| File: | build/source/clang/lib/CodeGen/CGOpenMPRuntime.cpp |
| Warning: | line 4337, column 56 Called C++ object pointer is null |
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| 1 | //===----- CGOpenMPRuntime.cpp - Interface to OpenMP Runtimes -------------===// | ||||||
| 2 | // | ||||||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||||
| 4 | // See https://llvm.org/LICENSE.txt for license information. | ||||||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||||
| 6 | // | ||||||
| 7 | //===----------------------------------------------------------------------===// | ||||||
| 8 | // | ||||||
| 9 | // This provides a class for OpenMP runtime code generation. | ||||||
| 10 | // | ||||||
| 11 | //===----------------------------------------------------------------------===// | ||||||
| 12 | |||||||
| 13 | #include "CGOpenMPRuntime.h" | ||||||
| 14 | #include "CGCXXABI.h" | ||||||
| 15 | #include "CGCleanup.h" | ||||||
| 16 | #include "CGRecordLayout.h" | ||||||
| 17 | #include "CodeGenFunction.h" | ||||||
| 18 | #include "TargetInfo.h" | ||||||
| 19 | #include "clang/AST/APValue.h" | ||||||
| 20 | #include "clang/AST/Attr.h" | ||||||
| 21 | #include "clang/AST/Decl.h" | ||||||
| 22 | #include "clang/AST/OpenMPClause.h" | ||||||
| 23 | #include "clang/AST/StmtOpenMP.h" | ||||||
| 24 | #include "clang/AST/StmtVisitor.h" | ||||||
| 25 | #include "clang/Basic/BitmaskEnum.h" | ||||||
| 26 | #include "clang/Basic/FileManager.h" | ||||||
| 27 | #include "clang/Basic/OpenMPKinds.h" | ||||||
| 28 | #include "clang/Basic/SourceManager.h" | ||||||
| 29 | #include "clang/CodeGen/ConstantInitBuilder.h" | ||||||
| 30 | #include "llvm/ADT/ArrayRef.h" | ||||||
| 31 | #include "llvm/ADT/SetOperations.h" | ||||||
| 32 | #include "llvm/ADT/SmallBitVector.h" | ||||||
| 33 | #include "llvm/ADT/StringExtras.h" | ||||||
| 34 | #include "llvm/Bitcode/BitcodeReader.h" | ||||||
| 35 | #include "llvm/IR/Constants.h" | ||||||
| 36 | #include "llvm/IR/DerivedTypes.h" | ||||||
| 37 | #include "llvm/IR/GlobalValue.h" | ||||||
| 38 | #include "llvm/IR/InstrTypes.h" | ||||||
| 39 | #include "llvm/IR/Value.h" | ||||||
| 40 | #include "llvm/Support/AtomicOrdering.h" | ||||||
| 41 | #include "llvm/Support/Format.h" | ||||||
| 42 | #include "llvm/Support/raw_ostream.h" | ||||||
| 43 | #include <cassert> | ||||||
| 44 | #include <numeric> | ||||||
| 45 | #include <optional> | ||||||
| 46 | |||||||
| 47 | using namespace clang; | ||||||
| 48 | using namespace CodeGen; | ||||||
| 49 | using namespace llvm::omp; | ||||||
| 50 | |||||||
| 51 | namespace { | ||||||
| 52 | /// Base class for handling code generation inside OpenMP regions. | ||||||
| 53 | class CGOpenMPRegionInfo : public CodeGenFunction::CGCapturedStmtInfo { | ||||||
| 54 | public: | ||||||
| 55 | /// Kinds of OpenMP regions used in codegen. | ||||||
| 56 | enum CGOpenMPRegionKind { | ||||||
| 57 | /// Region with outlined function for standalone 'parallel' | ||||||
| 58 | /// directive. | ||||||
| 59 | ParallelOutlinedRegion, | ||||||
| 60 | /// Region with outlined function for standalone 'task' directive. | ||||||
| 61 | TaskOutlinedRegion, | ||||||
| 62 | /// Region for constructs that do not require function outlining, | ||||||
| 63 | /// like 'for', 'sections', 'atomic' etc. directives. | ||||||
| 64 | InlinedRegion, | ||||||
| 65 | /// Region with outlined function for standalone 'target' directive. | ||||||
| 66 | TargetRegion, | ||||||
| 67 | }; | ||||||
| 68 | |||||||
| 69 | CGOpenMPRegionInfo(const CapturedStmt &CS, | ||||||
| 70 | const CGOpenMPRegionKind RegionKind, | ||||||
| 71 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | ||||||
| 72 | bool HasCancel) | ||||||
| 73 | : CGCapturedStmtInfo(CS, CR_OpenMP), RegionKind(RegionKind), | ||||||
| 74 | CodeGen(CodeGen), Kind(Kind), HasCancel(HasCancel) {} | ||||||
| 75 | |||||||
| 76 | CGOpenMPRegionInfo(const CGOpenMPRegionKind RegionKind, | ||||||
| 77 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | ||||||
| 78 | bool HasCancel) | ||||||
| 79 | : CGCapturedStmtInfo(CR_OpenMP), RegionKind(RegionKind), CodeGen(CodeGen), | ||||||
| 80 | Kind(Kind), HasCancel(HasCancel) {} | ||||||
| 81 | |||||||
| 82 | /// Get a variable or parameter for storing global thread id | ||||||
| 83 | /// inside OpenMP construct. | ||||||
| 84 | virtual const VarDecl *getThreadIDVariable() const = 0; | ||||||
| 85 | |||||||
| 86 | /// Emit the captured statement body. | ||||||
| 87 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override; | ||||||
| 88 | |||||||
| 89 | /// Get an LValue for the current ThreadID variable. | ||||||
| 90 | /// \return LValue for thread id variable. This LValue always has type int32*. | ||||||
| 91 | virtual LValue getThreadIDVariableLValue(CodeGenFunction &CGF); | ||||||
| 92 | |||||||
| 93 | virtual void emitUntiedSwitch(CodeGenFunction & /*CGF*/) {} | ||||||
| 94 | |||||||
| 95 | CGOpenMPRegionKind getRegionKind() const { return RegionKind; } | ||||||
| 96 | |||||||
| 97 | OpenMPDirectiveKind getDirectiveKind() const { return Kind; } | ||||||
| 98 | |||||||
| 99 | bool hasCancel() const { return HasCancel; } | ||||||
| 100 | |||||||
| 101 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||||
| 102 | return Info->getKind() == CR_OpenMP; | ||||||
| 103 | } | ||||||
| 104 | |||||||
| 105 | ~CGOpenMPRegionInfo() override = default; | ||||||
| 106 | |||||||
| 107 | protected: | ||||||
| 108 | CGOpenMPRegionKind RegionKind; | ||||||
| 109 | RegionCodeGenTy CodeGen; | ||||||
| 110 | OpenMPDirectiveKind Kind; | ||||||
| 111 | bool HasCancel; | ||||||
| 112 | }; | ||||||
| 113 | |||||||
| 114 | /// API for captured statement code generation in OpenMP constructs. | ||||||
| 115 | class CGOpenMPOutlinedRegionInfo final : public CGOpenMPRegionInfo { | ||||||
| 116 | public: | ||||||
| 117 | CGOpenMPOutlinedRegionInfo(const CapturedStmt &CS, const VarDecl *ThreadIDVar, | ||||||
| 118 | const RegionCodeGenTy &CodeGen, | ||||||
| 119 | OpenMPDirectiveKind Kind, bool HasCancel, | ||||||
| 120 | StringRef HelperName) | ||||||
| 121 | : CGOpenMPRegionInfo(CS, ParallelOutlinedRegion, CodeGen, Kind, | ||||||
| 122 | HasCancel), | ||||||
| 123 | ThreadIDVar(ThreadIDVar), HelperName(HelperName) { | ||||||
| 124 | assert(ThreadIDVar != nullptr && "No ThreadID in OpenMP region.")(static_cast <bool> (ThreadIDVar != nullptr && "No ThreadID in OpenMP region." ) ? void (0) : __assert_fail ("ThreadIDVar != nullptr && \"No ThreadID in OpenMP region.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 124, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 125 | } | ||||||
| 126 | |||||||
| 127 | /// Get a variable or parameter for storing global thread id | ||||||
| 128 | /// inside OpenMP construct. | ||||||
| 129 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | ||||||
| 130 | |||||||
| 131 | /// Get the name of the capture helper. | ||||||
| 132 | StringRef getHelperName() const override { return HelperName; } | ||||||
| 133 | |||||||
| 134 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||||
| 135 | return CGOpenMPRegionInfo::classof(Info) && | ||||||
| 136 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | ||||||
| 137 | ParallelOutlinedRegion; | ||||||
| 138 | } | ||||||
| 139 | |||||||
| 140 | private: | ||||||
| 141 | /// A variable or parameter storing global thread id for OpenMP | ||||||
| 142 | /// constructs. | ||||||
| 143 | const VarDecl *ThreadIDVar; | ||||||
| 144 | StringRef HelperName; | ||||||
| 145 | }; | ||||||
| 146 | |||||||
| 147 | /// API for captured statement code generation in OpenMP constructs. | ||||||
| 148 | class CGOpenMPTaskOutlinedRegionInfo final : public CGOpenMPRegionInfo { | ||||||
| 149 | public: | ||||||
| 150 | class UntiedTaskActionTy final : public PrePostActionTy { | ||||||
| 151 | bool Untied; | ||||||
| 152 | const VarDecl *PartIDVar; | ||||||
| 153 | const RegionCodeGenTy UntiedCodeGen; | ||||||
| 154 | llvm::SwitchInst *UntiedSwitch = nullptr; | ||||||
| 155 | |||||||
| 156 | public: | ||||||
| 157 | UntiedTaskActionTy(bool Tied, const VarDecl *PartIDVar, | ||||||
| 158 | const RegionCodeGenTy &UntiedCodeGen) | ||||||
| 159 | : Untied(!Tied), PartIDVar(PartIDVar), UntiedCodeGen(UntiedCodeGen) {} | ||||||
| 160 | void Enter(CodeGenFunction &CGF) override { | ||||||
| 161 | if (Untied) { | ||||||
| 162 | // Emit task switching point. | ||||||
| 163 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | ||||||
| 164 | CGF.GetAddrOfLocalVar(PartIDVar), | ||||||
| 165 | PartIDVar->getType()->castAs<PointerType>()); | ||||||
| 166 | llvm::Value *Res = | ||||||
| 167 | CGF.EmitLoadOfScalar(PartIdLVal, PartIDVar->getLocation()); | ||||||
| 168 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock(".untied.done."); | ||||||
| 169 | UntiedSwitch = CGF.Builder.CreateSwitch(Res, DoneBB); | ||||||
| 170 | CGF.EmitBlock(DoneBB); | ||||||
| 171 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | ||||||
| 172 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | ||||||
| 173 | UntiedSwitch->addCase(CGF.Builder.getInt32(0), | ||||||
| 174 | CGF.Builder.GetInsertBlock()); | ||||||
| 175 | emitUntiedSwitch(CGF); | ||||||
| 176 | } | ||||||
| 177 | } | ||||||
| 178 | void emitUntiedSwitch(CodeGenFunction &CGF) const { | ||||||
| 179 | if (Untied) { | ||||||
| 180 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | ||||||
| 181 | CGF.GetAddrOfLocalVar(PartIDVar), | ||||||
| 182 | PartIDVar->getType()->castAs<PointerType>()); | ||||||
| 183 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | ||||||
| 184 | PartIdLVal); | ||||||
| 185 | UntiedCodeGen(CGF); | ||||||
| 186 | CodeGenFunction::JumpDest CurPoint = | ||||||
| 187 | CGF.getJumpDestInCurrentScope(".untied.next."); | ||||||
| 188 | CGF.EmitBranch(CGF.ReturnBlock.getBlock()); | ||||||
| 189 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | ||||||
| 190 | UntiedSwitch->addCase(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | ||||||
| 191 | CGF.Builder.GetInsertBlock()); | ||||||
| 192 | CGF.EmitBranchThroughCleanup(CurPoint); | ||||||
| 193 | CGF.EmitBlock(CurPoint.getBlock()); | ||||||
| 194 | } | ||||||
| 195 | } | ||||||
| 196 | unsigned getNumberOfParts() const { return UntiedSwitch->getNumCases(); } | ||||||
| 197 | }; | ||||||
| 198 | CGOpenMPTaskOutlinedRegionInfo(const CapturedStmt &CS, | ||||||
| 199 | const VarDecl *ThreadIDVar, | ||||||
| 200 | const RegionCodeGenTy &CodeGen, | ||||||
| 201 | OpenMPDirectiveKind Kind, bool HasCancel, | ||||||
| 202 | const UntiedTaskActionTy &Action) | ||||||
| 203 | : CGOpenMPRegionInfo(CS, TaskOutlinedRegion, CodeGen, Kind, HasCancel), | ||||||
| 204 | ThreadIDVar(ThreadIDVar), Action(Action) { | ||||||
| 205 | assert(ThreadIDVar != nullptr && "No ThreadID in OpenMP region.")(static_cast <bool> (ThreadIDVar != nullptr && "No ThreadID in OpenMP region." ) ? void (0) : __assert_fail ("ThreadIDVar != nullptr && \"No ThreadID in OpenMP region.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 205, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 206 | } | ||||||
| 207 | |||||||
| 208 | /// Get a variable or parameter for storing global thread id | ||||||
| 209 | /// inside OpenMP construct. | ||||||
| 210 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | ||||||
| 211 | |||||||
| 212 | /// Get an LValue for the current ThreadID variable. | ||||||
| 213 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override; | ||||||
| 214 | |||||||
| 215 | /// Get the name of the capture helper. | ||||||
| 216 | StringRef getHelperName() const override { return ".omp_outlined."; } | ||||||
| 217 | |||||||
| 218 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | ||||||
| 219 | Action.emitUntiedSwitch(CGF); | ||||||
| 220 | } | ||||||
| 221 | |||||||
| 222 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||||
| 223 | return CGOpenMPRegionInfo::classof(Info) && | ||||||
| 224 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | ||||||
| 225 | TaskOutlinedRegion; | ||||||
| 226 | } | ||||||
| 227 | |||||||
| 228 | private: | ||||||
| 229 | /// A variable or parameter storing global thread id for OpenMP | ||||||
| 230 | /// constructs. | ||||||
| 231 | const VarDecl *ThreadIDVar; | ||||||
| 232 | /// Action for emitting code for untied tasks. | ||||||
| 233 | const UntiedTaskActionTy &Action; | ||||||
| 234 | }; | ||||||
| 235 | |||||||
| 236 | /// API for inlined captured statement code generation in OpenMP | ||||||
| 237 | /// constructs. | ||||||
| 238 | class CGOpenMPInlinedRegionInfo : public CGOpenMPRegionInfo { | ||||||
| 239 | public: | ||||||
| 240 | CGOpenMPInlinedRegionInfo(CodeGenFunction::CGCapturedStmtInfo *OldCSI, | ||||||
| 241 | const RegionCodeGenTy &CodeGen, | ||||||
| 242 | OpenMPDirectiveKind Kind, bool HasCancel) | ||||||
| 243 | : CGOpenMPRegionInfo(InlinedRegion, CodeGen, Kind, HasCancel), | ||||||
| 244 | OldCSI(OldCSI), | ||||||
| 245 | OuterRegionInfo(dyn_cast_or_null<CGOpenMPRegionInfo>(OldCSI)) {} | ||||||
| 246 | |||||||
| 247 | // Retrieve the value of the context parameter. | ||||||
| 248 | llvm::Value *getContextValue() const override { | ||||||
| 249 | if (OuterRegionInfo) | ||||||
| 250 | return OuterRegionInfo->getContextValue(); | ||||||
| 251 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 251); | ||||||
| 252 | } | ||||||
| 253 | |||||||
| 254 | void setContextValue(llvm::Value *V) override { | ||||||
| 255 | if (OuterRegionInfo) { | ||||||
| 256 | OuterRegionInfo->setContextValue(V); | ||||||
| 257 | return; | ||||||
| 258 | } | ||||||
| 259 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 259); | ||||||
| 260 | } | ||||||
| 261 | |||||||
| 262 | /// Lookup the captured field decl for a variable. | ||||||
| 263 | const FieldDecl *lookup(const VarDecl *VD) const override { | ||||||
| 264 | if (OuterRegionInfo) | ||||||
| 265 | return OuterRegionInfo->lookup(VD); | ||||||
| 266 | // If there is no outer outlined region,no need to lookup in a list of | ||||||
| 267 | // captured variables, we can use the original one. | ||||||
| 268 | return nullptr; | ||||||
| 269 | } | ||||||
| 270 | |||||||
| 271 | FieldDecl *getThisFieldDecl() const override { | ||||||
| 272 | if (OuterRegionInfo) | ||||||
| 273 | return OuterRegionInfo->getThisFieldDecl(); | ||||||
| 274 | return nullptr; | ||||||
| 275 | } | ||||||
| 276 | |||||||
| 277 | /// Get a variable or parameter for storing global thread id | ||||||
| 278 | /// inside OpenMP construct. | ||||||
| 279 | const VarDecl *getThreadIDVariable() const override { | ||||||
| 280 | if (OuterRegionInfo) | ||||||
| 281 | return OuterRegionInfo->getThreadIDVariable(); | ||||||
| 282 | return nullptr; | ||||||
| 283 | } | ||||||
| 284 | |||||||
| 285 | /// Get an LValue for the current ThreadID variable. | ||||||
| 286 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override { | ||||||
| 287 | if (OuterRegionInfo) | ||||||
| 288 | return OuterRegionInfo->getThreadIDVariableLValue(CGF); | ||||||
| 289 | llvm_unreachable("No LValue for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No LValue for inlined OpenMP construct" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 289); | ||||||
| 290 | } | ||||||
| 291 | |||||||
| 292 | /// Get the name of the capture helper. | ||||||
| 293 | StringRef getHelperName() const override { | ||||||
| 294 | if (auto *OuterRegionInfo = getOldCSI()) | ||||||
| 295 | return OuterRegionInfo->getHelperName(); | ||||||
| 296 | llvm_unreachable("No helper name for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No helper name for inlined OpenMP construct" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 296); | ||||||
| 297 | } | ||||||
| 298 | |||||||
| 299 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | ||||||
| 300 | if (OuterRegionInfo) | ||||||
| 301 | OuterRegionInfo->emitUntiedSwitch(CGF); | ||||||
| 302 | } | ||||||
| 303 | |||||||
| 304 | CodeGenFunction::CGCapturedStmtInfo *getOldCSI() const { return OldCSI; } | ||||||
| 305 | |||||||
| 306 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||||
| 307 | return CGOpenMPRegionInfo::classof(Info) && | ||||||
| 308 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == InlinedRegion; | ||||||
| 309 | } | ||||||
| 310 | |||||||
| 311 | ~CGOpenMPInlinedRegionInfo() override = default; | ||||||
| 312 | |||||||
| 313 | private: | ||||||
| 314 | /// CodeGen info about outer OpenMP region. | ||||||
| 315 | CodeGenFunction::CGCapturedStmtInfo *OldCSI; | ||||||
| 316 | CGOpenMPRegionInfo *OuterRegionInfo; | ||||||
| 317 | }; | ||||||
| 318 | |||||||
| 319 | /// API for captured statement code generation in OpenMP target | ||||||
| 320 | /// constructs. For this captures, implicit parameters are used instead of the | ||||||
| 321 | /// captured fields. The name of the target region has to be unique in a given | ||||||
| 322 | /// application so it is provided by the client, because only the client has | ||||||
| 323 | /// the information to generate that. | ||||||
| 324 | class CGOpenMPTargetRegionInfo final : public CGOpenMPRegionInfo { | ||||||
| 325 | public: | ||||||
| 326 | CGOpenMPTargetRegionInfo(const CapturedStmt &CS, | ||||||
| 327 | const RegionCodeGenTy &CodeGen, StringRef HelperName) | ||||||
| 328 | : CGOpenMPRegionInfo(CS, TargetRegion, CodeGen, OMPD_target, | ||||||
| 329 | /*HasCancel=*/false), | ||||||
| 330 | HelperName(HelperName) {} | ||||||
| 331 | |||||||
| 332 | /// This is unused for target regions because each starts executing | ||||||
| 333 | /// with a single thread. | ||||||
| 334 | const VarDecl *getThreadIDVariable() const override { return nullptr; } | ||||||
| 335 | |||||||
| 336 | /// Get the name of the capture helper. | ||||||
| 337 | StringRef getHelperName() const override { return HelperName; } | ||||||
| 338 | |||||||
| 339 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||||
| 340 | return CGOpenMPRegionInfo::classof(Info) && | ||||||
| 341 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == TargetRegion; | ||||||
| 342 | } | ||||||
| 343 | |||||||
| 344 | private: | ||||||
| 345 | StringRef HelperName; | ||||||
| 346 | }; | ||||||
| 347 | |||||||
| 348 | static void EmptyCodeGen(CodeGenFunction &, PrePostActionTy &) { | ||||||
| 349 | llvm_unreachable("No codegen for expressions")::llvm::llvm_unreachable_internal("No codegen for expressions" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 349); | ||||||
| 350 | } | ||||||
| 351 | /// API for generation of expressions captured in a innermost OpenMP | ||||||
| 352 | /// region. | ||||||
| 353 | class CGOpenMPInnerExprInfo final : public CGOpenMPInlinedRegionInfo { | ||||||
| 354 | public: | ||||||
| 355 | CGOpenMPInnerExprInfo(CodeGenFunction &CGF, const CapturedStmt &CS) | ||||||
| 356 | : CGOpenMPInlinedRegionInfo(CGF.CapturedStmtInfo, EmptyCodeGen, | ||||||
| 357 | OMPD_unknown, | ||||||
| 358 | /*HasCancel=*/false), | ||||||
| 359 | PrivScope(CGF) { | ||||||
| 360 | // Make sure the globals captured in the provided statement are local by | ||||||
| 361 | // using the privatization logic. We assume the same variable is not | ||||||
| 362 | // captured more than once. | ||||||
| 363 | for (const auto &C : CS.captures()) { | ||||||
| 364 | if (!C.capturesVariable() && !C.capturesVariableByCopy()) | ||||||
| 365 | continue; | ||||||
| 366 | |||||||
| 367 | const VarDecl *VD = C.getCapturedVar(); | ||||||
| 368 | if (VD->isLocalVarDeclOrParm()) | ||||||
| 369 | continue; | ||||||
| 370 | |||||||
| 371 | DeclRefExpr DRE(CGF.getContext(), const_cast<VarDecl *>(VD), | ||||||
| 372 | /*RefersToEnclosingVariableOrCapture=*/false, | ||||||
| 373 | VD->getType().getNonReferenceType(), VK_LValue, | ||||||
| 374 | C.getLocation()); | ||||||
| 375 | PrivScope.addPrivate(VD, CGF.EmitLValue(&DRE).getAddress(CGF)); | ||||||
| 376 | } | ||||||
| 377 | (void)PrivScope.Privatize(); | ||||||
| 378 | } | ||||||
| 379 | |||||||
| 380 | /// Lookup the captured field decl for a variable. | ||||||
| 381 | const FieldDecl *lookup(const VarDecl *VD) const override { | ||||||
| 382 | if (const FieldDecl *FD = CGOpenMPInlinedRegionInfo::lookup(VD)) | ||||||
| 383 | return FD; | ||||||
| 384 | return nullptr; | ||||||
| 385 | } | ||||||
| 386 | |||||||
| 387 | /// Emit the captured statement body. | ||||||
| 388 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override { | ||||||
| 389 | llvm_unreachable("No body for expressions")::llvm::llvm_unreachable_internal("No body for expressions", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 389); | ||||||
| 390 | } | ||||||
| 391 | |||||||
| 392 | /// Get a variable or parameter for storing global thread id | ||||||
| 393 | /// inside OpenMP construct. | ||||||
| 394 | const VarDecl *getThreadIDVariable() const override { | ||||||
| 395 | llvm_unreachable("No thread id for expressions")::llvm::llvm_unreachable_internal("No thread id for expressions" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 395); | ||||||
| 396 | } | ||||||
| 397 | |||||||
| 398 | /// Get the name of the capture helper. | ||||||
| 399 | StringRef getHelperName() const override { | ||||||
| 400 | llvm_unreachable("No helper name for expressions")::llvm::llvm_unreachable_internal("No helper name for expressions" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 400); | ||||||
| 401 | } | ||||||
| 402 | |||||||
| 403 | static bool classof(const CGCapturedStmtInfo *Info) { return false; } | ||||||
| 404 | |||||||
| 405 | private: | ||||||
| 406 | /// Private scope to capture global variables. | ||||||
| 407 | CodeGenFunction::OMPPrivateScope PrivScope; | ||||||
| 408 | }; | ||||||
| 409 | |||||||
| 410 | /// RAII for emitting code of OpenMP constructs. | ||||||
| 411 | class InlinedOpenMPRegionRAII { | ||||||
| 412 | CodeGenFunction &CGF; | ||||||
| 413 | llvm::DenseMap<const ValueDecl *, FieldDecl *> LambdaCaptureFields; | ||||||
| 414 | FieldDecl *LambdaThisCaptureField = nullptr; | ||||||
| 415 | const CodeGen::CGBlockInfo *BlockInfo = nullptr; | ||||||
| 416 | bool NoInheritance = false; | ||||||
| 417 | |||||||
| 418 | public: | ||||||
| 419 | /// Constructs region for combined constructs. | ||||||
| 420 | /// \param CodeGen Code generation sequence for combined directives. Includes | ||||||
| 421 | /// a list of functions used for code generation of implicitly inlined | ||||||
| 422 | /// regions. | ||||||
| 423 | InlinedOpenMPRegionRAII(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen, | ||||||
| 424 | OpenMPDirectiveKind Kind, bool HasCancel, | ||||||
| 425 | bool NoInheritance = true) | ||||||
| 426 | : CGF(CGF), NoInheritance(NoInheritance) { | ||||||
| 427 | // Start emission for the construct. | ||||||
| 428 | CGF.CapturedStmtInfo = new CGOpenMPInlinedRegionInfo( | ||||||
| 429 | CGF.CapturedStmtInfo, CodeGen, Kind, HasCancel); | ||||||
| 430 | if (NoInheritance) { | ||||||
| 431 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | ||||||
| 432 | LambdaThisCaptureField = CGF.LambdaThisCaptureField; | ||||||
| 433 | CGF.LambdaThisCaptureField = nullptr; | ||||||
| 434 | BlockInfo = CGF.BlockInfo; | ||||||
| 435 | CGF.BlockInfo = nullptr; | ||||||
| 436 | } | ||||||
| 437 | } | ||||||
| 438 | |||||||
| 439 | ~InlinedOpenMPRegionRAII() { | ||||||
| 440 | // Restore original CapturedStmtInfo only if we're done with code emission. | ||||||
| 441 | auto *OldCSI = | ||||||
| 442 | cast<CGOpenMPInlinedRegionInfo>(CGF.CapturedStmtInfo)->getOldCSI(); | ||||||
| 443 | delete CGF.CapturedStmtInfo; | ||||||
| 444 | CGF.CapturedStmtInfo = OldCSI; | ||||||
| 445 | if (NoInheritance) { | ||||||
| 446 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | ||||||
| 447 | CGF.LambdaThisCaptureField = LambdaThisCaptureField; | ||||||
| 448 | CGF.BlockInfo = BlockInfo; | ||||||
| 449 | } | ||||||
| 450 | } | ||||||
| 451 | }; | ||||||
| 452 | |||||||
| 453 | /// Values for bit flags used in the ident_t to describe the fields. | ||||||
| 454 | /// All enumeric elements are named and described in accordance with the code | ||||||
| 455 | /// from https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h | ||||||
| 456 | enum OpenMPLocationFlags : unsigned { | ||||||
| 457 | /// Use trampoline for internal microtask. | ||||||
| 458 | OMP_IDENT_IMD = 0x01, | ||||||
| 459 | /// Use c-style ident structure. | ||||||
| 460 | OMP_IDENT_KMPC = 0x02, | ||||||
| 461 | /// Atomic reduction option for kmpc_reduce. | ||||||
| 462 | OMP_ATOMIC_REDUCE = 0x10, | ||||||
| 463 | /// Explicit 'barrier' directive. | ||||||
| 464 | OMP_IDENT_BARRIER_EXPL = 0x20, | ||||||
| 465 | /// Implicit barrier in code. | ||||||
| 466 | OMP_IDENT_BARRIER_IMPL = 0x40, | ||||||
| 467 | /// Implicit barrier in 'for' directive. | ||||||
| 468 | OMP_IDENT_BARRIER_IMPL_FOR = 0x40, | ||||||
| 469 | /// Implicit barrier in 'sections' directive. | ||||||
| 470 | OMP_IDENT_BARRIER_IMPL_SECTIONS = 0xC0, | ||||||
| 471 | /// Implicit barrier in 'single' directive. | ||||||
| 472 | OMP_IDENT_BARRIER_IMPL_SINGLE = 0x140, | ||||||
| 473 | /// Call of __kmp_for_static_init for static loop. | ||||||
| 474 | OMP_IDENT_WORK_LOOP = 0x200, | ||||||
| 475 | /// Call of __kmp_for_static_init for sections. | ||||||
| 476 | OMP_IDENT_WORK_SECTIONS = 0x400, | ||||||
| 477 | /// Call of __kmp_for_static_init for distribute. | ||||||
| 478 | OMP_IDENT_WORK_DISTRIBUTE = 0x800, | ||||||
| 479 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_IDENT_WORK_DISTRIBUTE)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_IDENT_WORK_DISTRIBUTE | ||||||
| 480 | }; | ||||||
| 481 | |||||||
| 482 | namespace { | ||||||
| 483 | LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE()using ::llvm::BitmaskEnumDetail::operator~; using ::llvm::BitmaskEnumDetail ::operator|; using ::llvm::BitmaskEnumDetail::operator&; using ::llvm::BitmaskEnumDetail::operator^; using ::llvm::BitmaskEnumDetail ::operator|=; using ::llvm::BitmaskEnumDetail::operator&= ; using ::llvm::BitmaskEnumDetail::operator^=; | ||||||
| 484 | /// Values for bit flags for marking which requires clauses have been used. | ||||||
| 485 | enum OpenMPOffloadingRequiresDirFlags : int64_t { | ||||||
| 486 | /// flag undefined. | ||||||
| 487 | OMP_REQ_UNDEFINED = 0x000, | ||||||
| 488 | /// no requires clause present. | ||||||
| 489 | OMP_REQ_NONE = 0x001, | ||||||
| 490 | /// reverse_offload clause. | ||||||
| 491 | OMP_REQ_REVERSE_OFFLOAD = 0x002, | ||||||
| 492 | /// unified_address clause. | ||||||
| 493 | OMP_REQ_UNIFIED_ADDRESS = 0x004, | ||||||
| 494 | /// unified_shared_memory clause. | ||||||
| 495 | OMP_REQ_UNIFIED_SHARED_MEMORY = 0x008, | ||||||
| 496 | /// dynamic_allocators clause. | ||||||
| 497 | OMP_REQ_DYNAMIC_ALLOCATORS = 0x010, | ||||||
| 498 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_REQ_DYNAMIC_ALLOCATORS)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_REQ_DYNAMIC_ALLOCATORS | ||||||
| 499 | }; | ||||||
| 500 | |||||||
| 501 | } // anonymous namespace | ||||||
| 502 | |||||||
| 503 | /// Describes ident structure that describes a source location. | ||||||
| 504 | /// All descriptions are taken from | ||||||
| 505 | /// https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h | ||||||
| 506 | /// Original structure: | ||||||
| 507 | /// typedef struct ident { | ||||||
| 508 | /// kmp_int32 reserved_1; /**< might be used in Fortran; | ||||||
| 509 | /// see above */ | ||||||
| 510 | /// kmp_int32 flags; /**< also f.flags; KMP_IDENT_xxx flags; | ||||||
| 511 | /// KMP_IDENT_KMPC identifies this union | ||||||
| 512 | /// member */ | ||||||
| 513 | /// kmp_int32 reserved_2; /**< not really used in Fortran any more; | ||||||
| 514 | /// see above */ | ||||||
| 515 | ///#if USE_ITT_BUILD | ||||||
| 516 | /// /* but currently used for storing | ||||||
| 517 | /// region-specific ITT */ | ||||||
| 518 | /// /* contextual information. */ | ||||||
| 519 | ///#endif /* USE_ITT_BUILD */ | ||||||
| 520 | /// kmp_int32 reserved_3; /**< source[4] in Fortran, do not use for | ||||||
| 521 | /// C++ */ | ||||||
| 522 | /// char const *psource; /**< String describing the source location. | ||||||
| 523 | /// The string is composed of semi-colon separated | ||||||
| 524 | // fields which describe the source file, | ||||||
| 525 | /// the function and a pair of line numbers that | ||||||
| 526 | /// delimit the construct. | ||||||
| 527 | /// */ | ||||||
| 528 | /// } ident_t; | ||||||
| 529 | enum IdentFieldIndex { | ||||||
| 530 | /// might be used in Fortran | ||||||
| 531 | IdentField_Reserved_1, | ||||||
| 532 | /// OMP_IDENT_xxx flags; OMP_IDENT_KMPC identifies this union member. | ||||||
| 533 | IdentField_Flags, | ||||||
| 534 | /// Not really used in Fortran any more | ||||||
| 535 | IdentField_Reserved_2, | ||||||
| 536 | /// Source[4] in Fortran, do not use for C++ | ||||||
| 537 | IdentField_Reserved_3, | ||||||
| 538 | /// String describing the source location. The string is composed of | ||||||
| 539 | /// semi-colon separated fields which describe the source file, the function | ||||||
| 540 | /// and a pair of line numbers that delimit the construct. | ||||||
| 541 | IdentField_PSource | ||||||
| 542 | }; | ||||||
| 543 | |||||||
| 544 | /// Schedule types for 'omp for' loops (these enumerators are taken from | ||||||
| 545 | /// the enum sched_type in kmp.h). | ||||||
| 546 | enum OpenMPSchedType { | ||||||
| 547 | /// Lower bound for default (unordered) versions. | ||||||
| 548 | OMP_sch_lower = 32, | ||||||
| 549 | OMP_sch_static_chunked = 33, | ||||||
| 550 | OMP_sch_static = 34, | ||||||
| 551 | OMP_sch_dynamic_chunked = 35, | ||||||
| 552 | OMP_sch_guided_chunked = 36, | ||||||
| 553 | OMP_sch_runtime = 37, | ||||||
| 554 | OMP_sch_auto = 38, | ||||||
| 555 | /// static with chunk adjustment (e.g., simd) | ||||||
| 556 | OMP_sch_static_balanced_chunked = 45, | ||||||
| 557 | /// Lower bound for 'ordered' versions. | ||||||
| 558 | OMP_ord_lower = 64, | ||||||
| 559 | OMP_ord_static_chunked = 65, | ||||||
| 560 | OMP_ord_static = 66, | ||||||
| 561 | OMP_ord_dynamic_chunked = 67, | ||||||
| 562 | OMP_ord_guided_chunked = 68, | ||||||
| 563 | OMP_ord_runtime = 69, | ||||||
| 564 | OMP_ord_auto = 70, | ||||||
| 565 | OMP_sch_default = OMP_sch_static, | ||||||
| 566 | /// dist_schedule types | ||||||
| 567 | OMP_dist_sch_static_chunked = 91, | ||||||
| 568 | OMP_dist_sch_static = 92, | ||||||
| 569 | /// Support for OpenMP 4.5 monotonic and nonmonotonic schedule modifiers. | ||||||
| 570 | /// Set if the monotonic schedule modifier was present. | ||||||
| 571 | OMP_sch_modifier_monotonic = (1 << 29), | ||||||
| 572 | /// Set if the nonmonotonic schedule modifier was present. | ||||||
| 573 | OMP_sch_modifier_nonmonotonic = (1 << 30), | ||||||
| 574 | }; | ||||||
| 575 | |||||||
| 576 | /// A basic class for pre|post-action for advanced codegen sequence for OpenMP | ||||||
| 577 | /// region. | ||||||
| 578 | class CleanupTy final : public EHScopeStack::Cleanup { | ||||||
| 579 | PrePostActionTy *Action; | ||||||
| 580 | |||||||
| 581 | public: | ||||||
| 582 | explicit CleanupTy(PrePostActionTy *Action) : Action(Action) {} | ||||||
| 583 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||||
| 584 | if (!CGF.HaveInsertPoint()) | ||||||
| 585 | return; | ||||||
| 586 | Action->Exit(CGF); | ||||||
| 587 | } | ||||||
| 588 | }; | ||||||
| 589 | |||||||
| 590 | } // anonymous namespace | ||||||
| 591 | |||||||
| 592 | void RegionCodeGenTy::operator()(CodeGenFunction &CGF) const { | ||||||
| 593 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||||
| 594 | if (PrePostAction) { | ||||||
| 595 | CGF.EHStack.pushCleanup<CleanupTy>(NormalAndEHCleanup, PrePostAction); | ||||||
| 596 | Callback(CodeGen, CGF, *PrePostAction); | ||||||
| 597 | } else { | ||||||
| 598 | PrePostActionTy Action; | ||||||
| 599 | Callback(CodeGen, CGF, Action); | ||||||
| 600 | } | ||||||
| 601 | } | ||||||
| 602 | |||||||
| 603 | /// Check if the combiner is a call to UDR combiner and if it is so return the | ||||||
| 604 | /// UDR decl used for reduction. | ||||||
| 605 | static const OMPDeclareReductionDecl * | ||||||
| 606 | getReductionInit(const Expr *ReductionOp) { | ||||||
| 607 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | ||||||
| 608 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | ||||||
| 609 | if (const auto *DRE = | ||||||
| 610 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | ||||||
| 611 | if (const auto *DRD = dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) | ||||||
| 612 | return DRD; | ||||||
| 613 | return nullptr; | ||||||
| 614 | } | ||||||
| 615 | |||||||
| 616 | static void emitInitWithReductionInitializer(CodeGenFunction &CGF, | ||||||
| 617 | const OMPDeclareReductionDecl *DRD, | ||||||
| 618 | const Expr *InitOp, | ||||||
| 619 | Address Private, Address Original, | ||||||
| 620 | QualType Ty) { | ||||||
| 621 | if (DRD->getInitializer()) { | ||||||
| 622 | std::pair<llvm::Function *, llvm::Function *> Reduction = | ||||||
| 623 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | ||||||
| 624 | const auto *CE = cast<CallExpr>(InitOp); | ||||||
| 625 | const auto *OVE = cast<OpaqueValueExpr>(CE->getCallee()); | ||||||
| 626 | const Expr *LHS = CE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||||
| 627 | const Expr *RHS = CE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | ||||||
| 628 | const auto *LHSDRE = | ||||||
| 629 | cast<DeclRefExpr>(cast<UnaryOperator>(LHS)->getSubExpr()); | ||||||
| 630 | const auto *RHSDRE = | ||||||
| 631 | cast<DeclRefExpr>(cast<UnaryOperator>(RHS)->getSubExpr()); | ||||||
| 632 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||||
| 633 | PrivateScope.addPrivate(cast<VarDecl>(LHSDRE->getDecl()), Private); | ||||||
| 634 | PrivateScope.addPrivate(cast<VarDecl>(RHSDRE->getDecl()), Original); | ||||||
| 635 | (void)PrivateScope.Privatize(); | ||||||
| 636 | RValue Func = RValue::get(Reduction.second); | ||||||
| 637 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | ||||||
| 638 | CGF.EmitIgnoredExpr(InitOp); | ||||||
| 639 | } else { | ||||||
| 640 | llvm::Constant *Init = CGF.CGM.EmitNullConstant(Ty); | ||||||
| 641 | std::string Name = CGF.CGM.getOpenMPRuntime().getName({"init"}); | ||||||
| 642 | auto *GV = new llvm::GlobalVariable( | ||||||
| 643 | CGF.CGM.getModule(), Init->getType(), /*isConstant=*/true, | ||||||
| 644 | llvm::GlobalValue::PrivateLinkage, Init, Name); | ||||||
| 645 | LValue LV = CGF.MakeNaturalAlignAddrLValue(GV, Ty); | ||||||
| 646 | RValue InitRVal; | ||||||
| 647 | switch (CGF.getEvaluationKind(Ty)) { | ||||||
| 648 | case TEK_Scalar: | ||||||
| 649 | InitRVal = CGF.EmitLoadOfLValue(LV, DRD->getLocation()); | ||||||
| 650 | break; | ||||||
| 651 | case TEK_Complex: | ||||||
| 652 | InitRVal = | ||||||
| 653 | RValue::getComplex(CGF.EmitLoadOfComplex(LV, DRD->getLocation())); | ||||||
| 654 | break; | ||||||
| 655 | case TEK_Aggregate: { | ||||||
| 656 | OpaqueValueExpr OVE(DRD->getLocation(), Ty, VK_LValue); | ||||||
| 657 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, LV); | ||||||
| 658 | CGF.EmitAnyExprToMem(&OVE, Private, Ty.getQualifiers(), | ||||||
| 659 | /*IsInitializer=*/false); | ||||||
| 660 | return; | ||||||
| 661 | } | ||||||
| 662 | } | ||||||
| 663 | OpaqueValueExpr OVE(DRD->getLocation(), Ty, VK_PRValue); | ||||||
| 664 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, InitRVal); | ||||||
| 665 | CGF.EmitAnyExprToMem(&OVE, Private, Ty.getQualifiers(), | ||||||
| 666 | /*IsInitializer=*/false); | ||||||
| 667 | } | ||||||
| 668 | } | ||||||
| 669 | |||||||
| 670 | /// Emit initialization of arrays of complex types. | ||||||
| 671 | /// \param DestAddr Address of the array. | ||||||
| 672 | /// \param Type Type of array. | ||||||
| 673 | /// \param Init Initial expression of array. | ||||||
| 674 | /// \param SrcAddr Address of the original array. | ||||||
| 675 | static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr, | ||||||
| 676 | QualType Type, bool EmitDeclareReductionInit, | ||||||
| 677 | const Expr *Init, | ||||||
| 678 | const OMPDeclareReductionDecl *DRD, | ||||||
| 679 | Address SrcAddr = Address::invalid()) { | ||||||
| 680 | // Perform element-by-element initialization. | ||||||
| 681 | QualType ElementTy; | ||||||
| 682 | |||||||
| 683 | // Drill down to the base element type on both arrays. | ||||||
| 684 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | ||||||
| 685 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, DestAddr); | ||||||
| 686 | if (DRD) | ||||||
| 687 | SrcAddr = | ||||||
| 688 | CGF.Builder.CreateElementBitCast(SrcAddr, DestAddr.getElementType()); | ||||||
| 689 | |||||||
| 690 | llvm::Value *SrcBegin = nullptr; | ||||||
| 691 | if (DRD) | ||||||
| 692 | SrcBegin = SrcAddr.getPointer(); | ||||||
| 693 | llvm::Value *DestBegin = DestAddr.getPointer(); | ||||||
| 694 | // Cast from pointer to array type to pointer to single element. | ||||||
| 695 | llvm::Value *DestEnd = | ||||||
| 696 | CGF.Builder.CreateGEP(DestAddr.getElementType(), DestBegin, NumElements); | ||||||
| 697 | // The basic structure here is a while-do loop. | ||||||
| 698 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arrayinit.body"); | ||||||
| 699 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arrayinit.done"); | ||||||
| 700 | llvm::Value *IsEmpty = | ||||||
| 701 | CGF.Builder.CreateICmpEQ(DestBegin, DestEnd, "omp.arrayinit.isempty"); | ||||||
| 702 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 703 | |||||||
| 704 | // Enter the loop body, making that address the current address. | ||||||
| 705 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||||
| 706 | CGF.EmitBlock(BodyBB); | ||||||
| 707 | |||||||
| 708 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | ||||||
| 709 | |||||||
| 710 | llvm::PHINode *SrcElementPHI = nullptr; | ||||||
| 711 | Address SrcElementCurrent = Address::invalid(); | ||||||
| 712 | if (DRD) { | ||||||
| 713 | SrcElementPHI = CGF.Builder.CreatePHI(SrcBegin->getType(), 2, | ||||||
| 714 | "omp.arraycpy.srcElementPast"); | ||||||
| 715 | SrcElementPHI->addIncoming(SrcBegin, EntryBB); | ||||||
| 716 | SrcElementCurrent = | ||||||
| 717 | Address(SrcElementPHI, SrcAddr.getElementType(), | ||||||
| 718 | SrcAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 719 | } | ||||||
| 720 | llvm::PHINode *DestElementPHI = CGF.Builder.CreatePHI( | ||||||
| 721 | DestBegin->getType(), 2, "omp.arraycpy.destElementPast"); | ||||||
| 722 | DestElementPHI->addIncoming(DestBegin, EntryBB); | ||||||
| 723 | Address DestElementCurrent = | ||||||
| 724 | Address(DestElementPHI, DestAddr.getElementType(), | ||||||
| 725 | DestAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 726 | |||||||
| 727 | // Emit copy. | ||||||
| 728 | { | ||||||
| 729 | CodeGenFunction::RunCleanupsScope InitScope(CGF); | ||||||
| 730 | if (EmitDeclareReductionInit) { | ||||||
| 731 | emitInitWithReductionInitializer(CGF, DRD, Init, DestElementCurrent, | ||||||
| 732 | SrcElementCurrent, ElementTy); | ||||||
| 733 | } else | ||||||
| 734 | CGF.EmitAnyExprToMem(Init, DestElementCurrent, ElementTy.getQualifiers(), | ||||||
| 735 | /*IsInitializer=*/false); | ||||||
| 736 | } | ||||||
| 737 | |||||||
| 738 | if (DRD) { | ||||||
| 739 | // Shift the address forward by one element. | ||||||
| 740 | llvm::Value *SrcElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 741 | SrcAddr.getElementType(), SrcElementPHI, /*Idx0=*/1, | ||||||
| 742 | "omp.arraycpy.dest.element"); | ||||||
| 743 | SrcElementPHI->addIncoming(SrcElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 744 | } | ||||||
| 745 | |||||||
| 746 | // Shift the address forward by one element. | ||||||
| 747 | llvm::Value *DestElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 748 | DestAddr.getElementType(), DestElementPHI, /*Idx0=*/1, | ||||||
| 749 | "omp.arraycpy.dest.element"); | ||||||
| 750 | // Check whether we've reached the end. | ||||||
| 751 | llvm::Value *Done = | ||||||
| 752 | CGF.Builder.CreateICmpEQ(DestElementNext, DestEnd, "omp.arraycpy.done"); | ||||||
| 753 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | ||||||
| 754 | DestElementPHI->addIncoming(DestElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 755 | |||||||
| 756 | // Done. | ||||||
| 757 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 758 | } | ||||||
| 759 | |||||||
| 760 | LValue ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, const Expr *E) { | ||||||
| 761 | return CGF.EmitOMPSharedLValue(E); | ||||||
| 762 | } | ||||||
| 763 | |||||||
| 764 | LValue ReductionCodeGen::emitSharedLValueUB(CodeGenFunction &CGF, | ||||||
| 765 | const Expr *E) { | ||||||
| 766 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(E)) | ||||||
| 767 | return CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false); | ||||||
| 768 | return LValue(); | ||||||
| 769 | } | ||||||
| 770 | |||||||
| 771 | void ReductionCodeGen::emitAggregateInitialization( | ||||||
| 772 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, Address SharedAddr, | ||||||
| 773 | const OMPDeclareReductionDecl *DRD) { | ||||||
| 774 | // Emit VarDecl with copy init for arrays. | ||||||
| 775 | // Get the address of the original variable captured in current | ||||||
| 776 | // captured region. | ||||||
| 777 | const auto *PrivateVD = | ||||||
| 778 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||||
| 779 | bool EmitDeclareReductionInit = | ||||||
| 780 | DRD && (DRD->getInitializer() || !PrivateVD->hasInit()); | ||||||
| 781 | EmitOMPAggregateInit(CGF, PrivateAddr, PrivateVD->getType(), | ||||||
| 782 | EmitDeclareReductionInit, | ||||||
| 783 | EmitDeclareReductionInit ? ClausesData[N].ReductionOp | ||||||
| 784 | : PrivateVD->getInit(), | ||||||
| 785 | DRD, SharedAddr); | ||||||
| 786 | } | ||||||
| 787 | |||||||
| 788 | ReductionCodeGen::ReductionCodeGen(ArrayRef<const Expr *> Shareds, | ||||||
| 789 | ArrayRef<const Expr *> Origs, | ||||||
| 790 | ArrayRef<const Expr *> Privates, | ||||||
| 791 | ArrayRef<const Expr *> ReductionOps) { | ||||||
| 792 | ClausesData.reserve(Shareds.size()); | ||||||
| 793 | SharedAddresses.reserve(Shareds.size()); | ||||||
| 794 | Sizes.reserve(Shareds.size()); | ||||||
| 795 | BaseDecls.reserve(Shareds.size()); | ||||||
| 796 | const auto *IOrig = Origs.begin(); | ||||||
| 797 | const auto *IPriv = Privates.begin(); | ||||||
| 798 | const auto *IRed = ReductionOps.begin(); | ||||||
| 799 | for (const Expr *Ref : Shareds) { | ||||||
| 800 | ClausesData.emplace_back(Ref, *IOrig, *IPriv, *IRed); | ||||||
| 801 | std::advance(IOrig, 1); | ||||||
| 802 | std::advance(IPriv, 1); | ||||||
| 803 | std::advance(IRed, 1); | ||||||
| 804 | } | ||||||
| 805 | } | ||||||
| 806 | |||||||
| 807 | void ReductionCodeGen::emitSharedOrigLValue(CodeGenFunction &CGF, unsigned N) { | ||||||
| 808 | assert(SharedAddresses.size() == N && OrigAddresses.size() == N &&(static_cast <bool> (SharedAddresses.size() == N && OrigAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? void (0) : __assert_fail ("SharedAddresses.size() == N && OrigAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 809, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 809 | "Number of generated lvalues must be exactly N.")(static_cast <bool> (SharedAddresses.size() == N && OrigAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? void (0) : __assert_fail ("SharedAddresses.size() == N && OrigAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 809, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 810 | LValue First = emitSharedLValue(CGF, ClausesData[N].Shared); | ||||||
| 811 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Shared); | ||||||
| 812 | SharedAddresses.emplace_back(First, Second); | ||||||
| 813 | if (ClausesData[N].Shared == ClausesData[N].Ref) { | ||||||
| 814 | OrigAddresses.emplace_back(First, Second); | ||||||
| 815 | } else { | ||||||
| 816 | LValue First = emitSharedLValue(CGF, ClausesData[N].Ref); | ||||||
| 817 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Ref); | ||||||
| 818 | OrigAddresses.emplace_back(First, Second); | ||||||
| 819 | } | ||||||
| 820 | } | ||||||
| 821 | |||||||
| 822 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N) { | ||||||
| 823 | QualType PrivateType = getPrivateType(N); | ||||||
| 824 | bool AsArraySection = isa<OMPArraySectionExpr>(ClausesData[N].Ref); | ||||||
| 825 | if (!PrivateType->isVariablyModifiedType()) { | ||||||
| 826 | Sizes.emplace_back( | ||||||
| 827 | CGF.getTypeSize(OrigAddresses[N].first.getType().getNonReferenceType()), | ||||||
| 828 | nullptr); | ||||||
| 829 | return; | ||||||
| 830 | } | ||||||
| 831 | llvm::Value *Size; | ||||||
| 832 | llvm::Value *SizeInChars; | ||||||
| 833 | auto *ElemType = OrigAddresses[N].first.getAddress(CGF).getElementType(); | ||||||
| 834 | auto *ElemSizeOf = llvm::ConstantExpr::getSizeOf(ElemType); | ||||||
| 835 | if (AsArraySection) { | ||||||
| 836 | Size = CGF.Builder.CreatePtrDiff(ElemType, | ||||||
| 837 | OrigAddresses[N].second.getPointer(CGF), | ||||||
| 838 | OrigAddresses[N].first.getPointer(CGF)); | ||||||
| 839 | Size = CGF.Builder.CreateNUWAdd( | ||||||
| 840 | Size, llvm::ConstantInt::get(Size->getType(), /*V=*/1)); | ||||||
| 841 | SizeInChars = CGF.Builder.CreateNUWMul(Size, ElemSizeOf); | ||||||
| 842 | } else { | ||||||
| 843 | SizeInChars = | ||||||
| 844 | CGF.getTypeSize(OrigAddresses[N].first.getType().getNonReferenceType()); | ||||||
| 845 | Size = CGF.Builder.CreateExactUDiv(SizeInChars, ElemSizeOf); | ||||||
| 846 | } | ||||||
| 847 | Sizes.emplace_back(SizeInChars, Size); | ||||||
| 848 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||||
| 849 | CGF, | ||||||
| 850 | cast<OpaqueValueExpr>( | ||||||
| 851 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | ||||||
| 852 | RValue::get(Size)); | ||||||
| 853 | CGF.EmitVariablyModifiedType(PrivateType); | ||||||
| 854 | } | ||||||
| 855 | |||||||
| 856 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N, | ||||||
| 857 | llvm::Value *Size) { | ||||||
| 858 | QualType PrivateType = getPrivateType(N); | ||||||
| 859 | if (!PrivateType->isVariablyModifiedType()) { | ||||||
| 860 | assert(!Size && !Sizes[N].second &&(static_cast <bool> (!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? void (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 862, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 861 | "Size should be nullptr for non-variably modified reduction "(static_cast <bool> (!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? void (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 862, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 862 | "items.")(static_cast <bool> (!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? void (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 862, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 863 | return; | ||||||
| 864 | } | ||||||
| 865 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||||
| 866 | CGF, | ||||||
| 867 | cast<OpaqueValueExpr>( | ||||||
| 868 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | ||||||
| 869 | RValue::get(Size)); | ||||||
| 870 | CGF.EmitVariablyModifiedType(PrivateType); | ||||||
| 871 | } | ||||||
| 872 | |||||||
| 873 | void ReductionCodeGen::emitInitialization( | ||||||
| 874 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, Address SharedAddr, | ||||||
| 875 | llvm::function_ref<bool(CodeGenFunction &)> DefaultInit) { | ||||||
| 876 | assert(SharedAddresses.size() > N && "No variable was generated")(static_cast <bool> (SharedAddresses.size() > N && "No variable was generated") ? void (0) : __assert_fail ("SharedAddresses.size() > N && \"No variable was generated\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 876, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 877 | const auto *PrivateVD = | ||||||
| 878 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||||
| 879 | const OMPDeclareReductionDecl *DRD = | ||||||
| 880 | getReductionInit(ClausesData[N].ReductionOp); | ||||||
| 881 | if (CGF.getContext().getAsArrayType(PrivateVD->getType())) { | ||||||
| 882 | if (DRD && DRD->getInitializer()) | ||||||
| 883 | (void)DefaultInit(CGF); | ||||||
| 884 | emitAggregateInitialization(CGF, N, PrivateAddr, SharedAddr, DRD); | ||||||
| 885 | } else if (DRD && (DRD->getInitializer() || !PrivateVD->hasInit())) { | ||||||
| 886 | (void)DefaultInit(CGF); | ||||||
| 887 | QualType SharedType = SharedAddresses[N].first.getType(); | ||||||
| 888 | emitInitWithReductionInitializer(CGF, DRD, ClausesData[N].ReductionOp, | ||||||
| 889 | PrivateAddr, SharedAddr, SharedType); | ||||||
| 890 | } else if (!DefaultInit(CGF) && PrivateVD->hasInit() && | ||||||
| 891 | !CGF.isTrivialInitializer(PrivateVD->getInit())) { | ||||||
| 892 | CGF.EmitAnyExprToMem(PrivateVD->getInit(), PrivateAddr, | ||||||
| 893 | PrivateVD->getType().getQualifiers(), | ||||||
| 894 | /*IsInitializer=*/false); | ||||||
| 895 | } | ||||||
| 896 | } | ||||||
| 897 | |||||||
| 898 | bool ReductionCodeGen::needCleanups(unsigned N) { | ||||||
| 899 | QualType PrivateType = getPrivateType(N); | ||||||
| 900 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | ||||||
| 901 | return DTorKind != QualType::DK_none; | ||||||
| 902 | } | ||||||
| 903 | |||||||
| 904 | void ReductionCodeGen::emitCleanups(CodeGenFunction &CGF, unsigned N, | ||||||
| 905 | Address PrivateAddr) { | ||||||
| 906 | QualType PrivateType = getPrivateType(N); | ||||||
| 907 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | ||||||
| 908 | if (needCleanups(N)) { | ||||||
| 909 | PrivateAddr = CGF.Builder.CreateElementBitCast( | ||||||
| 910 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | ||||||
| 911 | CGF.pushDestroy(DTorKind, PrivateAddr, PrivateType); | ||||||
| 912 | } | ||||||
| 913 | } | ||||||
| 914 | |||||||
| 915 | static LValue loadToBegin(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | ||||||
| 916 | LValue BaseLV) { | ||||||
| 917 | BaseTy = BaseTy.getNonReferenceType(); | ||||||
| 918 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | ||||||
| 919 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | ||||||
| 920 | if (const auto *PtrTy = BaseTy->getAs<PointerType>()) { | ||||||
| 921 | BaseLV = CGF.EmitLoadOfPointerLValue(BaseLV.getAddress(CGF), PtrTy); | ||||||
| 922 | } else { | ||||||
| 923 | LValue RefLVal = CGF.MakeAddrLValue(BaseLV.getAddress(CGF), BaseTy); | ||||||
| 924 | BaseLV = CGF.EmitLoadOfReferenceLValue(RefLVal); | ||||||
| 925 | } | ||||||
| 926 | BaseTy = BaseTy->getPointeeType(); | ||||||
| 927 | } | ||||||
| 928 | return CGF.MakeAddrLValue( | ||||||
| 929 | CGF.Builder.CreateElementBitCast(BaseLV.getAddress(CGF), | ||||||
| 930 | CGF.ConvertTypeForMem(ElTy)), | ||||||
| 931 | BaseLV.getType(), BaseLV.getBaseInfo(), | ||||||
| 932 | CGF.CGM.getTBAAInfoForSubobject(BaseLV, BaseLV.getType())); | ||||||
| 933 | } | ||||||
| 934 | |||||||
| 935 | static Address castToBase(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | ||||||
| 936 | Address OriginalBaseAddress, llvm::Value *Addr) { | ||||||
| 937 | Address Tmp = Address::invalid(); | ||||||
| 938 | Address TopTmp = Address::invalid(); | ||||||
| 939 | Address MostTopTmp = Address::invalid(); | ||||||
| 940 | BaseTy = BaseTy.getNonReferenceType(); | ||||||
| 941 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | ||||||
| 942 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | ||||||
| 943 | Tmp = CGF.CreateMemTemp(BaseTy); | ||||||
| 944 | if (TopTmp.isValid()) | ||||||
| 945 | CGF.Builder.CreateStore(Tmp.getPointer(), TopTmp); | ||||||
| 946 | else | ||||||
| 947 | MostTopTmp = Tmp; | ||||||
| 948 | TopTmp = Tmp; | ||||||
| 949 | BaseTy = BaseTy->getPointeeType(); | ||||||
| 950 | } | ||||||
| 951 | |||||||
| 952 | if (Tmp.isValid()) { | ||||||
| 953 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 954 | Addr, Tmp.getElementType()); | ||||||
| 955 | CGF.Builder.CreateStore(Addr, Tmp); | ||||||
| 956 | return MostTopTmp; | ||||||
| 957 | } | ||||||
| 958 | |||||||
| 959 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 960 | Addr, OriginalBaseAddress.getType()); | ||||||
| 961 | return OriginalBaseAddress.withPointer(Addr, NotKnownNonNull); | ||||||
| 962 | } | ||||||
| 963 | |||||||
| 964 | static const VarDecl *getBaseDecl(const Expr *Ref, const DeclRefExpr *&DE) { | ||||||
| 965 | const VarDecl *OrigVD = nullptr; | ||||||
| 966 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(Ref)) { | ||||||
| 967 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||||
| 968 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | ||||||
| 969 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||||
| 970 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||||
| 971 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||||
| 972 | DE = cast<DeclRefExpr>(Base); | ||||||
| 973 | OrigVD = cast<VarDecl>(DE->getDecl()); | ||||||
| 974 | } else if (const auto *ASE = dyn_cast<ArraySubscriptExpr>(Ref)) { | ||||||
| 975 | const Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | ||||||
| 976 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||||
| 977 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||||
| 978 | DE = cast<DeclRefExpr>(Base); | ||||||
| 979 | OrigVD = cast<VarDecl>(DE->getDecl()); | ||||||
| 980 | } | ||||||
| 981 | return OrigVD; | ||||||
| 982 | } | ||||||
| 983 | |||||||
| 984 | Address ReductionCodeGen::adjustPrivateAddress(CodeGenFunction &CGF, unsigned N, | ||||||
| 985 | Address PrivateAddr) { | ||||||
| 986 | const DeclRefExpr *DE; | ||||||
| 987 | if (const VarDecl *OrigVD = ::getBaseDecl(ClausesData[N].Ref, DE)) { | ||||||
| 988 | BaseDecls.emplace_back(OrigVD); | ||||||
| 989 | LValue OriginalBaseLValue = CGF.EmitLValue(DE); | ||||||
| 990 | LValue BaseLValue = | ||||||
| 991 | loadToBegin(CGF, OrigVD->getType(), SharedAddresses[N].first.getType(), | ||||||
| 992 | OriginalBaseLValue); | ||||||
| 993 | Address SharedAddr = SharedAddresses[N].first.getAddress(CGF); | ||||||
| 994 | llvm::Value *Adjustment = CGF.Builder.CreatePtrDiff( | ||||||
| 995 | SharedAddr.getElementType(), BaseLValue.getPointer(CGF), | ||||||
| 996 | SharedAddr.getPointer()); | ||||||
| 997 | llvm::Value *PrivatePointer = | ||||||
| 998 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 999 | PrivateAddr.getPointer(), SharedAddr.getType()); | ||||||
| 1000 | llvm::Value *Ptr = CGF.Builder.CreateGEP( | ||||||
| 1001 | SharedAddr.getElementType(), PrivatePointer, Adjustment); | ||||||
| 1002 | return castToBase(CGF, OrigVD->getType(), | ||||||
| 1003 | SharedAddresses[N].first.getType(), | ||||||
| 1004 | OriginalBaseLValue.getAddress(CGF), Ptr); | ||||||
| 1005 | } | ||||||
| 1006 | BaseDecls.emplace_back( | ||||||
| 1007 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Ref)->getDecl())); | ||||||
| 1008 | return PrivateAddr; | ||||||
| 1009 | } | ||||||
| 1010 | |||||||
| 1011 | bool ReductionCodeGen::usesReductionInitializer(unsigned N) const { | ||||||
| 1012 | const OMPDeclareReductionDecl *DRD = | ||||||
| 1013 | getReductionInit(ClausesData[N].ReductionOp); | ||||||
| 1014 | return DRD && DRD->getInitializer(); | ||||||
| 1015 | } | ||||||
| 1016 | |||||||
| 1017 | LValue CGOpenMPRegionInfo::getThreadIDVariableLValue(CodeGenFunction &CGF) { | ||||||
| 1018 | return CGF.EmitLoadOfPointerLValue( | ||||||
| 1019 | CGF.GetAddrOfLocalVar(getThreadIDVariable()), | ||||||
| 1020 | getThreadIDVariable()->getType()->castAs<PointerType>()); | ||||||
| 1021 | } | ||||||
| 1022 | |||||||
| 1023 | void CGOpenMPRegionInfo::EmitBody(CodeGenFunction &CGF, const Stmt *S) { | ||||||
| 1024 | if (!CGF.HaveInsertPoint()) | ||||||
| 1025 | return; | ||||||
| 1026 | // 1.2.2 OpenMP Language Terminology | ||||||
| 1027 | // Structured block - An executable statement with a single entry at the | ||||||
| 1028 | // top and a single exit at the bottom. | ||||||
| 1029 | // The point of exit cannot be a branch out of the structured block. | ||||||
| 1030 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||
| 1031 | CGF.EHStack.pushTerminate(); | ||||||
| 1032 | if (S) | ||||||
| 1033 | CGF.incrementProfileCounter(S); | ||||||
| 1034 | CodeGen(CGF); | ||||||
| 1035 | CGF.EHStack.popTerminate(); | ||||||
| 1036 | } | ||||||
| 1037 | |||||||
| 1038 | LValue CGOpenMPTaskOutlinedRegionInfo::getThreadIDVariableLValue( | ||||||
| 1039 | CodeGenFunction &CGF) { | ||||||
| 1040 | return CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(getThreadIDVariable()), | ||||||
| 1041 | getThreadIDVariable()->getType(), | ||||||
| 1042 | AlignmentSource::Decl); | ||||||
| 1043 | } | ||||||
| 1044 | |||||||
| 1045 | static FieldDecl *addFieldToRecordDecl(ASTContext &C, DeclContext *DC, | ||||||
| 1046 | QualType FieldTy) { | ||||||
| 1047 | auto *Field = FieldDecl::Create( | ||||||
| 1048 | C, DC, SourceLocation(), SourceLocation(), /*Id=*/nullptr, FieldTy, | ||||||
| 1049 | C.getTrivialTypeSourceInfo(FieldTy, SourceLocation()), | ||||||
| 1050 | /*BW=*/nullptr, /*Mutable=*/false, /*InitStyle=*/ICIS_NoInit); | ||||||
| 1051 | Field->setAccess(AS_public); | ||||||
| 1052 | DC->addDecl(Field); | ||||||
| 1053 | return Field; | ||||||
| 1054 | } | ||||||
| 1055 | |||||||
| 1056 | CGOpenMPRuntime::CGOpenMPRuntime(CodeGenModule &CGM) | ||||||
| 1057 | : CGM(CGM), OMPBuilder(CGM.getModule()) { | ||||||
| 1058 | KmpCriticalNameTy = llvm::ArrayType::get(CGM.Int32Ty, /*NumElements*/ 8); | ||||||
| 1059 | llvm::OpenMPIRBuilderConfig Config(CGM.getLangOpts().OpenMPIsDevice, false, | ||||||
| 1060 | hasRequiresUnifiedSharedMemory(), | ||||||
| 1061 | CGM.getLangOpts().OpenMPOffloadMandatory); | ||||||
| 1062 | // Initialize Types used in OpenMPIRBuilder from OMPKinds.def | ||||||
| 1063 | OMPBuilder.initialize(); | ||||||
| 1064 | OMPBuilder.setConfig(Config); | ||||||
| 1065 | loadOffloadInfoMetadata(); | ||||||
| 1066 | } | ||||||
| 1067 | |||||||
| 1068 | void CGOpenMPRuntime::clear() { | ||||||
| 1069 | InternalVars.clear(); | ||||||
| 1070 | // Clean non-target variable declarations possibly used only in debug info. | ||||||
| 1071 | for (const auto &Data : EmittedNonTargetVariables) { | ||||||
| 1072 | if (!Data.getValue().pointsToAliveValue()) | ||||||
| 1073 | continue; | ||||||
| 1074 | auto *GV = dyn_cast<llvm::GlobalVariable>(Data.getValue()); | ||||||
| 1075 | if (!GV) | ||||||
| 1076 | continue; | ||||||
| 1077 | if (!GV->isDeclaration() || GV->getNumUses() > 0) | ||||||
| 1078 | continue; | ||||||
| 1079 | GV->eraseFromParent(); | ||||||
| 1080 | } | ||||||
| 1081 | } | ||||||
| 1082 | |||||||
| 1083 | std::string CGOpenMPRuntime::getName(ArrayRef<StringRef> Parts) const { | ||||||
| 1084 | return OMPBuilder.createPlatformSpecificName(Parts); | ||||||
| 1085 | } | ||||||
| 1086 | |||||||
| 1087 | static llvm::Function * | ||||||
| 1088 | emitCombinerOrInitializer(CodeGenModule &CGM, QualType Ty, | ||||||
| 1089 | const Expr *CombinerInitializer, const VarDecl *In, | ||||||
| 1090 | const VarDecl *Out, bool IsCombiner) { | ||||||
| 1091 | // void .omp_combiner.(Ty *in, Ty *out); | ||||||
| 1092 | ASTContext &C = CGM.getContext(); | ||||||
| 1093 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | ||||||
| 1094 | FunctionArgList Args; | ||||||
| 1095 | ImplicitParamDecl OmpOutParm(C, /*DC=*/nullptr, Out->getLocation(), | ||||||
| 1096 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | ||||||
| 1097 | ImplicitParamDecl OmpInParm(C, /*DC=*/nullptr, In->getLocation(), | ||||||
| 1098 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | ||||||
| 1099 | Args.push_back(&OmpOutParm); | ||||||
| 1100 | Args.push_back(&OmpInParm); | ||||||
| 1101 | const CGFunctionInfo &FnInfo = | ||||||
| 1102 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 1103 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 1104 | std::string Name = CGM.getOpenMPRuntime().getName( | ||||||
| 1105 | {IsCombiner ? "omp_combiner" : "omp_initializer", ""}); | ||||||
| 1106 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 1107 | Name, &CGM.getModule()); | ||||||
| 1108 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 1109 | if (CGM.getLangOpts().Optimize) { | ||||||
| 1110 | Fn->removeFnAttr(llvm::Attribute::NoInline); | ||||||
| 1111 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||||
| 1112 | Fn->addFnAttr(llvm::Attribute::AlwaysInline); | ||||||
| 1113 | } | ||||||
| 1114 | CodeGenFunction CGF(CGM); | ||||||
| 1115 | // Map "T omp_in;" variable to "*omp_in_parm" value in all expressions. | ||||||
| 1116 | // Map "T omp_out;" variable to "*omp_out_parm" value in all expressions. | ||||||
| 1117 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, In->getLocation(), | ||||||
| 1118 | Out->getLocation()); | ||||||
| 1119 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||||
| 1120 | Address AddrIn = CGF.GetAddrOfLocalVar(&OmpInParm); | ||||||
| 1121 | Scope.addPrivate( | ||||||
| 1122 | In, CGF.EmitLoadOfPointerLValue(AddrIn, PtrTy->castAs<PointerType>()) | ||||||
| 1123 | .getAddress(CGF)); | ||||||
| 1124 | Address AddrOut = CGF.GetAddrOfLocalVar(&OmpOutParm); | ||||||
| 1125 | Scope.addPrivate( | ||||||
| 1126 | Out, CGF.EmitLoadOfPointerLValue(AddrOut, PtrTy->castAs<PointerType>()) | ||||||
| 1127 | .getAddress(CGF)); | ||||||
| 1128 | (void)Scope.Privatize(); | ||||||
| 1129 | if (!IsCombiner && Out->hasInit() && | ||||||
| 1130 | !CGF.isTrivialInitializer(Out->getInit())) { | ||||||
| 1131 | CGF.EmitAnyExprToMem(Out->getInit(), CGF.GetAddrOfLocalVar(Out), | ||||||
| 1132 | Out->getType().getQualifiers(), | ||||||
| 1133 | /*IsInitializer=*/true); | ||||||
| 1134 | } | ||||||
| 1135 | if (CombinerInitializer) | ||||||
| 1136 | CGF.EmitIgnoredExpr(CombinerInitializer); | ||||||
| 1137 | Scope.ForceCleanup(); | ||||||
| 1138 | CGF.FinishFunction(); | ||||||
| 1139 | return Fn; | ||||||
| 1140 | } | ||||||
| 1141 | |||||||
| 1142 | void CGOpenMPRuntime::emitUserDefinedReduction( | ||||||
| 1143 | CodeGenFunction *CGF, const OMPDeclareReductionDecl *D) { | ||||||
| 1144 | if (UDRMap.count(D) > 0) | ||||||
| 1145 | return; | ||||||
| 1146 | llvm::Function *Combiner = emitCombinerOrInitializer( | ||||||
| 1147 | CGM, D->getType(), D->getCombiner(), | ||||||
| 1148 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerIn())->getDecl()), | ||||||
| 1149 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerOut())->getDecl()), | ||||||
| 1150 | /*IsCombiner=*/true); | ||||||
| 1151 | llvm::Function *Initializer = nullptr; | ||||||
| 1152 | if (const Expr *Init = D->getInitializer()) { | ||||||
| 1153 | Initializer = emitCombinerOrInitializer( | ||||||
| 1154 | CGM, D->getType(), | ||||||
| 1155 | D->getInitializerKind() == OMPDeclareReductionDecl::CallInit ? Init | ||||||
| 1156 | : nullptr, | ||||||
| 1157 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitOrig())->getDecl()), | ||||||
| 1158 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitPriv())->getDecl()), | ||||||
| 1159 | /*IsCombiner=*/false); | ||||||
| 1160 | } | ||||||
| 1161 | UDRMap.try_emplace(D, Combiner, Initializer); | ||||||
| 1162 | if (CGF) { | ||||||
| 1163 | auto &Decls = FunctionUDRMap.FindAndConstruct(CGF->CurFn); | ||||||
| 1164 | Decls.second.push_back(D); | ||||||
| 1165 | } | ||||||
| 1166 | } | ||||||
| 1167 | |||||||
| 1168 | std::pair<llvm::Function *, llvm::Function *> | ||||||
| 1169 | CGOpenMPRuntime::getUserDefinedReduction(const OMPDeclareReductionDecl *D) { | ||||||
| 1170 | auto I = UDRMap.find(D); | ||||||
| 1171 | if (I != UDRMap.end()) | ||||||
| 1172 | return I->second; | ||||||
| 1173 | emitUserDefinedReduction(/*CGF=*/nullptr, D); | ||||||
| 1174 | return UDRMap.lookup(D); | ||||||
| 1175 | } | ||||||
| 1176 | |||||||
| 1177 | namespace { | ||||||
| 1178 | // Temporary RAII solution to perform a push/pop stack event on the OpenMP IR | ||||||
| 1179 | // Builder if one is present. | ||||||
| 1180 | struct PushAndPopStackRAII { | ||||||
| 1181 | PushAndPopStackRAII(llvm::OpenMPIRBuilder *OMPBuilder, CodeGenFunction &CGF, | ||||||
| 1182 | bool HasCancel, llvm::omp::Directive Kind) | ||||||
| 1183 | : OMPBuilder(OMPBuilder) { | ||||||
| 1184 | if (!OMPBuilder) | ||||||
| 1185 | return; | ||||||
| 1186 | |||||||
| 1187 | // The following callback is the crucial part of clangs cleanup process. | ||||||
| 1188 | // | ||||||
| 1189 | // NOTE: | ||||||
| 1190 | // Once the OpenMPIRBuilder is used to create parallel regions (and | ||||||
| 1191 | // similar), the cancellation destination (Dest below) is determined via | ||||||
| 1192 | // IP. That means if we have variables to finalize we split the block at IP, | ||||||
| 1193 | // use the new block (=BB) as destination to build a JumpDest (via | ||||||
| 1194 | // getJumpDestInCurrentScope(BB)) which then is fed to | ||||||
| 1195 | // EmitBranchThroughCleanup. Furthermore, there will not be the need | ||||||
| 1196 | // to push & pop an FinalizationInfo object. | ||||||
| 1197 | // The FiniCB will still be needed but at the point where the | ||||||
| 1198 | // OpenMPIRBuilder is asked to construct a parallel (or similar) construct. | ||||||
| 1199 | auto FiniCB = [&CGF](llvm::OpenMPIRBuilder::InsertPointTy IP) { | ||||||
| 1200 | assert(IP.getBlock()->end() == IP.getPoint() &&(static_cast <bool> (IP.getBlock()->end() == IP.getPoint () && "Clang CG should cause non-terminated block!") ? void (0) : __assert_fail ("IP.getBlock()->end() == IP.getPoint() && \"Clang CG should cause non-terminated block!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1201, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1201 | "Clang CG should cause non-terminated block!")(static_cast <bool> (IP.getBlock()->end() == IP.getPoint () && "Clang CG should cause non-terminated block!") ? void (0) : __assert_fail ("IP.getBlock()->end() == IP.getPoint() && \"Clang CG should cause non-terminated block!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1201, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1202 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||||
| 1203 | CGF.Builder.restoreIP(IP); | ||||||
| 1204 | CodeGenFunction::JumpDest Dest = | ||||||
| 1205 | CGF.getOMPCancelDestination(OMPD_parallel); | ||||||
| 1206 | CGF.EmitBranchThroughCleanup(Dest); | ||||||
| 1207 | }; | ||||||
| 1208 | |||||||
| 1209 | // TODO: Remove this once we emit parallel regions through the | ||||||
| 1210 | // OpenMPIRBuilder as it can do this setup internally. | ||||||
| 1211 | llvm::OpenMPIRBuilder::FinalizationInfo FI({FiniCB, Kind, HasCancel}); | ||||||
| 1212 | OMPBuilder->pushFinalizationCB(std::move(FI)); | ||||||
| 1213 | } | ||||||
| 1214 | ~PushAndPopStackRAII() { | ||||||
| 1215 | if (OMPBuilder) | ||||||
| 1216 | OMPBuilder->popFinalizationCB(); | ||||||
| 1217 | } | ||||||
| 1218 | llvm::OpenMPIRBuilder *OMPBuilder; | ||||||
| 1219 | }; | ||||||
| 1220 | } // namespace | ||||||
| 1221 | |||||||
| 1222 | static llvm::Function *emitParallelOrTeamsOutlinedFunction( | ||||||
| 1223 | CodeGenModule &CGM, const OMPExecutableDirective &D, const CapturedStmt *CS, | ||||||
| 1224 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||||
| 1225 | const StringRef OutlinedHelperName, const RegionCodeGenTy &CodeGen) { | ||||||
| 1226 | assert(ThreadIDVar->getType()->isPointerType() &&(static_cast <bool> (ThreadIDVar->getType()->isPointerType () && "thread id variable must be of type kmp_int32 *" ) ? void (0) : __assert_fail ("ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 *\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1227, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1227 | "thread id variable must be of type kmp_int32 *")(static_cast <bool> (ThreadIDVar->getType()->isPointerType () && "thread id variable must be of type kmp_int32 *" ) ? void (0) : __assert_fail ("ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 *\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1227, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1228 | CodeGenFunction CGF(CGM, true); | ||||||
| 1229 | bool HasCancel = false; | ||||||
| 1230 | if (const auto *OPD = dyn_cast<OMPParallelDirective>(&D)) | ||||||
| 1231 | HasCancel = OPD->hasCancel(); | ||||||
| 1232 | else if (const auto *OPD = dyn_cast<OMPTargetParallelDirective>(&D)) | ||||||
| 1233 | HasCancel = OPD->hasCancel(); | ||||||
| 1234 | else if (const auto *OPSD = dyn_cast<OMPParallelSectionsDirective>(&D)) | ||||||
| 1235 | HasCancel = OPSD->hasCancel(); | ||||||
| 1236 | else if (const auto *OPFD = dyn_cast<OMPParallelForDirective>(&D)) | ||||||
| 1237 | HasCancel = OPFD->hasCancel(); | ||||||
| 1238 | else if (const auto *OPFD = dyn_cast<OMPTargetParallelForDirective>(&D)) | ||||||
| 1239 | HasCancel = OPFD->hasCancel(); | ||||||
| 1240 | else if (const auto *OPFD = dyn_cast<OMPDistributeParallelForDirective>(&D)) | ||||||
| 1241 | HasCancel = OPFD->hasCancel(); | ||||||
| 1242 | else if (const auto *OPFD = | ||||||
| 1243 | dyn_cast<OMPTeamsDistributeParallelForDirective>(&D)) | ||||||
| 1244 | HasCancel = OPFD->hasCancel(); | ||||||
| 1245 | else if (const auto *OPFD = | ||||||
| 1246 | dyn_cast<OMPTargetTeamsDistributeParallelForDirective>(&D)) | ||||||
| 1247 | HasCancel = OPFD->hasCancel(); | ||||||
| 1248 | |||||||
| 1249 | // TODO: Temporarily inform the OpenMPIRBuilder, if any, about the new | ||||||
| 1250 | // parallel region to make cancellation barriers work properly. | ||||||
| 1251 | llvm::OpenMPIRBuilder &OMPBuilder = CGM.getOpenMPRuntime().getOMPBuilder(); | ||||||
| 1252 | PushAndPopStackRAII PSR(&OMPBuilder, CGF, HasCancel, InnermostKind); | ||||||
| 1253 | CGOpenMPOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, InnermostKind, | ||||||
| 1254 | HasCancel, OutlinedHelperName); | ||||||
| 1255 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 1256 | return CGF.GenerateOpenMPCapturedStmtFunction(*CS, D.getBeginLoc()); | ||||||
| 1257 | } | ||||||
| 1258 | |||||||
| 1259 | std::string CGOpenMPRuntime::getOutlinedHelperName(StringRef Name) const { | ||||||
| 1260 | std::string Suffix = getName({"omp_outlined"}); | ||||||
| 1261 | return (Name + Suffix).str(); | ||||||
| 1262 | } | ||||||
| 1263 | |||||||
| 1264 | std::string CGOpenMPRuntime::getOutlinedHelperName(CodeGenFunction &CGF) const { | ||||||
| 1265 | return getOutlinedHelperName(CGF.CurFn->getName()); | ||||||
| 1266 | } | ||||||
| 1267 | |||||||
| 1268 | std::string CGOpenMPRuntime::getReductionFuncName(StringRef Name) const { | ||||||
| 1269 | std::string Suffix = getName({"omp", "reduction", "reduction_func"}); | ||||||
| 1270 | return (Name + Suffix).str(); | ||||||
| 1271 | } | ||||||
| 1272 | |||||||
| 1273 | llvm::Function *CGOpenMPRuntime::emitParallelOutlinedFunction( | ||||||
| 1274 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 1275 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||||
| 1276 | const RegionCodeGenTy &CodeGen) { | ||||||
| 1277 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_parallel); | ||||||
| 1278 | return emitParallelOrTeamsOutlinedFunction( | ||||||
| 1279 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(CGF), | ||||||
| 1280 | CodeGen); | ||||||
| 1281 | } | ||||||
| 1282 | |||||||
| 1283 | llvm::Function *CGOpenMPRuntime::emitTeamsOutlinedFunction( | ||||||
| 1284 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 1285 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||||
| 1286 | const RegionCodeGenTy &CodeGen) { | ||||||
| 1287 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_teams); | ||||||
| 1288 | return emitParallelOrTeamsOutlinedFunction( | ||||||
| 1289 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(CGF), | ||||||
| 1290 | CodeGen); | ||||||
| 1291 | } | ||||||
| 1292 | |||||||
| 1293 | llvm::Function *CGOpenMPRuntime::emitTaskOutlinedFunction( | ||||||
| 1294 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||||
| 1295 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | ||||||
| 1296 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | ||||||
| 1297 | bool Tied, unsigned &NumberOfParts) { | ||||||
| 1298 | auto &&UntiedCodeGen = [this, &D, TaskTVar](CodeGenFunction &CGF, | ||||||
| 1299 | PrePostActionTy &) { | ||||||
| 1300 | llvm::Value *ThreadID = getThreadID(CGF, D.getBeginLoc()); | ||||||
| 1301 | llvm::Value *UpLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 1302 | llvm::Value *TaskArgs[] = { | ||||||
| 1303 | UpLoc, ThreadID, | ||||||
| 1304 | CGF.EmitLoadOfPointerLValue(CGF.GetAddrOfLocalVar(TaskTVar), | ||||||
| 1305 | TaskTVar->getType()->castAs<PointerType>()) | ||||||
| 1306 | .getPointer(CGF)}; | ||||||
| 1307 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1308 | CGM.getModule(), OMPRTL___kmpc_omp_task), | ||||||
| 1309 | TaskArgs); | ||||||
| 1310 | }; | ||||||
| 1311 | CGOpenMPTaskOutlinedRegionInfo::UntiedTaskActionTy Action(Tied, PartIDVar, | ||||||
| 1312 | UntiedCodeGen); | ||||||
| 1313 | CodeGen.setAction(Action); | ||||||
| 1314 | assert(!ThreadIDVar->getType()->isPointerType() &&(static_cast <bool> (!ThreadIDVar->getType()->isPointerType () && "thread id variable must be of type kmp_int32 for tasks" ) ? void (0) : __assert_fail ("!ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 for tasks\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1315, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1315 | "thread id variable must be of type kmp_int32 for tasks")(static_cast <bool> (!ThreadIDVar->getType()->isPointerType () && "thread id variable must be of type kmp_int32 for tasks" ) ? void (0) : __assert_fail ("!ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 for tasks\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1315, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1316 | const OpenMPDirectiveKind Region = | ||||||
| 1317 | isOpenMPTaskLoopDirective(D.getDirectiveKind()) ? OMPD_taskloop | ||||||
| 1318 | : OMPD_task; | ||||||
| 1319 | const CapturedStmt *CS = D.getCapturedStmt(Region); | ||||||
| 1320 | bool HasCancel = false; | ||||||
| 1321 | if (const auto *TD = dyn_cast<OMPTaskDirective>(&D)) | ||||||
| 1322 | HasCancel = TD->hasCancel(); | ||||||
| 1323 | else if (const auto *TD = dyn_cast<OMPTaskLoopDirective>(&D)) | ||||||
| 1324 | HasCancel = TD->hasCancel(); | ||||||
| 1325 | else if (const auto *TD = dyn_cast<OMPMasterTaskLoopDirective>(&D)) | ||||||
| 1326 | HasCancel = TD->hasCancel(); | ||||||
| 1327 | else if (const auto *TD = dyn_cast<OMPParallelMasterTaskLoopDirective>(&D)) | ||||||
| 1328 | HasCancel = TD->hasCancel(); | ||||||
| 1329 | |||||||
| 1330 | CodeGenFunction CGF(CGM, true); | ||||||
| 1331 | CGOpenMPTaskOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, | ||||||
| 1332 | InnermostKind, HasCancel, Action); | ||||||
| 1333 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 1334 | llvm::Function *Res = CGF.GenerateCapturedStmtFunction(*CS); | ||||||
| 1335 | if (!Tied) | ||||||
| 1336 | NumberOfParts = Action.getNumberOfParts(); | ||||||
| 1337 | return Res; | ||||||
| 1338 | } | ||||||
| 1339 | |||||||
| 1340 | void CGOpenMPRuntime::setLocThreadIdInsertPt(CodeGenFunction &CGF, | ||||||
| 1341 | bool AtCurrentPoint) { | ||||||
| 1342 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1343 | assert(!Elem.second.ServiceInsertPt && "Insert point is set already.")(static_cast <bool> (!Elem.second.ServiceInsertPt && "Insert point is set already.") ? void (0) : __assert_fail ( "!Elem.second.ServiceInsertPt && \"Insert point is set already.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1343, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1344 | |||||||
| 1345 | llvm::Value *Undef = llvm::UndefValue::get(CGF.Int32Ty); | ||||||
| 1346 | if (AtCurrentPoint) { | ||||||
| 1347 | Elem.second.ServiceInsertPt = new llvm::BitCastInst( | ||||||
| 1348 | Undef, CGF.Int32Ty, "svcpt", CGF.Builder.GetInsertBlock()); | ||||||
| 1349 | } else { | ||||||
| 1350 | Elem.second.ServiceInsertPt = | ||||||
| 1351 | new llvm::BitCastInst(Undef, CGF.Int32Ty, "svcpt"); | ||||||
| 1352 | Elem.second.ServiceInsertPt->insertAfter(CGF.AllocaInsertPt); | ||||||
| 1353 | } | ||||||
| 1354 | } | ||||||
| 1355 | |||||||
| 1356 | void CGOpenMPRuntime::clearLocThreadIdInsertPt(CodeGenFunction &CGF) { | ||||||
| 1357 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1358 | if (Elem.second.ServiceInsertPt) { | ||||||
| 1359 | llvm::Instruction *Ptr = Elem.second.ServiceInsertPt; | ||||||
| 1360 | Elem.second.ServiceInsertPt = nullptr; | ||||||
| 1361 | Ptr->eraseFromParent(); | ||||||
| 1362 | } | ||||||
| 1363 | } | ||||||
| 1364 | |||||||
| 1365 | static StringRef getIdentStringFromSourceLocation(CodeGenFunction &CGF, | ||||||
| 1366 | SourceLocation Loc, | ||||||
| 1367 | SmallString<128> &Buffer) { | ||||||
| 1368 | llvm::raw_svector_ostream OS(Buffer); | ||||||
| 1369 | // Build debug location | ||||||
| 1370 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||||
| 1371 | OS << ";" << PLoc.getFilename() << ";"; | ||||||
| 1372 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | ||||||
| 1373 | OS << FD->getQualifiedNameAsString(); | ||||||
| 1374 | OS << ";" << PLoc.getLine() << ";" << PLoc.getColumn() << ";;"; | ||||||
| 1375 | return OS.str(); | ||||||
| 1376 | } | ||||||
| 1377 | |||||||
| 1378 | llvm::Value *CGOpenMPRuntime::emitUpdateLocation(CodeGenFunction &CGF, | ||||||
| 1379 | SourceLocation Loc, | ||||||
| 1380 | unsigned Flags, bool EmitLoc) { | ||||||
| 1381 | uint32_t SrcLocStrSize; | ||||||
| 1382 | llvm::Constant *SrcLocStr; | ||||||
| 1383 | if ((!EmitLoc && CGM.getCodeGenOpts().getDebugInfo() == | ||||||
| 1384 | llvm::codegenoptions::NoDebugInfo) || | ||||||
| 1385 | Loc.isInvalid()) { | ||||||
| 1386 | SrcLocStr = OMPBuilder.getOrCreateDefaultSrcLocStr(SrcLocStrSize); | ||||||
| 1387 | } else { | ||||||
| 1388 | std::string FunctionName; | ||||||
| 1389 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | ||||||
| 1390 | FunctionName = FD->getQualifiedNameAsString(); | ||||||
| 1391 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||||
| 1392 | const char *FileName = PLoc.getFilename(); | ||||||
| 1393 | unsigned Line = PLoc.getLine(); | ||||||
| 1394 | unsigned Column = PLoc.getColumn(); | ||||||
| 1395 | SrcLocStr = OMPBuilder.getOrCreateSrcLocStr(FunctionName, FileName, Line, | ||||||
| 1396 | Column, SrcLocStrSize); | ||||||
| 1397 | } | ||||||
| 1398 | unsigned Reserved2Flags = getDefaultLocationReserved2Flags(); | ||||||
| 1399 | return OMPBuilder.getOrCreateIdent( | ||||||
| 1400 | SrcLocStr, SrcLocStrSize, llvm::omp::IdentFlag(Flags), Reserved2Flags); | ||||||
| 1401 | } | ||||||
| 1402 | |||||||
| 1403 | llvm::Value *CGOpenMPRuntime::getThreadID(CodeGenFunction &CGF, | ||||||
| 1404 | SourceLocation Loc) { | ||||||
| 1405 | assert(CGF.CurFn && "No function in current CodeGenFunction.")(static_cast <bool> (CGF.CurFn && "No function in current CodeGenFunction." ) ? void (0) : __assert_fail ("CGF.CurFn && \"No function in current CodeGenFunction.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1405, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1406 | // If the OpenMPIRBuilder is used we need to use it for all thread id calls as | ||||||
| 1407 | // the clang invariants used below might be broken. | ||||||
| 1408 | if (CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 1409 | SmallString<128> Buffer; | ||||||
| 1410 | OMPBuilder.updateToLocation(CGF.Builder.saveIP()); | ||||||
| 1411 | uint32_t SrcLocStrSize; | ||||||
| 1412 | auto *SrcLocStr = OMPBuilder.getOrCreateSrcLocStr( | ||||||
| 1413 | getIdentStringFromSourceLocation(CGF, Loc, Buffer), SrcLocStrSize); | ||||||
| 1414 | return OMPBuilder.getOrCreateThreadID( | ||||||
| 1415 | OMPBuilder.getOrCreateIdent(SrcLocStr, SrcLocStrSize)); | ||||||
| 1416 | } | ||||||
| 1417 | |||||||
| 1418 | llvm::Value *ThreadID = nullptr; | ||||||
| 1419 | // Check whether we've already cached a load of the thread id in this | ||||||
| 1420 | // function. | ||||||
| 1421 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | ||||||
| 1422 | if (I != OpenMPLocThreadIDMap.end()) { | ||||||
| 1423 | ThreadID = I->second.ThreadID; | ||||||
| 1424 | if (ThreadID != nullptr) | ||||||
| 1425 | return ThreadID; | ||||||
| 1426 | } | ||||||
| 1427 | // If exceptions are enabled, do not use parameter to avoid possible crash. | ||||||
| 1428 | if (auto *OMPRegionInfo = | ||||||
| 1429 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||||
| 1430 | if (OMPRegionInfo->getThreadIDVariable()) { | ||||||
| 1431 | // Check if this an outlined function with thread id passed as argument. | ||||||
| 1432 | LValue LVal = OMPRegionInfo->getThreadIDVariableLValue(CGF); | ||||||
| 1433 | llvm::BasicBlock *TopBlock = CGF.AllocaInsertPt->getParent(); | ||||||
| 1434 | if (!CGF.EHStack.requiresLandingPad() || !CGF.getLangOpts().Exceptions || | ||||||
| 1435 | !CGF.getLangOpts().CXXExceptions || | ||||||
| 1436 | CGF.Builder.GetInsertBlock() == TopBlock || | ||||||
| 1437 | !isa<llvm::Instruction>(LVal.getPointer(CGF)) || | ||||||
| 1438 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||||
| 1439 | TopBlock || | ||||||
| 1440 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||||
| 1441 | CGF.Builder.GetInsertBlock()) { | ||||||
| 1442 | ThreadID = CGF.EmitLoadOfScalar(LVal, Loc); | ||||||
| 1443 | // If value loaded in entry block, cache it and use it everywhere in | ||||||
| 1444 | // function. | ||||||
| 1445 | if (CGF.Builder.GetInsertBlock() == TopBlock) { | ||||||
| 1446 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1447 | Elem.second.ThreadID = ThreadID; | ||||||
| 1448 | } | ||||||
| 1449 | return ThreadID; | ||||||
| 1450 | } | ||||||
| 1451 | } | ||||||
| 1452 | } | ||||||
| 1453 | |||||||
| 1454 | // This is not an outlined function region - need to call __kmpc_int32 | ||||||
| 1455 | // kmpc_global_thread_num(ident_t *loc). | ||||||
| 1456 | // Generate thread id value and cache this value for use across the | ||||||
| 1457 | // function. | ||||||
| 1458 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1459 | if (!Elem.second.ServiceInsertPt) | ||||||
| 1460 | setLocThreadIdInsertPt(CGF); | ||||||
| 1461 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||||
| 1462 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | ||||||
| 1463 | llvm::CallInst *Call = CGF.Builder.CreateCall( | ||||||
| 1464 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 1465 | OMPRTL___kmpc_global_thread_num), | ||||||
| 1466 | emitUpdateLocation(CGF, Loc)); | ||||||
| 1467 | Call->setCallingConv(CGF.getRuntimeCC()); | ||||||
| 1468 | Elem.second.ThreadID = Call; | ||||||
| 1469 | return Call; | ||||||
| 1470 | } | ||||||
| 1471 | |||||||
| 1472 | void CGOpenMPRuntime::functionFinished(CodeGenFunction &CGF) { | ||||||
| 1473 | assert(CGF.CurFn && "No function in current CodeGenFunction.")(static_cast <bool> (CGF.CurFn && "No function in current CodeGenFunction." ) ? void (0) : __assert_fail ("CGF.CurFn && \"No function in current CodeGenFunction.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1473, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1474 | if (OpenMPLocThreadIDMap.count(CGF.CurFn)) { | ||||||
| 1475 | clearLocThreadIdInsertPt(CGF); | ||||||
| 1476 | OpenMPLocThreadIDMap.erase(CGF.CurFn); | ||||||
| 1477 | } | ||||||
| 1478 | if (FunctionUDRMap.count(CGF.CurFn) > 0) { | ||||||
| 1479 | for(const auto *D : FunctionUDRMap[CGF.CurFn]) | ||||||
| 1480 | UDRMap.erase(D); | ||||||
| 1481 | FunctionUDRMap.erase(CGF.CurFn); | ||||||
| 1482 | } | ||||||
| 1483 | auto I = FunctionUDMMap.find(CGF.CurFn); | ||||||
| 1484 | if (I != FunctionUDMMap.end()) { | ||||||
| 1485 | for(const auto *D : I->second) | ||||||
| 1486 | UDMMap.erase(D); | ||||||
| 1487 | FunctionUDMMap.erase(I); | ||||||
| 1488 | } | ||||||
| 1489 | LastprivateConditionalToTypes.erase(CGF.CurFn); | ||||||
| 1490 | FunctionToUntiedTaskStackMap.erase(CGF.CurFn); | ||||||
| 1491 | } | ||||||
| 1492 | |||||||
| 1493 | llvm::Type *CGOpenMPRuntime::getIdentTyPointerTy() { | ||||||
| 1494 | return OMPBuilder.IdentPtr; | ||||||
| 1495 | } | ||||||
| 1496 | |||||||
| 1497 | llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() { | ||||||
| 1498 | if (!Kmpc_MicroTy) { | ||||||
| 1499 | // Build void (*kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...) | ||||||
| 1500 | llvm::Type *MicroParams[] = {llvm::PointerType::getUnqual(CGM.Int32Ty), | ||||||
| 1501 | llvm::PointerType::getUnqual(CGM.Int32Ty)}; | ||||||
| 1502 | Kmpc_MicroTy = llvm::FunctionType::get(CGM.VoidTy, MicroParams, true); | ||||||
| 1503 | } | ||||||
| 1504 | return llvm::PointerType::getUnqual(Kmpc_MicroTy); | ||||||
| 1505 | } | ||||||
| 1506 | |||||||
| 1507 | llvm::FunctionCallee | ||||||
| 1508 | CGOpenMPRuntime::createForStaticInitFunction(unsigned IVSize, bool IVSigned, | ||||||
| 1509 | bool IsGPUDistribute) { | ||||||
| 1510 | assert((IVSize == 32 || IVSize == 64) &&(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1511 | "IV size is not compatible with the omp runtime")(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1511, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1512 | StringRef Name; | ||||||
| 1513 | if (IsGPUDistribute) | ||||||
| 1514 | Name = IVSize == 32 ? (IVSigned ? "__kmpc_distribute_static_init_4" | ||||||
| 1515 | : "__kmpc_distribute_static_init_4u") | ||||||
| 1516 | : (IVSigned ? "__kmpc_distribute_static_init_8" | ||||||
| 1517 | : "__kmpc_distribute_static_init_8u"); | ||||||
| 1518 | else | ||||||
| 1519 | Name = IVSize == 32 ? (IVSigned ? "__kmpc_for_static_init_4" | ||||||
| 1520 | : "__kmpc_for_static_init_4u") | ||||||
| 1521 | : (IVSigned ? "__kmpc_for_static_init_8" | ||||||
| 1522 | : "__kmpc_for_static_init_8u"); | ||||||
| 1523 | |||||||
| 1524 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1525 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||||
| 1526 | llvm::Type *TypeParams[] = { | ||||||
| 1527 | getIdentTyPointerTy(), // loc | ||||||
| 1528 | CGM.Int32Ty, // tid | ||||||
| 1529 | CGM.Int32Ty, // schedtype | ||||||
| 1530 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||||
| 1531 | PtrTy, // p_lower | ||||||
| 1532 | PtrTy, // p_upper | ||||||
| 1533 | PtrTy, // p_stride | ||||||
| 1534 | ITy, // incr | ||||||
| 1535 | ITy // chunk | ||||||
| 1536 | }; | ||||||
| 1537 | auto *FnTy = | ||||||
| 1538 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||||
| 1539 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1540 | } | ||||||
| 1541 | |||||||
| 1542 | llvm::FunctionCallee | ||||||
| 1543 | CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1544 | assert((IVSize == 32 || IVSize == 64) &&(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1545, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1545 | "IV size is not compatible with the omp runtime")(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1545, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1546 | StringRef Name = | ||||||
| 1547 | IVSize == 32 | ||||||
| 1548 | ? (IVSigned ? "__kmpc_dispatch_init_4" : "__kmpc_dispatch_init_4u") | ||||||
| 1549 | : (IVSigned ? "__kmpc_dispatch_init_8" : "__kmpc_dispatch_init_8u"); | ||||||
| 1550 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1551 | llvm::Type *TypeParams[] = { getIdentTyPointerTy(), // loc | ||||||
| 1552 | CGM.Int32Ty, // tid | ||||||
| 1553 | CGM.Int32Ty, // schedtype | ||||||
| 1554 | ITy, // lower | ||||||
| 1555 | ITy, // upper | ||||||
| 1556 | ITy, // stride | ||||||
| 1557 | ITy // chunk | ||||||
| 1558 | }; | ||||||
| 1559 | auto *FnTy = | ||||||
| 1560 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||||
| 1561 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1562 | } | ||||||
| 1563 | |||||||
| 1564 | llvm::FunctionCallee | ||||||
| 1565 | CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1566 | assert((IVSize == 32 || IVSize == 64) &&(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1567, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1567 | "IV size is not compatible with the omp runtime")(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1567, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1568 | StringRef Name = | ||||||
| 1569 | IVSize == 32 | ||||||
| 1570 | ? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u") | ||||||
| 1571 | : (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u"); | ||||||
| 1572 | llvm::Type *TypeParams[] = { | ||||||
| 1573 | getIdentTyPointerTy(), // loc | ||||||
| 1574 | CGM.Int32Ty, // tid | ||||||
| 1575 | }; | ||||||
| 1576 | auto *FnTy = | ||||||
| 1577 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||||
| 1578 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1579 | } | ||||||
| 1580 | |||||||
| 1581 | llvm::FunctionCallee | ||||||
| 1582 | CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1583 | assert((IVSize == 32 || IVSize == 64) &&(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1584, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1584 | "IV size is not compatible with the omp runtime")(static_cast <bool> ((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime") ? void (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1584, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1585 | StringRef Name = | ||||||
| 1586 | IVSize == 32 | ||||||
| 1587 | ? (IVSigned ? "__kmpc_dispatch_next_4" : "__kmpc_dispatch_next_4u") | ||||||
| 1588 | : (IVSigned ? "__kmpc_dispatch_next_8" : "__kmpc_dispatch_next_8u"); | ||||||
| 1589 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1590 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||||
| 1591 | llvm::Type *TypeParams[] = { | ||||||
| 1592 | getIdentTyPointerTy(), // loc | ||||||
| 1593 | CGM.Int32Ty, // tid | ||||||
| 1594 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||||
| 1595 | PtrTy, // p_lower | ||||||
| 1596 | PtrTy, // p_upper | ||||||
| 1597 | PtrTy // p_stride | ||||||
| 1598 | }; | ||||||
| 1599 | auto *FnTy = | ||||||
| 1600 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||||
| 1601 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1602 | } | ||||||
| 1603 | |||||||
| 1604 | /// Obtain information that uniquely identifies a target entry. This | ||||||
| 1605 | /// consists of the file and device IDs as well as line number associated with | ||||||
| 1606 | /// the relevant entry source location. | ||||||
| 1607 | static llvm::TargetRegionEntryInfo | ||||||
| 1608 | getTargetEntryUniqueInfo(ASTContext &C, SourceLocation Loc, | ||||||
| 1609 | StringRef ParentName = "") { | ||||||
| 1610 | SourceManager &SM = C.getSourceManager(); | ||||||
| 1611 | |||||||
| 1612 | // The loc should be always valid and have a file ID (the user cannot use | ||||||
| 1613 | // #pragma directives in macros) | ||||||
| 1614 | |||||||
| 1615 | assert(Loc.isValid() && "Source location is expected to be always valid.")(static_cast <bool> (Loc.isValid() && "Source location is expected to be always valid." ) ? void (0) : __assert_fail ("Loc.isValid() && \"Source location is expected to be always valid.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1615, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1616 | |||||||
| 1617 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); | ||||||
| 1618 | assert(PLoc.isValid() && "Source location is expected to be always valid.")(static_cast <bool> (PLoc.isValid() && "Source location is expected to be always valid." ) ? void (0) : __assert_fail ("PLoc.isValid() && \"Source location is expected to be always valid.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1618, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1619 | |||||||
| 1620 | llvm::sys::fs::UniqueID ID; | ||||||
| 1621 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) { | ||||||
| 1622 | PLoc = SM.getPresumedLoc(Loc, /*UseLineDirectives=*/false); | ||||||
| 1623 | assert(PLoc.isValid() && "Source location is expected to be always valid.")(static_cast <bool> (PLoc.isValid() && "Source location is expected to be always valid." ) ? void (0) : __assert_fail ("PLoc.isValid() && \"Source location is expected to be always valid.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1623, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1624 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) | ||||||
| 1625 | SM.getDiagnostics().Report(diag::err_cannot_open_file) | ||||||
| 1626 | << PLoc.getFilename() << EC.message(); | ||||||
| 1627 | } | ||||||
| 1628 | |||||||
| 1629 | return llvm::TargetRegionEntryInfo(ParentName, ID.getDevice(), ID.getFile(), | ||||||
| 1630 | PLoc.getLine()); | ||||||
| 1631 | } | ||||||
| 1632 | |||||||
| 1633 | Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) { | ||||||
| 1634 | if (CGM.getLangOpts().OpenMPSimd) | ||||||
| 1635 | return Address::invalid(); | ||||||
| 1636 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 1637 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 1638 | if (Res && (*Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||||
| 1639 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 1640 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 1641 | HasRequiresUnifiedSharedMemory))) { | ||||||
| 1642 | SmallString<64> PtrName; | ||||||
| 1643 | { | ||||||
| 1644 | llvm::raw_svector_ostream OS(PtrName); | ||||||
| 1645 | OS << CGM.getMangledName(GlobalDecl(VD)); | ||||||
| 1646 | if (!VD->isExternallyVisible()) { | ||||||
| 1647 | auto EntryInfo = getTargetEntryUniqueInfo( | ||||||
| 1648 | CGM.getContext(), VD->getCanonicalDecl()->getBeginLoc()); | ||||||
| 1649 | OS << llvm::format("_%x", EntryInfo.FileID); | ||||||
| 1650 | } | ||||||
| 1651 | OS << "_decl_tgt_ref_ptr"; | ||||||
| 1652 | } | ||||||
| 1653 | llvm::Value *Ptr = CGM.getModule().getNamedValue(PtrName); | ||||||
| 1654 | QualType PtrTy = CGM.getContext().getPointerType(VD->getType()); | ||||||
| 1655 | llvm::Type *LlvmPtrTy = CGM.getTypes().ConvertTypeForMem(PtrTy); | ||||||
| 1656 | if (!Ptr) { | ||||||
| 1657 | Ptr = OMPBuilder.getOrCreateInternalVariable(LlvmPtrTy, PtrName); | ||||||
| 1658 | |||||||
| 1659 | auto *GV = cast<llvm::GlobalVariable>(Ptr); | ||||||
| 1660 | GV->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | ||||||
| 1661 | |||||||
| 1662 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 1663 | GV->setInitializer(CGM.GetAddrOfGlobal(VD)); | ||||||
| 1664 | registerTargetGlobalVariable(VD, cast<llvm::Constant>(Ptr)); | ||||||
| 1665 | } | ||||||
| 1666 | return Address(Ptr, LlvmPtrTy, CGM.getContext().getDeclAlign(VD)); | ||||||
| 1667 | } | ||||||
| 1668 | return Address::invalid(); | ||||||
| 1669 | } | ||||||
| 1670 | |||||||
| 1671 | llvm::Constant * | ||||||
| 1672 | CGOpenMPRuntime::getOrCreateThreadPrivateCache(const VarDecl *VD) { | ||||||
| 1673 | assert(!CGM.getLangOpts().OpenMPUseTLS ||(static_cast <bool> (!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()) ? void ( 0) : __assert_fail ("!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1674, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1674 | !CGM.getContext().getTargetInfo().isTLSSupported())(static_cast <bool> (!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()) ? void ( 0) : __assert_fail ("!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1674, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1675 | // Lookup the entry, lazily creating it if necessary. | ||||||
| 1676 | std::string Suffix = getName({"cache", ""}); | ||||||
| 1677 | return OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1678 | CGM.Int8PtrPtrTy, Twine(CGM.getMangledName(VD)).concat(Suffix).str()); | ||||||
| 1679 | } | ||||||
| 1680 | |||||||
| 1681 | Address CGOpenMPRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | ||||||
| 1682 | const VarDecl *VD, | ||||||
| 1683 | Address VDAddr, | ||||||
| 1684 | SourceLocation Loc) { | ||||||
| 1685 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1686 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||||
| 1687 | return VDAddr; | ||||||
| 1688 | |||||||
| 1689 | llvm::Type *VarTy = VDAddr.getElementType(); | ||||||
| 1690 | llvm::Value *Args[] = { | ||||||
| 1691 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 1692 | CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.Int8PtrTy), | ||||||
| 1693 | CGM.getSize(CGM.GetTargetTypeStoreSize(VarTy)), | ||||||
| 1694 | getOrCreateThreadPrivateCache(VD)}; | ||||||
| 1695 | return Address( | ||||||
| 1696 | CGF.EmitRuntimeCall( | ||||||
| 1697 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1698 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | ||||||
| 1699 | Args), | ||||||
| 1700 | CGF.Int8Ty, VDAddr.getAlignment()); | ||||||
| 1701 | } | ||||||
| 1702 | |||||||
| 1703 | void CGOpenMPRuntime::emitThreadPrivateVarInit( | ||||||
| 1704 | CodeGenFunction &CGF, Address VDAddr, llvm::Value *Ctor, | ||||||
| 1705 | llvm::Value *CopyCtor, llvm::Value *Dtor, SourceLocation Loc) { | ||||||
| 1706 | // Call kmp_int32 __kmpc_global_thread_num(&loc) to init OpenMP runtime | ||||||
| 1707 | // library. | ||||||
| 1708 | llvm::Value *OMPLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 1709 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1710 | CGM.getModule(), OMPRTL___kmpc_global_thread_num), | ||||||
| 1711 | OMPLoc); | ||||||
| 1712 | // Call __kmpc_threadprivate_register(&loc, &var, ctor, cctor/*NULL*/, dtor) | ||||||
| 1713 | // to register constructor/destructor for variable. | ||||||
| 1714 | llvm::Value *Args[] = { | ||||||
| 1715 | OMPLoc, CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.VoidPtrTy), | ||||||
| 1716 | Ctor, CopyCtor, Dtor}; | ||||||
| 1717 | CGF.EmitRuntimeCall( | ||||||
| 1718 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1719 | CGM.getModule(), OMPRTL___kmpc_threadprivate_register), | ||||||
| 1720 | Args); | ||||||
| 1721 | } | ||||||
| 1722 | |||||||
| 1723 | llvm::Function *CGOpenMPRuntime::emitThreadPrivateVarDefinition( | ||||||
| 1724 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, | ||||||
| 1725 | bool PerformInit, CodeGenFunction *CGF) { | ||||||
| 1726 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1727 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||||
| 1728 | return nullptr; | ||||||
