| File: | build/source/clang/lib/CodeGen/CGOpenMPRuntime.cpp |
| Warning: | line 4319, 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 | llvm::Function *CGOpenMPRuntime::emitParallelOutlinedFunction( | ||||||
| 1260 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||||
| 1261 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||||
| 1262 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_parallel); | ||||||
| 1263 | return emitParallelOrTeamsOutlinedFunction( | ||||||
| 1264 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | ||||||
| 1265 | } | ||||||
| 1266 | |||||||
| 1267 | llvm::Function *CGOpenMPRuntime::emitTeamsOutlinedFunction( | ||||||
| 1268 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||||
| 1269 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||||
| 1270 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_teams); | ||||||
| 1271 | return emitParallelOrTeamsOutlinedFunction( | ||||||
| 1272 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | ||||||
| 1273 | } | ||||||
| 1274 | |||||||
| 1275 | llvm::Function *CGOpenMPRuntime::emitTaskOutlinedFunction( | ||||||
| 1276 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||||
| 1277 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | ||||||
| 1278 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | ||||||
| 1279 | bool Tied, unsigned &NumberOfParts) { | ||||||
| 1280 | auto &&UntiedCodeGen = [this, &D, TaskTVar](CodeGenFunction &CGF, | ||||||
| 1281 | PrePostActionTy &) { | ||||||
| 1282 | llvm::Value *ThreadID = getThreadID(CGF, D.getBeginLoc()); | ||||||
| 1283 | llvm::Value *UpLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||||
| 1284 | llvm::Value *TaskArgs[] = { | ||||||
| 1285 | UpLoc, ThreadID, | ||||||
| 1286 | CGF.EmitLoadOfPointerLValue(CGF.GetAddrOfLocalVar(TaskTVar), | ||||||
| 1287 | TaskTVar->getType()->castAs<PointerType>()) | ||||||
| 1288 | .getPointer(CGF)}; | ||||||
| 1289 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1290 | CGM.getModule(), OMPRTL___kmpc_omp_task), | ||||||
| 1291 | TaskArgs); | ||||||
| 1292 | }; | ||||||
| 1293 | CGOpenMPTaskOutlinedRegionInfo::UntiedTaskActionTy Action(Tied, PartIDVar, | ||||||
| 1294 | UntiedCodeGen); | ||||||
| 1295 | CodeGen.setAction(Action); | ||||||
| 1296 | 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", 1297, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1297 | "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", 1297, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1298 | const OpenMPDirectiveKind Region = | ||||||
| 1299 | isOpenMPTaskLoopDirective(D.getDirectiveKind()) ? OMPD_taskloop | ||||||
| 1300 | : OMPD_task; | ||||||
| 1301 | const CapturedStmt *CS = D.getCapturedStmt(Region); | ||||||
| 1302 | bool HasCancel = false; | ||||||
| 1303 | if (const auto *TD = dyn_cast<OMPTaskDirective>(&D)) | ||||||
| 1304 | HasCancel = TD->hasCancel(); | ||||||
| 1305 | else if (const auto *TD = dyn_cast<OMPTaskLoopDirective>(&D)) | ||||||
| 1306 | HasCancel = TD->hasCancel(); | ||||||
| 1307 | else if (const auto *TD = dyn_cast<OMPMasterTaskLoopDirective>(&D)) | ||||||
| 1308 | HasCancel = TD->hasCancel(); | ||||||
| 1309 | else if (const auto *TD = dyn_cast<OMPParallelMasterTaskLoopDirective>(&D)) | ||||||
| 1310 | HasCancel = TD->hasCancel(); | ||||||
| 1311 | |||||||
| 1312 | CodeGenFunction CGF(CGM, true); | ||||||
| 1313 | CGOpenMPTaskOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, | ||||||
| 1314 | InnermostKind, HasCancel, Action); | ||||||
| 1315 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||||
| 1316 | llvm::Function *Res = CGF.GenerateCapturedStmtFunction(*CS); | ||||||
| 1317 | if (!Tied) | ||||||
| 1318 | NumberOfParts = Action.getNumberOfParts(); | ||||||
| 1319 | return Res; | ||||||
| 1320 | } | ||||||
| 1321 | |||||||
| 1322 | void CGOpenMPRuntime::setLocThreadIdInsertPt(CodeGenFunction &CGF, | ||||||
| 1323 | bool AtCurrentPoint) { | ||||||
| 1324 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1325 | 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", 1325, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1326 | |||||||
| 1327 | llvm::Value *Undef = llvm::UndefValue::get(CGF.Int32Ty); | ||||||
| 1328 | if (AtCurrentPoint) { | ||||||
| 1329 | Elem.second.ServiceInsertPt = new llvm::BitCastInst( | ||||||
| 1330 | Undef, CGF.Int32Ty, "svcpt", CGF.Builder.GetInsertBlock()); | ||||||
| 1331 | } else { | ||||||
| 1332 | Elem.second.ServiceInsertPt = | ||||||
| 1333 | new llvm::BitCastInst(Undef, CGF.Int32Ty, "svcpt"); | ||||||
| 1334 | Elem.second.ServiceInsertPt->insertAfter(CGF.AllocaInsertPt); | ||||||
| 1335 | } | ||||||
| 1336 | } | ||||||
| 1337 | |||||||
| 1338 | void CGOpenMPRuntime::clearLocThreadIdInsertPt(CodeGenFunction &CGF) { | ||||||
| 1339 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1340 | if (Elem.second.ServiceInsertPt) { | ||||||
| 1341 | llvm::Instruction *Ptr = Elem.second.ServiceInsertPt; | ||||||
| 1342 | Elem.second.ServiceInsertPt = nullptr; | ||||||
| 1343 | Ptr->eraseFromParent(); | ||||||
| 1344 | } | ||||||
| 1345 | } | ||||||
| 1346 | |||||||
| 1347 | static StringRef getIdentStringFromSourceLocation(CodeGenFunction &CGF, | ||||||
| 1348 | SourceLocation Loc, | ||||||
| 1349 | SmallString<128> &Buffer) { | ||||||
| 1350 | llvm::raw_svector_ostream OS(Buffer); | ||||||
| 1351 | // Build debug location | ||||||
| 1352 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||||
| 1353 | OS << ";" << PLoc.getFilename() << ";"; | ||||||
| 1354 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | ||||||
| 1355 | OS << FD->getQualifiedNameAsString(); | ||||||
| 1356 | OS << ";" << PLoc.getLine() << ";" << PLoc.getColumn() << ";;"; | ||||||
| 1357 | return OS.str(); | ||||||
| 1358 | } | ||||||
| 1359 | |||||||
| 1360 | llvm::Value *CGOpenMPRuntime::emitUpdateLocation(CodeGenFunction &CGF, | ||||||
| 1361 | SourceLocation Loc, | ||||||
| 1362 | unsigned Flags, bool EmitLoc) { | ||||||
| 1363 | uint32_t SrcLocStrSize; | ||||||
| 1364 | llvm::Constant *SrcLocStr; | ||||||
| 1365 | if ((!EmitLoc && | ||||||
| 1366 | CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo) || | ||||||
| 1367 | Loc.isInvalid()) { | ||||||
| 1368 | SrcLocStr = OMPBuilder.getOrCreateDefaultSrcLocStr(SrcLocStrSize); | ||||||
| 1369 | } else { | ||||||
| 1370 | std::string FunctionName; | ||||||
| 1371 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | ||||||
| 1372 | FunctionName = FD->getQualifiedNameAsString(); | ||||||
| 1373 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||||
| 1374 | const char *FileName = PLoc.getFilename(); | ||||||
| 1375 | unsigned Line = PLoc.getLine(); | ||||||
| 1376 | unsigned Column = PLoc.getColumn(); | ||||||
| 1377 | SrcLocStr = OMPBuilder.getOrCreateSrcLocStr(FunctionName, FileName, Line, | ||||||
| 1378 | Column, SrcLocStrSize); | ||||||
| 1379 | } | ||||||
| 1380 | unsigned Reserved2Flags = getDefaultLocationReserved2Flags(); | ||||||
| 1381 | return OMPBuilder.getOrCreateIdent( | ||||||
| 1382 | SrcLocStr, SrcLocStrSize, llvm::omp::IdentFlag(Flags), Reserved2Flags); | ||||||
| 1383 | } | ||||||
| 1384 | |||||||
| 1385 | llvm::Value *CGOpenMPRuntime::getThreadID(CodeGenFunction &CGF, | ||||||
| 1386 | SourceLocation Loc) { | ||||||
| 1387 | 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", 1387, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1388 | // If the OpenMPIRBuilder is used we need to use it for all thread id calls as | ||||||
| 1389 | // the clang invariants used below might be broken. | ||||||
| 1390 | if (CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 1391 | SmallString<128> Buffer; | ||||||
| 1392 | OMPBuilder.updateToLocation(CGF.Builder.saveIP()); | ||||||
| 1393 | uint32_t SrcLocStrSize; | ||||||
| 1394 | auto *SrcLocStr = OMPBuilder.getOrCreateSrcLocStr( | ||||||
| 1395 | getIdentStringFromSourceLocation(CGF, Loc, Buffer), SrcLocStrSize); | ||||||
| 1396 | return OMPBuilder.getOrCreateThreadID( | ||||||
| 1397 | OMPBuilder.getOrCreateIdent(SrcLocStr, SrcLocStrSize)); | ||||||
| 1398 | } | ||||||
| 1399 | |||||||
| 1400 | llvm::Value *ThreadID = nullptr; | ||||||
| 1401 | // Check whether we've already cached a load of the thread id in this | ||||||
| 1402 | // function. | ||||||
| 1403 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | ||||||
| 1404 | if (I != OpenMPLocThreadIDMap.end()) { | ||||||
| 1405 | ThreadID = I->second.ThreadID; | ||||||
| 1406 | if (ThreadID != nullptr) | ||||||
| 1407 | return ThreadID; | ||||||
| 1408 | } | ||||||
| 1409 | // If exceptions are enabled, do not use parameter to avoid possible crash. | ||||||
| 1410 | if (auto *OMPRegionInfo = | ||||||
| 1411 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||||
| 1412 | if (OMPRegionInfo->getThreadIDVariable()) { | ||||||
| 1413 | // Check if this an outlined function with thread id passed as argument. | ||||||
| 1414 | LValue LVal = OMPRegionInfo->getThreadIDVariableLValue(CGF); | ||||||
| 1415 | llvm::BasicBlock *TopBlock = CGF.AllocaInsertPt->getParent(); | ||||||
| 1416 | if (!CGF.EHStack.requiresLandingPad() || !CGF.getLangOpts().Exceptions || | ||||||
| 1417 | !CGF.getLangOpts().CXXExceptions || | ||||||
| 1418 | CGF.Builder.GetInsertBlock() == TopBlock || | ||||||
| 1419 | !isa<llvm::Instruction>(LVal.getPointer(CGF)) || | ||||||
| 1420 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||||
| 1421 | TopBlock || | ||||||
| 1422 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||||
| 1423 | CGF.Builder.GetInsertBlock()) { | ||||||
| 1424 | ThreadID = CGF.EmitLoadOfScalar(LVal, Loc); | ||||||
| 1425 | // If value loaded in entry block, cache it and use it everywhere in | ||||||
| 1426 | // function. | ||||||
| 1427 | if (CGF.Builder.GetInsertBlock() == TopBlock) { | ||||||
| 1428 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1429 | Elem.second.ThreadID = ThreadID; | ||||||
| 1430 | } | ||||||
| 1431 | return ThreadID; | ||||||
| 1432 | } | ||||||
| 1433 | } | ||||||
| 1434 | } | ||||||
| 1435 | |||||||
| 1436 | // This is not an outlined function region - need to call __kmpc_int32 | ||||||
| 1437 | // kmpc_global_thread_num(ident_t *loc). | ||||||
| 1438 | // Generate thread id value and cache this value for use across the | ||||||
| 1439 | // function. | ||||||
| 1440 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||||
| 1441 | if (!Elem.second.ServiceInsertPt) | ||||||
| 1442 | setLocThreadIdInsertPt(CGF); | ||||||
| 1443 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||||
| 1444 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | ||||||
| 1445 | llvm::CallInst *Call = CGF.Builder.CreateCall( | ||||||
| 1446 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 1447 | OMPRTL___kmpc_global_thread_num), | ||||||
| 1448 | emitUpdateLocation(CGF, Loc)); | ||||||
| 1449 | Call->setCallingConv(CGF.getRuntimeCC()); | ||||||
| 1450 | Elem.second.ThreadID = Call; | ||||||
| 1451 | return Call; | ||||||
| 1452 | } | ||||||
| 1453 | |||||||
| 1454 | void CGOpenMPRuntime::functionFinished(CodeGenFunction &CGF) { | ||||||
| 1455 | 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", 1455, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1456 | if (OpenMPLocThreadIDMap.count(CGF.CurFn)) { | ||||||
| 1457 | clearLocThreadIdInsertPt(CGF); | ||||||
| 1458 | OpenMPLocThreadIDMap.erase(CGF.CurFn); | ||||||
| 1459 | } | ||||||
| 1460 | if (FunctionUDRMap.count(CGF.CurFn) > 0) { | ||||||
| 1461 | for(const auto *D : FunctionUDRMap[CGF.CurFn]) | ||||||
| 1462 | UDRMap.erase(D); | ||||||
| 1463 | FunctionUDRMap.erase(CGF.CurFn); | ||||||
| 1464 | } | ||||||
| 1465 | auto I = FunctionUDMMap.find(CGF.CurFn); | ||||||
| 1466 | if (I != FunctionUDMMap.end()) { | ||||||
| 1467 | for(const auto *D : I->second) | ||||||
| 1468 | UDMMap.erase(D); | ||||||
| 1469 | FunctionUDMMap.erase(I); | ||||||
| 1470 | } | ||||||
| 1471 | LastprivateConditionalToTypes.erase(CGF.CurFn); | ||||||
| 1472 | FunctionToUntiedTaskStackMap.erase(CGF.CurFn); | ||||||
| 1473 | } | ||||||
| 1474 | |||||||
| 1475 | llvm::Type *CGOpenMPRuntime::getIdentTyPointerTy() { | ||||||
| 1476 | return OMPBuilder.IdentPtr; | ||||||
| 1477 | } | ||||||
| 1478 | |||||||
| 1479 | llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() { | ||||||
| 1480 | if (!Kmpc_MicroTy) { | ||||||
| 1481 | // Build void (*kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...) | ||||||
| 1482 | llvm::Type *MicroParams[] = {llvm::PointerType::getUnqual(CGM.Int32Ty), | ||||||
| 1483 | llvm::PointerType::getUnqual(CGM.Int32Ty)}; | ||||||
| 1484 | Kmpc_MicroTy = llvm::FunctionType::get(CGM.VoidTy, MicroParams, true); | ||||||
| 1485 | } | ||||||
| 1486 | return llvm::PointerType::getUnqual(Kmpc_MicroTy); | ||||||
| 1487 | } | ||||||
| 1488 | |||||||
| 1489 | llvm::FunctionCallee | ||||||
| 1490 | CGOpenMPRuntime::createForStaticInitFunction(unsigned IVSize, bool IVSigned, | ||||||
| 1491 | bool IsGPUDistribute) { | ||||||
| 1492 | 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", 1493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1493 | "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", 1493, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1494 | StringRef Name; | ||||||
| 1495 | if (IsGPUDistribute) | ||||||
| 1496 | Name = IVSize == 32 ? (IVSigned ? "__kmpc_distribute_static_init_4" | ||||||
| 1497 | : "__kmpc_distribute_static_init_4u") | ||||||
| 1498 | : (IVSigned ? "__kmpc_distribute_static_init_8" | ||||||
| 1499 | : "__kmpc_distribute_static_init_8u"); | ||||||
| 1500 | else | ||||||
| 1501 | Name = IVSize == 32 ? (IVSigned ? "__kmpc_for_static_init_4" | ||||||
| 1502 | : "__kmpc_for_static_init_4u") | ||||||
| 1503 | : (IVSigned ? "__kmpc_for_static_init_8" | ||||||
| 1504 | : "__kmpc_for_static_init_8u"); | ||||||
| 1505 | |||||||
| 1506 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1507 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||||
| 1508 | llvm::Type *TypeParams[] = { | ||||||
| 1509 | getIdentTyPointerTy(), // loc | ||||||
| 1510 | CGM.Int32Ty, // tid | ||||||
| 1511 | CGM.Int32Ty, // schedtype | ||||||
| 1512 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||||
| 1513 | PtrTy, // p_lower | ||||||
| 1514 | PtrTy, // p_upper | ||||||
| 1515 | PtrTy, // p_stride | ||||||
| 1516 | ITy, // incr | ||||||
| 1517 | ITy // chunk | ||||||
| 1518 | }; | ||||||
| 1519 | auto *FnTy = | ||||||
| 1520 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||||
| 1521 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1522 | } | ||||||
| 1523 | |||||||
| 1524 | llvm::FunctionCallee | ||||||
| 1525 | CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1526 | 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", 1527, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1527 | "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", 1527, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1528 | StringRef Name = | ||||||
| 1529 | IVSize == 32 | ||||||
| 1530 | ? (IVSigned ? "__kmpc_dispatch_init_4" : "__kmpc_dispatch_init_4u") | ||||||
| 1531 | : (IVSigned ? "__kmpc_dispatch_init_8" : "__kmpc_dispatch_init_8u"); | ||||||
| 1532 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1533 | llvm::Type *TypeParams[] = { getIdentTyPointerTy(), // loc | ||||||
| 1534 | CGM.Int32Ty, // tid | ||||||
| 1535 | CGM.Int32Ty, // schedtype | ||||||
| 1536 | ITy, // lower | ||||||
| 1537 | ITy, // upper | ||||||
| 1538 | ITy, // stride | ||||||
| 1539 | ITy // chunk | ||||||
| 1540 | }; | ||||||
| 1541 | auto *FnTy = | ||||||
| 1542 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||||
| 1543 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1544 | } | ||||||
| 1545 | |||||||
| 1546 | llvm::FunctionCallee | ||||||
| 1547 | CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1548 | 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", 1549, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1549 | "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", 1549, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1550 | StringRef Name = | ||||||
| 1551 | IVSize == 32 | ||||||
| 1552 | ? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u") | ||||||
| 1553 | : (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u"); | ||||||
| 1554 | llvm::Type *TypeParams[] = { | ||||||
| 1555 | getIdentTyPointerTy(), // loc | ||||||
| 1556 | CGM.Int32Ty, // tid | ||||||
| 1557 | }; | ||||||
| 1558 | auto *FnTy = | ||||||
| 1559 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||||
| 1560 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1561 | } | ||||||
| 1562 | |||||||
| 1563 | llvm::FunctionCallee | ||||||
| 1564 | CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize, bool IVSigned) { | ||||||
| 1565 | 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", 1566, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1566 | "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", 1566, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1567 | StringRef Name = | ||||||
| 1568 | IVSize == 32 | ||||||
| 1569 | ? (IVSigned ? "__kmpc_dispatch_next_4" : "__kmpc_dispatch_next_4u") | ||||||
| 1570 | : (IVSigned ? "__kmpc_dispatch_next_8" : "__kmpc_dispatch_next_8u"); | ||||||
| 1571 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||||
| 1572 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||||
| 1573 | llvm::Type *TypeParams[] = { | ||||||
| 1574 | getIdentTyPointerTy(), // loc | ||||||
| 1575 | CGM.Int32Ty, // tid | ||||||
| 1576 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||||
| 1577 | PtrTy, // p_lower | ||||||
| 1578 | PtrTy, // p_upper | ||||||
| 1579 | PtrTy // p_stride | ||||||
| 1580 | }; | ||||||
| 1581 | auto *FnTy = | ||||||
| 1582 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||||
| 1583 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||||
| 1584 | } | ||||||
| 1585 | |||||||
| 1586 | /// Obtain information that uniquely identifies a target entry. This | ||||||
| 1587 | /// consists of the file and device IDs as well as line number associated with | ||||||
| 1588 | /// the relevant entry source location. | ||||||
| 1589 | static llvm::TargetRegionEntryInfo | ||||||
| 1590 | getTargetEntryUniqueInfo(ASTContext &C, SourceLocation Loc, | ||||||
| 1591 | StringRef ParentName = "") { | ||||||
| 1592 | SourceManager &SM = C.getSourceManager(); | ||||||
| 1593 | |||||||
| 1594 | // The loc should be always valid and have a file ID (the user cannot use | ||||||
| 1595 | // #pragma directives in macros) | ||||||
| 1596 | |||||||
| 1597 | 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", 1597, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1598 | |||||||
| 1599 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); | ||||||
| 1600 | 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", 1600, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1601 | |||||||
| 1602 | llvm::sys::fs::UniqueID ID; | ||||||
| 1603 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) { | ||||||
| 1604 | PLoc = SM.getPresumedLoc(Loc, /*UseLineDirectives=*/false); | ||||||
| 1605 | 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", 1605, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1606 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) | ||||||
| 1607 | SM.getDiagnostics().Report(diag::err_cannot_open_file) | ||||||
| 1608 | << PLoc.getFilename() << EC.message(); | ||||||
| 1609 | } | ||||||
| 1610 | |||||||
| 1611 | return llvm::TargetRegionEntryInfo(ParentName, ID.getDevice(), ID.getFile(), | ||||||
| 1612 | PLoc.getLine()); | ||||||
| 1613 | } | ||||||
| 1614 | |||||||
| 1615 | Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) { | ||||||
| 1616 | if (CGM.getLangOpts().OpenMPSimd) | ||||||
| 1617 | return Address::invalid(); | ||||||
| 1618 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 1619 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 1620 | if (Res && (*Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||||
| 1621 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 1622 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 1623 | HasRequiresUnifiedSharedMemory))) { | ||||||
| 1624 | SmallString<64> PtrName; | ||||||
| 1625 | { | ||||||
| 1626 | llvm::raw_svector_ostream OS(PtrName); | ||||||
| 1627 | OS << CGM.getMangledName(GlobalDecl(VD)); | ||||||
| 1628 | if (!VD->isExternallyVisible()) { | ||||||
| 1629 | auto EntryInfo = getTargetEntryUniqueInfo( | ||||||
| 1630 | CGM.getContext(), VD->getCanonicalDecl()->getBeginLoc()); | ||||||
| 1631 | OS << llvm::format("_%x", EntryInfo.FileID); | ||||||
| 1632 | } | ||||||
| 1633 | OS << "_decl_tgt_ref_ptr"; | ||||||
| 1634 | } | ||||||
| 1635 | llvm::Value *Ptr = CGM.getModule().getNamedValue(PtrName); | ||||||
| 1636 | QualType PtrTy = CGM.getContext().getPointerType(VD->getType()); | ||||||
| 1637 | llvm::Type *LlvmPtrTy = CGM.getTypes().ConvertTypeForMem(PtrTy); | ||||||
| 1638 | if (!Ptr) { | ||||||
| 1639 | Ptr = OMPBuilder.getOrCreateInternalVariable(LlvmPtrTy, PtrName); | ||||||
| 1640 | |||||||
| 1641 | auto *GV = cast<llvm::GlobalVariable>(Ptr); | ||||||
| 1642 | GV->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | ||||||
| 1643 | |||||||
| 1644 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 1645 | GV->setInitializer(CGM.GetAddrOfGlobal(VD)); | ||||||
| 1646 | registerTargetGlobalVariable(VD, cast<llvm::Constant>(Ptr)); | ||||||
| 1647 | } | ||||||
| 1648 | return Address(Ptr, LlvmPtrTy, CGM.getContext().getDeclAlign(VD)); | ||||||
| 1649 | } | ||||||
| 1650 | return Address::invalid(); | ||||||
| 1651 | } | ||||||
| 1652 | |||||||
| 1653 | llvm::Constant * | ||||||
| 1654 | CGOpenMPRuntime::getOrCreateThreadPrivateCache(const VarDecl *VD) { | ||||||
| 1655 | 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", 1656, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 1656 | !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", 1656, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1657 | // Lookup the entry, lazily creating it if necessary. | ||||||
| 1658 | std::string Suffix = getName({"cache", ""}); | ||||||
| 1659 | return OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1660 | CGM.Int8PtrPtrTy, Twine(CGM.getMangledName(VD)).concat(Suffix).str()); | ||||||
| 1661 | } | ||||||
| 1662 | |||||||
| 1663 | Address CGOpenMPRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | ||||||
| 1664 | const VarDecl *VD, | ||||||
| 1665 | Address VDAddr, | ||||||
| 1666 | SourceLocation Loc) { | ||||||
| 1667 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1668 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||||
| 1669 | return VDAddr; | ||||||
| 1670 | |||||||
| 1671 | llvm::Type *VarTy = VDAddr.getElementType(); | ||||||
| 1672 | llvm::Value *Args[] = { | ||||||
| 1673 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 1674 | CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.Int8PtrTy), | ||||||
| 1675 | CGM.getSize(CGM.GetTargetTypeStoreSize(VarTy)), | ||||||
| 1676 | getOrCreateThreadPrivateCache(VD)}; | ||||||
| 1677 | return Address( | ||||||
| 1678 | CGF.EmitRuntimeCall( | ||||||
| 1679 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1680 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | ||||||
| 1681 | Args), | ||||||
| 1682 | CGF.Int8Ty, VDAddr.getAlignment()); | ||||||
| 1683 | } | ||||||
| 1684 | |||||||
| 1685 | void CGOpenMPRuntime::emitThreadPrivateVarInit( | ||||||
| 1686 | CodeGenFunction &CGF, Address VDAddr, llvm::Value *Ctor, | ||||||
| 1687 | llvm::Value *CopyCtor, llvm::Value *Dtor, SourceLocation Loc) { | ||||||
| 1688 | // Call kmp_int32 __kmpc_global_thread_num(&loc) to init OpenMP runtime | ||||||
| 1689 | // library. | ||||||
| 1690 | llvm::Value *OMPLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 1691 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1692 | CGM.getModule(), OMPRTL___kmpc_global_thread_num), | ||||||
| 1693 | OMPLoc); | ||||||
| 1694 | // Call __kmpc_threadprivate_register(&loc, &var, ctor, cctor/*NULL*/, dtor) | ||||||
| 1695 | // to register constructor/destructor for variable. | ||||||
| 1696 | llvm::Value *Args[] = { | ||||||
| 1697 | OMPLoc, CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.VoidPtrTy), | ||||||
| 1698 | Ctor, CopyCtor, Dtor}; | ||||||
| 1699 | CGF.EmitRuntimeCall( | ||||||
| 1700 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1701 | CGM.getModule(), OMPRTL___kmpc_threadprivate_register), | ||||||
| 1702 | Args); | ||||||
| 1703 | } | ||||||
| 1704 | |||||||
| 1705 | llvm::Function *CGOpenMPRuntime::emitThreadPrivateVarDefinition( | ||||||
| 1706 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, | ||||||
| 1707 | bool PerformInit, CodeGenFunction *CGF) { | ||||||
| 1708 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1709 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||||
| 1710 | return nullptr; | ||||||
| 1711 | |||||||
| 1712 | VD = VD->getDefinition(CGM.getContext()); | ||||||
| 1713 | if (VD && ThreadPrivateWithDefinition.insert(CGM.getMangledName(VD)).second) { | ||||||
| 1714 | QualType ASTTy = VD->getType(); | ||||||
| 1715 | |||||||
| 1716 | llvm::Value *Ctor = nullptr, *CopyCtor = nullptr, *Dtor = nullptr; | ||||||
| 1717 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 1718 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||||
| 1719 | // Generate function that re-emits the declaration's initializer into the | ||||||
| 1720 | // threadprivate copy of the variable VD | ||||||
| 1721 | CodeGenFunction CtorCGF(CGM); | ||||||
| 1722 | FunctionArgList Args; | ||||||
| 1723 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||||
| 1724 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||||
| 1725 | ImplicitParamDecl::Other); | ||||||
| 1726 | Args.push_back(&Dst); | ||||||
| 1727 | |||||||
| 1728 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||||
| 1729 | CGM.getContext().VoidPtrTy, Args); | ||||||
| 1730 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1731 | std::string Name = getName({"__kmpc_global_ctor_", ""}); | ||||||
| 1732 | llvm::Function *Fn = | ||||||
| 1733 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | ||||||
| 1734 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidPtrTy, Fn, FI, | ||||||
| 1735 | Args, Loc, Loc); | ||||||
| 1736 | llvm::Value *ArgVal = CtorCGF.EmitLoadOfScalar( | ||||||
| 1737 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||||
| 1738 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1739 | Address Arg(ArgVal, CtorCGF.Int8Ty, VDAddr.getAlignment()); | ||||||
| 1740 | Arg = CtorCGF.Builder.CreateElementBitCast( | ||||||
| 1741 | Arg, CtorCGF.ConvertTypeForMem(ASTTy)); | ||||||
| 1742 | CtorCGF.EmitAnyExprToMem(Init, Arg, Init->getType().getQualifiers(), | ||||||
| 1743 | /*IsInitializer=*/true); | ||||||
| 1744 | ArgVal = CtorCGF.EmitLoadOfScalar( | ||||||
| 1745 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||||
| 1746 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1747 | CtorCGF.Builder.CreateStore(ArgVal, CtorCGF.ReturnValue); | ||||||
| 1748 | CtorCGF.FinishFunction(); | ||||||
| 1749 | Ctor = Fn; | ||||||
| 1750 | } | ||||||
| 1751 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||||
| 1752 | // Generate function that emits destructor call for the threadprivate copy | ||||||
| 1753 | // of the variable VD | ||||||
| 1754 | CodeGenFunction DtorCGF(CGM); | ||||||
| 1755 | FunctionArgList Args; | ||||||
| 1756 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||||
| 1757 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||||
| 1758 | ImplicitParamDecl::Other); | ||||||
| 1759 | Args.push_back(&Dst); | ||||||
| 1760 | |||||||
| 1761 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||||
| 1762 | CGM.getContext().VoidTy, Args); | ||||||
| 1763 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1764 | std::string Name = getName({"__kmpc_global_dtor_", ""}); | ||||||
| 1765 | llvm::Function *Fn = | ||||||
| 1766 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | ||||||
| 1767 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||||
| 1768 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, Args, | ||||||
| 1769 | Loc, Loc); | ||||||
| 1770 | // Create a scope with an artificial location for the body of this function. | ||||||
| 1771 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||||
| 1772 | llvm::Value *ArgVal = DtorCGF.EmitLoadOfScalar( | ||||||
| 1773 | DtorCGF.GetAddrOfLocalVar(&Dst), | ||||||
| 1774 | /*Volatile=*/false, CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||||
| 1775 | DtorCGF.emitDestroy( | ||||||
| 1776 | Address(ArgVal, DtorCGF.Int8Ty, VDAddr.getAlignment()), ASTTy, | ||||||
| 1777 | DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||||
| 1778 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||||
| 1779 | DtorCGF.FinishFunction(); | ||||||
| 1780 | Dtor = Fn; | ||||||
| 1781 | } | ||||||
| 1782 | // Do not emit init function if it is not required. | ||||||
| 1783 | if (!Ctor && !Dtor) | ||||||
| 1784 | return nullptr; | ||||||
| 1785 | |||||||
| 1786 | llvm::Type *CopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||||
| 1787 | auto *CopyCtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CopyCtorTyArgs, | ||||||
| 1788 | /*isVarArg=*/false) | ||||||
| 1789 | ->getPointerTo(); | ||||||
| 1790 | // Copying constructor for the threadprivate variable. | ||||||
| 1791 | // Must be NULL - reserved by runtime, but currently it requires that this | ||||||
| 1792 | // parameter is always NULL. Otherwise it fires assertion. | ||||||
| 1793 | CopyCtor = llvm::Constant::getNullValue(CopyCtorTy); | ||||||
| 1794 | if (Ctor == nullptr) { | ||||||
| 1795 | auto *CtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | ||||||
| 1796 | /*isVarArg=*/false) | ||||||
| 1797 | ->getPointerTo(); | ||||||
| 1798 | Ctor = llvm::Constant::getNullValue(CtorTy); | ||||||
| 1799 | } | ||||||
| 1800 | if (Dtor == nullptr) { | ||||||
| 1801 | auto *DtorTy = llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, | ||||||
| 1802 | /*isVarArg=*/false) | ||||||
| 1803 | ->getPointerTo(); | ||||||
