File: | clang/lib/CodeGen/CGOpenMPRuntime.cpp |
Warning: | line 7998, column 9 2nd function call argument is an uninitialized value |
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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 "clang/AST/Attr.h" | |||
19 | #include "clang/AST/Decl.h" | |||
20 | #include "clang/AST/OpenMPClause.h" | |||
21 | #include "clang/AST/StmtOpenMP.h" | |||
22 | #include "clang/AST/StmtVisitor.h" | |||
23 | #include "clang/Basic/BitmaskEnum.h" | |||
24 | #include "clang/Basic/FileManager.h" | |||
25 | #include "clang/Basic/OpenMPKinds.h" | |||
26 | #include "clang/Basic/SourceManager.h" | |||
27 | #include "clang/CodeGen/ConstantInitBuilder.h" | |||
28 | #include "llvm/ADT/ArrayRef.h" | |||
29 | #include "llvm/ADT/SetOperations.h" | |||
30 | #include "llvm/ADT/StringExtras.h" | |||
31 | #include "llvm/Bitcode/BitcodeReader.h" | |||
32 | #include "llvm/IR/Constants.h" | |||
33 | #include "llvm/IR/DerivedTypes.h" | |||
34 | #include "llvm/IR/GlobalValue.h" | |||
35 | #include "llvm/IR/Value.h" | |||
36 | #include "llvm/Support/AtomicOrdering.h" | |||
37 | #include "llvm/Support/Format.h" | |||
38 | #include "llvm/Support/raw_ostream.h" | |||
39 | #include <cassert> | |||
40 | #include <numeric> | |||
41 | ||||
42 | using namespace clang; | |||
43 | using namespace CodeGen; | |||
44 | using namespace llvm::omp; | |||
45 | ||||
46 | namespace { | |||
47 | /// Base class for handling code generation inside OpenMP regions. | |||
48 | class CGOpenMPRegionInfo : public CodeGenFunction::CGCapturedStmtInfo { | |||
49 | public: | |||
50 | /// Kinds of OpenMP regions used in codegen. | |||
51 | enum CGOpenMPRegionKind { | |||
52 | /// Region with outlined function for standalone 'parallel' | |||
53 | /// directive. | |||
54 | ParallelOutlinedRegion, | |||
55 | /// Region with outlined function for standalone 'task' directive. | |||
56 | TaskOutlinedRegion, | |||
57 | /// Region for constructs that do not require function outlining, | |||
58 | /// like 'for', 'sections', 'atomic' etc. directives. | |||
59 | InlinedRegion, | |||
60 | /// Region with outlined function for standalone 'target' directive. | |||
61 | TargetRegion, | |||
62 | }; | |||
63 | ||||
64 | CGOpenMPRegionInfo(const CapturedStmt &CS, | |||
65 | const CGOpenMPRegionKind RegionKind, | |||
66 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | |||
67 | bool HasCancel) | |||
68 | : CGCapturedStmtInfo(CS, CR_OpenMP), RegionKind(RegionKind), | |||
69 | CodeGen(CodeGen), Kind(Kind), HasCancel(HasCancel) {} | |||
70 | ||||
71 | CGOpenMPRegionInfo(const CGOpenMPRegionKind RegionKind, | |||
72 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | |||
73 | bool HasCancel) | |||
74 | : CGCapturedStmtInfo(CR_OpenMP), RegionKind(RegionKind), CodeGen(CodeGen), | |||
75 | Kind(Kind), HasCancel(HasCancel) {} | |||
76 | ||||
77 | /// Get a variable or parameter for storing global thread id | |||
78 | /// inside OpenMP construct. | |||
79 | virtual const VarDecl *getThreadIDVariable() const = 0; | |||
80 | ||||
81 | /// Emit the captured statement body. | |||
82 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override; | |||
83 | ||||
84 | /// Get an LValue for the current ThreadID variable. | |||
85 | /// \return LValue for thread id variable. This LValue always has type int32*. | |||
86 | virtual LValue getThreadIDVariableLValue(CodeGenFunction &CGF); | |||
87 | ||||
88 | virtual void emitUntiedSwitch(CodeGenFunction & /*CGF*/) {} | |||
89 | ||||
90 | CGOpenMPRegionKind getRegionKind() const { return RegionKind; } | |||
91 | ||||
92 | OpenMPDirectiveKind getDirectiveKind() const { return Kind; } | |||
93 | ||||
94 | bool hasCancel() const { return HasCancel; } | |||
95 | ||||
96 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
97 | return Info->getKind() == CR_OpenMP; | |||
98 | } | |||
99 | ||||
100 | ~CGOpenMPRegionInfo() override = default; | |||
101 | ||||
102 | protected: | |||
103 | CGOpenMPRegionKind RegionKind; | |||
104 | RegionCodeGenTy CodeGen; | |||
105 | OpenMPDirectiveKind Kind; | |||
106 | bool HasCancel; | |||
107 | }; | |||
108 | ||||
109 | /// API for captured statement code generation in OpenMP constructs. | |||
110 | class CGOpenMPOutlinedRegionInfo final : public CGOpenMPRegionInfo { | |||
111 | public: | |||
112 | CGOpenMPOutlinedRegionInfo(const CapturedStmt &CS, const VarDecl *ThreadIDVar, | |||
113 | const RegionCodeGenTy &CodeGen, | |||
114 | OpenMPDirectiveKind Kind, bool HasCancel, | |||
115 | StringRef HelperName) | |||
116 | : CGOpenMPRegionInfo(CS, ParallelOutlinedRegion, CodeGen, Kind, | |||
117 | HasCancel), | |||
118 | ThreadIDVar(ThreadIDVar), HelperName(HelperName) { | |||
119 | assert(ThreadIDVar != nullptr && "No ThreadID in OpenMP region.")((ThreadIDVar != nullptr && "No ThreadID in OpenMP region." ) ? static_cast<void> (0) : __assert_fail ("ThreadIDVar != nullptr && \"No ThreadID in OpenMP region.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 119, __PRETTY_FUNCTION__)); | |||
120 | } | |||
121 | ||||
122 | /// Get a variable or parameter for storing global thread id | |||
123 | /// inside OpenMP construct. | |||
124 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | |||
125 | ||||
126 | /// Get the name of the capture helper. | |||
127 | StringRef getHelperName() const override { return HelperName; } | |||
128 | ||||
129 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
130 | return CGOpenMPRegionInfo::classof(Info) && | |||
131 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | |||
132 | ParallelOutlinedRegion; | |||
133 | } | |||
134 | ||||
135 | private: | |||
136 | /// A variable or parameter storing global thread id for OpenMP | |||
137 | /// constructs. | |||
138 | const VarDecl *ThreadIDVar; | |||
139 | StringRef HelperName; | |||
140 | }; | |||
141 | ||||
142 | /// API for captured statement code generation in OpenMP constructs. | |||
143 | class CGOpenMPTaskOutlinedRegionInfo final : public CGOpenMPRegionInfo { | |||
144 | public: | |||
145 | class UntiedTaskActionTy final : public PrePostActionTy { | |||
146 | bool Untied; | |||
147 | const VarDecl *PartIDVar; | |||
148 | const RegionCodeGenTy UntiedCodeGen; | |||
149 | llvm::SwitchInst *UntiedSwitch = nullptr; | |||
150 | ||||
151 | public: | |||
152 | UntiedTaskActionTy(bool Tied, const VarDecl *PartIDVar, | |||
153 | const RegionCodeGenTy &UntiedCodeGen) | |||
154 | : Untied(!Tied), PartIDVar(PartIDVar), UntiedCodeGen(UntiedCodeGen) {} | |||
155 | void Enter(CodeGenFunction &CGF) override { | |||
156 | if (Untied) { | |||
157 | // Emit task switching point. | |||
158 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | |||
159 | CGF.GetAddrOfLocalVar(PartIDVar), | |||
160 | PartIDVar->getType()->castAs<PointerType>()); | |||
161 | llvm::Value *Res = | |||
162 | CGF.EmitLoadOfScalar(PartIdLVal, PartIDVar->getLocation()); | |||
163 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock(".untied.done."); | |||
164 | UntiedSwitch = CGF.Builder.CreateSwitch(Res, DoneBB); | |||
165 | CGF.EmitBlock(DoneBB); | |||
166 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | |||
167 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | |||
168 | UntiedSwitch->addCase(CGF.Builder.getInt32(0), | |||
169 | CGF.Builder.GetInsertBlock()); | |||
170 | emitUntiedSwitch(CGF); | |||
171 | } | |||
172 | } | |||
173 | void emitUntiedSwitch(CodeGenFunction &CGF) const { | |||
174 | if (Untied) { | |||
175 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | |||
176 | CGF.GetAddrOfLocalVar(PartIDVar), | |||
177 | PartIDVar->getType()->castAs<PointerType>()); | |||
178 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | |||
179 | PartIdLVal); | |||
180 | UntiedCodeGen(CGF); | |||
181 | CodeGenFunction::JumpDest CurPoint = | |||
182 | CGF.getJumpDestInCurrentScope(".untied.next."); | |||
183 | CGF.EmitBranch(CGF.ReturnBlock.getBlock()); | |||
184 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | |||
185 | UntiedSwitch->addCase(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | |||
186 | CGF.Builder.GetInsertBlock()); | |||
187 | CGF.EmitBranchThroughCleanup(CurPoint); | |||
188 | CGF.EmitBlock(CurPoint.getBlock()); | |||
189 | } | |||
190 | } | |||
191 | unsigned getNumberOfParts() const { return UntiedSwitch->getNumCases(); } | |||
192 | }; | |||
193 | CGOpenMPTaskOutlinedRegionInfo(const CapturedStmt &CS, | |||
194 | const VarDecl *ThreadIDVar, | |||
195 | const RegionCodeGenTy &CodeGen, | |||
196 | OpenMPDirectiveKind Kind, bool HasCancel, | |||
197 | const UntiedTaskActionTy &Action) | |||
198 | : CGOpenMPRegionInfo(CS, TaskOutlinedRegion, CodeGen, Kind, HasCancel), | |||
199 | ThreadIDVar(ThreadIDVar), Action(Action) { | |||
200 | assert(ThreadIDVar != nullptr && "No ThreadID in OpenMP region.")((ThreadIDVar != nullptr && "No ThreadID in OpenMP region." ) ? static_cast<void> (0) : __assert_fail ("ThreadIDVar != nullptr && \"No ThreadID in OpenMP region.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 200, __PRETTY_FUNCTION__)); | |||
201 | } | |||
202 | ||||
203 | /// Get a variable or parameter for storing global thread id | |||
204 | /// inside OpenMP construct. | |||
205 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | |||
206 | ||||
207 | /// Get an LValue for the current ThreadID variable. | |||
208 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override; | |||
209 | ||||
210 | /// Get the name of the capture helper. | |||
211 | StringRef getHelperName() const override { return ".omp_outlined."; } | |||
212 | ||||
213 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | |||
214 | Action.emitUntiedSwitch(CGF); | |||
215 | } | |||
216 | ||||
217 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
218 | return CGOpenMPRegionInfo::classof(Info) && | |||
219 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | |||
220 | TaskOutlinedRegion; | |||
221 | } | |||
222 | ||||
223 | private: | |||
224 | /// A variable or parameter storing global thread id for OpenMP | |||
225 | /// constructs. | |||
226 | const VarDecl *ThreadIDVar; | |||
227 | /// Action for emitting code for untied tasks. | |||
228 | const UntiedTaskActionTy &Action; | |||
229 | }; | |||
230 | ||||
231 | /// API for inlined captured statement code generation in OpenMP | |||
232 | /// constructs. | |||
233 | class CGOpenMPInlinedRegionInfo : public CGOpenMPRegionInfo { | |||
234 | public: | |||
235 | CGOpenMPInlinedRegionInfo(CodeGenFunction::CGCapturedStmtInfo *OldCSI, | |||
236 | const RegionCodeGenTy &CodeGen, | |||
237 | OpenMPDirectiveKind Kind, bool HasCancel) | |||
238 | : CGOpenMPRegionInfo(InlinedRegion, CodeGen, Kind, HasCancel), | |||
239 | OldCSI(OldCSI), | |||
240 | OuterRegionInfo(dyn_cast_or_null<CGOpenMPRegionInfo>(OldCSI)) {} | |||
241 | ||||
242 | // Retrieve the value of the context parameter. | |||
243 | llvm::Value *getContextValue() const override { | |||
244 | if (OuterRegionInfo) | |||
245 | return OuterRegionInfo->getContextValue(); | |||
246 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 246); | |||
247 | } | |||
248 | ||||
249 | void setContextValue(llvm::Value *V) override { | |||
250 | if (OuterRegionInfo) { | |||
251 | OuterRegionInfo->setContextValue(V); | |||
252 | return; | |||
253 | } | |||
254 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 254); | |||
255 | } | |||
256 | ||||
257 | /// Lookup the captured field decl for a variable. | |||
258 | const FieldDecl *lookup(const VarDecl *VD) const override { | |||
259 | if (OuterRegionInfo) | |||
260 | return OuterRegionInfo->lookup(VD); | |||
261 | // If there is no outer outlined region,no need to lookup in a list of | |||
262 | // captured variables, we can use the original one. | |||
263 | return nullptr; | |||
264 | } | |||
265 | ||||
266 | FieldDecl *getThisFieldDecl() const override { | |||
267 | if (OuterRegionInfo) | |||
268 | return OuterRegionInfo->getThisFieldDecl(); | |||
269 | return nullptr; | |||
270 | } | |||
271 | ||||
272 | /// Get a variable or parameter for storing global thread id | |||
273 | /// inside OpenMP construct. | |||
274 | const VarDecl *getThreadIDVariable() const override { | |||
275 | if (OuterRegionInfo) | |||
276 | return OuterRegionInfo->getThreadIDVariable(); | |||
277 | return nullptr; | |||
278 | } | |||
279 | ||||
280 | /// Get an LValue for the current ThreadID variable. | |||
281 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override { | |||
282 | if (OuterRegionInfo) | |||
283 | return OuterRegionInfo->getThreadIDVariableLValue(CGF); | |||
284 | llvm_unreachable("No LValue for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No LValue for inlined OpenMP construct" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 284); | |||
285 | } | |||
286 | ||||
287 | /// Get the name of the capture helper. | |||
288 | StringRef getHelperName() const override { | |||
289 | if (auto *OuterRegionInfo = getOldCSI()) | |||
290 | return OuterRegionInfo->getHelperName(); | |||
291 | llvm_unreachable("No helper name for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No helper name for inlined OpenMP construct" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 291); | |||
292 | } | |||
293 | ||||
294 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | |||
295 | if (OuterRegionInfo) | |||
296 | OuterRegionInfo->emitUntiedSwitch(CGF); | |||
297 | } | |||
298 | ||||
299 | CodeGenFunction::CGCapturedStmtInfo *getOldCSI() const { return OldCSI; } | |||
300 | ||||
301 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
302 | return CGOpenMPRegionInfo::classof(Info) && | |||
303 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == InlinedRegion; | |||
304 | } | |||
305 | ||||
306 | ~CGOpenMPInlinedRegionInfo() override = default; | |||
307 | ||||
308 | private: | |||
309 | /// CodeGen info about outer OpenMP region. | |||
310 | CodeGenFunction::CGCapturedStmtInfo *OldCSI; | |||
311 | CGOpenMPRegionInfo *OuterRegionInfo; | |||
312 | }; | |||
313 | ||||
314 | /// API for captured statement code generation in OpenMP target | |||
315 | /// constructs. For this captures, implicit parameters are used instead of the | |||
316 | /// captured fields. The name of the target region has to be unique in a given | |||
317 | /// application so it is provided by the client, because only the client has | |||
318 | /// the information to generate that. | |||
319 | class CGOpenMPTargetRegionInfo final : public CGOpenMPRegionInfo { | |||
320 | public: | |||
321 | CGOpenMPTargetRegionInfo(const CapturedStmt &CS, | |||
322 | const RegionCodeGenTy &CodeGen, StringRef HelperName) | |||
323 | : CGOpenMPRegionInfo(CS, TargetRegion, CodeGen, OMPD_target, | |||
324 | /*HasCancel=*/false), | |||
325 | HelperName(HelperName) {} | |||
326 | ||||
327 | /// This is unused for target regions because each starts executing | |||
328 | /// with a single thread. | |||
329 | const VarDecl *getThreadIDVariable() const override { return nullptr; } | |||
330 | ||||
331 | /// Get the name of the capture helper. | |||
332 | StringRef getHelperName() const override { return HelperName; } | |||
333 | ||||
334 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
335 | return CGOpenMPRegionInfo::classof(Info) && | |||
336 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == TargetRegion; | |||
337 | } | |||
338 | ||||
339 | private: | |||
340 | StringRef HelperName; | |||
341 | }; | |||
342 | ||||
343 | static void EmptyCodeGen(CodeGenFunction &, PrePostActionTy &) { | |||
344 | llvm_unreachable("No codegen for expressions")::llvm::llvm_unreachable_internal("No codegen for expressions" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 344); | |||
345 | } | |||
346 | /// API for generation of expressions captured in a innermost OpenMP | |||
347 | /// region. | |||
348 | class CGOpenMPInnerExprInfo final : public CGOpenMPInlinedRegionInfo { | |||
349 | public: | |||
350 | CGOpenMPInnerExprInfo(CodeGenFunction &CGF, const CapturedStmt &CS) | |||
351 | : CGOpenMPInlinedRegionInfo(CGF.CapturedStmtInfo, EmptyCodeGen, | |||
352 | OMPD_unknown, | |||
353 | /*HasCancel=*/false), | |||
354 | PrivScope(CGF) { | |||
355 | // Make sure the globals captured in the provided statement are local by | |||
356 | // using the privatization logic. We assume the same variable is not | |||
357 | // captured more than once. | |||
358 | for (const auto &C : CS.captures()) { | |||
359 | if (!C.capturesVariable() && !C.capturesVariableByCopy()) | |||
360 | continue; | |||
361 | ||||
362 | const VarDecl *VD = C.getCapturedVar(); | |||
363 | if (VD->isLocalVarDeclOrParm()) | |||
364 | continue; | |||
365 | ||||
366 | DeclRefExpr DRE(CGF.getContext(), const_cast<VarDecl *>(VD), | |||
367 | /*RefersToEnclosingVariableOrCapture=*/false, | |||
368 | VD->getType().getNonReferenceType(), VK_LValue, | |||
369 | C.getLocation()); | |||
370 | PrivScope.addPrivate( | |||
371 | VD, [&CGF, &DRE]() { return CGF.EmitLValue(&DRE).getAddress(CGF); }); | |||
372 | } | |||
373 | (void)PrivScope.Privatize(); | |||
374 | } | |||
375 | ||||
376 | /// Lookup the captured field decl for a variable. | |||
377 | const FieldDecl *lookup(const VarDecl *VD) const override { | |||
378 | if (const FieldDecl *FD = CGOpenMPInlinedRegionInfo::lookup(VD)) | |||
379 | return FD; | |||
380 | return nullptr; | |||
381 | } | |||
382 | ||||
383 | /// Emit the captured statement body. | |||
384 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override { | |||
385 | llvm_unreachable("No body for expressions")::llvm::llvm_unreachable_internal("No body for expressions", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 385); | |||
386 | } | |||
387 | ||||
388 | /// Get a variable or parameter for storing global thread id | |||
389 | /// inside OpenMP construct. | |||
390 | const VarDecl *getThreadIDVariable() const override { | |||
391 | llvm_unreachable("No thread id for expressions")::llvm::llvm_unreachable_internal("No thread id for expressions" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 391); | |||
392 | } | |||
393 | ||||
394 | /// Get the name of the capture helper. | |||
395 | StringRef getHelperName() const override { | |||
396 | llvm_unreachable("No helper name for expressions")::llvm::llvm_unreachable_internal("No helper name for expressions" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 396); | |||
397 | } | |||
398 | ||||
399 | static bool classof(const CGCapturedStmtInfo *Info) { return false; } | |||
400 | ||||
401 | private: | |||
402 | /// Private scope to capture global variables. | |||
403 | CodeGenFunction::OMPPrivateScope PrivScope; | |||
404 | }; | |||
405 | ||||
406 | /// RAII for emitting code of OpenMP constructs. | |||
407 | class InlinedOpenMPRegionRAII { | |||
408 | CodeGenFunction &CGF; | |||
409 | llvm::DenseMap<const VarDecl *, FieldDecl *> LambdaCaptureFields; | |||
410 | FieldDecl *LambdaThisCaptureField = nullptr; | |||
411 | const CodeGen::CGBlockInfo *BlockInfo = nullptr; | |||
412 | ||||
413 | public: | |||
414 | /// Constructs region for combined constructs. | |||
415 | /// \param CodeGen Code generation sequence for combined directives. Includes | |||
416 | /// a list of functions used for code generation of implicitly inlined | |||
417 | /// regions. | |||
418 | InlinedOpenMPRegionRAII(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen, | |||
419 | OpenMPDirectiveKind Kind, bool HasCancel) | |||
420 | : CGF(CGF) { | |||
421 | // Start emission for the construct. | |||
422 | CGF.CapturedStmtInfo = new CGOpenMPInlinedRegionInfo( | |||
423 | CGF.CapturedStmtInfo, CodeGen, Kind, HasCancel); | |||
424 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | |||
425 | LambdaThisCaptureField = CGF.LambdaThisCaptureField; | |||
426 | CGF.LambdaThisCaptureField = nullptr; | |||
427 | BlockInfo = CGF.BlockInfo; | |||
428 | CGF.BlockInfo = nullptr; | |||
429 | } | |||
430 | ||||
431 | ~InlinedOpenMPRegionRAII() { | |||
432 | // Restore original CapturedStmtInfo only if we're done with code emission. | |||
433 | auto *OldCSI = | |||
434 | cast<CGOpenMPInlinedRegionInfo>(CGF.CapturedStmtInfo)->getOldCSI(); | |||
435 | delete CGF.CapturedStmtInfo; | |||
436 | CGF.CapturedStmtInfo = OldCSI; | |||
437 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | |||
438 | CGF.LambdaThisCaptureField = LambdaThisCaptureField; | |||
439 | CGF.BlockInfo = BlockInfo; | |||
440 | } | |||
441 | }; | |||
442 | ||||
443 | /// Values for bit flags used in the ident_t to describe the fields. | |||
444 | /// All enumeric elements are named and described in accordance with the code | |||
445 | /// from https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h | |||
446 | enum OpenMPLocationFlags : unsigned { | |||
447 | /// Use trampoline for internal microtask. | |||
448 | OMP_IDENT_IMD = 0x01, | |||
449 | /// Use c-style ident structure. | |||
450 | OMP_IDENT_KMPC = 0x02, | |||
451 | /// Atomic reduction option for kmpc_reduce. | |||
452 | OMP_ATOMIC_REDUCE = 0x10, | |||
453 | /// Explicit 'barrier' directive. | |||
454 | OMP_IDENT_BARRIER_EXPL = 0x20, | |||
455 | /// Implicit barrier in code. | |||
456 | OMP_IDENT_BARRIER_IMPL = 0x40, | |||
457 | /// Implicit barrier in 'for' directive. | |||
458 | OMP_IDENT_BARRIER_IMPL_FOR = 0x40, | |||
459 | /// Implicit barrier in 'sections' directive. | |||
460 | OMP_IDENT_BARRIER_IMPL_SECTIONS = 0xC0, | |||
461 | /// Implicit barrier in 'single' directive. | |||
462 | OMP_IDENT_BARRIER_IMPL_SINGLE = 0x140, | |||
463 | /// Call of __kmp_for_static_init for static loop. | |||
464 | OMP_IDENT_WORK_LOOP = 0x200, | |||
465 | /// Call of __kmp_for_static_init for sections. | |||
466 | OMP_IDENT_WORK_SECTIONS = 0x400, | |||
467 | /// Call of __kmp_for_static_init for distribute. | |||
468 | OMP_IDENT_WORK_DISTRIBUTE = 0x800, | |||
469 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_IDENT_WORK_DISTRIBUTE)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_IDENT_WORK_DISTRIBUTE | |||
470 | }; | |||
471 | ||||
472 | namespace { | |||
473 | 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^=; | |||
474 | /// Values for bit flags for marking which requires clauses have been used. | |||
475 | enum OpenMPOffloadingRequiresDirFlags : int64_t { | |||
476 | /// flag undefined. | |||
477 | OMP_REQ_UNDEFINED = 0x000, | |||
478 | /// no requires clause present. | |||
479 | OMP_REQ_NONE = 0x001, | |||
480 | /// reverse_offload clause. | |||
481 | OMP_REQ_REVERSE_OFFLOAD = 0x002, | |||
482 | /// unified_address clause. | |||
483 | OMP_REQ_UNIFIED_ADDRESS = 0x004, | |||
484 | /// unified_shared_memory clause. | |||
485 | OMP_REQ_UNIFIED_SHARED_MEMORY = 0x008, | |||
486 | /// dynamic_allocators clause. | |||
487 | OMP_REQ_DYNAMIC_ALLOCATORS = 0x010, | |||
488 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_REQ_DYNAMIC_ALLOCATORS)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_REQ_DYNAMIC_ALLOCATORS | |||
489 | }; | |||
490 | ||||
491 | enum OpenMPOffloadingReservedDeviceIDs { | |||
492 | /// Device ID if the device was not defined, runtime should get it | |||
493 | /// from environment variables in the spec. | |||
494 | OMP_DEVICEID_UNDEF = -1, | |||
495 | }; | |||
496 | } // anonymous namespace | |||
497 | ||||
498 | /// Describes ident structure that describes a source location. | |||
499 | /// All descriptions are taken from | |||
500 | /// https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h | |||
501 | /// Original structure: | |||
502 | /// typedef struct ident { | |||
503 | /// kmp_int32 reserved_1; /**< might be used in Fortran; | |||
504 | /// see above */ | |||
505 | /// kmp_int32 flags; /**< also f.flags; KMP_IDENT_xxx flags; | |||
506 | /// KMP_IDENT_KMPC identifies this union | |||
507 | /// member */ | |||
508 | /// kmp_int32 reserved_2; /**< not really used in Fortran any more; | |||
509 | /// see above */ | |||
510 | ///#if USE_ITT_BUILD | |||
511 | /// /* but currently used for storing | |||
512 | /// region-specific ITT */ | |||
513 | /// /* contextual information. */ | |||
514 | ///#endif /* USE_ITT_BUILD */ | |||
515 | /// kmp_int32 reserved_3; /**< source[4] in Fortran, do not use for | |||
516 | /// C++ */ | |||
517 | /// char const *psource; /**< String describing the source location. | |||
518 | /// The string is composed of semi-colon separated | |||
519 | // fields which describe the source file, | |||
520 | /// the function and a pair of line numbers that | |||
521 | /// delimit the construct. | |||
522 | /// */ | |||
523 | /// } ident_t; | |||
524 | enum IdentFieldIndex { | |||
525 | /// might be used in Fortran | |||
526 | IdentField_Reserved_1, | |||
527 | /// OMP_IDENT_xxx flags; OMP_IDENT_KMPC identifies this union member. | |||
528 | IdentField_Flags, | |||
529 | /// Not really used in Fortran any more | |||
530 | IdentField_Reserved_2, | |||
531 | /// Source[4] in Fortran, do not use for C++ | |||
532 | IdentField_Reserved_3, | |||
533 | /// String describing the source location. The string is composed of | |||
534 | /// semi-colon separated fields which describe the source file, the function | |||
535 | /// and a pair of line numbers that delimit the construct. | |||
536 | IdentField_PSource | |||
537 | }; | |||
538 | ||||
539 | /// Schedule types for 'omp for' loops (these enumerators are taken from | |||
540 | /// the enum sched_type in kmp.h). | |||
541 | enum OpenMPSchedType { | |||
542 | /// Lower bound for default (unordered) versions. | |||
543 | OMP_sch_lower = 32, | |||
544 | OMP_sch_static_chunked = 33, | |||
545 | OMP_sch_static = 34, | |||
546 | OMP_sch_dynamic_chunked = 35, | |||
547 | OMP_sch_guided_chunked = 36, | |||
548 | OMP_sch_runtime = 37, | |||
549 | OMP_sch_auto = 38, | |||
550 | /// static with chunk adjustment (e.g., simd) | |||
551 | OMP_sch_static_balanced_chunked = 45, | |||
552 | /// Lower bound for 'ordered' versions. | |||
553 | OMP_ord_lower = 64, | |||
554 | OMP_ord_static_chunked = 65, | |||
555 | OMP_ord_static = 66, | |||
556 | OMP_ord_dynamic_chunked = 67, | |||
557 | OMP_ord_guided_chunked = 68, | |||
558 | OMP_ord_runtime = 69, | |||
559 | OMP_ord_auto = 70, | |||
560 | OMP_sch_default = OMP_sch_static, | |||
561 | /// dist_schedule types | |||
562 | OMP_dist_sch_static_chunked = 91, | |||
563 | OMP_dist_sch_static = 92, | |||
564 | /// Support for OpenMP 4.5 monotonic and nonmonotonic schedule modifiers. | |||
565 | /// Set if the monotonic schedule modifier was present. | |||
566 | OMP_sch_modifier_monotonic = (1 << 29), | |||
567 | /// Set if the nonmonotonic schedule modifier was present. | |||
568 | OMP_sch_modifier_nonmonotonic = (1 << 30), | |||
569 | }; | |||
570 | ||||
571 | /// A basic class for pre|post-action for advanced codegen sequence for OpenMP | |||
572 | /// region. | |||
573 | class CleanupTy final : public EHScopeStack::Cleanup { | |||
574 | PrePostActionTy *Action; | |||
575 | ||||
576 | public: | |||
577 | explicit CleanupTy(PrePostActionTy *Action) : Action(Action) {} | |||
578 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
579 | if (!CGF.HaveInsertPoint()) | |||
580 | return; | |||
581 | Action->Exit(CGF); | |||
582 | } | |||
583 | }; | |||
584 | ||||
585 | } // anonymous namespace | |||
586 | ||||
587 | void RegionCodeGenTy::operator()(CodeGenFunction &CGF) const { | |||
588 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
589 | if (PrePostAction) { | |||
590 | CGF.EHStack.pushCleanup<CleanupTy>(NormalAndEHCleanup, PrePostAction); | |||
591 | Callback(CodeGen, CGF, *PrePostAction); | |||
592 | } else { | |||
593 | PrePostActionTy Action; | |||
594 | Callback(CodeGen, CGF, Action); | |||
595 | } | |||
596 | } | |||
597 | ||||
598 | /// Check if the combiner is a call to UDR combiner and if it is so return the | |||
599 | /// UDR decl used for reduction. | |||
600 | static const OMPDeclareReductionDecl * | |||
601 | getReductionInit(const Expr *ReductionOp) { | |||
602 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | |||
603 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | |||
604 | if (const auto *DRE = | |||
605 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | |||
606 | if (const auto *DRD = dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) | |||
607 | return DRD; | |||
608 | return nullptr; | |||
609 | } | |||
610 | ||||
611 | static void emitInitWithReductionInitializer(CodeGenFunction &CGF, | |||
612 | const OMPDeclareReductionDecl *DRD, | |||
613 | const Expr *InitOp, | |||
614 | Address Private, Address Original, | |||
615 | QualType Ty) { | |||
616 | if (DRD->getInitializer()) { | |||
617 | std::pair<llvm::Function *, llvm::Function *> Reduction = | |||
618 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | |||
619 | const auto *CE = cast<CallExpr>(InitOp); | |||
620 | const auto *OVE = cast<OpaqueValueExpr>(CE->getCallee()); | |||
621 | const Expr *LHS = CE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
622 | const Expr *RHS = CE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | |||
623 | const auto *LHSDRE = | |||
624 | cast<DeclRefExpr>(cast<UnaryOperator>(LHS)->getSubExpr()); | |||
625 | const auto *RHSDRE = | |||
626 | cast<DeclRefExpr>(cast<UnaryOperator>(RHS)->getSubExpr()); | |||
627 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
628 | PrivateScope.addPrivate(cast<VarDecl>(LHSDRE->getDecl()), | |||
629 | [=]() { return Private; }); | |||
630 | PrivateScope.addPrivate(cast<VarDecl>(RHSDRE->getDecl()), | |||
631 | [=]() { return Original; }); | |||
632 | (void)PrivateScope.Privatize(); | |||
633 | RValue Func = RValue::get(Reduction.second); | |||
634 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | |||
635 | CGF.EmitIgnoredExpr(InitOp); | |||
636 | } else { | |||
637 | llvm::Constant *Init = CGF.CGM.EmitNullConstant(Ty); | |||
638 | std::string Name = CGF.CGM.getOpenMPRuntime().getName({"init"}); | |||
639 | auto *GV = new llvm::GlobalVariable( | |||
640 | CGF.CGM.getModule(), Init->getType(), /*isConstant=*/true, | |||
641 | llvm::GlobalValue::PrivateLinkage, Init, Name); | |||
642 | LValue LV = CGF.MakeNaturalAlignAddrLValue(GV, Ty); | |||
643 | RValue InitRVal; | |||
644 | switch (CGF.getEvaluationKind(Ty)) { | |||
645 | case TEK_Scalar: | |||
646 | InitRVal = CGF.EmitLoadOfLValue(LV, DRD->getLocation()); | |||
647 | break; | |||
648 | case TEK_Complex: | |||
649 | InitRVal = | |||
650 | RValue::getComplex(CGF.EmitLoadOfComplex(LV, DRD->getLocation())); | |||
651 | break; | |||
652 | case TEK_Aggregate: | |||
653 | InitRVal = RValue::getAggregate(LV.getAddress(CGF)); | |||
654 | break; | |||
655 | } | |||
656 | OpaqueValueExpr OVE(DRD->getLocation(), Ty, VK_RValue); | |||
657 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, InitRVal); | |||
658 | CGF.EmitAnyExprToMem(&OVE, Private, Ty.getQualifiers(), | |||
659 | /*IsInitializer=*/false); | |||
660 | } | |||
661 | } | |||
662 | ||||
663 | /// Emit initialization of arrays of complex types. | |||
664 | /// \param DestAddr Address of the array. | |||
665 | /// \param Type Type of array. | |||
666 | /// \param Init Initial expression of array. | |||
667 | /// \param SrcAddr Address of the original array. | |||
668 | static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr, | |||
669 | QualType Type, bool EmitDeclareReductionInit, | |||
670 | const Expr *Init, | |||
671 | const OMPDeclareReductionDecl *DRD, | |||
672 | Address SrcAddr = Address::invalid()) { | |||
673 | // Perform element-by-element initialization. | |||
674 | QualType ElementTy; | |||
675 | ||||
676 | // Drill down to the base element type on both arrays. | |||
677 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | |||
678 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, DestAddr); | |||
679 | DestAddr = | |||
680 | CGF.Builder.CreateElementBitCast(DestAddr, DestAddr.getElementType()); | |||
681 | if (DRD) | |||
682 | SrcAddr = | |||
683 | CGF.Builder.CreateElementBitCast(SrcAddr, DestAddr.getElementType()); | |||
684 | ||||
685 | llvm::Value *SrcBegin = nullptr; | |||
686 | if (DRD) | |||
687 | SrcBegin = SrcAddr.getPointer(); | |||
688 | llvm::Value *DestBegin = DestAddr.getPointer(); | |||
689 | // Cast from pointer to array type to pointer to single element. | |||
690 | llvm::Value *DestEnd = CGF.Builder.CreateGEP(DestBegin, NumElements); | |||
691 | // The basic structure here is a while-do loop. | |||
692 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arrayinit.body"); | |||
693 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arrayinit.done"); | |||
694 | llvm::Value *IsEmpty = | |||
695 | CGF.Builder.CreateICmpEQ(DestBegin, DestEnd, "omp.arrayinit.isempty"); | |||
696 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
697 | ||||
698 | // Enter the loop body, making that address the current address. | |||
699 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
700 | CGF.EmitBlock(BodyBB); | |||
701 | ||||
702 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | |||
703 | ||||
704 | llvm::PHINode *SrcElementPHI = nullptr; | |||
705 | Address SrcElementCurrent = Address::invalid(); | |||
706 | if (DRD) { | |||
707 | SrcElementPHI = CGF.Builder.CreatePHI(SrcBegin->getType(), 2, | |||
708 | "omp.arraycpy.srcElementPast"); | |||
709 | SrcElementPHI->addIncoming(SrcBegin, EntryBB); | |||
710 | SrcElementCurrent = | |||
711 | Address(SrcElementPHI, | |||
712 | SrcAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
713 | } | |||
714 | llvm::PHINode *DestElementPHI = CGF.Builder.CreatePHI( | |||
715 | DestBegin->getType(), 2, "omp.arraycpy.destElementPast"); | |||
716 | DestElementPHI->addIncoming(DestBegin, EntryBB); | |||
717 | Address DestElementCurrent = | |||
718 | Address(DestElementPHI, | |||
719 | DestAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
720 | ||||
721 | // Emit copy. | |||
722 | { | |||
723 | CodeGenFunction::RunCleanupsScope InitScope(CGF); | |||
724 | if (EmitDeclareReductionInit) { | |||
725 | emitInitWithReductionInitializer(CGF, DRD, Init, DestElementCurrent, | |||
726 | SrcElementCurrent, ElementTy); | |||
727 | } else | |||
728 | CGF.EmitAnyExprToMem(Init, DestElementCurrent, ElementTy.getQualifiers(), | |||
729 | /*IsInitializer=*/false); | |||
730 | } | |||
731 | ||||
732 | if (DRD) { | |||
733 | // Shift the address forward by one element. | |||
734 | llvm::Value *SrcElementNext = CGF.Builder.CreateConstGEP1_32( | |||
735 | SrcElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
736 | SrcElementPHI->addIncoming(SrcElementNext, CGF.Builder.GetInsertBlock()); | |||
737 | } | |||
738 | ||||
739 | // Shift the address forward by one element. | |||
740 | llvm::Value *DestElementNext = CGF.Builder.CreateConstGEP1_32( | |||
741 | DestElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
742 | // Check whether we've reached the end. | |||
743 | llvm::Value *Done = | |||
744 | CGF.Builder.CreateICmpEQ(DestElementNext, DestEnd, "omp.arraycpy.done"); | |||
745 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | |||
746 | DestElementPHI->addIncoming(DestElementNext, CGF.Builder.GetInsertBlock()); | |||
747 | ||||
748 | // Done. | |||
749 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
750 | } | |||
751 | ||||
752 | LValue ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, const Expr *E) { | |||
753 | return CGF.EmitOMPSharedLValue(E); | |||
754 | } | |||
755 | ||||
756 | LValue ReductionCodeGen::emitSharedLValueUB(CodeGenFunction &CGF, | |||
757 | const Expr *E) { | |||
758 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(E)) | |||
759 | return CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false); | |||
760 | return LValue(); | |||
761 | } | |||