| 1729 | |||||||
| 1730 | VD = VD->getDefinition(CGM.getContext()); | ||||||
| 1731 | if (VD && ThreadPrivateWithDefinition.insert(CGM.getMangledName(VD)).second) { | ||||||
| 1732 | QualType ASTTy = VD->getType(); | ||||||
| 1733 | |||||||
| 1734 | llvm::Value *Ctor = nullptr, *CopyCtor = nullptr, *Dtor = nullptr; | ||||||
| 1735 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 1736 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||||
| 1737 | // Generate function that re-emits the declaration's initializer into the | ||||||
| 1738 | // threadprivate copy of the variable VD | ||||||
| 1739 | CodeGenFunction CtorCGF(CGM); | ||||||
| 1740 | FunctionArgList Args; | ||||||
| 1741 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||||
| 1742 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||||
| 1743 | ImplicitParamDecl::Other); | ||||||
| 1744 | Args.push_back(&Dst); | ||||||
| 1745 | |||||||
| 1746 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||||
| 1747 | CGM.getContext().VoidPtrTy, Args); | ||||||
| 1748 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1749 | std::string Name = getName({"__kmpc_global_ctor_", ""}); | ||||||
| 1750 | llvm::Function *Fn = | ||||||
| 1751 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | ||||||
| 1752 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidPtrTy, Fn, FI, | ||||||
| 1753 | Args, Loc, Loc); | ||||||
| 1754 | llvm::Value *ArgVal = CtorCGF.EmitLoadOfScalar( | ||||||
| 1755 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||||
| 1756 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1757 | Address Arg(ArgVal, CtorCGF.Int8Ty, VDAddr.getAlignment()); | ||||||
| 1758 | Arg = CtorCGF.Builder.CreateElementBitCast( | ||||||
| 1759 | Arg, CtorCGF.ConvertTypeForMem(ASTTy)); | ||||||
| 1760 | CtorCGF.EmitAnyExprToMem(Init, Arg, Init->getType().getQualifiers(), | ||||||
| 1761 | /*IsInitializer=*/true); | ||||||
| 1762 | ArgVal = CtorCGF.EmitLoadOfScalar( | ||||||
| 1763 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||||
| 1764 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1765 | CtorCGF.Builder.CreateStore(ArgVal, CtorCGF.ReturnValue); | ||||||
| 1766 | CtorCGF.FinishFunction(); | ||||||
| 1767 | Ctor = Fn; | ||||||
| 1768 | } | ||||||
| 1769 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||||
| 1770 | // Generate function that emits destructor call for the threadprivate copy | ||||||
| 1771 | // of the variable VD | ||||||
| 1772 | CodeGenFunction DtorCGF(CGM); | ||||||
| 1773 | FunctionArgList Args; | ||||||
| 1774 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||||
| 1775 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||||
| 1776 | ImplicitParamDecl::Other); | ||||||
| 1777 | Args.push_back(&Dst); | ||||||
| 1778 | |||||||
| 1779 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||||
| 1780 | CGM.getContext().VoidTy, Args); | ||||||
| 1781 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1782 | std::string Name = getName({"__kmpc_global_dtor_", ""}); | ||||||
| 1783 | llvm::Function *Fn = | ||||||
| 1784 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | ||||||
| 1785 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||||
| 1786 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, Args, | ||||||
| 1787 | Loc, Loc); | ||||||
| 1788 | // Create a scope with an artificial location for the body of this function. | ||||||
| 1789 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||||
| 1790 | llvm::Value *ArgVal = DtorCGF.EmitLoadOfScalar( | ||||||
| 1791 | DtorCGF.GetAddrOfLocalVar(&Dst), | ||||||
| 1792 | /*Volatile=*/false, CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1793 | DtorCGF.emitDestroy( | ||||||
| 1794 | Address(ArgVal, DtorCGF.Int8Ty, VDAddr.getAlignment()), ASTTy, | ||||||
| 1795 | DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||||
| 1796 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||||
| 1797 | DtorCGF.FinishFunction(); | ||||||
| 1798 | Dtor = Fn; | ||||||
| 1799 | } | ||||||
| 1800 | // Do not emit init function if it is not required. | ||||||
| 1801 | if (!Ctor && !Dtor) | ||||||
| 1802 | return nullptr; | ||||||
| 1803 | |||||||
| 1804 | llvm::Type *CopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||||
| 1805 | auto *CopyCtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CopyCtorTyArgs, | ||||||
| 1806 | /*isVarArg=*/false) | ||||||
| 1807 | ->getPointerTo(); | ||||||
| 1808 | // Copying constructor for the threadprivate variable. | ||||||
| 1809 | // Must be NULL - reserved by runtime, but currently it requires that this | ||||||
| 1810 | // parameter is always NULL. Otherwise it fires assertion. | ||||||
| 1811 | CopyCtor = llvm::Constant::getNullValue(CopyCtorTy); | ||||||
| 1812 | if (Ctor == nullptr) { | ||||||
| 1813 | auto *CtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | ||||||
| 1814 | /*isVarArg=*/false) | ||||||
| 1815 | ->getPointerTo(); | ||||||
| 1816 | Ctor = llvm::Constant::getNullValue(CtorTy); | ||||||
| 1817 | } | ||||||
| 1818 | if (Dtor == nullptr) { | ||||||
| 1819 | auto *DtorTy = llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, | ||||||
| 1820 | /*isVarArg=*/false) | ||||||
| 1821 | ->getPointerTo(); | ||||||
| 1822 | Dtor = llvm::Constant::getNullValue(DtorTy); | ||||||
| 1823 | } | ||||||
| 1824 | if (!CGF) { | ||||||
| 1825 | auto *InitFunctionTy = | ||||||
| 1826 | llvm::FunctionType::get(CGM.VoidTy, /*isVarArg*/ false); | ||||||
| 1827 | std::string Name = getName({"__omp_threadprivate_init_", ""}); | ||||||
| 1828 | llvm::Function *InitFunction = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1829 | InitFunctionTy, Name, CGM.getTypes().arrangeNullaryFunction()); | ||||||
| 1830 | CodeGenFunction InitCGF(CGM); | ||||||
| 1831 | FunctionArgList ArgList; | ||||||
| 1832 | InitCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, InitFunction, | ||||||
| 1833 | CGM.getTypes().arrangeNullaryFunction(), ArgList, | ||||||
| 1834 | Loc, Loc); | ||||||
| 1835 | emitThreadPrivateVarInit(InitCGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||||
| 1836 | InitCGF.FinishFunction(); | ||||||
| 1837 | return InitFunction; | ||||||
| 1838 | } | ||||||
| 1839 | emitThreadPrivateVarInit(*CGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||||
| 1840 | } | ||||||
| 1841 | return nullptr; | ||||||
| 1842 | } | ||||||
| 1843 | |||||||
| 1844 | bool CGOpenMPRuntime::emitDeclareTargetVarDefinition(const VarDecl *VD, | ||||||
| 1845 | llvm::GlobalVariable *Addr, | ||||||
| 1846 | bool PerformInit) { | ||||||
| 1847 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | ||||||
| 1848 | !CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 1849 | return false; | ||||||
| 1850 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 1851 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 1852 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||||
| 1853 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 1854 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 1855 | HasRequiresUnifiedSharedMemory)) | ||||||
| 1856 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1857 | VD = VD->getDefinition(CGM.getContext()); | ||||||
| 1858 | assert(VD && "Unknown VarDecl")(static_cast <bool> (VD && "Unknown VarDecl") ? void (0) : __assert_fail ("VD && \"Unknown VarDecl\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1858, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1859 | |||||||
| 1860 | if (!DeclareTargetWithDefinition.insert(CGM.getMangledName(VD)).second) | ||||||
| 1861 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1862 | |||||||
| 1863 | QualType ASTTy = VD->getType(); | ||||||
| 1864 | SourceLocation Loc = VD->getCanonicalDecl()->getBeginLoc(); | ||||||
| 1865 | |||||||
| 1866 | // Produce the unique prefix to identify the new target regions. We use | ||||||
| 1867 | // the source location of the variable declaration which we know to not | ||||||
| 1868 | // conflict with any target region. | ||||||
| 1869 | auto EntryInfo = | ||||||
| 1870 | getTargetEntryUniqueInfo(CGM.getContext(), Loc, VD->getName()); | ||||||
| 1871 | SmallString<128> Buffer, Out; | ||||||
| 1872 | OMPBuilder.OffloadInfoManager.getTargetRegionEntryFnName(Buffer, EntryInfo); | ||||||
| 1873 | |||||||
| 1874 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 1875 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||||
| 1876 | llvm::Constant *Ctor; | ||||||
| 1877 | llvm::Constant *ID; | ||||||
| 1878 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 1879 | // Generate function that re-emits the declaration's initializer into | ||||||
| 1880 | // the threadprivate copy of the variable VD | ||||||
| 1881 | CodeGenFunction CtorCGF(CGM); | ||||||
| 1882 | |||||||
| 1883 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||||
| 1884 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1885 | llvm::Function *Fn = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1886 | FTy, Twine(Buffer, "_ctor"), FI, Loc, false, | ||||||
| 1887 | llvm::GlobalValue::WeakODRLinkage); | ||||||
| 1888 | Fn->setVisibility(llvm::GlobalValue::ProtectedVisibility); | ||||||
| 1889 | if (CGM.getTriple().isAMDGCN()) | ||||||
| 1890 | Fn->setCallingConv(llvm::CallingConv::AMDGPU_KERNEL); | ||||||
| 1891 | auto NL = ApplyDebugLocation::CreateEmpty(CtorCGF); | ||||||
| 1892 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||||
| 1893 | FunctionArgList(), Loc, Loc); | ||||||
| 1894 | auto AL = ApplyDebugLocation::CreateArtificial(CtorCGF); | ||||||
| 1895 | llvm::Constant *AddrInAS0 = Addr; | ||||||
| 1896 | if (Addr->getAddressSpace() != 0) | ||||||
| 1897 | AddrInAS0 = llvm::ConstantExpr::getAddrSpaceCast( | ||||||
| 1898 | Addr, llvm::PointerType::getWithSamePointeeType( | ||||||
| 1899 | cast<llvm::PointerType>(Addr->getType()), 0)); | ||||||
| 1900 | CtorCGF.EmitAnyExprToMem(Init, | ||||||
| 1901 | Address(AddrInAS0, Addr->getValueType(), | ||||||
| 1902 | CGM.getContext().getDeclAlign(VD)), | ||||||
| 1903 | Init->getType().getQualifiers(), | ||||||
| 1904 | /*IsInitializer=*/true); | ||||||
| 1905 | CtorCGF.FinishFunction(); | ||||||
| 1906 | Ctor = Fn; | ||||||
| 1907 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||||
| 1908 | } else { | ||||||
| 1909 | Ctor = new llvm::GlobalVariable( | ||||||
| 1910 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||||
| 1911 | llvm::GlobalValue::PrivateLinkage, | ||||||
| 1912 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_ctor")); | ||||||
| 1913 | ID = Ctor; | ||||||
| 1914 | } | ||||||
| 1915 | |||||||
| 1916 | // Register the information for the entry associated with the constructor. | ||||||
| 1917 | Out.clear(); | ||||||
| 1918 | auto CtorEntryInfo = EntryInfo; | ||||||
| 1919 | CtorEntryInfo.ParentName = Twine(Buffer, "_ctor").toStringRef(Out); | ||||||
| 1920 | OMPBuilder.OffloadInfoManager.registerTargetRegionEntryInfo( | ||||||
| 1921 | CtorEntryInfo, Ctor, ID, | ||||||
| 1922 | llvm::OffloadEntriesInfoManager::OMPTargetRegionEntryCtor); | ||||||
| 1923 | } | ||||||
| 1924 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||||
| 1925 | llvm::Constant *Dtor; | ||||||
| 1926 | llvm::Constant *ID; | ||||||
| 1927 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 1928 | // Generate function that emits destructor call for the threadprivate | ||||||
| 1929 | // copy of the variable VD | ||||||
| 1930 | CodeGenFunction DtorCGF(CGM); | ||||||
| 1931 | |||||||
| 1932 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||||
| 1933 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1934 | llvm::Function *Fn = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1935 | FTy, Twine(Buffer, "_dtor"), FI, Loc, false, | ||||||
| 1936 | llvm::GlobalValue::WeakODRLinkage); | ||||||
| 1937 | Fn->setVisibility(llvm::GlobalValue::ProtectedVisibility); | ||||||
| 1938 | if (CGM.getTriple().isAMDGCN()) | ||||||
| 1939 | Fn->setCallingConv(llvm::CallingConv::AMDGPU_KERNEL); | ||||||
| 1940 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||||
| 1941 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||||
| 1942 | FunctionArgList(), Loc, Loc); | ||||||
| 1943 | // Create a scope with an artificial location for the body of this | ||||||
| 1944 | // function. | ||||||
| 1945 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||||
| 1946 | llvm::Constant *AddrInAS0 = Addr; | ||||||
| 1947 | if (Addr->getAddressSpace() != 0) | ||||||
| 1948 | AddrInAS0 = llvm::ConstantExpr::getAddrSpaceCast( | ||||||
| 1949 | Addr, llvm::PointerType::getWithSamePointeeType( | ||||||
| 1950 | cast<llvm::PointerType>(Addr->getType()), 0)); | ||||||
| 1951 | DtorCGF.emitDestroy(Address(AddrInAS0, Addr->getValueType(), | ||||||
| 1952 | CGM.getContext().getDeclAlign(VD)), | ||||||
| 1953 | ASTTy, DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||||
| 1954 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||||
| 1955 | DtorCGF.FinishFunction(); | ||||||
| 1956 | Dtor = Fn; | ||||||
| 1957 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||||
| 1958 | } else { | ||||||
| 1959 | Dtor = new llvm::GlobalVariable( | ||||||
| 1960 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||||
| 1961 | llvm::GlobalValue::PrivateLinkage, | ||||||
| 1962 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_dtor")); | ||||||
| 1963 | ID = Dtor; | ||||||
| 1964 | } | ||||||
| 1965 | // Register the information for the entry associated with the destructor. | ||||||
| 1966 | Out.clear(); | ||||||
| 1967 | auto DtorEntryInfo = EntryInfo; | ||||||
| 1968 | DtorEntryInfo.ParentName = Twine(Buffer, "_dtor").toStringRef(Out); | ||||||
| 1969 | OMPBuilder.OffloadInfoManager.registerTargetRegionEntryInfo( | ||||||
| 1970 | DtorEntryInfo, Dtor, ID, | ||||||
| 1971 | llvm::OffloadEntriesInfoManager::OMPTargetRegionEntryDtor); | ||||||
| 1972 | } | ||||||
| 1973 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1974 | } | ||||||
| 1975 | |||||||
| 1976 | Address CGOpenMPRuntime::getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, | ||||||
| 1977 | QualType VarType, | ||||||
| 1978 | StringRef Name) { | ||||||
| 1979 | std::string Suffix = getName({"artificial", ""}); | ||||||
| 1980 | llvm::Type *VarLVType = CGF.ConvertTypeForMem(VarType); | ||||||
| 1981 | llvm::GlobalVariable *GAddr = OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1982 | VarLVType, Twine(Name).concat(Suffix).str()); | ||||||
| 1983 | if (CGM.getLangOpts().OpenMP && CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1984 | CGM.getTarget().isTLSSupported()) { | ||||||
| 1985 | GAddr->setThreadLocal(/*Val=*/true); | ||||||
| 1986 | return Address(GAddr, GAddr->getValueType(), | ||||||
| 1987 | CGM.getContext().getTypeAlignInChars(VarType)); | ||||||
| 1988 | } | ||||||
| 1989 | std::string CacheSuffix = getName({"cache", ""}); | ||||||
| 1990 | llvm::Value *Args[] = { | ||||||
| 1991 | emitUpdateLocation(CGF, SourceLocation()), | ||||||
| 1992 | getThreadID(CGF, SourceLocation()), | ||||||
| 1993 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy), | ||||||
| 1994 | CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy, | ||||||
| 1995 | /*isSigned=*/false), | ||||||
| 1996 | OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1997 | CGM.VoidPtrPtrTy, | ||||||
| 1998 | Twine(Name).concat(Suffix).concat(CacheSuffix).str())}; | ||||||
| 1999 | return Address( | ||||||
| 2000 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2001 | CGF.EmitRuntimeCall( | ||||||
| 2002 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2003 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | ||||||
| 2004 | Args), | ||||||
| 2005 | VarLVType->getPointerTo(/*AddrSpace=*/0)), | ||||||
| 2006 | VarLVType, CGM.getContext().getTypeAlignInChars(VarType)); | ||||||
| 2007 | } | ||||||
| 2008 | |||||||
| 2009 | void CGOpenMPRuntime::emitIfClause(CodeGenFunction &CGF, const Expr *Cond, | ||||||
| 2010 | const RegionCodeGenTy &ThenGen, | ||||||
| 2011 | const RegionCodeGenTy &ElseGen) { | ||||||
| 2012 | CodeGenFunction::LexicalScope ConditionScope(CGF, Cond->getSourceRange()); | ||||||
| 2013 | |||||||
| 2014 | // If the condition constant folds and can be elided, try to avoid emitting | ||||||
| 2015 | // the condition and the dead arm of the if/else. | ||||||
| 2016 | bool CondConstant; | ||||||
| 2017 | if (CGF.ConstantFoldsToSimpleInteger(Cond, CondConstant)) { | ||||||
| 2018 | if (CondConstant) | ||||||
| 2019 | ThenGen(CGF); | ||||||
| 2020 | else | ||||||
| 2021 | ElseGen(CGF); | ||||||
| 2022 | return; | ||||||
| 2023 | } | ||||||
| 2024 | |||||||
| 2025 | // Otherwise, the condition did not fold, or we couldn't elide it. Just | ||||||
| 2026 | // emit the conditional branch. | ||||||
| 2027 | llvm::BasicBlock *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||||
| 2028 | llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); | ||||||
| 2029 | llvm::BasicBlock *ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||||
| 2030 | CGF.EmitBranchOnBoolExpr(Cond, ThenBlock, ElseBlock, /*TrueCount=*/0); | ||||||
| 2031 | |||||||
| 2032 | // Emit the 'then' code. | ||||||
| 2033 | CGF.EmitBlock(ThenBlock); | ||||||
| 2034 | ThenGen(CGF); | ||||||
| 2035 | CGF.EmitBranch(ContBlock); | ||||||
| 2036 | // Emit the 'else' code if present. | ||||||
| 2037 | // There is no need to emit line number for unconditional branch. | ||||||
| 2038 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||||
| 2039 | CGF.EmitBlock(ElseBlock); | ||||||
| 2040 | ElseGen(CGF); | ||||||
| 2041 | // There is no need to emit line number for unconditional branch. | ||||||
| 2042 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||||
| 2043 | CGF.EmitBranch(ContBlock); | ||||||
| 2044 | // Emit the continuation block for code after the if. | ||||||
| 2045 | CGF.EmitBlock(ContBlock, /*IsFinished=*/true); | ||||||
| 2046 | } | ||||||
| 2047 | |||||||
| 2048 | void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2049 | llvm::Function *OutlinedFn, | ||||||
| 2050 | ArrayRef<llvm::Value *> CapturedVars, | ||||||
| 2051 | const Expr *IfCond, | ||||||
| 2052 | llvm::Value *NumThreads) { | ||||||
| 2053 | if (!CGF.HaveInsertPoint()) | ||||||
| 2054 | return; | ||||||
| 2055 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 2056 | auto &M = CGM.getModule(); | ||||||
| 2057 | auto &&ThenGen = [&M, OutlinedFn, CapturedVars, RTLoc, | ||||||
| 2058 | this](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 2059 | // Build call __kmpc_fork_call(loc, n, microtask, var1, .., varn); | ||||||
| 2060 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 2061 | llvm::Value *Args[] = { | ||||||
| 2062 | RTLoc, | ||||||
| 2063 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | ||||||
| 2064 | CGF.Builder.CreateBitCast(OutlinedFn, RT.getKmpc_MicroPointerTy())}; | ||||||
| 2065 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | ||||||
| 2066 | RealArgs.append(std::begin(Args), std::end(Args)); | ||||||
| 2067 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||||
| 2068 | |||||||
| 2069 | llvm::FunctionCallee RTLFn = | ||||||
| 2070 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_fork_call); | ||||||
| 2071 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | ||||||
| 2072 | }; | ||||||
| 2073 | auto &&ElseGen = [&M, OutlinedFn, CapturedVars, RTLoc, Loc, | ||||||
| 2074 | this](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 2075 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 2076 | llvm::Value *ThreadID = RT.getThreadID(CGF, Loc); | ||||||
| 2077 | // Build calls: | ||||||
| 2078 | // __kmpc_serialized_parallel(&Loc, GTid); | ||||||
| 2079 | llvm::Value *Args[] = {RTLoc, ThreadID}; | ||||||
| 2080 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2081 | M, OMPRTL___kmpc_serialized_parallel), | ||||||
| 2082 | Args); | ||||||
| 2083 | |||||||
| 2084 | // OutlinedFn(>id, &zero_bound, CapturedStruct); | ||||||
| 2085 | Address ThreadIDAddr = RT.emitThreadIDAddress(CGF, Loc); | ||||||
| 2086 | Address ZeroAddrBound = | ||||||
| 2087 | CGF.CreateDefaultAlignTempAlloca(CGF.Int32Ty, | ||||||
| 2088 | /*Name=*/".bound.zero.addr"); | ||||||
| 2089 | CGF.Builder.CreateStore(CGF.Builder.getInt32(/*C*/ 0), ZeroAddrBound); | ||||||
| 2090 | llvm::SmallVector<llvm::Value *, 16> OutlinedFnArgs; | ||||||
| 2091 | // ThreadId for serialized parallels is 0. | ||||||
| 2092 | OutlinedFnArgs.push_back(ThreadIDAddr.getPointer()); | ||||||
| 2093 | OutlinedFnArgs.push_back(ZeroAddrBound.getPointer()); | ||||||
| 2094 | OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||||
| 2095 | |||||||
| 2096 | // Ensure we do not inline the function. This is trivially true for the ones | ||||||
| 2097 | // passed to __kmpc_fork_call but the ones called in serialized regions | ||||||
| 2098 | // could be inlined. This is not a perfect but it is closer to the invariant | ||||||
| 2099 | // we want, namely, every data environment starts with a new function. | ||||||
| 2100 | // TODO: We should pass the if condition to the runtime function and do the | ||||||
| 2101 | // handling there. Much cleaner code. | ||||||
| 2102 | OutlinedFn->removeFnAttr(llvm::Attribute::AlwaysInline); | ||||||
| 2103 | OutlinedFn->addFnAttr(llvm::Attribute::NoInline); | ||||||
| 2104 | RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs); | ||||||
| 2105 | |||||||
| 2106 | // __kmpc_end_serialized_parallel(&Loc, GTid); | ||||||
| 2107 | llvm::Value *EndArgs[] = {RT.emitUpdateLocation(CGF, Loc), ThreadID}; | ||||||
| 2108 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2109 | M, OMPRTL___kmpc_end_serialized_parallel), | ||||||
| 2110 | EndArgs); | ||||||
| 2111 | }; | ||||||
| 2112 | if (IfCond) { | ||||||
| 2113 | emitIfClause(CGF, IfCond, ThenGen, ElseGen); | ||||||
| 2114 | } else { | ||||||
| 2115 | RegionCodeGenTy ThenRCG(ThenGen); | ||||||
| 2116 | ThenRCG(CGF); | ||||||
| 2117 | } | ||||||
| 2118 | } | ||||||
| 2119 | |||||||
| 2120 | // If we're inside an (outlined) parallel region, use the region info's | ||||||
| 2121 | // thread-ID variable (it is passed in a first argument of the outlined function | ||||||
| 2122 | // as "kmp_int32 *gtid"). Otherwise, if we're not inside parallel region, but in | ||||||
| 2123 | // regular serial code region, get thread ID by calling kmp_int32 | ||||||
| 2124 | // kmpc_global_thread_num(ident_t *loc), stash this thread ID in a temporary and | ||||||
| 2125 | // return the address of that temp. | ||||||
| 2126 | Address CGOpenMPRuntime::emitThreadIDAddress(CodeGenFunction &CGF, | ||||||
| 2127 | SourceLocation Loc) { | ||||||
| 2128 | if (auto *OMPRegionInfo = | ||||||
| 2129 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 2130 | if (OMPRegionInfo->getThreadIDVariable()) | ||||||
| 2131 | return OMPRegionInfo->getThreadIDVariableLValue(CGF).getAddress(CGF); | ||||||
| 2132 | |||||||
| 2133 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 2134 | QualType Int32Ty = | ||||||
| 2135 | CGF.getContext().getIntTypeForBitwidth(/*DestWidth*/ 32, /*Signed*/ true); | ||||||
| 2136 | Address ThreadIDTemp = CGF.CreateMemTemp(Int32Ty, /*Name*/ ".threadid_temp."); | ||||||
| 2137 | CGF.EmitStoreOfScalar(ThreadID, | ||||||
| 2138 | CGF.MakeAddrLValue(ThreadIDTemp, Int32Ty)); | ||||||
| 2139 | |||||||
| 2140 | return ThreadIDTemp; | ||||||
| 2141 | } | ||||||
| 2142 | |||||||
| 2143 | llvm::Value *CGOpenMPRuntime::getCriticalRegionLock(StringRef CriticalName) { | ||||||
| 2144 | std::string Prefix = Twine("gomp_critical_user_", CriticalName).str(); | ||||||
| 2145 | std::string Name = getName({Prefix, "var"}); | ||||||
| 2146 | return OMPBuilder.getOrCreateInternalVariable(KmpCriticalNameTy, Name); | ||||||
| 2147 | } | ||||||
| 2148 | |||||||
| 2149 | namespace { | ||||||
| 2150 | /// Common pre(post)-action for different OpenMP constructs. | ||||||
| 2151 | class CommonActionTy final : public PrePostActionTy { | ||||||
| 2152 | llvm::FunctionCallee EnterCallee; | ||||||
| 2153 | ArrayRef<llvm::Value *> EnterArgs; | ||||||
| 2154 | llvm::FunctionCallee ExitCallee; | ||||||
| 2155 | ArrayRef<llvm::Value *> ExitArgs; | ||||||
| 2156 | bool Conditional; | ||||||
| 2157 | llvm::BasicBlock *ContBlock = nullptr; | ||||||
| 2158 | |||||||
| 2159 | public: | ||||||
| 2160 | CommonActionTy(llvm::FunctionCallee EnterCallee, | ||||||
| 2161 | ArrayRef<llvm::Value *> EnterArgs, | ||||||
| 2162 | llvm::FunctionCallee ExitCallee, | ||||||
| 2163 | ArrayRef<llvm::Value *> ExitArgs, bool Conditional = false) | ||||||
| 2164 | : EnterCallee(EnterCallee), EnterArgs(EnterArgs), ExitCallee(ExitCallee), | ||||||
| 2165 | ExitArgs(ExitArgs), Conditional(Conditional) {} | ||||||
| 2166 | void Enter(CodeGenFunction &CGF) override { | ||||||
| 2167 | llvm::Value *EnterRes = CGF.EmitRuntimeCall(EnterCallee, EnterArgs); | ||||||
| 2168 | if (Conditional) { | ||||||
| 2169 | llvm::Value *CallBool = CGF.Builder.CreateIsNotNull(EnterRes); | ||||||
| 2170 | auto *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||||
| 2171 | ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||||
| 2172 | // Generate the branch (If-stmt) | ||||||
| 2173 | CGF.Builder.CreateCondBr(CallBool, ThenBlock, ContBlock); | ||||||
| 2174 | CGF.EmitBlock(ThenBlock); | ||||||
| 2175 | } | ||||||
| 2176 | } | ||||||
| 2177 | void Done(CodeGenFunction &CGF) { | ||||||
| 2178 | // Emit the rest of blocks/branches | ||||||
| 2179 | CGF.EmitBranch(ContBlock); | ||||||
| 2180 | CGF.EmitBlock(ContBlock, true); | ||||||
| 2181 | } | ||||||
| 2182 | void Exit(CodeGenFunction &CGF) override { | ||||||
| 2183 | CGF.EmitRuntimeCall(ExitCallee, ExitArgs); | ||||||
| 2184 | } | ||||||
| 2185 | }; | ||||||
| 2186 | } // anonymous namespace | ||||||
| 2187 | |||||||
| 2188 | void CGOpenMPRuntime::emitCriticalRegion(CodeGenFunction &CGF, | ||||||
| 2189 | StringRef CriticalName, | ||||||
| 2190 | const RegionCodeGenTy &CriticalOpGen, | ||||||
| 2191 | SourceLocation Loc, const Expr *Hint) { | ||||||
| 2192 | // __kmpc_critical[_with_hint](ident_t *, gtid, Lock[, hint]); | ||||||
| 2193 | // CriticalOpGen(); | ||||||
| 2194 | // __kmpc_end_critical(ident_t *, gtid, Lock); | ||||||
| 2195 | // Prepare arguments and build a call to __kmpc_critical | ||||||
| 2196 | if (!CGF.HaveInsertPoint()) | ||||||
| 2197 | return; | ||||||
| 2198 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2199 | getCriticalRegionLock(CriticalName)}; | ||||||
| 2200 | llvm::SmallVector<llvm::Value *, 4> EnterArgs(std::begin(Args), | ||||||
| 2201 | std::end(Args)); | ||||||
| 2202 | if (Hint) { | ||||||
| 2203 | EnterArgs.push_back(CGF.Builder.CreateIntCast( | ||||||
| 2204 | CGF.EmitScalarExpr(Hint), CGM.Int32Ty, /*isSigned=*/false)); | ||||||
| 2205 | } | ||||||
| 2206 | CommonActionTy Action( | ||||||
| 2207 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2208 | CGM.getModule(), | ||||||
| 2209 | Hint ? OMPRTL___kmpc_critical_with_hint : OMPRTL___kmpc_critical), | ||||||
| 2210 | EnterArgs, | ||||||
| 2211 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 2212 | OMPRTL___kmpc_end_critical), | ||||||
| 2213 | Args); | ||||||
| 2214 | CriticalOpGen.setAction(Action); | ||||||
| 2215 | emitInlinedDirective(CGF, OMPD_critical, CriticalOpGen); | ||||||
| 2216 | } | ||||||
| 2217 | |||||||
| 2218 | void CGOpenMPRuntime::emitMasterRegion(CodeGenFunction &CGF, | ||||||
| 2219 | const RegionCodeGenTy &MasterOpGen, | ||||||
| 2220 | SourceLocation Loc) { | ||||||
| 2221 | if (!CGF.HaveInsertPoint()) | ||||||
| 2222 | return; | ||||||
| 2223 | // if(__kmpc_master(ident_t *, gtid)) { | ||||||
| 2224 | // MasterOpGen(); | ||||||
| 2225 | // __kmpc_end_master(ident_t *, gtid); | ||||||
| 2226 | // } | ||||||
| 2227 | // Prepare arguments and build a call to __kmpc_master | ||||||
| 2228 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2229 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2230 | CGM.getModule(), OMPRTL___kmpc_master), | ||||||
| 2231 | Args, | ||||||
| 2232 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2233 | CGM.getModule(), OMPRTL___kmpc_end_master), | ||||||
| 2234 | Args, | ||||||
| 2235 | /*Conditional=*/true); | ||||||
| 2236 | MasterOpGen.setAction(Action); | ||||||
| 2237 | emitInlinedDirective(CGF, OMPD_master, MasterOpGen); | ||||||
| 2238 | Action.Done(CGF); | ||||||
| 2239 | } | ||||||
| 2240 | |||||||
| 2241 | void CGOpenMPRuntime::emitMaskedRegion(CodeGenFunction &CGF, | ||||||
| 2242 | const RegionCodeGenTy &MaskedOpGen, | ||||||
| 2243 | SourceLocation Loc, const Expr *Filter) { | ||||||
| 2244 | if (!CGF.HaveInsertPoint()) | ||||||
| 2245 | return; | ||||||
| 2246 | // if(__kmpc_masked(ident_t *, gtid, filter)) { | ||||||
| 2247 | // MaskedOpGen(); | ||||||
| 2248 | // __kmpc_end_masked(iden_t *, gtid); | ||||||
| 2249 | // } | ||||||
| 2250 | // Prepare arguments and build a call to __kmpc_masked | ||||||
| 2251 | llvm::Value *FilterVal = Filter | ||||||
| 2252 | ? CGF.EmitScalarExpr(Filter, CGF.Int32Ty) | ||||||
| 2253 | : llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/0); | ||||||
| 2254 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2255 | FilterVal}; | ||||||
| 2256 | llvm::Value *ArgsEnd[] = {emitUpdateLocation(CGF, Loc), | ||||||
| 2257 | getThreadID(CGF, Loc)}; | ||||||
| 2258 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2259 | CGM.getModule(), OMPRTL___kmpc_masked), | ||||||
| 2260 | Args, | ||||||
| 2261 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2262 | CGM.getModule(), OMPRTL___kmpc_end_masked), | ||||||
| 2263 | ArgsEnd, | ||||||
| 2264 | /*Conditional=*/true); | ||||||
| 2265 | MaskedOpGen.setAction(Action); | ||||||
| 2266 | emitInlinedDirective(CGF, OMPD_masked, MaskedOpGen); | ||||||
| 2267 | Action.Done(CGF); | ||||||
| 2268 | } | ||||||
| 2269 | |||||||
| 2270 | void CGOpenMPRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | ||||||
| 2271 | SourceLocation Loc) { | ||||||
| 2272 | if (!CGF.HaveInsertPoint()) | ||||||
| 2273 | return; | ||||||
| 2274 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2275 | OMPBuilder.createTaskyield(CGF.Builder); | ||||||
| 2276 | } else { | ||||||
| 2277 | // Build call __kmpc_omp_taskyield(loc, thread_id, 0); | ||||||
| 2278 | llvm::Value *Args[] = { | ||||||
| 2279 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2280 | llvm::ConstantInt::get(CGM.IntTy, /*V=*/0, /*isSigned=*/true)}; | ||||||
| 2281 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2282 | CGM.getModule(), OMPRTL___kmpc_omp_taskyield), | ||||||
| 2283 | Args); | ||||||
| 2284 | } | ||||||
| 2285 | |||||||
| 2286 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 2287 | Region->emitUntiedSwitch(CGF); | ||||||
| 2288 | } | ||||||
| 2289 | |||||||
| 2290 | void CGOpenMPRuntime::emitTaskgroupRegion(CodeGenFunction &CGF, | ||||||
| 2291 | const RegionCodeGenTy &TaskgroupOpGen, | ||||||
| 2292 | SourceLocation Loc) { | ||||||
| 2293 | if (!CGF.HaveInsertPoint()) | ||||||
| 2294 | return; | ||||||
| 2295 | // __kmpc_taskgroup(ident_t *, gtid); | ||||||
| 2296 | // TaskgroupOpGen(); | ||||||
| 2297 | // __kmpc_end_taskgroup(ident_t *, gtid); | ||||||
| 2298 | // Prepare arguments and build a call to __kmpc_taskgroup | ||||||
| 2299 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2300 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2301 | CGM.getModule(), OMPRTL___kmpc_taskgroup), | ||||||
| 2302 | Args, | ||||||
| 2303 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2304 | CGM.getModule(), OMPRTL___kmpc_end_taskgroup), | ||||||
| 2305 | Args); | ||||||
| 2306 | TaskgroupOpGen.setAction(Action); | ||||||
| 2307 | emitInlinedDirective(CGF, OMPD_taskgroup, TaskgroupOpGen); | ||||||
| 2308 | } | ||||||
| 2309 | |||||||
| 2310 | /// Given an array of pointers to variables, project the address of a | ||||||
| 2311 | /// given variable. | ||||||
| 2312 | static Address emitAddrOfVarFromArray(CodeGenFunction &CGF, Address Array, | ||||||
| 2313 | unsigned Index, const VarDecl *Var) { | ||||||
| 2314 | // Pull out the pointer to the variable. | ||||||
| 2315 | Address PtrAddr = CGF.Builder.CreateConstArrayGEP(Array, Index); | ||||||
| 2316 | llvm::Value *Ptr = CGF.Builder.CreateLoad(PtrAddr); | ||||||
| 2317 | |||||||
| 2318 | llvm::Type *ElemTy = CGF.ConvertTypeForMem(Var->getType()); | ||||||
| 2319 | return Address( | ||||||
| 2320 | CGF.Builder.CreateBitCast( | ||||||
| 2321 | Ptr, ElemTy->getPointerTo(Ptr->getType()->getPointerAddressSpace())), | ||||||
| 2322 | ElemTy, CGF.getContext().getDeclAlign(Var)); | ||||||
| 2323 | } | ||||||
| 2324 | |||||||
| 2325 | static llvm::Value *emitCopyprivateCopyFunction( | ||||||
| 2326 | CodeGenModule &CGM, llvm::Type *ArgsElemType, | ||||||
| 2327 | ArrayRef<const Expr *> CopyprivateVars, ArrayRef<const Expr *> DestExprs, | ||||||
| 2328 | ArrayRef<const Expr *> SrcExprs, ArrayRef<const Expr *> AssignmentOps, | ||||||
| 2329 | SourceLocation Loc) { | ||||||
| 2330 | ASTContext &C = CGM.getContext(); | ||||||
| 2331 | // void copy_func(void *LHSArg, void *RHSArg); | ||||||
| 2332 | FunctionArgList Args; | ||||||
| 2333 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 2334 | ImplicitParamDecl::Other); | ||||||
| 2335 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 2336 | ImplicitParamDecl::Other); | ||||||
| 2337 | Args.push_back(&LHSArg); | ||||||
| 2338 | Args.push_back(&RHSArg); | ||||||
| 2339 | const auto &CGFI = | ||||||
| 2340 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 2341 | std::string Name = | ||||||
| 2342 | CGM.getOpenMPRuntime().getName({"omp", "copyprivate", "copy_func"}); | ||||||
| 2343 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||||
| 2344 | llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 2345 | &CGM.getModule()); | ||||||
| 2346 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||||
| 2347 | Fn->setDoesNotRecurse(); | ||||||
| 2348 | CodeGenFunction CGF(CGM); | ||||||
| 2349 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||||
| 2350 | // Dest = (void*[n])(LHSArg); | ||||||
| 2351 | // Src = (void*[n])(RHSArg); | ||||||
| 2352 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2353 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||||
| 2354 | ArgsElemType->getPointerTo()), | ||||||
| 2355 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 2356 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2357 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||||
| 2358 | ArgsElemType->getPointerTo()), | ||||||
| 2359 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 2360 | // *(Type0*)Dst[0] = *(Type0*)Src[0]; | ||||||
| 2361 | // *(Type1*)Dst[1] = *(Type1*)Src[1]; | ||||||
| 2362 | // ... | ||||||
| 2363 | // *(Typen*)Dst[n] = *(Typen*)Src[n]; | ||||||
| 2364 | for (unsigned I = 0, E = AssignmentOps.size(); I < E; ++I) { | ||||||
| 2365 | const auto *DestVar = | ||||||
| 2366 | cast<VarDecl>(cast<DeclRefExpr>(DestExprs[I])->getDecl()); | ||||||
| 2367 | Address DestAddr = emitAddrOfVarFromArray(CGF, LHS, I, DestVar); | ||||||
| 2368 | |||||||
| 2369 | const auto *SrcVar = | ||||||
| 2370 | cast<VarDecl>(cast<DeclRefExpr>(SrcExprs[I])->getDecl()); | ||||||
| 2371 | Address SrcAddr = emitAddrOfVarFromArray(CGF, RHS, I, SrcVar); | ||||||
| 2372 | |||||||
| 2373 | const auto *VD = cast<DeclRefExpr>(CopyprivateVars[I])->getDecl(); | ||||||
| 2374 | QualType Type = VD->getType(); | ||||||
| 2375 | CGF.EmitOMPCopy(Type, DestAddr, SrcAddr, DestVar, SrcVar, AssignmentOps[I]); | ||||||
| 2376 | } | ||||||
| 2377 | CGF.FinishFunction(); | ||||||
| 2378 | return Fn; | ||||||
| 2379 | } | ||||||
| 2380 | |||||||
| 2381 | void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF, | ||||||
| 2382 | const RegionCodeGenTy &SingleOpGen, | ||||||
| 2383 | SourceLocation Loc, | ||||||
| 2384 | ArrayRef<const Expr *> CopyprivateVars, | ||||||
| 2385 | ArrayRef<const Expr *> SrcExprs, | ||||||
| 2386 | ArrayRef<const Expr *> DstExprs, | ||||||
| 2387 | ArrayRef<const Expr *> AssignmentOps) { | ||||||
| 2388 | if (!CGF.HaveInsertPoint()) | ||||||
| 2389 | return; | ||||||
| 2390 | assert(CopyprivateVars.size() == SrcExprs.size() &&(static_cast <bool> (CopyprivateVars.size() == SrcExprs .size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? void (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2392, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2391 | CopyprivateVars.size() == DstExprs.size() &&(static_cast <bool> (CopyprivateVars.size() == SrcExprs .size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? void (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2392, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2392 | CopyprivateVars.size() == AssignmentOps.size())(static_cast <bool> (CopyprivateVars.size() == SrcExprs .size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? void (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2392, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2393 | ASTContext &C = CGM.getContext(); | ||||||
| 2394 | // int32 did_it = 0; | ||||||
| 2395 | // if(__kmpc_single(ident_t *, gtid)) { | ||||||
| 2396 | // SingleOpGen(); | ||||||
| 2397 | // __kmpc_end_single(ident_t *, gtid); | ||||||
| 2398 | // did_it = 1; | ||||||
| 2399 | // } | ||||||
| 2400 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||||
| 2401 | // <copy_func>, did_it); | ||||||
| 2402 | |||||||
| 2403 | Address DidIt = Address::invalid(); | ||||||
| 2404 | if (!CopyprivateVars.empty()) { | ||||||
| 2405 | // int32 did_it = 0; | ||||||
| 2406 | QualType KmpInt32Ty = | ||||||
| 2407 | C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||||
| 2408 | DidIt = CGF.CreateMemTemp(KmpInt32Ty, ".omp.copyprivate.did_it"); | ||||||
| 2409 | CGF.Builder.CreateStore(CGF.Builder.getInt32(0), DidIt); | ||||||
| 2410 | } | ||||||
| 2411 | // Prepare arguments and build a call to __kmpc_single | ||||||
| 2412 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2413 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2414 | CGM.getModule(), OMPRTL___kmpc_single), | ||||||
| 2415 | Args, | ||||||
| 2416 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2417 | CGM.getModule(), OMPRTL___kmpc_end_single), | ||||||
| 2418 | Args, | ||||||
| 2419 | /*Conditional=*/true); | ||||||
| 2420 | SingleOpGen.setAction(Action); | ||||||
| 2421 | emitInlinedDirective(CGF, OMPD_single, SingleOpGen); | ||||||
| 2422 | if (DidIt.isValid()) { | ||||||
| 2423 | // did_it = 1; | ||||||
| 2424 | CGF.Builder.CreateStore(CGF.Builder.getInt32(1), DidIt); | ||||||
| 2425 | } | ||||||
| 2426 | Action.Done(CGF); | ||||||
| 2427 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||||
| 2428 | // <copy_func>, did_it); | ||||||
| 2429 | if (DidIt.isValid()) { | ||||||
| 2430 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, CopyprivateVars.size()); | ||||||
| 2431 | QualType CopyprivateArrayTy = C.getConstantArrayType( | ||||||
| 2432 | C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||||
| 2433 | /*IndexTypeQuals=*/0); | ||||||
| 2434 | // Create a list of all private variables for copyprivate. | ||||||
| 2435 | Address CopyprivateList = | ||||||
| 2436 | CGF.CreateMemTemp(CopyprivateArrayTy, ".omp.copyprivate.cpr_list"); | ||||||
| 2437 | for (unsigned I = 0, E = CopyprivateVars.size(); I < E; ++I) { | ||||||
| 2438 | Address Elem = CGF.Builder.CreateConstArrayGEP(CopyprivateList, I); | ||||||
| 2439 | CGF.Builder.CreateStore( | ||||||
| 2440 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2441 | CGF.EmitLValue(CopyprivateVars[I]).getPointer(CGF), | ||||||
| 2442 | CGF.VoidPtrTy), | ||||||
| 2443 | Elem); | ||||||
| 2444 | } | ||||||
| 2445 | // Build function that copies private values from single region to all other | ||||||
| 2446 | // threads in the corresponding parallel region. | ||||||
| 2447 | llvm::Value *CpyFn = emitCopyprivateCopyFunction( | ||||||
| 2448 | CGM, CGF.ConvertTypeForMem(CopyprivateArrayTy), CopyprivateVars, | ||||||
| 2449 | SrcExprs, DstExprs, AssignmentOps, Loc); | ||||||
| 2450 | llvm::Value *BufSize = CGF.getTypeSize(CopyprivateArrayTy); | ||||||
| 2451 | Address CL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2452 | CopyprivateList, CGF.VoidPtrTy, CGF.Int8Ty); | ||||||
| 2453 | llvm::Value *DidItVal = CGF.Builder.CreateLoad(DidIt); | ||||||
| 2454 | llvm::Value *Args[] = { | ||||||
| 2455 | emitUpdateLocation(CGF, Loc), // ident_t *<loc> | ||||||
| 2456 | getThreadID(CGF, Loc), // i32 <gtid> | ||||||
| 2457 | BufSize, // size_t <buf_size> | ||||||
| 2458 | CL.getPointer(), // void *<copyprivate list> | ||||||
| 2459 | CpyFn, // void (*) (void *, void *) <copy_func> | ||||||
| 2460 | DidItVal // i32 did_it | ||||||
| 2461 | }; | ||||||
| 2462 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2463 | CGM.getModule(), OMPRTL___kmpc_copyprivate), | ||||||
| 2464 | Args); | ||||||
| 2465 | } | ||||||
| 2466 | } | ||||||
| 2467 | |||||||
| 2468 | void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF, | ||||||
| 2469 | const RegionCodeGenTy &OrderedOpGen, | ||||||
| 2470 | SourceLocation Loc, bool IsThreads) { | ||||||
| 2471 | if (!CGF.HaveInsertPoint()) | ||||||
| 2472 | return; | ||||||
| 2473 | // __kmpc_ordered(ident_t *, gtid); | ||||||
| 2474 | // OrderedOpGen(); | ||||||
| 2475 | // __kmpc_end_ordered(ident_t *, gtid); | ||||||
| 2476 | // Prepare arguments and build a call to __kmpc_ordered | ||||||
| 2477 | if (IsThreads) { | ||||||
| 2478 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2479 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2480 | CGM.getModule(), OMPRTL___kmpc_ordered), | ||||||
| 2481 | Args, | ||||||
| 2482 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2483 | CGM.getModule(), OMPRTL___kmpc_end_ordered), | ||||||
| 2484 | Args); | ||||||
| 2485 | OrderedOpGen.setAction(Action); | ||||||
| 2486 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||||
| 2487 | return; | ||||||
| 2488 | } | ||||||
| 2489 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||||
| 2490 | } | ||||||
| 2491 | |||||||
| 2492 | unsigned CGOpenMPRuntime::getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind) { | ||||||
| 2493 | unsigned Flags; | ||||||
| 2494 | if (Kind == OMPD_for) | ||||||
| 2495 | Flags = OMP_IDENT_BARRIER_IMPL_FOR; | ||||||
| 2496 | else if (Kind == OMPD_sections) | ||||||
| 2497 | Flags = OMP_IDENT_BARRIER_IMPL_SECTIONS; | ||||||
| 2498 | else if (Kind == OMPD_single) | ||||||
| 2499 | Flags = OMP_IDENT_BARRIER_IMPL_SINGLE; | ||||||
| 2500 | else if (Kind == OMPD_barrier) | ||||||
| 2501 | Flags = OMP_IDENT_BARRIER_EXPL; | ||||||
| 2502 | else | ||||||
| 2503 | Flags = OMP_IDENT_BARRIER_IMPL; | ||||||
| 2504 | return Flags; | ||||||
| 2505 | } | ||||||
| 2506 | |||||||
| 2507 | void CGOpenMPRuntime::getDefaultScheduleAndChunk( | ||||||
| 2508 | CodeGenFunction &CGF, const OMPLoopDirective &S, | ||||||
| 2509 | OpenMPScheduleClauseKind &ScheduleKind, const Expr *&ChunkExpr) const { | ||||||
| 2510 | // Check if the loop directive is actually a doacross loop directive. In this | ||||||
| 2511 | // case choose static, 1 schedule. | ||||||
| 2512 | if (llvm::any_of( | ||||||
| 2513 | S.getClausesOfKind<OMPOrderedClause>(), | ||||||
| 2514 | [](const OMPOrderedClause *C) { return C->getNumForLoops(); })) { | ||||||
| 2515 | ScheduleKind = OMPC_SCHEDULE_static; | ||||||
| 2516 | // Chunk size is 1 in this case. | ||||||
| 2517 | llvm::APInt ChunkSize(32, 1); | ||||||
| 2518 | ChunkExpr = IntegerLiteral::Create( | ||||||
| 2519 | CGF.getContext(), ChunkSize, | ||||||
| 2520 | CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/0), | ||||||
| 2521 | SourceLocation()); | ||||||
| 2522 | } | ||||||
| 2523 | } | ||||||
| 2524 | |||||||
| 2525 | void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2526 | OpenMPDirectiveKind Kind, bool EmitChecks, | ||||||
| 2527 | bool ForceSimpleCall) { | ||||||
| 2528 | // Check if we should use the OMPBuilder | ||||||
| 2529 | auto *OMPRegionInfo = | ||||||
| 2530 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo); | ||||||
| 2531 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2532 | CGF.Builder.restoreIP(OMPBuilder.createBarrier( | ||||||
| 2533 | CGF.Builder, Kind, ForceSimpleCall, EmitChecks)); | ||||||
| 2534 | return; | ||||||
| 2535 | } | ||||||
| 2536 | |||||||
| 2537 | if (!CGF.HaveInsertPoint()) | ||||||
| 2538 | return; | ||||||
| 2539 | // Build call __kmpc_cancel_barrier(loc, thread_id); | ||||||
| 2540 | // Build call __kmpc_barrier(loc, thread_id); | ||||||
| 2541 | unsigned Flags = getDefaultFlagsForBarriers(Kind); | ||||||
| 2542 | // Build call __kmpc_cancel_barrier(loc, thread_id) or __kmpc_barrier(loc, | ||||||
| 2543 | // thread_id); | ||||||
| 2544 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, Flags), | ||||||
| 2545 | getThreadID(CGF, Loc)}; | ||||||
| 2546 | if (OMPRegionInfo) { | ||||||
| 2547 | if (!ForceSimpleCall && OMPRegionInfo->hasCancel()) { | ||||||
| 2548 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||||
| 2549 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 2550 | OMPRTL___kmpc_cancel_barrier), | ||||||
| 2551 | Args); | ||||||
| 2552 | if (EmitChecks) { | ||||||
| 2553 | // if (__kmpc_cancel_barrier()) { | ||||||
| 2554 | // exit from construct; | ||||||
| 2555 | // } | ||||||
| 2556 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||||
| 2557 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||||
| 2558 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||||
| 2559 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||||
| 2560 | CGF.EmitBlock(ExitBB); | ||||||
| 2561 | // exit from construct; | ||||||
| 2562 | CodeGenFunction::JumpDest CancelDestination = | ||||||
| 2563 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||||
| 2564 | CGF.EmitBranchThroughCleanup(CancelDestination); | ||||||
| 2565 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||||
| 2566 | } | ||||||
| 2567 | return; | ||||||
| 2568 | } | ||||||
| 2569 | } | ||||||
| 2570 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2571 | CGM.getModule(), OMPRTL___kmpc_barrier), | ||||||
| 2572 | Args); | ||||||
| 2573 | } | ||||||
| 2574 | |||||||
| 2575 | void CGOpenMPRuntime::emitErrorCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2576 | Expr *ME, bool IsFatal) { | ||||||
| 2577 | llvm::Value *MVL = | ||||||
| 2578 | ME ? CGF.EmitStringLiteralLValue(cast<StringLiteral>(ME)).getPointer(CGF) | ||||||
| 2579 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 2580 | // Build call void __kmpc_error(ident_t *loc, int severity, const char | ||||||
| 2581 | // *message) | ||||||
| 2582 | llvm::Value *Args[] = { | ||||||
| 2583 | emitUpdateLocation(CGF, Loc, /*Flags=*/0, /*GenLoc=*/true), | ||||||
| 2584 | llvm::ConstantInt::get(CGM.Int32Ty, IsFatal ? 2 : 1), | ||||||
| 2585 | CGF.Builder.CreatePointerCast(MVL, CGM.Int8PtrTy)}; | ||||||
| 2586 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2587 | CGM.getModule(), OMPRTL___kmpc_error), | ||||||
| 2588 | Args); | ||||||
| 2589 | } | ||||||
| 2590 | |||||||
| 2591 | /// Map the OpenMP loop schedule to the runtime enumeration. | ||||||
| 2592 | static OpenMPSchedType getRuntimeSchedule(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2593 | bool Chunked, bool Ordered) { | ||||||
| 2594 | switch (ScheduleKind) { | ||||||
| 2595 | case OMPC_SCHEDULE_static: | ||||||
| 2596 | return Chunked ? (Ordered ? OMP_ord_static_chunked : OMP_sch_static_chunked) | ||||||
| 2597 | : (Ordered ? OMP_ord_static : OMP_sch_static); | ||||||
| 2598 | case OMPC_SCHEDULE_dynamic: | ||||||
| 2599 | return Ordered ? OMP_ord_dynamic_chunked : OMP_sch_dynamic_chunked; | ||||||
| 2600 | case OMPC_SCHEDULE_guided: | ||||||
| 2601 | return Ordered ? OMP_ord_guided_chunked : OMP_sch_guided_chunked; | ||||||
| 2602 | case OMPC_SCHEDULE_runtime: | ||||||
| 2603 | return Ordered ? OMP_ord_runtime : OMP_sch_runtime; | ||||||
| 2604 | case OMPC_SCHEDULE_auto: | ||||||
| 2605 | return Ordered ? OMP_ord_auto : OMP_sch_auto; | ||||||
| 2606 | case OMPC_SCHEDULE_unknown: | ||||||
| 2607 | assert(!Chunked && "chunk was specified but schedule kind not known")(static_cast <bool> (!Chunked && "chunk was specified but schedule kind not known" ) ? void (0) : __assert_fail ("!Chunked && \"chunk was specified but schedule kind not known\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2607, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2608 | return Ordered ? OMP_ord_static : OMP_sch_static; | ||||||
| 2609 | } | ||||||
| 2610 | llvm_unreachable("Unexpected runtime schedule")::llvm::llvm_unreachable_internal("Unexpected runtime schedule" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2610); | ||||||
| 2611 | } | ||||||
| 2612 | |||||||
| 2613 | /// Map the OpenMP distribute schedule to the runtime enumeration. | ||||||
| 2614 | static OpenMPSchedType | ||||||
| 2615 | getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) { | ||||||
| 2616 | // only static is allowed for dist_schedule | ||||||
| 2617 | return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static; | ||||||
| 2618 | } | ||||||
| 2619 | |||||||
| 2620 | bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2621 | bool Chunked) const { | ||||||
| 2622 | OpenMPSchedType Schedule = | ||||||
| 2623 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||||
| 2624 | return Schedule == OMP_sch_static; | ||||||
| 2625 | } | ||||||
| 2626 | |||||||
| 2627 | bool CGOpenMPRuntime::isStaticNonchunked( | ||||||
| 2628 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||||
| 2629 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||||
| 2630 | return Schedule == OMP_dist_sch_static; | ||||||
| 2631 | } | ||||||
| 2632 | |||||||
| 2633 | bool CGOpenMPRuntime::isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2634 | bool Chunked) const { | ||||||
| 2635 | OpenMPSchedType Schedule = | ||||||
| 2636 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||||
| 2637 | return Schedule == OMP_sch_static_chunked; | ||||||
| 2638 | } | ||||||
| 2639 | |||||||
| 2640 | bool CGOpenMPRuntime::isStaticChunked( | ||||||
| 2641 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||||
| 2642 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||||
| 2643 | return Schedule == OMP_dist_sch_static_chunked; | ||||||
| 2644 | } | ||||||
| 2645 | |||||||
| 2646 | bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const { | ||||||
| 2647 | OpenMPSchedType Schedule = | ||||||
| 2648 | getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false); | ||||||
| 2649 | assert(Schedule != OMP_sch_static_chunked && "cannot be chunked here")(static_cast <bool> (Schedule != OMP_sch_static_chunked && "cannot be chunked here") ? void (0) : __assert_fail ("Schedule != OMP_sch_static_chunked && \"cannot be chunked here\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2649, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2650 | return Schedule != OMP_sch_static; | ||||||
| 2651 | } | ||||||
| 2652 | |||||||
| 2653 | static int addMonoNonMonoModifier(CodeGenModule &CGM, OpenMPSchedType Schedule, | ||||||
| 2654 | OpenMPScheduleClauseModifier M1, | ||||||
| 2655 | OpenMPScheduleClauseModifier M2) { | ||||||
| 2656 | int Modifier = 0; | ||||||
| 2657 | switch (M1) { | ||||||
| 2658 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||||
| 2659 | Modifier = OMP_sch_modifier_monotonic; | ||||||
| 2660 | break; | ||||||
| 2661 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||||
| 2662 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2663 | break; | ||||||
| 2664 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||||
| 2665 | if (Schedule == OMP_sch_static_chunked) | ||||||
| 2666 | Schedule = OMP_sch_static_balanced_chunked; | ||||||
| 2667 | break; | ||||||
| 2668 | case OMPC_SCHEDULE_MODIFIER_last: | ||||||
| 2669 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||||
| 2670 | break; | ||||||
| 2671 | } | ||||||
| 2672 | switch (M2) { | ||||||
| 2673 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||||
| 2674 | Modifier = OMP_sch_modifier_monotonic; | ||||||
| 2675 | break; | ||||||
| 2676 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||||
| 2677 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2678 | break; | ||||||
| 2679 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||||
| 2680 | if (Schedule == OMP_sch_static_chunked) | ||||||
| 2681 | Schedule = OMP_sch_static_balanced_chunked; | ||||||
| 2682 | break; | ||||||
| 2683 | case OMPC_SCHEDULE_MODIFIER_last: | ||||||
| 2684 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||||
| 2685 | break; | ||||||
| 2686 | } | ||||||
| 2687 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Desription. | ||||||
| 2688 | // If the static schedule kind is specified or if the ordered clause is | ||||||
| 2689 | // specified, and if the nonmonotonic modifier is not specified, the effect is | ||||||
| 2690 | // as if the monotonic modifier is specified. Otherwise, unless the monotonic | ||||||
| 2691 | // modifier is specified, the effect is as if the nonmonotonic modifier is | ||||||
| 2692 | // specified. | ||||||
| 2693 | if (CGM.getLangOpts().OpenMP >= 50 && Modifier == 0) { | ||||||
| 2694 | if (!(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static || | ||||||
| 2695 | Schedule == OMP_sch_static_balanced_chunked || | ||||||
| 2696 | Schedule == OMP_ord_static_chunked || Schedule == OMP_ord_static || | ||||||
| 2697 | Schedule == OMP_dist_sch_static_chunked || | ||||||
| 2698 | Schedule == OMP_dist_sch_static)) | ||||||
| 2699 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2700 | } | ||||||
| 2701 | return Schedule | Modifier; | ||||||
| 2702 | } | ||||||
| 2703 | |||||||
| 2704 | void CGOpenMPRuntime::emitForDispatchInit( | ||||||
| 2705 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2706 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | ||||||
| 2707 | bool Ordered, const DispatchRTInput &DispatchValues) { | ||||||
| 2708 | if (!CGF.HaveInsertPoint()) | ||||||
| 2709 | return; | ||||||
| 2710 | OpenMPSchedType Schedule = getRuntimeSchedule( | ||||||
| 2711 | ScheduleKind.Schedule, DispatchValues.Chunk != nullptr, Ordered); | ||||||
| 2712 | assert(Ordered ||(static_cast <bool> (Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)) ? void (0) : __assert_fail ("Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2715, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2713 | (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked &&(static_cast <bool> (Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)) ? void (0) : __assert_fail ("Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2715, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2714 | Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked &&(static_cast <bool> (Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)) ? void (0) : __assert_fail ("Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2715, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2715 | Schedule != OMP_sch_static_balanced_chunked))(static_cast <bool> (Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)) ? void (0) : __assert_fail ("Ordered || (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked && Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked && Schedule != OMP_sch_static_balanced_chunked)" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2715, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2716 | // Call __kmpc_dispatch_init( | ||||||
| 2717 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedule, | ||||||
| 2718 | // kmp_int[32|64] lower, kmp_int[32|64] upper, | ||||||
| 2719 | // kmp_int[32|64] stride, kmp_int[32|64] chunk); | ||||||
| 2720 | |||||||
| 2721 | // If the Chunk was not specified in the clause - use default value 1. | ||||||
| 2722 | llvm::Value *Chunk = DispatchValues.Chunk ? DispatchValues.Chunk | ||||||
| 2723 | : CGF.Builder.getIntN(IVSize, 1); | ||||||
| 2724 | llvm::Value *Args[] = { | ||||||
| 2725 | emitUpdateLocation(CGF, Loc), | ||||||
| 2726 | getThreadID(CGF, Loc), | ||||||
| 2727 | CGF.Builder.getInt32(addMonoNonMonoModifier( | ||||||
| 2728 | CGM, Schedule, ScheduleKind.M1, ScheduleKind.M2)), // Schedule type | ||||||
| 2729 | DispatchValues.LB, // Lower | ||||||
| 2730 | DispatchValues.UB, // Upper | ||||||
| 2731 | CGF.Builder.getIntN(IVSize, 1), // Stride | ||||||
| 2732 | Chunk // Chunk | ||||||
| 2733 | }; | ||||||
| 2734 | CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args); | ||||||
| 2735 | } | ||||||
| 2736 | |||||||
| 2737 | static void emitForStaticInitCall( | ||||||
| 2738 | CodeGenFunction &CGF, llvm::Value *UpdateLocation, llvm::Value *ThreadId, | ||||||
| 2739 | llvm::FunctionCallee ForStaticInitFunction, OpenMPSchedType Schedule, | ||||||
| 2740 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||||
| 2741 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||||
| 2742 | if (!CGF.HaveInsertPoint()) | ||||||
| 2743 | return; | ||||||
| 2744 | |||||||
| 2745 | assert(!Values.Ordered)(static_cast <bool> (!Values.Ordered) ? void (0) : __assert_fail ("!Values.Ordered", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2745, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2746 | assert(Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked ||(static_cast <bool> (Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked ) ? void (0) : __assert_fail ("Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2750, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2747 | Schedule == OMP_sch_static_balanced_chunked ||(static_cast <bool> (Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked ) ? void (0) : __assert_fail ("Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2750, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2748 | Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked ||(static_cast <bool> (Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked ) ? void (0) : __assert_fail ("Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2750, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2749 | Schedule == OMP_dist_sch_static ||(static_cast <bool> (Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked ) ? void (0) : __assert_fail ("Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2750, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2750 | Schedule == OMP_dist_sch_static_chunked)(static_cast <bool> (Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked ) ? void (0) : __assert_fail ("Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static || Schedule == OMP_dist_sch_static_chunked" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2750, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2751 | |||||||
| 2752 | // Call __kmpc_for_static_init( | ||||||
| 2753 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedtype, | ||||||
| 2754 | // kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower, | ||||||
| 2755 | // kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride, | ||||||
| 2756 | // kmp_int[32|64] incr, kmp_int[32|64] chunk); | ||||||
| 2757 | llvm::Value *Chunk = Values.Chunk; | ||||||
| 2758 | if (Chunk == nullptr) { | ||||||
| 2759 | assert((Schedule == OMP_sch_static || Schedule == OMP_ord_static ||(static_cast <bool> ((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2761, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2760 | Schedule == OMP_dist_sch_static) &&(static_cast <bool> ((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2761, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2761 | "expected static non-chunked schedule")(static_cast <bool> ((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2761, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2762 | // If the Chunk was not specified in the clause - use default value 1. | ||||||
| 2763 | Chunk = CGF.Builder.getIntN(Values.IVSize, 1); | ||||||
| 2764 | } else { | ||||||
| 2765 | assert((Schedule == OMP_sch_static_chunked ||(static_cast <bool> ((Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked ) && "expected static chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked) && \"expected static chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2769, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2766 | Schedule == OMP_sch_static_balanced_chunked ||(static_cast <bool> ((Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked ) && "expected static chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked) && \"expected static chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2769, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2767 | Schedule == OMP_ord_static_chunked ||(static_cast <bool> ((Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked ) && "expected static chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked) && \"expected static chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2769, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2768 | Schedule == OMP_dist_sch_static_chunked) &&(static_cast <bool> ((Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked ) && "expected static chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked) && \"expected static chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2769, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2769 | "expected static chunked schedule")(static_cast <bool> ((Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked ) && "expected static chunked schedule") ? void (0) : __assert_fail ("(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static_balanced_chunked || Schedule == OMP_ord_static_chunked || Schedule == OMP_dist_sch_static_chunked) && \"expected static chunked schedule\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2769, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2770 | } | ||||||
| 2771 | llvm::Value *Args[] = { | ||||||
| 2772 | UpdateLocation, | ||||||
| 2773 | ThreadId, | ||||||
| 2774 | CGF.Builder.getInt32(addMonoNonMonoModifier(CGF.CGM, Schedule, M1, | ||||||
| 2775 | M2)), // Schedule type | ||||||
| 2776 | Values.IL.getPointer(), // &isLastIter | ||||||
| 2777 | Values.LB.getPointer(), // &LB | ||||||
| 2778 | Values.UB.getPointer(), // &UB | ||||||
| 2779 | Values.ST.getPointer(), // &Stride | ||||||
| 2780 | CGF.Builder.getIntN(Values.IVSize, 1), // Incr | ||||||
| 2781 | Chunk // Chunk | ||||||
| 2782 | }; | ||||||
| 2783 | CGF.EmitRuntimeCall(ForStaticInitFunction, Args); | ||||||
| 2784 | } | ||||||
| 2785 | |||||||
| 2786 | void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF, | ||||||
| 2787 | SourceLocation Loc, | ||||||
| 2788 | OpenMPDirectiveKind DKind, | ||||||
| 2789 | const OpenMPScheduleTy &ScheduleKind, | ||||||
| 2790 | const StaticRTInput &Values) { | ||||||
| 2791 | OpenMPSchedType ScheduleNum = getRuntimeSchedule( | ||||||
| 2792 | ScheduleKind.Schedule, Values.Chunk != nullptr, Values.Ordered); | ||||||
| 2793 | assert(isOpenMPWorksharingDirective(DKind) &&(static_cast <bool> (isOpenMPWorksharingDirective(DKind ) && "Expected loop-based or sections-based directive." ) ? void (0) : __assert_fail ("isOpenMPWorksharingDirective(DKind) && \"Expected loop-based or sections-based directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2794, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2794 | "Expected loop-based or sections-based directive.")(static_cast <bool> (isOpenMPWorksharingDirective(DKind ) && "Expected loop-based or sections-based directive." ) ? void (0) : __assert_fail ("isOpenMPWorksharingDirective(DKind) && \"Expected loop-based or sections-based directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2794, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2795 | llvm::Value *UpdatedLocation = emitUpdateLocation(CGF, Loc, | ||||||
| 2796 | isOpenMPLoopDirective(DKind) | ||||||
| 2797 | ? OMP_IDENT_WORK_LOOP | ||||||
| 2798 | : OMP_IDENT_WORK_SECTIONS); | ||||||
| 2799 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 2800 | llvm::FunctionCallee StaticInitFunction = | ||||||
| 2801 | createForStaticInitFunction(Values.IVSize, Values.IVSigned, false); | ||||||
| 2802 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||||
| 2803 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||||
| 2804 | ScheduleNum, ScheduleKind.M1, ScheduleKind.M2, Values); | ||||||
| 2805 | } | ||||||
| 2806 | |||||||
| 2807 | void CGOpenMPRuntime::emitDistributeStaticInit( | ||||||
| 2808 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2809 | OpenMPDistScheduleClauseKind SchedKind, | ||||||
| 2810 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||||
| 2811 | OpenMPSchedType ScheduleNum = | ||||||
| 2812 | getRuntimeSchedule(SchedKind, Values.Chunk != nullptr); | ||||||
| 2813 | llvm::Value *UpdatedLocation = | ||||||
| 2814 | emitUpdateLocation(CGF, Loc, OMP_IDENT_WORK_DISTRIBUTE); | ||||||
| 2815 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 2816 | llvm::FunctionCallee StaticInitFunction; | ||||||
| 2817 | bool isGPUDistribute = | ||||||
| 2818 | CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 2819 | (CGM.getTriple().isAMDGCN() || CGM.getTriple().isNVPTX()); | ||||||
| 2820 | StaticInitFunction = createForStaticInitFunction( | ||||||
| 2821 | Values.IVSize, Values.IVSigned, isGPUDistribute); | ||||||
| 2822 | |||||||
| 2823 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||||
| 2824 | ScheduleNum, OMPC_SCHEDULE_MODIFIER_unknown, | ||||||
| 2825 | OMPC_SCHEDULE_MODIFIER_unknown, Values); | ||||||
| 2826 | } | ||||||
| 2827 | |||||||
| 2828 | void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF, | ||||||
| 2829 | SourceLocation Loc, | ||||||
| 2830 | OpenMPDirectiveKind DKind) { | ||||||
| 2831 | if (!CGF.HaveInsertPoint()) | ||||||
| 2832 | return; | ||||||
| 2833 | // Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid); | ||||||
| 2834 | llvm::Value *Args[] = { | ||||||
| 2835 | emitUpdateLocation(CGF, Loc, | ||||||
| 2836 | isOpenMPDistributeDirective(DKind) | ||||||
| 2837 | ? OMP_IDENT_WORK_DISTRIBUTE | ||||||
| 2838 | : isOpenMPLoopDirective(DKind) | ||||||
| 2839 | ? OMP_IDENT_WORK_LOOP | ||||||
| 2840 | : OMP_IDENT_WORK_SECTIONS), | ||||||
| 2841 | getThreadID(CGF, Loc)}; | ||||||
| 2842 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||||
| 2843 | if (isOpenMPDistributeDirective(DKind) && CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 2844 | (CGM.getTriple().isAMDGCN() || CGM.getTriple().isNVPTX())) | ||||||
| 2845 | CGF.EmitRuntimeCall( | ||||||
| 2846 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2847 | CGM.getModule(), OMPRTL___kmpc_distribute_static_fini), | ||||||
| 2848 | Args); | ||||||
| 2849 | else | ||||||
| 2850 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2851 | CGM.getModule(), OMPRTL___kmpc_for_static_fini), | ||||||
| 2852 | Args); | ||||||
| 2853 | } | ||||||
| 2854 | |||||||
| 2855 | void CGOpenMPRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | ||||||
| 2856 | SourceLocation Loc, | ||||||
| 2857 | unsigned IVSize, | ||||||
| 2858 | bool IVSigned) { | ||||||
| 2859 | if (!CGF.HaveInsertPoint()) | ||||||
| 2860 | return; | ||||||
| 2861 | // Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid); | ||||||
| 2862 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2863 | CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args); | ||||||
| 2864 | } | ||||||
| 2865 | |||||||
| 2866 | llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF, | ||||||
| 2867 | SourceLocation Loc, unsigned IVSize, | ||||||
| 2868 | bool IVSigned, Address IL, | ||||||
| 2869 | Address LB, Address UB, | ||||||
| 2870 | Address ST) { | ||||||
| 2871 | // Call __kmpc_dispatch_next( | ||||||
| 2872 | // ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, | ||||||
| 2873 | // kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, | ||||||
| 2874 | // kmp_int[32|64] *p_stride); | ||||||
| 2875 | llvm::Value *Args[] = { | ||||||
| 2876 | emitUpdateLocation(CGF, Loc), | ||||||
| 2877 | getThreadID(CGF, Loc), | ||||||
| 2878 | IL.getPointer(), // &isLastIter | ||||||
| 2879 | LB.getPointer(), // &Lower | ||||||
| 2880 | UB.getPointer(), // &Upper | ||||||
| 2881 | ST.getPointer() // &Stride | ||||||
| 2882 | }; | ||||||
| 2883 | llvm::Value *Call = | ||||||
| 2884 | CGF.EmitRuntimeCall(createDispatchNextFunction(IVSize, IVSigned), Args); | ||||||
| 2885 | return CGF.EmitScalarConversion( | ||||||
| 2886 | Call, CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/1), | ||||||
| 2887 | CGF.getContext().BoolTy, Loc); | ||||||
| 2888 | } | ||||||
| 2889 | |||||||
| 2890 | void CGOpenMPRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | ||||||
| 2891 | llvm::Value *NumThreads, | ||||||
| 2892 | SourceLocation Loc) { | ||||||
| 2893 | if (!CGF.HaveInsertPoint()) | ||||||
| 2894 | return; | ||||||
| 2895 | // Build call __kmpc_push_num_threads(&loc, global_tid, num_threads) | ||||||
| 2896 | llvm::Value *Args[] = { | ||||||
| 2897 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2898 | CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned*/ true)}; | ||||||
| 2899 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2900 | CGM.getModule(), OMPRTL___kmpc_push_num_threads), | ||||||
| 2901 | Args); | ||||||
| 2902 | } | ||||||
| 2903 | |||||||
| 2904 | void CGOpenMPRuntime::emitProcBindClause(CodeGenFunction &CGF, | ||||||
| 2905 | ProcBindKind ProcBind, | ||||||
| 2906 | SourceLocation Loc) { | ||||||
| 2907 | if (!CGF.HaveInsertPoint()) | ||||||
| 2908 | return; | ||||||
| 2909 | assert(ProcBind != OMP_PROC_BIND_unknown && "Unsupported proc_bind value.")(static_cast <bool> (ProcBind != OMP_PROC_BIND_unknown && "Unsupported proc_bind value.") ? void (0) : __assert_fail ( "ProcBind != OMP_PROC_BIND_unknown && \"Unsupported proc_bind value.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2909, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2910 | // Build call __kmpc_push_proc_bind(&loc, global_tid, proc_bind) | ||||||
| 2911 | llvm::Value *Args[] = { | ||||||
| 2912 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2913 | llvm::ConstantInt::get(CGM.IntTy, unsigned(ProcBind), /*isSigned=*/true)}; | ||||||
| 2914 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2915 | CGM.getModule(), OMPRTL___kmpc_push_proc_bind), | ||||||
| 2916 | Args); | ||||||
| 2917 | } | ||||||
| 2918 | |||||||
| 2919 | void CGOpenMPRuntime::emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *>, | ||||||
| 2920 | SourceLocation Loc, llvm::AtomicOrdering AO) { | ||||||
| 2921 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2922 | OMPBuilder.createFlush(CGF.Builder); | ||||||
| 2923 | } else { | ||||||
| 2924 | if (!CGF.HaveInsertPoint()) | ||||||
| 2925 | return; | ||||||
| 2926 | // Build call void __kmpc_flush(ident_t *loc) | ||||||
| 2927 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2928 | CGM.getModule(), OMPRTL___kmpc_flush), | ||||||
| 2929 | emitUpdateLocation(CGF, Loc)); | ||||||
| 2930 | } | ||||||
| 2931 | } | ||||||
| 2932 | |||||||
| 2933 | namespace { | ||||||
| 2934 | /// Indexes of fields for type kmp_task_t. | ||||||
| 2935 | enum KmpTaskTFields { | ||||||
| 2936 | /// List of shared variables. | ||||||
| 2937 | KmpTaskTShareds, | ||||||
| 2938 | /// Task routine. | ||||||
| 2939 | KmpTaskTRoutine, | ||||||
| 2940 | /// Partition id for the untied tasks. | ||||||
| 2941 | KmpTaskTPartId, | ||||||
| 2942 | /// Function with call of destructors for private variables. | ||||||
| 2943 | Data1, | ||||||
| 2944 | /// Task priority. | ||||||
| 2945 | Data2, | ||||||
| 2946 | /// (Taskloops only) Lower bound. | ||||||
| 2947 | KmpTaskTLowerBound, | ||||||
| 2948 | /// (Taskloops only) Upper bound. | ||||||
| 2949 | KmpTaskTUpperBound, | ||||||
| 2950 | /// (Taskloops only) Stride. | ||||||
| 2951 | KmpTaskTStride, | ||||||
| 2952 | /// (Taskloops only) Is last iteration flag. | ||||||
| 2953 | KmpTaskTLastIter, | ||||||
| 2954 | /// (Taskloops only) Reduction data. | ||||||
| 2955 | KmpTaskTReductions, | ||||||
| 2956 | }; | ||||||
| 2957 | } // anonymous namespace | ||||||
| 2958 | |||||||
| 2959 | void CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() { | ||||||
| 2960 | // If we are in simd mode or there are no entries, we don't need to do | ||||||
| 2961 | // anything. | ||||||
| 2962 | if (CGM.getLangOpts().OpenMPSimd || OMPBuilder.OffloadInfoManager.empty()) | ||||||
| 2963 | return; | ||||||
| 2964 | |||||||
| 2965 | llvm::OpenMPIRBuilder::EmitMetadataErrorReportFunctionTy &&ErrorReportFn = | ||||||
| 2966 | [this](llvm::OpenMPIRBuilder::EmitMetadataErrorKind Kind, | ||||||
| 2967 | const llvm::TargetRegionEntryInfo &EntryInfo) -> void { | ||||||
| 2968 | SourceLocation Loc; | ||||||
| 2969 | if (Kind != llvm::OpenMPIRBuilder::EMIT_MD_GLOBAL_VAR_LINK_ERROR) { | ||||||
| 2970 | for (auto I = CGM.getContext().getSourceManager().fileinfo_begin(), | ||||||
| 2971 | E = CGM.getContext().getSourceManager().fileinfo_end(); | ||||||
| 2972 | I != E; ++I) { | ||||||
| 2973 | if (I->getFirst()->getUniqueID().getDevice() == EntryInfo.DeviceID && | ||||||
| 2974 | I->getFirst()->getUniqueID().getFile() == EntryInfo.FileID) { | ||||||
| 2975 | Loc = CGM.getContext().getSourceManager().translateFileLineCol( | ||||||
| 2976 | I->getFirst(), EntryInfo.Line, 1); | ||||||
| 2977 | break; | ||||||
| 2978 | } | ||||||
| 2979 | } | ||||||
| 2980 | } | ||||||
| 2981 | switch (Kind) { | ||||||
| 2982 | case llvm::OpenMPIRBuilder::EMIT_MD_TARGET_REGION_ERROR: { | ||||||
| 2983 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2984 | DiagnosticsEngine::Error, "Offloading entry for target region in " | ||||||
| 2985 | "%0 is incorrect: either the " | ||||||
| 2986 | "address or the ID is invalid."); | ||||||
| 2987 | CGM.getDiags().Report(Loc, DiagID) << EntryInfo.ParentName; | ||||||
| 2988 | } break; | ||||||
| 2989 | case llvm::OpenMPIRBuilder::EMIT_MD_DECLARE_TARGET_ERROR: { | ||||||
| 2990 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2991 | DiagnosticsEngine::Error, "Offloading entry for declare target " | ||||||
| 2992 | "variable %0 is incorrect: the " | ||||||
| 2993 | "address is invalid."); | ||||||
| 2994 | CGM.getDiags().Report(Loc, DiagID) << EntryInfo.ParentName; | ||||||
| 2995 | } break; | ||||||
| 2996 | case llvm::OpenMPIRBuilder::EMIT_MD_GLOBAL_VAR_LINK_ERROR: { | ||||||
| 2997 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2998 | DiagnosticsEngine::Error, | ||||||
| 2999 | "Offloading entry for declare target variable is incorrect: the " | ||||||
| 3000 | "address is invalid."); | ||||||
| 3001 | CGM.getDiags().Report(DiagID); | ||||||
| 3002 | } break; | ||||||
| 3003 | } | ||||||
| 3004 | }; | ||||||
| 3005 | |||||||
| 3006 | OMPBuilder.createOffloadEntriesAndInfoMetadata(ErrorReportFn); | ||||||
| 3007 | } | ||||||
| 3008 | |||||||
| 3009 | /// Loads all the offload entries information from the host IR | ||||||
| 3010 | /// metadata. | ||||||
| 3011 | void CGOpenMPRuntime::loadOffloadInfoMetadata() { | ||||||
| 3012 | // If we are in target mode, load the metadata from the host IR. This code has | ||||||
| 3013 | // to match the metadaata creation in createOffloadEntriesAndInfoMetadata(). | ||||||
| 3014 | |||||||
| 3015 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 3016 | return; | ||||||
| 3017 | |||||||
| 3018 | if (CGM.getLangOpts().OMPHostIRFile.empty()) | ||||||
| 3019 | return; | ||||||
| 3020 | |||||||
| 3021 | auto Buf = llvm::MemoryBuffer::getFile(CGM.getLangOpts().OMPHostIRFile); | ||||||
| 3022 | if (auto EC = Buf.getError()) { | ||||||
| 3023 | CGM.getDiags().Report(diag::err_cannot_open_file) | ||||||
| 3024 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||||
| 3025 | return; | ||||||
| 3026 | } | ||||||
| 3027 | |||||||
| 3028 | llvm::LLVMContext C; | ||||||
| 3029 | auto ME = expectedToErrorOrAndEmitErrors( | ||||||
| 3030 | C, llvm::parseBitcodeFile(Buf.get()->getMemBufferRef(), C)); | ||||||
| 3031 | |||||||
| 3032 | if (auto EC = ME.getError()) { | ||||||
| 3033 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 3034 | DiagnosticsEngine::Error, "Unable to parse host IR file '%0':'%1'"); | ||||||
| 3035 | CGM.getDiags().Report(DiagID) | ||||||
| 3036 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||||
| 3037 | return; | ||||||
| 3038 | } | ||||||
| 3039 | |||||||
| 3040 | OMPBuilder.loadOffloadInfoMetadata(*ME.get()); | ||||||
| 3041 | } | ||||||
| 3042 | |||||||
| 3043 | void CGOpenMPRuntime::emitKmpRoutineEntryT(QualType KmpInt32Ty) { | ||||||
| 3044 | if (!KmpRoutineEntryPtrTy) { | ||||||
| 3045 | // Build typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); type. | ||||||
| 3046 | ASTContext &C = CGM.getContext(); | ||||||
| 3047 | QualType KmpRoutineEntryTyArgs[] = {KmpInt32Ty, C.VoidPtrTy}; | ||||||
| 3048 | FunctionProtoType::ExtProtoInfo EPI; | ||||||
| 3049 | KmpRoutineEntryPtrQTy = C.getPointerType( | ||||||
| 3050 | C.getFunctionType(KmpInt32Ty, KmpRoutineEntryTyArgs, EPI)); | ||||||
| 3051 | KmpRoutineEntryPtrTy = CGM.getTypes().ConvertType(KmpRoutineEntryPtrQTy); | ||||||
| 3052 | } | ||||||
| 3053 | } | ||||||
| 3054 | |||||||
| 3055 | namespace { | ||||||
| 3056 | struct PrivateHelpersTy { | ||||||
| 3057 | PrivateHelpersTy(const Expr *OriginalRef, const VarDecl *Original, | ||||||
| 3058 | const VarDecl *PrivateCopy, const VarDecl *PrivateElemInit) | ||||||
| 3059 | : OriginalRef(OriginalRef), Original(Original), PrivateCopy(PrivateCopy), | ||||||
| 3060 | PrivateElemInit(PrivateElemInit) {} | ||||||
| 3061 | PrivateHelpersTy(const VarDecl *Original) : Original(Original) {} | ||||||
| 3062 | const Expr *OriginalRef = nullptr; | ||||||
| 3063 | const VarDecl *Original = nullptr; | ||||||
| 3064 | const VarDecl *PrivateCopy = nullptr; | ||||||
| 3065 | const VarDecl *PrivateElemInit = nullptr; | ||||||
| 3066 | bool isLocalPrivate() const { | ||||||
| 3067 | return !OriginalRef && !PrivateCopy && !PrivateElemInit; | ||||||
| 3068 | } | ||||||
| 3069 | }; | ||||||
| 3070 | typedef std::pair<CharUnits /*Align*/, PrivateHelpersTy> PrivateDataTy; | ||||||
| 3071 | } // anonymous namespace | ||||||
| 3072 | |||||||
| 3073 | static bool isAllocatableDecl(const VarDecl *VD) { | ||||||
| 3074 | const VarDecl *CVD = VD->getCanonicalDecl(); | ||||||
| 3075 | if (!CVD->hasAttr<OMPAllocateDeclAttr>()) | ||||||
| 3076 | return false; | ||||||
| 3077 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | ||||||
| 3078 | // Use the default allocation. | ||||||
| 3079 | return !(AA->getAllocatorType() == OMPAllocateDeclAttr::OMPDefaultMemAlloc && | ||||||
| 3080 | !AA->getAllocator()); | ||||||
| 3081 | } | ||||||
| 3082 | |||||||
| 3083 | static RecordDecl * | ||||||
| 3084 | createPrivatesRecordDecl(CodeGenModule &CGM, ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3085 | if (!Privates.empty()) { | ||||||
| 3086 | ASTContext &C = CGM.getContext(); | ||||||
| 3087 | // Build struct .kmp_privates_t. { | ||||||
| 3088 | // /* private vars */ | ||||||
| 3089 | // }; | ||||||
| 3090 | RecordDecl *RD = C.buildImplicitRecord(".kmp_privates.t"); | ||||||
| 3091 | RD->startDefinition(); | ||||||
| 3092 | for (const auto &Pair : Privates) { | ||||||
| 3093 | const VarDecl *VD = Pair.second.Original; | ||||||
| 3094 | QualType Type = VD->getType().getNonReferenceType(); | ||||||
| 3095 | // If the private variable is a local variable with lvalue ref type, | ||||||
| 3096 | // allocate the pointer instead of the pointee type. | ||||||
| 3097 | if (Pair.second.isLocalPrivate()) { | ||||||
| 3098 | if (VD->getType()->isLValueReferenceType()) | ||||||
| 3099 | Type = C.getPointerType(Type); | ||||||
| 3100 | if (isAllocatableDecl(VD)) | ||||||
| 3101 | Type = C.getPointerType(Type); | ||||||
| 3102 | } | ||||||
| 3103 | FieldDecl *FD = addFieldToRecordDecl(C, RD, Type); | ||||||
| 3104 | if (VD->hasAttrs()) { | ||||||
| 3105 | for (specific_attr_iterator<AlignedAttr> I(VD->getAttrs().begin()), | ||||||
| 3106 | E(VD->getAttrs().end()); | ||||||
| 3107 | I != E; ++I) | ||||||
| 3108 | FD->addAttr(*I); | ||||||
| 3109 | } | ||||||
| 3110 | } | ||||||
| 3111 | RD->completeDefinition(); | ||||||
| 3112 | return RD; | ||||||
| 3113 | } | ||||||
| 3114 | return nullptr; | ||||||
| 3115 | } | ||||||
| 3116 | |||||||
| 3117 | static RecordDecl * | ||||||
| 3118 | createKmpTaskTRecordDecl(CodeGenModule &CGM, OpenMPDirectiveKind Kind, | ||||||
| 3119 | QualType KmpInt32Ty, | ||||||
| 3120 | QualType KmpRoutineEntryPointerQTy) { | ||||||
| 3121 | ASTContext &C = CGM.getContext(); | ||||||
| 3122 | // Build struct kmp_task_t { | ||||||
| 3123 | // void * shareds; | ||||||
| 3124 | // kmp_routine_entry_t routine; | ||||||
| 3125 | // kmp_int32 part_id; | ||||||
| 3126 | // kmp_cmplrdata_t data1; | ||||||
| 3127 | // kmp_cmplrdata_t data2; | ||||||
| 3128 | // For taskloops additional fields: | ||||||
| 3129 | // kmp_uint64 lb; | ||||||
| 3130 | // kmp_uint64 ub; | ||||||
| 3131 | // kmp_int64 st; | ||||||
| 3132 | // kmp_int32 liter; | ||||||
| 3133 | // void * reductions; | ||||||
| 3134 | // }; | ||||||
| 3135 | RecordDecl *UD = C.buildImplicitRecord("kmp_cmplrdata_t", TTK_Union); | ||||||
| 3136 | UD->startDefinition(); | ||||||
| 3137 | addFieldToRecordDecl(C, UD, KmpInt32Ty); | ||||||
| 3138 | addFieldToRecordDecl(C, UD, KmpRoutineEntryPointerQTy); | ||||||
| 3139 | UD->completeDefinition(); | ||||||
| 3140 | QualType KmpCmplrdataTy = C.getRecordType(UD); | ||||||
| 3141 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t"); | ||||||
| 3142 | RD->startDefinition(); | ||||||
| 3143 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 3144 | addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy); | ||||||
| 3145 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||||
| 3146 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||||
| 3147 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||||
| 3148 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||||
| 3149 | QualType KmpUInt64Ty = | ||||||
| 3150 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||||
| 3151 | QualType KmpInt64Ty = | ||||||
| 3152 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||||
| 3153 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||||
| 3154 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||||
| 3155 | addFieldToRecordDecl(C, RD, KmpInt64Ty); | ||||||
| 3156 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||||
| 3157 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 3158 | } | ||||||
| 3159 | RD->completeDefinition(); | ||||||
| 3160 | return RD; | ||||||
| 3161 | } | ||||||
| 3162 | |||||||
| 3163 | static RecordDecl * | ||||||
| 3164 | createKmpTaskTWithPrivatesRecordDecl(CodeGenModule &CGM, QualType KmpTaskTQTy, | ||||||
| 3165 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3166 | ASTContext &C = CGM.getContext(); | ||||||
| 3167 | // Build struct kmp_task_t_with_privates { | ||||||
| 3168 | // kmp_task_t task_data; | ||||||
| 3169 | // .kmp_privates_t. privates; | ||||||
| 3170 | // }; | ||||||
| 3171 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t_with_privates"); | ||||||
| 3172 | RD->startDefinition(); | ||||||
| 3173 | addFieldToRecordDecl(C, RD, KmpTaskTQTy); | ||||||
| 3174 | if (const RecordDecl *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) | ||||||
| 3175 | addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD)); | ||||||
| 3176 | RD->completeDefinition(); | ||||||
| 3177 | return RD; | ||||||
| 3178 | } | ||||||
| 3179 | |||||||
| 3180 | /// Emit a proxy function which accepts kmp_task_t as the second | ||||||
| 3181 | /// argument. | ||||||
| 3182 | /// \code | ||||||
| 3183 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { | ||||||
| 3184 | /// TaskFunction(gtid, tt->part_id, &tt->privates, task_privates_map, tt, | ||||||
| 3185 | /// For taskloops: | ||||||
| 3186 | /// tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||||
| 3187 | /// tt->reductions, tt->shareds); | ||||||
| 3188 | /// return 0; | ||||||
| 3189 | /// } | ||||||
| 3190 | /// \endcode | ||||||
| 3191 | static llvm::Function * | ||||||
| 3192 | emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3193 | OpenMPDirectiveKind Kind, QualType KmpInt32Ty, | ||||||
| 3194 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3195 | QualType KmpTaskTWithPrivatesQTy, QualType KmpTaskTQTy, | ||||||
| 3196 | QualType SharedsPtrTy, llvm::Function *TaskFunction, | ||||||
| 3197 | llvm::Value *TaskPrivatesMap) { | ||||||
| 3198 | ASTContext &C = CGM.getContext(); | ||||||
| 3199 | FunctionArgList Args; | ||||||
| 3200 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||||
| 3201 | ImplicitParamDecl::Other); | ||||||
| 3202 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3203 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||||
| 3204 | ImplicitParamDecl::Other); | ||||||
| 3205 | Args.push_back(&GtidArg); | ||||||
| 3206 | Args.push_back(&TaskTypeArg); | ||||||
| 3207 | const auto &TaskEntryFnInfo = | ||||||
| 3208 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||||
| 3209 | llvm::FunctionType *TaskEntryTy = | ||||||
| 3210 | CGM.getTypes().GetFunctionType(TaskEntryFnInfo); | ||||||
| 3211 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_entry", ""}); | ||||||
| 3212 | auto *TaskEntry = llvm::Function::Create( | ||||||
| 3213 | TaskEntryTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||||
| 3214 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskEntry, TaskEntryFnInfo); | ||||||
| 3215 | TaskEntry->setDoesNotRecurse(); | ||||||
| 3216 | CodeGenFunction CGF(CGM); | ||||||
| 3217 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, TaskEntry, TaskEntryFnInfo, Args, | ||||||
| 3218 | Loc, Loc); | ||||||
| 3219 | |||||||
| 3220 | // TaskFunction(gtid, tt->task_data.part_id, &tt->privates, task_privates_map, | ||||||
| 3221 | // tt, | ||||||
| 3222 | // For taskloops: | ||||||
| 3223 | // tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||||
| 3224 | // tt->task_data.shareds); | ||||||
| 3225 | llvm::Value *GtidParam = CGF.EmitLoadOfScalar( | ||||||
| 3226 | CGF.GetAddrOfLocalVar(&GtidArg), /*Volatile=*/false, KmpInt32Ty, Loc); | ||||||
| 3227 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3228 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||||
| 3229 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3230 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3231 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||||
| 3232 | LValue Base = | ||||||
| 3233 | CGF.EmitLValueForField(TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3234 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||||
| 3235 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||||
| 3236 | LValue PartIdLVal = CGF.EmitLValueForField(Base, *PartIdFI); | ||||||
| 3237 | llvm::Value *PartidParam = PartIdLVal.getPointer(CGF); | ||||||
| 3238 | |||||||
| 3239 | auto SharedsFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds); | ||||||
| 3240 | LValue SharedsLVal = CGF.EmitLValueForField(Base, *SharedsFI); | ||||||
| 3241 | llvm::Value *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3242 | CGF.EmitLoadOfScalar(SharedsLVal, Loc), | ||||||
| 3243 | CGF.ConvertTypeForMem(SharedsPtrTy)); | ||||||
| 3244 | |||||||
| 3245 | auto PrivatesFI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | ||||||
| 3246 | llvm::Value *PrivatesParam; | ||||||
| 3247 | if (PrivatesFI != KmpTaskTWithPrivatesQTyRD->field_end()) { | ||||||
| 3248 | LValue PrivatesLVal = CGF.EmitLValueForField(TDBase, *PrivatesFI); | ||||||
| 3249 | PrivatesParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3250 | PrivatesLVal.getPointer(CGF), CGF.VoidPtrTy); | ||||||
| 3251 | } else { | ||||||
| 3252 | PrivatesParam = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 3253 | } | ||||||
| 3254 | |||||||
| 3255 | llvm::Value *CommonArgs[] = { | ||||||
| 3256 | GtidParam, PartidParam, PrivatesParam, TaskPrivatesMap, | ||||||
| 3257 | CGF.Builder | ||||||
| 3258 | .CreatePointerBitCastOrAddrSpaceCast(TDBase.getAddress(CGF), | ||||||
| 3259 | CGF.VoidPtrTy, CGF.Int8Ty) | ||||||
| 3260 | .getPointer()}; | ||||||
| 3261 | SmallVector<llvm::Value *, 16> CallArgs(std::begin(CommonArgs), | ||||||
| 3262 | std::end(CommonArgs)); | ||||||
| 3263 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||||
| 3264 | auto LBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound); | ||||||
| 3265 | LValue LBLVal = CGF.EmitLValueForField(Base, *LBFI); | ||||||
| 3266 | llvm::Value *LBParam = CGF.EmitLoadOfScalar(LBLVal, Loc); | ||||||
| 3267 | auto UBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound); | ||||||
| 3268 | LValue UBLVal = CGF.EmitLValueForField(Base, *UBFI); | ||||||
| 3269 | llvm::Value *UBParam = CGF.EmitLoadOfScalar(UBLVal, Loc); | ||||||
| 3270 | auto StFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTStride); | ||||||
| 3271 | LValue StLVal = CGF.EmitLValueForField(Base, *StFI); | ||||||
| 3272 | llvm::Value *StParam = CGF.EmitLoadOfScalar(StLVal, Loc); | ||||||
| 3273 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||||
| 3274 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||||
| 3275 | llvm::Value *LIParam = CGF.EmitLoadOfScalar(LILVal, Loc); | ||||||
| 3276 | auto RFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTReductions); | ||||||
| 3277 | LValue RLVal = CGF.EmitLValueForField(Base, *RFI); | ||||||
| 3278 | llvm::Value *RParam = CGF.EmitLoadOfScalar(RLVal, Loc); | ||||||
| 3279 | CallArgs.push_back(LBParam); | ||||||
| 3280 | CallArgs.push_back(UBParam); | ||||||
| 3281 | CallArgs.push_back(StParam); | ||||||
| 3282 | CallArgs.push_back(LIParam); | ||||||
| 3283 | CallArgs.push_back(RParam); | ||||||
| 3284 | } | ||||||
| 3285 | CallArgs.push_back(SharedsParam); | ||||||
| 3286 | |||||||
| 3287 | CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskFunction, | ||||||
| 3288 | CallArgs); | ||||||
| 3289 | CGF.EmitStoreThroughLValue(RValue::get(CGF.Builder.getInt32(/*C=*/0)), | ||||||
| 3290 | CGF.MakeAddrLValue(CGF.ReturnValue, KmpInt32Ty)); | ||||||
| 3291 | CGF.FinishFunction(); | ||||||
| 3292 | return TaskEntry; | ||||||
| 3293 | } | ||||||
| 3294 | |||||||
| 3295 | static llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, | ||||||
| 3296 | SourceLocation Loc, | ||||||
| 3297 | QualType KmpInt32Ty, | ||||||
| 3298 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3299 | QualType KmpTaskTWithPrivatesQTy) { | ||||||
| 3300 | ASTContext &C = CGM.getContext(); | ||||||
| 3301 | FunctionArgList Args; | ||||||
| 3302 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||||
| 3303 | ImplicitParamDecl::Other); | ||||||
| 3304 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3305 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||||
| 3306 | ImplicitParamDecl::Other); | ||||||
| 3307 | Args.push_back(&GtidArg); | ||||||
| 3308 | Args.push_back(&TaskTypeArg); | ||||||
| 3309 | const auto &DestructorFnInfo = | ||||||
| 3310 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||||
| 3311 | llvm::FunctionType *DestructorFnTy = | ||||||
| 3312 | CGM.getTypes().GetFunctionType(DestructorFnInfo); | ||||||
| 3313 | std::string Name = | ||||||
| 3314 | CGM.getOpenMPRuntime().getName({"omp_task_destructor", ""}); | ||||||
| 3315 | auto *DestructorFn = | ||||||
| 3316 | llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 3317 | Name, &CGM.getModule()); | ||||||
| 3318 | CGM.SetInternalFunctionAttributes(GlobalDecl(), DestructorFn, | ||||||
| 3319 | DestructorFnInfo); | ||||||
| 3320 | DestructorFn->setDoesNotRecurse(); | ||||||
| 3321 | CodeGenFunction CGF(CGM); | ||||||
| 3322 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo, | ||||||
| 3323 | Args, Loc, Loc); | ||||||
| 3324 | |||||||
| 3325 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 3326 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||||
| 3327 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3328 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3329 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||||
| 3330 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3331 | Base = CGF.EmitLValueForField(Base, *FI); | ||||||
| 3332 | for (const auto *Field : | ||||||
| 3333 | cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) { | ||||||
| 3334 | if (QualType::DestructionKind DtorKind = | ||||||
| 3335 | Field->getType().isDestructedType()) { | ||||||
| 3336 | LValue FieldLValue = CGF.EmitLValueForField(Base, Field); | ||||||
| 3337 | CGF.pushDestroy(DtorKind, FieldLValue.getAddress(CGF), Field->getType()); | ||||||
| 3338 | } | ||||||
| 3339 | } | ||||||
| 3340 | CGF.FinishFunction(); | ||||||
| 3341 | return DestructorFn; | ||||||
| 3342 | } | ||||||
| 3343 | |||||||
| 3344 | /// Emit a privates mapping function for correct handling of private and | ||||||
| 3345 | /// firstprivate variables. | ||||||
| 3346 | /// \code | ||||||
| 3347 | /// void .omp_task_privates_map.(const .privates. *noalias privs, <ty1> | ||||||
| 3348 | /// **noalias priv1,..., <tyn> **noalias privn) { | ||||||
| 3349 | /// *priv1 = &.privates.priv1; | ||||||
| 3350 | /// ...; | ||||||
| 3351 | /// *privn = &.privates.privn; | ||||||
| 3352 | /// } | ||||||
| 3353 | /// \endcode | ||||||
| 3354 | static llvm::Value * | ||||||
| 3355 | emitTaskPrivateMappingFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3356 | const OMPTaskDataTy &Data, QualType PrivatesQTy, | ||||||
| 3357 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3358 | ASTContext &C = CGM.getContext(); | ||||||
| 3359 | FunctionArgList Args; | ||||||
| 3360 | ImplicitParamDecl TaskPrivatesArg( | ||||||
| 3361 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3362 | C.getPointerType(PrivatesQTy).withConst().withRestrict(), | ||||||
| 3363 | ImplicitParamDecl::Other); | ||||||
| 3364 | Args.push_back(&TaskPrivatesArg); | ||||||
| 3365 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, unsigned> PrivateVarsPos; | ||||||
| 3366 | unsigned Counter = 1; | ||||||
| 3367 | for (const Expr *E : Data.PrivateVars) { | ||||||
| 3368 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3369 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3370 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3371 | .withConst() | ||||||
| 3372 | .withRestrict(), | ||||||
| 3373 | ImplicitParamDecl::Other)); | ||||||
| 3374 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3375 | PrivateVarsPos[VD] = Counter; | ||||||
| 3376 | ++Counter; | ||||||
| 3377 | } | ||||||
| 3378 | for (const Expr *E : Data.FirstprivateVars) { | ||||||
| 3379 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3380 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3381 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3382 | .withConst() | ||||||
| 3383 | .withRestrict(), | ||||||
| 3384 | ImplicitParamDecl::Other)); | ||||||
| 3385 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3386 | PrivateVarsPos[VD] = Counter; | ||||||
| 3387 | ++Counter; | ||||||
| 3388 | } | ||||||
| 3389 | for (const Expr *E : Data.LastprivateVars) { | ||||||
| 3390 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3391 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3392 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3393 | .withConst() | ||||||
| 3394 | .withRestrict(), | ||||||
| 3395 | ImplicitParamDecl::Other)); | ||||||
| 3396 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3397 | PrivateVarsPos[VD] = Counter; | ||||||
| 3398 | ++Counter; | ||||||
| 3399 | } | ||||||
| 3400 | for (const VarDecl *VD : Data.PrivateLocals) { | ||||||
| 3401 | QualType Ty = VD->getType().getNonReferenceType(); | ||||||
| 3402 | if (VD->getType()->isLValueReferenceType()) | ||||||
| 3403 | Ty = C.getPointerType(Ty); | ||||||
| 3404 | if (isAllocatableDecl(VD)) | ||||||
| 3405 | Ty = C.getPointerType(Ty); | ||||||
| 3406 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3407 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3408 | C.getPointerType(C.getPointerType(Ty)).withConst().withRestrict(), | ||||||
| 3409 | ImplicitParamDecl::Other)); | ||||||
| 3410 | PrivateVarsPos[VD] = Counter; | ||||||
| 3411 | ++Counter; | ||||||
| 3412 | } | ||||||
| 3413 | const auto &TaskPrivatesMapFnInfo = | ||||||
| 3414 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 3415 | llvm::FunctionType *TaskPrivatesMapTy = | ||||||
| 3416 | CGM.getTypes().GetFunctionType(TaskPrivatesMapFnInfo); | ||||||
| 3417 | std::string Name = | ||||||
| 3418 | CGM.getOpenMPRuntime().getName({"omp_task_privates_map", ""}); | ||||||
| 3419 | auto *TaskPrivatesMap = llvm::Function::Create( | ||||||
| 3420 | TaskPrivatesMapTy, llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 3421 | &CGM.getModule()); | ||||||
| 3422 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskPrivatesMap, | ||||||
| 3423 | TaskPrivatesMapFnInfo); | ||||||
| 3424 | if (CGM.getLangOpts().Optimize) { | ||||||
| 3425 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::NoInline); | ||||||
| 3426 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||||
| 3427 | TaskPrivatesMap->addFnAttr(llvm::Attribute::AlwaysInline); | ||||||
| 3428 | } | ||||||
| 3429 | CodeGenFunction CGF(CGM); | ||||||
| 3430 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskPrivatesMap, | ||||||
| 3431 | TaskPrivatesMapFnInfo, Args, Loc, Loc); | ||||||
| 3432 | |||||||
| 3433 | // *privi = &.privates.privi; | ||||||
| 3434 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 3435 | CGF.GetAddrOfLocalVar(&TaskPrivatesArg), | ||||||
| 3436 | TaskPrivatesArg.getType()->castAs<PointerType>()); | ||||||
| 3437 | const auto *PrivatesQTyRD = cast<RecordDecl>(PrivatesQTy->getAsTagDecl()); | ||||||
| 3438 | Counter = 0; | ||||||
| 3439 | for (const FieldDecl *Field : PrivatesQTyRD->fields()) { | ||||||
| 3440 | LValue FieldLVal = CGF.EmitLValueForField(Base, Field); | ||||||
| 3441 | const VarDecl *VD = Args[PrivateVarsPos[Privates[Counter].second.Original]]; | ||||||
| 3442 | LValue RefLVal = | ||||||
| 3443 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(VD), VD->getType()); | ||||||
| 3444 | LValue RefLoadLVal = CGF.EmitLoadOfPointerLValue( | ||||||
| 3445 | RefLVal.getAddress(CGF), RefLVal.getType()->castAs<PointerType>()); | ||||||