| 1804 | Dtor = llvm::Constant::getNullValue(DtorTy); | ||||||
| 1805 | } | ||||||
| 1806 | if (!CGF) { | ||||||
| 1807 | auto *InitFunctionTy = | ||||||
| 1808 | llvm::FunctionType::get(CGM.VoidTy, /*isVarArg*/ false); | ||||||
| 1809 | std::string Name = getName({"__omp_threadprivate_init_", ""}); | ||||||
| 1810 | llvm::Function *InitFunction = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1811 | InitFunctionTy, Name, CGM.getTypes().arrangeNullaryFunction()); | ||||||
| 1812 | CodeGenFunction InitCGF(CGM); | ||||||
| 1813 | FunctionArgList ArgList; | ||||||
| 1814 | InitCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, InitFunction, | ||||||
| 1815 | CGM.getTypes().arrangeNullaryFunction(), ArgList, | ||||||
| 1816 | Loc, Loc); | ||||||
| 1817 | emitThreadPrivateVarInit(InitCGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||||
| 1818 | InitCGF.FinishFunction(); | ||||||
| 1819 | return InitFunction; | ||||||
| 1820 | } | ||||||
| 1821 | emitThreadPrivateVarInit(*CGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||||
| 1822 | } | ||||||
| 1823 | return nullptr; | ||||||
| 1824 | } | ||||||
| 1825 | |||||||
| 1826 | bool CGOpenMPRuntime::emitDeclareTargetVarDefinition(const VarDecl *VD, | ||||||
| 1827 | llvm::GlobalVariable *Addr, | ||||||
| 1828 | bool PerformInit) { | ||||||
| 1829 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | ||||||
| 1830 | !CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 1831 | return false; | ||||||
| 1832 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||
| 1833 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||
| 1834 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||||
| 1835 | ((*Res == OMPDeclareTargetDeclAttr::MT_To || | ||||||
| 1836 | *Res == OMPDeclareTargetDeclAttr::MT_Enter) && | ||||||
| 1837 | HasRequiresUnifiedSharedMemory)) | ||||||
| 1838 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1839 | VD = VD->getDefinition(CGM.getContext()); | ||||||
| 1840 | assert(VD && "Unknown VarDecl")(static_cast <bool> (VD && "Unknown VarDecl") ? void (0) : __assert_fail ("VD && \"Unknown VarDecl\"" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 1840, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 1841 | |||||||
| 1842 | if (!DeclareTargetWithDefinition.insert(CGM.getMangledName(VD)).second) | ||||||
| 1843 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1844 | |||||||
| 1845 | QualType ASTTy = VD->getType(); | ||||||
| 1846 | SourceLocation Loc = VD->getCanonicalDecl()->getBeginLoc(); | ||||||
| 1847 | |||||||
| 1848 | // Produce the unique prefix to identify the new target regions. We use | ||||||
| 1849 | // the source location of the variable declaration which we know to not | ||||||
| 1850 | // conflict with any target region. | ||||||
| 1851 | auto EntryInfo = | ||||||
| 1852 | getTargetEntryUniqueInfo(CGM.getContext(), Loc, VD->getName()); | ||||||
| 1853 | SmallString<128> Buffer, Out; | ||||||
| 1854 | OMPBuilder.OffloadInfoManager.getTargetRegionEntryFnName(Buffer, EntryInfo); | ||||||
| 1855 | |||||||
| 1856 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 1857 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||||
| 1858 | llvm::Constant *Ctor; | ||||||
| 1859 | llvm::Constant *ID; | ||||||
| 1860 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 1861 | // Generate function that re-emits the declaration's initializer into | ||||||
| 1862 | // the threadprivate copy of the variable VD | ||||||
| 1863 | CodeGenFunction CtorCGF(CGM); | ||||||
| 1864 | |||||||
| 1865 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||||
| 1866 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1867 | llvm::Function *Fn = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1868 | FTy, Twine(Buffer, "_ctor"), FI, Loc, false, | ||||||
| 1869 | llvm::GlobalValue::WeakODRLinkage); | ||||||
| 1870 | Fn->setVisibility(llvm::GlobalValue::ProtectedVisibility); | ||||||
| 1871 | if (CGM.getTriple().isAMDGCN()) | ||||||
| 1872 | Fn->setCallingConv(llvm::CallingConv::AMDGPU_KERNEL); | ||||||
| 1873 | auto NL = ApplyDebugLocation::CreateEmpty(CtorCGF); | ||||||
| 1874 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||||
| 1875 | FunctionArgList(), Loc, Loc); | ||||||
| 1876 | auto AL = ApplyDebugLocation::CreateArtificial(CtorCGF); | ||||||
| 1877 | llvm::Constant *AddrInAS0 = Addr; | ||||||
| 1878 | if (Addr->getAddressSpace() != 0) | ||||||
| 1879 | AddrInAS0 = llvm::ConstantExpr::getAddrSpaceCast( | ||||||
| 1880 | Addr, llvm::PointerType::getWithSamePointeeType( | ||||||
| 1881 | cast<llvm::PointerType>(Addr->getType()), 0)); | ||||||
| 1882 | CtorCGF.EmitAnyExprToMem(Init, | ||||||
| 1883 | Address(AddrInAS0, Addr->getValueType(), | ||||||
| 1884 | CGM.getContext().getDeclAlign(VD)), | ||||||
| 1885 | Init->getType().getQualifiers(), | ||||||
| 1886 | /*IsInitializer=*/true); | ||||||
| 1887 | CtorCGF.FinishFunction(); | ||||||
| 1888 | Ctor = Fn; | ||||||
| 1889 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||||
| 1890 | } else { | ||||||
| 1891 | Ctor = new llvm::GlobalVariable( | ||||||
| 1892 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||||
| 1893 | llvm::GlobalValue::PrivateLinkage, | ||||||
| 1894 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_ctor")); | ||||||
| 1895 | ID = Ctor; | ||||||
| 1896 | } | ||||||
| 1897 | |||||||
| 1898 | // Register the information for the entry associated with the constructor. | ||||||
| 1899 | Out.clear(); | ||||||
| 1900 | auto CtorEntryInfo = EntryInfo; | ||||||
| 1901 | CtorEntryInfo.ParentName = Twine(Buffer, "_ctor").toStringRef(Out); | ||||||
| 1902 | OMPBuilder.OffloadInfoManager.registerTargetRegionEntryInfo( | ||||||
| 1903 | CtorEntryInfo, Ctor, ID, | ||||||
| 1904 | llvm::OffloadEntriesInfoManager::OMPTargetRegionEntryCtor); | ||||||
| 1905 | } | ||||||
| 1906 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||||
| 1907 | llvm::Constant *Dtor; | ||||||
| 1908 | llvm::Constant *ID; | ||||||
| 1909 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||||
| 1910 | // Generate function that emits destructor call for the threadprivate | ||||||
| 1911 | // copy of the variable VD | ||||||
| 1912 | CodeGenFunction DtorCGF(CGM); | ||||||
| 1913 | |||||||
| 1914 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||||
| 1915 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||||
| 1916 | llvm::Function *Fn = CGM.CreateGlobalInitOrCleanUpFunction( | ||||||
| 1917 | FTy, Twine(Buffer, "_dtor"), FI, Loc, false, | ||||||
| 1918 | llvm::GlobalValue::WeakODRLinkage); | ||||||
| 1919 | Fn->setVisibility(llvm::GlobalValue::ProtectedVisibility); | ||||||
| 1920 | if (CGM.getTriple().isAMDGCN()) | ||||||
| 1921 | Fn->setCallingConv(llvm::CallingConv::AMDGPU_KERNEL); | ||||||
| 1922 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||||
| 1923 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||||
| 1924 | FunctionArgList(), Loc, Loc); | ||||||
| 1925 | // Create a scope with an artificial location for the body of this | ||||||
| 1926 | // function. | ||||||
| 1927 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||||
| 1928 | llvm::Constant *AddrInAS0 = Addr; | ||||||
| 1929 | if (Addr->getAddressSpace() != 0) | ||||||
| 1930 | AddrInAS0 = llvm::ConstantExpr::getAddrSpaceCast( | ||||||
| 1931 | Addr, llvm::PointerType::getWithSamePointeeType( | ||||||
| 1932 | cast<llvm::PointerType>(Addr->getType()), 0)); | ||||||
| 1933 | DtorCGF.emitDestroy(Address(AddrInAS0, Addr->getValueType(), | ||||||
| 1934 | CGM.getContext().getDeclAlign(VD)), | ||||||
| 1935 | ASTTy, DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||||
| 1936 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||||
| 1937 | DtorCGF.FinishFunction(); | ||||||
| 1938 | Dtor = Fn; | ||||||
| 1939 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||||
| 1940 | } else { | ||||||
| 1941 | Dtor = new llvm::GlobalVariable( | ||||||
| 1942 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||||
| 1943 | llvm::GlobalValue::PrivateLinkage, | ||||||
| 1944 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_dtor")); | ||||||
| 1945 | ID = Dtor; | ||||||
| 1946 | } | ||||||
| 1947 | // Register the information for the entry associated with the destructor. | ||||||
| 1948 | Out.clear(); | ||||||
| 1949 | auto DtorEntryInfo = EntryInfo; | ||||||
| 1950 | DtorEntryInfo.ParentName = Twine(Buffer, "_dtor").toStringRef(Out); | ||||||
| 1951 | OMPBuilder.OffloadInfoManager.registerTargetRegionEntryInfo( | ||||||
| 1952 | DtorEntryInfo, Dtor, ID, | ||||||
| 1953 | llvm::OffloadEntriesInfoManager::OMPTargetRegionEntryDtor); | ||||||
| 1954 | } | ||||||
| 1955 | return CGM.getLangOpts().OpenMPIsDevice; | ||||||
| 1956 | } | ||||||
| 1957 | |||||||
| 1958 | Address CGOpenMPRuntime::getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, | ||||||
| 1959 | QualType VarType, | ||||||
| 1960 | StringRef Name) { | ||||||
| 1961 | std::string Suffix = getName({"artificial", ""}); | ||||||
| 1962 | llvm::Type *VarLVType = CGF.ConvertTypeForMem(VarType); | ||||||
| 1963 | llvm::GlobalVariable *GAddr = OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1964 | VarLVType, Twine(Name).concat(Suffix).str()); | ||||||
| 1965 | if (CGM.getLangOpts().OpenMP && CGM.getLangOpts().OpenMPUseTLS && | ||||||
| 1966 | CGM.getTarget().isTLSSupported()) { | ||||||
| 1967 | GAddr->setThreadLocal(/*Val=*/true); | ||||||
| 1968 | return Address(GAddr, GAddr->getValueType(), | ||||||
| 1969 | CGM.getContext().getTypeAlignInChars(VarType)); | ||||||
| 1970 | } | ||||||
| 1971 | std::string CacheSuffix = getName({"cache", ""}); | ||||||
| 1972 | llvm::Value *Args[] = { | ||||||
| 1973 | emitUpdateLocation(CGF, SourceLocation()), | ||||||
| 1974 | getThreadID(CGF, SourceLocation()), | ||||||
| 1975 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy), | ||||||
| 1976 | CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy, | ||||||
| 1977 | /*isSigned=*/false), | ||||||
| 1978 | OMPBuilder.getOrCreateInternalVariable( | ||||||
| 1979 | CGM.VoidPtrPtrTy, | ||||||
| 1980 | Twine(Name).concat(Suffix).concat(CacheSuffix).str())}; | ||||||
| 1981 | return Address( | ||||||
| 1982 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 1983 | CGF.EmitRuntimeCall( | ||||||
| 1984 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 1985 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | ||||||
| 1986 | Args), | ||||||
| 1987 | VarLVType->getPointerTo(/*AddrSpace=*/0)), | ||||||
| 1988 | VarLVType, CGM.getContext().getTypeAlignInChars(VarType)); | ||||||
| 1989 | } | ||||||
| 1990 | |||||||
| 1991 | void CGOpenMPRuntime::emitIfClause(CodeGenFunction &CGF, const Expr *Cond, | ||||||
| 1992 | const RegionCodeGenTy &ThenGen, | ||||||
| 1993 | const RegionCodeGenTy &ElseGen) { | ||||||
| 1994 | CodeGenFunction::LexicalScope ConditionScope(CGF, Cond->getSourceRange()); | ||||||
| 1995 | |||||||
| 1996 | // If the condition constant folds and can be elided, try to avoid emitting | ||||||
| 1997 | // the condition and the dead arm of the if/else. | ||||||
| 1998 | bool CondConstant; | ||||||
| 1999 | if (CGF.ConstantFoldsToSimpleInteger(Cond, CondConstant)) { | ||||||
| 2000 | if (CondConstant) | ||||||
| 2001 | ThenGen(CGF); | ||||||
| 2002 | else | ||||||
| 2003 | ElseGen(CGF); | ||||||
| 2004 | return; | ||||||
| 2005 | } | ||||||
| 2006 | |||||||
| 2007 | // Otherwise, the condition did not fold, or we couldn't elide it. Just | ||||||
| 2008 | // emit the conditional branch. | ||||||
| 2009 | llvm::BasicBlock *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||||
| 2010 | llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); | ||||||
| 2011 | llvm::BasicBlock *ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||||
| 2012 | CGF.EmitBranchOnBoolExpr(Cond, ThenBlock, ElseBlock, /*TrueCount=*/0); | ||||||
| 2013 | |||||||
| 2014 | // Emit the 'then' code. | ||||||
| 2015 | CGF.EmitBlock(ThenBlock); | ||||||
| 2016 | ThenGen(CGF); | ||||||
| 2017 | CGF.EmitBranch(ContBlock); | ||||||
| 2018 | // Emit the 'else' code if present. | ||||||
| 2019 | // There is no need to emit line number for unconditional branch. | ||||||
| 2020 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||||
| 2021 | CGF.EmitBlock(ElseBlock); | ||||||
| 2022 | ElseGen(CGF); | ||||||
| 2023 | // There is no need to emit line number for unconditional branch. | ||||||
| 2024 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||||
| 2025 | CGF.EmitBranch(ContBlock); | ||||||
| 2026 | // Emit the continuation block for code after the if. | ||||||
| 2027 | CGF.EmitBlock(ContBlock, /*IsFinished=*/true); | ||||||
| 2028 | } | ||||||
| 2029 | |||||||
| 2030 | void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2031 | llvm::Function *OutlinedFn, | ||||||
| 2032 | ArrayRef<llvm::Value *> CapturedVars, | ||||||
| 2033 | const Expr *IfCond, | ||||||
| 2034 | llvm::Value *NumThreads) { | ||||||
| 2035 | if (!CGF.HaveInsertPoint()) | ||||||
| 2036 | return; | ||||||
| 2037 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 2038 | auto &M = CGM.getModule(); | ||||||
| 2039 | auto &&ThenGen = [&M, OutlinedFn, CapturedVars, RTLoc, | ||||||
| 2040 | this](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 2041 | // Build call __kmpc_fork_call(loc, n, microtask, var1, .., varn); | ||||||
| 2042 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 2043 | llvm::Value *Args[] = { | ||||||
| 2044 | RTLoc, | ||||||
| 2045 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | ||||||
| 2046 | CGF.Builder.CreateBitCast(OutlinedFn, RT.getKmpc_MicroPointerTy())}; | ||||||
| 2047 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | ||||||
| 2048 | RealArgs.append(std::begin(Args), std::end(Args)); | ||||||
| 2049 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||||
| 2050 | |||||||
| 2051 | llvm::FunctionCallee RTLFn = | ||||||
| 2052 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_fork_call); | ||||||
| 2053 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | ||||||
| 2054 | }; | ||||||
| 2055 | auto &&ElseGen = [&M, OutlinedFn, CapturedVars, RTLoc, Loc, | ||||||
| 2056 | this](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 2057 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 2058 | llvm::Value *ThreadID = RT.getThreadID(CGF, Loc); | ||||||
| 2059 | // Build calls: | ||||||
| 2060 | // __kmpc_serialized_parallel(&Loc, GTid); | ||||||
| 2061 | llvm::Value *Args[] = {RTLoc, ThreadID}; | ||||||
| 2062 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2063 | M, OMPRTL___kmpc_serialized_parallel), | ||||||
| 2064 | Args); | ||||||
| 2065 | |||||||
| 2066 | // OutlinedFn(>id, &zero_bound, CapturedStruct); | ||||||
| 2067 | Address ThreadIDAddr = RT.emitThreadIDAddress(CGF, Loc); | ||||||
| 2068 | Address ZeroAddrBound = | ||||||
| 2069 | CGF.CreateDefaultAlignTempAlloca(CGF.Int32Ty, | ||||||
| 2070 | /*Name=*/".bound.zero.addr"); | ||||||
| 2071 | CGF.Builder.CreateStore(CGF.Builder.getInt32(/*C*/ 0), ZeroAddrBound); | ||||||
| 2072 | llvm::SmallVector<llvm::Value *, 16> OutlinedFnArgs; | ||||||
| 2073 | // ThreadId for serialized parallels is 0. | ||||||
| 2074 | OutlinedFnArgs.push_back(ThreadIDAddr.getPointer()); | ||||||
| 2075 | OutlinedFnArgs.push_back(ZeroAddrBound.getPointer()); | ||||||
| 2076 | OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||||
| 2077 | |||||||
| 2078 | // Ensure we do not inline the function. This is trivially true for the ones | ||||||
| 2079 | // passed to __kmpc_fork_call but the ones called in serialized regions | ||||||
| 2080 | // could be inlined. This is not a perfect but it is closer to the invariant | ||||||
| 2081 | // we want, namely, every data environment starts with a new function. | ||||||
| 2082 | // TODO: We should pass the if condition to the runtime function and do the | ||||||
| 2083 | // handling there. Much cleaner code. | ||||||
| 2084 | OutlinedFn->removeFnAttr(llvm::Attribute::AlwaysInline); | ||||||
| 2085 | OutlinedFn->addFnAttr(llvm::Attribute::NoInline); | ||||||
| 2086 | RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs); | ||||||
| 2087 | |||||||
| 2088 | // __kmpc_end_serialized_parallel(&Loc, GTid); | ||||||
| 2089 | llvm::Value *EndArgs[] = {RT.emitUpdateLocation(CGF, Loc), ThreadID}; | ||||||
| 2090 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2091 | M, OMPRTL___kmpc_end_serialized_parallel), | ||||||
| 2092 | EndArgs); | ||||||
| 2093 | }; | ||||||
| 2094 | if (IfCond) { | ||||||
| 2095 | emitIfClause(CGF, IfCond, ThenGen, ElseGen); | ||||||
| 2096 | } else { | ||||||
| 2097 | RegionCodeGenTy ThenRCG(ThenGen); | ||||||
| 2098 | ThenRCG(CGF); | ||||||
| 2099 | } | ||||||
| 2100 | } | ||||||
| 2101 | |||||||
| 2102 | // If we're inside an (outlined) parallel region, use the region info's | ||||||
| 2103 | // thread-ID variable (it is passed in a first argument of the outlined function | ||||||
| 2104 | // as "kmp_int32 *gtid"). Otherwise, if we're not inside parallel region, but in | ||||||
| 2105 | // regular serial code region, get thread ID by calling kmp_int32 | ||||||
| 2106 | // kmpc_global_thread_num(ident_t *loc), stash this thread ID in a temporary and | ||||||
| 2107 | // return the address of that temp. | ||||||
| 2108 | Address CGOpenMPRuntime::emitThreadIDAddress(CodeGenFunction &CGF, | ||||||
| 2109 | SourceLocation Loc) { | ||||||
| 2110 | if (auto *OMPRegionInfo = | ||||||
| 2111 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 2112 | if (OMPRegionInfo->getThreadIDVariable()) | ||||||
| 2113 | return OMPRegionInfo->getThreadIDVariableLValue(CGF).getAddress(CGF); | ||||||
| 2114 | |||||||
| 2115 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 2116 | QualType Int32Ty = | ||||||
| 2117 | CGF.getContext().getIntTypeForBitwidth(/*DestWidth*/ 32, /*Signed*/ true); | ||||||
| 2118 | Address ThreadIDTemp = CGF.CreateMemTemp(Int32Ty, /*Name*/ ".threadid_temp."); | ||||||
| 2119 | CGF.EmitStoreOfScalar(ThreadID, | ||||||
| 2120 | CGF.MakeAddrLValue(ThreadIDTemp, Int32Ty)); | ||||||
| 2121 | |||||||
| 2122 | return ThreadIDTemp; | ||||||
| 2123 | } | ||||||
| 2124 | |||||||
| 2125 | llvm::Value *CGOpenMPRuntime::getCriticalRegionLock(StringRef CriticalName) { | ||||||
| 2126 | std::string Prefix = Twine("gomp_critical_user_", CriticalName).str(); | ||||||
| 2127 | std::string Name = getName({Prefix, "var"}); | ||||||
| 2128 | return OMPBuilder.getOrCreateInternalVariable(KmpCriticalNameTy, Name); | ||||||
| 2129 | } | ||||||
| 2130 | |||||||
| 2131 | namespace { | ||||||
| 2132 | /// Common pre(post)-action for different OpenMP constructs. | ||||||
| 2133 | class CommonActionTy final : public PrePostActionTy { | ||||||
| 2134 | llvm::FunctionCallee EnterCallee; | ||||||
| 2135 | ArrayRef<llvm::Value *> EnterArgs; | ||||||
| 2136 | llvm::FunctionCallee ExitCallee; | ||||||
| 2137 | ArrayRef<llvm::Value *> ExitArgs; | ||||||
| 2138 | bool Conditional; | ||||||
| 2139 | llvm::BasicBlock *ContBlock = nullptr; | ||||||
| 2140 | |||||||
| 2141 | public: | ||||||
| 2142 | CommonActionTy(llvm::FunctionCallee EnterCallee, | ||||||
| 2143 | ArrayRef<llvm::Value *> EnterArgs, | ||||||
| 2144 | llvm::FunctionCallee ExitCallee, | ||||||
| 2145 | ArrayRef<llvm::Value *> ExitArgs, bool Conditional = false) | ||||||
| 2146 | : EnterCallee(EnterCallee), EnterArgs(EnterArgs), ExitCallee(ExitCallee), | ||||||
| 2147 | ExitArgs(ExitArgs), Conditional(Conditional) {} | ||||||
| 2148 | void Enter(CodeGenFunction &CGF) override { | ||||||
| 2149 | llvm::Value *EnterRes = CGF.EmitRuntimeCall(EnterCallee, EnterArgs); | ||||||
| 2150 | if (Conditional) { | ||||||
| 2151 | llvm::Value *CallBool = CGF.Builder.CreateIsNotNull(EnterRes); | ||||||
| 2152 | auto *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||||
| 2153 | ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||||
| 2154 | // Generate the branch (If-stmt) | ||||||
| 2155 | CGF.Builder.CreateCondBr(CallBool, ThenBlock, ContBlock); | ||||||
| 2156 | CGF.EmitBlock(ThenBlock); | ||||||
| 2157 | } | ||||||
| 2158 | } | ||||||
| 2159 | void Done(CodeGenFunction &CGF) { | ||||||
| 2160 | // Emit the rest of blocks/branches | ||||||
| 2161 | CGF.EmitBranch(ContBlock); | ||||||
| 2162 | CGF.EmitBlock(ContBlock, true); | ||||||
| 2163 | } | ||||||
| 2164 | void Exit(CodeGenFunction &CGF) override { | ||||||
| 2165 | CGF.EmitRuntimeCall(ExitCallee, ExitArgs); | ||||||
| 2166 | } | ||||||
| 2167 | }; | ||||||
| 2168 | } // anonymous namespace | ||||||
| 2169 | |||||||
| 2170 | void CGOpenMPRuntime::emitCriticalRegion(CodeGenFunction &CGF, | ||||||
| 2171 | StringRef CriticalName, | ||||||
| 2172 | const RegionCodeGenTy &CriticalOpGen, | ||||||
| 2173 | SourceLocation Loc, const Expr *Hint) { | ||||||
| 2174 | // __kmpc_critical[_with_hint](ident_t *, gtid, Lock[, hint]); | ||||||
| 2175 | // CriticalOpGen(); | ||||||
| 2176 | // __kmpc_end_critical(ident_t *, gtid, Lock); | ||||||
| 2177 | // Prepare arguments and build a call to __kmpc_critical | ||||||
| 2178 | if (!CGF.HaveInsertPoint()) | ||||||
| 2179 | return; | ||||||
| 2180 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2181 | getCriticalRegionLock(CriticalName)}; | ||||||
| 2182 | llvm::SmallVector<llvm::Value *, 4> EnterArgs(std::begin(Args), | ||||||
| 2183 | std::end(Args)); | ||||||
| 2184 | if (Hint) { | ||||||
| 2185 | EnterArgs.push_back(CGF.Builder.CreateIntCast( | ||||||
| 2186 | CGF.EmitScalarExpr(Hint), CGM.Int32Ty, /*isSigned=*/false)); | ||||||
| 2187 | } | ||||||
| 2188 | CommonActionTy Action( | ||||||
| 2189 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2190 | CGM.getModule(), | ||||||
| 2191 | Hint ? OMPRTL___kmpc_critical_with_hint : OMPRTL___kmpc_critical), | ||||||
| 2192 | EnterArgs, | ||||||
| 2193 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 2194 | OMPRTL___kmpc_end_critical), | ||||||
| 2195 | Args); | ||||||
| 2196 | CriticalOpGen.setAction(Action); | ||||||
| 2197 | emitInlinedDirective(CGF, OMPD_critical, CriticalOpGen); | ||||||
| 2198 | } | ||||||
| 2199 | |||||||
| 2200 | void CGOpenMPRuntime::emitMasterRegion(CodeGenFunction &CGF, | ||||||
| 2201 | const RegionCodeGenTy &MasterOpGen, | ||||||
| 2202 | SourceLocation Loc) { | ||||||
| 2203 | if (!CGF.HaveInsertPoint()) | ||||||
| 2204 | return; | ||||||
| 2205 | // if(__kmpc_master(ident_t *, gtid)) { | ||||||
| 2206 | // MasterOpGen(); | ||||||
| 2207 | // __kmpc_end_master(ident_t *, gtid); | ||||||
| 2208 | // } | ||||||
| 2209 | // Prepare arguments and build a call to __kmpc_master | ||||||
| 2210 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2211 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2212 | CGM.getModule(), OMPRTL___kmpc_master), | ||||||
| 2213 | Args, | ||||||
| 2214 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2215 | CGM.getModule(), OMPRTL___kmpc_end_master), | ||||||
| 2216 | Args, | ||||||
| 2217 | /*Conditional=*/true); | ||||||
| 2218 | MasterOpGen.setAction(Action); | ||||||
| 2219 | emitInlinedDirective(CGF, OMPD_master, MasterOpGen); | ||||||
| 2220 | Action.Done(CGF); | ||||||
| 2221 | } | ||||||
| 2222 | |||||||
| 2223 | void CGOpenMPRuntime::emitMaskedRegion(CodeGenFunction &CGF, | ||||||
| 2224 | const RegionCodeGenTy &MaskedOpGen, | ||||||
| 2225 | SourceLocation Loc, const Expr *Filter) { | ||||||
| 2226 | if (!CGF.HaveInsertPoint()) | ||||||
| 2227 | return; | ||||||
| 2228 | // if(__kmpc_masked(ident_t *, gtid, filter)) { | ||||||
| 2229 | // MaskedOpGen(); | ||||||
| 2230 | // __kmpc_end_masked(iden_t *, gtid); | ||||||
| 2231 | // } | ||||||
| 2232 | // Prepare arguments and build a call to __kmpc_masked | ||||||
| 2233 | llvm::Value *FilterVal = Filter | ||||||
| 2234 | ? CGF.EmitScalarExpr(Filter, CGF.Int32Ty) | ||||||
| 2235 | : llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/0); | ||||||
| 2236 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2237 | FilterVal}; | ||||||
| 2238 | llvm::Value *ArgsEnd[] = {emitUpdateLocation(CGF, Loc), | ||||||
| 2239 | getThreadID(CGF, Loc)}; | ||||||
| 2240 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2241 | CGM.getModule(), OMPRTL___kmpc_masked), | ||||||
| 2242 | Args, | ||||||
| 2243 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2244 | CGM.getModule(), OMPRTL___kmpc_end_masked), | ||||||
| 2245 | ArgsEnd, | ||||||
| 2246 | /*Conditional=*/true); | ||||||
| 2247 | MaskedOpGen.setAction(Action); | ||||||
| 2248 | emitInlinedDirective(CGF, OMPD_masked, MaskedOpGen); | ||||||
| 2249 | Action.Done(CGF); | ||||||
| 2250 | } | ||||||
| 2251 | |||||||
| 2252 | void CGOpenMPRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | ||||||
| 2253 | SourceLocation Loc) { | ||||||
| 2254 | if (!CGF.HaveInsertPoint()) | ||||||
| 2255 | return; | ||||||
| 2256 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2257 | OMPBuilder.createTaskyield(CGF.Builder); | ||||||
| 2258 | } else { | ||||||
| 2259 | // Build call __kmpc_omp_taskyield(loc, thread_id, 0); | ||||||
| 2260 | llvm::Value *Args[] = { | ||||||
| 2261 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2262 | llvm::ConstantInt::get(CGM.IntTy, /*V=*/0, /*isSigned=*/true)}; | ||||||
| 2263 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2264 | CGM.getModule(), OMPRTL___kmpc_omp_taskyield), | ||||||
| 2265 | Args); | ||||||
| 2266 | } | ||||||
| 2267 | |||||||
| 2268 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 2269 | Region->emitUntiedSwitch(CGF); | ||||||
| 2270 | } | ||||||
| 2271 | |||||||
| 2272 | void CGOpenMPRuntime::emitTaskgroupRegion(CodeGenFunction &CGF, | ||||||
| 2273 | const RegionCodeGenTy &TaskgroupOpGen, | ||||||
| 2274 | SourceLocation Loc) { | ||||||
| 2275 | if (!CGF.HaveInsertPoint()) | ||||||
| 2276 | return; | ||||||
| 2277 | // __kmpc_taskgroup(ident_t *, gtid); | ||||||
| 2278 | // TaskgroupOpGen(); | ||||||
| 2279 | // __kmpc_end_taskgroup(ident_t *, gtid); | ||||||
| 2280 | // Prepare arguments and build a call to __kmpc_taskgroup | ||||||
| 2281 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2282 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2283 | CGM.getModule(), OMPRTL___kmpc_taskgroup), | ||||||
| 2284 | Args, | ||||||
| 2285 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2286 | CGM.getModule(), OMPRTL___kmpc_end_taskgroup), | ||||||
| 2287 | Args); | ||||||
| 2288 | TaskgroupOpGen.setAction(Action); | ||||||
| 2289 | emitInlinedDirective(CGF, OMPD_taskgroup, TaskgroupOpGen); | ||||||
| 2290 | } | ||||||
| 2291 | |||||||
| 2292 | /// Given an array of pointers to variables, project the address of a | ||||||
| 2293 | /// given variable. | ||||||
| 2294 | static Address emitAddrOfVarFromArray(CodeGenFunction &CGF, Address Array, | ||||||
| 2295 | unsigned Index, const VarDecl *Var) { | ||||||
| 2296 | // Pull out the pointer to the variable. | ||||||
| 2297 | Address PtrAddr = CGF.Builder.CreateConstArrayGEP(Array, Index); | ||||||
| 2298 | llvm::Value *Ptr = CGF.Builder.CreateLoad(PtrAddr); | ||||||
| 2299 | |||||||
| 2300 | llvm::Type *ElemTy = CGF.ConvertTypeForMem(Var->getType()); | ||||||
| 2301 | return Address( | ||||||
| 2302 | CGF.Builder.CreateBitCast( | ||||||
| 2303 | Ptr, ElemTy->getPointerTo(Ptr->getType()->getPointerAddressSpace())), | ||||||
| 2304 | ElemTy, CGF.getContext().getDeclAlign(Var)); | ||||||
| 2305 | } | ||||||
| 2306 | |||||||
| 2307 | static llvm::Value *emitCopyprivateCopyFunction( | ||||||
| 2308 | CodeGenModule &CGM, llvm::Type *ArgsElemType, | ||||||
| 2309 | ArrayRef<const Expr *> CopyprivateVars, ArrayRef<const Expr *> DestExprs, | ||||||
| 2310 | ArrayRef<const Expr *> SrcExprs, ArrayRef<const Expr *> AssignmentOps, | ||||||
| 2311 | SourceLocation Loc) { | ||||||
| 2312 | ASTContext &C = CGM.getContext(); | ||||||
| 2313 | // void copy_func(void *LHSArg, void *RHSArg); | ||||||
| 2314 | FunctionArgList Args; | ||||||
| 2315 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 2316 | ImplicitParamDecl::Other); | ||||||
| 2317 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 2318 | ImplicitParamDecl::Other); | ||||||
| 2319 | Args.push_back(&LHSArg); | ||||||
| 2320 | Args.push_back(&RHSArg); | ||||||
| 2321 | const auto &CGFI = | ||||||
| 2322 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 2323 | std::string Name = | ||||||
| 2324 | CGM.getOpenMPRuntime().getName({"omp", "copyprivate", "copy_func"}); | ||||||
| 2325 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||||
| 2326 | llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 2327 | &CGM.getModule()); | ||||||
| 2328 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||||
| 2329 | Fn->setDoesNotRecurse(); | ||||||
| 2330 | CodeGenFunction CGF(CGM); | ||||||
| 2331 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||||
| 2332 | // Dest = (void*[n])(LHSArg); | ||||||
| 2333 | // Src = (void*[n])(RHSArg); | ||||||
| 2334 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2335 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||||
| 2336 | ArgsElemType->getPointerTo()), | ||||||
| 2337 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 2338 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2339 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||||
| 2340 | ArgsElemType->getPointerTo()), | ||||||
| 2341 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 2342 | // *(Type0*)Dst[0] = *(Type0*)Src[0]; | ||||||
| 2343 | // *(Type1*)Dst[1] = *(Type1*)Src[1]; | ||||||
| 2344 | // ... | ||||||
| 2345 | // *(Typen*)Dst[n] = *(Typen*)Src[n]; | ||||||
| 2346 | for (unsigned I = 0, E = AssignmentOps.size(); I < E; ++I) { | ||||||
| 2347 | const auto *DestVar = | ||||||
| 2348 | cast<VarDecl>(cast<DeclRefExpr>(DestExprs[I])->getDecl()); | ||||||
| 2349 | Address DestAddr = emitAddrOfVarFromArray(CGF, LHS, I, DestVar); | ||||||
| 2350 | |||||||
| 2351 | const auto *SrcVar = | ||||||
| 2352 | cast<VarDecl>(cast<DeclRefExpr>(SrcExprs[I])->getDecl()); | ||||||
| 2353 | Address SrcAddr = emitAddrOfVarFromArray(CGF, RHS, I, SrcVar); | ||||||
| 2354 | |||||||
| 2355 | const auto *VD = cast<DeclRefExpr>(CopyprivateVars[I])->getDecl(); | ||||||
| 2356 | QualType Type = VD->getType(); | ||||||