762 | ||||
763 | void ReductionCodeGen::emitAggregateInitialization( | |||
764 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | |||
765 | const OMPDeclareReductionDecl *DRD) { | |||
766 | // Emit VarDecl with copy init for arrays. | |||
767 | // Get the address of the original variable captured in current | |||
768 | // captured region. | |||
769 | const auto *PrivateVD = | |||
770 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
771 | bool EmitDeclareReductionInit = | |||
772 | DRD && (DRD->getInitializer() || !PrivateVD->hasInit()); | |||
773 | EmitOMPAggregateInit(CGF, PrivateAddr, PrivateVD->getType(), | |||
774 | EmitDeclareReductionInit, | |||
775 | EmitDeclareReductionInit ? ClausesData[N].ReductionOp | |||
776 | : PrivateVD->getInit(), | |||
777 | DRD, SharedLVal.getAddress(CGF)); | |||
778 | } | |||
779 | ||||
780 | ReductionCodeGen::ReductionCodeGen(ArrayRef<const Expr *> Shareds, | |||
781 | ArrayRef<const Expr *> Origs, | |||
782 | ArrayRef<const Expr *> Privates, | |||
783 | ArrayRef<const Expr *> ReductionOps) { | |||
784 | ClausesData.reserve(Shareds.size()); | |||
785 | SharedAddresses.reserve(Shareds.size()); | |||
786 | Sizes.reserve(Shareds.size()); | |||
787 | BaseDecls.reserve(Shareds.size()); | |||
788 | const auto *IOrig = Origs.begin(); | |||
789 | const auto *IPriv = Privates.begin(); | |||
790 | const auto *IRed = ReductionOps.begin(); | |||
791 | for (const Expr *Ref : Shareds) { | |||
792 | ClausesData.emplace_back(Ref, *IOrig, *IPriv, *IRed); | |||
793 | std::advance(IOrig, 1); | |||
794 | std::advance(IPriv, 1); | |||
795 | std::advance(IRed, 1); | |||
796 | } | |||
797 | } | |||
798 | ||||
799 | void ReductionCodeGen::emitSharedOrigLValue(CodeGenFunction &CGF, unsigned N) { | |||
800 | assert(SharedAddresses.size() == N && OrigAddresses.size() == N &&((SharedAddresses.size() == N && OrigAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? static_cast<void> (0) : __assert_fail ("SharedAddresses.size() == N && OrigAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 801, __PRETTY_FUNCTION__)) | |||
801 | "Number of generated lvalues must be exactly N.")((SharedAddresses.size() == N && OrigAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? static_cast<void> (0) : __assert_fail ("SharedAddresses.size() == N && OrigAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 801, __PRETTY_FUNCTION__)); | |||
802 | LValue First = emitSharedLValue(CGF, ClausesData[N].Shared); | |||
803 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Shared); | |||
804 | SharedAddresses.emplace_back(First, Second); | |||
805 | if (ClausesData[N].Shared == ClausesData[N].Ref) { | |||
806 | OrigAddresses.emplace_back(First, Second); | |||
807 | } else { | |||
808 | LValue First = emitSharedLValue(CGF, ClausesData[N].Ref); | |||
809 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Ref); | |||
810 | OrigAddresses.emplace_back(First, Second); | |||
811 | } | |||
812 | } | |||
813 | ||||
814 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N) { | |||
815 | const auto *PrivateVD = | |||
816 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
817 | QualType PrivateType = PrivateVD->getType(); | |||
818 | bool AsArraySection = isa<OMPArraySectionExpr>(ClausesData[N].Ref); | |||
819 | if (!PrivateType->isVariablyModifiedType()) { | |||
820 | Sizes.emplace_back( | |||
821 | CGF.getTypeSize(OrigAddresses[N].first.getType().getNonReferenceType()), | |||
822 | nullptr); | |||
823 | return; | |||
824 | } | |||
825 | llvm::Value *Size; | |||
826 | llvm::Value *SizeInChars; | |||
827 | auto *ElemType = | |||
828 | cast<llvm::PointerType>(OrigAddresses[N].first.getPointer(CGF)->getType()) | |||
829 | ->getElementType(); | |||
830 | auto *ElemSizeOf = llvm::ConstantExpr::getSizeOf(ElemType); | |||
831 | if (AsArraySection) { | |||
832 | Size = CGF.Builder.CreatePtrDiff(OrigAddresses[N].second.getPointer(CGF), | |||
833 | OrigAddresses[N].first.getPointer(CGF)); | |||
834 | Size = CGF.Builder.CreateNUWAdd( | |||
835 | Size, llvm::ConstantInt::get(Size->getType(), /*V=*/1)); | |||
836 | SizeInChars = CGF.Builder.CreateNUWMul(Size, ElemSizeOf); | |||
837 | } else { | |||
838 | SizeInChars = | |||
839 | CGF.getTypeSize(OrigAddresses[N].first.getType().getNonReferenceType()); | |||
840 | Size = CGF.Builder.CreateExactUDiv(SizeInChars, ElemSizeOf); | |||
841 | } | |||
842 | Sizes.emplace_back(SizeInChars, Size); | |||
843 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
844 | CGF, | |||
845 | cast<OpaqueValueExpr>( | |||
846 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | |||
847 | RValue::get(Size)); | |||
848 | CGF.EmitVariablyModifiedType(PrivateType); | |||
849 | } | |||
850 | ||||
851 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N, | |||
852 | llvm::Value *Size) { | |||
853 | const auto *PrivateVD = | |||
854 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
855 | QualType PrivateType = PrivateVD->getType(); | |||
856 | if (!PrivateType->isVariablyModifiedType()) { | |||
857 | assert(!Size && !Sizes[N].second &&((!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? static_cast<void> (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 859, __PRETTY_FUNCTION__)) | |||
858 | "Size should be nullptr for non-variably modified reduction "((!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? static_cast<void> (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 859, __PRETTY_FUNCTION__)) | |||
859 | "items.")((!Size && !Sizes[N].second && "Size should be nullptr for non-variably modified reduction " "items.") ? static_cast<void> (0) : __assert_fail ("!Size && !Sizes[N].second && \"Size should be nullptr for non-variably modified reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 859, __PRETTY_FUNCTION__)); | |||
860 | return; | |||
861 | } | |||
862 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
863 | CGF, | |||
864 | cast<OpaqueValueExpr>( | |||
865 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | |||
866 | RValue::get(Size)); | |||
867 | CGF.EmitVariablyModifiedType(PrivateType); | |||
868 | } | |||
869 | ||||
870 | void ReductionCodeGen::emitInitialization( | |||
871 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | |||
872 | llvm::function_ref<bool(CodeGenFunction &)> DefaultInit) { | |||
873 | assert(SharedAddresses.size() > N && "No variable was generated")((SharedAddresses.size() > N && "No variable was generated" ) ? static_cast<void> (0) : __assert_fail ("SharedAddresses.size() > N && \"No variable was generated\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 873, __PRETTY_FUNCTION__)); | |||
874 | const auto *PrivateVD = | |||
875 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
876 | const OMPDeclareReductionDecl *DRD = | |||
877 | getReductionInit(ClausesData[N].ReductionOp); | |||
878 | QualType PrivateType = PrivateVD->getType(); | |||
879 | PrivateAddr = CGF.Builder.CreateElementBitCast( | |||
880 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | |||
881 | QualType SharedType = SharedAddresses[N].first.getType(); | |||
882 | SharedLVal = CGF.MakeAddrLValue( | |||
883 | CGF.Builder.CreateElementBitCast(SharedLVal.getAddress(CGF), | |||
884 | CGF.ConvertTypeForMem(SharedType)), | |||
885 | SharedType, SharedAddresses[N].first.getBaseInfo(), | |||
886 | CGF.CGM.getTBAAInfoForSubobject(SharedAddresses[N].first, SharedType)); | |||
887 | if (CGF.getContext().getAsArrayType(PrivateVD->getType())) { | |||
888 | if (DRD && DRD->getInitializer()) | |||
889 | (void)DefaultInit(CGF); | |||
890 | emitAggregateInitialization(CGF, N, PrivateAddr, SharedLVal, DRD); | |||
891 | } else if (DRD && (DRD->getInitializer() || !PrivateVD->hasInit())) { | |||
892 | (void)DefaultInit(CGF); | |||
893 | emitInitWithReductionInitializer(CGF, DRD, ClausesData[N].ReductionOp, | |||
894 | PrivateAddr, SharedLVal.getAddress(CGF), | |||
895 | SharedLVal.getType()); | |||
896 | } else if (!DefaultInit(CGF) && PrivateVD->hasInit() && | |||
897 | !CGF.isTrivialInitializer(PrivateVD->getInit())) { | |||
898 | CGF.EmitAnyExprToMem(PrivateVD->getInit(), PrivateAddr, | |||
899 | PrivateVD->getType().getQualifiers(), | |||
900 | /*IsInitializer=*/false); | |||
901 | } | |||
902 | } | |||
903 | ||||
904 | bool ReductionCodeGen::needCleanups(unsigned N) { | |||
905 | const auto *PrivateVD = | |||
906 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
907 | QualType PrivateType = PrivateVD->getType(); | |||
908 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | |||
909 | return DTorKind != QualType::DK_none; | |||
910 | } | |||
911 | ||||
912 | void ReductionCodeGen::emitCleanups(CodeGenFunction &CGF, unsigned N, | |||
913 | Address PrivateAddr) { | |||
914 | const auto *PrivateVD = | |||
915 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
916 | QualType PrivateType = PrivateVD->getType(); | |||
917 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | |||
918 | if (needCleanups(N)) { | |||
919 | PrivateAddr = CGF.Builder.CreateElementBitCast( | |||
920 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | |||
921 | CGF.pushDestroy(DTorKind, PrivateAddr, PrivateType); | |||
922 | } | |||
923 | } | |||
924 | ||||
925 | static LValue loadToBegin(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | |||
926 | LValue BaseLV) { | |||
927 | BaseTy = BaseTy.getNonReferenceType(); | |||
928 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | |||
929 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | |||
930 | if (const auto *PtrTy = BaseTy->getAs<PointerType>()) { | |||
931 | BaseLV = CGF.EmitLoadOfPointerLValue(BaseLV.getAddress(CGF), PtrTy); | |||
932 | } else { | |||
933 | LValue RefLVal = CGF.MakeAddrLValue(BaseLV.getAddress(CGF), BaseTy); | |||
934 | BaseLV = CGF.EmitLoadOfReferenceLValue(RefLVal); | |||
935 | } | |||
936 | BaseTy = BaseTy->getPointeeType(); | |||
937 | } | |||
938 | return CGF.MakeAddrLValue( | |||
939 | CGF.Builder.CreateElementBitCast(BaseLV.getAddress(CGF), | |||
940 | CGF.ConvertTypeForMem(ElTy)), | |||
941 | BaseLV.getType(), BaseLV.getBaseInfo(), | |||
942 | CGF.CGM.getTBAAInfoForSubobject(BaseLV, BaseLV.getType())); | |||
943 | } | |||
944 | ||||
945 | static Address castToBase(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | |||
946 | llvm::Type *BaseLVType, CharUnits BaseLVAlignment, | |||
947 | llvm::Value *Addr) { | |||
948 | Address Tmp = Address::invalid(); | |||
949 | Address TopTmp = Address::invalid(); | |||
950 | Address MostTopTmp = Address::invalid(); | |||
951 | BaseTy = BaseTy.getNonReferenceType(); | |||
952 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | |||
953 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | |||
954 | Tmp = CGF.CreateMemTemp(BaseTy); | |||
955 | if (TopTmp.isValid()) | |||
956 | CGF.Builder.CreateStore(Tmp.getPointer(), TopTmp); | |||
957 | else | |||
958 | MostTopTmp = Tmp; | |||
959 | TopTmp = Tmp; | |||
960 | BaseTy = BaseTy->getPointeeType(); | |||
961 | } | |||
962 | llvm::Type *Ty = BaseLVType; | |||
963 | if (Tmp.isValid()) | |||
964 | Ty = Tmp.getElementType(); | |||
965 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Addr, Ty); | |||
966 | if (Tmp.isValid()) { | |||
967 | CGF.Builder.CreateStore(Addr, Tmp); | |||
968 | return MostTopTmp; | |||
969 | } | |||
970 | return Address(Addr, BaseLVAlignment); | |||
971 | } | |||
972 | ||||
973 | static const VarDecl *getBaseDecl(const Expr *Ref, const DeclRefExpr *&DE) { | |||
974 | const VarDecl *OrigVD = nullptr; | |||
975 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(Ref)) { | |||
976 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
977 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | |||
978 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
979 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
980 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
981 | DE = cast<DeclRefExpr>(Base); | |||
982 | OrigVD = cast<VarDecl>(DE->getDecl()); | |||
983 | } else if (const auto *ASE = dyn_cast<ArraySubscriptExpr>(Ref)) { | |||
984 | const Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | |||
985 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
986 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
987 | DE = cast<DeclRefExpr>(Base); | |||
988 | OrigVD = cast<VarDecl>(DE->getDecl()); | |||
989 | } | |||
990 | return OrigVD; | |||
991 | } | |||
992 | ||||
993 | Address ReductionCodeGen::adjustPrivateAddress(CodeGenFunction &CGF, unsigned N, | |||
994 | Address PrivateAddr) { | |||
995 | const DeclRefExpr *DE; | |||
996 | if (const VarDecl *OrigVD = ::getBaseDecl(ClausesData[N].Ref, DE)) { | |||
997 | BaseDecls.emplace_back(OrigVD); | |||
998 | LValue OriginalBaseLValue = CGF.EmitLValue(DE); | |||
999 | LValue BaseLValue = | |||
1000 | loadToBegin(CGF, OrigVD->getType(), SharedAddresses[N].first.getType(), | |||
1001 | OriginalBaseLValue); | |||
1002 | llvm::Value *Adjustment = CGF.Builder.CreatePtrDiff( | |||
1003 | BaseLValue.getPointer(CGF), SharedAddresses[N].first.getPointer(CGF)); | |||
1004 | llvm::Value *PrivatePointer = | |||
1005 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
1006 | PrivateAddr.getPointer(), | |||
1007 | SharedAddresses[N].first.getAddress(CGF).getType()); | |||
1008 | llvm::Value *Ptr = CGF.Builder.CreateGEP(PrivatePointer, Adjustment); | |||
1009 | return castToBase(CGF, OrigVD->getType(), | |||
1010 | SharedAddresses[N].first.getType(), | |||
1011 | OriginalBaseLValue.getAddress(CGF).getType(), | |||
1012 | OriginalBaseLValue.getAlignment(), Ptr); | |||
1013 | } | |||
1014 | BaseDecls.emplace_back( | |||
1015 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Ref)->getDecl())); | |||
1016 | return PrivateAddr; | |||
1017 | } | |||
1018 | ||||
1019 | bool ReductionCodeGen::usesReductionInitializer(unsigned N) const { | |||
1020 | const OMPDeclareReductionDecl *DRD = | |||
1021 | getReductionInit(ClausesData[N].ReductionOp); | |||
1022 | return DRD && DRD->getInitializer(); | |||
1023 | } | |||
1024 | ||||
1025 | LValue CGOpenMPRegionInfo::getThreadIDVariableLValue(CodeGenFunction &CGF) { | |||
1026 | return CGF.EmitLoadOfPointerLValue( | |||
1027 | CGF.GetAddrOfLocalVar(getThreadIDVariable()), | |||
1028 | getThreadIDVariable()->getType()->castAs<PointerType>()); | |||
1029 | } | |||
1030 | ||||
1031 | void CGOpenMPRegionInfo::EmitBody(CodeGenFunction &CGF, const Stmt * /*S*/) { | |||
1032 | if (!CGF.HaveInsertPoint()) | |||
1033 | return; | |||
1034 | // 1.2.2 OpenMP Language Terminology | |||
1035 | // Structured block - An executable statement with a single entry at the | |||
1036 | // top and a single exit at the bottom. | |||
1037 | // The point of exit cannot be a branch out of the structured block. | |||
1038 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
1039 | CGF.EHStack.pushTerminate(); | |||
1040 | CodeGen(CGF); | |||
1041 | CGF.EHStack.popTerminate(); | |||
1042 | } | |||
1043 | ||||
1044 | LValue CGOpenMPTaskOutlinedRegionInfo::getThreadIDVariableLValue( | |||
1045 | CodeGenFunction &CGF) { | |||
1046 | return CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(getThreadIDVariable()), | |||
1047 | getThreadIDVariable()->getType(), | |||
1048 | AlignmentSource::Decl); | |||
1049 | } | |||
1050 | ||||
1051 | static FieldDecl *addFieldToRecordDecl(ASTContext &C, DeclContext *DC, | |||
1052 | QualType FieldTy) { | |||
1053 | auto *Field = FieldDecl::Create( | |||
1054 | C, DC, SourceLocation(), SourceLocation(), /*Id=*/nullptr, FieldTy, | |||
1055 | C.getTrivialTypeSourceInfo(FieldTy, SourceLocation()), | |||
1056 | /*BW=*/nullptr, /*Mutable=*/false, /*InitStyle=*/ICIS_NoInit); | |||
1057 | Field->setAccess(AS_public); | |||
1058 | DC->addDecl(Field); | |||
1059 | return Field; | |||
1060 | } | |||
1061 | ||||
1062 | CGOpenMPRuntime::CGOpenMPRuntime(CodeGenModule &CGM, StringRef FirstSeparator, | |||
1063 | StringRef Separator) | |||
1064 | : CGM(CGM), FirstSeparator(FirstSeparator), Separator(Separator), | |||
1065 | OMPBuilder(CGM.getModule()), OffloadEntriesInfoManager(CGM) { | |||
1066 | KmpCriticalNameTy = llvm::ArrayType::get(CGM.Int32Ty, /*NumElements*/ 8); | |||
1067 | ||||
1068 | // Initialize Types used in OpenMPIRBuilder from OMPKinds.def | |||
1069 | OMPBuilder.initialize(); | |||
1070 | loadOffloadInfoMetadata(); | |||
1071 | } | |||
1072 | ||||
1073 | void CGOpenMPRuntime::clear() { | |||
1074 | InternalVars.clear(); | |||
1075 | // Clean non-target variable declarations possibly used only in debug info. | |||
1076 | for (const auto &Data : EmittedNonTargetVariables) { | |||
1077 | if (!Data.getValue().pointsToAliveValue()) | |||
1078 | continue; | |||
1079 | auto *GV = dyn_cast<llvm::GlobalVariable>(Data.getValue()); | |||
1080 | if (!GV) | |||
1081 | continue; | |||
1082 | if (!GV->isDeclaration() || GV->getNumUses() > 0) | |||
1083 | continue; | |||
1084 | GV->eraseFromParent(); | |||
1085 | } | |||
1086 | } | |||
1087 | ||||
1088 | std::string CGOpenMPRuntime::getName(ArrayRef<StringRef> Parts) const { | |||
1089 | SmallString<128> Buffer; | |||
1090 | llvm::raw_svector_ostream OS(Buffer); | |||
1091 | StringRef Sep = FirstSeparator; | |||
1092 | for (StringRef Part : Parts) { | |||
1093 | OS << Sep << Part; | |||
1094 | Sep = Separator; | |||
1095 | } | |||
1096 | return std::string(OS.str()); | |||
1097 | } | |||
1098 | ||||
1099 | static llvm::Function * | |||
1100 | emitCombinerOrInitializer(CodeGenModule &CGM, QualType Ty, | |||
1101 | const Expr *CombinerInitializer, const VarDecl *In, | |||
1102 | const VarDecl *Out, bool IsCombiner) { | |||
1103 | // void .omp_combiner.(Ty *in, Ty *out); | |||
1104 | ASTContext &C = CGM.getContext(); | |||
1105 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | |||
1106 | FunctionArgList Args; | |||
1107 | ImplicitParamDecl OmpOutParm(C, /*DC=*/nullptr, Out->getLocation(), | |||
1108 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | |||
1109 | ImplicitParamDecl OmpInParm(C, /*DC=*/nullptr, In->getLocation(), | |||
1110 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | |||
1111 | Args.push_back(&OmpOutParm); | |||
1112 | Args.push_back(&OmpInParm); | |||
1113 | const CGFunctionInfo &FnInfo = | |||
1114 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
1115 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
1116 | std::string Name = CGM.getOpenMPRuntime().getName( | |||
1117 | {IsCombiner ? "omp_combiner" : "omp_initializer", ""}); | |||
1118 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
1119 | Name, &CGM.getModule()); | |||
1120 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
1121 | if (CGM.getLangOpts().Optimize) { | |||
1122 | Fn->removeFnAttr(llvm::Attribute::NoInline); | |||
1123 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
1124 | Fn->addFnAttr(llvm::Attribute::AlwaysInline); | |||
1125 | } | |||
1126 | CodeGenFunction CGF(CGM); | |||
1127 | // Map "T omp_in;" variable to "*omp_in_parm" value in all expressions. | |||
1128 | // Map "T omp_out;" variable to "*omp_out_parm" value in all expressions. | |||
1129 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, In->getLocation(), | |||
1130 | Out->getLocation()); | |||
1131 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
1132 | Address AddrIn = CGF.GetAddrOfLocalVar(&OmpInParm); | |||
1133 | Scope.addPrivate(In, [&CGF, AddrIn, PtrTy]() { | |||
1134 | return CGF.EmitLoadOfPointerLValue(AddrIn, PtrTy->castAs<PointerType>()) | |||
1135 | .getAddress(CGF); | |||
1136 | }); | |||
1137 | Address AddrOut = CGF.GetAddrOfLocalVar(&OmpOutParm); | |||
1138 | Scope.addPrivate(Out, [&CGF, AddrOut, PtrTy]() { | |||
1139 | return CGF.EmitLoadOfPointerLValue(AddrOut, PtrTy->castAs<PointerType>()) | |||
1140 | .getAddress(CGF); | |||
1141 | }); | |||
1142 | (void)Scope.Privatize(); | |||
1143 | if (!IsCombiner && Out->hasInit() && | |||
1144 | !CGF.isTrivialInitializer(Out->getInit())) { | |||
1145 | CGF.EmitAnyExprToMem(Out->getInit(), CGF.GetAddrOfLocalVar(Out), | |||
1146 | Out->getType().getQualifiers(), | |||
1147 | /*IsInitializer=*/true); | |||
1148 | } | |||
1149 | if (CombinerInitializer) | |||
1150 | CGF.EmitIgnoredExpr(CombinerInitializer); | |||
1151 | Scope.ForceCleanup(); | |||
1152 | CGF.FinishFunction(); | |||
1153 | return Fn; | |||
1154 | } | |||
1155 | ||||
1156 | void CGOpenMPRuntime::emitUserDefinedReduction( | |||
1157 | CodeGenFunction *CGF, const OMPDeclareReductionDecl *D) { | |||
1158 | if (UDRMap.count(D) > 0) | |||
1159 | return; | |||
1160 | llvm::Function *Combiner = emitCombinerOrInitializer( | |||
1161 | CGM, D->getType(), D->getCombiner(), | |||
1162 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerIn())->getDecl()), | |||
1163 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerOut())->getDecl()), | |||
1164 | /*IsCombiner=*/true); | |||
1165 | llvm::Function *Initializer = nullptr; | |||
1166 | if (const Expr *Init = D->getInitializer()) { | |||
1167 | Initializer = emitCombinerOrInitializer( | |||
1168 | CGM, D->getType(), | |||
1169 | D->getInitializerKind() == OMPDeclareReductionDecl::CallInit ? Init | |||
1170 | : nullptr, | |||
1171 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitOrig())->getDecl()), | |||
1172 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitPriv())->getDecl()), | |||
1173 | /*IsCombiner=*/false); | |||
1174 | } | |||
1175 | UDRMap.try_emplace(D, Combiner, Initializer); | |||
1176 | if (CGF) { | |||
1177 | auto &Decls = FunctionUDRMap.FindAndConstruct(CGF->CurFn); | |||
1178 | Decls.second.push_back(D); | |||
1179 | } | |||
1180 | } | |||
1181 | ||||
1182 | std::pair<llvm::Function *, llvm::Function *> | |||
1183 | CGOpenMPRuntime::getUserDefinedReduction(const OMPDeclareReductionDecl *D) { | |||
1184 | auto I = UDRMap.find(D); | |||
1185 | if (I != UDRMap.end()) | |||
1186 | return I->second; | |||
1187 | emitUserDefinedReduction(/*CGF=*/nullptr, D); | |||
1188 | return UDRMap.lookup(D); | |||
1189 | } | |||
1190 | ||||
1191 | namespace { | |||
1192 | // Temporary RAII solution to perform a push/pop stack event on the OpenMP IR | |||
1193 | // Builder if one is present. | |||
1194 | struct PushAndPopStackRAII { | |||
1195 | PushAndPopStackRAII(llvm::OpenMPIRBuilder *OMPBuilder, CodeGenFunction &CGF, | |||
1196 | bool HasCancel) | |||
1197 | : OMPBuilder(OMPBuilder) { | |||
1198 | if (!OMPBuilder) | |||
1199 | return; | |||
1200 | ||||
1201 | // The following callback is the crucial part of clangs cleanup process. | |||
1202 | // | |||
1203 | // NOTE: | |||
1204 | // Once the OpenMPIRBuilder is used to create parallel regions (and | |||
1205 | // similar), the cancellation destination (Dest below) is determined via | |||
1206 | // IP. That means if we have variables to finalize we split the block at IP, | |||
1207 | // use the new block (=BB) as destination to build a JumpDest (via | |||
1208 | // getJumpDestInCurrentScope(BB)) which then is fed to | |||
1209 | // EmitBranchThroughCleanup. Furthermore, there will not be the need | |||
1210 | // to push & pop an FinalizationInfo object. | |||
1211 | // The FiniCB will still be needed but at the point where the | |||
1212 | // OpenMPIRBuilder is asked to construct a parallel (or similar) construct. | |||
1213 | auto FiniCB = [&CGF](llvm::OpenMPIRBuilder::InsertPointTy IP) { | |||
1214 | assert(IP.getBlock()->end() == IP.getPoint() &&((IP.getBlock()->end() == IP.getPoint() && "Clang CG should cause non-terminated block!" ) ? static_cast<void> (0) : __assert_fail ("IP.getBlock()->end() == IP.getPoint() && \"Clang CG should cause non-terminated block!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1215, __PRETTY_FUNCTION__)) | |||
1215 | "Clang CG should cause non-terminated block!")((IP.getBlock()->end() == IP.getPoint() && "Clang CG should cause non-terminated block!" ) ? static_cast<void> (0) : __assert_fail ("IP.getBlock()->end() == IP.getPoint() && \"Clang CG should cause non-terminated block!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1215, __PRETTY_FUNCTION__)); | |||
1216 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | |||
1217 | CGF.Builder.restoreIP(IP); | |||
1218 | CodeGenFunction::JumpDest Dest = | |||
1219 | CGF.getOMPCancelDestination(OMPD_parallel); | |||
1220 | CGF.EmitBranchThroughCleanup(Dest); | |||
1221 | }; | |||
1222 | ||||
1223 | // TODO: Remove this once we emit parallel regions through the | |||
1224 | // OpenMPIRBuilder as it can do this setup internally. | |||
1225 | llvm::OpenMPIRBuilder::FinalizationInfo FI( | |||
1226 | {FiniCB, OMPD_parallel, HasCancel}); | |||
1227 | OMPBuilder->pushFinalizationCB(std::move(FI)); | |||
1228 | } | |||
1229 | ~PushAndPopStackRAII() { | |||
1230 | if (OMPBuilder) | |||
1231 | OMPBuilder->popFinalizationCB(); | |||
1232 | } | |||
1233 | llvm::OpenMPIRBuilder *OMPBuilder; | |||
1234 | }; | |||
1235 | } // namespace | |||
1236 | ||||
1237 | static llvm::Function *emitParallelOrTeamsOutlinedFunction( | |||
1238 | CodeGenModule &CGM, const OMPExecutableDirective &D, const CapturedStmt *CS, | |||
1239 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | |||
1240 | const StringRef OutlinedHelperName, const RegionCodeGenTy &CodeGen) { | |||
1241 | assert(ThreadIDVar->getType()->isPointerType() &&((ThreadIDVar->getType()->isPointerType() && "thread id variable must be of type kmp_int32 *" ) ? static_cast<void> (0) : __assert_fail ("ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 *\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1242, __PRETTY_FUNCTION__)) | |||
1242 | "thread id variable must be of type kmp_int32 *")((ThreadIDVar->getType()->isPointerType() && "thread id variable must be of type kmp_int32 *" ) ? static_cast<void> (0) : __assert_fail ("ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 *\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1242, __PRETTY_FUNCTION__)); | |||
1243 | CodeGenFunction CGF(CGM, true); | |||
1244 | bool HasCancel = false; | |||
1245 | if (const auto *OPD = dyn_cast<OMPParallelDirective>(&D)) | |||
1246 | HasCancel = OPD->hasCancel(); | |||
1247 | else if (const auto *OPD = dyn_cast<OMPTargetParallelDirective>(&D)) | |||
1248 | HasCancel = OPD->hasCancel(); | |||
1249 | else if (const auto *OPSD = dyn_cast<OMPParallelSectionsDirective>(&D)) | |||
1250 | HasCancel = OPSD->hasCancel(); | |||
1251 | else if (const auto *OPFD = dyn_cast<OMPParallelForDirective>(&D)) | |||
1252 | HasCancel = OPFD->hasCancel(); | |||
1253 | else if (const auto *OPFD = dyn_cast<OMPTargetParallelForDirective>(&D)) | |||
1254 | HasCancel = OPFD->hasCancel(); | |||
1255 | else if (const auto *OPFD = dyn_cast<OMPDistributeParallelForDirective>(&D)) | |||
1256 | HasCancel = OPFD->hasCancel(); | |||
1257 | else if (const auto *OPFD = | |||
1258 | dyn_cast<OMPTeamsDistributeParallelForDirective>(&D)) | |||
1259 | HasCancel = OPFD->hasCancel(); | |||
1260 | else if (const auto *OPFD = | |||
1261 | dyn_cast<OMPTargetTeamsDistributeParallelForDirective>(&D)) | |||
1262 | HasCancel = OPFD->hasCancel(); | |||
1263 | ||||
1264 | // TODO: Temporarily inform the OpenMPIRBuilder, if any, about the new | |||
1265 | // parallel region to make cancellation barriers work properly. | |||
1266 | llvm::OpenMPIRBuilder &OMPBuilder = CGM.getOpenMPRuntime().getOMPBuilder(); | |||
1267 | PushAndPopStackRAII PSR(&OMPBuilder, CGF, HasCancel); | |||
1268 | CGOpenMPOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, InnermostKind, | |||
1269 | HasCancel, OutlinedHelperName); | |||
1270 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
1271 | return CGF.GenerateOpenMPCapturedStmtFunction(*CS, D.getBeginLoc()); | |||
1272 | } | |||
1273 | ||||
1274 | llvm::Function *CGOpenMPRuntime::emitParallelOutlinedFunction( | |||
1275 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1276 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
1277 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_parallel); | |||
1278 | return emitParallelOrTeamsOutlinedFunction( | |||
1279 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | |||
1280 | } | |||
1281 | ||||
1282 | llvm::Function *CGOpenMPRuntime::emitTeamsOutlinedFunction( | |||
1283 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1284 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
1285 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_teams); | |||
1286 | return emitParallelOrTeamsOutlinedFunction( | |||
1287 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | |||
1288 | } | |||
1289 | ||||
1290 | llvm::Function *CGOpenMPRuntime::emitTaskOutlinedFunction( | |||
1291 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1292 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | |||
1293 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | |||
1294 | bool Tied, unsigned &NumberOfParts) { | |||
1295 | auto &&UntiedCodeGen = [this, &D, TaskTVar](CodeGenFunction &CGF, | |||
1296 | PrePostActionTy &) { | |||
1297 | llvm::Value *ThreadID = getThreadID(CGF, D.getBeginLoc()); | |||
1298 | llvm::Value *UpLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
1299 | llvm::Value *TaskArgs[] = { | |||
1300 | UpLoc, ThreadID, | |||
1301 | CGF.EmitLoadOfPointerLValue(CGF.GetAddrOfLocalVar(TaskTVar), | |||
1302 | TaskTVar->getType()->castAs<PointerType>()) | |||
1303 | .getPointer(CGF)}; | |||
1304 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
1305 | CGM.getModule(), OMPRTL___kmpc_omp_task), | |||
1306 | TaskArgs); | |||
1307 | }; | |||
1308 | CGOpenMPTaskOutlinedRegionInfo::UntiedTaskActionTy Action(Tied, PartIDVar, | |||
1309 | UntiedCodeGen); | |||
1310 | CodeGen.setAction(Action); | |||
1311 | assert(!ThreadIDVar->getType()->isPointerType() &&((!ThreadIDVar->getType()->isPointerType() && "thread id variable must be of type kmp_int32 for tasks" ) ? static_cast<void> (0) : __assert_fail ("!ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 for tasks\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1312, __PRETTY_FUNCTION__)) | |||
1312 | "thread id variable must be of type kmp_int32 for tasks")((!ThreadIDVar->getType()->isPointerType() && "thread id variable must be of type kmp_int32 for tasks" ) ? static_cast<void> (0) : __assert_fail ("!ThreadIDVar->getType()->isPointerType() && \"thread id variable must be of type kmp_int32 for tasks\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1312, __PRETTY_FUNCTION__)); | |||
1313 | const OpenMPDirectiveKind Region = | |||
1314 | isOpenMPTaskLoopDirective(D.getDirectiveKind()) ? OMPD_taskloop | |||
1315 | : OMPD_task; | |||
1316 | const CapturedStmt *CS = D.getCapturedStmt(Region); | |||
1317 | bool HasCancel = false; | |||
1318 | if (const auto *TD = dyn_cast<OMPTaskDirective>(&D)) | |||
1319 | HasCancel = TD->hasCancel(); | |||
1320 | else if (const auto *TD = dyn_cast<OMPTaskLoopDirective>(&D)) | |||
1321 | HasCancel = TD->hasCancel(); | |||
1322 | else if (const auto *TD = dyn_cast<OMPMasterTaskLoopDirective>(&D)) | |||
1323 | HasCancel = TD->hasCancel(); | |||
1324 | else if (const auto *TD = dyn_cast<OMPParallelMasterTaskLoopDirective>(&D)) | |||
1325 | HasCancel = TD->hasCancel(); | |||
1326 | ||||
1327 | CodeGenFunction CGF(CGM, true); | |||
1328 | CGOpenMPTaskOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, | |||
1329 | InnermostKind, HasCancel, Action); | |||
1330 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
1331 | llvm::Function *Res = CGF.GenerateCapturedStmtFunction(*CS); | |||
1332 | if (!Tied) | |||
1333 | NumberOfParts = Action.getNumberOfParts(); | |||
1334 | return Res; | |||
1335 | } | |||
1336 | ||||
1337 | static void buildStructValue(ConstantStructBuilder &Fields, CodeGenModule &CGM, | |||
1338 | const RecordDecl *RD, const CGRecordLayout &RL, | |||
1339 | ArrayRef<llvm::Constant *> Data) { | |||
1340 | llvm::StructType *StructTy = RL.getLLVMType(); | |||
1341 | unsigned PrevIdx = 0; | |||
1342 | ConstantInitBuilder CIBuilder(CGM); | |||
1343 | auto DI = Data.begin(); | |||
1344 | for (const FieldDecl *FD : RD->fields()) { | |||
1345 | unsigned Idx = RL.getLLVMFieldNo(FD); | |||
1346 | // Fill the alignment. | |||
1347 | for (unsigned I = PrevIdx; I < Idx; ++I) | |||
1348 | Fields.add(llvm::Constant::getNullValue(StructTy->getElementType(I))); | |||
1349 | PrevIdx = Idx + 1; | |||
1350 | Fields.add(*DI); | |||
1351 | ++DI; | |||
1352 | } | |||
1353 | } | |||
1354 | ||||
1355 | template <class... As> | |||
1356 | static llvm::GlobalVariable * | |||
1357 | createGlobalStruct(CodeGenModule &CGM, QualType Ty, bool IsConstant, | |||
1358 | ArrayRef<llvm::Constant *> Data, const Twine &Name, | |||
1359 | As &&... Args) { | |||
1360 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | |||
1361 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | |||
1362 | ConstantInitBuilder CIBuilder(CGM); | |||
1363 | ConstantStructBuilder Fields = CIBuilder.beginStruct(RL.getLLVMType()); | |||
1364 | buildStructValue(Fields, CGM, RD, RL, Data); | |||
1365 | return Fields.finishAndCreateGlobal( | |||
1366 | Name, CGM.getContext().getAlignOfGlobalVarInChars(Ty), IsConstant, | |||
1367 | std::forward<As>(Args)...); | |||
1368 | } | |||
1369 | ||||
1370 | template <typename T> | |||
1371 | static void | |||
1372 | createConstantGlobalStructAndAddToParent(CodeGenModule &CGM, QualType Ty, | |||
1373 | ArrayRef<llvm::Constant *> Data, | |||
1374 | T &Parent) { | |||
1375 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | |||
1376 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | |||
1377 | ConstantStructBuilder Fields = Parent.beginStruct(RL.getLLVMType()); | |||
1378 | buildStructValue(Fields, CGM, RD, RL, Data); | |||
1379 | Fields.finishAndAddTo(Parent); | |||
1380 | } | |||
1381 | ||||
1382 | void CGOpenMPRuntime::setLocThreadIdInsertPt(CodeGenFunction &CGF, | |||
1383 | bool AtCurrentPoint) { | |||
1384 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1385 | assert(!Elem.second.ServiceInsertPt && "Insert point is set already.")((!Elem.second.ServiceInsertPt && "Insert point is set already." ) ? static_cast<void> (0) : __assert_fail ("!Elem.second.ServiceInsertPt && \"Insert point is set already.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1385, __PRETTY_FUNCTION__)); | |||
1386 | ||||
1387 | llvm::Value *Undef = llvm::UndefValue::get(CGF.Int32Ty); | |||
1388 | if (AtCurrentPoint) { | |||
1389 | Elem.second.ServiceInsertPt = new llvm::BitCastInst( | |||
1390 | Undef, CGF.Int32Ty, "svcpt", CGF.Builder.GetInsertBlock()); | |||
1391 | } else { | |||
1392 | Elem.second.ServiceInsertPt = | |||
1393 | new llvm::BitCastInst(Undef, CGF.Int32Ty, "svcpt"); | |||
1394 | Elem.second.ServiceInsertPt->insertAfter(CGF.AllocaInsertPt); | |||
1395 | } | |||
1396 | } | |||
1397 | ||||
1398 | void CGOpenMPRuntime::clearLocThreadIdInsertPt(CodeGenFunction &CGF) { | |||
1399 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1400 | if (Elem.second.ServiceInsertPt) { | |||
1401 | llvm::Instruction *Ptr = Elem.second.ServiceInsertPt; | |||
1402 | Elem.second.ServiceInsertPt = nullptr; | |||
1403 | Ptr->eraseFromParent(); | |||
1404 | } | |||
1405 | } | |||
1406 | ||||
1407 | static StringRef getIdentStringFromSourceLocation(CodeGenFunction &CGF, | |||
1408 | SourceLocation Loc, | |||
1409 | SmallString<128> &Buffer) { | |||
1410 | llvm::raw_svector_ostream OS(Buffer); | |||
1411 | // Build debug location | |||
1412 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | |||
1413 | OS << ";" << PLoc.getFilename() << ";"; | |||
1414 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | |||
1415 | OS << FD->getQualifiedNameAsString(); | |||
1416 | OS << ";" << PLoc.getLine() << ";" << PLoc.getColumn() << ";;"; | |||
1417 | return OS.str(); | |||