| 3446 | CGF.EmitStoreOfScalar(FieldLVal.getPointer(CGF), RefLoadLVal); | ||||||
| 3447 | ++Counter; | ||||||
| 3448 | } | ||||||
| 3449 | CGF.FinishFunction(); | ||||||
| 3450 | return TaskPrivatesMap; | ||||||
| 3451 | } | ||||||
| 3452 | |||||||
| 3453 | /// Emit initialization for private variables in task-based directives. | ||||||
| 3454 | static void emitPrivatesInit(CodeGenFunction &CGF, | ||||||
| 3455 | const OMPExecutableDirective &D, | ||||||
| 3456 | Address KmpTaskSharedsPtr, LValue TDBase, | ||||||
| 3457 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3458 | QualType SharedsTy, QualType SharedsPtrTy, | ||||||
| 3459 | const OMPTaskDataTy &Data, | ||||||
| 3460 | ArrayRef<PrivateDataTy> Privates, bool ForDup) { | ||||||
| 3461 | ASTContext &C = CGF.getContext(); | ||||||
| 3462 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3463 | LValue PrivatesBase = CGF.EmitLValueForField(TDBase, *FI); | ||||||
| 3464 | OpenMPDirectiveKind Kind = isOpenMPTaskLoopDirective(D.getDirectiveKind()) | ||||||
| 3465 | ? OMPD_taskloop | ||||||
| 3466 | : OMPD_task; | ||||||
| 3467 | const CapturedStmt &CS = *D.getCapturedStmt(Kind); | ||||||
| 3468 | CodeGenFunction::CGCapturedStmtInfo CapturesInfo(CS); | ||||||
| 3469 | LValue SrcBase; | ||||||
| 3470 | bool IsTargetTask = | ||||||
| 3471 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind()) || | ||||||
| 3472 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()); | ||||||
| 3473 | // For target-based directives skip 4 firstprivate arrays BasePointersArray, | ||||||
| 3474 | // PointersArray, SizesArray, and MappersArray. The original variables for | ||||||
| 3475 | // these arrays are not captured and we get their addresses explicitly. | ||||||
| 3476 | if ((!IsTargetTask && !Data.FirstprivateVars.empty() && ForDup) || | ||||||
| 3477 | (IsTargetTask && KmpTaskSharedsPtr.isValid())) { | ||||||
| 3478 | SrcBase = CGF.MakeAddrLValue( | ||||||
| 3479 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3480 | KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy), | ||||||
| 3481 | CGF.ConvertTypeForMem(SharedsTy)), | ||||||
| 3482 | SharedsTy); | ||||||
| 3483 | } | ||||||
| 3484 | FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin(); | ||||||
| 3485 | for (const PrivateDataTy &Pair : Privates) { | ||||||
| 3486 | // Do not initialize private locals. | ||||||
| 3487 | if (Pair.second.isLocalPrivate()) { | ||||||
| 3488 | ++FI; | ||||||
| 3489 | continue; | ||||||
| 3490 | } | ||||||
| 3491 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||||
| 3492 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 3493 | if (Init && (!ForDup || (isa<CXXConstructExpr>(Init) && | ||||||
| 3494 | !CGF.isTrivialInitializer(Init)))) { | ||||||
| 3495 | LValue PrivateLValue = CGF.EmitLValueForField(PrivatesBase, *FI); | ||||||
| 3496 | if (const VarDecl *Elem = Pair.second.PrivateElemInit) { | ||||||
| 3497 | const VarDecl *OriginalVD = Pair.second.Original; | ||||||
| 3498 | // Check if the variable is the target-based BasePointersArray, | ||||||
| 3499 | // PointersArray, SizesArray, or MappersArray. | ||||||
| 3500 | LValue SharedRefLValue; | ||||||
| 3501 | QualType Type = PrivateLValue.getType(); | ||||||
| 3502 | const FieldDecl *SharedField = CapturesInfo.lookup(OriginalVD); | ||||||
| 3503 | if (IsTargetTask && !SharedField) { | ||||||
| 3504 | assert(isa<ImplicitParamDecl>(OriginalVD) &&(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3505 | isa<CapturedDecl>(OriginalVD->getDeclContext()) &&(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3506 | cast<CapturedDecl>(OriginalVD->getDeclContext())(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3507 | ->getNumParams() == 0 &&(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3508 | isa<TranslationUnitDecl>((static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3509 | cast<CapturedDecl>(OriginalVD->getDeclContext())(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3510 | ->getDeclContext()) &&(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3511 | "Expected artificial target data variable.")(static_cast <bool> (isa<ImplicitParamDecl>(OriginalVD ) && isa<CapturedDecl>(OriginalVD->getDeclContext ()) && cast<CapturedDecl>(OriginalVD->getDeclContext ()) ->getNumParams() == 0 && isa<TranslationUnitDecl >( cast<CapturedDecl>(OriginalVD->getDeclContext( )) ->getDeclContext()) && "Expected artificial target data variable." ) ? void (0) : __assert_fail ("isa<ImplicitParamDecl>(OriginalVD) && isa<CapturedDecl>(OriginalVD->getDeclContext()) && cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getNumParams() == 0 && isa<TranslationUnitDecl>( cast<CapturedDecl>(OriginalVD->getDeclContext()) ->getDeclContext()) && \"Expected artificial target data variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3511, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3512 | SharedRefLValue = | ||||||
| 3513 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(OriginalVD), Type); | ||||||
| 3514 | } else if (ForDup) { | ||||||
| 3515 | SharedRefLValue = CGF.EmitLValueForField(SrcBase, SharedField); | ||||||
| 3516 | SharedRefLValue = CGF.MakeAddrLValue( | ||||||
| 3517 | SharedRefLValue.getAddress(CGF).withAlignment( | ||||||
| 3518 | C.getDeclAlign(OriginalVD)), | ||||||
| 3519 | SharedRefLValue.getType(), LValueBaseInfo(AlignmentSource::Decl), | ||||||
| 3520 | SharedRefLValue.getTBAAInfo()); | ||||||
| 3521 | } else if (CGF.LambdaCaptureFields.count( | ||||||
| 3522 | Pair.second.Original->getCanonicalDecl()) > 0 || | ||||||
| 3523 | isa_and_nonnull<BlockDecl>(CGF.CurCodeDecl)) { | ||||||
| 3524 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | ||||||
| 3525 | } else { | ||||||
| 3526 | // Processing for implicitly captured variables. | ||||||
| 3527 | InlinedOpenMPRegionRAII Region( | ||||||
| 3528 | CGF, [](CodeGenFunction &, PrePostActionTy &) {}, OMPD_unknown, | ||||||
| 3529 | /*HasCancel=*/false, /*NoInheritance=*/true); | ||||||
| 3530 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | ||||||
| 3531 | } | ||||||
| 3532 | if (Type->isArrayType()) { | ||||||
| 3533 | // Initialize firstprivate array. | ||||||
| 3534 | if (!isa<CXXConstructExpr>(Init) || CGF.isTrivialInitializer(Init)) { | ||||||
| 3535 | // Perform simple memcpy. | ||||||
| 3536 | CGF.EmitAggregateAssign(PrivateLValue, SharedRefLValue, Type); | ||||||
| 3537 | } else { | ||||||
| 3538 | // Initialize firstprivate array using element-by-element | ||||||
| 3539 | // initialization. | ||||||
| 3540 | CGF.EmitOMPAggregateAssign( | ||||||
| 3541 | PrivateLValue.getAddress(CGF), SharedRefLValue.getAddress(CGF), | ||||||
| 3542 | Type, | ||||||
| 3543 | [&CGF, Elem, Init, &CapturesInfo](Address DestElement, | ||||||
| 3544 | Address SrcElement) { | ||||||
| 3545 | // Clean up any temporaries needed by the initialization. | ||||||
| 3546 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||||
| 3547 | InitScope.addPrivate(Elem, SrcElement); | ||||||
| 3548 | (void)InitScope.Privatize(); | ||||||
| 3549 | // Emit initialization for single element. | ||||||
| 3550 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII( | ||||||
| 3551 | CGF, &CapturesInfo); | ||||||
| 3552 | CGF.EmitAnyExprToMem(Init, DestElement, | ||||||
| 3553 | Init->getType().getQualifiers(), | ||||||
| 3554 | /*IsInitializer=*/false); | ||||||
| 3555 | }); | ||||||
| 3556 | } | ||||||
| 3557 | } else { | ||||||
| 3558 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||||
| 3559 | InitScope.addPrivate(Elem, SharedRefLValue.getAddress(CGF)); | ||||||
| 3560 | (void)InitScope.Privatize(); | ||||||
| 3561 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CapturesInfo); | ||||||
| 3562 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, | ||||||
| 3563 | /*capturedByInit=*/false); | ||||||
| 3564 | } | ||||||
| 3565 | } else { | ||||||
| 3566 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false); | ||||||
| 3567 | } | ||||||
| 3568 | } | ||||||
| 3569 | ++FI; | ||||||
| 3570 | } | ||||||
| 3571 | } | ||||||
| 3572 | |||||||
| 3573 | /// Check if duplication function is required for taskloops. | ||||||
| 3574 | static bool checkInitIsRequired(CodeGenFunction &CGF, | ||||||
| 3575 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3576 | bool InitRequired = false; | ||||||
| 3577 | for (const PrivateDataTy &Pair : Privates) { | ||||||
| 3578 | if (Pair.second.isLocalPrivate()) | ||||||
| 3579 | continue; | ||||||
| 3580 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||||
| 3581 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 3582 | InitRequired = InitRequired || (isa_and_nonnull<CXXConstructExpr>(Init) && | ||||||
| 3583 | !CGF.isTrivialInitializer(Init)); | ||||||
| 3584 | if (InitRequired) | ||||||
| 3585 | break; | ||||||
| 3586 | } | ||||||
| 3587 | return InitRequired; | ||||||
| 3588 | } | ||||||
| 3589 | |||||||
| 3590 | |||||||
| 3591 | /// Emit task_dup function (for initialization of | ||||||
| 3592 | /// private/firstprivate/lastprivate vars and last_iter flag) | ||||||
| 3593 | /// \code | ||||||
| 3594 | /// void __task_dup_entry(kmp_task_t *task_dst, const kmp_task_t *task_src, int | ||||||
| 3595 | /// lastpriv) { | ||||||
| 3596 | /// // setup lastprivate flag | ||||||
| 3597 | /// task_dst->last = lastpriv; | ||||||
| 3598 | /// // could be constructor calls here... | ||||||
| 3599 | /// } | ||||||
| 3600 | /// \endcode | ||||||
| 3601 | static llvm::Value * | ||||||
| 3602 | emitTaskDupFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3603 | const OMPExecutableDirective &D, | ||||||
| 3604 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3605 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3606 | const RecordDecl *KmpTaskTQTyRD, QualType SharedsTy, | ||||||
| 3607 | QualType SharedsPtrTy, const OMPTaskDataTy &Data, | ||||||
| 3608 | ArrayRef<PrivateDataTy> Privates, bool WithLastIter) { | ||||||
| 3609 | ASTContext &C = CGM.getContext(); | ||||||
| 3610 | FunctionArgList Args; | ||||||
| 3611 | ImplicitParamDecl DstArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3612 | KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3613 | ImplicitParamDecl::Other); | ||||||
| 3614 | ImplicitParamDecl SrcArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3615 | KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3616 | ImplicitParamDecl::Other); | ||||||
| 3617 | ImplicitParamDecl LastprivArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.IntTy, | ||||||
| 3618 | ImplicitParamDecl::Other); | ||||||
| 3619 | Args.push_back(&DstArg); | ||||||
| 3620 | Args.push_back(&SrcArg); | ||||||
| 3621 | Args.push_back(&LastprivArg); | ||||||
| 3622 | const auto &TaskDupFnInfo = | ||||||
| 3623 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 3624 | llvm::FunctionType *TaskDupTy = CGM.getTypes().GetFunctionType(TaskDupFnInfo); | ||||||
| 3625 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_dup", ""}); | ||||||
| 3626 | auto *TaskDup = llvm::Function::Create( | ||||||
| 3627 | TaskDupTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||||
| 3628 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskDup, TaskDupFnInfo); | ||||||
| 3629 | TaskDup->setDoesNotRecurse(); | ||||||
| 3630 | CodeGenFunction CGF(CGM); | ||||||
| 3631 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskDup, TaskDupFnInfo, Args, Loc, | ||||||
| 3632 | Loc); | ||||||
| 3633 | |||||||
| 3634 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3635 | CGF.GetAddrOfLocalVar(&DstArg), | ||||||
| 3636 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3637 | // task_dst->liter = lastpriv; | ||||||
| 3638 | if (WithLastIter) { | ||||||
| 3639 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||||
| 3640 | LValue Base = CGF.EmitLValueForField( | ||||||
| 3641 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3642 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||||
| 3643 | llvm::Value *Lastpriv = CGF.EmitLoadOfScalar( | ||||||
| 3644 | CGF.GetAddrOfLocalVar(&LastprivArg), /*Volatile=*/false, C.IntTy, Loc); | ||||||
| 3645 | CGF.EmitStoreOfScalar(Lastpriv, LILVal); | ||||||
| 3646 | } | ||||||
| 3647 | |||||||
| 3648 | // Emit initial values for private copies (if any). | ||||||
| 3649 | assert(!Privates.empty())(static_cast <bool> (!Privates.empty()) ? void (0) : __assert_fail ("!Privates.empty()", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3649, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3650 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||||
| 3651 | if (!Data.FirstprivateVars.empty()) { | ||||||
| 3652 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3653 | CGF.GetAddrOfLocalVar(&SrcArg), | ||||||
| 3654 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3655 | LValue Base = CGF.EmitLValueForField( | ||||||
| 3656 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3657 | KmpTaskSharedsPtr = Address( | ||||||
| 3658 | CGF.EmitLoadOfScalar(CGF.EmitLValueForField( | ||||||
| 3659 | Base, *std::next(KmpTaskTQTyRD->field_begin(), | ||||||
| 3660 | KmpTaskTShareds)), | ||||||
| 3661 | Loc), | ||||||
| 3662 | CGF.Int8Ty, CGM.getNaturalTypeAlignment(SharedsTy)); | ||||||
| 3663 | } | ||||||
| 3664 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, TDBase, KmpTaskTWithPrivatesQTyRD, | ||||||
| 3665 | SharedsTy, SharedsPtrTy, Data, Privates, /*ForDup=*/true); | ||||||
| 3666 | CGF.FinishFunction(); | ||||||
| 3667 | return TaskDup; | ||||||
| 3668 | } | ||||||
| 3669 | |||||||
| 3670 | /// Checks if destructor function is required to be generated. | ||||||
| 3671 | /// \return true if cleanups are required, false otherwise. | ||||||
| 3672 | static bool | ||||||
| 3673 | checkDestructorsRequired(const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3674 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3675 | for (const PrivateDataTy &P : Privates) { | ||||||
| 3676 | if (P.second.isLocalPrivate()) | ||||||
| 3677 | continue; | ||||||
| 3678 | QualType Ty = P.second.Original->getType().getNonReferenceType(); | ||||||
| 3679 | if (Ty.isDestructedType()) | ||||||
| 3680 | return true; | ||||||
| 3681 | } | ||||||
| 3682 | return false; | ||||||
| 3683 | } | ||||||
| 3684 | |||||||
| 3685 | namespace { | ||||||
| 3686 | /// Loop generator for OpenMP iterator expression. | ||||||
| 3687 | class OMPIteratorGeneratorScope final | ||||||
| 3688 | : public CodeGenFunction::OMPPrivateScope { | ||||||
| 3689 | CodeGenFunction &CGF; | ||||||
| 3690 | const OMPIteratorExpr *E = nullptr; | ||||||
| 3691 | SmallVector<CodeGenFunction::JumpDest, 4> ContDests; | ||||||
| 3692 | SmallVector<CodeGenFunction::JumpDest, 4> ExitDests; | ||||||
| 3693 | OMPIteratorGeneratorScope() = delete; | ||||||
| 3694 | OMPIteratorGeneratorScope(OMPIteratorGeneratorScope &) = delete; | ||||||
| 3695 | |||||||
| 3696 | public: | ||||||
| 3697 | OMPIteratorGeneratorScope(CodeGenFunction &CGF, const OMPIteratorExpr *E) | ||||||
| 3698 | : CodeGenFunction::OMPPrivateScope(CGF), CGF(CGF), E(E) { | ||||||
| 3699 | if (!E) | ||||||
| 3700 | return; | ||||||
| 3701 | SmallVector<llvm::Value *, 4> Uppers; | ||||||
| 3702 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | ||||||
| 3703 | Uppers.push_back(CGF.EmitScalarExpr(E->getHelper(I).Upper)); | ||||||
| 3704 | const auto *VD = cast<VarDecl>(E->getIteratorDecl(I)); | ||||||
| 3705 | addPrivate(VD, CGF.CreateMemTemp(VD->getType(), VD->getName())); | ||||||
| 3706 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | ||||||
| 3707 | addPrivate( | ||||||
| 3708 | HelperData.CounterVD, | ||||||
| 3709 | CGF.CreateMemTemp(HelperData.CounterVD->getType(), "counter.addr")); | ||||||
| 3710 | } | ||||||
| 3711 | Privatize(); | ||||||
| 3712 | |||||||
| 3713 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | ||||||
| 3714 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | ||||||
| 3715 | LValue CLVal = | ||||||
| 3716 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(HelperData.CounterVD), | ||||||
| 3717 | HelperData.CounterVD->getType()); | ||||||
| 3718 | // Counter = 0; | ||||||
| 3719 | CGF.EmitStoreOfScalar( | ||||||
| 3720 | llvm::ConstantInt::get(CLVal.getAddress(CGF).getElementType(), 0), | ||||||
| 3721 | CLVal); | ||||||
| 3722 | CodeGenFunction::JumpDest &ContDest = | ||||||
| 3723 | ContDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.cont")); | ||||||
| 3724 | CodeGenFunction::JumpDest &ExitDest = | ||||||
| 3725 | ExitDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.exit")); | ||||||
| 3726 | // N = <number-of_iterations>; | ||||||
| 3727 | llvm::Value *N = Uppers[I]; | ||||||
| 3728 | // cont: | ||||||
| 3729 | // if (Counter < N) goto body; else goto exit; | ||||||
| 3730 | CGF.EmitBlock(ContDest.getBlock()); | ||||||
| 3731 | auto *CVal = | ||||||
| 3732 | CGF.EmitLoadOfScalar(CLVal, HelperData.CounterVD->getLocation()); | ||||||
| 3733 | llvm::Value *Cmp = | ||||||
| 3734 | HelperData.CounterVD->getType()->isSignedIntegerOrEnumerationType() | ||||||
| 3735 | ? CGF.Builder.CreateICmpSLT(CVal, N) | ||||||
| 3736 | : CGF.Builder.CreateICmpULT(CVal, N); | ||||||
| 3737 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("iter.body"); | ||||||
| 3738 | CGF.Builder.CreateCondBr(Cmp, BodyBB, ExitDest.getBlock()); | ||||||
| 3739 | // body: | ||||||
| 3740 | CGF.EmitBlock(BodyBB); | ||||||
| 3741 | // Iteri = Begini + Counter * Stepi; | ||||||
| 3742 | CGF.EmitIgnoredExpr(HelperData.Update); | ||||||
| 3743 | } | ||||||
| 3744 | } | ||||||
| 3745 | ~OMPIteratorGeneratorScope() { | ||||||
| 3746 | if (!E) | ||||||
| 3747 | return; | ||||||
| 3748 | for (unsigned I = E->numOfIterators(); I > 0; --I) { | ||||||
| 3749 | // Counter = Counter + 1; | ||||||
| 3750 | const OMPIteratorHelperData &HelperData = E->getHelper(I - 1); | ||||||
| 3751 | CGF.EmitIgnoredExpr(HelperData.CounterUpdate); | ||||||
| 3752 | // goto cont; | ||||||
| 3753 | CGF.EmitBranchThroughCleanup(ContDests[I - 1]); | ||||||
| 3754 | // exit: | ||||||
| 3755 | CGF.EmitBlock(ExitDests[I - 1].getBlock(), /*IsFinished=*/I == 1); | ||||||
| 3756 | } | ||||||
| 3757 | } | ||||||
| 3758 | }; | ||||||
| 3759 | } // namespace | ||||||
| 3760 | |||||||
| 3761 | static std::pair<llvm::Value *, llvm::Value *> | ||||||
| 3762 | getPointerAndSize(CodeGenFunction &CGF, const Expr *E) { | ||||||
| 3763 | const auto *OASE = dyn_cast<OMPArrayShapingExpr>(E); | ||||||
| 3764 | llvm::Value *Addr; | ||||||
| 3765 | if (OASE) { | ||||||
| 3766 | const Expr *Base = OASE->getBase(); | ||||||
| 3767 | Addr = CGF.EmitScalarExpr(Base); | ||||||
| 3768 | } else { | ||||||
| 3769 | Addr = CGF.EmitLValue(E).getPointer(CGF); | ||||||
| 3770 | } | ||||||
| 3771 | llvm::Value *SizeVal; | ||||||
| 3772 | QualType Ty = E->getType(); | ||||||
| 3773 | if (OASE) { | ||||||
| 3774 | SizeVal = CGF.getTypeSize(OASE->getBase()->getType()->getPointeeType()); | ||||||
| 3775 | for (const Expr *SE : OASE->getDimensions()) { | ||||||
| 3776 | llvm::Value *Sz = CGF.EmitScalarExpr(SE); | ||||||
| 3777 | Sz = CGF.EmitScalarConversion( | ||||||
| 3778 | Sz, SE->getType(), CGF.getContext().getSizeType(), SE->getExprLoc()); | ||||||
| 3779 | SizeVal = CGF.Builder.CreateNUWMul(SizeVal, Sz); | ||||||
| 3780 | } | ||||||
| 3781 | } else if (const auto *ASE = | ||||||
| 3782 | dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) { | ||||||
| 3783 | LValue UpAddrLVal = | ||||||
| 3784 | CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); | ||||||
| 3785 | Address UpAddrAddress = UpAddrLVal.getAddress(CGF); | ||||||
| 3786 | llvm::Value *UpAddr = CGF.Builder.CreateConstGEP1_32( | ||||||
| 3787 | UpAddrAddress.getElementType(), UpAddrAddress.getPointer(), /*Idx0=*/1); | ||||||
| 3788 | llvm::Value *LowIntPtr = CGF.Builder.CreatePtrToInt(Addr, CGF.SizeTy); | ||||||
| 3789 | llvm::Value *UpIntPtr = CGF.Builder.CreatePtrToInt(UpAddr, CGF.SizeTy); | ||||||
| 3790 | SizeVal = CGF.Builder.CreateNUWSub(UpIntPtr, LowIntPtr); | ||||||
| 3791 | } else { | ||||||
| 3792 | SizeVal = CGF.getTypeSize(Ty); | ||||||
| 3793 | } | ||||||
| 3794 | return std::make_pair(Addr, SizeVal); | ||||||
| 3795 | } | ||||||
| 3796 | |||||||
| 3797 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | ||||||
| 3798 | static void getKmpAffinityType(ASTContext &C, QualType &KmpTaskAffinityInfoTy) { | ||||||
| 3799 | QualType FlagsTy = C.getIntTypeForBitwidth(32, /*Signed=*/false); | ||||||
| 3800 | if (KmpTaskAffinityInfoTy.isNull()) { | ||||||
| 3801 | RecordDecl *KmpAffinityInfoRD = | ||||||
| 3802 | C.buildImplicitRecord("kmp_task_affinity_info_t"); | ||||||
| 3803 | KmpAffinityInfoRD->startDefinition(); | ||||||
| 3804 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getIntPtrType()); | ||||||
| 3805 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getSizeType()); | ||||||
| 3806 | addFieldToRecordDecl(C, KmpAffinityInfoRD, FlagsTy); | ||||||
| 3807 | KmpAffinityInfoRD->completeDefinition(); | ||||||
| 3808 | KmpTaskAffinityInfoTy = C.getRecordType(KmpAffinityInfoRD); | ||||||
| 3809 | } | ||||||
| 3810 | } | ||||||
| 3811 | |||||||
| 3812 | CGOpenMPRuntime::TaskResultTy | ||||||
| 3813 | CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 3814 | const OMPExecutableDirective &D, | ||||||
| 3815 | llvm::Function *TaskFunction, QualType SharedsTy, | ||||||
| 3816 | Address Shareds, const OMPTaskDataTy &Data) { | ||||||
| 3817 | ASTContext &C = CGM.getContext(); | ||||||
| 3818 | llvm::SmallVector<PrivateDataTy, 4> Privates; | ||||||
| 3819 | // Aggregate privates and sort them by the alignment. | ||||||
| 3820 | const auto *I = Data.PrivateCopies.begin(); | ||||||
| 3821 | for (const Expr *E : Data.PrivateVars) { | ||||||
| 3822 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3823 | Privates.emplace_back( | ||||||
| 3824 | C.getDeclAlign(VD), | ||||||
| 3825 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3826 | /*PrivateElemInit=*/nullptr)); | ||||||
| 3827 | ++I; | ||||||
| 3828 | } | ||||||
| 3829 | I = Data.FirstprivateCopies.begin(); | ||||||
| 3830 | const auto *IElemInitRef = Data.FirstprivateInits.begin(); | ||||||
| 3831 | for (const Expr *E : Data.FirstprivateVars) { | ||||||
| 3832 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3833 | Privates.emplace_back( | ||||||
| 3834 | C.getDeclAlign(VD), | ||||||
| 3835 | PrivateHelpersTy( | ||||||
| 3836 | E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3837 | cast<VarDecl>(cast<DeclRefExpr>(*IElemInitRef)->getDecl()))); | ||||||
| 3838 | ++I; | ||||||
| 3839 | ++IElemInitRef; | ||||||
| 3840 | } | ||||||
| 3841 | I = Data.LastprivateCopies.begin(); | ||||||
| 3842 | for (const Expr *E : Data.LastprivateVars) { | ||||||
| 3843 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3844 | Privates.emplace_back( | ||||||
| 3845 | C.getDeclAlign(VD), | ||||||
| 3846 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3847 | /*PrivateElemInit=*/nullptr)); | ||||||
| 3848 | ++I; | ||||||
| 3849 | } | ||||||
| 3850 | for (const VarDecl *VD : Data.PrivateLocals) { | ||||||
| 3851 | if (isAllocatableDecl(VD)) | ||||||
| 3852 | Privates.emplace_back(CGM.getPointerAlign(), PrivateHelpersTy(VD)); | ||||||
| 3853 | else | ||||||
| 3854 | Privates.emplace_back(C.getDeclAlign(VD), PrivateHelpersTy(VD)); | ||||||
| 3855 | } | ||||||
| 3856 | llvm::stable_sort(Privates, | ||||||
| 3857 | [](const PrivateDataTy &L, const PrivateDataTy &R) { | ||||||
| 3858 | return L.first > R.first; | ||||||
| 3859 | }); | ||||||
| 3860 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||||
| 3861 | // Build type kmp_routine_entry_t (if not built yet). | ||||||
| 3862 | emitKmpRoutineEntryT(KmpInt32Ty); | ||||||
| 3863 | // Build type kmp_task_t (if not built yet). | ||||||
| 3864 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) { | ||||||
| 3865 | if (SavedKmpTaskloopTQTy.isNull()) { | ||||||
| 3866 | SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||||
| 3867 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||||
| 3868 | } | ||||||
| 3869 | KmpTaskTQTy = SavedKmpTaskloopTQTy; | ||||||
| 3870 | } else { | ||||||
| 3871 | assert((D.getDirectiveKind() == OMPD_task ||(static_cast <bool> ((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && "Expected taskloop, task or target directive") ? void (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3874, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3872 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()) ||(static_cast <bool> ((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && "Expected taskloop, task or target directive") ? void (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3874, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3873 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) &&(static_cast <bool> ((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && "Expected taskloop, task or target directive") ? void (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3874, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3874 | "Expected taskloop, task or target directive")(static_cast <bool> ((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && "Expected taskloop, task or target directive") ? void (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 3874, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3875 | if (SavedKmpTaskTQTy.isNull()) { | ||||||
| 3876 | SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||||
| 3877 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||||
| 3878 | } | ||||||
| 3879 | KmpTaskTQTy = SavedKmpTaskTQTy; | ||||||
| 3880 | } | ||||||
| 3881 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||||
| 3882 | // Build particular struct kmp_task_t for the given task. | ||||||
| 3883 | const RecordDecl *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3884 | createKmpTaskTWithPrivatesRecordDecl(CGM, KmpTaskTQTy, Privates); | ||||||
| 3885 | QualType KmpTaskTWithPrivatesQTy = C.getRecordType(KmpTaskTWithPrivatesQTyRD); | ||||||
| 3886 | QualType KmpTaskTWithPrivatesPtrQTy = | ||||||
| 3887 | C.getPointerType(KmpTaskTWithPrivatesQTy); | ||||||
| 3888 | llvm::Type *KmpTaskTWithPrivatesTy = CGF.ConvertType(KmpTaskTWithPrivatesQTy); | ||||||
| 3889 | llvm::Type *KmpTaskTWithPrivatesPtrTy = | ||||||
| 3890 | KmpTaskTWithPrivatesTy->getPointerTo(); | ||||||
| 3891 | llvm::Value *KmpTaskTWithPrivatesTySize = | ||||||
| 3892 | CGF.getTypeSize(KmpTaskTWithPrivatesQTy); | ||||||
| 3893 | QualType SharedsPtrTy = C.getPointerType(SharedsTy); | ||||||
| 3894 | |||||||
| 3895 | // Emit initial values for private copies (if any). | ||||||
| 3896 | llvm::Value *TaskPrivatesMap = nullptr; | ||||||
| 3897 | llvm::Type *TaskPrivatesMapTy = | ||||||
| 3898 | std::next(TaskFunction->arg_begin(), 3)->getType(); | ||||||
| 3899 | if (!Privates.empty()) { | ||||||
| 3900 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3901 | TaskPrivatesMap = | ||||||
| 3902 | emitTaskPrivateMappingFunction(CGM, Loc, Data, FI->getType(), Privates); | ||||||
| 3903 | TaskPrivatesMap = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3904 | TaskPrivatesMap, TaskPrivatesMapTy); | ||||||
| 3905 | } else { | ||||||
| 3906 | TaskPrivatesMap = llvm::ConstantPointerNull::get( | ||||||
| 3907 | cast<llvm::PointerType>(TaskPrivatesMapTy)); | ||||||
| 3908 | } | ||||||
| 3909 | // Build a proxy function kmp_int32 .omp_task_entry.(kmp_int32 gtid, | ||||||
| 3910 | // kmp_task_t *tt); | ||||||
| 3911 | llvm::Function *TaskEntry = emitProxyTaskFunction( | ||||||
| 3912 | CGM, Loc, D.getDirectiveKind(), KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3913 | KmpTaskTWithPrivatesQTy, KmpTaskTQTy, SharedsPtrTy, TaskFunction, | ||||||
| 3914 | TaskPrivatesMap); | ||||||
| 3915 | |||||||
| 3916 | // Build call kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | ||||||
| 3917 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||||
| 3918 | // kmp_routine_entry_t *task_entry); | ||||||
| 3919 | // Task flags. Format is taken from | ||||||
| 3920 | // https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h, | ||||||
| 3921 | // description of kmp_tasking_flags struct. | ||||||
| 3922 | enum { | ||||||
| 3923 | TiedFlag = 0x1, | ||||||
| 3924 | FinalFlag = 0x2, | ||||||
| 3925 | DestructorsFlag = 0x8, | ||||||
| 3926 | PriorityFlag = 0x20, | ||||||
| 3927 | DetachableFlag = 0x40, | ||||||
| 3928 | }; | ||||||
| 3929 | unsigned Flags = Data.Tied ? TiedFlag : 0; | ||||||
| 3930 | bool NeedsCleanup = false; | ||||||
| 3931 | if (!Privates.empty()) { | ||||||
| 3932 | NeedsCleanup = | ||||||
| 3933 | checkDestructorsRequired(KmpTaskTWithPrivatesQTyRD, Privates); | ||||||
| 3934 | if (NeedsCleanup) | ||||||
| 3935 | Flags = Flags | DestructorsFlag; | ||||||
| 3936 | } | ||||||
| 3937 | if (Data.Priority.getInt()) | ||||||
| 3938 | Flags = Flags | PriorityFlag; | ||||||
| 3939 | if (D.hasClausesOfKind<OMPDetachClause>()) | ||||||
| 3940 | Flags = Flags | DetachableFlag; | ||||||
| 3941 | llvm::Value *TaskFlags = | ||||||
| 3942 | Data.Final.getPointer() | ||||||
| 3943 | ? CGF.Builder.CreateSelect(Data.Final.getPointer(), | ||||||
| 3944 | CGF.Builder.getInt32(FinalFlag), | ||||||
| 3945 | CGF.Builder.getInt32(/*C=*/0)) | ||||||
| 3946 | : CGF.Builder.getInt32(Data.Final.getInt() ? FinalFlag : 0); | ||||||
| 3947 | TaskFlags = CGF.Builder.CreateOr(TaskFlags, CGF.Builder.getInt32(Flags)); | ||||||
| 3948 | llvm::Value *SharedsSize = CGM.getSize(C.getTypeSizeInChars(SharedsTy)); | ||||||
| 3949 | SmallVector<llvm::Value *, 8> AllocArgs = {emitUpdateLocation(CGF, Loc), | ||||||
| 3950 | getThreadID(CGF, Loc), TaskFlags, KmpTaskTWithPrivatesTySize, | ||||||
| 3951 | SharedsSize, CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3952 | TaskEntry, KmpRoutineEntryPtrTy)}; | ||||||
| 3953 | llvm::Value *NewTask; | ||||||
| 3954 | if (D.hasClausesOfKind<OMPNowaitClause>()) { | ||||||
| 3955 | // Check if we have any device clause associated with the directive. | ||||||
| 3956 | const Expr *Device = nullptr; | ||||||
| 3957 | if (auto *C = D.getSingleClause<OMPDeviceClause>()) | ||||||
| 3958 | Device = C->getDevice(); | ||||||
| 3959 | // Emit device ID if any otherwise use default value. | ||||||
| 3960 | llvm::Value *DeviceID; | ||||||
| 3961 | if (Device) | ||||||
| 3962 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||||
| 3963 | CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 3964 | else | ||||||
| 3965 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 3966 | AllocArgs.push_back(DeviceID); | ||||||
| 3967 | NewTask = CGF.EmitRuntimeCall( | ||||||
| 3968 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3969 | CGM.getModule(), OMPRTL___kmpc_omp_target_task_alloc), | ||||||
| 3970 | AllocArgs); | ||||||
| 3971 | } else { | ||||||
| 3972 | NewTask = | ||||||
| 3973 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3974 | CGM.getModule(), OMPRTL___kmpc_omp_task_alloc), | ||||||
| 3975 | AllocArgs); | ||||||
| 3976 | } | ||||||
| 3977 | // Emit detach clause initialization. | ||||||
| 3978 | // evt = (typeof(evt))__kmpc_task_allow_completion_event(loc, tid, | ||||||
| 3979 | // task_descriptor); | ||||||
| 3980 | if (const auto *DC = D.getSingleClause<OMPDetachClause>()) { | ||||||
| 3981 | const Expr *Evt = DC->getEventHandler()->IgnoreParenImpCasts(); | ||||||
| 3982 | LValue EvtLVal = CGF.EmitLValue(Evt); | ||||||
| 3983 | |||||||
| 3984 | // Build kmp_event_t *__kmpc_task_allow_completion_event(ident_t *loc_ref, | ||||||
| 3985 | // int gtid, kmp_task_t *task); | ||||||
| 3986 | llvm::Value *Loc = emitUpdateLocation(CGF, DC->getBeginLoc()); | ||||||
| 3987 | llvm::Value *Tid = getThreadID(CGF, DC->getBeginLoc()); | ||||||
| 3988 | Tid = CGF.Builder.CreateIntCast(Tid, CGF.IntTy, /*isSigned=*/false); | ||||||
| 3989 | llvm::Value *EvtVal = CGF.EmitRuntimeCall( | ||||||
| 3990 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3991 | CGM.getModule(), OMPRTL___kmpc_task_allow_completion_event), | ||||||
| 3992 | {Loc, Tid, NewTask}); | ||||||
| 3993 | EvtVal = CGF.EmitScalarConversion(EvtVal, C.VoidPtrTy, Evt->getType(), | ||||||
| 3994 | Evt->getExprLoc()); | ||||||
| 3995 | CGF.EmitStoreOfScalar(EvtVal, EvtLVal); | ||||||
| 3996 | } | ||||||
| 3997 | // Process affinity clauses. | ||||||
| 3998 | if (D.hasClausesOfKind<OMPAffinityClause>()) { | ||||||
| 3999 | // Process list of affinity data. | ||||||
| 4000 | ASTContext &C = CGM.getContext(); | ||||||
| 4001 | Address AffinitiesArray = Address::invalid(); | ||||||
| 4002 | // Calculate number of elements to form the array of affinity data. | ||||||
| 4003 | llvm::Value *NumOfElements = nullptr; | ||||||
| 4004 | unsigned NumAffinities = 0; | ||||||
| 4005 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 4006 | if (const Expr *Modifier = C->getModifier()) { | ||||||
| 4007 | const auto *IE = cast<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts()); | ||||||
| 4008 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 4009 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 4010 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | ||||||
| 4011 | NumOfElements = | ||||||
| 4012 | NumOfElements ? CGF.Builder.CreateNUWMul(NumOfElements, Sz) : Sz; | ||||||
| 4013 | } | ||||||
| 4014 | } else { | ||||||
| 4015 | NumAffinities += C->varlist_size(); | ||||||
| 4016 | } | ||||||
| 4017 | } | ||||||
| 4018 | getKmpAffinityType(CGM.getContext(), KmpTaskAffinityInfoTy); | ||||||
| 4019 | // Fields ids in kmp_task_affinity_info record. | ||||||
| 4020 | enum RTLAffinityInfoFieldsTy { BaseAddr, Len, Flags }; | ||||||
| 4021 | |||||||
| 4022 | QualType KmpTaskAffinityInfoArrayTy; | ||||||
| 4023 | if (NumOfElements) { | ||||||
| 4024 | NumOfElements = CGF.Builder.CreateNUWAdd( | ||||||
| 4025 | llvm::ConstantInt::get(CGF.SizeTy, NumAffinities), NumOfElements); | ||||||
| 4026 | auto *OVE = new (C) OpaqueValueExpr( | ||||||
| 4027 | Loc, | ||||||
| 4028 | C.getIntTypeForBitwidth(C.getTypeSize(C.getSizeType()), /*Signed=*/0), | ||||||
| 4029 | VK_PRValue); | ||||||
| 4030 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, OVE, | ||||||
| 4031 | RValue::get(NumOfElements)); | ||||||
| 4032 | KmpTaskAffinityInfoArrayTy = | ||||||
| 4033 | C.getVariableArrayType(KmpTaskAffinityInfoTy, OVE, ArrayType::Normal, | ||||||
| 4034 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | ||||||
| 4035 | // Properly emit variable-sized array. | ||||||
| 4036 | auto *PD = ImplicitParamDecl::Create(C, KmpTaskAffinityInfoArrayTy, | ||||||
| 4037 | ImplicitParamDecl::Other); | ||||||
| 4038 | CGF.EmitVarDecl(*PD); | ||||||
| 4039 | AffinitiesArray = CGF.GetAddrOfLocalVar(PD); | ||||||
| 4040 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | ||||||
| 4041 | /*isSigned=*/false); | ||||||
| 4042 | } else { | ||||||
| 4043 | KmpTaskAffinityInfoArrayTy = C.getConstantArrayType( | ||||||
| 4044 | KmpTaskAffinityInfoTy, | ||||||
| 4045 | llvm::APInt(C.getTypeSize(C.getSizeType()), NumAffinities), nullptr, | ||||||
| 4046 | ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4047 | AffinitiesArray = | ||||||
| 4048 | CGF.CreateMemTemp(KmpTaskAffinityInfoArrayTy, ".affs.arr.addr"); | ||||||
| 4049 | AffinitiesArray = CGF.Builder.CreateConstArrayGEP(AffinitiesArray, 0); | ||||||
| 4050 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumAffinities, | ||||||
| 4051 | /*isSigned=*/false); | ||||||
| 4052 | } | ||||||
| 4053 | |||||||
| 4054 | const auto *KmpAffinityInfoRD = KmpTaskAffinityInfoTy->getAsRecordDecl(); | ||||||
| 4055 | // Fill array by elements without iterators. | ||||||
| 4056 | unsigned Pos = 0; | ||||||
| 4057 | bool HasIterator = false; | ||||||
| 4058 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 4059 | if (C->getModifier()) { | ||||||
| 4060 | HasIterator = true; | ||||||
| 4061 | continue; | ||||||
| 4062 | } | ||||||
| 4063 | for (const Expr *E : C->varlists()) { | ||||||
| 4064 | llvm::Value *Addr; | ||||||
| 4065 | llvm::Value *Size; | ||||||
| 4066 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4067 | LValue Base = | ||||||
| 4068 | CGF.MakeAddrLValue(CGF.Builder.CreateConstGEP(AffinitiesArray, Pos), | ||||||
| 4069 | KmpTaskAffinityInfoTy); | ||||||
| 4070 | // affs[i].base_addr = &<Affinities[i].second>; | ||||||
| 4071 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4072 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | ||||||
| 4073 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | ||||||
| 4074 | BaseAddrLVal); | ||||||
| 4075 | // affs[i].len = sizeof(<Affinities[i].second>); | ||||||
| 4076 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4077 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | ||||||
| 4078 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4079 | ++Pos; | ||||||
| 4080 | } | ||||||
| 4081 | } | ||||||
| 4082 | LValue PosLVal; | ||||||
| 4083 | if (HasIterator) { | ||||||
| 4084 | PosLVal = CGF.MakeAddrLValue( | ||||||
| 4085 | CGF.CreateMemTemp(C.getSizeType(), "affs.counter.addr"), | ||||||
| 4086 | C.getSizeType()); | ||||||
| 4087 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | ||||||
| 4088 | } | ||||||
| 4089 | // Process elements with iterators. | ||||||
| 4090 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 4091 | const Expr *Modifier = C->getModifier(); | ||||||
| 4092 | if (!Modifier) | ||||||
| 4093 | continue; | ||||||
| 4094 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4095 | CGF, cast_or_null<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts())); | ||||||
| 4096 | for (const Expr *E : C->varlists()) { | ||||||
| 4097 | llvm::Value *Addr; | ||||||
| 4098 | llvm::Value *Size; | ||||||
| 4099 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4100 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4101 | LValue Base = CGF.MakeAddrLValue( | ||||||
| 4102 | CGF.Builder.CreateGEP(AffinitiesArray, Idx), KmpTaskAffinityInfoTy); | ||||||
| 4103 | // affs[i].base_addr = &<Affinities[i].second>; | ||||||
| 4104 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4105 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | ||||||
| 4106 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | ||||||
| 4107 | BaseAddrLVal); | ||||||
| 4108 | // affs[i].len = sizeof(<Affinities[i].second>); | ||||||
| 4109 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4110 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | ||||||
| 4111 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4112 | Idx = CGF.Builder.CreateNUWAdd( | ||||||
| 4113 | Idx, llvm::ConstantInt::get(Idx->getType(), 1)); | ||||||
| 4114 | CGF.EmitStoreOfScalar(Idx, PosLVal); | ||||||
| 4115 | } | ||||||
| 4116 | } | ||||||
| 4117 | // Call to kmp_int32 __kmpc_omp_reg_task_with_affinity(ident_t *loc_ref, | ||||||
| 4118 | // kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 | ||||||
| 4119 | // naffins, kmp_task_affinity_info_t *affin_list); | ||||||
| 4120 | llvm::Value *LocRef = emitUpdateLocation(CGF, Loc); | ||||||
| 4121 | llvm::Value *GTid = getThreadID(CGF, Loc); | ||||||
| 4122 | llvm::Value *AffinListPtr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4123 | AffinitiesArray.getPointer(), CGM.VoidPtrTy); | ||||||
| 4124 | // FIXME: Emit the function and ignore its result for now unless the | ||||||
| 4125 | // runtime function is properly implemented. | ||||||
| 4126 | (void)CGF.EmitRuntimeCall( | ||||||
| 4127 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4128 | CGM.getModule(), OMPRTL___kmpc_omp_reg_task_with_affinity), | ||||||
| 4129 | {LocRef, GTid, NewTask, NumOfElements, AffinListPtr}); | ||||||
| 4130 | } | ||||||
| 4131 | llvm::Value *NewTaskNewTaskTTy = | ||||||
| 4132 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4133 | NewTask, KmpTaskTWithPrivatesPtrTy); | ||||||
| 4134 | LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, | ||||||
| 4135 | KmpTaskTWithPrivatesQTy); | ||||||
| 4136 | LValue TDBase = | ||||||
| 4137 | CGF.EmitLValueForField(Base, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 4138 | // Fill the data in the resulting kmp_task_t record. | ||||||
| 4139 | // Copy shareds if there are any. | ||||||
| 4140 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||||
| 4141 | if (!SharedsTy->getAsStructureType()->getDecl()->field_empty()) { | ||||||
| 4142 | KmpTaskSharedsPtr = Address( | ||||||
| 4143 | CGF.EmitLoadOfScalar( | ||||||
| 4144 | CGF.EmitLValueForField( | ||||||
| 4145 | TDBase, | ||||||
| 4146 | *std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds)), | ||||||
| 4147 | Loc), | ||||||
| 4148 | CGF.Int8Ty, CGM.getNaturalTypeAlignment(SharedsTy)); | ||||||
| 4149 | LValue Dest = CGF.MakeAddrLValue(KmpTaskSharedsPtr, SharedsTy); | ||||||
| 4150 | LValue Src = CGF.MakeAddrLValue(Shareds, SharedsTy); | ||||||
| 4151 | CGF.EmitAggregateCopy(Dest, Src, SharedsTy, AggValueSlot::DoesNotOverlap); | ||||||
| 4152 | } | ||||||
| 4153 | // Emit initial values for private copies (if any). | ||||||
| 4154 | TaskResultTy Result; | ||||||
| 4155 | if (!Privates.empty()) { | ||||||
| 4156 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, Base, KmpTaskTWithPrivatesQTyRD, | ||||||
| 4157 | SharedsTy, SharedsPtrTy, Data, Privates, | ||||||
| 4158 | /*ForDup=*/false); | ||||||
| 4159 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind()) && | ||||||
| 4160 | (!Data.LastprivateVars.empty() || checkInitIsRequired(CGF, Privates))) { | ||||||
| 4161 | Result.TaskDupFn = emitTaskDupFunction( | ||||||
| 4162 | CGM, Loc, D, KmpTaskTWithPrivatesPtrQTy, KmpTaskTWithPrivatesQTyRD, | ||||||
| 4163 | KmpTaskTQTyRD, SharedsTy, SharedsPtrTy, Data, Privates, | ||||||
| 4164 | /*WithLastIter=*/!Data.LastprivateVars.empty()); | ||||||
| 4165 | } | ||||||
| 4166 | } | ||||||
| 4167 | // Fields of union "kmp_cmplrdata_t" for destructors and priority. | ||||||
| 4168 | enum { Priority = 0, Destructors = 1 }; | ||||||
| 4169 | // Provide pointer to function with destructors for privates. | ||||||
| 4170 | auto FI = std::next(KmpTaskTQTyRD->field_begin(), Data1); | ||||||
| 4171 | const RecordDecl *KmpCmplrdataUD = | ||||||
| 4172 | (*FI)->getType()->getAsUnionType()->getDecl(); | ||||||
| 4173 | if (NeedsCleanup) { | ||||||
| 4174 | llvm::Value *DestructorFn = emitDestructorsFunction( | ||||||
| 4175 | CGM, Loc, KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||||
| 4176 | KmpTaskTWithPrivatesQTy); | ||||||
| 4177 | LValue Data1LV = CGF.EmitLValueForField(TDBase, *FI); | ||||||
| 4178 | LValue DestructorsLV = CGF.EmitLValueForField( | ||||||
| 4179 | Data1LV, *std::next(KmpCmplrdataUD->field_begin(), Destructors)); | ||||||
| 4180 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4181 | DestructorFn, KmpRoutineEntryPtrTy), | ||||||
| 4182 | DestructorsLV); | ||||||
| 4183 | } | ||||||
| 4184 | // Set priority. | ||||||
| 4185 | if (Data.Priority.getInt()) { | ||||||
| 4186 | LValue Data2LV = CGF.EmitLValueForField( | ||||||
| 4187 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), Data2)); | ||||||
| 4188 | LValue PriorityLV = CGF.EmitLValueForField( | ||||||
| 4189 | Data2LV, *std::next(KmpCmplrdataUD->field_begin(), Priority)); | ||||||
| 4190 | CGF.EmitStoreOfScalar(Data.Priority.getPointer(), PriorityLV); | ||||||
| 4191 | } | ||||||
| 4192 | Result.NewTask = NewTask; | ||||||
| 4193 | Result.TaskEntry = TaskEntry; | ||||||
| 4194 | Result.NewTaskNewTaskTTy = NewTaskNewTaskTTy; | ||||||
| 4195 | Result.TDBase = TDBase; | ||||||
| 4196 | Result.KmpTaskTQTyRD = KmpTaskTQTyRD; | ||||||
| 4197 | return Result; | ||||||
| 4198 | } | ||||||
| 4199 | |||||||
| 4200 | /// Translates internal dependency kind into the runtime kind. | ||||||
| 4201 | static RTLDependenceKindTy translateDependencyKind(OpenMPDependClauseKind K) { | ||||||
| 4202 | RTLDependenceKindTy DepKind; | ||||||
| 4203 | switch (K) { | ||||||
| 4204 | case OMPC_DEPEND_in: | ||||||
| 4205 | DepKind = RTLDependenceKindTy::DepIn; | ||||||
| 4206 | break; | ||||||
| 4207 | // Out and InOut dependencies must use the same code. | ||||||
| 4208 | case OMPC_DEPEND_out: | ||||||
| 4209 | case OMPC_DEPEND_inout: | ||||||
| 4210 | DepKind = RTLDependenceKindTy::DepInOut; | ||||||
| 4211 | break; | ||||||
| 4212 | case OMPC_DEPEND_mutexinoutset: | ||||||
| 4213 | DepKind = RTLDependenceKindTy::DepMutexInOutSet; | ||||||
| 4214 | break; | ||||||
| 4215 | case OMPC_DEPEND_inoutset: | ||||||
| 4216 | DepKind = RTLDependenceKindTy::DepInOutSet; | ||||||
| 4217 | break; | ||||||
| 4218 | case OMPC_DEPEND_outallmemory: | ||||||
| 4219 | DepKind = RTLDependenceKindTy::DepOmpAllMem; | ||||||
| 4220 | break; | ||||||
| 4221 | case OMPC_DEPEND_source: | ||||||
| 4222 | case OMPC_DEPEND_sink: | ||||||
| 4223 | case OMPC_DEPEND_depobj: | ||||||
| 4224 | case OMPC_DEPEND_inoutallmemory: | ||||||
| 4225 | case OMPC_DEPEND_unknown: | ||||||
| 4226 | llvm_unreachable("Unknown task dependence type")::llvm::llvm_unreachable_internal("Unknown task dependence type" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4226); | ||||||
| 4227 | } | ||||||
| 4228 | return DepKind; | ||||||
| 4229 | } | ||||||
| 4230 | |||||||
| 4231 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | ||||||
| 4232 | static void getDependTypes(ASTContext &C, QualType &KmpDependInfoTy, | ||||||
| 4233 | QualType &FlagsTy) { | ||||||
| 4234 | FlagsTy = C.getIntTypeForBitwidth(C.getTypeSize(C.BoolTy), /*Signed=*/false); | ||||||
| 4235 | if (KmpDependInfoTy.isNull()) { | ||||||
| 4236 | RecordDecl *KmpDependInfoRD = C.buildImplicitRecord("kmp_depend_info"); | ||||||
| 4237 | KmpDependInfoRD->startDefinition(); | ||||||
| 4238 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getIntPtrType()); | ||||||
| 4239 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getSizeType()); | ||||||
| 4240 | addFieldToRecordDecl(C, KmpDependInfoRD, FlagsTy); | ||||||
| 4241 | KmpDependInfoRD->completeDefinition(); | ||||||
| 4242 | KmpDependInfoTy = C.getRecordType(KmpDependInfoRD); | ||||||
| 4243 | } | ||||||
| 4244 | } | ||||||
| 4245 | |||||||
| 4246 | std::pair<llvm::Value *, LValue> | ||||||
| 4247 | CGOpenMPRuntime::getDepobjElements(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4248 | SourceLocation Loc) { | ||||||
| 4249 | ASTContext &C = CGM.getContext(); | ||||||
| 4250 | QualType FlagsTy; | ||||||
| 4251 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4252 | RecordDecl *KmpDependInfoRD = | ||||||
| 4253 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4254 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | ||||||
| 4255 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 4256 | CGF.Builder.CreateElementBitCast( | ||||||
| 4257 | DepobjLVal.getAddress(CGF), | ||||||
| 4258 | CGF.ConvertTypeForMem(KmpDependInfoPtrTy)), | ||||||
| 4259 | KmpDependInfoPtrTy->castAs<PointerType>()); | ||||||
| 4260 | Address DepObjAddr = CGF.Builder.CreateGEP( | ||||||
| 4261 | Base.getAddress(CGF), | ||||||
| 4262 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | ||||||
| 4263 | LValue NumDepsBase = CGF.MakeAddrLValue( | ||||||
| 4264 | DepObjAddr, KmpDependInfoTy, Base.getBaseInfo(), Base.getTBAAInfo()); | ||||||
| 4265 | // NumDeps = deps[i].base_addr; | ||||||
| 4266 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4267 | NumDepsBase, | ||||||
| 4268 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4269 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4270 | llvm::Value *NumDeps = CGF.EmitLoadOfScalar(BaseAddrLVal, Loc); | ||||||
| 4271 | return std::make_pair(NumDeps, Base); | ||||||
| 4272 | } | ||||||
| 4273 | |||||||
| 4274 | static void emitDependData(CodeGenFunction &CGF, QualType &KmpDependInfoTy, | ||||||
| 4275 | llvm::PointerUnion<unsigned *, LValue *> Pos, | ||||||
| 4276 | const OMPTaskDataTy::DependData &Data, | ||||||
| 4277 | Address DependenciesArray) { | ||||||
| 4278 | CodeGenModule &CGM = CGF.CGM; | ||||||
| 4279 | ASTContext &C = CGM.getContext(); | ||||||
| 4280 | QualType FlagsTy; | ||||||
| 4281 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4282 | RecordDecl *KmpDependInfoRD = | ||||||
| 4283 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4284 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | ||||||
| 4285 | |||||||
| 4286 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4287 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4288 | Data.IteratorExpr
| ||||||
| 4289 | : nullptr)); | ||||||
| 4290 | for (const Expr *E : Data.DepExprs) { | ||||||
| 4291 | llvm::Value *Addr; | ||||||
| 4292 | llvm::Value *Size; | ||||||
| 4293 | |||||||
| 4294 | // The expression will be a nullptr in the 'omp_all_memory' case. | ||||||
| 4295 | if (E) { | ||||||
| 4296 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4297 | Addr = CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy); | ||||||
| 4298 | } else { | ||||||
| 4299 | Addr = llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4300 | Size = llvm::ConstantInt::get(CGF.SizeTy, 0); | ||||||
| 4301 | } | ||||||
| 4302 | LValue Base; | ||||||
| 4303 | if (unsigned *P = Pos.dyn_cast<unsigned *>()) { | ||||||
| 4304 | Base = CGF.MakeAddrLValue( | ||||||
| 4305 | CGF.Builder.CreateConstGEP(DependenciesArray, *P), KmpDependInfoTy); | ||||||
| 4306 | } else { | ||||||
| 4307 | assert(E && "Expected a non-null expression")(static_cast <bool> (E && "Expected a non-null expression" ) ? void (0) : __assert_fail ("E && \"Expected a non-null expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4307, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4308 | LValue &PosLVal = *Pos.get<LValue *>(); | ||||||
| 4309 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4310 | Base = CGF.MakeAddrLValue( | ||||||
| 4311 | CGF.Builder.CreateGEP(DependenciesArray, Idx), KmpDependInfoTy); | ||||||
| 4312 | } | ||||||
| 4313 | // deps[i].base_addr = &<Dependencies[i].second>; | ||||||
| 4314 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4315 | Base, | ||||||
| 4316 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4317 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4318 | CGF.EmitStoreOfScalar(Addr, BaseAddrLVal); | ||||||
| 4319 | // deps[i].len = sizeof(<Dependencies[i].second>); | ||||||
| 4320 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4321 | Base, *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4322 | static_cast<unsigned int>(RTLDependInfoFields::Len))); | ||||||
| 4323 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4324 | // deps[i].flags = <Dependencies[i].first>; | ||||||
| 4325 | RTLDependenceKindTy DepKind = translateDependencyKind(Data.DepKind); | ||||||
| 4326 | LValue FlagsLVal = CGF.EmitLValueForField( | ||||||
| 4327 | Base, | ||||||
| 4328 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4329 | static_cast<unsigned int>(RTLDependInfoFields::Flags))); | ||||||
| 4330 | CGF.EmitStoreOfScalar( | ||||||
| 4331 | llvm::ConstantInt::get(LLVMFlagsTy, static_cast<unsigned int>(DepKind)), | ||||||
| 4332 | FlagsLVal); | ||||||
| 4333 | if (unsigned *P
| ||||||
| 4334 | ++(*P); | ||||||
| 4335 | } else { | ||||||
| 4336 | LValue &PosLVal = *Pos.get<LValue *>(); | ||||||
| 4337 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| |||||||
| 4338 | Idx = CGF.Builder.CreateNUWAdd(Idx, | ||||||
| 4339 | llvm::ConstantInt::get(Idx->getType(), 1)); | ||||||
| 4340 | CGF.EmitStoreOfScalar(Idx, PosLVal); | ||||||
| 4341 | } | ||||||
| 4342 | } | ||||||
| 4343 | } | ||||||
| 4344 | |||||||
| 4345 | SmallVector<llvm::Value *, 4> CGOpenMPRuntime::emitDepobjElementsSizes( | ||||||
| 4346 | CodeGenFunction &CGF, QualType &KmpDependInfoTy, | ||||||
| 4347 | const OMPTaskDataTy::DependData &Data) { | ||||||
| 4348 | assert(Data.DepKind == OMPC_DEPEND_depobj &&(static_cast <bool> (Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependency kind.") ? void (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependency kind.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4349, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 4349 | "Expected depobj dependency kind.")(static_cast <bool> (Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependency kind.") ? void (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependency kind.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4349, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4350 | SmallVector<llvm::Value *, 4> Sizes; | ||||||
| 4351 | SmallVector<LValue, 4> SizeLVals; | ||||||
| 4352 | ASTContext &C = CGF.getContext(); | ||||||
| 4353 | { | ||||||
| 4354 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4355 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4356 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | ||||||
| 4357 | : nullptr)); | ||||||
| 4358 | for (const Expr *E : Data.DepExprs) { | ||||||
| 4359 | llvm::Value *NumDeps; | ||||||
| 4360 | LValue Base; | ||||||
| 4361 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | ||||||
| 4362 | std::tie(NumDeps, Base) = | ||||||
| 4363 | getDepobjElements(CGF, DepobjLVal, E->getExprLoc()); | ||||||
| 4364 | LValue NumLVal = CGF.MakeAddrLValue( | ||||||
| 4365 | CGF.CreateMemTemp(C.getUIntPtrType(), "depobj.size.addr"), | ||||||
| 4366 | C.getUIntPtrType()); | ||||||
| 4367 | CGF.Builder.CreateStore(llvm::ConstantInt::get(CGF.IntPtrTy, 0), | ||||||
| 4368 | NumLVal.getAddress(CGF)); | ||||||
| 4369 | llvm::Value *PrevVal = CGF.EmitLoadOfScalar(NumLVal, E->getExprLoc()); | ||||||
| 4370 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(PrevVal, NumDeps); | ||||||
| 4371 | CGF.EmitStoreOfScalar(Add, NumLVal); | ||||||
| 4372 | SizeLVals.push_back(NumLVal); | ||||||
| 4373 | } | ||||||
| 4374 | } | ||||||
| 4375 | for (unsigned I = 0, E = SizeLVals.size(); I < E; ++I) { | ||||||
| 4376 | llvm::Value *Size = | ||||||
| 4377 | CGF.EmitLoadOfScalar(SizeLVals[I], Data.DepExprs[I]->getExprLoc()); | ||||||
| 4378 | Sizes.push_back(Size); | ||||||
| 4379 | } | ||||||
| 4380 | return Sizes; | ||||||
| 4381 | } | ||||||
| 4382 | |||||||
| 4383 | void CGOpenMPRuntime::emitDepobjElements(CodeGenFunction &CGF, | ||||||
| 4384 | QualType &KmpDependInfoTy, | ||||||
| 4385 | LValue PosLVal, | ||||||
| 4386 | const OMPTaskDataTy::DependData &Data, | ||||||
| 4387 | Address DependenciesArray) { | ||||||
| 4388 | assert(Data.DepKind == OMPC_DEPEND_depobj &&(static_cast <bool> (Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependency kind.") ? void (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependency kind.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4389, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 4389 | "Expected depobj dependency kind.")(static_cast <bool> (Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependency kind.") ? void (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependency kind.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4389, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4390 | llvm::Value *ElSize = CGF.getTypeSize(KmpDependInfoTy); | ||||||
| 4391 | { | ||||||
| 4392 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4393 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4394 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | ||||||
| 4395 | : nullptr)); | ||||||
| 4396 | for (unsigned I = 0, End = Data.DepExprs.size(); I < End; ++I) { | ||||||
| 4397 | const Expr *E = Data.DepExprs[I]; | ||||||
| 4398 | llvm::Value *NumDeps; | ||||||
| 4399 | LValue Base; | ||||||
| 4400 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | ||||||
| 4401 | std::tie(NumDeps, Base) = | ||||||
| 4402 | getDepobjElements(CGF, DepobjLVal, E->getExprLoc()); | ||||||
| 4403 | |||||||
| 4404 | // memcopy dependency data. | ||||||
| 4405 | llvm::Value *Size = CGF.Builder.CreateNUWMul( | ||||||
| 4406 | ElSize, | ||||||
| 4407 | CGF.Builder.CreateIntCast(NumDeps, CGF.SizeTy, /*isSigned=*/false)); | ||||||
| 4408 | llvm::Value *Pos = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4409 | Address DepAddr = CGF.Builder.CreateGEP(DependenciesArray, Pos); | ||||||
| 4410 | CGF.Builder.CreateMemCpy(DepAddr, Base.getAddress(CGF), Size); | ||||||
| 4411 | |||||||
| 4412 | // Increase pos. | ||||||
| 4413 | // pos += size; | ||||||
| 4414 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(Pos, NumDeps); | ||||||
| 4415 | CGF.EmitStoreOfScalar(Add, PosLVal); | ||||||
| 4416 | } | ||||||
| 4417 | } | ||||||
| 4418 | } | ||||||
| 4419 | |||||||
| 4420 | std::pair<llvm::Value *, Address> CGOpenMPRuntime::emitDependClause( | ||||||
| 4421 | CodeGenFunction &CGF, ArrayRef<OMPTaskDataTy::DependData> Dependencies, | ||||||
| 4422 | SourceLocation Loc) { | ||||||
| 4423 | if (llvm::all_of(Dependencies, [](const OMPTaskDataTy::DependData &D) { | ||||||
| 4424 | return D.DepExprs.empty(); | ||||||
| 4425 | })) | ||||||
| 4426 | return std::make_pair(nullptr, Address::invalid()); | ||||||
| 4427 | // Process list of dependencies. | ||||||
| 4428 | ASTContext &C = CGM.getContext(); | ||||||
| 4429 | Address DependenciesArray = Address::invalid(); | ||||||
| 4430 | llvm::Value *NumOfElements = nullptr; | ||||||
| 4431 | unsigned NumDependencies = std::accumulate( | ||||||
| 4432 | Dependencies.begin(), Dependencies.end(), 0, | ||||||
| 4433 | [](unsigned V, const OMPTaskDataTy::DependData &D) { | ||||||
| 4434 | return D.DepKind == OMPC_DEPEND_depobj | ||||||
| 4435 | ? V | ||||||
| 4436 | : (V + (D.IteratorExpr ? 0 : D.DepExprs.size())); | ||||||
| 4437 | }); | ||||||
| 4438 | QualType FlagsTy; | ||||||
| 4439 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4440 | bool HasDepobjDeps = false; | ||||||
| 4441 | bool HasRegularWithIterators = false; | ||||||
| 4442 | llvm::Value *NumOfDepobjElements = llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4443 | llvm::Value *NumOfRegularWithIterators = | ||||||
| 4444 | llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4445 | // Calculate number of depobj dependencies and regular deps with the | ||||||
| 4446 | // iterators. | ||||||
| 4447 | for (const OMPTaskDataTy::DependData &D : Dependencies) { | ||||||
| 4448 | if (D.DepKind == OMPC_DEPEND_depobj) { | ||||||
| 4449 | SmallVector<llvm::Value *, 4> Sizes = | ||||||
| 4450 | emitDepobjElementsSizes(CGF, KmpDependInfoTy, D); | ||||||
| 4451 | for (llvm::Value *Size : Sizes) { | ||||||
| 4452 | NumOfDepobjElements = | ||||||
| 4453 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, Size); | ||||||
| 4454 | } | ||||||
| 4455 | HasDepobjDeps = true; | ||||||
| 4456 | continue; | ||||||
| 4457 | } | ||||||
| 4458 | // Include number of iterations, if any. | ||||||
| 4459 | |||||||
| 4460 | if (const auto *IE = cast_or_null<OMPIteratorExpr>(D.IteratorExpr)) { | ||||||
| 4461 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 4462 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 4463 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.IntPtrTy, /*isSigned=*/false); | ||||||
| 4464 | llvm::Value *NumClauseDeps = CGF.Builder.CreateNUWMul( | ||||||
| 4465 | Sz, llvm::ConstantInt::get(CGF.IntPtrTy, D.DepExprs.size())); | ||||||
| 4466 | NumOfRegularWithIterators = | ||||||
| 4467 | CGF.Builder.CreateNUWAdd(NumOfRegularWithIterators, NumClauseDeps); | ||||||
| 4468 | } | ||||||
| 4469 | HasRegularWithIterators = true; | ||||||
| 4470 | continue; | ||||||
| 4471 | } | ||||||
| 4472 | } | ||||||
| 4473 | |||||||
| 4474 | QualType KmpDependInfoArrayTy; | ||||||
| 4475 | if (HasDepobjDeps || HasRegularWithIterators) { | ||||||
| 4476 | NumOfElements = llvm::ConstantInt::get(CGM.IntPtrTy, NumDependencies, | ||||||
| 4477 | /*isSigned=*/false); | ||||||
| 4478 | if (HasDepobjDeps) { | ||||||
| 4479 | NumOfElements = | ||||||
| 4480 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, NumOfElements); | ||||||
| 4481 | } | ||||||
| 4482 | if (HasRegularWithIterators) { | ||||||
| 4483 | NumOfElements = | ||||||
| 4484 | CGF.Builder.CreateNUWAdd(NumOfRegularWithIterators, NumOfElements); | ||||||
| 4485 | } | ||||||
| 4486 | auto *OVE = new (C) OpaqueValueExpr( | ||||||
| 4487 | Loc, C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0), | ||||||
| 4488 | VK_PRValue); | ||||||
| 4489 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, OVE, | ||||||
| 4490 | RValue::get(NumOfElements)); | ||||||
| 4491 | KmpDependInfoArrayTy = | ||||||
| 4492 | C.getVariableArrayType(KmpDependInfoTy, OVE, ArrayType::Normal, | ||||||
| 4493 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | ||||||
| 4494 | // CGF.EmitVariablyModifiedType(KmpDependInfoArrayTy); | ||||||
| 4495 | // Properly emit variable-sized array. | ||||||
| 4496 | auto *PD = ImplicitParamDecl::Create(C, KmpDependInfoArrayTy, | ||||||
| 4497 | ImplicitParamDecl::Other); | ||||||
| 4498 | CGF.EmitVarDecl(*PD); | ||||||
| 4499 | DependenciesArray = CGF.GetAddrOfLocalVar(PD); | ||||||
| 4500 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | ||||||
| 4501 | /*isSigned=*/false); | ||||||
| 4502 | } else { | ||||||
| 4503 | KmpDependInfoArrayTy = C.getConstantArrayType( | ||||||
| 4504 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies), nullptr, | ||||||
| 4505 | ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4506 | DependenciesArray = | ||||||
| 4507 | CGF.CreateMemTemp(KmpDependInfoArrayTy, ".dep.arr.addr"); | ||||||
| 4508 | DependenciesArray = CGF.Builder.CreateConstArrayGEP(DependenciesArray, 0); | ||||||
| 4509 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumDependencies, | ||||||
| 4510 | /*isSigned=*/false); | ||||||
| 4511 | } | ||||||
| 4512 | unsigned Pos = 0; | ||||||
| 4513 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4514 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | ||||||
| 4515 | Dependencies[I].IteratorExpr) | ||||||
| 4516 | continue; | ||||||
| 4517 | emitDependData(CGF, KmpDependInfoTy, &Pos, Dependencies[I], | ||||||
| 4518 | DependenciesArray); | ||||||
| 4519 | } | ||||||
| 4520 | // Copy regular dependencies with iterators. | ||||||
| 4521 | LValue PosLVal = CGF.MakeAddrLValue( | ||||||
| 4522 | CGF.CreateMemTemp(C.getSizeType(), "dep.counter.addr"), C.getSizeType()); | ||||||
| 4523 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | ||||||
| 4524 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4525 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | ||||||
| 4526 | !Dependencies[I].IteratorExpr) | ||||||
| 4527 | continue; | ||||||
| 4528 | emitDependData(CGF, KmpDependInfoTy, &PosLVal, Dependencies[I], | ||||||
| 4529 | DependenciesArray); | ||||||
| 4530 | } | ||||||
| 4531 | // Copy final depobj arrays without iterators. | ||||||
| 4532 | if (HasDepobjDeps) { | ||||||
| 4533 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4534 | if (Dependencies[I].DepKind != OMPC_DEPEND_depobj) | ||||||
| 4535 | continue; | ||||||
| 4536 | emitDepobjElements(CGF, KmpDependInfoTy, PosLVal, Dependencies[I], | ||||||
| 4537 | DependenciesArray); | ||||||
| 4538 | } | ||||||
| 4539 | } | ||||||
| 4540 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4541 | DependenciesArray, CGF.VoidPtrTy, CGF.Int8Ty); | ||||||
| 4542 | return std::make_pair(NumOfElements, DependenciesArray); | ||||||
| 4543 | } | ||||||
| 4544 | |||||||
| 4545 | Address CGOpenMPRuntime::emitDepobjDependClause( | ||||||
| 4546 | CodeGenFunction &CGF, const OMPTaskDataTy::DependData &Dependencies, | ||||||
| 4547 | SourceLocation Loc) { | ||||||
| 4548 | if (Dependencies.DepExprs.empty()) | ||||||
| |||||||
| 4549 | return Address::invalid(); | ||||||
| 4550 | // Process list of dependencies. | ||||||
| 4551 | ASTContext &C = CGM.getContext(); | ||||||
| 4552 | Address DependenciesArray = Address::invalid(); | ||||||
| 4553 | unsigned NumDependencies = Dependencies.DepExprs.size(); | ||||||
| 4554 | QualType FlagsTy; | ||||||
| 4555 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4556 | RecordDecl *KmpDependInfoRD = | ||||||
| 4557 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4558 | |||||||
| 4559 | llvm::Value *Size; | ||||||
| 4560 | // Define type kmp_depend_info[<Dependencies.size()>]; | ||||||
| 4561 | // For depobj reserve one extra element to store the number of elements. | ||||||
| 4562 | // It is required to handle depobj(x) update(in) construct. | ||||||
| 4563 | // kmp_depend_info[<Dependencies.size()>] deps; | ||||||
| 4564 | llvm::Value *NumDepsVal; | ||||||
| 4565 | CharUnits Align = C.getTypeAlignInChars(KmpDependInfoTy); | ||||||
| 4566 | if (const auto *IE
| ||||||
| 4567 | cast_or_null<OMPIteratorExpr>(Dependencies.IteratorExpr)) { | ||||||
| 4568 | NumDepsVal = llvm::ConstantInt::get(CGF.SizeTy, 1); | ||||||
| 4569 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 4570 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 4571 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | ||||||
| 4572 | NumDepsVal = CGF.Builder.CreateNUWMul(NumDepsVal, Sz); | ||||||
| 4573 | } | ||||||
| 4574 | Size = CGF.Builder.CreateNUWAdd(llvm::ConstantInt::get(CGF.SizeTy, 1), | ||||||
| 4575 | NumDepsVal); | ||||||
| 4576 | CharUnits SizeInBytes = | ||||||
| 4577 | C.getTypeSizeInChars(KmpDependInfoTy).alignTo(Align); | ||||||
| 4578 | llvm::Value *RecSize = CGM.getSize(SizeInBytes); | ||||||
| 4579 | Size = CGF.Builder.CreateNUWMul(Size, RecSize); | ||||||
| 4580 | NumDepsVal = | ||||||
| 4581 | CGF.Builder.CreateIntCast(NumDepsVal, CGF.IntPtrTy, /*isSigned=*/false); | ||||||
| 4582 | } else { | ||||||
| 4583 | QualType KmpDependInfoArrayTy = C.getConstantArrayType( | ||||||
| 4584 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies + 1), | ||||||
| 4585 | nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4586 | CharUnits Sz = C.getTypeSizeInChars(KmpDependInfoArrayTy); | ||||||
| 4587 | Size = CGM.getSize(Sz.alignTo(Align)); | ||||||
| 4588 | NumDepsVal = llvm::ConstantInt::get(CGF.IntPtrTy, NumDependencies); | ||||||
| 4589 | } | ||||||
| 4590 | // Need to allocate on the dynamic memory. | ||||||
| 4591 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4592 | // Use default allocator. | ||||||
| 4593 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4594 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | ||||||
| 4595 | |||||||
| 4596 | llvm::Value *Addr = | ||||||
| 4597 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4598 | CGM.getModule(), OMPRTL___kmpc_alloc), | ||||||
| 4599 | Args, ".dep.arr.addr"); | ||||||
| 4600 | llvm::Type *KmpDependInfoLlvmTy = CGF.ConvertTypeForMem(KmpDependInfoTy); | ||||||
| 4601 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4602 | Addr, KmpDependInfoLlvmTy->getPointerTo()); | ||||||
| 4603 | DependenciesArray = Address(Addr, KmpDependInfoLlvmTy, Align); | ||||||
| 4604 | // Write number of elements in the first element of array for depobj. | ||||||
| 4605 | LValue Base = CGF.MakeAddrLValue(DependenciesArray, KmpDependInfoTy); | ||||||
| 4606 | // deps[i].base_addr = NumDependencies; | ||||||
| 4607 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4608 | Base, | ||||||
| 4609 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4610 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4611 | CGF.EmitStoreOfScalar(NumDepsVal, BaseAddrLVal); | ||||||
| 4612 | llvm::PointerUnion<unsigned *, LValue *> Pos; | ||||||
| 4613 | unsigned Idx = 1; | ||||||
| 4614 | LValue PosLVal; | ||||||
| 4615 | if (Dependencies.IteratorExpr
| ||||||
| 4616 | PosLVal = CGF.MakeAddrLValue( | ||||||
| 4617 | CGF.CreateMemTemp(C.getSizeType(), "iterator.counter.addr"), | ||||||
| 4618 | C.getSizeType()); | ||||||
| 4619 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Idx), PosLVal, | ||||||
| 4620 | /*IsInit=*/true); | ||||||
| 4621 | Pos = &PosLVal; | ||||||
| 4622 | } else { | ||||||
| 4623 | Pos = &Idx; | ||||||
| 4624 | } | ||||||
| 4625 | emitDependData(CGF, KmpDependInfoTy, Pos, Dependencies, DependenciesArray); | ||||||
| 4626 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4627 | CGF.Builder.CreateConstGEP(DependenciesArray, 1), CGF.VoidPtrTy, | ||||||
| 4628 | CGF.Int8Ty); | ||||||
| 4629 | return DependenciesArray; | ||||||
| 4630 | } | ||||||
| 4631 | |||||||
| 4632 | void CGOpenMPRuntime::emitDestroyClause(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4633 | SourceLocation Loc) { | ||||||
| 4634 | ASTContext &C = CGM.getContext(); | ||||||
| 4635 | QualType FlagsTy; | ||||||
| 4636 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4637 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 4638 | DepobjLVal.getAddress(CGF), C.VoidPtrTy.castAs<PointerType>()); | ||||||
| 4639 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | ||||||
| 4640 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4641 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy), | ||||||
| 4642 | CGF.ConvertTypeForMem(KmpDependInfoTy)); | ||||||
| 4643 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | ||||||
| 4644 | Addr.getElementType(), Addr.getPointer(), | ||||||
| 4645 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | ||||||
| 4646 | DepObjAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(DepObjAddr, | ||||||
| 4647 | CGF.VoidPtrTy); | ||||||
| 4648 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4649 | // Use default allocator. | ||||||
| 4650 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4651 | llvm::Value *Args[] = {ThreadID, DepObjAddr, Allocator}; | ||||||
| 4652 | |||||||
| 4653 | // _kmpc_free(gtid, addr, nullptr); | ||||||
| 4654 | (void)CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4655 | CGM.getModule(), OMPRTL___kmpc_free), | ||||||
| 4656 | Args); | ||||||
| 4657 | } | ||||||
| 4658 | |||||||
| 4659 | void CGOpenMPRuntime::emitUpdateClause(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4660 | OpenMPDependClauseKind NewDepKind, | ||||||
| 4661 | SourceLocation Loc) { | ||||||
| 4662 | ASTContext &C = CGM.getContext(); | ||||||
| 4663 | QualType FlagsTy; | ||||||
| 4664 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4665 | RecordDecl *KmpDependInfoRD = | ||||||
| 4666 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4667 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | ||||||
| 4668 | llvm::Value *NumDeps; | ||||||
| 4669 | LValue Base; | ||||||
| 4670 | std::tie(NumDeps, Base) = getDepobjElements(CGF, DepobjLVal, Loc); | ||||||
| 4671 | |||||||
| 4672 | Address Begin = Base.getAddress(CGF); | ||||||
| 4673 | // Cast from pointer to array type to pointer to single element. | ||||||
| 4674 | llvm::Value *End = CGF.Builder.CreateGEP( | ||||||
| 4675 | Begin.getElementType(), Begin.getPointer(), NumDeps); | ||||||
| 4676 | // The basic structure here is a while-do loop. | ||||||
| 4677 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.body"); | ||||||
| 4678 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.done"); | ||||||
| 4679 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||||
| 4680 | CGF.EmitBlock(BodyBB); | ||||||
| 4681 | llvm::PHINode *ElementPHI = | ||||||
| 4682 | CGF.Builder.CreatePHI(Begin.getType(), 2, "omp.elementPast"); | ||||||
| 4683 | ElementPHI->addIncoming(Begin.getPointer(), EntryBB); | ||||||
| 4684 | Begin = Begin.withPointer(ElementPHI, KnownNonNull); | ||||||
| 4685 | Base = CGF.MakeAddrLValue(Begin, KmpDependInfoTy, Base.getBaseInfo(), | ||||||
| 4686 | Base.getTBAAInfo()); | ||||||
| 4687 | // deps[i].flags = NewDepKind; | ||||||
| 4688 | RTLDependenceKindTy DepKind = translateDependencyKind(NewDepKind); | ||||||
| 4689 | LValue FlagsLVal = CGF.EmitLValueForField( | ||||||
| 4690 | Base, *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4691 | static_cast<unsigned int>(RTLDependInfoFields::Flags))); | ||||||
| 4692 | CGF.EmitStoreOfScalar( | ||||||
| 4693 | llvm::ConstantInt::get(LLVMFlagsTy, static_cast<unsigned int>(DepKind)), | ||||||
| 4694 | FlagsLVal); | ||||||
| 4695 | |||||||
| 4696 | // Shift the address forward by one element. | ||||||
| 4697 | Address ElementNext = | ||||||
| 4698 | CGF.Builder.CreateConstGEP(Begin, /*Index=*/1, "omp.elementNext"); | ||||||
| 4699 | ElementPHI->addIncoming(ElementNext.getPointer(), | ||||||
| 4700 | CGF.Builder.GetInsertBlock()); | ||||||
| 4701 | llvm::Value *IsEmpty = | ||||||
| 4702 | CGF.Builder.CreateICmpEQ(ElementNext.getPointer(), End, "omp.isempty"); | ||||||
| 4703 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 4704 | // Done. | ||||||
| 4705 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 4706 | } | ||||||
| 4707 | |||||||
| 4708 | void CGOpenMPRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 4709 | const OMPExecutableDirective &D, | ||||||
| 4710 | llvm::Function *TaskFunction, | ||||||
| 4711 | QualType SharedsTy, Address Shareds, | ||||||
| 4712 | const Expr *IfCond, | ||||||
| 4713 | const OMPTaskDataTy &Data) { | ||||||
| 4714 | if (!CGF.HaveInsertPoint()) | ||||||
| 4715 | return; | ||||||
| 4716 | |||||||
| 4717 | TaskResultTy Result = | ||||||
| 4718 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||||
| 4719 | llvm::Value *NewTask = Result.NewTask; | ||||||
| 4720 | llvm::Function *TaskEntry = Result.TaskEntry; | ||||||
| 4721 | llvm::Value *NewTaskNewTaskTTy = Result.NewTaskNewTaskTTy; | ||||||
| 4722 | LValue TDBase = Result.TDBase; | ||||||
| 4723 | const RecordDecl *KmpTaskTQTyRD = Result.KmpTaskTQTyRD; | ||||||
| 4724 | // Process list of dependences. | ||||||
| 4725 | Address DependenciesArray = Address::invalid(); | ||||||
| 4726 | llvm::Value *NumOfElements; | ||||||
| 4727 | std::tie(NumOfElements, DependenciesArray) = | ||||||
| 4728 | emitDependClause(CGF, Data.Dependences, Loc); | ||||||
| 4729 | |||||||
| 4730 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||||
| 4731 | // libcall. | ||||||
| 4732 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | ||||||
| 4733 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | ||||||
| 4734 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list) if dependence | ||||||
| 4735 | // list is not empty | ||||||
| 4736 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4737 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 4738 | llvm::Value *TaskArgs[] = { UpLoc, ThreadID, NewTask }; | ||||||
| 4739 | llvm::Value *DepTaskArgs[7]; | ||||||
| 4740 | if (!Data.Dependences.empty()) { | ||||||
| 4741 | DepTaskArgs[0] = UpLoc; | ||||||
| 4742 | DepTaskArgs[1] = ThreadID; | ||||||
| 4743 | DepTaskArgs[2] = NewTask; | ||||||
| 4744 | DepTaskArgs[3] = NumOfElements; | ||||||
| 4745 | DepTaskArgs[4] = DependenciesArray.getPointer(); | ||||||
| 4746 | DepTaskArgs[5] = CGF.Builder.getInt32(0); | ||||||
| 4747 | DepTaskArgs[6] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4748 | } | ||||||
| 4749 | auto &&ThenCodeGen = [this, &Data, TDBase, KmpTaskTQTyRD, &TaskArgs, | ||||||
| 4750 | &DepTaskArgs](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 4751 | if (!Data.Tied) { | ||||||
| 4752 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||||
| 4753 | LValue PartIdLVal = CGF.EmitLValueForField(TDBase, *PartIdFI); | ||||||
| 4754 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(0), PartIdLVal); | ||||||
| 4755 | } | ||||||
| 4756 | if (!Data.Dependences.empty()) { | ||||||
| 4757 | CGF.EmitRuntimeCall( | ||||||
| 4758 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4759 | CGM.getModule(), OMPRTL___kmpc_omp_task_with_deps), | ||||||
| 4760 | DepTaskArgs); | ||||||
| 4761 | } else { | ||||||
| 4762 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4763 | CGM.getModule(), OMPRTL___kmpc_omp_task), | ||||||
| 4764 | TaskArgs); | ||||||
| 4765 | } | ||||||
| 4766 | // Check if parent region is untied and build return for untied task; | ||||||
| 4767 | if (auto *Region = | ||||||
| 4768 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 4769 | Region->emitUntiedSwitch(CGF); | ||||||
| 4770 | }; | ||||||
| 4771 | |||||||
| 4772 | llvm::Value *DepWaitTaskArgs[7]; | ||||||
| 4773 | if (!Data.Dependences.empty()) { | ||||||
| 4774 | DepWaitTaskArgs[0] = UpLoc; | ||||||
| 4775 | DepWaitTaskArgs[1] = ThreadID; | ||||||
| 4776 | DepWaitTaskArgs[2] = NumOfElements; | ||||||
| 4777 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | ||||||
| 4778 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | ||||||
| 4779 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4780 | DepWaitTaskArgs[6] = | ||||||
| 4781 | llvm::ConstantInt::get(CGF.Int32Ty, Data.HasNowaitClause); | ||||||
| 4782 | } | ||||||
| 4783 | auto &M = CGM.getModule(); | ||||||
| 4784 | auto &&ElseCodeGen = [this, &M, &TaskArgs, ThreadID, NewTaskNewTaskTTy, | ||||||
| 4785 | TaskEntry, &Data, &DepWaitTaskArgs, | ||||||
| 4786 | Loc](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 4787 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | ||||||
| 4788 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | ||||||
| 4789 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | ||||||
| 4790 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); if dependence info | ||||||
| 4791 | // is specified. | ||||||
| 4792 | if (!Data.Dependences.empty()) | ||||||
| 4793 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4794 | M, OMPRTL___kmpc_omp_taskwait_deps_51), | ||||||
| 4795 | DepWaitTaskArgs); | ||||||
| 4796 | // Call proxy_task_entry(gtid, new_task); | ||||||
| 4797 | auto &&CodeGen = [TaskEntry, ThreadID, NewTaskNewTaskTTy, | ||||||
| 4798 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 4799 | Action.Enter(CGF); | ||||||
| 4800 | llvm::Value *OutlinedFnArgs[] = {ThreadID, NewTaskNewTaskTTy}; | ||||||
| 4801 | CGF.CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskEntry, | ||||||
| 4802 | OutlinedFnArgs); | ||||||
| 4803 | }; | ||||||
| 4804 | |||||||
| 4805 | // Build void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | ||||||
| 4806 | // kmp_task_t *new_task); | ||||||
| 4807 | // Build void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | ||||||
| 4808 | // kmp_task_t *new_task); | ||||||
| 4809 | RegionCodeGenTy RCG(CodeGen); | ||||||
| 4810 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4811 | M, OMPRTL___kmpc_omp_task_begin_if0), | ||||||
| 4812 | TaskArgs, | ||||||
| 4813 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4814 | M, OMPRTL___kmpc_omp_task_complete_if0), | ||||||
| 4815 | TaskArgs); | ||||||
| 4816 | RCG.setAction(Action); | ||||||
| 4817 | RCG(CGF); | ||||||
| 4818 | }; | ||||||
| 4819 | |||||||
| 4820 | if (IfCond) { | ||||||
| 4821 | emitIfClause(CGF, IfCond, ThenCodeGen, ElseCodeGen); | ||||||
| 4822 | } else { | ||||||
| 4823 | RegionCodeGenTy ThenRCG(ThenCodeGen); | ||||||
| 4824 | ThenRCG(CGF); | ||||||
| 4825 | } | ||||||
| 4826 | } | ||||||
| 4827 | |||||||
| 4828 | void CGOpenMPRuntime::emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 4829 | const OMPLoopDirective &D, | ||||||
| 4830 | llvm::Function *TaskFunction, | ||||||
| 4831 | QualType SharedsTy, Address Shareds, | ||||||
| 4832 | const Expr *IfCond, | ||||||
| 4833 | const OMPTaskDataTy &Data) { | ||||||
| 4834 | if (!CGF.HaveInsertPoint()) | ||||||
| 4835 | return; | ||||||
| 4836 | TaskResultTy Result = | ||||||
| 4837 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||||
| 4838 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||||
| 4839 | // libcall. | ||||||
| 4840 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | ||||||
| 4841 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | ||||||
| 4842 | // sched, kmp_uint64 grainsize, void *task_dup); | ||||||
| 4843 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4844 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 4845 | llvm::Value *IfVal; | ||||||
| 4846 | if (IfCond) { | ||||||
| 4847 | IfVal = CGF.Builder.CreateIntCast(CGF.EvaluateExprAsBool(IfCond), CGF.IntTy, | ||||||
| 4848 | /*isSigned=*/true); | ||||||
| 4849 | } else { | ||||||
| 4850 | IfVal = llvm::ConstantInt::getSigned(CGF.IntTy, /*V=*/1); | ||||||
| 4851 | } | ||||||
| 4852 | |||||||
| 4853 | LValue LBLVal = CGF.EmitLValueForField( | ||||||
| 4854 | Result.TDBase, | ||||||
| 4855 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound)); | ||||||
| 4856 | const auto *LBVar = | ||||||
| 4857 | cast<VarDecl>(cast<DeclRefExpr>(D.getLowerBoundVariable())->getDecl()); | ||||||
| 4858 | CGF.EmitAnyExprToMem(LBVar->getInit(), LBLVal.getAddress(CGF), | ||||||
| 4859 | LBLVal.getQuals(), | ||||||
| 4860 | /*IsInitializer=*/true); | ||||||
| 4861 | LValue UBLVal = CGF.EmitLValueForField( | ||||||
| 4862 | Result.TDBase, | ||||||
| 4863 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound)); | ||||||
| 4864 | const auto *UBVar = | ||||||
| 4865 | cast<VarDecl>(cast<DeclRefExpr>(D.getUpperBoundVariable())->getDecl()); | ||||||
| 4866 | CGF.EmitAnyExprToMem(UBVar->getInit(), UBLVal.getAddress(CGF), | ||||||
| 4867 | UBLVal.getQuals(), | ||||||
| 4868 | /*IsInitializer=*/true); | ||||||
| 4869 | LValue StLVal = CGF.EmitLValueForField( | ||||||
| 4870 | Result.TDBase, | ||||||
| 4871 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTStride)); | ||||||
| 4872 | const auto *StVar = | ||||||
| 4873 | cast<VarDecl>(cast<DeclRefExpr>(D.getStrideVariable())->getDecl()); | ||||||
| 4874 | CGF.EmitAnyExprToMem(StVar->getInit(), StLVal.getAddress(CGF), | ||||||
| 4875 | StLVal.getQuals(), | ||||||
| 4876 | /*IsInitializer=*/true); | ||||||
| 4877 | // Store reductions address. | ||||||
| 4878 | LValue RedLVal = CGF.EmitLValueForField( | ||||||
| 4879 | Result.TDBase, | ||||||
| 4880 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTReductions)); | ||||||
| 4881 | if (Data.Reductions) { | ||||||
| 4882 | CGF.EmitStoreOfScalar(Data.Reductions, RedLVal); | ||||||
| 4883 | } else { | ||||||
| 4884 | CGF.EmitNullInitialization(RedLVal.getAddress(CGF), | ||||||
| 4885 | CGF.getContext().VoidPtrTy); | ||||||
| 4886 | } | ||||||
| 4887 | enum { NoSchedule = 0, Grainsize = 1, NumTasks = 2 }; | ||||||
| 4888 | llvm::Value *TaskArgs[] = { | ||||||
| 4889 | UpLoc, | ||||||
| 4890 | ThreadID, | ||||||
| 4891 | Result.NewTask, | ||||||
| 4892 | IfVal, | ||||||
| 4893 | LBLVal.getPointer(CGF), | ||||||
| 4894 | UBLVal.getPointer(CGF), | ||||||
| 4895 | CGF.EmitLoadOfScalar(StLVal, Loc), | ||||||
| 4896 | llvm::ConstantInt::getSigned( | ||||||
| 4897 | CGF.IntTy, 1), // Always 1 because taskgroup emitted by the compiler | ||||||
| 4898 | llvm::ConstantInt::getSigned( | ||||||
| 4899 | CGF.IntTy, Data.Schedule.getPointer() | ||||||
| 4900 | ? Data.Schedule.getInt() ? NumTasks : Grainsize | ||||||
| 4901 | : NoSchedule), | ||||||
| 4902 | Data.Schedule.getPointer() | ||||||
| 4903 | ? CGF.Builder.CreateIntCast(Data.Schedule.getPointer(), CGF.Int64Ty, | ||||||
| 4904 | /*isSigned=*/false) | ||||||
| 4905 | : llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/0), | ||||||
| 4906 | Result.TaskDupFn ? CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4907 | Result.TaskDupFn, CGF.VoidPtrTy) | ||||||
| 4908 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy)}; | ||||||
| 4909 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4910 | CGM.getModule(), OMPRTL___kmpc_taskloop), | ||||||
| 4911 | TaskArgs); | ||||||
| 4912 | } | ||||||
| 4913 | |||||||
| 4914 | /// Emit reduction operation for each element of array (required for | ||||||
| 4915 | /// array sections) LHS op = RHS. | ||||||
| 4916 | /// \param Type Type of array. | ||||||
| 4917 | /// \param LHSVar Variable on the left side of the reduction operation | ||||||
| 4918 | /// (references element of array in original variable). | ||||||
| 4919 | /// \param RHSVar Variable on the right side of the reduction operation | ||||||
| 4920 | /// (references element of array in original variable). | ||||||
| 4921 | /// \param RedOpGen Generator of reduction operation with use of LHSVar and | ||||||
| 4922 | /// RHSVar. | ||||||
| 4923 | static void EmitOMPAggregateReduction( | ||||||
| 4924 | CodeGenFunction &CGF, QualType Type, const VarDecl *LHSVar, | ||||||
| 4925 | const VarDecl *RHSVar, | ||||||
| 4926 | const llvm::function_ref<void(CodeGenFunction &CGF, const Expr *, | ||||||
| 4927 | const Expr *, const Expr *)> &RedOpGen, | ||||||
| 4928 | const Expr *XExpr = nullptr, const Expr *EExpr = nullptr, | ||||||
| 4929 | const Expr *UpExpr = nullptr) { | ||||||
| 4930 | // Perform element-by-element initialization. | ||||||
| 4931 | QualType ElementTy; | ||||||
| 4932 | Address LHSAddr = CGF.GetAddrOfLocalVar(LHSVar); | ||||||
| 4933 | Address RHSAddr = CGF.GetAddrOfLocalVar(RHSVar); | ||||||
| 4934 | |||||||
| 4935 | // Drill down to the base element type on both arrays. | ||||||
| 4936 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | ||||||
| 4937 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, LHSAddr); | ||||||
| 4938 | |||||||
| 4939 | llvm::Value *RHSBegin = RHSAddr.getPointer(); | ||||||
| 4940 | llvm::Value *LHSBegin = LHSAddr.getPointer(); | ||||||
| 4941 | // Cast from pointer to array type to pointer to single element. | ||||||
| 4942 | llvm::Value *LHSEnd = | ||||||
| 4943 | CGF.Builder.CreateGEP(LHSAddr.getElementType(), LHSBegin, NumElements); | ||||||
| 4944 | // The basic structure here is a while-do loop. | ||||||
| 4945 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arraycpy.body"); | ||||||
| 4946 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arraycpy.done"); | ||||||
| 4947 | llvm::Value *IsEmpty = | ||||||
| 4948 | CGF.Builder.CreateICmpEQ(LHSBegin, LHSEnd, "omp.arraycpy.isempty"); | ||||||
| 4949 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 4950 | |||||||
| 4951 | // Enter the loop body, making that address the current address. | ||||||
| 4952 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||||
| 4953 | CGF.EmitBlock(BodyBB); | ||||||
| 4954 | |||||||
| 4955 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | ||||||
| 4956 | |||||||
| 4957 | llvm::PHINode *RHSElementPHI = CGF.Builder.CreatePHI( | ||||||
| 4958 | RHSBegin->getType(), 2, "omp.arraycpy.srcElementPast"); | ||||||
| 4959 | RHSElementPHI->addIncoming(RHSBegin, EntryBB); | ||||||
| 4960 | Address RHSElementCurrent( | ||||||
| 4961 | RHSElementPHI, RHSAddr.getElementType(), | ||||||
| 4962 | RHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 4963 | |||||||
| 4964 | llvm::PHINode *LHSElementPHI = CGF.Builder.CreatePHI( | ||||||
| 4965 | LHSBegin->getType(), 2, "omp.arraycpy.destElementPast"); | ||||||
| 4966 | LHSElementPHI->addIncoming(LHSBegin, EntryBB); | ||||||
| 4967 | Address LHSElementCurrent( | ||||||
| 4968 | LHSElementPHI, LHSAddr.getElementType(), | ||||||
| 4969 | LHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 4970 | |||||||
| 4971 | // Emit copy. | ||||||
| 4972 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||||
| 4973 | Scope.addPrivate(LHSVar, LHSElementCurrent); | ||||||
| 4974 | Scope.addPrivate(RHSVar, RHSElementCurrent); | ||||||
| 4975 | Scope.Privatize(); | ||||||
| 4976 | RedOpGen(CGF, XExpr, EExpr, UpExpr); | ||||||
| 4977 | Scope.ForceCleanup(); | ||||||
| 4978 | |||||||
| 4979 | // Shift the address forward by one element. | ||||||
| 4980 | llvm::Value *LHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 4981 | LHSAddr.getElementType(), LHSElementPHI, /*Idx0=*/1, | ||||||
| 4982 | "omp.arraycpy.dest.element"); | ||||||
| 4983 | llvm::Value *RHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 4984 | RHSAddr.getElementType(), RHSElementPHI, /*Idx0=*/1, | ||||||
| 4985 | "omp.arraycpy.src.element"); | ||||||
| 4986 | // Check whether we've reached the end. | ||||||
| 4987 | llvm::Value *Done = | ||||||
| 4988 | CGF.Builder.CreateICmpEQ(LHSElementNext, LHSEnd, "omp.arraycpy.done"); | ||||||
| 4989 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | ||||||
| 4990 | LHSElementPHI->addIncoming(LHSElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 4991 | RHSElementPHI->addIncoming(RHSElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 4992 | |||||||
| 4993 | // Done. | ||||||
| 4994 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 4995 | } | ||||||
| 4996 | |||||||
| 4997 | /// Emit reduction combiner. If the combiner is a simple expression emit it as | ||||||
| 4998 | /// is, otherwise consider it as combiner of UDR decl and emit it as a call of | ||||||
| 4999 | /// UDR combiner function. | ||||||
| 5000 | static void emitReductionCombiner(CodeGenFunction &CGF, | ||||||
| 5001 | const Expr *ReductionOp) { | ||||||
| 5002 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | ||||||
| 5003 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | ||||||
| 5004 | if (const auto *DRE = | ||||||
| 5005 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | ||||||
| 5006 | if (const auto *DRD = | ||||||
| 5007 | dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) { | ||||||
| 5008 | std::pair<llvm::Function *, llvm::Function *> Reduction = | ||||||
| 5009 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | ||||||
| 5010 | RValue Func = RValue::get(Reduction.first); | ||||||
| 5011 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | ||||||
| 5012 | CGF.EmitIgnoredExpr(ReductionOp); | ||||||
| 5013 | return; | ||||||
| 5014 | } | ||||||
| 5015 | CGF.EmitIgnoredExpr(ReductionOp); | ||||||
| 5016 | } | ||||||
| 5017 | |||||||
| 5018 | llvm::Function *CGOpenMPRuntime::emitReductionFunction( | ||||||
| 5019 | StringRef ReducerName, SourceLocation Loc, llvm::Type *ArgsElemType, | ||||||
| 5020 | ArrayRef<const Expr *> Privates, ArrayRef<const Expr *> LHSExprs, | ||||||
| 5021 | ArrayRef<const Expr *> RHSExprs, ArrayRef<const Expr *> ReductionOps) { | ||||||
| 5022 | ASTContext &C = CGM.getContext(); | ||||||
| 5023 | |||||||
| 5024 | // void reduction_func(void *LHSArg, void *RHSArg); | ||||||
| 5025 | FunctionArgList Args; | ||||||
| 5026 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5027 | ImplicitParamDecl::Other); | ||||||
| 5028 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5029 | ImplicitParamDecl::Other); | ||||||
| 5030 | Args.push_back(&LHSArg); | ||||||
| 5031 | Args.push_back(&RHSArg); | ||||||
| 5032 | const auto &CGFI = | ||||||
| 5033 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5034 | std::string Name = getReductionFuncName(ReducerName); | ||||||
| 5035 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||||
| 5036 | llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 5037 | &CGM.getModule()); | ||||||
| 5038 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||||
| 5039 | Fn->setDoesNotRecurse(); | ||||||
| 5040 | CodeGenFunction CGF(CGM); | ||||||
| 5041 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||||
| 5042 | |||||||
| 5043 | // Dst = (void*[n])(LHSArg); | ||||||
| 5044 | // Src = (void*[n])(RHSArg); | ||||||
| 5045 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5046 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||||
| 5047 | ArgsElemType->getPointerTo()), | ||||||
| 5048 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 5049 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5050 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||||
| 5051 | ArgsElemType->getPointerTo()), | ||||||
| 5052 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 5053 | |||||||
| 5054 | // ... | ||||||
| 5055 | // *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); | ||||||
| 5056 | // ... | ||||||
| 5057 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||||
| 5058 | const auto *IPriv = Privates.begin(); | ||||||
| 5059 | unsigned Idx = 0; | ||||||
| 5060 | for (unsigned I = 0, E = ReductionOps.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||||
| 5061 | const auto *RHSVar = | ||||||
| 5062 | cast<VarDecl>(cast<DeclRefExpr>(RHSExprs[I])->getDecl()); | ||||||
| 5063 | Scope.addPrivate(RHSVar, emitAddrOfVarFromArray(CGF, RHS, Idx, RHSVar)); | ||||||
| 5064 | const auto *LHSVar = | ||||||
| 5065 | cast<VarDecl>(cast<DeclRefExpr>(LHSExprs[I])->getDecl()); | ||||||
| 5066 | Scope.addPrivate(LHSVar, emitAddrOfVarFromArray(CGF, LHS, Idx, LHSVar)); | ||||||
| 5067 | QualType PrivTy = (*IPriv)->getType(); | ||||||
| 5068 | if (PrivTy->isVariablyModifiedType()) { | ||||||
| 5069 | // Get array size and emit VLA type. | ||||||
| 5070 | ++Idx; | ||||||
| 5071 | Address Elem = CGF.Builder.CreateConstArrayGEP(LHS, Idx); | ||||||
| 5072 | llvm::Value *Ptr = CGF.Builder.CreateLoad(Elem); | ||||||
| 5073 | const VariableArrayType *VLA = | ||||||
| 5074 | CGF.getContext().getAsVariableArrayType(PrivTy); | ||||||
| 5075 | const auto *OVE = cast<OpaqueValueExpr>(VLA->getSizeExpr()); | ||||||
| 5076 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||||
| 5077 | CGF, OVE, RValue::get(CGF.Builder.CreatePtrToInt(Ptr, CGF.SizeTy))); | ||||||
| 5078 | CGF.EmitVariablyModifiedType(PrivTy); | ||||||
| 5079 | } | ||||||
| 5080 | } | ||||||
| 5081 | Scope.Privatize(); | ||||||
| 5082 | IPriv = Privates.begin(); | ||||||
| 5083 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5084 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5085 | for (const Expr *E : ReductionOps) { | ||||||
| 5086 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5087 | // Emit reduction for array section. | ||||||
| 5088 | const auto *LHSVar = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5089 | const auto *RHSVar = cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5090 | EmitOMPAggregateReduction( | ||||||
| 5091 | CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||||
| 5092 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||||
| 5093 | emitReductionCombiner(CGF, E); | ||||||
| 5094 | }); | ||||||
| 5095 | } else { | ||||||
| 5096 | // Emit reduction for array subscript or single variable. | ||||||
| 5097 | emitReductionCombiner(CGF, E); | ||||||
| 5098 | } | ||||||
| 5099 | ++IPriv; | ||||||
| 5100 | ++ILHS; | ||||||
| 5101 | ++IRHS; | ||||||
| 5102 | } | ||||||
| 5103 | Scope.ForceCleanup(); | ||||||
| 5104 | CGF.FinishFunction(); | ||||||
| 5105 | return Fn; | ||||||
| 5106 | } | ||||||
| 5107 | |||||||
| 5108 | void CGOpenMPRuntime::emitSingleReductionCombiner(CodeGenFunction &CGF, | ||||||
| 5109 | const Expr *ReductionOp, | ||||||
| 5110 | const Expr *PrivateRef, | ||||||
| 5111 | const DeclRefExpr *LHS, | ||||||
| 5112 | const DeclRefExpr *RHS) { | ||||||
| 5113 | if (PrivateRef->getType()->isArrayType()) { | ||||||
| 5114 | // Emit reduction for array section. | ||||||
| 5115 | const auto *LHSVar = cast<VarDecl>(LHS->getDecl()); | ||||||
| 5116 | const auto *RHSVar = cast<VarDecl>(RHS->getDecl()); | ||||||
| 5117 | EmitOMPAggregateReduction( | ||||||
| 5118 | CGF, PrivateRef->getType(), LHSVar, RHSVar, | ||||||
| 5119 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||||
| 5120 | emitReductionCombiner(CGF, ReductionOp); | ||||||
| 5121 | }); | ||||||
| 5122 | } else { | ||||||
| 5123 | // Emit reduction for array subscript or single variable. | ||||||
| 5124 | emitReductionCombiner(CGF, ReductionOp); | ||||||
| 5125 | } | ||||||
| 5126 | } | ||||||
| 5127 | |||||||
| 5128 | void CGOpenMPRuntime::emitReduction(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 5129 | ArrayRef<const Expr *> Privates, | ||||||
| 5130 | ArrayRef<const Expr *> LHSExprs, | ||||||
| 5131 | ArrayRef<const Expr *> RHSExprs, | ||||||
| 5132 | ArrayRef<const Expr *> ReductionOps, | ||||||
| 5133 | ReductionOptionsTy Options) { | ||||||
| 5134 | if (!CGF.HaveInsertPoint()) | ||||||
| 5135 | return; | ||||||
| 5136 | |||||||
| 5137 | bool WithNowait = Options.WithNowait; | ||||||
| 5138 | bool SimpleReduction = Options.SimpleReduction; | ||||||
| 5139 | |||||||
| 5140 | // Next code should be emitted for reduction: | ||||||
| 5141 | // | ||||||
| 5142 | // static kmp_critical_name lock = { 0 }; | ||||||
| 5143 | // | ||||||
| 5144 | // void reduce_func(void *lhs[<n>], void *rhs[<n>]) { | ||||||
| 5145 | // *(Type0*)lhs[0] = ReductionOperation0(*(Type0*)lhs[0], *(Type0*)rhs[0]); | ||||||
| 5146 | // ... | ||||||
| 5147 | // *(Type<n>-1*)lhs[<n>-1] = ReductionOperation<n>-1(*(Type<n>-1*)lhs[<n>-1], | ||||||
| 5148 | // *(Type<n>-1*)rhs[<n>-1]); | ||||||
| 5149 | // } | ||||||
| 5150 | // | ||||||
| 5151 | // ... | ||||||
| 5152 | // void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; | ||||||
| 5153 | // switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||||
| 5154 | // RedList, reduce_func, &<lock>)) { | ||||||
| 5155 | // case 1: | ||||||
| 5156 | // ... | ||||||
| 5157 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5158 | // ... | ||||||
| 5159 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5160 | // break; | ||||||
| 5161 | // case 2: | ||||||
| 5162 | // ... | ||||||
| 5163 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||||
| 5164 | // ... | ||||||
| 5165 | // [__kmpc_end_reduce(<loc>, <gtid>, &<lock>);] | ||||||
| 5166 | // break; | ||||||
| 5167 | // default:; | ||||||
| 5168 | // } | ||||||
| 5169 | // | ||||||
| 5170 | // if SimpleReduction is true, only the next code is generated: | ||||||
| 5171 | // ... | ||||||
| 5172 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5173 | // ... | ||||||
| 5174 | |||||||
| 5175 | ASTContext &C = CGM.getContext(); | ||||||
| 5176 | |||||||
| 5177 | if (SimpleReduction) { | ||||||
| 5178 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||||
| 5179 | const auto *IPriv = Privates.begin(); | ||||||
| 5180 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5181 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5182 | for (const Expr *E : ReductionOps) { | ||||||
| 5183 | emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||||
| 5184 | cast<DeclRefExpr>(*IRHS)); | ||||||
| 5185 | ++IPriv; | ||||||
| 5186 | ++ILHS; | ||||||
| 5187 | ++IRHS; | ||||||
| 5188 | } | ||||||
| 5189 | return; | ||||||
| 5190 | } | ||||||
| 5191 | |||||||
| 5192 | // 1. Build a list of reduction variables. | ||||||
| 5193 | // void *RedList[<n>] = {<ReductionVars>[0], ..., <ReductionVars>[<n>-1]}; | ||||||
| 5194 | auto Size = RHSExprs.size(); | ||||||
| 5195 | for (const Expr *E : Privates) { | ||||||
| 5196 | if (E->getType()->isVariablyModifiedType()) | ||||||
| 5197 | // Reserve place for array size. | ||||||
| 5198 | ++Size; | ||||||
| 5199 | } | ||||||
| 5200 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, Size); | ||||||
| 5201 | QualType ReductionArrayTy = | ||||||
| 5202 | C.getConstantArrayType(C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||||
| 5203 | /*IndexTypeQuals=*/0); | ||||||
| 5204 | Address ReductionList = | ||||||