| 2357 | CGF.EmitOMPCopy(Type, DestAddr, SrcAddr, DestVar, SrcVar, AssignmentOps[I]); | ||||||
| 2358 | } | ||||||
| 2359 | CGF.FinishFunction(); | ||||||
| 2360 | return Fn; | ||||||
| 2361 | } | ||||||
| 2362 | |||||||
| 2363 | void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF, | ||||||
| 2364 | const RegionCodeGenTy &SingleOpGen, | ||||||
| 2365 | SourceLocation Loc, | ||||||
| 2366 | ArrayRef<const Expr *> CopyprivateVars, | ||||||
| 2367 | ArrayRef<const Expr *> SrcExprs, | ||||||
| 2368 | ArrayRef<const Expr *> DstExprs, | ||||||
| 2369 | ArrayRef<const Expr *> AssignmentOps) { | ||||||
| 2370 | if (!CGF.HaveInsertPoint()) | ||||||
| 2371 | return; | ||||||
| 2372 | 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", 2374, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2373 | 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", 2374, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2374 | 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", 2374, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2375 | ASTContext &C = CGM.getContext(); | ||||||
| 2376 | // int32 did_it = 0; | ||||||
| 2377 | // if(__kmpc_single(ident_t *, gtid)) { | ||||||
| 2378 | // SingleOpGen(); | ||||||
| 2379 | // __kmpc_end_single(ident_t *, gtid); | ||||||
| 2380 | // did_it = 1; | ||||||
| 2381 | // } | ||||||
| 2382 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||||
| 2383 | // <copy_func>, did_it); | ||||||
| 2384 | |||||||
| 2385 | Address DidIt = Address::invalid(); | ||||||
| 2386 | if (!CopyprivateVars.empty()) { | ||||||
| 2387 | // int32 did_it = 0; | ||||||
| 2388 | QualType KmpInt32Ty = | ||||||
| 2389 | C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||||
| 2390 | DidIt = CGF.CreateMemTemp(KmpInt32Ty, ".omp.copyprivate.did_it"); | ||||||
| 2391 | CGF.Builder.CreateStore(CGF.Builder.getInt32(0), DidIt); | ||||||
| 2392 | } | ||||||
| 2393 | // Prepare arguments and build a call to __kmpc_single | ||||||
| 2394 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2395 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2396 | CGM.getModule(), OMPRTL___kmpc_single), | ||||||
| 2397 | Args, | ||||||
| 2398 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2399 | CGM.getModule(), OMPRTL___kmpc_end_single), | ||||||
| 2400 | Args, | ||||||
| 2401 | /*Conditional=*/true); | ||||||
| 2402 | SingleOpGen.setAction(Action); | ||||||
| 2403 | emitInlinedDirective(CGF, OMPD_single, SingleOpGen); | ||||||
| 2404 | if (DidIt.isValid()) { | ||||||
| 2405 | // did_it = 1; | ||||||
| 2406 | CGF.Builder.CreateStore(CGF.Builder.getInt32(1), DidIt); | ||||||
| 2407 | } | ||||||
| 2408 | Action.Done(CGF); | ||||||
| 2409 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||||
| 2410 | // <copy_func>, did_it); | ||||||
| 2411 | if (DidIt.isValid()) { | ||||||
| 2412 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, CopyprivateVars.size()); | ||||||
| 2413 | QualType CopyprivateArrayTy = C.getConstantArrayType( | ||||||
| 2414 | C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||||
| 2415 | /*IndexTypeQuals=*/0); | ||||||
| 2416 | // Create a list of all private variables for copyprivate. | ||||||
| 2417 | Address CopyprivateList = | ||||||
| 2418 | CGF.CreateMemTemp(CopyprivateArrayTy, ".omp.copyprivate.cpr_list"); | ||||||
| 2419 | for (unsigned I = 0, E = CopyprivateVars.size(); I < E; ++I) { | ||||||
| 2420 | Address Elem = CGF.Builder.CreateConstArrayGEP(CopyprivateList, I); | ||||||
| 2421 | CGF.Builder.CreateStore( | ||||||
| 2422 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2423 | CGF.EmitLValue(CopyprivateVars[I]).getPointer(CGF), | ||||||
| 2424 | CGF.VoidPtrTy), | ||||||
| 2425 | Elem); | ||||||
| 2426 | } | ||||||
| 2427 | // Build function that copies private values from single region to all other | ||||||
| 2428 | // threads in the corresponding parallel region. | ||||||
| 2429 | llvm::Value *CpyFn = emitCopyprivateCopyFunction( | ||||||
| 2430 | CGM, CGF.ConvertTypeForMem(CopyprivateArrayTy), CopyprivateVars, | ||||||
| 2431 | SrcExprs, DstExprs, AssignmentOps, Loc); | ||||||
| 2432 | llvm::Value *BufSize = CGF.getTypeSize(CopyprivateArrayTy); | ||||||
| 2433 | Address CL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 2434 | CopyprivateList, CGF.VoidPtrTy, CGF.Int8Ty); | ||||||
| 2435 | llvm::Value *DidItVal = CGF.Builder.CreateLoad(DidIt); | ||||||
| 2436 | llvm::Value *Args[] = { | ||||||
| 2437 | emitUpdateLocation(CGF, Loc), // ident_t *<loc> | ||||||
| 2438 | getThreadID(CGF, Loc), // i32 <gtid> | ||||||
| 2439 | BufSize, // size_t <buf_size> | ||||||
| 2440 | CL.getPointer(), // void *<copyprivate list> | ||||||
| 2441 | CpyFn, // void (*) (void *, void *) <copy_func> | ||||||
| 2442 | DidItVal // i32 did_it | ||||||
| 2443 | }; | ||||||
| 2444 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2445 | CGM.getModule(), OMPRTL___kmpc_copyprivate), | ||||||
| 2446 | Args); | ||||||
| 2447 | } | ||||||
| 2448 | } | ||||||
| 2449 | |||||||
| 2450 | void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF, | ||||||
| 2451 | const RegionCodeGenTy &OrderedOpGen, | ||||||
| 2452 | SourceLocation Loc, bool IsThreads) { | ||||||
| 2453 | if (!CGF.HaveInsertPoint()) | ||||||
| 2454 | return; | ||||||
| 2455 | // __kmpc_ordered(ident_t *, gtid); | ||||||
| 2456 | // OrderedOpGen(); | ||||||
| 2457 | // __kmpc_end_ordered(ident_t *, gtid); | ||||||
| 2458 | // Prepare arguments and build a call to __kmpc_ordered | ||||||
| 2459 | if (IsThreads) { | ||||||
| 2460 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2461 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2462 | CGM.getModule(), OMPRTL___kmpc_ordered), | ||||||
| 2463 | Args, | ||||||
| 2464 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2465 | CGM.getModule(), OMPRTL___kmpc_end_ordered), | ||||||
| 2466 | Args); | ||||||
| 2467 | OrderedOpGen.setAction(Action); | ||||||
| 2468 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||||
| 2469 | return; | ||||||
| 2470 | } | ||||||
| 2471 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||||
| 2472 | } | ||||||
| 2473 | |||||||
| 2474 | unsigned CGOpenMPRuntime::getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind) { | ||||||
| 2475 | unsigned Flags; | ||||||
| 2476 | if (Kind == OMPD_for) | ||||||
| 2477 | Flags = OMP_IDENT_BARRIER_IMPL_FOR; | ||||||
| 2478 | else if (Kind == OMPD_sections) | ||||||
| 2479 | Flags = OMP_IDENT_BARRIER_IMPL_SECTIONS; | ||||||
| 2480 | else if (Kind == OMPD_single) | ||||||
| 2481 | Flags = OMP_IDENT_BARRIER_IMPL_SINGLE; | ||||||
| 2482 | else if (Kind == OMPD_barrier) | ||||||
| 2483 | Flags = OMP_IDENT_BARRIER_EXPL; | ||||||
| 2484 | else | ||||||
| 2485 | Flags = OMP_IDENT_BARRIER_IMPL; | ||||||
| 2486 | return Flags; | ||||||
| 2487 | } | ||||||
| 2488 | |||||||
| 2489 | void CGOpenMPRuntime::getDefaultScheduleAndChunk( | ||||||
| 2490 | CodeGenFunction &CGF, const OMPLoopDirective &S, | ||||||
| 2491 | OpenMPScheduleClauseKind &ScheduleKind, const Expr *&ChunkExpr) const { | ||||||
| 2492 | // Check if the loop directive is actually a doacross loop directive. In this | ||||||
| 2493 | // case choose static, 1 schedule. | ||||||
| 2494 | if (llvm::any_of( | ||||||
| 2495 | S.getClausesOfKind<OMPOrderedClause>(), | ||||||
| 2496 | [](const OMPOrderedClause *C) { return C->getNumForLoops(); })) { | ||||||
| 2497 | ScheduleKind = OMPC_SCHEDULE_static; | ||||||
| 2498 | // Chunk size is 1 in this case. | ||||||
| 2499 | llvm::APInt ChunkSize(32, 1); | ||||||
| 2500 | ChunkExpr = IntegerLiteral::Create( | ||||||
| 2501 | CGF.getContext(), ChunkSize, | ||||||
| 2502 | CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/0), | ||||||
| 2503 | SourceLocation()); | ||||||
| 2504 | } | ||||||
| 2505 | } | ||||||
| 2506 | |||||||
| 2507 | void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2508 | OpenMPDirectiveKind Kind, bool EmitChecks, | ||||||
| 2509 | bool ForceSimpleCall) { | ||||||
| 2510 | // Check if we should use the OMPBuilder | ||||||
| 2511 | auto *OMPRegionInfo = | ||||||
| 2512 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo); | ||||||
| 2513 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2514 | CGF.Builder.restoreIP(OMPBuilder.createBarrier( | ||||||
| 2515 | CGF.Builder, Kind, ForceSimpleCall, EmitChecks)); | ||||||
| 2516 | return; | ||||||
| 2517 | } | ||||||
| 2518 | |||||||
| 2519 | if (!CGF.HaveInsertPoint()) | ||||||
| 2520 | return; | ||||||
| 2521 | // Build call __kmpc_cancel_barrier(loc, thread_id); | ||||||
| 2522 | // Build call __kmpc_barrier(loc, thread_id); | ||||||
| 2523 | unsigned Flags = getDefaultFlagsForBarriers(Kind); | ||||||
| 2524 | // Build call __kmpc_cancel_barrier(loc, thread_id) or __kmpc_barrier(loc, | ||||||
| 2525 | // thread_id); | ||||||
| 2526 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, Flags), | ||||||
| 2527 | getThreadID(CGF, Loc)}; | ||||||
| 2528 | if (OMPRegionInfo) { | ||||||
| 2529 | if (!ForceSimpleCall && OMPRegionInfo->hasCancel()) { | ||||||
| 2530 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||||
| 2531 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | ||||||
| 2532 | OMPRTL___kmpc_cancel_barrier), | ||||||
| 2533 | Args); | ||||||
| 2534 | if (EmitChecks) { | ||||||
| 2535 | // if (__kmpc_cancel_barrier()) { | ||||||
| 2536 | // exit from construct; | ||||||
| 2537 | // } | ||||||
| 2538 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||||
| 2539 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||||
| 2540 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||||
| 2541 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||||
| 2542 | CGF.EmitBlock(ExitBB); | ||||||
| 2543 | // exit from construct; | ||||||
| 2544 | CodeGenFunction::JumpDest CancelDestination = | ||||||
| 2545 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||||
| 2546 | CGF.EmitBranchThroughCleanup(CancelDestination); | ||||||
| 2547 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||||
| 2548 | } | ||||||
| 2549 | return; | ||||||
| 2550 | } | ||||||
| 2551 | } | ||||||
| 2552 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2553 | CGM.getModule(), OMPRTL___kmpc_barrier), | ||||||
| 2554 | Args); | ||||||
| 2555 | } | ||||||
| 2556 | |||||||
| 2557 | void CGOpenMPRuntime::emitErrorCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2558 | Expr *ME, bool IsFatal) { | ||||||
| 2559 | llvm::Value *MVL = | ||||||
| 2560 | ME ? CGF.EmitStringLiteralLValue(cast<StringLiteral>(ME)).getPointer(CGF) | ||||||
| 2561 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 2562 | // Build call void __kmpc_error(ident_t *loc, int severity, const char | ||||||
| 2563 | // *message) | ||||||
| 2564 | llvm::Value *Args[] = { | ||||||
| 2565 | emitUpdateLocation(CGF, Loc, /*Flags=*/0, /*GenLoc=*/true), | ||||||
| 2566 | llvm::ConstantInt::get(CGM.Int32Ty, IsFatal ? 2 : 1), | ||||||
| 2567 | CGF.Builder.CreatePointerCast(MVL, CGM.Int8PtrTy)}; | ||||||
| 2568 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2569 | CGM.getModule(), OMPRTL___kmpc_error), | ||||||
| 2570 | Args); | ||||||
| 2571 | } | ||||||
| 2572 | |||||||
| 2573 | /// Map the OpenMP loop schedule to the runtime enumeration. | ||||||
| 2574 | static OpenMPSchedType getRuntimeSchedule(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2575 | bool Chunked, bool Ordered) { | ||||||
| 2576 | switch (ScheduleKind) { | ||||||
| 2577 | case OMPC_SCHEDULE_static: | ||||||
| 2578 | return Chunked ? (Ordered ? OMP_ord_static_chunked : OMP_sch_static_chunked) | ||||||
| 2579 | : (Ordered ? OMP_ord_static : OMP_sch_static); | ||||||
| 2580 | case OMPC_SCHEDULE_dynamic: | ||||||
| 2581 | return Ordered ? OMP_ord_dynamic_chunked : OMP_sch_dynamic_chunked; | ||||||
| 2582 | case OMPC_SCHEDULE_guided: | ||||||
| 2583 | return Ordered ? OMP_ord_guided_chunked : OMP_sch_guided_chunked; | ||||||
| 2584 | case OMPC_SCHEDULE_runtime: | ||||||
| 2585 | return Ordered ? OMP_ord_runtime : OMP_sch_runtime; | ||||||
| 2586 | case OMPC_SCHEDULE_auto: | ||||||
| 2587 | return Ordered ? OMP_ord_auto : OMP_sch_auto; | ||||||
| 2588 | case OMPC_SCHEDULE_unknown: | ||||||
| 2589 | 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", 2589, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2590 | return Ordered ? OMP_ord_static : OMP_sch_static; | ||||||
| 2591 | } | ||||||
| 2592 | llvm_unreachable("Unexpected runtime schedule")::llvm::llvm_unreachable_internal("Unexpected runtime schedule" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2592); | ||||||
| 2593 | } | ||||||
| 2594 | |||||||
| 2595 | /// Map the OpenMP distribute schedule to the runtime enumeration. | ||||||
| 2596 | static OpenMPSchedType | ||||||
| 2597 | getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) { | ||||||
| 2598 | // only static is allowed for dist_schedule | ||||||
| 2599 | return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static; | ||||||
| 2600 | } | ||||||
| 2601 | |||||||
| 2602 | bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2603 | bool Chunked) const { | ||||||
| 2604 | OpenMPSchedType Schedule = | ||||||
| 2605 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||||
| 2606 | return Schedule == OMP_sch_static; | ||||||
| 2607 | } | ||||||
| 2608 | |||||||
| 2609 | bool CGOpenMPRuntime::isStaticNonchunked( | ||||||
| 2610 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||||
| 2611 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||||
| 2612 | return Schedule == OMP_dist_sch_static; | ||||||
| 2613 | } | ||||||
| 2614 | |||||||
| 2615 | bool CGOpenMPRuntime::isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, | ||||||
| 2616 | bool Chunked) const { | ||||||
| 2617 | OpenMPSchedType Schedule = | ||||||
| 2618 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||||
| 2619 | return Schedule == OMP_sch_static_chunked; | ||||||
| 2620 | } | ||||||
| 2621 | |||||||
| 2622 | bool CGOpenMPRuntime::isStaticChunked( | ||||||
| 2623 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||||
| 2624 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||||
| 2625 | return Schedule == OMP_dist_sch_static_chunked; | ||||||
| 2626 | } | ||||||
| 2627 | |||||||
| 2628 | bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const { | ||||||
| 2629 | OpenMPSchedType Schedule = | ||||||
| 2630 | getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false); | ||||||
| 2631 | 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", 2631, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2632 | return Schedule != OMP_sch_static; | ||||||
| 2633 | } | ||||||
| 2634 | |||||||
| 2635 | static int addMonoNonMonoModifier(CodeGenModule &CGM, OpenMPSchedType Schedule, | ||||||
| 2636 | OpenMPScheduleClauseModifier M1, | ||||||
| 2637 | OpenMPScheduleClauseModifier M2) { | ||||||
| 2638 | int Modifier = 0; | ||||||
| 2639 | switch (M1) { | ||||||
| 2640 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||||
| 2641 | Modifier = OMP_sch_modifier_monotonic; | ||||||
| 2642 | break; | ||||||
| 2643 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||||
| 2644 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2645 | break; | ||||||
| 2646 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||||
| 2647 | if (Schedule == OMP_sch_static_chunked) | ||||||
| 2648 | Schedule = OMP_sch_static_balanced_chunked; | ||||||
| 2649 | break; | ||||||
| 2650 | case OMPC_SCHEDULE_MODIFIER_last: | ||||||
| 2651 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||||
| 2652 | break; | ||||||
| 2653 | } | ||||||
| 2654 | switch (M2) { | ||||||
| 2655 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||||
| 2656 | Modifier = OMP_sch_modifier_monotonic; | ||||||
| 2657 | break; | ||||||
| 2658 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||||
| 2659 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2660 | break; | ||||||
| 2661 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||||
| 2662 | if (Schedule == OMP_sch_static_chunked) | ||||||
| 2663 | Schedule = OMP_sch_static_balanced_chunked; | ||||||
| 2664 | break; | ||||||
| 2665 | case OMPC_SCHEDULE_MODIFIER_last: | ||||||
| 2666 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||||
| 2667 | break; | ||||||
| 2668 | } | ||||||
| 2669 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Desription. | ||||||
| 2670 | // If the static schedule kind is specified or if the ordered clause is | ||||||
| 2671 | // specified, and if the nonmonotonic modifier is not specified, the effect is | ||||||
| 2672 | // as if the monotonic modifier is specified. Otherwise, unless the monotonic | ||||||
| 2673 | // modifier is specified, the effect is as if the nonmonotonic modifier is | ||||||
| 2674 | // specified. | ||||||
| 2675 | if (CGM.getLangOpts().OpenMP >= 50 && Modifier == 0) { | ||||||
| 2676 | if (!(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static || | ||||||
| 2677 | Schedule == OMP_sch_static_balanced_chunked || | ||||||
| 2678 | Schedule == OMP_ord_static_chunked || Schedule == OMP_ord_static || | ||||||
| 2679 | Schedule == OMP_dist_sch_static_chunked || | ||||||
| 2680 | Schedule == OMP_dist_sch_static)) | ||||||
| 2681 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||||
| 2682 | } | ||||||
| 2683 | return Schedule | Modifier; | ||||||
| 2684 | } | ||||||
| 2685 | |||||||
| 2686 | void CGOpenMPRuntime::emitForDispatchInit( | ||||||
| 2687 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2688 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | ||||||
| 2689 | bool Ordered, const DispatchRTInput &DispatchValues) { | ||||||
| 2690 | if (!CGF.HaveInsertPoint()) | ||||||
| 2691 | return; | ||||||
| 2692 | OpenMPSchedType Schedule = getRuntimeSchedule( | ||||||
| 2693 | ScheduleKind.Schedule, DispatchValues.Chunk != nullptr, Ordered); | ||||||
| 2694 | 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", 2697, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2695 | (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", 2697, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2696 | 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", 2697, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2697 | 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", 2697, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2698 | // Call __kmpc_dispatch_init( | ||||||
| 2699 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedule, | ||||||
| 2700 | // kmp_int[32|64] lower, kmp_int[32|64] upper, | ||||||
| 2701 | // kmp_int[32|64] stride, kmp_int[32|64] chunk); | ||||||
| 2702 | |||||||
| 2703 | // If the Chunk was not specified in the clause - use default value 1. | ||||||
| 2704 | llvm::Value *Chunk = DispatchValues.Chunk ? DispatchValues.Chunk | ||||||
| 2705 | : CGF.Builder.getIntN(IVSize, 1); | ||||||
| 2706 | llvm::Value *Args[] = { | ||||||
| 2707 | emitUpdateLocation(CGF, Loc), | ||||||
| 2708 | getThreadID(CGF, Loc), | ||||||
| 2709 | CGF.Builder.getInt32(addMonoNonMonoModifier( | ||||||
| 2710 | CGM, Schedule, ScheduleKind.M1, ScheduleKind.M2)), // Schedule type | ||||||
| 2711 | DispatchValues.LB, // Lower | ||||||
| 2712 | DispatchValues.UB, // Upper | ||||||
| 2713 | CGF.Builder.getIntN(IVSize, 1), // Stride | ||||||
| 2714 | Chunk // Chunk | ||||||
| 2715 | }; | ||||||
| 2716 | CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args); | ||||||
| 2717 | } | ||||||
| 2718 | |||||||
| 2719 | static void emitForStaticInitCall( | ||||||
| 2720 | CodeGenFunction &CGF, llvm::Value *UpdateLocation, llvm::Value *ThreadId, | ||||||
| 2721 | llvm::FunctionCallee ForStaticInitFunction, OpenMPSchedType Schedule, | ||||||
| 2722 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||||
| 2723 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||||
| 2724 | if (!CGF.HaveInsertPoint()) | ||||||
| 2725 | return; | ||||||
| 2726 | |||||||
| 2727 | assert(!Values.Ordered)(static_cast <bool> (!Values.Ordered) ? void (0) : __assert_fail ("!Values.Ordered", "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 2727, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2728 | 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", 2732, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2729 | 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", 2732, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2730 | 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", 2732, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2731 | 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", 2732, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2732 | 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", 2732, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2733 | |||||||
| 2734 | // Call __kmpc_for_static_init( | ||||||
| 2735 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedtype, | ||||||
| 2736 | // kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower, | ||||||
| 2737 | // kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride, | ||||||
| 2738 | // kmp_int[32|64] incr, kmp_int[32|64] chunk); | ||||||
| 2739 | llvm::Value *Chunk = Values.Chunk; | ||||||
| 2740 | if (Chunk == nullptr) { | ||||||
| 2741 | 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", 2743, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2742 | 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", 2743, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2743 | "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", 2743, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2744 | // If the Chunk was not specified in the clause - use default value 1. | ||||||
| 2745 | Chunk = CGF.Builder.getIntN(Values.IVSize, 1); | ||||||
| 2746 | } else { | ||||||
| 2747 | 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", 2751, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2748 | 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", 2751, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2749 | 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", 2751, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2750 | 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", 2751, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2751 | "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", 2751, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2752 | } | ||||||
| 2753 | llvm::Value *Args[] = { | ||||||
| 2754 | UpdateLocation, | ||||||
| 2755 | ThreadId, | ||||||
| 2756 | CGF.Builder.getInt32(addMonoNonMonoModifier(CGF.CGM, Schedule, M1, | ||||||
| 2757 | M2)), // Schedule type | ||||||
| 2758 | Values.IL.getPointer(), // &isLastIter | ||||||
| 2759 | Values.LB.getPointer(), // &LB | ||||||
| 2760 | Values.UB.getPointer(), // &UB | ||||||
| 2761 | Values.ST.getPointer(), // &Stride | ||||||
| 2762 | CGF.Builder.getIntN(Values.IVSize, 1), // Incr | ||||||
| 2763 | Chunk // Chunk | ||||||
| 2764 | }; | ||||||
| 2765 | CGF.EmitRuntimeCall(ForStaticInitFunction, Args); | ||||||
| 2766 | } | ||||||
| 2767 | |||||||
| 2768 | void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF, | ||||||
| 2769 | SourceLocation Loc, | ||||||
| 2770 | OpenMPDirectiveKind DKind, | ||||||
| 2771 | const OpenMPScheduleTy &ScheduleKind, | ||||||
| 2772 | const StaticRTInput &Values) { | ||||||
| 2773 | OpenMPSchedType ScheduleNum = getRuntimeSchedule( | ||||||
| 2774 | ScheduleKind.Schedule, Values.Chunk != nullptr, Values.Ordered); | ||||||
| 2775 | 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", 2776, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 2776 | "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", 2776, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2777 | llvm::Value *UpdatedLocation = emitUpdateLocation(CGF, Loc, | ||||||
| 2778 | isOpenMPLoopDirective(DKind) | ||||||
| 2779 | ? OMP_IDENT_WORK_LOOP | ||||||
| 2780 | : OMP_IDENT_WORK_SECTIONS); | ||||||
| 2781 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 2782 | llvm::FunctionCallee StaticInitFunction = | ||||||
| 2783 | createForStaticInitFunction(Values.IVSize, Values.IVSigned, false); | ||||||
| 2784 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||||
| 2785 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||||
| 2786 | ScheduleNum, ScheduleKind.M1, ScheduleKind.M2, Values); | ||||||
| 2787 | } | ||||||
| 2788 | |||||||
| 2789 | void CGOpenMPRuntime::emitDistributeStaticInit( | ||||||
| 2790 | CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 2791 | OpenMPDistScheduleClauseKind SchedKind, | ||||||
| 2792 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||||
| 2793 | OpenMPSchedType ScheduleNum = | ||||||
| 2794 | getRuntimeSchedule(SchedKind, Values.Chunk != nullptr); | ||||||
| 2795 | llvm::Value *UpdatedLocation = | ||||||
| 2796 | emitUpdateLocation(CGF, Loc, OMP_IDENT_WORK_DISTRIBUTE); | ||||||
| 2797 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 2798 | llvm::FunctionCallee StaticInitFunction; | ||||||
| 2799 | bool isGPUDistribute = | ||||||
| 2800 | CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 2801 | (CGM.getTriple().isAMDGCN() || CGM.getTriple().isNVPTX()); | ||||||
| 2802 | StaticInitFunction = createForStaticInitFunction( | ||||||
| 2803 | Values.IVSize, Values.IVSigned, isGPUDistribute); | ||||||
| 2804 | |||||||
| 2805 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||||
| 2806 | ScheduleNum, OMPC_SCHEDULE_MODIFIER_unknown, | ||||||
| 2807 | OMPC_SCHEDULE_MODIFIER_unknown, Values); | ||||||
| 2808 | } | ||||||
| 2809 | |||||||
| 2810 | void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF, | ||||||
| 2811 | SourceLocation Loc, | ||||||
| 2812 | OpenMPDirectiveKind DKind) { | ||||||
| 2813 | if (!CGF.HaveInsertPoint()) | ||||||
| 2814 | return; | ||||||
| 2815 | // Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid); | ||||||
| 2816 | llvm::Value *Args[] = { | ||||||
| 2817 | emitUpdateLocation(CGF, Loc, | ||||||
| 2818 | isOpenMPDistributeDirective(DKind) | ||||||
| 2819 | ? OMP_IDENT_WORK_DISTRIBUTE | ||||||
| 2820 | : isOpenMPLoopDirective(DKind) | ||||||
| 2821 | ? OMP_IDENT_WORK_LOOP | ||||||
| 2822 | : OMP_IDENT_WORK_SECTIONS), | ||||||
| 2823 | getThreadID(CGF, Loc)}; | ||||||
| 2824 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||||
| 2825 | if (isOpenMPDistributeDirective(DKind) && CGM.getLangOpts().OpenMPIsDevice && | ||||||
| 2826 | (CGM.getTriple().isAMDGCN() || CGM.getTriple().isNVPTX())) | ||||||
| 2827 | CGF.EmitRuntimeCall( | ||||||
| 2828 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2829 | CGM.getModule(), OMPRTL___kmpc_distribute_static_fini), | ||||||
| 2830 | Args); | ||||||
| 2831 | else | ||||||
| 2832 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2833 | CGM.getModule(), OMPRTL___kmpc_for_static_fini), | ||||||
| 2834 | Args); | ||||||
| 2835 | } | ||||||
| 2836 | |||||||
| 2837 | void CGOpenMPRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | ||||||
| 2838 | SourceLocation Loc, | ||||||
| 2839 | unsigned IVSize, | ||||||
| 2840 | bool IVSigned) { | ||||||
| 2841 | if (!CGF.HaveInsertPoint()) | ||||||
| 2842 | return; | ||||||
| 2843 | // Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid); | ||||||
| 2844 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||||
| 2845 | CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args); | ||||||
| 2846 | } | ||||||
| 2847 | |||||||
| 2848 | llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF, | ||||||
| 2849 | SourceLocation Loc, unsigned IVSize, | ||||||
| 2850 | bool IVSigned, Address IL, | ||||||
| 2851 | Address LB, Address UB, | ||||||
| 2852 | Address ST) { | ||||||
| 2853 | // Call __kmpc_dispatch_next( | ||||||
| 2854 | // ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, | ||||||
| 2855 | // kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, | ||||||
| 2856 | // kmp_int[32|64] *p_stride); | ||||||
| 2857 | llvm::Value *Args[] = { | ||||||
| 2858 | emitUpdateLocation(CGF, Loc), | ||||||
| 2859 | getThreadID(CGF, Loc), | ||||||
| 2860 | IL.getPointer(), // &isLastIter | ||||||
| 2861 | LB.getPointer(), // &Lower | ||||||
| 2862 | UB.getPointer(), // &Upper | ||||||
| 2863 | ST.getPointer() // &Stride | ||||||
| 2864 | }; | ||||||
| 2865 | llvm::Value *Call = | ||||||
| 2866 | CGF.EmitRuntimeCall(createDispatchNextFunction(IVSize, IVSigned), Args); | ||||||
| 2867 | return CGF.EmitScalarConversion( | ||||||
| 2868 | Call, CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/1), | ||||||
| 2869 | CGF.getContext().BoolTy, Loc); | ||||||
| 2870 | } | ||||||
| 2871 | |||||||
| 2872 | void CGOpenMPRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | ||||||
| 2873 | llvm::Value *NumThreads, | ||||||
| 2874 | SourceLocation Loc) { | ||||||
| 2875 | if (!CGF.HaveInsertPoint()) | ||||||
| 2876 | return; | ||||||
| 2877 | // Build call __kmpc_push_num_threads(&loc, global_tid, num_threads) | ||||||
| 2878 | llvm::Value *Args[] = { | ||||||
| 2879 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2880 | CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned*/ true)}; | ||||||
| 2881 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2882 | CGM.getModule(), OMPRTL___kmpc_push_num_threads), | ||||||
| 2883 | Args); | ||||||
| 2884 | } | ||||||
| 2885 | |||||||
| 2886 | void CGOpenMPRuntime::emitProcBindClause(CodeGenFunction &CGF, | ||||||
| 2887 | ProcBindKind ProcBind, | ||||||
| 2888 | SourceLocation Loc) { | ||||||
| 2889 | if (!CGF.HaveInsertPoint()) | ||||||
| 2890 | return; | ||||||
| 2891 | 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", 2891, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 2892 | // Build call __kmpc_push_proc_bind(&loc, global_tid, proc_bind) | ||||||
| 2893 | llvm::Value *Args[] = { | ||||||
| 2894 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||||
| 2895 | llvm::ConstantInt::get(CGM.IntTy, unsigned(ProcBind), /*isSigned=*/true)}; | ||||||
| 2896 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2897 | CGM.getModule(), OMPRTL___kmpc_push_proc_bind), | ||||||
| 2898 | Args); | ||||||
| 2899 | } | ||||||
| 2900 | |||||||
| 2901 | void CGOpenMPRuntime::emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *>, | ||||||