1418 | } | |||
1419 | ||||
1420 | llvm::Value *CGOpenMPRuntime::emitUpdateLocation(CodeGenFunction &CGF, | |||
1421 | SourceLocation Loc, | |||
1422 | unsigned Flags) { | |||
1423 | llvm::Constant *SrcLocStr; | |||
1424 | if (CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo || | |||
1425 | Loc.isInvalid()) { | |||
1426 | SrcLocStr = OMPBuilder.getOrCreateDefaultSrcLocStr(); | |||
1427 | } else { | |||
1428 | std::string FunctionName = ""; | |||
1429 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | |||
1430 | FunctionName = FD->getQualifiedNameAsString(); | |||
1431 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | |||
1432 | const char *FileName = PLoc.getFilename(); | |||
1433 | unsigned Line = PLoc.getLine(); | |||
1434 | unsigned Column = PLoc.getColumn(); | |||
1435 | SrcLocStr = OMPBuilder.getOrCreateSrcLocStr(FunctionName.c_str(), FileName, | |||
1436 | Line, Column); | |||
1437 | } | |||
1438 | unsigned Reserved2Flags = getDefaultLocationReserved2Flags(); | |||
1439 | return OMPBuilder.getOrCreateIdent(SrcLocStr, llvm::omp::IdentFlag(Flags), | |||
1440 | Reserved2Flags); | |||
1441 | } | |||
1442 | ||||
1443 | llvm::Value *CGOpenMPRuntime::getThreadID(CodeGenFunction &CGF, | |||
1444 | SourceLocation Loc) { | |||
1445 | assert(CGF.CurFn && "No function in current CodeGenFunction.")((CGF.CurFn && "No function in current CodeGenFunction." ) ? static_cast<void> (0) : __assert_fail ("CGF.CurFn && \"No function in current CodeGenFunction.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1445, __PRETTY_FUNCTION__)); | |||
1446 | // If the OpenMPIRBuilder is used we need to use it for all thread id calls as | |||
1447 | // the clang invariants used below might be broken. | |||
1448 | if (CGM.getLangOpts().OpenMPIRBuilder) { | |||
1449 | SmallString<128> Buffer; | |||
1450 | OMPBuilder.updateToLocation(CGF.Builder.saveIP()); | |||
1451 | auto *SrcLocStr = OMPBuilder.getOrCreateSrcLocStr( | |||
1452 | getIdentStringFromSourceLocation(CGF, Loc, Buffer)); | |||
1453 | return OMPBuilder.getOrCreateThreadID( | |||
1454 | OMPBuilder.getOrCreateIdent(SrcLocStr)); | |||
1455 | } | |||
1456 | ||||
1457 | llvm::Value *ThreadID = nullptr; | |||
1458 | // Check whether we've already cached a load of the thread id in this | |||
1459 | // function. | |||
1460 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | |||
1461 | if (I != OpenMPLocThreadIDMap.end()) { | |||
1462 | ThreadID = I->second.ThreadID; | |||
1463 | if (ThreadID != nullptr) | |||
1464 | return ThreadID; | |||
1465 | } | |||
1466 | // If exceptions are enabled, do not use parameter to avoid possible crash. | |||
1467 | if (auto *OMPRegionInfo = | |||
1468 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
1469 | if (OMPRegionInfo->getThreadIDVariable()) { | |||
1470 | // Check if this an outlined function with thread id passed as argument. | |||
1471 | LValue LVal = OMPRegionInfo->getThreadIDVariableLValue(CGF); | |||
1472 | llvm::BasicBlock *TopBlock = CGF.AllocaInsertPt->getParent(); | |||
1473 | if (!CGF.EHStack.requiresLandingPad() || !CGF.getLangOpts().Exceptions || | |||
1474 | !CGF.getLangOpts().CXXExceptions || | |||
1475 | CGF.Builder.GetInsertBlock() == TopBlock || | |||
1476 | !isa<llvm::Instruction>(LVal.getPointer(CGF)) || | |||
1477 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | |||
1478 | TopBlock || | |||
1479 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | |||
1480 | CGF.Builder.GetInsertBlock()) { | |||
1481 | ThreadID = CGF.EmitLoadOfScalar(LVal, Loc); | |||
1482 | // If value loaded in entry block, cache it and use it everywhere in | |||
1483 | // function. | |||
1484 | if (CGF.Builder.GetInsertBlock() == TopBlock) { | |||
1485 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1486 | Elem.second.ThreadID = ThreadID; | |||
1487 | } | |||
1488 | return ThreadID; | |||
1489 | } | |||
1490 | } | |||
1491 | } | |||
1492 | ||||
1493 | // This is not an outlined function region - need to call __kmpc_int32 | |||
1494 | // kmpc_global_thread_num(ident_t *loc). | |||
1495 | // Generate thread id value and cache this value for use across the | |||
1496 | // function. | |||
1497 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1498 | if (!Elem.second.ServiceInsertPt) | |||
1499 | setLocThreadIdInsertPt(CGF); | |||
1500 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | |||
1501 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | |||
1502 | llvm::CallInst *Call = CGF.Builder.CreateCall( | |||
1503 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
1504 | OMPRTL___kmpc_global_thread_num), | |||
1505 | emitUpdateLocation(CGF, Loc)); | |||
1506 | Call->setCallingConv(CGF.getRuntimeCC()); | |||
1507 | Elem.second.ThreadID = Call; | |||
1508 | return Call; | |||
1509 | } | |||
1510 | ||||
1511 | void CGOpenMPRuntime::functionFinished(CodeGenFunction &CGF) { | |||
1512 | assert(CGF.CurFn && "No function in current CodeGenFunction.")((CGF.CurFn && "No function in current CodeGenFunction." ) ? static_cast<void> (0) : __assert_fail ("CGF.CurFn && \"No function in current CodeGenFunction.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1512, __PRETTY_FUNCTION__)); | |||
1513 | if (OpenMPLocThreadIDMap.count(CGF.CurFn)) { | |||
1514 | clearLocThreadIdInsertPt(CGF); | |||
1515 | OpenMPLocThreadIDMap.erase(CGF.CurFn); | |||
1516 | } | |||
1517 | if (FunctionUDRMap.count(CGF.CurFn) > 0) { | |||
1518 | for(const auto *D : FunctionUDRMap[CGF.CurFn]) | |||
1519 | UDRMap.erase(D); | |||
1520 | FunctionUDRMap.erase(CGF.CurFn); | |||
1521 | } | |||
1522 | auto I = FunctionUDMMap.find(CGF.CurFn); | |||
1523 | if (I != FunctionUDMMap.end()) { | |||
1524 | for(const auto *D : I->second) | |||
1525 | UDMMap.erase(D); | |||
1526 | FunctionUDMMap.erase(I); | |||
1527 | } | |||
1528 | LastprivateConditionalToTypes.erase(CGF.CurFn); | |||
1529 | FunctionToUntiedTaskStackMap.erase(CGF.CurFn); | |||
1530 | } | |||
1531 | ||||
1532 | llvm::Type *CGOpenMPRuntime::getIdentTyPointerTy() { | |||
1533 | return OMPBuilder.IdentPtr; | |||
1534 | } | |||
1535 | ||||
1536 | llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() { | |||
1537 | if (!Kmpc_MicroTy) { | |||
1538 | // Build void (*kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...) | |||
1539 | llvm::Type *MicroParams[] = {llvm::PointerType::getUnqual(CGM.Int32Ty), | |||
1540 | llvm::PointerType::getUnqual(CGM.Int32Ty)}; | |||
1541 | Kmpc_MicroTy = llvm::FunctionType::get(CGM.VoidTy, MicroParams, true); | |||
1542 | } | |||
1543 | return llvm::PointerType::getUnqual(Kmpc_MicroTy); | |||
1544 | } | |||
1545 | ||||
1546 | llvm::FunctionCallee | |||
1547 | CGOpenMPRuntime::createForStaticInitFunction(unsigned IVSize, bool IVSigned) { | |||
1548 | assert((IVSize == 32 || IVSize == 64) &&(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1549, __PRETTY_FUNCTION__)) | |||
1549 | "IV size is not compatible with the omp runtime")(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1549, __PRETTY_FUNCTION__)); | |||
1550 | StringRef Name = IVSize == 32 ? (IVSigned ? "__kmpc_for_static_init_4" | |||
1551 | : "__kmpc_for_static_init_4u") | |||
1552 | : (IVSigned ? "__kmpc_for_static_init_8" | |||
1553 | : "__kmpc_for_static_init_8u"); | |||
1554 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
1555 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | |||
1556 | llvm::Type *TypeParams[] = { | |||
1557 | getIdentTyPointerTy(), // loc | |||
1558 | CGM.Int32Ty, // tid | |||
1559 | CGM.Int32Ty, // schedtype | |||
1560 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | |||
1561 | PtrTy, // p_lower | |||
1562 | PtrTy, // p_upper | |||
1563 | PtrTy, // p_stride | |||
1564 | ITy, // incr | |||
1565 | ITy // chunk | |||
1566 | }; | |||
1567 | auto *FnTy = | |||
1568 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1569 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
1570 | } | |||
1571 | ||||
1572 | llvm::FunctionCallee | |||
1573 | CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize, bool IVSigned) { | |||
1574 | assert((IVSize == 32 || IVSize == 64) &&(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1575, __PRETTY_FUNCTION__)) | |||
1575 | "IV size is not compatible with the omp runtime")(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1575, __PRETTY_FUNCTION__)); | |||
1576 | StringRef Name = | |||
1577 | IVSize == 32 | |||
1578 | ? (IVSigned ? "__kmpc_dispatch_init_4" : "__kmpc_dispatch_init_4u") | |||
1579 | : (IVSigned ? "__kmpc_dispatch_init_8" : "__kmpc_dispatch_init_8u"); | |||
1580 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
1581 | llvm::Type *TypeParams[] = { getIdentTyPointerTy(), // loc | |||
1582 | CGM.Int32Ty, // tid | |||
1583 | CGM.Int32Ty, // schedtype | |||
1584 | ITy, // lower | |||
1585 | ITy, // upper | |||
1586 | ITy, // stride | |||
1587 | ITy // chunk | |||
1588 | }; | |||
1589 | auto *FnTy = | |||
1590 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1591 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
1592 | } | |||
1593 | ||||
1594 | llvm::FunctionCallee | |||
1595 | CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize, bool IVSigned) { | |||
1596 | assert((IVSize == 32 || IVSize == 64) &&(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1597, __PRETTY_FUNCTION__)) | |||
1597 | "IV size is not compatible with the omp runtime")(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1597, __PRETTY_FUNCTION__)); | |||
1598 | StringRef Name = | |||
1599 | IVSize == 32 | |||
1600 | ? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u") | |||
1601 | : (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u"); | |||
1602 | llvm::Type *TypeParams[] = { | |||
1603 | getIdentTyPointerTy(), // loc | |||
1604 | CGM.Int32Ty, // tid | |||
1605 | }; | |||
1606 | auto *FnTy = | |||
1607 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
1608 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
1609 | } | |||
1610 | ||||
1611 | llvm::FunctionCallee | |||
1612 | CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize, bool IVSigned) { | |||
1613 | assert((IVSize == 32 || IVSize == 64) &&(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1614, __PRETTY_FUNCTION__)) | |||
1614 | "IV size is not compatible with the omp runtime")(((IVSize == 32 || IVSize == 64) && "IV size is not compatible with the omp runtime" ) ? static_cast<void> (0) : __assert_fail ("(IVSize == 32 || IVSize == 64) && \"IV size is not compatible with the omp runtime\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1614, __PRETTY_FUNCTION__)); | |||
1615 | StringRef Name = | |||
1616 | IVSize == 32 | |||
1617 | ? (IVSigned ? "__kmpc_dispatch_next_4" : "__kmpc_dispatch_next_4u") | |||
1618 | : (IVSigned ? "__kmpc_dispatch_next_8" : "__kmpc_dispatch_next_8u"); | |||
1619 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
1620 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | |||
1621 | llvm::Type *TypeParams[] = { | |||
1622 | getIdentTyPointerTy(), // loc | |||
1623 | CGM.Int32Ty, // tid | |||
1624 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | |||
1625 | PtrTy, // p_lower | |||
1626 | PtrTy, // p_upper | |||
1627 | PtrTy // p_stride | |||
1628 | }; | |||
1629 | auto *FnTy = | |||
1630 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
1631 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
1632 | } | |||
1633 | ||||
1634 | /// Obtain information that uniquely identifies a target entry. This | |||
1635 | /// consists of the file and device IDs as well as line number associated with | |||
1636 | /// the relevant entry source location. | |||
1637 | static void getTargetEntryUniqueInfo(ASTContext &C, SourceLocation Loc, | |||
1638 | unsigned &DeviceID, unsigned &FileID, | |||
1639 | unsigned &LineNum) { | |||
1640 | SourceManager &SM = C.getSourceManager(); | |||
1641 | ||||
1642 | // The loc should be always valid and have a file ID (the user cannot use | |||
1643 | // #pragma directives in macros) | |||
1644 | ||||
1645 | assert(Loc.isValid() && "Source location is expected to be always valid.")((Loc.isValid() && "Source location is expected to be always valid." ) ? static_cast<void> (0) : __assert_fail ("Loc.isValid() && \"Source location is expected to be always valid.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1645, __PRETTY_FUNCTION__)); | |||
1646 | ||||
1647 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); | |||
1648 | assert(PLoc.isValid() && "Source location is expected to be always valid.")((PLoc.isValid() && "Source location is expected to be always valid." ) ? static_cast<void> (0) : __assert_fail ("PLoc.isValid() && \"Source location is expected to be always valid.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1648, __PRETTY_FUNCTION__)); | |||
1649 | ||||
1650 | llvm::sys::fs::UniqueID ID; | |||
1651 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) | |||
1652 | SM.getDiagnostics().Report(diag::err_cannot_open_file) | |||
1653 | << PLoc.getFilename() << EC.message(); | |||
1654 | ||||
1655 | DeviceID = ID.getDevice(); | |||
1656 | FileID = ID.getFile(); | |||
1657 | LineNum = PLoc.getLine(); | |||
1658 | } | |||
1659 | ||||
1660 | Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) { | |||
1661 | if (CGM.getLangOpts().OpenMPSimd) | |||
1662 | return Address::invalid(); | |||
1663 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
1664 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
1665 | if (Res && (*Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
1666 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
1667 | HasRequiresUnifiedSharedMemory))) { | |||
1668 | SmallString<64> PtrName; | |||
1669 | { | |||
1670 | llvm::raw_svector_ostream OS(PtrName); | |||
1671 | OS << CGM.getMangledName(GlobalDecl(VD)); | |||
1672 | if (!VD->isExternallyVisible()) { | |||
1673 | unsigned DeviceID, FileID, Line; | |||
1674 | getTargetEntryUniqueInfo(CGM.getContext(), | |||
1675 | VD->getCanonicalDecl()->getBeginLoc(), | |||
1676 | DeviceID, FileID, Line); | |||
1677 | OS << llvm::format("_%x", FileID); | |||
1678 | } | |||
1679 | OS << "_decl_tgt_ref_ptr"; | |||
1680 | } | |||
1681 | llvm::Value *Ptr = CGM.getModule().getNamedValue(PtrName); | |||
1682 | if (!Ptr) { | |||
1683 | QualType PtrTy = CGM.getContext().getPointerType(VD->getType()); | |||
1684 | Ptr = getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(PtrTy), | |||
1685 | PtrName); | |||
1686 | ||||
1687 | auto *GV = cast<llvm::GlobalVariable>(Ptr); | |||
1688 | GV->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | |||
1689 | ||||
1690 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
1691 | GV->setInitializer(CGM.GetAddrOfGlobal(VD)); | |||
1692 | registerTargetGlobalVariable(VD, cast<llvm::Constant>(Ptr)); | |||
1693 | } | |||
1694 | return Address(Ptr, CGM.getContext().getDeclAlign(VD)); | |||
1695 | } | |||
1696 | return Address::invalid(); | |||
1697 | } | |||
1698 | ||||
1699 | llvm::Constant * | |||
1700 | CGOpenMPRuntime::getOrCreateThreadPrivateCache(const VarDecl *VD) { | |||
1701 | assert(!CGM.getLangOpts().OpenMPUseTLS ||((!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo ().isTLSSupported()) ? static_cast<void> (0) : __assert_fail ("!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1702, __PRETTY_FUNCTION__)) | |||
1702 | !CGM.getContext().getTargetInfo().isTLSSupported())((!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo ().isTLSSupported()) ? static_cast<void> (0) : __assert_fail ("!CGM.getLangOpts().OpenMPUseTLS || !CGM.getContext().getTargetInfo().isTLSSupported()" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1702, __PRETTY_FUNCTION__)); | |||
1703 | // Lookup the entry, lazily creating it if necessary. | |||
1704 | std::string Suffix = getName({"cache", ""}); | |||
1705 | return getOrCreateInternalVariable( | |||
1706 | CGM.Int8PtrPtrTy, Twine(CGM.getMangledName(VD)).concat(Suffix)); | |||
1707 | } | |||
1708 | ||||
1709 | Address CGOpenMPRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | |||
1710 | const VarDecl *VD, | |||
1711 | Address VDAddr, | |||
1712 | SourceLocation Loc) { | |||
1713 | if (CGM.getLangOpts().OpenMPUseTLS && | |||
1714 | CGM.getContext().getTargetInfo().isTLSSupported()) | |||
1715 | return VDAddr; | |||
1716 | ||||
1717 | llvm::Type *VarTy = VDAddr.getElementType(); | |||
1718 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
1719 | CGF.Builder.CreatePointerCast(VDAddr.getPointer(), | |||
1720 | CGM.Int8PtrTy), | |||
1721 | CGM.getSize(CGM.GetTargetTypeStoreSize(VarTy)), | |||
1722 | getOrCreateThreadPrivateCache(VD)}; | |||
1723 | return Address(CGF.EmitRuntimeCall( | |||
1724 | OMPBuilder.getOrCreateRuntimeFunction( | |||
1725 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | |||
1726 | Args), | |||
1727 | VDAddr.getAlignment()); | |||
1728 | } | |||
1729 | ||||
1730 | void CGOpenMPRuntime::emitThreadPrivateVarInit( | |||
1731 | CodeGenFunction &CGF, Address VDAddr, llvm::Value *Ctor, | |||
1732 | llvm::Value *CopyCtor, llvm::Value *Dtor, SourceLocation Loc) { | |||
1733 | // Call kmp_int32 __kmpc_global_thread_num(&loc) to init OpenMP runtime | |||
1734 | // library. | |||
1735 | llvm::Value *OMPLoc = emitUpdateLocation(CGF, Loc); | |||
1736 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
1737 | CGM.getModule(), OMPRTL___kmpc_global_thread_num), | |||
1738 | OMPLoc); | |||
1739 | // Call __kmpc_threadprivate_register(&loc, &var, ctor, cctor/*NULL*/, dtor) | |||
1740 | // to register constructor/destructor for variable. | |||
1741 | llvm::Value *Args[] = { | |||
1742 | OMPLoc, CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.VoidPtrTy), | |||
1743 | Ctor, CopyCtor, Dtor}; | |||
1744 | CGF.EmitRuntimeCall( | |||
1745 | OMPBuilder.getOrCreateRuntimeFunction( | |||
1746 | CGM.getModule(), OMPRTL___kmpc_threadprivate_register), | |||
1747 | Args); | |||
1748 | } | |||
1749 | ||||
1750 | llvm::Function *CGOpenMPRuntime::emitThreadPrivateVarDefinition( | |||
1751 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, | |||
1752 | bool PerformInit, CodeGenFunction *CGF) { | |||
1753 | if (CGM.getLangOpts().OpenMPUseTLS && | |||
1754 | CGM.getContext().getTargetInfo().isTLSSupported()) | |||
1755 | return nullptr; | |||
1756 | ||||
1757 | VD = VD->getDefinition(CGM.getContext()); | |||
1758 | if (VD && ThreadPrivateWithDefinition.insert(CGM.getMangledName(VD)).second) { | |||
1759 | QualType ASTTy = VD->getType(); | |||
1760 | ||||
1761 | llvm::Value *Ctor = nullptr, *CopyCtor = nullptr, *Dtor = nullptr; | |||
1762 | const Expr *Init = VD->getAnyInitializer(); | |||
1763 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | |||
1764 | // Generate function that re-emits the declaration's initializer into the | |||
1765 | // threadprivate copy of the variable VD | |||
1766 | CodeGenFunction CtorCGF(CGM); | |||
1767 | FunctionArgList Args; | |||
1768 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | |||
1769 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | |||
1770 | ImplicitParamDecl::Other); | |||
1771 | Args.push_back(&Dst); | |||
1772 | ||||
1773 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | |||
1774 | CGM.getContext().VoidPtrTy, Args); | |||
1775 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
1776 | std::string Name = getName({"__kmpc_global_ctor_", ""}); | |||
1777 | llvm::Function *Fn = | |||
1778 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | |||
1779 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidPtrTy, Fn, FI, | |||
1780 | Args, Loc, Loc); | |||
1781 | llvm::Value *ArgVal = CtorCGF.EmitLoadOfScalar( | |||
1782 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | |||
1783 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
1784 | Address Arg = Address(ArgVal, VDAddr.getAlignment()); | |||
1785 | Arg = CtorCGF.Builder.CreateElementBitCast( | |||
1786 | Arg, CtorCGF.ConvertTypeForMem(ASTTy)); | |||
1787 | CtorCGF.EmitAnyExprToMem(Init, Arg, Init->getType().getQualifiers(), | |||
1788 | /*IsInitializer=*/true); | |||
1789 | ArgVal = CtorCGF.EmitLoadOfScalar( | |||
1790 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | |||
1791 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
1792 | CtorCGF.Builder.CreateStore(ArgVal, CtorCGF.ReturnValue); | |||
1793 | CtorCGF.FinishFunction(); | |||
1794 | Ctor = Fn; | |||
1795 | } | |||
1796 | if (VD->getType().isDestructedType() != QualType::DK_none) { | |||
1797 | // Generate function that emits destructor call for the threadprivate copy | |||
1798 | // of the variable VD | |||
1799 | CodeGenFunction DtorCGF(CGM); | |||
1800 | FunctionArgList Args; | |||
1801 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | |||
1802 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | |||
1803 | ImplicitParamDecl::Other); | |||
1804 | Args.push_back(&Dst); | |||
1805 | ||||
1806 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | |||
1807 | CGM.getContext().VoidTy, Args); | |||
1808 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
1809 | std::string Name = getName({"__kmpc_global_dtor_", ""}); | |||
1810 | llvm::Function *Fn = | |||
1811 | CGM.CreateGlobalInitOrCleanUpFunction(FTy, Name, FI, Loc); | |||
1812 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | |||
1813 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, Args, | |||
1814 | Loc, Loc); | |||
1815 | // Create a scope with an artificial location for the body of this function. | |||
1816 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | |||
1817 | llvm::Value *ArgVal = DtorCGF.EmitLoadOfScalar( | |||
1818 | DtorCGF.GetAddrOfLocalVar(&Dst), | |||
1819 | /*Volatile=*/false, CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
1820 | DtorCGF.emitDestroy(Address(ArgVal, VDAddr.getAlignment()), ASTTy, | |||
1821 | DtorCGF.getDestroyer(ASTTy.isDestructedType()), | |||
1822 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | |||
1823 | DtorCGF.FinishFunction(); | |||
1824 | Dtor = Fn; | |||
1825 | } | |||
1826 | // Do not emit init function if it is not required. | |||
1827 | if (!Ctor && !Dtor) | |||
1828 | return nullptr; | |||
1829 | ||||
1830 | llvm::Type *CopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
1831 | auto *CopyCtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CopyCtorTyArgs, | |||
1832 | /*isVarArg=*/false) | |||
1833 | ->getPointerTo(); | |||
1834 | // Copying constructor for the threadprivate variable. | |||
1835 | // Must be NULL - reserved by runtime, but currently it requires that this | |||
1836 | // parameter is always NULL. Otherwise it fires assertion. | |||
1837 | CopyCtor = llvm::Constant::getNullValue(CopyCtorTy); | |||
1838 | if (Ctor == nullptr) { | |||
1839 | auto *CtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | |||
1840 | /*isVarArg=*/false) | |||
1841 | ->getPointerTo(); | |||
1842 | Ctor = llvm::Constant::getNullValue(CtorTy); | |||
1843 | } | |||
1844 | if (Dtor == nullptr) { | |||
1845 | auto *DtorTy = llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, | |||
1846 | /*isVarArg=*/false) | |||
1847 | ->getPointerTo(); | |||
1848 | Dtor = llvm::Constant::getNullValue(DtorTy); | |||
1849 | } | |||
1850 | if (!CGF) { | |||
1851 | auto *InitFunctionTy = | |||
1852 | llvm::FunctionType::get(CGM.VoidTy, /*isVarArg*/ false); | |||
1853 | std::string Name = getName({"__omp_threadprivate_init_", ""}); | |||
1854 | llvm::Function *InitFunction = CGM.CreateGlobalInitOrCleanUpFunction( | |||
1855 | InitFunctionTy, Name, CGM.getTypes().arrangeNullaryFunction()); | |||
1856 | CodeGenFunction InitCGF(CGM); | |||
1857 | FunctionArgList ArgList; | |||
1858 | InitCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, InitFunction, | |||
1859 | CGM.getTypes().arrangeNullaryFunction(), ArgList, | |||
1860 | Loc, Loc); | |||
1861 | emitThreadPrivateVarInit(InitCGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | |||
1862 | InitCGF.FinishFunction(); | |||
1863 | return InitFunction; | |||
1864 | } | |||
1865 | emitThreadPrivateVarInit(*CGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | |||
1866 | } | |||
1867 | return nullptr; | |||
1868 | } | |||
1869 | ||||
1870 | bool CGOpenMPRuntime::emitDeclareTargetVarDefinition(const VarDecl *VD, | |||
1871 | llvm::GlobalVariable *Addr, | |||
1872 | bool PerformInit) { | |||
1873 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | |||
1874 | !CGM.getLangOpts().OpenMPIsDevice) | |||
1875 | return false; | |||
1876 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
1877 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
1878 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
1879 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
1880 | HasRequiresUnifiedSharedMemory)) | |||
1881 | return CGM.getLangOpts().OpenMPIsDevice; | |||
1882 | VD = VD->getDefinition(CGM.getContext()); | |||
1883 | assert(VD && "Unknown VarDecl")((VD && "Unknown VarDecl") ? static_cast<void> ( 0) : __assert_fail ("VD && \"Unknown VarDecl\"", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1883, __PRETTY_FUNCTION__)); | |||
1884 | ||||
1885 | if (!DeclareTargetWithDefinition.insert(CGM.getMangledName(VD)).second) | |||
1886 | return CGM.getLangOpts().OpenMPIsDevice; | |||
1887 | ||||
1888 | QualType ASTTy = VD->getType(); | |||
1889 | SourceLocation Loc = VD->getCanonicalDecl()->getBeginLoc(); | |||
1890 | ||||
1891 | // Produce the unique prefix to identify the new target regions. We use | |||
1892 | // the source location of the variable declaration which we know to not | |||
1893 | // conflict with any target region. | |||
1894 | unsigned DeviceID; | |||
1895 | unsigned FileID; | |||
1896 | unsigned Line; | |||
1897 | getTargetEntryUniqueInfo(CGM.getContext(), Loc, DeviceID, FileID, Line); | |||
1898 | SmallString<128> Buffer, Out; | |||
1899 | { | |||
1900 | llvm::raw_svector_ostream OS(Buffer); | |||
1901 | OS << "__omp_offloading_" << llvm::format("_%x", DeviceID) | |||
1902 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | |||
1903 | } | |||
1904 | ||||
1905 | const Expr *Init = VD->getAnyInitializer(); | |||
1906 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | |||
1907 | llvm::Constant *Ctor; | |||
1908 | llvm::Constant *ID; | |||
1909 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
1910 | // Generate function that re-emits the declaration's initializer into | |||
1911 | // the threadprivate copy of the variable VD | |||
1912 | CodeGenFunction CtorCGF(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, "_ctor"), FI, Loc); | |||
1918 | auto NL = ApplyDebugLocation::CreateEmpty(CtorCGF); | |||
1919 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | |||
1920 | FunctionArgList(), Loc, Loc); | |||
1921 | auto AL = ApplyDebugLocation::CreateArtificial(CtorCGF); | |||
1922 | CtorCGF.EmitAnyExprToMem(Init, | |||
1923 | Address(Addr, CGM.getContext().getDeclAlign(VD)), | |||
1924 | Init->getType().getQualifiers(), | |||
1925 | /*IsInitializer=*/true); | |||
1926 | CtorCGF.FinishFunction(); | |||
1927 | Ctor = Fn; | |||
1928 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | |||
1929 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Ctor)); | |||
1930 | } else { | |||
1931 | Ctor = new llvm::GlobalVariable( | |||
1932 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
1933 | llvm::GlobalValue::PrivateLinkage, | |||
1934 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_ctor")); | |||
1935 | ID = Ctor; | |||
1936 | } | |||
1937 | ||||
1938 | // Register the information for the entry associated with the constructor. | |||
1939 | Out.clear(); | |||
1940 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
1941 | DeviceID, FileID, Twine(Buffer, "_ctor").toStringRef(Out), Line, Ctor, | |||
1942 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryCtor); | |||
1943 | } | |||
1944 | if (VD->getType().isDestructedType() != QualType::DK_none) { | |||
1945 | llvm::Constant *Dtor; | |||
1946 | llvm::Constant *ID; | |||
1947 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
1948 | // Generate function that emits destructor call for the threadprivate | |||
1949 | // copy of the variable VD | |||
1950 | CodeGenFunction DtorCGF(CGM); | |||
1951 | ||||
1952 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | |||
1953 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
1954 | llvm::Function *Fn = CGM.CreateGlobalInitOrCleanUpFunction( | |||
1955 | FTy, Twine(Buffer, "_dtor"), FI, Loc); | |||
1956 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | |||
1957 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | |||
1958 | FunctionArgList(), Loc, Loc); | |||
1959 | // Create a scope with an artificial location for the body of this | |||
1960 | // function. | |||
1961 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | |||
1962 | DtorCGF.emitDestroy(Address(Addr, CGM.getContext().getDeclAlign(VD)), | |||
1963 | ASTTy, DtorCGF.getDestroyer(ASTTy.isDestructedType()), | |||
1964 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | |||
1965 | DtorCGF.FinishFunction(); | |||
1966 | Dtor = Fn; | |||
1967 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | |||
1968 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Dtor)); | |||
1969 | } else { | |||
1970 | Dtor = new llvm::GlobalVariable( | |||
1971 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
1972 | llvm::GlobalValue::PrivateLinkage, | |||
1973 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_dtor")); | |||
1974 | ID = Dtor; | |||
1975 | } | |||
1976 | // Register the information for the entry associated with the destructor. | |||
1977 | Out.clear(); | |||
1978 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
1979 | DeviceID, FileID, Twine(Buffer, "_dtor").toStringRef(Out), Line, Dtor, | |||
1980 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryDtor); | |||
1981 | } | |||
1982 | return CGM.getLangOpts().OpenMPIsDevice; | |||
1983 | } | |||
1984 | ||||
1985 | Address CGOpenMPRuntime::getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, | |||
1986 | QualType VarType, | |||
1987 | StringRef Name) { | |||
1988 | std::string Suffix = getName({"artificial", ""}); | |||
1989 | llvm::Type *VarLVType = CGF.ConvertTypeForMem(VarType); | |||
1990 | llvm::Value *GAddr = | |||
1991 | getOrCreateInternalVariable(VarLVType, Twine(Name).concat(Suffix)); | |||
1992 | if (CGM.getLangOpts().OpenMP && CGM.getLangOpts().OpenMPUseTLS && | |||
1993 | CGM.getTarget().isTLSSupported()) { | |||
1994 | cast<llvm::GlobalVariable>(GAddr)->setThreadLocal(/*Val=*/true); | |||
1995 | return Address(GAddr, CGM.getContext().getTypeAlignInChars(VarType)); | |||
1996 | } | |||
1997 | std::string CacheSuffix = getName({"cache", ""}); | |||
1998 | llvm::Value *Args[] = { | |||
1999 | emitUpdateLocation(CGF, SourceLocation()), | |||
2000 | getThreadID(CGF, SourceLocation()), | |||
2001 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy), | |||
2002 | CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy, | |||
2003 | /*isSigned=*/false), | |||
2004 | getOrCreateInternalVariable( | |||
2005 | CGM.VoidPtrPtrTy, Twine(Name).concat(Suffix).concat(CacheSuffix))}; | |||
2006 | return Address( | |||
2007 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
2008 | CGF.EmitRuntimeCall( | |||
2009 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2010 | CGM.getModule(), OMPRTL___kmpc_threadprivate_cached), | |||
2011 | Args), | |||
2012 | VarLVType->getPointerTo(/*AddrSpace=*/0)), | |||
2013 | CGM.getContext().getTypeAlignInChars(VarType)); | |||
2014 | } | |||
2015 | ||||
2016 | void CGOpenMPRuntime::emitIfClause(CodeGenFunction &CGF, const Expr *Cond, | |||
2017 | const RegionCodeGenTy &ThenGen, | |||
2018 | const RegionCodeGenTy &ElseGen) { | |||
2019 | CodeGenFunction::LexicalScope ConditionScope(CGF, Cond->getSourceRange()); | |||
2020 | ||||
2021 | // If the condition constant folds and can be elided, try to avoid emitting | |||
2022 | // the condition and the dead arm of the if/else. | |||
2023 | bool CondConstant; | |||
2024 | if (CGF.ConstantFoldsToSimpleInteger(Cond, CondConstant)) { | |||
2025 | if (CondConstant) | |||
2026 | ThenGen(CGF); | |||
2027 | else | |||
2028 | ElseGen(CGF); | |||
2029 | return; | |||
2030 | } | |||
2031 | ||||
2032 | // Otherwise, the condition did not fold, or we couldn't elide it. Just | |||
2033 | // emit the conditional branch. | |||
2034 | llvm::BasicBlock *ThenBlock = CGF.createBasicBlock("omp_if.then"); | |||
2035 | llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); | |||
2036 | llvm::BasicBlock *ContBlock = CGF.createBasicBlock("omp_if.end"); | |||
2037 | CGF.EmitBranchOnBoolExpr(Cond, ThenBlock, ElseBlock, /*TrueCount=*/0); | |||
2038 | ||||
2039 | // Emit the 'then' code. | |||
2040 | CGF.EmitBlock(ThenBlock); | |||
2041 | ThenGen(CGF); | |||
2042 | CGF.EmitBranch(ContBlock); | |||
2043 | // Emit the 'else' code if present. | |||
2044 | // There is no need to emit line number for unconditional branch. | |||
2045 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
2046 | CGF.EmitBlock(ElseBlock); | |||
2047 | ElseGen(CGF); | |||
2048 | // There is no need to emit line number for unconditional branch. | |||
2049 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
2050 | CGF.EmitBranch(ContBlock); | |||
2051 | // Emit the continuation block for code after the if. | |||
2052 | CGF.EmitBlock(ContBlock, /*IsFinished=*/true); | |||
2053 | } | |||
2054 | ||||
2055 | void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
2056 | llvm::Function *OutlinedFn, | |||
2057 | ArrayRef<llvm::Value *> CapturedVars, | |||
2058 | const Expr *IfCond) { | |||
2059 | if (!CGF.HaveInsertPoint()) | |||
2060 | return; | |||
2061 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
2062 | auto &M = CGM.getModule(); | |||
2063 | auto &&ThenGen = [&M, OutlinedFn, CapturedVars, RTLoc, | |||
2064 | this](CodeGenFunction &CGF, PrePostActionTy &) { | |||
2065 | // Build call __kmpc_fork_call(loc, n, microtask, var1, .., varn); | |||
2066 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
2067 | llvm::Value *Args[] = { | |||
2068 | RTLoc, | |||
2069 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | |||
2070 | CGF.Builder.CreateBitCast(OutlinedFn, RT.getKmpc_MicroPointerTy())}; | |||
2071 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | |||
2072 | RealArgs.append(std::begin(Args), std::end(Args)); | |||
2073 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
2074 | ||||
2075 | llvm::FunctionCallee RTLFn = | |||
2076 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_fork_call); | |||
2077 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | |||
2078 | }; | |||
2079 | auto &&ElseGen = [&M, OutlinedFn, CapturedVars, RTLoc, Loc, | |||
2080 | this](CodeGenFunction &CGF, PrePostActionTy &) { | |||
2081 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
2082 | llvm::Value *ThreadID = RT.getThreadID(CGF, Loc); | |||
2083 | // Build calls: | |||
2084 | // __kmpc_serialized_parallel(&Loc, GTid); | |||
2085 | llvm::Value *Args[] = {RTLoc, ThreadID}; | |||
2086 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2087 | M, OMPRTL___kmpc_serialized_parallel), | |||
2088 | Args); | |||
2089 | ||||
2090 | // OutlinedFn(>id, &zero_bound, CapturedStruct); | |||
2091 | Address ThreadIDAddr = RT.emitThreadIDAddress(CGF, Loc); | |||
2092 | Address ZeroAddrBound = | |||
2093 | CGF.CreateDefaultAlignTempAlloca(CGF.Int32Ty, | |||
2094 | /*Name=*/".bound.zero.addr"); | |||
2095 | CGF.InitTempAlloca(ZeroAddrBound, CGF.Builder.getInt32(/*C*/ 0)); | |||
2096 | llvm::SmallVector<llvm::Value *, 16> OutlinedFnArgs; | |||
2097 | // ThreadId for serialized parallels is 0. | |||