| 5205 | CGF.CreateMemTemp(ReductionArrayTy, ".omp.reduction.red_list"); | ||||||
| 5206 | const auto *IPriv = Privates.begin(); | ||||||
| 5207 | unsigned Idx = 0; | ||||||
| 5208 | for (unsigned I = 0, E = RHSExprs.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||||
| 5209 | Address Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||||
| 5210 | CGF.Builder.CreateStore( | ||||||
| 5211 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5212 | CGF.EmitLValue(RHSExprs[I]).getPointer(CGF), CGF.VoidPtrTy), | ||||||
| 5213 | Elem); | ||||||
| 5214 | if ((*IPriv)->getType()->isVariablyModifiedType()) { | ||||||
| 5215 | // Store array size. | ||||||
| 5216 | ++Idx; | ||||||
| 5217 | Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||||
| 5218 | llvm::Value *Size = CGF.Builder.CreateIntCast( | ||||||
| 5219 | CGF.getVLASize( | ||||||
| 5220 | CGF.getContext().getAsVariableArrayType((*IPriv)->getType())) | ||||||
| 5221 | .NumElts, | ||||||
| 5222 | CGF.SizeTy, /*isSigned=*/false); | ||||||
| 5223 | CGF.Builder.CreateStore(CGF.Builder.CreateIntToPtr(Size, CGF.VoidPtrTy), | ||||||
| 5224 | Elem); | ||||||
| 5225 | } | ||||||
| 5226 | } | ||||||
| 5227 | |||||||
| 5228 | // 2. Emit reduce_func(). | ||||||
| 5229 | llvm::Function *ReductionFn = emitReductionFunction( | ||||||
| 5230 | CGF.CurFn->getName(), Loc, CGF.ConvertTypeForMem(ReductionArrayTy), | ||||||
| 5231 | Privates, LHSExprs, RHSExprs, ReductionOps); | ||||||
| 5232 | |||||||
| 5233 | // 3. Create static kmp_critical_name lock = { 0 }; | ||||||
| 5234 | std::string Name = getName({"reduction"}); | ||||||
| 5235 | llvm::Value *Lock = getCriticalRegionLock(Name); | ||||||
| 5236 | |||||||
| 5237 | // 4. Build res = __kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||||
| 5238 | // RedList, reduce_func, &<lock>); | ||||||
| 5239 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc, OMP_ATOMIC_REDUCE); | ||||||
| 5240 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 5241 | llvm::Value *ReductionArrayTySize = CGF.getTypeSize(ReductionArrayTy); | ||||||
| 5242 | llvm::Value *RL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5243 | ReductionList.getPointer(), CGF.VoidPtrTy); | ||||||
| 5244 | llvm::Value *Args[] = { | ||||||
| 5245 | IdentTLoc, // ident_t *<loc> | ||||||
| 5246 | ThreadId, // i32 <gtid> | ||||||
| 5247 | CGF.Builder.getInt32(RHSExprs.size()), // i32 <n> | ||||||
| 5248 | ReductionArrayTySize, // size_type sizeof(RedList) | ||||||
| 5249 | RL, // void *RedList | ||||||
| 5250 | ReductionFn, // void (*) (void *, void *) <reduce_func> | ||||||
| 5251 | Lock // kmp_critical_name *&<lock> | ||||||
| 5252 | }; | ||||||
| 5253 | llvm::Value *Res = CGF.EmitRuntimeCall( | ||||||
| 5254 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5255 | CGM.getModule(), | ||||||
| 5256 | WithNowait ? OMPRTL___kmpc_reduce_nowait : OMPRTL___kmpc_reduce), | ||||||
| 5257 | Args); | ||||||
| 5258 | |||||||
| 5259 | // 5. Build switch(res) | ||||||
| 5260 | llvm::BasicBlock *DefaultBB = CGF.createBasicBlock(".omp.reduction.default"); | ||||||
| 5261 | llvm::SwitchInst *SwInst = | ||||||
| 5262 | CGF.Builder.CreateSwitch(Res, DefaultBB, /*NumCases=*/2); | ||||||
| 5263 | |||||||
| 5264 | // 6. Build case 1: | ||||||
| 5265 | // ... | ||||||
| 5266 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5267 | // ... | ||||||
| 5268 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5269 | // break; | ||||||
| 5270 | llvm::BasicBlock *Case1BB = CGF.createBasicBlock(".omp.reduction.case1"); | ||||||
| 5271 | SwInst->addCase(CGF.Builder.getInt32(1), Case1BB); | ||||||
| 5272 | CGF.EmitBlock(Case1BB); | ||||||
| 5273 | |||||||
| 5274 | // Add emission of __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5275 | llvm::Value *EndArgs[] = { | ||||||
| 5276 | IdentTLoc, // ident_t *<loc> | ||||||
| 5277 | ThreadId, // i32 <gtid> | ||||||
| 5278 | Lock // kmp_critical_name *&<lock> | ||||||
| 5279 | }; | ||||||
| 5280 | auto &&CodeGen = [Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||||
| 5281 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5282 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 5283 | const auto *IPriv = Privates.begin(); | ||||||
| 5284 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5285 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5286 | for (const Expr *E : ReductionOps) { | ||||||
| 5287 | RT.emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||||
| 5288 | cast<DeclRefExpr>(*IRHS)); | ||||||
| 5289 | ++IPriv; | ||||||
| 5290 | ++ILHS; | ||||||
| 5291 | ++IRHS; | ||||||
| 5292 | } | ||||||
| 5293 | }; | ||||||
| 5294 | RegionCodeGenTy RCG(CodeGen); | ||||||
| 5295 | CommonActionTy Action( | ||||||
| 5296 | nullptr, std::nullopt, | ||||||
| 5297 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5298 | CGM.getModule(), WithNowait ? OMPRTL___kmpc_end_reduce_nowait | ||||||
| 5299 | : OMPRTL___kmpc_end_reduce), | ||||||
| 5300 | EndArgs); | ||||||
| 5301 | RCG.setAction(Action); | ||||||
| 5302 | RCG(CGF); | ||||||
| 5303 | |||||||
| 5304 | CGF.EmitBranch(DefaultBB); | ||||||
| 5305 | |||||||
| 5306 | // 7. Build case 2: | ||||||
| 5307 | // ... | ||||||
| 5308 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||||
| 5309 | // ... | ||||||
| 5310 | // break; | ||||||
| 5311 | llvm::BasicBlock *Case2BB = CGF.createBasicBlock(".omp.reduction.case2"); | ||||||
| 5312 | SwInst->addCase(CGF.Builder.getInt32(2), Case2BB); | ||||||
| 5313 | CGF.EmitBlock(Case2BB); | ||||||
| 5314 | |||||||
| 5315 | auto &&AtomicCodeGen = [Loc, Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||||
| 5316 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5317 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5318 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5319 | const auto *IPriv = Privates.begin(); | ||||||
| 5320 | for (const Expr *E : ReductionOps) { | ||||||
| 5321 | const Expr *XExpr = nullptr; | ||||||
| 5322 | const Expr *EExpr = nullptr; | ||||||
| 5323 | const Expr *UpExpr = nullptr; | ||||||
| 5324 | BinaryOperatorKind BO = BO_Comma; | ||||||
| 5325 | if (const auto *BO = dyn_cast<BinaryOperator>(E)) { | ||||||
| 5326 | if (BO->getOpcode() == BO_Assign) { | ||||||
| 5327 | XExpr = BO->getLHS(); | ||||||
| 5328 | UpExpr = BO->getRHS(); | ||||||
| 5329 | } | ||||||
| 5330 | } | ||||||
| 5331 | // Try to emit update expression as a simple atomic. | ||||||
| 5332 | const Expr *RHSExpr = UpExpr; | ||||||
| 5333 | if (RHSExpr) { | ||||||
| 5334 | // Analyze RHS part of the whole expression. | ||||||
| 5335 | if (const auto *ACO = dyn_cast<AbstractConditionalOperator>( | ||||||
| 5336 | RHSExpr->IgnoreParenImpCasts())) { | ||||||
| 5337 | // If this is a conditional operator, analyze its condition for | ||||||
| 5338 | // min/max reduction operator. | ||||||
| 5339 | RHSExpr = ACO->getCond(); | ||||||
| 5340 | } | ||||||
| 5341 | if (const auto *BORHS = | ||||||
| 5342 | dyn_cast<BinaryOperator>(RHSExpr->IgnoreParenImpCasts())) { | ||||||
| 5343 | EExpr = BORHS->getRHS(); | ||||||
| 5344 | BO = BORHS->getOpcode(); | ||||||
| 5345 | } | ||||||
| 5346 | } | ||||||
| 5347 | if (XExpr) { | ||||||
| 5348 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5349 | auto &&AtomicRedGen = [BO, VD, | ||||||
| 5350 | Loc](CodeGenFunction &CGF, const Expr *XExpr, | ||||||
| 5351 | const Expr *EExpr, const Expr *UpExpr) { | ||||||
| 5352 | LValue X = CGF.EmitLValue(XExpr); | ||||||
| 5353 | RValue E; | ||||||
| 5354 | if (EExpr) | ||||||
| 5355 | E = CGF.EmitAnyExpr(EExpr); | ||||||
| 5356 | CGF.EmitOMPAtomicSimpleUpdateExpr( | ||||||
| 5357 | X, E, BO, /*IsXLHSInRHSPart=*/true, | ||||||
| 5358 | llvm::AtomicOrdering::Monotonic, Loc, | ||||||
| 5359 | [&CGF, UpExpr, VD, Loc](RValue XRValue) { | ||||||
| 5360 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||||
| 5361 | Address LHSTemp = CGF.CreateMemTemp(VD->getType()); | ||||||
| 5362 | CGF.emitOMPSimpleStore( | ||||||
| 5363 | CGF.MakeAddrLValue(LHSTemp, VD->getType()), XRValue, | ||||||
| 5364 | VD->getType().getNonReferenceType(), Loc); | ||||||
| 5365 | PrivateScope.addPrivate(VD, LHSTemp); | ||||||
| 5366 | (void)PrivateScope.Privatize(); | ||||||
| 5367 | return CGF.EmitAnyExpr(UpExpr); | ||||||
| 5368 | }); | ||||||
| 5369 | }; | ||||||
| 5370 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5371 | // Emit atomic reduction for array section. | ||||||
| 5372 | const auto *RHSVar = | ||||||
| 5373 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5374 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), VD, RHSVar, | ||||||
| 5375 | AtomicRedGen, XExpr, EExpr, UpExpr); | ||||||
| 5376 | } else { | ||||||
| 5377 | // Emit atomic reduction for array subscript or single variable. | ||||||
| 5378 | AtomicRedGen(CGF, XExpr, EExpr, UpExpr); | ||||||
| 5379 | } | ||||||
| 5380 | } else { | ||||||
| 5381 | // Emit as a critical region. | ||||||
| 5382 | auto &&CritRedGen = [E, Loc](CodeGenFunction &CGF, const Expr *, | ||||||
| 5383 | const Expr *, const Expr *) { | ||||||
| 5384 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 5385 | std::string Name = RT.getName({"atomic_reduction"}); | ||||||
| 5386 | RT.emitCriticalRegion( | ||||||
| 5387 | CGF, Name, | ||||||
| 5388 | [=](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5389 | Action.Enter(CGF); | ||||||
| 5390 | emitReductionCombiner(CGF, E); | ||||||
| 5391 | }, | ||||||
| 5392 | Loc); | ||||||
| 5393 | }; | ||||||
| 5394 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5395 | const auto *LHSVar = | ||||||
| 5396 | cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5397 | const auto *RHSVar = | ||||||
| 5398 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5399 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||||
| 5400 | CritRedGen); | ||||||
| 5401 | } else { | ||||||
| 5402 | CritRedGen(CGF, nullptr, nullptr, nullptr); | ||||||
| 5403 | } | ||||||
| 5404 | } | ||||||
| 5405 | ++ILHS; | ||||||
| 5406 | ++IRHS; | ||||||
| 5407 | ++IPriv; | ||||||
| 5408 | } | ||||||
| 5409 | }; | ||||||
| 5410 | RegionCodeGenTy AtomicRCG(AtomicCodeGen); | ||||||
| 5411 | if (!WithNowait) { | ||||||
| 5412 | // Add emission of __kmpc_end_reduce(<loc>, <gtid>, &<lock>); | ||||||
| 5413 | llvm::Value *EndArgs[] = { | ||||||
| 5414 | IdentTLoc, // ident_t *<loc> | ||||||
| 5415 | ThreadId, // i32 <gtid> | ||||||
| 5416 | Lock // kmp_critical_name *&<lock> | ||||||
| 5417 | }; | ||||||
| 5418 | CommonActionTy Action(nullptr, std::nullopt, | ||||||
| 5419 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5420 | CGM.getModule(), OMPRTL___kmpc_end_reduce), | ||||||
| 5421 | EndArgs); | ||||||
| 5422 | AtomicRCG.setAction(Action); | ||||||
| 5423 | AtomicRCG(CGF); | ||||||
| 5424 | } else { | ||||||
| 5425 | AtomicRCG(CGF); | ||||||
| 5426 | } | ||||||
| 5427 | |||||||
| 5428 | CGF.EmitBranch(DefaultBB); | ||||||
| 5429 | CGF.EmitBlock(DefaultBB, /*IsFinished=*/true); | ||||||
| 5430 | } | ||||||
| 5431 | |||||||
| 5432 | /// Generates unique name for artificial threadprivate variables. | ||||||
| 5433 | /// Format is: <Prefix> "." <Decl_mangled_name> "_" "<Decl_start_loc_raw_enc>" | ||||||
| 5434 | static std::string generateUniqueName(CodeGenModule &CGM, StringRef Prefix, | ||||||
| 5435 | const Expr *Ref) { | ||||||
| 5436 | SmallString<256> Buffer; | ||||||
| 5437 | llvm::raw_svector_ostream Out(Buffer); | ||||||
| 5438 | const clang::DeclRefExpr *DE; | ||||||
| 5439 | const VarDecl *D = ::getBaseDecl(Ref, DE); | ||||||
| 5440 | if (!D) | ||||||
| 5441 | D = cast<VarDecl>(cast<DeclRefExpr>(Ref)->getDecl()); | ||||||
| 5442 | D = D->getCanonicalDecl(); | ||||||
| 5443 | std::string Name = CGM.getOpenMPRuntime().getName( | ||||||
| 5444 | {D->isLocalVarDeclOrParm() ? D->getName() : CGM.getMangledName(D)}); | ||||||
| 5445 | Out << Prefix << Name << "_" | ||||||
| 5446 | << D->getCanonicalDecl()->getBeginLoc().getRawEncoding(); | ||||||
| 5447 | return std::string(Out.str()); | ||||||
| 5448 | } | ||||||
| 5449 | |||||||
| 5450 | /// Emits reduction initializer function: | ||||||
| 5451 | /// \code | ||||||
| 5452 | /// void @.red_init(void* %arg, void* %orig) { | ||||||
| 5453 | /// %0 = bitcast void* %arg to <type>* | ||||||
| 5454 | /// store <type> <init>, <type>* %0 | ||||||
| 5455 | /// ret void | ||||||
| 5456 | /// } | ||||||
| 5457 | /// \endcode | ||||||
| 5458 | static llvm::Value *emitReduceInitFunction(CodeGenModule &CGM, | ||||||
| 5459 | SourceLocation Loc, | ||||||
| 5460 | ReductionCodeGen &RCG, unsigned N) { | ||||||
| 5461 | ASTContext &C = CGM.getContext(); | ||||||
| 5462 | QualType VoidPtrTy = C.VoidPtrTy; | ||||||
| 5463 | VoidPtrTy.addRestrict(); | ||||||
| 5464 | FunctionArgList Args; | ||||||
| 5465 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | ||||||
| 5466 | ImplicitParamDecl::Other); | ||||||
| 5467 | ImplicitParamDecl ParamOrig(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | ||||||
| 5468 | ImplicitParamDecl::Other); | ||||||
| 5469 | Args.emplace_back(&Param); | ||||||
| 5470 | Args.emplace_back(&ParamOrig); | ||||||
| 5471 | const auto &FnInfo = | ||||||
| 5472 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5473 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5474 | std::string Name = CGM.getOpenMPRuntime().getName({"red_init", ""}); | ||||||
| 5475 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5476 | Name, &CGM.getModule()); | ||||||
| 5477 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5478 | Fn->setDoesNotRecurse(); | ||||||
| 5479 | CodeGenFunction CGF(CGM); | ||||||
| 5480 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5481 | QualType PrivateType = RCG.getPrivateType(N); | ||||||
| 5482 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||||
| 5483 | CGF.Builder.CreateElementBitCast( | ||||||
| 5484 | CGF.GetAddrOfLocalVar(&Param), | ||||||
| 5485 | CGF.ConvertTypeForMem(PrivateType)->getPointerTo()), | ||||||
| 5486 | C.getPointerType(PrivateType)->castAs<PointerType>()); | ||||||
| 5487 | llvm::Value *Size = nullptr; | ||||||
| 5488 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5489 | // threadprivate variable. | ||||||
| 5490 | if (RCG.getSizes(N).second) { | ||||||
| 5491 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5492 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5493 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5494 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5495 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5496 | } | ||||||
| 5497 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5498 | Address OrigAddr = Address::invalid(); | ||||||
| 5499 | // If initializer uses initializer from declare reduction construct, emit a | ||||||
| 5500 | // pointer to the address of the original reduction item (reuired by reduction | ||||||
| 5501 | // initializer) | ||||||
| 5502 | if (RCG.usesReductionInitializer(N)) { | ||||||
| 5503 | Address SharedAddr = CGF.GetAddrOfLocalVar(&ParamOrig); | ||||||
| 5504 | OrigAddr = CGF.EmitLoadOfPointer( | ||||||
| 5505 | SharedAddr, | ||||||
| 5506 | CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr()); | ||||||
| 5507 | } | ||||||
| 5508 | // Emit the initializer: | ||||||
| 5509 | // %0 = bitcast void* %arg to <type>* | ||||||
| 5510 | // store <type> <init>, <type>* %0 | ||||||
| 5511 | RCG.emitInitialization(CGF, N, PrivateAddr, OrigAddr, | ||||||
| 5512 | [](CodeGenFunction &) { return false; }); | ||||||
| 5513 | CGF.FinishFunction(); | ||||||
| 5514 | return Fn; | ||||||
| 5515 | } | ||||||
| 5516 | |||||||
| 5517 | /// Emits reduction combiner function: | ||||||
| 5518 | /// \code | ||||||
| 5519 | /// void @.red_comb(void* %arg0, void* %arg1) { | ||||||
| 5520 | /// %lhs = bitcast void* %arg0 to <type>* | ||||||
| 5521 | /// %rhs = bitcast void* %arg1 to <type>* | ||||||
| 5522 | /// %2 = <ReductionOp>(<type>* %lhs, <type>* %rhs) | ||||||
| 5523 | /// store <type> %2, <type>* %lhs | ||||||
| 5524 | /// ret void | ||||||
| 5525 | /// } | ||||||
| 5526 | /// \endcode | ||||||
| 5527 | static llvm::Value *emitReduceCombFunction(CodeGenModule &CGM, | ||||||
| 5528 | SourceLocation Loc, | ||||||
| 5529 | ReductionCodeGen &RCG, unsigned N, | ||||||
| 5530 | const Expr *ReductionOp, | ||||||
| 5531 | const Expr *LHS, const Expr *RHS, | ||||||
| 5532 | const Expr *PrivateRef) { | ||||||
| 5533 | ASTContext &C = CGM.getContext(); | ||||||
| 5534 | const auto *LHSVD = cast<VarDecl>(cast<DeclRefExpr>(LHS)->getDecl()); | ||||||
| 5535 | const auto *RHSVD = cast<VarDecl>(cast<DeclRefExpr>(RHS)->getDecl()); | ||||||
| 5536 | FunctionArgList Args; | ||||||
| 5537 | ImplicitParamDecl ParamInOut(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 5538 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||||
| 5539 | ImplicitParamDecl ParamIn(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5540 | ImplicitParamDecl::Other); | ||||||
| 5541 | Args.emplace_back(&ParamInOut); | ||||||
| 5542 | Args.emplace_back(&ParamIn); | ||||||
| 5543 | const auto &FnInfo = | ||||||
| 5544 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5545 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5546 | std::string Name = CGM.getOpenMPRuntime().getName({"red_comb", ""}); | ||||||
| 5547 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5548 | Name, &CGM.getModule()); | ||||||
| 5549 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5550 | Fn->setDoesNotRecurse(); | ||||||
| 5551 | CodeGenFunction CGF(CGM); | ||||||
| 5552 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5553 | llvm::Value *Size = nullptr; | ||||||
| 5554 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5555 | // threadprivate variable. | ||||||
| 5556 | if (RCG.getSizes(N).second) { | ||||||
| 5557 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5558 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5559 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5560 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5561 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5562 | } | ||||||
| 5563 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5564 | // Remap lhs and rhs variables to the addresses of the function arguments. | ||||||
| 5565 | // %lhs = bitcast void* %arg0 to <type>* | ||||||
| 5566 | // %rhs = bitcast void* %arg1 to <type>* | ||||||
| 5567 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||||
| 5568 | PrivateScope.addPrivate( | ||||||
| 5569 | LHSVD, | ||||||
| 5570 | // Pull out the pointer to the variable. | ||||||
| 5571 | CGF.EmitLoadOfPointer( | ||||||
| 5572 | CGF.Builder.CreateElementBitCast( | ||||||
| 5573 | CGF.GetAddrOfLocalVar(&ParamInOut), | ||||||
| 5574 | CGF.ConvertTypeForMem(LHSVD->getType())->getPointerTo()), | ||||||
| 5575 | C.getPointerType(LHSVD->getType())->castAs<PointerType>())); | ||||||
| 5576 | PrivateScope.addPrivate( | ||||||
| 5577 | RHSVD, | ||||||
| 5578 | // Pull out the pointer to the variable. | ||||||
| 5579 | CGF.EmitLoadOfPointer( | ||||||
| 5580 | CGF.Builder.CreateElementBitCast( | ||||||
| 5581 | CGF.GetAddrOfLocalVar(&ParamIn), | ||||||
| 5582 | CGF.ConvertTypeForMem(RHSVD->getType())->getPointerTo()), | ||||||
| 5583 | C.getPointerType(RHSVD->getType())->castAs<PointerType>())); | ||||||
| 5584 | PrivateScope.Privatize(); | ||||||
| 5585 | // Emit the combiner body: | ||||||
| 5586 | // %2 = <ReductionOp>(<type> *%lhs, <type> *%rhs) | ||||||
| 5587 | // store <type> %2, <type>* %lhs | ||||||
| 5588 | CGM.getOpenMPRuntime().emitSingleReductionCombiner( | ||||||
| 5589 | CGF, ReductionOp, PrivateRef, cast<DeclRefExpr>(LHS), | ||||||
| 5590 | cast<DeclRefExpr>(RHS)); | ||||||
| 5591 | CGF.FinishFunction(); | ||||||
| 5592 | return Fn; | ||||||
| 5593 | } | ||||||
| 5594 | |||||||
| 5595 | /// Emits reduction finalizer function: | ||||||
| 5596 | /// \code | ||||||
| 5597 | /// void @.red_fini(void* %arg) { | ||||||
| 5598 | /// %0 = bitcast void* %arg to <type>* | ||||||
| 5599 | /// <destroy>(<type>* %0) | ||||||
| 5600 | /// ret void | ||||||
| 5601 | /// } | ||||||
| 5602 | /// \endcode | ||||||
| 5603 | static llvm::Value *emitReduceFiniFunction(CodeGenModule &CGM, | ||||||
| 5604 | SourceLocation Loc, | ||||||
| 5605 | ReductionCodeGen &RCG, unsigned N) { | ||||||
| 5606 | if (!RCG.needCleanups(N)) | ||||||
| 5607 | return nullptr; | ||||||
| 5608 | ASTContext &C = CGM.getContext(); | ||||||
| 5609 | FunctionArgList Args; | ||||||
| 5610 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5611 | ImplicitParamDecl::Other); | ||||||
| 5612 | Args.emplace_back(&Param); | ||||||
| 5613 | const auto &FnInfo = | ||||||
| 5614 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5615 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5616 | std::string Name = CGM.getOpenMPRuntime().getName({"red_fini", ""}); | ||||||
| 5617 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5618 | Name, &CGM.getModule()); | ||||||
| 5619 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5620 | Fn->setDoesNotRecurse(); | ||||||
| 5621 | CodeGenFunction CGF(CGM); | ||||||
| 5622 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5623 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||||
| 5624 | CGF.GetAddrOfLocalVar(&Param), C.VoidPtrTy.castAs<PointerType>()); | ||||||
| 5625 | llvm::Value *Size = nullptr; | ||||||
| 5626 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5627 | // threadprivate variable. | ||||||
| 5628 | if (RCG.getSizes(N).second) { | ||||||
| 5629 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5630 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5631 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5632 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5633 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5634 | } | ||||||
| 5635 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5636 | // Emit the finalizer body: | ||||||
| 5637 | // <destroy>(<type>* %0) | ||||||
| 5638 | RCG.emitCleanups(CGF, N, PrivateAddr); | ||||||
| 5639 | CGF.FinishFunction(Loc); | ||||||
| 5640 | return Fn; | ||||||
| 5641 | } | ||||||
| 5642 | |||||||
| 5643 | llvm::Value *CGOpenMPRuntime::emitTaskReductionInit( | ||||||
| 5644 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | ||||||
| 5645 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | ||||||
| 5646 | if (!CGF.HaveInsertPoint() || Data.ReductionVars.empty()) | ||||||
| 5647 | return nullptr; | ||||||
| 5648 | |||||||
| 5649 | // Build typedef struct: | ||||||
| 5650 | // kmp_taskred_input { | ||||||
| 5651 | // void *reduce_shar; // shared reduction item | ||||||
| 5652 | // void *reduce_orig; // original reduction item used for initialization | ||||||
| 5653 | // size_t reduce_size; // size of data item | ||||||
| 5654 | // void *reduce_init; // data initialization routine | ||||||
| 5655 | // void *reduce_fini; // data finalization routine | ||||||
| 5656 | // void *reduce_comb; // data combiner routine | ||||||
| 5657 | // kmp_task_red_flags_t flags; // flags for additional info from compiler | ||||||
| 5658 | // } kmp_taskred_input_t; | ||||||
| 5659 | ASTContext &C = CGM.getContext(); | ||||||
| 5660 | RecordDecl *RD = C.buildImplicitRecord("kmp_taskred_input_t"); | ||||||
| 5661 | RD->startDefinition(); | ||||||
| 5662 | const FieldDecl *SharedFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5663 | const FieldDecl *OrigFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5664 | const FieldDecl *SizeFD = addFieldToRecordDecl(C, RD, C.getSizeType()); | ||||||
| 5665 | const FieldDecl *InitFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5666 | const FieldDecl *FiniFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5667 | const FieldDecl *CombFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5668 | const FieldDecl *FlagsFD = addFieldToRecordDecl( | ||||||
| 5669 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/false)); | ||||||
| 5670 | RD->completeDefinition(); | ||||||
| 5671 | QualType RDType = C.getRecordType(RD); | ||||||
| 5672 | unsigned Size = Data.ReductionVars.size(); | ||||||
| 5673 | llvm::APInt ArraySize(/*numBits=*/64, Size); | ||||||
| 5674 | QualType ArrayRDType = C.getConstantArrayType( | ||||||
| 5675 | RDType, ArraySize, nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 5676 | // kmp_task_red_input_t .rd_input.[Size]; | ||||||
| 5677 | Address TaskRedInput = CGF.CreateMemTemp(ArrayRDType, ".rd_input."); | ||||||
| 5678 | ReductionCodeGen RCG(Data.ReductionVars, Data.ReductionOrigs, | ||||||
| 5679 | Data.ReductionCopies, Data.ReductionOps); | ||||||
| 5680 | for (unsigned Cnt = 0; Cnt < Size; ++Cnt) { | ||||||
| 5681 | // kmp_task_red_input_t &ElemLVal = .rd_input.[Cnt]; | ||||||
| 5682 | llvm::Value *Idxs[] = {llvm::ConstantInt::get(CGM.SizeTy, /*V=*/0), | ||||||
| 5683 | llvm::ConstantInt::get(CGM.SizeTy, Cnt)}; | ||||||
| 5684 | llvm::Value *GEP = CGF.EmitCheckedInBoundsGEP( | ||||||
| 5685 | TaskRedInput.getElementType(), TaskRedInput.getPointer(), Idxs, | ||||||
| 5686 | /*SignedIndices=*/false, /*IsSubtraction=*/false, Loc, | ||||||
| 5687 | ".rd_input.gep."); | ||||||
| 5688 | LValue ElemLVal = CGF.MakeNaturalAlignAddrLValue(GEP, RDType); | ||||||
| 5689 | // ElemLVal.reduce_shar = &Shareds[Cnt]; | ||||||
| 5690 | LValue SharedLVal = CGF.EmitLValueForField(ElemLVal, SharedFD); | ||||||
| 5691 | RCG.emitSharedOrigLValue(CGF, Cnt); | ||||||
| 5692 | llvm::Value *CastedShared = | ||||||
| 5693 | CGF.EmitCastToVoidPtr(RCG.getSharedLValue(Cnt).getPointer(CGF)); | ||||||
| 5694 | CGF.EmitStoreOfScalar(CastedShared, SharedLVal); | ||||||
| 5695 | // ElemLVal.reduce_orig = &Origs[Cnt]; | ||||||
| 5696 | LValue OrigLVal = CGF.EmitLValueForField(ElemLVal, OrigFD); | ||||||
| 5697 | llvm::Value *CastedOrig = | ||||||
| 5698 | CGF.EmitCastToVoidPtr(RCG.getOrigLValue(Cnt).getPointer(CGF)); | ||||||
| 5699 | CGF.EmitStoreOfScalar(CastedOrig, OrigLVal); | ||||||
| 5700 | RCG.emitAggregateType(CGF, Cnt); | ||||||
| 5701 | llvm::Value *SizeValInChars; | ||||||
| 5702 | llvm::Value *SizeVal; | ||||||
| 5703 | std::tie(SizeValInChars, SizeVal) = RCG.getSizes(Cnt); | ||||||
| 5704 | // We use delayed creation/initialization for VLAs and array sections. It is | ||||||
| 5705 | // required because runtime does not provide the way to pass the sizes of | ||||||
| 5706 | // VLAs/array sections to initializer/combiner/finalizer functions. Instead | ||||||
| 5707 | // threadprivate global variables are used to store these values and use | ||||||
| 5708 | // them in the functions. | ||||||
| 5709 | bool DelayedCreation = !!SizeVal; | ||||||
| 5710 | SizeValInChars = CGF.Builder.CreateIntCast(SizeValInChars, CGM.SizeTy, | ||||||
| 5711 | /*isSigned=*/false); | ||||||
| 5712 | LValue SizeLVal = CGF.EmitLValueForField(ElemLVal, SizeFD); | ||||||
| 5713 | CGF.EmitStoreOfScalar(SizeValInChars, SizeLVal); | ||||||
| 5714 | // ElemLVal.reduce_init = init; | ||||||
| 5715 | LValue InitLVal = CGF.EmitLValueForField(ElemLVal, InitFD); | ||||||
| 5716 | llvm::Value *InitAddr = | ||||||
| 5717 | CGF.EmitCastToVoidPtr(emitReduceInitFunction(CGM, Loc, RCG, Cnt)); | ||||||
| 5718 | CGF.EmitStoreOfScalar(InitAddr, InitLVal); | ||||||
| 5719 | // ElemLVal.reduce_fini = fini; | ||||||
| 5720 | LValue FiniLVal = CGF.EmitLValueForField(ElemLVal, FiniFD); | ||||||
| 5721 | llvm::Value *Fini = emitReduceFiniFunction(CGM, Loc, RCG, Cnt); | ||||||
| 5722 | llvm::Value *FiniAddr = Fini | ||||||
| 5723 | ? CGF.EmitCastToVoidPtr(Fini) | ||||||
| 5724 | : llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | ||||||
| 5725 | CGF.EmitStoreOfScalar(FiniAddr, FiniLVal); | ||||||
| 5726 | // ElemLVal.reduce_comb = comb; | ||||||
| 5727 | LValue CombLVal = CGF.EmitLValueForField(ElemLVal, CombFD); | ||||||
| 5728 | llvm::Value *CombAddr = CGF.EmitCastToVoidPtr(emitReduceCombFunction( | ||||||
| 5729 | CGM, Loc, RCG, Cnt, Data.ReductionOps[Cnt], LHSExprs[Cnt], | ||||||
| 5730 | RHSExprs[Cnt], Data.ReductionCopies[Cnt])); | ||||||
| 5731 | CGF.EmitStoreOfScalar(CombAddr, CombLVal); | ||||||
| 5732 | // ElemLVal.flags = 0; | ||||||
| 5733 | LValue FlagsLVal = CGF.EmitLValueForField(ElemLVal, FlagsFD); | ||||||
| 5734 | if (DelayedCreation) { | ||||||
| 5735 | CGF.EmitStoreOfScalar( | ||||||
| 5736 | llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*isSigned=*/true), | ||||||
| 5737 | FlagsLVal); | ||||||
| 5738 | } else | ||||||
| 5739 | CGF.EmitNullInitialization(FlagsLVal.getAddress(CGF), | ||||||
| 5740 | FlagsLVal.getType()); | ||||||
| 5741 | } | ||||||
| 5742 | if (Data.IsReductionWithTaskMod) { | ||||||
| 5743 | // Build call void *__kmpc_taskred_modifier_init(ident_t *loc, int gtid, int | ||||||
| 5744 | // is_ws, int num, void *data); | ||||||
| 5745 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 5746 | llvm::Value *GTid = CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | ||||||
| 5747 | CGM.IntTy, /*isSigned=*/true); | ||||||
| 5748 | llvm::Value *Args[] = { | ||||||
| 5749 | IdentTLoc, GTid, | ||||||
| 5750 | llvm::ConstantInt::get(CGM.IntTy, Data.IsWorksharingReduction ? 1 : 0, | ||||||
| 5751 | /*isSigned=*/true), | ||||||
| 5752 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | ||||||
| 5753 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5754 | TaskRedInput.getPointer(), CGM.VoidPtrTy)}; | ||||||
| 5755 | return CGF.EmitRuntimeCall( | ||||||
| 5756 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5757 | CGM.getModule(), OMPRTL___kmpc_taskred_modifier_init), | ||||||
| 5758 | Args); | ||||||
| 5759 | } | ||||||
| 5760 | // Build call void *__kmpc_taskred_init(int gtid, int num_data, void *data); | ||||||
| 5761 | llvm::Value *Args[] = { | ||||||
| 5762 | CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), CGM.IntTy, | ||||||
| 5763 | /*isSigned=*/true), | ||||||
| 5764 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | ||||||
| 5765 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(TaskRedInput.getPointer(), | ||||||
| 5766 | CGM.VoidPtrTy)}; | ||||||
| 5767 | return CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5768 | CGM.getModule(), OMPRTL___kmpc_taskred_init), | ||||||
| 5769 | Args); | ||||||
| 5770 | } | ||||||
| 5771 | |||||||
| 5772 | void CGOpenMPRuntime::emitTaskReductionFini(CodeGenFunction &CGF, | ||||||
| 5773 | SourceLocation Loc, | ||||||
| 5774 | bool IsWorksharingReduction) { | ||||||
| 5775 | // Build call void *__kmpc_taskred_modifier_init(ident_t *loc, int gtid, int | ||||||
| 5776 | // is_ws, int num, void *data); | ||||||
| 5777 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 5778 | llvm::Value *GTid = CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | ||||||
| 5779 | CGM.IntTy, /*isSigned=*/true); | ||||||
| 5780 | llvm::Value *Args[] = {IdentTLoc, GTid, | ||||||
| 5781 | llvm::ConstantInt::get(CGM.IntTy, | ||||||
| 5782 | IsWorksharingReduction ? 1 : 0, | ||||||
| 5783 | /*isSigned=*/true)}; | ||||||
| 5784 | (void)CGF.EmitRuntimeCall( | ||||||
| 5785 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5786 | CGM.getModule(), OMPRTL___kmpc_task_reduction_modifier_fini), | ||||||
| 5787 | Args); | ||||||
| 5788 | } | ||||||
| 5789 | |||||||
| 5790 | void CGOpenMPRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | ||||||
| 5791 | SourceLocation Loc, | ||||||
| 5792 | ReductionCodeGen &RCG, | ||||||
| 5793 | unsigned N) { | ||||||
| 5794 | auto Sizes = RCG.getSizes(N); | ||||||
| 5795 | // Emit threadprivate global variable if the type is non-constant | ||||||
| 5796 | // (Sizes.second = nullptr). | ||||||
| 5797 | if (Sizes.second) { | ||||||
| 5798 | llvm::Value *SizeVal = CGF.Builder.CreateIntCast(Sizes.second, CGM.SizeTy, | ||||||
| 5799 | /*isSigned=*/false); | ||||||
| 5800 | Address SizeAddr = getAddrOfArtificialThreadPrivate( | ||||||
| 5801 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5802 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5803 | CGF.Builder.CreateStore(SizeVal, SizeAddr, /*IsVolatile=*/false); | ||||||
| 5804 | } | ||||||
| 5805 | } | ||||||
| 5806 | |||||||
| 5807 | Address CGOpenMPRuntime::getTaskReductionItem(CodeGenFunction &CGF, | ||||||
| 5808 | SourceLocation Loc, | ||||||
| 5809 | llvm::Value *ReductionsPtr, | ||||||
| 5810 | LValue SharedLVal) { | ||||||
| 5811 | // Build call void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | ||||||
| 5812 | // *d); | ||||||
| 5813 | llvm::Value *Args[] = {CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | ||||||
| 5814 | CGM.IntTy, | ||||||
| 5815 | /*isSigned=*/true), | ||||||
| 5816 | ReductionsPtr, | ||||||
| 5817 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5818 | SharedLVal.getPointer(CGF), CGM.VoidPtrTy)}; | ||||||
| 5819 | return Address( | ||||||
| 5820 | CGF.EmitRuntimeCall( | ||||||
| 5821 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5822 | CGM.getModule(), OMPRTL___kmpc_task_reduction_get_th_data), | ||||||
| 5823 | Args), | ||||||
| 5824 | CGF.Int8Ty, SharedLVal.getAlignment()); | ||||||
| 5825 | } | ||||||
| 5826 | |||||||
| 5827 | void CGOpenMPRuntime::emitTaskwaitCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 5828 | const OMPTaskDataTy &Data) { | ||||||
| 5829 | if (!CGF.HaveInsertPoint()) | ||||||
| 5830 | return; | ||||||
| 5831 | |||||||
| 5832 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder && Data.Dependences.empty()) { | ||||||
| 5833 | // TODO: Need to support taskwait with dependences in the OpenMPIRBuilder. | ||||||
| 5834 | OMPBuilder.createTaskwait(CGF.Builder); | ||||||
| 5835 | } else { | ||||||
| 5836 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 5837 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 5838 | auto &M = CGM.getModule(); | ||||||
| 5839 | Address DependenciesArray = Address::invalid(); | ||||||
| 5840 | llvm::Value *NumOfElements; | ||||||
| 5841 | std::tie(NumOfElements, DependenciesArray) = | ||||||
| 5842 | emitDependClause(CGF, Data.Dependences, Loc); | ||||||
| 5843 | if (!Data.Dependences.empty()) { | ||||||
| 5844 | llvm::Value *DepWaitTaskArgs[7]; | ||||||
| 5845 | DepWaitTaskArgs[0] = UpLoc; | ||||||
| 5846 | DepWaitTaskArgs[1] = ThreadID; | ||||||
| 5847 | DepWaitTaskArgs[2] = NumOfElements; | ||||||
| 5848 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | ||||||
| 5849 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | ||||||
| 5850 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 5851 | DepWaitTaskArgs[6] = | ||||||
| 5852 | llvm::ConstantInt::get(CGF.Int32Ty, Data.HasNowaitClause); | ||||||
| 5853 | |||||||
| 5854 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | ||||||
| 5855 | |||||||
| 5856 | // Build void __kmpc_omp_taskwait_deps_51(ident_t *, kmp_int32 gtid, | ||||||
| 5857 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | ||||||
| 5858 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list, | ||||||
| 5859 | // kmp_int32 has_no_wait); if dependence info is specified. | ||||||
| 5860 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5861 | M, OMPRTL___kmpc_omp_taskwait_deps_51), | ||||||
| 5862 | DepWaitTaskArgs); | ||||||
| 5863 | |||||||
| 5864 | } else { | ||||||
| 5865 | |||||||
| 5866 | // Build call kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | ||||||
| 5867 | // global_tid); | ||||||
| 5868 | llvm::Value *Args[] = {UpLoc, ThreadID}; | ||||||
| 5869 | // Ignore return result until untied tasks are supported. | ||||||
| 5870 | CGF.EmitRuntimeCall( | ||||||
| 5871 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_omp_taskwait), | ||||||
| 5872 | Args); | ||||||
| 5873 | } | ||||||
| 5874 | } | ||||||
| 5875 | |||||||
| 5876 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 5877 | Region->emitUntiedSwitch(CGF); | ||||||
| 5878 | } | ||||||
| 5879 | |||||||
| 5880 | void CGOpenMPRuntime::emitInlinedDirective(CodeGenFunction &CGF, | ||||||
| 5881 | OpenMPDirectiveKind InnerKind, | ||||||
| 5882 | const RegionCodeGenTy &CodeGen, | ||||||
| 5883 | bool HasCancel) { | ||||||
| 5884 | if (!CGF.HaveInsertPoint()) | ||||||
| 5885 | return; | ||||||
| 5886 | InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel, | ||||||
| 5887 | InnerKind != OMPD_critical && | ||||||
| 5888 | InnerKind != OMPD_master && | ||||||
| 5889 | InnerKind != OMPD_masked); | ||||||
| 5890 | CGF.CapturedStmtInfo->EmitBody(CGF, /*S=*/nullptr); | ||||||
| 5891 | } | ||||||
| 5892 | |||||||
| 5893 | namespace { | ||||||
| 5894 | enum RTCancelKind { | ||||||
| 5895 | CancelNoreq = 0, | ||||||
| 5896 | CancelParallel = 1, | ||||||
| 5897 | CancelLoop = 2, | ||||||
| 5898 | CancelSections = 3, | ||||||
| 5899 | CancelTaskgroup = 4 | ||||||
| 5900 | }; | ||||||
| 5901 | } // anonymous namespace | ||||||
| 5902 | |||||||
| 5903 | static RTCancelKind getCancellationKind(OpenMPDirectiveKind CancelRegion) { | ||||||
| 5904 | RTCancelKind CancelKind = CancelNoreq; | ||||||
| 5905 | if (CancelRegion == OMPD_parallel) | ||||||
| 5906 | CancelKind = CancelParallel; | ||||||
| 5907 | else if (CancelRegion == OMPD_for) | ||||||
| 5908 | CancelKind = CancelLoop; | ||||||
| 5909 | else if (CancelRegion == OMPD_sections) | ||||||
| 5910 | CancelKind = CancelSections; | ||||||
| 5911 | else { | ||||||
| 5912 | assert(CancelRegion == OMPD_taskgroup)(static_cast <bool> (CancelRegion == OMPD_taskgroup) ? void (0) : __assert_fail ("CancelRegion == OMPD_taskgroup", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5912, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 5913 | CancelKind = CancelTaskgroup; | ||||||
| 5914 | } | ||||||
| 5915 | return CancelKind; | ||||||
| 5916 | } | ||||||
| 5917 | |||||||
| 5918 | void CGOpenMPRuntime::emitCancellationPointCall( | ||||||
| 5919 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 5920 | OpenMPDirectiveKind CancelRegion) { | ||||||
| 5921 | if (!CGF.HaveInsertPoint()) | ||||||
| 5922 | return; | ||||||
| 5923 | // Build call kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | ||||||
| 5924 | // global_tid, kmp_int32 cncl_kind); | ||||||
| 5925 | if (auto *OMPRegionInfo = | ||||||
| 5926 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||||
| 5927 | // For 'cancellation point taskgroup', the task region info may not have a | ||||||
| 5928 | // cancel. This may instead happen in another adjacent task. | ||||||
| 5929 | if (CancelRegion == OMPD_taskgroup || OMPRegionInfo->hasCancel()) { | ||||||
| 5930 | llvm::Value *Args[] = { | ||||||
| 5931 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 5932 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | ||||||
| 5933 | // Ignore return result until untied tasks are supported. | ||||||
| 5934 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||||
| 5935 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5936 | CGM.getModule(), OMPRTL___kmpc_cancellationpoint), | ||||||
| 5937 | Args); | ||||||
| 5938 | // if (__kmpc_cancellationpoint()) { | ||||||
| 5939 | // call i32 @__kmpc_cancel_barrier( // for parallel cancellation only | ||||||
| 5940 | // exit from construct; | ||||||
| 5941 | // } | ||||||
| 5942 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||||
| 5943 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||||
| 5944 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||||
| 5945 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||||
| 5946 | CGF.EmitBlock(ExitBB); | ||||||
| 5947 | if (CancelRegion == OMPD_parallel) | ||||||
| 5948 | emitBarrierCall(CGF, Loc, OMPD_unknown, /*EmitChecks=*/false); | ||||||
| 5949 | // exit from construct; | ||||||
| 5950 | CodeGenFunction::JumpDest CancelDest = | ||||||
| 5951 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||||
| 5952 | CGF.EmitBranchThroughCleanup(CancelDest); | ||||||
| 5953 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||||
| 5954 | } | ||||||
| 5955 | } | ||||||
| 5956 | } | ||||||
| 5957 | |||||||
| 5958 | void CGOpenMPRuntime::emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 5959 | const Expr *IfCond, | ||||||
| 5960 | OpenMPDirectiveKind CancelRegion) { | ||||||
| 5961 | if (!CGF.HaveInsertPoint()) | ||||||
| 5962 | return; | ||||||
| 5963 | // Build call kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | ||||||
| 5964 | // kmp_int32 cncl_kind); | ||||||
| 5965 | auto &M = CGM.getModule(); | ||||||
| 5966 | if (auto *OMPRegionInfo = | ||||||
| 5967 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||||
| 5968 | auto &&ThenGen = [this, &M, Loc, CancelRegion, | ||||||
| 5969 | OMPRegionInfo](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 5970 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 5971 | llvm::Value *Args[] = { | ||||||
| 5972 | RT.emitUpdateLocation(CGF, Loc), RT.getThreadID(CGF, Loc), | ||||||
| 5973 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | ||||||
| 5974 | // Ignore return result until untied tasks are supported. | ||||||
| 5975 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||||
| 5976 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_cancel), Args); | ||||||
| 5977 | // if (__kmpc_cancel()) { | ||||||
| 5978 | // call i32 @__kmpc_cancel_barrier( // for parallel cancellation only | ||||||
| 5979 | // exit from construct; | ||||||
| 5980 | // } | ||||||
| 5981 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||||
| 5982 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||||
| 5983 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||||
| 5984 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||||
| 5985 | CGF.EmitBlock(ExitBB); | ||||||
| 5986 | if (CancelRegion == OMPD_parallel) | ||||||
| 5987 | RT.emitBarrierCall(CGF, Loc, OMPD_unknown, /*EmitChecks=*/false); | ||||||
| 5988 | // exit from construct; | ||||||
| 5989 | CodeGenFunction::JumpDest CancelDest = | ||||||
| 5990 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||||
| 5991 | CGF.EmitBranchThroughCleanup(CancelDest); | ||||||
| 5992 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||||
| 5993 | }; | ||||||
| 5994 | if (IfCond) { | ||||||
| 5995 | emitIfClause(CGF, IfCond, ThenGen, | ||||||
| 5996 | [](CodeGenFunction &, PrePostActionTy &) {}); | ||||||
| 5997 | } else { | ||||||
| 5998 | RegionCodeGenTy ThenRCG(ThenGen); | ||||||
| 5999 | ThenRCG(CGF); | ||||||
| 6000 | } | ||||||
| 6001 | } | ||||||
| 6002 | } | ||||||
| 6003 | |||||||
| 6004 | namespace { | ||||||
| 6005 | /// Cleanup action for uses_allocators support. | ||||||
| 6006 | class OMPUsesAllocatorsActionTy final : public PrePostActionTy { | ||||||
| 6007 | ArrayRef<std::pair<const Expr *, const Expr *>> Allocators; | ||||||
| 6008 | |||||||
| 6009 | public: | ||||||
| 6010 | OMPUsesAllocatorsActionTy( | ||||||
| 6011 | ArrayRef<std::pair<const Expr *, const Expr *>> Allocators) | ||||||
| 6012 | : Allocators(Allocators) {} | ||||||
| 6013 | void Enter(CodeGenFunction &CGF) override { | ||||||
| 6014 | if (!CGF.HaveInsertPoint()) | ||||||
| 6015 | return; | ||||||
| 6016 | for (const auto &AllocatorData : Allocators) { | ||||||
| 6017 | CGF.CGM.getOpenMPRuntime().emitUsesAllocatorsInit( | ||||||
| 6018 | CGF, AllocatorData.first, AllocatorData.second); | ||||||
| 6019 | } | ||||||
| 6020 | } | ||||||
| 6021 | void Exit(CodeGenFunction &CGF) override { | ||||||
| 6022 | if (!CGF.HaveInsertPoint()) | ||||||
| 6023 | return; | ||||||
| 6024 | for (const auto &AllocatorData : Allocators) { | ||||||
| 6025 | CGF.CGM.getOpenMPRuntime().emitUsesAllocatorsFini(CGF, | ||||||
| 6026 | AllocatorData.first); | ||||||
| 6027 | } | ||||||
| 6028 | } | ||||||
| 6029 | }; | ||||||
| 6030 | } // namespace | ||||||
| 6031 | |||||||
| 6032 | void CGOpenMPRuntime::emitTargetOutlinedFunction( | ||||||
| 6033 | const OMPExecutableDirective &D, StringRef ParentName, | ||||||
| 6034 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||||
| 6035 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||||
| 6036 | assert(!ParentName.empty() && "Invalid target entry parent name!")(static_cast <bool> (!ParentName.empty() && "Invalid target entry parent name!" ) ? void (0) : __assert_fail ("!ParentName.empty() && \"Invalid target entry parent name!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6036, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6037 | HasEmittedTargetRegion = true; | ||||||
| 6038 | SmallVector<std::pair<const Expr *, const Expr *>, 4> Allocators; | ||||||
| 6039 | for (const auto *C : D.getClausesOfKind<OMPUsesAllocatorsClause>()) { | ||||||
| 6040 | for (unsigned I = 0, E = C->getNumberOfAllocators(); I < E; ++I) { | ||||||
| 6041 | const OMPUsesAllocatorsClause::Data D = C->getAllocatorData(I); | ||||||
| 6042 | if (!D.AllocatorTraits) | ||||||
| 6043 | continue; | ||||||
| 6044 | Allocators.emplace_back(D.Allocator, D.AllocatorTraits); | ||||||
| 6045 | } | ||||||
| 6046 | } | ||||||
| 6047 | OMPUsesAllocatorsActionTy UsesAllocatorAction(Allocators); | ||||||
| 6048 | CodeGen.setAction(UsesAllocatorAction); | ||||||
| 6049 | emitTargetOutlinedFunctionHelper(D, ParentName, OutlinedFn, OutlinedFnID, | ||||||
| 6050 | IsOffloadEntry, CodeGen); | ||||||
| 6051 | } | ||||||
| 6052 | |||||||
| 6053 | void CGOpenMPRuntime::emitUsesAllocatorsInit(CodeGenFunction &CGF, | ||||||
| 6054 | const Expr *Allocator, | ||||||
| 6055 | const Expr *AllocatorTraits) { | ||||||
| 6056 | llvm::Value *ThreadId = getThreadID(CGF, Allocator->getExprLoc()); | ||||||
| 6057 | ThreadId = CGF.Builder.CreateIntCast(ThreadId, CGF.IntTy, /*isSigned=*/true); | ||||||
| 6058 | // Use default memspace handle. | ||||||
| 6059 | llvm::Value *MemSpaceHandle = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 6060 | llvm::Value *NumTraits = llvm::ConstantInt::get( | ||||||
| 6061 | CGF.IntTy, cast<ConstantArrayType>( | ||||||
| 6062 | AllocatorTraits->getType()->getAsArrayTypeUnsafe()) | ||||||
| 6063 | ->getSize() | ||||||
| 6064 | .getLimitedValue()); | ||||||
| 6065 | LValue AllocatorTraitsLVal = CGF.EmitLValue(AllocatorTraits); | ||||||
| 6066 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 6067 | AllocatorTraitsLVal.getAddress(CGF), CGF.VoidPtrPtrTy, CGF.VoidPtrTy); | ||||||
| 6068 | AllocatorTraitsLVal = CGF.MakeAddrLValue(Addr, CGF.getContext().VoidPtrTy, | ||||||
| 6069 | AllocatorTraitsLVal.getBaseInfo(), | ||||||
| 6070 | AllocatorTraitsLVal.getTBAAInfo()); | ||||||
| 6071 | llvm::Value *Traits = | ||||||
| 6072 | CGF.EmitLoadOfScalar(AllocatorTraitsLVal, AllocatorTraits->getExprLoc()); | ||||||
| 6073 | |||||||
| 6074 | llvm::Value *AllocatorVal = | ||||||
| 6075 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 6076 | CGM.getModule(), OMPRTL___kmpc_init_allocator), | ||||||
| 6077 | {ThreadId, MemSpaceHandle, NumTraits, Traits}); | ||||||
| 6078 | // Store to allocator. | ||||||
| 6079 | CGF.EmitVarDecl(*cast<VarDecl>( | ||||||
| 6080 | cast<DeclRefExpr>(Allocator->IgnoreParenImpCasts())->getDecl())); | ||||||
| 6081 | LValue AllocatorLVal = CGF.EmitLValue(Allocator->IgnoreParenImpCasts()); | ||||||
| 6082 | AllocatorVal = | ||||||
| 6083 | CGF.EmitScalarConversion(AllocatorVal, CGF.getContext().VoidPtrTy, | ||||||
| 6084 | Allocator->getType(), Allocator->getExprLoc()); | ||||||
| 6085 | CGF.EmitStoreOfScalar(AllocatorVal, AllocatorLVal); | ||||||
| 6086 | } | ||||||
| 6087 | |||||||
| 6088 | void CGOpenMPRuntime::emitUsesAllocatorsFini(CodeGenFunction &CGF, | ||||||
| 6089 | const Expr *Allocator) { | ||||||
| 6090 | llvm::Value *ThreadId = getThreadID(CGF, Allocator->getExprLoc()); | ||||||
| 6091 | ThreadId = CGF.Builder.CreateIntCast(ThreadId, CGF.IntTy, /*isSigned=*/true); | ||||||
| 6092 | LValue AllocatorLVal = CGF.EmitLValue(Allocator->IgnoreParenImpCasts()); | ||||||
| 6093 | llvm::Value *AllocatorVal = | ||||||
| 6094 | CGF.EmitLoadOfScalar(AllocatorLVal, Allocator->getExprLoc()); | ||||||
| 6095 | AllocatorVal = CGF.EmitScalarConversion(AllocatorVal, Allocator->getType(), | ||||||
| 6096 | CGF.getContext().VoidPtrTy, | ||||||
| 6097 | Allocator->getExprLoc()); | ||||||
| 6098 | (void)CGF.EmitRuntimeCall( | ||||||
| 6099 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 6100 | OMPRTL___kmpc_destroy_allocator), | ||||||
| 6101 | {ThreadId, AllocatorVal}); | ||||||
| 6102 | } | ||||||
| 6103 | |||||||
| 6104 | void CGOpenMPRuntime::emitTargetOutlinedFunctionHelper( | ||||||
| 6105 | const OMPExecutableDirective &D, StringRef ParentName, | ||||||
| 6106 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||||
| 6107 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||||
| 6108 | |||||||
| 6109 | auto EntryInfo = | ||||||
| 6110 | getTargetEntryUniqueInfo(CGM.getContext(), D.getBeginLoc(), ParentName); | ||||||
| 6111 | |||||||
| 6112 | CodeGenFunction CGF(CGM, true); | ||||||
| 6113 | llvm::OpenMPIRBuilder::FunctionGenCallback &&GenerateOutlinedFunction = | ||||||
| 6114 | [&CGF, &D, &CodeGen](StringRef EntryFnName) { | ||||||
| 6115 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | ||||||
| 6116 | |||||||
| 6117 | CGOpenMPTargetRegionInfo CGInfo(CS, CodeGen, EntryFnName); | ||||||
| 6118 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 6119 | return CGF.GenerateOpenMPCapturedStmtFunction(CS, D.getBeginLoc()); | ||||||
| 6120 | }; | ||||||
| 6121 | |||||||
| 6122 | // Get NumTeams and ThreadLimit attributes | ||||||
| 6123 | int32_t DefaultValTeams = -1; | ||||||
| 6124 | int32_t DefaultValThreads = -1; | ||||||
| 6125 | getNumTeamsExprForTargetDirective(CGF, D, DefaultValTeams); | ||||||
| 6126 | getNumThreadsExprForTargetDirective(CGF, D, DefaultValThreads); | ||||||
| 6127 | |||||||
| 6128 | OMPBuilder.emitTargetRegionFunction(EntryInfo, GenerateOutlinedFunction, | ||||||
| 6129 | DefaultValTeams, DefaultValThreads, | ||||||
| 6130 | IsOffloadEntry, OutlinedFn, OutlinedFnID); | ||||||
| 6131 | |||||||
| 6132 | if (OutlinedFn != nullptr) | ||||||
| 6133 | CGM.getTargetCodeGenInfo().setTargetAttributes(nullptr, OutlinedFn, CGM); | ||||||
| 6134 | } | ||||||
| 6135 | |||||||
| 6136 | /// Checks if the expression is constant or does not have non-trivial function | ||||||
| 6137 | /// calls. | ||||||
| 6138 | static bool isTrivial(ASTContext &Ctx, const Expr * E) { | ||||||
| 6139 | // We can skip constant expressions. | ||||||
| 6140 | // We can skip expressions with trivial calls or simple expressions. | ||||||
| 6141 | return (E->isEvaluatable(Ctx, Expr::SE_AllowUndefinedBehavior) || | ||||||
| 6142 | !E->hasNonTrivialCall(Ctx)) && | ||||||
| 6143 | !E->HasSideEffects(Ctx, /*IncludePossibleEffects=*/true); | ||||||
| 6144 | } | ||||||
| 6145 | |||||||
| 6146 | const Stmt *CGOpenMPRuntime::getSingleCompoundChild(ASTContext &Ctx, | ||||||
| 6147 | const Stmt *Body) { | ||||||
| 6148 | const Stmt *Child = Body->IgnoreContainers(); | ||||||
| 6149 | while (const auto *C = dyn_cast_or_null<CompoundStmt>(Child)) { | ||||||
| 6150 | Child = nullptr; | ||||||
| 6151 | for (const Stmt *S : C->body()) { | ||||||
| 6152 | if (const auto *E = dyn_cast<Expr>(S)) { | ||||||
| 6153 | if (isTrivial(Ctx, E)) | ||||||
| 6154 | continue; | ||||||
| 6155 | } | ||||||
| 6156 | // Some of the statements can be ignored. | ||||||
| 6157 | if (isa<AsmStmt>(S) || isa<NullStmt>(S) || isa<OMPFlushDirective>(S) || | ||||||
| 6158 | isa<OMPBarrierDirective>(S) || isa<OMPTaskyieldDirective>(S)) | ||||||
| 6159 | continue; | ||||||
| 6160 | // Analyze declarations. | ||||||
| 6161 | if (const auto *DS = dyn_cast<DeclStmt>(S)) { | ||||||
| 6162 | if (llvm::all_of(DS->decls(), [](const Decl *D) { | ||||||
| 6163 | if (isa<EmptyDecl>(D) || isa<DeclContext>(D) || | ||||||
| 6164 | isa<TypeDecl>(D) || isa<PragmaCommentDecl>(D) || | ||||||
| 6165 | isa<PragmaDetectMismatchDecl>(D) || isa<UsingDecl>(D) || | ||||||
| 6166 | isa<UsingDirectiveDecl>(D) || | ||||||
| 6167 | isa<OMPDeclareReductionDecl>(D) || | ||||||
| 6168 | isa<OMPThreadPrivateDecl>(D) || isa<OMPAllocateDecl>(D)) | ||||||
| 6169 | return true; | ||||||
| 6170 | const auto *VD = dyn_cast<VarDecl>(D); | ||||||
| 6171 | if (!VD) | ||||||
| 6172 | return false; | ||||||
| 6173 | return VD->hasGlobalStorage() || !VD->isUsed(); | ||||||
| 6174 | })) | ||||||
| 6175 | continue; | ||||||
| 6176 | } | ||||||
| 6177 | // Found multiple children - cannot get the one child only. | ||||||
| 6178 | if (Child) | ||||||
| 6179 | return nullptr; | ||||||
| 6180 | Child = S; | ||||||
| 6181 | } | ||||||
| 6182 | if (Child) | ||||||
| 6183 | Child = Child->IgnoreContainers(); | ||||||
| 6184 | } | ||||||
| 6185 | return Child; | ||||||
| 6186 | } | ||||||
| 6187 | |||||||
| 6188 | const Expr *CGOpenMPRuntime::getNumTeamsExprForTargetDirective( | ||||||
| 6189 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 6190 | int32_t &DefaultVal) { | ||||||
| 6191 | |||||||
| 6192 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||||
| 6193 | assert(isOpenMPTargetExecutionDirective(DirectiveKind) &&(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6194, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6194 | "Expected target-based executable directive.")(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6194, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6195 | switch (DirectiveKind) { | ||||||
| 6196 | case OMPD_target: { | ||||||
| 6197 | const auto *CS = D.getInnermostCapturedStmt(); | ||||||
| 6198 | const auto *Body = | ||||||
| 6199 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||||
| 6200 | const Stmt *ChildStmt = | ||||||
| 6201 | CGOpenMPRuntime::getSingleCompoundChild(CGF.getContext(), Body); | ||||||
| 6202 | if (const auto *NestedDir = | ||||||
| 6203 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||||
| 6204 | if (isOpenMPTeamsDirective(NestedDir->getDirectiveKind())) { | ||||||
| 6205 | if (NestedDir->hasClausesOfKind<OMPNumTeamsClause>()) { | ||||||
| 6206 | const Expr *NumTeams = | ||||||
| 6207 | NestedDir->getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | ||||||
| 6208 | if (NumTeams->isIntegerConstantExpr(CGF.getContext())) | ||||||
| 6209 | if (auto Constant = | ||||||
| 6210 | NumTeams->getIntegerConstantExpr(CGF.getContext())) | ||||||
| 6211 | DefaultVal = Constant->getExtValue(); | ||||||
| 6212 | return NumTeams; | ||||||
| 6213 | } | ||||||
| 6214 | DefaultVal = 0; | ||||||
| 6215 | return nullptr; | ||||||
| 6216 | } | ||||||
| 6217 | if (isOpenMPParallelDirective(NestedDir->getDirectiveKind()) || | ||||||
| 6218 | isOpenMPSimdDirective(NestedDir->getDirectiveKind())) { | ||||||
| 6219 | DefaultVal = 1; | ||||||
| 6220 | return nullptr; | ||||||
| 6221 | } | ||||||
| 6222 | DefaultVal = 1; | ||||||
| 6223 | return nullptr; | ||||||
| 6224 | } | ||||||
| 6225 | // A value of -1 is used to check if we need to emit no teams region | ||||||
| 6226 | DefaultVal = -1; | ||||||
| 6227 | return nullptr; | ||||||
| 6228 | } | ||||||
| 6229 | case OMPD_target_teams: | ||||||
| 6230 | case OMPD_target_teams_distribute: | ||||||
| 6231 | case OMPD_target_teams_distribute_simd: | ||||||
| 6232 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 6233 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||||
| 6234 | if (D.hasClausesOfKind<OMPNumTeamsClause>()) { | ||||||
| 6235 | const Expr *NumTeams = | ||||||
| 6236 | D.getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | ||||||
| 6237 | if (NumTeams->isIntegerConstantExpr(CGF.getContext())) | ||||||
| 6238 | if (auto Constant = NumTeams->getIntegerConstantExpr(CGF.getContext())) | ||||||
| 6239 | DefaultVal = Constant->getExtValue(); | ||||||
| 6240 | return NumTeams; | ||||||
| 6241 | } | ||||||
| 6242 | DefaultVal = 0; | ||||||
| 6243 | return nullptr; | ||||||
| 6244 | } | ||||||
| 6245 | case OMPD_target_parallel: | ||||||
| 6246 | case OMPD_target_parallel_for: | ||||||
| 6247 | case OMPD_target_parallel_for_simd: | ||||||
| 6248 | case OMPD_target_simd: | ||||||
| 6249 | DefaultVal = 1; | ||||||
| 6250 | return nullptr; | ||||||
| 6251 | case OMPD_parallel: | ||||||
| 6252 | case OMPD_for: | ||||||
| 6253 | case OMPD_parallel_for: | ||||||
| 6254 | case OMPD_parallel_master: | ||||||
| 6255 | case OMPD_parallel_sections: | ||||||
| 6256 | case OMPD_for_simd: | ||||||
| 6257 | case OMPD_parallel_for_simd: | ||||||
| 6258 | case OMPD_cancel: | ||||||
| 6259 | case OMPD_cancellation_point: | ||||||
| 6260 | case OMPD_ordered: | ||||||
| 6261 | case OMPD_threadprivate: | ||||||
| 6262 | case OMPD_allocate: | ||||||
| 6263 | case OMPD_task: | ||||||
| 6264 | case OMPD_simd: | ||||||
| 6265 | case OMPD_tile: | ||||||
| 6266 | case OMPD_unroll: | ||||||
| 6267 | case OMPD_sections: | ||||||
| 6268 | case OMPD_section: | ||||||
| 6269 | case OMPD_single: | ||||||
| 6270 | case OMPD_master: | ||||||
| 6271 | case OMPD_critical: | ||||||
| 6272 | case OMPD_taskyield: | ||||||
| 6273 | case OMPD_barrier: | ||||||
| 6274 | case OMPD_taskwait: | ||||||
| 6275 | case OMPD_taskgroup: | ||||||
| 6276 | case OMPD_atomic: | ||||||
| 6277 | case OMPD_flush: | ||||||
| 6278 | case OMPD_depobj: | ||||||
| 6279 | case OMPD_scan: | ||||||
| 6280 | case OMPD_teams: | ||||||
| 6281 | case OMPD_target_data: | ||||||
| 6282 | case OMPD_target_exit_data: | ||||||
| 6283 | case OMPD_target_enter_data: | ||||||
| 6284 | case OMPD_distribute: | ||||||
| 6285 | case OMPD_distribute_simd: | ||||||
| 6286 | case OMPD_distribute_parallel_for: | ||||||
| 6287 | case OMPD_distribute_parallel_for_simd: | ||||||
| 6288 | case OMPD_teams_distribute: | ||||||
| 6289 | case OMPD_teams_distribute_simd: | ||||||
| 6290 | case OMPD_teams_distribute_parallel_for: | ||||||
| 6291 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 6292 | case OMPD_target_update: | ||||||
| 6293 | case OMPD_declare_simd: | ||||||
| 6294 | case OMPD_declare_variant: | ||||||
| 6295 | case OMPD_begin_declare_variant: | ||||||
| 6296 | case OMPD_end_declare_variant: | ||||||
| 6297 | case OMPD_declare_target: | ||||||
| 6298 | case OMPD_end_declare_target: | ||||||
| 6299 | case OMPD_declare_reduction: | ||||||
| 6300 | case OMPD_declare_mapper: | ||||||
| 6301 | case OMPD_taskloop: | ||||||
| 6302 | case OMPD_taskloop_simd: | ||||||
| 6303 | case OMPD_master_taskloop: | ||||||
| 6304 | case OMPD_master_taskloop_simd: | ||||||
| 6305 | case OMPD_parallel_master_taskloop: | ||||||
| 6306 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 6307 | case OMPD_requires: | ||||||
| 6308 | case OMPD_metadirective: | ||||||
| 6309 | case OMPD_unknown: | ||||||
| 6310 | break; | ||||||
| 6311 | default: | ||||||
| 6312 | break; | ||||||
| 6313 | } | ||||||
| 6314 | llvm_unreachable("Unexpected directive kind.")::llvm::llvm_unreachable_internal("Unexpected directive kind." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6314); | ||||||
| 6315 | } | ||||||
| 6316 | |||||||
| 6317 | llvm::Value *CGOpenMPRuntime::emitNumTeamsForTargetDirective( | ||||||
| 6318 | CodeGenFunction &CGF, const OMPExecutableDirective &D) { | ||||||
| 6319 | assert(!CGF.getLangOpts().OpenMPIsDevice &&(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6321, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6320 | "Clauses associated with the teams directive expected to be emitted "(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6321, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6321 | "only for the host!")(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6321, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6322 | CGBuilderTy &Bld = CGF.Builder; | ||||||
| 6323 | int32_t DefaultNT = -1; | ||||||
| 6324 | const Expr *NumTeams = getNumTeamsExprForTargetDirective(CGF, D, DefaultNT); | ||||||
| 6325 | if (NumTeams != nullptr) { | ||||||
| 6326 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||||
| 6327 | |||||||
| 6328 | switch (DirectiveKind) { | ||||||
| 6329 | case OMPD_target: { | ||||||
| 6330 | const auto *CS = D.getInnermostCapturedStmt(); | ||||||
| 6331 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||||
| 6332 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 6333 | llvm::Value *NumTeamsVal = CGF.EmitScalarExpr(NumTeams, | ||||||
| 6334 | /*IgnoreResultAssign*/ true); | ||||||
| 6335 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | ||||||
| 6336 | /*isSigned=*/true); | ||||||
| 6337 | } | ||||||
| 6338 | case OMPD_target_teams: | ||||||
| 6339 | case OMPD_target_teams_distribute: | ||||||
| 6340 | case OMPD_target_teams_distribute_simd: | ||||||
| 6341 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 6342 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||||
| 6343 | CodeGenFunction::RunCleanupsScope NumTeamsScope(CGF); | ||||||
| 6344 | llvm::Value *NumTeamsVal = CGF.EmitScalarExpr(NumTeams, | ||||||
| 6345 | /*IgnoreResultAssign*/ true); | ||||||
| 6346 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | ||||||
| 6347 | /*isSigned=*/true); | ||||||
| 6348 | } | ||||||
| 6349 | default: | ||||||
| 6350 | break; | ||||||
| 6351 | } | ||||||
| 6352 | } | ||||||
| 6353 | |||||||
| 6354 | return llvm::ConstantInt::get(CGF.Int32Ty, DefaultNT); | ||||||
| 6355 | } | ||||||
| 6356 | |||||||
| 6357 | static llvm::Value *getNumThreads(CodeGenFunction &CGF, const CapturedStmt *CS, | ||||||
| 6358 | llvm::Value *DefaultThreadLimitVal) { | ||||||
| 6359 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||||
| 6360 | CGF.getContext(), CS->getCapturedStmt()); | ||||||
| 6361 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||||
| 6362 | if (isOpenMPParallelDirective(Dir->getDirectiveKind())) { | ||||||
| 6363 | llvm::Value *NumThreads = nullptr; | ||||||
| 6364 | llvm::Value *CondVal = nullptr; | ||||||
| 6365 | // Handle if clause. If if clause present, the number of threads is | ||||||
| 6366 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | ||||||
| 6367 | if (Dir->hasClausesOfKind<OMPIfClause>()) { | ||||||
| 6368 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||||
| 6369 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 6370 | const OMPIfClause *IfClause = nullptr; | ||||||
| 6371 | for (const auto *C : Dir->getClausesOfKind<OMPIfClause>()) { | ||||||
| 6372 | if (C->getNameModifier() == OMPD_unknown || | ||||||
| 6373 | C->getNameModifier() == OMPD_parallel) { | ||||||
| 6374 | IfClause = C; | ||||||
| 6375 | break; | ||||||
| 6376 | } | ||||||
| 6377 | } | ||||||
| 6378 | if (IfClause) { | ||||||
| 6379 | const Expr *Cond = IfClause->getCondition(); | ||||||
| 6380 | bool Result; | ||||||
| 6381 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | ||||||
| 6382 | if (!Result) | ||||||
| 6383 | return CGF.Builder.getInt32(1); | ||||||
| 6384 | } else { | ||||||
| 6385 | CodeGenFunction::LexicalScope Scope(CGF, Cond->getSourceRange()); | ||||||
| 6386 | if (const auto *PreInit = | ||||||
| 6387 | cast_or_null<DeclStmt>(IfClause->getPreInitStmt())) { | ||||||
| 6388 | for (const auto *I : PreInit->decls()) { | ||||||
| 6389 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||
| 6390 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||||
| 6391 | } else { | ||||||
| 6392 | CodeGenFunction::AutoVarEmission Emission = | ||||||
| 6393 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||||
| 6394 | CGF.EmitAutoVarCleanups(Emission); | ||||||
| 6395 | } | ||||||
| 6396 | } | ||||||
| 6397 | } | ||||||
| 6398 | CondVal = CGF.EvaluateExprAsBool(Cond); | ||||||
| 6399 | } | ||||||
| 6400 | } | ||||||
| 6401 | } | ||||||
| 6402 | // Check the value of num_threads clause iff if clause was not specified | ||||||
| 6403 | // or is not evaluated to false. | ||||||
| 6404 | if (Dir->hasClausesOfKind<OMPNumThreadsClause>()) { | ||||||
| 6405 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||||
| 6406 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 6407 | const auto *NumThreadsClause = | ||||||
| 6408 | Dir->getSingleClause<OMPNumThreadsClause>(); | ||||||
| 6409 | CodeGenFunction::LexicalScope Scope( | ||||||
| 6410 | CGF, NumThreadsClause->getNumThreads()->getSourceRange()); | ||||||
| 6411 | if (const auto *PreInit = | ||||||
| 6412 | cast_or_null<DeclStmt>(NumThreadsClause->getPreInitStmt())) { | ||||||
| 6413 | for (const auto *I : PreInit->decls()) { | ||||||
| 6414 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||
| 6415 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||||
| 6416 | } else { | ||||||
| 6417 | CodeGenFunction::AutoVarEmission Emission = | ||||||
| 6418 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||||
| 6419 | CGF.EmitAutoVarCleanups(Emission); | ||||||
| 6420 | } | ||||||
| 6421 | } | ||||||
| 6422 | } | ||||||
| 6423 | NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads()); | ||||||
| 6424 | NumThreads = CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, | ||||||
| 6425 | /*isSigned=*/false); | ||||||
| 6426 | if (DefaultThreadLimitVal) | ||||||
| 6427 | NumThreads = CGF.Builder.CreateSelect( | ||||||
| 6428 | CGF.Builder.CreateICmpULT(DefaultThreadLimitVal, NumThreads), | ||||||
| 6429 | DefaultThreadLimitVal, NumThreads); | ||||||
| 6430 | } else { | ||||||
| 6431 | NumThreads = DefaultThreadLimitVal ? DefaultThreadLimitVal | ||||||
| 6432 | : CGF.Builder.getInt32(0); | ||||||
| 6433 | } | ||||||
| 6434 | // Process condition of the if clause. | ||||||
| 6435 | if (CondVal) { | ||||||
| 6436 | NumThreads = CGF.Builder.CreateSelect(CondVal, NumThreads, | ||||||
| 6437 | CGF.Builder.getInt32(1)); | ||||||
| 6438 | } | ||||||
| 6439 | return NumThreads; | ||||||
| 6440 | } | ||||||
| 6441 | if (isOpenMPSimdDirective(Dir->getDirectiveKind())) | ||||||
| 6442 | return CGF.Builder.getInt32(1); | ||||||
| 6443 | } | ||||||
| 6444 | return DefaultThreadLimitVal; | ||||||
| 6445 | } | ||||||
| 6446 | |||||||
| 6447 | const Expr *CGOpenMPRuntime::getNumThreadsExprForTargetDirective( | ||||||
| 6448 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 6449 | int32_t &DefaultVal) { | ||||||
| 6450 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||||
| 6451 | assert(isOpenMPTargetExecutionDirective(DirectiveKind) &&(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6452, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6452 | "Expected target-based executable directive.")(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6452, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6453 | |||||||
| 6454 | switch (DirectiveKind) { | ||||||
| 6455 | case OMPD_target: | ||||||
| 6456 | // Teams have no clause thread_limit | ||||||
| 6457 | return nullptr; | ||||||
| 6458 | case OMPD_target_teams: | ||||||
| 6459 | case OMPD_target_teams_distribute: | ||||||
| 6460 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||||
| 6461 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6462 | const Expr *ThreadLimit = ThreadLimitClause->getThreadLimit(); | ||||||
| 6463 | if (ThreadLimit->isIntegerConstantExpr(CGF.getContext())) | ||||||
| 6464 | if (auto Constant = | ||||||
| 6465 | ThreadLimit->getIntegerConstantExpr(CGF.getContext())) | ||||||
| 6466 | DefaultVal = Constant->getExtValue(); | ||||||
| 6467 | return ThreadLimit; | ||||||
| 6468 | } | ||||||
| 6469 | return nullptr; | ||||||
| 6470 | case OMPD_target_parallel: | ||||||
| 6471 | case OMPD_target_parallel_for: | ||||||
| 6472 | case OMPD_target_parallel_for_simd: | ||||||
| 6473 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 6474 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||||
| 6475 | Expr *ThreadLimit = nullptr; | ||||||
| 6476 | Expr *NumThreads = nullptr; | ||||||
| 6477 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||||
| 6478 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6479 | ThreadLimit = ThreadLimitClause->getThreadLimit(); | ||||||
| 6480 | if (ThreadLimit->isIntegerConstantExpr(CGF.getContext())) | ||||||
| 6481 | if (auto Constant = | ||||||
| 6482 | ThreadLimit->getIntegerConstantExpr(CGF.getContext())) | ||||||
| 6483 | DefaultVal = Constant->getExtValue(); | ||||||
| 6484 | } | ||||||
| 6485 | if (D.hasClausesOfKind<OMPNumThreadsClause>()) { | ||||||
| 6486 | const auto *NumThreadsClause = D.getSingleClause<OMPNumThreadsClause>(); | ||||||
| 6487 | NumThreads = NumThreadsClause->getNumThreads(); | ||||||
| 6488 | if (NumThreads->isIntegerConstantExpr(CGF.getContext())) { | ||||||
| 6489 | if (auto Constant = | ||||||
| 6490 | NumThreads->getIntegerConstantExpr(CGF.getContext())) { | ||||||
| 6491 | if (Constant->getExtValue() < DefaultVal) { | ||||||
| 6492 | DefaultVal = Constant->getExtValue(); | ||||||
| 6493 | ThreadLimit = NumThreads; | ||||||
| 6494 | } | ||||||
| 6495 | } | ||||||
| 6496 | } | ||||||
| 6497 | } | ||||||
| 6498 | return ThreadLimit; | ||||||
| 6499 | } | ||||||
| 6500 | case OMPD_target_teams_distribute_simd: | ||||||
| 6501 | case OMPD_target_simd: | ||||||
| 6502 | DefaultVal = 1; | ||||||
| 6503 | return nullptr; | ||||||
| 6504 | case OMPD_parallel: | ||||||
| 6505 | case OMPD_for: | ||||||
| 6506 | case OMPD_parallel_for: | ||||||
| 6507 | case OMPD_parallel_master: | ||||||
| 6508 | case OMPD_parallel_sections: | ||||||
| 6509 | case OMPD_for_simd: | ||||||
| 6510 | case OMPD_parallel_for_simd: | ||||||
| 6511 | case OMPD_cancel: | ||||||
| 6512 | case OMPD_cancellation_point: | ||||||
| 6513 | case OMPD_ordered: | ||||||
| 6514 | case OMPD_threadprivate: | ||||||
| 6515 | case OMPD_allocate: | ||||||
| 6516 | case OMPD_task: | ||||||
| 6517 | case OMPD_simd: | ||||||
| 6518 | case OMPD_tile: | ||||||
| 6519 | case OMPD_unroll: | ||||||
| 6520 | case OMPD_sections: | ||||||
| 6521 | case OMPD_section: | ||||||
| 6522 | case OMPD_single: | ||||||
| 6523 | case OMPD_master: | ||||||
| 6524 | case OMPD_critical: | ||||||
| 6525 | case OMPD_taskyield: | ||||||
| 6526 | case OMPD_barrier: | ||||||
| 6527 | case OMPD_taskwait: | ||||||
| 6528 | case OMPD_taskgroup: | ||||||
| 6529 | case OMPD_atomic: | ||||||
| 6530 | case OMPD_flush: | ||||||
| 6531 | case OMPD_depobj: | ||||||
| 6532 | case OMPD_scan: | ||||||
| 6533 | case OMPD_teams: | ||||||
| 6534 | case OMPD_target_data: | ||||||
| 6535 | case OMPD_target_exit_data: | ||||||
| 6536 | case OMPD_target_enter_data: | ||||||
| 6537 | case OMPD_distribute: | ||||||
| 6538 | case OMPD_distribute_simd: | ||||||
| 6539 | case OMPD_distribute_parallel_for: | ||||||
| 6540 | case OMPD_distribute_parallel_for_simd: | ||||||
| 6541 | case OMPD_teams_distribute: | ||||||
| 6542 | case OMPD_teams_distribute_simd: | ||||||
| 6543 | case OMPD_teams_distribute_parallel_for: | ||||||
| 6544 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 6545 | case OMPD_target_update: | ||||||
| 6546 | case OMPD_declare_simd: | ||||||
| 6547 | case OMPD_declare_variant: | ||||||
| 6548 | case OMPD_begin_declare_variant: | ||||||
| 6549 | case OMPD_end_declare_variant: | ||||||
| 6550 | case OMPD_declare_target: | ||||||
| 6551 | case OMPD_end_declare_target: | ||||||
| 6552 | case OMPD_declare_reduction: | ||||||
| 6553 | case OMPD_declare_mapper: | ||||||
| 6554 | case OMPD_taskloop: | ||||||
| 6555 | case OMPD_taskloop_simd: | ||||||
| 6556 | case OMPD_master_taskloop: | ||||||
| 6557 | case OMPD_master_taskloop_simd: | ||||||
| 6558 | case OMPD_parallel_master_taskloop: | ||||||
| 6559 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 6560 | case OMPD_requires: | ||||||
| 6561 | case OMPD_unknown: | ||||||
| 6562 | break; | ||||||
| 6563 | default: | ||||||
| 6564 | break; | ||||||
| 6565 | } | ||||||
| 6566 | llvm_unreachable("Unsupported directive kind.")::llvm::llvm_unreachable_internal("Unsupported directive kind." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6566); | ||||||
| 6567 | } | ||||||
| 6568 | |||||||
| 6569 | llvm::Value *CGOpenMPRuntime::emitNumThreadsForTargetDirective( | ||||||
| 6570 | CodeGenFunction &CGF, const OMPExecutableDirective &D) { | ||||||
| 6571 | assert(!CGF.getLangOpts().OpenMPIsDevice &&(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6573, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6572 | "Clauses associated with the teams directive expected to be emitted "(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6573, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6573 | "only for the host!")(static_cast <bool> (!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? void (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6573, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6574 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||||
| 6575 | assert(isOpenMPTargetExecutionDirective(DirectiveKind) &&(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6576, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 6576 | "Expected target-based executable directive.")(static_cast <bool> (isOpenMPTargetExecutionDirective(DirectiveKind ) && "Expected target-based executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6576, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6577 | CGBuilderTy &Bld = CGF.Builder; | ||||||
| 6578 | llvm::Value *ThreadLimitVal = nullptr; | ||||||
| 6579 | llvm::Value *NumThreadsVal = nullptr; | ||||||
| 6580 | switch (DirectiveKind) { | ||||||
| 6581 | case OMPD_target: { | ||||||
| 6582 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | ||||||
| 6583 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||||
| 6584 | return NumThreads; | ||||||
| 6585 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||||
| 6586 | CGF.getContext(), CS->getCapturedStmt()); | ||||||
| 6587 | // TODO: The standard is not clear how to resolve two thread limit clauses, | ||||||
| 6588 | // let's pick the teams one if it's present, otherwise the target one. | ||||||
| 6589 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6590 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||||
| 6591 | if (const auto *TLC = Dir->getSingleClause<OMPThreadLimitClause>()) { | ||||||
| 6592 | ThreadLimitClause = TLC; | ||||||
| 6593 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||||
| 6594 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 6595 | CodeGenFunction::LexicalScope Scope( | ||||||
| 6596 | CGF, ThreadLimitClause->getThreadLimit()->getSourceRange()); | ||||||
| 6597 | if (const auto *PreInit = | ||||||
| 6598 | cast_or_null<DeclStmt>(ThreadLimitClause->getPreInitStmt())) { | ||||||
| 6599 | for (const auto *I : PreInit->decls()) { | ||||||
| 6600 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||
| 6601 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||||
| 6602 | } else { | ||||||
| 6603 | CodeGenFunction::AutoVarEmission Emission = | ||||||
| 6604 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||||
| 6605 | CGF.EmitAutoVarCleanups(Emission); | ||||||
| 6606 | } | ||||||
| 6607 | } | ||||||
| 6608 | } | ||||||
| 6609 | } | ||||||
| 6610 | } | ||||||
| 6611 | if (ThreadLimitClause) { | ||||||
| 6612 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||||
| 6613 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||||
| 6614 | ThreadLimitVal = | ||||||
| 6615 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||||
| 6616 | } | ||||||
| 6617 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||||
| 6618 | if (isOpenMPTeamsDirective(Dir->getDirectiveKind()) && | ||||||
| 6619 | !isOpenMPDistributeDirective(Dir->getDirectiveKind())) { | ||||||
| 6620 | CS = Dir->getInnermostCapturedStmt(); | ||||||
| 6621 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||||
| 6622 | CGF.getContext(), CS->getCapturedStmt()); | ||||||
| 6623 | Dir = dyn_cast_or_null<OMPExecutableDirective>(Child); | ||||||
| 6624 | } | ||||||
| 6625 | if (Dir && isOpenMPDistributeDirective(Dir->getDirectiveKind()) && | ||||||
| 6626 | !isOpenMPSimdDirective(Dir->getDirectiveKind())) { | ||||||
| 6627 | CS = Dir->getInnermostCapturedStmt(); | ||||||
| 6628 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||||
| 6629 | return NumThreads; | ||||||
| 6630 | } | ||||||
| 6631 | if (Dir && isOpenMPSimdDirective(Dir->getDirectiveKind())) | ||||||
| 6632 | return Bld.getInt32(1); | ||||||
| 6633 | } | ||||||
| 6634 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | ||||||
| 6635 | } | ||||||
| 6636 | case OMPD_target_teams: { | ||||||
| 6637 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||||
| 6638 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||||
| 6639 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6640 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||||
| 6641 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||||
| 6642 | ThreadLimitVal = | ||||||
| 6643 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||||
| 6644 | } | ||||||
| 6645 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | ||||||
| 6646 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||||
| 6647 | return NumThreads; | ||||||
| 6648 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||||
| 6649 | CGF.getContext(), CS->getCapturedStmt()); | ||||||
| 6650 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||||
| 6651 | if (Dir->getDirectiveKind() == OMPD_distribute) { | ||||||
| 6652 | CS = Dir->getInnermostCapturedStmt(); | ||||||
| 6653 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||||
| 6654 | return NumThreads; | ||||||
| 6655 | } | ||||||
| 6656 | } | ||||||
| 6657 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | ||||||
| 6658 | } | ||||||
| 6659 | case OMPD_target_teams_distribute: | ||||||
| 6660 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||||
| 6661 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||||
| 6662 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6663 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||||
| 6664 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||||
| 6665 | ThreadLimitVal = | ||||||
| 6666 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||||
| 6667 | } | ||||||
| 6668 | if (llvm::Value *NumThreads = | ||||||
| 6669 | getNumThreads(CGF, D.getInnermostCapturedStmt(), ThreadLimitVal)) | ||||||
| 6670 | return NumThreads; | ||||||
| 6671 | return Bld.getInt32(0); | ||||||
| 6672 | case OMPD_target_parallel: | ||||||
| 6673 | case OMPD_target_parallel_for: | ||||||
| 6674 | case OMPD_target_parallel_for_simd: | ||||||
| 6675 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 6676 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||||
| 6677 | llvm::Value *CondVal = nullptr; | ||||||
| 6678 | // Handle if clause. If if clause present, the number of threads is | ||||||
| 6679 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | ||||||
| 6680 | if (D.hasClausesOfKind<OMPIfClause>()) { | ||||||
| 6681 | const OMPIfClause *IfClause = nullptr; | ||||||
| 6682 | for (const auto *C : D.getClausesOfKind<OMPIfClause>()) { | ||||||
| 6683 | if (C->getNameModifier() == OMPD_unknown || | ||||||
| 6684 | C->getNameModifier() == OMPD_parallel) { | ||||||
| 6685 | IfClause = C; | ||||||
| 6686 | break; | ||||||
| 6687 | } | ||||||
| 6688 | } | ||||||
| 6689 | if (IfClause) { | ||||||
| 6690 | const Expr *Cond = IfClause->getCondition(); | ||||||
| 6691 | bool Result; | ||||||
| 6692 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | ||||||
| 6693 | if (!Result) | ||||||
| 6694 | return Bld.getInt32(1); | ||||||
| 6695 | } else { | ||||||
| 6696 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||||
| 6697 | CondVal = CGF.EvaluateExprAsBool(Cond); | ||||||
| 6698 | } | ||||||
| 6699 | } | ||||||
| 6700 | } | ||||||
| 6701 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||||
| 6702 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||||
| 6703 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||||
| 6704 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||||
| 6705 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||||
| 6706 | ThreadLimitVal = | ||||||
| 6707 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||||
| 6708 | } | ||||||
| 6709 | if (D.hasClausesOfKind<OMPNumThreadsClause>()) { | ||||||
| 6710 | CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF); | ||||||
| 6711 | const auto *NumThreadsClause = D.getSingleClause<OMPNumThreadsClause>(); | ||||||
| 6712 | llvm::Value *NumThreads = CGF.EmitScalarExpr( | ||||||
| 6713 | NumThreadsClause->getNumThreads(), /*IgnoreResultAssign=*/true); | ||||||
| 6714 | NumThreadsVal = | ||||||
| 6715 | Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned=*/false); | ||||||
| 6716 | ThreadLimitVal = ThreadLimitVal | ||||||
| 6717 | ? Bld.CreateSelect(Bld.CreateICmpULT(NumThreadsVal, | ||||||
| 6718 | ThreadLimitVal), | ||||||
| 6719 | NumThreadsVal, ThreadLimitVal) | ||||||
| 6720 | : NumThreadsVal; | ||||||
| 6721 | } | ||||||
| 6722 | if (!ThreadLimitVal) | ||||||
| 6723 | ThreadLimitVal = Bld.getInt32(0); | ||||||
| 6724 | if (CondVal) | ||||||
| 6725 | return Bld.CreateSelect(CondVal, ThreadLimitVal, Bld.getInt32(1)); | ||||||
| 6726 | return ThreadLimitVal; | ||||||
| 6727 | } | ||||||
| 6728 | case OMPD_target_teams_distribute_simd: | ||||||
| 6729 | case OMPD_target_simd: | ||||||
| 6730 | return Bld.getInt32(1); | ||||||
| 6731 | case OMPD_parallel: | ||||||
| 6732 | case OMPD_for: | ||||||
| 6733 | case OMPD_parallel_for: | ||||||
| 6734 | case OMPD_parallel_master: | ||||||
| 6735 | case OMPD_parallel_sections: | ||||||
| 6736 | case OMPD_for_simd: | ||||||
| 6737 | case OMPD_parallel_for_simd: | ||||||
| 6738 | case OMPD_cancel: | ||||||
| 6739 | case OMPD_cancellation_point: | ||||||
| 6740 | case OMPD_ordered: | ||||||
| 6741 | case OMPD_threadprivate: | ||||||
| 6742 | case OMPD_allocate: | ||||||
| 6743 | case OMPD_task: | ||||||
| 6744 | case OMPD_simd: | ||||||
| 6745 | case OMPD_tile: | ||||||
| 6746 | case OMPD_unroll: | ||||||
| 6747 | case OMPD_sections: | ||||||
| 6748 | case OMPD_section: | ||||||
| 6749 | case OMPD_single: | ||||||
| 6750 | case OMPD_master: | ||||||
| 6751 | case OMPD_critical: | ||||||
| 6752 | case OMPD_taskyield: | ||||||
| 6753 | case OMPD_barrier: | ||||||
| 6754 | case OMPD_taskwait: | ||||||
| 6755 | case OMPD_taskgroup: | ||||||
| 6756 | case OMPD_atomic: | ||||||
| 6757 | case OMPD_flush: | ||||||
| 6758 | case OMPD_depobj: | ||||||
| 6759 | case OMPD_scan: | ||||||
| 6760 | case OMPD_teams: | ||||||
| 6761 | case OMPD_target_data: | ||||||
| 6762 | case OMPD_target_exit_data: | ||||||
| 6763 | case OMPD_target_enter_data: | ||||||
| 6764 | case OMPD_distribute: | ||||||
| 6765 | case OMPD_distribute_simd: | ||||||
| 6766 | case OMPD_distribute_parallel_for: | ||||||
| 6767 | case OMPD_distribute_parallel_for_simd: | ||||||
| 6768 | case OMPD_teams_distribute: | ||||||
| 6769 | case OMPD_teams_distribute_simd: | ||||||
| 6770 | case OMPD_teams_distribute_parallel_for: | ||||||
| 6771 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 6772 | case OMPD_target_update: | ||||||
| 6773 | case OMPD_declare_simd: | ||||||
| 6774 | case OMPD_declare_variant: | ||||||
| 6775 | case OMPD_begin_declare_variant: | ||||||
| 6776 | case OMPD_end_declare_variant: | ||||||
| 6777 | case OMPD_declare_target: | ||||||
| 6778 | case OMPD_end_declare_target: | ||||||
| 6779 | case OMPD_declare_reduction: | ||||||
| 6780 | case OMPD_declare_mapper: | ||||||
| 6781 | case OMPD_taskloop: | ||||||
| 6782 | case OMPD_taskloop_simd: | ||||||
| 6783 | case OMPD_master_taskloop: | ||||||
| 6784 | case OMPD_master_taskloop_simd: | ||||||
| 6785 | case OMPD_parallel_master_taskloop: | ||||||
| 6786 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 6787 | case OMPD_requires: | ||||||
| 6788 | case OMPD_metadirective: | ||||||
| 6789 | case OMPD_unknown: | ||||||
| 6790 | break; | ||||||
| 6791 | default: | ||||||
| 6792 | break; | ||||||
| 6793 | } | ||||||
| 6794 | llvm_unreachable("Unsupported directive kind.")::llvm::llvm_unreachable_internal("Unsupported directive kind." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6794); | ||||||
| 6795 | } | ||||||
| 6796 | |||||||
| 6797 | namespace { | ||||||
| 6798 | LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE()using ::llvm::BitmaskEnumDetail::operator~; using ::llvm::BitmaskEnumDetail ::operator|; using ::llvm::BitmaskEnumDetail::operator&; using ::llvm::BitmaskEnumDetail::operator^; using ::llvm::BitmaskEnumDetail ::operator|=; using ::llvm::BitmaskEnumDetail::operator&= ; using ::llvm::BitmaskEnumDetail::operator^=; | ||||||
| 6799 | |||||||
| 6800 | // Utility to handle information from clauses associated with a given | ||||||
| 6801 | // construct that use mappable expressions (e.g. 'map' clause, 'to' clause). | ||||||
| 6802 | // It provides a convenient interface to obtain the information and generate | ||||||
| 6803 | // code for that information. | ||||||
| 6804 | class MappableExprsHandler { | ||||||
| 6805 | public: | ||||||
| 6806 | /// Get the offset of the OMP_MAP_MEMBER_OF field. | ||||||
| 6807 | static unsigned getFlagMemberOffset() { | ||||||
| 6808 | unsigned Offset = 0; | ||||||
| 6809 | for (uint64_t Remain = | ||||||
| 6810 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 6811 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF); | ||||||
| 6812 | !(Remain & 1); Remain = Remain >> 1) | ||||||
| 6813 | Offset++; | ||||||
| 6814 | return Offset; | ||||||
| 6815 | } | ||||||
| 6816 | |||||||
| 6817 | /// Class that holds debugging information for a data mapping to be passed to | ||||||
| 6818 | /// the runtime library. | ||||||
| 6819 | class MappingExprInfo { | ||||||
| 6820 | /// The variable declaration used for the data mapping. | ||||||
| 6821 | const ValueDecl *MapDecl = nullptr; | ||||||
| 6822 | /// The original expression used in the map clause, or null if there is | ||||||
| 6823 | /// none. | ||||||
| 6824 | const Expr *MapExpr = nullptr; | ||||||
| 6825 | |||||||
| 6826 | public: | ||||||
| 6827 | MappingExprInfo(const ValueDecl *MapDecl, const Expr *MapExpr = nullptr) | ||||||
| 6828 | : MapDecl(MapDecl), MapExpr(MapExpr) {} | ||||||
| 6829 | |||||||
| 6830 | const ValueDecl *getMapDecl() const { return MapDecl; } | ||||||
| 6831 | const Expr *getMapExpr() const { return MapExpr; } | ||||||
| 6832 | }; | ||||||
| 6833 | |||||||
| 6834 | using MapBaseValuesArrayTy = llvm::OpenMPIRBuilder::MapValuesArrayTy; | ||||||
| 6835 | using MapValuesArrayTy = llvm::OpenMPIRBuilder::MapValuesArrayTy; | ||||||
| 6836 | using MapFlagsArrayTy = llvm::OpenMPIRBuilder::MapFlagsArrayTy; | ||||||
| 6837 | using MapDimArrayTy = llvm::OpenMPIRBuilder::MapDimArrayTy; | ||||||
| 6838 | using MapNonContiguousArrayTy = | ||||||
| 6839 | llvm::OpenMPIRBuilder::MapNonContiguousArrayTy; | ||||||
| 6840 | using MapExprsArrayTy = SmallVector<MappingExprInfo, 4>; | ||||||
| 6841 | using MapValueDeclsArrayTy = SmallVector<const ValueDecl *, 4>; | ||||||
| 6842 | |||||||
| 6843 | /// This structure contains combined information generated for mappable | ||||||
| 6844 | /// clauses, including base pointers, pointers, sizes, map types, user-defined | ||||||
| 6845 | /// mappers, and non-contiguous information. | ||||||
| 6846 | struct MapCombinedInfoTy : llvm::OpenMPIRBuilder::MapInfosTy { | ||||||
| 6847 | MapExprsArrayTy Exprs; | ||||||
| 6848 | MapValueDeclsArrayTy Mappers; | ||||||
| 6849 | MapValueDeclsArrayTy DevicePtrDecls; | ||||||
| 6850 | |||||||
| 6851 | /// Append arrays in \a CurInfo. | ||||||
| 6852 | void append(MapCombinedInfoTy &CurInfo) { | ||||||
| 6853 | Exprs.append(CurInfo.Exprs.begin(), CurInfo.Exprs.end()); | ||||||
| 6854 | DevicePtrDecls.append(CurInfo.DevicePtrDecls.begin(), | ||||||
| 6855 | CurInfo.DevicePtrDecls.end()); | ||||||
| 6856 | Mappers.append(CurInfo.Mappers.begin(), CurInfo.Mappers.end()); | ||||||
| 6857 | llvm::OpenMPIRBuilder::MapInfosTy::append(CurInfo); | ||||||
| 6858 | } | ||||||
| 6859 | }; | ||||||
| 6860 | |||||||
| 6861 | /// Map between a struct and the its lowest & highest elements which have been | ||||||
| 6862 | /// mapped. | ||||||
| 6863 | /// [ValueDecl *] --> {LE(FieldIndex, Pointer), | ||||||
| 6864 | /// HE(FieldIndex, Pointer)} | ||||||
| 6865 | struct StructRangeInfoTy { | ||||||
| 6866 | MapCombinedInfoTy PreliminaryMapData; | ||||||
| 6867 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> LowestElem = { | ||||||
| 6868 | 0, Address::invalid()}; | ||||||
| 6869 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> HighestElem = { | ||||||
| 6870 | 0, Address::invalid()}; | ||||||
| 6871 | Address Base = Address::invalid(); | ||||||
| 6872 | Address LB = Address::invalid(); | ||||||
| 6873 | bool IsArraySection = false; | ||||||
| 6874 | bool HasCompleteRecord = false; | ||||||
| 6875 | }; | ||||||
| 6876 | |||||||
| 6877 | private: | ||||||
| 6878 | /// Kind that defines how a device pointer has to be returned. | ||||||
| 6879 | struct MapInfo { | ||||||
| 6880 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||||
| 6881 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown; | ||||||
| 6882 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||||
| 6883 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers; | ||||||
| 6884 | bool ReturnDevicePointer = false; | ||||||
| 6885 | bool IsImplicit = false; | ||||||
| 6886 | const ValueDecl *Mapper = nullptr; | ||||||
| 6887 | const Expr *VarRef = nullptr; | ||||||
| 6888 | bool ForDeviceAddr = false; | ||||||
| 6889 | |||||||
| 6890 | MapInfo() = default; | ||||||
| 6891 | MapInfo( | ||||||
| 6892 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||||
| 6893 | OpenMPMapClauseKind MapType, | ||||||
| 6894 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||||
| 6895 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||
| 6896 | bool ReturnDevicePointer, bool IsImplicit, | ||||||
| 6897 | const ValueDecl *Mapper = nullptr, const Expr *VarRef = nullptr, | ||||||
| 6898 | bool ForDeviceAddr = false) | ||||||
| 6899 | : Components(Components), MapType(MapType), MapModifiers(MapModifiers), | ||||||
| 6900 | MotionModifiers(MotionModifiers), | ||||||
| 6901 | ReturnDevicePointer(ReturnDevicePointer), IsImplicit(IsImplicit), | ||||||
| 6902 | Mapper(Mapper), VarRef(VarRef), ForDeviceAddr(ForDeviceAddr) {} | ||||||
| 6903 | }; | ||||||
| 6904 | |||||||
| 6905 | /// If use_device_ptr or use_device_addr is used on a decl which is a struct | ||||||
| 6906 | /// member and there is no map information about it, then emission of that | ||||||
| 6907 | /// entry is deferred until the whole struct has been processed. | ||||||
| 6908 | struct DeferredDevicePtrEntryTy { | ||||||
| 6909 | const Expr *IE = nullptr; | ||||||
| 6910 | const ValueDecl *VD = nullptr; | ||||||
| 6911 | bool ForDeviceAddr = false; | ||||||
| 6912 | |||||||
| 6913 | DeferredDevicePtrEntryTy(const Expr *IE, const ValueDecl *VD, | ||||||
| 6914 | bool ForDeviceAddr) | ||||||
| 6915 | : IE(IE), VD(VD), ForDeviceAddr(ForDeviceAddr) {} | ||||||
| 6916 | }; | ||||||
| 6917 | |||||||
| 6918 | /// The target directive from where the mappable clauses were extracted. It | ||||||
| 6919 | /// is either a executable directive or a user-defined mapper directive. | ||||||
| 6920 | llvm::PointerUnion<const OMPExecutableDirective *, | ||||||
| 6921 | const OMPDeclareMapperDecl *> | ||||||
| 6922 | CurDir; | ||||||
| 6923 | |||||||
| 6924 | /// Function the directive is being generated for. | ||||||
| 6925 | CodeGenFunction &CGF; | ||||||
| 6926 | |||||||
| 6927 | /// Set of all first private variables in the current directive. | ||||||
| 6928 | /// bool data is set to true if the variable is implicitly marked as | ||||||
| 6929 | /// firstprivate, false otherwise. | ||||||
| 6930 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, bool> FirstPrivateDecls; | ||||||
| 6931 | |||||||
| 6932 | /// Map between device pointer declarations and their expression components. | ||||||
| 6933 | /// The key value for declarations in 'this' is null. | ||||||
| 6934 | llvm::DenseMap< | ||||||
| 6935 | const ValueDecl *, | ||||||
| 6936 | SmallVector<OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>> | ||||||
| 6937 | DevPointersMap; | ||||||
| 6938 | |||||||
| 6939 | /// Map between device addr declarations and their expression components. | ||||||
| 6940 | /// The key value for declarations in 'this' is null. | ||||||
| 6941 | llvm::DenseMap< | ||||||
| 6942 | const ValueDecl *, | ||||||
| 6943 | SmallVector<OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>> | ||||||
| 6944 | HasDevAddrsMap; | ||||||
| 6945 | |||||||
| 6946 | /// Map between lambda declarations and their map type. | ||||||
| 6947 | llvm::DenseMap<const ValueDecl *, const OMPMapClause *> LambdasMap; | ||||||
| 6948 | |||||||
| 6949 | llvm::Value *getExprTypeSize(const Expr *E) const { | ||||||
| 6950 | QualType ExprTy = E->getType().getCanonicalType(); | ||||||
| 6951 | |||||||
| 6952 | // Calculate the size for array shaping expression. | ||||||
| 6953 | if (const auto *OAE = dyn_cast<OMPArrayShapingExpr>(E)) { | ||||||
| 6954 | llvm::Value *Size = | ||||||
| 6955 | CGF.getTypeSize(OAE->getBase()->getType()->getPointeeType()); | ||||||
| 6956 | for (const Expr *SE : OAE->getDimensions()) { | ||||||
| 6957 | llvm::Value *Sz = CGF.EmitScalarExpr(SE); | ||||||
| 6958 | Sz = CGF.EmitScalarConversion(Sz, SE->getType(), | ||||||
| 6959 | CGF.getContext().getSizeType(), | ||||||
| 6960 | SE->getExprLoc()); | ||||||
| 6961 | Size = CGF.Builder.CreateNUWMul(Size, Sz); | ||||||
| 6962 | } | ||||||
| 6963 | return Size; | ||||||
| 6964 | } | ||||||
| 6965 | |||||||
| 6966 | // Reference types are ignored for mapping purposes. | ||||||
| 6967 | if (const auto *RefTy = ExprTy->getAs<ReferenceType>()) | ||||||
| 6968 | ExprTy = RefTy->getPointeeType().getCanonicalType(); | ||||||
| 6969 | |||||||
| 6970 | // Given that an array section is considered a built-in type, we need to | ||||||
| 6971 | // do the calculation based on the length of the section instead of relying | ||||||
| 6972 | // on CGF.getTypeSize(E->getType()). | ||||||
| 6973 | if (const auto *OAE = dyn_cast<OMPArraySectionExpr>(E)) { | ||||||
| 6974 | QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType( | ||||||
| 6975 | OAE->getBase()->IgnoreParenImpCasts()) | ||||||
| 6976 | .getCanonicalType(); | ||||||
| 6977 | |||||||
| 6978 | // If there is no length associated with the expression and lower bound is | ||||||
| 6979 | // not specified too, that means we are using the whole length of the | ||||||
| 6980 | // base. | ||||||
| 6981 | if (!OAE->getLength() && OAE->getColonLocFirst().isValid() && | ||||||
| 6982 | !OAE->getLowerBound()) | ||||||
| 6983 | return CGF.getTypeSize(BaseTy); | ||||||
| 6984 | |||||||
| 6985 | llvm::Value *ElemSize; | ||||||
| 6986 | if (const auto *PTy = BaseTy->getAs<PointerType>()) { | ||||||
| 6987 | ElemSize = CGF.getTypeSize(PTy->getPointeeType().getCanonicalType()); | ||||||
| 6988 | } else { | ||||||
| 6989 | const auto *ATy = cast<ArrayType>(BaseTy.getTypePtr()); | ||||||
| 6990 | assert(ATy && "Expecting array type if not a pointer type.")(static_cast <bool> (ATy && "Expecting array type if not a pointer type." ) ? void (0) : __assert_fail ("ATy && \"Expecting array type if not a pointer type.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 6990, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 6991 | ElemSize = CGF.getTypeSize(ATy->getElementType().getCanonicalType()); | ||||||
| 6992 | } | ||||||
| 6993 | |||||||
| 6994 | // If we don't have a length at this point, that is because we have an | ||||||
| 6995 | // array section with a single element. | ||||||
| 6996 | if (!OAE->getLength() && OAE->getColonLocFirst().isInvalid()) | ||||||
| 6997 | return ElemSize; | ||||||
| 6998 | |||||||
| 6999 | if (const Expr *LenExpr = OAE->getLength()) { | ||||||
| 7000 | llvm::Value *LengthVal = CGF.EmitScalarExpr(LenExpr); | ||||||
| 7001 | LengthVal = CGF.EmitScalarConversion(LengthVal, LenExpr->getType(), | ||||||
| 7002 | CGF.getContext().getSizeType(), | ||||||
| 7003 | LenExpr->getExprLoc()); | ||||||
| 7004 | return CGF.Builder.CreateNUWMul(LengthVal, ElemSize); | ||||||
| 7005 | } | ||||||
| 7006 | assert(!OAE->getLength() && OAE->getColonLocFirst().isValid() &&(static_cast <bool> (!OAE->getLength() && OAE ->getColonLocFirst().isValid() && OAE->getLowerBound () && "expected array_section[lb:].") ? void (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLocFirst().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7007, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7007 | OAE->getLowerBound() && "expected array_section[lb:].")(static_cast <bool> (!OAE->getLength() && OAE ->getColonLocFirst().isValid() && OAE->getLowerBound () && "expected array_section[lb:].") ? void (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLocFirst().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7007, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7008 | // Size = sizetype - lb * elemtype; | ||||||
| 7009 | llvm::Value *LengthVal = CGF.getTypeSize(BaseTy); | ||||||
| 7010 | llvm::Value *LBVal = CGF.EmitScalarExpr(OAE->getLowerBound()); | ||||||
| 7011 | LBVal = CGF.EmitScalarConversion(LBVal, OAE->getLowerBound()->getType(), | ||||||
| 7012 | CGF.getContext().getSizeType(), | ||||||
| 7013 | OAE->getLowerBound()->getExprLoc()); | ||||||
| 7014 | LBVal = CGF.Builder.CreateNUWMul(LBVal, ElemSize); | ||||||
| 7015 | llvm::Value *Cmp = CGF.Builder.CreateICmpUGT(LengthVal, LBVal); | ||||||
| 7016 | llvm::Value *TrueVal = CGF.Builder.CreateNUWSub(LengthVal, LBVal); | ||||||
| 7017 | LengthVal = CGF.Builder.CreateSelect( | ||||||
| 7018 | Cmp, TrueVal, llvm::ConstantInt::get(CGF.SizeTy, 0)); | ||||||
| 7019 | return LengthVal; | ||||||
| 7020 | } | ||||||
| 7021 | return CGF.getTypeSize(ExprTy); | ||||||
| 7022 | } | ||||||
| 7023 | |||||||
| 7024 | /// Return the corresponding bits for a given map clause modifier. Add | ||||||
| 7025 | /// a flag marking the map as a pointer if requested. Add a flag marking the | ||||||
| 7026 | /// map as the first one of a series of maps that relate to the same map | ||||||
| 7027 | /// expression. | ||||||
| 7028 | OpenMPOffloadMappingFlags getMapTypeBits( | ||||||
| 7029 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||||
| 7030 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, bool IsImplicit, | ||||||
| 7031 | bool AddPtrFlag, bool AddIsTargetParamFlag, bool IsNonContiguous) const { | ||||||
| 7032 | OpenMPOffloadMappingFlags Bits = | ||||||
| 7033 | IsImplicit ? OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT | ||||||
| 7034 | : OpenMPOffloadMappingFlags::OMP_MAP_NONE; | ||||||
| 7035 | switch (MapType) { | ||||||
| 7036 | case OMPC_MAP_alloc: | ||||||
| 7037 | case OMPC_MAP_release: | ||||||