| 2902 | SourceLocation Loc, llvm::AtomicOrdering AO) { | ||||||
| 2903 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | ||||||
| 2904 | OMPBuilder.createFlush(CGF.Builder); | ||||||
| 2905 | } else { | ||||||
| 2906 | if (!CGF.HaveInsertPoint()) | ||||||
| 2907 | return; | ||||||
| 2908 | // Build call void __kmpc_flush(ident_t *loc) | ||||||
| 2909 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 2910 | CGM.getModule(), OMPRTL___kmpc_flush), | ||||||
| 2911 | emitUpdateLocation(CGF, Loc)); | ||||||
| 2912 | } | ||||||
| 2913 | } | ||||||
| 2914 | |||||||
| 2915 | namespace { | ||||||
| 2916 | /// Indexes of fields for type kmp_task_t. | ||||||
| 2917 | enum KmpTaskTFields { | ||||||
| 2918 | /// List of shared variables. | ||||||
| 2919 | KmpTaskTShareds, | ||||||
| 2920 | /// Task routine. | ||||||
| 2921 | KmpTaskTRoutine, | ||||||
| 2922 | /// Partition id for the untied tasks. | ||||||
| 2923 | KmpTaskTPartId, | ||||||
| 2924 | /// Function with call of destructors for private variables. | ||||||
| 2925 | Data1, | ||||||
| 2926 | /// Task priority. | ||||||
| 2927 | Data2, | ||||||
| 2928 | /// (Taskloops only) Lower bound. | ||||||
| 2929 | KmpTaskTLowerBound, | ||||||
| 2930 | /// (Taskloops only) Upper bound. | ||||||
| 2931 | KmpTaskTUpperBound, | ||||||
| 2932 | /// (Taskloops only) Stride. | ||||||
| 2933 | KmpTaskTStride, | ||||||
| 2934 | /// (Taskloops only) Is last iteration flag. | ||||||
| 2935 | KmpTaskTLastIter, | ||||||
| 2936 | /// (Taskloops only) Reduction data. | ||||||
| 2937 | KmpTaskTReductions, | ||||||
| 2938 | }; | ||||||
| 2939 | } // anonymous namespace | ||||||
| 2940 | |||||||
| 2941 | void CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() { | ||||||
| 2942 | // If we are in simd mode or there are no entries, we don't need to do | ||||||
| 2943 | // anything. | ||||||
| 2944 | if (CGM.getLangOpts().OpenMPSimd || OMPBuilder.OffloadInfoManager.empty()) | ||||||
| 2945 | return; | ||||||
| 2946 | |||||||
| 2947 | llvm::OpenMPIRBuilder::EmitMetadataErrorReportFunctionTy &&ErrorReportFn = | ||||||
| 2948 | [this](llvm::OpenMPIRBuilder::EmitMetadataErrorKind Kind, | ||||||
| 2949 | const llvm::TargetRegionEntryInfo &EntryInfo) -> void { | ||||||
| 2950 | SourceLocation Loc; | ||||||
| 2951 | if (Kind != llvm::OpenMPIRBuilder::EMIT_MD_GLOBAL_VAR_LINK_ERROR) { | ||||||
| 2952 | for (auto I = CGM.getContext().getSourceManager().fileinfo_begin(), | ||||||
| 2953 | E = CGM.getContext().getSourceManager().fileinfo_end(); | ||||||
| 2954 | I != E; ++I) { | ||||||
| 2955 | if (I->getFirst()->getUniqueID().getDevice() == EntryInfo.DeviceID && | ||||||
| 2956 | I->getFirst()->getUniqueID().getFile() == EntryInfo.FileID) { | ||||||
| 2957 | Loc = CGM.getContext().getSourceManager().translateFileLineCol( | ||||||
| 2958 | I->getFirst(), EntryInfo.Line, 1); | ||||||
| 2959 | break; | ||||||
| 2960 | } | ||||||
| 2961 | } | ||||||
| 2962 | } | ||||||
| 2963 | switch (Kind) { | ||||||
| 2964 | case llvm::OpenMPIRBuilder::EMIT_MD_TARGET_REGION_ERROR: { | ||||||
| 2965 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2966 | DiagnosticsEngine::Error, "Offloading entry for target region in " | ||||||
| 2967 | "%0 is incorrect: either the " | ||||||
| 2968 | "address or the ID is invalid."); | ||||||
| 2969 | CGM.getDiags().Report(Loc, DiagID) << EntryInfo.ParentName; | ||||||
| 2970 | } break; | ||||||
| 2971 | case llvm::OpenMPIRBuilder::EMIT_MD_DECLARE_TARGET_ERROR: { | ||||||
| 2972 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2973 | DiagnosticsEngine::Error, "Offloading entry for declare target " | ||||||
| 2974 | "variable %0 is incorrect: the " | ||||||
| 2975 | "address is invalid."); | ||||||
| 2976 | CGM.getDiags().Report(Loc, DiagID) << EntryInfo.ParentName; | ||||||
| 2977 | } break; | ||||||
| 2978 | case llvm::OpenMPIRBuilder::EMIT_MD_GLOBAL_VAR_LINK_ERROR: { | ||||||
| 2979 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 2980 | DiagnosticsEngine::Error, | ||||||
| 2981 | "Offloading entry for declare target variable is incorrect: the " | ||||||
| 2982 | "address is invalid."); | ||||||
| 2983 | CGM.getDiags().Report(DiagID); | ||||||
| 2984 | } break; | ||||||
| 2985 | } | ||||||
| 2986 | }; | ||||||
| 2987 | |||||||
| 2988 | OMPBuilder.createOffloadEntriesAndInfoMetadata(ErrorReportFn); | ||||||
| 2989 | } | ||||||
| 2990 | |||||||
| 2991 | /// Loads all the offload entries information from the host IR | ||||||
| 2992 | /// metadata. | ||||||
| 2993 | void CGOpenMPRuntime::loadOffloadInfoMetadata() { | ||||||
| 2994 | // If we are in target mode, load the metadata from the host IR. This code has | ||||||
| 2995 | // to match the metadaata creation in createOffloadEntriesAndInfoMetadata(). | ||||||
| 2996 | |||||||
| 2997 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||||
| 2998 | return; | ||||||
| 2999 | |||||||
| 3000 | if (CGM.getLangOpts().OMPHostIRFile.empty()) | ||||||
| 3001 | return; | ||||||
| 3002 | |||||||
| 3003 | auto Buf = llvm::MemoryBuffer::getFile(CGM.getLangOpts().OMPHostIRFile); | ||||||
| 3004 | if (auto EC = Buf.getError()) { | ||||||
| 3005 | CGM.getDiags().Report(diag::err_cannot_open_file) | ||||||
| 3006 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||||
| 3007 | return; | ||||||
| 3008 | } | ||||||
| 3009 | |||||||
| 3010 | llvm::LLVMContext C; | ||||||
| 3011 | auto ME = expectedToErrorOrAndEmitErrors( | ||||||
| 3012 | C, llvm::parseBitcodeFile(Buf.get()->getMemBufferRef(), C)); | ||||||
| 3013 | |||||||
| 3014 | if (auto EC = ME.getError()) { | ||||||
| 3015 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||||
| 3016 | DiagnosticsEngine::Error, "Unable to parse host IR file '%0':'%1'"); | ||||||
| 3017 | CGM.getDiags().Report(DiagID) | ||||||
| 3018 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||||
| 3019 | return; | ||||||
| 3020 | } | ||||||
| 3021 | |||||||
| 3022 | OMPBuilder.loadOffloadInfoMetadata(*ME.get()); | ||||||
| 3023 | } | ||||||
| 3024 | |||||||
| 3025 | void CGOpenMPRuntime::emitKmpRoutineEntryT(QualType KmpInt32Ty) { | ||||||
| 3026 | if (!KmpRoutineEntryPtrTy) { | ||||||
| 3027 | // Build typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); type. | ||||||
| 3028 | ASTContext &C = CGM.getContext(); | ||||||
| 3029 | QualType KmpRoutineEntryTyArgs[] = {KmpInt32Ty, C.VoidPtrTy}; | ||||||
| 3030 | FunctionProtoType::ExtProtoInfo EPI; | ||||||
| 3031 | KmpRoutineEntryPtrQTy = C.getPointerType( | ||||||
| 3032 | C.getFunctionType(KmpInt32Ty, KmpRoutineEntryTyArgs, EPI)); | ||||||
| 3033 | KmpRoutineEntryPtrTy = CGM.getTypes().ConvertType(KmpRoutineEntryPtrQTy); | ||||||
| 3034 | } | ||||||
| 3035 | } | ||||||
| 3036 | |||||||
| 3037 | namespace { | ||||||
| 3038 | struct PrivateHelpersTy { | ||||||
| 3039 | PrivateHelpersTy(const Expr *OriginalRef, const VarDecl *Original, | ||||||
| 3040 | const VarDecl *PrivateCopy, const VarDecl *PrivateElemInit) | ||||||
| 3041 | : OriginalRef(OriginalRef), Original(Original), PrivateCopy(PrivateCopy), | ||||||
| 3042 | PrivateElemInit(PrivateElemInit) {} | ||||||
| 3043 | PrivateHelpersTy(const VarDecl *Original) : Original(Original) {} | ||||||
| 3044 | const Expr *OriginalRef = nullptr; | ||||||
| 3045 | const VarDecl *Original = nullptr; | ||||||
| 3046 | const VarDecl *PrivateCopy = nullptr; | ||||||
| 3047 | const VarDecl *PrivateElemInit = nullptr; | ||||||
| 3048 | bool isLocalPrivate() const { | ||||||
| 3049 | return !OriginalRef && !PrivateCopy && !PrivateElemInit; | ||||||
| 3050 | } | ||||||
| 3051 | }; | ||||||
| 3052 | typedef std::pair<CharUnits /*Align*/, PrivateHelpersTy> PrivateDataTy; | ||||||
| 3053 | } // anonymous namespace | ||||||
| 3054 | |||||||
| 3055 | static bool isAllocatableDecl(const VarDecl *VD) { | ||||||
| 3056 | const VarDecl *CVD = VD->getCanonicalDecl(); | ||||||
| 3057 | if (!CVD->hasAttr<OMPAllocateDeclAttr>()) | ||||||
| 3058 | return false; | ||||||
| 3059 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | ||||||
| 3060 | // Use the default allocation. | ||||||
| 3061 | return !(AA->getAllocatorType() == OMPAllocateDeclAttr::OMPDefaultMemAlloc && | ||||||
| 3062 | !AA->getAllocator()); | ||||||
| 3063 | } | ||||||
| 3064 | |||||||
| 3065 | static RecordDecl * | ||||||
| 3066 | createPrivatesRecordDecl(CodeGenModule &CGM, ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3067 | if (!Privates.empty()) { | ||||||
| 3068 | ASTContext &C = CGM.getContext(); | ||||||
| 3069 | // Build struct .kmp_privates_t. { | ||||||
| 3070 | // /* private vars */ | ||||||
| 3071 | // }; | ||||||
| 3072 | RecordDecl *RD = C.buildImplicitRecord(".kmp_privates.t"); | ||||||
| 3073 | RD->startDefinition(); | ||||||
| 3074 | for (const auto &Pair : Privates) { | ||||||
| 3075 | const VarDecl *VD = Pair.second.Original; | ||||||
| 3076 | QualType Type = VD->getType().getNonReferenceType(); | ||||||
| 3077 | // If the private variable is a local variable with lvalue ref type, | ||||||
| 3078 | // allocate the pointer instead of the pointee type. | ||||||
| 3079 | if (Pair.second.isLocalPrivate()) { | ||||||
| 3080 | if (VD->getType()->isLValueReferenceType()) | ||||||
| 3081 | Type = C.getPointerType(Type); | ||||||
| 3082 | if (isAllocatableDecl(VD)) | ||||||
| 3083 | Type = C.getPointerType(Type); | ||||||
| 3084 | } | ||||||
| 3085 | FieldDecl *FD = addFieldToRecordDecl(C, RD, Type); | ||||||
| 3086 | if (VD->hasAttrs()) { | ||||||
| 3087 | for (specific_attr_iterator<AlignedAttr> I(VD->getAttrs().begin()), | ||||||
| 3088 | E(VD->getAttrs().end()); | ||||||
| 3089 | I != E; ++I) | ||||||
| 3090 | FD->addAttr(*I); | ||||||
| 3091 | } | ||||||
| 3092 | } | ||||||
| 3093 | RD->completeDefinition(); | ||||||
| 3094 | return RD; | ||||||
| 3095 | } | ||||||
| 3096 | return nullptr; | ||||||
| 3097 | } | ||||||
| 3098 | |||||||
| 3099 | static RecordDecl * | ||||||
| 3100 | createKmpTaskTRecordDecl(CodeGenModule &CGM, OpenMPDirectiveKind Kind, | ||||||
| 3101 | QualType KmpInt32Ty, | ||||||
| 3102 | QualType KmpRoutineEntryPointerQTy) { | ||||||
| 3103 | ASTContext &C = CGM.getContext(); | ||||||
| 3104 | // Build struct kmp_task_t { | ||||||
| 3105 | // void * shareds; | ||||||
| 3106 | // kmp_routine_entry_t routine; | ||||||
| 3107 | // kmp_int32 part_id; | ||||||
| 3108 | // kmp_cmplrdata_t data1; | ||||||
| 3109 | // kmp_cmplrdata_t data2; | ||||||
| 3110 | // For taskloops additional fields: | ||||||
| 3111 | // kmp_uint64 lb; | ||||||
| 3112 | // kmp_uint64 ub; | ||||||
| 3113 | // kmp_int64 st; | ||||||
| 3114 | // kmp_int32 liter; | ||||||
| 3115 | // void * reductions; | ||||||
| 3116 | // }; | ||||||
| 3117 | RecordDecl *UD = C.buildImplicitRecord("kmp_cmplrdata_t", TTK_Union); | ||||||
| 3118 | UD->startDefinition(); | ||||||
| 3119 | addFieldToRecordDecl(C, UD, KmpInt32Ty); | ||||||
| 3120 | addFieldToRecordDecl(C, UD, KmpRoutineEntryPointerQTy); | ||||||
| 3121 | UD->completeDefinition(); | ||||||
| 3122 | QualType KmpCmplrdataTy = C.getRecordType(UD); | ||||||
| 3123 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t"); | ||||||
| 3124 | RD->startDefinition(); | ||||||
| 3125 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 3126 | addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy); | ||||||
| 3127 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||||
| 3128 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||||
| 3129 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||||
| 3130 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||||
| 3131 | QualType KmpUInt64Ty = | ||||||
| 3132 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||||
| 3133 | QualType KmpInt64Ty = | ||||||
| 3134 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||||
| 3135 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||||
| 3136 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||||
| 3137 | addFieldToRecordDecl(C, RD, KmpInt64Ty); | ||||||
| 3138 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||||
| 3139 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 3140 | } | ||||||
| 3141 | RD->completeDefinition(); | ||||||
| 3142 | return RD; | ||||||
| 3143 | } | ||||||
| 3144 | |||||||
| 3145 | static RecordDecl * | ||||||
| 3146 | createKmpTaskTWithPrivatesRecordDecl(CodeGenModule &CGM, QualType KmpTaskTQTy, | ||||||
| 3147 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3148 | ASTContext &C = CGM.getContext(); | ||||||
| 3149 | // Build struct kmp_task_t_with_privates { | ||||||
| 3150 | // kmp_task_t task_data; | ||||||
| 3151 | // .kmp_privates_t. privates; | ||||||
| 3152 | // }; | ||||||
| 3153 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t_with_privates"); | ||||||
| 3154 | RD->startDefinition(); | ||||||
| 3155 | addFieldToRecordDecl(C, RD, KmpTaskTQTy); | ||||||
| 3156 | if (const RecordDecl *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) | ||||||
| 3157 | addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD)); | ||||||
| 3158 | RD->completeDefinition(); | ||||||
| 3159 | return RD; | ||||||
| 3160 | } | ||||||
| 3161 | |||||||
| 3162 | /// Emit a proxy function which accepts kmp_task_t as the second | ||||||
| 3163 | /// argument. | ||||||
| 3164 | /// \code | ||||||
| 3165 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { | ||||||
| 3166 | /// TaskFunction(gtid, tt->part_id, &tt->privates, task_privates_map, tt, | ||||||
| 3167 | /// For taskloops: | ||||||
| 3168 | /// tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||||
| 3169 | /// tt->reductions, tt->shareds); | ||||||
| 3170 | /// return 0; | ||||||
| 3171 | /// } | ||||||
| 3172 | /// \endcode | ||||||
| 3173 | static llvm::Function * | ||||||
| 3174 | emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3175 | OpenMPDirectiveKind Kind, QualType KmpInt32Ty, | ||||||
| 3176 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3177 | QualType KmpTaskTWithPrivatesQTy, QualType KmpTaskTQTy, | ||||||
| 3178 | QualType SharedsPtrTy, llvm::Function *TaskFunction, | ||||||
| 3179 | llvm::Value *TaskPrivatesMap) { | ||||||
| 3180 | ASTContext &C = CGM.getContext(); | ||||||
| 3181 | FunctionArgList Args; | ||||||
| 3182 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||||
| 3183 | ImplicitParamDecl::Other); | ||||||
| 3184 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3185 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||||
| 3186 | ImplicitParamDecl::Other); | ||||||
| 3187 | Args.push_back(&GtidArg); | ||||||
| 3188 | Args.push_back(&TaskTypeArg); | ||||||
| 3189 | const auto &TaskEntryFnInfo = | ||||||
| 3190 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||||
| 3191 | llvm::FunctionType *TaskEntryTy = | ||||||
| 3192 | CGM.getTypes().GetFunctionType(TaskEntryFnInfo); | ||||||
| 3193 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_entry", ""}); | ||||||
| 3194 | auto *TaskEntry = llvm::Function::Create( | ||||||
| 3195 | TaskEntryTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||||
| 3196 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskEntry, TaskEntryFnInfo); | ||||||
| 3197 | TaskEntry->setDoesNotRecurse(); | ||||||
| 3198 | CodeGenFunction CGF(CGM); | ||||||
| 3199 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, TaskEntry, TaskEntryFnInfo, Args, | ||||||
| 3200 | Loc, Loc); | ||||||
| 3201 | |||||||
| 3202 | // TaskFunction(gtid, tt->task_data.part_id, &tt->privates, task_privates_map, | ||||||
| 3203 | // tt, | ||||||
| 3204 | // For taskloops: | ||||||
| 3205 | // tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||||
| 3206 | // tt->task_data.shareds); | ||||||
| 3207 | llvm::Value *GtidParam = CGF.EmitLoadOfScalar( | ||||||
| 3208 | CGF.GetAddrOfLocalVar(&GtidArg), /*Volatile=*/false, KmpInt32Ty, Loc); | ||||||
| 3209 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3210 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||||
| 3211 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3212 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3213 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||||
| 3214 | LValue Base = | ||||||
| 3215 | CGF.EmitLValueForField(TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3216 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||||
| 3217 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||||
| 3218 | LValue PartIdLVal = CGF.EmitLValueForField(Base, *PartIdFI); | ||||||
| 3219 | llvm::Value *PartidParam = PartIdLVal.getPointer(CGF); | ||||||
| 3220 | |||||||
| 3221 | auto SharedsFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds); | ||||||
| 3222 | LValue SharedsLVal = CGF.EmitLValueForField(Base, *SharedsFI); | ||||||
| 3223 | llvm::Value *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3224 | CGF.EmitLoadOfScalar(SharedsLVal, Loc), | ||||||
| 3225 | CGF.ConvertTypeForMem(SharedsPtrTy)); | ||||||
| 3226 | |||||||
| 3227 | auto PrivatesFI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | ||||||
| 3228 | llvm::Value *PrivatesParam; | ||||||
| 3229 | if (PrivatesFI != KmpTaskTWithPrivatesQTyRD->field_end()) { | ||||||
| 3230 | LValue PrivatesLVal = CGF.EmitLValueForField(TDBase, *PrivatesFI); | ||||||
| 3231 | PrivatesParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3232 | PrivatesLVal.getPointer(CGF), CGF.VoidPtrTy); | ||||||
| 3233 | } else { | ||||||
| 3234 | PrivatesParam = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 3235 | } | ||||||
| 3236 | |||||||
| 3237 | llvm::Value *CommonArgs[] = { | ||||||
| 3238 | GtidParam, PartidParam, PrivatesParam, TaskPrivatesMap, | ||||||
| 3239 | CGF.Builder | ||||||
| 3240 | .CreatePointerBitCastOrAddrSpaceCast(TDBase.getAddress(CGF), | ||||||
| 3241 | CGF.VoidPtrTy, CGF.Int8Ty) | ||||||
| 3242 | .getPointer()}; | ||||||
| 3243 | SmallVector<llvm::Value *, 16> CallArgs(std::begin(CommonArgs), | ||||||
| 3244 | std::end(CommonArgs)); | ||||||
| 3245 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||||
| 3246 | auto LBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound); | ||||||
| 3247 | LValue LBLVal = CGF.EmitLValueForField(Base, *LBFI); | ||||||
| 3248 | llvm::Value *LBParam = CGF.EmitLoadOfScalar(LBLVal, Loc); | ||||||
| 3249 | auto UBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound); | ||||||
| 3250 | LValue UBLVal = CGF.EmitLValueForField(Base, *UBFI); | ||||||
| 3251 | llvm::Value *UBParam = CGF.EmitLoadOfScalar(UBLVal, Loc); | ||||||
| 3252 | auto StFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTStride); | ||||||
| 3253 | LValue StLVal = CGF.EmitLValueForField(Base, *StFI); | ||||||
| 3254 | llvm::Value *StParam = CGF.EmitLoadOfScalar(StLVal, Loc); | ||||||
| 3255 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||||
| 3256 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||||
| 3257 | llvm::Value *LIParam = CGF.EmitLoadOfScalar(LILVal, Loc); | ||||||
| 3258 | auto RFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTReductions); | ||||||
| 3259 | LValue RLVal = CGF.EmitLValueForField(Base, *RFI); | ||||||
| 3260 | llvm::Value *RParam = CGF.EmitLoadOfScalar(RLVal, Loc); | ||||||
| 3261 | CallArgs.push_back(LBParam); | ||||||
| 3262 | CallArgs.push_back(UBParam); | ||||||
| 3263 | CallArgs.push_back(StParam); | ||||||
| 3264 | CallArgs.push_back(LIParam); | ||||||
| 3265 | CallArgs.push_back(RParam); | ||||||
| 3266 | } | ||||||
| 3267 | CallArgs.push_back(SharedsParam); | ||||||
| 3268 | |||||||
| 3269 | CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskFunction, | ||||||
| 3270 | CallArgs); | ||||||
| 3271 | CGF.EmitStoreThroughLValue(RValue::get(CGF.Builder.getInt32(/*C=*/0)), | ||||||
| 3272 | CGF.MakeAddrLValue(CGF.ReturnValue, KmpInt32Ty)); | ||||||
| 3273 | CGF.FinishFunction(); | ||||||
| 3274 | return TaskEntry; | ||||||
| 3275 | } | ||||||
| 3276 | |||||||
| 3277 | static llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, | ||||||
| 3278 | SourceLocation Loc, | ||||||
| 3279 | QualType KmpInt32Ty, | ||||||
| 3280 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3281 | QualType KmpTaskTWithPrivatesQTy) { | ||||||
| 3282 | ASTContext &C = CGM.getContext(); | ||||||
| 3283 | FunctionArgList Args; | ||||||
| 3284 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||||
| 3285 | ImplicitParamDecl::Other); | ||||||
| 3286 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3287 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||||
| 3288 | ImplicitParamDecl::Other); | ||||||
| 3289 | Args.push_back(&GtidArg); | ||||||
| 3290 | Args.push_back(&TaskTypeArg); | ||||||
| 3291 | const auto &DestructorFnInfo = | ||||||
| 3292 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||||
| 3293 | llvm::FunctionType *DestructorFnTy = | ||||||
| 3294 | CGM.getTypes().GetFunctionType(DestructorFnInfo); | ||||||
| 3295 | std::string Name = | ||||||
| 3296 | CGM.getOpenMPRuntime().getName({"omp_task_destructor", ""}); | ||||||
| 3297 | auto *DestructorFn = | ||||||
| 3298 | llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 3299 | Name, &CGM.getModule()); | ||||||
| 3300 | CGM.SetInternalFunctionAttributes(GlobalDecl(), DestructorFn, | ||||||
| 3301 | DestructorFnInfo); | ||||||
| 3302 | DestructorFn->setDoesNotRecurse(); | ||||||
| 3303 | CodeGenFunction CGF(CGM); | ||||||
| 3304 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo, | ||||||
| 3305 | Args, Loc, Loc); | ||||||
| 3306 | |||||||
| 3307 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 3308 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||||
| 3309 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3310 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3311 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||||
| 3312 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3313 | Base = CGF.EmitLValueForField(Base, *FI); | ||||||
| 3314 | for (const auto *Field : | ||||||
| 3315 | cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) { | ||||||
| 3316 | if (QualType::DestructionKind DtorKind = | ||||||
| 3317 | Field->getType().isDestructedType()) { | ||||||
| 3318 | LValue FieldLValue = CGF.EmitLValueForField(Base, Field); | ||||||
| 3319 | CGF.pushDestroy(DtorKind, FieldLValue.getAddress(CGF), Field->getType()); | ||||||
| 3320 | } | ||||||
| 3321 | } | ||||||
| 3322 | CGF.FinishFunction(); | ||||||
| 3323 | return DestructorFn; | ||||||
| 3324 | } | ||||||
| 3325 | |||||||
| 3326 | /// Emit a privates mapping function for correct handling of private and | ||||||
| 3327 | /// firstprivate variables. | ||||||
| 3328 | /// \code | ||||||
| 3329 | /// void .omp_task_privates_map.(const .privates. *noalias privs, <ty1> | ||||||
| 3330 | /// **noalias priv1,..., <tyn> **noalias privn) { | ||||||
| 3331 | /// *priv1 = &.privates.priv1; | ||||||
| 3332 | /// ...; | ||||||
| 3333 | /// *privn = &.privates.privn; | ||||||
| 3334 | /// } | ||||||
| 3335 | /// \endcode | ||||||
| 3336 | static llvm::Value * | ||||||
| 3337 | emitTaskPrivateMappingFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3338 | const OMPTaskDataTy &Data, QualType PrivatesQTy, | ||||||
| 3339 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3340 | ASTContext &C = CGM.getContext(); | ||||||
| 3341 | FunctionArgList Args; | ||||||
| 3342 | ImplicitParamDecl TaskPrivatesArg( | ||||||
| 3343 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3344 | C.getPointerType(PrivatesQTy).withConst().withRestrict(), | ||||||
| 3345 | ImplicitParamDecl::Other); | ||||||
| 3346 | Args.push_back(&TaskPrivatesArg); | ||||||
| 3347 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, unsigned> PrivateVarsPos; | ||||||
| 3348 | unsigned Counter = 1; | ||||||
| 3349 | for (const Expr *E : Data.PrivateVars) { | ||||||
| 3350 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3351 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3352 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3353 | .withConst() | ||||||
| 3354 | .withRestrict(), | ||||||
| 3355 | ImplicitParamDecl::Other)); | ||||||
| 3356 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3357 | PrivateVarsPos[VD] = Counter; | ||||||
| 3358 | ++Counter; | ||||||
| 3359 | } | ||||||
| 3360 | for (const Expr *E : Data.FirstprivateVars) { | ||||||
| 3361 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3362 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3363 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3364 | .withConst() | ||||||
| 3365 | .withRestrict(), | ||||||
| 3366 | ImplicitParamDecl::Other)); | ||||||
| 3367 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3368 | PrivateVarsPos[VD] = Counter; | ||||||
| 3369 | ++Counter; | ||||||
| 3370 | } | ||||||
| 3371 | for (const Expr *E : Data.LastprivateVars) { | ||||||
| 3372 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3373 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3374 | C.getPointerType(C.getPointerType(E->getType())) | ||||||
| 3375 | .withConst() | ||||||
| 3376 | .withRestrict(), | ||||||
| 3377 | ImplicitParamDecl::Other)); | ||||||
| 3378 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3379 | PrivateVarsPos[VD] = Counter; | ||||||
| 3380 | ++Counter; | ||||||
| 3381 | } | ||||||
| 3382 | for (const VarDecl *VD : Data.PrivateLocals) { | ||||||
| 3383 | QualType Ty = VD->getType().getNonReferenceType(); | ||||||
| 3384 | if (VD->getType()->isLValueReferenceType()) | ||||||
| 3385 | Ty = C.getPointerType(Ty); | ||||||
| 3386 | if (isAllocatableDecl(VD)) | ||||||
| 3387 | Ty = C.getPointerType(Ty); | ||||||
| 3388 | Args.push_back(ImplicitParamDecl::Create( | ||||||
| 3389 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3390 | C.getPointerType(C.getPointerType(Ty)).withConst().withRestrict(), | ||||||
| 3391 | ImplicitParamDecl::Other)); | ||||||
| 3392 | PrivateVarsPos[VD] = Counter; | ||||||
| 3393 | ++Counter; | ||||||
| 3394 | } | ||||||
| 3395 | const auto &TaskPrivatesMapFnInfo = | ||||||
| 3396 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 3397 | llvm::FunctionType *TaskPrivatesMapTy = | ||||||
| 3398 | CGM.getTypes().GetFunctionType(TaskPrivatesMapFnInfo); | ||||||
| 3399 | std::string Name = | ||||||
| 3400 | CGM.getOpenMPRuntime().getName({"omp_task_privates_map", ""}); | ||||||
| 3401 | auto *TaskPrivatesMap = llvm::Function::Create( | ||||||
| 3402 | TaskPrivatesMapTy, llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 3403 | &CGM.getModule()); | ||||||
| 3404 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskPrivatesMap, | ||||||
| 3405 | TaskPrivatesMapFnInfo); | ||||||
| 3406 | if (CGM.getLangOpts().Optimize) { | ||||||
| 3407 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::NoInline); | ||||||
| 3408 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||||
| 3409 | TaskPrivatesMap->addFnAttr(llvm::Attribute::AlwaysInline); | ||||||
| 3410 | } | ||||||
| 3411 | CodeGenFunction CGF(CGM); | ||||||
| 3412 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskPrivatesMap, | ||||||
| 3413 | TaskPrivatesMapFnInfo, Args, Loc, Loc); | ||||||
| 3414 | |||||||
| 3415 | // *privi = &.privates.privi; | ||||||
| 3416 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 3417 | CGF.GetAddrOfLocalVar(&TaskPrivatesArg), | ||||||
| 3418 | TaskPrivatesArg.getType()->castAs<PointerType>()); | ||||||
| 3419 | const auto *PrivatesQTyRD = cast<RecordDecl>(PrivatesQTy->getAsTagDecl()); | ||||||
| 3420 | Counter = 0; | ||||||
| 3421 | for (const FieldDecl *Field : PrivatesQTyRD->fields()) { | ||||||
| 3422 | LValue FieldLVal = CGF.EmitLValueForField(Base, Field); | ||||||
| 3423 | const VarDecl *VD = Args[PrivateVarsPos[Privates[Counter].second.Original]]; | ||||||
| 3424 | LValue RefLVal = | ||||||
| 3425 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(VD), VD->getType()); | ||||||
| 3426 | LValue RefLoadLVal = CGF.EmitLoadOfPointerLValue( | ||||||
| 3427 | RefLVal.getAddress(CGF), RefLVal.getType()->castAs<PointerType>()); | ||||||
| 3428 | CGF.EmitStoreOfScalar(FieldLVal.getPointer(CGF), RefLoadLVal); | ||||||
| 3429 | ++Counter; | ||||||
| 3430 | } | ||||||
| 3431 | CGF.FinishFunction(); | ||||||
| 3432 | return TaskPrivatesMap; | ||||||
| 3433 | } | ||||||
| 3434 | |||||||
| 3435 | /// Emit initialization for private variables in task-based directives. | ||||||
| 3436 | static void emitPrivatesInit(CodeGenFunction &CGF, | ||||||
| 3437 | const OMPExecutableDirective &D, | ||||||
| 3438 | Address KmpTaskSharedsPtr, LValue TDBase, | ||||||
| 3439 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3440 | QualType SharedsTy, QualType SharedsPtrTy, | ||||||
| 3441 | const OMPTaskDataTy &Data, | ||||||
| 3442 | ArrayRef<PrivateDataTy> Privates, bool ForDup) { | ||||||
| 3443 | ASTContext &C = CGF.getContext(); | ||||||
| 3444 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3445 | LValue PrivatesBase = CGF.EmitLValueForField(TDBase, *FI); | ||||||
| 3446 | OpenMPDirectiveKind Kind = isOpenMPTaskLoopDirective(D.getDirectiveKind()) | ||||||
| 3447 | ? OMPD_taskloop | ||||||
| 3448 | : OMPD_task; | ||||||
| 3449 | const CapturedStmt &CS = *D.getCapturedStmt(Kind); | ||||||
| 3450 | CodeGenFunction::CGCapturedStmtInfo CapturesInfo(CS); | ||||||
| 3451 | LValue SrcBase; | ||||||
| 3452 | bool IsTargetTask = | ||||||
| 3453 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind()) || | ||||||
| 3454 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()); | ||||||
| 3455 | // For target-based directives skip 4 firstprivate arrays BasePointersArray, | ||||||
| 3456 | // PointersArray, SizesArray, and MappersArray. The original variables for | ||||||
| 3457 | // these arrays are not captured and we get their addresses explicitly. | ||||||
| 3458 | if ((!IsTargetTask && !Data.FirstprivateVars.empty() && ForDup) || | ||||||
| 3459 | (IsTargetTask && KmpTaskSharedsPtr.isValid())) { | ||||||
| 3460 | SrcBase = CGF.MakeAddrLValue( | ||||||
| 3461 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3462 | KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy), | ||||||
| 3463 | CGF.ConvertTypeForMem(SharedsTy)), | ||||||
| 3464 | SharedsTy); | ||||||
| 3465 | } | ||||||
| 3466 | FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin(); | ||||||