2098 | OutlinedFnArgs.push_back(ThreadIDAddr.getPointer()); | |||
2099 | OutlinedFnArgs.push_back(ZeroAddrBound.getPointer()); | |||
2100 | OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
2101 | ||||
2102 | // Ensure we do not inline the function. This is trivially true for the ones | |||
2103 | // passed to __kmpc_fork_call but the ones calles in serialized regions | |||
2104 | // could be inlined. This is not a perfect but it is closer to the invariant | |||
2105 | // we want, namely, every data environment starts with a new function. | |||
2106 | // TODO: We should pass the if condition to the runtime function and do the | |||
2107 | // handling there. Much cleaner code. | |||
2108 | OutlinedFn->addFnAttr(llvm::Attribute::NoInline); | |||
2109 | RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs); | |||
2110 | ||||
2111 | // __kmpc_end_serialized_parallel(&Loc, GTid); | |||
2112 | llvm::Value *EndArgs[] = {RT.emitUpdateLocation(CGF, Loc), ThreadID}; | |||
2113 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2114 | M, OMPRTL___kmpc_end_serialized_parallel), | |||
2115 | EndArgs); | |||
2116 | }; | |||
2117 | if (IfCond) { | |||
2118 | emitIfClause(CGF, IfCond, ThenGen, ElseGen); | |||
2119 | } else { | |||
2120 | RegionCodeGenTy ThenRCG(ThenGen); | |||
2121 | ThenRCG(CGF); | |||
2122 | } | |||
2123 | } | |||
2124 | ||||
2125 | // If we're inside an (outlined) parallel region, use the region info's | |||
2126 | // thread-ID variable (it is passed in a first argument of the outlined function | |||
2127 | // as "kmp_int32 *gtid"). Otherwise, if we're not inside parallel region, but in | |||
2128 | // regular serial code region, get thread ID by calling kmp_int32 | |||
2129 | // kmpc_global_thread_num(ident_t *loc), stash this thread ID in a temporary and | |||
2130 | // return the address of that temp. | |||
2131 | Address CGOpenMPRuntime::emitThreadIDAddress(CodeGenFunction &CGF, | |||
2132 | SourceLocation Loc) { | |||
2133 | if (auto *OMPRegionInfo = | |||
2134 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
2135 | if (OMPRegionInfo->getThreadIDVariable()) | |||
2136 | return OMPRegionInfo->getThreadIDVariableLValue(CGF).getAddress(CGF); | |||
2137 | ||||
2138 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
2139 | QualType Int32Ty = | |||
2140 | CGF.getContext().getIntTypeForBitwidth(/*DestWidth*/ 32, /*Signed*/ true); | |||
2141 | Address ThreadIDTemp = CGF.CreateMemTemp(Int32Ty, /*Name*/ ".threadid_temp."); | |||
2142 | CGF.EmitStoreOfScalar(ThreadID, | |||
2143 | CGF.MakeAddrLValue(ThreadIDTemp, Int32Ty)); | |||
2144 | ||||
2145 | return ThreadIDTemp; | |||
2146 | } | |||
2147 | ||||
2148 | llvm::Constant *CGOpenMPRuntime::getOrCreateInternalVariable( | |||
2149 | llvm::Type *Ty, const llvm::Twine &Name, unsigned AddressSpace) { | |||
2150 | SmallString<256> Buffer; | |||
2151 | llvm::raw_svector_ostream Out(Buffer); | |||
2152 | Out << Name; | |||
2153 | StringRef RuntimeName = Out.str(); | |||
2154 | auto &Elem = *InternalVars.try_emplace(RuntimeName, nullptr).first; | |||
2155 | if (Elem.second) { | |||
2156 | assert(Elem.second->getType()->getPointerElementType() == Ty &&((Elem.second->getType()->getPointerElementType() == Ty && "OMP internal variable has different type than requested" ) ? static_cast<void> (0) : __assert_fail ("Elem.second->getType()->getPointerElementType() == Ty && \"OMP internal variable has different type than requested\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2157, __PRETTY_FUNCTION__)) | |||
2157 | "OMP internal variable has different type than requested")((Elem.second->getType()->getPointerElementType() == Ty && "OMP internal variable has different type than requested" ) ? static_cast<void> (0) : __assert_fail ("Elem.second->getType()->getPointerElementType() == Ty && \"OMP internal variable has different type than requested\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2157, __PRETTY_FUNCTION__)); | |||
2158 | return &*Elem.second; | |||
2159 | } | |||
2160 | ||||
2161 | return Elem.second = new llvm::GlobalVariable( | |||
2162 | CGM.getModule(), Ty, /*IsConstant*/ false, | |||
2163 | llvm::GlobalValue::CommonLinkage, llvm::Constant::getNullValue(Ty), | |||
2164 | Elem.first(), /*InsertBefore=*/nullptr, | |||
2165 | llvm::GlobalValue::NotThreadLocal, AddressSpace); | |||
2166 | } | |||
2167 | ||||
2168 | llvm::Value *CGOpenMPRuntime::getCriticalRegionLock(StringRef CriticalName) { | |||
2169 | std::string Prefix = Twine("gomp_critical_user_", CriticalName).str(); | |||
2170 | std::string Name = getName({Prefix, "var"}); | |||
2171 | return getOrCreateInternalVariable(KmpCriticalNameTy, Name); | |||
2172 | } | |||
2173 | ||||
2174 | namespace { | |||
2175 | /// Common pre(post)-action for different OpenMP constructs. | |||
2176 | class CommonActionTy final : public PrePostActionTy { | |||
2177 | llvm::FunctionCallee EnterCallee; | |||
2178 | ArrayRef<llvm::Value *> EnterArgs; | |||
2179 | llvm::FunctionCallee ExitCallee; | |||
2180 | ArrayRef<llvm::Value *> ExitArgs; | |||
2181 | bool Conditional; | |||
2182 | llvm::BasicBlock *ContBlock = nullptr; | |||
2183 | ||||
2184 | public: | |||
2185 | CommonActionTy(llvm::FunctionCallee EnterCallee, | |||
2186 | ArrayRef<llvm::Value *> EnterArgs, | |||
2187 | llvm::FunctionCallee ExitCallee, | |||
2188 | ArrayRef<llvm::Value *> ExitArgs, bool Conditional = false) | |||
2189 | : EnterCallee(EnterCallee), EnterArgs(EnterArgs), ExitCallee(ExitCallee), | |||
2190 | ExitArgs(ExitArgs), Conditional(Conditional) {} | |||
2191 | void Enter(CodeGenFunction &CGF) override { | |||
2192 | llvm::Value *EnterRes = CGF.EmitRuntimeCall(EnterCallee, EnterArgs); | |||
2193 | if (Conditional) { | |||
2194 | llvm::Value *CallBool = CGF.Builder.CreateIsNotNull(EnterRes); | |||
2195 | auto *ThenBlock = CGF.createBasicBlock("omp_if.then"); | |||
2196 | ContBlock = CGF.createBasicBlock("omp_if.end"); | |||
2197 | // Generate the branch (If-stmt) | |||
2198 | CGF.Builder.CreateCondBr(CallBool, ThenBlock, ContBlock); | |||
2199 | CGF.EmitBlock(ThenBlock); | |||
2200 | } | |||
2201 | } | |||
2202 | void Done(CodeGenFunction &CGF) { | |||
2203 | // Emit the rest of blocks/branches | |||
2204 | CGF.EmitBranch(ContBlock); | |||
2205 | CGF.EmitBlock(ContBlock, true); | |||
2206 | } | |||
2207 | void Exit(CodeGenFunction &CGF) override { | |||
2208 | CGF.EmitRuntimeCall(ExitCallee, ExitArgs); | |||
2209 | } | |||
2210 | }; | |||
2211 | } // anonymous namespace | |||
2212 | ||||
2213 | void CGOpenMPRuntime::emitCriticalRegion(CodeGenFunction &CGF, | |||
2214 | StringRef CriticalName, | |||
2215 | const RegionCodeGenTy &CriticalOpGen, | |||
2216 | SourceLocation Loc, const Expr *Hint) { | |||
2217 | // __kmpc_critical[_with_hint](ident_t *, gtid, Lock[, hint]); | |||
2218 | // CriticalOpGen(); | |||
2219 | // __kmpc_end_critical(ident_t *, gtid, Lock); | |||
2220 | // Prepare arguments and build a call to __kmpc_critical | |||
2221 | if (!CGF.HaveInsertPoint()) | |||
2222 | return; | |||
2223 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
2224 | getCriticalRegionLock(CriticalName)}; | |||
2225 | llvm::SmallVector<llvm::Value *, 4> EnterArgs(std::begin(Args), | |||
2226 | std::end(Args)); | |||
2227 | if (Hint) { | |||
2228 | EnterArgs.push_back(CGF.Builder.CreateIntCast( | |||
2229 | CGF.EmitScalarExpr(Hint), CGM.Int32Ty, /*isSigned=*/false)); | |||
2230 | } | |||
2231 | CommonActionTy Action( | |||
2232 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2233 | CGM.getModule(), | |||
2234 | Hint ? OMPRTL___kmpc_critical_with_hint : OMPRTL___kmpc_critical), | |||
2235 | EnterArgs, | |||
2236 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
2237 | OMPRTL___kmpc_end_critical), | |||
2238 | Args); | |||
2239 | CriticalOpGen.setAction(Action); | |||
2240 | emitInlinedDirective(CGF, OMPD_critical, CriticalOpGen); | |||
2241 | } | |||
2242 | ||||
2243 | void CGOpenMPRuntime::emitMasterRegion(CodeGenFunction &CGF, | |||
2244 | const RegionCodeGenTy &MasterOpGen, | |||
2245 | SourceLocation Loc) { | |||
2246 | if (!CGF.HaveInsertPoint()) | |||
2247 | return; | |||
2248 | // if(__kmpc_master(ident_t *, gtid)) { | |||
2249 | // MasterOpGen(); | |||
2250 | // __kmpc_end_master(ident_t *, gtid); | |||
2251 | // } | |||
2252 | // Prepare arguments and build a call to __kmpc_master | |||
2253 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
2254 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | |||
2255 | CGM.getModule(), OMPRTL___kmpc_master), | |||
2256 | Args, | |||
2257 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2258 | CGM.getModule(), OMPRTL___kmpc_end_master), | |||
2259 | Args, | |||
2260 | /*Conditional=*/true); | |||
2261 | MasterOpGen.setAction(Action); | |||
2262 | emitInlinedDirective(CGF, OMPD_master, MasterOpGen); | |||
2263 | Action.Done(CGF); | |||
2264 | } | |||
2265 | ||||
2266 | void CGOpenMPRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | |||
2267 | SourceLocation Loc) { | |||
2268 | if (!CGF.HaveInsertPoint()) | |||
2269 | return; | |||
2270 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | |||
2271 | OMPBuilder.createTaskyield(CGF.Builder); | |||
2272 | } else { | |||
2273 | // Build call __kmpc_omp_taskyield(loc, thread_id, 0); | |||
2274 | llvm::Value *Args[] = { | |||
2275 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
2276 | llvm::ConstantInt::get(CGM.IntTy, /*V=*/0, /*isSigned=*/true)}; | |||
2277 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2278 | CGM.getModule(), OMPRTL___kmpc_omp_taskyield), | |||
2279 | Args); | |||
2280 | } | |||
2281 | ||||
2282 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
2283 | Region->emitUntiedSwitch(CGF); | |||
2284 | } | |||
2285 | ||||
2286 | void CGOpenMPRuntime::emitTaskgroupRegion(CodeGenFunction &CGF, | |||
2287 | const RegionCodeGenTy &TaskgroupOpGen, | |||
2288 | SourceLocation Loc) { | |||
2289 | if (!CGF.HaveInsertPoint()) | |||
2290 | return; | |||
2291 | // __kmpc_taskgroup(ident_t *, gtid); | |||
2292 | // TaskgroupOpGen(); | |||
2293 | // __kmpc_end_taskgroup(ident_t *, gtid); | |||
2294 | // Prepare arguments and build a call to __kmpc_taskgroup | |||
2295 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
2296 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | |||
2297 | CGM.getModule(), OMPRTL___kmpc_taskgroup), | |||
2298 | Args, | |||
2299 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2300 | CGM.getModule(), OMPRTL___kmpc_end_taskgroup), | |||
2301 | Args); | |||
2302 | TaskgroupOpGen.setAction(Action); | |||
2303 | emitInlinedDirective(CGF, OMPD_taskgroup, TaskgroupOpGen); | |||
2304 | } | |||
2305 | ||||
2306 | /// Given an array of pointers to variables, project the address of a | |||
2307 | /// given variable. | |||
2308 | static Address emitAddrOfVarFromArray(CodeGenFunction &CGF, Address Array, | |||
2309 | unsigned Index, const VarDecl *Var) { | |||
2310 | // Pull out the pointer to the variable. | |||
2311 | Address PtrAddr = CGF.Builder.CreateConstArrayGEP(Array, Index); | |||
2312 | llvm::Value *Ptr = CGF.Builder.CreateLoad(PtrAddr); | |||
2313 | ||||
2314 | Address Addr = Address(Ptr, CGF.getContext().getDeclAlign(Var)); | |||
2315 | Addr = CGF.Builder.CreateElementBitCast( | |||
2316 | Addr, CGF.ConvertTypeForMem(Var->getType())); | |||
2317 | return Addr; | |||
2318 | } | |||
2319 | ||||
2320 | static llvm::Value *emitCopyprivateCopyFunction( | |||
2321 | CodeGenModule &CGM, llvm::Type *ArgsType, | |||
2322 | ArrayRef<const Expr *> CopyprivateVars, ArrayRef<const Expr *> DestExprs, | |||
2323 | ArrayRef<const Expr *> SrcExprs, ArrayRef<const Expr *> AssignmentOps, | |||
2324 | SourceLocation Loc) { | |||
2325 | ASTContext &C = CGM.getContext(); | |||
2326 | // void copy_func(void *LHSArg, void *RHSArg); | |||
2327 | FunctionArgList Args; | |||
2328 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
2329 | ImplicitParamDecl::Other); | |||
2330 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
2331 | ImplicitParamDecl::Other); | |||
2332 | Args.push_back(&LHSArg); | |||
2333 | Args.push_back(&RHSArg); | |||
2334 | const auto &CGFI = | |||
2335 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
2336 | std::string Name = | |||
2337 | CGM.getOpenMPRuntime().getName({"omp", "copyprivate", "copy_func"}); | |||
2338 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | |||
2339 | llvm::GlobalValue::InternalLinkage, Name, | |||
2340 | &CGM.getModule()); | |||
2341 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | |||
2342 | Fn->setDoesNotRecurse(); | |||
2343 | CodeGenFunction CGF(CGM); | |||
2344 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | |||
2345 | // Dest = (void*[n])(LHSArg); | |||
2346 | // Src = (void*[n])(RHSArg); | |||
2347 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
2348 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | |||
2349 | ArgsType), CGF.getPointerAlign()); | |||
2350 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
2351 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | |||
2352 | ArgsType), CGF.getPointerAlign()); | |||
2353 | // *(Type0*)Dst[0] = *(Type0*)Src[0]; | |||
2354 | // *(Type1*)Dst[1] = *(Type1*)Src[1]; | |||
2355 | // ... | |||
2356 | // *(Typen*)Dst[n] = *(Typen*)Src[n]; | |||
2357 | for (unsigned I = 0, E = AssignmentOps.size(); I < E; ++I) { | |||
2358 | const auto *DestVar = | |||
2359 | cast<VarDecl>(cast<DeclRefExpr>(DestExprs[I])->getDecl()); | |||
2360 | Address DestAddr = emitAddrOfVarFromArray(CGF, LHS, I, DestVar); | |||
2361 | ||||
2362 | const auto *SrcVar = | |||
2363 | cast<VarDecl>(cast<DeclRefExpr>(SrcExprs[I])->getDecl()); | |||
2364 | Address SrcAddr = emitAddrOfVarFromArray(CGF, RHS, I, SrcVar); | |||
2365 | ||||
2366 | const auto *VD = cast<DeclRefExpr>(CopyprivateVars[I])->getDecl(); | |||
2367 | QualType Type = VD->getType(); | |||
2368 | CGF.EmitOMPCopy(Type, DestAddr, SrcAddr, DestVar, SrcVar, AssignmentOps[I]); | |||
2369 | } | |||
2370 | CGF.FinishFunction(); | |||
2371 | return Fn; | |||
2372 | } | |||
2373 | ||||
2374 | void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF, | |||
2375 | const RegionCodeGenTy &SingleOpGen, | |||
2376 | SourceLocation Loc, | |||
2377 | ArrayRef<const Expr *> CopyprivateVars, | |||
2378 | ArrayRef<const Expr *> SrcExprs, | |||
2379 | ArrayRef<const Expr *> DstExprs, | |||
2380 | ArrayRef<const Expr *> AssignmentOps) { | |||
2381 | if (!CGF.HaveInsertPoint()) | |||
2382 | return; | |||
2383 | assert(CopyprivateVars.size() == SrcExprs.size() &&((CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars .size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? static_cast<void> (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2385, __PRETTY_FUNCTION__)) | |||
2384 | CopyprivateVars.size() == DstExprs.size() &&((CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars .size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? static_cast<void> (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2385, __PRETTY_FUNCTION__)) | |||
2385 | CopyprivateVars.size() == AssignmentOps.size())((CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars .size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()) ? static_cast<void> (0) : __assert_fail ("CopyprivateVars.size() == SrcExprs.size() && CopyprivateVars.size() == DstExprs.size() && CopyprivateVars.size() == AssignmentOps.size()" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2385, __PRETTY_FUNCTION__)); | |||
2386 | ASTContext &C = CGM.getContext(); | |||
2387 | // int32 did_it = 0; | |||
2388 | // if(__kmpc_single(ident_t *, gtid)) { | |||
2389 | // SingleOpGen(); | |||
2390 | // __kmpc_end_single(ident_t *, gtid); | |||
2391 | // did_it = 1; | |||
2392 | // } | |||
2393 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | |||
2394 | // <copy_func>, did_it); | |||
2395 | ||||
2396 | Address DidIt = Address::invalid(); | |||
2397 | if (!CopyprivateVars.empty()) { | |||
2398 | // int32 did_it = 0; | |||
2399 | QualType KmpInt32Ty = | |||
2400 | C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
2401 | DidIt = CGF.CreateMemTemp(KmpInt32Ty, ".omp.copyprivate.did_it"); | |||
2402 | CGF.Builder.CreateStore(CGF.Builder.getInt32(0), DidIt); | |||
2403 | } | |||
2404 | // Prepare arguments and build a call to __kmpc_single | |||
2405 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
2406 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | |||
2407 | CGM.getModule(), OMPRTL___kmpc_single), | |||
2408 | Args, | |||
2409 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2410 | CGM.getModule(), OMPRTL___kmpc_end_single), | |||
2411 | Args, | |||
2412 | /*Conditional=*/true); | |||
2413 | SingleOpGen.setAction(Action); | |||
2414 | emitInlinedDirective(CGF, OMPD_single, SingleOpGen); | |||
2415 | if (DidIt.isValid()) { | |||
2416 | // did_it = 1; | |||
2417 | CGF.Builder.CreateStore(CGF.Builder.getInt32(1), DidIt); | |||
2418 | } | |||
2419 | Action.Done(CGF); | |||
2420 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | |||
2421 | // <copy_func>, did_it); | |||
2422 | if (DidIt.isValid()) { | |||
2423 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, CopyprivateVars.size()); | |||
2424 | QualType CopyprivateArrayTy = C.getConstantArrayType( | |||
2425 | C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | |||
2426 | /*IndexTypeQuals=*/0); | |||
2427 | // Create a list of all private variables for copyprivate. | |||
2428 | Address CopyprivateList = | |||
2429 | CGF.CreateMemTemp(CopyprivateArrayTy, ".omp.copyprivate.cpr_list"); | |||
2430 | for (unsigned I = 0, E = CopyprivateVars.size(); I < E; ++I) { | |||
2431 | Address Elem = CGF.Builder.CreateConstArrayGEP(CopyprivateList, I); | |||
2432 | CGF.Builder.CreateStore( | |||
2433 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
2434 | CGF.EmitLValue(CopyprivateVars[I]).getPointer(CGF), | |||
2435 | CGF.VoidPtrTy), | |||
2436 | Elem); | |||
2437 | } | |||
2438 | // Build function that copies private values from single region to all other | |||
2439 | // threads in the corresponding parallel region. | |||
2440 | llvm::Value *CpyFn = emitCopyprivateCopyFunction( | |||
2441 | CGM, CGF.ConvertTypeForMem(CopyprivateArrayTy)->getPointerTo(), | |||
2442 | CopyprivateVars, SrcExprs, DstExprs, AssignmentOps, Loc); | |||
2443 | llvm::Value *BufSize = CGF.getTypeSize(CopyprivateArrayTy); | |||
2444 | Address CL = | |||
2445 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(CopyprivateList, | |||
2446 | CGF.VoidPtrTy); | |||
2447 | llvm::Value *DidItVal = CGF.Builder.CreateLoad(DidIt); | |||
2448 | llvm::Value *Args[] = { | |||
2449 | emitUpdateLocation(CGF, Loc), // ident_t *<loc> | |||
2450 | getThreadID(CGF, Loc), // i32 <gtid> | |||
2451 | BufSize, // size_t <buf_size> | |||
2452 | CL.getPointer(), // void *<copyprivate list> | |||
2453 | CpyFn, // void (*) (void *, void *) <copy_func> | |||
2454 | DidItVal // i32 did_it | |||
2455 | }; | |||
2456 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2457 | CGM.getModule(), OMPRTL___kmpc_copyprivate), | |||
2458 | Args); | |||
2459 | } | |||
2460 | } | |||
2461 | ||||
2462 | void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF, | |||
2463 | const RegionCodeGenTy &OrderedOpGen, | |||
2464 | SourceLocation Loc, bool IsThreads) { | |||
2465 | if (!CGF.HaveInsertPoint()) | |||
2466 | return; | |||
2467 | // __kmpc_ordered(ident_t *, gtid); | |||
2468 | // OrderedOpGen(); | |||
2469 | // __kmpc_end_ordered(ident_t *, gtid); | |||
2470 | // Prepare arguments and build a call to __kmpc_ordered | |||
2471 | if (IsThreads) { | |||
2472 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
2473 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | |||
2474 | CGM.getModule(), OMPRTL___kmpc_ordered), | |||
2475 | Args, | |||
2476 | OMPBuilder.getOrCreateRuntimeFunction( | |||
2477 | CGM.getModule(), OMPRTL___kmpc_end_ordered), | |||
2478 | Args); | |||
2479 | OrderedOpGen.setAction(Action); | |||
2480 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | |||
2481 | return; | |||
2482 | } | |||
2483 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | |||
2484 | } | |||
2485 | ||||
2486 | unsigned CGOpenMPRuntime::getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind) { | |||
2487 | unsigned Flags; | |||
2488 | if (Kind == OMPD_for) | |||
2489 | Flags = OMP_IDENT_BARRIER_IMPL_FOR; | |||
2490 | else if (Kind == OMPD_sections) | |||
2491 | Flags = OMP_IDENT_BARRIER_IMPL_SECTIONS; | |||
2492 | else if (Kind == OMPD_single) | |||
2493 | Flags = OMP_IDENT_BARRIER_IMPL_SINGLE; | |||
2494 | else if (Kind == OMPD_barrier) | |||
2495 | Flags = OMP_IDENT_BARRIER_EXPL; | |||
2496 | else | |||
2497 | Flags = OMP_IDENT_BARRIER_IMPL; | |||
2498 | return Flags; | |||
2499 | } | |||
2500 | ||||
2501 | void CGOpenMPRuntime::getDefaultScheduleAndChunk( | |||
2502 | CodeGenFunction &CGF, const OMPLoopDirective &S, | |||
2503 | OpenMPScheduleClauseKind &ScheduleKind, const Expr *&ChunkExpr) const { | |||
2504 | // Check if the loop directive is actually a doacross loop directive. In this | |||
2505 | // case choose static, 1 schedule. | |||
2506 | if (llvm::any_of( | |||
2507 | S.getClausesOfKind<OMPOrderedClause>(), | |||
2508 | [](const OMPOrderedClause *C) { return C->getNumForLoops(); })) { | |||
2509 | ScheduleKind = OMPC_SCHEDULE_static; | |||
2510 | // Chunk size is 1 in this case. | |||
2511 | llvm::APInt ChunkSize(32, 1); | |||
2512 | ChunkExpr = IntegerLiteral::Create( | |||
2513 | CGF.getContext(), ChunkSize, | |||
2514 | CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/0), | |||
2515 | SourceLocation()); | |||
2516 | } | |||
2517 | } | |||
2518 | ||||
2519 | void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
2520 | OpenMPDirectiveKind Kind, bool EmitChecks, | |||
2521 | bool ForceSimpleCall) { | |||
2522 | // Check if we should use the OMPBuilder | |||
2523 | auto *OMPRegionInfo = | |||
2524 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo); | |||
2525 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | |||
2526 | CGF.Builder.restoreIP(OMPBuilder.createBarrier( | |||
2527 | CGF.Builder, Kind, ForceSimpleCall, EmitChecks)); | |||
2528 | return; | |||
2529 | } | |||
2530 | ||||
2531 | if (!CGF.HaveInsertPoint()) | |||
2532 | return; | |||
2533 | // Build call __kmpc_cancel_barrier(loc, thread_id); | |||
2534 | // Build call __kmpc_barrier(loc, thread_id); | |||
2535 | unsigned Flags = getDefaultFlagsForBarriers(Kind); | |||
2536 | // Build call __kmpc_cancel_barrier(loc, thread_id) or __kmpc_barrier(loc, | |||
2537 | // thread_id); | |||
2538 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, Flags), | |||
2539 | getThreadID(CGF, Loc)}; | |||
2540 | if (OMPRegionInfo) { | |||
2541 | if (!ForceSimpleCall && OMPRegionInfo->hasCancel()) { | |||
2542 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
2543 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
2544 | OMPRTL___kmpc_cancel_barrier), | |||
2545 | Args); | |||
2546 | if (EmitChecks) { | |||
2547 | // if (__kmpc_cancel_barrier()) { | |||
2548 | // exit from construct; | |||
2549 | // } | |||
2550 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
2551 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
2552 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
2553 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
2554 | CGF.EmitBlock(ExitBB); | |||
2555 | // exit from construct; | |||
2556 | CodeGenFunction::JumpDest CancelDestination = | |||
2557 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
2558 | CGF.EmitBranchThroughCleanup(CancelDestination); | |||
2559 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
2560 | } | |||
2561 | return; | |||
2562 | } | |||
2563 | } | |||
2564 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2565 | CGM.getModule(), OMPRTL___kmpc_barrier), | |||
2566 | Args); | |||
2567 | } | |||
2568 | ||||
2569 | /// Map the OpenMP loop schedule to the runtime enumeration. | |||
2570 | static OpenMPSchedType getRuntimeSchedule(OpenMPScheduleClauseKind ScheduleKind, | |||
2571 | bool Chunked, bool Ordered) { | |||
2572 | switch (ScheduleKind) { | |||
2573 | case OMPC_SCHEDULE_static: | |||
2574 | return Chunked ? (Ordered ? OMP_ord_static_chunked : OMP_sch_static_chunked) | |||
2575 | : (Ordered ? OMP_ord_static : OMP_sch_static); | |||
2576 | case OMPC_SCHEDULE_dynamic: | |||
2577 | return Ordered ? OMP_ord_dynamic_chunked : OMP_sch_dynamic_chunked; | |||
2578 | case OMPC_SCHEDULE_guided: | |||
2579 | return Ordered ? OMP_ord_guided_chunked : OMP_sch_guided_chunked; | |||
2580 | case OMPC_SCHEDULE_runtime: | |||
2581 | return Ordered ? OMP_ord_runtime : OMP_sch_runtime; | |||
2582 | case OMPC_SCHEDULE_auto: | |||
2583 | return Ordered ? OMP_ord_auto : OMP_sch_auto; | |||
2584 | case OMPC_SCHEDULE_unknown: | |||
2585 | assert(!Chunked && "chunk was specified but schedule kind not known")((!Chunked && "chunk was specified but schedule kind not known" ) ? static_cast<void> (0) : __assert_fail ("!Chunked && \"chunk was specified but schedule kind not known\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2585, __PRETTY_FUNCTION__)); | |||
2586 | return Ordered ? OMP_ord_static : OMP_sch_static; | |||
2587 | } | |||
2588 | llvm_unreachable("Unexpected runtime schedule")::llvm::llvm_unreachable_internal("Unexpected runtime schedule" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2588); | |||
2589 | } | |||
2590 | ||||
2591 | /// Map the OpenMP distribute schedule to the runtime enumeration. | |||
2592 | static OpenMPSchedType | |||
2593 | getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) { | |||
2594 | // only static is allowed for dist_schedule | |||
2595 | return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static; | |||
2596 | } | |||
2597 | ||||
2598 | bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, | |||
2599 | bool Chunked) const { | |||
2600 | OpenMPSchedType Schedule = | |||
2601 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | |||
2602 | return Schedule == OMP_sch_static; | |||
2603 | } | |||
2604 | ||||
2605 | bool CGOpenMPRuntime::isStaticNonchunked( | |||
2606 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | |||
2607 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | |||
2608 | return Schedule == OMP_dist_sch_static; | |||
2609 | } | |||
2610 | ||||
2611 | bool CGOpenMPRuntime::isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, | |||
2612 | bool Chunked) const { | |||
2613 | OpenMPSchedType Schedule = | |||
2614 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | |||
2615 | return Schedule == OMP_sch_static_chunked; | |||
2616 | } | |||
2617 | ||||
2618 | bool CGOpenMPRuntime::isStaticChunked( | |||
2619 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | |||
2620 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | |||
2621 | return Schedule == OMP_dist_sch_static_chunked; | |||
2622 | } | |||
2623 | ||||
2624 | bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const { | |||
2625 | OpenMPSchedType Schedule = | |||
2626 | getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false); | |||
2627 | assert(Schedule != OMP_sch_static_chunked && "cannot be chunked here")((Schedule != OMP_sch_static_chunked && "cannot be chunked here" ) ? static_cast<void> (0) : __assert_fail ("Schedule != OMP_sch_static_chunked && \"cannot be chunked here\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2627, __PRETTY_FUNCTION__)); | |||
2628 | return Schedule != OMP_sch_static; | |||
2629 | } | |||
2630 | ||||
2631 | static int addMonoNonMonoModifier(CodeGenModule &CGM, OpenMPSchedType Schedule, | |||
2632 | OpenMPScheduleClauseModifier M1, | |||
2633 | OpenMPScheduleClauseModifier M2) { | |||
2634 | int Modifier = 0; | |||
2635 | switch (M1) { | |||
2636 | case OMPC_SCHEDULE_MODIFIER_monotonic: | |||
2637 | Modifier = OMP_sch_modifier_monotonic; | |||
2638 | break; | |||
2639 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | |||
2640 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
2641 | break; | |||
2642 | case OMPC_SCHEDULE_MODIFIER_simd: | |||
2643 | if (Schedule == OMP_sch_static_chunked) | |||
2644 | Schedule = OMP_sch_static_balanced_chunked; | |||
2645 | break; | |||
2646 | case OMPC_SCHEDULE_MODIFIER_last: | |||
2647 | case OMPC_SCHEDULE_MODIFIER_unknown: | |||
2648 | break; | |||
2649 | } | |||
2650 | switch (M2) { | |||
2651 | case OMPC_SCHEDULE_MODIFIER_monotonic: | |||
2652 | Modifier = OMP_sch_modifier_monotonic; | |||
2653 | break; | |||
2654 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | |||
2655 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
2656 | break; | |||
2657 | case OMPC_SCHEDULE_MODIFIER_simd: | |||
2658 | if (Schedule == OMP_sch_static_chunked) | |||
2659 | Schedule = OMP_sch_static_balanced_chunked; | |||
2660 | break; | |||
2661 | case OMPC_SCHEDULE_MODIFIER_last: | |||
2662 | case OMPC_SCHEDULE_MODIFIER_unknown: | |||
2663 | break; | |||
2664 | } | |||
2665 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Desription. | |||
2666 | // If the static schedule kind is specified or if the ordered clause is | |||
2667 | // specified, and if the nonmonotonic modifier is not specified, the effect is | |||
2668 | // as if the monotonic modifier is specified. Otherwise, unless the monotonic | |||
2669 | // modifier is specified, the effect is as if the nonmonotonic modifier is | |||
2670 | // specified. | |||
2671 | if (CGM.getLangOpts().OpenMP >= 50 && Modifier == 0) { | |||
2672 | if (!(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static || | |||
2673 | Schedule == OMP_sch_static_balanced_chunked || | |||
2674 | Schedule == OMP_ord_static_chunked || Schedule == OMP_ord_static || | |||
2675 | Schedule == OMP_dist_sch_static_chunked || | |||
2676 | Schedule == OMP_dist_sch_static)) | |||
2677 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
2678 | } | |||
2679 | return Schedule | Modifier; | |||
2680 | } | |||
2681 | ||||
2682 | void CGOpenMPRuntime::emitForDispatchInit( | |||
2683 | CodeGenFunction &CGF, SourceLocation Loc, | |||
2684 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | |||
2685 | bool Ordered, const DispatchRTInput &DispatchValues) { | |||
2686 | if (!CGF.HaveInsertPoint()) | |||
2687 | return; | |||
2688 | OpenMPSchedType Schedule = getRuntimeSchedule( | |||
2689 | ScheduleKind.Schedule, DispatchValues.Chunk != nullptr, Ordered); | |||
2690 | assert(Ordered ||((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)) ? static_cast<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)" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2693, __PRETTY_FUNCTION__)) | |||
2691 | (Schedule != OMP_sch_static && Schedule != OMP_sch_static_chunked &&((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)) ? static_cast<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)" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2693, __PRETTY_FUNCTION__)) | |||
2692 | Schedule != OMP_ord_static && Schedule != OMP_ord_static_chunked &&((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)) ? static_cast<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)" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2693, __PRETTY_FUNCTION__)) | |||
2693 | Schedule != OMP_sch_static_balanced_chunked))((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)) ? static_cast<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)" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2693, __PRETTY_FUNCTION__)); | |||
2694 | // Call __kmpc_dispatch_init( | |||
2695 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedule, | |||
2696 | // kmp_int[32|64] lower, kmp_int[32|64] upper, | |||
2697 | // kmp_int[32|64] stride, kmp_int[32|64] chunk); | |||
2698 | ||||
2699 | // If the Chunk was not specified in the clause - use default value 1. | |||
2700 | llvm::Value *Chunk = DispatchValues.Chunk ? DispatchValues.Chunk | |||
2701 | : CGF.Builder.getIntN(IVSize, 1); | |||
2702 | llvm::Value *Args[] = { | |||
2703 | emitUpdateLocation(CGF, Loc), | |||
2704 | getThreadID(CGF, Loc), | |||
2705 | CGF.Builder.getInt32(addMonoNonMonoModifier( | |||
2706 | CGM, Schedule, ScheduleKind.M1, ScheduleKind.M2)), // Schedule type | |||
2707 | DispatchValues.LB, // Lower | |||
2708 | DispatchValues.UB, // Upper | |||
2709 | CGF.Builder.getIntN(IVSize, 1), // Stride | |||
2710 | Chunk // Chunk | |||
2711 | }; | |||
2712 | CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args); | |||
2713 | } | |||
2714 | ||||
2715 | static void emitForStaticInitCall( | |||
2716 | CodeGenFunction &CGF, llvm::Value *UpdateLocation, llvm::Value *ThreadId, | |||
2717 | llvm::FunctionCallee ForStaticInitFunction, OpenMPSchedType Schedule, | |||
2718 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | |||
2719 | const CGOpenMPRuntime::StaticRTInput &Values) { | |||
2720 | if (!CGF.HaveInsertPoint()) | |||
2721 | return; | |||
2722 | ||||
2723 | assert(!Values.Ordered)((!Values.Ordered) ? static_cast<void> (0) : __assert_fail ("!Values.Ordered", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2723, __PRETTY_FUNCTION__)); | |||
2724 | assert(Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked ||((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 ) ? static_cast<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" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2728, __PRETTY_FUNCTION__)) | |||
2725 | Schedule == OMP_sch_static_balanced_chunked ||((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 ) ? static_cast<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" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2728, __PRETTY_FUNCTION__)) | |||
2726 | Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked ||((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 ) ? static_cast<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" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2728, __PRETTY_FUNCTION__)) | |||
2727 | Schedule == OMP_dist_sch_static ||((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 ) ? static_cast<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" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2728, __PRETTY_FUNCTION__)) | |||
2728 | Schedule == OMP_dist_sch_static_chunked)((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 ) ? static_cast<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" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2728, __PRETTY_FUNCTION__)); | |||
2729 | ||||
2730 | // Call __kmpc_for_static_init( | |||
2731 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedtype, | |||
2732 | // kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower, | |||
2733 | // kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride, | |||
2734 | // kmp_int[32|64] incr, kmp_int[32|64] chunk); | |||
2735 | llvm::Value *Chunk = Values.Chunk; | |||
2736 | if (Chunk == nullptr) { | |||
2737 | assert((Schedule == OMP_sch_static || Schedule == OMP_ord_static ||(((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule" ) ? static_cast<void> (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2739, __PRETTY_FUNCTION__)) | |||
2738 | Schedule == OMP_dist_sch_static) &&(((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule" ) ? static_cast<void> (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2739, __PRETTY_FUNCTION__)) | |||
2739 | "expected static non-chunked schedule")(((Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && "expected static non-chunked schedule" ) ? static_cast<void> (0) : __assert_fail ("(Schedule == OMP_sch_static || Schedule == OMP_ord_static || Schedule == OMP_dist_sch_static) && \"expected static non-chunked schedule\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2739, __PRETTY_FUNCTION__)); | |||