| 7038 | // alloc and release is the default behavior in the runtime library, i.e. | ||||||
| 7039 | // if we don't pass any bits alloc/release that is what the runtime is | ||||||
| 7040 | // going to do. Therefore, we don't need to signal anything for these two | ||||||
| 7041 | // type modifiers. | ||||||
| 7042 | break; | ||||||
| 7043 | case OMPC_MAP_to: | ||||||
| 7044 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_TO; | ||||||
| 7045 | break; | ||||||
| 7046 | case OMPC_MAP_from: | ||||||
| 7047 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_FROM; | ||||||
| 7048 | break; | ||||||
| 7049 | case OMPC_MAP_tofrom: | ||||||
| 7050 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 7051 | OpenMPOffloadMappingFlags::OMP_MAP_FROM; | ||||||
| 7052 | break; | ||||||
| 7053 | case OMPC_MAP_delete: | ||||||
| 7054 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_DELETE; | ||||||
| 7055 | break; | ||||||
| 7056 | case OMPC_MAP_unknown: | ||||||
| 7057 | llvm_unreachable("Unexpected map type!")::llvm::llvm_unreachable_internal("Unexpected map type!", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7057); | ||||||
| 7058 | } | ||||||
| 7059 | if (AddPtrFlag) | ||||||
| 7060 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ; | ||||||
| 7061 | if (AddIsTargetParamFlag) | ||||||
| 7062 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM; | ||||||
| 7063 | if (llvm::is_contained(MapModifiers, OMPC_MAP_MODIFIER_always)) | ||||||
| 7064 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_ALWAYS; | ||||||
| 7065 | if (llvm::is_contained(MapModifiers, OMPC_MAP_MODIFIER_close)) | ||||||
| 7066 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_CLOSE; | ||||||
| 7067 | if (llvm::is_contained(MapModifiers, OMPC_MAP_MODIFIER_present) || | ||||||
| 7068 | llvm::is_contained(MotionModifiers, OMPC_MOTION_MODIFIER_present)) | ||||||
| 7069 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_PRESENT; | ||||||
| 7070 | if (llvm::is_contained(MapModifiers, OMPC_MAP_MODIFIER_ompx_hold)) | ||||||
| 7071 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_OMPX_HOLD; | ||||||
| 7072 | if (IsNonContiguous) | ||||||
| 7073 | Bits |= OpenMPOffloadMappingFlags::OMP_MAP_NON_CONTIG; | ||||||
| 7074 | return Bits; | ||||||
| 7075 | } | ||||||
| 7076 | |||||||
| 7077 | /// Return true if the provided expression is a final array section. A | ||||||
| 7078 | /// final array section, is one whose length can't be proved to be one. | ||||||
| 7079 | bool isFinalArraySectionExpression(const Expr *E) const { | ||||||
| 7080 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||||
| 7081 | |||||||
| 7082 | // It is not an array section and therefore not a unity-size one. | ||||||
| 7083 | if (!OASE) | ||||||
| 7084 | return false; | ||||||
| 7085 | |||||||
| 7086 | // An array section with no colon always refer to a single element. | ||||||
| 7087 | if (OASE->getColonLocFirst().isInvalid()) | ||||||
| 7088 | return false; | ||||||
| 7089 | |||||||
| 7090 | const Expr *Length = OASE->getLength(); | ||||||
| 7091 | |||||||
| 7092 | // If we don't have a length we have to check if the array has size 1 | ||||||
| 7093 | // for this dimension. Also, we should always expect a length if the | ||||||
| 7094 | // base type is pointer. | ||||||
| 7095 | if (!Length) { | ||||||
| 7096 | QualType BaseQTy = OMPArraySectionExpr::getBaseOriginalType( | ||||||
| 7097 | OASE->getBase()->IgnoreParenImpCasts()) | ||||||
| 7098 | .getCanonicalType(); | ||||||
| 7099 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||||
| 7100 | return ATy->getSize().getSExtValue() != 1; | ||||||
| 7101 | // If we don't have a constant dimension length, we have to consider | ||||||
| 7102 | // the current section as having any size, so it is not necessarily | ||||||
| 7103 | // unitary. If it happen to be unity size, that's user fault. | ||||||
| 7104 | return true; | ||||||
| 7105 | } | ||||||
| 7106 | |||||||
| 7107 | // Check if the length evaluates to 1. | ||||||
| 7108 | Expr::EvalResult Result; | ||||||
| 7109 | if (!Length->EvaluateAsInt(Result, CGF.getContext())) | ||||||
| 7110 | return true; // Can have more that size 1. | ||||||
| 7111 | |||||||
| 7112 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||||
| 7113 | return ConstLength.getSExtValue() != 1; | ||||||
| 7114 | } | ||||||
| 7115 | |||||||
| 7116 | /// Generate the base pointers, section pointers, sizes, map type bits, and | ||||||
| 7117 | /// user-defined mappers (all included in \a CombinedInfo) for the provided | ||||||
| 7118 | /// map type, map or motion modifiers, and expression components. | ||||||
| 7119 | /// \a IsFirstComponent should be set to true if the provided set of | ||||||
| 7120 | /// components is the first associated with a capture. | ||||||
| 7121 | void generateInfoForComponentList( | ||||||
| 7122 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||||
| 7123 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||
| 7124 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||||
| 7125 | MapCombinedInfoTy &CombinedInfo, StructRangeInfoTy &PartialStruct, | ||||||
| 7126 | bool IsFirstComponentList, bool IsImplicit, | ||||||
| 7127 | const ValueDecl *Mapper = nullptr, bool ForDeviceAddr = false, | ||||||
| 7128 | const ValueDecl *BaseDecl = nullptr, const Expr *MapExpr = nullptr, | ||||||
| 7129 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | ||||||
| 7130 | OverlappedElements = std::nullopt) const { | ||||||
| 7131 | // The following summarizes what has to be generated for each map and the | ||||||
| 7132 | // types below. The generated information is expressed in this order: | ||||||
| 7133 | // base pointer, section pointer, size, flags | ||||||
| 7134 | // (to add to the ones that come from the map type and modifier). | ||||||
| 7135 | // | ||||||
| 7136 | // double d; | ||||||
| 7137 | // int i[100]; | ||||||
| 7138 | // float *p; | ||||||
| 7139 | // int **a = &i; | ||||||
| 7140 | // | ||||||
| 7141 | // struct S1 { | ||||||
| 7142 | // int i; | ||||||
| 7143 | // float f[50]; | ||||||
| 7144 | // } | ||||||
| 7145 | // struct S2 { | ||||||
| 7146 | // int i; | ||||||
| 7147 | // float f[50]; | ||||||
| 7148 | // S1 s; | ||||||
| 7149 | // double *p; | ||||||
| 7150 | // struct S2 *ps; | ||||||
| 7151 | // int &ref; | ||||||
| 7152 | // } | ||||||
| 7153 | // S2 s; | ||||||
| 7154 | // S2 *ps; | ||||||
| 7155 | // | ||||||
| 7156 | // map(d) | ||||||
| 7157 | // &d, &d, sizeof(double), TARGET_PARAM | TO | FROM | ||||||
| 7158 | // | ||||||
| 7159 | // map(i) | ||||||
| 7160 | // &i, &i, 100*sizeof(int), TARGET_PARAM | TO | FROM | ||||||
| 7161 | // | ||||||
| 7162 | // map(i[1:23]) | ||||||
| 7163 | // &i(=&i[0]), &i[1], 23*sizeof(int), TARGET_PARAM | TO | FROM | ||||||
| 7164 | // | ||||||
| 7165 | // map(p) | ||||||
| 7166 | // &p, &p, sizeof(float*), TARGET_PARAM | TO | FROM | ||||||
| 7167 | // | ||||||
| 7168 | // map(p[1:24]) | ||||||
| 7169 | // &p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | PTR_AND_OBJ | ||||||
| 7170 | // in unified shared memory mode or for local pointers | ||||||
| 7171 | // p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | ||||||
| 7172 | // | ||||||
| 7173 | // map((*a)[0:3]) | ||||||
| 7174 | // &(*a), &(*a), sizeof(pointer), TARGET_PARAM | TO | FROM | ||||||
| 7175 | // &(*a), &(*a)[0], 3*sizeof(int), PTR_AND_OBJ | TO | FROM | ||||||
| 7176 | // | ||||||
| 7177 | // map(**a) | ||||||
| 7178 | // &(*a), &(*a), sizeof(pointer), TARGET_PARAM | TO | FROM | ||||||
| 7179 | // &(*a), &(**a), sizeof(int), PTR_AND_OBJ | TO | FROM | ||||||
| 7180 | // | ||||||
| 7181 | // map(s) | ||||||
| 7182 | // &s, &s, sizeof(S2), TARGET_PARAM | TO | FROM | ||||||
| 7183 | // | ||||||
| 7184 | // map(s.i) | ||||||
| 7185 | // &s, &(s.i), sizeof(int), TARGET_PARAM | TO | FROM | ||||||
| 7186 | // | ||||||
| 7187 | // map(s.s.f) | ||||||
| 7188 | // &s, &(s.s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | ||||||
| 7189 | // | ||||||
| 7190 | // map(s.p) | ||||||
| 7191 | // &s, &(s.p), sizeof(double*), TARGET_PARAM | TO | FROM | ||||||
| 7192 | // | ||||||
| 7193 | // map(to: s.p[:22]) | ||||||
| 7194 | // &s, &(s.p), sizeof(double*), TARGET_PARAM (*) | ||||||
| 7195 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) (**) | ||||||
| 7196 | // &(s.p), &(s.p[0]), 22*sizeof(double), | ||||||
| 7197 | // MEMBER_OF(1) | PTR_AND_OBJ | TO (***) | ||||||
| 7198 | // (*) alloc space for struct members, only this is a target parameter | ||||||
| 7199 | // (**) map the pointer (nothing to be mapped in this example) (the compiler | ||||||
| 7200 | // optimizes this entry out, same in the examples below) | ||||||
| 7201 | // (***) map the pointee (map: to) | ||||||
| 7202 | // | ||||||
| 7203 | // map(to: s.ref) | ||||||
| 7204 | // &s, &(s.ref), sizeof(int*), TARGET_PARAM (*) | ||||||
| 7205 | // &s, &(s.ref), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | TO (***) | ||||||
| 7206 | // (*) alloc space for struct members, only this is a target parameter | ||||||
| 7207 | // (**) map the pointer (nothing to be mapped in this example) (the compiler | ||||||
| 7208 | // optimizes this entry out, same in the examples below) | ||||||
| 7209 | // (***) map the pointee (map: to) | ||||||
| 7210 | // | ||||||
| 7211 | // map(s.ps) | ||||||
| 7212 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | TO | FROM | ||||||
| 7213 | // | ||||||
| 7214 | // map(from: s.ps->s.i) | ||||||
| 7215 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7216 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7217 | // &(s.ps), &(s.ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||||
| 7218 | // | ||||||
| 7219 | // map(to: s.ps->ps) | ||||||
| 7220 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7221 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7222 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | TO | ||||||
| 7223 | // | ||||||
| 7224 | // map(s.ps->ps->ps) | ||||||
| 7225 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7226 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7227 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||||
| 7228 | // &(s.ps->ps), &(s.ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | ||||||
| 7229 | // | ||||||
| 7230 | // map(to: s.ps->ps->s.f[:22]) | ||||||
| 7231 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7232 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7233 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||||
| 7234 | // &(s.ps->ps), &(s.ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | ||||||
| 7235 | // | ||||||
| 7236 | // map(ps) | ||||||
| 7237 | // &ps, &ps, sizeof(S2*), TARGET_PARAM | TO | FROM | ||||||
| 7238 | // | ||||||
| 7239 | // map(ps->i) | ||||||
| 7240 | // ps, &(ps->i), sizeof(int), TARGET_PARAM | TO | FROM | ||||||
| 7241 | // | ||||||
| 7242 | // map(ps->s.f) | ||||||
| 7243 | // ps, &(ps->s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | ||||||
| 7244 | // | ||||||
| 7245 | // map(from: ps->p) | ||||||
| 7246 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | FROM | ||||||
| 7247 | // | ||||||
| 7248 | // map(to: ps->p[:22]) | ||||||
| 7249 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | ||||||
| 7250 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(1) | ||||||
| 7251 | // &(ps->p), &(ps->p[0]), 22*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | TO | ||||||
| 7252 | // | ||||||
| 7253 | // map(ps->ps) | ||||||
| 7254 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | TO | FROM | ||||||
| 7255 | // | ||||||
| 7256 | // map(from: ps->ps->s.i) | ||||||
| 7257 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7258 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7259 | // &(ps->ps), &(ps->ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||||
| 7260 | // | ||||||
| 7261 | // map(from: ps->ps->ps) | ||||||
| 7262 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7263 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7264 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||||
| 7265 | // | ||||||
| 7266 | // map(ps->ps->ps->ps) | ||||||
| 7267 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7268 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7269 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||||
| 7270 | // &(ps->ps->ps), &(ps->ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | ||||||
| 7271 | // | ||||||
| 7272 | // map(to: ps->ps->ps->s.f[:22]) | ||||||
| 7273 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||||
| 7274 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||||
| 7275 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||||
| 7276 | // &(ps->ps->ps), &(ps->ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | ||||||
| 7277 | // | ||||||
| 7278 | // map(to: s.f[:22]) map(from: s.p[:33]) | ||||||
| 7279 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1) + | ||||||
| 7280 | // sizeof(double*) (**), TARGET_PARAM | ||||||
| 7281 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | TO | ||||||
| 7282 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) | ||||||
| 7283 | // &(s.p), &(s.p[0]), 33*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||||
| 7284 | // (*) allocate contiguous space needed to fit all mapped members even if | ||||||
| 7285 | // we allocate space for members not mapped (in this example, | ||||||
| 7286 | // s.f[22..49] and s.s are not mapped, yet we must allocate space for | ||||||
| 7287 | // them as well because they fall between &s.f[0] and &s.p) | ||||||
| 7288 | // | ||||||
| 7289 | // map(from: s.f[:22]) map(to: ps->p[:33]) | ||||||
| 7290 | // &s, &(s.f[0]), 22*sizeof(float), TARGET_PARAM | FROM | ||||||
| 7291 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | ||||||
| 7292 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(2) (*) | ||||||
| 7293 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(2) | PTR_AND_OBJ | TO | ||||||
| 7294 | // (*) the struct this entry pertains to is the 2nd element in the list of | ||||||
| 7295 | // arguments, hence MEMBER_OF(2) | ||||||
| 7296 | // | ||||||
| 7297 | // map(from: s.f[:22], s.s) map(to: ps->p[:33]) | ||||||
| 7298 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1), TARGET_PARAM | ||||||
| 7299 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | FROM | ||||||
| 7300 | // &s, &(s.s), sizeof(struct S1), MEMBER_OF(1) | FROM | ||||||
| 7301 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | ||||||
| 7302 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(4) (*) | ||||||
| 7303 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(4) | PTR_AND_OBJ | TO | ||||||
| 7304 | // (*) the struct this entry pertains to is the 4th element in the list | ||||||
| 7305 | // of arguments, hence MEMBER_OF(4) | ||||||
| 7306 | |||||||
| 7307 | // Track if the map information being generated is the first for a capture. | ||||||
| 7308 | bool IsCaptureFirstInfo = IsFirstComponentList; | ||||||
| 7309 | // When the variable is on a declare target link or in a to clause with | ||||||
| 7310 | // unified memory, a reference is needed to hold the host/device address | ||||||
| 7311 | // of the variable. | ||||||
| 7312 | bool RequiresReference = false; | ||||||
| 7313 | |||||||
| 7314 | // Scan the components from the base to the complete expression. | ||||||
| 7315 | auto CI = Components.rbegin(); | ||||||
| 7316 | auto CE = Components.rend(); | ||||||
| 7317 | auto I = CI; | ||||||
| 7318 | |||||||
| 7319 | // Track if the map information being generated is the first for a list of | ||||||
| 7320 | // components. | ||||||
| 7321 | bool IsExpressionFirstInfo = true; | ||||||
| 7322 | bool FirstPointerInComplexData = false; | ||||||
| 7323 | Address BP = Address::invalid(); | ||||||
| 7324 | const Expr *AssocExpr = I->getAssociatedExpression(); | ||||||
| 7325 | const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr); | ||||||
| 7326 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | ||||||
| 7327 | const auto *OAShE = dyn_cast<OMPArrayShapingExpr>(AssocExpr); | ||||||
| 7328 | |||||||
| 7329 | if (isa<MemberExpr>(AssocExpr)) { | ||||||
| 7330 | // The base is the 'this' pointer. The content of the pointer is going | ||||||
| 7331 | // to be the base of the field being mapped. | ||||||
| 7332 | BP = CGF.LoadCXXThisAddress(); | ||||||
| 7333 | } else if ((AE && isa<CXXThisExpr>(AE->getBase()->IgnoreParenImpCasts())) || | ||||||
| 7334 | (OASE && | ||||||
| 7335 | isa<CXXThisExpr>(OASE->getBase()->IgnoreParenImpCasts()))) { | ||||||
| 7336 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | ||||||
| 7337 | } else if (OAShE && | ||||||
| 7338 | isa<CXXThisExpr>(OAShE->getBase()->IgnoreParenCasts())) { | ||||||
| 7339 | BP = Address( | ||||||
| 7340 | CGF.EmitScalarExpr(OAShE->getBase()), | ||||||
| 7341 | CGF.ConvertTypeForMem(OAShE->getBase()->getType()->getPointeeType()), | ||||||
| 7342 | CGF.getContext().getTypeAlignInChars(OAShE->getBase()->getType())); | ||||||
| 7343 | } else { | ||||||
| 7344 | // The base is the reference to the variable. | ||||||
| 7345 | // BP = &Var. | ||||||
| 7346 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | ||||||
| 7347 | if (const auto *VD = | ||||||
| 7348 | dyn_cast_or_null<VarDecl>(I->getAssociatedDeclaration())) { | ||||||
| 7349 | if (std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 7350 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | ||||||
| 7351 | if ((*Res == OMPDeclareTargetDeclAttr::MT_Link) || | ||||||
| 7352 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 7353 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 7354 | CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory())) { | ||||||
| 7355 | RequiresReference = true; | ||||||
| 7356 | BP = CGF.CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | ||||||
| 7357 | } | ||||||
| 7358 | } | ||||||
| 7359 | } | ||||||
| 7360 | |||||||
| 7361 | // If the variable is a pointer and is being dereferenced (i.e. is not | ||||||
| 7362 | // the last component), the base has to be the pointer itself, not its | ||||||
| 7363 | // reference. References are ignored for mapping purposes. | ||||||
| 7364 | QualType Ty = | ||||||
| 7365 | I->getAssociatedDeclaration()->getType().getNonReferenceType(); | ||||||
| 7366 | if (Ty->isAnyPointerType() && std::next(I) != CE) { | ||||||
| 7367 | // No need to generate individual map information for the pointer, it | ||||||
| 7368 | // can be associated with the combined storage if shared memory mode is | ||||||
| 7369 | // active or the base declaration is not global variable. | ||||||
| 7370 | const auto *VD = dyn_cast<VarDecl>(I->getAssociatedDeclaration()); | ||||||
| 7371 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | ||||||
| 7372 | !VD || VD->hasLocalStorage()) | ||||||
| 7373 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | ||||||
| 7374 | else | ||||||
| 7375 | FirstPointerInComplexData = true; | ||||||
| 7376 | ++I; | ||||||
| 7377 | } | ||||||
| 7378 | } | ||||||
| 7379 | |||||||
| 7380 | // Track whether a component of the list should be marked as MEMBER_OF some | ||||||
| 7381 | // combined entry (for partial structs). Only the first PTR_AND_OBJ entry | ||||||
| 7382 | // in a component list should be marked as MEMBER_OF, all subsequent entries | ||||||
| 7383 | // do not belong to the base struct. E.g. | ||||||
| 7384 | // struct S2 s; | ||||||
| 7385 | // s.ps->ps->ps->f[:] | ||||||
| 7386 | // (1) (2) (3) (4) | ||||||
| 7387 | // ps(1) is a member pointer, ps(2) is a pointee of ps(1), so it is a | ||||||
| 7388 | // PTR_AND_OBJ entry; the PTR is ps(1), so MEMBER_OF the base struct. ps(3) | ||||||
| 7389 | // is the pointee of ps(2) which is not member of struct s, so it should not | ||||||
| 7390 | // be marked as such (it is still PTR_AND_OBJ). | ||||||
| 7391 | // The variable is initialized to false so that PTR_AND_OBJ entries which | ||||||
| 7392 | // are not struct members are not considered (e.g. array of pointers to | ||||||
| 7393 | // data). | ||||||
| 7394 | bool ShouldBeMemberOf = false; | ||||||
| 7395 | |||||||
| 7396 | // Variable keeping track of whether or not we have encountered a component | ||||||
| 7397 | // in the component list which is a member expression. Useful when we have a | ||||||
| 7398 | // pointer or a final array section, in which case it is the previous | ||||||
| 7399 | // component in the list which tells us whether we have a member expression. | ||||||
| 7400 | // E.g. X.f[:] | ||||||
| 7401 | // While processing the final array section "[:]" it is "f" which tells us | ||||||
| 7402 | // whether we are dealing with a member of a declared struct. | ||||||
| 7403 | const MemberExpr *EncounteredME = nullptr; | ||||||
| 7404 | |||||||
| 7405 | // Track for the total number of dimension. Start from one for the dummy | ||||||
| 7406 | // dimension. | ||||||
| 7407 | uint64_t DimSize = 1; | ||||||
| 7408 | |||||||
| 7409 | bool IsNonContiguous = CombinedInfo.NonContigInfo.IsNonContiguous; | ||||||
| 7410 | bool IsPrevMemberReference = false; | ||||||
| 7411 | |||||||
| 7412 | for (; I != CE; ++I) { | ||||||
| 7413 | // If the current component is member of a struct (parent struct) mark it. | ||||||
| 7414 | if (!EncounteredME) { | ||||||
| 7415 | EncounteredME = dyn_cast<MemberExpr>(I->getAssociatedExpression()); | ||||||
| 7416 | // If we encounter a PTR_AND_OBJ entry from now on it should be marked | ||||||
| 7417 | // as MEMBER_OF the parent struct. | ||||||
| 7418 | if (EncounteredME) { | ||||||
| 7419 | ShouldBeMemberOf = true; | ||||||
| 7420 | // Do not emit as complex pointer if this is actually not array-like | ||||||
| 7421 | // expression. | ||||||
| 7422 | if (FirstPointerInComplexData) { | ||||||
| 7423 | QualType Ty = std::prev(I) | ||||||
| 7424 | ->getAssociatedDeclaration() | ||||||
| 7425 | ->getType() | ||||||
| 7426 | .getNonReferenceType(); | ||||||
| 7427 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | ||||||
| 7428 | FirstPointerInComplexData = false; | ||||||
| 7429 | } | ||||||
| 7430 | } | ||||||
| 7431 | } | ||||||
| 7432 | |||||||
| 7433 | auto Next = std::next(I); | ||||||
| 7434 | |||||||
| 7435 | // We need to generate the addresses and sizes if this is the last | ||||||
| 7436 | // component, if the component is a pointer or if it is an array section | ||||||
| 7437 | // whose length can't be proved to be one. If this is a pointer, it | ||||||
| 7438 | // becomes the base address for the following components. | ||||||
| 7439 | |||||||
| 7440 | // A final array section, is one whose length can't be proved to be one. | ||||||
| 7441 | // If the map item is non-contiguous then we don't treat any array section | ||||||
| 7442 | // as final array section. | ||||||
| 7443 | bool IsFinalArraySection = | ||||||
| 7444 | !IsNonContiguous && | ||||||
| 7445 | isFinalArraySectionExpression(I->getAssociatedExpression()); | ||||||
| 7446 | |||||||
| 7447 | // If we have a declaration for the mapping use that, otherwise use | ||||||
| 7448 | // the base declaration of the map clause. | ||||||
| 7449 | const ValueDecl *MapDecl = (I->getAssociatedDeclaration()) | ||||||
| 7450 | ? I->getAssociatedDeclaration() | ||||||
| 7451 | : BaseDecl; | ||||||
| 7452 | MapExpr = (I->getAssociatedExpression()) ? I->getAssociatedExpression() | ||||||
| 7453 | : MapExpr; | ||||||
| 7454 | |||||||
| 7455 | // Get information on whether the element is a pointer. Have to do a | ||||||
| 7456 | // special treatment for array sections given that they are built-in | ||||||
| 7457 | // types. | ||||||
| 7458 | const auto *OASE = | ||||||
| 7459 | dyn_cast<OMPArraySectionExpr>(I->getAssociatedExpression()); | ||||||
| 7460 | const auto *OAShE = | ||||||
| 7461 | dyn_cast<OMPArrayShapingExpr>(I->getAssociatedExpression()); | ||||||
| 7462 | const auto *UO = dyn_cast<UnaryOperator>(I->getAssociatedExpression()); | ||||||
| 7463 | const auto *BO = dyn_cast<BinaryOperator>(I->getAssociatedExpression()); | ||||||
| 7464 | bool IsPointer = | ||||||
| 7465 | OAShE || | ||||||
| 7466 | (OASE && OMPArraySectionExpr::getBaseOriginalType(OASE) | ||||||
| 7467 | .getCanonicalType() | ||||||
| 7468 | ->isAnyPointerType()) || | ||||||
| 7469 | I->getAssociatedExpression()->getType()->isAnyPointerType(); | ||||||
| 7470 | bool IsMemberReference = isa<MemberExpr>(I->getAssociatedExpression()) && | ||||||
| 7471 | MapDecl && | ||||||
| 7472 | MapDecl->getType()->isLValueReferenceType(); | ||||||
| 7473 | bool IsNonDerefPointer = IsPointer && | ||||||
| 7474 | !(UO && UO->getOpcode() != UO_Deref) && !BO && | ||||||
| 7475 | !IsNonContiguous; | ||||||
| 7476 | |||||||
| 7477 | if (OASE) | ||||||
| 7478 | ++DimSize; | ||||||
| 7479 | |||||||
| 7480 | if (Next == CE || IsMemberReference || IsNonDerefPointer || | ||||||
| 7481 | IsFinalArraySection) { | ||||||
| 7482 | // If this is not the last component, we expect the pointer to be | ||||||
| 7483 | // associated with an array expression or member expression. | ||||||
| 7484 | assert((Next == CE ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7485 | isa<MemberExpr>(Next->getAssociatedExpression()) ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7486 | isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7487 | isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7488 | isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7489 | isa<UnaryOperator>(Next->getAssociatedExpression()) ||(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7490 | isa<BinaryOperator>(Next->getAssociatedExpression())) &&(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7491 | "Unexpected expression")(static_cast <bool> ((Next == CE || isa<MemberExpr> (Next->getAssociatedExpression()) || isa<ArraySubscriptExpr >(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr >(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr >(Next->getAssociatedExpression()) || isa<UnaryOperator >(Next->getAssociatedExpression()) || isa<BinaryOperator >(Next->getAssociatedExpression())) && "Unexpected expression" ) ? void (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7491, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7492 | |||||||
| 7493 | Address LB = Address::invalid(); | ||||||
| 7494 | Address LowestElem = Address::invalid(); | ||||||
| 7495 | auto &&EmitMemberExprBase = [](CodeGenFunction &CGF, | ||||||
| 7496 | const MemberExpr *E) { | ||||||
| 7497 | const Expr *BaseExpr = E->getBase(); | ||||||
| 7498 | // If this is s.x, emit s as an lvalue. If it is s->x, emit s as a | ||||||
| 7499 | // scalar. | ||||||
| 7500 | LValue BaseLV; | ||||||
| 7501 | if (E->isArrow()) { | ||||||
| 7502 | LValueBaseInfo BaseInfo; | ||||||
| 7503 | TBAAAccessInfo TBAAInfo; | ||||||
| 7504 | Address Addr = | ||||||
| 7505 | CGF.EmitPointerWithAlignment(BaseExpr, &BaseInfo, &TBAAInfo); | ||||||
| 7506 | QualType PtrTy = BaseExpr->getType()->getPointeeType(); | ||||||
| 7507 | BaseLV = CGF.MakeAddrLValue(Addr, PtrTy, BaseInfo, TBAAInfo); | ||||||
| 7508 | } else { | ||||||
| 7509 | BaseLV = CGF.EmitOMPSharedLValue(BaseExpr); | ||||||
| 7510 | } | ||||||
| 7511 | return BaseLV; | ||||||
| 7512 | }; | ||||||
| 7513 | if (OAShE) { | ||||||
| 7514 | LowestElem = LB = | ||||||
| 7515 | Address(CGF.EmitScalarExpr(OAShE->getBase()), | ||||||
| 7516 | CGF.ConvertTypeForMem( | ||||||
| 7517 | OAShE->getBase()->getType()->getPointeeType()), | ||||||
| 7518 | CGF.getContext().getTypeAlignInChars( | ||||||
| 7519 | OAShE->getBase()->getType())); | ||||||
| 7520 | } else if (IsMemberReference) { | ||||||
| 7521 | const auto *ME = cast<MemberExpr>(I->getAssociatedExpression()); | ||||||
| 7522 | LValue BaseLVal = EmitMemberExprBase(CGF, ME); | ||||||
| 7523 | LowestElem = CGF.EmitLValueForFieldInitialization( | ||||||
| 7524 | BaseLVal, cast<FieldDecl>(MapDecl)) | ||||||
| 7525 | .getAddress(CGF); | ||||||
| 7526 | LB = CGF.EmitLoadOfReferenceLValue(LowestElem, MapDecl->getType()) | ||||||
| 7527 | .getAddress(CGF); | ||||||
| 7528 | } else { | ||||||
| 7529 | LowestElem = LB = | ||||||
| 7530 | CGF.EmitOMPSharedLValue(I->getAssociatedExpression()) | ||||||
| 7531 | .getAddress(CGF); | ||||||
| 7532 | } | ||||||
| 7533 | |||||||
| 7534 | // If this component is a pointer inside the base struct then we don't | ||||||
| 7535 | // need to create any entry for it - it will be combined with the object | ||||||
| 7536 | // it is pointing to into a single PTR_AND_OBJ entry. | ||||||
| 7537 | bool IsMemberPointerOrAddr = | ||||||
| 7538 | EncounteredME && | ||||||
| 7539 | (((IsPointer || ForDeviceAddr) && | ||||||
| 7540 | I->getAssociatedExpression() == EncounteredME) || | ||||||
| 7541 | (IsPrevMemberReference && !IsPointer) || | ||||||
| 7542 | (IsMemberReference && Next != CE && | ||||||
| 7543 | !Next->getAssociatedExpression()->getType()->isPointerType())); | ||||||
| 7544 | if (!OverlappedElements.empty() && Next == CE) { | ||||||
| 7545 | // Handle base element with the info for overlapped elements. | ||||||
| 7546 | assert(!PartialStruct.Base.isValid() && "The base element is set.")(static_cast <bool> (!PartialStruct.Base.isValid() && "The base element is set.") ? void (0) : __assert_fail ("!PartialStruct.Base.isValid() && \"The base element is set.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7546, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7547 | assert(!IsPointer &&(static_cast <bool> (!IsPointer && "Unexpected base element with the pointer type." ) ? void (0) : __assert_fail ("!IsPointer && \"Unexpected base element with the pointer type.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7548, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7548 | "Unexpected base element with the pointer type.")(static_cast <bool> (!IsPointer && "Unexpected base element with the pointer type." ) ? void (0) : __assert_fail ("!IsPointer && \"Unexpected base element with the pointer type.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7548, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7549 | // Mark the whole struct as the struct that requires allocation on the | ||||||
| 7550 | // device. | ||||||
| 7551 | PartialStruct.LowestElem = {0, LowestElem}; | ||||||
| 7552 | CharUnits TypeSize = CGF.getContext().getTypeSizeInChars( | ||||||
| 7553 | I->getAssociatedExpression()->getType()); | ||||||
| 7554 | Address HB = CGF.Builder.CreateConstGEP( | ||||||
| 7555 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 7556 | LowestElem, CGF.VoidPtrTy, CGF.Int8Ty), | ||||||
| 7557 | TypeSize.getQuantity() - 1); | ||||||
| 7558 | PartialStruct.HighestElem = { | ||||||
| 7559 | std::numeric_limits<decltype( | ||||||
| 7560 | PartialStruct.HighestElem.first)>::max(), | ||||||
| 7561 | HB}; | ||||||
| 7562 | PartialStruct.Base = BP; | ||||||
| 7563 | PartialStruct.LB = LB; | ||||||
| 7564 | assert((static_cast <bool> (PartialStruct.PreliminaryMapData.BasePointers .empty() && "Overlapped elements must be used only once for the variable." ) ? void (0) : __assert_fail ("PartialStruct.PreliminaryMapData.BasePointers.empty() && \"Overlapped elements must be used only once for the variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7566, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7565 | PartialStruct.PreliminaryMapData.BasePointers.empty() &&(static_cast <bool> (PartialStruct.PreliminaryMapData.BasePointers .empty() && "Overlapped elements must be used only once for the variable." ) ? void (0) : __assert_fail ("PartialStruct.PreliminaryMapData.BasePointers.empty() && \"Overlapped elements must be used only once for the variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7566, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7566 | "Overlapped elements must be used only once for the variable.")(static_cast <bool> (PartialStruct.PreliminaryMapData.BasePointers .empty() && "Overlapped elements must be used only once for the variable." ) ? void (0) : __assert_fail ("PartialStruct.PreliminaryMapData.BasePointers.empty() && \"Overlapped elements must be used only once for the variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7566, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7567 | std::swap(PartialStruct.PreliminaryMapData, CombinedInfo); | ||||||
| 7568 | // Emit data for non-overlapped data. | ||||||
| 7569 | OpenMPOffloadMappingFlags Flags = | ||||||
| 7570 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF | | ||||||
| 7571 | getMapTypeBits(MapType, MapModifiers, MotionModifiers, IsImplicit, | ||||||
| 7572 | /*AddPtrFlag=*/false, | ||||||
| 7573 | /*AddIsTargetParamFlag=*/false, IsNonContiguous); | ||||||
| 7574 | llvm::Value *Size = nullptr; | ||||||
| 7575 | // Do bitcopy of all non-overlapped structure elements. | ||||||
| 7576 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||
| 7577 | Component : OverlappedElements) { | ||||||
| 7578 | Address ComponentLB = Address::invalid(); | ||||||
| 7579 | for (const OMPClauseMappableExprCommon::MappableComponent &MC : | ||||||
| 7580 | Component) { | ||||||
| 7581 | if (const ValueDecl *VD = MC.getAssociatedDeclaration()) { | ||||||
| 7582 | const auto *FD = dyn_cast<FieldDecl>(VD); | ||||||
| 7583 | if (FD && FD->getType()->isLValueReferenceType()) { | ||||||
| 7584 | const auto *ME = | ||||||
| 7585 | cast<MemberExpr>(MC.getAssociatedExpression()); | ||||||
| 7586 | LValue BaseLVal = EmitMemberExprBase(CGF, ME); | ||||||
| 7587 | ComponentLB = | ||||||
| 7588 | CGF.EmitLValueForFieldInitialization(BaseLVal, FD) | ||||||
| 7589 | .getAddress(CGF); | ||||||
| 7590 | } else { | ||||||
| 7591 | ComponentLB = | ||||||
| 7592 | CGF.EmitOMPSharedLValue(MC.getAssociatedExpression()) | ||||||
| 7593 | .getAddress(CGF); | ||||||
| 7594 | } | ||||||
| 7595 | Size = CGF.Builder.CreatePtrDiff( | ||||||
| 7596 | CGF.Int8Ty, CGF.EmitCastToVoidPtr(ComponentLB.getPointer()), | ||||||
| 7597 | CGF.EmitCastToVoidPtr(LB.getPointer())); | ||||||
| 7598 | break; | ||||||
| 7599 | } | ||||||
| 7600 | } | ||||||
| 7601 | assert(Size && "Failed to determine structure size")(static_cast <bool> (Size && "Failed to determine structure size" ) ? void (0) : __assert_fail ("Size && \"Failed to determine structure size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7601, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7602 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | ||||||
| 7603 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | ||||||
| 7604 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 7605 | CombinedInfo.Pointers.push_back(LB.getPointer()); | ||||||
| 7606 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 7607 | Size, CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 7608 | CombinedInfo.Types.push_back(Flags); | ||||||
| 7609 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 7610 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | ||||||
| 7611 | : 1); | ||||||
| 7612 | LB = CGF.Builder.CreateConstGEP(ComponentLB, 1); | ||||||
| 7613 | } | ||||||
| 7614 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | ||||||
| 7615 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | ||||||
| 7616 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 7617 | CombinedInfo.Pointers.push_back(LB.getPointer()); | ||||||
| 7618 | Size = CGF.Builder.CreatePtrDiff( | ||||||
| 7619 | CGF.Int8Ty, CGF.Builder.CreateConstGEP(HB, 1).getPointer(), | ||||||
| 7620 | CGF.EmitCastToVoidPtr(LB.getPointer())); | ||||||
| 7621 | CombinedInfo.Sizes.push_back( | ||||||
| 7622 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 7623 | CombinedInfo.Types.push_back(Flags); | ||||||
| 7624 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 7625 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | ||||||
| 7626 | : 1); | ||||||
| 7627 | break; | ||||||
| 7628 | } | ||||||
| 7629 | llvm::Value *Size = getExprTypeSize(I->getAssociatedExpression()); | ||||||
| 7630 | if (!IsMemberPointerOrAddr || | ||||||
| 7631 | (Next == CE && MapType != OMPC_MAP_unknown)) { | ||||||
| 7632 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | ||||||
| 7633 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | ||||||
| 7634 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 7635 | CombinedInfo.Pointers.push_back(LB.getPointer()); | ||||||
| 7636 | CombinedInfo.Sizes.push_back( | ||||||
| 7637 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 7638 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | ||||||
| 7639 | : 1); | ||||||
| 7640 | |||||||
| 7641 | // If Mapper is valid, the last component inherits the mapper. | ||||||
| 7642 | bool HasMapper = Mapper && Next == CE; | ||||||
| 7643 | CombinedInfo.Mappers.push_back(HasMapper ? Mapper : nullptr); | ||||||
| 7644 | |||||||
| 7645 | // We need to add a pointer flag for each map that comes from the | ||||||
| 7646 | // same expression except for the first one. We also need to signal | ||||||
| 7647 | // this map is the first one that relates with the current capture | ||||||
| 7648 | // (there is a set of entries for each capture). | ||||||
| 7649 | OpenMPOffloadMappingFlags Flags = getMapTypeBits( | ||||||
| 7650 | MapType, MapModifiers, MotionModifiers, IsImplicit, | ||||||
| 7651 | !IsExpressionFirstInfo || RequiresReference || | ||||||
| 7652 | FirstPointerInComplexData || IsMemberReference, | ||||||
| 7653 | IsCaptureFirstInfo && !RequiresReference, IsNonContiguous); | ||||||
| 7654 | |||||||
| 7655 | if (!IsExpressionFirstInfo || IsMemberReference) { | ||||||
| 7656 | // If we have a PTR_AND_OBJ pair where the OBJ is a pointer as well, | ||||||
| 7657 | // then we reset the TO/FROM/ALWAYS/DELETE/CLOSE flags. | ||||||
| 7658 | if (IsPointer || (IsMemberReference && Next != CE)) | ||||||
| 7659 | Flags &= ~(OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 7660 | OpenMPOffloadMappingFlags::OMP_MAP_FROM | | ||||||
| 7661 | OpenMPOffloadMappingFlags::OMP_MAP_ALWAYS | | ||||||
| 7662 | OpenMPOffloadMappingFlags::OMP_MAP_DELETE | | ||||||
| 7663 | OpenMPOffloadMappingFlags::OMP_MAP_CLOSE); | ||||||
| 7664 | |||||||
| 7665 | if (ShouldBeMemberOf) { | ||||||
| 7666 | // Set placeholder value MEMBER_OF=FFFF to indicate that the flag | ||||||
| 7667 | // should be later updated with the correct value of MEMBER_OF. | ||||||
| 7668 | Flags |= OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF; | ||||||
| 7669 | // From now on, all subsequent PTR_AND_OBJ entries should not be | ||||||
| 7670 | // marked as MEMBER_OF. | ||||||
| 7671 | ShouldBeMemberOf = false; | ||||||
| 7672 | } | ||||||
| 7673 | } | ||||||
| 7674 | |||||||
| 7675 | CombinedInfo.Types.push_back(Flags); | ||||||
| 7676 | } | ||||||
| 7677 | |||||||
| 7678 | // If we have encountered a member expression so far, keep track of the | ||||||
| 7679 | // mapped member. If the parent is "*this", then the value declaration | ||||||
| 7680 | // is nullptr. | ||||||
| 7681 | if (EncounteredME) { | ||||||
| 7682 | const auto *FD = cast<FieldDecl>(EncounteredME->getMemberDecl()); | ||||||
| 7683 | unsigned FieldIndex = FD->getFieldIndex(); | ||||||
| 7684 | |||||||
| 7685 | // Update info about the lowest and highest elements for this struct | ||||||
| 7686 | if (!PartialStruct.Base.isValid()) { | ||||||
| 7687 | PartialStruct.LowestElem = {FieldIndex, LowestElem}; | ||||||
| 7688 | if (IsFinalArraySection) { | ||||||
| 7689 | Address HB = | ||||||
| 7690 | CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false) | ||||||
| 7691 | .getAddress(CGF); | ||||||
| 7692 | PartialStruct.HighestElem = {FieldIndex, HB}; | ||||||
| 7693 | } else { | ||||||
| 7694 | PartialStruct.HighestElem = {FieldIndex, LowestElem}; | ||||||
| 7695 | } | ||||||
| 7696 | PartialStruct.Base = BP; | ||||||
| 7697 | PartialStruct.LB = BP; | ||||||
| 7698 | } else if (FieldIndex < PartialStruct.LowestElem.first) { | ||||||
| 7699 | PartialStruct.LowestElem = {FieldIndex, LowestElem}; | ||||||
| 7700 | } else if (FieldIndex > PartialStruct.HighestElem.first) { | ||||||
| 7701 | PartialStruct.HighestElem = {FieldIndex, LowestElem}; | ||||||
| 7702 | } | ||||||
| 7703 | } | ||||||
| 7704 | |||||||
| 7705 | // Need to emit combined struct for array sections. | ||||||
| 7706 | if (IsFinalArraySection || IsNonContiguous) | ||||||
| 7707 | PartialStruct.IsArraySection = true; | ||||||
| 7708 | |||||||
| 7709 | // If we have a final array section, we are done with this expression. | ||||||
| 7710 | if (IsFinalArraySection) | ||||||
| 7711 | break; | ||||||
| 7712 | |||||||
| 7713 | // The pointer becomes the base for the next element. | ||||||
| 7714 | if (Next != CE) | ||||||
| 7715 | BP = IsMemberReference ? LowestElem : LB; | ||||||
| 7716 | |||||||
| 7717 | IsExpressionFirstInfo = false; | ||||||
| 7718 | IsCaptureFirstInfo = false; | ||||||
| 7719 | FirstPointerInComplexData = false; | ||||||
| 7720 | IsPrevMemberReference = IsMemberReference; | ||||||
| 7721 | } else if (FirstPointerInComplexData) { | ||||||
| 7722 | QualType Ty = Components.rbegin() | ||||||
| 7723 | ->getAssociatedDeclaration() | ||||||
| 7724 | ->getType() | ||||||
| 7725 | .getNonReferenceType(); | ||||||
| 7726 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | ||||||
| 7727 | FirstPointerInComplexData = false; | ||||||
| 7728 | } | ||||||
| 7729 | } | ||||||
| 7730 | // If ran into the whole component - allocate the space for the whole | ||||||
| 7731 | // record. | ||||||
| 7732 | if (!EncounteredME) | ||||||
| 7733 | PartialStruct.HasCompleteRecord = true; | ||||||
| 7734 | |||||||
| 7735 | if (!IsNonContiguous) | ||||||
| 7736 | return; | ||||||
| 7737 | |||||||
| 7738 | const ASTContext &Context = CGF.getContext(); | ||||||
| 7739 | |||||||
| 7740 | // For supporting stride in array section, we need to initialize the first | ||||||
| 7741 | // dimension size as 1, first offset as 0, and first count as 1 | ||||||
| 7742 | MapValuesArrayTy CurOffsets = {llvm::ConstantInt::get(CGF.CGM.Int64Ty, 0)}; | ||||||
| 7743 | MapValuesArrayTy CurCounts = {llvm::ConstantInt::get(CGF.CGM.Int64Ty, 1)}; | ||||||
| 7744 | MapValuesArrayTy CurStrides; | ||||||
| 7745 | MapValuesArrayTy DimSizes{llvm::ConstantInt::get(CGF.CGM.Int64Ty, 1)}; | ||||||
| 7746 | uint64_t ElementTypeSize; | ||||||
| 7747 | |||||||
| 7748 | // Collect Size information for each dimension and get the element size as | ||||||
| 7749 | // the first Stride. For example, for `int arr[10][10]`, the DimSizes | ||||||
| 7750 | // should be [10, 10] and the first stride is 4 btyes. | ||||||
| 7751 | for (const OMPClauseMappableExprCommon::MappableComponent &Component : | ||||||
| 7752 | Components) { | ||||||
| 7753 | const Expr *AssocExpr = Component.getAssociatedExpression(); | ||||||
| 7754 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | ||||||
| 7755 | |||||||
| 7756 | if (!OASE) | ||||||
| 7757 | continue; | ||||||
| 7758 | |||||||
| 7759 | QualType Ty = OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||||
| 7760 | auto *CAT = Context.getAsConstantArrayType(Ty); | ||||||
| 7761 | auto *VAT = Context.getAsVariableArrayType(Ty); | ||||||
| 7762 | |||||||
| 7763 | // We need all the dimension size except for the last dimension. | ||||||
| 7764 | assert((VAT || CAT || &Component == &*Components.begin()) &&(static_cast <bool> ((VAT || CAT || &Component == & *Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? void (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7766, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7765 | "Should be either ConstantArray or VariableArray if not the "(static_cast <bool> ((VAT || CAT || &Component == & *Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? void (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7766, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7766 | "first Component")(static_cast <bool> ((VAT || CAT || &Component == & *Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? void (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7766, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7767 | |||||||
| 7768 | // Get element size if CurStrides is empty. | ||||||
| 7769 | if (CurStrides.empty()) { | ||||||
| 7770 | const Type *ElementType = nullptr; | ||||||
| 7771 | if (CAT) | ||||||
| 7772 | ElementType = CAT->getElementType().getTypePtr(); | ||||||
| 7773 | else if (VAT) | ||||||
| 7774 | ElementType = VAT->getElementType().getTypePtr(); | ||||||
| 7775 | else | ||||||
| 7776 | assert(&Component == &*Components.begin() &&(static_cast <bool> (&Component == &*Components .begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? void (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7778, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7777 | "Only expect pointer (non CAT or VAT) when this is the "(static_cast <bool> (&Component == &*Components .begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? void (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7778, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 7778 | "first Component")(static_cast <bool> (&Component == &*Components .begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? void (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7778, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7779 | // If ElementType is null, then it means the base is a pointer | ||||||
| 7780 | // (neither CAT nor VAT) and we'll attempt to get ElementType again | ||||||
| 7781 | // for next iteration. | ||||||
| 7782 | if (ElementType) { | ||||||
| 7783 | // For the case that having pointer as base, we need to remove one | ||||||
| 7784 | // level of indirection. | ||||||
| 7785 | if (&Component != &*Components.begin()) | ||||||
| 7786 | ElementType = ElementType->getPointeeOrArrayElementType(); | ||||||
| 7787 | ElementTypeSize = | ||||||
| 7788 | Context.getTypeSizeInChars(ElementType).getQuantity(); | ||||||
| 7789 | CurStrides.push_back( | ||||||
| 7790 | llvm::ConstantInt::get(CGF.Int64Ty, ElementTypeSize)); | ||||||
| 7791 | } | ||||||
| 7792 | } | ||||||
| 7793 | // Get dimension value except for the last dimension since we don't need | ||||||
| 7794 | // it. | ||||||
| 7795 | if (DimSizes.size() < Components.size() - 1) { | ||||||
| 7796 | if (CAT) | ||||||
| 7797 | DimSizes.push_back(llvm::ConstantInt::get( | ||||||
| 7798 | CGF.Int64Ty, CAT->getSize().getZExtValue())); | ||||||
| 7799 | else if (VAT) | ||||||
| 7800 | DimSizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 7801 | CGF.EmitScalarExpr(VAT->getSizeExpr()), CGF.Int64Ty, | ||||||
| 7802 | /*IsSigned=*/false)); | ||||||
| 7803 | } | ||||||
| 7804 | } | ||||||
| 7805 | |||||||
| 7806 | // Skip the dummy dimension since we have already have its information. | ||||||
| 7807 | auto *DI = DimSizes.begin() + 1; | ||||||
| 7808 | // Product of dimension. | ||||||
| 7809 | llvm::Value *DimProd = | ||||||
| 7810 | llvm::ConstantInt::get(CGF.CGM.Int64Ty, ElementTypeSize); | ||||||
| 7811 | |||||||
| 7812 | // Collect info for non-contiguous. Notice that offset, count, and stride | ||||||
| 7813 | // are only meaningful for array-section, so we insert a null for anything | ||||||
| 7814 | // other than array-section. | ||||||
| 7815 | // Also, the size of offset, count, and stride are not the same as | ||||||
| 7816 | // pointers, base_pointers, sizes, or dims. Instead, the size of offset, | ||||||
| 7817 | // count, and stride are the same as the number of non-contiguous | ||||||
| 7818 | // declaration in target update to/from clause. | ||||||
| 7819 | for (const OMPClauseMappableExprCommon::MappableComponent &Component : | ||||||
| 7820 | Components) { | ||||||
| 7821 | const Expr *AssocExpr = Component.getAssociatedExpression(); | ||||||
| 7822 | |||||||
| 7823 | if (const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr)) { | ||||||
| 7824 | llvm::Value *Offset = CGF.Builder.CreateIntCast( | ||||||
| 7825 | CGF.EmitScalarExpr(AE->getIdx()), CGF.Int64Ty, | ||||||
| 7826 | /*isSigned=*/false); | ||||||
| 7827 | CurOffsets.push_back(Offset); | ||||||
| 7828 | CurCounts.push_back(llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/1)); | ||||||
| 7829 | CurStrides.push_back(CurStrides.back()); | ||||||
| 7830 | continue; | ||||||
| 7831 | } | ||||||
| 7832 | |||||||
| 7833 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | ||||||
| 7834 | |||||||
| 7835 | if (!OASE) | ||||||
| 7836 | continue; | ||||||
| 7837 | |||||||
| 7838 | // Offset | ||||||
| 7839 | const Expr *OffsetExpr = OASE->getLowerBound(); | ||||||
| 7840 | llvm::Value *Offset = nullptr; | ||||||
| 7841 | if (!OffsetExpr) { | ||||||
| 7842 | // If offset is absent, then we just set it to zero. | ||||||
| 7843 | Offset = llvm::ConstantInt::get(CGF.Int64Ty, 0); | ||||||
| 7844 | } else { | ||||||
| 7845 | Offset = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(OffsetExpr), | ||||||
| 7846 | CGF.Int64Ty, | ||||||
| 7847 | /*isSigned=*/false); | ||||||
| 7848 | } | ||||||
| 7849 | CurOffsets.push_back(Offset); | ||||||
| 7850 | |||||||
| 7851 | // Count | ||||||
| 7852 | const Expr *CountExpr = OASE->getLength(); | ||||||
| 7853 | llvm::Value *Count = nullptr; | ||||||
| 7854 | if (!CountExpr) { | ||||||
| 7855 | // In Clang, once a high dimension is an array section, we construct all | ||||||
| 7856 | // the lower dimension as array section, however, for case like | ||||||
| 7857 | // arr[0:2][2], Clang construct the inner dimension as an array section | ||||||
| 7858 | // but it actually is not in an array section form according to spec. | ||||||
| 7859 | if (!OASE->getColonLocFirst().isValid() && | ||||||
| 7860 | !OASE->getColonLocSecond().isValid()) { | ||||||
| 7861 | Count = llvm::ConstantInt::get(CGF.Int64Ty, 1); | ||||||
| 7862 | } else { | ||||||
| 7863 | // OpenMP 5.0, 2.1.5 Array Sections, Description. | ||||||
| 7864 | // When the length is absent it defaults to ⌈(size − | ||||||
| 7865 | // lower-bound)/stride⌉, where size is the size of the array | ||||||
| 7866 | // dimension. | ||||||
| 7867 | const Expr *StrideExpr = OASE->getStride(); | ||||||
| 7868 | llvm::Value *Stride = | ||||||
| 7869 | StrideExpr | ||||||
| 7870 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(StrideExpr), | ||||||
| 7871 | CGF.Int64Ty, /*isSigned=*/false) | ||||||
| 7872 | : nullptr; | ||||||
| 7873 | if (Stride) | ||||||
| 7874 | Count = CGF.Builder.CreateUDiv( | ||||||
| 7875 | CGF.Builder.CreateNUWSub(*DI, Offset), Stride); | ||||||
| 7876 | else | ||||||
| 7877 | Count = CGF.Builder.CreateNUWSub(*DI, Offset); | ||||||
| 7878 | } | ||||||
| 7879 | } else { | ||||||
| 7880 | Count = CGF.EmitScalarExpr(CountExpr); | ||||||
| 7881 | } | ||||||
| 7882 | Count = CGF.Builder.CreateIntCast(Count, CGF.Int64Ty, /*isSigned=*/false); | ||||||
| 7883 | CurCounts.push_back(Count); | ||||||
| 7884 | |||||||
| 7885 | // Stride_n' = Stride_n * (D_0 * D_1 ... * D_n-1) * Unit size | ||||||
| 7886 | // Take `int arr[5][5][5]` and `arr[0:2:2][1:2:1][0:2:2]` as an example: | ||||||
| 7887 | // Offset Count Stride | ||||||
| 7888 | // D0 0 1 4 (int) <- dummy dimension | ||||||
| 7889 | // D1 0 2 8 (2 * (1) * 4) | ||||||
| 7890 | // D2 1 2 20 (1 * (1 * 5) * 4) | ||||||
| 7891 | // D3 0 2 200 (2 * (1 * 5 * 4) * 4) | ||||||
| 7892 | const Expr *StrideExpr = OASE->getStride(); | ||||||
| 7893 | llvm::Value *Stride = | ||||||
| 7894 | StrideExpr | ||||||
| 7895 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(StrideExpr), | ||||||
| 7896 | CGF.Int64Ty, /*isSigned=*/false) | ||||||
| 7897 | : nullptr; | ||||||
| 7898 | DimProd = CGF.Builder.CreateNUWMul(DimProd, *(DI - 1)); | ||||||
| 7899 | if (Stride) | ||||||
| 7900 | CurStrides.push_back(CGF.Builder.CreateNUWMul(DimProd, Stride)); | ||||||
| 7901 | else | ||||||
| 7902 | CurStrides.push_back(DimProd); | ||||||
| 7903 | if (DI != DimSizes.end()) | ||||||
| 7904 | ++DI; | ||||||
| 7905 | } | ||||||
| 7906 | |||||||
| 7907 | CombinedInfo.NonContigInfo.Offsets.push_back(CurOffsets); | ||||||
| 7908 | CombinedInfo.NonContigInfo.Counts.push_back(CurCounts); | ||||||
| 7909 | CombinedInfo.NonContigInfo.Strides.push_back(CurStrides); | ||||||
| 7910 | } | ||||||
| 7911 | |||||||
| 7912 | /// Return the adjusted map modifiers if the declaration a capture refers to | ||||||
| 7913 | /// appears in a first-private clause. This is expected to be used only with | ||||||
| 7914 | /// directives that start with 'target'. | ||||||
| 7915 | OpenMPOffloadMappingFlags | ||||||
| 7916 | getMapModifiersForPrivateClauses(const CapturedStmt::Capture &Cap) const { | ||||||
| 7917 | assert(Cap.capturesVariable() && "Expected capture by reference only!")(static_cast <bool> (Cap.capturesVariable() && "Expected capture by reference only!" ) ? void (0) : __assert_fail ("Cap.capturesVariable() && \"Expected capture by reference only!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 7917, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 7918 | |||||||
| 7919 | // A first private variable captured by reference will use only the | ||||||
| 7920 | // 'private ptr' and 'map to' flag. Return the right flags if the captured | ||||||
| 7921 | // declaration is known as first-private in this handler. | ||||||
| 7922 | if (FirstPrivateDecls.count(Cap.getCapturedVar())) { | ||||||
| 7923 | if (Cap.getCapturedVar()->getType()->isAnyPointerType()) | ||||||
| 7924 | return OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 7925 | OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ; | ||||||
| 7926 | return OpenMPOffloadMappingFlags::OMP_MAP_PRIVATE | | ||||||
| 7927 | OpenMPOffloadMappingFlags::OMP_MAP_TO; | ||||||
| 7928 | } | ||||||
| 7929 | auto I = LambdasMap.find(Cap.getCapturedVar()->getCanonicalDecl()); | ||||||
| 7930 | if (I != LambdasMap.end()) | ||||||
| 7931 | // for map(to: lambda): using user specified map type. | ||||||
| 7932 | return getMapTypeBits( | ||||||
| 7933 | I->getSecond()->getMapType(), I->getSecond()->getMapTypeModifiers(), | ||||||
| 7934 | /*MotionModifiers=*/std::nullopt, I->getSecond()->isImplicit(), | ||||||
| 7935 | /*AddPtrFlag=*/false, | ||||||
| 7936 | /*AddIsTargetParamFlag=*/false, | ||||||
| 7937 | /*isNonContiguous=*/false); | ||||||
| 7938 | return OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 7939 | OpenMPOffloadMappingFlags::OMP_MAP_FROM; | ||||||
| 7940 | } | ||||||
| 7941 | |||||||
| 7942 | static OpenMPOffloadMappingFlags getMemberOfFlag(unsigned Position) { | ||||||
| 7943 | // Rotate by getFlagMemberOffset() bits. | ||||||
| 7944 | return static_cast<OpenMPOffloadMappingFlags>(((uint64_t)Position + 1) | ||||||
| 7945 | << getFlagMemberOffset()); | ||||||
| 7946 | } | ||||||
| 7947 | |||||||
| 7948 | static void setCorrectMemberOfFlag(OpenMPOffloadMappingFlags &Flags, | ||||||
| 7949 | OpenMPOffloadMappingFlags MemberOfFlag) { | ||||||
| 7950 | // If the entry is PTR_AND_OBJ but has not been marked with the special | ||||||
| 7951 | // placeholder value 0xFFFF in the MEMBER_OF field, then it should not be | ||||||
| 7952 | // marked as MEMBER_OF. | ||||||
| 7953 | if (static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 7954 | Flags & OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ) && | ||||||
| 7955 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 7956 | (Flags & OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF) != | ||||||
| 7957 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF)) | ||||||
| 7958 | return; | ||||||
| 7959 | |||||||
| 7960 | // Reset the placeholder value to prepare the flag for the assignment of the | ||||||
| 7961 | // proper MEMBER_OF value. | ||||||
| 7962 | Flags &= ~OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF; | ||||||
| 7963 | Flags |= MemberOfFlag; | ||||||
| 7964 | } | ||||||
| 7965 | |||||||
| 7966 | void getPlainLayout(const CXXRecordDecl *RD, | ||||||
| 7967 | llvm::SmallVectorImpl<const FieldDecl *> &Layout, | ||||||
| 7968 | bool AsBase) const { | ||||||
| 7969 | const CGRecordLayout &RL = CGF.getTypes().getCGRecordLayout(RD); | ||||||
| 7970 | |||||||
| 7971 | llvm::StructType *St = | ||||||
| 7972 | AsBase ? RL.getBaseSubobjectLLVMType() : RL.getLLVMType(); | ||||||
| 7973 | |||||||
| 7974 | unsigned NumElements = St->getNumElements(); | ||||||
| 7975 | llvm::SmallVector< | ||||||
| 7976 | llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *>, 4> | ||||||
| 7977 | RecordLayout(NumElements); | ||||||
| 7978 | |||||||
| 7979 | // Fill bases. | ||||||
| 7980 | for (const auto &I : RD->bases()) { | ||||||
| 7981 | if (I.isVirtual()) | ||||||
| 7982 | continue; | ||||||
| 7983 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | ||||||
| 7984 | // Ignore empty bases. | ||||||
| 7985 | if (Base->isEmpty() || CGF.getContext() | ||||||
| 7986 | .getASTRecordLayout(Base) | ||||||
| 7987 | .getNonVirtualSize() | ||||||
| 7988 | .isZero()) | ||||||
| 7989 | continue; | ||||||
| 7990 | |||||||
| 7991 | unsigned FieldIndex = RL.getNonVirtualBaseLLVMFieldNo(Base); | ||||||
| 7992 | RecordLayout[FieldIndex] = Base; | ||||||
| 7993 | } | ||||||
| 7994 | // Fill in virtual bases. | ||||||
| 7995 | for (const auto &I : RD->vbases()) { | ||||||
| 7996 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | ||||||
| 7997 | // Ignore empty bases. | ||||||
| 7998 | if (Base->isEmpty()) | ||||||
| 7999 | continue; | ||||||
| 8000 | unsigned FieldIndex = RL.getVirtualBaseIndex(Base); | ||||||
| 8001 | if (RecordLayout[FieldIndex]) | ||||||
| 8002 | continue; | ||||||
| 8003 | RecordLayout[FieldIndex] = Base; | ||||||
| 8004 | } | ||||||
| 8005 | // Fill in all the fields. | ||||||
| 8006 | assert(!RD->isUnion() && "Unexpected union.")(static_cast <bool> (!RD->isUnion() && "Unexpected union." ) ? void (0) : __assert_fail ("!RD->isUnion() && \"Unexpected union.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8006, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8007 | for (const auto *Field : RD->fields()) { | ||||||
| 8008 | // Fill in non-bitfields. (Bitfields always use a zero pattern, which we | ||||||
| 8009 | // will fill in later.) | ||||||
| 8010 | if (!Field->isBitField() && !Field->isZeroSize(CGF.getContext())) { | ||||||
| 8011 | unsigned FieldIndex = RL.getLLVMFieldNo(Field); | ||||||
| 8012 | RecordLayout[FieldIndex] = Field; | ||||||
| 8013 | } | ||||||
| 8014 | } | ||||||
| 8015 | for (const llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *> | ||||||
| 8016 | &Data : RecordLayout) { | ||||||
| 8017 | if (Data.isNull()) | ||||||
| 8018 | continue; | ||||||
| 8019 | if (const auto *Base = Data.dyn_cast<const CXXRecordDecl *>()) | ||||||
| 8020 | getPlainLayout(Base, Layout, /*AsBase=*/true); | ||||||
| 8021 | else | ||||||
| 8022 | Layout.push_back(Data.get<const FieldDecl *>()); | ||||||
| 8023 | } | ||||||
| 8024 | } | ||||||
| 8025 | |||||||
| 8026 | /// Generate all the base pointers, section pointers, sizes, map types, and | ||||||
| 8027 | /// mappers for the extracted mappable expressions (all included in \a | ||||||
| 8028 | /// CombinedInfo). Also, for each item that relates with a device pointer, a | ||||||
| 8029 | /// pair of the relevant declaration and index where it occurs is appended to | ||||||
| 8030 | /// the device pointers info array. | ||||||
| 8031 | void generateAllInfoForClauses( | ||||||
| 8032 | ArrayRef<const OMPClause *> Clauses, MapCombinedInfoTy &CombinedInfo, | ||||||
| 8033 | const llvm::DenseSet<CanonicalDeclPtr<const Decl>> &SkipVarSet = | ||||||
| 8034 | llvm::DenseSet<CanonicalDeclPtr<const Decl>>()) const { | ||||||
| 8035 | // We have to process the component lists that relate with the same | ||||||
| 8036 | // declaration in a single chunk so that we can generate the map flags | ||||||
| 8037 | // correctly. Therefore, we organize all lists in a map. | ||||||
| 8038 | enum MapKind { Present, Allocs, Other, Total }; | ||||||
| 8039 | llvm::MapVector<CanonicalDeclPtr<const Decl>, | ||||||
| 8040 | SmallVector<SmallVector<MapInfo, 8>, 4>> | ||||||
| 8041 | Info; | ||||||
| 8042 | |||||||
| 8043 | // Helper function to fill the information map for the different supported | ||||||
| 8044 | // clauses. | ||||||
| 8045 | auto &&InfoGen = | ||||||
| 8046 | [&Info, &SkipVarSet]( | ||||||
| 8047 | const ValueDecl *D, MapKind Kind, | ||||||
| 8048 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | ||||||
| 8049 | OpenMPMapClauseKind MapType, | ||||||
| 8050 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||||
| 8051 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||
| 8052 | bool ReturnDevicePointer, bool IsImplicit, const ValueDecl *Mapper, | ||||||
| 8053 | const Expr *VarRef = nullptr, bool ForDeviceAddr = false) { | ||||||
| 8054 | if (SkipVarSet.contains(D)) | ||||||
| 8055 | return; | ||||||
| 8056 | auto It = Info.find(D); | ||||||
| 8057 | if (It == Info.end()) | ||||||
| 8058 | It = Info | ||||||
| 8059 | .insert(std::make_pair( | ||||||
| 8060 | D, SmallVector<SmallVector<MapInfo, 8>, 4>(Total))) | ||||||
| 8061 | .first; | ||||||
| 8062 | It->second[Kind].emplace_back( | ||||||
| 8063 | L, MapType, MapModifiers, MotionModifiers, ReturnDevicePointer, | ||||||
| 8064 | IsImplicit, Mapper, VarRef, ForDeviceAddr); | ||||||
| 8065 | }; | ||||||
| 8066 | |||||||
| 8067 | for (const auto *Cl : Clauses) { | ||||||
| 8068 | const auto *C = dyn_cast<OMPMapClause>(Cl); | ||||||
| 8069 | if (!C) | ||||||
| 8070 | continue; | ||||||
| 8071 | MapKind Kind = Other; | ||||||
| 8072 | if (llvm::is_contained(C->getMapTypeModifiers(), | ||||||
| 8073 | OMPC_MAP_MODIFIER_present)) | ||||||
| 8074 | Kind = Present; | ||||||
| 8075 | else if (C->getMapType() == OMPC_MAP_alloc) | ||||||
| 8076 | Kind = Allocs; | ||||||
| 8077 | const auto *EI = C->getVarRefs().begin(); | ||||||
| 8078 | for (const auto L : C->component_lists()) { | ||||||
| 8079 | const Expr *E = (C->getMapLoc().isValid()) ? *EI : nullptr; | ||||||
| 8080 | InfoGen(std::get<0>(L), Kind, std::get<1>(L), C->getMapType(), | ||||||
| 8081 | C->getMapTypeModifiers(), std::nullopt, | ||||||
| 8082 | /*ReturnDevicePointer=*/false, C->isImplicit(), std::get<2>(L), | ||||||
| 8083 | E); | ||||||
| 8084 | ++EI; | ||||||
| 8085 | } | ||||||
| 8086 | } | ||||||
| 8087 | for (const auto *Cl : Clauses) { | ||||||
| 8088 | const auto *C = dyn_cast<OMPToClause>(Cl); | ||||||
| 8089 | if (!C) | ||||||
| 8090 | continue; | ||||||
| 8091 | MapKind Kind = Other; | ||||||
| 8092 | if (llvm::is_contained(C->getMotionModifiers(), | ||||||
| 8093 | OMPC_MOTION_MODIFIER_present)) | ||||||
| 8094 | Kind = Present; | ||||||
| 8095 | const auto *EI = C->getVarRefs().begin(); | ||||||
| 8096 | for (const auto L : C->component_lists()) { | ||||||
| 8097 | InfoGen(std::get<0>(L), Kind, std::get<1>(L), OMPC_MAP_to, std::nullopt, | ||||||
| 8098 | C->getMotionModifiers(), /*ReturnDevicePointer=*/false, | ||||||
| 8099 | C->isImplicit(), std::get<2>(L), *EI); | ||||||
| 8100 | ++EI; | ||||||
| 8101 | } | ||||||
| 8102 | } | ||||||
| 8103 | for (const auto *Cl : Clauses) { | ||||||
| 8104 | const auto *C = dyn_cast<OMPFromClause>(Cl); | ||||||
| 8105 | if (!C) | ||||||
| 8106 | continue; | ||||||
| 8107 | MapKind Kind = Other; | ||||||
| 8108 | if (llvm::is_contained(C->getMotionModifiers(), | ||||||
| 8109 | OMPC_MOTION_MODIFIER_present)) | ||||||
| 8110 | Kind = Present; | ||||||
| 8111 | const auto *EI = C->getVarRefs().begin(); | ||||||
| 8112 | for (const auto L : C->component_lists()) { | ||||||
| 8113 | InfoGen(std::get<0>(L), Kind, std::get<1>(L), OMPC_MAP_from, | ||||||
| 8114 | std::nullopt, C->getMotionModifiers(), | ||||||
| 8115 | /*ReturnDevicePointer=*/false, C->isImplicit(), std::get<2>(L), | ||||||
| 8116 | *EI); | ||||||
| 8117 | ++EI; | ||||||
| 8118 | } | ||||||
| 8119 | } | ||||||
| 8120 | |||||||
| 8121 | // Look at the use_device_ptr and use_device_addr clauses information and | ||||||
| 8122 | // mark the existing map entries as such. If there is no map information for | ||||||
| 8123 | // an entry in the use_device_ptr and use_device_addr list, we create one | ||||||
| 8124 | // with map type 'alloc' and zero size section. It is the user fault if that | ||||||
| 8125 | // was not mapped before. If there is no map information and the pointer is | ||||||
| 8126 | // a struct member, then we defer the emission of that entry until the whole | ||||||
| 8127 | // struct has been processed. | ||||||
| 8128 | llvm::MapVector<CanonicalDeclPtr<const Decl>, | ||||||
| 8129 | SmallVector<DeferredDevicePtrEntryTy, 4>> | ||||||
| 8130 | DeferredInfo; | ||||||
| 8131 | MapCombinedInfoTy UseDeviceDataCombinedInfo; | ||||||
| 8132 | |||||||
| 8133 | auto &&UseDeviceDataCombinedInfoGen = | ||||||
| 8134 | [&UseDeviceDataCombinedInfo](const ValueDecl *VD, llvm::Value *Ptr, | ||||||
| 8135 | CodeGenFunction &CGF) { | ||||||
| 8136 | UseDeviceDataCombinedInfo.Exprs.push_back(VD); | ||||||
| 8137 | UseDeviceDataCombinedInfo.BasePointers.emplace_back(Ptr); | ||||||
| 8138 | UseDeviceDataCombinedInfo.DevicePtrDecls.emplace_back(VD); | ||||||
| 8139 | UseDeviceDataCombinedInfo.Pointers.push_back(Ptr); | ||||||
| 8140 | UseDeviceDataCombinedInfo.Sizes.push_back( | ||||||
| 8141 | llvm::Constant::getNullValue(CGF.Int64Ty)); | ||||||
| 8142 | UseDeviceDataCombinedInfo.Types.push_back( | ||||||
| 8143 | OpenMPOffloadMappingFlags::OMP_MAP_RETURN_PARAM); | ||||||
| 8144 | UseDeviceDataCombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8145 | }; | ||||||
| 8146 | |||||||
| 8147 | auto &&MapInfoGen = | ||||||
| 8148 | [&DeferredInfo, &UseDeviceDataCombinedInfoGen, | ||||||
| 8149 | &InfoGen](CodeGenFunction &CGF, const Expr *IE, const ValueDecl *VD, | ||||||
| 8150 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||
| 8151 | Components, | ||||||
| 8152 | bool IsImplicit, bool IsDevAddr) { | ||||||
| 8153 | // We didn't find any match in our map information - generate a zero | ||||||
| 8154 | // size array section - if the pointer is a struct member we defer | ||||||
| 8155 | // this action until the whole struct has been processed. | ||||||
| 8156 | if (isa<MemberExpr>(IE)) { | ||||||
| 8157 | // Insert the pointer into Info to be processed by | ||||||
| 8158 | // generateInfoForComponentList. Because it is a member pointer | ||||||
| 8159 | // without a pointee, no entry will be generated for it, therefore | ||||||
| 8160 | // we need to generate one after the whole struct has been | ||||||
| 8161 | // processed. Nonetheless, generateInfoForComponentList must be | ||||||
| 8162 | // called to take the pointer into account for the calculation of | ||||||
| 8163 | // the range of the partial struct. | ||||||
| 8164 | InfoGen(nullptr, Other, Components, OMPC_MAP_unknown, std::nullopt, | ||||||
| 8165 | std::nullopt, /*ReturnDevicePointer=*/false, IsImplicit, | ||||||
| 8166 | nullptr, nullptr, IsDevAddr); | ||||||
| 8167 | DeferredInfo[nullptr].emplace_back(IE, VD, IsDevAddr); | ||||||
| 8168 | } else { | ||||||
| 8169 | llvm::Value *Ptr; | ||||||
| 8170 | if (IsDevAddr) { | ||||||
| 8171 | if (IE->isGLValue()) | ||||||
| 8172 | Ptr = CGF.EmitLValue(IE).getPointer(CGF); | ||||||
| 8173 | else | ||||||
| 8174 | Ptr = CGF.EmitScalarExpr(IE); | ||||||
| 8175 | } else { | ||||||
| 8176 | Ptr = CGF.EmitLoadOfScalar(CGF.EmitLValue(IE), IE->getExprLoc()); | ||||||
| 8177 | } | ||||||
| 8178 | UseDeviceDataCombinedInfoGen(VD, Ptr, CGF); | ||||||
| 8179 | } | ||||||
| 8180 | }; | ||||||
| 8181 | |||||||
| 8182 | auto &&IsMapInfoExist = [&Info](CodeGenFunction &CGF, const ValueDecl *VD, | ||||||
| 8183 | const Expr *IE, bool IsDevAddr) -> bool { | ||||||
| 8184 | // We potentially have map information for this declaration already. | ||||||
| 8185 | // Look for the first set of components that refer to it. If found, | ||||||
| 8186 | // return true. | ||||||
| 8187 | // If the first component is a member expression, we have to look into | ||||||
| 8188 | // 'this', which maps to null in the map of map information. Otherwise | ||||||
| 8189 | // look directly for the information. | ||||||
| 8190 | auto It = Info.find(isa<MemberExpr>(IE) ? nullptr : VD); | ||||||
| 8191 | if (It != Info.end()) { | ||||||
| 8192 | bool Found = false; | ||||||
| 8193 | for (auto &Data : It->second) { | ||||||
| 8194 | auto *CI = llvm::find_if(Data, [VD](const MapInfo &MI) { | ||||||
| 8195 | return MI.Components.back().getAssociatedDeclaration() == VD; | ||||||
| 8196 | }); | ||||||
| 8197 | // If we found a map entry, signal that the pointer has to be | ||||||
| 8198 | // returned and move on to the next declaration. Exclude cases where | ||||||
| 8199 | // the base pointer is mapped as array subscript, array section or | ||||||
| 8200 | // array shaping. The base address is passed as a pointer to base in | ||||||
| 8201 | // this case and cannot be used as a base for use_device_ptr list | ||||||
| 8202 | // item. | ||||||
| 8203 | if (CI != Data.end()) { | ||||||
| 8204 | if (IsDevAddr) { | ||||||
| 8205 | CI->ReturnDevicePointer = true; | ||||||
| 8206 | Found = true; | ||||||
| 8207 | break; | ||||||
| 8208 | } else { | ||||||
| 8209 | auto PrevCI = std::next(CI->Components.rbegin()); | ||||||
| 8210 | const auto *VarD = dyn_cast<VarDecl>(VD); | ||||||
| 8211 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | ||||||
| 8212 | isa<MemberExpr>(IE) || | ||||||
| 8213 | !VD->getType().getNonReferenceType()->isPointerType() || | ||||||
| 8214 | PrevCI == CI->Components.rend() || | ||||||
| 8215 | isa<MemberExpr>(PrevCI->getAssociatedExpression()) || !VarD || | ||||||
| 8216 | VarD->hasLocalStorage()) { | ||||||
| 8217 | CI->ReturnDevicePointer = true; | ||||||
| 8218 | Found = true; | ||||||
| 8219 | break; | ||||||
| 8220 | } | ||||||
| 8221 | } | ||||||
| 8222 | } | ||||||
| 8223 | } | ||||||
| 8224 | return Found; | ||||||
| 8225 | } | ||||||
| 8226 | return false; | ||||||
| 8227 | }; | ||||||
| 8228 | |||||||
| 8229 | // Look at the use_device_ptr clause information and mark the existing map | ||||||
| 8230 | // entries as such. If there is no map information for an entry in the | ||||||
| 8231 | // use_device_ptr list, we create one with map type 'alloc' and zero size | ||||||
| 8232 | // section. It is the user fault if that was not mapped before. If there is | ||||||
| 8233 | // no map information and the pointer is a struct member, then we defer the | ||||||
| 8234 | // emission of that entry until the whole struct has been processed. | ||||||
| 8235 | for (const auto *Cl : Clauses) { | ||||||
| 8236 | const auto *C = dyn_cast<OMPUseDevicePtrClause>(Cl); | ||||||
| 8237 | if (!C) | ||||||
| 8238 | continue; | ||||||
| 8239 | for (const auto L : C->component_lists()) { | ||||||
| 8240 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components = | ||||||
| 8241 | std::get<1>(L); | ||||||
| 8242 | assert(!Components.empty() &&(static_cast <bool> (!Components.empty() && "Not expecting empty list of components!" ) ? void (0) : __assert_fail ("!Components.empty() && \"Not expecting empty list of components!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8243, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8243 | "Not expecting empty list of components!")(static_cast <bool> (!Components.empty() && "Not expecting empty list of components!" ) ? void (0) : __assert_fail ("!Components.empty() && \"Not expecting empty list of components!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8243, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8244 | const ValueDecl *VD = Components.back().getAssociatedDeclaration(); | ||||||
| 8245 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | ||||||
| 8246 | const Expr *IE = Components.back().getAssociatedExpression(); | ||||||
| 8247 | if (IsMapInfoExist(CGF, VD, IE, /*IsDevAddr=*/false)) | ||||||
| 8248 | continue; | ||||||
| 8249 | MapInfoGen(CGF, IE, VD, Components, C->isImplicit(), | ||||||
| 8250 | /*IsDevAddr=*/false); | ||||||
| 8251 | } | ||||||
| 8252 | } | ||||||
| 8253 | |||||||
| 8254 | llvm::SmallDenseSet<CanonicalDeclPtr<const Decl>, 4> Processed; | ||||||
| 8255 | for (const auto *Cl : Clauses) { | ||||||
| 8256 | const auto *C = dyn_cast<OMPUseDeviceAddrClause>(Cl); | ||||||
| 8257 | if (!C) | ||||||
| 8258 | continue; | ||||||
| 8259 | for (const auto L : C->component_lists()) { | ||||||
| 8260 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components = | ||||||
| 8261 | std::get<1>(L); | ||||||
| 8262 | assert(!std::get<1>(L).empty() &&(static_cast <bool> (!std::get<1>(L).empty() && "Not expecting empty list of components!") ? void (0) : __assert_fail ("!std::get<1>(L).empty() && \"Not expecting empty list of components!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8263, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8263 | "Not expecting empty list of components!")(static_cast <bool> (!std::get<1>(L).empty() && "Not expecting empty list of components!") ? void (0) : __assert_fail ("!std::get<1>(L).empty() && \"Not expecting empty list of components!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8263, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8264 | const ValueDecl *VD = std::get<1>(L).back().getAssociatedDeclaration(); | ||||||
| 8265 | if (!Processed.insert(VD).second) | ||||||
| 8266 | continue; | ||||||
| 8267 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | ||||||
| 8268 | const Expr *IE = std::get<1>(L).back().getAssociatedExpression(); | ||||||
| 8269 | if (IsMapInfoExist(CGF, VD, IE, /*IsDevAddr=*/true)) | ||||||
| 8270 | continue; | ||||||
| 8271 | MapInfoGen(CGF, IE, VD, Components, C->isImplicit(), | ||||||
| 8272 | /*IsDevAddr=*/true); | ||||||
| 8273 | } | ||||||
| 8274 | } | ||||||
| 8275 | |||||||
| 8276 | for (const auto &Data : Info) { | ||||||
| 8277 | StructRangeInfoTy PartialStruct; | ||||||
| 8278 | // Temporary generated information. | ||||||
| 8279 | MapCombinedInfoTy CurInfo; | ||||||
| 8280 | const Decl *D = Data.first; | ||||||
| 8281 | const ValueDecl *VD = cast_or_null<ValueDecl>(D); | ||||||
| 8282 | for (const auto &M : Data.second) { | ||||||
| 8283 | for (const MapInfo &L : M) { | ||||||
| 8284 | assert(!L.Components.empty() &&(static_cast <bool> (!L.Components.empty() && "Not expecting declaration with no component lists." ) ? void (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8285, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8285 | "Not expecting declaration with no component lists.")(static_cast <bool> (!L.Components.empty() && "Not expecting declaration with no component lists." ) ? void (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8285, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8286 | |||||||
| 8287 | // Remember the current base pointer index. | ||||||
| 8288 | unsigned CurrentBasePointersIdx = CurInfo.BasePointers.size(); | ||||||
| 8289 | CurInfo.NonContigInfo.IsNonContiguous = | ||||||
| 8290 | L.Components.back().isNonContiguous(); | ||||||
| 8291 | generateInfoForComponentList( | ||||||
| 8292 | L.MapType, L.MapModifiers, L.MotionModifiers, L.Components, | ||||||
| 8293 | CurInfo, PartialStruct, /*IsFirstComponentList=*/false, | ||||||
| 8294 | L.IsImplicit, L.Mapper, L.ForDeviceAddr, VD, L.VarRef); | ||||||
| 8295 | |||||||
| 8296 | // If this entry relates with a device pointer, set the relevant | ||||||
| 8297 | // declaration and add the 'return pointer' flag. | ||||||
| 8298 | if (L.ReturnDevicePointer) { | ||||||
| 8299 | assert(CurInfo.BasePointers.size() > CurrentBasePointersIdx &&(static_cast <bool> (CurInfo.BasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? void (0) : __assert_fail ("CurInfo.BasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8300, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8300 | "Unexpected number of mapped base pointers.")(static_cast <bool> (CurInfo.BasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? void (0) : __assert_fail ("CurInfo.BasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8300, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8301 | |||||||
| 8302 | const ValueDecl *RelevantVD = | ||||||
| 8303 | L.Components.back().getAssociatedDeclaration(); | ||||||
| 8304 | assert(RelevantVD &&(static_cast <bool> (RelevantVD && "No relevant declaration related with device pointer??" ) ? void (0) : __assert_fail ("RelevantVD && \"No relevant declaration related with device pointer??\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8305, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8305 | "No relevant declaration related with device pointer??")(static_cast <bool> (RelevantVD && "No relevant declaration related with device pointer??" ) ? void (0) : __assert_fail ("RelevantVD && \"No relevant declaration related with device pointer??\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8305, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8306 | |||||||
| 8307 | CurInfo.DevicePtrDecls[CurrentBasePointersIdx] = RelevantVD; | ||||||
| 8308 | CurInfo.Types[CurrentBasePointersIdx] |= | ||||||
| 8309 | OpenMPOffloadMappingFlags::OMP_MAP_RETURN_PARAM; | ||||||
| 8310 | } | ||||||
| 8311 | } | ||||||
| 8312 | } | ||||||
| 8313 | |||||||
| 8314 | // Append any pending zero-length pointers which are struct members and | ||||||
| 8315 | // used with use_device_ptr or use_device_addr. | ||||||
| 8316 | auto CI = DeferredInfo.find(Data.first); | ||||||
| 8317 | if (CI != DeferredInfo.end()) { | ||||||
| 8318 | for (const DeferredDevicePtrEntryTy &L : CI->second) { | ||||||
| 8319 | llvm::Value *BasePtr; | ||||||
| 8320 | llvm::Value *Ptr; | ||||||
| 8321 | if (L.ForDeviceAddr) { | ||||||
| 8322 | if (L.IE->isGLValue()) | ||||||
| 8323 | Ptr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | ||||||
| 8324 | else | ||||||
| 8325 | Ptr = this->CGF.EmitScalarExpr(L.IE); | ||||||
| 8326 | BasePtr = Ptr; | ||||||
| 8327 | // Entry is RETURN_PARAM. Also, set the placeholder value | ||||||
| 8328 | // MEMBER_OF=FFFF so that the entry is later updated with the | ||||||
| 8329 | // correct value of MEMBER_OF. | ||||||
| 8330 | CurInfo.Types.push_back( | ||||||
| 8331 | OpenMPOffloadMappingFlags::OMP_MAP_RETURN_PARAM | | ||||||
| 8332 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF); | ||||||
| 8333 | } else { | ||||||
| 8334 | BasePtr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | ||||||
| 8335 | Ptr = this->CGF.EmitLoadOfScalar(this->CGF.EmitLValue(L.IE), | ||||||
| 8336 | L.IE->getExprLoc()); | ||||||
| 8337 | // Entry is PTR_AND_OBJ and RETURN_PARAM. Also, set the | ||||||
| 8338 | // placeholder value MEMBER_OF=FFFF so that the entry is later | ||||||
| 8339 | // updated with the correct value of MEMBER_OF. | ||||||
| 8340 | CurInfo.Types.push_back( | ||||||
| 8341 | OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ | | ||||||
| 8342 | OpenMPOffloadMappingFlags::OMP_MAP_RETURN_PARAM | | ||||||
| 8343 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF); | ||||||
| 8344 | } | ||||||
| 8345 | CurInfo.Exprs.push_back(L.VD); | ||||||
| 8346 | CurInfo.BasePointers.emplace_back(BasePtr); | ||||||
| 8347 | CurInfo.DevicePtrDecls.emplace_back(L.VD); | ||||||
| 8348 | CurInfo.Pointers.push_back(Ptr); | ||||||
| 8349 | CurInfo.Sizes.push_back( | ||||||
| 8350 | llvm::Constant::getNullValue(this->CGF.Int64Ty)); | ||||||
| 8351 | CurInfo.Mappers.push_back(nullptr); | ||||||
| 8352 | } | ||||||
| 8353 | } | ||||||
| 8354 | // If there is an entry in PartialStruct it means we have a struct with | ||||||
| 8355 | // individual members mapped. Emit an extra combined entry. | ||||||
| 8356 | if (PartialStruct.Base.isValid()) { | ||||||
| 8357 | CurInfo.NonContigInfo.Dims.push_back(0); | ||||||
| 8358 | emitCombinedEntry(CombinedInfo, CurInfo.Types, PartialStruct, | ||||||
| 8359 | /*IsMapThis*/ !VD, VD); | ||||||
| 8360 | } | ||||||
| 8361 | |||||||
| 8362 | // We need to append the results of this capture to what we already | ||||||
| 8363 | // have. | ||||||
| 8364 | CombinedInfo.append(CurInfo); | ||||||
| 8365 | } | ||||||
| 8366 | // Append data for use_device_ptr clauses. | ||||||
| 8367 | CombinedInfo.append(UseDeviceDataCombinedInfo); | ||||||
| 8368 | } | ||||||
| 8369 | |||||||
| 8370 | public: | ||||||
| 8371 | MappableExprsHandler(const OMPExecutableDirective &Dir, CodeGenFunction &CGF) | ||||||
| 8372 | : CurDir(&Dir), CGF(CGF) { | ||||||
| 8373 | // Extract firstprivate clause information. | ||||||
| 8374 | for (const auto *C : Dir.getClausesOfKind<OMPFirstprivateClause>()) | ||||||
| 8375 | for (const auto *D : C->varlists()) | ||||||
| 8376 | FirstPrivateDecls.try_emplace( | ||||||
| 8377 | cast<VarDecl>(cast<DeclRefExpr>(D)->getDecl()), C->isImplicit()); | ||||||
| 8378 | // Extract implicit firstprivates from uses_allocators clauses. | ||||||
| 8379 | for (const auto *C : Dir.getClausesOfKind<OMPUsesAllocatorsClause>()) { | ||||||
| 8380 | for (unsigned I = 0, E = C->getNumberOfAllocators(); I < E; ++I) { | ||||||
| 8381 | OMPUsesAllocatorsClause::Data D = C->getAllocatorData(I); | ||||||
| 8382 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(D.AllocatorTraits)) | ||||||
| 8383 | FirstPrivateDecls.try_emplace(cast<VarDecl>(DRE->getDecl()), | ||||||
| 8384 | /*Implicit=*/true); | ||||||
| 8385 | else if (const auto *VD = dyn_cast<VarDecl>( | ||||||
| 8386 | cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()) | ||||||
| 8387 | ->getDecl())) | ||||||
| 8388 | FirstPrivateDecls.try_emplace(VD, /*Implicit=*/true); | ||||||
| 8389 | } | ||||||
| 8390 | } | ||||||
| 8391 | // Extract device pointer clause information. | ||||||
| 8392 | for (const auto *C : Dir.getClausesOfKind<OMPIsDevicePtrClause>()) | ||||||
| 8393 | for (auto L : C->component_lists()) | ||||||
| 8394 | DevPointersMap[std::get<0>(L)].push_back(std::get<1>(L)); | ||||||
| 8395 | // Extract device addr clause information. | ||||||
| 8396 | for (const auto *C : Dir.getClausesOfKind<OMPHasDeviceAddrClause>()) | ||||||
| 8397 | for (auto L : C->component_lists()) | ||||||
| 8398 | HasDevAddrsMap[std::get<0>(L)].push_back(std::get<1>(L)); | ||||||
| 8399 | // Extract map information. | ||||||
| 8400 | for (const auto *C : Dir.getClausesOfKind<OMPMapClause>()) { | ||||||
| 8401 | if (C->getMapType() != OMPC_MAP_to) | ||||||
| 8402 | continue; | ||||||
| 8403 | for (auto L : C->component_lists()) { | ||||||
| 8404 | const ValueDecl *VD = std::get<0>(L); | ||||||
| 8405 | const auto *RD = VD ? VD->getType() | ||||||
| 8406 | .getCanonicalType() | ||||||
| 8407 | .getNonReferenceType() | ||||||
| 8408 | ->getAsCXXRecordDecl() | ||||||
| 8409 | : nullptr; | ||||||
| 8410 | if (RD && RD->isLambda()) | ||||||
| 8411 | LambdasMap.try_emplace(std::get<0>(L), C); | ||||||
| 8412 | } | ||||||
| 8413 | } | ||||||
| 8414 | } | ||||||
| 8415 | |||||||
| 8416 | /// Constructor for the declare mapper directive. | ||||||
| 8417 | MappableExprsHandler(const OMPDeclareMapperDecl &Dir, CodeGenFunction &CGF) | ||||||
| 8418 | : CurDir(&Dir), CGF(CGF) {} | ||||||
| 8419 | |||||||
| 8420 | /// Generate code for the combined entry if we have a partially mapped struct | ||||||
| 8421 | /// and take care of the mapping flags of the arguments corresponding to | ||||||
| 8422 | /// individual struct members. | ||||||
| 8423 | void emitCombinedEntry(MapCombinedInfoTy &CombinedInfo, | ||||||
| 8424 | MapFlagsArrayTy &CurTypes, | ||||||
| 8425 | const StructRangeInfoTy &PartialStruct, bool IsMapThis, | ||||||
| 8426 | const ValueDecl *VD = nullptr, | ||||||
| 8427 | bool NotTargetParams = true) const { | ||||||
| 8428 | if (CurTypes.size() == 1 && | ||||||
| 8429 | ((CurTypes.back() & OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF) != | ||||||
| 8430 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF) && | ||||||
| 8431 | !PartialStruct.IsArraySection) | ||||||
| 8432 | return; | ||||||
| 8433 | Address LBAddr = PartialStruct.LowestElem.second; | ||||||
| 8434 | Address HBAddr = PartialStruct.HighestElem.second; | ||||||
| 8435 | if (PartialStruct.HasCompleteRecord) { | ||||||
| 8436 | LBAddr = PartialStruct.LB; | ||||||
| 8437 | HBAddr = PartialStruct.LB; | ||||||
| 8438 | } | ||||||
| 8439 | CombinedInfo.Exprs.push_back(VD); | ||||||
| 8440 | // Base is the base of the struct | ||||||
| 8441 | CombinedInfo.BasePointers.push_back(PartialStruct.Base.getPointer()); | ||||||
| 8442 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8443 | // Pointer is the address of the lowest element | ||||||
| 8444 | llvm::Value *LB = LBAddr.getPointer(); | ||||||
| 8445 | const CXXMethodDecl *MD = | ||||||
| 8446 | CGF.CurFuncDecl ? dyn_cast<CXXMethodDecl>(CGF.CurFuncDecl) : nullptr; | ||||||
| 8447 | const CXXRecordDecl *RD = MD ? MD->getParent() : nullptr; | ||||||
| 8448 | bool HasBaseClass = RD && IsMapThis ? RD->getNumBases() > 0 : false; | ||||||
| 8449 | // There should not be a mapper for a combined entry. | ||||||
| 8450 | if (HasBaseClass) { | ||||||
| 8451 | // OpenMP 5.2 148:21: | ||||||
| 8452 | // If the target construct is within a class non-static member function, | ||||||
| 8453 | // and a variable is an accessible data member of the object for which the | ||||||
| 8454 | // non-static data member function is invoked, the variable is treated as | ||||||
| 8455 | // if the this[:1] expression had appeared in a map clause with a map-type | ||||||
| 8456 | // of tofrom. | ||||||
| 8457 | // Emit this[:1] | ||||||
| 8458 | CombinedInfo.Pointers.push_back(PartialStruct.Base.getPointer()); | ||||||
| 8459 | QualType Ty = MD->getThisType()->getPointeeType(); | ||||||
| 8460 | llvm::Value *Size = | ||||||
| 8461 | CGF.Builder.CreateIntCast(CGF.getTypeSize(Ty), CGF.Int64Ty, | ||||||
| 8462 | /*isSigned=*/true); | ||||||
| 8463 | CombinedInfo.Sizes.push_back(Size); | ||||||
| 8464 | } else { | ||||||
| 8465 | CombinedInfo.Pointers.push_back(LB); | ||||||
| 8466 | // Size is (addr of {highest+1} element) - (addr of lowest element) | ||||||
| 8467 | llvm::Value *HB = HBAddr.getPointer(); | ||||||
| 8468 | llvm::Value *HAddr = CGF.Builder.CreateConstGEP1_32( | ||||||
| 8469 | HBAddr.getElementType(), HB, /*Idx0=*/1); | ||||||
| 8470 | llvm::Value *CLAddr = CGF.Builder.CreatePointerCast(LB, CGF.VoidPtrTy); | ||||||
| 8471 | llvm::Value *CHAddr = CGF.Builder.CreatePointerCast(HAddr, CGF.VoidPtrTy); | ||||||
| 8472 | llvm::Value *Diff = CGF.Builder.CreatePtrDiff(CGF.Int8Ty, CHAddr, CLAddr); | ||||||
| 8473 | llvm::Value *Size = CGF.Builder.CreateIntCast(Diff, CGF.Int64Ty, | ||||||
| 8474 | /*isSigned=*/false); | ||||||
| 8475 | CombinedInfo.Sizes.push_back(Size); | ||||||
| 8476 | } | ||||||
| 8477 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8478 | // Map type is always TARGET_PARAM, if generate info for captures. | ||||||
| 8479 | CombinedInfo.Types.push_back( | ||||||
| 8480 | NotTargetParams ? OpenMPOffloadMappingFlags::OMP_MAP_NONE | ||||||
| 8481 | : OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM); | ||||||
| 8482 | // If any element has the present modifier, then make sure the runtime | ||||||
| 8483 | // doesn't attempt to allocate the struct. | ||||||
| 8484 | if (CurTypes.end() != | ||||||
| 8485 | llvm::find_if(CurTypes, [](OpenMPOffloadMappingFlags Type) { | ||||||
| 8486 | return static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 8487 | Type & OpenMPOffloadMappingFlags::OMP_MAP_PRESENT); | ||||||
| 8488 | })) | ||||||
| 8489 | CombinedInfo.Types.back() |= OpenMPOffloadMappingFlags::OMP_MAP_PRESENT; | ||||||
| 8490 | // Remove TARGET_PARAM flag from the first element | ||||||
| 8491 | (*CurTypes.begin()) &= ~OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM; | ||||||
| 8492 | // If any element has the ompx_hold modifier, then make sure the runtime | ||||||
| 8493 | // uses the hold reference count for the struct as a whole so that it won't | ||||||
| 8494 | // be unmapped by an extra dynamic reference count decrement. Add it to all | ||||||
| 8495 | // elements as well so the runtime knows which reference count to check | ||||||
| 8496 | // when determining whether it's time for device-to-host transfers of | ||||||
| 8497 | // individual elements. | ||||||
| 8498 | if (CurTypes.end() != | ||||||
| 8499 | llvm::find_if(CurTypes, [](OpenMPOffloadMappingFlags Type) { | ||||||
| 8500 | return static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 8501 | Type & OpenMPOffloadMappingFlags::OMP_MAP_OMPX_HOLD); | ||||||
| 8502 | })) { | ||||||
| 8503 | CombinedInfo.Types.back() |= OpenMPOffloadMappingFlags::OMP_MAP_OMPX_HOLD; | ||||||
| 8504 | for (auto &M : CurTypes) | ||||||
| 8505 | M |= OpenMPOffloadMappingFlags::OMP_MAP_OMPX_HOLD; | ||||||
| 8506 | } | ||||||
| 8507 | |||||||
| 8508 | // All other current entries will be MEMBER_OF the combined entry | ||||||
| 8509 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | ||||||
| 8510 | // 0xFFFF in the MEMBER_OF field). | ||||||
| 8511 | OpenMPOffloadMappingFlags MemberOfFlag = | ||||||
| 8512 | getMemberOfFlag(CombinedInfo.BasePointers.size() - 1); | ||||||
| 8513 | for (auto &M : CurTypes) | ||||||
| 8514 | setCorrectMemberOfFlag(M, MemberOfFlag); | ||||||
| 8515 | } | ||||||
| 8516 | |||||||
| 8517 | /// Generate all the base pointers, section pointers, sizes, map types, and | ||||||
| 8518 | /// mappers for the extracted mappable expressions (all included in \a | ||||||
| 8519 | /// CombinedInfo). Also, for each item that relates with a device pointer, a | ||||||
| 8520 | /// pair of the relevant declaration and index where it occurs is appended to | ||||||
| 8521 | /// the device pointers info array. | ||||||
| 8522 | void generateAllInfo( | ||||||
| 8523 | MapCombinedInfoTy &CombinedInfo, | ||||||
| 8524 | const llvm::DenseSet<CanonicalDeclPtr<const Decl>> &SkipVarSet = | ||||||
| 8525 | llvm::DenseSet<CanonicalDeclPtr<const Decl>>()) const { | ||||||
| 8526 | assert(CurDir.is<const OMPExecutableDirective *>() &&(static_cast <bool> (CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? void ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8527, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8527 | "Expect a executable directive")(static_cast <bool> (CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? void ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8527, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8528 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | ||||||
| 8529 | generateAllInfoForClauses(CurExecDir->clauses(), CombinedInfo, SkipVarSet); | ||||||
| 8530 | } | ||||||
| 8531 | |||||||
| 8532 | /// Generate all the base pointers, section pointers, sizes, map types, and | ||||||
| 8533 | /// mappers for the extracted map clauses of user-defined mapper (all included | ||||||
| 8534 | /// in \a CombinedInfo). | ||||||
| 8535 | void generateAllInfoForMapper(MapCombinedInfoTy &CombinedInfo) const { | ||||||
| 8536 | assert(CurDir.is<const OMPDeclareMapperDecl *>() &&(static_cast <bool> (CurDir.is<const OMPDeclareMapperDecl *>() && "Expect a declare mapper directive") ? void (0) : __assert_fail ("CurDir.is<const OMPDeclareMapperDecl *>() && \"Expect a declare mapper directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8537, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8537 | "Expect a declare mapper directive")(static_cast <bool> (CurDir.is<const OMPDeclareMapperDecl *>() && "Expect a declare mapper directive") ? void (0) : __assert_fail ("CurDir.is<const OMPDeclareMapperDecl *>() && \"Expect a declare mapper directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8537, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8538 | const auto *CurMapperDir = CurDir.get<const OMPDeclareMapperDecl *>(); | ||||||
| 8539 | generateAllInfoForClauses(CurMapperDir->clauses(), CombinedInfo); | ||||||
| 8540 | } | ||||||
| 8541 | |||||||
| 8542 | /// Emit capture info for lambdas for variables captured by reference. | ||||||
| 8543 | void generateInfoForLambdaCaptures( | ||||||
| 8544 | const ValueDecl *VD, llvm::Value *Arg, MapCombinedInfoTy &CombinedInfo, | ||||||
| 8545 | llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers) const { | ||||||
| 8546 | QualType VDType = VD->getType().getCanonicalType().getNonReferenceType(); | ||||||
| 8547 | const auto *RD = VDType->getAsCXXRecordDecl(); | ||||||
| 8548 | if (!RD || !RD->isLambda()) | ||||||
| 8549 | return; | ||||||
| 8550 | Address VDAddr(Arg, CGF.ConvertTypeForMem(VDType), | ||||||
| 8551 | CGF.getContext().getDeclAlign(VD)); | ||||||
| 8552 | LValue VDLVal = CGF.MakeAddrLValue(VDAddr, VDType); | ||||||
| 8553 | llvm::DenseMap<const ValueDecl *, FieldDecl *> Captures; | ||||||
| 8554 | FieldDecl *ThisCapture = nullptr; | ||||||
| 8555 | RD->getCaptureFields(Captures, ThisCapture); | ||||||
| 8556 | if (ThisCapture) { | ||||||
| 8557 | LValue ThisLVal = | ||||||
| 8558 | CGF.EmitLValueForFieldInitialization(VDLVal, ThisCapture); | ||||||
| 8559 | LValue ThisLValVal = CGF.EmitLValueForField(VDLVal, ThisCapture); | ||||||
| 8560 | LambdaPointers.try_emplace(ThisLVal.getPointer(CGF), | ||||||
| 8561 | VDLVal.getPointer(CGF)); | ||||||
| 8562 | CombinedInfo.Exprs.push_back(VD); | ||||||
| 8563 | CombinedInfo.BasePointers.push_back(ThisLVal.getPointer(CGF)); | ||||||
| 8564 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8565 | CombinedInfo.Pointers.push_back(ThisLValVal.getPointer(CGF)); | ||||||
| 8566 | CombinedInfo.Sizes.push_back( | ||||||
| 8567 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | ||||||
| 8568 | CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 8569 | CombinedInfo.Types.push_back( | ||||||
| 8570 | OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ | | ||||||
| 8571 | OpenMPOffloadMappingFlags::OMP_MAP_LITERAL | | ||||||
| 8572 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF | | ||||||
| 8573 | OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT); | ||||||
| 8574 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8575 | } | ||||||
| 8576 | for (const LambdaCapture &LC : RD->captures()) { | ||||||
| 8577 | if (!LC.capturesVariable()) | ||||||
| 8578 | continue; | ||||||
| 8579 | const VarDecl *VD = cast<VarDecl>(LC.getCapturedVar()); | ||||||
| 8580 | if (LC.getCaptureKind() != LCK_ByRef && !VD->getType()->isPointerType()) | ||||||
| 8581 | continue; | ||||||
| 8582 | auto It = Captures.find(VD); | ||||||
| 8583 | assert(It != Captures.end() && "Found lambda capture without field.")(static_cast <bool> (It != Captures.end() && "Found lambda capture without field." ) ? void (0) : __assert_fail ("It != Captures.end() && \"Found lambda capture without field.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8583, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8584 | LValue VarLVal = CGF.EmitLValueForFieldInitialization(VDLVal, It->second); | ||||||
| 8585 | if (LC.getCaptureKind() == LCK_ByRef) { | ||||||
| 8586 | LValue VarLValVal = CGF.EmitLValueForField(VDLVal, It->second); | ||||||
| 8587 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | ||||||
| 8588 | VDLVal.getPointer(CGF)); | ||||||
| 8589 | CombinedInfo.Exprs.push_back(VD); | ||||||
| 8590 | CombinedInfo.BasePointers.push_back(VarLVal.getPointer(CGF)); | ||||||
| 8591 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8592 | CombinedInfo.Pointers.push_back(VarLValVal.getPointer(CGF)); | ||||||
| 8593 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 8594 | CGF.getTypeSize( | ||||||
| 8595 | VD->getType().getCanonicalType().getNonReferenceType()), | ||||||
| 8596 | CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 8597 | } else { | ||||||
| 8598 | RValue VarRVal = CGF.EmitLoadOfLValue(VarLVal, RD->getLocation()); | ||||||
| 8599 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | ||||||
| 8600 | VDLVal.getPointer(CGF)); | ||||||
| 8601 | CombinedInfo.Exprs.push_back(VD); | ||||||
| 8602 | CombinedInfo.BasePointers.push_back(VarLVal.getPointer(CGF)); | ||||||
| 8603 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8604 | CombinedInfo.Pointers.push_back(VarRVal.getScalarVal()); | ||||||
| 8605 | CombinedInfo.Sizes.push_back(llvm::ConstantInt::get(CGF.Int64Ty, 0)); | ||||||
| 8606 | } | ||||||
| 8607 | CombinedInfo.Types.push_back( | ||||||
| 8608 | OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ | | ||||||
| 8609 | OpenMPOffloadMappingFlags::OMP_MAP_LITERAL | | ||||||
| 8610 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF | | ||||||
| 8611 | OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT); | ||||||
| 8612 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8613 | } | ||||||
| 8614 | } | ||||||
| 8615 | |||||||
| 8616 | /// Set correct indices for lambdas captures. | ||||||
| 8617 | void adjustMemberOfForLambdaCaptures( | ||||||
| 8618 | const llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers, | ||||||
| 8619 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | ||||||
| 8620 | MapFlagsArrayTy &Types) const { | ||||||
| 8621 | for (unsigned I = 0, E = Types.size(); I < E; ++I) { | ||||||
| 8622 | // Set correct member_of idx for all implicit lambda captures. | ||||||
| 8623 | if (Types[I] != (OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ | | ||||||
| 8624 | OpenMPOffloadMappingFlags::OMP_MAP_LITERAL | | ||||||
| 8625 | OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF | | ||||||
| 8626 | OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT)) | ||||||
| 8627 | continue; | ||||||
| 8628 | llvm::Value *BasePtr = LambdaPointers.lookup(BasePointers[I]); | ||||||
| 8629 | assert(BasePtr && "Unable to find base lambda address.")(static_cast <bool> (BasePtr && "Unable to find base lambda address." ) ? void (0) : __assert_fail ("BasePtr && \"Unable to find base lambda address.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8629, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8630 | int TgtIdx = -1; | ||||||
| 8631 | for (unsigned J = I; J > 0; --J) { | ||||||
| 8632 | unsigned Idx = J - 1; | ||||||
| 8633 | if (Pointers[Idx] != BasePtr) | ||||||
| 8634 | continue; | ||||||
| 8635 | TgtIdx = Idx; | ||||||
| 8636 | break; | ||||||
| 8637 | } | ||||||
| 8638 | assert(TgtIdx != -1 && "Unable to find parent lambda.")(static_cast <bool> (TgtIdx != -1 && "Unable to find parent lambda." ) ? void (0) : __assert_fail ("TgtIdx != -1 && \"Unable to find parent lambda.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8638, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8639 | // All other current entries will be MEMBER_OF the combined entry | ||||||