| 3467 | for (const PrivateDataTy &Pair : Privates) { | ||||||
| 3468 | // Do not initialize private locals. | ||||||
| 3469 | if (Pair.second.isLocalPrivate()) { | ||||||
| 3470 | ++FI; | ||||||
| 3471 | continue; | ||||||
| 3472 | } | ||||||
| 3473 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||||
| 3474 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 3475 | if (Init && (!ForDup || (isa<CXXConstructExpr>(Init) && | ||||||
| 3476 | !CGF.isTrivialInitializer(Init)))) { | ||||||
| 3477 | LValue PrivateLValue = CGF.EmitLValueForField(PrivatesBase, *FI); | ||||||
| 3478 | if (const VarDecl *Elem = Pair.second.PrivateElemInit) { | ||||||
| 3479 | const VarDecl *OriginalVD = Pair.second.Original; | ||||||
| 3480 | // Check if the variable is the target-based BasePointersArray, | ||||||
| 3481 | // PointersArray, SizesArray, or MappersArray. | ||||||
| 3482 | LValue SharedRefLValue; | ||||||
| 3483 | QualType Type = PrivateLValue.getType(); | ||||||
| 3484 | const FieldDecl *SharedField = CapturesInfo.lookup(OriginalVD); | ||||||
| 3485 | if (IsTargetTask && !SharedField) { | ||||||
| 3486 | 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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3487 | 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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3488 | 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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3489 | ->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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3490 | 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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3491 | 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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3492 | ->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", 3493, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3493 | "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", 3493, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3494 | SharedRefLValue = | ||||||
| 3495 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(OriginalVD), Type); | ||||||
| 3496 | } else if (ForDup) { | ||||||
| 3497 | SharedRefLValue = CGF.EmitLValueForField(SrcBase, SharedField); | ||||||
| 3498 | SharedRefLValue = CGF.MakeAddrLValue( | ||||||
| 3499 | SharedRefLValue.getAddress(CGF).withAlignment( | ||||||
| 3500 | C.getDeclAlign(OriginalVD)), | ||||||
| 3501 | SharedRefLValue.getType(), LValueBaseInfo(AlignmentSource::Decl), | ||||||
| 3502 | SharedRefLValue.getTBAAInfo()); | ||||||
| 3503 | } else if (CGF.LambdaCaptureFields.count( | ||||||
| 3504 | Pair.second.Original->getCanonicalDecl()) > 0 || | ||||||
| 3505 | isa_and_nonnull<BlockDecl>(CGF.CurCodeDecl)) { | ||||||
| 3506 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | ||||||
| 3507 | } else { | ||||||
| 3508 | // Processing for implicitly captured variables. | ||||||
| 3509 | InlinedOpenMPRegionRAII Region( | ||||||
| 3510 | CGF, [](CodeGenFunction &, PrePostActionTy &) {}, OMPD_unknown, | ||||||
| 3511 | /*HasCancel=*/false, /*NoInheritance=*/true); | ||||||
| 3512 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | ||||||
| 3513 | } | ||||||
| 3514 | if (Type->isArrayType()) { | ||||||
| 3515 | // Initialize firstprivate array. | ||||||
| 3516 | if (!isa<CXXConstructExpr>(Init) || CGF.isTrivialInitializer(Init)) { | ||||||
| 3517 | // Perform simple memcpy. | ||||||
| 3518 | CGF.EmitAggregateAssign(PrivateLValue, SharedRefLValue, Type); | ||||||
| 3519 | } else { | ||||||
| 3520 | // Initialize firstprivate array using element-by-element | ||||||
| 3521 | // initialization. | ||||||
| 3522 | CGF.EmitOMPAggregateAssign( | ||||||
| 3523 | PrivateLValue.getAddress(CGF), SharedRefLValue.getAddress(CGF), | ||||||
| 3524 | Type, | ||||||
| 3525 | [&CGF, Elem, Init, &CapturesInfo](Address DestElement, | ||||||
| 3526 | Address SrcElement) { | ||||||
| 3527 | // Clean up any temporaries needed by the initialization. | ||||||
| 3528 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||||
| 3529 | InitScope.addPrivate(Elem, SrcElement); | ||||||
| 3530 | (void)InitScope.Privatize(); | ||||||
| 3531 | // Emit initialization for single element. | ||||||
| 3532 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII( | ||||||
| 3533 | CGF, &CapturesInfo); | ||||||
| 3534 | CGF.EmitAnyExprToMem(Init, DestElement, | ||||||
| 3535 | Init->getType().getQualifiers(), | ||||||
| 3536 | /*IsInitializer=*/false); | ||||||
| 3537 | }); | ||||||
| 3538 | } | ||||||
| 3539 | } else { | ||||||
| 3540 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||||
| 3541 | InitScope.addPrivate(Elem, SharedRefLValue.getAddress(CGF)); | ||||||
| 3542 | (void)InitScope.Privatize(); | ||||||
| 3543 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CapturesInfo); | ||||||
| 3544 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, | ||||||
| 3545 | /*capturedByInit=*/false); | ||||||
| 3546 | } | ||||||
| 3547 | } else { | ||||||
| 3548 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false); | ||||||
| 3549 | } | ||||||
| 3550 | } | ||||||
| 3551 | ++FI; | ||||||
| 3552 | } | ||||||
| 3553 | } | ||||||
| 3554 | |||||||
| 3555 | /// Check if duplication function is required for taskloops. | ||||||
| 3556 | static bool checkInitIsRequired(CodeGenFunction &CGF, | ||||||
| 3557 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3558 | bool InitRequired = false; | ||||||
| 3559 | for (const PrivateDataTy &Pair : Privates) { | ||||||
| 3560 | if (Pair.second.isLocalPrivate()) | ||||||
| 3561 | continue; | ||||||
| 3562 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||||
| 3563 | const Expr *Init = VD->getAnyInitializer(); | ||||||
| 3564 | InitRequired = InitRequired || (isa_and_nonnull<CXXConstructExpr>(Init) && | ||||||
| 3565 | !CGF.isTrivialInitializer(Init)); | ||||||
| 3566 | if (InitRequired) | ||||||
| 3567 | break; | ||||||
| 3568 | } | ||||||
| 3569 | return InitRequired; | ||||||
| 3570 | } | ||||||
| 3571 | |||||||
| 3572 | |||||||
| 3573 | /// Emit task_dup function (for initialization of | ||||||
| 3574 | /// private/firstprivate/lastprivate vars and last_iter flag) | ||||||
| 3575 | /// \code | ||||||
| 3576 | /// void __task_dup_entry(kmp_task_t *task_dst, const kmp_task_t *task_src, int | ||||||
| 3577 | /// lastpriv) { | ||||||
| 3578 | /// // setup lastprivate flag | ||||||
| 3579 | /// task_dst->last = lastpriv; | ||||||
| 3580 | /// // could be constructor calls here... | ||||||
| 3581 | /// } | ||||||
| 3582 | /// \endcode | ||||||
| 3583 | static llvm::Value * | ||||||
| 3584 | emitTaskDupFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||||
| 3585 | const OMPExecutableDirective &D, | ||||||
| 3586 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3587 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3588 | const RecordDecl *KmpTaskTQTyRD, QualType SharedsTy, | ||||||
| 3589 | QualType SharedsPtrTy, const OMPTaskDataTy &Data, | ||||||
| 3590 | ArrayRef<PrivateDataTy> Privates, bool WithLastIter) { | ||||||
| 3591 | ASTContext &C = CGM.getContext(); | ||||||
| 3592 | FunctionArgList Args; | ||||||
| 3593 | ImplicitParamDecl DstArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3594 | KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3595 | ImplicitParamDecl::Other); | ||||||
| 3596 | ImplicitParamDecl SrcArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 3597 | KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3598 | ImplicitParamDecl::Other); | ||||||
| 3599 | ImplicitParamDecl LastprivArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.IntTy, | ||||||
| 3600 | ImplicitParamDecl::Other); | ||||||
| 3601 | Args.push_back(&DstArg); | ||||||
| 3602 | Args.push_back(&SrcArg); | ||||||
| 3603 | Args.push_back(&LastprivArg); | ||||||
| 3604 | const auto &TaskDupFnInfo = | ||||||
| 3605 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 3606 | llvm::FunctionType *TaskDupTy = CGM.getTypes().GetFunctionType(TaskDupFnInfo); | ||||||
| 3607 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_dup", ""}); | ||||||
| 3608 | auto *TaskDup = llvm::Function::Create( | ||||||
| 3609 | TaskDupTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||||
| 3610 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskDup, TaskDupFnInfo); | ||||||
| 3611 | TaskDup->setDoesNotRecurse(); | ||||||
| 3612 | CodeGenFunction CGF(CGM); | ||||||
| 3613 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskDup, TaskDupFnInfo, Args, Loc, | ||||||
| 3614 | Loc); | ||||||
| 3615 | |||||||
| 3616 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3617 | CGF.GetAddrOfLocalVar(&DstArg), | ||||||
| 3618 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3619 | // task_dst->liter = lastpriv; | ||||||
| 3620 | if (WithLastIter) { | ||||||
| 3621 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||||
| 3622 | LValue Base = CGF.EmitLValueForField( | ||||||
| 3623 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3624 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||||
| 3625 | llvm::Value *Lastpriv = CGF.EmitLoadOfScalar( | ||||||
| 3626 | CGF.GetAddrOfLocalVar(&LastprivArg), /*Volatile=*/false, C.IntTy, Loc); | ||||||
| 3627 | CGF.EmitStoreOfScalar(Lastpriv, LILVal); | ||||||
| 3628 | } | ||||||
| 3629 | |||||||
| 3630 | // Emit initial values for private copies (if any). | ||||||
| 3631 | assert(!Privates.empty())(static_cast <bool> (!Privates.empty()) ? void (0) : __assert_fail ("!Privates.empty()", "clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3631, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3632 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||||
| 3633 | if (!Data.FirstprivateVars.empty()) { | ||||||
| 3634 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||||
| 3635 | CGF.GetAddrOfLocalVar(&SrcArg), | ||||||
| 3636 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||||
| 3637 | LValue Base = CGF.EmitLValueForField( | ||||||
| 3638 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3639 | KmpTaskSharedsPtr = Address( | ||||||
| 3640 | CGF.EmitLoadOfScalar(CGF.EmitLValueForField( | ||||||
| 3641 | Base, *std::next(KmpTaskTQTyRD->field_begin(), | ||||||
| 3642 | KmpTaskTShareds)), | ||||||
| 3643 | Loc), | ||||||
| 3644 | CGF.Int8Ty, CGM.getNaturalTypeAlignment(SharedsTy)); | ||||||
| 3645 | } | ||||||
| 3646 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, TDBase, KmpTaskTWithPrivatesQTyRD, | ||||||
| 3647 | SharedsTy, SharedsPtrTy, Data, Privates, /*ForDup=*/true); | ||||||
| 3648 | CGF.FinishFunction(); | ||||||
| 3649 | return TaskDup; | ||||||
| 3650 | } | ||||||
| 3651 | |||||||
| 3652 | /// Checks if destructor function is required to be generated. | ||||||
| 3653 | /// \return true if cleanups are required, false otherwise. | ||||||
| 3654 | static bool | ||||||
| 3655 | checkDestructorsRequired(const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||||
| 3656 | ArrayRef<PrivateDataTy> Privates) { | ||||||
| 3657 | for (const PrivateDataTy &P : Privates) { | ||||||
| 3658 | if (P.second.isLocalPrivate()) | ||||||
| 3659 | continue; | ||||||
| 3660 | QualType Ty = P.second.Original->getType().getNonReferenceType(); | ||||||
| 3661 | if (Ty.isDestructedType()) | ||||||
| 3662 | return true; | ||||||
| 3663 | } | ||||||
| 3664 | return false; | ||||||
| 3665 | } | ||||||
| 3666 | |||||||
| 3667 | namespace { | ||||||
| 3668 | /// Loop generator for OpenMP iterator expression. | ||||||
| 3669 | class OMPIteratorGeneratorScope final | ||||||
| 3670 | : public CodeGenFunction::OMPPrivateScope { | ||||||
| 3671 | CodeGenFunction &CGF; | ||||||
| 3672 | const OMPIteratorExpr *E = nullptr; | ||||||
| 3673 | SmallVector<CodeGenFunction::JumpDest, 4> ContDests; | ||||||
| 3674 | SmallVector<CodeGenFunction::JumpDest, 4> ExitDests; | ||||||
| 3675 | OMPIteratorGeneratorScope() = delete; | ||||||
| 3676 | OMPIteratorGeneratorScope(OMPIteratorGeneratorScope &) = delete; | ||||||
| 3677 | |||||||
| 3678 | public: | ||||||
| 3679 | OMPIteratorGeneratorScope(CodeGenFunction &CGF, const OMPIteratorExpr *E) | ||||||
| 3680 | : CodeGenFunction::OMPPrivateScope(CGF), CGF(CGF), E(E) { | ||||||
| 3681 | if (!E) | ||||||
| 3682 | return; | ||||||
| 3683 | SmallVector<llvm::Value *, 4> Uppers; | ||||||
| 3684 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | ||||||
| 3685 | Uppers.push_back(CGF.EmitScalarExpr(E->getHelper(I).Upper)); | ||||||
| 3686 | const auto *VD = cast<VarDecl>(E->getIteratorDecl(I)); | ||||||
| 3687 | addPrivate(VD, CGF.CreateMemTemp(VD->getType(), VD->getName())); | ||||||
| 3688 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | ||||||
| 3689 | addPrivate( | ||||||
| 3690 | HelperData.CounterVD, | ||||||
| 3691 | CGF.CreateMemTemp(HelperData.CounterVD->getType(), "counter.addr")); | ||||||
| 3692 | } | ||||||
| 3693 | Privatize(); | ||||||
| 3694 | |||||||
| 3695 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | ||||||
| 3696 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | ||||||
| 3697 | LValue CLVal = | ||||||
| 3698 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(HelperData.CounterVD), | ||||||
| 3699 | HelperData.CounterVD->getType()); | ||||||
| 3700 | // Counter = 0; | ||||||
| 3701 | CGF.EmitStoreOfScalar( | ||||||
| 3702 | llvm::ConstantInt::get(CLVal.getAddress(CGF).getElementType(), 0), | ||||||
| 3703 | CLVal); | ||||||
| 3704 | CodeGenFunction::JumpDest &ContDest = | ||||||
| 3705 | ContDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.cont")); | ||||||
| 3706 | CodeGenFunction::JumpDest &ExitDest = | ||||||
| 3707 | ExitDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.exit")); | ||||||
| 3708 | // N = <number-of_iterations>; | ||||||
| 3709 | llvm::Value *N = Uppers[I]; | ||||||
| 3710 | // cont: | ||||||
| 3711 | // if (Counter < N) goto body; else goto exit; | ||||||
| 3712 | CGF.EmitBlock(ContDest.getBlock()); | ||||||
| 3713 | auto *CVal = | ||||||
| 3714 | CGF.EmitLoadOfScalar(CLVal, HelperData.CounterVD->getLocation()); | ||||||
| 3715 | llvm::Value *Cmp = | ||||||
| 3716 | HelperData.CounterVD->getType()->isSignedIntegerOrEnumerationType() | ||||||
| 3717 | ? CGF.Builder.CreateICmpSLT(CVal, N) | ||||||
| 3718 | : CGF.Builder.CreateICmpULT(CVal, N); | ||||||
| 3719 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("iter.body"); | ||||||
| 3720 | CGF.Builder.CreateCondBr(Cmp, BodyBB, ExitDest.getBlock()); | ||||||
| 3721 | // body: | ||||||
| 3722 | CGF.EmitBlock(BodyBB); | ||||||
| 3723 | // Iteri = Begini + Counter * Stepi; | ||||||
| 3724 | CGF.EmitIgnoredExpr(HelperData.Update); | ||||||
| 3725 | } | ||||||
| 3726 | } | ||||||
| 3727 | ~OMPIteratorGeneratorScope() { | ||||||
| 3728 | if (!E) | ||||||
| 3729 | return; | ||||||
| 3730 | for (unsigned I = E->numOfIterators(); I > 0; --I) { | ||||||
| 3731 | // Counter = Counter + 1; | ||||||
| 3732 | const OMPIteratorHelperData &HelperData = E->getHelper(I - 1); | ||||||
| 3733 | CGF.EmitIgnoredExpr(HelperData.CounterUpdate); | ||||||
| 3734 | // goto cont; | ||||||
| 3735 | CGF.EmitBranchThroughCleanup(ContDests[I - 1]); | ||||||
| 3736 | // exit: | ||||||
| 3737 | CGF.EmitBlock(ExitDests[I - 1].getBlock(), /*IsFinished=*/I == 1); | ||||||
| 3738 | } | ||||||
| 3739 | } | ||||||
| 3740 | }; | ||||||
| 3741 | } // namespace | ||||||
| 3742 | |||||||
| 3743 | static std::pair<llvm::Value *, llvm::Value *> | ||||||
| 3744 | getPointerAndSize(CodeGenFunction &CGF, const Expr *E) { | ||||||
| 3745 | const auto *OASE = dyn_cast<OMPArrayShapingExpr>(E); | ||||||
| 3746 | llvm::Value *Addr; | ||||||
| 3747 | if (OASE) { | ||||||
| 3748 | const Expr *Base = OASE->getBase(); | ||||||
| 3749 | Addr = CGF.EmitScalarExpr(Base); | ||||||
| 3750 | } else { | ||||||
| 3751 | Addr = CGF.EmitLValue(E).getPointer(CGF); | ||||||
| 3752 | } | ||||||
| 3753 | llvm::Value *SizeVal; | ||||||
| 3754 | QualType Ty = E->getType(); | ||||||
| 3755 | if (OASE) { | ||||||
| 3756 | SizeVal = CGF.getTypeSize(OASE->getBase()->getType()->getPointeeType()); | ||||||
| 3757 | for (const Expr *SE : OASE->getDimensions()) { | ||||||
| 3758 | llvm::Value *Sz = CGF.EmitScalarExpr(SE); | ||||||
| 3759 | Sz = CGF.EmitScalarConversion( | ||||||
| 3760 | Sz, SE->getType(), CGF.getContext().getSizeType(), SE->getExprLoc()); | ||||||
| 3761 | SizeVal = CGF.Builder.CreateNUWMul(SizeVal, Sz); | ||||||
| 3762 | } | ||||||
| 3763 | } else if (const auto *ASE = | ||||||
| 3764 | dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) { | ||||||
| 3765 | LValue UpAddrLVal = | ||||||
| 3766 | CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); | ||||||
| 3767 | Address UpAddrAddress = UpAddrLVal.getAddress(CGF); | ||||||
| 3768 | llvm::Value *UpAddr = CGF.Builder.CreateConstGEP1_32( | ||||||
| 3769 | UpAddrAddress.getElementType(), UpAddrAddress.getPointer(), /*Idx0=*/1); | ||||||
| 3770 | llvm::Value *LowIntPtr = CGF.Builder.CreatePtrToInt(Addr, CGF.SizeTy); | ||||||
| 3771 | llvm::Value *UpIntPtr = CGF.Builder.CreatePtrToInt(UpAddr, CGF.SizeTy); | ||||||
| 3772 | SizeVal = CGF.Builder.CreateNUWSub(UpIntPtr, LowIntPtr); | ||||||
| 3773 | } else { | ||||||
| 3774 | SizeVal = CGF.getTypeSize(Ty); | ||||||
| 3775 | } | ||||||
| 3776 | return std::make_pair(Addr, SizeVal); | ||||||
| 3777 | } | ||||||
| 3778 | |||||||
| 3779 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | ||||||
| 3780 | static void getKmpAffinityType(ASTContext &C, QualType &KmpTaskAffinityInfoTy) { | ||||||
| 3781 | QualType FlagsTy = C.getIntTypeForBitwidth(32, /*Signed=*/false); | ||||||
| 3782 | if (KmpTaskAffinityInfoTy.isNull()) { | ||||||
| 3783 | RecordDecl *KmpAffinityInfoRD = | ||||||
| 3784 | C.buildImplicitRecord("kmp_task_affinity_info_t"); | ||||||
| 3785 | KmpAffinityInfoRD->startDefinition(); | ||||||
| 3786 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getIntPtrType()); | ||||||
| 3787 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getSizeType()); | ||||||
| 3788 | addFieldToRecordDecl(C, KmpAffinityInfoRD, FlagsTy); | ||||||
| 3789 | KmpAffinityInfoRD->completeDefinition(); | ||||||
| 3790 | KmpTaskAffinityInfoTy = C.getRecordType(KmpAffinityInfoRD); | ||||||
| 3791 | } | ||||||
| 3792 | } | ||||||
| 3793 | |||||||
| 3794 | CGOpenMPRuntime::TaskResultTy | ||||||
| 3795 | CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 3796 | const OMPExecutableDirective &D, | ||||||
| 3797 | llvm::Function *TaskFunction, QualType SharedsTy, | ||||||
| 3798 | Address Shareds, const OMPTaskDataTy &Data) { | ||||||
| 3799 | ASTContext &C = CGM.getContext(); | ||||||
| 3800 | llvm::SmallVector<PrivateDataTy, 4> Privates; | ||||||
| 3801 | // Aggregate privates and sort them by the alignment. | ||||||
| 3802 | const auto *I = Data.PrivateCopies.begin(); | ||||||
| 3803 | for (const Expr *E : Data.PrivateVars) { | ||||||
| 3804 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3805 | Privates.emplace_back( | ||||||
| 3806 | C.getDeclAlign(VD), | ||||||
| 3807 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3808 | /*PrivateElemInit=*/nullptr)); | ||||||
| 3809 | ++I; | ||||||
| 3810 | } | ||||||
| 3811 | I = Data.FirstprivateCopies.begin(); | ||||||
| 3812 | const auto *IElemInitRef = Data.FirstprivateInits.begin(); | ||||||
| 3813 | for (const Expr *E : Data.FirstprivateVars) { | ||||||
| 3814 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3815 | Privates.emplace_back( | ||||||
| 3816 | C.getDeclAlign(VD), | ||||||
| 3817 | PrivateHelpersTy( | ||||||
| 3818 | E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3819 | cast<VarDecl>(cast<DeclRefExpr>(*IElemInitRef)->getDecl()))); | ||||||
| 3820 | ++I; | ||||||
| 3821 | ++IElemInitRef; | ||||||
| 3822 | } | ||||||
| 3823 | I = Data.LastprivateCopies.begin(); | ||||||
| 3824 | for (const Expr *E : Data.LastprivateVars) { | ||||||
| 3825 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||||
| 3826 | Privates.emplace_back( | ||||||
| 3827 | C.getDeclAlign(VD), | ||||||
| 3828 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||||
| 3829 | /*PrivateElemInit=*/nullptr)); | ||||||
| 3830 | ++I; | ||||||
| 3831 | } | ||||||
| 3832 | for (const VarDecl *VD : Data.PrivateLocals) { | ||||||
| 3833 | if (isAllocatableDecl(VD)) | ||||||
| 3834 | Privates.emplace_back(CGM.getPointerAlign(), PrivateHelpersTy(VD)); | ||||||
| 3835 | else | ||||||
| 3836 | Privates.emplace_back(C.getDeclAlign(VD), PrivateHelpersTy(VD)); | ||||||
| 3837 | } | ||||||
| 3838 | llvm::stable_sort(Privates, | ||||||
| 3839 | [](const PrivateDataTy &L, const PrivateDataTy &R) { | ||||||
| 3840 | return L.first > R.first; | ||||||
| 3841 | }); | ||||||
| 3842 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||||
| 3843 | // Build type kmp_routine_entry_t (if not built yet). | ||||||
| 3844 | emitKmpRoutineEntryT(KmpInt32Ty); | ||||||
| 3845 | // Build type kmp_task_t (if not built yet). | ||||||
| 3846 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) { | ||||||
| 3847 | if (SavedKmpTaskloopTQTy.isNull()) { | ||||||
| 3848 | SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||||
| 3849 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||||
| 3850 | } | ||||||
| 3851 | KmpTaskTQTy = SavedKmpTaskloopTQTy; | ||||||
| 3852 | } else { | ||||||
| 3853 | 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", 3856, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3854 | 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", 3856, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3855 | 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", 3856, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 3856 | "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", 3856, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 3857 | if (SavedKmpTaskTQTy.isNull()) { | ||||||
| 3858 | SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||||
| 3859 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||||
| 3860 | } | ||||||
| 3861 | KmpTaskTQTy = SavedKmpTaskTQTy; | ||||||
| 3862 | } | ||||||
| 3863 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||||
| 3864 | // Build particular struct kmp_task_t for the given task. | ||||||
| 3865 | const RecordDecl *KmpTaskTWithPrivatesQTyRD = | ||||||
| 3866 | createKmpTaskTWithPrivatesRecordDecl(CGM, KmpTaskTQTy, Privates); | ||||||
| 3867 | QualType KmpTaskTWithPrivatesQTy = C.getRecordType(KmpTaskTWithPrivatesQTyRD); | ||||||
| 3868 | QualType KmpTaskTWithPrivatesPtrQTy = | ||||||
| 3869 | C.getPointerType(KmpTaskTWithPrivatesQTy); | ||||||
| 3870 | llvm::Type *KmpTaskTWithPrivatesTy = CGF.ConvertType(KmpTaskTWithPrivatesQTy); | ||||||
| 3871 | llvm::Type *KmpTaskTWithPrivatesPtrTy = | ||||||
| 3872 | KmpTaskTWithPrivatesTy->getPointerTo(); | ||||||
| 3873 | llvm::Value *KmpTaskTWithPrivatesTySize = | ||||||
| 3874 | CGF.getTypeSize(KmpTaskTWithPrivatesQTy); | ||||||
| 3875 | QualType SharedsPtrTy = C.getPointerType(SharedsTy); | ||||||
| 3876 | |||||||
| 3877 | // Emit initial values for private copies (if any). | ||||||
| 3878 | llvm::Value *TaskPrivatesMap = nullptr; | ||||||
| 3879 | llvm::Type *TaskPrivatesMapTy = | ||||||
| 3880 | std::next(TaskFunction->arg_begin(), 3)->getType(); | ||||||
| 3881 | if (!Privates.empty()) { | ||||||
| 3882 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 3883 | TaskPrivatesMap = | ||||||
| 3884 | emitTaskPrivateMappingFunction(CGM, Loc, Data, FI->getType(), Privates); | ||||||
| 3885 | TaskPrivatesMap = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3886 | TaskPrivatesMap, TaskPrivatesMapTy); | ||||||
| 3887 | } else { | ||||||
| 3888 | TaskPrivatesMap = llvm::ConstantPointerNull::get( | ||||||
| 3889 | cast<llvm::PointerType>(TaskPrivatesMapTy)); | ||||||
| 3890 | } | ||||||
| 3891 | // Build a proxy function kmp_int32 .omp_task_entry.(kmp_int32 gtid, | ||||||
| 3892 | // kmp_task_t *tt); | ||||||
| 3893 | llvm::Function *TaskEntry = emitProxyTaskFunction( | ||||||
| 3894 | CGM, Loc, D.getDirectiveKind(), KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||||
| 3895 | KmpTaskTWithPrivatesQTy, KmpTaskTQTy, SharedsPtrTy, TaskFunction, | ||||||
| 3896 | TaskPrivatesMap); | ||||||
| 3897 | |||||||
| 3898 | // Build call kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | ||||||
| 3899 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||||
| 3900 | // kmp_routine_entry_t *task_entry); | ||||||
| 3901 | // Task flags. Format is taken from | ||||||
| 3902 | // https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h, | ||||||
| 3903 | // description of kmp_tasking_flags struct. | ||||||
| 3904 | enum { | ||||||
| 3905 | TiedFlag = 0x1, | ||||||
| 3906 | FinalFlag = 0x2, | ||||||
| 3907 | DestructorsFlag = 0x8, | ||||||
| 3908 | PriorityFlag = 0x20, | ||||||
| 3909 | DetachableFlag = 0x40, | ||||||
| 3910 | }; | ||||||
| 3911 | unsigned Flags = Data.Tied ? TiedFlag : 0; | ||||||
| 3912 | bool NeedsCleanup = false; | ||||||
| 3913 | if (!Privates.empty()) { | ||||||
| 3914 | NeedsCleanup = | ||||||
| 3915 | checkDestructorsRequired(KmpTaskTWithPrivatesQTyRD, Privates); | ||||||
| 3916 | if (NeedsCleanup) | ||||||
| 3917 | Flags = Flags | DestructorsFlag; | ||||||
| 3918 | } | ||||||
| 3919 | if (Data.Priority.getInt()) | ||||||
| 3920 | Flags = Flags | PriorityFlag; | ||||||
| 3921 | if (D.hasClausesOfKind<OMPDetachClause>()) | ||||||
| 3922 | Flags = Flags | DetachableFlag; | ||||||
| 3923 | llvm::Value *TaskFlags = | ||||||
| 3924 | Data.Final.getPointer() | ||||||
| 3925 | ? CGF.Builder.CreateSelect(Data.Final.getPointer(), | ||||||
| 3926 | CGF.Builder.getInt32(FinalFlag), | ||||||
| 3927 | CGF.Builder.getInt32(/*C=*/0)) | ||||||
| 3928 | : CGF.Builder.getInt32(Data.Final.getInt() ? FinalFlag : 0); | ||||||
| 3929 | TaskFlags = CGF.Builder.CreateOr(TaskFlags, CGF.Builder.getInt32(Flags)); | ||||||
| 3930 | llvm::Value *SharedsSize = CGM.getSize(C.getTypeSizeInChars(SharedsTy)); | ||||||
| 3931 | SmallVector<llvm::Value *, 8> AllocArgs = {emitUpdateLocation(CGF, Loc), | ||||||
| 3932 | getThreadID(CGF, Loc), TaskFlags, KmpTaskTWithPrivatesTySize, | ||||||
| 3933 | SharedsSize, CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 3934 | TaskEntry, KmpRoutineEntryPtrTy)}; | ||||||
| 3935 | llvm::Value *NewTask; | ||||||
| 3936 | if (D.hasClausesOfKind<OMPNowaitClause>()) { | ||||||
| 3937 | // Check if we have any device clause associated with the directive. | ||||||
| 3938 | const Expr *Device = nullptr; | ||||||
| 3939 | if (auto *C = D.getSingleClause<OMPDeviceClause>()) | ||||||
| 3940 | Device = C->getDevice(); | ||||||
| 3941 | // Emit device ID if any otherwise use default value. | ||||||
| 3942 | llvm::Value *DeviceID; | ||||||
| 3943 | if (Device) | ||||||
| 3944 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||||
| 3945 | CGF.Int64Ty, /*isSigned=*/true); | ||||||
| 3946 | else | ||||||
| 3947 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||||
| 3948 | AllocArgs.push_back(DeviceID); | ||||||
| 3949 | NewTask = CGF.EmitRuntimeCall( | ||||||
| 3950 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3951 | CGM.getModule(), OMPRTL___kmpc_omp_target_task_alloc), | ||||||
| 3952 | AllocArgs); | ||||||
| 3953 | } else { | ||||||
| 3954 | NewTask = | ||||||
| 3955 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3956 | CGM.getModule(), OMPRTL___kmpc_omp_task_alloc), | ||||||
| 3957 | AllocArgs); | ||||||
| 3958 | } | ||||||
| 3959 | // Emit detach clause initialization. | ||||||
| 3960 | // evt = (typeof(evt))__kmpc_task_allow_completion_event(loc, tid, | ||||||
| 3961 | // task_descriptor); | ||||||
| 3962 | if (const auto *DC = D.getSingleClause<OMPDetachClause>()) { | ||||||
| 3963 | const Expr *Evt = DC->getEventHandler()->IgnoreParenImpCasts(); | ||||||
| 3964 | LValue EvtLVal = CGF.EmitLValue(Evt); | ||||||
| 3965 | |||||||
| 3966 | // Build kmp_event_t *__kmpc_task_allow_completion_event(ident_t *loc_ref, | ||||||
| 3967 | // int gtid, kmp_task_t *task); | ||||||
| 3968 | llvm::Value *Loc = emitUpdateLocation(CGF, DC->getBeginLoc()); | ||||||
| 3969 | llvm::Value *Tid = getThreadID(CGF, DC->getBeginLoc()); | ||||||
| 3970 | Tid = CGF.Builder.CreateIntCast(Tid, CGF.IntTy, /*isSigned=*/false); | ||||||
| 3971 | llvm::Value *EvtVal = CGF.EmitRuntimeCall( | ||||||
| 3972 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 3973 | CGM.getModule(), OMPRTL___kmpc_task_allow_completion_event), | ||||||
| 3974 | {Loc, Tid, NewTask}); | ||||||
| 3975 | EvtVal = CGF.EmitScalarConversion(EvtVal, C.VoidPtrTy, Evt->getType(), | ||||||
| 3976 | Evt->getExprLoc()); | ||||||
| 3977 | CGF.EmitStoreOfScalar(EvtVal, EvtLVal); | ||||||
| 3978 | } | ||||||
| 3979 | // Process affinity clauses. | ||||||
| 3980 | if (D.hasClausesOfKind<OMPAffinityClause>()) { | ||||||
| 3981 | // Process list of affinity data. | ||||||
| 3982 | ASTContext &C = CGM.getContext(); | ||||||
| 3983 | Address AffinitiesArray = Address::invalid(); | ||||||
| 3984 | // Calculate number of elements to form the array of affinity data. | ||||||
| 3985 | llvm::Value *NumOfElements = nullptr; | ||||||
| 3986 | unsigned NumAffinities = 0; | ||||||
| 3987 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 3988 | if (const Expr *Modifier = C->getModifier()) { | ||||||
| 3989 | const auto *IE = cast<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts()); | ||||||
| 3990 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 3991 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 3992 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | ||||||
| 3993 | NumOfElements = | ||||||
| 3994 | NumOfElements ? CGF.Builder.CreateNUWMul(NumOfElements, Sz) : Sz; | ||||||
| 3995 | } | ||||||
| 3996 | } else { | ||||||
| 3997 | NumAffinities += C->varlist_size(); | ||||||
| 3998 | } | ||||||
| 3999 | } | ||||||
| 4000 | getKmpAffinityType(CGM.getContext(), KmpTaskAffinityInfoTy); | ||||||
| 4001 | // Fields ids in kmp_task_affinity_info record. | ||||||
| 4002 | enum RTLAffinityInfoFieldsTy { BaseAddr, Len, Flags }; | ||||||
| 4003 | |||||||
| 4004 | QualType KmpTaskAffinityInfoArrayTy; | ||||||
| 4005 | if (NumOfElements) { | ||||||
| 4006 | NumOfElements = CGF.Builder.CreateNUWAdd( | ||||||