2740 | // If the Chunk was not specified in the clause - use default value 1. | |||
2741 | Chunk = CGF.Builder.getIntN(Values.IVSize, 1); | |||
2742 | } else { | |||
2743 | assert((Schedule == OMP_sch_static_chunked ||(((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") ? static_cast <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\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2747, __PRETTY_FUNCTION__)) | |||
2744 | Schedule == OMP_sch_static_balanced_chunked ||(((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") ? static_cast <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\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2747, __PRETTY_FUNCTION__)) | |||
2745 | Schedule == OMP_ord_static_chunked ||(((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") ? static_cast <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\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2747, __PRETTY_FUNCTION__)) | |||
2746 | Schedule == OMP_dist_sch_static_chunked) &&(((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") ? static_cast <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\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2747, __PRETTY_FUNCTION__)) | |||
2747 | "expected static chunked schedule")(((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") ? static_cast <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\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2747, __PRETTY_FUNCTION__)); | |||
2748 | } | |||
2749 | llvm::Value *Args[] = { | |||
2750 | UpdateLocation, | |||
2751 | ThreadId, | |||
2752 | CGF.Builder.getInt32(addMonoNonMonoModifier(CGF.CGM, Schedule, M1, | |||
2753 | M2)), // Schedule type | |||
2754 | Values.IL.getPointer(), // &isLastIter | |||
2755 | Values.LB.getPointer(), // &LB | |||
2756 | Values.UB.getPointer(), // &UB | |||
2757 | Values.ST.getPointer(), // &Stride | |||
2758 | CGF.Builder.getIntN(Values.IVSize, 1), // Incr | |||
2759 | Chunk // Chunk | |||
2760 | }; | |||
2761 | CGF.EmitRuntimeCall(ForStaticInitFunction, Args); | |||
2762 | } | |||
2763 | ||||
2764 | void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF, | |||
2765 | SourceLocation Loc, | |||
2766 | OpenMPDirectiveKind DKind, | |||
2767 | const OpenMPScheduleTy &ScheduleKind, | |||
2768 | const StaticRTInput &Values) { | |||
2769 | OpenMPSchedType ScheduleNum = getRuntimeSchedule( | |||
2770 | ScheduleKind.Schedule, Values.Chunk != nullptr, Values.Ordered); | |||
2771 | assert(isOpenMPWorksharingDirective(DKind) &&((isOpenMPWorksharingDirective(DKind) && "Expected loop-based or sections-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPWorksharingDirective(DKind) && \"Expected loop-based or sections-based directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2772, __PRETTY_FUNCTION__)) | |||
2772 | "Expected loop-based or sections-based directive.")((isOpenMPWorksharingDirective(DKind) && "Expected loop-based or sections-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPWorksharingDirective(DKind) && \"Expected loop-based or sections-based directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2772, __PRETTY_FUNCTION__)); | |||
2773 | llvm::Value *UpdatedLocation = emitUpdateLocation(CGF, Loc, | |||
2774 | isOpenMPLoopDirective(DKind) | |||
2775 | ? OMP_IDENT_WORK_LOOP | |||
2776 | : OMP_IDENT_WORK_SECTIONS); | |||
2777 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
2778 | llvm::FunctionCallee StaticInitFunction = | |||
2779 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | |||
2780 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
2781 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | |||
2782 | ScheduleNum, ScheduleKind.M1, ScheduleKind.M2, Values); | |||
2783 | } | |||
2784 | ||||
2785 | void CGOpenMPRuntime::emitDistributeStaticInit( | |||
2786 | CodeGenFunction &CGF, SourceLocation Loc, | |||
2787 | OpenMPDistScheduleClauseKind SchedKind, | |||
2788 | const CGOpenMPRuntime::StaticRTInput &Values) { | |||
2789 | OpenMPSchedType ScheduleNum = | |||
2790 | getRuntimeSchedule(SchedKind, Values.Chunk != nullptr); | |||
2791 | llvm::Value *UpdatedLocation = | |||
2792 | emitUpdateLocation(CGF, Loc, OMP_IDENT_WORK_DISTRIBUTE); | |||
2793 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
2794 | llvm::FunctionCallee StaticInitFunction = | |||
2795 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | |||
2796 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | |||
2797 | ScheduleNum, OMPC_SCHEDULE_MODIFIER_unknown, | |||
2798 | OMPC_SCHEDULE_MODIFIER_unknown, Values); | |||
2799 | } | |||
2800 | ||||
2801 | void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF, | |||
2802 | SourceLocation Loc, | |||
2803 | OpenMPDirectiveKind DKind) { | |||
2804 | if (!CGF.HaveInsertPoint()) | |||
2805 | return; | |||
2806 | // Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid); | |||
2807 | llvm::Value *Args[] = { | |||
2808 | emitUpdateLocation(CGF, Loc, | |||
2809 | isOpenMPDistributeDirective(DKind) | |||
2810 | ? OMP_IDENT_WORK_DISTRIBUTE | |||
2811 | : isOpenMPLoopDirective(DKind) | |||
2812 | ? OMP_IDENT_WORK_LOOP | |||
2813 | : OMP_IDENT_WORK_SECTIONS), | |||
2814 | getThreadID(CGF, Loc)}; | |||
2815 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
2816 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2817 | CGM.getModule(), OMPRTL___kmpc_for_static_fini), | |||
2818 | Args); | |||
2819 | } | |||
2820 | ||||
2821 | void CGOpenMPRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | |||
2822 | SourceLocation Loc, | |||
2823 | unsigned IVSize, | |||
2824 | bool IVSigned) { | |||
2825 | if (!CGF.HaveInsertPoint()) | |||
2826 | return; | |||
2827 | // Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid); | |||
2828 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
2829 | CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args); | |||
2830 | } | |||
2831 | ||||
2832 | llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF, | |||
2833 | SourceLocation Loc, unsigned IVSize, | |||
2834 | bool IVSigned, Address IL, | |||
2835 | Address LB, Address UB, | |||
2836 | Address ST) { | |||
2837 | // Call __kmpc_dispatch_next( | |||
2838 | // ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, | |||
2839 | // kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, | |||
2840 | // kmp_int[32|64] *p_stride); | |||
2841 | llvm::Value *Args[] = { | |||
2842 | emitUpdateLocation(CGF, Loc), | |||
2843 | getThreadID(CGF, Loc), | |||
2844 | IL.getPointer(), // &isLastIter | |||
2845 | LB.getPointer(), // &Lower | |||
2846 | UB.getPointer(), // &Upper | |||
2847 | ST.getPointer() // &Stride | |||
2848 | }; | |||
2849 | llvm::Value *Call = | |||
2850 | CGF.EmitRuntimeCall(createDispatchNextFunction(IVSize, IVSigned), Args); | |||
2851 | return CGF.EmitScalarConversion( | |||
2852 | Call, CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/1), | |||
2853 | CGF.getContext().BoolTy, Loc); | |||
2854 | } | |||
2855 | ||||
2856 | void CGOpenMPRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | |||
2857 | llvm::Value *NumThreads, | |||
2858 | SourceLocation Loc) { | |||
2859 | if (!CGF.HaveInsertPoint()) | |||
2860 | return; | |||
2861 | // Build call __kmpc_push_num_threads(&loc, global_tid, num_threads) | |||
2862 | llvm::Value *Args[] = { | |||
2863 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
2864 | CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned*/ true)}; | |||
2865 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2866 | CGM.getModule(), OMPRTL___kmpc_push_num_threads), | |||
2867 | Args); | |||
2868 | } | |||
2869 | ||||
2870 | void CGOpenMPRuntime::emitProcBindClause(CodeGenFunction &CGF, | |||
2871 | ProcBindKind ProcBind, | |||
2872 | SourceLocation Loc) { | |||
2873 | if (!CGF.HaveInsertPoint()) | |||
2874 | return; | |||
2875 | assert(ProcBind != OMP_PROC_BIND_unknown && "Unsupported proc_bind value.")((ProcBind != OMP_PROC_BIND_unknown && "Unsupported proc_bind value." ) ? static_cast<void> (0) : __assert_fail ("ProcBind != OMP_PROC_BIND_unknown && \"Unsupported proc_bind value.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2875, __PRETTY_FUNCTION__)); | |||
2876 | // Build call __kmpc_push_proc_bind(&loc, global_tid, proc_bind) | |||
2877 | llvm::Value *Args[] = { | |||
2878 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
2879 | llvm::ConstantInt::get(CGM.IntTy, unsigned(ProcBind), /*isSigned=*/true)}; | |||
2880 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2881 | CGM.getModule(), OMPRTL___kmpc_push_proc_bind), | |||
2882 | Args); | |||
2883 | } | |||
2884 | ||||
2885 | void CGOpenMPRuntime::emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *>, | |||
2886 | SourceLocation Loc, llvm::AtomicOrdering AO) { | |||
2887 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | |||
2888 | OMPBuilder.createFlush(CGF.Builder); | |||
2889 | } else { | |||
2890 | if (!CGF.HaveInsertPoint()) | |||
2891 | return; | |||
2892 | // Build call void __kmpc_flush(ident_t *loc) | |||
2893 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
2894 | CGM.getModule(), OMPRTL___kmpc_flush), | |||
2895 | emitUpdateLocation(CGF, Loc)); | |||
2896 | } | |||
2897 | } | |||
2898 | ||||
2899 | namespace { | |||
2900 | /// Indexes of fields for type kmp_task_t. | |||
2901 | enum KmpTaskTFields { | |||
2902 | /// List of shared variables. | |||
2903 | KmpTaskTShareds, | |||
2904 | /// Task routine. | |||
2905 | KmpTaskTRoutine, | |||
2906 | /// Partition id for the untied tasks. | |||
2907 | KmpTaskTPartId, | |||
2908 | /// Function with call of destructors for private variables. | |||
2909 | Data1, | |||
2910 | /// Task priority. | |||
2911 | Data2, | |||
2912 | /// (Taskloops only) Lower bound. | |||
2913 | KmpTaskTLowerBound, | |||
2914 | /// (Taskloops only) Upper bound. | |||
2915 | KmpTaskTUpperBound, | |||
2916 | /// (Taskloops only) Stride. | |||
2917 | KmpTaskTStride, | |||
2918 | /// (Taskloops only) Is last iteration flag. | |||
2919 | KmpTaskTLastIter, | |||
2920 | /// (Taskloops only) Reduction data. | |||
2921 | KmpTaskTReductions, | |||
2922 | }; | |||
2923 | } // anonymous namespace | |||
2924 | ||||
2925 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::empty() const { | |||
2926 | return OffloadEntriesTargetRegion.empty() && | |||
2927 | OffloadEntriesDeviceGlobalVar.empty(); | |||
2928 | } | |||
2929 | ||||
2930 | /// Initialize target region entry. | |||
2931 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
2932 | initializeTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | |||
2933 | StringRef ParentName, unsigned LineNum, | |||
2934 | unsigned Order) { | |||
2935 | assert(CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is "((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2937, __PRETTY_FUNCTION__)) | |||
2936 | "only required for the device "((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2937, __PRETTY_FUNCTION__)) | |||
2937 | "code generation.")((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2937, __PRETTY_FUNCTION__)); | |||
2938 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = | |||
2939 | OffloadEntryInfoTargetRegion(Order, /*Addr=*/nullptr, /*ID=*/nullptr, | |||
2940 | OMPTargetRegionEntryTargetRegion); | |||
2941 | ++OffloadingEntriesNum; | |||
2942 | } | |||
2943 | ||||
2944 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
2945 | registerTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | |||
2946 | StringRef ParentName, unsigned LineNum, | |||
2947 | llvm::Constant *Addr, llvm::Constant *ID, | |||
2948 | OMPTargetRegionEntryKind Flags) { | |||
2949 | // If we are emitting code for a target, the entry is already initialized, | |||
2950 | // only has to be registered. | |||
2951 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
2952 | // This could happen if the device compilation is invoked standalone. | |||
2953 | if (!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum)) | |||
2954 | initializeTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum, | |||
2955 | OffloadingEntriesNum); | |||
2956 | auto &Entry = | |||
2957 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum]; | |||
2958 | Entry.setAddress(Addr); | |||
2959 | Entry.setID(ID); | |||
2960 | Entry.setFlags(Flags); | |||
2961 | } else { | |||
2962 | if (Flags == | |||
2963 | OffloadEntriesInfoManagerTy::OMPTargetRegionEntryTargetRegion && | |||
2964 | hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum, | |||
2965 | /*IgnoreAddressId*/ true)) | |||
2966 | return; | |||
2967 | assert(!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum) &&((!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum ) && "Target region entry already registered!") ? static_cast <void> (0) : __assert_fail ("!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum) && \"Target region entry already registered!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2968, __PRETTY_FUNCTION__)) | |||
2968 | "Target region entry already registered!")((!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum ) && "Target region entry already registered!") ? static_cast <void> (0) : __assert_fail ("!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum) && \"Target region entry already registered!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2968, __PRETTY_FUNCTION__)); | |||
2969 | OffloadEntryInfoTargetRegion Entry(OffloadingEntriesNum, Addr, ID, Flags); | |||
2970 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = Entry; | |||
2971 | ++OffloadingEntriesNum; | |||
2972 | } | |||
2973 | } | |||
2974 | ||||
2975 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::hasTargetRegionEntryInfo( | |||
2976 | unsigned DeviceID, unsigned FileID, StringRef ParentName, unsigned LineNum, | |||
2977 | bool IgnoreAddressId) const { | |||
2978 | auto PerDevice = OffloadEntriesTargetRegion.find(DeviceID); | |||
2979 | if (PerDevice == OffloadEntriesTargetRegion.end()) | |||
2980 | return false; | |||
2981 | auto PerFile = PerDevice->second.find(FileID); | |||
2982 | if (PerFile == PerDevice->second.end()) | |||
2983 | return false; | |||
2984 | auto PerParentName = PerFile->second.find(ParentName); | |||
2985 | if (PerParentName == PerFile->second.end()) | |||
2986 | return false; | |||
2987 | auto PerLine = PerParentName->second.find(LineNum); | |||
2988 | if (PerLine == PerParentName->second.end()) | |||
2989 | return false; | |||
2990 | // Fail if this entry is already registered. | |||
2991 | if (!IgnoreAddressId && | |||
2992 | (PerLine->second.getAddress() || PerLine->second.getID())) | |||
2993 | return false; | |||
2994 | return true; | |||
2995 | } | |||
2996 | ||||
2997 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy::actOnTargetRegionEntriesInfo( | |||
2998 | const OffloadTargetRegionEntryInfoActTy &Action) { | |||
2999 | // Scan all target region entries and perform the provided action. | |||
3000 | for (const auto &D : OffloadEntriesTargetRegion) | |||
3001 | for (const auto &F : D.second) | |||
3002 | for (const auto &P : F.second) | |||
3003 | for (const auto &L : P.second) | |||
3004 | Action(D.first, F.first, P.first(), L.first, L.second); | |||
3005 | } | |||
3006 | ||||
3007 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
3008 | initializeDeviceGlobalVarEntryInfo(StringRef Name, | |||
3009 | OMPTargetGlobalVarEntryKind Flags, | |||
3010 | unsigned Order) { | |||
3011 | assert(CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is "((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3013, __PRETTY_FUNCTION__)) | |||
3012 | "only required for the device "((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3013, __PRETTY_FUNCTION__)) | |||
3013 | "code generation.")((CGM.getLangOpts().OpenMPIsDevice && "Initialization of entries is " "only required for the device " "code generation.") ? static_cast <void> (0) : __assert_fail ("CGM.getLangOpts().OpenMPIsDevice && \"Initialization of entries is \" \"only required for the device \" \"code generation.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3013, __PRETTY_FUNCTION__)); | |||
3014 | OffloadEntriesDeviceGlobalVar.try_emplace(Name, Order, Flags); | |||
3015 | ++OffloadingEntriesNum; | |||
3016 | } | |||
3017 | ||||
3018 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
3019 | registerDeviceGlobalVarEntryInfo(StringRef VarName, llvm::Constant *Addr, | |||
3020 | CharUnits VarSize, | |||
3021 | OMPTargetGlobalVarEntryKind Flags, | |||
3022 | llvm::GlobalValue::LinkageTypes Linkage) { | |||
3023 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
3024 | // This could happen if the device compilation is invoked standalone. | |||
3025 | if (!hasDeviceGlobalVarEntryInfo(VarName)) | |||
3026 | initializeDeviceGlobalVarEntryInfo(VarName, Flags, OffloadingEntriesNum); | |||
3027 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | |||
3028 | assert((!Entry.getAddress() || Entry.getAddress() == Addr) &&(((!Entry.getAddress() || Entry.getAddress() == Addr) && "Resetting with the new address.") ? static_cast<void> (0) : __assert_fail ("(!Entry.getAddress() || Entry.getAddress() == Addr) && \"Resetting with the new address.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3029, __PRETTY_FUNCTION__)) | |||
3029 | "Resetting with the new address.")(((!Entry.getAddress() || Entry.getAddress() == Addr) && "Resetting with the new address.") ? static_cast<void> (0) : __assert_fail ("(!Entry.getAddress() || Entry.getAddress() == Addr) && \"Resetting with the new address.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3029, __PRETTY_FUNCTION__)); | |||
3030 | if (Entry.getAddress() && hasDeviceGlobalVarEntryInfo(VarName)) { | |||
3031 | if (Entry.getVarSize().isZero()) { | |||
3032 | Entry.setVarSize(VarSize); | |||
3033 | Entry.setLinkage(Linkage); | |||
3034 | } | |||
3035 | return; | |||
3036 | } | |||
3037 | Entry.setVarSize(VarSize); | |||
3038 | Entry.setLinkage(Linkage); | |||
3039 | Entry.setAddress(Addr); | |||
3040 | } else { | |||
3041 | if (hasDeviceGlobalVarEntryInfo(VarName)) { | |||
3042 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | |||
3043 | assert(Entry.isValid() && Entry.getFlags() == Flags &&((Entry.isValid() && Entry.getFlags() == Flags && "Entry not initialized!") ? static_cast<void> (0) : __assert_fail ("Entry.isValid() && Entry.getFlags() == Flags && \"Entry not initialized!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3044, __PRETTY_FUNCTION__)) | |||
3044 | "Entry not initialized!")((Entry.isValid() && Entry.getFlags() == Flags && "Entry not initialized!") ? static_cast<void> (0) : __assert_fail ("Entry.isValid() && Entry.getFlags() == Flags && \"Entry not initialized!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3044, __PRETTY_FUNCTION__)); | |||
3045 | assert((!Entry.getAddress() || Entry.getAddress() == Addr) &&(((!Entry.getAddress() || Entry.getAddress() == Addr) && "Resetting with the new address.") ? static_cast<void> (0) : __assert_fail ("(!Entry.getAddress() || Entry.getAddress() == Addr) && \"Resetting with the new address.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3046, __PRETTY_FUNCTION__)) | |||
3046 | "Resetting with the new address.")(((!Entry.getAddress() || Entry.getAddress() == Addr) && "Resetting with the new address.") ? static_cast<void> (0) : __assert_fail ("(!Entry.getAddress() || Entry.getAddress() == Addr) && \"Resetting with the new address.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3046, __PRETTY_FUNCTION__)); | |||
3047 | if (Entry.getVarSize().isZero()) { | |||
3048 | Entry.setVarSize(VarSize); | |||
3049 | Entry.setLinkage(Linkage); | |||
3050 | } | |||
3051 | return; | |||
3052 | } | |||
3053 | OffloadEntriesDeviceGlobalVar.try_emplace( | |||
3054 | VarName, OffloadingEntriesNum, Addr, VarSize, Flags, Linkage); | |||
3055 | ++OffloadingEntriesNum; | |||
3056 | } | |||
3057 | } | |||
3058 | ||||
3059 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
3060 | actOnDeviceGlobalVarEntriesInfo( | |||
3061 | const OffloadDeviceGlobalVarEntryInfoActTy &Action) { | |||
3062 | // Scan all target region entries and perform the provided action. | |||
3063 | for (const auto &E : OffloadEntriesDeviceGlobalVar) | |||
3064 | Action(E.getKey(), E.getValue()); | |||
3065 | } | |||
3066 | ||||
3067 | void CGOpenMPRuntime::createOffloadEntry( | |||
3068 | llvm::Constant *ID, llvm::Constant *Addr, uint64_t Size, int32_t Flags, | |||
3069 | llvm::GlobalValue::LinkageTypes Linkage) { | |||
3070 | StringRef Name = Addr->getName(); | |||
3071 | llvm::Module &M = CGM.getModule(); | |||
3072 | llvm::LLVMContext &C = M.getContext(); | |||
3073 | ||||
3074 | // Create constant string with the name. | |||
3075 | llvm::Constant *StrPtrInit = llvm::ConstantDataArray::getString(C, Name); | |||
3076 | ||||
3077 | std::string StringName = getName({"omp_offloading", "entry_name"}); | |||
3078 | auto *Str = new llvm::GlobalVariable( | |||
3079 | M, StrPtrInit->getType(), /*isConstant=*/true, | |||
3080 | llvm::GlobalValue::InternalLinkage, StrPtrInit, StringName); | |||
3081 | Str->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
3082 | ||||
3083 | llvm::Constant *Data[] = { | |||
3084 | llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(ID, CGM.VoidPtrTy), | |||
3085 | llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(Str, CGM.Int8PtrTy), | |||
3086 | llvm::ConstantInt::get(CGM.SizeTy, Size), | |||
3087 | llvm::ConstantInt::get(CGM.Int32Ty, Flags), | |||
3088 | llvm::ConstantInt::get(CGM.Int32Ty, 0)}; | |||
3089 | std::string EntryName = getName({"omp_offloading", "entry", ""}); | |||
3090 | llvm::GlobalVariable *Entry = createGlobalStruct( | |||
3091 | CGM, getTgtOffloadEntryQTy(), /*IsConstant=*/true, Data, | |||
3092 | Twine(EntryName).concat(Name), llvm::GlobalValue::WeakAnyLinkage); | |||
3093 | ||||
3094 | // The entry has to be created in the section the linker expects it to be. | |||
3095 | Entry->setSection("omp_offloading_entries"); | |||
3096 | } | |||
3097 | ||||
3098 | void CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() { | |||
3099 | // Emit the offloading entries and metadata so that the device codegen side | |||
3100 | // can easily figure out what to emit. The produced metadata looks like | |||
3101 | // this: | |||
3102 | // | |||
3103 | // !omp_offload.info = !{!1, ...} | |||
3104 | // | |||
3105 | // Right now we only generate metadata for function that contain target | |||
3106 | // regions. | |||
3107 | ||||
3108 | // If we are in simd mode or there are no entries, we don't need to do | |||
3109 | // anything. | |||
3110 | if (CGM.getLangOpts().OpenMPSimd || OffloadEntriesInfoManager.empty()) | |||
3111 | return; | |||
3112 | ||||
3113 | llvm::Module &M = CGM.getModule(); | |||
3114 | llvm::LLVMContext &C = M.getContext(); | |||
3115 | SmallVector<std::tuple<const OffloadEntriesInfoManagerTy::OffloadEntryInfo *, | |||
3116 | SourceLocation, StringRef>, | |||
3117 | 16> | |||
3118 | OrderedEntries(OffloadEntriesInfoManager.size()); | |||
3119 | llvm::SmallVector<StringRef, 16> ParentFunctions( | |||
3120 | OffloadEntriesInfoManager.size()); | |||
3121 | ||||
3122 | // Auxiliary methods to create metadata values and strings. | |||
3123 | auto &&GetMDInt = [this](unsigned V) { | |||
3124 | return llvm::ConstantAsMetadata::get( | |||
3125 | llvm::ConstantInt::get(CGM.Int32Ty, V)); | |||
3126 | }; | |||
3127 | ||||
3128 | auto &&GetMDString = [&C](StringRef V) { return llvm::MDString::get(C, V); }; | |||
3129 | ||||
3130 | // Create the offloading info metadata node. | |||
3131 | llvm::NamedMDNode *MD = M.getOrInsertNamedMetadata("omp_offload.info"); | |||
3132 | ||||
3133 | // Create function that emits metadata for each target region entry; | |||
3134 | auto &&TargetRegionMetadataEmitter = | |||
3135 | [this, &C, MD, &OrderedEntries, &ParentFunctions, &GetMDInt, | |||
3136 | &GetMDString]( | |||
3137 | unsigned DeviceID, unsigned FileID, StringRef ParentName, | |||
3138 | unsigned Line, | |||
3139 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion &E) { | |||
3140 | // Generate metadata for target regions. Each entry of this metadata | |||
3141 | // contains: | |||
3142 | // - Entry 0 -> Kind of this type of metadata (0). | |||
3143 | // - Entry 1 -> Device ID of the file where the entry was identified. | |||
3144 | // - Entry 2 -> File ID of the file where the entry was identified. | |||
3145 | // - Entry 3 -> Mangled name of the function where the entry was | |||
3146 | // identified. | |||
3147 | // - Entry 4 -> Line in the file where the entry was identified. | |||
3148 | // - Entry 5 -> Order the entry was created. | |||
3149 | // The first element of the metadata node is the kind. | |||
3150 | llvm::Metadata *Ops[] = {GetMDInt(E.getKind()), GetMDInt(DeviceID), | |||
3151 | GetMDInt(FileID), GetMDString(ParentName), | |||
3152 | GetMDInt(Line), GetMDInt(E.getOrder())}; | |||
3153 | ||||
3154 | SourceLocation Loc; | |||
3155 | for (auto I = CGM.getContext().getSourceManager().fileinfo_begin(), | |||
3156 | E = CGM.getContext().getSourceManager().fileinfo_end(); | |||
3157 | I != E; ++I) { | |||
3158 | if (I->getFirst()->getUniqueID().getDevice() == DeviceID && | |||
3159 | I->getFirst()->getUniqueID().getFile() == FileID) { | |||
3160 | Loc = CGM.getContext().getSourceManager().translateFileLineCol( | |||
3161 | I->getFirst(), Line, 1); | |||
3162 | break; | |||
3163 | } | |||
3164 | } | |||
3165 | // Save this entry in the right position of the ordered entries array. | |||
3166 | OrderedEntries[E.getOrder()] = std::make_tuple(&E, Loc, ParentName); | |||
3167 | ParentFunctions[E.getOrder()] = ParentName; | |||
3168 | ||||
3169 | // Add metadata to the named metadata node. | |||
3170 | MD->addOperand(llvm::MDNode::get(C, Ops)); | |||
3171 | }; | |||
3172 | ||||
3173 | OffloadEntriesInfoManager.actOnTargetRegionEntriesInfo( | |||
3174 | TargetRegionMetadataEmitter); | |||
3175 | ||||
3176 | // Create function that emits metadata for each device global variable entry; | |||
3177 | auto &&DeviceGlobalVarMetadataEmitter = | |||
3178 | [&C, &OrderedEntries, &GetMDInt, &GetMDString, | |||
3179 | MD](StringRef MangledName, | |||
3180 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoDeviceGlobalVar | |||
3181 | &E) { | |||
3182 | // Generate metadata for global variables. Each entry of this metadata | |||
3183 | // contains: | |||
3184 | // - Entry 0 -> Kind of this type of metadata (1). | |||
3185 | // - Entry 1 -> Mangled name of the variable. | |||
3186 | // - Entry 2 -> Declare target kind. | |||
3187 | // - Entry 3 -> Order the entry was created. | |||
3188 | // The first element of the metadata node is the kind. | |||
3189 | llvm::Metadata *Ops[] = { | |||
3190 | GetMDInt(E.getKind()), GetMDString(MangledName), | |||
3191 | GetMDInt(E.getFlags()), GetMDInt(E.getOrder())}; | |||
3192 | ||||
3193 | // Save this entry in the right position of the ordered entries array. | |||
3194 | OrderedEntries[E.getOrder()] = | |||
3195 | std::make_tuple(&E, SourceLocation(), MangledName); | |||
3196 | ||||
3197 | // Add metadata to the named metadata node. | |||
3198 | MD->addOperand(llvm::MDNode::get(C, Ops)); | |||
3199 | }; | |||
3200 | ||||
3201 | OffloadEntriesInfoManager.actOnDeviceGlobalVarEntriesInfo( | |||
3202 | DeviceGlobalVarMetadataEmitter); | |||
3203 | ||||
3204 | for (const auto &E : OrderedEntries) { | |||
3205 | assert(std::get<0>(E) && "All ordered entries must exist!")((std::get<0>(E) && "All ordered entries must exist!" ) ? static_cast<void> (0) : __assert_fail ("std::get<0>(E) && \"All ordered entries must exist!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3205, __PRETTY_FUNCTION__)); | |||
3206 | if (const auto *CE = | |||
3207 | dyn_cast<OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion>( | |||
3208 | std::get<0>(E))) { | |||
3209 | if (!CE->getID() || !CE->getAddress()) { | |||
3210 | // Do not blame the entry if the parent funtion is not emitted. | |||
3211 | StringRef FnName = ParentFunctions[CE->getOrder()]; | |||
3212 | if (!CGM.GetGlobalValue(FnName)) | |||
3213 | continue; | |||
3214 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
3215 | DiagnosticsEngine::Error, | |||
3216 | "Offloading entry for target region in %0 is incorrect: either the " | |||
3217 | "address or the ID is invalid."); | |||
3218 | CGM.getDiags().Report(std::get<1>(E), DiagID) << FnName; | |||
3219 | continue; | |||
3220 | } | |||
3221 | createOffloadEntry(CE->getID(), CE->getAddress(), /*Size=*/0, | |||
3222 | CE->getFlags(), llvm::GlobalValue::WeakAnyLinkage); | |||
3223 | } else if (const auto *CE = dyn_cast<OffloadEntriesInfoManagerTy:: | |||
3224 | OffloadEntryInfoDeviceGlobalVar>( | |||
3225 | std::get<0>(E))) { | |||
3226 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags = | |||
3227 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | |||
3228 | CE->getFlags()); | |||
3229 | switch (Flags) { | |||
3230 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo: { | |||
3231 | if (CGM.getLangOpts().OpenMPIsDevice && | |||
3232 | CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory()) | |||
3233 | continue; | |||
3234 | if (!CE->getAddress()) { | |||
3235 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
3236 | DiagnosticsEngine::Error, "Offloading entry for declare target " | |||
3237 | "variable %0 is incorrect: the " | |||
3238 | "address is invalid."); | |||
3239 | CGM.getDiags().Report(std::get<1>(E), DiagID) << std::get<2>(E); | |||
3240 | continue; | |||
3241 | } | |||
3242 | // The vaiable has no definition - no need to add the entry. | |||
3243 | if (CE->getVarSize().isZero()) | |||
3244 | continue; | |||
3245 | break; | |||
3246 | } | |||
3247 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink: | |||
3248 | assert(((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress()) ||((((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress ()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress ())) && "Declaret target link address is set.") ? static_cast <void> (0) : __assert_fail ("((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress())) && \"Declaret target link address is set.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3250, __PRETTY_FUNCTION__)) | |||
3249 | (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress())) &&((((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress ()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress ())) && "Declaret target link address is set.") ? static_cast <void> (0) : __assert_fail ("((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress())) && \"Declaret target link address is set.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3250, __PRETTY_FUNCTION__)) | |||
3250 | "Declaret target link address is set.")((((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress ()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress ())) && "Declaret target link address is set.") ? static_cast <void> (0) : __assert_fail ("((CGM.getLangOpts().OpenMPIsDevice && !CE->getAddress()) || (!CGM.getLangOpts().OpenMPIsDevice && CE->getAddress())) && \"Declaret target link address is set.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3250, __PRETTY_FUNCTION__)); | |||
3251 | if (CGM.getLangOpts().OpenMPIsDevice) | |||
3252 | continue; | |||
3253 | if (!CE->getAddress()) { | |||
3254 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
3255 | DiagnosticsEngine::Error, | |||
3256 | "Offloading entry for declare target variable is incorrect: the " | |||
3257 | "address is invalid."); | |||
3258 | CGM.getDiags().Report(DiagID); | |||
3259 | continue; | |||
3260 | } | |||
3261 | break; | |||
3262 | } | |||
3263 | createOffloadEntry(CE->getAddress(), CE->getAddress(), | |||
3264 | CE->getVarSize().getQuantity(), Flags, | |||
3265 | CE->getLinkage()); | |||
3266 | } else { | |||
3267 | llvm_unreachable("Unsupported entry kind.")::llvm::llvm_unreachable_internal("Unsupported entry kind.", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3267); | |||
3268 | } | |||
3269 | } | |||
3270 | } | |||
3271 | ||||
3272 | /// Loads all the offload entries information from the host IR | |||
3273 | /// metadata. | |||
3274 | void CGOpenMPRuntime::loadOffloadInfoMetadata() { | |||
3275 | // If we are in target mode, load the metadata from the host IR. This code has | |||
3276 | // to match the metadaata creation in createOffloadEntriesAndInfoMetadata(). | |||
3277 | ||||
3278 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
3279 | return; | |||
3280 | ||||
3281 | if (CGM.getLangOpts().OMPHostIRFile.empty()) | |||
3282 | return; | |||
3283 | ||||
3284 | auto Buf = llvm::MemoryBuffer::getFile(CGM.getLangOpts().OMPHostIRFile); | |||
3285 | if (auto EC = Buf.getError()) { | |||
3286 | CGM.getDiags().Report(diag::err_cannot_open_file) | |||
3287 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | |||
3288 | return; | |||
3289 | } | |||
3290 | ||||
3291 | llvm::LLVMContext C; | |||
3292 | auto ME = expectedToErrorOrAndEmitErrors( | |||
3293 | C, llvm::parseBitcodeFile(Buf.get()->getMemBufferRef(), C)); | |||
3294 | ||||
3295 | if (auto EC = ME.getError()) { | |||
3296 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
3297 | DiagnosticsEngine::Error, "Unable to parse host IR file '%0':'%1'"); | |||
3298 | CGM.getDiags().Report(DiagID) | |||
3299 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | |||
3300 | return; | |||
3301 | } | |||
3302 | ||||
3303 | llvm::NamedMDNode *MD = ME.get()->getNamedMetadata("omp_offload.info"); | |||
3304 | if (!MD) | |||
3305 | return; | |||
3306 | ||||
3307 | for (llvm::MDNode *MN : MD->operands()) { | |||
3308 | auto &&GetMDInt = [MN](unsigned Idx) { | |||
3309 | auto *V = cast<llvm::ConstantAsMetadata>(MN->getOperand(Idx)); | |||
3310 | return cast<llvm::ConstantInt>(V->getValue())->getZExtValue(); | |||
3311 | }; | |||
3312 | ||||
3313 | auto &&GetMDString = [MN](unsigned Idx) { | |||
3314 | auto *V = cast<llvm::MDString>(MN->getOperand(Idx)); | |||
3315 | return V->getString(); | |||
3316 | }; | |||
3317 | ||||
3318 | switch (GetMDInt(0)) { | |||
3319 | default: | |||
3320 | llvm_unreachable("Unexpected metadata!")::llvm::llvm_unreachable_internal("Unexpected metadata!", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3320); | |||
3321 | break; | |||
3322 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | |||
3323 | OffloadingEntryInfoTargetRegion: | |||
3324 | OffloadEntriesInfoManager.initializeTargetRegionEntryInfo( | |||
3325 | /*DeviceID=*/GetMDInt(1), /*FileID=*/GetMDInt(2), | |||
3326 | /*ParentName=*/GetMDString(3), /*Line=*/GetMDInt(4), | |||
3327 | /*Order=*/GetMDInt(5)); | |||
3328 | break; | |||
3329 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | |||
3330 | OffloadingEntryInfoDeviceGlobalVar: | |||
3331 | OffloadEntriesInfoManager.initializeDeviceGlobalVarEntryInfo( | |||
3332 | /*MangledName=*/GetMDString(1), | |||
3333 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | |||
3334 | /*Flags=*/GetMDInt(2)), | |||
3335 | /*Order=*/GetMDInt(3)); | |||
3336 | break; | |||
3337 | } | |||
3338 | } | |||
3339 | } | |||
3340 | ||||
3341 | void CGOpenMPRuntime::emitKmpRoutineEntryT(QualType KmpInt32Ty) { | |||
3342 | if (!KmpRoutineEntryPtrTy) { | |||
3343 | // Build typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); type. | |||
3344 | ASTContext &C = CGM.getContext(); | |||
3345 | QualType KmpRoutineEntryTyArgs[] = {KmpInt32Ty, C.VoidPtrTy}; | |||