| 8640 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | ||||||
| 8641 | // 0xFFFF in the MEMBER_OF field). | ||||||
| 8642 | OpenMPOffloadMappingFlags MemberOfFlag = getMemberOfFlag(TgtIdx); | ||||||
| 8643 | setCorrectMemberOfFlag(Types[I], MemberOfFlag); | ||||||
| 8644 | } | ||||||
| 8645 | } | ||||||
| 8646 | |||||||
| 8647 | /// Generate the base pointers, section pointers, sizes, map types, and | ||||||
| 8648 | /// mappers associated to a given capture (all included in \a CombinedInfo). | ||||||
| 8649 | void generateInfoForCapture(const CapturedStmt::Capture *Cap, | ||||||
| 8650 | llvm::Value *Arg, MapCombinedInfoTy &CombinedInfo, | ||||||
| 8651 | StructRangeInfoTy &PartialStruct) const { | ||||||
| 8652 | assert(!Cap->capturesVariableArrayType() &&(static_cast <bool> (!Cap->capturesVariableArrayType () && "Not expecting to generate map info for a variable array type!" ) ? void (0) : __assert_fail ("!Cap->capturesVariableArrayType() && \"Not expecting to generate map info for a variable array type!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8653, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8653 | "Not expecting to generate map info for a variable array type!")(static_cast <bool> (!Cap->capturesVariableArrayType () && "Not expecting to generate map info for a variable array type!" ) ? void (0) : __assert_fail ("!Cap->capturesVariableArrayType() && \"Not expecting to generate map info for a variable array type!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8653, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8654 | |||||||
| 8655 | // We need to know when we generating information for the first component | ||||||
| 8656 | const ValueDecl *VD = Cap->capturesThis() | ||||||
| 8657 | ? nullptr | ||||||
| 8658 | : Cap->getCapturedVar()->getCanonicalDecl(); | ||||||
| 8659 | |||||||
| 8660 | // for map(to: lambda): skip here, processing it in | ||||||
| 8661 | // generateDefaultMapInfo | ||||||
| 8662 | if (LambdasMap.count(VD)) | ||||||
| 8663 | return; | ||||||
| 8664 | |||||||
| 8665 | // If this declaration appears in a is_device_ptr clause we just have to | ||||||
| 8666 | // pass the pointer by value. If it is a reference to a declaration, we just | ||||||
| 8667 | // pass its value. | ||||||
| 8668 | if (VD && (DevPointersMap.count(VD) || HasDevAddrsMap.count(VD))) { | ||||||
| 8669 | CombinedInfo.Exprs.push_back(VD); | ||||||
| 8670 | CombinedInfo.BasePointers.emplace_back(Arg); | ||||||
| 8671 | CombinedInfo.DevicePtrDecls.emplace_back(VD); | ||||||
| 8672 | CombinedInfo.Pointers.push_back(Arg); | ||||||
| 8673 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 8674 | CGF.getTypeSize(CGF.getContext().VoidPtrTy), CGF.Int64Ty, | ||||||
| 8675 | /*isSigned=*/true)); | ||||||
| 8676 | CombinedInfo.Types.push_back( | ||||||
| 8677 | (Cap->capturesVariable() | ||||||
| 8678 | ? OpenMPOffloadMappingFlags::OMP_MAP_TO | ||||||
| 8679 | : OpenMPOffloadMappingFlags::OMP_MAP_LITERAL) | | ||||||
| 8680 | OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM); | ||||||
| 8681 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8682 | return; | ||||||
| 8683 | } | ||||||
| 8684 | |||||||
| 8685 | using MapData = | ||||||
| 8686 | std::tuple<OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||
| 8687 | OpenMPMapClauseKind, ArrayRef<OpenMPMapModifierKind>, bool, | ||||||
| 8688 | const ValueDecl *, const Expr *>; | ||||||
| 8689 | SmallVector<MapData, 4> DeclComponentLists; | ||||||
| 8690 | // For member fields list in is_device_ptr, store it in | ||||||
| 8691 | // DeclComponentLists for generating components info. | ||||||
| 8692 | static const OpenMPMapModifierKind Unknown = OMPC_MAP_MODIFIER_unknown; | ||||||
| 8693 | auto It = DevPointersMap.find(VD); | ||||||
| 8694 | if (It != DevPointersMap.end()) | ||||||
| 8695 | for (const auto &MCL : It->second) | ||||||
| 8696 | DeclComponentLists.emplace_back(MCL, OMPC_MAP_to, Unknown, | ||||||
| 8697 | /*IsImpicit = */ true, nullptr, | ||||||
| 8698 | nullptr); | ||||||
| 8699 | auto I = HasDevAddrsMap.find(VD); | ||||||
| 8700 | if (I != HasDevAddrsMap.end()) | ||||||
| 8701 | for (const auto &MCL : I->second) | ||||||
| 8702 | DeclComponentLists.emplace_back(MCL, OMPC_MAP_tofrom, Unknown, | ||||||
| 8703 | /*IsImpicit = */ true, nullptr, | ||||||
| 8704 | nullptr); | ||||||
| 8705 | assert(CurDir.is<const OMPExecutableDirective *>() &&(static_cast <bool> (CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? void ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8706, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8706 | "Expect a executable directive")(static_cast <bool> (CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? void ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8706, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8707 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | ||||||
| 8708 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | ||||||
| 8709 | const auto *EI = C->getVarRefs().begin(); | ||||||
| 8710 | for (const auto L : C->decl_component_lists(VD)) { | ||||||
| 8711 | const ValueDecl *VDecl, *Mapper; | ||||||
| 8712 | // The Expression is not correct if the mapping is implicit | ||||||
| 8713 | const Expr *E = (C->getMapLoc().isValid()) ? *EI : nullptr; | ||||||
| 8714 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||||
| 8715 | std::tie(VDecl, Components, Mapper) = L; | ||||||
| 8716 | assert(VDecl == VD && "We got information for the wrong declaration??")(static_cast <bool> (VDecl == VD && "We got information for the wrong declaration??" ) ? void (0) : __assert_fail ("VDecl == VD && \"We got information for the wrong declaration??\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8716, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8717 | assert(!Components.empty() &&(static_cast <bool> (!Components.empty() && "Not expecting declaration with no component lists." ) ? void (0) : __assert_fail ("!Components.empty() && \"Not expecting declaration with no component lists.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8718, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 8718 | "Not expecting declaration with no component lists.")(static_cast <bool> (!Components.empty() && "Not expecting declaration with no component lists." ) ? void (0) : __assert_fail ("!Components.empty() && \"Not expecting declaration with no component lists.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8718, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8719 | DeclComponentLists.emplace_back(Components, C->getMapType(), | ||||||
| 8720 | C->getMapTypeModifiers(), | ||||||
| 8721 | C->isImplicit(), Mapper, E); | ||||||
| 8722 | ++EI; | ||||||
| 8723 | } | ||||||
| 8724 | } | ||||||
| 8725 | llvm::stable_sort(DeclComponentLists, [](const MapData &LHS, | ||||||
| 8726 | const MapData &RHS) { | ||||||
| 8727 | ArrayRef<OpenMPMapModifierKind> MapModifiers = std::get<2>(LHS); | ||||||
| 8728 | OpenMPMapClauseKind MapType = std::get<1>(RHS); | ||||||
| 8729 | bool HasPresent = | ||||||
| 8730 | llvm::is_contained(MapModifiers, clang::OMPC_MAP_MODIFIER_present); | ||||||
| 8731 | bool HasAllocs = MapType == OMPC_MAP_alloc; | ||||||
| 8732 | MapModifiers = std::get<2>(RHS); | ||||||
| 8733 | MapType = std::get<1>(LHS); | ||||||
| 8734 | bool HasPresentR = | ||||||
| 8735 | llvm::is_contained(MapModifiers, clang::OMPC_MAP_MODIFIER_present); | ||||||
| 8736 | bool HasAllocsR = MapType == OMPC_MAP_alloc; | ||||||
| 8737 | return (HasPresent && !HasPresentR) || (HasAllocs && !HasAllocsR); | ||||||
| 8738 | }); | ||||||
| 8739 | |||||||
| 8740 | // Find overlapping elements (including the offset from the base element). | ||||||
| 8741 | llvm::SmallDenseMap< | ||||||
| 8742 | const MapData *, | ||||||
| 8743 | llvm::SmallVector< | ||||||
| 8744 | OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>, | ||||||
| 8745 | 4> | ||||||
| 8746 | OverlappedData; | ||||||
| 8747 | size_t Count = 0; | ||||||
| 8748 | for (const MapData &L : DeclComponentLists) { | ||||||
| 8749 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||||
| 8750 | OpenMPMapClauseKind MapType; | ||||||
| 8751 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||||
| 8752 | bool IsImplicit; | ||||||
| 8753 | const ValueDecl *Mapper; | ||||||
| 8754 | const Expr *VarRef; | ||||||
| 8755 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | ||||||
| 8756 | L; | ||||||
| 8757 | ++Count; | ||||||
| 8758 | for (const MapData &L1 : ArrayRef(DeclComponentLists).slice(Count)) { | ||||||
| 8759 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components1; | ||||||
| 8760 | std::tie(Components1, MapType, MapModifiers, IsImplicit, Mapper, | ||||||
| 8761 | VarRef) = L1; | ||||||
| 8762 | auto CI = Components.rbegin(); | ||||||
| 8763 | auto CE = Components.rend(); | ||||||
| 8764 | auto SI = Components1.rbegin(); | ||||||
| 8765 | auto SE = Components1.rend(); | ||||||
| 8766 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||||
| 8767 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||||
| 8768 | SI->getAssociatedExpression()->getStmtClass()) | ||||||
| 8769 | break; | ||||||
| 8770 | // Are we dealing with different variables/fields? | ||||||
| 8771 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | ||||||
| 8772 | break; | ||||||
| 8773 | } | ||||||
| 8774 | // Found overlapping if, at least for one component, reached the head | ||||||
| 8775 | // of the components list. | ||||||
| 8776 | if (CI == CE || SI == SE) { | ||||||
| 8777 | // Ignore it if it is the same component. | ||||||
| 8778 | if (CI == CE && SI == SE) | ||||||
| 8779 | continue; | ||||||
| 8780 | const auto It = (SI == SE) ? CI : SI; | ||||||
| 8781 | // If one component is a pointer and another one is a kind of | ||||||
| 8782 | // dereference of this pointer (array subscript, section, dereference, | ||||||
| 8783 | // etc.), it is not an overlapping. | ||||||
| 8784 | // Same, if one component is a base and another component is a | ||||||
| 8785 | // dereferenced pointer memberexpr with the same base. | ||||||
| 8786 | if (!isa<MemberExpr>(It->getAssociatedExpression()) || | ||||||
| 8787 | (std::prev(It)->getAssociatedDeclaration() && | ||||||
| 8788 | std::prev(It) | ||||||
| 8789 | ->getAssociatedDeclaration() | ||||||
| 8790 | ->getType() | ||||||
| 8791 | ->isPointerType()) || | ||||||
| 8792 | (It->getAssociatedDeclaration() && | ||||||
| 8793 | It->getAssociatedDeclaration()->getType()->isPointerType() && | ||||||
| 8794 | std::next(It) != CE && std::next(It) != SE)) | ||||||
| 8795 | continue; | ||||||
| 8796 | const MapData &BaseData = CI == CE ? L : L1; | ||||||
| 8797 | OMPClauseMappableExprCommon::MappableExprComponentListRef SubData = | ||||||
| 8798 | SI == SE ? Components : Components1; | ||||||
| 8799 | auto &OverlappedElements = OverlappedData.FindAndConstruct(&BaseData); | ||||||
| 8800 | OverlappedElements.getSecond().push_back(SubData); | ||||||
| 8801 | } | ||||||
| 8802 | } | ||||||
| 8803 | } | ||||||
| 8804 | // Sort the overlapped elements for each item. | ||||||
| 8805 | llvm::SmallVector<const FieldDecl *, 4> Layout; | ||||||
| 8806 | if (!OverlappedData.empty()) { | ||||||
| 8807 | const Type *BaseType = VD->getType().getCanonicalType().getTypePtr(); | ||||||
| 8808 | const Type *OrigType = BaseType->getPointeeOrArrayElementType(); | ||||||
| 8809 | while (BaseType != OrigType) { | ||||||
| 8810 | BaseType = OrigType->getCanonicalTypeInternal().getTypePtr(); | ||||||
| 8811 | OrigType = BaseType->getPointeeOrArrayElementType(); | ||||||
| 8812 | } | ||||||
| 8813 | |||||||
| 8814 | if (const auto *CRD = BaseType->getAsCXXRecordDecl()) | ||||||
| 8815 | getPlainLayout(CRD, Layout, /*AsBase=*/false); | ||||||
| 8816 | else { | ||||||
| 8817 | const auto *RD = BaseType->getAsRecordDecl(); | ||||||
| 8818 | Layout.append(RD->field_begin(), RD->field_end()); | ||||||
| 8819 | } | ||||||
| 8820 | } | ||||||
| 8821 | for (auto &Pair : OverlappedData) { | ||||||
| 8822 | llvm::stable_sort( | ||||||
| 8823 | Pair.getSecond(), | ||||||
| 8824 | [&Layout]( | ||||||
| 8825 | OMPClauseMappableExprCommon::MappableExprComponentListRef First, | ||||||
| 8826 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||
| 8827 | Second) { | ||||||
| 8828 | auto CI = First.rbegin(); | ||||||
| 8829 | auto CE = First.rend(); | ||||||
| 8830 | auto SI = Second.rbegin(); | ||||||
| 8831 | auto SE = Second.rend(); | ||||||
| 8832 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||||
| 8833 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||||
| 8834 | SI->getAssociatedExpression()->getStmtClass()) | ||||||
| 8835 | break; | ||||||
| 8836 | // Are we dealing with different variables/fields? | ||||||
| 8837 | if (CI->getAssociatedDeclaration() != | ||||||
| 8838 | SI->getAssociatedDeclaration()) | ||||||
| 8839 | break; | ||||||
| 8840 | } | ||||||
| 8841 | |||||||
| 8842 | // Lists contain the same elements. | ||||||
| 8843 | if (CI == CE && SI == SE) | ||||||
| 8844 | return false; | ||||||
| 8845 | |||||||
| 8846 | // List with less elements is less than list with more elements. | ||||||
| 8847 | if (CI == CE || SI == SE) | ||||||
| 8848 | return CI == CE; | ||||||
| 8849 | |||||||
| 8850 | const auto *FD1 = cast<FieldDecl>(CI->getAssociatedDeclaration()); | ||||||
| 8851 | const auto *FD2 = cast<FieldDecl>(SI->getAssociatedDeclaration()); | ||||||
| 8852 | if (FD1->getParent() == FD2->getParent()) | ||||||
| 8853 | return FD1->getFieldIndex() < FD2->getFieldIndex(); | ||||||
| 8854 | const auto *It = | ||||||
| 8855 | llvm::find_if(Layout, [FD1, FD2](const FieldDecl *FD) { | ||||||
| 8856 | return FD == FD1 || FD == FD2; | ||||||
| 8857 | }); | ||||||
| 8858 | return *It == FD1; | ||||||
| 8859 | }); | ||||||
| 8860 | } | ||||||
| 8861 | |||||||
| 8862 | // Associated with a capture, because the mapping flags depend on it. | ||||||
| 8863 | // Go through all of the elements with the overlapped elements. | ||||||
| 8864 | bool IsFirstComponentList = true; | ||||||
| 8865 | for (const auto &Pair : OverlappedData) { | ||||||
| 8866 | const MapData &L = *Pair.getFirst(); | ||||||
| 8867 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||||
| 8868 | OpenMPMapClauseKind MapType; | ||||||
| 8869 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||||
| 8870 | bool IsImplicit; | ||||||
| 8871 | const ValueDecl *Mapper; | ||||||
| 8872 | const Expr *VarRef; | ||||||
| 8873 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | ||||||
| 8874 | L; | ||||||
| 8875 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | ||||||
| 8876 | OverlappedComponents = Pair.getSecond(); | ||||||
| 8877 | generateInfoForComponentList( | ||||||
| 8878 | MapType, MapModifiers, std::nullopt, Components, CombinedInfo, | ||||||
| 8879 | PartialStruct, IsFirstComponentList, IsImplicit, Mapper, | ||||||
| 8880 | /*ForDeviceAddr=*/false, VD, VarRef, OverlappedComponents); | ||||||
| 8881 | IsFirstComponentList = false; | ||||||
| 8882 | } | ||||||
| 8883 | // Go through other elements without overlapped elements. | ||||||
| 8884 | for (const MapData &L : DeclComponentLists) { | ||||||
| 8885 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||||
| 8886 | OpenMPMapClauseKind MapType; | ||||||
| 8887 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||||
| 8888 | bool IsImplicit; | ||||||
| 8889 | const ValueDecl *Mapper; | ||||||
| 8890 | const Expr *VarRef; | ||||||
| 8891 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | ||||||
| 8892 | L; | ||||||
| 8893 | auto It = OverlappedData.find(&L); | ||||||
| 8894 | if (It == OverlappedData.end()) | ||||||
| 8895 | generateInfoForComponentList(MapType, MapModifiers, std::nullopt, | ||||||
| 8896 | Components, CombinedInfo, PartialStruct, | ||||||
| 8897 | IsFirstComponentList, IsImplicit, Mapper, | ||||||
| 8898 | /*ForDeviceAddr=*/false, VD, VarRef); | ||||||
| 8899 | IsFirstComponentList = false; | ||||||
| 8900 | } | ||||||
| 8901 | } | ||||||
| 8902 | |||||||
| 8903 | /// Generate the default map information for a given capture \a CI, | ||||||
| 8904 | /// record field declaration \a RI and captured value \a CV. | ||||||
| 8905 | void generateDefaultMapInfo(const CapturedStmt::Capture &CI, | ||||||
| 8906 | const FieldDecl &RI, llvm::Value *CV, | ||||||
| 8907 | MapCombinedInfoTy &CombinedInfo) const { | ||||||
| 8908 | bool IsImplicit = true; | ||||||
| 8909 | // Do the default mapping. | ||||||
| 8910 | if (CI.capturesThis()) { | ||||||
| 8911 | CombinedInfo.Exprs.push_back(nullptr); | ||||||
| 8912 | CombinedInfo.BasePointers.push_back(CV); | ||||||
| 8913 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8914 | CombinedInfo.Pointers.push_back(CV); | ||||||
| 8915 | const auto *PtrTy = cast<PointerType>(RI.getType().getTypePtr()); | ||||||
| 8916 | CombinedInfo.Sizes.push_back( | ||||||
| 8917 | CGF.Builder.CreateIntCast(CGF.getTypeSize(PtrTy->getPointeeType()), | ||||||
| 8918 | CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 8919 | // Default map type. | ||||||
| 8920 | CombinedInfo.Types.push_back(OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 8921 | OpenMPOffloadMappingFlags::OMP_MAP_FROM); | ||||||
| 8922 | } else if (CI.capturesVariableByCopy()) { | ||||||
| 8923 | const VarDecl *VD = CI.getCapturedVar(); | ||||||
| 8924 | CombinedInfo.Exprs.push_back(VD->getCanonicalDecl()); | ||||||
| 8925 | CombinedInfo.BasePointers.push_back(CV); | ||||||
| 8926 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8927 | CombinedInfo.Pointers.push_back(CV); | ||||||
| 8928 | if (!RI.getType()->isAnyPointerType()) { | ||||||
| 8929 | // We have to signal to the runtime captures passed by value that are | ||||||
| 8930 | // not pointers. | ||||||
| 8931 | CombinedInfo.Types.push_back( | ||||||
| 8932 | OpenMPOffloadMappingFlags::OMP_MAP_LITERAL); | ||||||
| 8933 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 8934 | CGF.getTypeSize(RI.getType()), CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 8935 | } else { | ||||||
| 8936 | // Pointers are implicitly mapped with a zero size and no flags | ||||||
| 8937 | // (other than first map that is added for all implicit maps). | ||||||
| 8938 | CombinedInfo.Types.push_back(OpenMPOffloadMappingFlags::OMP_MAP_NONE); | ||||||
| 8939 | CombinedInfo.Sizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | ||||||
| 8940 | } | ||||||
| 8941 | auto I = FirstPrivateDecls.find(VD); | ||||||
| 8942 | if (I != FirstPrivateDecls.end()) | ||||||
| 8943 | IsImplicit = I->getSecond(); | ||||||
| 8944 | } else { | ||||||
| 8945 | assert(CI.capturesVariable() && "Expected captured reference.")(static_cast <bool> (CI.capturesVariable() && "Expected captured reference." ) ? void (0) : __assert_fail ("CI.capturesVariable() && \"Expected captured reference.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 8945, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 8946 | const auto *PtrTy = cast<ReferenceType>(RI.getType().getTypePtr()); | ||||||
| 8947 | QualType ElementType = PtrTy->getPointeeType(); | ||||||
| 8948 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 8949 | CGF.getTypeSize(ElementType), CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 8950 | // The default map type for a scalar/complex type is 'to' because by | ||||||
| 8951 | // default the value doesn't have to be retrieved. For an aggregate | ||||||
| 8952 | // type, the default is 'tofrom'. | ||||||
| 8953 | CombinedInfo.Types.push_back(getMapModifiersForPrivateClauses(CI)); | ||||||
| 8954 | const VarDecl *VD = CI.getCapturedVar(); | ||||||
| 8955 | auto I = FirstPrivateDecls.find(VD); | ||||||
| 8956 | CombinedInfo.Exprs.push_back(VD->getCanonicalDecl()); | ||||||
| 8957 | CombinedInfo.BasePointers.push_back(CV); | ||||||
| 8958 | CombinedInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 8959 | if (I != FirstPrivateDecls.end() && ElementType->isAnyPointerType()) { | ||||||
| 8960 | Address PtrAddr = CGF.EmitLoadOfReference(CGF.MakeAddrLValue( | ||||||
| 8961 | CV, ElementType, CGF.getContext().getDeclAlign(VD), | ||||||
| 8962 | AlignmentSource::Decl)); | ||||||
| 8963 | CombinedInfo.Pointers.push_back(PtrAddr.getPointer()); | ||||||
| 8964 | } else { | ||||||
| 8965 | CombinedInfo.Pointers.push_back(CV); | ||||||
| 8966 | } | ||||||
| 8967 | if (I != FirstPrivateDecls.end()) | ||||||
| 8968 | IsImplicit = I->getSecond(); | ||||||
| 8969 | } | ||||||
| 8970 | // Every default map produces a single argument which is a target parameter. | ||||||
| 8971 | CombinedInfo.Types.back() |= | ||||||
| 8972 | OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM; | ||||||
| 8973 | |||||||
| 8974 | // Add flag stating this is an implicit map. | ||||||
| 8975 | if (IsImplicit) | ||||||
| 8976 | CombinedInfo.Types.back() |= OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT; | ||||||
| 8977 | |||||||
| 8978 | // No user-defined mapper for default mapping. | ||||||
| 8979 | CombinedInfo.Mappers.push_back(nullptr); | ||||||
| 8980 | } | ||||||
| 8981 | }; | ||||||
| 8982 | } // anonymous namespace | ||||||
| 8983 | |||||||
| 8984 | static void emitNonContiguousDescriptor( | ||||||
| 8985 | CodeGenFunction &CGF, MappableExprsHandler::MapCombinedInfoTy &CombinedInfo, | ||||||
| 8986 | CGOpenMPRuntime::TargetDataInfo &Info) { | ||||||
| 8987 | CodeGenModule &CGM = CGF.CGM; | ||||||
| 8988 | MappableExprsHandler::MapCombinedInfoTy::StructNonContiguousInfo | ||||||
| 8989 | &NonContigInfo = CombinedInfo.NonContigInfo; | ||||||
| 8990 | |||||||
| 8991 | // Build an array of struct descriptor_dim and then assign it to | ||||||
| 8992 | // offload_args. | ||||||
| 8993 | // | ||||||
| 8994 | // struct descriptor_dim { | ||||||
| 8995 | // uint64_t offset; | ||||||
| 8996 | // uint64_t count; | ||||||
| 8997 | // uint64_t stride | ||||||
| 8998 | // }; | ||||||
| 8999 | ASTContext &C = CGF.getContext(); | ||||||
| 9000 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||||
| 9001 | RecordDecl *RD; | ||||||
| 9002 | RD = C.buildImplicitRecord("descriptor_dim"); | ||||||
| 9003 | RD->startDefinition(); | ||||||
| 9004 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 9005 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 9006 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 9007 | RD->completeDefinition(); | ||||||
| 9008 | QualType DimTy = C.getRecordType(RD); | ||||||
| 9009 | |||||||
| 9010 | enum { OffsetFD = 0, CountFD, StrideFD }; | ||||||
| 9011 | // We need two index variable here since the size of "Dims" is the same as the | ||||||
| 9012 | // size of Components, however, the size of offset, count, and stride is equal | ||||||
| 9013 | // to the size of base declaration that is non-contiguous. | ||||||
| 9014 | for (unsigned I = 0, L = 0, E = NonContigInfo.Dims.size(); I < E; ++I) { | ||||||
| 9015 | // Skip emitting ir if dimension size is 1 since it cannot be | ||||||
| 9016 | // non-contiguous. | ||||||
| 9017 | if (NonContigInfo.Dims[I] == 1) | ||||||
| 9018 | continue; | ||||||
| 9019 | llvm::APInt Size(/*numBits=*/32, NonContigInfo.Dims[I]); | ||||||
| 9020 | QualType ArrayTy = | ||||||
| 9021 | C.getConstantArrayType(DimTy, Size, nullptr, ArrayType::Normal, 0); | ||||||
| 9022 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | ||||||
| 9023 | for (unsigned II = 0, EE = NonContigInfo.Dims[I]; II < EE; ++II) { | ||||||
| 9024 | unsigned RevIdx = EE - II - 1; | ||||||
| 9025 | LValue DimsLVal = CGF.MakeAddrLValue( | ||||||
| 9026 | CGF.Builder.CreateConstArrayGEP(DimsAddr, II), DimTy); | ||||||
| 9027 | // Offset | ||||||
| 9028 | LValue OffsetLVal = CGF.EmitLValueForField( | ||||||
| 9029 | DimsLVal, *std::next(RD->field_begin(), OffsetFD)); | ||||||
| 9030 | CGF.EmitStoreOfScalar(NonContigInfo.Offsets[L][RevIdx], OffsetLVal); | ||||||
| 9031 | // Count | ||||||
| 9032 | LValue CountLVal = CGF.EmitLValueForField( | ||||||
| 9033 | DimsLVal, *std::next(RD->field_begin(), CountFD)); | ||||||
| 9034 | CGF.EmitStoreOfScalar(NonContigInfo.Counts[L][RevIdx], CountLVal); | ||||||
| 9035 | // Stride | ||||||
| 9036 | LValue StrideLVal = CGF.EmitLValueForField( | ||||||
| 9037 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | ||||||
| 9038 | CGF.EmitStoreOfScalar(NonContigInfo.Strides[L][RevIdx], StrideLVal); | ||||||
| 9039 | } | ||||||
| 9040 | // args[I] = &dims | ||||||
| 9041 | Address DAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 9042 | DimsAddr, CGM.Int8PtrTy, CGM.Int8Ty); | ||||||
| 9043 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||||
| 9044 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||||
| 9045 | Info.RTArgs.PointersArray, 0, I); | ||||||
| 9046 | Address PAddr(P, CGM.VoidPtrTy, CGF.getPointerAlign()); | ||||||
| 9047 | CGF.Builder.CreateStore(DAddr.getPointer(), PAddr); | ||||||
| 9048 | ++L; | ||||||
| 9049 | } | ||||||
| 9050 | } | ||||||
| 9051 | |||||||
| 9052 | // Try to extract the base declaration from a `this->x` expression if possible. | ||||||
| 9053 | static ValueDecl *getDeclFromThisExpr(const Expr *E) { | ||||||
| 9054 | if (!E) | ||||||
| 9055 | return nullptr; | ||||||
| 9056 | |||||||
| 9057 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(E->IgnoreParenCasts())) | ||||||
| 9058 | if (const MemberExpr *ME = | ||||||
| 9059 | dyn_cast<MemberExpr>(OASE->getBase()->IgnoreParenImpCasts())) | ||||||
| 9060 | return ME->getMemberDecl(); | ||||||
| 9061 | return nullptr; | ||||||
| 9062 | } | ||||||
| 9063 | |||||||
| 9064 | /// Emit a string constant containing the names of the values mapped to the | ||||||
| 9065 | /// offloading runtime library. | ||||||
| 9066 | llvm::Constant * | ||||||
| 9067 | emitMappingInformation(CodeGenFunction &CGF, llvm::OpenMPIRBuilder &OMPBuilder, | ||||||
| 9068 | MappableExprsHandler::MappingExprInfo &MapExprs) { | ||||||
| 9069 | |||||||
| 9070 | uint32_t SrcLocStrSize; | ||||||
| 9071 | if (!MapExprs.getMapDecl() && !MapExprs.getMapExpr()) | ||||||
| 9072 | return OMPBuilder.getOrCreateDefaultSrcLocStr(SrcLocStrSize); | ||||||
| 9073 | |||||||
| 9074 | SourceLocation Loc; | ||||||
| 9075 | if (!MapExprs.getMapDecl() && MapExprs.getMapExpr()) { | ||||||
| 9076 | if (const ValueDecl *VD = getDeclFromThisExpr(MapExprs.getMapExpr())) | ||||||
| 9077 | Loc = VD->getLocation(); | ||||||
| 9078 | else | ||||||
| 9079 | Loc = MapExprs.getMapExpr()->getExprLoc(); | ||||||
| 9080 | } else { | ||||||
| 9081 | Loc = MapExprs.getMapDecl()->getLocation(); | ||||||
| 9082 | } | ||||||
| 9083 | |||||||
| 9084 | std::string ExprName; | ||||||
| 9085 | if (MapExprs.getMapExpr()) { | ||||||
| 9086 | PrintingPolicy P(CGF.getContext().getLangOpts()); | ||||||
| 9087 | llvm::raw_string_ostream OS(ExprName); | ||||||
| 9088 | MapExprs.getMapExpr()->printPretty(OS, nullptr, P); | ||||||
| 9089 | OS.flush(); | ||||||
| 9090 | } else { | ||||||
| 9091 | ExprName = MapExprs.getMapDecl()->getNameAsString(); | ||||||
| 9092 | } | ||||||
| 9093 | |||||||
| 9094 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||||
| 9095 | return OMPBuilder.getOrCreateSrcLocStr(PLoc.getFilename(), ExprName, | ||||||
| 9096 | PLoc.getLine(), PLoc.getColumn(), | ||||||
| 9097 | SrcLocStrSize); | ||||||
| 9098 | } | ||||||
| 9099 | |||||||
| 9100 | /// Emit the arrays used to pass the captures and map information to the | ||||||
| 9101 | /// offloading runtime library. If there is no map or capture information, | ||||||
| 9102 | /// return nullptr by reference. | ||||||
| 9103 | static void emitOffloadingArrays( | ||||||
| 9104 | CodeGenFunction &CGF, MappableExprsHandler::MapCombinedInfoTy &CombinedInfo, | ||||||
| 9105 | CGOpenMPRuntime::TargetDataInfo &Info, llvm::OpenMPIRBuilder &OMPBuilder, | ||||||
| 9106 | bool IsNonContiguous = false) { | ||||||
| 9107 | CodeGenModule &CGM = CGF.CGM; | ||||||
| 9108 | ASTContext &Ctx = CGF.getContext(); | ||||||
| 9109 | |||||||
| 9110 | // Reset the array information. | ||||||
| 9111 | Info.clearArrayInfo(); | ||||||
| 9112 | Info.NumberOfPtrs = CombinedInfo.BasePointers.size(); | ||||||
| 9113 | |||||||
| 9114 | if (Info.NumberOfPtrs) { | ||||||
| 9115 | // Detect if we have any capture size requiring runtime evaluation of the | ||||||
| 9116 | // size so that a constant array could be eventually used. | ||||||
| 9117 | |||||||
| 9118 | llvm::APInt PointerNumAP(32, Info.NumberOfPtrs, /*isSigned=*/true); | ||||||
| 9119 | QualType PointerArrayType = Ctx.getConstantArrayType( | ||||||
| 9120 | Ctx.VoidPtrTy, PointerNumAP, nullptr, ArrayType::Normal, | ||||||
| 9121 | /*IndexTypeQuals=*/0); | ||||||
| 9122 | |||||||
| 9123 | Info.RTArgs.BasePointersArray = | ||||||
| 9124 | CGF.CreateMemTemp(PointerArrayType, ".offload_baseptrs").getPointer(); | ||||||
| 9125 | Info.RTArgs.PointersArray = | ||||||
| 9126 | CGF.CreateMemTemp(PointerArrayType, ".offload_ptrs").getPointer(); | ||||||
| 9127 | Address MappersArray = | ||||||
| 9128 | CGF.CreateMemTemp(PointerArrayType, ".offload_mappers"); | ||||||
| 9129 | Info.RTArgs.MappersArray = MappersArray.getPointer(); | ||||||
| 9130 | |||||||
| 9131 | // If we don't have any VLA types or other types that require runtime | ||||||
| 9132 | // evaluation, we can use a constant array for the map sizes, otherwise we | ||||||
| 9133 | // need to fill up the arrays as we do for the pointers. | ||||||
| 9134 | QualType Int64Ty = | ||||||
| 9135 | Ctx.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||||
| 9136 | SmallVector<llvm::Constant *> ConstSizes( | ||||||
| 9137 | CombinedInfo.Sizes.size(), llvm::ConstantInt::get(CGF.Int64Ty, 0)); | ||||||
| 9138 | llvm::SmallBitVector RuntimeSizes(CombinedInfo.Sizes.size()); | ||||||
| 9139 | for (unsigned I = 0, E = CombinedInfo.Sizes.size(); I < E; ++I) { | ||||||
| 9140 | if (auto *CI = dyn_cast<llvm::Constant>(CombinedInfo.Sizes[I])) { | ||||||
| 9141 | if (!isa<llvm::ConstantExpr>(CI) && !isa<llvm::GlobalValue>(CI)) { | ||||||
| 9142 | if (IsNonContiguous && | ||||||
| 9143 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9144 | CombinedInfo.Types[I] & | ||||||
| 9145 | OpenMPOffloadMappingFlags::OMP_MAP_NON_CONTIG)) | ||||||
| 9146 | ConstSizes[I] = llvm::ConstantInt::get( | ||||||
| 9147 | CGF.Int64Ty, CombinedInfo.NonContigInfo.Dims[I]); | ||||||
| 9148 | else | ||||||
| 9149 | ConstSizes[I] = CI; | ||||||
| 9150 | continue; | ||||||
| 9151 | } | ||||||
| 9152 | } | ||||||
| 9153 | RuntimeSizes.set(I); | ||||||
| 9154 | } | ||||||
| 9155 | |||||||
| 9156 | if (RuntimeSizes.all()) { | ||||||
| 9157 | QualType SizeArrayType = Ctx.getConstantArrayType( | ||||||
| 9158 | Int64Ty, PointerNumAP, nullptr, ArrayType::Normal, | ||||||
| 9159 | /*IndexTypeQuals=*/0); | ||||||
| 9160 | Info.RTArgs.SizesArray = | ||||||
| 9161 | CGF.CreateMemTemp(SizeArrayType, ".offload_sizes").getPointer(); | ||||||
| 9162 | } else { | ||||||
| 9163 | auto *SizesArrayInit = llvm::ConstantArray::get( | ||||||
| 9164 | llvm::ArrayType::get(CGM.Int64Ty, ConstSizes.size()), ConstSizes); | ||||||
| 9165 | std::string Name = CGM.getOpenMPRuntime().getName({"offload_sizes"}); | ||||||
| 9166 | auto *SizesArrayGbl = new llvm::GlobalVariable( | ||||||
| 9167 | CGM.getModule(), SizesArrayInit->getType(), /*isConstant=*/true, | ||||||
| 9168 | llvm::GlobalValue::PrivateLinkage, SizesArrayInit, Name); | ||||||
| 9169 | SizesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | ||||||
| 9170 | if (RuntimeSizes.any()) { | ||||||
| 9171 | QualType SizeArrayType = Ctx.getConstantArrayType( | ||||||
| 9172 | Int64Ty, PointerNumAP, nullptr, ArrayType::Normal, | ||||||
| 9173 | /*IndexTypeQuals=*/0); | ||||||
| 9174 | Address Buffer = CGF.CreateMemTemp(SizeArrayType, ".offload_sizes"); | ||||||
| 9175 | llvm::Value *GblConstPtr = | ||||||
| 9176 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 9177 | SizesArrayGbl, CGM.Int64Ty->getPointerTo()); | ||||||
| 9178 | CGF.Builder.CreateMemCpy( | ||||||
| 9179 | Buffer, | ||||||
| 9180 | Address(GblConstPtr, CGM.Int64Ty, | ||||||
| 9181 | CGM.getNaturalTypeAlignment(Ctx.getIntTypeForBitwidth( | ||||||
| 9182 | /*DestWidth=*/64, /*Signed=*/false))), | ||||||
| 9183 | CGF.getTypeSize(SizeArrayType)); | ||||||
| 9184 | Info.RTArgs.SizesArray = Buffer.getPointer(); | ||||||
| 9185 | } else { | ||||||
| 9186 | Info.RTArgs.SizesArray = SizesArrayGbl; | ||||||
| 9187 | } | ||||||
| 9188 | } | ||||||
| 9189 | |||||||
| 9190 | // The map types are always constant so we don't need to generate code to | ||||||
| 9191 | // fill arrays. Instead, we create an array constant. | ||||||
| 9192 | SmallVector<uint64_t, 4> Mapping; | ||||||
| 9193 | for (auto mapFlag : CombinedInfo.Types) | ||||||
| 9194 | Mapping.push_back( | ||||||
| 9195 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9196 | mapFlag)); | ||||||
| 9197 | std::string MaptypesName = | ||||||
| 9198 | CGM.getOpenMPRuntime().getName({"offload_maptypes"}); | ||||||
| 9199 | auto *MapTypesArrayGbl = | ||||||
| 9200 | OMPBuilder.createOffloadMaptypes(Mapping, MaptypesName); | ||||||
| 9201 | Info.RTArgs.MapTypesArray = MapTypesArrayGbl; | ||||||
| 9202 | |||||||
| 9203 | // The information types are only built if there is debug information | ||||||
| 9204 | // requested. | ||||||
| 9205 | if (CGM.getCodeGenOpts().getDebugInfo() == | ||||||
| 9206 | llvm::codegenoptions::NoDebugInfo) { | ||||||
| 9207 | Info.RTArgs.MapNamesArray = llvm::Constant::getNullValue( | ||||||
| 9208 | llvm::Type::getInt8Ty(CGF.Builder.getContext())->getPointerTo()); | ||||||
| 9209 | } else { | ||||||
| 9210 | auto fillInfoMap = [&](MappableExprsHandler::MappingExprInfo &MapExpr) { | ||||||
| 9211 | return emitMappingInformation(CGF, OMPBuilder, MapExpr); | ||||||
| 9212 | }; | ||||||
| 9213 | SmallVector<llvm::Constant *, 4> InfoMap(CombinedInfo.Exprs.size()); | ||||||
| 9214 | llvm::transform(CombinedInfo.Exprs, InfoMap.begin(), fillInfoMap); | ||||||
| 9215 | std::string MapnamesName = | ||||||
| 9216 | CGM.getOpenMPRuntime().getName({"offload_mapnames"}); | ||||||
| 9217 | auto *MapNamesArrayGbl = | ||||||
| 9218 | OMPBuilder.createOffloadMapnames(InfoMap, MapnamesName); | ||||||
| 9219 | Info.RTArgs.MapNamesArray = MapNamesArrayGbl; | ||||||
| 9220 | } | ||||||
| 9221 | |||||||
| 9222 | // If there's a present map type modifier, it must not be applied to the end | ||||||
| 9223 | // of a region, so generate a separate map type array in that case. | ||||||
| 9224 | if (Info.separateBeginEndCalls()) { | ||||||
| 9225 | bool EndMapTypesDiffer = false; | ||||||
| 9226 | for (uint64_t &Type : Mapping) { | ||||||
| 9227 | if (Type & | ||||||
| 9228 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9229 | OpenMPOffloadMappingFlags::OMP_MAP_PRESENT)) { | ||||||
| 9230 | Type &= | ||||||
| 9231 | ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9232 | OpenMPOffloadMappingFlags::OMP_MAP_PRESENT); | ||||||
| 9233 | EndMapTypesDiffer = true; | ||||||
| 9234 | } | ||||||
| 9235 | } | ||||||
| 9236 | if (EndMapTypesDiffer) { | ||||||
| 9237 | MapTypesArrayGbl = | ||||||
| 9238 | OMPBuilder.createOffloadMaptypes(Mapping, MaptypesName); | ||||||
| 9239 | Info.RTArgs.MapTypesArrayEnd = MapTypesArrayGbl; | ||||||
| 9240 | } | ||||||
| 9241 | } | ||||||
| 9242 | |||||||
| 9243 | for (unsigned I = 0; I < Info.NumberOfPtrs; ++I) { | ||||||
| 9244 | llvm::Value *BPVal = CombinedInfo.BasePointers[I]; | ||||||
| 9245 | llvm::Value *BP = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||||
| 9246 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||||
| 9247 | Info.RTArgs.BasePointersArray, 0, I); | ||||||
| 9248 | BP = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 9249 | BP, BPVal->getType()->getPointerTo(/*AddrSpace=*/0)); | ||||||
| 9250 | Address BPAddr(BP, BPVal->getType(), | ||||||
| 9251 | Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | ||||||
| 9252 | CGF.Builder.CreateStore(BPVal, BPAddr); | ||||||
| 9253 | |||||||
| 9254 | if (Info.requiresDevicePointerInfo()) | ||||||
| 9255 | if (const ValueDecl *DevVD = CombinedInfo.DevicePtrDecls[I]) | ||||||
| 9256 | Info.CaptureDeviceAddrMap.try_emplace(DevVD, BPAddr); | ||||||
| 9257 | |||||||
| 9258 | llvm::Value *PVal = CombinedInfo.Pointers[I]; | ||||||
| 9259 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||||
| 9260 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||||
| 9261 | Info.RTArgs.PointersArray, 0, I); | ||||||
| 9262 | P = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 9263 | P, PVal->getType()->getPointerTo(/*AddrSpace=*/0)); | ||||||
| 9264 | Address PAddr(P, PVal->getType(), Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | ||||||
| 9265 | CGF.Builder.CreateStore(PVal, PAddr); | ||||||
| 9266 | |||||||
| 9267 | if (RuntimeSizes.test(I)) { | ||||||
| 9268 | llvm::Value *S = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||||
| 9269 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | ||||||
| 9270 | Info.RTArgs.SizesArray, | ||||||
| 9271 | /*Idx0=*/0, | ||||||
| 9272 | /*Idx1=*/I); | ||||||
| 9273 | Address SAddr(S, CGM.Int64Ty, Ctx.getTypeAlignInChars(Int64Ty)); | ||||||
| 9274 | CGF.Builder.CreateStore(CGF.Builder.CreateIntCast(CombinedInfo.Sizes[I], | ||||||
| 9275 | CGM.Int64Ty, | ||||||
| 9276 | /*isSigned=*/true), | ||||||
| 9277 | SAddr); | ||||||
| 9278 | } | ||||||
| 9279 | |||||||
| 9280 | // Fill up the mapper array. | ||||||
| 9281 | llvm::Value *MFunc = llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | ||||||
| 9282 | if (CombinedInfo.Mappers[I]) { | ||||||
| 9283 | MFunc = CGM.getOpenMPRuntime().getOrCreateUserDefinedMapperFunc( | ||||||
| 9284 | cast<OMPDeclareMapperDecl>(CombinedInfo.Mappers[I])); | ||||||
| 9285 | MFunc = CGF.Builder.CreatePointerCast(MFunc, CGM.VoidPtrTy); | ||||||
| 9286 | Info.HasMapper = true; | ||||||
| 9287 | } | ||||||
| 9288 | Address MAddr = CGF.Builder.CreateConstArrayGEP(MappersArray, I); | ||||||
| 9289 | CGF.Builder.CreateStore(MFunc, MAddr); | ||||||
| 9290 | } | ||||||
| 9291 | } | ||||||
| 9292 | |||||||
| 9293 | if (!IsNonContiguous || CombinedInfo.NonContigInfo.Offsets.empty() || | ||||||
| 9294 | Info.NumberOfPtrs == 0) | ||||||
| 9295 | return; | ||||||
| 9296 | |||||||
| 9297 | emitNonContiguousDescriptor(CGF, CombinedInfo, Info); | ||||||
| 9298 | } | ||||||
| 9299 | |||||||
| 9300 | /// Check for inner distribute directive. | ||||||
| 9301 | static const OMPExecutableDirective * | ||||||
| 9302 | getNestedDistributeDirective(ASTContext &Ctx, const OMPExecutableDirective &D) { | ||||||
| 9303 | const auto *CS = D.getInnermostCapturedStmt(); | ||||||
| 9304 | const auto *Body = | ||||||
| 9305 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||||
| 9306 | const Stmt *ChildStmt = | ||||||
| 9307 | CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | ||||||
| 9308 | |||||||
| 9309 | if (const auto *NestedDir = | ||||||
| 9310 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||||
| 9311 | OpenMPDirectiveKind DKind = NestedDir->getDirectiveKind(); | ||||||
| 9312 | switch (D.getDirectiveKind()) { | ||||||
| 9313 | case OMPD_target: | ||||||
| 9314 | if (isOpenMPDistributeDirective(DKind)) | ||||||
| 9315 | return NestedDir; | ||||||
| 9316 | if (DKind == OMPD_teams) { | ||||||
| 9317 | Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers( | ||||||
| 9318 | /*IgnoreCaptured=*/true); | ||||||
| 9319 | if (!Body) | ||||||
| 9320 | return nullptr; | ||||||
| 9321 | ChildStmt = CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | ||||||
| 9322 | if (const auto *NND = | ||||||
| 9323 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||||
| 9324 | DKind = NND->getDirectiveKind(); | ||||||
| 9325 | if (isOpenMPDistributeDirective(DKind)) | ||||||
| 9326 | return NND; | ||||||
| 9327 | } | ||||||
| 9328 | } | ||||||
| 9329 | return nullptr; | ||||||
| 9330 | case OMPD_target_teams: | ||||||
| 9331 | if (isOpenMPDistributeDirective(DKind)) | ||||||
| 9332 | return NestedDir; | ||||||
| 9333 | return nullptr; | ||||||
| 9334 | case OMPD_target_parallel: | ||||||
| 9335 | case OMPD_target_simd: | ||||||
| 9336 | case OMPD_target_parallel_for: | ||||||
| 9337 | case OMPD_target_parallel_for_simd: | ||||||
| 9338 | return nullptr; | ||||||
| 9339 | case OMPD_target_teams_distribute: | ||||||
| 9340 | case OMPD_target_teams_distribute_simd: | ||||||
| 9341 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 9342 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||
| 9343 | case OMPD_parallel: | ||||||
| 9344 | case OMPD_for: | ||||||
| 9345 | case OMPD_parallel_for: | ||||||
| 9346 | case OMPD_parallel_master: | ||||||
| 9347 | case OMPD_parallel_sections: | ||||||
| 9348 | case OMPD_for_simd: | ||||||
| 9349 | case OMPD_parallel_for_simd: | ||||||
| 9350 | case OMPD_cancel: | ||||||
| 9351 | case OMPD_cancellation_point: | ||||||
| 9352 | case OMPD_ordered: | ||||||
| 9353 | case OMPD_threadprivate: | ||||||
| 9354 | case OMPD_allocate: | ||||||
| 9355 | case OMPD_task: | ||||||
| 9356 | case OMPD_simd: | ||||||
| 9357 | case OMPD_tile: | ||||||
| 9358 | case OMPD_unroll: | ||||||
| 9359 | case OMPD_sections: | ||||||
| 9360 | case OMPD_section: | ||||||
| 9361 | case OMPD_single: | ||||||
| 9362 | case OMPD_master: | ||||||
| 9363 | case OMPD_critical: | ||||||
| 9364 | case OMPD_taskyield: | ||||||
| 9365 | case OMPD_barrier: | ||||||
| 9366 | case OMPD_taskwait: | ||||||
| 9367 | case OMPD_taskgroup: | ||||||
| 9368 | case OMPD_atomic: | ||||||
| 9369 | case OMPD_flush: | ||||||
| 9370 | case OMPD_depobj: | ||||||
| 9371 | case OMPD_scan: | ||||||
| 9372 | case OMPD_teams: | ||||||
| 9373 | case OMPD_target_data: | ||||||
| 9374 | case OMPD_target_exit_data: | ||||||
| 9375 | case OMPD_target_enter_data: | ||||||
| 9376 | case OMPD_distribute: | ||||||
| 9377 | case OMPD_distribute_simd: | ||||||
| 9378 | case OMPD_distribute_parallel_for: | ||||||
| 9379 | case OMPD_distribute_parallel_for_simd: | ||||||
| 9380 | case OMPD_teams_distribute: | ||||||
| 9381 | case OMPD_teams_distribute_simd: | ||||||
| 9382 | case OMPD_teams_distribute_parallel_for: | ||||||
| 9383 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 9384 | case OMPD_target_update: | ||||||
| 9385 | case OMPD_declare_simd: | ||||||
| 9386 | case OMPD_declare_variant: | ||||||
| 9387 | case OMPD_begin_declare_variant: | ||||||
| 9388 | case OMPD_end_declare_variant: | ||||||
| 9389 | case OMPD_declare_target: | ||||||
| 9390 | case OMPD_end_declare_target: | ||||||
| 9391 | case OMPD_declare_reduction: | ||||||
| 9392 | case OMPD_declare_mapper: | ||||||
| 9393 | case OMPD_taskloop: | ||||||
| 9394 | case OMPD_taskloop_simd: | ||||||
| 9395 | case OMPD_master_taskloop: | ||||||
| 9396 | case OMPD_master_taskloop_simd: | ||||||
| 9397 | case OMPD_parallel_master_taskloop: | ||||||
| 9398 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 9399 | case OMPD_requires: | ||||||
| 9400 | case OMPD_metadirective: | ||||||
| 9401 | case OMPD_unknown: | ||||||
| 9402 | default: | ||||||
| 9403 | llvm_unreachable("Unexpected directive.")::llvm::llvm_unreachable_internal("Unexpected directive.", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9403); | ||||||
| 9404 | } | ||||||
| 9405 | } | ||||||
| 9406 | |||||||
| 9407 | return nullptr; | ||||||
| 9408 | } | ||||||
| 9409 | |||||||
| 9410 | /// Emit the user-defined mapper function. The code generation follows the | ||||||
| 9411 | /// pattern in the example below. | ||||||
| 9412 | /// \code | ||||||
| 9413 | /// void .omp_mapper.<type_name>.<mapper_id>.(void *rt_mapper_handle, | ||||||
| 9414 | /// void *base, void *begin, | ||||||
| 9415 | /// int64_t size, int64_t type, | ||||||
| 9416 | /// void *name = nullptr) { | ||||||
| 9417 | /// // Allocate space for an array section first or add a base/begin for | ||||||
| 9418 | /// // pointer dereference. | ||||||
| 9419 | /// if ((size > 1 || (base != begin && maptype.IsPtrAndObj)) && | ||||||
| 9420 | /// !maptype.IsDelete) | ||||||
| 9421 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | ||||||
| 9422 | /// size*sizeof(Ty), clearToFromMember(type)); | ||||||
| 9423 | /// // Map members. | ||||||
| 9424 | /// for (unsigned i = 0; i < size; i++) { | ||||||
| 9425 | /// // For each component specified by this mapper: | ||||||
| 9426 | /// for (auto c : begin[i]->all_components) { | ||||||
| 9427 | /// if (c.hasMapper()) | ||||||
| 9428 | /// (*c.Mapper())(rt_mapper_handle, c.arg_base, c.arg_begin, c.arg_size, | ||||||
| 9429 | /// c.arg_type, c.arg_name); | ||||||
| 9430 | /// else | ||||||
| 9431 | /// __tgt_push_mapper_component(rt_mapper_handle, c.arg_base, | ||||||
| 9432 | /// c.arg_begin, c.arg_size, c.arg_type, | ||||||
| 9433 | /// c.arg_name); | ||||||
| 9434 | /// } | ||||||
| 9435 | /// } | ||||||
| 9436 | /// // Delete the array section. | ||||||
| 9437 | /// if (size > 1 && maptype.IsDelete) | ||||||
| 9438 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | ||||||
| 9439 | /// size*sizeof(Ty), clearToFromMember(type)); | ||||||
| 9440 | /// } | ||||||
| 9441 | /// \endcode | ||||||
| 9442 | void CGOpenMPRuntime::emitUserDefinedMapper(const OMPDeclareMapperDecl *D, | ||||||
| 9443 | CodeGenFunction *CGF) { | ||||||
| 9444 | if (UDMMap.count(D) > 0) | ||||||
| 9445 | return; | ||||||
| 9446 | ASTContext &C = CGM.getContext(); | ||||||
| 9447 | QualType Ty = D->getType(); | ||||||
| 9448 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | ||||||
| 9449 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | ||||||
| 9450 | auto *MapperVarDecl = | ||||||
| 9451 | cast<VarDecl>(cast<DeclRefExpr>(D->getMapperVarRef())->getDecl()); | ||||||
| 9452 | SourceLocation Loc = D->getLocation(); | ||||||
| 9453 | CharUnits ElementSize = C.getTypeSizeInChars(Ty); | ||||||
| 9454 | llvm::Type *ElemTy = CGM.getTypes().ConvertTypeForMem(Ty); | ||||||
| 9455 | |||||||
| 9456 | // Prepare mapper function arguments and attributes. | ||||||
| 9457 | ImplicitParamDecl HandleArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 9458 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||||
| 9459 | ImplicitParamDecl BaseArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 9460 | ImplicitParamDecl::Other); | ||||||
| 9461 | ImplicitParamDecl BeginArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 9462 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||||
| 9463 | ImplicitParamDecl SizeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | ||||||
| 9464 | ImplicitParamDecl::Other); | ||||||
| 9465 | ImplicitParamDecl TypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | ||||||
| 9466 | ImplicitParamDecl::Other); | ||||||
| 9467 | ImplicitParamDecl NameArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 9468 | ImplicitParamDecl::Other); | ||||||
| 9469 | FunctionArgList Args; | ||||||
| 9470 | Args.push_back(&HandleArg); | ||||||
| 9471 | Args.push_back(&BaseArg); | ||||||
| 9472 | Args.push_back(&BeginArg); | ||||||
| 9473 | Args.push_back(&SizeArg); | ||||||
| 9474 | Args.push_back(&TypeArg); | ||||||
| 9475 | Args.push_back(&NameArg); | ||||||
| 9476 | const CGFunctionInfo &FnInfo = | ||||||
| 9477 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 9478 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 9479 | SmallString<64> TyStr; | ||||||
| 9480 | llvm::raw_svector_ostream Out(TyStr); | ||||||
| 9481 | CGM.getCXXABI().getMangleContext().mangleTypeName(Ty, Out); | ||||||
| 9482 | std::string Name = getName({"omp_mapper", TyStr, D->getName()}); | ||||||
| 9483 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 9484 | Name, &CGM.getModule()); | ||||||
| 9485 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 9486 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||||
| 9487 | // Start the mapper function code generation. | ||||||
| 9488 | CodeGenFunction MapperCGF(CGM); | ||||||
| 9489 | MapperCGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 9490 | // Compute the starting and end addresses of array elements. | ||||||
| 9491 | llvm::Value *Size = MapperCGF.EmitLoadOfScalar( | ||||||
| 9492 | MapperCGF.GetAddrOfLocalVar(&SizeArg), /*Volatile=*/false, | ||||||
| 9493 | C.getPointerType(Int64Ty), Loc); | ||||||
| 9494 | // Prepare common arguments for array initiation and deletion. | ||||||
| 9495 | llvm::Value *Handle = MapperCGF.EmitLoadOfScalar( | ||||||
| 9496 | MapperCGF.GetAddrOfLocalVar(&HandleArg), | ||||||
| 9497 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||||
| 9498 | llvm::Value *BaseIn = MapperCGF.EmitLoadOfScalar( | ||||||
| 9499 | MapperCGF.GetAddrOfLocalVar(&BaseArg), | ||||||
| 9500 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||||
| 9501 | llvm::Value *BeginIn = MapperCGF.EmitLoadOfScalar( | ||||||
| 9502 | MapperCGF.GetAddrOfLocalVar(&BeginArg), | ||||||
| 9503 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||||
| 9504 | // Convert the size in bytes into the number of array elements. | ||||||
| 9505 | Size = MapperCGF.Builder.CreateExactUDiv( | ||||||
| 9506 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | ||||||
| 9507 | llvm::Value *PtrBegin = MapperCGF.Builder.CreateBitCast( | ||||||
| 9508 | BeginIn, CGM.getTypes().ConvertTypeForMem(PtrTy)); | ||||||
| 9509 | llvm::Value *PtrEnd = MapperCGF.Builder.CreateGEP(ElemTy, PtrBegin, Size); | ||||||
| 9510 | llvm::Value *MapType = MapperCGF.EmitLoadOfScalar( | ||||||
| 9511 | MapperCGF.GetAddrOfLocalVar(&TypeArg), /*Volatile=*/false, | ||||||
| 9512 | C.getPointerType(Int64Ty), Loc); | ||||||
| 9513 | llvm::Value *MapName = MapperCGF.EmitLoadOfScalar( | ||||||
| 9514 | MapperCGF.GetAddrOfLocalVar(&NameArg), | ||||||
| 9515 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||||
| 9516 | |||||||
| 9517 | // Emit array initiation if this is an array section and \p MapType indicates | ||||||
| 9518 | // that memory allocation is required. | ||||||
| 9519 | llvm::BasicBlock *HeadBB = MapperCGF.createBasicBlock("omp.arraymap.head"); | ||||||
| 9520 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | ||||||
| 9521 | MapName, ElementSize, HeadBB, /*IsInit=*/true); | ||||||
| 9522 | |||||||
| 9523 | // Emit a for loop to iterate through SizeArg of elements and map all of them. | ||||||
| 9524 | |||||||
| 9525 | // Emit the loop header block. | ||||||
| 9526 | MapperCGF.EmitBlock(HeadBB); | ||||||
| 9527 | llvm::BasicBlock *BodyBB = MapperCGF.createBasicBlock("omp.arraymap.body"); | ||||||
| 9528 | llvm::BasicBlock *DoneBB = MapperCGF.createBasicBlock("omp.done"); | ||||||
| 9529 | // Evaluate whether the initial condition is satisfied. | ||||||
| 9530 | llvm::Value *IsEmpty = | ||||||
| 9531 | MapperCGF.Builder.CreateICmpEQ(PtrBegin, PtrEnd, "omp.arraymap.isempty"); | ||||||
| 9532 | MapperCGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 9533 | llvm::BasicBlock *EntryBB = MapperCGF.Builder.GetInsertBlock(); | ||||||
| 9534 | |||||||
| 9535 | // Emit the loop body block. | ||||||
| 9536 | MapperCGF.EmitBlock(BodyBB); | ||||||
| 9537 | llvm::BasicBlock *LastBB = BodyBB; | ||||||
| 9538 | llvm::PHINode *PtrPHI = MapperCGF.Builder.CreatePHI( | ||||||
| 9539 | PtrBegin->getType(), 2, "omp.arraymap.ptrcurrent"); | ||||||
| 9540 | PtrPHI->addIncoming(PtrBegin, EntryBB); | ||||||
| 9541 | Address PtrCurrent(PtrPHI, ElemTy, | ||||||
| 9542 | MapperCGF.GetAddrOfLocalVar(&BeginArg) | ||||||
| 9543 | .getAlignment() | ||||||
| 9544 | .alignmentOfArrayElement(ElementSize)); | ||||||
| 9545 | // Privatize the declared variable of mapper to be the current array element. | ||||||
| 9546 | CodeGenFunction::OMPPrivateScope Scope(MapperCGF); | ||||||
| 9547 | Scope.addPrivate(MapperVarDecl, PtrCurrent); | ||||||
| 9548 | (void)Scope.Privatize(); | ||||||
| 9549 | |||||||
| 9550 | // Get map clause information. Fill up the arrays with all mapped variables. | ||||||
| 9551 | MappableExprsHandler::MapCombinedInfoTy Info; | ||||||
| 9552 | MappableExprsHandler MEHandler(*D, MapperCGF); | ||||||
| 9553 | MEHandler.generateAllInfoForMapper(Info); | ||||||
| 9554 | |||||||
| 9555 | // Call the runtime API __tgt_mapper_num_components to get the number of | ||||||
| 9556 | // pre-existing components. | ||||||
| 9557 | llvm::Value *OffloadingArgs[] = {Handle}; | ||||||
| 9558 | llvm::Value *PreviousSize = MapperCGF.EmitRuntimeCall( | ||||||
| 9559 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 9560 | OMPRTL___tgt_mapper_num_components), | ||||||
| 9561 | OffloadingArgs); | ||||||
| 9562 | llvm::Value *ShiftedPreviousSize = MapperCGF.Builder.CreateShl( | ||||||
| 9563 | PreviousSize, | ||||||
| 9564 | MapperCGF.Builder.getInt64(MappableExprsHandler::getFlagMemberOffset())); | ||||||
| 9565 | |||||||
| 9566 | // Fill up the runtime mapper handle for all components. | ||||||
| 9567 | for (unsigned I = 0; I < Info.BasePointers.size(); ++I) { | ||||||
| 9568 | llvm::Value *CurBaseArg = MapperCGF.Builder.CreateBitCast( | ||||||
| 9569 | Info.BasePointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | ||||||
| 9570 | llvm::Value *CurBeginArg = MapperCGF.Builder.CreateBitCast( | ||||||
| 9571 | Info.Pointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | ||||||
| 9572 | llvm::Value *CurSizeArg = Info.Sizes[I]; | ||||||
| 9573 | llvm::Value *CurNameArg = | ||||||
| 9574 | (CGM.getCodeGenOpts().getDebugInfo() == | ||||||
| 9575 | llvm::codegenoptions::NoDebugInfo) | ||||||
| 9576 | ? llvm::ConstantPointerNull::get(CGM.VoidPtrTy) | ||||||
| 9577 | : emitMappingInformation(MapperCGF, OMPBuilder, Info.Exprs[I]); | ||||||
| 9578 | |||||||
| 9579 | // Extract the MEMBER_OF field from the map type. | ||||||
| 9580 | llvm::Value *OriMapType = MapperCGF.Builder.getInt64( | ||||||
| 9581 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9582 | Info.Types[I])); | ||||||
| 9583 | llvm::Value *MemberMapType = | ||||||
| 9584 | MapperCGF.Builder.CreateNUWAdd(OriMapType, ShiftedPreviousSize); | ||||||
| 9585 | |||||||
| 9586 | // Combine the map type inherited from user-defined mapper with that | ||||||
| 9587 | // specified in the program. According to the OMP_MAP_TO and OMP_MAP_FROM | ||||||
| 9588 | // bits of the \a MapType, which is the input argument of the mapper | ||||||
| 9589 | // function, the following code will set the OMP_MAP_TO and OMP_MAP_FROM | ||||||
| 9590 | // bits of MemberMapType. | ||||||
| 9591 | // [OpenMP 5.0], 1.2.6. map-type decay. | ||||||
| 9592 | // | alloc | to | from | tofrom | release | delete | ||||||
| 9593 | // ---------------------------------------------------------- | ||||||
| 9594 | // alloc | alloc | alloc | alloc | alloc | release | delete | ||||||
| 9595 | // to | alloc | to | alloc | to | release | delete | ||||||
| 9596 | // from | alloc | alloc | from | from | release | delete | ||||||
| 9597 | // tofrom | alloc | to | from | tofrom | release | delete | ||||||
| 9598 | llvm::Value *LeftToFrom = MapperCGF.Builder.CreateAnd( | ||||||
| 9599 | MapType, | ||||||
| 9600 | MapperCGF.Builder.getInt64( | ||||||
| 9601 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9602 | OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 9603 | OpenMPOffloadMappingFlags::OMP_MAP_FROM))); | ||||||
| 9604 | llvm::BasicBlock *AllocBB = MapperCGF.createBasicBlock("omp.type.alloc"); | ||||||
| 9605 | llvm::BasicBlock *AllocElseBB = | ||||||
| 9606 | MapperCGF.createBasicBlock("omp.type.alloc.else"); | ||||||
| 9607 | llvm::BasicBlock *ToBB = MapperCGF.createBasicBlock("omp.type.to"); | ||||||
| 9608 | llvm::BasicBlock *ToElseBB = MapperCGF.createBasicBlock("omp.type.to.else"); | ||||||
| 9609 | llvm::BasicBlock *FromBB = MapperCGF.createBasicBlock("omp.type.from"); | ||||||
| 9610 | llvm::BasicBlock *EndBB = MapperCGF.createBasicBlock("omp.type.end"); | ||||||
| 9611 | llvm::Value *IsAlloc = MapperCGF.Builder.CreateIsNull(LeftToFrom); | ||||||
| 9612 | MapperCGF.Builder.CreateCondBr(IsAlloc, AllocBB, AllocElseBB); | ||||||
| 9613 | // In case of alloc, clear OMP_MAP_TO and OMP_MAP_FROM. | ||||||
| 9614 | MapperCGF.EmitBlock(AllocBB); | ||||||
| 9615 | llvm::Value *AllocMapType = MapperCGF.Builder.CreateAnd( | ||||||
| 9616 | MemberMapType, | ||||||
| 9617 | MapperCGF.Builder.getInt64( | ||||||
| 9618 | ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9619 | OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 9620 | OpenMPOffloadMappingFlags::OMP_MAP_FROM))); | ||||||
| 9621 | MapperCGF.Builder.CreateBr(EndBB); | ||||||
| 9622 | MapperCGF.EmitBlock(AllocElseBB); | ||||||
| 9623 | llvm::Value *IsTo = MapperCGF.Builder.CreateICmpEQ( | ||||||
| 9624 | LeftToFrom, | ||||||
| 9625 | MapperCGF.Builder.getInt64( | ||||||
| 9626 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9627 | OpenMPOffloadMappingFlags::OMP_MAP_TO))); | ||||||
| 9628 | MapperCGF.Builder.CreateCondBr(IsTo, ToBB, ToElseBB); | ||||||
| 9629 | // In case of to, clear OMP_MAP_FROM. | ||||||
| 9630 | MapperCGF.EmitBlock(ToBB); | ||||||
| 9631 | llvm::Value *ToMapType = MapperCGF.Builder.CreateAnd( | ||||||
| 9632 | MemberMapType, | ||||||
| 9633 | MapperCGF.Builder.getInt64( | ||||||
| 9634 | ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9635 | OpenMPOffloadMappingFlags::OMP_MAP_FROM))); | ||||||
| 9636 | MapperCGF.Builder.CreateBr(EndBB); | ||||||
| 9637 | MapperCGF.EmitBlock(ToElseBB); | ||||||
| 9638 | llvm::Value *IsFrom = MapperCGF.Builder.CreateICmpEQ( | ||||||
| 9639 | LeftToFrom, | ||||||
| 9640 | MapperCGF.Builder.getInt64( | ||||||
| 9641 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9642 | OpenMPOffloadMappingFlags::OMP_MAP_FROM))); | ||||||
| 9643 | MapperCGF.Builder.CreateCondBr(IsFrom, FromBB, EndBB); | ||||||
| 9644 | // In case of from, clear OMP_MAP_TO. | ||||||
| 9645 | MapperCGF.EmitBlock(FromBB); | ||||||
| 9646 | llvm::Value *FromMapType = MapperCGF.Builder.CreateAnd( | ||||||
| 9647 | MemberMapType, | ||||||
| 9648 | MapperCGF.Builder.getInt64( | ||||||
| 9649 | ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9650 | OpenMPOffloadMappingFlags::OMP_MAP_TO))); | ||||||
| 9651 | // In case of tofrom, do nothing. | ||||||
| 9652 | MapperCGF.EmitBlock(EndBB); | ||||||
| 9653 | LastBB = EndBB; | ||||||
| 9654 | llvm::PHINode *CurMapType = | ||||||
| 9655 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.maptype"); | ||||||
| 9656 | CurMapType->addIncoming(AllocMapType, AllocBB); | ||||||
| 9657 | CurMapType->addIncoming(ToMapType, ToBB); | ||||||
| 9658 | CurMapType->addIncoming(FromMapType, FromBB); | ||||||
| 9659 | CurMapType->addIncoming(MemberMapType, ToElseBB); | ||||||
| 9660 | |||||||
| 9661 | llvm::Value *OffloadingArgs[] = {Handle, CurBaseArg, CurBeginArg, | ||||||
| 9662 | CurSizeArg, CurMapType, CurNameArg}; | ||||||
| 9663 | if (Info.Mappers[I]) { | ||||||
| 9664 | // Call the corresponding mapper function. | ||||||
| 9665 | llvm::Function *MapperFunc = getOrCreateUserDefinedMapperFunc( | ||||||
| 9666 | cast<OMPDeclareMapperDecl>(Info.Mappers[I])); | ||||||
| 9667 | assert(MapperFunc && "Expect a valid mapper function is available.")(static_cast <bool> (MapperFunc && "Expect a valid mapper function is available." ) ? void (0) : __assert_fail ("MapperFunc && \"Expect a valid mapper function is available.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9667, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 9668 | MapperCGF.EmitNounwindRuntimeCall(MapperFunc, OffloadingArgs); | ||||||
| 9669 | } else { | ||||||
| 9670 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | ||||||
| 9671 | // data structure. | ||||||
| 9672 | MapperCGF.EmitRuntimeCall( | ||||||
| 9673 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 9674 | CGM.getModule(), OMPRTL___tgt_push_mapper_component), | ||||||
| 9675 | OffloadingArgs); | ||||||
| 9676 | } | ||||||
| 9677 | } | ||||||
| 9678 | |||||||
| 9679 | // Update the pointer to point to the next element that needs to be mapped, | ||||||
| 9680 | // and check whether we have mapped all elements. | ||||||
| 9681 | llvm::Value *PtrNext = MapperCGF.Builder.CreateConstGEP1_32( | ||||||
| 9682 | ElemTy, PtrPHI, /*Idx0=*/1, "omp.arraymap.next"); | ||||||
| 9683 | PtrPHI->addIncoming(PtrNext, LastBB); | ||||||
| 9684 | llvm::Value *IsDone = | ||||||
| 9685 | MapperCGF.Builder.CreateICmpEQ(PtrNext, PtrEnd, "omp.arraymap.isdone"); | ||||||
| 9686 | llvm::BasicBlock *ExitBB = MapperCGF.createBasicBlock("omp.arraymap.exit"); | ||||||
| 9687 | MapperCGF.Builder.CreateCondBr(IsDone, ExitBB, BodyBB); | ||||||
| 9688 | |||||||
| 9689 | MapperCGF.EmitBlock(ExitBB); | ||||||
| 9690 | // Emit array deletion if this is an array section and \p MapType indicates | ||||||
| 9691 | // that deletion is required. | ||||||
| 9692 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | ||||||
| 9693 | MapName, ElementSize, DoneBB, /*IsInit=*/false); | ||||||
| 9694 | |||||||
| 9695 | // Emit the function exit block. | ||||||
| 9696 | MapperCGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 9697 | MapperCGF.FinishFunction(); | ||||||
| 9698 | UDMMap.try_emplace(D, Fn); | ||||||
| 9699 | if (CGF) { | ||||||
| 9700 | auto &Decls = FunctionUDMMap.FindAndConstruct(CGF->CurFn); | ||||||
| 9701 | Decls.second.push_back(D); | ||||||
| 9702 | } | ||||||
| 9703 | } | ||||||
| 9704 | |||||||
| 9705 | /// Emit the array initialization or deletion portion for user-defined mapper | ||||||
| 9706 | /// code generation. First, it evaluates whether an array section is mapped and | ||||||
| 9707 | /// whether the \a MapType instructs to delete this section. If \a IsInit is | ||||||
| 9708 | /// true, and \a MapType indicates to not delete this array, array | ||||||
| 9709 | /// initialization code is generated. If \a IsInit is false, and \a MapType | ||||||
| 9710 | /// indicates to not this array, array deletion code is generated. | ||||||
| 9711 | void CGOpenMPRuntime::emitUDMapperArrayInitOrDel( | ||||||
| 9712 | CodeGenFunction &MapperCGF, llvm::Value *Handle, llvm::Value *Base, | ||||||
| 9713 | llvm::Value *Begin, llvm::Value *Size, llvm::Value *MapType, | ||||||
| 9714 | llvm::Value *MapName, CharUnits ElementSize, llvm::BasicBlock *ExitBB, | ||||||
| 9715 | bool IsInit) { | ||||||
| 9716 | StringRef Prefix = IsInit ? ".init" : ".del"; | ||||||
| 9717 | |||||||
| 9718 | // Evaluate if this is an array section. | ||||||
| 9719 | llvm::BasicBlock *BodyBB = | ||||||
| 9720 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix})); | ||||||
| 9721 | llvm::Value *IsArray = MapperCGF.Builder.CreateICmpSGT( | ||||||
| 9722 | Size, MapperCGF.Builder.getInt64(1), "omp.arrayinit.isarray"); | ||||||
| 9723 | llvm::Value *DeleteBit = MapperCGF.Builder.CreateAnd( | ||||||
| 9724 | MapType, | ||||||
| 9725 | MapperCGF.Builder.getInt64( | ||||||
| 9726 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9727 | OpenMPOffloadMappingFlags::OMP_MAP_DELETE))); | ||||||
| 9728 | llvm::Value *DeleteCond; | ||||||
| 9729 | llvm::Value *Cond; | ||||||
| 9730 | if (IsInit) { | ||||||
| 9731 | // base != begin? | ||||||
| 9732 | llvm::Value *BaseIsBegin = MapperCGF.Builder.CreateICmpNE(Base, Begin); | ||||||
| 9733 | // IsPtrAndObj? | ||||||
| 9734 | llvm::Value *PtrAndObjBit = MapperCGF.Builder.CreateAnd( | ||||||
| 9735 | MapType, | ||||||
| 9736 | MapperCGF.Builder.getInt64( | ||||||
| 9737 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9738 | OpenMPOffloadMappingFlags::OMP_MAP_PTR_AND_OBJ))); | ||||||
| 9739 | PtrAndObjBit = MapperCGF.Builder.CreateIsNotNull(PtrAndObjBit); | ||||||
| 9740 | BaseIsBegin = MapperCGF.Builder.CreateAnd(BaseIsBegin, PtrAndObjBit); | ||||||
| 9741 | Cond = MapperCGF.Builder.CreateOr(IsArray, BaseIsBegin); | ||||||
| 9742 | DeleteCond = MapperCGF.Builder.CreateIsNull( | ||||||
| 9743 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | ||||||
| 9744 | } else { | ||||||
| 9745 | Cond = IsArray; | ||||||
| 9746 | DeleteCond = MapperCGF.Builder.CreateIsNotNull( | ||||||
| 9747 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | ||||||
| 9748 | } | ||||||
| 9749 | Cond = MapperCGF.Builder.CreateAnd(Cond, DeleteCond); | ||||||
| 9750 | MapperCGF.Builder.CreateCondBr(Cond, BodyBB, ExitBB); | ||||||
| 9751 | |||||||
| 9752 | MapperCGF.EmitBlock(BodyBB); | ||||||
| 9753 | // Get the array size by multiplying element size and element number (i.e., \p | ||||||
| 9754 | // Size). | ||||||
| 9755 | llvm::Value *ArraySize = MapperCGF.Builder.CreateNUWMul( | ||||||
| 9756 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | ||||||
| 9757 | // Remove OMP_MAP_TO and OMP_MAP_FROM from the map type, so that it achieves | ||||||
| 9758 | // memory allocation/deletion purpose only. | ||||||
| 9759 | llvm::Value *MapTypeArg = MapperCGF.Builder.CreateAnd( | ||||||
| 9760 | MapType, | ||||||
| 9761 | MapperCGF.Builder.getInt64( | ||||||
| 9762 | ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9763 | OpenMPOffloadMappingFlags::OMP_MAP_TO | | ||||||
| 9764 | OpenMPOffloadMappingFlags::OMP_MAP_FROM))); | ||||||
| 9765 | MapTypeArg = MapperCGF.Builder.CreateOr( | ||||||
| 9766 | MapTypeArg, | ||||||
| 9767 | MapperCGF.Builder.getInt64( | ||||||
| 9768 | static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>( | ||||||
| 9769 | OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT))); | ||||||
| 9770 | |||||||
| 9771 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | ||||||
| 9772 | // data structure. | ||||||
| 9773 | llvm::Value *OffloadingArgs[] = {Handle, Base, Begin, | ||||||
| 9774 | ArraySize, MapTypeArg, MapName}; | ||||||
| 9775 | MapperCGF.EmitRuntimeCall( | ||||||
| 9776 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 9777 | OMPRTL___tgt_push_mapper_component), | ||||||
| 9778 | OffloadingArgs); | ||||||
| 9779 | } | ||||||
| 9780 | |||||||
| 9781 | llvm::Function *CGOpenMPRuntime::getOrCreateUserDefinedMapperFunc( | ||||||
| 9782 | const OMPDeclareMapperDecl *D) { | ||||||
| 9783 | auto I = UDMMap.find(D); | ||||||
| 9784 | if (I != UDMMap.end()) | ||||||
| 9785 | return I->second; | ||||||
| 9786 | emitUserDefinedMapper(D); | ||||||
| 9787 | return UDMMap.lookup(D); | ||||||
| 9788 | } | ||||||
| 9789 | |||||||
| 9790 | llvm::Value *CGOpenMPRuntime::emitTargetNumIterationsCall( | ||||||
| 9791 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 9792 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||||
| 9793 | const OMPLoopDirective &D)> | ||||||
| 9794 | SizeEmitter) { | ||||||
| 9795 | OpenMPDirectiveKind Kind = D.getDirectiveKind(); | ||||||
| 9796 | const OMPExecutableDirective *TD = &D; | ||||||
| 9797 | // Get nested teams distribute kind directive, if any. | ||||||
| 9798 | if (!isOpenMPDistributeDirective(Kind) || !isOpenMPTeamsDirective(Kind)) | ||||||
| 9799 | TD = getNestedDistributeDirective(CGM.getContext(), D); | ||||||
| 9800 | if (!TD) | ||||||
| 9801 | return llvm::ConstantInt::get(CGF.Int64Ty, 0); | ||||||
| 9802 | |||||||
| 9803 | const auto *LD = cast<OMPLoopDirective>(TD); | ||||||
| 9804 | if (llvm::Value *NumIterations = SizeEmitter(CGF, *LD)) | ||||||
| 9805 | return NumIterations; | ||||||
| 9806 | return llvm::ConstantInt::get(CGF.Int64Ty, 0); | ||||||
| 9807 | } | ||||||
| 9808 | |||||||
| 9809 | void CGOpenMPRuntime::emitTargetCall( | ||||||
| 9810 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 9811 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | ||||||
| 9812 | llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device, | ||||||
| 9813 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||||
| 9814 | const OMPLoopDirective &D)> | ||||||
| 9815 | SizeEmitter) { | ||||||
| 9816 | if (!CGF.HaveInsertPoint()) | ||||||
| 9817 | return; | ||||||
| 9818 | |||||||
| 9819 | const bool OffloadingMandatory = !CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 9820 | CGM.getLangOpts().OpenMPOffloadMandatory; | ||||||
| 9821 | |||||||
| 9822 | assert((OffloadingMandatory || OutlinedFn) && "Invalid outlined function!")(static_cast <bool> ((OffloadingMandatory || OutlinedFn ) && "Invalid outlined function!") ? void (0) : __assert_fail ("(OffloadingMandatory || OutlinedFn) && \"Invalid outlined function!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9822, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 9823 | |||||||
| 9824 | const bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>() || | ||||||
| 9825 | D.hasClausesOfKind<OMPNowaitClause>() || | ||||||
| 9826 | D.hasClausesOfKind<OMPInReductionClause>(); | ||||||
| 9827 | llvm::SmallVector<llvm::Value *, 16> CapturedVars; | ||||||
| 9828 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | ||||||
| 9829 | auto &&ArgsCodegen = [&CS, &CapturedVars](CodeGenFunction &CGF, | ||||||
| 9830 | PrePostActionTy &) { | ||||||
| 9831 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | ||||||
| 9832 | }; | ||||||
| 9833 | emitInlinedDirective(CGF, OMPD_unknown, ArgsCodegen); | ||||||
| 9834 | |||||||
| 9835 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||||
| 9836 | llvm::Value *MapTypesArray = nullptr; | ||||||
| 9837 | llvm::Value *MapNamesArray = nullptr; | ||||||
| 9838 | // Generate code for the host fallback function. | ||||||
| 9839 | auto &&FallbackGen = [this, OutlinedFn, &D, &CapturedVars, RequiresOuterTask, | ||||||
| 9840 | &CS, OffloadingMandatory](CodeGenFunction &CGF) { | ||||||
| 9841 | if (OffloadingMandatory) { | ||||||
| 9842 | CGF.Builder.CreateUnreachable(); | ||||||
| 9843 | } else { | ||||||
| 9844 | if (RequiresOuterTask) { | ||||||
| 9845 | CapturedVars.clear(); | ||||||
| 9846 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | ||||||
| 9847 | } | ||||||
| 9848 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | ||||||
| 9849 | } | ||||||
| 9850 | }; | ||||||
| 9851 | // Fill up the pointer arrays and transfer execution to the device. | ||||||
| 9852 | auto &&ThenGen = [this, Device, OutlinedFnID, &D, &InputInfo, &MapTypesArray, | ||||||
| 9853 | &MapNamesArray, SizeEmitter, | ||||||
| 9854 | FallbackGen](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 9855 | if (Device.getInt() == OMPC_DEVICE_ancestor) { | ||||||
| 9856 | // Reverse offloading is not supported, so just execute on the host. | ||||||
| 9857 | FallbackGen(CGF); | ||||||
| 9858 | return; | ||||||
| 9859 | } | ||||||
| 9860 | |||||||
| 9861 | // On top of the arrays that were filled up, the target offloading call | ||||||
| 9862 | // takes as arguments the device id as well as the host pointer. The host | ||||||
| 9863 | // pointer is used by the runtime library to identify the current target | ||||||
| 9864 | // region, so it only has to be unique and not necessarily point to | ||||||
| 9865 | // anything. It could be the pointer to the outlined function that | ||||||
| 9866 | // implements the target region, but we aren't using that so that the | ||||||
| 9867 | // compiler doesn't need to keep that, and could therefore inline the host | ||||||
| 9868 | // function if proven worthwhile during optimization. | ||||||
| 9869 | |||||||
| 9870 | // From this point on, we need to have an ID of the target region defined. | ||||||
| 9871 | assert(OutlinedFnID && "Invalid outlined function ID!")(static_cast <bool> (OutlinedFnID && "Invalid outlined function ID!" ) ? void (0) : __assert_fail ("OutlinedFnID && \"Invalid outlined function ID!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9871, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 9872 | (void)OutlinedFnID; | ||||||
| 9873 | |||||||
| 9874 | // Emit device ID if any. | ||||||
| 9875 | llvm::Value *DeviceID; | ||||||
| 9876 | if (Device.getPointer()) { | ||||||
| 9877 | assert((Device.getInt() == OMPC_DEVICE_unknown ||(static_cast <bool> ((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? void (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9879, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 9878 | Device.getInt() == OMPC_DEVICE_device_num) &&(static_cast <bool> ((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? void (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9879, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 9879 | "Expected device_num modifier.")(static_cast <bool> ((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? void (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 9879, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 9880 | llvm::Value *DevVal = CGF.EmitScalarExpr(Device.getPointer()); | ||||||
| 9881 | DeviceID = | ||||||
| 9882 | CGF.Builder.CreateIntCast(DevVal, CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 9883 | } else { | ||||||
| 9884 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 9885 | } | ||||||
| 9886 | |||||||
| 9887 | // Emit the number of elements in the offloading arrays. | ||||||
| 9888 | llvm::Value *PointerNum = | ||||||
| 9889 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | ||||||
| 9890 | |||||||
| 9891 | // Return value of the runtime offloading call. | ||||||
| 9892 | llvm::Value *Return; | ||||||
| 9893 | |||||||
| 9894 | llvm::Value *NumTeams = emitNumTeamsForTargetDirective(CGF, D); | ||||||
| 9895 | llvm::Value *NumThreads = emitNumThreadsForTargetDirective(CGF, D); | ||||||
| 9896 | |||||||
| 9897 | // Source location for the ident struct | ||||||
| 9898 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 9899 | |||||||
| 9900 | // Get tripcount for the target loop-based directive. | ||||||
| 9901 | llvm::Value *NumIterations = | ||||||
| 9902 | emitTargetNumIterationsCall(CGF, D, SizeEmitter); | ||||||
| 9903 | |||||||
| 9904 | llvm::Value *DynCGroupMem = CGF.Builder.getInt32(0); | ||||||
| 9905 | if (auto *DynMemClause = D.getSingleClause<OMPXDynCGroupMemClause>()) { | ||||||
| 9906 | CodeGenFunction::RunCleanupsScope DynCGroupMemScope(CGF); | ||||||
| 9907 | llvm::Value *DynCGroupMemVal = CGF.EmitScalarExpr( | ||||||
| 9908 | DynMemClause->getSize(), /*IgnoreResultAssign=*/true); | ||||||
| 9909 | DynCGroupMem = CGF.Builder.CreateIntCast(DynCGroupMemVal, CGF.Int32Ty, | ||||||
| 9910 | /*isSigned=*/false); | ||||||
| 9911 | } | ||||||
| 9912 | |||||||
| 9913 | llvm::Value *ZeroArray = | ||||||
| 9914 | llvm::Constant::getNullValue(llvm::ArrayType::get(CGF.CGM.Int32Ty, 3)); | ||||||
| 9915 | |||||||
| 9916 | bool HasNoWait = D.hasClausesOfKind<OMPNowaitClause>(); | ||||||
| 9917 | llvm::Value *Flags = CGF.Builder.getInt64(HasNoWait); | ||||||
| 9918 | |||||||
| 9919 | llvm::Value *NumTeams3D = | ||||||
| 9920 | CGF.Builder.CreateInsertValue(ZeroArray, NumTeams, {0}); | ||||||
| 9921 | llvm::Value *NumThreads3D = | ||||||
| 9922 | CGF.Builder.CreateInsertValue(ZeroArray, NumThreads, {0}); | ||||||
| 9923 | |||||||
| 9924 | // Arguments for the target kernel. | ||||||
| 9925 | SmallVector<llvm::Value *> KernelArgs{ | ||||||
| 9926 | CGF.Builder.getInt32(/* Version */ 2), | ||||||
| 9927 | PointerNum, | ||||||
| 9928 | InputInfo.BasePointersArray.getPointer(), | ||||||
| 9929 | InputInfo.PointersArray.getPointer(), | ||||||
| 9930 | InputInfo.SizesArray.getPointer(), | ||||||
| 9931 | MapTypesArray, | ||||||
| 9932 | MapNamesArray, | ||||||
| 9933 | InputInfo.MappersArray.getPointer(), | ||||||
| 9934 | NumIterations, | ||||||
| 9935 | Flags, | ||||||
| 9936 | NumTeams3D, | ||||||
| 9937 | NumThreads3D, | ||||||
| 9938 | DynCGroupMem, | ||||||
| 9939 | }; | ||||||
| 9940 | |||||||
| 9941 | llvm::OpenMPIRBuilder::InsertPointTy AllocaIP( | ||||||
| 9942 | CGF.AllocaInsertPt->getParent(), CGF.AllocaInsertPt->getIterator()); | ||||||
| 9943 | |||||||
| 9944 | // The target region is an outlined function launched by the runtime | ||||||
| 9945 | // via calls to __tgt_target_kernel(). | ||||||
| 9946 | // | ||||||
| 9947 | // Note that on the host and CPU targets, the runtime implementation of | ||||||
| 9948 | // these calls simply call the outlined function without forking threads. | ||||||
| 9949 | // The outlined functions themselves have runtime calls to | ||||||
| 9950 | // __kmpc_fork_teams() and __kmpc_fork() for this purpose, codegen'd by | ||||||
| 9951 | // the compiler in emitTeamsCall() and emitParallelCall(). | ||||||
| 9952 | // | ||||||
| 9953 | // In contrast, on the NVPTX target, the implementation of | ||||||
| 9954 | // __tgt_target_teams() launches a GPU kernel with the requested number | ||||||
| 9955 | // of teams and threads so no additional calls to the runtime are required. | ||||||
| 9956 | // Check the error code and execute the host version if required. | ||||||
| 9957 | CGF.Builder.restoreIP(OMPBuilder.emitTargetKernel( | ||||||
| 9958 | CGF.Builder, AllocaIP, Return, RTLoc, DeviceID, NumTeams, NumThreads, | ||||||
| 9959 | OutlinedFnID, KernelArgs)); | ||||||
| 9960 | |||||||
| 9961 | llvm::BasicBlock *OffloadFailedBlock = | ||||||
| 9962 | CGF.createBasicBlock("omp_offload.failed"); | ||||||
| 9963 | llvm::BasicBlock *OffloadContBlock = | ||||||
| 9964 | CGF.createBasicBlock("omp_offload.cont"); | ||||||
| 9965 | llvm::Value *Failed = CGF.Builder.CreateIsNotNull(Return); | ||||||
| 9966 | CGF.Builder.CreateCondBr(Failed, OffloadFailedBlock, OffloadContBlock); | ||||||
| 9967 | |||||||
| 9968 | CGF.EmitBlock(OffloadFailedBlock); | ||||||
| 9969 | FallbackGen(CGF); | ||||||
| 9970 | |||||||
| 9971 | CGF.EmitBranch(OffloadContBlock); | ||||||
| 9972 | |||||||
| 9973 | CGF.EmitBlock(OffloadContBlock, /*IsFinished=*/true); | ||||||
| 9974 | }; | ||||||
| 9975 | |||||||
| 9976 | // Notify that the host version must be executed. | ||||||
| 9977 | auto &&ElseGen = [FallbackGen](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 9978 | FallbackGen(CGF); | ||||||
| 9979 | }; | ||||||
| 9980 | |||||||
| 9981 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | ||||||
| 9982 | &MapNamesArray, &CapturedVars, RequiresOuterTask, | ||||||
| 9983 | &CS](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 9984 | // Fill up the arrays with all the captured variables. | ||||||
| 9985 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | ||||||
| 9986 | |||||||
| 9987 | // Get mappable expression information. | ||||||
| 9988 | MappableExprsHandler MEHandler(D, CGF); | ||||||
| 9989 | llvm::DenseMap<llvm::Value *, llvm::Value *> LambdaPointers; | ||||||
| 9990 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> MappedVarSet; | ||||||
| 9991 | |||||||
| 9992 | auto RI = CS.getCapturedRecordDecl()->field_begin(); | ||||||
| 9993 | auto *CV = CapturedVars.begin(); | ||||||
| 9994 | for (CapturedStmt::const_capture_iterator CI = CS.capture_begin(), | ||||||
| 9995 | CE = CS.capture_end(); | ||||||
| 9996 | CI != CE; ++CI, ++RI, ++CV) { | ||||||
| 9997 | MappableExprsHandler::MapCombinedInfoTy CurInfo; | ||||||
| 9998 | MappableExprsHandler::StructRangeInfoTy PartialStruct; | ||||||
| 9999 | |||||||
| 10000 | // VLA sizes are passed to the outlined region by copy and do not have map | ||||||
| 10001 | // information associated. | ||||||
| 10002 | if (CI->capturesVariableArrayType()) { | ||||||
| 10003 | CurInfo.Exprs.push_back(nullptr); | ||||||
| 10004 | CurInfo.BasePointers.push_back(*CV); | ||||||
| 10005 | CurInfo.DevicePtrDecls.push_back(nullptr); | ||||||
| 10006 | CurInfo.Pointers.push_back(*CV); | ||||||
| 10007 | CurInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | ||||||
| 10008 | CGF.getTypeSize(RI->getType()), CGF.Int64Ty, /*isSigned=*/true)); | ||||||
| 10009 | // Copy to the device as an argument. No need to retrieve it. | ||||||
| 10010 | CurInfo.Types.push_back( | ||||||
| 10011 | OpenMPOffloadMappingFlags::OMP_MAP_LITERAL | | ||||||
| 10012 | OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM | | ||||||
| 10013 | OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT); | ||||||
| 10014 | CurInfo.Mappers.push_back(nullptr); | ||||||
| 10015 | } else { | ||||||
| 10016 | // If we have any information in the map clause, we use it, otherwise we | ||||||
| 10017 | // just do a default mapping. | ||||||
| 10018 | MEHandler.generateInfoForCapture(CI, *CV, CurInfo, PartialStruct); | ||||||
| 10019 | if (!CI->capturesThis()) | ||||||
| 10020 | MappedVarSet.insert(CI->getCapturedVar()); | ||||||
| 10021 | else | ||||||
| 10022 | MappedVarSet.insert(nullptr); | ||||||
| 10023 | if (CurInfo.BasePointers.empty() && !PartialStruct.Base.isValid()) | ||||||
| 10024 | MEHandler.generateDefaultMapInfo(*CI, **RI, *CV, CurInfo); | ||||||
| 10025 | // Generate correct mapping for variables captured by reference in | ||||||
| 10026 | // lambdas. | ||||||
| 10027 | if (CI->capturesVariable()) | ||||||
| 10028 | MEHandler.generateInfoForLambdaCaptures(CI->getCapturedVar(), *CV, | ||||||
| 10029 | CurInfo, LambdaPointers); | ||||||
| 10030 | } | ||||||
| 10031 | // We expect to have at least an element of information for this capture. | ||||||
| 10032 | assert((!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) &&(static_cast <bool> ((!CurInfo.BasePointers.empty() || PartialStruct .Base.isValid()) && "Non-existing map pointer for capture!" ) ? void (0) : __assert_fail ("(!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) && \"Non-existing map pointer for capture!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10033, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10033 | "Non-existing map pointer for capture!")(static_cast <bool> ((!CurInfo.BasePointers.empty() || PartialStruct .Base.isValid()) && "Non-existing map pointer for capture!" ) ? void (0) : __assert_fail ("(!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) && \"Non-existing map pointer for capture!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10033, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10034 | assert(CurInfo.BasePointers.size() == CurInfo.Pointers.size() &&(static_cast <bool> (CurInfo.BasePointers.size() == CurInfo .Pointers.size() && CurInfo.BasePointers.size() == CurInfo .Sizes.size() && CurInfo.BasePointers.size() == CurInfo .Types.size() && CurInfo.BasePointers.size() == CurInfo .Mappers.size() && "Inconsistent map information sizes!" ) ? void (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10038, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10035 | CurInfo.BasePointers.size() == CurInfo.Sizes.size() &&(static_cast <bool> (CurInfo.BasePointers.size() == CurInfo .Pointers.size() && CurInfo.BasePointers.size() == CurInfo .Sizes.size() && CurInfo.BasePointers.size() == CurInfo .Types.size() && CurInfo.BasePointers.size() == CurInfo .Mappers.size() && "Inconsistent map information sizes!" ) ? void (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10038, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10036 | CurInfo.BasePointers.size() == CurInfo.Types.size() &&(static_cast <bool> (CurInfo.BasePointers.size() == CurInfo .Pointers.size() && CurInfo.BasePointers.size() == CurInfo .Sizes.size() && CurInfo.BasePointers.size() == CurInfo .Types.size() && CurInfo.BasePointers.size() == CurInfo .Mappers.size() && "Inconsistent map information sizes!" ) ? void (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10038, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10037 | CurInfo.BasePointers.size() == CurInfo.Mappers.size() &&(static_cast <bool> (CurInfo.BasePointers.size() == CurInfo .Pointers.size() && CurInfo.BasePointers.size() == CurInfo .Sizes.size() && CurInfo.BasePointers.size() == CurInfo .Types.size() && CurInfo.BasePointers.size() == CurInfo .Mappers.size() && "Inconsistent map information sizes!" ) ? void (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10038, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10038 | "Inconsistent map information sizes!")(static_cast <bool> (CurInfo.BasePointers.size() == CurInfo .Pointers.size() && CurInfo.BasePointers.size() == CurInfo .Sizes.size() && CurInfo.BasePointers.size() == CurInfo .Types.size() && CurInfo.BasePointers.size() == CurInfo .Mappers.size() && "Inconsistent map information sizes!" ) ? void (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10038, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10039 | |||||||
| 10040 | // If there is an entry in PartialStruct it means we have a struct with | ||||||
| 10041 | // individual members mapped. Emit an extra combined entry. | ||||||
| 10042 | if (PartialStruct.Base.isValid()) { | ||||||
| 10043 | CombinedInfo.append(PartialStruct.PreliminaryMapData); | ||||||
| 10044 | MEHandler.emitCombinedEntry( | ||||||
| 10045 | CombinedInfo, CurInfo.Types, PartialStruct, CI->capturesThis(), | ||||||
| 10046 | nullptr, !PartialStruct.PreliminaryMapData.BasePointers.empty()); | ||||||
| 10047 | } | ||||||
| 10048 | |||||||
| 10049 | // We need to append the results of this capture to what we already have. | ||||||
| 10050 | CombinedInfo.append(CurInfo); | ||||||
| 10051 | } | ||||||
| 10052 | // Adjust MEMBER_OF flags for the lambdas captures. | ||||||
| 10053 | MEHandler.adjustMemberOfForLambdaCaptures( | ||||||
| 10054 | LambdaPointers, CombinedInfo.BasePointers, CombinedInfo.Pointers, | ||||||
| 10055 | CombinedInfo.Types); | ||||||
| 10056 | // Map any list items in a map clause that were not captures because they | ||||||
| 10057 | // weren't referenced within the construct. | ||||||
| 10058 | MEHandler.generateAllInfo(CombinedInfo, MappedVarSet); | ||||||
| 10059 | |||||||
| 10060 | CGOpenMPRuntime::TargetDataInfo Info; | ||||||
| 10061 | // Fill up the arrays and create the arguments. | ||||||
| 10062 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder); | ||||||
| 10063 | bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() != | ||||||
| 10064 | llvm::codegenoptions::NoDebugInfo; | ||||||
| 10065 | OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, Info.RTArgs, Info, | ||||||
| 10066 | EmitDebug, | ||||||
| 10067 | /*ForEndCall=*/false); | ||||||
| 10068 | |||||||
| 10069 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | ||||||
| 10070 | InputInfo.BasePointersArray = Address(Info.RTArgs.BasePointersArray, | ||||||
| 10071 | CGF.VoidPtrTy, CGM.getPointerAlign()); | ||||||
| 10072 | InputInfo.PointersArray = Address(Info.RTArgs.PointersArray, CGF.VoidPtrTy, | ||||||
| 10073 | CGM.getPointerAlign()); | ||||||
| 10074 | InputInfo.SizesArray = | ||||||
| 10075 | Address(Info.RTArgs.SizesArray, CGF.Int64Ty, CGM.getPointerAlign()); | ||||||
| 10076 | InputInfo.MappersArray = | ||||||
| 10077 | Address(Info.RTArgs.MappersArray, CGF.VoidPtrTy, CGM.getPointerAlign()); | ||||||
| 10078 | MapTypesArray = Info.RTArgs.MapTypesArray; | ||||||
| 10079 | MapNamesArray = Info.RTArgs.MapNamesArray; | ||||||
| 10080 | if (RequiresOuterTask) | ||||||
| 10081 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | ||||||
| 10082 | else | ||||||
| 10083 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | ||||||
| 10084 | }; | ||||||
| 10085 | |||||||
| 10086 | auto &&TargetElseGen = [this, &ElseGen, &D, RequiresOuterTask]( | ||||||
| 10087 | CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 10088 | if (RequiresOuterTask) { | ||||||
| 10089 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||||
| 10090 | CGF.EmitOMPTargetTaskBasedDirective(D, ElseGen, InputInfo); | ||||||
| 10091 | } else { | ||||||
| 10092 | emitInlinedDirective(CGF, D.getDirectiveKind(), ElseGen); | ||||||
| 10093 | } | ||||||
| 10094 | }; | ||||||
| 10095 | |||||||
| 10096 | // If we have a target function ID it means that we need to support | ||||||
| 10097 | // offloading, otherwise, just execute on the host. We need to execute on host | ||||||
| 10098 | // regardless of the conditional in the if clause if, e.g., the user do not | ||||||
| 10099 | // specify target triples. | ||||||
| 10100 | if (OutlinedFnID) { | ||||||
| 10101 | if (IfCond) { | ||||||
| 10102 | emitIfClause(CGF, IfCond, TargetThenGen, TargetElseGen); | ||||||
| 10103 | } else { | ||||||
| 10104 | RegionCodeGenTy ThenRCG(TargetThenGen); | ||||||
| 10105 | ThenRCG(CGF); | ||||||
| 10106 | } | ||||||
| 10107 | } else { | ||||||
| 10108 | RegionCodeGenTy ElseRCG(TargetElseGen); | ||||||
| 10109 | ElseRCG(CGF); | ||||||
| 10110 | } | ||||||
| 10111 | } | ||||||
| 10112 | |||||||
| 10113 | void CGOpenMPRuntime::scanForTargetRegionsFunctions(const Stmt *S, | ||||||
| 10114 | StringRef ParentName) { | ||||||
| 10115 | if (!S) | ||||||
| 10116 | return; | ||||||
| 10117 | |||||||
| 10118 | // Codegen OMP target directives that offload compute to the device. | ||||||
| 10119 | bool RequiresDeviceCodegen = | ||||||
| 10120 | isa<OMPExecutableDirective>(S) && | ||||||
| 10121 | isOpenMPTargetExecutionDirective( | ||||||
| 10122 | cast<OMPExecutableDirective>(S)->getDirectiveKind()); | ||||||
| 10123 | |||||||
| 10124 | if (RequiresDeviceCodegen) { | ||||||
| 10125 | const auto &E = *cast<OMPExecutableDirective>(S); | ||||||
| 10126 | auto EntryInfo = | ||||||
| 10127 | getTargetEntryUniqueInfo(CGM.getContext(), E.getBeginLoc(), ParentName); | ||||||
| 10128 | |||||||
| 10129 | // Is this a target region that should not be emitted as an entry point? If | ||||||
| 10130 | // so just signal we are done with this target region. | ||||||
| 10131 | if (!OMPBuilder.OffloadInfoManager.hasTargetRegionEntryInfo(EntryInfo)) | ||||||
| 10132 | return; | ||||||
| 10133 | |||||||
| 10134 | switch (E.getDirectiveKind()) { | ||||||
| 10135 | case OMPD_target: | ||||||
| 10136 | CodeGenFunction::EmitOMPTargetDeviceFunction(CGM, ParentName, | ||||||
| 10137 | cast<OMPTargetDirective>(E)); | ||||||
| 10138 | break; | ||||||
| 10139 | case OMPD_target_parallel: | ||||||
| 10140 | CodeGenFunction::EmitOMPTargetParallelDeviceFunction( | ||||||
| 10141 | CGM, ParentName, cast<OMPTargetParallelDirective>(E)); | ||||||
| 10142 | break; | ||||||
| 10143 | case OMPD_target_teams: | ||||||
| 10144 | CodeGenFunction::EmitOMPTargetTeamsDeviceFunction( | ||||||
| 10145 | CGM, ParentName, cast<OMPTargetTeamsDirective>(E)); | ||||||
| 10146 | break; | ||||||
| 10147 | case OMPD_target_teams_distribute: | ||||||
| 10148 | CodeGenFunction::EmitOMPTargetTeamsDistributeDeviceFunction( | ||||||
| 10149 | CGM, ParentName, cast<OMPTargetTeamsDistributeDirective>(E)); | ||||||
| 10150 | break; | ||||||
| 10151 | case OMPD_target_teams_distribute_simd: | ||||||
| 10152 | CodeGenFunction::EmitOMPTargetTeamsDistributeSimdDeviceFunction( | ||||||
| 10153 | CGM, ParentName, cast<OMPTargetTeamsDistributeSimdDirective>(E)); | ||||||
| 10154 | break; | ||||||
| 10155 | case OMPD_target_parallel_for: | ||||||
| 10156 | CodeGenFunction::EmitOMPTargetParallelForDeviceFunction( | ||||||
| 10157 | CGM, ParentName, cast<OMPTargetParallelForDirective>(E)); | ||||||
| 10158 | break; | ||||||
| 10159 | case OMPD_target_parallel_for_simd: | ||||||
| 10160 | CodeGenFunction::EmitOMPTargetParallelForSimdDeviceFunction( | ||||||
| 10161 | CGM, ParentName, cast<OMPTargetParallelForSimdDirective>(E)); | ||||||
| 10162 | break; | ||||||
| 10163 | case OMPD_target_simd: | ||||||
| 10164 | CodeGenFunction::EmitOMPTargetSimdDeviceFunction( | ||||||
| 10165 | CGM, ParentName, cast<OMPTargetSimdDirective>(E)); | ||||||
| 10166 | break; | ||||||
| 10167 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 10168 | CodeGenFunction::EmitOMPTargetTeamsDistributeParallelForDeviceFunction( | ||||||
| 10169 | CGM, ParentName, | ||||||
| 10170 | cast<OMPTargetTeamsDistributeParallelForDirective>(E)); | ||||||
| 10171 | break; | ||||||
| 10172 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||
| 10173 | CodeGenFunction:: | ||||||
| 10174 | EmitOMPTargetTeamsDistributeParallelForSimdDeviceFunction( | ||||||
| 10175 | CGM, ParentName, | ||||||
| 10176 | cast<OMPTargetTeamsDistributeParallelForSimdDirective>(E)); | ||||||
| 10177 | break; | ||||||
| 10178 | case OMPD_parallel: | ||||||
| 10179 | case OMPD_for: | ||||||
| 10180 | case OMPD_parallel_for: | ||||||
| 10181 | case OMPD_parallel_master: | ||||||
| 10182 | case OMPD_parallel_sections: | ||||||
| 10183 | case OMPD_for_simd: | ||||||
| 10184 | case OMPD_parallel_for_simd: | ||||||
| 10185 | case OMPD_cancel: | ||||||
| 10186 | case OMPD_cancellation_point: | ||||||
| 10187 | case OMPD_ordered: | ||||||
| 10188 | case OMPD_threadprivate: | ||||||
| 10189 | case OMPD_allocate: | ||||||
| 10190 | case OMPD_task: | ||||||
| 10191 | case OMPD_simd: | ||||||
| 10192 | case OMPD_tile: | ||||||
| 10193 | case OMPD_unroll: | ||||||
| 10194 | case OMPD_sections: | ||||||
| 10195 | case OMPD_section: | ||||||
| 10196 | case OMPD_single: | ||||||
| 10197 | case OMPD_master: | ||||||
| 10198 | case OMPD_critical: | ||||||
| 10199 | case OMPD_taskyield: | ||||||
| 10200 | case OMPD_barrier: | ||||||
| 10201 | case OMPD_taskwait: | ||||||
| 10202 | case OMPD_taskgroup: | ||||||
| 10203 | case OMPD_atomic: | ||||||
| 10204 | case OMPD_flush: | ||||||
| 10205 | case OMPD_depobj: | ||||||
| 10206 | case OMPD_scan: | ||||||
| 10207 | case OMPD_teams: | ||||||
| 10208 | case OMPD_target_data: | ||||||
| 10209 | case OMPD_target_exit_data: | ||||||
| 10210 | case OMPD_target_enter_data: | ||||||
| 10211 | case OMPD_distribute: | ||||||
| 10212 | case OMPD_distribute_simd: | ||||||
| 10213 | case OMPD_distribute_parallel_for: | ||||||
| 10214 | case OMPD_distribute_parallel_for_simd: | ||||||
| 10215 | case OMPD_teams_distribute: | ||||||
| 10216 | case OMPD_teams_distribute_simd: | ||||||
| 10217 | case OMPD_teams_distribute_parallel_for: | ||||||
| 10218 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 10219 | case OMPD_target_update: | ||||||
| 10220 | case OMPD_declare_simd: | ||||||
| 10221 | case OMPD_declare_variant: | ||||||
| 10222 | case OMPD_begin_declare_variant: | ||||||
| 10223 | case OMPD_end_declare_variant: | ||||||
| 10224 | case OMPD_declare_target: | ||||||
| 10225 | case OMPD_end_declare_target: | ||||||
| 10226 | case OMPD_declare_reduction: | ||||||
| 10227 | case OMPD_declare_mapper: | ||||||
| 10228 | case OMPD_taskloop: | ||||||
| 10229 | case OMPD_taskloop_simd: | ||||||
| 10230 | case OMPD_master_taskloop: | ||||||
| 10231 | case OMPD_master_taskloop_simd: | ||||||
| 10232 | case OMPD_parallel_master_taskloop: | ||||||
| 10233 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 10234 | case OMPD_requires: | ||||||
| 10235 | case OMPD_metadirective: | ||||||
| 10236 | case OMPD_unknown: | ||||||
| 10237 | default: | ||||||
| 10238 | llvm_unreachable("Unknown target directive for OpenMP device codegen.")::llvm::llvm_unreachable_internal("Unknown target directive for OpenMP device codegen." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10238); | ||||||
| 10239 | } | ||||||
| 10240 | return; | ||||||
| 10241 | } | ||||||
| 10242 | |||||||
| 10243 | if (const auto *E = dyn_cast<OMPExecutableDirective>(S)) { | ||||||
| 10244 | if (!E->hasAssociatedStmt() || !E->getAssociatedStmt()) | ||||||
| 10245 | return; | ||||||
| 10246 | |||||||
| 10247 | scanForTargetRegionsFunctions(E->getRawStmt(), ParentName); | ||||||
| 10248 | return; | ||||||
| 10249 | } | ||||||
| 10250 | |||||||
| 10251 | // If this is a lambda function, look into its body. | ||||||
| 10252 | if (const auto *L = dyn_cast<LambdaExpr>(S)) | ||||||
| 10253 | S = L->getBody(); | ||||||
| 10254 | |||||||
| 10255 | // Keep looking for target regions recursively. | ||||||
| 10256 | for (const Stmt *II : S->children()) | ||||||
| 10257 | scanForTargetRegionsFunctions(II, ParentName); | ||||||
| 10258 | } | ||||||
| 10259 | |||||||
| 10260 | static bool isAssumedToBeNotEmitted(const ValueDecl *VD, bool IsDevice) { | ||||||
| 10261 | std::optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||||
| 10262 | OMPDeclareTargetDeclAttr::getDeviceType(VD); | ||||||
| 10263 | if (!DevTy) | ||||||
| 10264 | return false; | ||||||
| 10265 | // Do not emit device_type(nohost) functions for the host. | ||||||
| 10266 | if (!IsDevice && DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | ||||||
| 10267 | return true; | ||||||
| 10268 | // Do not emit device_type(host) functions for the device. | ||||||
| 10269 | if (IsDevice && DevTy == OMPDeclareTargetDeclAttr::DT_Host) | ||||||
| 10270 | return true; | ||||||
| 10271 | return false; | ||||||
| 10272 | } | ||||||
| 10273 | |||||||
| 10274 | bool CGOpenMPRuntime::emitTargetFunctions(GlobalDecl GD) { | ||||||
| 10275 | // If emitting code for the host, we do not process FD here. Instead we do | ||||||
| 10276 | // the normal code generation. | ||||||
| 10277 | if (!CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 10278 | if (const auto *FD = dyn_cast<FunctionDecl>(GD.getDecl())) | ||||||
| 10279 | if (isAssumedToBeNotEmitted(cast<ValueDecl>(FD), | ||||||
| 10280 | CGM.getLangOpts().OpenMPIsDevice)) | ||||||
| 10281 | return true; | ||||||
| 10282 | return false; | ||||||
| 10283 | } | ||||||
| 10284 | |||||||
| 10285 | const ValueDecl *VD = cast<ValueDecl>(GD.getDecl()); | ||||||
| 10286 | // Try to detect target regions in the function. | ||||||
| 10287 | if (const auto *FD = dyn_cast<FunctionDecl>(VD)) { | ||||||
| 10288 | StringRef Name = CGM.getMangledName(GD); | ||||||
| 10289 | scanForTargetRegionsFunctions(FD->getBody(), Name); | ||||||
| 10290 | if (isAssumedToBeNotEmitted(cast<ValueDecl>(FD), | ||||||
| 10291 | CGM.getLangOpts().OpenMPIsDevice)) | ||||||
| 10292 | return true; | ||||||
| 10293 | } | ||||||
| 10294 | |||||||
| 10295 | // Do not to emit function if it is not marked as declare target. | ||||||
| 10296 | return !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) && | ||||||
| 10297 | AlreadyEmittedTargetDecls.count(VD) == 0; | ||||||
| 10298 | } | ||||||
| 10299 | |||||||
| 10300 | bool CGOpenMPRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | ||||||
| 10301 | if (isAssumedToBeNotEmitted(cast<ValueDecl>(GD.getDecl()), | ||||||
| 10302 | CGM.getLangOpts().OpenMPIsDevice)) | ||||||
| 10303 | return true; | ||||||
| 10304 | |||||||
| 10305 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 10306 | return false; | ||||||
| 10307 | |||||||
| 10308 | // Check if there are Ctors/Dtors in this declaration and look for target | ||||||
| 10309 | // regions in it. We use the complete variant to produce the kernel name | ||||||
| 10310 | // mangling. | ||||||
| 10311 | QualType RDTy = cast<VarDecl>(GD.getDecl())->getType(); | ||||||
| 10312 | if (const auto *RD = RDTy->getBaseElementTypeUnsafe()->getAsCXXRecordDecl()) { | ||||||
| 10313 | for (const CXXConstructorDecl *Ctor : RD->ctors()) { | ||||||
| 10314 | StringRef ParentName = | ||||||
| 10315 | CGM.getMangledName(GlobalDecl(Ctor, Ctor_Complete)); | ||||||