| 4007 | llvm::ConstantInt::get(CGF.SizeTy, NumAffinities), NumOfElements); | ||||||
| 4008 | auto *OVE = new (C) OpaqueValueExpr( | ||||||
| 4009 | Loc, | ||||||
| 4010 | C.getIntTypeForBitwidth(C.getTypeSize(C.getSizeType()), /*Signed=*/0), | ||||||
| 4011 | VK_PRValue); | ||||||
| 4012 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, OVE, | ||||||
| 4013 | RValue::get(NumOfElements)); | ||||||
| 4014 | KmpTaskAffinityInfoArrayTy = | ||||||
| 4015 | C.getVariableArrayType(KmpTaskAffinityInfoTy, OVE, ArrayType::Normal, | ||||||
| 4016 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | ||||||
| 4017 | // Properly emit variable-sized array. | ||||||
| 4018 | auto *PD = ImplicitParamDecl::Create(C, KmpTaskAffinityInfoArrayTy, | ||||||
| 4019 | ImplicitParamDecl::Other); | ||||||
| 4020 | CGF.EmitVarDecl(*PD); | ||||||
| 4021 | AffinitiesArray = CGF.GetAddrOfLocalVar(PD); | ||||||
| 4022 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | ||||||
| 4023 | /*isSigned=*/false); | ||||||
| 4024 | } else { | ||||||
| 4025 | KmpTaskAffinityInfoArrayTy = C.getConstantArrayType( | ||||||
| 4026 | KmpTaskAffinityInfoTy, | ||||||
| 4027 | llvm::APInt(C.getTypeSize(C.getSizeType()), NumAffinities), nullptr, | ||||||
| 4028 | ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4029 | AffinitiesArray = | ||||||
| 4030 | CGF.CreateMemTemp(KmpTaskAffinityInfoArrayTy, ".affs.arr.addr"); | ||||||
| 4031 | AffinitiesArray = CGF.Builder.CreateConstArrayGEP(AffinitiesArray, 0); | ||||||
| 4032 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumAffinities, | ||||||
| 4033 | /*isSigned=*/false); | ||||||
| 4034 | } | ||||||
| 4035 | |||||||
| 4036 | const auto *KmpAffinityInfoRD = KmpTaskAffinityInfoTy->getAsRecordDecl(); | ||||||
| 4037 | // Fill array by elements without iterators. | ||||||
| 4038 | unsigned Pos = 0; | ||||||
| 4039 | bool HasIterator = false; | ||||||
| 4040 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 4041 | if (C->getModifier()) { | ||||||
| 4042 | HasIterator = true; | ||||||
| 4043 | continue; | ||||||
| 4044 | } | ||||||
| 4045 | for (const Expr *E : C->varlists()) { | ||||||
| 4046 | llvm::Value *Addr; | ||||||
| 4047 | llvm::Value *Size; | ||||||
| 4048 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4049 | LValue Base = | ||||||
| 4050 | CGF.MakeAddrLValue(CGF.Builder.CreateConstGEP(AffinitiesArray, Pos), | ||||||
| 4051 | KmpTaskAffinityInfoTy); | ||||||
| 4052 | // affs[i].base_addr = &<Affinities[i].second>; | ||||||
| 4053 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4054 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | ||||||
| 4055 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | ||||||
| 4056 | BaseAddrLVal); | ||||||
| 4057 | // affs[i].len = sizeof(<Affinities[i].second>); | ||||||
| 4058 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4059 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | ||||||
| 4060 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4061 | ++Pos; | ||||||
| 4062 | } | ||||||
| 4063 | } | ||||||
| 4064 | LValue PosLVal; | ||||||
| 4065 | if (HasIterator) { | ||||||
| 4066 | PosLVal = CGF.MakeAddrLValue( | ||||||
| 4067 | CGF.CreateMemTemp(C.getSizeType(), "affs.counter.addr"), | ||||||
| 4068 | C.getSizeType()); | ||||||
| 4069 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | ||||||
| 4070 | } | ||||||
| 4071 | // Process elements with iterators. | ||||||
| 4072 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | ||||||
| 4073 | const Expr *Modifier = C->getModifier(); | ||||||
| 4074 | if (!Modifier) | ||||||
| 4075 | continue; | ||||||
| 4076 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4077 | CGF, cast_or_null<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts())); | ||||||
| 4078 | for (const Expr *E : C->varlists()) { | ||||||
| 4079 | llvm::Value *Addr; | ||||||
| 4080 | llvm::Value *Size; | ||||||
| 4081 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4082 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4083 | LValue Base = CGF.MakeAddrLValue( | ||||||
| 4084 | CGF.Builder.CreateGEP(AffinitiesArray, Idx), KmpTaskAffinityInfoTy); | ||||||
| 4085 | // affs[i].base_addr = &<Affinities[i].second>; | ||||||
| 4086 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4087 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | ||||||
| 4088 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | ||||||
| 4089 | BaseAddrLVal); | ||||||
| 4090 | // affs[i].len = sizeof(<Affinities[i].second>); | ||||||
| 4091 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4092 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | ||||||
| 4093 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4094 | Idx = CGF.Builder.CreateNUWAdd( | ||||||
| 4095 | Idx, llvm::ConstantInt::get(Idx->getType(), 1)); | ||||||
| 4096 | CGF.EmitStoreOfScalar(Idx, PosLVal); | ||||||
| 4097 | } | ||||||
| 4098 | } | ||||||
| 4099 | // Call to kmp_int32 __kmpc_omp_reg_task_with_affinity(ident_t *loc_ref, | ||||||
| 4100 | // kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 | ||||||
| 4101 | // naffins, kmp_task_affinity_info_t *affin_list); | ||||||
| 4102 | llvm::Value *LocRef = emitUpdateLocation(CGF, Loc); | ||||||
| 4103 | llvm::Value *GTid = getThreadID(CGF, Loc); | ||||||
| 4104 | llvm::Value *AffinListPtr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4105 | AffinitiesArray.getPointer(), CGM.VoidPtrTy); | ||||||
| 4106 | // FIXME: Emit the function and ignore its result for now unless the | ||||||
| 4107 | // runtime function is properly implemented. | ||||||
| 4108 | (void)CGF.EmitRuntimeCall( | ||||||
| 4109 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4110 | CGM.getModule(), OMPRTL___kmpc_omp_reg_task_with_affinity), | ||||||
| 4111 | {LocRef, GTid, NewTask, NumOfElements, AffinListPtr}); | ||||||
| 4112 | } | ||||||
| 4113 | llvm::Value *NewTaskNewTaskTTy = | ||||||
| 4114 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4115 | NewTask, KmpTaskTWithPrivatesPtrTy); | ||||||
| 4116 | LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, | ||||||
| 4117 | KmpTaskTWithPrivatesQTy); | ||||||
| 4118 | LValue TDBase = | ||||||
| 4119 | CGF.EmitLValueForField(Base, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||||
| 4120 | // Fill the data in the resulting kmp_task_t record. | ||||||
| 4121 | // Copy shareds if there are any. | ||||||
| 4122 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||||
| 4123 | if (!SharedsTy->getAsStructureType()->getDecl()->field_empty()) { | ||||||
| 4124 | KmpTaskSharedsPtr = Address( | ||||||
| 4125 | CGF.EmitLoadOfScalar( | ||||||
| 4126 | CGF.EmitLValueForField( | ||||||
| 4127 | TDBase, | ||||||
| 4128 | *std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds)), | ||||||
| 4129 | Loc), | ||||||
| 4130 | CGF.Int8Ty, CGM.getNaturalTypeAlignment(SharedsTy)); | ||||||
| 4131 | LValue Dest = CGF.MakeAddrLValue(KmpTaskSharedsPtr, SharedsTy); | ||||||
| 4132 | LValue Src = CGF.MakeAddrLValue(Shareds, SharedsTy); | ||||||
| 4133 | CGF.EmitAggregateCopy(Dest, Src, SharedsTy, AggValueSlot::DoesNotOverlap); | ||||||
| 4134 | } | ||||||
| 4135 | // Emit initial values for private copies (if any). | ||||||
| 4136 | TaskResultTy Result; | ||||||
| 4137 | if (!Privates.empty()) { | ||||||
| 4138 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, Base, KmpTaskTWithPrivatesQTyRD, | ||||||
| 4139 | SharedsTy, SharedsPtrTy, Data, Privates, | ||||||
| 4140 | /*ForDup=*/false); | ||||||
| 4141 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind()) && | ||||||
| 4142 | (!Data.LastprivateVars.empty() || checkInitIsRequired(CGF, Privates))) { | ||||||
| 4143 | Result.TaskDupFn = emitTaskDupFunction( | ||||||
| 4144 | CGM, Loc, D, KmpTaskTWithPrivatesPtrQTy, KmpTaskTWithPrivatesQTyRD, | ||||||
| 4145 | KmpTaskTQTyRD, SharedsTy, SharedsPtrTy, Data, Privates, | ||||||
| 4146 | /*WithLastIter=*/!Data.LastprivateVars.empty()); | ||||||
| 4147 | } | ||||||
| 4148 | } | ||||||
| 4149 | // Fields of union "kmp_cmplrdata_t" for destructors and priority. | ||||||
| 4150 | enum { Priority = 0, Destructors = 1 }; | ||||||
| 4151 | // Provide pointer to function with destructors for privates. | ||||||
| 4152 | auto FI = std::next(KmpTaskTQTyRD->field_begin(), Data1); | ||||||
| 4153 | const RecordDecl *KmpCmplrdataUD = | ||||||
| 4154 | (*FI)->getType()->getAsUnionType()->getDecl(); | ||||||
| 4155 | if (NeedsCleanup) { | ||||||
| 4156 | llvm::Value *DestructorFn = emitDestructorsFunction( | ||||||
| 4157 | CGM, Loc, KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||||
| 4158 | KmpTaskTWithPrivatesQTy); | ||||||
| 4159 | LValue Data1LV = CGF.EmitLValueForField(TDBase, *FI); | ||||||
| 4160 | LValue DestructorsLV = CGF.EmitLValueForField( | ||||||
| 4161 | Data1LV, *std::next(KmpCmplrdataUD->field_begin(), Destructors)); | ||||||
| 4162 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4163 | DestructorFn, KmpRoutineEntryPtrTy), | ||||||
| 4164 | DestructorsLV); | ||||||
| 4165 | } | ||||||
| 4166 | // Set priority. | ||||||
| 4167 | if (Data.Priority.getInt()) { | ||||||
| 4168 | LValue Data2LV = CGF.EmitLValueForField( | ||||||
| 4169 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), Data2)); | ||||||
| 4170 | LValue PriorityLV = CGF.EmitLValueForField( | ||||||
| 4171 | Data2LV, *std::next(KmpCmplrdataUD->field_begin(), Priority)); | ||||||
| 4172 | CGF.EmitStoreOfScalar(Data.Priority.getPointer(), PriorityLV); | ||||||
| 4173 | } | ||||||
| 4174 | Result.NewTask = NewTask; | ||||||
| 4175 | Result.TaskEntry = TaskEntry; | ||||||
| 4176 | Result.NewTaskNewTaskTTy = NewTaskNewTaskTTy; | ||||||
| 4177 | Result.TDBase = TDBase; | ||||||
| 4178 | Result.KmpTaskTQTyRD = KmpTaskTQTyRD; | ||||||
| 4179 | return Result; | ||||||
| 4180 | } | ||||||
| 4181 | |||||||
| 4182 | /// Translates internal dependency kind into the runtime kind. | ||||||
| 4183 | static RTLDependenceKindTy translateDependencyKind(OpenMPDependClauseKind K) { | ||||||
| 4184 | RTLDependenceKindTy DepKind; | ||||||
| 4185 | switch (K) { | ||||||
| 4186 | case OMPC_DEPEND_in: | ||||||
| 4187 | DepKind = RTLDependenceKindTy::DepIn; | ||||||
| 4188 | break; | ||||||
| 4189 | // Out and InOut dependencies must use the same code. | ||||||
| 4190 | case OMPC_DEPEND_out: | ||||||
| 4191 | case OMPC_DEPEND_inout: | ||||||
| 4192 | DepKind = RTLDependenceKindTy::DepInOut; | ||||||
| 4193 | break; | ||||||
| 4194 | case OMPC_DEPEND_mutexinoutset: | ||||||
| 4195 | DepKind = RTLDependenceKindTy::DepMutexInOutSet; | ||||||
| 4196 | break; | ||||||
| 4197 | case OMPC_DEPEND_inoutset: | ||||||
| 4198 | DepKind = RTLDependenceKindTy::DepInOutSet; | ||||||
| 4199 | break; | ||||||
| 4200 | case OMPC_DEPEND_outallmemory: | ||||||
| 4201 | DepKind = RTLDependenceKindTy::DepOmpAllMem; | ||||||
| 4202 | break; | ||||||
| 4203 | case OMPC_DEPEND_source: | ||||||
| 4204 | case OMPC_DEPEND_sink: | ||||||
| 4205 | case OMPC_DEPEND_depobj: | ||||||
| 4206 | case OMPC_DEPEND_inoutallmemory: | ||||||
| 4207 | case OMPC_DEPEND_unknown: | ||||||
| 4208 | llvm_unreachable("Unknown task dependence type")::llvm::llvm_unreachable_internal("Unknown task dependence type" , "clang/lib/CodeGen/CGOpenMPRuntime.cpp", 4208); | ||||||
| 4209 | } | ||||||
| 4210 | return DepKind; | ||||||
| 4211 | } | ||||||
| 4212 | |||||||
| 4213 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | ||||||
| 4214 | static void getDependTypes(ASTContext &C, QualType &KmpDependInfoTy, | ||||||
| 4215 | QualType &FlagsTy) { | ||||||
| 4216 | FlagsTy = C.getIntTypeForBitwidth(C.getTypeSize(C.BoolTy), /*Signed=*/false); | ||||||
| 4217 | if (KmpDependInfoTy.isNull()) { | ||||||
| 4218 | RecordDecl *KmpDependInfoRD = C.buildImplicitRecord("kmp_depend_info"); | ||||||
| 4219 | KmpDependInfoRD->startDefinition(); | ||||||
| 4220 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getIntPtrType()); | ||||||
| 4221 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getSizeType()); | ||||||
| 4222 | addFieldToRecordDecl(C, KmpDependInfoRD, FlagsTy); | ||||||
| 4223 | KmpDependInfoRD->completeDefinition(); | ||||||
| 4224 | KmpDependInfoTy = C.getRecordType(KmpDependInfoRD); | ||||||
| 4225 | } | ||||||
| 4226 | } | ||||||
| 4227 | |||||||
| 4228 | std::pair<llvm::Value *, LValue> | ||||||
| 4229 | CGOpenMPRuntime::getDepobjElements(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4230 | SourceLocation Loc) { | ||||||
| 4231 | ASTContext &C = CGM.getContext(); | ||||||
| 4232 | QualType FlagsTy; | ||||||
| 4233 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4234 | RecordDecl *KmpDependInfoRD = | ||||||
| 4235 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4236 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | ||||||
| 4237 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 4238 | CGF.Builder.CreateElementBitCast( | ||||||
| 4239 | DepobjLVal.getAddress(CGF), | ||||||
| 4240 | CGF.ConvertTypeForMem(KmpDependInfoPtrTy)), | ||||||
| 4241 | KmpDependInfoPtrTy->castAs<PointerType>()); | ||||||
| 4242 | Address DepObjAddr = CGF.Builder.CreateGEP( | ||||||
| 4243 | Base.getAddress(CGF), | ||||||
| 4244 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | ||||||
| 4245 | LValue NumDepsBase = CGF.MakeAddrLValue( | ||||||
| 4246 | DepObjAddr, KmpDependInfoTy, Base.getBaseInfo(), Base.getTBAAInfo()); | ||||||
| 4247 | // NumDeps = deps[i].base_addr; | ||||||
| 4248 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4249 | NumDepsBase, | ||||||
| 4250 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4251 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4252 | llvm::Value *NumDeps = CGF.EmitLoadOfScalar(BaseAddrLVal, Loc); | ||||||
| 4253 | return std::make_pair(NumDeps, Base); | ||||||
| 4254 | } | ||||||
| 4255 | |||||||
| 4256 | static void emitDependData(CodeGenFunction &CGF, QualType &KmpDependInfoTy, | ||||||
| 4257 | llvm::PointerUnion<unsigned *, LValue *> Pos, | ||||||
| 4258 | const OMPTaskDataTy::DependData &Data, | ||||||
| 4259 | Address DependenciesArray) { | ||||||
| 4260 | CodeGenModule &CGM = CGF.CGM; | ||||||
| 4261 | ASTContext &C = CGM.getContext(); | ||||||
| 4262 | QualType FlagsTy; | ||||||
| 4263 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4264 | RecordDecl *KmpDependInfoRD = | ||||||
| 4265 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4266 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | ||||||
| 4267 | |||||||
| 4268 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4269 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4270 | Data.IteratorExpr
| ||||||
| 4271 | : nullptr)); | ||||||
| 4272 | for (const Expr *E : Data.DepExprs) { | ||||||
| 4273 | llvm::Value *Addr; | ||||||
| 4274 | llvm::Value *Size; | ||||||
| 4275 | |||||||
| 4276 | // The expression will be a nullptr in the 'omp_all_memory' case. | ||||||
| 4277 | if (E) { | ||||||
| 4278 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | ||||||
| 4279 | Addr = CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy); | ||||||
| 4280 | } else { | ||||||
| 4281 | Addr = llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4282 | Size = llvm::ConstantInt::get(CGF.SizeTy, 0); | ||||||
| 4283 | } | ||||||
| 4284 | LValue Base; | ||||||
| 4285 | if (unsigned *P = Pos.dyn_cast<unsigned *>()) { | ||||||
| 4286 | Base = CGF.MakeAddrLValue( | ||||||
| 4287 | CGF.Builder.CreateConstGEP(DependenciesArray, *P), KmpDependInfoTy); | ||||||
| 4288 | } else { | ||||||
| 4289 | 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", 4289, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4290 | LValue &PosLVal = *Pos.get<LValue *>(); | ||||||
| 4291 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4292 | Base = CGF.MakeAddrLValue( | ||||||
| 4293 | CGF.Builder.CreateGEP(DependenciesArray, Idx), KmpDependInfoTy); | ||||||
| 4294 | } | ||||||
| 4295 | // deps[i].base_addr = &<Dependencies[i].second>; | ||||||
| 4296 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4297 | Base, | ||||||
| 4298 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4299 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4300 | CGF.EmitStoreOfScalar(Addr, BaseAddrLVal); | ||||||
| 4301 | // deps[i].len = sizeof(<Dependencies[i].second>); | ||||||
| 4302 | LValue LenLVal = CGF.EmitLValueForField( | ||||||
| 4303 | Base, *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4304 | static_cast<unsigned int>(RTLDependInfoFields::Len))); | ||||||
| 4305 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||||
| 4306 | // deps[i].flags = <Dependencies[i].first>; | ||||||
| 4307 | RTLDependenceKindTy DepKind = translateDependencyKind(Data.DepKind); | ||||||
| 4308 | LValue FlagsLVal = CGF.EmitLValueForField( | ||||||
| 4309 | Base, | ||||||
| 4310 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4311 | static_cast<unsigned int>(RTLDependInfoFields::Flags))); | ||||||
| 4312 | CGF.EmitStoreOfScalar( | ||||||
| 4313 | llvm::ConstantInt::get(LLVMFlagsTy, static_cast<unsigned int>(DepKind)), | ||||||
| 4314 | FlagsLVal); | ||||||
| 4315 | if (unsigned *P
| ||||||
| 4316 | ++(*P); | ||||||
| 4317 | } else { | ||||||
| 4318 | LValue &PosLVal = *Pos.get<LValue *>(); | ||||||
| 4319 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| |||||||
| 4320 | Idx = CGF.Builder.CreateNUWAdd(Idx, | ||||||
| 4321 | llvm::ConstantInt::get(Idx->getType(), 1)); | ||||||
| 4322 | CGF.EmitStoreOfScalar(Idx, PosLVal); | ||||||
| 4323 | } | ||||||
| 4324 | } | ||||||
| 4325 | } | ||||||
| 4326 | |||||||
| 4327 | SmallVector<llvm::Value *, 4> CGOpenMPRuntime::emitDepobjElementsSizes( | ||||||
| 4328 | CodeGenFunction &CGF, QualType &KmpDependInfoTy, | ||||||
| 4329 | const OMPTaskDataTy::DependData &Data) { | ||||||
| 4330 | 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", 4331, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 4331 | "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", 4331, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4332 | SmallVector<llvm::Value *, 4> Sizes; | ||||||
| 4333 | SmallVector<LValue, 4> SizeLVals; | ||||||
| 4334 | ASTContext &C = CGF.getContext(); | ||||||
| 4335 | { | ||||||
| 4336 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4337 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4338 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | ||||||
| 4339 | : nullptr)); | ||||||
| 4340 | for (const Expr *E : Data.DepExprs) { | ||||||
| 4341 | llvm::Value *NumDeps; | ||||||
| 4342 | LValue Base; | ||||||
| 4343 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | ||||||
| 4344 | std::tie(NumDeps, Base) = | ||||||
| 4345 | getDepobjElements(CGF, DepobjLVal, E->getExprLoc()); | ||||||
| 4346 | LValue NumLVal = CGF.MakeAddrLValue( | ||||||
| 4347 | CGF.CreateMemTemp(C.getUIntPtrType(), "depobj.size.addr"), | ||||||
| 4348 | C.getUIntPtrType()); | ||||||
| 4349 | CGF.Builder.CreateStore(llvm::ConstantInt::get(CGF.IntPtrTy, 0), | ||||||
| 4350 | NumLVal.getAddress(CGF)); | ||||||
| 4351 | llvm::Value *PrevVal = CGF.EmitLoadOfScalar(NumLVal, E->getExprLoc()); | ||||||
| 4352 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(PrevVal, NumDeps); | ||||||
| 4353 | CGF.EmitStoreOfScalar(Add, NumLVal); | ||||||
| 4354 | SizeLVals.push_back(NumLVal); | ||||||
| 4355 | } | ||||||
| 4356 | } | ||||||
| 4357 | for (unsigned I = 0, E = SizeLVals.size(); I < E; ++I) { | ||||||
| 4358 | llvm::Value *Size = | ||||||
| 4359 | CGF.EmitLoadOfScalar(SizeLVals[I], Data.DepExprs[I]->getExprLoc()); | ||||||
| 4360 | Sizes.push_back(Size); | ||||||
| 4361 | } | ||||||
| 4362 | return Sizes; | ||||||
| 4363 | } | ||||||
| 4364 | |||||||
| 4365 | void CGOpenMPRuntime::emitDepobjElements(CodeGenFunction &CGF, | ||||||
| 4366 | QualType &KmpDependInfoTy, | ||||||
| 4367 | LValue PosLVal, | ||||||
| 4368 | const OMPTaskDataTy::DependData &Data, | ||||||
| 4369 | Address DependenciesArray) { | ||||||
| 4370 | 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", 4371, __extension__ __PRETTY_FUNCTION__)) | ||||||
| 4371 | "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", 4371, __extension__ __PRETTY_FUNCTION__)); | ||||||
| 4372 | llvm::Value *ElSize = CGF.getTypeSize(KmpDependInfoTy); | ||||||
| 4373 | { | ||||||
| 4374 | OMPIteratorGeneratorScope IteratorScope( | ||||||
| 4375 | CGF, cast_or_null<OMPIteratorExpr>( | ||||||
| 4376 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | ||||||
| 4377 | : nullptr)); | ||||||
| 4378 | for (unsigned I = 0, End = Data.DepExprs.size(); I < End; ++I) { | ||||||
| 4379 | const Expr *E = Data.DepExprs[I]; | ||||||
| 4380 | llvm::Value *NumDeps; | ||||||
| 4381 | LValue Base; | ||||||
| 4382 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | ||||||
| 4383 | std::tie(NumDeps, Base) = | ||||||
| 4384 | getDepobjElements(CGF, DepobjLVal, E->getExprLoc()); | ||||||
| 4385 | |||||||
| 4386 | // memcopy dependency data. | ||||||
| 4387 | llvm::Value *Size = CGF.Builder.CreateNUWMul( | ||||||
| 4388 | ElSize, | ||||||
| 4389 | CGF.Builder.CreateIntCast(NumDeps, CGF.SizeTy, /*isSigned=*/false)); | ||||||
| 4390 | llvm::Value *Pos = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | ||||||
| 4391 | Address DepAddr = CGF.Builder.CreateGEP(DependenciesArray, Pos); | ||||||
| 4392 | CGF.Builder.CreateMemCpy(DepAddr, Base.getAddress(CGF), Size); | ||||||
| 4393 | |||||||
| 4394 | // Increase pos. | ||||||
| 4395 | // pos += size; | ||||||
| 4396 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(Pos, NumDeps); | ||||||
| 4397 | CGF.EmitStoreOfScalar(Add, PosLVal); | ||||||
| 4398 | } | ||||||
| 4399 | } | ||||||
| 4400 | } | ||||||
| 4401 | |||||||
| 4402 | std::pair<llvm::Value *, Address> CGOpenMPRuntime::emitDependClause( | ||||||
| 4403 | CodeGenFunction &CGF, ArrayRef<OMPTaskDataTy::DependData> Dependencies, | ||||||
| 4404 | SourceLocation Loc) { | ||||||
| 4405 | if (llvm::all_of(Dependencies, [](const OMPTaskDataTy::DependData &D) { | ||||||
| 4406 | return D.DepExprs.empty(); | ||||||
| 4407 | })) | ||||||
| 4408 | return std::make_pair(nullptr, Address::invalid()); | ||||||
| 4409 | // Process list of dependencies. | ||||||
| 4410 | ASTContext &C = CGM.getContext(); | ||||||
| 4411 | Address DependenciesArray = Address::invalid(); | ||||||
| 4412 | llvm::Value *NumOfElements = nullptr; | ||||||
| 4413 | unsigned NumDependencies = std::accumulate( | ||||||
| 4414 | Dependencies.begin(), Dependencies.end(), 0, | ||||||
| 4415 | [](unsigned V, const OMPTaskDataTy::DependData &D) { | ||||||
| 4416 | return D.DepKind == OMPC_DEPEND_depobj | ||||||
| 4417 | ? V | ||||||
| 4418 | : (V + (D.IteratorExpr ? 0 : D.DepExprs.size())); | ||||||
| 4419 | }); | ||||||
| 4420 | QualType FlagsTy; | ||||||
| 4421 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4422 | bool HasDepobjDeps = false; | ||||||
| 4423 | bool HasRegularWithIterators = false; | ||||||
| 4424 | llvm::Value *NumOfDepobjElements = llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4425 | llvm::Value *NumOfRegularWithIterators = | ||||||
| 4426 | llvm::ConstantInt::get(CGF.IntPtrTy, 0); | ||||||
| 4427 | // Calculate number of depobj dependencies and regular deps with the | ||||||
| 4428 | // iterators. | ||||||
| 4429 | for (const OMPTaskDataTy::DependData &D : Dependencies) { | ||||||
| 4430 | if (D.DepKind == OMPC_DEPEND_depobj) { | ||||||
| 4431 | SmallVector<llvm::Value *, 4> Sizes = | ||||||
| 4432 | emitDepobjElementsSizes(CGF, KmpDependInfoTy, D); | ||||||
| 4433 | for (llvm::Value *Size : Sizes) { | ||||||
| 4434 | NumOfDepobjElements = | ||||||
| 4435 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, Size); | ||||||
| 4436 | } | ||||||
| 4437 | HasDepobjDeps = true; | ||||||
| 4438 | continue; | ||||||
| 4439 | } | ||||||
| 4440 | // Include number of iterations, if any. | ||||||
| 4441 | |||||||
| 4442 | if (const auto *IE = cast_or_null<OMPIteratorExpr>(D.IteratorExpr)) { | ||||||
| 4443 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 4444 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 4445 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.IntPtrTy, /*isSigned=*/false); | ||||||
| 4446 | llvm::Value *NumClauseDeps = CGF.Builder.CreateNUWMul( | ||||||
| 4447 | Sz, llvm::ConstantInt::get(CGF.IntPtrTy, D.DepExprs.size())); | ||||||
| 4448 | NumOfRegularWithIterators = | ||||||
| 4449 | CGF.Builder.CreateNUWAdd(NumOfRegularWithIterators, NumClauseDeps); | ||||||
| 4450 | } | ||||||
| 4451 | HasRegularWithIterators = true; | ||||||
| 4452 | continue; | ||||||
| 4453 | } | ||||||
| 4454 | } | ||||||
| 4455 | |||||||
| 4456 | QualType KmpDependInfoArrayTy; | ||||||
| 4457 | if (HasDepobjDeps || HasRegularWithIterators) { | ||||||
| 4458 | NumOfElements = llvm::ConstantInt::get(CGM.IntPtrTy, NumDependencies, | ||||||
| 4459 | /*isSigned=*/false); | ||||||
| 4460 | if (HasDepobjDeps) { | ||||||
| 4461 | NumOfElements = | ||||||
| 4462 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, NumOfElements); | ||||||
| 4463 | } | ||||||
| 4464 | if (HasRegularWithIterators) { | ||||||
| 4465 | NumOfElements = | ||||||
| 4466 | CGF.Builder.CreateNUWAdd(NumOfRegularWithIterators, NumOfElements); | ||||||
| 4467 | } | ||||||
| 4468 | auto *OVE = new (C) OpaqueValueExpr( | ||||||
| 4469 | Loc, C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0), | ||||||
| 4470 | VK_PRValue); | ||||||
| 4471 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, OVE, | ||||||
| 4472 | RValue::get(NumOfElements)); | ||||||
| 4473 | KmpDependInfoArrayTy = | ||||||
| 4474 | C.getVariableArrayType(KmpDependInfoTy, OVE, ArrayType::Normal, | ||||||
| 4475 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | ||||||
| 4476 | // CGF.EmitVariablyModifiedType(KmpDependInfoArrayTy); | ||||||
| 4477 | // Properly emit variable-sized array. | ||||||
| 4478 | auto *PD = ImplicitParamDecl::Create(C, KmpDependInfoArrayTy, | ||||||
| 4479 | ImplicitParamDecl::Other); | ||||||
| 4480 | CGF.EmitVarDecl(*PD); | ||||||
| 4481 | DependenciesArray = CGF.GetAddrOfLocalVar(PD); | ||||||
| 4482 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | ||||||
| 4483 | /*isSigned=*/false); | ||||||
| 4484 | } else { | ||||||
| 4485 | KmpDependInfoArrayTy = C.getConstantArrayType( | ||||||
| 4486 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies), nullptr, | ||||||
| 4487 | ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4488 | DependenciesArray = | ||||||
| 4489 | CGF.CreateMemTemp(KmpDependInfoArrayTy, ".dep.arr.addr"); | ||||||
| 4490 | DependenciesArray = CGF.Builder.CreateConstArrayGEP(DependenciesArray, 0); | ||||||
| 4491 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumDependencies, | ||||||
| 4492 | /*isSigned=*/false); | ||||||
| 4493 | } | ||||||
| 4494 | unsigned Pos = 0; | ||||||
| 4495 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4496 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | ||||||
| 4497 | Dependencies[I].IteratorExpr) | ||||||
| 4498 | continue; | ||||||
| 4499 | emitDependData(CGF, KmpDependInfoTy, &Pos, Dependencies[I], | ||||||
| 4500 | DependenciesArray); | ||||||
| 4501 | } | ||||||
| 4502 | // Copy regular dependencies with iterators. | ||||||
| 4503 | LValue PosLVal = CGF.MakeAddrLValue( | ||||||
| 4504 | CGF.CreateMemTemp(C.getSizeType(), "dep.counter.addr"), C.getSizeType()); | ||||||
| 4505 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | ||||||
| 4506 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4507 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | ||||||
| 4508 | !Dependencies[I].IteratorExpr) | ||||||
| 4509 | continue; | ||||||
| 4510 | emitDependData(CGF, KmpDependInfoTy, &PosLVal, Dependencies[I], | ||||||
| 4511 | DependenciesArray); | ||||||
| 4512 | } | ||||||
| 4513 | // Copy final depobj arrays without iterators. | ||||||
| 4514 | if (HasDepobjDeps) { | ||||||
| 4515 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | ||||||
| 4516 | if (Dependencies[I].DepKind != OMPC_DEPEND_depobj) | ||||||
| 4517 | continue; | ||||||
| 4518 | emitDepobjElements(CGF, KmpDependInfoTy, PosLVal, Dependencies[I], | ||||||
| 4519 | DependenciesArray); | ||||||
| 4520 | } | ||||||
| 4521 | } | ||||||
| 4522 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4523 | DependenciesArray, CGF.VoidPtrTy, CGF.Int8Ty); | ||||||
| 4524 | return std::make_pair(NumOfElements, DependenciesArray); | ||||||
| 4525 | } | ||||||
| 4526 | |||||||
| 4527 | Address CGOpenMPRuntime::emitDepobjDependClause( | ||||||
| 4528 | CodeGenFunction &CGF, const OMPTaskDataTy::DependData &Dependencies, | ||||||
| 4529 | SourceLocation Loc) { | ||||||
| 4530 | if (Dependencies.DepExprs.empty()) | ||||||
| |||||||
| 4531 | return Address::invalid(); | ||||||
| 4532 | // Process list of dependencies. | ||||||
| 4533 | ASTContext &C = CGM.getContext(); | ||||||
| 4534 | Address DependenciesArray = Address::invalid(); | ||||||
| 4535 | unsigned NumDependencies = Dependencies.DepExprs.size(); | ||||||
| 4536 | QualType FlagsTy; | ||||||
| 4537 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4538 | RecordDecl *KmpDependInfoRD = | ||||||
| 4539 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4540 | |||||||
| 4541 | llvm::Value *Size; | ||||||
| 4542 | // Define type kmp_depend_info[<Dependencies.size()>]; | ||||||
| 4543 | // For depobj reserve one extra element to store the number of elements. | ||||||
| 4544 | // It is required to handle depobj(x) update(in) construct. | ||||||
| 4545 | // kmp_depend_info[<Dependencies.size()>] deps; | ||||||
| 4546 | llvm::Value *NumDepsVal; | ||||||
| 4547 | CharUnits Align = C.getTypeAlignInChars(KmpDependInfoTy); | ||||||
| 4548 | if (const auto *IE
| ||||||
| 4549 | cast_or_null<OMPIteratorExpr>(Dependencies.IteratorExpr)) { | ||||||
| 4550 | NumDepsVal = llvm::ConstantInt::get(CGF.SizeTy, 1); | ||||||
| 4551 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | ||||||
| 4552 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | ||||||
| 4553 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | ||||||
| 4554 | NumDepsVal = CGF.Builder.CreateNUWMul(NumDepsVal, Sz); | ||||||
| 4555 | } | ||||||