3346 | FunctionProtoType::ExtProtoInfo EPI; | |||
3347 | KmpRoutineEntryPtrQTy = C.getPointerType( | |||
3348 | C.getFunctionType(KmpInt32Ty, KmpRoutineEntryTyArgs, EPI)); | |||
3349 | KmpRoutineEntryPtrTy = CGM.getTypes().ConvertType(KmpRoutineEntryPtrQTy); | |||
3350 | } | |||
3351 | } | |||
3352 | ||||
3353 | QualType CGOpenMPRuntime::getTgtOffloadEntryQTy() { | |||
3354 | // Make sure the type of the entry is already created. This is the type we | |||
3355 | // have to create: | |||
3356 | // struct __tgt_offload_entry{ | |||
3357 | // void *addr; // Pointer to the offload entry info. | |||
3358 | // // (function or global) | |||
3359 | // char *name; // Name of the function or global. | |||
3360 | // size_t size; // Size of the entry info (0 if it a function). | |||
3361 | // int32_t flags; // Flags associated with the entry, e.g. 'link'. | |||
3362 | // int32_t reserved; // Reserved, to use by the runtime library. | |||
3363 | // }; | |||
3364 | if (TgtOffloadEntryQTy.isNull()) { | |||
3365 | ASTContext &C = CGM.getContext(); | |||
3366 | RecordDecl *RD = C.buildImplicitRecord("__tgt_offload_entry"); | |||
3367 | RD->startDefinition(); | |||
3368 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
3369 | addFieldToRecordDecl(C, RD, C.getPointerType(C.CharTy)); | |||
3370 | addFieldToRecordDecl(C, RD, C.getSizeType()); | |||
3371 | addFieldToRecordDecl( | |||
3372 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | |||
3373 | addFieldToRecordDecl( | |||
3374 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | |||
3375 | RD->completeDefinition(); | |||
3376 | RD->addAttr(PackedAttr::CreateImplicit(C)); | |||
3377 | TgtOffloadEntryQTy = C.getRecordType(RD); | |||
3378 | } | |||
3379 | return TgtOffloadEntryQTy; | |||
3380 | } | |||
3381 | ||||
3382 | namespace { | |||
3383 | struct PrivateHelpersTy { | |||
3384 | PrivateHelpersTy(const Expr *OriginalRef, const VarDecl *Original, | |||
3385 | const VarDecl *PrivateCopy, const VarDecl *PrivateElemInit) | |||
3386 | : OriginalRef(OriginalRef), Original(Original), PrivateCopy(PrivateCopy), | |||
3387 | PrivateElemInit(PrivateElemInit) {} | |||
3388 | PrivateHelpersTy(const VarDecl *Original) : Original(Original) {} | |||
3389 | const Expr *OriginalRef = nullptr; | |||
3390 | const VarDecl *Original = nullptr; | |||
3391 | const VarDecl *PrivateCopy = nullptr; | |||
3392 | const VarDecl *PrivateElemInit = nullptr; | |||
3393 | bool isLocalPrivate() const { | |||
3394 | return !OriginalRef && !PrivateCopy && !PrivateElemInit; | |||
3395 | } | |||
3396 | }; | |||
3397 | typedef std::pair<CharUnits /*Align*/, PrivateHelpersTy> PrivateDataTy; | |||
3398 | } // anonymous namespace | |||
3399 | ||||
3400 | static bool isAllocatableDecl(const VarDecl *VD) { | |||
3401 | const VarDecl *CVD = VD->getCanonicalDecl(); | |||
3402 | if (!CVD->hasAttr<OMPAllocateDeclAttr>()) | |||
3403 | return false; | |||
3404 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | |||
3405 | // Use the default allocation. | |||
3406 | return !((AA->getAllocatorType() == OMPAllocateDeclAttr::OMPDefaultMemAlloc || | |||
3407 | AA->getAllocatorType() == OMPAllocateDeclAttr::OMPNullMemAlloc) && | |||
3408 | !AA->getAllocator()); | |||
3409 | } | |||
3410 | ||||
3411 | static RecordDecl * | |||
3412 | createPrivatesRecordDecl(CodeGenModule &CGM, ArrayRef<PrivateDataTy> Privates) { | |||
3413 | if (!Privates.empty()) { | |||
3414 | ASTContext &C = CGM.getContext(); | |||
3415 | // Build struct .kmp_privates_t. { | |||
3416 | // /* private vars */ | |||
3417 | // }; | |||
3418 | RecordDecl *RD = C.buildImplicitRecord(".kmp_privates.t"); | |||
3419 | RD->startDefinition(); | |||
3420 | for (const auto &Pair : Privates) { | |||
3421 | const VarDecl *VD = Pair.second.Original; | |||
3422 | QualType Type = VD->getType().getNonReferenceType(); | |||
3423 | // If the private variable is a local variable with lvalue ref type, | |||
3424 | // allocate the pointer instead of the pointee type. | |||
3425 | if (Pair.second.isLocalPrivate()) { | |||
3426 | if (VD->getType()->isLValueReferenceType()) | |||
3427 | Type = C.getPointerType(Type); | |||
3428 | if (isAllocatableDecl(VD)) | |||
3429 | Type = C.getPointerType(Type); | |||
3430 | } | |||
3431 | FieldDecl *FD = addFieldToRecordDecl(C, RD, Type); | |||
3432 | if (VD->hasAttrs()) { | |||
3433 | for (specific_attr_iterator<AlignedAttr> I(VD->getAttrs().begin()), | |||
3434 | E(VD->getAttrs().end()); | |||
3435 | I != E; ++I) | |||
3436 | FD->addAttr(*I); | |||
3437 | } | |||
3438 | } | |||
3439 | RD->completeDefinition(); | |||
3440 | return RD; | |||
3441 | } | |||
3442 | return nullptr; | |||
3443 | } | |||
3444 | ||||
3445 | static RecordDecl * | |||
3446 | createKmpTaskTRecordDecl(CodeGenModule &CGM, OpenMPDirectiveKind Kind, | |||
3447 | QualType KmpInt32Ty, | |||
3448 | QualType KmpRoutineEntryPointerQTy) { | |||
3449 | ASTContext &C = CGM.getContext(); | |||
3450 | // Build struct kmp_task_t { | |||
3451 | // void * shareds; | |||
3452 | // kmp_routine_entry_t routine; | |||
3453 | // kmp_int32 part_id; | |||
3454 | // kmp_cmplrdata_t data1; | |||
3455 | // kmp_cmplrdata_t data2; | |||
3456 | // For taskloops additional fields: | |||
3457 | // kmp_uint64 lb; | |||
3458 | // kmp_uint64 ub; | |||
3459 | // kmp_int64 st; | |||
3460 | // kmp_int32 liter; | |||
3461 | // void * reductions; | |||
3462 | // }; | |||
3463 | RecordDecl *UD = C.buildImplicitRecord("kmp_cmplrdata_t", TTK_Union); | |||
3464 | UD->startDefinition(); | |||
3465 | addFieldToRecordDecl(C, UD, KmpInt32Ty); | |||
3466 | addFieldToRecordDecl(C, UD, KmpRoutineEntryPointerQTy); | |||
3467 | UD->completeDefinition(); | |||
3468 | QualType KmpCmplrdataTy = C.getRecordType(UD); | |||
3469 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t"); | |||
3470 | RD->startDefinition(); | |||
3471 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
3472 | addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy); | |||
3473 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
3474 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | |||
3475 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | |||
3476 | if (isOpenMPTaskLoopDirective(Kind)) { | |||
3477 | QualType KmpUInt64Ty = | |||
3478 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
3479 | QualType KmpInt64Ty = | |||
3480 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
3481 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | |||
3482 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | |||
3483 | addFieldToRecordDecl(C, RD, KmpInt64Ty); | |||
3484 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
3485 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
3486 | } | |||
3487 | RD->completeDefinition(); | |||
3488 | return RD; | |||
3489 | } | |||
3490 | ||||
3491 | static RecordDecl * | |||
3492 | createKmpTaskTWithPrivatesRecordDecl(CodeGenModule &CGM, QualType KmpTaskTQTy, | |||
3493 | ArrayRef<PrivateDataTy> Privates) { | |||
3494 | ASTContext &C = CGM.getContext(); | |||
3495 | // Build struct kmp_task_t_with_privates { | |||
3496 | // kmp_task_t task_data; | |||
3497 | // .kmp_privates_t. privates; | |||
3498 | // }; | |||
3499 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t_with_privates"); | |||
3500 | RD->startDefinition(); | |||
3501 | addFieldToRecordDecl(C, RD, KmpTaskTQTy); | |||
3502 | if (const RecordDecl *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) | |||
3503 | addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD)); | |||
3504 | RD->completeDefinition(); | |||
3505 | return RD; | |||
3506 | } | |||
3507 | ||||
3508 | /// Emit a proxy function which accepts kmp_task_t as the second | |||
3509 | /// argument. | |||
3510 | /// \code | |||
3511 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { | |||
3512 | /// TaskFunction(gtid, tt->part_id, &tt->privates, task_privates_map, tt, | |||
3513 | /// For taskloops: | |||
3514 | /// tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | |||
3515 | /// tt->reductions, tt->shareds); | |||
3516 | /// return 0; | |||
3517 | /// } | |||
3518 | /// \endcode | |||
3519 | static llvm::Function * | |||
3520 | emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
3521 | OpenMPDirectiveKind Kind, QualType KmpInt32Ty, | |||
3522 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
3523 | QualType KmpTaskTWithPrivatesQTy, QualType KmpTaskTQTy, | |||
3524 | QualType SharedsPtrTy, llvm::Function *TaskFunction, | |||
3525 | llvm::Value *TaskPrivatesMap) { | |||
3526 | ASTContext &C = CGM.getContext(); | |||
3527 | FunctionArgList Args; | |||
3528 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | |||
3529 | ImplicitParamDecl::Other); | |||
3530 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3531 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | |||
3532 | ImplicitParamDecl::Other); | |||
3533 | Args.push_back(&GtidArg); | |||
3534 | Args.push_back(&TaskTypeArg); | |||
3535 | const auto &TaskEntryFnInfo = | |||
3536 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | |||
3537 | llvm::FunctionType *TaskEntryTy = | |||
3538 | CGM.getTypes().GetFunctionType(TaskEntryFnInfo); | |||
3539 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_entry", ""}); | |||
3540 | auto *TaskEntry = llvm::Function::Create( | |||
3541 | TaskEntryTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | |||
3542 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskEntry, TaskEntryFnInfo); | |||
3543 | TaskEntry->setDoesNotRecurse(); | |||
3544 | CodeGenFunction CGF(CGM); | |||
3545 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, TaskEntry, TaskEntryFnInfo, Args, | |||
3546 | Loc, Loc); | |||
3547 | ||||
3548 | // TaskFunction(gtid, tt->task_data.part_id, &tt->privates, task_privates_map, | |||
3549 | // tt, | |||
3550 | // For taskloops: | |||
3551 | // tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | |||
3552 | // tt->task_data.shareds); | |||
3553 | llvm::Value *GtidParam = CGF.EmitLoadOfScalar( | |||
3554 | CGF.GetAddrOfLocalVar(&GtidArg), /*Volatile=*/false, KmpInt32Ty, Loc); | |||
3555 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
3556 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | |||
3557 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
3558 | const auto *KmpTaskTWithPrivatesQTyRD = | |||
3559 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | |||
3560 | LValue Base = | |||
3561 | CGF.EmitLValueForField(TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
3562 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | |||
3563 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | |||
3564 | LValue PartIdLVal = CGF.EmitLValueForField(Base, *PartIdFI); | |||
3565 | llvm::Value *PartidParam = PartIdLVal.getPointer(CGF); | |||
3566 | ||||
3567 | auto SharedsFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds); | |||
3568 | LValue SharedsLVal = CGF.EmitLValueForField(Base, *SharedsFI); | |||
3569 | llvm::Value *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3570 | CGF.EmitLoadOfScalar(SharedsLVal, Loc), | |||
3571 | CGF.ConvertTypeForMem(SharedsPtrTy)); | |||
3572 | ||||
3573 | auto PrivatesFI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | |||
3574 | llvm::Value *PrivatesParam; | |||
3575 | if (PrivatesFI != KmpTaskTWithPrivatesQTyRD->field_end()) { | |||
3576 | LValue PrivatesLVal = CGF.EmitLValueForField(TDBase, *PrivatesFI); | |||
3577 | PrivatesParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3578 | PrivatesLVal.getPointer(CGF), CGF.VoidPtrTy); | |||
3579 | } else { | |||
3580 | PrivatesParam = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
3581 | } | |||
3582 | ||||
3583 | llvm::Value *CommonArgs[] = {GtidParam, PartidParam, PrivatesParam, | |||
3584 | TaskPrivatesMap, | |||
3585 | CGF.Builder | |||
3586 | .CreatePointerBitCastOrAddrSpaceCast( | |||
3587 | TDBase.getAddress(CGF), CGF.VoidPtrTy) | |||
3588 | .getPointer()}; | |||
3589 | SmallVector<llvm::Value *, 16> CallArgs(std::begin(CommonArgs), | |||
3590 | std::end(CommonArgs)); | |||
3591 | if (isOpenMPTaskLoopDirective(Kind)) { | |||
3592 | auto LBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound); | |||
3593 | LValue LBLVal = CGF.EmitLValueForField(Base, *LBFI); | |||
3594 | llvm::Value *LBParam = CGF.EmitLoadOfScalar(LBLVal, Loc); | |||
3595 | auto UBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound); | |||
3596 | LValue UBLVal = CGF.EmitLValueForField(Base, *UBFI); | |||
3597 | llvm::Value *UBParam = CGF.EmitLoadOfScalar(UBLVal, Loc); | |||
3598 | auto StFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTStride); | |||
3599 | LValue StLVal = CGF.EmitLValueForField(Base, *StFI); | |||
3600 | llvm::Value *StParam = CGF.EmitLoadOfScalar(StLVal, Loc); | |||
3601 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | |||
3602 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | |||
3603 | llvm::Value *LIParam = CGF.EmitLoadOfScalar(LILVal, Loc); | |||
3604 | auto RFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTReductions); | |||
3605 | LValue RLVal = CGF.EmitLValueForField(Base, *RFI); | |||
3606 | llvm::Value *RParam = CGF.EmitLoadOfScalar(RLVal, Loc); | |||
3607 | CallArgs.push_back(LBParam); | |||
3608 | CallArgs.push_back(UBParam); | |||
3609 | CallArgs.push_back(StParam); | |||
3610 | CallArgs.push_back(LIParam); | |||
3611 | CallArgs.push_back(RParam); | |||
3612 | } | |||
3613 | CallArgs.push_back(SharedsParam); | |||
3614 | ||||
3615 | CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskFunction, | |||
3616 | CallArgs); | |||
3617 | CGF.EmitStoreThroughLValue(RValue::get(CGF.Builder.getInt32(/*C=*/0)), | |||
3618 | CGF.MakeAddrLValue(CGF.ReturnValue, KmpInt32Ty)); | |||
3619 | CGF.FinishFunction(); | |||
3620 | return TaskEntry; | |||
3621 | } | |||
3622 | ||||
3623 | static llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, | |||
3624 | SourceLocation Loc, | |||
3625 | QualType KmpInt32Ty, | |||
3626 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
3627 | QualType KmpTaskTWithPrivatesQTy) { | |||
3628 | ASTContext &C = CGM.getContext(); | |||
3629 | FunctionArgList Args; | |||
3630 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | |||
3631 | ImplicitParamDecl::Other); | |||
3632 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3633 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | |||
3634 | ImplicitParamDecl::Other); | |||
3635 | Args.push_back(&GtidArg); | |||
3636 | Args.push_back(&TaskTypeArg); | |||
3637 | const auto &DestructorFnInfo = | |||
3638 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | |||
3639 | llvm::FunctionType *DestructorFnTy = | |||
3640 | CGM.getTypes().GetFunctionType(DestructorFnInfo); | |||
3641 | std::string Name = | |||
3642 | CGM.getOpenMPRuntime().getName({"omp_task_destructor", ""}); | |||
3643 | auto *DestructorFn = | |||
3644 | llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage, | |||
3645 | Name, &CGM.getModule()); | |||
3646 | CGM.SetInternalFunctionAttributes(GlobalDecl(), DestructorFn, | |||
3647 | DestructorFnInfo); | |||
3648 | DestructorFn->setDoesNotRecurse(); | |||
3649 | CodeGenFunction CGF(CGM); | |||
3650 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo, | |||
3651 | Args, Loc, Loc); | |||
3652 | ||||
3653 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
3654 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | |||
3655 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
3656 | const auto *KmpTaskTWithPrivatesQTyRD = | |||
3657 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | |||
3658 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
3659 | Base = CGF.EmitLValueForField(Base, *FI); | |||
3660 | for (const auto *Field : | |||
3661 | cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) { | |||
3662 | if (QualType::DestructionKind DtorKind = | |||
3663 | Field->getType().isDestructedType()) { | |||
3664 | LValue FieldLValue = CGF.EmitLValueForField(Base, Field); | |||
3665 | CGF.pushDestroy(DtorKind, FieldLValue.getAddress(CGF), Field->getType()); | |||
3666 | } | |||
3667 | } | |||
3668 | CGF.FinishFunction(); | |||
3669 | return DestructorFn; | |||
3670 | } | |||
3671 | ||||
3672 | /// Emit a privates mapping function for correct handling of private and | |||
3673 | /// firstprivate variables. | |||
3674 | /// \code | |||
3675 | /// void .omp_task_privates_map.(const .privates. *noalias privs, <ty1> | |||
3676 | /// **noalias priv1,..., <tyn> **noalias privn) { | |||
3677 | /// *priv1 = &.privates.priv1; | |||
3678 | /// ...; | |||
3679 | /// *privn = &.privates.privn; | |||
3680 | /// } | |||
3681 | /// \endcode | |||
3682 | static llvm::Value * | |||
3683 | emitTaskPrivateMappingFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
3684 | const OMPTaskDataTy &Data, QualType PrivatesQTy, | |||
3685 | ArrayRef<PrivateDataTy> Privates) { | |||
3686 | ASTContext &C = CGM.getContext(); | |||
3687 | FunctionArgList Args; | |||
3688 | ImplicitParamDecl TaskPrivatesArg( | |||
3689 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3690 | C.getPointerType(PrivatesQTy).withConst().withRestrict(), | |||
3691 | ImplicitParamDecl::Other); | |||
3692 | Args.push_back(&TaskPrivatesArg); | |||
3693 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, unsigned> PrivateVarsPos; | |||
3694 | unsigned Counter = 1; | |||
3695 | for (const Expr *E : Data.PrivateVars) { | |||
3696 | Args.push_back(ImplicitParamDecl::Create( | |||
3697 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3698 | C.getPointerType(C.getPointerType(E->getType())) | |||
3699 | .withConst() | |||
3700 | .withRestrict(), | |||
3701 | ImplicitParamDecl::Other)); | |||
3702 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
3703 | PrivateVarsPos[VD] = Counter; | |||
3704 | ++Counter; | |||
3705 | } | |||
3706 | for (const Expr *E : Data.FirstprivateVars) { | |||
3707 | Args.push_back(ImplicitParamDecl::Create( | |||
3708 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3709 | C.getPointerType(C.getPointerType(E->getType())) | |||
3710 | .withConst() | |||
3711 | .withRestrict(), | |||
3712 | ImplicitParamDecl::Other)); | |||
3713 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
3714 | PrivateVarsPos[VD] = Counter; | |||
3715 | ++Counter; | |||
3716 | } | |||
3717 | for (const Expr *E : Data.LastprivateVars) { | |||
3718 | Args.push_back(ImplicitParamDecl::Create( | |||
3719 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3720 | C.getPointerType(C.getPointerType(E->getType())) | |||
3721 | .withConst() | |||
3722 | .withRestrict(), | |||
3723 | ImplicitParamDecl::Other)); | |||
3724 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
3725 | PrivateVarsPos[VD] = Counter; | |||
3726 | ++Counter; | |||
3727 | } | |||
3728 | for (const VarDecl *VD : Data.PrivateLocals) { | |||
3729 | QualType Ty = VD->getType().getNonReferenceType(); | |||
3730 | if (VD->getType()->isLValueReferenceType()) | |||
3731 | Ty = C.getPointerType(Ty); | |||
3732 | if (isAllocatableDecl(VD)) | |||
3733 | Ty = C.getPointerType(Ty); | |||
3734 | Args.push_back(ImplicitParamDecl::Create( | |||
3735 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3736 | C.getPointerType(C.getPointerType(Ty)).withConst().withRestrict(), | |||
3737 | ImplicitParamDecl::Other)); | |||
3738 | PrivateVarsPos[VD] = Counter; | |||
3739 | ++Counter; | |||
3740 | } | |||
3741 | const auto &TaskPrivatesMapFnInfo = | |||
3742 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
3743 | llvm::FunctionType *TaskPrivatesMapTy = | |||
3744 | CGM.getTypes().GetFunctionType(TaskPrivatesMapFnInfo); | |||
3745 | std::string Name = | |||
3746 | CGM.getOpenMPRuntime().getName({"omp_task_privates_map", ""}); | |||
3747 | auto *TaskPrivatesMap = llvm::Function::Create( | |||
3748 | TaskPrivatesMapTy, llvm::GlobalValue::InternalLinkage, Name, | |||
3749 | &CGM.getModule()); | |||
3750 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskPrivatesMap, | |||
3751 | TaskPrivatesMapFnInfo); | |||
3752 | if (CGM.getLangOpts().Optimize) { | |||
3753 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::NoInline); | |||
3754 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
3755 | TaskPrivatesMap->addFnAttr(llvm::Attribute::AlwaysInline); | |||
3756 | } | |||
3757 | CodeGenFunction CGF(CGM); | |||
3758 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskPrivatesMap, | |||
3759 | TaskPrivatesMapFnInfo, Args, Loc, Loc); | |||
3760 | ||||
3761 | // *privi = &.privates.privi; | |||
3762 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
3763 | CGF.GetAddrOfLocalVar(&TaskPrivatesArg), | |||
3764 | TaskPrivatesArg.getType()->castAs<PointerType>()); | |||
3765 | const auto *PrivatesQTyRD = cast<RecordDecl>(PrivatesQTy->getAsTagDecl()); | |||
3766 | Counter = 0; | |||
3767 | for (const FieldDecl *Field : PrivatesQTyRD->fields()) { | |||
3768 | LValue FieldLVal = CGF.EmitLValueForField(Base, Field); | |||
3769 | const VarDecl *VD = Args[PrivateVarsPos[Privates[Counter].second.Original]]; | |||
3770 | LValue RefLVal = | |||
3771 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(VD), VD->getType()); | |||
3772 | LValue RefLoadLVal = CGF.EmitLoadOfPointerLValue( | |||
3773 | RefLVal.getAddress(CGF), RefLVal.getType()->castAs<PointerType>()); | |||
3774 | CGF.EmitStoreOfScalar(FieldLVal.getPointer(CGF), RefLoadLVal); | |||
3775 | ++Counter; | |||
3776 | } | |||
3777 | CGF.FinishFunction(); | |||
3778 | return TaskPrivatesMap; | |||
3779 | } | |||
3780 | ||||
3781 | /// Emit initialization for private variables in task-based directives. | |||
3782 | static void emitPrivatesInit(CodeGenFunction &CGF, | |||
3783 | const OMPExecutableDirective &D, | |||
3784 | Address KmpTaskSharedsPtr, LValue TDBase, | |||
3785 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | |||
3786 | QualType SharedsTy, QualType SharedsPtrTy, | |||
3787 | const OMPTaskDataTy &Data, | |||
3788 | ArrayRef<PrivateDataTy> Privates, bool ForDup) { | |||
3789 | ASTContext &C = CGF.getContext(); | |||
3790 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
3791 | LValue PrivatesBase = CGF.EmitLValueForField(TDBase, *FI); | |||
3792 | OpenMPDirectiveKind Kind = isOpenMPTaskLoopDirective(D.getDirectiveKind()) | |||
3793 | ? OMPD_taskloop | |||
3794 | : OMPD_task; | |||
3795 | const CapturedStmt &CS = *D.getCapturedStmt(Kind); | |||
3796 | CodeGenFunction::CGCapturedStmtInfo CapturesInfo(CS); | |||
3797 | LValue SrcBase; | |||
3798 | bool IsTargetTask = | |||
3799 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind()) || | |||
3800 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()); | |||
3801 | // For target-based directives skip 4 firstprivate arrays BasePointersArray, | |||
3802 | // PointersArray, SizesArray, and MappersArray. The original variables for | |||
3803 | // these arrays are not captured and we get their addresses explicitly. | |||
3804 | if ((!IsTargetTask && !Data.FirstprivateVars.empty() && ForDup) || | |||
3805 | (IsTargetTask && KmpTaskSharedsPtr.isValid())) { | |||
3806 | SrcBase = CGF.MakeAddrLValue( | |||
3807 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3808 | KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy)), | |||
3809 | SharedsTy); | |||
3810 | } | |||
3811 | FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin(); | |||
3812 | for (const PrivateDataTy &Pair : Privates) { | |||
3813 | // Do not initialize private locals. | |||
3814 | if (Pair.second.isLocalPrivate()) { | |||
3815 | ++FI; | |||
3816 | continue; | |||
3817 | } | |||
3818 | const VarDecl *VD = Pair.second.PrivateCopy; | |||
3819 | const Expr *Init = VD->getAnyInitializer(); | |||
3820 | if (Init && (!ForDup || (isa<CXXConstructExpr>(Init) && | |||
3821 | !CGF.isTrivialInitializer(Init)))) { | |||
3822 | LValue PrivateLValue = CGF.EmitLValueForField(PrivatesBase, *FI); | |||
3823 | if (const VarDecl *Elem = Pair.second.PrivateElemInit) { | |||
3824 | const VarDecl *OriginalVD = Pair.second.Original; | |||
3825 | // Check if the variable is the target-based BasePointersArray, | |||
3826 | // PointersArray, SizesArray, or MappersArray. | |||
3827 | LValue SharedRefLValue; | |||
3828 | QualType Type = PrivateLValue.getType(); | |||
3829 | const FieldDecl *SharedField = CapturesInfo.lookup(OriginalVD); | |||
3830 | if (IsTargetTask && !SharedField) { | |||
3831 | assert(isa<ImplicitParamDecl>(OriginalVD) &&((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3832 | isa<CapturedDecl>(OriginalVD->getDeclContext()) &&((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3833 | cast<CapturedDecl>(OriginalVD->getDeclContext())((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3834 | ->getNumParams() == 0 &&((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3835 | isa<TranslationUnitDecl>(((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3836 | cast<CapturedDecl>(OriginalVD->getDeclContext())((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3837 | ->getDeclContext()) &&((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)) | |||
3838 | "Expected artificial target data variable.")((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.") ? static_cast< 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.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3838, __PRETTY_FUNCTION__)); | |||
3839 | SharedRefLValue = | |||
3840 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(OriginalVD), Type); | |||
3841 | } else if (ForDup) { | |||
3842 | SharedRefLValue = CGF.EmitLValueForField(SrcBase, SharedField); | |||
3843 | SharedRefLValue = CGF.MakeAddrLValue( | |||
3844 | Address(SharedRefLValue.getPointer(CGF), | |||
3845 | C.getDeclAlign(OriginalVD)), | |||
3846 | SharedRefLValue.getType(), LValueBaseInfo(AlignmentSource::Decl), | |||
3847 | SharedRefLValue.getTBAAInfo()); | |||
3848 | } else if (CGF.LambdaCaptureFields.count( | |||
3849 | Pair.second.Original->getCanonicalDecl()) > 0 || | |||
3850 | dyn_cast_or_null<BlockDecl>(CGF.CurCodeDecl)) { | |||
3851 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | |||
3852 | } else { | |||
3853 | // Processing for implicitly captured variables. | |||
3854 | InlinedOpenMPRegionRAII Region( | |||
3855 | CGF, [](CodeGenFunction &, PrePostActionTy &) {}, OMPD_unknown, | |||
3856 | /*HasCancel=*/false); | |||
3857 | SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef); | |||
3858 | } | |||
3859 | if (Type->isArrayType()) { | |||
3860 | // Initialize firstprivate array. | |||
3861 | if (!isa<CXXConstructExpr>(Init) || CGF.isTrivialInitializer(Init)) { | |||
3862 | // Perform simple memcpy. | |||
3863 | CGF.EmitAggregateAssign(PrivateLValue, SharedRefLValue, Type); | |||
3864 | } else { | |||
3865 | // Initialize firstprivate array using element-by-element | |||
3866 | // initialization. | |||
3867 | CGF.EmitOMPAggregateAssign( | |||
3868 | PrivateLValue.getAddress(CGF), SharedRefLValue.getAddress(CGF), | |||
3869 | Type, | |||
3870 | [&CGF, Elem, Init, &CapturesInfo](Address DestElement, | |||
3871 | Address SrcElement) { | |||
3872 | // Clean up any temporaries needed by the initialization. | |||
3873 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | |||
3874 | InitScope.addPrivate( | |||
3875 | Elem, [SrcElement]() -> Address { return SrcElement; }); | |||
3876 | (void)InitScope.Privatize(); | |||
3877 | // Emit initialization for single element. | |||
3878 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII( | |||
3879 | CGF, &CapturesInfo); | |||
3880 | CGF.EmitAnyExprToMem(Init, DestElement, | |||
3881 | Init->getType().getQualifiers(), | |||
3882 | /*IsInitializer=*/false); | |||
3883 | }); | |||
3884 | } | |||
3885 | } else { | |||
3886 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | |||
3887 | InitScope.addPrivate(Elem, [SharedRefLValue, &CGF]() -> Address { | |||
3888 | return SharedRefLValue.getAddress(CGF); | |||
3889 | }); | |||
3890 | (void)InitScope.Privatize(); | |||
3891 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CapturesInfo); | |||
3892 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, | |||
3893 | /*capturedByInit=*/false); | |||
3894 | } | |||
3895 | } else { | |||
3896 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false); | |||
3897 | } | |||
3898 | } | |||
3899 | ++FI; | |||
3900 | } | |||
3901 | } | |||
3902 | ||||
3903 | /// Check if duplication function is required for taskloops. | |||
3904 | static bool checkInitIsRequired(CodeGenFunction &CGF, | |||
3905 | ArrayRef<PrivateDataTy> Privates) { | |||
3906 | bool InitRequired = false; | |||
3907 | for (const PrivateDataTy &Pair : Privates) { | |||
3908 | if (Pair.second.isLocalPrivate()) | |||
3909 | continue; | |||
3910 | const VarDecl *VD = Pair.second.PrivateCopy; | |||
3911 | const Expr *Init = VD->getAnyInitializer(); | |||
3912 | InitRequired = InitRequired || (Init && isa<CXXConstructExpr>(Init) && | |||
3913 | !CGF.isTrivialInitializer(Init)); | |||
3914 | if (InitRequired) | |||
3915 | break; | |||
3916 | } | |||
3917 | return InitRequired; | |||
3918 | } | |||
3919 | ||||
3920 | ||||
3921 | /// Emit task_dup function (for initialization of | |||
3922 | /// private/firstprivate/lastprivate vars and last_iter flag) | |||
3923 | /// \code | |||
3924 | /// void __task_dup_entry(kmp_task_t *task_dst, const kmp_task_t *task_src, int | |||
3925 | /// lastpriv) { | |||
3926 | /// // setup lastprivate flag | |||
3927 | /// task_dst->last = lastpriv; | |||
3928 | /// // could be constructor calls here... | |||
3929 | /// } | |||
3930 | /// \endcode | |||
3931 | static llvm::Value * | |||
3932 | emitTaskDupFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
3933 | const OMPExecutableDirective &D, | |||
3934 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
3935 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | |||
3936 | const RecordDecl *KmpTaskTQTyRD, QualType SharedsTy, | |||
3937 | QualType SharedsPtrTy, const OMPTaskDataTy &Data, | |||
3938 | ArrayRef<PrivateDataTy> Privates, bool WithLastIter) { | |||
3939 | ASTContext &C = CGM.getContext(); | |||
3940 | FunctionArgList Args; | |||
3941 | ImplicitParamDecl DstArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3942 | KmpTaskTWithPrivatesPtrQTy, | |||
3943 | ImplicitParamDecl::Other); | |||
3944 | ImplicitParamDecl SrcArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
3945 | KmpTaskTWithPrivatesPtrQTy, | |||
3946 | ImplicitParamDecl::Other); | |||
3947 | ImplicitParamDecl LastprivArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.IntTy, | |||
3948 | ImplicitParamDecl::Other); | |||
3949 | Args.push_back(&DstArg); | |||
3950 | Args.push_back(&SrcArg); | |||
3951 | Args.push_back(&LastprivArg); | |||
3952 | const auto &TaskDupFnInfo = | |||
3953 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
3954 | llvm::FunctionType *TaskDupTy = CGM.getTypes().GetFunctionType(TaskDupFnInfo); | |||
3955 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_dup", ""}); | |||
3956 | auto *TaskDup = llvm::Function::Create( | |||
3957 | TaskDupTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | |||
3958 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskDup, TaskDupFnInfo); | |||
3959 | TaskDup->setDoesNotRecurse(); | |||
3960 | CodeGenFunction CGF(CGM); | |||
3961 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskDup, TaskDupFnInfo, Args, Loc, | |||
3962 | Loc); | |||
3963 | ||||
3964 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
3965 | CGF.GetAddrOfLocalVar(&DstArg), | |||
3966 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
3967 | // task_dst->liter = lastpriv; | |||
3968 | if (WithLastIter) { | |||
3969 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | |||
3970 | LValue Base = CGF.EmitLValueForField( | |||
3971 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
3972 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | |||
3973 | llvm::Value *Lastpriv = CGF.EmitLoadOfScalar( | |||
3974 | CGF.GetAddrOfLocalVar(&LastprivArg), /*Volatile=*/false, C.IntTy, Loc); | |||
3975 | CGF.EmitStoreOfScalar(Lastpriv, LILVal); | |||
3976 | } | |||
3977 | ||||
3978 | // Emit initial values for private copies (if any). | |||
3979 | assert(!Privates.empty())((!Privates.empty()) ? static_cast<void> (0) : __assert_fail ("!Privates.empty()", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3979, __PRETTY_FUNCTION__)); | |||
3980 | Address KmpTaskSharedsPtr = Address::invalid(); | |||
3981 | if (!Data.FirstprivateVars.empty()) { | |||
3982 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
3983 | CGF.GetAddrOfLocalVar(&SrcArg), | |||
3984 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
3985 | LValue Base = CGF.EmitLValueForField( | |||
3986 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
3987 | KmpTaskSharedsPtr = Address( | |||
3988 | CGF.EmitLoadOfScalar(CGF.EmitLValueForField( | |||
3989 | Base, *std::next(KmpTaskTQTyRD->field_begin(), | |||
3990 | KmpTaskTShareds)), | |||
3991 | Loc), | |||
3992 | CGM.getNaturalTypeAlignment(SharedsTy)); | |||
3993 | } | |||
3994 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, TDBase, KmpTaskTWithPrivatesQTyRD, | |||
3995 | SharedsTy, SharedsPtrTy, Data, Privates, /*ForDup=*/true); | |||
3996 | CGF.FinishFunction(); | |||
3997 | return TaskDup; | |||
3998 | } | |||
3999 | ||||
4000 | /// Checks if destructor function is required to be generated. | |||
4001 | /// \return true if cleanups are required, false otherwise. | |||
4002 | static bool | |||
4003 | checkDestructorsRequired(const RecordDecl *KmpTaskTWithPrivatesQTyRD, | |||
4004 | ArrayRef<PrivateDataTy> Privates) { | |||
4005 | for (const PrivateDataTy &P : Privates) { | |||
4006 | if (P.second.isLocalPrivate()) | |||
4007 | continue; | |||
4008 | QualType Ty = P.second.Original->getType().getNonReferenceType(); | |||
4009 | if (Ty.isDestructedType()) | |||
4010 | return true; | |||
4011 | } | |||
4012 | return false; | |||
4013 | } | |||
4014 | ||||
4015 | namespace { | |||
4016 | /// Loop generator for OpenMP iterator expression. | |||
4017 | class OMPIteratorGeneratorScope final | |||
4018 | : public CodeGenFunction::OMPPrivateScope { | |||
4019 | CodeGenFunction &CGF; | |||
4020 | const OMPIteratorExpr *E = nullptr; | |||
4021 | SmallVector<CodeGenFunction::JumpDest, 4> ContDests; | |||
4022 | SmallVector<CodeGenFunction::JumpDest, 4> ExitDests; | |||
4023 | OMPIteratorGeneratorScope() = delete; | |||
4024 | OMPIteratorGeneratorScope(OMPIteratorGeneratorScope &) = delete; | |||
4025 | ||||
4026 | public: | |||
4027 | OMPIteratorGeneratorScope(CodeGenFunction &CGF, const OMPIteratorExpr *E) | |||
4028 | : CodeGenFunction::OMPPrivateScope(CGF), CGF(CGF), E(E) { | |||
4029 | if (!E) | |||
4030 | return; | |||
4031 | SmallVector<llvm::Value *, 4> Uppers; | |||
4032 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | |||
4033 | Uppers.push_back(CGF.EmitScalarExpr(E->getHelper(I).Upper)); | |||
4034 | const auto *VD = cast<VarDecl>(E->getIteratorDecl(I)); | |||
4035 | addPrivate(VD, [&CGF, VD]() { | |||
4036 | return CGF.CreateMemTemp(VD->getType(), VD->getName()); | |||
4037 | }); | |||
4038 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | |||
4039 | addPrivate(HelperData.CounterVD, [&CGF, &HelperData]() { | |||
4040 | return CGF.CreateMemTemp(HelperData.CounterVD->getType(), | |||
4041 | "counter.addr"); | |||
4042 | }); | |||
4043 | } | |||
4044 | Privatize(); | |||
4045 | ||||
4046 | for (unsigned I = 0, End = E->numOfIterators(); I < End; ++I) { | |||
4047 | const OMPIteratorHelperData &HelperData = E->getHelper(I); | |||
4048 | LValue CLVal = | |||
4049 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(HelperData.CounterVD), | |||