| 10316 | scanForTargetRegionsFunctions(Ctor->getBody(), ParentName); | ||||||
| 10317 | } | ||||||
| 10318 | if (const CXXDestructorDecl *Dtor = RD->getDestructor()) { | ||||||
| 10319 | StringRef ParentName = | ||||||
| 10320 | CGM.getMangledName(GlobalDecl(Dtor, Dtor_Complete)); | ||||||
| 10321 | scanForTargetRegionsFunctions(Dtor->getBody(), ParentName); | ||||||
| 10322 | } | ||||||
| 10323 | } | ||||||
| 10324 | |||||||
| 10325 | // Do not to emit variable if it is not marked as declare target. | ||||||
| 10326 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 10327 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( | ||||||
| 10328 | cast<VarDecl>(GD.getDecl())); | ||||||
| 10329 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||||
| 10330 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 10331 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 10332 | HasRequiresUnifiedSharedMemory)) { | ||||||
| 10333 | DeferredGlobalVariables.insert(cast<VarDecl>(GD.getDecl())); | ||||||
| 10334 | return true; | ||||||
| 10335 | } | ||||||
| 10336 | return false; | ||||||
| 10337 | } | ||||||
| 10338 | |||||||
| 10339 | void CGOpenMPRuntime::registerTargetGlobalVariable(const VarDecl *VD, | ||||||
| 10340 | llvm::Constant *Addr) { | ||||||
| 10341 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | ||||||
| 10342 | !CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 10343 | return; | ||||||
| 10344 | |||||||
| 10345 | // If we have host/nohost variables, they do not need to be registered. | ||||||
| 10346 | std::optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||||
| 10347 | OMPDeclareTargetDeclAttr::getDeviceType(VD); | ||||||
| 10348 | if (DevTy && *DevTy != OMPDeclareTargetDeclAttr::DT_Any) | ||||||
| 10349 | return; | ||||||
| 10350 | |||||||
| 10351 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 10352 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 10353 | if (!Res) { | ||||||
| 10354 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 10355 | // Register non-target variables being emitted in device code (debug info | ||||||
| 10356 | // may cause this). | ||||||
| 10357 | StringRef VarName = CGM.getMangledName(VD); | ||||||
| 10358 | EmittedNonTargetVariables.try_emplace(VarName, Addr); | ||||||
| 10359 | } | ||||||
| 10360 | return; | ||||||
| 10361 | } | ||||||
| 10362 | // Register declare target variables. | ||||||
| 10363 | llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryKind Flags; | ||||||
| 10364 | StringRef VarName; | ||||||
| 10365 | int64_t VarSize; | ||||||
| 10366 | llvm::GlobalValue::LinkageTypes Linkage; | ||||||
| 10367 | |||||||
| 10368 | if ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 10369 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 10370 | !HasRequiresUnifiedSharedMemory) { | ||||||
| 10371 | Flags = llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryTo; | ||||||
| 10372 | VarName = CGM.getMangledName(VD); | ||||||
| 10373 | if (VD->hasDefinition(CGM.getContext()) != VarDecl::DeclarationOnly) { | ||||||
| 10374 | VarSize = | ||||||
| 10375 | CGM.getContext().getTypeSizeInChars(VD->getType()).getQuantity(); | ||||||
| 10376 | assert(VarSize != 0 && "Expected non-zero size of the variable")(static_cast <bool> (VarSize != 0 && "Expected non-zero size of the variable" ) ? void (0) : __assert_fail ("VarSize != 0 && \"Expected non-zero size of the variable\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10376, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10377 | } else { | ||||||
| 10378 | VarSize = 0; | ||||||
| 10379 | } | ||||||
| 10380 | Linkage = CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false); | ||||||
| 10381 | // Temp solution to prevent optimizations of the internal variables. | ||||||
| 10382 | if (CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 10383 | (!VD->isExternallyVisible() || | ||||||
| 10384 | Linkage == llvm::GlobalValue::LinkOnceODRLinkage)) { | ||||||
| 10385 | // Do not create a "ref-variable" if the original is not also available | ||||||
| 10386 | // on the host. | ||||||
| 10387 | if (!OMPBuilder.OffloadInfoManager.hasDeviceGlobalVarEntryInfo(VarName)) | ||||||
| 10388 | return; | ||||||
| 10389 | std::string RefName = getName({VarName, "ref"}); | ||||||
| 10390 | if (!CGM.GetGlobalValue(RefName)) { | ||||||
| 10391 | llvm::Constant *AddrRef = | ||||||
| 10392 | OMPBuilder.getOrCreateInternalVariable(Addr->getType(), RefName); | ||||||
| 10393 | auto *GVAddrRef = cast<llvm::GlobalVariable>(AddrRef); | ||||||
| 10394 | GVAddrRef->setConstant(/*Val=*/true); | ||||||
| 10395 | GVAddrRef->setLinkage(llvm::GlobalValue::InternalLinkage); | ||||||
| 10396 | GVAddrRef->setInitializer(Addr); | ||||||
| 10397 | CGM.addCompilerUsedGlobal(GVAddrRef); | ||||||
| 10398 | } | ||||||
| 10399 | } | ||||||
| 10400 | } else { | ||||||
| 10401 | assert(((*Res == OMPDeclareTargetDeclAttr::MT_Link) ||(static_cast <bool> (((*Res == OMPDeclareTargetDeclAttr ::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Declare target attribute must link or to with unified memory." ) ? void (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10405, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10402 | ((*Res == OMPDeclareTargetDeclAttr::MT_To ||(static_cast <bool> (((*Res == OMPDeclareTargetDeclAttr ::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Declare target attribute must link or to with unified memory." ) ? void (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10405, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10403 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) &&(static_cast <bool> (((*Res == OMPDeclareTargetDeclAttr ::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Declare target attribute must link or to with unified memory." ) ? void (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10405, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10404 | HasRequiresUnifiedSharedMemory)) &&(static_cast <bool> (((*Res == OMPDeclareTargetDeclAttr ::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Declare target attribute must link or to with unified memory." ) ? void (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10405, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10405 | "Declare target attribute must link or to with unified memory.")(static_cast <bool> (((*Res == OMPDeclareTargetDeclAttr ::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Declare target attribute must link or to with unified memory." ) ? void (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10405, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10406 | if (*Res == OMPDeclareTargetDeclAttr::MT_Link) | ||||||
| 10407 | Flags = llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryLink; | ||||||
| 10408 | else | ||||||
| 10409 | Flags = llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryTo; | ||||||
| 10410 | |||||||
| 10411 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 10412 | VarName = Addr->getName(); | ||||||
| 10413 | Addr = nullptr; | ||||||
| 10414 | } else { | ||||||
| 10415 | VarName = getAddrOfDeclareTargetVar(VD).getName(); | ||||||
| 10416 | Addr = cast<llvm::Constant>(getAddrOfDeclareTargetVar(VD).getPointer()); | ||||||
| 10417 | } | ||||||
| 10418 | VarSize = CGM.getPointerSize().getQuantity(); | ||||||
| 10419 | Linkage = llvm::GlobalValue::WeakAnyLinkage; | ||||||
| 10420 | } | ||||||
| 10421 | |||||||
| 10422 | OMPBuilder.OffloadInfoManager.registerDeviceGlobalVarEntryInfo( | ||||||
| 10423 | VarName, Addr, VarSize, Flags, Linkage); | ||||||
| 10424 | } | ||||||
| 10425 | |||||||
| 10426 | bool CGOpenMPRuntime::emitTargetGlobal(GlobalDecl GD) { | ||||||
| 10427 | if (isa<FunctionDecl>(GD.getDecl()) || | ||||||
| 10428 | isa<OMPDeclareReductionDecl>(GD.getDecl())) | ||||||
| 10429 | return emitTargetFunctions(GD); | ||||||
| 10430 | |||||||
| 10431 | return emitTargetGlobalVariable(GD); | ||||||
| 10432 | } | ||||||
| 10433 | |||||||
| 10434 | void CGOpenMPRuntime::emitDeferredTargetDecls() const { | ||||||
| 10435 | for (const VarDecl *VD : DeferredGlobalVariables) { | ||||||
| 10436 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 10437 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 10438 | if (!Res) | ||||||
| 10439 | continue; | ||||||
| 10440 | if ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 10441 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 10442 | !HasRequiresUnifiedSharedMemory) { | ||||||
| 10443 | CGM.EmitGlobal(VD); | ||||||
| 10444 | } else { | ||||||
| 10445 | assert((*Res == OMPDeclareTargetDeclAttr::MT_Link ||(static_cast <bool> ((*Res == OMPDeclareTargetDeclAttr:: MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Expected link clause or to clause with unified memory." ) ? void (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10449, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10446 | ((*Res == OMPDeclareTargetDeclAttr::MT_To ||(static_cast <bool> ((*Res == OMPDeclareTargetDeclAttr:: MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Expected link clause or to clause with unified memory." ) ? void (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10449, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10447 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) &&(static_cast <bool> ((*Res == OMPDeclareTargetDeclAttr:: MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Expected link clause or to clause with unified memory." ) ? void (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10449, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10448 | HasRequiresUnifiedSharedMemory)) &&(static_cast <bool> ((*Res == OMPDeclareTargetDeclAttr:: MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Expected link clause or to clause with unified memory." ) ? void (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10449, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10449 | "Expected link clause or to clause with unified memory.")(static_cast <bool> ((*Res == OMPDeclareTargetDeclAttr:: MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory )) && "Expected link clause or to clause with unified memory." ) ? void (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || ((*Res == OMPDeclareTargetDeclAttr::MT_To || *Res == OMPDeclareTargetDeclAttr::MT_Enter) && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10449, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10450 | (void)CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | ||||||
| 10451 | } | ||||||
| 10452 | } | ||||||
| 10453 | } | ||||||
| 10454 | |||||||
| 10455 | void CGOpenMPRuntime::adjustTargetSpecificDataForLambdas( | ||||||
| 10456 | CodeGenFunction &CGF, const OMPExecutableDirective &D) const { | ||||||
| 10457 | assert(isOpenMPTargetExecutionDirective(D.getDirectiveKind()) &&(static_cast <bool> (isOpenMPTargetExecutionDirective(D .getDirectiveKind()) && " Expected target-based directive." ) ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && \" Expected target-based directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10458, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10458 | " Expected target-based directive.")(static_cast <bool> (isOpenMPTargetExecutionDirective(D .getDirectiveKind()) && " Expected target-based directive." ) ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && \" Expected target-based directive.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10458, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10459 | } | ||||||
| 10460 | |||||||
| 10461 | void CGOpenMPRuntime::processRequiresDirective(const OMPRequiresDecl *D) { | ||||||
| 10462 | for (const OMPClause *Clause : D->clauselists()) { | ||||||
| 10463 | if (Clause->getClauseKind() == OMPC_unified_shared_memory) { | ||||||
| 10464 | HasRequiresUnifiedSharedMemory = true; | ||||||
| 10465 | OMPBuilder.Config.setHasRequiresUnifiedSharedMemory(true); | ||||||
| 10466 | } else if (const auto *AC = | ||||||
| 10467 | dyn_cast<OMPAtomicDefaultMemOrderClause>(Clause)) { | ||||||
| 10468 | switch (AC->getAtomicDefaultMemOrderKind()) { | ||||||
| 10469 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_acq_rel: | ||||||
| 10470 | RequiresAtomicOrdering = llvm::AtomicOrdering::AcquireRelease; | ||||||
| 10471 | break; | ||||||
| 10472 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_seq_cst: | ||||||
| 10473 | RequiresAtomicOrdering = llvm::AtomicOrdering::SequentiallyConsistent; | ||||||
| 10474 | break; | ||||||
| 10475 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_relaxed: | ||||||
| 10476 | RequiresAtomicOrdering = llvm::AtomicOrdering::Monotonic; | ||||||
| 10477 | break; | ||||||
| 10478 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown: | ||||||
| 10479 | break; | ||||||
| 10480 | } | ||||||
| 10481 | } | ||||||
| 10482 | } | ||||||
| 10483 | } | ||||||
| 10484 | |||||||
| 10485 | llvm::AtomicOrdering CGOpenMPRuntime::getDefaultMemoryOrdering() const { | ||||||
| 10486 | return RequiresAtomicOrdering; | ||||||
| 10487 | } | ||||||
| 10488 | |||||||
| 10489 | bool CGOpenMPRuntime::hasAllocateAttributeForGlobalVar(const VarDecl *VD, | ||||||
| 10490 | LangAS &AS) { | ||||||
| 10491 | if (!VD || !VD->hasAttr<OMPAllocateDeclAttr>()) | ||||||
| 10492 | return false; | ||||||
| 10493 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | ||||||
| 10494 | switch(A->getAllocatorType()) { | ||||||
| 10495 | case OMPAllocateDeclAttr::OMPNullMemAlloc: | ||||||
| 10496 | case OMPAllocateDeclAttr::OMPDefaultMemAlloc: | ||||||
| 10497 | // Not supported, fallback to the default mem space. | ||||||
| 10498 | case OMPAllocateDeclAttr::OMPLargeCapMemAlloc: | ||||||
| 10499 | case OMPAllocateDeclAttr::OMPCGroupMemAlloc: | ||||||
| 10500 | case OMPAllocateDeclAttr::OMPHighBWMemAlloc: | ||||||
| 10501 | case OMPAllocateDeclAttr::OMPLowLatMemAlloc: | ||||||
| 10502 | case OMPAllocateDeclAttr::OMPThreadMemAlloc: | ||||||
| 10503 | case OMPAllocateDeclAttr::OMPConstMemAlloc: | ||||||
| 10504 | case OMPAllocateDeclAttr::OMPPTeamMemAlloc: | ||||||
| 10505 | AS = LangAS::Default; | ||||||
| 10506 | return true; | ||||||
| 10507 | case OMPAllocateDeclAttr::OMPUserDefinedMemAlloc: | ||||||
| 10508 | llvm_unreachable("Expected predefined allocator for the variables with the "::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10509 ) | ||||||
| 10509 | "static storage.")::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10509 ); | ||||||
| 10510 | } | ||||||
| 10511 | return false; | ||||||
| 10512 | } | ||||||
| 10513 | |||||||
| 10514 | bool CGOpenMPRuntime::hasRequiresUnifiedSharedMemory() const { | ||||||
| 10515 | return HasRequiresUnifiedSharedMemory; | ||||||
| 10516 | } | ||||||
| 10517 | |||||||
| 10518 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::DisableAutoDeclareTargetRAII( | ||||||
| 10519 | CodeGenModule &CGM) | ||||||
| 10520 | : CGM(CGM) { | ||||||
| 10521 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 10522 | SavedShouldMarkAsGlobal = CGM.getOpenMPRuntime().ShouldMarkAsGlobal; | ||||||
| 10523 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = false; | ||||||
| 10524 | } | ||||||
| 10525 | } | ||||||
| 10526 | |||||||
| 10527 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::~DisableAutoDeclareTargetRAII() { | ||||||
| 10528 | if (CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 10529 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = SavedShouldMarkAsGlobal; | ||||||
| 10530 | } | ||||||
| 10531 | |||||||
| 10532 | bool CGOpenMPRuntime::markAsGlobalTarget(GlobalDecl GD) { | ||||||
| 10533 | if (!CGM.getLangOpts().OpenMPIsDevice || !ShouldMarkAsGlobal) | ||||||
| 10534 | return true; | ||||||
| 10535 | |||||||
| 10536 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | ||||||
| 10537 | // Do not to emit function if it is marked as declare target as it was already | ||||||
| 10538 | // emitted. | ||||||
| 10539 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(D)) { | ||||||
| 10540 | if (D->hasBody() && AlreadyEmittedTargetDecls.count(D) == 0) { | ||||||
| 10541 | if (auto *F = dyn_cast_or_null<llvm::Function>( | ||||||
| 10542 | CGM.GetGlobalValue(CGM.getMangledName(GD)))) | ||||||
| 10543 | return !F->isDeclaration(); | ||||||
| 10544 | return false; | ||||||
| 10545 | } | ||||||
| 10546 | return true; | ||||||
| 10547 | } | ||||||
| 10548 | |||||||
| 10549 | return !AlreadyEmittedTargetDecls.insert(D).second; | ||||||
| 10550 | } | ||||||
| 10551 | |||||||
| 10552 | llvm::Function *CGOpenMPRuntime::emitRequiresDirectiveRegFun() { | ||||||
| 10553 | // If we don't have entries or if we are emitting code for the device, we | ||||||
| 10554 | // don't need to do anything. | ||||||
| 10555 | if (CGM.getLangOpts().OMPTargetTriples.empty() || | ||||||
| 10556 | CGM.getLangOpts().OpenMPSimd || CGM.getLangOpts().OpenMPIsDevice || | ||||||
| 10557 | (OMPBuilder.OffloadInfoManager.empty() && | ||||||
| 10558 | !HasEmittedDeclareTargetRegion && !HasEmittedTargetRegion)) | ||||||
| 10559 | return nullptr; | ||||||
| 10560 | |||||||
| 10561 | // Create and register the function that handles the requires directives. | ||||||
| 10562 | ASTContext &C = CGM.getContext(); | ||||||
| 10563 | |||||||
| 10564 | llvm::Function *RequiresRegFn; | ||||||
| 10565 | { | ||||||
| 10566 | CodeGenFunction CGF(CGM); | ||||||
| 10567 | const auto &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||||
| 10568 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 10569 | std::string ReqName = getName({"omp_offloading", "requires_reg"}); | ||||||
| 10570 | RequiresRegFn = CGM.CreateGlobalInitOrCleanUpFunction(FTy, ReqName, FI); | ||||||
| 10571 | CGF.StartFunction(GlobalDecl(), C.VoidTy, RequiresRegFn, FI, {}); | ||||||
| 10572 | OpenMPOffloadingRequiresDirFlags Flags = OMP_REQ_NONE; | ||||||
| 10573 | // TODO: check for other requires clauses. | ||||||
| 10574 | // The requires directive takes effect only when a target region is | ||||||
| 10575 | // present in the compilation unit. Otherwise it is ignored and not | ||||||
| 10576 | // passed to the runtime. This avoids the runtime from throwing an error | ||||||
| 10577 | // for mismatching requires clauses across compilation units that don't | ||||||
| 10578 | // contain at least 1 target region. | ||||||
| 10579 | assert((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion ||(static_cast <bool> ((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && "Target or declare target region expected." ) ? void (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && \"Target or declare target region expected.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10581, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10580 | !OMPBuilder.OffloadInfoManager.empty()) &&(static_cast <bool> ((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && "Target or declare target region expected." ) ? void (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && \"Target or declare target region expected.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10581, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10581 | "Target or declare target region expected.")(static_cast <bool> ((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && "Target or declare target region expected." ) ? void (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OMPBuilder.OffloadInfoManager.empty()) && \"Target or declare target region expected.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10581, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10582 | if (HasRequiresUnifiedSharedMemory) | ||||||
| 10583 | Flags = OMP_REQ_UNIFIED_SHARED_MEMORY; | ||||||
| 10584 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 10585 | CGM.getModule(), OMPRTL___tgt_register_requires), | ||||||
| 10586 | llvm::ConstantInt::get(CGM.Int64Ty, Flags)); | ||||||
| 10587 | CGF.FinishFunction(); | ||||||
| 10588 | } | ||||||
| 10589 | return RequiresRegFn; | ||||||
| 10590 | } | ||||||
| 10591 | |||||||
| 10592 | void CGOpenMPRuntime::emitTeamsCall(CodeGenFunction &CGF, | ||||||
| 10593 | const OMPExecutableDirective &D, | ||||||
| 10594 | SourceLocation Loc, | ||||||
| 10595 | llvm::Function *OutlinedFn, | ||||||
| 10596 | ArrayRef<llvm::Value *> CapturedVars) { | ||||||
| 10597 | if (!CGF.HaveInsertPoint()) | ||||||
| 10598 | return; | ||||||
| 10599 | |||||||
| 10600 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 10601 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||||
| 10602 | |||||||
| 10603 | // Build call __kmpc_fork_teams(loc, n, microtask, var1, .., varn); | ||||||
| 10604 | llvm::Value *Args[] = { | ||||||
| 10605 | RTLoc, | ||||||
| 10606 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | ||||||
| 10607 | CGF.Builder.CreateBitCast(OutlinedFn, getKmpc_MicroPointerTy())}; | ||||||
| 10608 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | ||||||
| 10609 | RealArgs.append(std::begin(Args), std::end(Args)); | ||||||
| 10610 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||||
| 10611 | |||||||
| 10612 | llvm::FunctionCallee RTLFn = OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 10613 | CGM.getModule(), OMPRTL___kmpc_fork_teams); | ||||||
| 10614 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | ||||||
| 10615 | } | ||||||
| 10616 | |||||||
| 10617 | void CGOpenMPRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | ||||||
| 10618 | const Expr *NumTeams, | ||||||
| 10619 | const Expr *ThreadLimit, | ||||||
| 10620 | SourceLocation Loc) { | ||||||
| 10621 | if (!CGF.HaveInsertPoint()) | ||||||
| 10622 | return; | ||||||
| 10623 | |||||||
| 10624 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 10625 | |||||||
| 10626 | llvm::Value *NumTeamsVal = | ||||||
| 10627 | NumTeams | ||||||
| 10628 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(NumTeams), | ||||||
| 10629 | CGF.CGM.Int32Ty, /* isSigned = */ true) | ||||||
| 10630 | : CGF.Builder.getInt32(0); | ||||||
| 10631 | |||||||
| 10632 | llvm::Value *ThreadLimitVal = | ||||||
| 10633 | ThreadLimit | ||||||
| 10634 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(ThreadLimit), | ||||||
| 10635 | CGF.CGM.Int32Ty, /* isSigned = */ true) | ||||||
| 10636 | : CGF.Builder.getInt32(0); | ||||||
| 10637 | |||||||
| 10638 | // Build call __kmpc_push_num_teamss(&loc, global_tid, num_teams, thread_limit) | ||||||
| 10639 | llvm::Value *PushNumTeamsArgs[] = {RTLoc, getThreadID(CGF, Loc), NumTeamsVal, | ||||||
| 10640 | ThreadLimitVal}; | ||||||
| 10641 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 10642 | CGM.getModule(), OMPRTL___kmpc_push_num_teams), | ||||||
| 10643 | PushNumTeamsArgs); | ||||||
| 10644 | } | ||||||
| 10645 | |||||||
| 10646 | void CGOpenMPRuntime::emitTargetDataCalls( | ||||||
| 10647 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||||
| 10648 | const Expr *Device, const RegionCodeGenTy &CodeGen, | ||||||
| 10649 | CGOpenMPRuntime::TargetDataInfo &Info) { | ||||||
| 10650 | if (!CGF.HaveInsertPoint()) | ||||||
| 10651 | return; | ||||||
| 10652 | |||||||
| 10653 | // Action used to replace the default codegen action and turn privatization | ||||||
| 10654 | // off. | ||||||
| 10655 | PrePostActionTy NoPrivAction; | ||||||
| 10656 | |||||||
| 10657 | // Generate the code for the opening of the data environment. Capture all the | ||||||
| 10658 | // arguments of the runtime call by reference because they are used in the | ||||||
| 10659 | // closing of the region. | ||||||
| 10660 | auto &&BeginThenGen = [this, &D, Device, &Info, | ||||||
| 10661 | &CodeGen](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 10662 | // Fill up the arrays with all the mapped variables. | ||||||
| 10663 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | ||||||
| 10664 | |||||||
| 10665 | // Get map clause information. | ||||||
| 10666 | MappableExprsHandler MEHandler(D, CGF); | ||||||
| 10667 | MEHandler.generateAllInfo(CombinedInfo); | ||||||
| 10668 | |||||||
| 10669 | // Fill up the arrays and create the arguments. | ||||||
| 10670 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder, | ||||||
| 10671 | /*IsNonContiguous=*/true); | ||||||
| 10672 | |||||||
| 10673 | llvm::OpenMPIRBuilder::TargetDataRTArgs RTArgs; | ||||||
| 10674 | bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() != | ||||||
| 10675 | llvm::codegenoptions::NoDebugInfo; | ||||||
| 10676 | OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, RTArgs, Info, | ||||||
| 10677 | EmitDebug); | ||||||
| 10678 | |||||||
| 10679 | // Emit device ID if any. | ||||||
| 10680 | llvm::Value *DeviceID = nullptr; | ||||||
| 10681 | if (Device) { | ||||||
| 10682 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||||
| 10683 | CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 10684 | } else { | ||||||
| 10685 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 10686 | } | ||||||
| 10687 | |||||||
| 10688 | // Emit the number of elements in the offloading arrays. | ||||||
| 10689 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | ||||||
| 10690 | // | ||||||
| 10691 | // Source location for the ident struct | ||||||
| 10692 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 10693 | |||||||
| 10694 | llvm::Value *OffloadingArgs[] = {RTLoc, | ||||||
| 10695 | DeviceID, | ||||||
| 10696 | PointerNum, | ||||||
| 10697 | RTArgs.BasePointersArray, | ||||||
| 10698 | RTArgs.PointersArray, | ||||||
| 10699 | RTArgs.SizesArray, | ||||||
| 10700 | RTArgs.MapTypesArray, | ||||||
| 10701 | RTArgs.MapNamesArray, | ||||||
| 10702 | RTArgs.MappersArray}; | ||||||
| 10703 | CGF.EmitRuntimeCall( | ||||||
| 10704 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 10705 | CGM.getModule(), OMPRTL___tgt_target_data_begin_mapper), | ||||||
| 10706 | OffloadingArgs); | ||||||
| 10707 | |||||||
| 10708 | // If device pointer privatization is required, emit the body of the region | ||||||
| 10709 | // here. It will have to be duplicated: with and without privatization. | ||||||
| 10710 | if (!Info.CaptureDeviceAddrMap.empty()) | ||||||
| 10711 | CodeGen(CGF); | ||||||
| 10712 | }; | ||||||
| 10713 | |||||||
| 10714 | // Generate code for the closing of the data region. | ||||||
| 10715 | auto &&EndThenGen = [this, Device, &Info, &D](CodeGenFunction &CGF, | ||||||
| 10716 | PrePostActionTy &) { | ||||||
| 10717 | assert(Info.isValid() && "Invalid data environment closing arguments.")(static_cast <bool> (Info.isValid() && "Invalid data environment closing arguments." ) ? void (0) : __assert_fail ("Info.isValid() && \"Invalid data environment closing arguments.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10717, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10718 | |||||||
| 10719 | llvm::OpenMPIRBuilder::TargetDataRTArgs RTArgs; | ||||||
| 10720 | bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() != | ||||||
| 10721 | llvm::codegenoptions::NoDebugInfo; | ||||||
| 10722 | OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, RTArgs, Info, | ||||||
| 10723 | EmitDebug, | ||||||
| 10724 | /*ForEndCall=*/true); | ||||||
| 10725 | |||||||
| 10726 | // Emit device ID if any. | ||||||
| 10727 | llvm::Value *DeviceID = nullptr; | ||||||
| 10728 | if (Device) { | ||||||
| 10729 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||||
| 10730 | CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 10731 | } else { | ||||||
| 10732 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 10733 | } | ||||||
| 10734 | |||||||
| 10735 | // Emit the number of elements in the offloading arrays. | ||||||
| 10736 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | ||||||
| 10737 | |||||||
| 10738 | // Source location for the ident struct | ||||||
| 10739 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 10740 | |||||||
| 10741 | llvm::Value *OffloadingArgs[] = {RTLoc, | ||||||
| 10742 | DeviceID, | ||||||
| 10743 | PointerNum, | ||||||
| 10744 | RTArgs.BasePointersArray, | ||||||
| 10745 | RTArgs.PointersArray, | ||||||
| 10746 | RTArgs.SizesArray, | ||||||
| 10747 | RTArgs.MapTypesArray, | ||||||
| 10748 | RTArgs.MapNamesArray, | ||||||
| 10749 | RTArgs.MappersArray}; | ||||||
| 10750 | CGF.EmitRuntimeCall( | ||||||
| 10751 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 10752 | CGM.getModule(), OMPRTL___tgt_target_data_end_mapper), | ||||||
| 10753 | OffloadingArgs); | ||||||
| 10754 | }; | ||||||
| 10755 | |||||||
| 10756 | // If we need device pointer privatization, we need to emit the body of the | ||||||
| 10757 | // region with no privatization in the 'else' branch of the conditional. | ||||||
| 10758 | // Otherwise, we don't have to do anything. | ||||||
| 10759 | auto &&BeginElseGen = [&Info, &CodeGen, &NoPrivAction](CodeGenFunction &CGF, | ||||||
| 10760 | PrePostActionTy &) { | ||||||
| 10761 | if (!Info.CaptureDeviceAddrMap.empty()) { | ||||||
| 10762 | CodeGen.setAction(NoPrivAction); | ||||||
| 10763 | CodeGen(CGF); | ||||||
| 10764 | } | ||||||
| 10765 | }; | ||||||
| 10766 | |||||||
| 10767 | // We don't have to do anything to close the region if the if clause evaluates | ||||||
| 10768 | // to false. | ||||||
| 10769 | auto &&EndElseGen = [](CodeGenFunction &CGF, PrePostActionTy &) {}; | ||||||
| 10770 | |||||||
| 10771 | if (IfCond) { | ||||||
| 10772 | emitIfClause(CGF, IfCond, BeginThenGen, BeginElseGen); | ||||||
| 10773 | } else { | ||||||
| 10774 | RegionCodeGenTy RCG(BeginThenGen); | ||||||
| 10775 | RCG(CGF); | ||||||
| 10776 | } | ||||||
| 10777 | |||||||
| 10778 | // If we don't require privatization of device pointers, we emit the body in | ||||||
| 10779 | // between the runtime calls. This avoids duplicating the body code. | ||||||
| 10780 | if (Info.CaptureDeviceAddrMap.empty()) { | ||||||
| 10781 | CodeGen.setAction(NoPrivAction); | ||||||
| 10782 | CodeGen(CGF); | ||||||
| 10783 | } | ||||||
| 10784 | |||||||
| 10785 | if (IfCond) { | ||||||
| 10786 | emitIfClause(CGF, IfCond, EndThenGen, EndElseGen); | ||||||
| 10787 | } else { | ||||||
| 10788 | RegionCodeGenTy RCG(EndThenGen); | ||||||
| 10789 | RCG(CGF); | ||||||
| 10790 | } | ||||||
| 10791 | } | ||||||
| 10792 | |||||||
| 10793 | void CGOpenMPRuntime::emitTargetDataStandAloneCall( | ||||||
| 10794 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||||
| 10795 | const Expr *Device) { | ||||||
| 10796 | if (!CGF.HaveInsertPoint()) | ||||||
| 10797 | return; | ||||||
| 10798 | |||||||
| 10799 | assert((isa<OMPTargetEnterDataDirective>(D) ||(static_cast <bool> ((isa<OMPTargetEnterDataDirective >(D) || isa<OMPTargetExitDataDirective>(D) || isa< OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? void (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10802, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10800 | isa<OMPTargetExitDataDirective>(D) ||(static_cast <bool> ((isa<OMPTargetEnterDataDirective >(D) || isa<OMPTargetExitDataDirective>(D) || isa< OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? void (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10802, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10801 | isa<OMPTargetUpdateDirective>(D)) &&(static_cast <bool> ((isa<OMPTargetEnterDataDirective >(D) || isa<OMPTargetExitDataDirective>(D) || isa< OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? void (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10802, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 10802 | "Expecting either target enter, exit data, or update directives.")(static_cast <bool> ((isa<OMPTargetEnterDataDirective >(D) || isa<OMPTargetExitDataDirective>(D) || isa< OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? void (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10802, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 10803 | |||||||
| 10804 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||||
| 10805 | llvm::Value *MapTypesArray = nullptr; | ||||||
| 10806 | llvm::Value *MapNamesArray = nullptr; | ||||||
| 10807 | // Generate the code for the opening of the data environment. | ||||||
| 10808 | auto &&ThenGen = [this, &D, Device, &InputInfo, &MapTypesArray, | ||||||
| 10809 | &MapNamesArray](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 10810 | // Emit device ID if any. | ||||||
| 10811 | llvm::Value *DeviceID = nullptr; | ||||||
| 10812 | if (Device) { | ||||||
| 10813 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||||
| 10814 | CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 10815 | } else { | ||||||
| 10816 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 10817 | } | ||||||
| 10818 | |||||||
| 10819 | // Emit the number of elements in the offloading arrays. | ||||||
| 10820 | llvm::Constant *PointerNum = | ||||||
| 10821 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | ||||||
| 10822 | |||||||
| 10823 | // Source location for the ident struct | ||||||
| 10824 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 10825 | |||||||
| 10826 | llvm::Value *OffloadingArgs[] = {RTLoc, | ||||||
| 10827 | DeviceID, | ||||||
| 10828 | PointerNum, | ||||||
| 10829 | InputInfo.BasePointersArray.getPointer(), | ||||||
| 10830 | InputInfo.PointersArray.getPointer(), | ||||||
| 10831 | InputInfo.SizesArray.getPointer(), | ||||||
| 10832 | MapTypesArray, | ||||||
| 10833 | MapNamesArray, | ||||||
| 10834 | InputInfo.MappersArray.getPointer()}; | ||||||
| 10835 | |||||||
| 10836 | // Select the right runtime function call for each standalone | ||||||
| 10837 | // directive. | ||||||
| 10838 | const bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | ||||||
| 10839 | RuntimeFunction RTLFn; | ||||||
| 10840 | switch (D.getDirectiveKind()) { | ||||||
| 10841 | case OMPD_target_enter_data: | ||||||
| 10842 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_begin_nowait_mapper | ||||||
| 10843 | : OMPRTL___tgt_target_data_begin_mapper; | ||||||
| 10844 | break; | ||||||
| 10845 | case OMPD_target_exit_data: | ||||||
| 10846 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_end_nowait_mapper | ||||||
| 10847 | : OMPRTL___tgt_target_data_end_mapper; | ||||||
| 10848 | break; | ||||||
| 10849 | case OMPD_target_update: | ||||||
| 10850 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_update_nowait_mapper | ||||||
| 10851 | : OMPRTL___tgt_target_data_update_mapper; | ||||||
| 10852 | break; | ||||||
| 10853 | case OMPD_parallel: | ||||||
| 10854 | case OMPD_for: | ||||||
| 10855 | case OMPD_parallel_for: | ||||||
| 10856 | case OMPD_parallel_master: | ||||||
| 10857 | case OMPD_parallel_sections: | ||||||
| 10858 | case OMPD_for_simd: | ||||||
| 10859 | case OMPD_parallel_for_simd: | ||||||
| 10860 | case OMPD_cancel: | ||||||
| 10861 | case OMPD_cancellation_point: | ||||||
| 10862 | case OMPD_ordered: | ||||||
| 10863 | case OMPD_threadprivate: | ||||||
| 10864 | case OMPD_allocate: | ||||||
| 10865 | case OMPD_task: | ||||||
| 10866 | case OMPD_simd: | ||||||
| 10867 | case OMPD_tile: | ||||||
| 10868 | case OMPD_unroll: | ||||||
| 10869 | case OMPD_sections: | ||||||
| 10870 | case OMPD_section: | ||||||
| 10871 | case OMPD_single: | ||||||
| 10872 | case OMPD_master: | ||||||
| 10873 | case OMPD_critical: | ||||||
| 10874 | case OMPD_taskyield: | ||||||
| 10875 | case OMPD_barrier: | ||||||
| 10876 | case OMPD_taskwait: | ||||||
| 10877 | case OMPD_taskgroup: | ||||||
| 10878 | case OMPD_atomic: | ||||||
| 10879 | case OMPD_flush: | ||||||
| 10880 | case OMPD_depobj: | ||||||
| 10881 | case OMPD_scan: | ||||||
| 10882 | case OMPD_teams: | ||||||
| 10883 | case OMPD_target_data: | ||||||
| 10884 | case OMPD_distribute: | ||||||
| 10885 | case OMPD_distribute_simd: | ||||||
| 10886 | case OMPD_distribute_parallel_for: | ||||||
| 10887 | case OMPD_distribute_parallel_for_simd: | ||||||
| 10888 | case OMPD_teams_distribute: | ||||||
| 10889 | case OMPD_teams_distribute_simd: | ||||||
| 10890 | case OMPD_teams_distribute_parallel_for: | ||||||
| 10891 | case OMPD_teams_distribute_parallel_for_simd: | ||||||
| 10892 | case OMPD_declare_simd: | ||||||
| 10893 | case OMPD_declare_variant: | ||||||
| 10894 | case OMPD_begin_declare_variant: | ||||||
| 10895 | case OMPD_end_declare_variant: | ||||||
| 10896 | case OMPD_declare_target: | ||||||
| 10897 | case OMPD_end_declare_target: | ||||||
| 10898 | case OMPD_declare_reduction: | ||||||
| 10899 | case OMPD_declare_mapper: | ||||||
| 10900 | case OMPD_taskloop: | ||||||
| 10901 | case OMPD_taskloop_simd: | ||||||
| 10902 | case OMPD_master_taskloop: | ||||||
| 10903 | case OMPD_master_taskloop_simd: | ||||||
| 10904 | case OMPD_parallel_master_taskloop: | ||||||
| 10905 | case OMPD_parallel_master_taskloop_simd: | ||||||
| 10906 | case OMPD_target: | ||||||
| 10907 | case OMPD_target_simd: | ||||||
| 10908 | case OMPD_target_teams_distribute: | ||||||
| 10909 | case OMPD_target_teams_distribute_simd: | ||||||
| 10910 | case OMPD_target_teams_distribute_parallel_for: | ||||||
| 10911 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||
| 10912 | case OMPD_target_teams: | ||||||
| 10913 | case OMPD_target_parallel: | ||||||
| 10914 | case OMPD_target_parallel_for: | ||||||
| 10915 | case OMPD_target_parallel_for_simd: | ||||||
| 10916 | case OMPD_requires: | ||||||
| 10917 | case OMPD_metadirective: | ||||||
| 10918 | case OMPD_unknown: | ||||||
| 10919 | default: | ||||||
| 10920 | llvm_unreachable("Unexpected standalone target data directive.")::llvm::llvm_unreachable_internal("Unexpected standalone target data directive." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 10920); | ||||||
| 10921 | break; | ||||||
| 10922 | } | ||||||
| 10923 | CGF.EmitRuntimeCall( | ||||||
| 10924 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), RTLFn), | ||||||
| 10925 | OffloadingArgs); | ||||||
| 10926 | }; | ||||||
| 10927 | |||||||
| 10928 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | ||||||
| 10929 | &MapNamesArray](CodeGenFunction &CGF, | ||||||
| 10930 | PrePostActionTy &) { | ||||||
| 10931 | // Fill up the arrays with all the mapped variables. | ||||||
| 10932 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | ||||||
| 10933 | |||||||
| 10934 | // Get map clause information. | ||||||
| 10935 | MappableExprsHandler MEHandler(D, CGF); | ||||||
| 10936 | MEHandler.generateAllInfo(CombinedInfo); | ||||||
| 10937 | |||||||
| 10938 | CGOpenMPRuntime::TargetDataInfo Info; | ||||||
| 10939 | // Fill up the arrays and create the arguments. | ||||||
| 10940 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder, | ||||||
| 10941 | /*IsNonContiguous=*/true); | ||||||
| 10942 | bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>() || | ||||||
| 10943 | D.hasClausesOfKind<OMPNowaitClause>(); | ||||||
| 10944 | bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() != | ||||||
| 10945 | llvm::codegenoptions::NoDebugInfo; | ||||||
| 10946 | OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, Info.RTArgs, Info, | ||||||
| 10947 | EmitDebug, | ||||||
| 10948 | /*ForEndCall=*/false); | ||||||
| 10949 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | ||||||
| 10950 | InputInfo.BasePointersArray = Address(Info.RTArgs.BasePointersArray, | ||||||
| 10951 | CGF.VoidPtrTy, CGM.getPointerAlign()); | ||||||
| 10952 | InputInfo.PointersArray = Address(Info.RTArgs.PointersArray, CGF.VoidPtrTy, | ||||||
| 10953 | CGM.getPointerAlign()); | ||||||
| 10954 | InputInfo.SizesArray = | ||||||
| 10955 | Address(Info.RTArgs.SizesArray, CGF.Int64Ty, CGM.getPointerAlign()); | ||||||
| 10956 | InputInfo.MappersArray = | ||||||
| 10957 | Address(Info.RTArgs.MappersArray, CGF.VoidPtrTy, CGM.getPointerAlign()); | ||||||
| 10958 | MapTypesArray = Info.RTArgs.MapTypesArray; | ||||||
| 10959 | MapNamesArray = Info.RTArgs.MapNamesArray; | ||||||
| 10960 | if (RequiresOuterTask) | ||||||
| 10961 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | ||||||
| 10962 | else | ||||||
| 10963 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | ||||||
| 10964 | }; | ||||||
| 10965 | |||||||
| 10966 | if (IfCond) { | ||||||
| 10967 | emitIfClause(CGF, IfCond, TargetThenGen, | ||||||
| 10968 | [](CodeGenFunction &CGF, PrePostActionTy &) {}); | ||||||
| 10969 | } else { | ||||||
| 10970 | RegionCodeGenTy ThenRCG(TargetThenGen); | ||||||
| 10971 | ThenRCG(CGF); | ||||||
| 10972 | } | ||||||
| 10973 | } | ||||||
| 10974 | |||||||
| 10975 | namespace { | ||||||
| 10976 | /// Kind of parameter in a function with 'declare simd' directive. | ||||||
| 10977 | enum ParamKindTy { | ||||||
| 10978 | Linear, | ||||||
| 10979 | LinearRef, | ||||||
| 10980 | LinearUVal, | ||||||
| 10981 | LinearVal, | ||||||
| 10982 | Uniform, | ||||||
| 10983 | Vector, | ||||||
| 10984 | }; | ||||||
| 10985 | /// Attribute set of the parameter. | ||||||
| 10986 | struct ParamAttrTy { | ||||||
| 10987 | ParamKindTy Kind = Vector; | ||||||
| 10988 | llvm::APSInt StrideOrArg; | ||||||
| 10989 | llvm::APSInt Alignment; | ||||||
| 10990 | bool HasVarStride = false; | ||||||
| 10991 | }; | ||||||
| 10992 | } // namespace | ||||||
| 10993 | |||||||
| 10994 | static unsigned evaluateCDTSize(const FunctionDecl *FD, | ||||||
| 10995 | ArrayRef<ParamAttrTy> ParamAttrs) { | ||||||
| 10996 | // Every vector variant of a SIMD-enabled function has a vector length (VLEN). | ||||||
| 10997 | // If OpenMP clause "simdlen" is used, the VLEN is the value of the argument | ||||||
| 10998 | // of that clause. The VLEN value must be power of 2. | ||||||
| 10999 | // In other case the notion of the function`s "characteristic data type" (CDT) | ||||||
| 11000 | // is used to compute the vector length. | ||||||
| 11001 | // CDT is defined in the following order: | ||||||
| 11002 | // a) For non-void function, the CDT is the return type. | ||||||
| 11003 | // b) If the function has any non-uniform, non-linear parameters, then the | ||||||
| 11004 | // CDT is the type of the first such parameter. | ||||||
| 11005 | // c) If the CDT determined by a) or b) above is struct, union, or class | ||||||
| 11006 | // type which is pass-by-value (except for the type that maps to the | ||||||
| 11007 | // built-in complex data type), the characteristic data type is int. | ||||||
| 11008 | // d) If none of the above three cases is applicable, the CDT is int. | ||||||
| 11009 | // The VLEN is then determined based on the CDT and the size of vector | ||||||
| 11010 | // register of that ISA for which current vector version is generated. The | ||||||
| 11011 | // VLEN is computed using the formula below: | ||||||
| 11012 | // VLEN = sizeof(vector_register) / sizeof(CDT), | ||||||
| 11013 | // where vector register size specified in section 3.2.1 Registers and the | ||||||
| 11014 | // Stack Frame of original AMD64 ABI document. | ||||||
| 11015 | QualType RetType = FD->getReturnType(); | ||||||
| 11016 | if (RetType.isNull()) | ||||||
| 11017 | return 0; | ||||||
| 11018 | ASTContext &C = FD->getASTContext(); | ||||||
| 11019 | QualType CDT; | ||||||
| 11020 | if (!RetType.isNull() && !RetType->isVoidType()) { | ||||||
| 11021 | CDT = RetType; | ||||||
| 11022 | } else { | ||||||
| 11023 | unsigned Offset = 0; | ||||||
| 11024 | if (const auto *MD = dyn_cast<CXXMethodDecl>(FD)) { | ||||||
| 11025 | if (ParamAttrs[Offset].Kind == Vector) | ||||||
| 11026 | CDT = C.getPointerType(C.getRecordType(MD->getParent())); | ||||||
| 11027 | ++Offset; | ||||||
| 11028 | } | ||||||
| 11029 | if (CDT.isNull()) { | ||||||
| 11030 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | ||||||
| 11031 | if (ParamAttrs[I + Offset].Kind == Vector) { | ||||||
| 11032 | CDT = FD->getParamDecl(I)->getType(); | ||||||
| 11033 | break; | ||||||
| 11034 | } | ||||||
| 11035 | } | ||||||
| 11036 | } | ||||||
| 11037 | } | ||||||
| 11038 | if (CDT.isNull()) | ||||||
| 11039 | CDT = C.IntTy; | ||||||
| 11040 | CDT = CDT->getCanonicalTypeUnqualified(); | ||||||
| 11041 | if (CDT->isRecordType() || CDT->isUnionType()) | ||||||
| 11042 | CDT = C.IntTy; | ||||||
| 11043 | return C.getTypeSize(CDT); | ||||||
| 11044 | } | ||||||
| 11045 | |||||||
| 11046 | /// Mangle the parameter part of the vector function name according to | ||||||
| 11047 | /// their OpenMP classification. The mangling function is defined in | ||||||
| 11048 | /// section 4.5 of the AAVFABI(2021Q1). | ||||||
| 11049 | static std::string mangleVectorParameters(ArrayRef<ParamAttrTy> ParamAttrs) { | ||||||
| 11050 | SmallString<256> Buffer; | ||||||
| 11051 | llvm::raw_svector_ostream Out(Buffer); | ||||||
| 11052 | for (const auto &ParamAttr : ParamAttrs) { | ||||||
| 11053 | switch (ParamAttr.Kind) { | ||||||
| 11054 | case Linear: | ||||||
| 11055 | Out << 'l'; | ||||||
| 11056 | break; | ||||||
| 11057 | case LinearRef: | ||||||
| 11058 | Out << 'R'; | ||||||
| 11059 | break; | ||||||
| 11060 | case LinearUVal: | ||||||
| 11061 | Out << 'U'; | ||||||
| 11062 | break; | ||||||
| 11063 | case LinearVal: | ||||||
| 11064 | Out << 'L'; | ||||||
| 11065 | break; | ||||||
| 11066 | case Uniform: | ||||||
| 11067 | Out << 'u'; | ||||||
| 11068 | break; | ||||||
| 11069 | case Vector: | ||||||
| 11070 | Out << 'v'; | ||||||
| 11071 | break; | ||||||
| 11072 | } | ||||||
| 11073 | if (ParamAttr.HasVarStride) | ||||||
| 11074 | Out << "s" << ParamAttr.StrideOrArg; | ||||||
| 11075 | else if (ParamAttr.Kind == Linear || ParamAttr.Kind == LinearRef || | ||||||
| 11076 | ParamAttr.Kind == LinearUVal || ParamAttr.Kind == LinearVal) { | ||||||
| 11077 | // Don't print the step value if it is not present or if it is | ||||||
| 11078 | // equal to 1. | ||||||
| 11079 | if (ParamAttr.StrideOrArg < 0) | ||||||
| 11080 | Out << 'n' << -ParamAttr.StrideOrArg; | ||||||
| 11081 | else if (ParamAttr.StrideOrArg != 1) | ||||||
| 11082 | Out << ParamAttr.StrideOrArg; | ||||||
| 11083 | } | ||||||
| 11084 | |||||||
| 11085 | if (!!ParamAttr.Alignment) | ||||||
| 11086 | Out << 'a' << ParamAttr.Alignment; | ||||||
| 11087 | } | ||||||
| 11088 | |||||||
| 11089 | return std::string(Out.str()); | ||||||
| 11090 | } | ||||||
| 11091 | |||||||
| 11092 | static void | ||||||
| 11093 | emitX86DeclareSimdFunction(const FunctionDecl *FD, llvm::Function *Fn, | ||||||
| 11094 | const llvm::APSInt &VLENVal, | ||||||
| 11095 | ArrayRef<ParamAttrTy> ParamAttrs, | ||||||
| 11096 | OMPDeclareSimdDeclAttr::BranchStateTy State) { | ||||||
| 11097 | struct ISADataTy { | ||||||
| 11098 | char ISA; | ||||||
| 11099 | unsigned VecRegSize; | ||||||
| 11100 | }; | ||||||
| 11101 | ISADataTy ISAData[] = { | ||||||
| 11102 | { | ||||||
| 11103 | 'b', 128 | ||||||
| 11104 | }, // SSE | ||||||
| 11105 | { | ||||||
| 11106 | 'c', 256 | ||||||
| 11107 | }, // AVX | ||||||
| 11108 | { | ||||||
| 11109 | 'd', 256 | ||||||
| 11110 | }, // AVX2 | ||||||
| 11111 | { | ||||||
| 11112 | 'e', 512 | ||||||
| 11113 | }, // AVX512 | ||||||
| 11114 | }; | ||||||
| 11115 | llvm::SmallVector<char, 2> Masked; | ||||||
| 11116 | switch (State) { | ||||||
| 11117 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||||
| 11118 | Masked.push_back('N'); | ||||||
| 11119 | Masked.push_back('M'); | ||||||
| 11120 | break; | ||||||
| 11121 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||||
| 11122 | Masked.push_back('N'); | ||||||
| 11123 | break; | ||||||
| 11124 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||||
| 11125 | Masked.push_back('M'); | ||||||
| 11126 | break; | ||||||
| 11127 | } | ||||||
| 11128 | for (char Mask : Masked) { | ||||||
| 11129 | for (const ISADataTy &Data : ISAData) { | ||||||
| 11130 | SmallString<256> Buffer; | ||||||
| 11131 | llvm::raw_svector_ostream Out(Buffer); | ||||||
| 11132 | Out << "_ZGV" << Data.ISA << Mask; | ||||||
| 11133 | if (!VLENVal) { | ||||||
| 11134 | unsigned NumElts = evaluateCDTSize(FD, ParamAttrs); | ||||||
| 11135 | assert(NumElts && "Non-zero simdlen/cdtsize expected")(static_cast <bool> (NumElts && "Non-zero simdlen/cdtsize expected" ) ? void (0) : __assert_fail ("NumElts && \"Non-zero simdlen/cdtsize expected\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11135, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11136 | Out << llvm::APSInt::getUnsigned(Data.VecRegSize / NumElts); | ||||||
| 11137 | } else { | ||||||
| 11138 | Out << VLENVal; | ||||||
| 11139 | } | ||||||
| 11140 | Out << mangleVectorParameters(ParamAttrs); | ||||||
| 11141 | Out << '_' << Fn->getName(); | ||||||
| 11142 | Fn->addFnAttr(Out.str()); | ||||||
| 11143 | } | ||||||
| 11144 | } | ||||||
| 11145 | } | ||||||
| 11146 | |||||||
| 11147 | // This are the Functions that are needed to mangle the name of the | ||||||
| 11148 | // vector functions generated by the compiler, according to the rules | ||||||
| 11149 | // defined in the "Vector Function ABI specifications for AArch64", | ||||||
| 11150 | // available at | ||||||
| 11151 | // https://developer.arm.com/products/software-development-tools/hpc/arm-compiler-for-hpc/vector-function-abi. | ||||||
| 11152 | |||||||
| 11153 | /// Maps To Vector (MTV), as defined in 4.1.1 of the AAVFABI (2021Q1). | ||||||
| 11154 | static bool getAArch64MTV(QualType QT, ParamKindTy Kind) { | ||||||
| 11155 | QT = QT.getCanonicalType(); | ||||||
| 11156 | |||||||
| 11157 | if (QT->isVoidType()) | ||||||
| 11158 | return false; | ||||||
| 11159 | |||||||
| 11160 | if (Kind == ParamKindTy::Uniform) | ||||||
| 11161 | return false; | ||||||
| 11162 | |||||||
| 11163 | if (Kind == ParamKindTy::LinearUVal || Kind == ParamKindTy::LinearRef) | ||||||
| 11164 | return false; | ||||||
| 11165 | |||||||
| 11166 | if ((Kind == ParamKindTy::Linear || Kind == ParamKindTy::LinearVal) && | ||||||
| 11167 | !QT->isReferenceType()) | ||||||
| 11168 | return false; | ||||||
| 11169 | |||||||
| 11170 | return true; | ||||||
| 11171 | } | ||||||
| 11172 | |||||||
| 11173 | /// Pass By Value (PBV), as defined in 3.1.2 of the AAVFABI. | ||||||
| 11174 | static bool getAArch64PBV(QualType QT, ASTContext &C) { | ||||||
| 11175 | QT = QT.getCanonicalType(); | ||||||
| 11176 | unsigned Size = C.getTypeSize(QT); | ||||||
| 11177 | |||||||
| 11178 | // Only scalars and complex within 16 bytes wide set PVB to true. | ||||||
| 11179 | if (Size != 8 && Size != 16 && Size != 32 && Size != 64 && Size != 128) | ||||||
| 11180 | return false; | ||||||
| 11181 | |||||||
| 11182 | if (QT->isFloatingType()) | ||||||
| 11183 | return true; | ||||||
| 11184 | |||||||
| 11185 | if (QT->isIntegerType()) | ||||||
| 11186 | return true; | ||||||
| 11187 | |||||||
| 11188 | if (QT->isPointerType()) | ||||||
| 11189 | return true; | ||||||
| 11190 | |||||||
| 11191 | // TODO: Add support for complex types (section 3.1.2, item 2). | ||||||
| 11192 | |||||||
| 11193 | return false; | ||||||
| 11194 | } | ||||||
| 11195 | |||||||
| 11196 | /// Computes the lane size (LS) of a return type or of an input parameter, | ||||||
| 11197 | /// as defined by `LS(P)` in 3.2.1 of the AAVFABI. | ||||||
| 11198 | /// TODO: Add support for references, section 3.2.1, item 1. | ||||||
| 11199 | static unsigned getAArch64LS(QualType QT, ParamKindTy Kind, ASTContext &C) { | ||||||
| 11200 | if (!getAArch64MTV(QT, Kind) && QT.getCanonicalType()->isPointerType()) { | ||||||
| 11201 | QualType PTy = QT.getCanonicalType()->getPointeeType(); | ||||||
| 11202 | if (getAArch64PBV(PTy, C)) | ||||||
| 11203 | return C.getTypeSize(PTy); | ||||||
| 11204 | } | ||||||
| 11205 | if (getAArch64PBV(QT, C)) | ||||||
| 11206 | return C.getTypeSize(QT); | ||||||
| 11207 | |||||||
| 11208 | return C.getTypeSize(C.getUIntPtrType()); | ||||||
| 11209 | } | ||||||
| 11210 | |||||||
| 11211 | // Get Narrowest Data Size (NDS) and Widest Data Size (WDS) from the | ||||||
| 11212 | // signature of the scalar function, as defined in 3.2.2 of the | ||||||
| 11213 | // AAVFABI. | ||||||
| 11214 | static std::tuple<unsigned, unsigned, bool> | ||||||
| 11215 | getNDSWDS(const FunctionDecl *FD, ArrayRef<ParamAttrTy> ParamAttrs) { | ||||||
| 11216 | QualType RetType = FD->getReturnType().getCanonicalType(); | ||||||
| 11217 | |||||||
| 11218 | ASTContext &C = FD->getASTContext(); | ||||||
| 11219 | |||||||
| 11220 | bool OutputBecomesInput = false; | ||||||
| 11221 | |||||||
| 11222 | llvm::SmallVector<unsigned, 8> Sizes; | ||||||
| 11223 | if (!RetType->isVoidType()) { | ||||||
| 11224 | Sizes.push_back(getAArch64LS(RetType, ParamKindTy::Vector, C)); | ||||||
| 11225 | if (!getAArch64PBV(RetType, C) && getAArch64MTV(RetType, {})) | ||||||
| 11226 | OutputBecomesInput = true; | ||||||
| 11227 | } | ||||||
| 11228 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | ||||||
| 11229 | QualType QT = FD->getParamDecl(I)->getType().getCanonicalType(); | ||||||
| 11230 | Sizes.push_back(getAArch64LS(QT, ParamAttrs[I].Kind, C)); | ||||||
| 11231 | } | ||||||
| 11232 | |||||||
| 11233 | assert(!Sizes.empty() && "Unable to determine NDS and WDS.")(static_cast <bool> (!Sizes.empty() && "Unable to determine NDS and WDS." ) ? void (0) : __assert_fail ("!Sizes.empty() && \"Unable to determine NDS and WDS.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11233, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11234 | // The LS of a function parameter / return value can only be a power | ||||||
| 11235 | // of 2, starting from 8 bits, up to 128. | ||||||
| 11236 | assert(llvm::all_of(Sizes,(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11237 | [](unsigned Size) {(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11238 | return Size == 8 || Size == 16 || Size == 32 ||(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11239 | Size == 64 || Size == 128;(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11240 | }) &&(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11241 | "Invalid size")(static_cast <bool> (llvm::all_of(Sizes, [](unsigned Size ) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? void (0) : __assert_fail ("llvm::all_of(Sizes, [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11241, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11242 | |||||||
| 11243 | return std::make_tuple(*std::min_element(std::begin(Sizes), std::end(Sizes)), | ||||||
| 11244 | *std::max_element(std::begin(Sizes), std::end(Sizes)), | ||||||
| 11245 | OutputBecomesInput); | ||||||
| 11246 | } | ||||||
| 11247 | |||||||
| 11248 | // Function used to add the attribute. The parameter `VLEN` is | ||||||
| 11249 | // templated to allow the use of "x" when targeting scalable functions | ||||||
| 11250 | // for SVE. | ||||||
| 11251 | template <typename T> | ||||||
| 11252 | static void addAArch64VectorName(T VLEN, StringRef LMask, StringRef Prefix, | ||||||
| 11253 | char ISA, StringRef ParSeq, | ||||||
| 11254 | StringRef MangledName, bool OutputBecomesInput, | ||||||
| 11255 | llvm::Function *Fn) { | ||||||
| 11256 | SmallString<256> Buffer; | ||||||
| 11257 | llvm::raw_svector_ostream Out(Buffer); | ||||||
| 11258 | Out << Prefix << ISA << LMask << VLEN; | ||||||
| 11259 | if (OutputBecomesInput) | ||||||
| 11260 | Out << "v"; | ||||||
| 11261 | Out << ParSeq << "_" << MangledName; | ||||||
| 11262 | Fn->addFnAttr(Out.str()); | ||||||
| 11263 | } | ||||||
| 11264 | |||||||
| 11265 | // Helper function to generate the Advanced SIMD names depending on | ||||||
| 11266 | // the value of the NDS when simdlen is not present. | ||||||
| 11267 | static void addAArch64AdvSIMDNDSNames(unsigned NDS, StringRef Mask, | ||||||
| 11268 | StringRef Prefix, char ISA, | ||||||
| 11269 | StringRef ParSeq, StringRef MangledName, | ||||||
| 11270 | bool OutputBecomesInput, | ||||||
| 11271 | llvm::Function *Fn) { | ||||||
| 11272 | switch (NDS) { | ||||||
| 11273 | case 8: | ||||||
| 11274 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11275 | OutputBecomesInput, Fn); | ||||||
| 11276 | addAArch64VectorName(16, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11277 | OutputBecomesInput, Fn); | ||||||
| 11278 | break; | ||||||
| 11279 | case 16: | ||||||
| 11280 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11281 | OutputBecomesInput, Fn); | ||||||
| 11282 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11283 | OutputBecomesInput, Fn); | ||||||
| 11284 | break; | ||||||
| 11285 | case 32: | ||||||
| 11286 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11287 | OutputBecomesInput, Fn); | ||||||
| 11288 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11289 | OutputBecomesInput, Fn); | ||||||
| 11290 | break; | ||||||
| 11291 | case 64: | ||||||
| 11292 | case 128: | ||||||
| 11293 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | ||||||
| 11294 | OutputBecomesInput, Fn); | ||||||
| 11295 | break; | ||||||
| 11296 | default: | ||||||
| 11297 | llvm_unreachable("Scalar type is too wide.")::llvm::llvm_unreachable_internal("Scalar type is too wide.", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11297); | ||||||
| 11298 | } | ||||||
| 11299 | } | ||||||
| 11300 | |||||||
| 11301 | /// Emit vector function attributes for AArch64, as defined in the AAVFABI. | ||||||
| 11302 | static void emitAArch64DeclareSimdFunction( | ||||||
| 11303 | CodeGenModule &CGM, const FunctionDecl *FD, unsigned UserVLEN, | ||||||
| 11304 | ArrayRef<ParamAttrTy> ParamAttrs, | ||||||
| 11305 | OMPDeclareSimdDeclAttr::BranchStateTy State, StringRef MangledName, | ||||||
| 11306 | char ISA, unsigned VecRegSize, llvm::Function *Fn, SourceLocation SLoc) { | ||||||
| 11307 | |||||||
| 11308 | // Get basic data for building the vector signature. | ||||||
| 11309 | const auto Data = getNDSWDS(FD, ParamAttrs); | ||||||
| 11310 | const unsigned NDS = std::get<0>(Data); | ||||||
| 11311 | const unsigned WDS = std::get<1>(Data); | ||||||
| 11312 | const bool OutputBecomesInput = std::get<2>(Data); | ||||||
| 11313 | |||||||
| 11314 | // Check the values provided via `simdlen` by the user. | ||||||
| 11315 | // 1. A `simdlen(1)` doesn't produce vector signatures, | ||||||
| 11316 | if (UserVLEN == 1) { | ||||||
| 11317 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 11318 | DiagnosticsEngine::Warning, | ||||||
| 11319 | "The clause simdlen(1) has no effect when targeting aarch64."); | ||||||
| 11320 | CGM.getDiags().Report(SLoc, DiagID); | ||||||
| 11321 | return; | ||||||
| 11322 | } | ||||||
| 11323 | |||||||
| 11324 | // 2. Section 3.3.1, item 1: user input must be a power of 2 for | ||||||
| 11325 | // Advanced SIMD output. | ||||||
| 11326 | if (ISA == 'n' && UserVLEN && !llvm::isPowerOf2_32(UserVLEN)) { | ||||||
| 11327 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 11328 | DiagnosticsEngine::Warning, "The value specified in simdlen must be a " | ||||||
| 11329 | "power of 2 when targeting Advanced SIMD."); | ||||||
| 11330 | CGM.getDiags().Report(SLoc, DiagID); | ||||||
| 11331 | return; | ||||||
| 11332 | } | ||||||
| 11333 | |||||||
| 11334 | // 3. Section 3.4.1. SVE fixed lengh must obey the architectural | ||||||
| 11335 | // limits. | ||||||
| 11336 | if (ISA == 's' && UserVLEN != 0) { | ||||||
| 11337 | if ((UserVLEN * WDS > 2048) || (UserVLEN * WDS % 128 != 0)) { | ||||||
| 11338 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 11339 | DiagnosticsEngine::Warning, "The clause simdlen must fit the %0-bit " | ||||||
| 11340 | "lanes in the architectural constraints " | ||||||
| 11341 | "for SVE (min is 128-bit, max is " | ||||||
| 11342 | "2048-bit, by steps of 128-bit)"); | ||||||
| 11343 | CGM.getDiags().Report(SLoc, DiagID) << WDS; | ||||||
| 11344 | return; | ||||||
| 11345 | } | ||||||
| 11346 | } | ||||||
| 11347 | |||||||
| 11348 | // Sort out parameter sequence. | ||||||
| 11349 | const std::string ParSeq = mangleVectorParameters(ParamAttrs); | ||||||
| 11350 | StringRef Prefix = "_ZGV"; | ||||||
| 11351 | // Generate simdlen from user input (if any). | ||||||
| 11352 | if (UserVLEN) { | ||||||
| 11353 | if (ISA == 's') { | ||||||
| 11354 | // SVE generates only a masked function. | ||||||
| 11355 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11356 | OutputBecomesInput, Fn); | ||||||
| 11357 | } else { | ||||||
| 11358 | assert(ISA == 'n' && "Expected ISA either 's' or 'n'.")(static_cast <bool> (ISA == 'n' && "Expected ISA either 's' or 'n'." ) ? void (0) : __assert_fail ("ISA == 'n' && \"Expected ISA either 's' or 'n'.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11358, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11359 | // Advanced SIMD generates one or two functions, depending on | ||||||
| 11360 | // the `[not]inbranch` clause. | ||||||
| 11361 | switch (State) { | ||||||
| 11362 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||||
| 11363 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11364 | OutputBecomesInput, Fn); | ||||||
| 11365 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11366 | OutputBecomesInput, Fn); | ||||||
| 11367 | break; | ||||||
| 11368 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||||
| 11369 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11370 | OutputBecomesInput, Fn); | ||||||
| 11371 | break; | ||||||
| 11372 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||||
| 11373 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11374 | OutputBecomesInput, Fn); | ||||||
| 11375 | break; | ||||||
| 11376 | } | ||||||
| 11377 | } | ||||||
| 11378 | } else { | ||||||
| 11379 | // If no user simdlen is provided, follow the AAVFABI rules for | ||||||
| 11380 | // generating the vector length. | ||||||
| 11381 | if (ISA == 's') { | ||||||
| 11382 | // SVE, section 3.4.1, item 1. | ||||||
| 11383 | addAArch64VectorName("x", "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11384 | OutputBecomesInput, Fn); | ||||||
| 11385 | } else { | ||||||
| 11386 | assert(ISA == 'n' && "Expected ISA either 's' or 'n'.")(static_cast <bool> (ISA == 'n' && "Expected ISA either 's' or 'n'." ) ? void (0) : __assert_fail ("ISA == 'n' && \"Expected ISA either 's' or 'n'.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11386, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11387 | // Advanced SIMD, Section 3.3.1 of the AAVFABI, generates one or | ||||||
| 11388 | // two vector names depending on the use of the clause | ||||||
| 11389 | // `[not]inbranch`. | ||||||
| 11390 | switch (State) { | ||||||
| 11391 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||||
| 11392 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11393 | OutputBecomesInput, Fn); | ||||||
| 11394 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11395 | OutputBecomesInput, Fn); | ||||||
| 11396 | break; | ||||||
| 11397 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||||
| 11398 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11399 | OutputBecomesInput, Fn); | ||||||
| 11400 | break; | ||||||
| 11401 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||||
| 11402 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | ||||||
| 11403 | OutputBecomesInput, Fn); | ||||||
| 11404 | break; | ||||||
| 11405 | } | ||||||
| 11406 | } | ||||||
| 11407 | } | ||||||
| 11408 | } | ||||||
| 11409 | |||||||
| 11410 | void CGOpenMPRuntime::emitDeclareSimdFunction(const FunctionDecl *FD, | ||||||
| 11411 | llvm::Function *Fn) { | ||||||
| 11412 | ASTContext &C = CGM.getContext(); | ||||||
| 11413 | FD = FD->getMostRecentDecl(); | ||||||
| 11414 | while (FD) { | ||||||
| 11415 | // Map params to their positions in function decl. | ||||||
| 11416 | llvm::DenseMap<const Decl *, unsigned> ParamPositions; | ||||||
| 11417 | if (isa<CXXMethodDecl>(FD)) | ||||||
| 11418 | ParamPositions.try_emplace(FD, 0); | ||||||
| 11419 | unsigned ParamPos = ParamPositions.size(); | ||||||
| 11420 | for (const ParmVarDecl *P : FD->parameters()) { | ||||||
| 11421 | ParamPositions.try_emplace(P->getCanonicalDecl(), ParamPos); | ||||||
| 11422 | ++ParamPos; | ||||||
| 11423 | } | ||||||
| 11424 | for (const auto *Attr : FD->specific_attrs<OMPDeclareSimdDeclAttr>()) { | ||||||
| 11425 | llvm::SmallVector<ParamAttrTy, 8> ParamAttrs(ParamPositions.size()); | ||||||
| 11426 | // Mark uniform parameters. | ||||||
| 11427 | for (const Expr *E : Attr->uniforms()) { | ||||||
| 11428 | E = E->IgnoreParenImpCasts(); | ||||||
| 11429 | unsigned Pos; | ||||||
| 11430 | if (isa<CXXThisExpr>(E)) { | ||||||
| 11431 | Pos = ParamPositions[FD]; | ||||||
| 11432 | } else { | ||||||
| 11433 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||||
| 11434 | ->getCanonicalDecl(); | ||||||
| 11435 | auto It = ParamPositions.find(PVD); | ||||||
| 11436 | assert(It != ParamPositions.end() && "Function parameter not found")(static_cast <bool> (It != ParamPositions.end() && "Function parameter not found") ? void (0) : __assert_fail ( "It != ParamPositions.end() && \"Function parameter not found\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11436, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11437 | Pos = It->second; | ||||||
| 11438 | } | ||||||
| 11439 | ParamAttrs[Pos].Kind = Uniform; | ||||||
| 11440 | } | ||||||
| 11441 | // Get alignment info. | ||||||
| 11442 | auto *NI = Attr->alignments_begin(); | ||||||
| 11443 | for (const Expr *E : Attr->aligneds()) { | ||||||
| 11444 | E = E->IgnoreParenImpCasts(); | ||||||
| 11445 | unsigned Pos; | ||||||
| 11446 | QualType ParmTy; | ||||||
| 11447 | if (isa<CXXThisExpr>(E)) { | ||||||
| 11448 | Pos = ParamPositions[FD]; | ||||||
| 11449 | ParmTy = E->getType(); | ||||||
| 11450 | } else { | ||||||
| 11451 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||||
| 11452 | ->getCanonicalDecl(); | ||||||
| 11453 | auto It = ParamPositions.find(PVD); | ||||||
| 11454 | assert(It != ParamPositions.end() && "Function parameter not found")(static_cast <bool> (It != ParamPositions.end() && "Function parameter not found") ? void (0) : __assert_fail ( "It != ParamPositions.end() && \"Function parameter not found\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11454, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11455 | Pos = It->second; | ||||||
| 11456 | ParmTy = PVD->getType(); | ||||||
| 11457 | } | ||||||
| 11458 | ParamAttrs[Pos].Alignment = | ||||||
| 11459 | (*NI) | ||||||
| 11460 | ? (*NI)->EvaluateKnownConstInt(C) | ||||||
| 11461 | : llvm::APSInt::getUnsigned( | ||||||
| 11462 | C.toCharUnitsFromBits(C.getOpenMPDefaultSimdAlign(ParmTy)) | ||||||
| 11463 | .getQuantity()); | ||||||
| 11464 | ++NI; | ||||||
| 11465 | } | ||||||
| 11466 | // Mark linear parameters. | ||||||
| 11467 | auto *SI = Attr->steps_begin(); | ||||||
| 11468 | auto *MI = Attr->modifiers_begin(); | ||||||
| 11469 | for (const Expr *E : Attr->linears()) { | ||||||
| 11470 | E = E->IgnoreParenImpCasts(); | ||||||
| 11471 | unsigned Pos; | ||||||
| 11472 | bool IsReferenceType = false; | ||||||
| 11473 | // Rescaling factor needed to compute the linear parameter | ||||||
| 11474 | // value in the mangled name. | ||||||
| 11475 | unsigned PtrRescalingFactor = 1; | ||||||
| 11476 | if (isa<CXXThisExpr>(E)) { | ||||||
| 11477 | Pos = ParamPositions[FD]; | ||||||
| 11478 | auto *P = cast<PointerType>(E->getType()); | ||||||
| 11479 | PtrRescalingFactor = CGM.getContext() | ||||||
| 11480 | .getTypeSizeInChars(P->getPointeeType()) | ||||||
| 11481 | .getQuantity(); | ||||||
| 11482 | } else { | ||||||
| 11483 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||||
| 11484 | ->getCanonicalDecl(); | ||||||
| 11485 | auto It = ParamPositions.find(PVD); | ||||||
| 11486 | assert(It != ParamPositions.end() && "Function parameter not found")(static_cast <bool> (It != ParamPositions.end() && "Function parameter not found") ? void (0) : __assert_fail ( "It != ParamPositions.end() && \"Function parameter not found\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11486, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11487 | Pos = It->second; | ||||||
| 11488 | if (auto *P = dyn_cast<PointerType>(PVD->getType())) | ||||||
| 11489 | PtrRescalingFactor = CGM.getContext() | ||||||
| 11490 | .getTypeSizeInChars(P->getPointeeType()) | ||||||
| 11491 | .getQuantity(); | ||||||
| 11492 | else if (PVD->getType()->isReferenceType()) { | ||||||
| 11493 | IsReferenceType = true; | ||||||
| 11494 | PtrRescalingFactor = | ||||||
| 11495 | CGM.getContext() | ||||||
| 11496 | .getTypeSizeInChars(PVD->getType().getNonReferenceType()) | ||||||
| 11497 | .getQuantity(); | ||||||
| 11498 | } | ||||||
| 11499 | } | ||||||
| 11500 | ParamAttrTy &ParamAttr = ParamAttrs[Pos]; | ||||||
| 11501 | if (*MI == OMPC_LINEAR_ref) | ||||||
| 11502 | ParamAttr.Kind = LinearRef; | ||||||
| 11503 | else if (*MI == OMPC_LINEAR_uval) | ||||||
| 11504 | ParamAttr.Kind = LinearUVal; | ||||||
| 11505 | else if (IsReferenceType) | ||||||
| 11506 | ParamAttr.Kind = LinearVal; | ||||||
| 11507 | else | ||||||
| 11508 | ParamAttr.Kind = Linear; | ||||||
| 11509 | // Assuming a stride of 1, for `linear` without modifiers. | ||||||
| 11510 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned(1); | ||||||
| 11511 | if (*SI) { | ||||||
| 11512 | Expr::EvalResult Result; | ||||||
| 11513 | if (!(*SI)->EvaluateAsInt(Result, C, Expr::SE_AllowSideEffects)) { | ||||||
| 11514 | if (const auto *DRE = | ||||||
| 11515 | cast<DeclRefExpr>((*SI)->IgnoreParenImpCasts())) { | ||||||
| 11516 | if (const auto *StridePVD = | ||||||
| 11517 | dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||||
| 11518 | ParamAttr.HasVarStride = true; | ||||||
| 11519 | auto It = ParamPositions.find(StridePVD->getCanonicalDecl()); | ||||||
| 11520 | assert(It != ParamPositions.end() &&(static_cast <bool> (It != ParamPositions.end() && "Function parameter not found") ? void (0) : __assert_fail ( "It != ParamPositions.end() && \"Function parameter not found\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11521, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11521 | "Function parameter not found")(static_cast <bool> (It != ParamPositions.end() && "Function parameter not found") ? void (0) : __assert_fail ( "It != ParamPositions.end() && \"Function parameter not found\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11521, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11522 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned(It->second); | ||||||
| 11523 | } | ||||||
| 11524 | } | ||||||
| 11525 | } else { | ||||||
| 11526 | ParamAttr.StrideOrArg = Result.Val.getInt(); | ||||||
| 11527 | } | ||||||
| 11528 | } | ||||||
| 11529 | // If we are using a linear clause on a pointer, we need to | ||||||
| 11530 | // rescale the value of linear_step with the byte size of the | ||||||
| 11531 | // pointee type. | ||||||
| 11532 | if (!ParamAttr.HasVarStride && | ||||||
| 11533 | (ParamAttr.Kind == Linear || ParamAttr.Kind == LinearRef)) | ||||||
| 11534 | ParamAttr.StrideOrArg = ParamAttr.StrideOrArg * PtrRescalingFactor; | ||||||
| 11535 | ++SI; | ||||||
| 11536 | ++MI; | ||||||
| 11537 | } | ||||||
| 11538 | llvm::APSInt VLENVal; | ||||||
| 11539 | SourceLocation ExprLoc; | ||||||
| 11540 | const Expr *VLENExpr = Attr->getSimdlen(); | ||||||
| 11541 | if (VLENExpr) { | ||||||
| 11542 | VLENVal = VLENExpr->EvaluateKnownConstInt(C); | ||||||
| 11543 | ExprLoc = VLENExpr->getExprLoc(); | ||||||
| 11544 | } | ||||||
| 11545 | OMPDeclareSimdDeclAttr::BranchStateTy State = Attr->getBranchState(); | ||||||
| 11546 | if (CGM.getTriple().isX86()) { | ||||||
| 11547 | emitX86DeclareSimdFunction(FD, Fn, VLENVal, ParamAttrs, State); | ||||||
| 11548 | } else if (CGM.getTriple().getArch() == llvm::Triple::aarch64) { | ||||||
| 11549 | unsigned VLEN = VLENVal.getExtValue(); | ||||||
| 11550 | StringRef MangledName = Fn->getName(); | ||||||
| 11551 | if (CGM.getTarget().hasFeature("sve")) | ||||||
| 11552 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | ||||||
| 11553 | MangledName, 's', 128, Fn, ExprLoc); | ||||||
| 11554 | else if (CGM.getTarget().hasFeature("neon")) | ||||||
| 11555 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | ||||||
| 11556 | MangledName, 'n', 128, Fn, ExprLoc); | ||||||
| 11557 | } | ||||||
| 11558 | } | ||||||
| 11559 | FD = FD->getPreviousDecl(); | ||||||
| 11560 | } | ||||||
| 11561 | } | ||||||
| 11562 | |||||||
| 11563 | namespace { | ||||||
| 11564 | /// Cleanup action for doacross support. | ||||||
| 11565 | class DoacrossCleanupTy final : public EHScopeStack::Cleanup { | ||||||
| 11566 | public: | ||||||
| 11567 | static const int DoacrossFinArgs = 2; | ||||||
| 11568 | |||||||
| 11569 | private: | ||||||
| 11570 | llvm::FunctionCallee RTLFn; | ||||||
| 11571 | llvm::Value *Args[DoacrossFinArgs]; | ||||||
| 11572 | |||||||
| 11573 | public: | ||||||
| 11574 | DoacrossCleanupTy(llvm::FunctionCallee RTLFn, | ||||||
| 11575 | ArrayRef<llvm::Value *> CallArgs) | ||||||
| 11576 | : RTLFn(RTLFn) { | ||||||
| 11577 | assert(CallArgs.size() == DoacrossFinArgs)(static_cast <bool> (CallArgs.size() == DoacrossFinArgs ) ? void (0) : __assert_fail ("CallArgs.size() == DoacrossFinArgs" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11577, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11578 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | ||||||
| 11579 | } | ||||||
| 11580 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||||
| 11581 | if (!CGF.HaveInsertPoint()) | ||||||
| 11582 | return; | ||||||
| 11583 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||||
| 11584 | } | ||||||
| 11585 | }; | ||||||
| 11586 | } // namespace | ||||||
| 11587 | |||||||
| 11588 | void CGOpenMPRuntime::emitDoacrossInit(CodeGenFunction &CGF, | ||||||
| 11589 | const OMPLoopDirective &D, | ||||||
| 11590 | ArrayRef<Expr *> NumIterations) { | ||||||
| 11591 | if (!CGF.HaveInsertPoint()) | ||||||
| 11592 | return; | ||||||
| 11593 | |||||||
| 11594 | ASTContext &C = CGM.getContext(); | ||||||
| 11595 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | ||||||
| 11596 | RecordDecl *RD; | ||||||
| 11597 | if (KmpDimTy.isNull()) { | ||||||
| 11598 | // Build struct kmp_dim { // loop bounds info casted to kmp_int64 | ||||||
| 11599 | // kmp_int64 lo; // lower | ||||||
| 11600 | // kmp_int64 up; // upper | ||||||
| 11601 | // kmp_int64 st; // stride | ||||||
| 11602 | // }; | ||||||
| 11603 | RD = C.buildImplicitRecord("kmp_dim"); | ||||||
| 11604 | RD->startDefinition(); | ||||||
| 11605 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 11606 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 11607 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||||
| 11608 | RD->completeDefinition(); | ||||||
| 11609 | KmpDimTy = C.getRecordType(RD); | ||||||
| 11610 | } else { | ||||||
| 11611 | RD = cast<RecordDecl>(KmpDimTy->getAsTagDecl()); | ||||||
| 11612 | } | ||||||
| 11613 | llvm::APInt Size(/*numBits=*/32, NumIterations.size()); | ||||||
| 11614 | QualType ArrayTy = | ||||||
| 11615 | C.getConstantArrayType(KmpDimTy, Size, nullptr, ArrayType::Normal, 0); | ||||||
| 11616 | |||||||
| 11617 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | ||||||
| 11618 | CGF.EmitNullInitialization(DimsAddr, ArrayTy); | ||||||
| 11619 | enum { LowerFD = 0, UpperFD, StrideFD }; | ||||||
| 11620 | // Fill dims with data. | ||||||
| 11621 | for (unsigned I = 0, E = NumIterations.size(); I < E; ++I) { | ||||||
| 11622 | LValue DimsLVal = CGF.MakeAddrLValue( | ||||||
| 11623 | CGF.Builder.CreateConstArrayGEP(DimsAddr, I), KmpDimTy); | ||||||
| 11624 | // dims.upper = num_iterations; | ||||||
| 11625 | LValue UpperLVal = CGF.EmitLValueForField( | ||||||
| 11626 | DimsLVal, *std::next(RD->field_begin(), UpperFD)); | ||||||
| 11627 | llvm::Value *NumIterVal = CGF.EmitScalarConversion( | ||||||
| 11628 | CGF.EmitScalarExpr(NumIterations[I]), NumIterations[I]->getType(), | ||||||
| 11629 | Int64Ty, NumIterations[I]->getExprLoc()); | ||||||
| 11630 | CGF.EmitStoreOfScalar(NumIterVal, UpperLVal); | ||||||
| 11631 | // dims.stride = 1; | ||||||
| 11632 | LValue StrideLVal = CGF.EmitLValueForField( | ||||||
| 11633 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | ||||||
| 11634 | CGF.EmitStoreOfScalar(llvm::ConstantInt::getSigned(CGM.Int64Ty, /*V=*/1), | ||||||
| 11635 | StrideLVal); | ||||||
| 11636 | } | ||||||
| 11637 | |||||||
| 11638 | // Build call void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, | ||||||
| 11639 | // kmp_int32 num_dims, struct kmp_dim * dims); | ||||||
| 11640 | llvm::Value *Args[] = { | ||||||
| 11641 | emitUpdateLocation(CGF, D.getBeginLoc()), | ||||||
| 11642 | getThreadID(CGF, D.getBeginLoc()), | ||||||
| 11643 | llvm::ConstantInt::getSigned(CGM.Int32Ty, NumIterations.size()), | ||||||
| 11644 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 11645 | CGF.Builder.CreateConstArrayGEP(DimsAddr, 0).getPointer(), | ||||||
| 11646 | CGM.VoidPtrTy)}; | ||||||
| 11647 | |||||||
| 11648 | llvm::FunctionCallee RTLFn = OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 11649 | CGM.getModule(), OMPRTL___kmpc_doacross_init); | ||||||
| 11650 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||||
| 11651 | llvm::Value *FiniArgs[DoacrossCleanupTy::DoacrossFinArgs] = { | ||||||
| 11652 | emitUpdateLocation(CGF, D.getEndLoc()), getThreadID(CGF, D.getEndLoc())}; | ||||||
| 11653 | llvm::FunctionCallee FiniRTLFn = OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 11654 | CGM.getModule(), OMPRTL___kmpc_doacross_fini); | ||||||
| 11655 | CGF.EHStack.pushCleanup<DoacrossCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | ||||||
| 11656 | llvm::ArrayRef(FiniArgs)); | ||||||
| 11657 | } | ||||||
| 11658 | |||||||
| 11659 | void CGOpenMPRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | ||||||
| 11660 | const OMPDependClause *C) { | ||||||
| 11661 | QualType Int64Ty = | ||||||
| 11662 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||||
| 11663 | llvm::APInt Size(/*numBits=*/32, C->getNumLoops()); | ||||||
| 11664 | QualType ArrayTy = CGM.getContext().getConstantArrayType( | ||||||
| 11665 | Int64Ty, Size, nullptr, ArrayType::Normal, 0); | ||||||
| 11666 | Address CntAddr = CGF.CreateMemTemp(ArrayTy, ".cnt.addr"); | ||||||
| 11667 | for (unsigned I = 0, E = C->getNumLoops(); I < E; ++I) { | ||||||
| 11668 | const Expr *CounterVal = C->getLoopData(I); | ||||||
| 11669 | assert(CounterVal)(static_cast <bool> (CounterVal) ? void (0) : __assert_fail ("CounterVal", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11669 , __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11670 | llvm::Value *CntVal = CGF.EmitScalarConversion( | ||||||
| 11671 | CGF.EmitScalarExpr(CounterVal), CounterVal->getType(), Int64Ty, | ||||||
| 11672 | CounterVal->getExprLoc()); | ||||||
| 11673 | CGF.EmitStoreOfScalar(CntVal, CGF.Builder.CreateConstArrayGEP(CntAddr, I), | ||||||
| 11674 | /*Volatile=*/false, Int64Ty); | ||||||
| 11675 | } | ||||||
| 11676 | llvm::Value *Args[] = { | ||||||
| 11677 | emitUpdateLocation(CGF, C->getBeginLoc()), | ||||||
| 11678 | getThreadID(CGF, C->getBeginLoc()), | ||||||
| 11679 | CGF.Builder.CreateConstArrayGEP(CntAddr, 0).getPointer()}; | ||||||
| 11680 | llvm::FunctionCallee RTLFn; | ||||||
| 11681 | if (C->getDependencyKind() == OMPC_DEPEND_source) { | ||||||
| 11682 | RTLFn = OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 11683 | OMPRTL___kmpc_doacross_post); | ||||||
| 11684 | } else { | ||||||
| 11685 | assert(C->getDependencyKind() == OMPC_DEPEND_sink)(static_cast <bool> (C->getDependencyKind() == OMPC_DEPEND_sink ) ? void (0) : __assert_fail ("C->getDependencyKind() == OMPC_DEPEND_sink" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11685, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11686 | RTLFn = OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 11687 | OMPRTL___kmpc_doacross_wait); | ||||||
| 11688 | } | ||||||
| 11689 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||||
| 11690 | } | ||||||
| 11691 | |||||||
| 11692 | void CGOpenMPRuntime::emitCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 11693 | llvm::FunctionCallee Callee, | ||||||
| 11694 | ArrayRef<llvm::Value *> Args) const { | ||||||
| 11695 | assert(Loc.isValid() && "Outlined function call location must be valid.")(static_cast <bool> (Loc.isValid() && "Outlined function call location must be valid." ) ? void (0) : __assert_fail ("Loc.isValid() && \"Outlined function call location must be valid.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11695, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11696 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||||
| 11697 | |||||||
| 11698 | if (auto *Fn = dyn_cast<llvm::Function>(Callee.getCallee())) { | ||||||
| 11699 | if (Fn->doesNotThrow()) { | ||||||
| 11700 | CGF.EmitNounwindRuntimeCall(Fn, Args); | ||||||
| 11701 | return; | ||||||
| 11702 | } | ||||||
| 11703 | } | ||||||
| 11704 | CGF.EmitRuntimeCall(Callee, Args); | ||||||
| 11705 | } | ||||||
| 11706 | |||||||
| 11707 | void CGOpenMPRuntime::emitOutlinedFunctionCall( | ||||||
| 11708 | CodeGenFunction &CGF, SourceLocation Loc, llvm::FunctionCallee OutlinedFn, | ||||||
| 11709 | ArrayRef<llvm::Value *> Args) const { | ||||||
| 11710 | emitCall(CGF, Loc, OutlinedFn, Args); | ||||||
| 11711 | } | ||||||
| 11712 | |||||||
| 11713 | void CGOpenMPRuntime::emitFunctionProlog(CodeGenFunction &CGF, const Decl *D) { | ||||||
| 11714 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) | ||||||
| 11715 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD)) | ||||||
| 11716 | HasEmittedDeclareTargetRegion = true; | ||||||
| 11717 | } | ||||||
| 11718 | |||||||
| 11719 | Address CGOpenMPRuntime::getParameterAddress(CodeGenFunction &CGF, | ||||||
| 11720 | const VarDecl *NativeParam, | ||||||
| 11721 | const VarDecl *TargetParam) const { | ||||||
| 11722 | return CGF.GetAddrOfLocalVar(NativeParam); | ||||||
| 11723 | } | ||||||
| 11724 | |||||||
| 11725 | /// Return allocator value from expression, or return a null allocator (default | ||||||
| 11726 | /// when no allocator specified). | ||||||
| 11727 | static llvm::Value *getAllocatorVal(CodeGenFunction &CGF, | ||||||
| 11728 | const Expr *Allocator) { | ||||||
| 11729 | llvm::Value *AllocVal; | ||||||
| 11730 | if (Allocator) { | ||||||
| 11731 | AllocVal = CGF.EmitScalarExpr(Allocator); | ||||||
| 11732 | // According to the standard, the original allocator type is a enum | ||||||
| 11733 | // (integer). Convert to pointer type, if required. | ||||||
| 11734 | AllocVal = CGF.EmitScalarConversion(AllocVal, Allocator->getType(), | ||||||
| 11735 | CGF.getContext().VoidPtrTy, | ||||||
| 11736 | Allocator->getExprLoc()); | ||||||
| 11737 | } else { | ||||||
| 11738 | // If no allocator specified, it defaults to the null allocator. | ||||||
| 11739 | AllocVal = llvm::Constant::getNullValue( | ||||||
| 11740 | CGF.CGM.getTypes().ConvertType(CGF.getContext().VoidPtrTy)); | ||||||
| 11741 | } | ||||||
| 11742 | return AllocVal; | ||||||
| 11743 | } | ||||||
| 11744 | |||||||
| 11745 | /// Return the alignment from an allocate directive if present. | ||||||
| 11746 | static llvm::Value *getAlignmentValue(CodeGenModule &CGM, const VarDecl *VD) { | ||||||
| 11747 | std::optional<CharUnits> AllocateAlignment = CGM.getOMPAllocateAlignment(VD); | ||||||
| 11748 | |||||||
| 11749 | if (!AllocateAlignment) | ||||||
| 11750 | return nullptr; | ||||||
| 11751 | |||||||
| 11752 | return llvm::ConstantInt::get(CGM.SizeTy, AllocateAlignment->getQuantity()); | ||||||
| 11753 | } | ||||||
| 11754 | |||||||
| 11755 | Address CGOpenMPRuntime::getAddressOfLocalVariable(CodeGenFunction &CGF, | ||||||
| 11756 | const VarDecl *VD) { | ||||||
| 11757 | if (!VD) | ||||||
| 11758 | return Address::invalid(); | ||||||
| 11759 | Address UntiedAddr = Address::invalid(); | ||||||
| 11760 | Address UntiedRealAddr = Address::invalid(); | ||||||
| 11761 | auto It = FunctionToUntiedTaskStackMap.find(CGF.CurFn); | ||||||
| 11762 | if (It != FunctionToUntiedTaskStackMap.end()) { | ||||||
| 11763 | const UntiedLocalVarsAddressesMap &UntiedData = | ||||||
| 11764 | UntiedLocalVarsStack[It->second]; | ||||||
| 11765 | auto I = UntiedData.find(VD); | ||||||
| 11766 | if (I != UntiedData.end()) { | ||||||
| 11767 | UntiedAddr = I->second.first; | ||||||
| 11768 | UntiedRealAddr = I->second.second; | ||||||
| 11769 | } | ||||||
| 11770 | } | ||||||
| 11771 | const VarDecl *CVD = VD->getCanonicalDecl(); | ||||||
| 11772 | if (CVD->hasAttr<OMPAllocateDeclAttr>()) { | ||||||
| 11773 | // Use the default allocation. | ||||||
| 11774 | if (!isAllocatableDecl(VD)) | ||||||
| 11775 | return UntiedAddr; | ||||||
| 11776 | llvm::Value *Size; | ||||||
| 11777 | CharUnits Align = CGM.getContext().getDeclAlign(CVD); | ||||||
| 11778 | if (CVD->getType()->isVariablyModifiedType()) { | ||||||
| 11779 | Size = CGF.getTypeSize(CVD->getType()); | ||||||
| 11780 | // Align the size: ((size + align - 1) / align) * align | ||||||
| 11781 | Size = CGF.Builder.CreateNUWAdd( | ||||||
| 11782 | Size, CGM.getSize(Align - CharUnits::fromQuantity(1))); | ||||||
| 11783 | Size = CGF.Builder.CreateUDiv(Size, CGM.getSize(Align)); | ||||||
| 11784 | Size = CGF.Builder.CreateNUWMul(Size, CGM.getSize(Align)); | ||||||
| 11785 | } else { | ||||||
| 11786 | CharUnits Sz = CGM.getContext().getTypeSizeInChars(CVD->getType()); | ||||||
| 11787 | Size = CGM.getSize(Sz.alignTo(Align)); | ||||||
| 11788 | } | ||||||
| 11789 | llvm::Value *ThreadID = getThreadID(CGF, CVD->getBeginLoc()); | ||||||
| 11790 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | ||||||
| 11791 | const Expr *Allocator = AA->getAllocator(); | ||||||
| 11792 | llvm::Value *AllocVal = getAllocatorVal(CGF, Allocator); | ||||||
| 11793 | llvm::Value *Alignment = getAlignmentValue(CGM, CVD); | ||||||
| 11794 | SmallVector<llvm::Value *, 4> Args; | ||||||
| 11795 | Args.push_back(ThreadID); | ||||||
| 11796 | if (Alignment) | ||||||
| 11797 | Args.push_back(Alignment); | ||||||
| 11798 | Args.push_back(Size); | ||||||
| 11799 | Args.push_back(AllocVal); | ||||||
| 11800 | llvm::omp::RuntimeFunction FnID = | ||||||
| 11801 | Alignment ? OMPRTL___kmpc_aligned_alloc : OMPRTL___kmpc_alloc; | ||||||
| 11802 | llvm::Value *Addr = CGF.EmitRuntimeCall( | ||||||
| 11803 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), FnID), Args, | ||||||
| 11804 | getName({CVD->getName(), ".void.addr"})); | ||||||
| 11805 | llvm::FunctionCallee FiniRTLFn = OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 11806 | CGM.getModule(), OMPRTL___kmpc_free); | ||||||
| 11807 | QualType Ty = CGM.getContext().getPointerType(CVD->getType()); | ||||||
| 11808 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 11809 | Addr, CGF.ConvertTypeForMem(Ty), getName({CVD->getName(), ".addr"})); | ||||||
| 11810 | if (UntiedAddr.isValid()) | ||||||
| 11811 | CGF.EmitStoreOfScalar(Addr, UntiedAddr, /*Volatile=*/false, Ty); | ||||||
| 11812 | |||||||
| 11813 | // Cleanup action for allocate support. | ||||||
| 11814 | class OMPAllocateCleanupTy final : public EHScopeStack::Cleanup { | ||||||
| 11815 | llvm::FunctionCallee RTLFn; | ||||||
| 11816 | SourceLocation::UIntTy LocEncoding; | ||||||
| 11817 | Address Addr; | ||||||
| 11818 | const Expr *AllocExpr; | ||||||
| 11819 | |||||||
| 11820 | public: | ||||||
| 11821 | OMPAllocateCleanupTy(llvm::FunctionCallee RTLFn, | ||||||
| 11822 | SourceLocation::UIntTy LocEncoding, Address Addr, | ||||||
| 11823 | const Expr *AllocExpr) | ||||||
| 11824 | : RTLFn(RTLFn), LocEncoding(LocEncoding), Addr(Addr), | ||||||
| 11825 | AllocExpr(AllocExpr) {} | ||||||
| 11826 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||||
| 11827 | if (!CGF.HaveInsertPoint()) | ||||||
| 11828 | return; | ||||||
| 11829 | llvm::Value *Args[3]; | ||||||
| 11830 | Args[0] = CGF.CGM.getOpenMPRuntime().getThreadID( | ||||||
| 11831 | CGF, SourceLocation::getFromRawEncoding(LocEncoding)); | ||||||
| 11832 | Args[1] = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 11833 | Addr.getPointer(), CGF.VoidPtrTy); | ||||||
| 11834 | llvm::Value *AllocVal = getAllocatorVal(CGF, AllocExpr); | ||||||
| 11835 | Args[2] = AllocVal; | ||||||
| 11836 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||||
| 11837 | } | ||||||
| 11838 | }; | ||||||
| 11839 | Address VDAddr = | ||||||
| 11840 | UntiedRealAddr.isValid() | ||||||
| 11841 | ? UntiedRealAddr | ||||||
| 11842 | : Address(Addr, CGF.ConvertTypeForMem(CVD->getType()), Align); | ||||||
| 11843 | CGF.EHStack.pushCleanup<OMPAllocateCleanupTy>( | ||||||
| 11844 | NormalAndEHCleanup, FiniRTLFn, CVD->getLocation().getRawEncoding(), | ||||||
| 11845 | VDAddr, Allocator); | ||||||
| 11846 | if (UntiedRealAddr.isValid()) | ||||||
| 11847 | if (auto *Region = | ||||||
| 11848 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 11849 | Region->emitUntiedSwitch(CGF); | ||||||
| 11850 | return VDAddr; | ||||||
| 11851 | } | ||||||
| 11852 | return UntiedAddr; | ||||||
| 11853 | } | ||||||
| 11854 | |||||||
| 11855 | bool CGOpenMPRuntime::isLocalVarInUntiedTask(CodeGenFunction &CGF, | ||||||
| 11856 | const VarDecl *VD) const { | ||||||
| 11857 | auto It = FunctionToUntiedTaskStackMap.find(CGF.CurFn); | ||||||
| 11858 | if (It == FunctionToUntiedTaskStackMap.end()) | ||||||
| 11859 | return false; | ||||||
| 11860 | return UntiedLocalVarsStack[It->second].count(VD) > 0; | ||||||
| 11861 | } | ||||||
| 11862 | |||||||
| 11863 | CGOpenMPRuntime::NontemporalDeclsRAII::NontemporalDeclsRAII( | ||||||
| 11864 | CodeGenModule &CGM, const OMPLoopDirective &S) | ||||||
| 11865 | : CGM(CGM), NeedToPush(S.hasClausesOfKind<OMPNontemporalClause>()) { | ||||||
| 11866 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")(static_cast <bool> (CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? void (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11866, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11867 | if (!NeedToPush) | ||||||
| 11868 | return; | ||||||
| 11869 | NontemporalDeclsSet &DS = | ||||||
| 11870 | CGM.getOpenMPRuntime().NontemporalDeclsStack.emplace_back(); | ||||||
| 11871 | for (const auto *C : S.getClausesOfKind<OMPNontemporalClause>()) { | ||||||
| 11872 | for (const Stmt *Ref : C->private_refs()) { | ||||||
| 11873 | const auto *SimpleRefExpr = cast<Expr>(Ref)->IgnoreParenImpCasts(); | ||||||
| 11874 | const ValueDecl *VD; | ||||||
| 11875 | if (const auto *DRE = dyn_cast<DeclRefExpr>(SimpleRefExpr)) { | ||||||
| 11876 | VD = DRE->getDecl(); | ||||||
| 11877 | } else { | ||||||
| 11878 | const auto *ME = cast<MemberExpr>(SimpleRefExpr); | ||||||
| 11879 | assert((ME->isImplicitCXXThis() ||(static_cast <bool> ((ME->isImplicitCXXThis() || isa <CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts( ))) && "Expected member of current class.") ? void (0 ) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11881, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11880 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) &&(static_cast <bool> ((ME->isImplicitCXXThis() || isa <CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts( ))) && "Expected member of current class.") ? void (0 ) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11881, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 11881 | "Expected member of current class.")(static_cast <bool> ((ME->isImplicitCXXThis() || isa <CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts( ))) && "Expected member of current class.") ? void (0 ) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11881, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11882 | VD = ME->getMemberDecl(); | ||||||
| 11883 | } | ||||||
| 11884 | DS.insert(VD); | ||||||
| 11885 | } | ||||||
| 11886 | } | ||||||
| 11887 | } | ||||||
| 11888 | |||||||
| 11889 | CGOpenMPRuntime::NontemporalDeclsRAII::~NontemporalDeclsRAII() { | ||||||
| 11890 | if (!NeedToPush) | ||||||
| 11891 | return; | ||||||
| 11892 | CGM.getOpenMPRuntime().NontemporalDeclsStack.pop_back(); | ||||||
| 11893 | } | ||||||
| 11894 | |||||||
| 11895 | CGOpenMPRuntime::UntiedTaskLocalDeclsRAII::UntiedTaskLocalDeclsRAII( | ||||||
| 11896 | CodeGenFunction &CGF, | ||||||
| 11897 | const llvm::MapVector<CanonicalDeclPtr<const VarDecl>, | ||||||
| 11898 | std::pair<Address, Address>> &LocalVars) | ||||||
| 11899 | : CGM(CGF.CGM), NeedToPush(!LocalVars.empty()) { | ||||||
| 11900 | if (!NeedToPush) | ||||||
| 11901 | return; | ||||||
| 11902 | CGM.getOpenMPRuntime().FunctionToUntiedTaskStackMap.try_emplace( | ||||||
| 11903 | CGF.CurFn, CGM.getOpenMPRuntime().UntiedLocalVarsStack.size()); | ||||||
| 11904 | CGM.getOpenMPRuntime().UntiedLocalVarsStack.push_back(LocalVars); | ||||||
| 11905 | } | ||||||
| 11906 | |||||||
| 11907 | CGOpenMPRuntime::UntiedTaskLocalDeclsRAII::~UntiedTaskLocalDeclsRAII() { | ||||||
| 11908 | if (!NeedToPush) | ||||||
| 11909 | return; | ||||||
| 11910 | CGM.getOpenMPRuntime().UntiedLocalVarsStack.pop_back(); | ||||||
| 11911 | } | ||||||
| 11912 | |||||||
| 11913 | bool CGOpenMPRuntime::isNontemporalDecl(const ValueDecl *VD) const { | ||||||
| 11914 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")(static_cast <bool> (CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? void (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 11914, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 11915 | |||||||
| 11916 | return llvm::any_of( | ||||||
| 11917 | CGM.getOpenMPRuntime().NontemporalDeclsStack, | ||||||
| 11918 | [VD](const NontemporalDeclsSet &Set) { return Set.contains(VD); }); | ||||||
| 11919 | } | ||||||
| 11920 | |||||||
| 11921 | void CGOpenMPRuntime::LastprivateConditionalRAII::tryToDisableInnerAnalysis( | ||||||
| 11922 | const OMPExecutableDirective &S, | ||||||
| 11923 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> &NeedToAddForLPCsAsDisabled) | ||||||
| 11924 | const { | ||||||
| 11925 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToCheckForLPCs; | ||||||
| 11926 | // Vars in target/task regions must be excluded completely. | ||||||
| 11927 | if (isOpenMPTargetExecutionDirective(S.getDirectiveKind()) || | ||||||
| 11928 | isOpenMPTaskingDirective(S.getDirectiveKind())) { | ||||||
| 11929 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||
| 11930 | getOpenMPCaptureRegions(CaptureRegions, S.getDirectiveKind()); | ||||||
| 11931 | const CapturedStmt *CS = S.getCapturedStmt(CaptureRegions.front()); | ||||||
| 11932 | for (const CapturedStmt::Capture &Cap : CS->captures()) { | ||||||
| 11933 | if (Cap.capturesVariable() || Cap.capturesVariableByCopy()) | ||||||
| 11934 | NeedToCheckForLPCs.insert(Cap.getCapturedVar()); | ||||||
| 11935 | } | ||||||
| 11936 | } | ||||||
| 11937 | // Exclude vars in private clauses. | ||||||
| 11938 | for (const auto *C : S.getClausesOfKind<OMPPrivateClause>()) { | ||||||
| 11939 | for (const Expr *Ref : C->varlists()) { | ||||||
| 11940 | if (!Ref->getType()->isScalarType()) | ||||||
| 11941 | continue; | ||||||
| 11942 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||||
| 11943 | if (!DRE) | ||||||
| 11944 | continue; | ||||||
| 11945 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||||
| 11946 | } | ||||||
| 11947 | } | ||||||
| 11948 | for (const auto *C : S.getClausesOfKind<OMPFirstprivateClause>()) { | ||||||
| 11949 | for (const Expr *Ref : C->varlists()) { | ||||||
| 11950 | if (!Ref->getType()->isScalarType()) | ||||||
| 11951 | continue; | ||||||
| 11952 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||||
| 11953 | if (!DRE) | ||||||
| 11954 | continue; | ||||||
| 11955 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||||
| 11956 | } | ||||||
| 11957 | } | ||||||
| 11958 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | ||||||
| 11959 | for (const Expr *Ref : C->varlists()) { | ||||||
| 11960 | if (!Ref->getType()->isScalarType()) | ||||||
| 11961 | continue; | ||||||
| 11962 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||||
| 11963 | if (!DRE) | ||||||
| 11964 | continue; | ||||||
| 11965 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||||
| 11966 | } | ||||||
| 11967 | } | ||||||
| 11968 | for (const auto *C : S.getClausesOfKind<OMPReductionClause>()) { | ||||||
| 11969 | for (const Expr *Ref : C->varlists()) { | ||||||
| 11970 | if (!Ref->getType()->isScalarType()) | ||||||
| 11971 | continue; | ||||||
| 11972 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||||
| 11973 | if (!DRE) | ||||||
| 11974 | continue; | ||||||
| 11975 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||||
| 11976 | } | ||||||
| 11977 | } | ||||||
| 11978 | for (const auto *C : S.getClausesOfKind<OMPLinearClause>()) { | ||||||
| 11979 | for (const Expr *Ref : C->varlists()) { | ||||||
| 11980 | if (!Ref->getType()->isScalarType()) | ||||||
| 11981 | continue; | ||||||
| 11982 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||||
| 11983 | if (!DRE) | ||||||
| 11984 | continue; | ||||||
| 11985 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||||
| 11986 | } | ||||||
| 11987 | } | ||||||
| 11988 | for (const Decl *VD : NeedToCheckForLPCs) { | ||||||
| 11989 | for (const LastprivateConditionalData &Data : | ||||||
| 11990 | llvm::reverse(CGM.getOpenMPRuntime().LastprivateConditionalStack)) { | ||||||
| 11991 | if (Data.DeclToUniqueName.count(VD) > 0) { | ||||||
| 11992 | if (!Data.Disabled) | ||||||
| 11993 | NeedToAddForLPCsAsDisabled.insert(VD); | ||||||
| 11994 | break; | ||||||
| 11995 | } | ||||||
| 11996 | } | ||||||
| 11997 | } | ||||||
| 11998 | } | ||||||
| 11999 | |||||||
| 12000 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | ||||||
| 12001 | CodeGenFunction &CGF, const OMPExecutableDirective &S, LValue IVLVal) | ||||||
| 12002 | : CGM(CGF.CGM), | ||||||
| 12003 | Action((CGM.getLangOpts().OpenMP >= 50 && | ||||||
| 12004 | llvm::any_of(S.getClausesOfKind<OMPLastprivateClause>(), | ||||||
| 12005 | [](const OMPLastprivateClause *C) { | ||||||
| 12006 | return C->getKind() == | ||||||
| 12007 | OMPC_LASTPRIVATE_conditional; | ||||||
| 12008 | })) | ||||||
| 12009 | ? ActionToDo::PushAsLastprivateConditional | ||||||
| 12010 | : ActionToDo::DoNotPush) { | ||||||
| 12011 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")(static_cast <bool> (CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? void (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12011, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12012 | if (CGM.getLangOpts().OpenMP < 50 || Action == ActionToDo::DoNotPush) | ||||||
| 12013 | return; | ||||||