| 4556 | Size = CGF.Builder.CreateNUWAdd(llvm::ConstantInt::get(CGF.SizeTy, 1), | ||||||
| 4557 | NumDepsVal); | ||||||
| 4558 | CharUnits SizeInBytes = | ||||||
| 4559 | C.getTypeSizeInChars(KmpDependInfoTy).alignTo(Align); | ||||||
| 4560 | llvm::Value *RecSize = CGM.getSize(SizeInBytes); | ||||||
| 4561 | Size = CGF.Builder.CreateNUWMul(Size, RecSize); | ||||||
| 4562 | NumDepsVal = | ||||||
| 4563 | CGF.Builder.CreateIntCast(NumDepsVal, CGF.IntPtrTy, /*isSigned=*/false); | ||||||
| 4564 | } else { | ||||||
| 4565 | QualType KmpDependInfoArrayTy = C.getConstantArrayType( | ||||||
| 4566 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies + 1), | ||||||
| 4567 | nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 4568 | CharUnits Sz = C.getTypeSizeInChars(KmpDependInfoArrayTy); | ||||||
| 4569 | Size = CGM.getSize(Sz.alignTo(Align)); | ||||||
| 4570 | NumDepsVal = llvm::ConstantInt::get(CGF.IntPtrTy, NumDependencies); | ||||||
| 4571 | } | ||||||
| 4572 | // Need to allocate on the dynamic memory. | ||||||
| 4573 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4574 | // Use default allocator. | ||||||
| 4575 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4576 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | ||||||
| 4577 | |||||||
| 4578 | llvm::Value *Addr = | ||||||
| 4579 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4580 | CGM.getModule(), OMPRTL___kmpc_alloc), | ||||||
| 4581 | Args, ".dep.arr.addr"); | ||||||
| 4582 | llvm::Type *KmpDependInfoLlvmTy = CGF.ConvertTypeForMem(KmpDependInfoTy); | ||||||
| 4583 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4584 | Addr, KmpDependInfoLlvmTy->getPointerTo()); | ||||||
| 4585 | DependenciesArray = Address(Addr, KmpDependInfoLlvmTy, Align); | ||||||
| 4586 | // Write number of elements in the first element of array for depobj. | ||||||
| 4587 | LValue Base = CGF.MakeAddrLValue(DependenciesArray, KmpDependInfoTy); | ||||||
| 4588 | // deps[i].base_addr = NumDependencies; | ||||||
| 4589 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||||
| 4590 | Base, | ||||||
| 4591 | *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4592 | static_cast<unsigned int>(RTLDependInfoFields::BaseAddr))); | ||||||
| 4593 | CGF.EmitStoreOfScalar(NumDepsVal, BaseAddrLVal); | ||||||
| 4594 | llvm::PointerUnion<unsigned *, LValue *> Pos; | ||||||
| 4595 | unsigned Idx = 1; | ||||||
| 4596 | LValue PosLVal; | ||||||
| 4597 | if (Dependencies.IteratorExpr
| ||||||
| 4598 | PosLVal = CGF.MakeAddrLValue( | ||||||
| 4599 | CGF.CreateMemTemp(C.getSizeType(), "iterator.counter.addr"), | ||||||
| 4600 | C.getSizeType()); | ||||||
| 4601 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Idx), PosLVal, | ||||||
| 4602 | /*IsInit=*/true); | ||||||
| 4603 | Pos = &PosLVal; | ||||||
| 4604 | } else { | ||||||
| 4605 | Pos = &Idx; | ||||||
| 4606 | } | ||||||
| 4607 | emitDependData(CGF, KmpDependInfoTy, Pos, Dependencies, DependenciesArray); | ||||||
| 4608 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4609 | CGF.Builder.CreateConstGEP(DependenciesArray, 1), CGF.VoidPtrTy, | ||||||
| 4610 | CGF.Int8Ty); | ||||||
| 4611 | return DependenciesArray; | ||||||
| 4612 | } | ||||||
| 4613 | |||||||
| 4614 | void CGOpenMPRuntime::emitDestroyClause(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4615 | SourceLocation Loc) { | ||||||
| 4616 | ASTContext &C = CGM.getContext(); | ||||||
| 4617 | QualType FlagsTy; | ||||||
| 4618 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4619 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||||
| 4620 | DepobjLVal.getAddress(CGF), C.VoidPtrTy.castAs<PointerType>()); | ||||||
| 4621 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | ||||||
| 4622 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4623 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy), | ||||||
| 4624 | CGF.ConvertTypeForMem(KmpDependInfoTy)); | ||||||
| 4625 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | ||||||
| 4626 | Addr.getElementType(), Addr.getPointer(), | ||||||
| 4627 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | ||||||
| 4628 | DepObjAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(DepObjAddr, | ||||||
| 4629 | CGF.VoidPtrTy); | ||||||
| 4630 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4631 | // Use default allocator. | ||||||
| 4632 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4633 | llvm::Value *Args[] = {ThreadID, DepObjAddr, Allocator}; | ||||||
| 4634 | |||||||
| 4635 | // _kmpc_free(gtid, addr, nullptr); | ||||||
| 4636 | (void)CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4637 | CGM.getModule(), OMPRTL___kmpc_free), | ||||||
| 4638 | Args); | ||||||
| 4639 | } | ||||||
| 4640 | |||||||
| 4641 | void CGOpenMPRuntime::emitUpdateClause(CodeGenFunction &CGF, LValue DepobjLVal, | ||||||
| 4642 | OpenMPDependClauseKind NewDepKind, | ||||||
| 4643 | SourceLocation Loc) { | ||||||
| 4644 | ASTContext &C = CGM.getContext(); | ||||||
| 4645 | QualType FlagsTy; | ||||||
| 4646 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | ||||||
| 4647 | RecordDecl *KmpDependInfoRD = | ||||||
| 4648 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||||
| 4649 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | ||||||
| 4650 | llvm::Value *NumDeps; | ||||||
| 4651 | LValue Base; | ||||||
| 4652 | std::tie(NumDeps, Base) = getDepobjElements(CGF, DepobjLVal, Loc); | ||||||
| 4653 | |||||||
| 4654 | Address Begin = Base.getAddress(CGF); | ||||||
| 4655 | // Cast from pointer to array type to pointer to single element. | ||||||
| 4656 | llvm::Value *End = CGF.Builder.CreateGEP( | ||||||
| 4657 | Begin.getElementType(), Begin.getPointer(), NumDeps); | ||||||
| 4658 | // The basic structure here is a while-do loop. | ||||||
| 4659 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.body"); | ||||||
| 4660 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.done"); | ||||||
| 4661 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||||
| 4662 | CGF.EmitBlock(BodyBB); | ||||||
| 4663 | llvm::PHINode *ElementPHI = | ||||||
| 4664 | CGF.Builder.CreatePHI(Begin.getType(), 2, "omp.elementPast"); | ||||||
| 4665 | ElementPHI->addIncoming(Begin.getPointer(), EntryBB); | ||||||
| 4666 | Begin = Begin.withPointer(ElementPHI, KnownNonNull); | ||||||
| 4667 | Base = CGF.MakeAddrLValue(Begin, KmpDependInfoTy, Base.getBaseInfo(), | ||||||
| 4668 | Base.getTBAAInfo()); | ||||||
| 4669 | // deps[i].flags = NewDepKind; | ||||||
| 4670 | RTLDependenceKindTy DepKind = translateDependencyKind(NewDepKind); | ||||||
| 4671 | LValue FlagsLVal = CGF.EmitLValueForField( | ||||||
| 4672 | Base, *std::next(KmpDependInfoRD->field_begin(), | ||||||
| 4673 | static_cast<unsigned int>(RTLDependInfoFields::Flags))); | ||||||
| 4674 | CGF.EmitStoreOfScalar( | ||||||
| 4675 | llvm::ConstantInt::get(LLVMFlagsTy, static_cast<unsigned int>(DepKind)), | ||||||
| 4676 | FlagsLVal); | ||||||
| 4677 | |||||||
| 4678 | // Shift the address forward by one element. | ||||||
| 4679 | Address ElementNext = | ||||||
| 4680 | CGF.Builder.CreateConstGEP(Begin, /*Index=*/1, "omp.elementNext"); | ||||||
| 4681 | ElementPHI->addIncoming(ElementNext.getPointer(), | ||||||
| 4682 | CGF.Builder.GetInsertBlock()); | ||||||
| 4683 | llvm::Value *IsEmpty = | ||||||
| 4684 | CGF.Builder.CreateICmpEQ(ElementNext.getPointer(), End, "omp.isempty"); | ||||||
| 4685 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 4686 | // Done. | ||||||
| 4687 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 4688 | } | ||||||
| 4689 | |||||||
| 4690 | void CGOpenMPRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 4691 | const OMPExecutableDirective &D, | ||||||
| 4692 | llvm::Function *TaskFunction, | ||||||
| 4693 | QualType SharedsTy, Address Shareds, | ||||||
| 4694 | const Expr *IfCond, | ||||||
| 4695 | const OMPTaskDataTy &Data) { | ||||||
| 4696 | if (!CGF.HaveInsertPoint()) | ||||||
| 4697 | return; | ||||||
| 4698 | |||||||
| 4699 | TaskResultTy Result = | ||||||
| 4700 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||||
| 4701 | llvm::Value *NewTask = Result.NewTask; | ||||||
| 4702 | llvm::Function *TaskEntry = Result.TaskEntry; | ||||||
| 4703 | llvm::Value *NewTaskNewTaskTTy = Result.NewTaskNewTaskTTy; | ||||||
| 4704 | LValue TDBase = Result.TDBase; | ||||||
| 4705 | const RecordDecl *KmpTaskTQTyRD = Result.KmpTaskTQTyRD; | ||||||
| 4706 | // Process list of dependences. | ||||||
| 4707 | Address DependenciesArray = Address::invalid(); | ||||||
| 4708 | llvm::Value *NumOfElements; | ||||||
| 4709 | std::tie(NumOfElements, DependenciesArray) = | ||||||
| 4710 | emitDependClause(CGF, Data.Dependences, Loc); | ||||||
| 4711 | |||||||
| 4712 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||||
| 4713 | // libcall. | ||||||
| 4714 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | ||||||
| 4715 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | ||||||
| 4716 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list) if dependence | ||||||
| 4717 | // list is not empty | ||||||
| 4718 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4719 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 4720 | llvm::Value *TaskArgs[] = { UpLoc, ThreadID, NewTask }; | ||||||
| 4721 | llvm::Value *DepTaskArgs[7]; | ||||||
| 4722 | if (!Data.Dependences.empty()) { | ||||||
| 4723 | DepTaskArgs[0] = UpLoc; | ||||||
| 4724 | DepTaskArgs[1] = ThreadID; | ||||||
| 4725 | DepTaskArgs[2] = NewTask; | ||||||
| 4726 | DepTaskArgs[3] = NumOfElements; | ||||||
| 4727 | DepTaskArgs[4] = DependenciesArray.getPointer(); | ||||||
| 4728 | DepTaskArgs[5] = CGF.Builder.getInt32(0); | ||||||
| 4729 | DepTaskArgs[6] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4730 | } | ||||||
| 4731 | auto &&ThenCodeGen = [this, &Data, TDBase, KmpTaskTQTyRD, &TaskArgs, | ||||||
| 4732 | &DepTaskArgs](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 4733 | if (!Data.Tied) { | ||||||
| 4734 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||||
| 4735 | LValue PartIdLVal = CGF.EmitLValueForField(TDBase, *PartIdFI); | ||||||
| 4736 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(0), PartIdLVal); | ||||||
| 4737 | } | ||||||
| 4738 | if (!Data.Dependences.empty()) { | ||||||
| 4739 | CGF.EmitRuntimeCall( | ||||||
| 4740 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4741 | CGM.getModule(), OMPRTL___kmpc_omp_task_with_deps), | ||||||
| 4742 | DepTaskArgs); | ||||||
| 4743 | } else { | ||||||
| 4744 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4745 | CGM.getModule(), OMPRTL___kmpc_omp_task), | ||||||
| 4746 | TaskArgs); | ||||||
| 4747 | } | ||||||
| 4748 | // Check if parent region is untied and build return for untied task; | ||||||
| 4749 | if (auto *Region = | ||||||
| 4750 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||||
| 4751 | Region->emitUntiedSwitch(CGF); | ||||||
| 4752 | }; | ||||||
| 4753 | |||||||
| 4754 | llvm::Value *DepWaitTaskArgs[7]; | ||||||
| 4755 | if (!Data.Dependences.empty()) { | ||||||
| 4756 | DepWaitTaskArgs[0] = UpLoc; | ||||||
| 4757 | DepWaitTaskArgs[1] = ThreadID; | ||||||
| 4758 | DepWaitTaskArgs[2] = NumOfElements; | ||||||
| 4759 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | ||||||
| 4760 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | ||||||
| 4761 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||||
| 4762 | DepWaitTaskArgs[6] = | ||||||
| 4763 | llvm::ConstantInt::get(CGF.Int32Ty, Data.HasNowaitClause); | ||||||
| 4764 | } | ||||||
| 4765 | auto &M = CGM.getModule(); | ||||||
| 4766 | auto &&ElseCodeGen = [this, &M, &TaskArgs, ThreadID, NewTaskNewTaskTTy, | ||||||
| 4767 | TaskEntry, &Data, &DepWaitTaskArgs, | ||||||
| 4768 | Loc](CodeGenFunction &CGF, PrePostActionTy &) { | ||||||
| 4769 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | ||||||
| 4770 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | ||||||
| 4771 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | ||||||
| 4772 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); if dependence info | ||||||
| 4773 | // is specified. | ||||||
| 4774 | if (!Data.Dependences.empty()) | ||||||
| 4775 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4776 | M, OMPRTL___kmpc_omp_taskwait_deps_51), | ||||||
| 4777 | DepWaitTaskArgs); | ||||||
| 4778 | // Call proxy_task_entry(gtid, new_task); | ||||||
| 4779 | auto &&CodeGen = [TaskEntry, ThreadID, NewTaskNewTaskTTy, | ||||||
| 4780 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 4781 | Action.Enter(CGF); | ||||||
| 4782 | llvm::Value *OutlinedFnArgs[] = {ThreadID, NewTaskNewTaskTTy}; | ||||||
| 4783 | CGF.CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskEntry, | ||||||
| 4784 | OutlinedFnArgs); | ||||||
| 4785 | }; | ||||||
| 4786 | |||||||
| 4787 | // Build void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | ||||||
| 4788 | // kmp_task_t *new_task); | ||||||
| 4789 | // Build void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | ||||||
| 4790 | // kmp_task_t *new_task); | ||||||
| 4791 | RegionCodeGenTy RCG(CodeGen); | ||||||
| 4792 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4793 | M, OMPRTL___kmpc_omp_task_begin_if0), | ||||||
| 4794 | TaskArgs, | ||||||
| 4795 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4796 | M, OMPRTL___kmpc_omp_task_complete_if0), | ||||||
| 4797 | TaskArgs); | ||||||
| 4798 | RCG.setAction(Action); | ||||||
| 4799 | RCG(CGF); | ||||||
| 4800 | }; | ||||||
| 4801 | |||||||
| 4802 | if (IfCond) { | ||||||
| 4803 | emitIfClause(CGF, IfCond, ThenCodeGen, ElseCodeGen); | ||||||
| 4804 | } else { | ||||||
| 4805 | RegionCodeGenTy ThenRCG(ThenCodeGen); | ||||||
| 4806 | ThenRCG(CGF); | ||||||
| 4807 | } | ||||||
| 4808 | } | ||||||
| 4809 | |||||||
| 4810 | void CGOpenMPRuntime::emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 4811 | const OMPLoopDirective &D, | ||||||
| 4812 | llvm::Function *TaskFunction, | ||||||
| 4813 | QualType SharedsTy, Address Shareds, | ||||||
| 4814 | const Expr *IfCond, | ||||||
| 4815 | const OMPTaskDataTy &Data) { | ||||||
| 4816 | if (!CGF.HaveInsertPoint()) | ||||||
| 4817 | return; | ||||||
| 4818 | TaskResultTy Result = | ||||||
| 4819 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||||
| 4820 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||||
| 4821 | // libcall. | ||||||
| 4822 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | ||||||
| 4823 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | ||||||
| 4824 | // sched, kmp_uint64 grainsize, void *task_dup); | ||||||
| 4825 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||||
| 4826 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||||
| 4827 | llvm::Value *IfVal; | ||||||
| 4828 | if (IfCond) { | ||||||
| 4829 | IfVal = CGF.Builder.CreateIntCast(CGF.EvaluateExprAsBool(IfCond), CGF.IntTy, | ||||||
| 4830 | /*isSigned=*/true); | ||||||
| 4831 | } else { | ||||||
| 4832 | IfVal = llvm::ConstantInt::getSigned(CGF.IntTy, /*V=*/1); | ||||||
| 4833 | } | ||||||
| 4834 | |||||||
| 4835 | LValue LBLVal = CGF.EmitLValueForField( | ||||||
| 4836 | Result.TDBase, | ||||||
| 4837 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound)); | ||||||
| 4838 | const auto *LBVar = | ||||||
| 4839 | cast<VarDecl>(cast<DeclRefExpr>(D.getLowerBoundVariable())->getDecl()); | ||||||
| 4840 | CGF.EmitAnyExprToMem(LBVar->getInit(), LBLVal.getAddress(CGF), | ||||||
| 4841 | LBLVal.getQuals(), | ||||||
| 4842 | /*IsInitializer=*/true); | ||||||
| 4843 | LValue UBLVal = CGF.EmitLValueForField( | ||||||
| 4844 | Result.TDBase, | ||||||
| 4845 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound)); | ||||||
| 4846 | const auto *UBVar = | ||||||
| 4847 | cast<VarDecl>(cast<DeclRefExpr>(D.getUpperBoundVariable())->getDecl()); | ||||||
| 4848 | CGF.EmitAnyExprToMem(UBVar->getInit(), UBLVal.getAddress(CGF), | ||||||
| 4849 | UBLVal.getQuals(), | ||||||
| 4850 | /*IsInitializer=*/true); | ||||||
| 4851 | LValue StLVal = CGF.EmitLValueForField( | ||||||
| 4852 | Result.TDBase, | ||||||
| 4853 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTStride)); | ||||||
| 4854 | const auto *StVar = | ||||||
| 4855 | cast<VarDecl>(cast<DeclRefExpr>(D.getStrideVariable())->getDecl()); | ||||||
| 4856 | CGF.EmitAnyExprToMem(StVar->getInit(), StLVal.getAddress(CGF), | ||||||
| 4857 | StLVal.getQuals(), | ||||||
| 4858 | /*IsInitializer=*/true); | ||||||
| 4859 | // Store reductions address. | ||||||
| 4860 | LValue RedLVal = CGF.EmitLValueForField( | ||||||
| 4861 | Result.TDBase, | ||||||
| 4862 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTReductions)); | ||||||
| 4863 | if (Data.Reductions) { | ||||||
| 4864 | CGF.EmitStoreOfScalar(Data.Reductions, RedLVal); | ||||||
| 4865 | } else { | ||||||
| 4866 | CGF.EmitNullInitialization(RedLVal.getAddress(CGF), | ||||||
| 4867 | CGF.getContext().VoidPtrTy); | ||||||
| 4868 | } | ||||||
| 4869 | enum { NoSchedule = 0, Grainsize = 1, NumTasks = 2 }; | ||||||
| 4870 | llvm::Value *TaskArgs[] = { | ||||||
| 4871 | UpLoc, | ||||||
| 4872 | ThreadID, | ||||||
| 4873 | Result.NewTask, | ||||||
| 4874 | IfVal, | ||||||
| 4875 | LBLVal.getPointer(CGF), | ||||||
| 4876 | UBLVal.getPointer(CGF), | ||||||
| 4877 | CGF.EmitLoadOfScalar(StLVal, Loc), | ||||||
| 4878 | llvm::ConstantInt::getSigned( | ||||||
| 4879 | CGF.IntTy, 1), // Always 1 because taskgroup emitted by the compiler | ||||||
| 4880 | llvm::ConstantInt::getSigned( | ||||||
| 4881 | CGF.IntTy, Data.Schedule.getPointer() | ||||||
| 4882 | ? Data.Schedule.getInt() ? NumTasks : Grainsize | ||||||
| 4883 | : NoSchedule), | ||||||
| 4884 | Data.Schedule.getPointer() | ||||||
| 4885 | ? CGF.Builder.CreateIntCast(Data.Schedule.getPointer(), CGF.Int64Ty, | ||||||
| 4886 | /*isSigned=*/false) | ||||||
| 4887 | : llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/0), | ||||||
| 4888 | Result.TaskDupFn ? CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 4889 | Result.TaskDupFn, CGF.VoidPtrTy) | ||||||
| 4890 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy)}; | ||||||
| 4891 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 4892 | CGM.getModule(), OMPRTL___kmpc_taskloop), | ||||||
| 4893 | TaskArgs); | ||||||
| 4894 | } | ||||||
| 4895 | |||||||
| 4896 | /// Emit reduction operation for each element of array (required for | ||||||
| 4897 | /// array sections) LHS op = RHS. | ||||||
| 4898 | /// \param Type Type of array. | ||||||
| 4899 | /// \param LHSVar Variable on the left side of the reduction operation | ||||||
| 4900 | /// (references element of array in original variable). | ||||||
| 4901 | /// \param RHSVar Variable on the right side of the reduction operation | ||||||
| 4902 | /// (references element of array in original variable). | ||||||
| 4903 | /// \param RedOpGen Generator of reduction operation with use of LHSVar and | ||||||
| 4904 | /// RHSVar. | ||||||
| 4905 | static void EmitOMPAggregateReduction( | ||||||
| 4906 | CodeGenFunction &CGF, QualType Type, const VarDecl *LHSVar, | ||||||
| 4907 | const VarDecl *RHSVar, | ||||||
| 4908 | const llvm::function_ref<void(CodeGenFunction &CGF, const Expr *, | ||||||
| 4909 | const Expr *, const Expr *)> &RedOpGen, | ||||||
| 4910 | const Expr *XExpr = nullptr, const Expr *EExpr = nullptr, | ||||||
| 4911 | const Expr *UpExpr = nullptr) { | ||||||
| 4912 | // Perform element-by-element initialization. | ||||||
| 4913 | QualType ElementTy; | ||||||
| 4914 | Address LHSAddr = CGF.GetAddrOfLocalVar(LHSVar); | ||||||
| 4915 | Address RHSAddr = CGF.GetAddrOfLocalVar(RHSVar); | ||||||
| 4916 | |||||||
| 4917 | // Drill down to the base element type on both arrays. | ||||||
| 4918 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | ||||||
| 4919 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, LHSAddr); | ||||||
| 4920 | |||||||
| 4921 | llvm::Value *RHSBegin = RHSAddr.getPointer(); | ||||||
| 4922 | llvm::Value *LHSBegin = LHSAddr.getPointer(); | ||||||
| 4923 | // Cast from pointer to array type to pointer to single element. | ||||||
| 4924 | llvm::Value *LHSEnd = | ||||||
| 4925 | CGF.Builder.CreateGEP(LHSAddr.getElementType(), LHSBegin, NumElements); | ||||||
| 4926 | // The basic structure here is a while-do loop. | ||||||
| 4927 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arraycpy.body"); | ||||||
| 4928 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arraycpy.done"); | ||||||
| 4929 | llvm::Value *IsEmpty = | ||||||
| 4930 | CGF.Builder.CreateICmpEQ(LHSBegin, LHSEnd, "omp.arraycpy.isempty"); | ||||||
| 4931 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||||
| 4932 | |||||||
| 4933 | // Enter the loop body, making that address the current address. | ||||||
| 4934 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||||
| 4935 | CGF.EmitBlock(BodyBB); | ||||||
| 4936 | |||||||
| 4937 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | ||||||
| 4938 | |||||||
| 4939 | llvm::PHINode *RHSElementPHI = CGF.Builder.CreatePHI( | ||||||
| 4940 | RHSBegin->getType(), 2, "omp.arraycpy.srcElementPast"); | ||||||
| 4941 | RHSElementPHI->addIncoming(RHSBegin, EntryBB); | ||||||
| 4942 | Address RHSElementCurrent( | ||||||
| 4943 | RHSElementPHI, RHSAddr.getElementType(), | ||||||
| 4944 | RHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 4945 | |||||||
| 4946 | llvm::PHINode *LHSElementPHI = CGF.Builder.CreatePHI( | ||||||
| 4947 | LHSBegin->getType(), 2, "omp.arraycpy.destElementPast"); | ||||||
| 4948 | LHSElementPHI->addIncoming(LHSBegin, EntryBB); | ||||||
| 4949 | Address LHSElementCurrent( | ||||||
| 4950 | LHSElementPHI, LHSAddr.getElementType(), | ||||||
| 4951 | LHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||||
| 4952 | |||||||
| 4953 | // Emit copy. | ||||||
| 4954 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||||
| 4955 | Scope.addPrivate(LHSVar, LHSElementCurrent); | ||||||
| 4956 | Scope.addPrivate(RHSVar, RHSElementCurrent); | ||||||
| 4957 | Scope.Privatize(); | ||||||
| 4958 | RedOpGen(CGF, XExpr, EExpr, UpExpr); | ||||||
| 4959 | Scope.ForceCleanup(); | ||||||
| 4960 | |||||||
| 4961 | // Shift the address forward by one element. | ||||||
| 4962 | llvm::Value *LHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 4963 | LHSAddr.getElementType(), LHSElementPHI, /*Idx0=*/1, | ||||||
| 4964 | "omp.arraycpy.dest.element"); | ||||||
| 4965 | llvm::Value *RHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||||
| 4966 | RHSAddr.getElementType(), RHSElementPHI, /*Idx0=*/1, | ||||||
| 4967 | "omp.arraycpy.src.element"); | ||||||
| 4968 | // Check whether we've reached the end. | ||||||
| 4969 | llvm::Value *Done = | ||||||
| 4970 | CGF.Builder.CreateICmpEQ(LHSElementNext, LHSEnd, "omp.arraycpy.done"); | ||||||
| 4971 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | ||||||
| 4972 | LHSElementPHI->addIncoming(LHSElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 4973 | RHSElementPHI->addIncoming(RHSElementNext, CGF.Builder.GetInsertBlock()); | ||||||
| 4974 | |||||||
| 4975 | // Done. | ||||||
| 4976 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||||
| 4977 | } | ||||||
| 4978 | |||||||
| 4979 | /// Emit reduction combiner. If the combiner is a simple expression emit it as | ||||||
| 4980 | /// is, otherwise consider it as combiner of UDR decl and emit it as a call of | ||||||
| 4981 | /// UDR combiner function. | ||||||
| 4982 | static void emitReductionCombiner(CodeGenFunction &CGF, | ||||||
| 4983 | const Expr *ReductionOp) { | ||||||
| 4984 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | ||||||
| 4985 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | ||||||
| 4986 | if (const auto *DRE = | ||||||
| 4987 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | ||||||
| 4988 | if (const auto *DRD = | ||||||
| 4989 | dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) { | ||||||
| 4990 | std::pair<llvm::Function *, llvm::Function *> Reduction = | ||||||
| 4991 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | ||||||
| 4992 | RValue Func = RValue::get(Reduction.first); | ||||||
| 4993 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | ||||||
| 4994 | CGF.EmitIgnoredExpr(ReductionOp); | ||||||
| 4995 | return; | ||||||
| 4996 | } | ||||||
| 4997 | CGF.EmitIgnoredExpr(ReductionOp); | ||||||
| 4998 | } | ||||||
| 4999 | |||||||
| 5000 | llvm::Function *CGOpenMPRuntime::emitReductionFunction( | ||||||
| 5001 | SourceLocation Loc, llvm::Type *ArgsElemType, | ||||||
| 5002 | ArrayRef<const Expr *> Privates, ArrayRef<const Expr *> LHSExprs, | ||||||
| 5003 | ArrayRef<const Expr *> RHSExprs, ArrayRef<const Expr *> ReductionOps) { | ||||||
| 5004 | ASTContext &C = CGM.getContext(); | ||||||
| 5005 | |||||||
| 5006 | // void reduction_func(void *LHSArg, void *RHSArg); | ||||||
| 5007 | FunctionArgList Args; | ||||||
| 5008 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5009 | ImplicitParamDecl::Other); | ||||||
| 5010 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5011 | ImplicitParamDecl::Other); | ||||||
| 5012 | Args.push_back(&LHSArg); | ||||||
| 5013 | Args.push_back(&RHSArg); | ||||||
| 5014 | const auto &CGFI = | ||||||
| 5015 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5016 | std::string Name = getName({"omp", "reduction", "reduction_func"}); | ||||||
| 5017 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||||
| 5018 | llvm::GlobalValue::InternalLinkage, Name, | ||||||
| 5019 | &CGM.getModule()); | ||||||
| 5020 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||||
| 5021 | Fn->setDoesNotRecurse(); | ||||||
| 5022 | CodeGenFunction CGF(CGM); | ||||||
| 5023 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||||
| 5024 | |||||||
| 5025 | // Dst = (void*[n])(LHSArg); | ||||||
| 5026 | // Src = (void*[n])(RHSArg); | ||||||
| 5027 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5028 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||||
| 5029 | ArgsElemType->getPointerTo()), | ||||||
| 5030 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 5031 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5032 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||||
| 5033 | ArgsElemType->getPointerTo()), | ||||||
| 5034 | ArgsElemType, CGF.getPointerAlign()); | ||||||
| 5035 | |||||||
| 5036 | // ... | ||||||
| 5037 | // *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); | ||||||
| 5038 | // ... | ||||||
| 5039 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||||
| 5040 | const auto *IPriv = Privates.begin(); | ||||||
| 5041 | unsigned Idx = 0; | ||||||
| 5042 | for (unsigned I = 0, E = ReductionOps.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||||
| 5043 | const auto *RHSVar = | ||||||
| 5044 | cast<VarDecl>(cast<DeclRefExpr>(RHSExprs[I])->getDecl()); | ||||||
| 5045 | Scope.addPrivate(RHSVar, emitAddrOfVarFromArray(CGF, RHS, Idx, RHSVar)); | ||||||
| 5046 | const auto *LHSVar = | ||||||
| 5047 | cast<VarDecl>(cast<DeclRefExpr>(LHSExprs[I])->getDecl()); | ||||||
| 5048 | Scope.addPrivate(LHSVar, emitAddrOfVarFromArray(CGF, LHS, Idx, LHSVar)); | ||||||
| 5049 | QualType PrivTy = (*IPriv)->getType(); | ||||||
| 5050 | if (PrivTy->isVariablyModifiedType()) { | ||||||
| 5051 | // Get array size and emit VLA type. | ||||||
| 5052 | ++Idx; | ||||||
| 5053 | Address Elem = CGF.Builder.CreateConstArrayGEP(LHS, Idx); | ||||||
| 5054 | llvm::Value *Ptr = CGF.Builder.CreateLoad(Elem); | ||||||
| 5055 | const VariableArrayType *VLA = | ||||||
| 5056 | CGF.getContext().getAsVariableArrayType(PrivTy); | ||||||
| 5057 | const auto *OVE = cast<OpaqueValueExpr>(VLA->getSizeExpr()); | ||||||
| 5058 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||||
| 5059 | CGF, OVE, RValue::get(CGF.Builder.CreatePtrToInt(Ptr, CGF.SizeTy))); | ||||||
| 5060 | CGF.EmitVariablyModifiedType(PrivTy); | ||||||
| 5061 | } | ||||||
| 5062 | } | ||||||
| 5063 | Scope.Privatize(); | ||||||
| 5064 | IPriv = Privates.begin(); | ||||||
| 5065 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5066 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5067 | for (const Expr *E : ReductionOps) { | ||||||
| 5068 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5069 | // Emit reduction for array section. | ||||||
| 5070 | const auto *LHSVar = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5071 | const auto *RHSVar = cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5072 | EmitOMPAggregateReduction( | ||||||
| 5073 | CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||||
| 5074 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||||
| 5075 | emitReductionCombiner(CGF, E); | ||||||
| 5076 | }); | ||||||
| 5077 | } else { | ||||||
| 5078 | // Emit reduction for array subscript or single variable. | ||||||
| 5079 | emitReductionCombiner(CGF, E); | ||||||
| 5080 | } | ||||||
| 5081 | ++IPriv; | ||||||
| 5082 | ++ILHS; | ||||||
| 5083 | ++IRHS; | ||||||
| 5084 | } | ||||||
| 5085 | Scope.ForceCleanup(); | ||||||
| 5086 | CGF.FinishFunction(); | ||||||
| 5087 | return Fn; | ||||||
| 5088 | } | ||||||
| 5089 | |||||||
| 5090 | void CGOpenMPRuntime::emitSingleReductionCombiner(CodeGenFunction &CGF, | ||||||
| 5091 | const Expr *ReductionOp, | ||||||
| 5092 | const Expr *PrivateRef, | ||||||
| 5093 | const DeclRefExpr *LHS, | ||||||
| 5094 | const DeclRefExpr *RHS) { | ||||||
| 5095 | if (PrivateRef->getType()->isArrayType()) { | ||||||
| 5096 | // Emit reduction for array section. | ||||||
| 5097 | const auto *LHSVar = cast<VarDecl>(LHS->getDecl()); | ||||||
| 5098 | const auto *RHSVar = cast<VarDecl>(RHS->getDecl()); | ||||||
| 5099 | EmitOMPAggregateReduction( | ||||||
| 5100 | CGF, PrivateRef->getType(), LHSVar, RHSVar, | ||||||
| 5101 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||||
| 5102 | emitReductionCombiner(CGF, ReductionOp); | ||||||
| 5103 | }); | ||||||
| 5104 | } else { | ||||||
| 5105 | // Emit reduction for array subscript or single variable. | ||||||
| 5106 | emitReductionCombiner(CGF, ReductionOp); | ||||||
| 5107 | } | ||||||
| 5108 | } | ||||||
| 5109 | |||||||
| 5110 | void CGOpenMPRuntime::emitReduction(CodeGenFunction &CGF, SourceLocation Loc, | ||||||
| 5111 | ArrayRef<const Expr *> Privates, | ||||||