4050 | HelperData.CounterVD->getType()); | |||
4051 | // Counter = 0; | |||
4052 | CGF.EmitStoreOfScalar( | |||
4053 | llvm::ConstantInt::get(CLVal.getAddress(CGF).getElementType(), 0), | |||
4054 | CLVal); | |||
4055 | CodeGenFunction::JumpDest &ContDest = | |||
4056 | ContDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.cont")); | |||
4057 | CodeGenFunction::JumpDest &ExitDest = | |||
4058 | ExitDests.emplace_back(CGF.getJumpDestInCurrentScope("iter.exit")); | |||
4059 | // N = <number-of_iterations>; | |||
4060 | llvm::Value *N = Uppers[I]; | |||
4061 | // cont: | |||
4062 | // if (Counter < N) goto body; else goto exit; | |||
4063 | CGF.EmitBlock(ContDest.getBlock()); | |||
4064 | auto *CVal = | |||
4065 | CGF.EmitLoadOfScalar(CLVal, HelperData.CounterVD->getLocation()); | |||
4066 | llvm::Value *Cmp = | |||
4067 | HelperData.CounterVD->getType()->isSignedIntegerOrEnumerationType() | |||
4068 | ? CGF.Builder.CreateICmpSLT(CVal, N) | |||
4069 | : CGF.Builder.CreateICmpULT(CVal, N); | |||
4070 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("iter.body"); | |||
4071 | CGF.Builder.CreateCondBr(Cmp, BodyBB, ExitDest.getBlock()); | |||
4072 | // body: | |||
4073 | CGF.EmitBlock(BodyBB); | |||
4074 | // Iteri = Begini + Counter * Stepi; | |||
4075 | CGF.EmitIgnoredExpr(HelperData.Update); | |||
4076 | } | |||
4077 | } | |||
4078 | ~OMPIteratorGeneratorScope() { | |||
4079 | if (!E) | |||
4080 | return; | |||
4081 | for (unsigned I = E->numOfIterators(); I > 0; --I) { | |||
4082 | // Counter = Counter + 1; | |||
4083 | const OMPIteratorHelperData &HelperData = E->getHelper(I - 1); | |||
4084 | CGF.EmitIgnoredExpr(HelperData.CounterUpdate); | |||
4085 | // goto cont; | |||
4086 | CGF.EmitBranchThroughCleanup(ContDests[I - 1]); | |||
4087 | // exit: | |||
4088 | CGF.EmitBlock(ExitDests[I - 1].getBlock(), /*IsFinished=*/I == 1); | |||
4089 | } | |||
4090 | } | |||
4091 | }; | |||
4092 | } // namespace | |||
4093 | ||||
4094 | static std::pair<llvm::Value *, llvm::Value *> | |||
4095 | getPointerAndSize(CodeGenFunction &CGF, const Expr *E) { | |||
4096 | const auto *OASE = dyn_cast<OMPArrayShapingExpr>(E); | |||
4097 | llvm::Value *Addr; | |||
4098 | if (OASE) { | |||
4099 | const Expr *Base = OASE->getBase(); | |||
4100 | Addr = CGF.EmitScalarExpr(Base); | |||
4101 | } else { | |||
4102 | Addr = CGF.EmitLValue(E).getPointer(CGF); | |||
4103 | } | |||
4104 | llvm::Value *SizeVal; | |||
4105 | QualType Ty = E->getType(); | |||
4106 | if (OASE) { | |||
4107 | SizeVal = CGF.getTypeSize(OASE->getBase()->getType()->getPointeeType()); | |||
4108 | for (const Expr *SE : OASE->getDimensions()) { | |||
4109 | llvm::Value *Sz = CGF.EmitScalarExpr(SE); | |||
4110 | Sz = CGF.EmitScalarConversion( | |||
4111 | Sz, SE->getType(), CGF.getContext().getSizeType(), SE->getExprLoc()); | |||
4112 | SizeVal = CGF.Builder.CreateNUWMul(SizeVal, Sz); | |||
4113 | } | |||
4114 | } else if (const auto *ASE = | |||
4115 | dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) { | |||
4116 | LValue UpAddrLVal = | |||
4117 | CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); | |||
4118 | llvm::Value *UpAddr = | |||
4119 | CGF.Builder.CreateConstGEP1_32(UpAddrLVal.getPointer(CGF), /*Idx0=*/1); | |||
4120 | llvm::Value *LowIntPtr = CGF.Builder.CreatePtrToInt(Addr, CGF.SizeTy); | |||
4121 | llvm::Value *UpIntPtr = CGF.Builder.CreatePtrToInt(UpAddr, CGF.SizeTy); | |||
4122 | SizeVal = CGF.Builder.CreateNUWSub(UpIntPtr, LowIntPtr); | |||
4123 | } else { | |||
4124 | SizeVal = CGF.getTypeSize(Ty); | |||
4125 | } | |||
4126 | return std::make_pair(Addr, SizeVal); | |||
4127 | } | |||
4128 | ||||
4129 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | |||
4130 | static void getKmpAffinityType(ASTContext &C, QualType &KmpTaskAffinityInfoTy) { | |||
4131 | QualType FlagsTy = C.getIntTypeForBitwidth(32, /*Signed=*/false); | |||
4132 | if (KmpTaskAffinityInfoTy.isNull()) { | |||
4133 | RecordDecl *KmpAffinityInfoRD = | |||
4134 | C.buildImplicitRecord("kmp_task_affinity_info_t"); | |||
4135 | KmpAffinityInfoRD->startDefinition(); | |||
4136 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getIntPtrType()); | |||
4137 | addFieldToRecordDecl(C, KmpAffinityInfoRD, C.getSizeType()); | |||
4138 | addFieldToRecordDecl(C, KmpAffinityInfoRD, FlagsTy); | |||
4139 | KmpAffinityInfoRD->completeDefinition(); | |||
4140 | KmpTaskAffinityInfoTy = C.getRecordType(KmpAffinityInfoRD); | |||
4141 | } | |||
4142 | } | |||
4143 | ||||
4144 | CGOpenMPRuntime::TaskResultTy | |||
4145 | CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, | |||
4146 | const OMPExecutableDirective &D, | |||
4147 | llvm::Function *TaskFunction, QualType SharedsTy, | |||
4148 | Address Shareds, const OMPTaskDataTy &Data) { | |||
4149 | ASTContext &C = CGM.getContext(); | |||
4150 | llvm::SmallVector<PrivateDataTy, 4> Privates; | |||
4151 | // Aggregate privates and sort them by the alignment. | |||
4152 | const auto *I = Data.PrivateCopies.begin(); | |||
4153 | for (const Expr *E : Data.PrivateVars) { | |||
4154 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4155 | Privates.emplace_back( | |||
4156 | C.getDeclAlign(VD), | |||
4157 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
4158 | /*PrivateElemInit=*/nullptr)); | |||
4159 | ++I; | |||
4160 | } | |||
4161 | I = Data.FirstprivateCopies.begin(); | |||
4162 | const auto *IElemInitRef = Data.FirstprivateInits.begin(); | |||
4163 | for (const Expr *E : Data.FirstprivateVars) { | |||
4164 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4165 | Privates.emplace_back( | |||
4166 | C.getDeclAlign(VD), | |||
4167 | PrivateHelpersTy( | |||
4168 | E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
4169 | cast<VarDecl>(cast<DeclRefExpr>(*IElemInitRef)->getDecl()))); | |||
4170 | ++I; | |||
4171 | ++IElemInitRef; | |||
4172 | } | |||
4173 | I = Data.LastprivateCopies.begin(); | |||
4174 | for (const Expr *E : Data.LastprivateVars) { | |||
4175 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4176 | Privates.emplace_back( | |||
4177 | C.getDeclAlign(VD), | |||
4178 | PrivateHelpersTy(E, VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
4179 | /*PrivateElemInit=*/nullptr)); | |||
4180 | ++I; | |||
4181 | } | |||
4182 | for (const VarDecl *VD : Data.PrivateLocals) { | |||
4183 | if (isAllocatableDecl(VD)) | |||
4184 | Privates.emplace_back(CGM.getPointerAlign(), PrivateHelpersTy(VD)); | |||
4185 | else | |||
4186 | Privates.emplace_back(C.getDeclAlign(VD), PrivateHelpersTy(VD)); | |||
4187 | } | |||
4188 | llvm::stable_sort(Privates, | |||
4189 | [](const PrivateDataTy &L, const PrivateDataTy &R) { | |||
4190 | return L.first > R.first; | |||
4191 | }); | |||
4192 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
4193 | // Build type kmp_routine_entry_t (if not built yet). | |||
4194 | emitKmpRoutineEntryT(KmpInt32Ty); | |||
4195 | // Build type kmp_task_t (if not built yet). | |||
4196 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) { | |||
4197 | if (SavedKmpTaskloopTQTy.isNull()) { | |||
4198 | SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl( | |||
4199 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | |||
4200 | } | |||
4201 | KmpTaskTQTy = SavedKmpTaskloopTQTy; | |||
4202 | } else { | |||
4203 | assert((D.getDirectiveKind() == OMPD_task ||(((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective (D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective (D.getDirectiveKind())) && "Expected taskloop, task or target directive" ) ? static_cast<void> (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4206, __PRETTY_FUNCTION__)) | |||
4204 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()) ||(((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective (D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective (D.getDirectiveKind())) && "Expected taskloop, task or target directive" ) ? static_cast<void> (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4206, __PRETTY_FUNCTION__)) | |||
4205 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) &&(((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective (D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective (D.getDirectiveKind())) && "Expected taskloop, task or target directive" ) ? static_cast<void> (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4206, __PRETTY_FUNCTION__)) | |||
4206 | "Expected taskloop, task or target directive")(((D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective (D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective (D.getDirectiveKind())) && "Expected taskloop, task or target directive" ) ? static_cast<void> (0) : __assert_fail ("(D.getDirectiveKind() == OMPD_task || isOpenMPTargetExecutionDirective(D.getDirectiveKind()) || isOpenMPTargetDataManagementDirective(D.getDirectiveKind())) && \"Expected taskloop, task or target directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4206, __PRETTY_FUNCTION__)); | |||
4207 | if (SavedKmpTaskTQTy.isNull()) { | |||
4208 | SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl( | |||
4209 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | |||
4210 | } | |||
4211 | KmpTaskTQTy = SavedKmpTaskTQTy; | |||
4212 | } | |||
4213 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | |||
4214 | // Build particular struct kmp_task_t for the given task. | |||
4215 | const RecordDecl *KmpTaskTWithPrivatesQTyRD = | |||
4216 | createKmpTaskTWithPrivatesRecordDecl(CGM, KmpTaskTQTy, Privates); | |||
4217 | QualType KmpTaskTWithPrivatesQTy = C.getRecordType(KmpTaskTWithPrivatesQTyRD); | |||
4218 | QualType KmpTaskTWithPrivatesPtrQTy = | |||
4219 | C.getPointerType(KmpTaskTWithPrivatesQTy); | |||
4220 | llvm::Type *KmpTaskTWithPrivatesTy = CGF.ConvertType(KmpTaskTWithPrivatesQTy); | |||
4221 | llvm::Type *KmpTaskTWithPrivatesPtrTy = | |||
4222 | KmpTaskTWithPrivatesTy->getPointerTo(); | |||
4223 | llvm::Value *KmpTaskTWithPrivatesTySize = | |||
4224 | CGF.getTypeSize(KmpTaskTWithPrivatesQTy); | |||
4225 | QualType SharedsPtrTy = C.getPointerType(SharedsTy); | |||
4226 | ||||
4227 | // Emit initial values for private copies (if any). | |||
4228 | llvm::Value *TaskPrivatesMap = nullptr; | |||
4229 | llvm::Type *TaskPrivatesMapTy = | |||
4230 | std::next(TaskFunction->arg_begin(), 3)->getType(); | |||
4231 | if (!Privates.empty()) { | |||
4232 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4233 | TaskPrivatesMap = | |||
4234 | emitTaskPrivateMappingFunction(CGM, Loc, Data, FI->getType(), Privates); | |||
4235 | TaskPrivatesMap = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4236 | TaskPrivatesMap, TaskPrivatesMapTy); | |||
4237 | } else { | |||
4238 | TaskPrivatesMap = llvm::ConstantPointerNull::get( | |||
4239 | cast<llvm::PointerType>(TaskPrivatesMapTy)); | |||
4240 | } | |||
4241 | // Build a proxy function kmp_int32 .omp_task_entry.(kmp_int32 gtid, | |||
4242 | // kmp_task_t *tt); | |||
4243 | llvm::Function *TaskEntry = emitProxyTaskFunction( | |||
4244 | CGM, Loc, D.getDirectiveKind(), KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | |||
4245 | KmpTaskTWithPrivatesQTy, KmpTaskTQTy, SharedsPtrTy, TaskFunction, | |||
4246 | TaskPrivatesMap); | |||
4247 | ||||
4248 | // Build call kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | |||
4249 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | |||
4250 | // kmp_routine_entry_t *task_entry); | |||
4251 | // Task flags. Format is taken from | |||
4252 | // https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h, | |||
4253 | // description of kmp_tasking_flags struct. | |||
4254 | enum { | |||
4255 | TiedFlag = 0x1, | |||
4256 | FinalFlag = 0x2, | |||
4257 | DestructorsFlag = 0x8, | |||
4258 | PriorityFlag = 0x20, | |||
4259 | DetachableFlag = 0x40, | |||
4260 | }; | |||
4261 | unsigned Flags = Data.Tied ? TiedFlag : 0; | |||
4262 | bool NeedsCleanup = false; | |||
4263 | if (!Privates.empty()) { | |||
4264 | NeedsCleanup = | |||
4265 | checkDestructorsRequired(KmpTaskTWithPrivatesQTyRD, Privates); | |||
4266 | if (NeedsCleanup) | |||
4267 | Flags = Flags | DestructorsFlag; | |||
4268 | } | |||
4269 | if (Data.Priority.getInt()) | |||
4270 | Flags = Flags | PriorityFlag; | |||
4271 | if (D.hasClausesOfKind<OMPDetachClause>()) | |||
4272 | Flags = Flags | DetachableFlag; | |||
4273 | llvm::Value *TaskFlags = | |||
4274 | Data.Final.getPointer() | |||
4275 | ? CGF.Builder.CreateSelect(Data.Final.getPointer(), | |||
4276 | CGF.Builder.getInt32(FinalFlag), | |||
4277 | CGF.Builder.getInt32(/*C=*/0)) | |||
4278 | : CGF.Builder.getInt32(Data.Final.getInt() ? FinalFlag : 0); | |||
4279 | TaskFlags = CGF.Builder.CreateOr(TaskFlags, CGF.Builder.getInt32(Flags)); | |||
4280 | llvm::Value *SharedsSize = CGM.getSize(C.getTypeSizeInChars(SharedsTy)); | |||
4281 | SmallVector<llvm::Value *, 8> AllocArgs = {emitUpdateLocation(CGF, Loc), | |||
4282 | getThreadID(CGF, Loc), TaskFlags, KmpTaskTWithPrivatesTySize, | |||
4283 | SharedsSize, CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4284 | TaskEntry, KmpRoutineEntryPtrTy)}; | |||
4285 | llvm::Value *NewTask; | |||
4286 | if (D.hasClausesOfKind<OMPNowaitClause>()) { | |||
4287 | // Check if we have any device clause associated with the directive. | |||
4288 | const Expr *Device = nullptr; | |||
4289 | if (auto *C = D.getSingleClause<OMPDeviceClause>()) | |||
4290 | Device = C->getDevice(); | |||
4291 | // Emit device ID if any otherwise use default value. | |||
4292 | llvm::Value *DeviceID; | |||
4293 | if (Device) | |||
4294 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
4295 | CGF.Int64Ty, /*isSigned=*/true); | |||
4296 | else | |||
4297 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
4298 | AllocArgs.push_back(DeviceID); | |||
4299 | NewTask = CGF.EmitRuntimeCall( | |||
4300 | OMPBuilder.getOrCreateRuntimeFunction( | |||
4301 | CGM.getModule(), OMPRTL___kmpc_omp_target_task_alloc), | |||
4302 | AllocArgs); | |||
4303 | } else { | |||
4304 | NewTask = | |||
4305 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
4306 | CGM.getModule(), OMPRTL___kmpc_omp_task_alloc), | |||
4307 | AllocArgs); | |||
4308 | } | |||
4309 | // Emit detach clause initialization. | |||
4310 | // evt = (typeof(evt))__kmpc_task_allow_completion_event(loc, tid, | |||
4311 | // task_descriptor); | |||
4312 | if (const auto *DC = D.getSingleClause<OMPDetachClause>()) { | |||
4313 | const Expr *Evt = DC->getEventHandler()->IgnoreParenImpCasts(); | |||
4314 | LValue EvtLVal = CGF.EmitLValue(Evt); | |||
4315 | ||||
4316 | // Build kmp_event_t *__kmpc_task_allow_completion_event(ident_t *loc_ref, | |||
4317 | // int gtid, kmp_task_t *task); | |||
4318 | llvm::Value *Loc = emitUpdateLocation(CGF, DC->getBeginLoc()); | |||
4319 | llvm::Value *Tid = getThreadID(CGF, DC->getBeginLoc()); | |||
4320 | Tid = CGF.Builder.CreateIntCast(Tid, CGF.IntTy, /*isSigned=*/false); | |||
4321 | llvm::Value *EvtVal = CGF.EmitRuntimeCall( | |||
4322 | OMPBuilder.getOrCreateRuntimeFunction( | |||
4323 | CGM.getModule(), OMPRTL___kmpc_task_allow_completion_event), | |||
4324 | {Loc, Tid, NewTask}); | |||
4325 | EvtVal = CGF.EmitScalarConversion(EvtVal, C.VoidPtrTy, Evt->getType(), | |||
4326 | Evt->getExprLoc()); | |||
4327 | CGF.EmitStoreOfScalar(EvtVal, EvtLVal); | |||
4328 | } | |||
4329 | // Process affinity clauses. | |||
4330 | if (D.hasClausesOfKind<OMPAffinityClause>()) { | |||
4331 | // Process list of affinity data. | |||
4332 | ASTContext &C = CGM.getContext(); | |||
4333 | Address AffinitiesArray = Address::invalid(); | |||
4334 | // Calculate number of elements to form the array of affinity data. | |||
4335 | llvm::Value *NumOfElements = nullptr; | |||
4336 | unsigned NumAffinities = 0; | |||
4337 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | |||
4338 | if (const Expr *Modifier = C->getModifier()) { | |||
4339 | const auto *IE = cast<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts()); | |||
4340 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | |||
4341 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | |||
4342 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | |||
4343 | NumOfElements = | |||
4344 | NumOfElements ? CGF.Builder.CreateNUWMul(NumOfElements, Sz) : Sz; | |||
4345 | } | |||
4346 | } else { | |||
4347 | NumAffinities += C->varlist_size(); | |||
4348 | } | |||
4349 | } | |||
4350 | getKmpAffinityType(CGM.getContext(), KmpTaskAffinityInfoTy); | |||
4351 | // Fields ids in kmp_task_affinity_info record. | |||
4352 | enum RTLAffinityInfoFieldsTy { BaseAddr, Len, Flags }; | |||
4353 | ||||
4354 | QualType KmpTaskAffinityInfoArrayTy; | |||
4355 | if (NumOfElements) { | |||
4356 | NumOfElements = CGF.Builder.CreateNUWAdd( | |||
4357 | llvm::ConstantInt::get(CGF.SizeTy, NumAffinities), NumOfElements); | |||
4358 | OpaqueValueExpr OVE( | |||
4359 | Loc, | |||
4360 | C.getIntTypeForBitwidth(C.getTypeSize(C.getSizeType()), /*Signed=*/0), | |||
4361 | VK_RValue); | |||
4362 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, | |||
4363 | RValue::get(NumOfElements)); | |||
4364 | KmpTaskAffinityInfoArrayTy = | |||
4365 | C.getVariableArrayType(KmpTaskAffinityInfoTy, &OVE, ArrayType::Normal, | |||
4366 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | |||
4367 | // Properly emit variable-sized array. | |||
4368 | auto *PD = ImplicitParamDecl::Create(C, KmpTaskAffinityInfoArrayTy, | |||
4369 | ImplicitParamDecl::Other); | |||
4370 | CGF.EmitVarDecl(*PD); | |||
4371 | AffinitiesArray = CGF.GetAddrOfLocalVar(PD); | |||
4372 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | |||
4373 | /*isSigned=*/false); | |||
4374 | } else { | |||
4375 | KmpTaskAffinityInfoArrayTy = C.getConstantArrayType( | |||
4376 | KmpTaskAffinityInfoTy, | |||
4377 | llvm::APInt(C.getTypeSize(C.getSizeType()), NumAffinities), nullptr, | |||
4378 | ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
4379 | AffinitiesArray = | |||
4380 | CGF.CreateMemTemp(KmpTaskAffinityInfoArrayTy, ".affs.arr.addr"); | |||
4381 | AffinitiesArray = CGF.Builder.CreateConstArrayGEP(AffinitiesArray, 0); | |||
4382 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumAffinities, | |||
4383 | /*isSigned=*/false); | |||
4384 | } | |||
4385 | ||||
4386 | const auto *KmpAffinityInfoRD = KmpTaskAffinityInfoTy->getAsRecordDecl(); | |||
4387 | // Fill array by elements without iterators. | |||
4388 | unsigned Pos = 0; | |||
4389 | bool HasIterator = false; | |||
4390 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | |||
4391 | if (C->getModifier()) { | |||
4392 | HasIterator = true; | |||
4393 | continue; | |||
4394 | } | |||
4395 | for (const Expr *E : C->varlists()) { | |||
4396 | llvm::Value *Addr; | |||
4397 | llvm::Value *Size; | |||
4398 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | |||
4399 | LValue Base = | |||
4400 | CGF.MakeAddrLValue(CGF.Builder.CreateConstGEP(AffinitiesArray, Pos), | |||
4401 | KmpTaskAffinityInfoTy); | |||
4402 | // affs[i].base_addr = &<Affinities[i].second>; | |||
4403 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4404 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | |||
4405 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | |||
4406 | BaseAddrLVal); | |||
4407 | // affs[i].len = sizeof(<Affinities[i].second>); | |||
4408 | LValue LenLVal = CGF.EmitLValueForField( | |||
4409 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | |||
4410 | CGF.EmitStoreOfScalar(Size, LenLVal); | |||
4411 | ++Pos; | |||
4412 | } | |||
4413 | } | |||
4414 | LValue PosLVal; | |||
4415 | if (HasIterator) { | |||
4416 | PosLVal = CGF.MakeAddrLValue( | |||
4417 | CGF.CreateMemTemp(C.getSizeType(), "affs.counter.addr"), | |||
4418 | C.getSizeType()); | |||
4419 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | |||
4420 | } | |||
4421 | // Process elements with iterators. | |||
4422 | for (const auto *C : D.getClausesOfKind<OMPAffinityClause>()) { | |||
4423 | const Expr *Modifier = C->getModifier(); | |||
4424 | if (!Modifier) | |||
4425 | continue; | |||
4426 | OMPIteratorGeneratorScope IteratorScope( | |||
4427 | CGF, cast_or_null<OMPIteratorExpr>(Modifier->IgnoreParenImpCasts())); | |||
4428 | for (const Expr *E : C->varlists()) { | |||
4429 | llvm::Value *Addr; | |||
4430 | llvm::Value *Size; | |||
4431 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | |||
4432 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | |||
4433 | LValue Base = CGF.MakeAddrLValue( | |||
4434 | Address(CGF.Builder.CreateGEP(AffinitiesArray.getPointer(), Idx), | |||
4435 | AffinitiesArray.getAlignment()), | |||
4436 | KmpTaskAffinityInfoTy); | |||
4437 | // affs[i].base_addr = &<Affinities[i].second>; | |||
4438 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4439 | Base, *std::next(KmpAffinityInfoRD->field_begin(), BaseAddr)); | |||
4440 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | |||
4441 | BaseAddrLVal); | |||
4442 | // affs[i].len = sizeof(<Affinities[i].second>); | |||
4443 | LValue LenLVal = CGF.EmitLValueForField( | |||
4444 | Base, *std::next(KmpAffinityInfoRD->field_begin(), Len)); | |||
4445 | CGF.EmitStoreOfScalar(Size, LenLVal); | |||
4446 | Idx = CGF.Builder.CreateNUWAdd( | |||
4447 | Idx, llvm::ConstantInt::get(Idx->getType(), 1)); | |||
4448 | CGF.EmitStoreOfScalar(Idx, PosLVal); | |||
4449 | } | |||
4450 | } | |||
4451 | // Call to kmp_int32 __kmpc_omp_reg_task_with_affinity(ident_t *loc_ref, | |||
4452 | // kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 | |||
4453 | // naffins, kmp_task_affinity_info_t *affin_list); | |||
4454 | llvm::Value *LocRef = emitUpdateLocation(CGF, Loc); | |||
4455 | llvm::Value *GTid = getThreadID(CGF, Loc); | |||
4456 | llvm::Value *AffinListPtr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4457 | AffinitiesArray.getPointer(), CGM.VoidPtrTy); | |||
4458 | // FIXME: Emit the function and ignore its result for now unless the | |||
4459 | // runtime function is properly implemented. | |||
4460 | (void)CGF.EmitRuntimeCall( | |||
4461 | OMPBuilder.getOrCreateRuntimeFunction( | |||
4462 | CGM.getModule(), OMPRTL___kmpc_omp_reg_task_with_affinity), | |||
4463 | {LocRef, GTid, NewTask, NumOfElements, AffinListPtr}); | |||
4464 | } | |||
4465 | llvm::Value *NewTaskNewTaskTTy = | |||
4466 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4467 | NewTask, KmpTaskTWithPrivatesPtrTy); | |||
4468 | LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, | |||
4469 | KmpTaskTWithPrivatesQTy); | |||
4470 | LValue TDBase = | |||
4471 | CGF.EmitLValueForField(Base, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4472 | // Fill the data in the resulting kmp_task_t record. | |||
4473 | // Copy shareds if there are any. | |||
4474 | Address KmpTaskSharedsPtr = Address::invalid(); | |||
4475 | if (!SharedsTy->getAsStructureType()->getDecl()->field_empty()) { | |||
4476 | KmpTaskSharedsPtr = | |||
4477 | Address(CGF.EmitLoadOfScalar( | |||
4478 | CGF.EmitLValueForField( | |||
4479 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), | |||
4480 | KmpTaskTShareds)), | |||
4481 | Loc), | |||
4482 | CGM.getNaturalTypeAlignment(SharedsTy)); | |||
4483 | LValue Dest = CGF.MakeAddrLValue(KmpTaskSharedsPtr, SharedsTy); | |||
4484 | LValue Src = CGF.MakeAddrLValue(Shareds, SharedsTy); | |||
4485 | CGF.EmitAggregateCopy(Dest, Src, SharedsTy, AggValueSlot::DoesNotOverlap); | |||
4486 | } | |||
4487 | // Emit initial values for private copies (if any). | |||
4488 | TaskResultTy Result; | |||
4489 | if (!Privates.empty()) { | |||
4490 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, Base, KmpTaskTWithPrivatesQTyRD, | |||
4491 | SharedsTy, SharedsPtrTy, Data, Privates, | |||
4492 | /*ForDup=*/false); | |||
4493 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind()) && | |||
4494 | (!Data.LastprivateVars.empty() || checkInitIsRequired(CGF, Privates))) { | |||
4495 | Result.TaskDupFn = emitTaskDupFunction( | |||
4496 | CGM, Loc, D, KmpTaskTWithPrivatesPtrQTy, KmpTaskTWithPrivatesQTyRD, | |||
4497 | KmpTaskTQTyRD, SharedsTy, SharedsPtrTy, Data, Privates, | |||
4498 | /*WithLastIter=*/!Data.LastprivateVars.empty()); | |||
4499 | } | |||
4500 | } | |||
4501 | // Fields of union "kmp_cmplrdata_t" for destructors and priority. | |||
4502 | enum { Priority = 0, Destructors = 1 }; | |||
4503 | // Provide pointer to function with destructors for privates. | |||
4504 | auto FI = std::next(KmpTaskTQTyRD->field_begin(), Data1); | |||
4505 | const RecordDecl *KmpCmplrdataUD = | |||
4506 | (*FI)->getType()->getAsUnionType()->getDecl(); | |||
4507 | if (NeedsCleanup) { | |||
4508 | llvm::Value *DestructorFn = emitDestructorsFunction( | |||
4509 | CGM, Loc, KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | |||
4510 | KmpTaskTWithPrivatesQTy); | |||
4511 | LValue Data1LV = CGF.EmitLValueForField(TDBase, *FI); | |||
4512 | LValue DestructorsLV = CGF.EmitLValueForField( | |||
4513 | Data1LV, *std::next(KmpCmplrdataUD->field_begin(), Destructors)); | |||
4514 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4515 | DestructorFn, KmpRoutineEntryPtrTy), | |||
4516 | DestructorsLV); | |||
4517 | } | |||
4518 | // Set priority. | |||
4519 | if (Data.Priority.getInt()) { | |||
4520 | LValue Data2LV = CGF.EmitLValueForField( | |||
4521 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), Data2)); | |||
4522 | LValue PriorityLV = CGF.EmitLValueForField( | |||
4523 | Data2LV, *std::next(KmpCmplrdataUD->field_begin(), Priority)); | |||
4524 | CGF.EmitStoreOfScalar(Data.Priority.getPointer(), PriorityLV); | |||
4525 | } | |||
4526 | Result.NewTask = NewTask; | |||
4527 | Result.TaskEntry = TaskEntry; | |||
4528 | Result.NewTaskNewTaskTTy = NewTaskNewTaskTTy; | |||
4529 | Result.TDBase = TDBase; | |||
4530 | Result.KmpTaskTQTyRD = KmpTaskTQTyRD; | |||
4531 | return Result; | |||
4532 | } | |||
4533 | ||||
4534 | namespace { | |||
4535 | /// Dependence kind for RTL. | |||
4536 | enum RTLDependenceKindTy { | |||
4537 | DepIn = 0x01, | |||
4538 | DepInOut = 0x3, | |||
4539 | DepMutexInOutSet = 0x4 | |||
4540 | }; | |||
4541 | /// Fields ids in kmp_depend_info record. | |||
4542 | enum RTLDependInfoFieldsTy { BaseAddr, Len, Flags }; | |||
4543 | } // namespace | |||
4544 | ||||
4545 | /// Translates internal dependency kind into the runtime kind. | |||
4546 | static RTLDependenceKindTy translateDependencyKind(OpenMPDependClauseKind K) { | |||
4547 | RTLDependenceKindTy DepKind; | |||
4548 | switch (K) { | |||
4549 | case OMPC_DEPEND_in: | |||
4550 | DepKind = DepIn; | |||
4551 | break; | |||
4552 | // Out and InOut dependencies must use the same code. | |||
4553 | case OMPC_DEPEND_out: | |||
4554 | case OMPC_DEPEND_inout: | |||
4555 | DepKind = DepInOut; | |||
4556 | break; | |||
4557 | case OMPC_DEPEND_mutexinoutset: | |||
4558 | DepKind = DepMutexInOutSet; | |||
4559 | break; | |||
4560 | case OMPC_DEPEND_source: | |||
4561 | case OMPC_DEPEND_sink: | |||
4562 | case OMPC_DEPEND_depobj: | |||
4563 | case OMPC_DEPEND_unknown: | |||
4564 | llvm_unreachable("Unknown task dependence type")::llvm::llvm_unreachable_internal("Unknown task dependence type" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4564); | |||
4565 | } | |||
4566 | return DepKind; | |||
4567 | } | |||
4568 | ||||
4569 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | |||
4570 | static void getDependTypes(ASTContext &C, QualType &KmpDependInfoTy, | |||
4571 | QualType &FlagsTy) { | |||
4572 | FlagsTy = C.getIntTypeForBitwidth(C.getTypeSize(C.BoolTy), /*Signed=*/false); | |||
4573 | if (KmpDependInfoTy.isNull()) { | |||
4574 | RecordDecl *KmpDependInfoRD = C.buildImplicitRecord("kmp_depend_info"); | |||
4575 | KmpDependInfoRD->startDefinition(); | |||
4576 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getIntPtrType()); | |||
4577 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getSizeType()); | |||
4578 | addFieldToRecordDecl(C, KmpDependInfoRD, FlagsTy); | |||
4579 | KmpDependInfoRD->completeDefinition(); | |||
4580 | KmpDependInfoTy = C.getRecordType(KmpDependInfoRD); | |||
4581 | } | |||
4582 | } | |||
4583 | ||||
4584 | std::pair<llvm::Value *, LValue> | |||
4585 | CGOpenMPRuntime::getDepobjElements(CodeGenFunction &CGF, LValue DepobjLVal, | |||
4586 | SourceLocation Loc) { | |||
4587 | ASTContext &C = CGM.getContext(); | |||
4588 | QualType FlagsTy; | |||
4589 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4590 | RecordDecl *KmpDependInfoRD = | |||
4591 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
4592 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
4593 | DepobjLVal.getAddress(CGF), | |||
4594 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
4595 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
4596 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4597 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy)); | |||
4598 | Base = CGF.MakeAddrLValue(Addr, KmpDependInfoTy, Base.getBaseInfo(), | |||
4599 | Base.getTBAAInfo()); | |||
4600 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
4601 | Addr.getPointer(), | |||
4602 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
4603 | LValue NumDepsBase = CGF.MakeAddrLValue( | |||
4604 | Address(DepObjAddr, Addr.getAlignment()), KmpDependInfoTy, | |||
4605 | Base.getBaseInfo(), Base.getTBAAInfo()); | |||
4606 | // NumDeps = deps[i].base_addr; | |||
4607 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4608 | NumDepsBase, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
4609 | llvm::Value *NumDeps = CGF.EmitLoadOfScalar(BaseAddrLVal, Loc); | |||
4610 | return std::make_pair(NumDeps, Base); | |||
4611 | } | |||
4612 | ||||
4613 | static void emitDependData(CodeGenFunction &CGF, QualType &KmpDependInfoTy, | |||
4614 | llvm::PointerUnion<unsigned *, LValue *> Pos, | |||
4615 | const OMPTaskDataTy::DependData &Data, | |||
4616 | Address DependenciesArray) { | |||
4617 | CodeGenModule &CGM = CGF.CGM; | |||
4618 | ASTContext &C = CGM.getContext(); | |||
4619 | QualType FlagsTy; | |||
4620 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4621 | RecordDecl *KmpDependInfoRD = | |||
4622 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
4623 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | |||
4624 | ||||
4625 | OMPIteratorGeneratorScope IteratorScope( | |||
4626 | CGF, cast_or_null<OMPIteratorExpr>( | |||
4627 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | |||
4628 | : nullptr)); | |||
4629 | for (const Expr *E : Data.DepExprs) { | |||
4630 | llvm::Value *Addr; | |||
4631 | llvm::Value *Size; | |||
4632 | std::tie(Addr, Size) = getPointerAndSize(CGF, E); | |||
4633 | LValue Base; | |||
4634 | if (unsigned *P = Pos.dyn_cast<unsigned *>()) { | |||
4635 | Base = CGF.MakeAddrLValue( | |||
4636 | CGF.Builder.CreateConstGEP(DependenciesArray, *P), KmpDependInfoTy); | |||
4637 | } else { | |||
4638 | LValue &PosLVal = *Pos.get<LValue *>(); | |||
4639 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | |||
4640 | Base = CGF.MakeAddrLValue( | |||
4641 | Address(CGF.Builder.CreateGEP(DependenciesArray.getPointer(), Idx), | |||
4642 | DependenciesArray.getAlignment()), | |||
4643 | KmpDependInfoTy); | |||
4644 | } | |||
4645 | // deps[i].base_addr = &<Dependencies[i].second>; | |||
4646 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4647 | Base, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
4648 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePtrToInt(Addr, CGF.IntPtrTy), | |||
4649 | BaseAddrLVal); | |||
4650 | // deps[i].len = sizeof(<Dependencies[i].second>); | |||
4651 | LValue LenLVal = CGF.EmitLValueForField( | |||
4652 | Base, *std::next(KmpDependInfoRD->field_begin(), Len)); | |||
4653 | CGF.EmitStoreOfScalar(Size, LenLVal); | |||
4654 | // deps[i].flags = <Dependencies[i].first>; | |||
4655 | RTLDependenceKindTy DepKind = translateDependencyKind(Data.DepKind); | |||
4656 | LValue FlagsLVal = CGF.EmitLValueForField( | |||
4657 | Base, *std::next(KmpDependInfoRD->field_begin(), Flags)); | |||
4658 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(LLVMFlagsTy, DepKind), | |||
4659 | FlagsLVal); | |||
4660 | if (unsigned *P = Pos.dyn_cast<unsigned *>()) { | |||
4661 | ++(*P); | |||
4662 | } else { | |||
4663 | LValue &PosLVal = *Pos.get<LValue *>(); | |||
4664 | llvm::Value *Idx = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | |||
4665 | Idx = CGF.Builder.CreateNUWAdd(Idx, | |||
4666 | llvm::ConstantInt::get(Idx->getType(), 1)); | |||
4667 | CGF.EmitStoreOfScalar(Idx, PosLVal); | |||
4668 | } | |||
4669 | } | |||
4670 | } | |||
4671 | ||||
4672 | static SmallVector<llvm::Value *, 4> | |||
4673 | emitDepobjElementsSizes(CodeGenFunction &CGF, QualType &KmpDependInfoTy, | |||
4674 | const OMPTaskDataTy::DependData &Data) { | |||
4675 | assert(Data.DepKind == OMPC_DEPEND_depobj &&((Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependecy kind." ) ? static_cast<void> (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependecy kind.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4676, __PRETTY_FUNCTION__)) | |||
4676 | "Expected depobj dependecy kind.")((Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependecy kind." ) ? static_cast<void> (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependecy kind.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4676, __PRETTY_FUNCTION__)); | |||
4677 | SmallVector<llvm::Value *, 4> Sizes; | |||
4678 | SmallVector<LValue, 4> SizeLVals; | |||
4679 | ASTContext &C = CGF.getContext(); | |||
4680 | QualType FlagsTy; | |||
4681 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4682 | RecordDecl *KmpDependInfoRD = | |||
4683 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
4684 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
4685 | llvm::Type *KmpDependInfoPtrT = CGF.ConvertTypeForMem(KmpDependInfoPtrTy); | |||
4686 | { | |||
4687 | OMPIteratorGeneratorScope IteratorScope( | |||
4688 | CGF, cast_or_null<OMPIteratorExpr>( | |||
4689 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | |||
4690 | : nullptr)); | |||
4691 | for (const Expr *E : Data.DepExprs) { | |||
4692 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | |||
4693 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
4694 | DepobjLVal.getAddress(CGF), | |||
4695 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
4696 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4697 | Base.getAddress(CGF), KmpDependInfoPtrT); | |||
4698 | Base = CGF.MakeAddrLValue(Addr, KmpDependInfoTy, Base.getBaseInfo(), | |||
4699 | Base.getTBAAInfo()); | |||
4700 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
4701 | Addr.getPointer(), | |||
4702 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
4703 | LValue NumDepsBase = CGF.MakeAddrLValue( | |||
4704 | Address(DepObjAddr, Addr.getAlignment()), KmpDependInfoTy, | |||
4705 | Base.getBaseInfo(), Base.getTBAAInfo()); | |||
4706 | // NumDeps = deps[i].base_addr; | |||
4707 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4708 | NumDepsBase, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
4709 | llvm::Value *NumDeps = | |||
4710 | CGF.EmitLoadOfScalar(BaseAddrLVal, E->getExprLoc()); | |||
4711 | LValue NumLVal = CGF.MakeAddrLValue( | |||
4712 | CGF.CreateMemTemp(C.getUIntPtrType(), "depobj.size.addr"), | |||
4713 | C.getUIntPtrType()); | |||
4714 | CGF.InitTempAlloca(NumLVal.getAddress(CGF), | |||
4715 | llvm::ConstantInt::get(CGF.IntPtrTy, 0)); | |||
4716 | llvm::Value *PrevVal = CGF.EmitLoadOfScalar(NumLVal, E->getExprLoc()); | |||
4717 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(PrevVal, NumDeps); | |||
4718 | CGF.EmitStoreOfScalar(Add, NumLVal); | |||