| 12014 | assert(Action == ActionToDo::PushAsLastprivateConditional &&(static_cast <bool> (Action == ActionToDo::PushAsLastprivateConditional && "Expected a push action.") ? void (0) : __assert_fail ("Action == ActionToDo::PushAsLastprivateConditional && \"Expected a push action.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12015, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12015 | "Expected a push action.")(static_cast <bool> (Action == ActionToDo::PushAsLastprivateConditional && "Expected a push action.") ? void (0) : __assert_fail ("Action == ActionToDo::PushAsLastprivateConditional && \"Expected a push action.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12015, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12016 | LastprivateConditionalData &Data = | ||||||
| 12017 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | ||||||
| 12018 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | ||||||
| 12019 | if (C->getKind() != OMPC_LASTPRIVATE_conditional) | ||||||
| 12020 | continue; | ||||||
| 12021 | |||||||
| 12022 | for (const Expr *Ref : C->varlists()) { | ||||||
| 12023 | Data.DeclToUniqueName.insert(std::make_pair( | ||||||
| 12024 | cast<DeclRefExpr>(Ref->IgnoreParenImpCasts())->getDecl(), | ||||||
| 12025 | SmallString<16>(generateUniqueName(CGM, "pl_cond", Ref)))); | ||||||
| 12026 | } | ||||||
| 12027 | } | ||||||
| 12028 | Data.IVLVal = IVLVal; | ||||||
| 12029 | Data.Fn = CGF.CurFn; | ||||||
| 12030 | } | ||||||
| 12031 | |||||||
| 12032 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | ||||||
| 12033 | CodeGenFunction &CGF, const OMPExecutableDirective &S) | ||||||
| 12034 | : CGM(CGF.CGM), Action(ActionToDo::DoNotPush) { | ||||||
| 12035 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")(static_cast <bool> (CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? void (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12035, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12036 | if (CGM.getLangOpts().OpenMP < 50) | ||||||
| 12037 | return; | ||||||
| 12038 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToAddForLPCsAsDisabled; | ||||||
| 12039 | tryToDisableInnerAnalysis(S, NeedToAddForLPCsAsDisabled); | ||||||
| 12040 | if (!NeedToAddForLPCsAsDisabled.empty()) { | ||||||
| 12041 | Action = ActionToDo::DisableLastprivateConditional; | ||||||
| 12042 | LastprivateConditionalData &Data = | ||||||
| 12043 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | ||||||
| 12044 | for (const Decl *VD : NeedToAddForLPCsAsDisabled) | ||||||
| 12045 | Data.DeclToUniqueName.insert(std::make_pair(VD, SmallString<16>())); | ||||||
| 12046 | Data.Fn = CGF.CurFn; | ||||||
| 12047 | Data.Disabled = true; | ||||||
| 12048 | } | ||||||
| 12049 | } | ||||||
| 12050 | |||||||
| 12051 | CGOpenMPRuntime::LastprivateConditionalRAII | ||||||
| 12052 | CGOpenMPRuntime::LastprivateConditionalRAII::disable( | ||||||
| 12053 | CodeGenFunction &CGF, const OMPExecutableDirective &S) { | ||||||
| 12054 | return LastprivateConditionalRAII(CGF, S); | ||||||
| 12055 | } | ||||||
| 12056 | |||||||
| 12057 | CGOpenMPRuntime::LastprivateConditionalRAII::~LastprivateConditionalRAII() { | ||||||
| 12058 | if (CGM.getLangOpts().OpenMP < 50) | ||||||
| 12059 | return; | ||||||
| 12060 | if (Action == ActionToDo::DisableLastprivateConditional) { | ||||||
| 12061 | assert(CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled &&(static_cast <bool> (CGM.getOpenMPRuntime().LastprivateConditionalStack .back().Disabled && "Expected list of disabled private vars." ) ? void (0) : __assert_fail ("CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of disabled private vars.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12062, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12062 | "Expected list of disabled private vars.")(static_cast <bool> (CGM.getOpenMPRuntime().LastprivateConditionalStack .back().Disabled && "Expected list of disabled private vars." ) ? void (0) : __assert_fail ("CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of disabled private vars.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12062, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12063 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | ||||||
| 12064 | } | ||||||
| 12065 | if (Action == ActionToDo::PushAsLastprivateConditional) { | ||||||
| 12066 | assert((static_cast <bool> (!CGM.getOpenMPRuntime().LastprivateConditionalStack .back().Disabled && "Expected list of lastprivate conditional vars." ) ? void (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12068, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12067 | !CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled &&(static_cast <bool> (!CGM.getOpenMPRuntime().LastprivateConditionalStack .back().Disabled && "Expected list of lastprivate conditional vars." ) ? void (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12068, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12068 | "Expected list of lastprivate conditional vars.")(static_cast <bool> (!CGM.getOpenMPRuntime().LastprivateConditionalStack .back().Disabled && "Expected list of lastprivate conditional vars." ) ? void (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12068, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12069 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | ||||||
| 12070 | } | ||||||
| 12071 | } | ||||||
| 12072 | |||||||
| 12073 | Address CGOpenMPRuntime::emitLastprivateConditionalInit(CodeGenFunction &CGF, | ||||||
| 12074 | const VarDecl *VD) { | ||||||
| 12075 | ASTContext &C = CGM.getContext(); | ||||||
| 12076 | auto I = LastprivateConditionalToTypes.find(CGF.CurFn); | ||||||
| 12077 | if (I == LastprivateConditionalToTypes.end()) | ||||||
| 12078 | I = LastprivateConditionalToTypes.try_emplace(CGF.CurFn).first; | ||||||
| 12079 | QualType NewType; | ||||||
| 12080 | const FieldDecl *VDField; | ||||||
| 12081 | const FieldDecl *FiredField; | ||||||
| 12082 | LValue BaseLVal; | ||||||
| 12083 | auto VI = I->getSecond().find(VD); | ||||||
| 12084 | if (VI == I->getSecond().end()) { | ||||||
| 12085 | RecordDecl *RD = C.buildImplicitRecord("lasprivate.conditional"); | ||||||
| 12086 | RD->startDefinition(); | ||||||
| 12087 | VDField = addFieldToRecordDecl(C, RD, VD->getType().getNonReferenceType()); | ||||||
| 12088 | FiredField = addFieldToRecordDecl(C, RD, C.CharTy); | ||||||
| 12089 | RD->completeDefinition(); | ||||||
| 12090 | NewType = C.getRecordType(RD); | ||||||
| 12091 | Address Addr = CGF.CreateMemTemp(NewType, C.getDeclAlign(VD), VD->getName()); | ||||||
| 12092 | BaseLVal = CGF.MakeAddrLValue(Addr, NewType, AlignmentSource::Decl); | ||||||
| 12093 | I->getSecond().try_emplace(VD, NewType, VDField, FiredField, BaseLVal); | ||||||
| 12094 | } else { | ||||||
| 12095 | NewType = std::get<0>(VI->getSecond()); | ||||||
| 12096 | VDField = std::get<1>(VI->getSecond()); | ||||||
| 12097 | FiredField = std::get<2>(VI->getSecond()); | ||||||
| 12098 | BaseLVal = std::get<3>(VI->getSecond()); | ||||||
| 12099 | } | ||||||
| 12100 | LValue FiredLVal = | ||||||
| 12101 | CGF.EmitLValueForField(BaseLVal, FiredField); | ||||||
| 12102 | CGF.EmitStoreOfScalar( | ||||||
| 12103 | llvm::ConstantInt::getNullValue(CGF.ConvertTypeForMem(C.CharTy)), | ||||||
| 12104 | FiredLVal); | ||||||
| 12105 | return CGF.EmitLValueForField(BaseLVal, VDField).getAddress(CGF); | ||||||
| 12106 | } | ||||||
| 12107 | |||||||
| 12108 | namespace { | ||||||
| 12109 | /// Checks if the lastprivate conditional variable is referenced in LHS. | ||||||
| 12110 | class LastprivateConditionalRefChecker final | ||||||
| 12111 | : public ConstStmtVisitor<LastprivateConditionalRefChecker, bool> { | ||||||
| 12112 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM; | ||||||
| 12113 | const Expr *FoundE = nullptr; | ||||||
| 12114 | const Decl *FoundD = nullptr; | ||||||
| 12115 | StringRef UniqueDeclName; | ||||||
| 12116 | LValue IVLVal; | ||||||
| 12117 | llvm::Function *FoundFn = nullptr; | ||||||
| 12118 | SourceLocation Loc; | ||||||
| 12119 | |||||||
| 12120 | public: | ||||||
| 12121 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||||
| 12122 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | ||||||
| 12123 | llvm::reverse(LPM)) { | ||||||
| 12124 | auto It = D.DeclToUniqueName.find(E->getDecl()); | ||||||
| 12125 | if (It == D.DeclToUniqueName.end()) | ||||||
| 12126 | continue; | ||||||
| 12127 | if (D.Disabled) | ||||||
| 12128 | return false; | ||||||
| 12129 | FoundE = E; | ||||||
| 12130 | FoundD = E->getDecl()->getCanonicalDecl(); | ||||||
| 12131 | UniqueDeclName = It->second; | ||||||
| 12132 | IVLVal = D.IVLVal; | ||||||
| 12133 | FoundFn = D.Fn; | ||||||
| 12134 | break; | ||||||
| 12135 | } | ||||||
| 12136 | return FoundE == E; | ||||||
| 12137 | } | ||||||
| 12138 | bool VisitMemberExpr(const MemberExpr *E) { | ||||||
| 12139 | if (!CodeGenFunction::IsWrappedCXXThis(E->getBase())) | ||||||
| 12140 | return false; | ||||||
| 12141 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | ||||||
| 12142 | llvm::reverse(LPM)) { | ||||||
| 12143 | auto It = D.DeclToUniqueName.find(E->getMemberDecl()); | ||||||
| 12144 | if (It == D.DeclToUniqueName.end()) | ||||||
| 12145 | continue; | ||||||
| 12146 | if (D.Disabled) | ||||||
| 12147 | return false; | ||||||
| 12148 | FoundE = E; | ||||||
| 12149 | FoundD = E->getMemberDecl()->getCanonicalDecl(); | ||||||
| 12150 | UniqueDeclName = It->second; | ||||||
| 12151 | IVLVal = D.IVLVal; | ||||||
| 12152 | FoundFn = D.Fn; | ||||||
| 12153 | break; | ||||||
| 12154 | } | ||||||
| 12155 | return FoundE == E; | ||||||
| 12156 | } | ||||||
| 12157 | bool VisitStmt(const Stmt *S) { | ||||||
| 12158 | for (const Stmt *Child : S->children()) { | ||||||
| 12159 | if (!Child) | ||||||
| 12160 | continue; | ||||||
| 12161 | if (const auto *E = dyn_cast<Expr>(Child)) | ||||||
| 12162 | if (!E->isGLValue()) | ||||||
| 12163 | continue; | ||||||
| 12164 | if (Visit(Child)) | ||||||
| 12165 | return true; | ||||||
| 12166 | } | ||||||
| 12167 | return false; | ||||||
| 12168 | } | ||||||
| 12169 | explicit LastprivateConditionalRefChecker( | ||||||
| 12170 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM) | ||||||
| 12171 | : LPM(LPM) {} | ||||||
| 12172 | std::tuple<const Expr *, const Decl *, StringRef, LValue, llvm::Function *> | ||||||
| 12173 | getFoundData() const { | ||||||
| 12174 | return std::make_tuple(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn); | ||||||
| 12175 | } | ||||||
| 12176 | }; | ||||||
| 12177 | } // namespace | ||||||
| 12178 | |||||||
| 12179 | void CGOpenMPRuntime::emitLastprivateConditionalUpdate(CodeGenFunction &CGF, | ||||||
| 12180 | LValue IVLVal, | ||||||
| 12181 | StringRef UniqueDeclName, | ||||||
| 12182 | LValue LVal, | ||||||
| 12183 | SourceLocation Loc) { | ||||||
| 12184 | // Last updated loop counter for the lastprivate conditional var. | ||||||
| 12185 | // int<xx> last_iv = 0; | ||||||
| 12186 | llvm::Type *LLIVTy = CGF.ConvertTypeForMem(IVLVal.getType()); | ||||||
| 12187 | llvm::Constant *LastIV = OMPBuilder.getOrCreateInternalVariable( | ||||||
| 12188 | LLIVTy, getName({UniqueDeclName, "iv"})); | ||||||
| 12189 | cast<llvm::GlobalVariable>(LastIV)->setAlignment( | ||||||
| 12190 | IVLVal.getAlignment().getAsAlign()); | ||||||
| 12191 | LValue LastIVLVal = CGF.MakeNaturalAlignAddrLValue(LastIV, IVLVal.getType()); | ||||||
| 12192 | |||||||
| 12193 | // Last value of the lastprivate conditional. | ||||||
| 12194 | // decltype(priv_a) last_a; | ||||||
| 12195 | llvm::GlobalVariable *Last = OMPBuilder.getOrCreateInternalVariable( | ||||||
| 12196 | CGF.ConvertTypeForMem(LVal.getType()), UniqueDeclName); | ||||||
| 12197 | Last->setAlignment(LVal.getAlignment().getAsAlign()); | ||||||
| 12198 | LValue LastLVal = CGF.MakeAddrLValue( | ||||||
| 12199 | Address(Last, Last->getValueType(), LVal.getAlignment()), LVal.getType()); | ||||||
| 12200 | |||||||
| 12201 | // Global loop counter. Required to handle inner parallel-for regions. | ||||||
| 12202 | // iv | ||||||
| 12203 | llvm::Value *IVVal = CGF.EmitLoadOfScalar(IVLVal, Loc); | ||||||
| 12204 | |||||||
| 12205 | // #pragma omp critical(a) | ||||||
| 12206 | // if (last_iv <= iv) { | ||||||
| 12207 | // last_iv = iv; | ||||||
| 12208 | // last_a = priv_a; | ||||||
| 12209 | // } | ||||||
| 12210 | auto &&CodeGen = [&LastIVLVal, &IVLVal, IVVal, &LVal, &LastLVal, | ||||||
| 12211 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 12212 | Action.Enter(CGF); | ||||||
| 12213 | llvm::Value *LastIVVal = CGF.EmitLoadOfScalar(LastIVLVal, Loc); | ||||||
| 12214 | // (last_iv <= iv) ? Check if the variable is updated and store new | ||||||
| 12215 | // value in global var. | ||||||
| 12216 | llvm::Value *CmpRes; | ||||||
| 12217 | if (IVLVal.getType()->isSignedIntegerType()) { | ||||||
| 12218 | CmpRes = CGF.Builder.CreateICmpSLE(LastIVVal, IVVal); | ||||||
| 12219 | } else { | ||||||
| 12220 | assert(IVLVal.getType()->isUnsignedIntegerType() &&(static_cast <bool> (IVLVal.getType()->isUnsignedIntegerType () && "Loop iteration variable must be integer.") ? void (0) : __assert_fail ("IVLVal.getType()->isUnsignedIntegerType() && \"Loop iteration variable must be integer.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12221, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12221 | "Loop iteration variable must be integer.")(static_cast <bool> (IVLVal.getType()->isUnsignedIntegerType () && "Loop iteration variable must be integer.") ? void (0) : __assert_fail ("IVLVal.getType()->isUnsignedIntegerType() && \"Loop iteration variable must be integer.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12221, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12222 | CmpRes = CGF.Builder.CreateICmpULE(LastIVVal, IVVal); | ||||||
| 12223 | } | ||||||
| 12224 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lp_cond_then"); | ||||||
| 12225 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock("lp_cond_exit"); | ||||||
| 12226 | CGF.Builder.CreateCondBr(CmpRes, ThenBB, ExitBB); | ||||||
| 12227 | // { | ||||||
| 12228 | CGF.EmitBlock(ThenBB); | ||||||
| 12229 | |||||||
| 12230 | // last_iv = iv; | ||||||
| 12231 | CGF.EmitStoreOfScalar(IVVal, LastIVLVal); | ||||||
| 12232 | |||||||
| 12233 | // last_a = priv_a; | ||||||
| 12234 | switch (CGF.getEvaluationKind(LVal.getType())) { | ||||||
| 12235 | case TEK_Scalar: { | ||||||
| 12236 | llvm::Value *PrivVal = CGF.EmitLoadOfScalar(LVal, Loc); | ||||||
| 12237 | CGF.EmitStoreOfScalar(PrivVal, LastLVal); | ||||||
| 12238 | break; | ||||||
| 12239 | } | ||||||
| 12240 | case TEK_Complex: { | ||||||
| 12241 | CodeGenFunction::ComplexPairTy PrivVal = CGF.EmitLoadOfComplex(LVal, Loc); | ||||||
| 12242 | CGF.EmitStoreOfComplex(PrivVal, LastLVal, /*isInit=*/false); | ||||||
| 12243 | break; | ||||||
| 12244 | } | ||||||
| 12245 | case TEK_Aggregate: | ||||||
| 12246 | llvm_unreachable(::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12247) | ||||||
| 12247 | "Aggregates are not supported in lastprivate conditional.")::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12247); | ||||||
| 12248 | } | ||||||
| 12249 | // } | ||||||
| 12250 | CGF.EmitBranch(ExitBB); | ||||||
| 12251 | // There is no need to emit line number for unconditional branch. | ||||||
| 12252 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||||
| 12253 | CGF.EmitBlock(ExitBB, /*IsFinished=*/true); | ||||||
| 12254 | }; | ||||||
| 12255 | |||||||
| 12256 | if (CGM.getLangOpts().OpenMPSimd) { | ||||||
| 12257 | // Do not emit as a critical region as no parallel region could be emitted. | ||||||
| 12258 | RegionCodeGenTy ThenRCG(CodeGen); | ||||||
| 12259 | ThenRCG(CGF); | ||||||
| 12260 | } else { | ||||||
| 12261 | emitCriticalRegion(CGF, UniqueDeclName, CodeGen, Loc); | ||||||
| 12262 | } | ||||||
| 12263 | } | ||||||
| 12264 | |||||||
| 12265 | void CGOpenMPRuntime::checkAndEmitLastprivateConditional(CodeGenFunction &CGF, | ||||||
| 12266 | const Expr *LHS) { | ||||||
| 12267 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | ||||||
| 12268 | return; | ||||||
| 12269 | LastprivateConditionalRefChecker Checker(LastprivateConditionalStack); | ||||||
| 12270 | if (!Checker.Visit(LHS)) | ||||||
| 12271 | return; | ||||||
| 12272 | const Expr *FoundE; | ||||||
| 12273 | const Decl *FoundD; | ||||||
| 12274 | StringRef UniqueDeclName; | ||||||
| 12275 | LValue IVLVal; | ||||||
| 12276 | llvm::Function *FoundFn; | ||||||
| 12277 | std::tie(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn) = | ||||||
| 12278 | Checker.getFoundData(); | ||||||
| 12279 | if (FoundFn != CGF.CurFn) { | ||||||
| 12280 | // Special codegen for inner parallel regions. | ||||||
| 12281 | // ((struct.lastprivate.conditional*)&priv_a)->Fired = 1; | ||||||
| 12282 | auto It = LastprivateConditionalToTypes[FoundFn].find(FoundD); | ||||||
| 12283 | assert(It != LastprivateConditionalToTypes[FoundFn].end() &&(static_cast <bool> (It != LastprivateConditionalToTypes [FoundFn].end() && "Lastprivate conditional is not found in outer region." ) ? void (0) : __assert_fail ("It != LastprivateConditionalToTypes[FoundFn].end() && \"Lastprivate conditional is not found in outer region.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12284, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12284 | "Lastprivate conditional is not found in outer region.")(static_cast <bool> (It != LastprivateConditionalToTypes [FoundFn].end() && "Lastprivate conditional is not found in outer region." ) ? void (0) : __assert_fail ("It != LastprivateConditionalToTypes[FoundFn].end() && \"Lastprivate conditional is not found in outer region.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12284, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12285 | QualType StructTy = std::get<0>(It->getSecond()); | ||||||
| 12286 | const FieldDecl* FiredDecl = std::get<2>(It->getSecond()); | ||||||
| 12287 | LValue PrivLVal = CGF.EmitLValue(FoundE); | ||||||
| 12288 | Address StructAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 12289 | PrivLVal.getAddress(CGF), | ||||||
| 12290 | CGF.ConvertTypeForMem(CGF.getContext().getPointerType(StructTy)), | ||||||
| 12291 | CGF.ConvertTypeForMem(StructTy)); | ||||||
| 12292 | LValue BaseLVal = | ||||||
| 12293 | CGF.MakeAddrLValue(StructAddr, StructTy, AlignmentSource::Decl); | ||||||
| 12294 | LValue FiredLVal = CGF.EmitLValueForField(BaseLVal, FiredDecl); | ||||||
| 12295 | CGF.EmitAtomicStore(RValue::get(llvm::ConstantInt::get( | ||||||
| 12296 | CGF.ConvertTypeForMem(FiredDecl->getType()), 1)), | ||||||
| 12297 | FiredLVal, llvm::AtomicOrdering::Unordered, | ||||||
| 12298 | /*IsVolatile=*/true, /*isInit=*/false); | ||||||
| 12299 | return; | ||||||
| 12300 | } | ||||||
| 12301 | |||||||
| 12302 | // Private address of the lastprivate conditional in the current context. | ||||||
| 12303 | // priv_a | ||||||
| 12304 | LValue LVal = CGF.EmitLValue(FoundE); | ||||||
| 12305 | emitLastprivateConditionalUpdate(CGF, IVLVal, UniqueDeclName, LVal, | ||||||
| 12306 | FoundE->getExprLoc()); | ||||||
| 12307 | } | ||||||
| 12308 | |||||||
| 12309 | void CGOpenMPRuntime::checkAndEmitSharedLastprivateConditional( | ||||||
| 12310 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 12311 | const llvm::DenseSet<CanonicalDeclPtr<const VarDecl>> &IgnoredDecls) { | ||||||
| 12312 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | ||||||
| 12313 | return; | ||||||
| 12314 | auto Range = llvm::reverse(LastprivateConditionalStack); | ||||||
| 12315 | auto It = llvm::find_if( | ||||||
| 12316 | Range, [](const LastprivateConditionalData &D) { return !D.Disabled; }); | ||||||
| 12317 | if (It == Range.end() || It->Fn != CGF.CurFn) | ||||||
| 12318 | return; | ||||||
| 12319 | auto LPCI = LastprivateConditionalToTypes.find(It->Fn); | ||||||
| 12320 | assert(LPCI != LastprivateConditionalToTypes.end() &&(static_cast <bool> (LPCI != LastprivateConditionalToTypes .end() && "Lastprivates must be registered already.") ? void (0) : __assert_fail ("LPCI != LastprivateConditionalToTypes.end() && \"Lastprivates must be registered already.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12321, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12321 | "Lastprivates must be registered already.")(static_cast <bool> (LPCI != LastprivateConditionalToTypes .end() && "Lastprivates must be registered already.") ? void (0) : __assert_fail ("LPCI != LastprivateConditionalToTypes.end() && \"Lastprivates must be registered already.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12321, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12322 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||
| 12323 | getOpenMPCaptureRegions(CaptureRegions, D.getDirectiveKind()); | ||||||
| 12324 | const CapturedStmt *CS = D.getCapturedStmt(CaptureRegions.back()); | ||||||
| 12325 | for (const auto &Pair : It->DeclToUniqueName) { | ||||||
| 12326 | const auto *VD = cast<VarDecl>(Pair.first->getCanonicalDecl()); | ||||||
| 12327 | if (!CS->capturesVariable(VD) || IgnoredDecls.contains(VD)) | ||||||
| 12328 | continue; | ||||||
| 12329 | auto I = LPCI->getSecond().find(Pair.first); | ||||||
| 12330 | assert(I != LPCI->getSecond().end() &&(static_cast <bool> (I != LPCI->getSecond().end() && "Lastprivate must be rehistered already.") ? void (0) : __assert_fail ("I != LPCI->getSecond().end() && \"Lastprivate must be rehistered already.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12331, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12331 | "Lastprivate must be rehistered already.")(static_cast <bool> (I != LPCI->getSecond().end() && "Lastprivate must be rehistered already.") ? void (0) : __assert_fail ("I != LPCI->getSecond().end() && \"Lastprivate must be rehistered already.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12331, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12332 | // bool Cmp = priv_a.Fired != 0; | ||||||
| 12333 | LValue BaseLVal = std::get<3>(I->getSecond()); | ||||||
| 12334 | LValue FiredLVal = | ||||||
| 12335 | CGF.EmitLValueForField(BaseLVal, std::get<2>(I->getSecond())); | ||||||
| 12336 | llvm::Value *Res = CGF.EmitLoadOfScalar(FiredLVal, D.getBeginLoc()); | ||||||
| 12337 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Res); | ||||||
| 12338 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lpc.then"); | ||||||
| 12339 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("lpc.done"); | ||||||
| 12340 | // if (Cmp) { | ||||||
| 12341 | CGF.Builder.CreateCondBr(Cmp, ThenBB, DoneBB); | ||||||
| 12342 | CGF.EmitBlock(ThenBB); | ||||||
| 12343 | Address Addr = CGF.GetAddrOfLocalVar(VD); | ||||||
| 12344 | LValue LVal; | ||||||
| 12345 | if (VD->getType()->isReferenceType()) | ||||||
| 12346 | LVal = CGF.EmitLoadOfReferenceLValue(Addr, VD->getType(), | ||||||
| 12347 | AlignmentSource::Decl); | ||||||
| 12348 | else | ||||||
| 12349 | LVal = CGF.MakeAddrLValue(Addr, VD->getType().getNonReferenceType(), | ||||||
| 12350 | AlignmentSource::Decl); | ||||||
| 12351 | emitLastprivateConditionalUpdate(CGF, It->IVLVal, Pair.second, LVal, | ||||||
| 12352 | D.getBeginLoc()); | ||||||
| 12353 | auto AL = ApplyDebugLocation::CreateArtificial(CGF); | ||||||
| 12354 | CGF.EmitBlock(DoneBB, /*IsFinal=*/true); | ||||||
| 12355 | // } | ||||||
| 12356 | } | ||||||
| 12357 | } | ||||||
| 12358 | |||||||
| 12359 | void CGOpenMPRuntime::emitLastprivateConditionalFinalUpdate( | ||||||
| 12360 | CodeGenFunction &CGF, LValue PrivLVal, const VarDecl *VD, | ||||||
| 12361 | SourceLocation Loc) { | ||||||
| 12362 | if (CGF.getLangOpts().OpenMP < 50) | ||||||
| 12363 | return; | ||||||
| 12364 | auto It = LastprivateConditionalStack.back().DeclToUniqueName.find(VD); | ||||||
| 12365 | assert(It != LastprivateConditionalStack.back().DeclToUniqueName.end() &&(static_cast <bool> (It != LastprivateConditionalStack. back().DeclToUniqueName.end() && "Unknown lastprivate conditional variable." ) ? void (0) : __assert_fail ("It != LastprivateConditionalStack.back().DeclToUniqueName.end() && \"Unknown lastprivate conditional variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12366, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 12366 | "Unknown lastprivate conditional variable.")(static_cast <bool> (It != LastprivateConditionalStack. back().DeclToUniqueName.end() && "Unknown lastprivate conditional variable." ) ? void (0) : __assert_fail ("It != LastprivateConditionalStack.back().DeclToUniqueName.end() && \"Unknown lastprivate conditional variable.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12366, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12367 | StringRef UniqueName = It->second; | ||||||
| 12368 | llvm::GlobalVariable *GV = CGM.getModule().getNamedGlobal(UniqueName); | ||||||
| 12369 | // The variable was not updated in the region - exit. | ||||||
| 12370 | if (!GV) | ||||||
| 12371 | return; | ||||||
| 12372 | LValue LPLVal = CGF.MakeAddrLValue( | ||||||
| 12373 | Address(GV, GV->getValueType(), PrivLVal.getAlignment()), | ||||||
| 12374 | PrivLVal.getType().getNonReferenceType()); | ||||||
| 12375 | llvm::Value *Res = CGF.EmitLoadOfScalar(LPLVal, Loc); | ||||||
| 12376 | CGF.EmitStoreOfScalar(Res, PrivLVal); | ||||||
| 12377 | } | ||||||
| 12378 | |||||||
| 12379 | llvm::Function *CGOpenMPSIMDRuntime::emitParallelOutlinedFunction( | ||||||
| 12380 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 12381 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||||
| 12382 | const RegionCodeGenTy &CodeGen) { | ||||||
| 12383 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12383); | ||||||
| 12384 | } | ||||||
| 12385 | |||||||
| 12386 | llvm::Function *CGOpenMPSIMDRuntime::emitTeamsOutlinedFunction( | ||||||
| 12387 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 12388 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||||
| 12389 | const RegionCodeGenTy &CodeGen) { | ||||||
| 12390 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12390); | ||||||
| 12391 | } | ||||||
| 12392 | |||||||
| 12393 | llvm::Function *CGOpenMPSIMDRuntime::emitTaskOutlinedFunction( | ||||||
| 12394 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||||
| 12395 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | ||||||
| 12396 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | ||||||
| 12397 | bool Tied, unsigned &NumberOfParts) { | ||||||
| 12398 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12398); | ||||||
| 12399 | } | ||||||
| 12400 | |||||||
| 12401 | void CGOpenMPSIMDRuntime::emitParallelCall(CodeGenFunction &CGF, | ||||||
| 12402 | SourceLocation Loc, | ||||||
| 12403 | llvm::Function *OutlinedFn, | ||||||
| 12404 | ArrayRef<llvm::Value *> CapturedVars, | ||||||
| 12405 | const Expr *IfCond, | ||||||
| 12406 | llvm::Value *NumThreads) { | ||||||
| 12407 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12407); | ||||||
| 12408 | } | ||||||
| 12409 | |||||||
| 12410 | void CGOpenMPSIMDRuntime::emitCriticalRegion( | ||||||
| 12411 | CodeGenFunction &CGF, StringRef CriticalName, | ||||||
| 12412 | const RegionCodeGenTy &CriticalOpGen, SourceLocation Loc, | ||||||
| 12413 | const Expr *Hint) { | ||||||
| 12414 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12414); | ||||||
| 12415 | } | ||||||
| 12416 | |||||||
| 12417 | void CGOpenMPSIMDRuntime::emitMasterRegion(CodeGenFunction &CGF, | ||||||
| 12418 | const RegionCodeGenTy &MasterOpGen, | ||||||
| 12419 | SourceLocation Loc) { | ||||||
| 12420 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12420); | ||||||
| 12421 | } | ||||||
| 12422 | |||||||
| 12423 | void CGOpenMPSIMDRuntime::emitMaskedRegion(CodeGenFunction &CGF, | ||||||
| 12424 | const RegionCodeGenTy &MasterOpGen, | ||||||
| 12425 | SourceLocation Loc, | ||||||
| 12426 | const Expr *Filter) { | ||||||
| 12427 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12427); | ||||||
| 12428 | } | ||||||
| 12429 | |||||||
| 12430 | void CGOpenMPSIMDRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | ||||||
| 12431 | SourceLocation Loc) { | ||||||
| 12432 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12432); | ||||||
| 12433 | } | ||||||
| 12434 | |||||||
| 12435 | void CGOpenMPSIMDRuntime::emitTaskgroupRegion( | ||||||
| 12436 | CodeGenFunction &CGF, const RegionCodeGenTy &TaskgroupOpGen, | ||||||
| 12437 | SourceLocation Loc) { | ||||||
| 12438 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12438); | ||||||
| 12439 | } | ||||||
| 12440 | |||||||
| 12441 | void CGOpenMPSIMDRuntime::emitSingleRegion( | ||||||
| 12442 | CodeGenFunction &CGF, const RegionCodeGenTy &SingleOpGen, | ||||||
| 12443 | SourceLocation Loc, ArrayRef<const Expr *> CopyprivateVars, | ||||||
| 12444 | ArrayRef<const Expr *> DestExprs, ArrayRef<const Expr *> SrcExprs, | ||||||
| 12445 | ArrayRef<const Expr *> AssignmentOps) { | ||||||
| 12446 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12446); | ||||||
| 12447 | } | ||||||
| 12448 | |||||||
| 12449 | void CGOpenMPSIMDRuntime::emitOrderedRegion(CodeGenFunction &CGF, | ||||||
| 12450 | const RegionCodeGenTy &OrderedOpGen, | ||||||
| 12451 | SourceLocation Loc, | ||||||
| 12452 | bool IsThreads) { | ||||||
| 12453 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12453); | ||||||
| 12454 | } | ||||||
| 12455 | |||||||
| 12456 | void CGOpenMPSIMDRuntime::emitBarrierCall(CodeGenFunction &CGF, | ||||||
| 12457 | SourceLocation Loc, | ||||||
| 12458 | OpenMPDirectiveKind Kind, | ||||||
| 12459 | bool EmitChecks, | ||||||
| 12460 | bool ForceSimpleCall) { | ||||||
| 12461 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12461); | ||||||
| 12462 | } | ||||||
| 12463 | |||||||
| 12464 | void CGOpenMPSIMDRuntime::emitForDispatchInit( | ||||||
| 12465 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 12466 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | ||||||
| 12467 | bool Ordered, const DispatchRTInput &DispatchValues) { | ||||||
| 12468 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12468); | ||||||
| 12469 | } | ||||||
| 12470 | |||||||
| 12471 | void CGOpenMPSIMDRuntime::emitForStaticInit( | ||||||
| 12472 | CodeGenFunction &CGF, SourceLocation Loc, OpenMPDirectiveKind DKind, | ||||||
| 12473 | const OpenMPScheduleTy &ScheduleKind, const StaticRTInput &Values) { | ||||||
| 12474 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12474); | ||||||
| 12475 | } | ||||||
| 12476 | |||||||
| 12477 | void CGOpenMPSIMDRuntime::emitDistributeStaticInit( | ||||||
| 12478 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 12479 | OpenMPDistScheduleClauseKind SchedKind, const StaticRTInput &Values) { | ||||||
| 12480 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12480); | ||||||
| 12481 | } | ||||||
| 12482 | |||||||
| 12483 | void CGOpenMPSIMDRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | ||||||
| 12484 | SourceLocation Loc, | ||||||
| 12485 | unsigned IVSize, | ||||||
| 12486 | bool IVSigned) { | ||||||
| 12487 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12487); | ||||||
| 12488 | } | ||||||
| 12489 | |||||||
| 12490 | void CGOpenMPSIMDRuntime::emitForStaticFinish(CodeGenFunction &CGF, | ||||||
| 12491 | SourceLocation Loc, | ||||||
| 12492 | OpenMPDirectiveKind DKind) { | ||||||
| 12493 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12493); | ||||||
| 12494 | } | ||||||
| 12495 | |||||||
| 12496 | llvm::Value *CGOpenMPSIMDRuntime::emitForNext(CodeGenFunction &CGF, | ||||||
| 12497 | SourceLocation Loc, | ||||||
| 12498 | unsigned IVSize, bool IVSigned, | ||||||
| 12499 | Address IL, Address LB, | ||||||
| 12500 | Address UB, Address ST) { | ||||||
| 12501 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12501); | ||||||
| 12502 | } | ||||||
| 12503 | |||||||
| 12504 | void CGOpenMPSIMDRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | ||||||
| 12505 | llvm::Value *NumThreads, | ||||||
| 12506 | SourceLocation Loc) { | ||||||
| 12507 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12507); | ||||||
| 12508 | } | ||||||
| 12509 | |||||||
| 12510 | void CGOpenMPSIMDRuntime::emitProcBindClause(CodeGenFunction &CGF, | ||||||
| 12511 | ProcBindKind ProcBind, | ||||||
| 12512 | SourceLocation Loc) { | ||||||
| 12513 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12513); | ||||||
| 12514 | } | ||||||
| 12515 | |||||||
| 12516 | Address CGOpenMPSIMDRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | ||||||
| 12517 | const VarDecl *VD, | ||||||
| 12518 | Address VDAddr, | ||||||
| 12519 | SourceLocation Loc) { | ||||||
| 12520 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12520); | ||||||
| 12521 | } | ||||||
| 12522 | |||||||
| 12523 | llvm::Function *CGOpenMPSIMDRuntime::emitThreadPrivateVarDefinition( | ||||||
| 12524 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, bool PerformInit, | ||||||
| 12525 | CodeGenFunction *CGF) { | ||||||
| 12526 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12526); | ||||||
| 12527 | } | ||||||
| 12528 | |||||||
| 12529 | Address CGOpenMPSIMDRuntime::getAddrOfArtificialThreadPrivate( | ||||||
| 12530 | CodeGenFunction &CGF, QualType VarType, StringRef Name) { | ||||||
| 12531 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12531); | ||||||
| 12532 | } | ||||||
| 12533 | |||||||
| 12534 | void CGOpenMPSIMDRuntime::emitFlush(CodeGenFunction &CGF, | ||||||
| 12535 | ArrayRef<const Expr *> Vars, | ||||||
| 12536 | SourceLocation Loc, | ||||||
| 12537 | llvm::AtomicOrdering AO) { | ||||||
| 12538 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12538); | ||||||
| 12539 | } | ||||||
| 12540 | |||||||
| 12541 | void CGOpenMPSIMDRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 12542 | const OMPExecutableDirective &D, | ||||||
| 12543 | llvm::Function *TaskFunction, | ||||||
| 12544 | QualType SharedsTy, Address Shareds, | ||||||
| 12545 | const Expr *IfCond, | ||||||
| 12546 | const OMPTaskDataTy &Data) { | ||||||
| 12547 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12547); | ||||||
| 12548 | } | ||||||
| 12549 | |||||||
| 12550 | void CGOpenMPSIMDRuntime::emitTaskLoopCall( | ||||||
| 12551 | CodeGenFunction &CGF, SourceLocation Loc, const OMPLoopDirective &D, | ||||||
| 12552 | llvm::Function *TaskFunction, QualType SharedsTy, Address Shareds, | ||||||
| 12553 | const Expr *IfCond, const OMPTaskDataTy &Data) { | ||||||
| 12554 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12554); | ||||||
| 12555 | } | ||||||
| 12556 | |||||||
| 12557 | void CGOpenMPSIMDRuntime::emitReduction( | ||||||
| 12558 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> Privates, | ||||||
| 12559 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | ||||||
| 12560 | ArrayRef<const Expr *> ReductionOps, ReductionOptionsTy Options) { | ||||||
| 12561 | assert(Options.SimpleReduction && "Only simple reduction is expected.")(static_cast <bool> (Options.SimpleReduction && "Only simple reduction is expected.") ? void (0) : __assert_fail ("Options.SimpleReduction && \"Only simple reduction is expected.\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12561, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 12562 | CGOpenMPRuntime::emitReduction(CGF, Loc, Privates, LHSExprs, RHSExprs, | ||||||
| 12563 | ReductionOps, Options); | ||||||
| 12564 | } | ||||||
| 12565 | |||||||
| 12566 | llvm::Value *CGOpenMPSIMDRuntime::emitTaskReductionInit( | ||||||
| 12567 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | ||||||
| 12568 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | ||||||
| 12569 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12569); | ||||||
| 12570 | } | ||||||
| 12571 | |||||||
| 12572 | void CGOpenMPSIMDRuntime::emitTaskReductionFini(CodeGenFunction &CGF, | ||||||
| 12573 | SourceLocation Loc, | ||||||
| 12574 | bool IsWorksharingReduction) { | ||||||
| 12575 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12575); | ||||||
| 12576 | } | ||||||
| 12577 | |||||||
| 12578 | void CGOpenMPSIMDRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | ||||||
| 12579 | SourceLocation Loc, | ||||||
| 12580 | ReductionCodeGen &RCG, | ||||||
| 12581 | unsigned N) { | ||||||
| 12582 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12582); | ||||||
| 12583 | } | ||||||
| 12584 | |||||||
| 12585 | Address CGOpenMPSIMDRuntime::getTaskReductionItem(CodeGenFunction &CGF, | ||||||
| 12586 | SourceLocation Loc, | ||||||
| 12587 | llvm::Value *ReductionsPtr, | ||||||
| 12588 | LValue SharedLVal) { | ||||||
| 12589 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12589); | ||||||
| 12590 | } | ||||||
| 12591 | |||||||
| 12592 | void CGOpenMPSIMDRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | ||||||
| 12593 | SourceLocation Loc, | ||||||
| 12594 | const OMPTaskDataTy &Data) { | ||||||
| 12595 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12595); | ||||||
| 12596 | } | ||||||
| 12597 | |||||||
| 12598 | void CGOpenMPSIMDRuntime::emitCancellationPointCall( | ||||||
| 12599 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 12600 | OpenMPDirectiveKind CancelRegion) { | ||||||
| 12601 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12601); | ||||||
| 12602 | } | ||||||
| 12603 | |||||||
| 12604 | void CGOpenMPSIMDRuntime::emitCancelCall(CodeGenFunction &CGF, | ||||||
| 12605 | SourceLocation Loc, const Expr *IfCond, | ||||||
| 12606 | OpenMPDirectiveKind CancelRegion) { | ||||||
| 12607 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12607); | ||||||
| 12608 | } | ||||||
| 12609 | |||||||
| 12610 | void CGOpenMPSIMDRuntime::emitTargetOutlinedFunction( | ||||||
| 12611 | const OMPExecutableDirective &D, StringRef ParentName, | ||||||
| 12612 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||||
| 12613 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||||
| 12614 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12614); | ||||||
| 12615 | } | ||||||
| 12616 | |||||||
| 12617 | void CGOpenMPSIMDRuntime::emitTargetCall( | ||||||
| 12618 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||||
| 12619 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | ||||||
| 12620 | llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device, | ||||||
| 12621 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||||
| 12622 | const OMPLoopDirective &D)> | ||||||
| 12623 | SizeEmitter) { | ||||||
| 12624 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12624); | ||||||
| 12625 | } | ||||||
| 12626 | |||||||
| 12627 | bool CGOpenMPSIMDRuntime::emitTargetFunctions(GlobalDecl GD) { | ||||||
| 12628 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12628); | ||||||
| 12629 | } | ||||||
| 12630 | |||||||
| 12631 | bool CGOpenMPSIMDRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | ||||||
| 12632 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12632); | ||||||
| 12633 | } | ||||||
| 12634 | |||||||
| 12635 | bool CGOpenMPSIMDRuntime::emitTargetGlobal(GlobalDecl GD) { | ||||||
| 12636 | return false; | ||||||
| 12637 | } | ||||||
| 12638 | |||||||
| 12639 | void CGOpenMPSIMDRuntime::emitTeamsCall(CodeGenFunction &CGF, | ||||||
| 12640 | const OMPExecutableDirective &D, | ||||||
| 12641 | SourceLocation Loc, | ||||||
| 12642 | llvm::Function *OutlinedFn, | ||||||
| 12643 | ArrayRef<llvm::Value *> CapturedVars) { | ||||||
| 12644 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12644); | ||||||
| 12645 | } | ||||||
| 12646 | |||||||
| 12647 | void CGOpenMPSIMDRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | ||||||
| 12648 | const Expr *NumTeams, | ||||||
| 12649 | const Expr *ThreadLimit, | ||||||
| 12650 | SourceLocation Loc) { | ||||||
| 12651 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12651); | ||||||
| 12652 | } | ||||||
| 12653 | |||||||
| 12654 | void CGOpenMPSIMDRuntime::emitTargetDataCalls( | ||||||
| 12655 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||||
| 12656 | const Expr *Device, const RegionCodeGenTy &CodeGen, | ||||||
| 12657 | CGOpenMPRuntime::TargetDataInfo &Info) { | ||||||
| 12658 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12658); | ||||||
| 12659 | } | ||||||
| 12660 | |||||||
| 12661 | void CGOpenMPSIMDRuntime::emitTargetDataStandAloneCall( | ||||||
| 12662 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||||
| 12663 | const Expr *Device) { | ||||||
| 12664 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12664); | ||||||
| 12665 | } | ||||||
| 12666 | |||||||
| 12667 | void CGOpenMPSIMDRuntime::emitDoacrossInit(CodeGenFunction &CGF, | ||||||
| 12668 | const OMPLoopDirective &D, | ||||||
| 12669 | ArrayRef<Expr *> NumIterations) { | ||||||
| 12670 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12670); | ||||||
| 12671 | } | ||||||
| 12672 | |||||||
| 12673 | void CGOpenMPSIMDRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | ||||||
| 12674 | const OMPDependClause *C) { | ||||||
| 12675 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12675); | ||||||
| 12676 | } | ||||||
| 12677 | |||||||
| 12678 | const VarDecl * | ||||||
| 12679 | CGOpenMPSIMDRuntime::translateParameter(const FieldDecl *FD, | ||||||
| 12680 | const VarDecl *NativeParam) const { | ||||||
| 12681 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12681); | ||||||
| 12682 | } | ||||||
| 12683 | |||||||
| 12684 | Address | ||||||
| 12685 | CGOpenMPSIMDRuntime::getParameterAddress(CodeGenFunction &CGF, | ||||||
| 12686 | const VarDecl *NativeParam, | ||||||
| 12687 | const VarDecl *TargetParam) const { | ||||||
| 12688 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 12688); | ||||||
| 12689 | } |
| 1 | //===- llvm/ADT/PointerUnion.h - Discriminated Union of 2 Ptrs --*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// \file |
| 10 | /// This file defines the PointerUnion class, which is a discriminated union of |
| 11 | /// pointer types. |
| 12 | /// |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_ADT_POINTERUNION_H |
| 16 | #define LLVM_ADT_POINTERUNION_H |
| 17 | |
| 18 | #include "llvm/ADT/DenseMapInfo.h" |
| 19 | #include "llvm/ADT/PointerIntPair.h" |
| 20 | #include "llvm/ADT/STLExtras.h" |
| 21 | #include "llvm/Support/Casting.h" |
| 22 | #include "llvm/Support/PointerLikeTypeTraits.h" |
| 23 | #include <algorithm> |
| 24 | #include <cassert> |
| 25 | #include <cstddef> |
| 26 | #include <cstdint> |
| 27 | |
| 28 | namespace llvm { |
| 29 | |
| 30 | namespace pointer_union_detail { |
| 31 | /// Determine the number of bits required to store integers with values < n. |
| 32 | /// This is ceil(log2(n)). |
| 33 | constexpr int bitsRequired(unsigned n) { |
| 34 | return n > 1 ? 1 + bitsRequired((n + 1) / 2) : 0; |
| 35 | } |
| 36 | |
| 37 | template <typename... Ts> constexpr int lowBitsAvailable() { |
| 38 | return std::min<int>({PointerLikeTypeTraits<Ts>::NumLowBitsAvailable...}); |
| 39 | } |
| 40 | |
| 41 | /// Find the first type in a list of types. |
| 42 | template <typename T, typename...> struct GetFirstType { |
| 43 | using type = T; |
| 44 | }; |
| 45 | |
| 46 | /// Provide PointerLikeTypeTraits for void* that is used by PointerUnion |
| 47 | /// for the template arguments. |
| 48 | template <typename ...PTs> class PointerUnionUIntTraits { |
| 49 | public: |
| 50 | static inline void *getAsVoidPointer(void *P) { return P; } |
| 51 | static inline void *getFromVoidPointer(void *P) { return P; } |
| 52 | static constexpr int NumLowBitsAvailable = lowBitsAvailable<PTs...>(); |
| 53 | }; |
| 54 | |
| 55 | template <typename Derived, typename ValTy, int I, typename ...Types> |
| 56 | class PointerUnionMembers; |
| 57 | |
| 58 | template <typename Derived, typename ValTy, int I> |
| 59 | class PointerUnionMembers<Derived, ValTy, I> { |
| 60 | protected: |
| 61 | ValTy Val; |
| 62 | PointerUnionMembers() = default; |
| 63 | PointerUnionMembers(ValTy Val) : Val(Val) {} |
| 64 | |
| 65 | friend struct PointerLikeTypeTraits<Derived>; |
| 66 | }; |
| 67 | |
| 68 | template <typename Derived, typename ValTy, int I, typename Type, |
| 69 | typename ...Types> |
| 70 | class PointerUnionMembers<Derived, ValTy, I, Type, Types...> |
| 71 | : public PointerUnionMembers<Derived, ValTy, I + 1, Types...> { |
| 72 | using Base = PointerUnionMembers<Derived, ValTy, I + 1, Types...>; |
| 73 | public: |
| 74 | using Base::Base; |
| 75 | PointerUnionMembers() = default; |
| 76 | PointerUnionMembers(Type V) |
| 77 | : Base(ValTy(const_cast<void *>( |
| 78 | PointerLikeTypeTraits<Type>::getAsVoidPointer(V)), |
| 79 | I)) {} |
| 80 | |
| 81 | using Base::operator=; |
| 82 | Derived &operator=(Type V) { |
| 83 | this->Val = ValTy( |
| 84 | const_cast<void *>(PointerLikeTypeTraits<Type>::getAsVoidPointer(V)), |
| 85 | I); |
| 86 | return static_cast<Derived &>(*this); |
| 87 | }; |
| 88 | }; |
| 89 | } |
| 90 | |
| 91 | // This is a forward declaration of CastInfoPointerUnionImpl |
| 92 | // Refer to its definition below for further details |
| 93 | template <typename... PTs> struct CastInfoPointerUnionImpl; |
| 94 | /// A discriminated union of two or more pointer types, with the discriminator |
| 95 | /// in the low bit of the pointer. |
| 96 | /// |
| 97 | /// This implementation is extremely efficient in space due to leveraging the |
| 98 | /// low bits of the pointer, while exposing a natural and type-safe API. |
| 99 | /// |
| 100 | /// Common use patterns would be something like this: |
| 101 | /// PointerUnion<int*, float*> P; |
| 102 | /// P = (int*)0; |
| 103 | /// printf("%d %d", P.is<int*>(), P.is<float*>()); // prints "1 0" |
| 104 | /// X = P.get<int*>(); // ok. |
| 105 | /// Y = P.get<float*>(); // runtime assertion failure. |
| 106 | /// Z = P.get<double*>(); // compile time failure. |
| 107 | /// P = (float*)0; |
| 108 | /// Y = P.get<float*>(); // ok. |
| 109 | /// X = P.get<int*>(); // runtime assertion failure. |
| 110 | /// PointerUnion<int*, int*> Q; // compile time failure. |
| 111 | template <typename... PTs> |
| 112 | class PointerUnion |
| 113 | : public pointer_union_detail::PointerUnionMembers< |
| 114 | PointerUnion<PTs...>, |
| 115 | PointerIntPair< |
| 116 | void *, pointer_union_detail::bitsRequired(sizeof...(PTs)), int, |
| 117 | pointer_union_detail::PointerUnionUIntTraits<PTs...>>, |
| 118 | 0, PTs...> { |
| 119 | static_assert(TypesAreDistinct<PTs...>::value, |
| 120 | "PointerUnion alternative types cannot be repeated"); |
| 121 | // The first type is special because we want to directly cast a pointer to a |
| 122 | // default-initialized union to a pointer to the first type. But we don't |
| 123 | // want PointerUnion to be a 'template <typename First, typename ...Rest>' |
| 124 | // because it's much more convenient to have a name for the whole pack. So |
| 125 | // split off the first type here. |
| 126 | using First = TypeAtIndex<0, PTs...>; |
| 127 | using Base = typename PointerUnion::PointerUnionMembers; |
| 128 | |
| 129 | /// This is needed to give the CastInfo implementation below access |
| 130 | /// to protected members. |
| 131 | /// Refer to its definition for further details. |
| 132 | friend struct CastInfoPointerUnionImpl<PTs...>; |
| 133 | |
| 134 | public: |
| 135 | PointerUnion() = default; |
| 136 | |
| 137 | PointerUnion(std::nullptr_t) : PointerUnion() {} |
| 138 | using Base::Base; |
| 139 | |
| 140 | /// Test if the pointer held in the union is null, regardless of |
| 141 | /// which type it is. |
| 142 | bool isNull() const { return !this->Val.getPointer(); } |
| 143 | |
| 144 | explicit operator bool() const { return !isNull(); } |
| 145 | |
| 146 | // FIXME: Replace the uses of is(), get() and dyn_cast() with |
| 147 | // isa<T>, cast<T> and the llvm::dyn_cast<T> |
| 148 | |
| 149 | /// Test if the Union currently holds the type matching T. |
| 150 | template <typename T> inline bool is() const { return isa<T>(*this); } |
| 151 | |
| 152 | /// Returns the value of the specified pointer type. |
| 153 | /// |
| 154 | /// If the specified pointer type is incorrect, assert. |
| 155 | template <typename T> inline T get() const { |
| 156 | assert(isa<T>(*this) && "Invalid accessor called")(static_cast <bool> (isa<T>(*this) && "Invalid accessor called" ) ? void (0) : __assert_fail ("isa<T>(*this) && \"Invalid accessor called\"" , "llvm/include/llvm/ADT/PointerUnion.h", 156, __extension__ __PRETTY_FUNCTION__ )); |
| 157 | return cast<T>(*this); |
| 158 | } |
| 159 | |
| 160 | /// Returns the current pointer if it is of the specified pointer type, |
| 161 | /// otherwise returns null. |
| 162 | template <typename T> inline T dyn_cast() const { |
| 163 | return llvm::dyn_cast_if_present<T>(*this); |
| 164 | } |
| 165 | |
| 166 | /// If the union is set to the first pointer type get an address pointing to |
| 167 | /// it. |
| 168 | First const *getAddrOfPtr1() const { |
| 169 | return const_cast<PointerUnion *>(this)->getAddrOfPtr1(); |
| 170 | } |
| 171 | |
| 172 | /// If the union is set to the first pointer type get an address pointing to |
| 173 | /// it. |
| 174 | First *getAddrOfPtr1() { |
| 175 | assert(isa<First>(*this) && "Val is not the first pointer")(static_cast <bool> (isa<First>(*this) && "Val is not the first pointer") ? void (0) : __assert_fail ( "isa<First>(*this) && \"Val is not the first pointer\"" , "llvm/include/llvm/ADT/PointerUnion.h", 175, __extension__ __PRETTY_FUNCTION__ )); |
| 176 | assert((static_cast <bool> (PointerLikeTypeTraits<First> ::getAsVoidPointer(cast<First>(*this)) == this->Val. getPointer() && "Can't get the address because PointerLikeTypeTraits changes the ptr" ) ? void (0) : __assert_fail ("PointerLikeTypeTraits<First>::getAsVoidPointer(cast<First>(*this)) == this->Val.getPointer() && \"Can't get the address because PointerLikeTypeTraits changes the ptr\"" , "llvm/include/llvm/ADT/PointerUnion.h", 179, __extension__ __PRETTY_FUNCTION__ )) |
| 177 | PointerLikeTypeTraits<First>::getAsVoidPointer(cast<First>(*this)) ==(static_cast <bool> (PointerLikeTypeTraits<First> ::getAsVoidPointer(cast<First>(*this)) == this->Val. getPointer() && "Can't get the address because PointerLikeTypeTraits changes the ptr" ) ? void (0) : __assert_fail ("PointerLikeTypeTraits<First>::getAsVoidPointer(cast<First>(*this)) == this->Val.getPointer() && \"Can't get the address because PointerLikeTypeTraits changes the ptr\"" , "llvm/include/llvm/ADT/PointerUnion.h", 179, __extension__ __PRETTY_FUNCTION__ )) |
| 178 | this->Val.getPointer() &&(static_cast <bool> (PointerLikeTypeTraits<First> ::getAsVoidPointer(cast<First>(*this)) == this->Val. getPointer() && "Can't get the address because PointerLikeTypeTraits changes the ptr" ) ? void (0) : __assert_fail ("PointerLikeTypeTraits<First>::getAsVoidPointer(cast<First>(*this)) == this->Val.getPointer() && \"Can't get the address because PointerLikeTypeTraits changes the ptr\"" , "llvm/include/llvm/ADT/PointerUnion.h", 179, __extension__ __PRETTY_FUNCTION__ )) |
| 179 | "Can't get the address because PointerLikeTypeTraits changes the ptr")(static_cast <bool> (PointerLikeTypeTraits<First> ::getAsVoidPointer(cast<First>(*this)) == this->Val. getPointer() && "Can't get the address because PointerLikeTypeTraits changes the ptr" ) ? void (0) : __assert_fail ("PointerLikeTypeTraits<First>::getAsVoidPointer(cast<First>(*this)) == this->Val.getPointer() && \"Can't get the address because PointerLikeTypeTraits changes the ptr\"" , "llvm/include/llvm/ADT/PointerUnion.h", 179, __extension__ __PRETTY_FUNCTION__ )); |
| 180 | return const_cast<First *>( |
| 181 | reinterpret_cast<const First *>(this->Val.getAddrOfPointer())); |
| 182 | } |
| 183 | |
| 184 | /// Assignment from nullptr which just clears the union. |
| 185 | const PointerUnion &operator=(std::nullptr_t) { |
| 186 | this->Val.initWithPointer(nullptr); |
| 187 | return *this; |
| 188 | } |
| 189 | |
| 190 | /// Assignment from elements of the union. |
| 191 | using Base::operator=; |
| 192 | |
| 193 | void *getOpaqueValue() const { return this->Val.getOpaqueValue(); } |
| 194 | static inline PointerUnion getFromOpaqueValue(void *VP) { |
| 195 | PointerUnion V; |
| 196 | V.Val = decltype(V.Val)::getFromOpaqueValue(VP); |
| 197 | return V; |
| 198 | } |
| 199 | }; |
| 200 | |
| 201 | template <typename ...PTs> |
| 202 | bool operator==(PointerUnion<PTs...> lhs, PointerUnion<PTs...> rhs) { |
| 203 | return lhs.getOpaqueValue() == rhs.getOpaqueValue(); |
| 204 | } |
| 205 | |
| 206 | template <typename ...PTs> |
| 207 | bool operator!=(PointerUnion<PTs...> lhs, PointerUnion<PTs...> rhs) { |
| 208 | return lhs.getOpaqueValue() != rhs.getOpaqueValue(); |
| 209 | } |
| 210 | |
| 211 | template <typename ...PTs> |
| 212 | bool operator<(PointerUnion<PTs...> lhs, PointerUnion<PTs...> rhs) { |
| 213 | return lhs.getOpaqueValue() < rhs.getOpaqueValue(); |
| 214 | } |
| 215 | |
| 216 | /// We can't (at least, at this moment with C++14) declare CastInfo |
| 217 | /// as a friend of PointerUnion like this: |
| 218 | /// ``` |
| 219 | /// template<typename To> |
| 220 | /// friend struct CastInfo<To, PointerUnion<PTs...>>; |
| 221 | /// ``` |
| 222 | /// The compiler complains 'Partial specialization cannot be declared as a |
| 223 | /// friend'. |
| 224 | /// So we define this struct to be a bridge between CastInfo and |
| 225 | /// PointerUnion. |
| 226 | template <typename... PTs> struct CastInfoPointerUnionImpl { |
| 227 | using From = PointerUnion<PTs...>; |
| 228 | |
| 229 | template <typename To> static inline bool isPossible(From &F) { |
| 230 | return F.Val.getInt() == FirstIndexOfType<To, PTs...>::value; |
| 231 | } |
| 232 | |
| 233 | template <typename To> static To doCast(From &F) { |
| 234 | assert(isPossible<To>(F) && "cast to an incompatible type !")(static_cast <bool> (isPossible<To>(F) && "cast to an incompatible type !") ? void (0) : __assert_fail ("isPossible<To>(F) && \"cast to an incompatible type !\"" , "llvm/include/llvm/ADT/PointerUnion.h", 234, __extension__ __PRETTY_FUNCTION__ )); |
| 235 | return PointerLikeTypeTraits<To>::getFromVoidPointer(F.Val.getPointer()); |
| 236 | } |
| 237 | }; |
| 238 | |
| 239 | // Specialization of CastInfo for PointerUnion |
| 240 | template <typename To, typename... PTs> |
| 241 | struct CastInfo<To, PointerUnion<PTs...>> |
| 242 | : public DefaultDoCastIfPossible<To, PointerUnion<PTs...>, |
| 243 | CastInfo<To, PointerUnion<PTs...>>> { |
| 244 | using From = PointerUnion<PTs...>; |
| 245 | using Impl = CastInfoPointerUnionImpl<PTs...>; |
| 246 | |
| 247 | static inline bool isPossible(From &f) { |
| 248 | return Impl::template isPossible<To>(f); |
| 249 | } |
| 250 | |
| 251 | static To doCast(From &f) { return Impl::template doCast<To>(f); } |
| 252 | |
| 253 | static inline To castFailed() { return To(); } |
| 254 | }; |
| 255 | |
| 256 | template <typename To, typename... PTs> |
| 257 | struct CastInfo<To, const PointerUnion<PTs...>> |
| 258 | : public ConstStrippingForwardingCast<To, const PointerUnion<PTs...>, |
| 259 | CastInfo<To, PointerUnion<PTs...>>> { |
| 260 | }; |
| 261 | |
| 262 | // Teach SmallPtrSet that PointerUnion is "basically a pointer", that has |
| 263 | // # low bits available = min(PT1bits,PT2bits)-1. |
| 264 | template <typename ...PTs> |
| 265 | struct PointerLikeTypeTraits<PointerUnion<PTs...>> { |
| 266 | static inline void *getAsVoidPointer(const PointerUnion<PTs...> &P) { |
| 267 | return P.getOpaqueValue(); |
| 268 | } |
| 269 | |
| 270 | static inline PointerUnion<PTs...> getFromVoidPointer(void *P) { |
| 271 | return PointerUnion<PTs...>::getFromOpaqueValue(P); |
| 272 | } |
| 273 | |
| 274 | // The number of bits available are the min of the pointer types minus the |
| 275 | // bits needed for the discriminator. |
| 276 | static constexpr int NumLowBitsAvailable = PointerLikeTypeTraits<decltype( |
| 277 | PointerUnion<PTs...>::Val)>::NumLowBitsAvailable; |
| 278 | }; |
| 279 | |
| 280 | // Teach DenseMap how to use PointerUnions as keys. |
| 281 | template <typename ...PTs> struct DenseMapInfo<PointerUnion<PTs...>> { |
| 282 | using Union = PointerUnion<PTs...>; |
| 283 | using FirstInfo = |
| 284 | DenseMapInfo<typename pointer_union_detail::GetFirstType<PTs...>::type>; |
| 285 | |
| 286 | static inline Union getEmptyKey() { return Union(FirstInfo::getEmptyKey()); } |
| 287 | |
| 288 | static inline Union getTombstoneKey() { |
| 289 | return Union(FirstInfo::getTombstoneKey()); |
| 290 | } |
| 291 | |
| 292 | static unsigned getHashValue(const Union &UnionVal) { |
| 293 | intptr_t key = (intptr_t)UnionVal.getOpaqueValue(); |
| 294 | return DenseMapInfo<intptr_t>::getHashValue(key); |
| 295 | } |
| 296 | |
| 297 | static bool isEqual(const Union &LHS, const Union &RHS) { |
| 298 | return LHS == RHS; |
| 299 | } |
| 300 | }; |
| 301 | |
| 302 | } // end namespace llvm |
| 303 | |
| 304 | #endif // LLVM_ADT_POINTERUNION_H |
| 1 | //===- llvm/Support/Casting.h - Allow flexible, checked, casts --*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file defines the isa<X>(), cast<X>(), dyn_cast<X>(), |
| 10 | // cast_if_present<X>(), and dyn_cast_if_present<X>() templates. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_SUPPORT_CASTING_H |
| 15 | #define LLVM_SUPPORT_CASTING_H |
| 16 | |
| 17 | #include "llvm/Support/Compiler.h" |
| 18 | #include "llvm/Support/type_traits.h" |
| 19 | #include <cassert> |
| 20 | #include <memory> |
| 21 | #include <optional> |
| 22 | #include <type_traits> |
| 23 | |
| 24 | namespace llvm { |
| 25 | |
| 26 | //===----------------------------------------------------------------------===// |
| 27 | // simplify_type |
| 28 | //===----------------------------------------------------------------------===// |
| 29 | |
| 30 | /// Define a template that can be specialized by smart pointers to reflect the |
| 31 | /// fact that they are automatically dereferenced, and are not involved with the |
| 32 | /// template selection process... the default implementation is a noop. |
| 33 | // TODO: rename this and/or replace it with other cast traits. |
| 34 | template <typename From> struct simplify_type { |
| 35 | using SimpleType = From; // The real type this represents... |
| 36 | |
| 37 | // An accessor to get the real value... |
| 38 | static SimpleType &getSimplifiedValue(From &Val) { return Val; } |
| 39 | }; |
| 40 | |
| 41 | template <typename From> struct simplify_type<const From> { |
| 42 | using NonConstSimpleType = typename simplify_type<From>::SimpleType; |
| 43 | using SimpleType = typename add_const_past_pointer<NonConstSimpleType>::type; |
| 44 | using RetType = |
| 45 | typename add_lvalue_reference_if_not_pointer<SimpleType>::type; |
| 46 | |
| 47 | static RetType getSimplifiedValue(const From &Val) { |
| 48 | return simplify_type<From>::getSimplifiedValue(const_cast<From &>(Val)); |
| 49 | } |
| 50 | }; |
| 51 | |
| 52 | // TODO: add this namespace once everyone is switched to using the new |
| 53 | // interface. |
| 54 | // namespace detail { |
| 55 | |
| 56 | //===----------------------------------------------------------------------===// |
| 57 | // isa_impl |
| 58 | //===----------------------------------------------------------------------===// |
| 59 | |
| 60 | // The core of the implementation of isa<X> is here; To and From should be |
| 61 | // the names of classes. This template can be specialized to customize the |
| 62 | // implementation of isa<> without rewriting it from scratch. |
| 63 | template <typename To, typename From, typename Enabler = void> struct isa_impl { |
| 64 | static inline bool doit(const From &Val) { return To::classof(&Val); } |
| 65 | }; |
| 66 | |
| 67 | // Always allow upcasts, and perform no dynamic check for them. |
| 68 | template <typename To, typename From> |
| 69 | struct isa_impl<To, From, std::enable_if_t<std::is_base_of_v<To, From>>> { |
| 70 | static inline bool doit(const From &) { return true; } |
| 71 | }; |
| 72 | |
| 73 | template <typename To, typename From> struct isa_impl_cl { |
| 74 | static inline bool doit(const From &Val) { |
| 75 | return isa_impl<To, From>::doit(Val); |
| 76 | } |
| 77 | }; |
| 78 | |
| 79 | template <typename To, typename From> struct isa_impl_cl<To, const From> { |
| 80 | static inline bool doit(const From &Val) { |
| 81 | return isa_impl<To, From>::doit(Val); |
| 82 | } |
| 83 | }; |
| 84 | |
| 85 | template <typename To, typename From> |
| 86 | struct isa_impl_cl<To, const std::unique_ptr<From>> { |
| 87 | static inline bool doit(const std::unique_ptr<From> &Val) { |
| 88 | assert(Val && "isa<> used on a null pointer")(static_cast <bool> (Val && "isa<> used on a null pointer" ) ? void (0) : __assert_fail ("Val && \"isa<> used on a null pointer\"" , "llvm/include/llvm/Support/Casting.h", 88, __extension__ __PRETTY_FUNCTION__ )); |
| 89 | return isa_impl_cl<To, From>::doit(*Val); |
| 90 | } |
| 91 | }; |
| 92 | |
| 93 | template <typename To, typename From> struct isa_impl_cl<To, From *> { |
| 94 | static inline bool doit(const From *Val) { |
| 95 | assert(Val && "isa<> used on a null pointer")(static_cast <bool> (Val && "isa<> used on a null pointer" ) ? void (0) : __assert_fail ("Val && \"isa<> used on a null pointer\"" , "llvm/include/llvm/Support/Casting.h", 95, __extension__ __PRETTY_FUNCTION__ )); |
| 96 | return isa_impl<To, From>::doit(*Val); |
| 97 | } |
| 98 | }; |
| 99 | |
| 100 | template <typename To, typename From> struct isa_impl_cl<To, From *const> { |
| 101 | static inline bool doit(const From *Val) { |
| 102 | assert(Val && "isa<> used on a null pointer")(static_cast <bool> (Val && "isa<> used on a null pointer" ) ? void (0) : __assert_fail ("Val && \"isa<> used on a null pointer\"" , "llvm/include/llvm/Support/Casting.h", 102, __extension__ __PRETTY_FUNCTION__ )); |
| 103 | return isa_impl<To, From>::doit(*Val); |
| 104 | } |
| 105 | }; |
| 106 | |
| 107 | template <typename To, typename From> struct isa_impl_cl<To, const From *> { |
| 108 | static inline bool doit(const From *Val) { |
| 109 | assert(Val && "isa<> used on a null pointer")(static_cast <bool> (Val && "isa<> used on a null pointer" ) ? void (0) : __assert_fail ("Val && \"isa<> used on a null pointer\"" , "llvm/include/llvm/Support/Casting.h", 109, __extension__ __PRETTY_FUNCTION__ )); |
| 110 | return isa_impl<To, From>::doit(*Val); |
| 111 | } |
| 112 | }; |
| 113 | |
| 114 | template <typename To, typename From> |
| 115 | struct isa_impl_cl<To, const From *const> { |
| 116 | static inline bool doit(const From *Val) { |
| 117 | assert(Val && "isa<> used on a null pointer")(static_cast <bool> (Val && "isa<> used on a null pointer" ) ? void (0) : __assert_fail ("Val && \"isa<> used on a null pointer\"" , "llvm/include/llvm/Support/Casting.h", 117, __extension__ __PRETTY_FUNCTION__ )); |
| 118 | return isa_impl<To, From>::doit(*Val); |
| 119 | } |
| 120 | }; |
| 121 | |
| 122 | template <typename To, typename From, typename SimpleFrom> |
| 123 | struct isa_impl_wrap { |
| 124 | // When From != SimplifiedType, we can simplify the type some more by using |
| 125 | // the simplify_type template. |
| 126 | static bool doit(const From &Val) { |
| 127 | return isa_impl_wrap<To, SimpleFrom, |
| 128 | typename simplify_type<SimpleFrom>::SimpleType>:: |
| 129 | doit(simplify_type<const From>::getSimplifiedValue(Val)); |
| 130 | } |
| 131 | }; |
| 132 | |
| 133 | template <typename To, typename FromTy> |
| 134 | struct isa_impl_wrap<To, FromTy, FromTy> { |
| 135 | // When From == SimpleType, we are as simple as we are going to get. |
| 136 | static bool doit(const FromTy &Val) { |
| 137 | return isa_impl_cl<To, FromTy>::doit(Val); |
| 138 | } |
| 139 | }; |
| 140 | |
| 141 | //===----------------------------------------------------------------------===// |
| 142 | // cast_retty + cast_retty_impl |
| 143 | //===----------------------------------------------------------------------===// |
| 144 | |
| 145 | template <class To, class From> struct cast_retty; |
| 146 | |
| 147 | // Calculate what type the 'cast' function should return, based on a requested |
| 148 | // type of To and a source type of From. |
| 149 | template <class To, class From> struct cast_retty_impl { |
| 150 | using ret_type = To &; // Normal case, return Ty& |
| 151 | }; |
| 152 | template <class To, class From> struct cast_retty_impl<To, const From> { |
| 153 | using ret_type = const To &; // Normal case, return Ty& |
| 154 | }; |
| 155 | |
| 156 | template <class To, class From> struct cast_retty_impl<To, From *> { |
| 157 | using ret_type = To *; // Pointer arg case, return Ty* |
| 158 | }; |
| 159 | |
| 160 | template <class To, class From> struct cast_retty_impl<To, const From *> { |
| 161 | using ret_type = const To *; // Constant pointer arg case, return const Ty* |
| 162 | }; |
| 163 | |
| 164 | template <class To, class From> struct cast_retty_impl<To, const From *const> { |
| 165 | using ret_type = const To *; // Constant pointer arg case, return const Ty* |
| 166 | }; |
| 167 | |
| 168 | template <class To, class From> |
| 169 | struct cast_retty_impl<To, std::unique_ptr<From>> { |
| 170 | private: |
| 171 | using PointerType = typename cast_retty_impl<To, From *>::ret_type; |
| 172 | using ResultType = std::remove_pointer_t<PointerType>; |
| 173 | |
| 174 | public: |
| 175 | using ret_type = std::unique_ptr<ResultType>; |
| 176 | }; |
| 177 | |
| 178 | template <class To, class From, class SimpleFrom> struct cast_retty_wrap { |
| 179 | // When the simplified type and the from type are not the same, use the type |
| 180 | // simplifier to reduce the type, then reuse cast_retty_impl to get the |
| 181 | // resultant type. |
| 182 | using ret_type = typename cast_retty<To, SimpleFrom>::ret_type; |
| 183 | }; |
| 184 | |
| 185 | template <class To, class FromTy> struct cast_retty_wrap<To, FromTy, FromTy> { |
| 186 | // When the simplified type is equal to the from type, use it directly. |
| 187 | using ret_type = typename cast_retty_impl<To, FromTy>::ret_type; |
| 188 | }; |
| 189 | |
| 190 | template <class To, class From> struct cast_retty { |
| 191 | using ret_type = typename cast_retty_wrap< |
| 192 | To, From, typename simplify_type<From>::SimpleType>::ret_type; |
| 193 | }; |
| 194 | |
| 195 | //===----------------------------------------------------------------------===// |
| 196 | // cast_convert_val |
| 197 | //===----------------------------------------------------------------------===// |
| 198 | |
| 199 | // Ensure the non-simple values are converted using the simplify_type template |
| 200 | // that may be specialized by smart pointers... |
| 201 | // |
| 202 | template <class To, class From, class SimpleFrom> struct cast_convert_val { |
| 203 | // This is not a simple type, use the template to simplify it... |
| 204 | static typename cast_retty<To, From>::ret_type doit(const From &Val) { |
| 205 | return cast_convert_val<To, SimpleFrom, |
| 206 | typename simplify_type<SimpleFrom>::SimpleType>:: |
| 207 | doit(simplify_type<From>::getSimplifiedValue(const_cast<From &>(Val))); |
| 208 | } |
| 209 | }; |
| 210 | |
| 211 | template <class To, class FromTy> struct cast_convert_val<To, FromTy, FromTy> { |
| 212 | // If it's a reference, switch to a pointer to do the cast and then deref it. |
| 213 | static typename cast_retty<To, FromTy>::ret_type doit(const FromTy &Val) { |
| 214 | return *(std::remove_reference_t<typename cast_retty<To, FromTy>::ret_type> |
| 215 | *)&const_cast<FromTy &>(Val); |
| 216 | } |
| 217 | }; |
| 218 | |
| 219 | template <class To, class FromTy> |
| 220 | struct cast_convert_val<To, FromTy *, FromTy *> { |
| 221 | // If it's a pointer, we can use c-style casting directly. |
| 222 | static typename cast_retty<To, FromTy *>::ret_type doit(const FromTy *Val) { |
| 223 | return (typename cast_retty<To, FromTy *>::ret_type) const_cast<FromTy *>( |
| 224 | Val); |
| 225 | } |
| 226 | }; |
| 227 | |
| 228 | //===----------------------------------------------------------------------===// |
| 229 | // is_simple_type |
| 230 | //===----------------------------------------------------------------------===// |
| 231 | |
| 232 | template <class X> struct is_simple_type { |
| 233 | static const bool value = |
| 234 | std::is_same_v<X, typename simplify_type<X>::SimpleType>; |
| 235 | }; |
| 236 | |
| 237 | // } // namespace detail |
| 238 | |
| 239 | //===----------------------------------------------------------------------===// |
| 240 | // CastIsPossible |
| 241 | //===----------------------------------------------------------------------===// |
| 242 | |
| 243 | /// This struct provides a way to check if a given cast is possible. It provides |
| 244 | /// a static function called isPossible that is used to check if a cast can be |
| 245 | /// performed. It should be overridden like this: |
| 246 | /// |
| 247 | /// template<> struct CastIsPossible<foo, bar> { |
| 248 | /// static inline bool isPossible(const bar &b) { |
| 249 | /// return bar.isFoo(); |
| 250 | /// } |
| 251 | /// }; |
| 252 | template <typename To, typename From, typename Enable = void> |
| 253 | struct CastIsPossible { |
| 254 | static inline bool isPossible(const From &f) { |
| 255 | return isa_impl_wrap< |
| 256 | To, const From, |
| 257 | typename simplify_type<const From>::SimpleType>::doit(f); |
| 258 | } |
| 259 | }; |
| 260 | |
| 261 | // Needed for optional unwrapping. This could be implemented with isa_impl, but |
| 262 | // we want to implement things in the new method and move old implementations |
| 263 | // over. In fact, some of the isa_impl templates should be moved over to |
| 264 | // CastIsPossible. |
| 265 | template <typename To, typename From> |
| 266 | struct CastIsPossible<To, std::optional<From>> { |
| 267 | static inline bool isPossible(const std::optional<From> &f) { |
| 268 | assert(f && "CastIsPossible::isPossible called on a nullopt!")(static_cast <bool> (f && "CastIsPossible::isPossible called on a nullopt!" ) ? void (0) : __assert_fail ("f && \"CastIsPossible::isPossible called on a nullopt!\"" , "llvm/include/llvm/Support/Casting.h", 268, __extension__ __PRETTY_FUNCTION__ )); |
| 269 | return isa_impl_wrap< |
| 270 | To, const From, |
| 271 | typename simplify_type<const From>::SimpleType>::doit(*f); |
| 272 | } |
| 273 | }; |
| 274 | |
| 275 | /// Upcasting (from derived to base) and casting from a type to itself should |
| 276 | /// always be possible. |
| 277 | template <typename To, typename From> |
| 278 | struct CastIsPossible<To, From, std::enable_if_t<std::is_base_of_v<To, From>>> { |
| 279 | static inline bool isPossible(const From &f) { return true; } |
| 280 | }; |
| 281 | |
| 282 | //===----------------------------------------------------------------------===// |
| 283 | // Cast traits |
| 284 | //===----------------------------------------------------------------------===// |
| 285 | |
| 286 | /// All of these cast traits are meant to be implementations for useful casts |
| 287 | /// that users may want to use that are outside the standard behavior. An |
| 288 | /// example of how to use a special cast called `CastTrait` is: |
| 289 | /// |
| 290 | /// template<> struct CastInfo<foo, bar> : public CastTrait<foo, bar> {}; |
| 291 | /// |
| 292 | /// Essentially, if your use case falls directly into one of the use cases |
| 293 | /// supported by a given cast trait, simply inherit your special CastInfo |
| 294 | /// directly from one of these to avoid having to reimplement the boilerplate |
| 295 | /// `isPossible/castFailed/doCast/doCastIfPossible`. A cast trait can also |
| 296 | /// provide a subset of those functions. |
| 297 | |
| 298 | /// This cast trait just provides castFailed for the specified `To` type to make |
| 299 | /// CastInfo specializations more declarative. In order to use this, the target |
| 300 | /// result type must be `To` and `To` must be constructible from `nullptr`. |
| 301 | template <typename To> struct NullableValueCastFailed { |
| 302 | static To castFailed() { return To(nullptr); } |
| 303 | }; |
| 304 | |
| 305 | /// This cast trait just provides the default implementation of doCastIfPossible |
| 306 | /// to make CastInfo specializations more declarative. The `Derived` template |
| 307 | /// parameter *must* be provided for forwarding castFailed and doCast. |
| 308 | template <typename To, typename From, typename Derived> |
| 309 | struct DefaultDoCastIfPossible { |
| 310 | static To doCastIfPossible(From f) { |
| 311 | if (!Derived::isPossible(f)) |
| 312 | return Derived::castFailed(); |
| 313 | return Derived::doCast(f); |
| 314 | } |
| 315 | }; |
| 316 | |
| 317 | namespace detail { |
| 318 | /// A helper to derive the type to use with `Self` for cast traits, when the |
| 319 | /// provided CRTP derived type is allowed to be void. |
| 320 | template <typename OptionalDerived, typename Default> |
| 321 | using SelfType = std::conditional_t<std::is_same_v<OptionalDerived, void>, |
| 322 | Default, OptionalDerived>; |
| 323 | } // namespace detail |
| 324 | |
| 325 | /// This cast trait provides casting for the specific case of casting to a |
| 326 | /// value-typed object from a pointer-typed object. Note that `To` must be |
| 327 | /// nullable/constructible from a pointer to `From` to use this cast. |
| 328 | template <typename To, typename From, typename Derived = void> |
| 329 | struct ValueFromPointerCast |
| 330 | : public CastIsPossible<To, From *>, |
| 331 | public NullableValueCastFailed<To>, |
| 332 | public DefaultDoCastIfPossible< |
| 333 | To, From *, |
| 334 | detail::SelfType<Derived, ValueFromPointerCast<To, From>>> { |
| 335 | static inline To doCast(From *f) { return To(f); } |
| 336 | }; |
| 337 | |
| 338 | /// This cast trait provides std::unique_ptr casting. It has the semantics of |
| 339 | /// moving the contents of the input unique_ptr into the output unique_ptr |
| 340 | /// during the cast. It's also a good example of how to implement a move-only |
| 341 | /// cast. |
| 342 | template <typename To, typename From, typename Derived = void> |
| 343 | struct UniquePtrCast : public CastIsPossible<To, From *> { |
| 344 | using Self = detail::SelfType<Derived, UniquePtrCast<To, From>>; |
| 345 | using CastResultType = std::unique_ptr< |
| 346 | std::remove_reference_t<typename cast_retty<To, From>::ret_type>>; |
| 347 | |
| 348 | static inline CastResultType doCast(std::unique_ptr<From> &&f) { |
| 349 | return CastResultType((typename CastResultType::element_type *)f.release()); |
| 350 | } |
| 351 | |
| 352 | static inline CastResultType castFailed() { return CastResultType(nullptr); } |
| 353 | |
| 354 | static inline CastResultType doCastIfPossible(std::unique_ptr<From> &&f) { |
| 355 | if (!Self::isPossible(f)) |
| 356 | return castFailed(); |
| 357 | return doCast(f); |
| 358 | } |
| 359 | }; |
| 360 | |
| 361 | /// This cast trait provides std::optional<T> casting. This means that if you |
| 362 | /// have a value type, you can cast it to another value type and have dyn_cast |
| 363 | /// return an std::optional<T>. |
| 364 | template <typename To, typename From, typename Derived = void> |
| 365 | struct OptionalValueCast |
| 366 | : public CastIsPossible<To, From>, |
| 367 | public DefaultDoCastIfPossible< |
| 368 | std::optional<To>, From, |
| 369 | detail::SelfType<Derived, OptionalValueCast<To, From>>> { |
| 370 | static inline std::optional<To> castFailed() { return std::optional<To>{}; } |
| 371 | |
| 372 | static inline std::optional<To> doCast(const From &f) { return To(f); } |
| 373 | }; |
| 374 | |
| 375 | /// Provides a cast trait that strips `const` from types to make it easier to |
| 376 | /// implement a const-version of a non-const cast. It just removes boilerplate |
| 377 | /// and reduces the amount of code you as the user need to implement. You can |
| 378 | /// use it like this: |
| 379 | /// |
| 380 | /// template<> struct CastInfo<foo, bar> { |
| 381 | /// ...verbose implementation... |
| 382 | /// }; |
| 383 | /// |
| 384 | /// template<> struct CastInfo<foo, const bar> : public |
| 385 | /// ConstStrippingForwardingCast<foo, const bar, CastInfo<foo, bar>> {}; |
| 386 | /// |
| 387 | template <typename To, typename From, typename ForwardTo> |
| 388 | struct ConstStrippingForwardingCast { |
| 389 | // Remove the pointer if it exists, then we can get rid of consts/volatiles. |
| 390 | using DecayedFrom = std::remove_cv_t<std::remove_pointer_t<From>>; |
| 391 | // Now if it's a pointer, add it back. Otherwise, we want a ref. |
| 392 | using NonConstFrom = |
| 393 | std::conditional_t<std::is_pointer_v<From>, DecayedFrom *, DecayedFrom &>; |
| 394 | |
| 395 | static inline bool isPossible(const From &f) { |
| 396 | return ForwardTo::isPossible(const_cast<NonConstFrom>(f)); |
| 397 | } |
| 398 | |
| 399 | static inline decltype(auto) castFailed() { return ForwardTo::castFailed(); } |
| 400 | |
| 401 | static inline decltype(auto) doCast(const From &f) { |
| 402 | return ForwardTo::doCast(const_cast<NonConstFrom>(f)); |
| 403 | } |
| 404 | |
| 405 | static inline decltype(auto) doCastIfPossible(const From &f) { |
| 406 | return ForwardTo::doCastIfPossible(const_cast<NonConstFrom>(f)); |
| 407 | } |
| 408 | }; |
| 409 | |
| 410 | /// Provides a cast trait that uses a defined pointer to pointer cast as a base |
| 411 | /// for reference-to-reference casts. Note that it does not provide castFailed |
| 412 | /// and doCastIfPossible because a pointer-to-pointer cast would likely just |
| 413 | /// return `nullptr` which could cause nullptr dereference. You can use it like |
| 414 | /// this: |
| 415 | /// |
| 416 | /// template <> struct CastInfo<foo, bar *> { ... verbose implementation... }; |
| 417 | /// |
| 418 | /// template <> |
| 419 | /// struct CastInfo<foo, bar> |
| 420 | /// : public ForwardToPointerCast<foo, bar, CastInfo<foo, bar *>> {}; |
| 421 | /// |
| 422 | template <typename To, typename From, typename ForwardTo> |
| 423 | struct ForwardToPointerCast { |
| 424 | static inline bool isPossible(const From &f) { |
| 425 | return ForwardTo::isPossible(&f); |
| 426 | } |
| 427 | |
| 428 | static inline decltype(auto) doCast(const From &f) { |
| 429 | return *ForwardTo::doCast(&f); |
| 430 | } |
| 431 | }; |
| 432 | |
| 433 | //===----------------------------------------------------------------------===// |
| 434 | // CastInfo |
| 435 | //===----------------------------------------------------------------------===// |
| 436 | |
| 437 | /// This struct provides a method for customizing the way a cast is performed. |
| 438 | /// It inherits from CastIsPossible, to support the case of declaring many |
| 439 | /// CastIsPossible specializations without having to specialize the full |
| 440 | /// CastInfo. |
| 441 | /// |
| 442 | /// In order to specialize different behaviors, specify different functions in |
| 443 | /// your CastInfo specialization. |
| 444 | /// For isa<> customization, provide: |
| 445 | /// |
| 446 | /// `static bool isPossible(const From &f)` |
| 447 | /// |
| 448 | /// For cast<> customization, provide: |
| 449 | /// |
| 450 | /// `static To doCast(const From &f)` |
| 451 | /// |
| 452 | /// For dyn_cast<> and the *_if_present<> variants' customization, provide: |
| 453 | /// |
| 454 | /// `static To castFailed()` and `static To doCastIfPossible(const From &f)` |
| 455 | /// |
| 456 | /// Your specialization might look something like this: |
| 457 | /// |
| 458 | /// template<> struct CastInfo<foo, bar> : public CastIsPossible<foo, bar> { |
| 459 | /// static inline foo doCast(const bar &b) { |
| 460 | /// return foo(const_cast<bar &>(b)); |
| 461 | /// } |
| 462 | /// static inline foo castFailed() { return foo(); } |
| 463 | /// static inline foo doCastIfPossible(const bar &b) { |
| 464 | /// if (!CastInfo<foo, bar>::isPossible(b)) |
| 465 | /// return castFailed(); |
| 466 | /// return doCast(b); |
| 467 | /// } |
| 468 | /// }; |
| 469 | |
| 470 | // The default implementations of CastInfo don't use cast traits for now because |
| 471 | // we need to specify types all over the place due to the current expected |
| 472 | // casting behavior and the way cast_retty works. New use cases can and should |
| 473 | // take advantage of the cast traits whenever possible! |
| 474 | |
| 475 | template <typename To, typename From, typename Enable = void> |
| 476 | struct CastInfo : public CastIsPossible<To, From> { |
| 477 | using Self = CastInfo<To, From, Enable>; |
| 478 | |
| 479 | using CastReturnType = typename cast_retty<To, From>::ret_type; |
| 480 | |
| 481 | static inline CastReturnType doCast(const From &f) { |
| 482 | return cast_convert_val< |
| 483 | To, From, |
| 484 | typename simplify_type<From>::SimpleType>::doit(const_cast<From &>(f)); |
| 485 | } |
| 486 | |
| 487 | // This assumes that you can construct the cast return type from `nullptr`. |
| 488 | // This is largely to support legacy use cases - if you don't want this |
| 489 | // behavior you should specialize CastInfo for your use case. |
| 490 | static inline CastReturnType castFailed() { return CastReturnType(nullptr); } |
| 491 | |
| 492 | static inline CastReturnType doCastIfPossible(const From &f) { |
| 493 | if (!Self::isPossible(f)) |
| 494 | return castFailed(); |
| 495 | return doCast(f); |
| 496 | } |
| 497 | }; |
| 498 | |
| 499 | /// This struct provides an overload for CastInfo where From has simplify_type |
| 500 | /// defined. This simply forwards to the appropriate CastInfo with the |
| 501 | /// simplified type/value, so you don't have to implement both. |
| 502 | template <typename To, typename From> |
| 503 | struct CastInfo<To, From, std::enable_if_t<!is_simple_type<From>::value>> { |
| 504 | using Self = CastInfo<To, From>; |
| 505 | using SimpleFrom = typename simplify_type<From>::SimpleType; |
| 506 | using SimplifiedSelf = CastInfo<To, SimpleFrom>; |
| 507 | |
| 508 | static inline bool isPossible(From &f) { |
| 509 | return SimplifiedSelf::isPossible( |
| 510 | simplify_type<From>::getSimplifiedValue(f)); |
| 511 | } |
| 512 | |
| 513 | static inline decltype(auto) doCast(From &f) { |
| 514 | return SimplifiedSelf::doCast(simplify_type<From>::getSimplifiedValue(f)); |
| 515 | } |
| 516 | |
| 517 | static inline decltype(auto) castFailed() { |
| 518 | return SimplifiedSelf::castFailed(); |
| 519 | } |
| 520 | |
| 521 | static inline decltype(auto) doCastIfPossible(From &f) { |
| 522 | return SimplifiedSelf::doCastIfPossible( |
| 523 | simplify_type<From>::getSimplifiedValue(f)); |
| 524 | } |
| 525 | }; |
| 526 | |
| 527 | //===----------------------------------------------------------------------===// |
| 528 | // Pre-specialized CastInfo |
| 529 | //===----------------------------------------------------------------------===// |
| 530 | |
| 531 | /// Provide a CastInfo specialized for std::unique_ptr. |
| 532 | template <typename To, typename From> |
| 533 | struct CastInfo<To, std::unique_ptr<From>> : public UniquePtrCast<To, From> {}; |
| 534 | |
| 535 | /// Provide a CastInfo specialized for std::optional<From>. It's assumed that if |
| 536 | /// the input is std::optional<From> that the output can be std::optional<To>. |
| 537 | /// If that's not the case, specialize CastInfo for your use case. |
| 538 | template <typename To, typename From> |
| 539 | struct CastInfo<To, std::optional<From>> : public OptionalValueCast<To, From> { |
| 540 | }; |
| 541 | |
| 542 | /// isa<X> - Return true if the parameter to the template is an instance of one |
| 543 | /// of the template type arguments. Used like this: |
| 544 | /// |
| 545 | /// if (isa<Type>(myVal)) { ... } |
| 546 | /// if (isa<Type0, Type1, Type2>(myVal)) { ... } |
| 547 | template <typename To, typename From> |
| 548 | [[nodiscard]] inline bool isa(const From &Val) { |
| 549 | return CastInfo<To, const From>::isPossible(Val); |
| 550 | } |
| 551 | |
| 552 | template <typename First, typename Second, typename... Rest, typename From> |
| 553 | [[nodiscard]] inline bool isa(const From &Val) { |
| 554 | return isa<First>(Val) || isa<Second, Rest...>(Val); |
| 555 | } |
| 556 | |
| 557 | /// cast<X> - Return the argument parameter cast to the specified type. This |
| 558 | /// casting operator asserts that the type is correct, so it does not return |
| 559 | /// null on failure. It does not allow a null argument (use cast_if_present for |
| 560 | /// that). It is typically used like this: |
| 561 | /// |
| 562 | /// cast<Instruction>(myVal)->getParent() |
| 563 | |
| 564 | template <typename To, typename From> |
| 565 | [[nodiscard]] inline decltype(auto) cast(const From &Val) { |
| 566 | assert(isa<To>(Val) && "cast<Ty>() argument of incompatible type!")(static_cast <bool> (isa<To>(Val) && "cast<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<To>(Val) && \"cast<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 566, __extension__ __PRETTY_FUNCTION__ )); |
| 567 | return CastInfo<To, const From>::doCast(Val); |
| 568 | } |
| 569 | |
| 570 | template <typename To, typename From> |
| 571 | [[nodiscard]] inline decltype(auto) cast(From &Val) { |
| 572 | assert(isa<To>(Val) && "cast<Ty>() argument of incompatible type!")(static_cast <bool> (isa<To>(Val) && "cast<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<To>(Val) && \"cast<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 572, __extension__ __PRETTY_FUNCTION__ )); |
| 573 | return CastInfo<To, From>::doCast(Val); |
| 574 | } |
| 575 | |
| 576 | template <typename To, typename From> |
| 577 | [[nodiscard]] inline decltype(auto) cast(From *Val) { |
| 578 | assert(isa<To>(Val) && "cast<Ty>() argument of incompatible type!")(static_cast <bool> (isa<To>(Val) && "cast<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<To>(Val) && \"cast<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 578, __extension__ __PRETTY_FUNCTION__ )); |
| 579 | return CastInfo<To, From *>::doCast(Val); |
| 580 | } |
| 581 | |
| 582 | template <typename To, typename From> |
| 583 | [[nodiscard]] inline decltype(auto) cast(std::unique_ptr<From> &&Val) { |
| 584 | assert(isa<To>(Val) && "cast<Ty>() argument of incompatible type!")(static_cast <bool> (isa<To>(Val) && "cast<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<To>(Val) && \"cast<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 584, __extension__ __PRETTY_FUNCTION__ )); |
| 585 | return CastInfo<To, std::unique_ptr<From>>::doCast(std::move(Val)); |
| 586 | } |
| 587 | |
| 588 | //===----------------------------------------------------------------------===// |
| 589 | // ValueIsPresent |
| 590 | //===----------------------------------------------------------------------===// |
| 591 | |
| 592 | template <typename T> |
| 593 | constexpr bool IsNullable = |
| 594 | std::is_pointer_v<T> || std::is_constructible_v<T, std::nullptr_t>; |
| 595 | |
| 596 | /// ValueIsPresent provides a way to check if a value is, well, present. For |
| 597 | /// pointers, this is the equivalent of checking against nullptr, for Optionals |
| 598 | /// this is the equivalent of checking hasValue(). It also provides a method for |
| 599 | /// unwrapping a value (think calling .value() on an optional). |
| 600 | |
| 601 | // Generic values can't *not* be present. |
| 602 | template <typename T, typename Enable = void> struct ValueIsPresent { |
| 603 | using UnwrappedType = T; |
| 604 | static inline bool isPresent(const T &t) { return true; } |
| 605 | static inline decltype(auto) unwrapValue(T &t) { return t; } |
| 606 | }; |
| 607 | |
| 608 | // Optional provides its own way to check if something is present. |
| 609 | template <typename T> struct ValueIsPresent<std::optional<T>> { |
| 610 | using UnwrappedType = T; |
| 611 | static inline bool isPresent(const std::optional<T> &t) { |
| 612 | return t.has_value(); |
| 613 | } |
| 614 | static inline decltype(auto) unwrapValue(std::optional<T> &t) { return *t; } |
| 615 | }; |
| 616 | |
| 617 | // If something is "nullable" then we just compare it to nullptr to see if it |
| 618 | // exists. |
| 619 | template <typename T> |
| 620 | struct ValueIsPresent<T, std::enable_if_t<IsNullable<T>>> { |
| 621 | using UnwrappedType = T; |
| 622 | static inline bool isPresent(const T &t) { return t != T(nullptr); } |
| 623 | static inline decltype(auto) unwrapValue(T &t) { return t; } |
| 624 | }; |
| 625 | |
| 626 | namespace detail { |
| 627 | // Convenience function we can use to check if a value is present. Because of |
| 628 | // simplify_type, we have to call it on the simplified type for now. |
| 629 | template <typename T> inline bool isPresent(const T &t) { |
| 630 | return ValueIsPresent<typename simplify_type<T>::SimpleType>::isPresent( |
| 631 | simplify_type<T>::getSimplifiedValue(const_cast<T &>(t))); |
| 632 | } |
| 633 | |
| 634 | // Convenience function we can use to unwrap a value. |
| 635 | template <typename T> inline decltype(auto) unwrapValue(T &t) { |
| 636 | return ValueIsPresent<T>::unwrapValue(t); |
| 637 | } |
| 638 | } // namespace detail |
| 639 | |
| 640 | /// dyn_cast<X> - Return the argument parameter cast to the specified type. This |
| 641 | /// casting operator returns null if the argument is of the wrong type, so it |
| 642 | /// can be used to test for a type as well as cast if successful. The value |
| 643 | /// passed in must be present, if not, use dyn_cast_if_present. This should be |
| 644 | /// used in the context of an if statement like this: |
| 645 | /// |
| 646 | /// if (const Instruction *I = dyn_cast<Instruction>(myVal)) { ... } |
| 647 | |
| 648 | template <typename To, typename From> |
| 649 | [[nodiscard]] inline decltype(auto) dyn_cast(const From &Val) { |
| 650 | assert(detail::isPresent(Val) && "dyn_cast on a non-existent value")(static_cast <bool> (detail::isPresent(Val) && "dyn_cast on a non-existent value" ) ? void (0) : __assert_fail ("detail::isPresent(Val) && \"dyn_cast on a non-existent value\"" , "llvm/include/llvm/Support/Casting.h", 650, __extension__ __PRETTY_FUNCTION__ )); |
| 651 | return CastInfo<To, const From>::doCastIfPossible(Val); |
| 652 | } |
| 653 | |
| 654 | template <typename To, typename From> |
| 655 | [[nodiscard]] inline decltype(auto) dyn_cast(From &Val) { |
| 656 | assert(detail::isPresent(Val) && "dyn_cast on a non-existent value")(static_cast <bool> (detail::isPresent(Val) && "dyn_cast on a non-existent value" ) ? void (0) : __assert_fail ("detail::isPresent(Val) && \"dyn_cast on a non-existent value\"" , "llvm/include/llvm/Support/Casting.h", 656, __extension__ __PRETTY_FUNCTION__ )); |
| 657 | return CastInfo<To, From>::doCastIfPossible(Val); |
| 658 | } |
| 659 | |
| 660 | template <typename To, typename From> |
| 661 | [[nodiscard]] inline decltype(auto) dyn_cast(From *Val) { |
| 662 | assert(detail::isPresent(Val) && "dyn_cast on a non-existent value")(static_cast <bool> (detail::isPresent(Val) && "dyn_cast on a non-existent value" ) ? void (0) : __assert_fail ("detail::isPresent(Val) && \"dyn_cast on a non-existent value\"" , "llvm/include/llvm/Support/Casting.h", 662, __extension__ __PRETTY_FUNCTION__ )); |
| 663 | return CastInfo<To, From *>::doCastIfPossible(Val); |
| 664 | } |
| 665 | |
| 666 | template <typename To, typename From> |
| 667 | [[nodiscard]] inline decltype(auto) dyn_cast(std::unique_ptr<From> &&Val) { |
| 668 | assert(detail::isPresent(Val) && "dyn_cast on a non-existent value")(static_cast <bool> (detail::isPresent(Val) && "dyn_cast on a non-existent value" ) ? void (0) : __assert_fail ("detail::isPresent(Val) && \"dyn_cast on a non-existent value\"" , "llvm/include/llvm/Support/Casting.h", 668, __extension__ __PRETTY_FUNCTION__ )); |
| 669 | return CastInfo<To, std::unique_ptr<From>>::doCastIfPossible( |
| 670 | std::forward<std::unique_ptr<From> &&>(Val)); |
| 671 | } |
| 672 | |
| 673 | /// isa_and_present<X> - Functionally identical to isa, except that a null value |
| 674 | /// is accepted. |
| 675 | template <typename... X, class Y> |
| 676 | [[nodiscard]] inline bool isa_and_present(const Y &Val) { |
| 677 | if (!detail::isPresent(Val)) |
| 678 | return false; |
| 679 | return isa<X...>(Val); |
| 680 | } |
| 681 | |
| 682 | template <typename... X, class Y> |
| 683 | [[nodiscard]] inline bool isa_and_nonnull(const Y &Val) { |
| 684 | return isa_and_present<X...>(Val); |
| 685 | } |
| 686 | |
| 687 | /// cast_if_present<X> - Functionally identical to cast, except that a null |
| 688 | /// value is accepted. |
| 689 | template <class X, class Y> |
| 690 | [[nodiscard]] inline auto cast_if_present(const Y &Val) { |
| 691 | if (!detail::isPresent(Val)) |
| 692 | return CastInfo<X, const Y>::castFailed(); |
| 693 | assert(isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!")(static_cast <bool> (isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<X>(Val) && \"cast_if_present<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 693, __extension__ __PRETTY_FUNCTION__ )); |
| 694 | return cast<X>(detail::unwrapValue(Val)); |
| 695 | } |
| 696 | |
| 697 | template <class X, class Y> [[nodiscard]] inline auto cast_if_present(Y &Val) { |
| 698 | if (!detail::isPresent(Val)) |
| 699 | return CastInfo<X, Y>::castFailed(); |
| 700 | assert(isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!")(static_cast <bool> (isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<X>(Val) && \"cast_if_present<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 700, __extension__ __PRETTY_FUNCTION__ )); |
| 701 | return cast<X>(detail::unwrapValue(Val)); |
| 702 | } |
| 703 | |
| 704 | template <class X, class Y> [[nodiscard]] inline auto cast_if_present(Y *Val) { |
| 705 | if (!detail::isPresent(Val)) |
| 706 | return CastInfo<X, Y *>::castFailed(); |
| 707 | assert(isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!")(static_cast <bool> (isa<X>(Val) && "cast_if_present<Ty>() argument of incompatible type!" ) ? void (0) : __assert_fail ("isa<X>(Val) && \"cast_if_present<Ty>() argument of incompatible type!\"" , "llvm/include/llvm/Support/Casting.h", 707, __extension__ __PRETTY_FUNCTION__ )); |
| 708 | return cast<X>(detail::unwrapValue(Val)); |
| 709 | } |
| 710 | |
| 711 | template <class X, class Y> |
| 712 | [[nodiscard]] inline auto cast_if_present(std::unique_ptr<Y> &&Val) { |
| 713 | if (!detail::isPresent(Val)) |
| 714 | return UniquePtrCast<X, Y>::castFailed(); |
| 715 | return UniquePtrCast<X, Y>::doCast(std::move(Val)); |
| 716 | } |
| 717 | |
| 718 | // Provide a forwarding from cast_or_null to cast_if_present for current |
| 719 | // users. This is deprecated and will be removed in a future patch, use |
| 720 | // cast_if_present instead. |
| 721 | template <class X, class Y> auto cast_or_null(const Y &Val) { |
| 722 | return cast_if_present<X>(Val); |
| 723 | } |
| 724 | |
| 725 | template <class X, class Y> auto cast_or_null(Y &Val) { |
| 726 | return cast_if_present<X>(Val); |
| 727 | } |
| 728 | |
| 729 | template <class X, class Y> auto cast_or_null(Y *Val) { |
| 730 | return cast_if_present<X>(Val); |
| 731 | } |
| 732 | |
| 733 | template <class X, class Y> auto cast_or_null(std::unique_ptr<Y> &&Val) { |
| 734 | return cast_if_present<X>(std::move(Val)); |
| 735 | } |
| 736 | |
| 737 | /// dyn_cast_if_present<X> - Functionally identical to dyn_cast, except that a |
| 738 | /// null (or none in the case of optionals) value is accepted. |
| 739 | template <class X, class Y> auto dyn_cast_if_present(const Y &Val) { |
| 740 | if (!detail::isPresent(Val)) |
| 741 | return CastInfo<X, const Y>::castFailed(); |
| 742 | return CastInfo<X, const Y>::doCastIfPossible(detail::unwrapValue(Val)); |
| 743 | } |
| 744 | |
| 745 | template <class X, class Y> auto dyn_cast_if_present(Y &Val) { |
| 746 | if (!detail::isPresent(Val)) |
| 747 | return CastInfo<X, Y>::castFailed(); |
| 748 | return CastInfo<X, Y>::doCastIfPossible(detail::unwrapValue(Val)); |
| 749 | } |
| 750 | |
| 751 | template <class X, class Y> auto dyn_cast_if_present(Y *Val) { |
| 752 | if (!detail::isPresent(Val)) |
| 753 | return CastInfo<X, Y *>::castFailed(); |
| 754 | return CastInfo<X, Y *>::doCastIfPossible(detail::unwrapValue(Val)); |
| 755 | } |
| 756 | |
| 757 | // Forwards to dyn_cast_if_present to avoid breaking current users. This is |
| 758 | // deprecated and will be removed in a future patch, use |
| 759 | // cast_if_present instead. |
| 760 | template <class X, class Y> auto dyn_cast_or_null(const Y &Val) { |
| 761 | return dyn_cast_if_present<X>(Val); |
| 762 | } |
| 763 | |
| 764 | template <class X, class Y> auto dyn_cast_or_null(Y &Val) { |
| 765 | return dyn_cast_if_present<X>(Val); |
| 766 | } |
| 767 | |
| 768 | template <class X, class Y> auto dyn_cast_or_null(Y *Val) { |
| 769 | return dyn_cast_if_present<X>(Val); |
| 770 | } |
| 771 | |
| 772 | /// unique_dyn_cast<X> - Given a unique_ptr<Y>, try to return a unique_ptr<X>, |
| 773 | /// taking ownership of the input pointer iff isa<X>(Val) is true. If the |
| 774 | /// cast is successful, From refers to nullptr on exit and the casted value |
| 775 | /// is returned. If the cast is unsuccessful, the function returns nullptr |
| 776 | /// and From is unchanged. |
| 777 | template <class X, class Y> |
| 778 | [[nodiscard]] inline typename CastInfo<X, std::unique_ptr<Y>>::CastResultType |
| 779 | unique_dyn_cast(std::unique_ptr<Y> &Val) { |
| 780 | if (!isa<X>(Val)) |
| 781 | return nullptr; |
| 782 | return cast<X>(std::move(Val)); |
| 783 | } |
| 784 | |
| 785 | template <class X, class Y> |
| 786 | [[nodiscard]] inline auto unique_dyn_cast(std::unique_ptr<Y> &&Val) { |
| 787 | return unique_dyn_cast<X, Y>(Val); |
| 788 | } |
| 789 | |
| 790 | // unique_dyn_cast_or_null<X> - Functionally identical to unique_dyn_cast, |
| 791 | // except that a null value is accepted. |
| 792 | template <class X, class Y> |
| 793 | [[nodiscard]] inline typename CastInfo<X, std::unique_ptr<Y>>::CastResultType |
| 794 | unique_dyn_cast_or_null(std::unique_ptr<Y> &Val) { |
| 795 | if (!Val) |
| 796 | return nullptr; |
| 797 | return unique_dyn_cast<X, Y>(Val); |
| 798 | } |
| 799 | |
| 800 | template <class X, class Y> |
| 801 | [[nodiscard]] inline auto unique_dyn_cast_or_null(std::unique_ptr<Y> &&Val) { |
| 802 | return unique_dyn_cast_or_null<X, Y>(Val); |
| 803 | } |
| 804 | |
| 805 | } // end namespace llvm |
| 806 | |
| 807 | #endif // LLVM_SUPPORT_CASTING_H |