| 5112 | ArrayRef<const Expr *> LHSExprs, | ||||||
| 5113 | ArrayRef<const Expr *> RHSExprs, | ||||||
| 5114 | ArrayRef<const Expr *> ReductionOps, | ||||||
| 5115 | ReductionOptionsTy Options) { | ||||||
| 5116 | if (!CGF.HaveInsertPoint()) | ||||||
| 5117 | return; | ||||||
| 5118 | |||||||
| 5119 | bool WithNowait = Options.WithNowait; | ||||||
| 5120 | bool SimpleReduction = Options.SimpleReduction; | ||||||
| 5121 | |||||||
| 5122 | // Next code should be emitted for reduction: | ||||||
| 5123 | // | ||||||
| 5124 | // static kmp_critical_name lock = { 0 }; | ||||||
| 5125 | // | ||||||
| 5126 | // void reduce_func(void *lhs[<n>], void *rhs[<n>]) { | ||||||
| 5127 | // *(Type0*)lhs[0] = ReductionOperation0(*(Type0*)lhs[0], *(Type0*)rhs[0]); | ||||||
| 5128 | // ... | ||||||
| 5129 | // *(Type<n>-1*)lhs[<n>-1] = ReductionOperation<n>-1(*(Type<n>-1*)lhs[<n>-1], | ||||||
| 5130 | // *(Type<n>-1*)rhs[<n>-1]); | ||||||
| 5131 | // } | ||||||
| 5132 | // | ||||||
| 5133 | // ... | ||||||
| 5134 | // void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; | ||||||
| 5135 | // switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||||
| 5136 | // RedList, reduce_func, &<lock>)) { | ||||||
| 5137 | // case 1: | ||||||
| 5138 | // ... | ||||||
| 5139 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5140 | // ... | ||||||
| 5141 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5142 | // break; | ||||||
| 5143 | // case 2: | ||||||
| 5144 | // ... | ||||||
| 5145 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||||
| 5146 | // ... | ||||||
| 5147 | // [__kmpc_end_reduce(<loc>, <gtid>, &<lock>);] | ||||||
| 5148 | // break; | ||||||
| 5149 | // default:; | ||||||
| 5150 | // } | ||||||
| 5151 | // | ||||||
| 5152 | // if SimpleReduction is true, only the next code is generated: | ||||||
| 5153 | // ... | ||||||
| 5154 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5155 | // ... | ||||||
| 5156 | |||||||
| 5157 | ASTContext &C = CGM.getContext(); | ||||||
| 5158 | |||||||
| 5159 | if (SimpleReduction) { | ||||||
| 5160 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||||
| 5161 | const auto *IPriv = Privates.begin(); | ||||||
| 5162 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5163 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5164 | for (const Expr *E : ReductionOps) { | ||||||
| 5165 | emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||||
| 5166 | cast<DeclRefExpr>(*IRHS)); | ||||||
| 5167 | ++IPriv; | ||||||
| 5168 | ++ILHS; | ||||||
| 5169 | ++IRHS; | ||||||
| 5170 | } | ||||||
| 5171 | return; | ||||||
| 5172 | } | ||||||
| 5173 | |||||||
| 5174 | // 1. Build a list of reduction variables. | ||||||
| 5175 | // void *RedList[<n>] = {<ReductionVars>[0], ..., <ReductionVars>[<n>-1]}; | ||||||
| 5176 | auto Size = RHSExprs.size(); | ||||||
| 5177 | for (const Expr *E : Privates) { | ||||||
| 5178 | if (E->getType()->isVariablyModifiedType()) | ||||||
| 5179 | // Reserve place for array size. | ||||||
| 5180 | ++Size; | ||||||
| 5181 | } | ||||||
| 5182 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, Size); | ||||||
| 5183 | QualType ReductionArrayTy = | ||||||
| 5184 | C.getConstantArrayType(C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||||
| 5185 | /*IndexTypeQuals=*/0); | ||||||
| 5186 | Address ReductionList = | ||||||
| 5187 | CGF.CreateMemTemp(ReductionArrayTy, ".omp.reduction.red_list"); | ||||||
| 5188 | const auto *IPriv = Privates.begin(); | ||||||
| 5189 | unsigned Idx = 0; | ||||||
| 5190 | for (unsigned I = 0, E = RHSExprs.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||||
| 5191 | Address Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||||
| 5192 | CGF.Builder.CreateStore( | ||||||
| 5193 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5194 | CGF.EmitLValue(RHSExprs[I]).getPointer(CGF), CGF.VoidPtrTy), | ||||||
| 5195 | Elem); | ||||||
| 5196 | if ((*IPriv)->getType()->isVariablyModifiedType()) { | ||||||
| 5197 | // Store array size. | ||||||
| 5198 | ++Idx; | ||||||
| 5199 | Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||||
| 5200 | llvm::Value *Size = CGF.Builder.CreateIntCast( | ||||||
| 5201 | CGF.getVLASize( | ||||||
| 5202 | CGF.getContext().getAsVariableArrayType((*IPriv)->getType())) | ||||||
| 5203 | .NumElts, | ||||||
| 5204 | CGF.SizeTy, /*isSigned=*/false); | ||||||
| 5205 | CGF.Builder.CreateStore(CGF.Builder.CreateIntToPtr(Size, CGF.VoidPtrTy), | ||||||
| 5206 | Elem); | ||||||
| 5207 | } | ||||||
| 5208 | } | ||||||
| 5209 | |||||||
| 5210 | // 2. Emit reduce_func(). | ||||||
| 5211 | llvm::Function *ReductionFn = | ||||||
| 5212 | emitReductionFunction(Loc, CGF.ConvertTypeForMem(ReductionArrayTy), | ||||||
| 5213 | Privates, LHSExprs, RHSExprs, ReductionOps); | ||||||
| 5214 | |||||||
| 5215 | // 3. Create static kmp_critical_name lock = { 0 }; | ||||||
| 5216 | std::string Name = getName({"reduction"}); | ||||||
| 5217 | llvm::Value *Lock = getCriticalRegionLock(Name); | ||||||
| 5218 | |||||||
| 5219 | // 4. Build res = __kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||||
| 5220 | // RedList, reduce_func, &<lock>); | ||||||
| 5221 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc, OMP_ATOMIC_REDUCE); | ||||||
| 5222 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||||
| 5223 | llvm::Value *ReductionArrayTySize = CGF.getTypeSize(ReductionArrayTy); | ||||||
| 5224 | llvm::Value *RL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||||
| 5225 | ReductionList.getPointer(), CGF.VoidPtrTy); | ||||||
| 5226 | llvm::Value *Args[] = { | ||||||
| 5227 | IdentTLoc, // ident_t *<loc> | ||||||
| 5228 | ThreadId, // i32 <gtid> | ||||||
| 5229 | CGF.Builder.getInt32(RHSExprs.size()), // i32 <n> | ||||||
| 5230 | ReductionArrayTySize, // size_type sizeof(RedList) | ||||||
| 5231 | RL, // void *RedList | ||||||
| 5232 | ReductionFn, // void (*) (void *, void *) <reduce_func> | ||||||
| 5233 | Lock // kmp_critical_name *&<lock> | ||||||
| 5234 | }; | ||||||
| 5235 | llvm::Value *Res = CGF.EmitRuntimeCall( | ||||||
| 5236 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5237 | CGM.getModule(), | ||||||
| 5238 | WithNowait ? OMPRTL___kmpc_reduce_nowait : OMPRTL___kmpc_reduce), | ||||||
| 5239 | Args); | ||||||
| 5240 | |||||||
| 5241 | // 5. Build switch(res) | ||||||
| 5242 | llvm::BasicBlock *DefaultBB = CGF.createBasicBlock(".omp.reduction.default"); | ||||||
| 5243 | llvm::SwitchInst *SwInst = | ||||||
| 5244 | CGF.Builder.CreateSwitch(Res, DefaultBB, /*NumCases=*/2); | ||||||
| 5245 | |||||||
| 5246 | // 6. Build case 1: | ||||||
| 5247 | // ... | ||||||
| 5248 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||||
| 5249 | // ... | ||||||
| 5250 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5251 | // break; | ||||||
| 5252 | llvm::BasicBlock *Case1BB = CGF.createBasicBlock(".omp.reduction.case1"); | ||||||
| 5253 | SwInst->addCase(CGF.Builder.getInt32(1), Case1BB); | ||||||
| 5254 | CGF.EmitBlock(Case1BB); | ||||||
| 5255 | |||||||
| 5256 | // Add emission of __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||||
| 5257 | llvm::Value *EndArgs[] = { | ||||||
| 5258 | IdentTLoc, // ident_t *<loc> | ||||||
| 5259 | ThreadId, // i32 <gtid> | ||||||
| 5260 | Lock // kmp_critical_name *&<lock> | ||||||
| 5261 | }; | ||||||
| 5262 | auto &&CodeGen = [Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||||
| 5263 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5264 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 5265 | const auto *IPriv = Privates.begin(); | ||||||
| 5266 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5267 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5268 | for (const Expr *E : ReductionOps) { | ||||||
| 5269 | RT.emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||||
| 5270 | cast<DeclRefExpr>(*IRHS)); | ||||||
| 5271 | ++IPriv; | ||||||
| 5272 | ++ILHS; | ||||||
| 5273 | ++IRHS; | ||||||
| 5274 | } | ||||||
| 5275 | }; | ||||||
| 5276 | RegionCodeGenTy RCG(CodeGen); | ||||||
| 5277 | CommonActionTy Action( | ||||||
| 5278 | nullptr, std::nullopt, | ||||||
| 5279 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5280 | CGM.getModule(), WithNowait ? OMPRTL___kmpc_end_reduce_nowait | ||||||
| 5281 | : OMPRTL___kmpc_end_reduce), | ||||||
| 5282 | EndArgs); | ||||||
| 5283 | RCG.setAction(Action); | ||||||
| 5284 | RCG(CGF); | ||||||
| 5285 | |||||||
| 5286 | CGF.EmitBranch(DefaultBB); | ||||||
| 5287 | |||||||
| 5288 | // 7. Build case 2: | ||||||
| 5289 | // ... | ||||||
| 5290 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||||
| 5291 | // ... | ||||||
| 5292 | // break; | ||||||
| 5293 | llvm::BasicBlock *Case2BB = CGF.createBasicBlock(".omp.reduction.case2"); | ||||||
| 5294 | SwInst->addCase(CGF.Builder.getInt32(2), Case2BB); | ||||||
| 5295 | CGF.EmitBlock(Case2BB); | ||||||
| 5296 | |||||||
| 5297 | auto &&AtomicCodeGen = [Loc, Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||||
| 5298 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5299 | const auto *ILHS = LHSExprs.begin(); | ||||||
| 5300 | const auto *IRHS = RHSExprs.begin(); | ||||||
| 5301 | const auto *IPriv = Privates.begin(); | ||||||
| 5302 | for (const Expr *E : ReductionOps) { | ||||||
| 5303 | const Expr *XExpr = nullptr; | ||||||
| 5304 | const Expr *EExpr = nullptr; | ||||||
| 5305 | const Expr *UpExpr = nullptr; | ||||||
| 5306 | BinaryOperatorKind BO = BO_Comma; | ||||||
| 5307 | if (const auto *BO = dyn_cast<BinaryOperator>(E)) { | ||||||
| 5308 | if (BO->getOpcode() == BO_Assign) { | ||||||
| 5309 | XExpr = BO->getLHS(); | ||||||
| 5310 | UpExpr = BO->getRHS(); | ||||||
| 5311 | } | ||||||
| 5312 | } | ||||||
| 5313 | // Try to emit update expression as a simple atomic. | ||||||
| 5314 | const Expr *RHSExpr = UpExpr; | ||||||
| 5315 | if (RHSExpr) { | ||||||
| 5316 | // Analyze RHS part of the whole expression. | ||||||
| 5317 | if (const auto *ACO = dyn_cast<AbstractConditionalOperator>( | ||||||
| 5318 | RHSExpr->IgnoreParenImpCasts())) { | ||||||
| 5319 | // If this is a conditional operator, analyze its condition for | ||||||
| 5320 | // min/max reduction operator. | ||||||
| 5321 | RHSExpr = ACO->getCond(); | ||||||
| 5322 | } | ||||||
| 5323 | if (const auto *BORHS = | ||||||
| 5324 | dyn_cast<BinaryOperator>(RHSExpr->IgnoreParenImpCasts())) { | ||||||
| 5325 | EExpr = BORHS->getRHS(); | ||||||
| 5326 | BO = BORHS->getOpcode(); | ||||||
| 5327 | } | ||||||
| 5328 | } | ||||||
| 5329 | if (XExpr) { | ||||||
| 5330 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5331 | auto &&AtomicRedGen = [BO, VD, | ||||||
| 5332 | Loc](CodeGenFunction &CGF, const Expr *XExpr, | ||||||
| 5333 | const Expr *EExpr, const Expr *UpExpr) { | ||||||
| 5334 | LValue X = CGF.EmitLValue(XExpr); | ||||||
| 5335 | RValue E; | ||||||
| 5336 | if (EExpr) | ||||||
| 5337 | E = CGF.EmitAnyExpr(EExpr); | ||||||
| 5338 | CGF.EmitOMPAtomicSimpleUpdateExpr( | ||||||
| 5339 | X, E, BO, /*IsXLHSInRHSPart=*/true, | ||||||
| 5340 | llvm::AtomicOrdering::Monotonic, Loc, | ||||||
| 5341 | [&CGF, UpExpr, VD, Loc](RValue XRValue) { | ||||||
| 5342 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||||
| 5343 | Address LHSTemp = CGF.CreateMemTemp(VD->getType()); | ||||||
| 5344 | CGF.emitOMPSimpleStore( | ||||||
| 5345 | CGF.MakeAddrLValue(LHSTemp, VD->getType()), XRValue, | ||||||
| 5346 | VD->getType().getNonReferenceType(), Loc); | ||||||
| 5347 | PrivateScope.addPrivate(VD, LHSTemp); | ||||||
| 5348 | (void)PrivateScope.Privatize(); | ||||||
| 5349 | return CGF.EmitAnyExpr(UpExpr); | ||||||
| 5350 | }); | ||||||
| 5351 | }; | ||||||
| 5352 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5353 | // Emit atomic reduction for array section. | ||||||
| 5354 | const auto *RHSVar = | ||||||
| 5355 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5356 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), VD, RHSVar, | ||||||
| 5357 | AtomicRedGen, XExpr, EExpr, UpExpr); | ||||||
| 5358 | } else { | ||||||
| 5359 | // Emit atomic reduction for array subscript or single variable. | ||||||
| 5360 | AtomicRedGen(CGF, XExpr, EExpr, UpExpr); | ||||||
| 5361 | } | ||||||
| 5362 | } else { | ||||||
| 5363 | // Emit as a critical region. | ||||||
| 5364 | auto &&CritRedGen = [E, Loc](CodeGenFunction &CGF, const Expr *, | ||||||
| 5365 | const Expr *, const Expr *) { | ||||||
| 5366 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||||
| 5367 | std::string Name = RT.getName({"atomic_reduction"}); | ||||||
| 5368 | RT.emitCriticalRegion( | ||||||
| 5369 | CGF, Name, | ||||||
| 5370 | [=](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||||
| 5371 | Action.Enter(CGF); | ||||||
| 5372 | emitReductionCombiner(CGF, E); | ||||||
| 5373 | }, | ||||||
| 5374 | Loc); | ||||||
| 5375 | }; | ||||||
| 5376 | if ((*IPriv)->getType()->isArrayType()) { | ||||||
| 5377 | const auto *LHSVar = | ||||||
| 5378 | cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||||
| 5379 | const auto *RHSVar = | ||||||
| 5380 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||||
| 5381 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||||
| 5382 | CritRedGen); | ||||||
| 5383 | } else { | ||||||
| 5384 | CritRedGen(CGF, nullptr, nullptr, nullptr); | ||||||
| 5385 | } | ||||||
| 5386 | } | ||||||
| 5387 | ++ILHS; | ||||||
| 5388 | ++IRHS; | ||||||
| 5389 | ++IPriv; | ||||||
| 5390 | } | ||||||
| 5391 | }; | ||||||
| 5392 | RegionCodeGenTy AtomicRCG(AtomicCodeGen); | ||||||
| 5393 | if (!WithNowait) { | ||||||
| 5394 | // Add emission of __kmpc_end_reduce(<loc>, <gtid>, &<lock>); | ||||||
| 5395 | llvm::Value *EndArgs[] = { | ||||||
| 5396 | IdentTLoc, // ident_t *<loc> | ||||||
| 5397 | ThreadId, // i32 <gtid> | ||||||
| 5398 | Lock // kmp_critical_name *&<lock> | ||||||
| 5399 | }; | ||||||
| 5400 | CommonActionTy Action(nullptr, std::nullopt, | ||||||
| 5401 | OMPBuilder.getOrCreateRuntimeFunction( | ||||||
| 5402 | CGM.getModule(), OMPRTL___kmpc_end_reduce), | ||||||
| 5403 | EndArgs); | ||||||
| 5404 | AtomicRCG.setAction(Action); | ||||||
| 5405 | AtomicRCG(CGF); | ||||||
| 5406 | } else { | ||||||
| 5407 | AtomicRCG(CGF); | ||||||
| 5408 | } | ||||||
| 5409 | |||||||
| 5410 | CGF.EmitBranch(DefaultBB); | ||||||
| 5411 | CGF.EmitBlock(DefaultBB, /*IsFinished=*/true); | ||||||
| 5412 | } | ||||||
| 5413 | |||||||
| 5414 | /// Generates unique name for artificial threadprivate variables. | ||||||
| 5415 | /// Format is: <Prefix> "." <Decl_mangled_name> "_" "<Decl_start_loc_raw_enc>" | ||||||
| 5416 | static std::string generateUniqueName(CodeGenModule &CGM, StringRef Prefix, | ||||||
| 5417 | const Expr *Ref) { | ||||||
| 5418 | SmallString<256> Buffer; | ||||||
| 5419 | llvm::raw_svector_ostream Out(Buffer); | ||||||
| 5420 | const clang::DeclRefExpr *DE; | ||||||
| 5421 | const VarDecl *D = ::getBaseDecl(Ref, DE); | ||||||
| 5422 | if (!D) | ||||||
| 5423 | D = cast<VarDecl>(cast<DeclRefExpr>(Ref)->getDecl()); | ||||||
| 5424 | D = D->getCanonicalDecl(); | ||||||
| 5425 | std::string Name = CGM.getOpenMPRuntime().getName( | ||||||
| 5426 | {D->isLocalVarDeclOrParm() ? D->getName() : CGM.getMangledName(D)}); | ||||||
| 5427 | Out << Prefix << Name << "_" | ||||||
| 5428 | << D->getCanonicalDecl()->getBeginLoc().getRawEncoding(); | ||||||
| 5429 | return std::string(Out.str()); | ||||||
| 5430 | } | ||||||
| 5431 | |||||||
| 5432 | /// Emits reduction initializer function: | ||||||
| 5433 | /// \code | ||||||
| 5434 | /// void @.red_init(void* %arg, void* %orig) { | ||||||
| 5435 | /// %0 = bitcast void* %arg to <type>* | ||||||
| 5436 | /// store <type> <init>, <type>* %0 | ||||||
| 5437 | /// ret void | ||||||
| 5438 | /// } | ||||||
| 5439 | /// \endcode | ||||||
| 5440 | static llvm::Value *emitReduceInitFunction(CodeGenModule &CGM, | ||||||
| 5441 | SourceLocation Loc, | ||||||
| 5442 | ReductionCodeGen &RCG, unsigned N) { | ||||||
| 5443 | ASTContext &C = CGM.getContext(); | ||||||
| 5444 | QualType VoidPtrTy = C.VoidPtrTy; | ||||||
| 5445 | VoidPtrTy.addRestrict(); | ||||||
| 5446 | FunctionArgList Args; | ||||||
| 5447 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | ||||||
| 5448 | ImplicitParamDecl::Other); | ||||||
| 5449 | ImplicitParamDecl ParamOrig(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | ||||||
| 5450 | ImplicitParamDecl::Other); | ||||||
| 5451 | Args.emplace_back(&Param); | ||||||
| 5452 | Args.emplace_back(&ParamOrig); | ||||||
| 5453 | const auto &FnInfo = | ||||||
| 5454 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5455 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5456 | std::string Name = CGM.getOpenMPRuntime().getName({"red_init", ""}); | ||||||
| 5457 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5458 | Name, &CGM.getModule()); | ||||||
| 5459 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5460 | Fn->setDoesNotRecurse(); | ||||||
| 5461 | CodeGenFunction CGF(CGM); | ||||||
| 5462 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5463 | QualType PrivateType = RCG.getPrivateType(N); | ||||||
| 5464 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||||
| 5465 | CGF.Builder.CreateElementBitCast( | ||||||
| 5466 | CGF.GetAddrOfLocalVar(&Param), | ||||||
| 5467 | CGF.ConvertTypeForMem(PrivateType)->getPointerTo()), | ||||||
| 5468 | C.getPointerType(PrivateType)->castAs<PointerType>()); | ||||||
| 5469 | llvm::Value *Size = nullptr; | ||||||
| 5470 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5471 | // threadprivate variable. | ||||||
| 5472 | if (RCG.getSizes(N).second) { | ||||||
| 5473 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5474 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5475 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5476 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5477 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5478 | } | ||||||
| 5479 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5480 | Address OrigAddr = Address::invalid(); | ||||||
| 5481 | // If initializer uses initializer from declare reduction construct, emit a | ||||||
| 5482 | // pointer to the address of the original reduction item (reuired by reduction | ||||||
| 5483 | // initializer) | ||||||
| 5484 | if (RCG.usesReductionInitializer(N)) { | ||||||
| 5485 | Address SharedAddr = CGF.GetAddrOfLocalVar(&ParamOrig); | ||||||
| 5486 | OrigAddr = CGF.EmitLoadOfPointer( | ||||||
| 5487 | SharedAddr, | ||||||
| 5488 | CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr()); | ||||||
| 5489 | } | ||||||
| 5490 | // Emit the initializer: | ||||||
| 5491 | // %0 = bitcast void* %arg to <type>* | ||||||
| 5492 | // store <type> <init>, <type>* %0 | ||||||
| 5493 | RCG.emitInitialization(CGF, N, PrivateAddr, OrigAddr, | ||||||
| 5494 | [](CodeGenFunction &) { return false; }); | ||||||
| 5495 | CGF.FinishFunction(); | ||||||
| 5496 | return Fn; | ||||||
| 5497 | } | ||||||
| 5498 | |||||||
| 5499 | /// Emits reduction combiner function: | ||||||
| 5500 | /// \code | ||||||
| 5501 | /// void @.red_comb(void* %arg0, void* %arg1) { | ||||||
| 5502 | /// %lhs = bitcast void* %arg0 to <type>* | ||||||
| 5503 | /// %rhs = bitcast void* %arg1 to <type>* | ||||||
| 5504 | /// %2 = <ReductionOp>(<type>* %lhs, <type>* %rhs) | ||||||
| 5505 | /// store <type> %2, <type>* %lhs | ||||||
| 5506 | /// ret void | ||||||
| 5507 | /// } | ||||||
| 5508 | /// \endcode | ||||||
| 5509 | static llvm::Value *emitReduceCombFunction(CodeGenModule &CGM, | ||||||
| 5510 | SourceLocation Loc, | ||||||
| 5511 | ReductionCodeGen &RCG, unsigned N, | ||||||
| 5512 | const Expr *ReductionOp, | ||||||
| 5513 | const Expr *LHS, const Expr *RHS, | ||||||
| 5514 | const Expr *PrivateRef) { | ||||||
| 5515 | ASTContext &C = CGM.getContext(); | ||||||
| 5516 | const auto *LHSVD = cast<VarDecl>(cast<DeclRefExpr>(LHS)->getDecl()); | ||||||
| 5517 | const auto *RHSVD = cast<VarDecl>(cast<DeclRefExpr>(RHS)->getDecl()); | ||||||
| 5518 | FunctionArgList Args; | ||||||
| 5519 | ImplicitParamDecl ParamInOut(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||||
| 5520 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||||
| 5521 | ImplicitParamDecl ParamIn(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5522 | ImplicitParamDecl::Other); | ||||||
| 5523 | Args.emplace_back(&ParamInOut); | ||||||
| 5524 | Args.emplace_back(&ParamIn); | ||||||
| 5525 | const auto &FnInfo = | ||||||
| 5526 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5527 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5528 | std::string Name = CGM.getOpenMPRuntime().getName({"red_comb", ""}); | ||||||
| 5529 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5530 | Name, &CGM.getModule()); | ||||||
| 5531 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5532 | Fn->setDoesNotRecurse(); | ||||||
| 5533 | CodeGenFunction CGF(CGM); | ||||||
| 5534 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5535 | llvm::Value *Size = nullptr; | ||||||
| 5536 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5537 | // threadprivate variable. | ||||||
| 5538 | if (RCG.getSizes(N).second) { | ||||||
| 5539 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5540 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5541 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5542 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5543 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5544 | } | ||||||
| 5545 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5546 | // Remap lhs and rhs variables to the addresses of the function arguments. | ||||||
| 5547 | // %lhs = bitcast void* %arg0 to <type>* | ||||||
| 5548 | // %rhs = bitcast void* %arg1 to <type>* | ||||||
| 5549 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||||
| 5550 | PrivateScope.addPrivate( | ||||||
| 5551 | LHSVD, | ||||||
| 5552 | // Pull out the pointer to the variable. | ||||||
| 5553 | CGF.EmitLoadOfPointer( | ||||||
| 5554 | CGF.Builder.CreateElementBitCast( | ||||||
| 5555 | CGF.GetAddrOfLocalVar(&ParamInOut), | ||||||
| 5556 | CGF.ConvertTypeForMem(LHSVD->getType())->getPointerTo()), | ||||||
| 5557 | C.getPointerType(LHSVD->getType())->castAs<PointerType>())); | ||||||
| 5558 | PrivateScope.addPrivate( | ||||||
| 5559 | RHSVD, | ||||||
| 5560 | // Pull out the pointer to the variable. | ||||||
| 5561 | CGF.EmitLoadOfPointer( | ||||||
| 5562 | CGF.Builder.CreateElementBitCast( | ||||||
| 5563 | CGF.GetAddrOfLocalVar(&ParamIn), | ||||||
| 5564 | CGF.ConvertTypeForMem(RHSVD->getType())->getPointerTo()), | ||||||
| 5565 | C.getPointerType(RHSVD->getType())->castAs<PointerType>())); | ||||||
| 5566 | PrivateScope.Privatize(); | ||||||
| 5567 | // Emit the combiner body: | ||||||
| 5568 | // %2 = <ReductionOp>(<type> *%lhs, <type> *%rhs) | ||||||
| 5569 | // store <type> %2, <type>* %lhs | ||||||
| 5570 | CGM.getOpenMPRuntime().emitSingleReductionCombiner( | ||||||
| 5571 | CGF, ReductionOp, PrivateRef, cast<DeclRefExpr>(LHS), | ||||||
| 5572 | cast<DeclRefExpr>(RHS)); | ||||||
| 5573 | CGF.FinishFunction(); | ||||||
| 5574 | return Fn; | ||||||
| 5575 | } | ||||||
| 5576 | |||||||
| 5577 | /// Emits reduction finalizer function: | ||||||
| 5578 | /// \code | ||||||
| 5579 | /// void @.red_fini(void* %arg) { | ||||||
| 5580 | /// %0 = bitcast void* %arg to <type>* | ||||||
| 5581 | /// <destroy>(<type>* %0) | ||||||
| 5582 | /// ret void | ||||||
| 5583 | /// } | ||||||
| 5584 | /// \endcode | ||||||
| 5585 | static llvm::Value *emitReduceFiniFunction(CodeGenModule &CGM, | ||||||
| 5586 | SourceLocation Loc, | ||||||
| 5587 | ReductionCodeGen &RCG, unsigned N) { | ||||||
| 5588 | if (!RCG.needCleanups(N)) | ||||||
| 5589 | return nullptr; | ||||||
| 5590 | ASTContext &C = CGM.getContext(); | ||||||
| 5591 | FunctionArgList Args; | ||||||
| 5592 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||||
| 5593 | ImplicitParamDecl::Other); | ||||||
| 5594 | Args.emplace_back(&Param); | ||||||
| 5595 | const auto &FnInfo = | ||||||
| 5596 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||||
| 5597 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||||
| 5598 | std::string Name = CGM.getOpenMPRuntime().getName({"red_fini", ""}); | ||||||
| 5599 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||||
| 5600 | Name, &CGM.getModule()); | ||||||
| 5601 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||||
| 5602 | Fn->setDoesNotRecurse(); | ||||||
| 5603 | CodeGenFunction CGF(CGM); | ||||||
| 5604 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||||
| 5605 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||||
| 5606 | CGF.GetAddrOfLocalVar(&Param), C.VoidPtrTy.castAs<PointerType>()); | ||||||
| 5607 | llvm::Value *Size = nullptr; | ||||||
| 5608 | // If the size of the reduction item is non-constant, load it from global | ||||||
| 5609 | // threadprivate variable. | ||||||
| 5610 | if (RCG.getSizes(N).second) { | ||||||
| 5611 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||||
| 5612 | CGF, CGM.getContext().getSizeType(), | ||||||
| 5613 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||||
| 5614 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||||
| 5615 | CGM.getContext().getSizeType(), Loc); | ||||||
| 5616 | } | ||||||
| 5617 | RCG.emitAggregateType(CGF, N, Size); | ||||||
| 5618 | // Emit the finalizer body: | ||||||
| 5619 | // <destroy>(<type>* %0) | ||||||
| 5620 | RCG.emitCleanups(CGF, N, PrivateAddr); | ||||||
| 5621 | CGF.FinishFunction(Loc); | ||||||
| 5622 | return Fn; | ||||||
| 5623 | } | ||||||
| 5624 | |||||||
| 5625 | llvm::Value *CGOpenMPRuntime::emitTaskReductionInit( | ||||||
| 5626 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | ||||||
| 5627 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | ||||||
| 5628 | if (!CGF.HaveInsertPoint() || Data.ReductionVars.empty()) | ||||||
| 5629 | return nullptr; | ||||||
| 5630 | |||||||
| 5631 | // Build typedef struct: | ||||||
| 5632 | // kmp_taskred_input { | ||||||
| 5633 | // void *reduce_shar; // shared reduction item | ||||||
| 5634 | // void *reduce_orig; // original reduction item used for initialization | ||||||
| 5635 | // size_t reduce_size; // size of data item | ||||||
| 5636 | // void *reduce_init; // data initialization routine | ||||||
| 5637 | // void *reduce_fini; // data finalization routine | ||||||
| 5638 | // void *reduce_comb; // data combiner routine | ||||||
| 5639 | // kmp_task_red_flags_t flags; // flags for additional info from compiler | ||||||
| 5640 | // } kmp_taskred_input_t; | ||||||
| 5641 | ASTContext &C = CGM.getContext(); | ||||||
| 5642 | RecordDecl *RD = C.buildImplicitRecord("kmp_taskred_input_t"); | ||||||
| 5643 | RD->startDefinition(); | ||||||
| 5644 | const FieldDecl *SharedFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5645 | const FieldDecl *OrigFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5646 | const FieldDecl *SizeFD = addFieldToRecordDecl(C, RD, C.getSizeType()); | ||||||
| 5647 | const FieldDecl *InitFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5648 | const FieldDecl *FiniFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5649 | const FieldDecl *CombFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||||
| 5650 | const FieldDecl *FlagsFD = addFieldToRecordDecl( | ||||||
| 5651 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/false)); | ||||||
| 5652 | RD->completeDefinition(); | ||||||
| 5653 | QualType RDType = C.getRecordType(RD); | ||||||
| 5654 | unsigned Size = Data.ReductionVars.size(); | ||||||
| 5655 | llvm::APInt ArraySize(/*numBits=*/64, Size); | ||||||
| 5656 | QualType ArrayRDType = C.getConstantArrayType( | ||||||
| 5657 | RDType, ArraySize, nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||||
| 5658 | // kmp_task_red_input_t .rd_input.[Size]; | ||||||
| 5659 | Address TaskRedInput = CGF.CreateMemTemp(ArrayRDType, ".rd_input."); | ||||||
| 5660 | ReductionCodeGen RCG(Data.ReductionVars, Data.ReductionOrigs, | ||||||
| 5661 | Data.ReductionCopies, Data.ReductionOps); | ||||||
| 5662 | for (unsigned Cnt = 0; Cnt < Size; ++Cnt) { | ||||||
| 5663 | // kmp_task_red_input_t &ElemLVal = .rd_input.[Cnt]; | ||||||
| 5664 | llvm::Value *Idxs[] = {llvm::ConstantInt::get(CGM.SizeTy, /*V=*/0), | ||||||
| 5665 | llvm::ConstantInt::get(CGM.SizeTy, Cnt)}; | ||||||
| 5666 | llvm::Value *GEP = CGF.EmitCheckedInBoundsGEP( | ||||||
| 5667 | TaskRedInput.getElementType(), TaskRedInput.getPointer(), Idxs, | ||||||
| 5668 | /*SignedIndices=*/false, /*IsSubtraction=*/false, Loc, | ||||||
| 5669 | ".rd_input.gep."); | ||||||
| 5670 | LValue ElemLVal = CGF.MakeNaturalAlignAddrLValue(GEP, RDType); | ||||||
| 5671 | // ElemLVal.reduce_shar = &Shareds[Cnt]; | ||||||
| 5672 | LValue SharedLVal = CGF.EmitLValueForField(ElemLVal, SharedFD); | ||||||
| 5673 | RCG.emitSharedOrigLValue(CGF, Cnt); | ||||||
| 5674 | llvm::Value *CastedShared = | ||||||
| 5675 | CGF.EmitCastToVoidPtr(RCG.getSharedLValue(Cnt).getPointer(CGF)); | ||||||
| 5676 | CGF.EmitStoreOfScalar(CastedShared, SharedLVal); | ||||||
| 5677 | // ElemLVal.reduce_orig = &Origs[Cnt]; | ||||||
| 5678 | LValue OrigLVal = CGF.EmitLValueForField(ElemLVal, OrigFD); | ||||||
| 5679 | llvm::Value *CastedOrig = | ||||||
| 5680 | CGF.EmitCastToVoidPtr(RCG.getOrigLValue(Cnt).getPointer(CGF)); | ||||||
| 5681 | CGF.EmitStoreOfScalar(CastedOrig, OrigLVal); | ||||||
| 5682 | RCG.emitAggregateType(CGF, Cnt); | ||||||
| 5683 | llvm::Value *SizeValInChars; | ||||||
| 5684 | llvm::Value *SizeVal; | ||||||
| 5685 | std::tie(SizeValInChars, SizeVal) = RCG.getSizes(Cnt); | ||||||
| 5686 | // We use delayed creation/initialization for VLAs and array sections. It is | ||||||
| 5687 | // required because runtime does not provide the way to pass the sizes of | ||||||
| 5688 | // VLAs/array sections to initializer/combiner/finalizer functions. Instead | ||||||
| 5689 | // threadprivate global variables are used to store these values and use | ||||||
| 5690 | // them in the functions. | ||||||
| 5691 | bool DelayedCreation = !!SizeVal; | ||||||
| 5692 | SizeValInChars = CGF.Builder.CreateIntCast(SizeValInChars, CGM.SizeTy, | ||||||
| 5693 |