4719 | SizeLVals.push_back(NumLVal); | |||
4720 | } | |||
4721 | } | |||
4722 | for (unsigned I = 0, E = SizeLVals.size(); I < E; ++I) { | |||
4723 | llvm::Value *Size = | |||
4724 | CGF.EmitLoadOfScalar(SizeLVals[I], Data.DepExprs[I]->getExprLoc()); | |||
4725 | Sizes.push_back(Size); | |||
4726 | } | |||
4727 | return Sizes; | |||
4728 | } | |||
4729 | ||||
4730 | static void emitDepobjElements(CodeGenFunction &CGF, QualType &KmpDependInfoTy, | |||
4731 | LValue PosLVal, | |||
4732 | const OMPTaskDataTy::DependData &Data, | |||
4733 | Address DependenciesArray) { | |||
4734 | assert(Data.DepKind == OMPC_DEPEND_depobj &&((Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependecy kind." ) ? static_cast<void> (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependecy kind.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4735, __PRETTY_FUNCTION__)) | |||
4735 | "Expected depobj dependecy kind.")((Data.DepKind == OMPC_DEPEND_depobj && "Expected depobj dependecy kind." ) ? static_cast<void> (0) : __assert_fail ("Data.DepKind == OMPC_DEPEND_depobj && \"Expected depobj dependecy kind.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4735, __PRETTY_FUNCTION__)); | |||
4736 | ASTContext &C = CGF.getContext(); | |||
4737 | QualType FlagsTy; | |||
4738 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4739 | RecordDecl *KmpDependInfoRD = | |||
4740 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
4741 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
4742 | llvm::Type *KmpDependInfoPtrT = CGF.ConvertTypeForMem(KmpDependInfoPtrTy); | |||
4743 | llvm::Value *ElSize = CGF.getTypeSize(KmpDependInfoTy); | |||
4744 | { | |||
4745 | OMPIteratorGeneratorScope IteratorScope( | |||
4746 | CGF, cast_or_null<OMPIteratorExpr>( | |||
4747 | Data.IteratorExpr ? Data.IteratorExpr->IgnoreParenImpCasts() | |||
4748 | : nullptr)); | |||
4749 | for (unsigned I = 0, End = Data.DepExprs.size(); I < End; ++I) { | |||
4750 | const Expr *E = Data.DepExprs[I]; | |||
4751 | LValue DepobjLVal = CGF.EmitLValue(E->IgnoreParenImpCasts()); | |||
4752 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
4753 | DepobjLVal.getAddress(CGF), | |||
4754 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
4755 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4756 | Base.getAddress(CGF), KmpDependInfoPtrT); | |||
4757 | Base = CGF.MakeAddrLValue(Addr, KmpDependInfoTy, Base.getBaseInfo(), | |||
4758 | Base.getTBAAInfo()); | |||
4759 | ||||
4760 | // Get number of elements in a single depobj. | |||
4761 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
4762 | Addr.getPointer(), | |||
4763 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
4764 | LValue NumDepsBase = CGF.MakeAddrLValue( | |||
4765 | Address(DepObjAddr, Addr.getAlignment()), KmpDependInfoTy, | |||
4766 | Base.getBaseInfo(), Base.getTBAAInfo()); | |||
4767 | // NumDeps = deps[i].base_addr; | |||
4768 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4769 | NumDepsBase, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
4770 | llvm::Value *NumDeps = | |||
4771 | CGF.EmitLoadOfScalar(BaseAddrLVal, E->getExprLoc()); | |||
4772 | ||||
4773 | // memcopy dependency data. | |||
4774 | llvm::Value *Size = CGF.Builder.CreateNUWMul( | |||
4775 | ElSize, | |||
4776 | CGF.Builder.CreateIntCast(NumDeps, CGF.SizeTy, /*isSigned=*/false)); | |||
4777 | llvm::Value *Pos = CGF.EmitLoadOfScalar(PosLVal, E->getExprLoc()); | |||
4778 | Address DepAddr = | |||
4779 | Address(CGF.Builder.CreateGEP(DependenciesArray.getPointer(), Pos), | |||
4780 | DependenciesArray.getAlignment()); | |||
4781 | CGF.Builder.CreateMemCpy(DepAddr, Base.getAddress(CGF), Size); | |||
4782 | ||||
4783 | // Increase pos. | |||
4784 | // pos += size; | |||
4785 | llvm::Value *Add = CGF.Builder.CreateNUWAdd(Pos, NumDeps); | |||
4786 | CGF.EmitStoreOfScalar(Add, PosLVal); | |||
4787 | } | |||
4788 | } | |||
4789 | } | |||
4790 | ||||
4791 | std::pair<llvm::Value *, Address> CGOpenMPRuntime::emitDependClause( | |||
4792 | CodeGenFunction &CGF, ArrayRef<OMPTaskDataTy::DependData> Dependencies, | |||
4793 | SourceLocation Loc) { | |||
4794 | if (llvm::all_of(Dependencies, [](const OMPTaskDataTy::DependData &D) { | |||
4795 | return D.DepExprs.empty(); | |||
4796 | })) | |||
4797 | return std::make_pair(nullptr, Address::invalid()); | |||
4798 | // Process list of dependencies. | |||
4799 | ASTContext &C = CGM.getContext(); | |||
4800 | Address DependenciesArray = Address::invalid(); | |||
4801 | llvm::Value *NumOfElements = nullptr; | |||
4802 | unsigned NumDependencies = std::accumulate( | |||
4803 | Dependencies.begin(), Dependencies.end(), 0, | |||
4804 | [](unsigned V, const OMPTaskDataTy::DependData &D) { | |||
4805 | return D.DepKind == OMPC_DEPEND_depobj | |||
4806 | ? V | |||
4807 | : (V + (D.IteratorExpr ? 0 : D.DepExprs.size())); | |||
4808 | }); | |||
4809 | QualType FlagsTy; | |||
4810 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4811 | bool HasDepobjDeps = false; | |||
4812 | bool HasRegularWithIterators = false; | |||
4813 | llvm::Value *NumOfDepobjElements = llvm::ConstantInt::get(CGF.IntPtrTy, 0); | |||
4814 | llvm::Value *NumOfRegularWithIterators = | |||
4815 | llvm::ConstantInt::get(CGF.IntPtrTy, 1); | |||
4816 | // Calculate number of depobj dependecies and regular deps with the iterators. | |||
4817 | for (const OMPTaskDataTy::DependData &D : Dependencies) { | |||
4818 | if (D.DepKind == OMPC_DEPEND_depobj) { | |||
4819 | SmallVector<llvm::Value *, 4> Sizes = | |||
4820 | emitDepobjElementsSizes(CGF, KmpDependInfoTy, D); | |||
4821 | for (llvm::Value *Size : Sizes) { | |||
4822 | NumOfDepobjElements = | |||
4823 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, Size); | |||
4824 | } | |||
4825 | HasDepobjDeps = true; | |||
4826 | continue; | |||
4827 | } | |||
4828 | // Include number of iterations, if any. | |||
4829 | if (const auto *IE = cast_or_null<OMPIteratorExpr>(D.IteratorExpr)) { | |||
4830 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | |||
4831 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | |||
4832 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.IntPtrTy, /*isSigned=*/false); | |||
4833 | NumOfRegularWithIterators = | |||
4834 | CGF.Builder.CreateNUWMul(NumOfRegularWithIterators, Sz); | |||
4835 | } | |||
4836 | HasRegularWithIterators = true; | |||
4837 | continue; | |||
4838 | } | |||
4839 | } | |||
4840 | ||||
4841 | QualType KmpDependInfoArrayTy; | |||
4842 | if (HasDepobjDeps || HasRegularWithIterators) { | |||
4843 | NumOfElements = llvm::ConstantInt::get(CGM.IntPtrTy, NumDependencies, | |||
4844 | /*isSigned=*/false); | |||
4845 | if (HasDepobjDeps) { | |||
4846 | NumOfElements = | |||
4847 | CGF.Builder.CreateNUWAdd(NumOfDepobjElements, NumOfElements); | |||
4848 | } | |||
4849 | if (HasRegularWithIterators) { | |||
4850 | NumOfElements = | |||
4851 | CGF.Builder.CreateNUWAdd(NumOfRegularWithIterators, NumOfElements); | |||
4852 | } | |||
4853 | OpaqueValueExpr OVE(Loc, | |||
4854 | C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0), | |||
4855 | VK_RValue); | |||
4856 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, | |||
4857 | RValue::get(NumOfElements)); | |||
4858 | KmpDependInfoArrayTy = | |||
4859 | C.getVariableArrayType(KmpDependInfoTy, &OVE, ArrayType::Normal, | |||
4860 | /*IndexTypeQuals=*/0, SourceRange(Loc, Loc)); | |||
4861 | // CGF.EmitVariablyModifiedType(KmpDependInfoArrayTy); | |||
4862 | // Properly emit variable-sized array. | |||
4863 | auto *PD = ImplicitParamDecl::Create(C, KmpDependInfoArrayTy, | |||
4864 | ImplicitParamDecl::Other); | |||
4865 | CGF.EmitVarDecl(*PD); | |||
4866 | DependenciesArray = CGF.GetAddrOfLocalVar(PD); | |||
4867 | NumOfElements = CGF.Builder.CreateIntCast(NumOfElements, CGF.Int32Ty, | |||
4868 | /*isSigned=*/false); | |||
4869 | } else { | |||
4870 | KmpDependInfoArrayTy = C.getConstantArrayType( | |||
4871 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies), nullptr, | |||
4872 | ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
4873 | DependenciesArray = | |||
4874 | CGF.CreateMemTemp(KmpDependInfoArrayTy, ".dep.arr.addr"); | |||
4875 | DependenciesArray = CGF.Builder.CreateConstArrayGEP(DependenciesArray, 0); | |||
4876 | NumOfElements = llvm::ConstantInt::get(CGM.Int32Ty, NumDependencies, | |||
4877 | /*isSigned=*/false); | |||
4878 | } | |||
4879 | unsigned Pos = 0; | |||
4880 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | |||
4881 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | |||
4882 | Dependencies[I].IteratorExpr) | |||
4883 | continue; | |||
4884 | emitDependData(CGF, KmpDependInfoTy, &Pos, Dependencies[I], | |||
4885 | DependenciesArray); | |||
4886 | } | |||
4887 | // Copy regular dependecies with iterators. | |||
4888 | LValue PosLVal = CGF.MakeAddrLValue( | |||
4889 | CGF.CreateMemTemp(C.getSizeType(), "dep.counter.addr"), C.getSizeType()); | |||
4890 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Pos), PosLVal); | |||
4891 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | |||
4892 | if (Dependencies[I].DepKind == OMPC_DEPEND_depobj || | |||
4893 | !Dependencies[I].IteratorExpr) | |||
4894 | continue; | |||
4895 | emitDependData(CGF, KmpDependInfoTy, &PosLVal, Dependencies[I], | |||
4896 | DependenciesArray); | |||
4897 | } | |||
4898 | // Copy final depobj arrays without iterators. | |||
4899 | if (HasDepobjDeps) { | |||
4900 | for (unsigned I = 0, End = Dependencies.size(); I < End; ++I) { | |||
4901 | if (Dependencies[I].DepKind != OMPC_DEPEND_depobj) | |||
4902 | continue; | |||
4903 | emitDepobjElements(CGF, KmpDependInfoTy, PosLVal, Dependencies[I], | |||
4904 | DependenciesArray); | |||
4905 | } | |||
4906 | } | |||
4907 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4908 | DependenciesArray, CGF.VoidPtrTy); | |||
4909 | return std::make_pair(NumOfElements, DependenciesArray); | |||
4910 | } | |||
4911 | ||||
4912 | Address CGOpenMPRuntime::emitDepobjDependClause( | |||
4913 | CodeGenFunction &CGF, const OMPTaskDataTy::DependData &Dependencies, | |||
4914 | SourceLocation Loc) { | |||
4915 | if (Dependencies.DepExprs.empty()) | |||
4916 | return Address::invalid(); | |||
4917 | // Process list of dependencies. | |||
4918 | ASTContext &C = CGM.getContext(); | |||
4919 | Address DependenciesArray = Address::invalid(); | |||
4920 | unsigned NumDependencies = Dependencies.DepExprs.size(); | |||
4921 | QualType FlagsTy; | |||
4922 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
4923 | RecordDecl *KmpDependInfoRD = | |||
4924 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
4925 | ||||
4926 | llvm::Value *Size; | |||
4927 | // Define type kmp_depend_info[<Dependencies.size()>]; | |||
4928 | // For depobj reserve one extra element to store the number of elements. | |||
4929 | // It is required to handle depobj(x) update(in) construct. | |||
4930 | // kmp_depend_info[<Dependencies.size()>] deps; | |||
4931 | llvm::Value *NumDepsVal; | |||
4932 | CharUnits Align = C.getTypeAlignInChars(KmpDependInfoTy); | |||
4933 | if (const auto *IE = | |||
4934 | cast_or_null<OMPIteratorExpr>(Dependencies.IteratorExpr)) { | |||
4935 | NumDepsVal = llvm::ConstantInt::get(CGF.SizeTy, 1); | |||
4936 | for (unsigned I = 0, E = IE->numOfIterators(); I < E; ++I) { | |||
4937 | llvm::Value *Sz = CGF.EmitScalarExpr(IE->getHelper(I).Upper); | |||
4938 | Sz = CGF.Builder.CreateIntCast(Sz, CGF.SizeTy, /*isSigned=*/false); | |||
4939 | NumDepsVal = CGF.Builder.CreateNUWMul(NumDepsVal, Sz); | |||
4940 | } | |||
4941 | Size = CGF.Builder.CreateNUWAdd(llvm::ConstantInt::get(CGF.SizeTy, 1), | |||
4942 | NumDepsVal); | |||
4943 | CharUnits SizeInBytes = | |||
4944 | C.getTypeSizeInChars(KmpDependInfoTy).alignTo(Align); | |||
4945 | llvm::Value *RecSize = CGM.getSize(SizeInBytes); | |||
4946 | Size = CGF.Builder.CreateNUWMul(Size, RecSize); | |||
4947 | NumDepsVal = | |||
4948 | CGF.Builder.CreateIntCast(NumDepsVal, CGF.IntPtrTy, /*isSigned=*/false); | |||
4949 | } else { | |||
4950 | QualType KmpDependInfoArrayTy = C.getConstantArrayType( | |||
4951 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies + 1), | |||
4952 | nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
4953 | CharUnits Sz = C.getTypeSizeInChars(KmpDependInfoArrayTy); | |||
4954 | Size = CGM.getSize(Sz.alignTo(Align)); | |||
4955 | NumDepsVal = llvm::ConstantInt::get(CGF.IntPtrTy, NumDependencies); | |||
4956 | } | |||
4957 | // Need to allocate on the dynamic memory. | |||
4958 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
4959 | // Use default allocator. | |||
4960 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
4961 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | |||
4962 | ||||
4963 | llvm::Value *Addr = | |||
4964 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
4965 | CGM.getModule(), OMPRTL___kmpc_alloc), | |||
4966 | Args, ".dep.arr.addr"); | |||
4967 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4968 | Addr, CGF.ConvertTypeForMem(KmpDependInfoTy)->getPointerTo()); | |||
4969 | DependenciesArray = Address(Addr, Align); | |||
4970 | // Write number of elements in the first element of array for depobj. | |||
4971 | LValue Base = CGF.MakeAddrLValue(DependenciesArray, KmpDependInfoTy); | |||
4972 | // deps[i].base_addr = NumDependencies; | |||
4973 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
4974 | Base, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
4975 | CGF.EmitStoreOfScalar(NumDepsVal, BaseAddrLVal); | |||
4976 | llvm::PointerUnion<unsigned *, LValue *> Pos; | |||
4977 | unsigned Idx = 1; | |||
4978 | LValue PosLVal; | |||
4979 | if (Dependencies.IteratorExpr) { | |||
4980 | PosLVal = CGF.MakeAddrLValue( | |||
4981 | CGF.CreateMemTemp(C.getSizeType(), "iterator.counter.addr"), | |||
4982 | C.getSizeType()); | |||
4983 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(CGF.SizeTy, Idx), PosLVal, | |||
4984 | /*IsInit=*/true); | |||
4985 | Pos = &PosLVal; | |||
4986 | } else { | |||
4987 | Pos = &Idx; | |||
4988 | } | |||
4989 | emitDependData(CGF, KmpDependInfoTy, Pos, Dependencies, DependenciesArray); | |||
4990 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4991 | CGF.Builder.CreateConstGEP(DependenciesArray, 1), CGF.VoidPtrTy); | |||
4992 | return DependenciesArray; | |||
4993 | } | |||
4994 | ||||
4995 | void CGOpenMPRuntime::emitDestroyClause(CodeGenFunction &CGF, LValue DepobjLVal, | |||
4996 | SourceLocation Loc) { | |||
4997 | ASTContext &C = CGM.getContext(); | |||
4998 | QualType FlagsTy; | |||
4999 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
5000 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
5001 | DepobjLVal.getAddress(CGF), | |||
5002 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5003 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
5004 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5005 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy)); | |||
5006 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
5007 | Addr.getPointer(), | |||
5008 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
5009 | DepObjAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(DepObjAddr, | |||
5010 | CGF.VoidPtrTy); | |||
5011 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5012 | // Use default allocator. | |||
5013 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5014 | llvm::Value *Args[] = {ThreadID, DepObjAddr, Allocator}; | |||
5015 | ||||
5016 | // _kmpc_free(gtid, addr, nullptr); | |||
5017 | (void)CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
5018 | CGM.getModule(), OMPRTL___kmpc_free), | |||
5019 | Args); | |||
5020 | } | |||
5021 | ||||
5022 | void CGOpenMPRuntime::emitUpdateClause(CodeGenFunction &CGF, LValue DepobjLVal, | |||
5023 | OpenMPDependClauseKind NewDepKind, | |||
5024 | SourceLocation Loc) { | |||
5025 | ASTContext &C = CGM.getContext(); | |||
5026 | QualType FlagsTy; | |||
5027 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
5028 | RecordDecl *KmpDependInfoRD = | |||
5029 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
5030 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | |||
5031 | llvm::Value *NumDeps; | |||
5032 | LValue Base; | |||
5033 | std::tie(NumDeps, Base) = getDepobjElements(CGF, DepobjLVal, Loc); | |||
5034 | ||||
5035 | Address Begin = Base.getAddress(CGF); | |||
5036 | // Cast from pointer to array type to pointer to single element. | |||
5037 | llvm::Value *End = CGF.Builder.CreateGEP(Begin.getPointer(), NumDeps); | |||
5038 | // The basic structure here is a while-do loop. | |||
5039 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.body"); | |||
5040 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.done"); | |||
5041 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
5042 | CGF.EmitBlock(BodyBB); | |||
5043 | llvm::PHINode *ElementPHI = | |||
5044 | CGF.Builder.CreatePHI(Begin.getType(), 2, "omp.elementPast"); | |||
5045 | ElementPHI->addIncoming(Begin.getPointer(), EntryBB); | |||
5046 | Begin = Address(ElementPHI, Begin.getAlignment()); | |||
5047 | Base = CGF.MakeAddrLValue(Begin, KmpDependInfoTy, Base.getBaseInfo(), | |||
5048 | Base.getTBAAInfo()); | |||
5049 | // deps[i].flags = NewDepKind; | |||
5050 | RTLDependenceKindTy DepKind = translateDependencyKind(NewDepKind); | |||
5051 | LValue FlagsLVal = CGF.EmitLValueForField( | |||
5052 | Base, *std::next(KmpDependInfoRD->field_begin(), Flags)); | |||
5053 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(LLVMFlagsTy, DepKind), | |||
5054 | FlagsLVal); | |||
5055 | ||||
5056 | // Shift the address forward by one element. | |||
5057 | Address ElementNext = | |||
5058 | CGF.Builder.CreateConstGEP(Begin, /*Index=*/1, "omp.elementNext"); | |||
5059 | ElementPHI->addIncoming(ElementNext.getPointer(), | |||
5060 | CGF.Builder.GetInsertBlock()); | |||
5061 | llvm::Value *IsEmpty = | |||
5062 | CGF.Builder.CreateICmpEQ(ElementNext.getPointer(), End, "omp.isempty"); | |||
5063 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
5064 | // Done. | |||
5065 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
5066 | } | |||
5067 | ||||
5068 | void CGOpenMPRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
5069 | const OMPExecutableDirective &D, | |||
5070 | llvm::Function *TaskFunction, | |||
5071 | QualType SharedsTy, Address Shareds, | |||
5072 | const Expr *IfCond, | |||
5073 | const OMPTaskDataTy &Data) { | |||
5074 | if (!CGF.HaveInsertPoint()) | |||
5075 | return; | |||
5076 | ||||
5077 | TaskResultTy Result = | |||
5078 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | |||
5079 | llvm::Value *NewTask = Result.NewTask; | |||
5080 | llvm::Function *TaskEntry = Result.TaskEntry; | |||
5081 | llvm::Value *NewTaskNewTaskTTy = Result.NewTaskNewTaskTTy; | |||
5082 | LValue TDBase = Result.TDBase; | |||
5083 | const RecordDecl *KmpTaskTQTyRD = Result.KmpTaskTQTyRD; | |||
5084 | // Process list of dependences. | |||
5085 | Address DependenciesArray = Address::invalid(); | |||
5086 | llvm::Value *NumOfElements; | |||
5087 | std::tie(NumOfElements, DependenciesArray) = | |||
5088 | emitDependClause(CGF, Data.Dependences, Loc); | |||
5089 | ||||
5090 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | |||
5091 | // libcall. | |||
5092 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | |||
5093 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | |||
5094 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list) if dependence | |||
5095 | // list is not empty | |||
5096 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5097 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | |||
5098 | llvm::Value *TaskArgs[] = { UpLoc, ThreadID, NewTask }; | |||
5099 | llvm::Value *DepTaskArgs[7]; | |||
5100 | if (!Data.Dependences.empty()) { | |||
5101 | DepTaskArgs[0] = UpLoc; | |||
5102 | DepTaskArgs[1] = ThreadID; | |||
5103 | DepTaskArgs[2] = NewTask; | |||
5104 | DepTaskArgs[3] = NumOfElements; | |||
5105 | DepTaskArgs[4] = DependenciesArray.getPointer(); | |||
5106 | DepTaskArgs[5] = CGF.Builder.getInt32(0); | |||
5107 | DepTaskArgs[6] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5108 | } | |||
5109 | auto &&ThenCodeGen = [this, &Data, TDBase, KmpTaskTQTyRD, &TaskArgs, | |||
5110 | &DepTaskArgs](CodeGenFunction &CGF, PrePostActionTy &) { | |||
5111 | if (!Data.Tied) { | |||
5112 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | |||
5113 | LValue PartIdLVal = CGF.EmitLValueForField(TDBase, *PartIdFI); | |||
5114 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(0), PartIdLVal); | |||
5115 | } | |||
5116 | if (!Data.Dependences.empty()) { | |||
5117 | CGF.EmitRuntimeCall( | |||
5118 | OMPBuilder.getOrCreateRuntimeFunction( | |||
5119 | CGM.getModule(), OMPRTL___kmpc_omp_task_with_deps), | |||
5120 | DepTaskArgs); | |||
5121 | } else { | |||
5122 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
5123 | CGM.getModule(), OMPRTL___kmpc_omp_task), | |||
5124 | TaskArgs); | |||
5125 | } | |||
5126 | // Check if parent region is untied and build return for untied task; | |||
5127 | if (auto *Region = | |||
5128 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
5129 | Region->emitUntiedSwitch(CGF); | |||
5130 | }; | |||
5131 | ||||
5132 | llvm::Value *DepWaitTaskArgs[6]; | |||
5133 | if (!Data.Dependences.empty()) { | |||
5134 | DepWaitTaskArgs[0] = UpLoc; | |||
5135 | DepWaitTaskArgs[1] = ThreadID; | |||
5136 | DepWaitTaskArgs[2] = NumOfElements; | |||
5137 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | |||
5138 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | |||
5139 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5140 | } | |||
5141 | auto &M = CGM.getModule(); | |||
5142 | auto &&ElseCodeGen = [this, &M, &TaskArgs, ThreadID, NewTaskNewTaskTTy, | |||
5143 | TaskEntry, &Data, &DepWaitTaskArgs, | |||
5144 | Loc](CodeGenFunction &CGF, PrePostActionTy &) { | |||
5145 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | |||
5146 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | |||
5147 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | |||
5148 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); if dependence info | |||
5149 | // is specified. | |||
5150 | if (!Data.Dependences.empty()) | |||
5151 | CGF.EmitRuntimeCall( | |||
5152 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_omp_wait_deps), | |||
5153 | DepWaitTaskArgs); | |||
5154 | // Call proxy_task_entry(gtid, new_task); | |||
5155 | auto &&CodeGen = [TaskEntry, ThreadID, NewTaskNewTaskTTy, | |||
5156 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5157 | Action.Enter(CGF); | |||
5158 | llvm::Value *OutlinedFnArgs[] = {ThreadID, NewTaskNewTaskTTy}; | |||
5159 | CGF.CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskEntry, | |||
5160 | OutlinedFnArgs); | |||
5161 | }; | |||
5162 | ||||
5163 | // Build void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | |||
5164 | // kmp_task_t *new_task); | |||
5165 | // Build void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | |||
5166 | // kmp_task_t *new_task); | |||
5167 | RegionCodeGenTy RCG(CodeGen); | |||
5168 | CommonActionTy Action(OMPBuilder.getOrCreateRuntimeFunction( | |||
5169 | M, OMPRTL___kmpc_omp_task_begin_if0), | |||
5170 | TaskArgs, | |||
5171 | OMPBuilder.getOrCreateRuntimeFunction( | |||
5172 | M, OMPRTL___kmpc_omp_task_complete_if0), | |||
5173 | TaskArgs); | |||
5174 | RCG.setAction(Action); | |||
5175 | RCG(CGF); | |||
5176 | }; | |||
5177 | ||||
5178 | if (IfCond) { | |||
5179 | emitIfClause(CGF, IfCond, ThenCodeGen, ElseCodeGen); | |||
5180 | } else { | |||
5181 | RegionCodeGenTy ThenRCG(ThenCodeGen); | |||
5182 | ThenRCG(CGF); | |||
5183 | } | |||
5184 | } | |||
5185 | ||||
5186 | void CGOpenMPRuntime::emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
5187 | const OMPLoopDirective &D, | |||
5188 | llvm::Function *TaskFunction, | |||
5189 | QualType SharedsTy, Address Shareds, | |||
5190 | const Expr *IfCond, | |||
5191 | const OMPTaskDataTy &Data) { | |||
5192 | if (!CGF.HaveInsertPoint()) | |||
5193 | return; | |||
5194 | TaskResultTy Result = | |||
5195 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | |||
5196 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | |||
5197 | // libcall. | |||
5198 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | |||
5199 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | |||
5200 | // sched, kmp_uint64 grainsize, void *task_dup); | |||
5201 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5202 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | |||
5203 | llvm::Value *IfVal; | |||
5204 | if (IfCond) { | |||
5205 | IfVal = CGF.Builder.CreateIntCast(CGF.EvaluateExprAsBool(IfCond), CGF.IntTy, | |||
5206 | /*isSigned=*/true); | |||
5207 | } else { | |||
5208 | IfVal = llvm::ConstantInt::getSigned(CGF.IntTy, /*V=*/1); | |||
5209 | } | |||
5210 | ||||
5211 | LValue LBLVal = CGF.EmitLValueForField( | |||
5212 | Result.TDBase, | |||
5213 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound)); | |||
5214 | const auto *LBVar = | |||
5215 | cast<VarDecl>(cast<DeclRefExpr>(D.getLowerBoundVariable())->getDecl()); | |||
5216 | CGF.EmitAnyExprToMem(LBVar->getInit(), LBLVal.getAddress(CGF), | |||
5217 | LBLVal.getQuals(), | |||
5218 | /*IsInitializer=*/true); | |||
5219 | LValue UBLVal = CGF.EmitLValueForField( | |||
5220 | Result.TDBase, | |||
5221 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound)); | |||
5222 | const auto *UBVar = | |||
5223 | cast<VarDecl>(cast<DeclRefExpr>(D.getUpperBoundVariable())->getDecl()); | |||
5224 | CGF.EmitAnyExprToMem(UBVar->getInit(), UBLVal.getAddress(CGF), | |||
5225 | UBLVal.getQuals(), | |||
5226 | /*IsInitializer=*/true); | |||
5227 | LValue StLVal = CGF.EmitLValueForField( | |||
5228 | Result.TDBase, | |||
5229 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTStride)); | |||
5230 | const auto *StVar = | |||
5231 | cast<VarDecl>(cast<DeclRefExpr>(D.getStrideVariable())->getDecl()); | |||
5232 | CGF.EmitAnyExprToMem(StVar->getInit(), StLVal.getAddress(CGF), | |||
5233 | StLVal.getQuals(), | |||
5234 | /*IsInitializer=*/true); | |||
5235 | // Store reductions address. | |||
5236 | LValue RedLVal = CGF.EmitLValueForField( | |||
5237 | Result.TDBase, | |||
5238 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTReductions)); | |||
5239 | if (Data.Reductions) { | |||
5240 | CGF.EmitStoreOfScalar(Data.Reductions, RedLVal); | |||
5241 | } else { | |||
5242 | CGF.EmitNullInitialization(RedLVal.getAddress(CGF), | |||
5243 | CGF.getContext().VoidPtrTy); | |||
5244 | } | |||
5245 | enum { NoSchedule = 0, Grainsize = 1, NumTasks = 2 }; | |||
5246 | llvm::Value *TaskArgs[] = { | |||
5247 | UpLoc, | |||
5248 | ThreadID, | |||
5249 | Result.NewTask, | |||
5250 | IfVal, | |||
5251 | LBLVal.getPointer(CGF), | |||
5252 | UBLVal.getPointer(CGF), | |||
5253 | CGF.EmitLoadOfScalar(StLVal, Loc), | |||
5254 | llvm::ConstantInt::getSigned( | |||
5255 | CGF.IntTy, 1), // Always 1 because taskgroup emitted by the compiler | |||
5256 | llvm::ConstantInt::getSigned( | |||
5257 | CGF.IntTy, Data.Schedule.getPointer() | |||
5258 | ? Data.Schedule.getInt() ? NumTasks : Grainsize | |||
5259 | : NoSchedule), | |||
5260 | Data.Schedule.getPointer() | |||
5261 | ? CGF.Builder.CreateIntCast(Data.Schedule.getPointer(), CGF.Int64Ty, | |||
5262 | /*isSigned=*/false) | |||
5263 | : llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/0), | |||
5264 | Result.TaskDupFn ? CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5265 | Result.TaskDupFn, CGF.VoidPtrTy) | |||
5266 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy)}; | |||
5267 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
5268 | CGM.getModule(), OMPRTL___kmpc_taskloop), | |||
5269 | TaskArgs); | |||
5270 | } | |||
5271 | ||||
5272 | /// Emit reduction operation for each element of array (required for | |||
5273 | /// array sections) LHS op = RHS. | |||
5274 | /// \param Type Type of array. | |||
5275 | /// \param LHSVar Variable on the left side of the reduction operation | |||
5276 | /// (references element of array in original variable). | |||
5277 | /// \param RHSVar Variable on the right side of the reduction operation | |||
5278 | /// (references element of array in original variable). | |||
5279 | /// \param RedOpGen Generator of reduction operation with use of LHSVar and | |||
5280 | /// RHSVar. | |||
5281 | static void EmitOMPAggregateReduction( | |||
5282 | CodeGenFunction &CGF, QualType Type, const VarDecl *LHSVar, | |||
5283 | const VarDecl *RHSVar, | |||
5284 | const llvm::function_ref<void(CodeGenFunction &CGF, const Expr *, | |||
5285 | const Expr *, const Expr *)> &RedOpGen, | |||
5286 | const Expr *XExpr = nullptr, const Expr *EExpr = nullptr, | |||
5287 | const Expr *UpExpr = nullptr) { | |||
5288 | // Perform element-by-element initialization. | |||
5289 | QualType ElementTy; | |||
5290 | Address LHSAddr = CGF.GetAddrOfLocalVar(LHSVar); | |||
5291 | Address RHSAddr = CGF.GetAddrOfLocalVar(RHSVar); | |||
5292 | ||||
5293 | // Drill down to the base element type on both arrays. | |||
5294 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | |||
5295 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, LHSAddr); | |||
5296 | ||||
5297 | llvm::Value *RHSBegin = RHSAddr.getPointer(); | |||
5298 | llvm::Value *LHSBegin = LHSAddr.getPointer(); | |||
5299 | // Cast from pointer to array type to pointer to single element. | |||
5300 | llvm::Value *LHSEnd = CGF.Builder.CreateGEP(LHSBegin, NumElements); | |||
5301 | // The basic structure here is a while-do loop. | |||
5302 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arraycpy.body"); | |||
5303 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arraycpy.done"); | |||
5304 | llvm::Value *IsEmpty = | |||
5305 | CGF.Builder.CreateICmpEQ(LHSBegin, LHSEnd, "omp.arraycpy.isempty"); | |||
5306 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
5307 | ||||
5308 | // Enter the loop body, making that address the current address. | |||
5309 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
5310 | CGF.EmitBlock(BodyBB); | |||
5311 | ||||
5312 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | |||
5313 | ||||
5314 | llvm::PHINode *RHSElementPHI = CGF.Builder.CreatePHI( | |||
5315 | RHSBegin->getType(), 2, "omp.arraycpy.srcElementPast"); | |||
5316 | RHSElementPHI->addIncoming(RHSBegin, EntryBB); | |||
5317 | Address RHSElementCurrent = | |||
5318 | Address(RHSElementPHI, | |||
5319 | RHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
5320 | ||||
5321 | llvm::PHINode *LHSElementPHI = CGF.Builder.CreatePHI( | |||
5322 | LHSBegin->getType(), 2, "omp.arraycpy.destElementPast"); | |||
5323 | LHSElementPHI->addIncoming(LHSBegin, EntryBB); | |||
5324 | Address LHSElementCurrent = | |||
5325 | Address(LHSElementPHI, | |||
5326 | LHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
5327 | ||||
5328 | // Emit copy. | |||
5329 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
5330 | Scope.addPrivate(LHSVar, [=]() { return LHSElementCurrent; }); | |||
5331 | Scope.addPrivate(RHSVar, [=]() { return RHSElementCurrent; }); | |||
5332 | Scope.Privatize(); | |||
5333 | RedOpGen(CGF, XExpr, EExpr, UpExpr); | |||
5334 | Scope.ForceCleanup(); | |||
5335 | ||||
5336 | // Shift the address forward by one element. | |||
5337 | llvm::Value *LHSElementNext = CGF.Builder.CreateConstGEP1_32( | |||
5338 | LHSElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
5339 | llvm::Value *RHSElementNext = CGF.Builder.CreateConstGEP1_32( | |||
5340 | RHSElementPHI, /*Idx0=*/1, "omp.arraycpy.src.element"); | |||
5341 | // Check whether we've reached the end. | |||
5342 | llvm::Value *Done = | |||
5343 | CGF.Builder.CreateICmpEQ(LHSElementNext, LHSEnd, "omp.arraycpy.done"); | |||
5344 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | |||
5345 | LHSElementPHI->addIncoming(LHSElementNext, CGF.Builder.GetInsertBlock()); | |||
5346 | RHSElementPHI->addIncoming(RHSElementNext, CGF.Builder.GetInsertBlock()); | |||
5347 | ||||
5348 | // Done. | |||
5349 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
5350 | } | |||
5351 | ||||
5352 | /// Emit reduction combiner. If the combiner is a simple expression emit it as | |||
5353 | /// is, otherwise consider it as combiner of UDR decl and emit it as a call of | |||
5354 | /// UDR combiner function. | |||
5355 | static void emitReductionCombiner(CodeGenFunction &CGF, | |||
5356 | const Expr *ReductionOp) { | |||
5357 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | |||
5358 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | |||
5359 | if (const auto *DRE = | |||
5360 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | |||
5361 | if (const auto *DRD = | |||
5362 | dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) { | |||
5363 | std::pair<llvm::Function *, llvm::Function *> Reduction = | |||
5364 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | |||
5365 | RValue Func = RValue::get(Reduction.first); | |||
5366 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | |||
5367 | CGF.EmitIgnoredExpr(ReductionOp); | |||
5368 | return; | |||
5369 | } | |||
5370 | CGF.EmitIgnoredExpr(ReductionOp); | |||
5371 | } | |||
5372 | ||||
5373 | llvm::Function *CGOpenMPRuntime::emitReductionFunction( | |||
5374 | SourceLocation Loc, llvm::Type *ArgsType, ArrayRef<const Expr *> Privates, | |||
5375 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | |||
5376 | ArrayRef<const Expr *> ReductionOps) { | |||
5377 | ASTContext &C = CGM.getContext(); | |||
5378 | ||||
5379 | // void reduction_func(void *LHSArg, void *RHSArg); | |||
5380 | FunctionArgList Args; | |||
5381 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5382 | ImplicitParamDecl::Other); | |||
5383 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5384 | ImplicitParamDecl::Other); | |||
5385 | Args.push_back(&LHSArg); | |||
5386 | Args.push_back(&RHSArg); | |||
5387 | const auto &CGFI = | |||
5388 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
5389 | std::string Name = getName({"omp", "reduction", "reduction_func"}); | |||
5390 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | |||
5391 | llvm::GlobalValue::InternalLinkage, Name, | |||
5392 | &CGM.getModule()); | |||
5393 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | |||
5394 | Fn->setDoesNotRecurse(); | |||
5395 | CodeGenFunction CGF(CGM); | |||
5396 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | |||
5397 | ||||
5398 | // Dst = (void*[n])(LHSArg); | |||
5399 | // Src = (void*[n])(RHSArg); | |||
5400 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5401 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | |||
5402 | ArgsType), CGF.getPointerAlign()); | |||
5403 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5404 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | |||
5405 | ArgsType), CGF.getPointerAlign()); | |||
5406 | ||||
5407 | // ... | |||
5408 | // *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); | |||
5409 | // ... | |||
5410 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
5411 | auto IPriv = Privates.begin(); | |||
5412 | unsigned Idx = 0; | |||
5413 | for (unsigned I = 0, E = ReductionOps.size(); I < E; ++I, ++IPriv, ++Idx) { | |||
5414 | const auto *RHSVar = | |||
5415 | cast<VarDecl>(cast<DeclRefExpr>(RHSExprs[I])->getDecl()); | |||
5416 | Scope.addPrivate(RHSVar, [&CGF, RHS, Idx, RHSVar]() { | |||
5417 | return emitAddrOfVarFromArray(CGF, RHS, Idx, RHSVar); | |||
5418 | }); | |||
5419 | const auto *LHSVar = | |||
5420 | cast<VarDecl>(cast<DeclRefExpr>(LHSExprs[I])->getDecl()); | |||
5421 | Scope.addPrivate(LHSVar, [&CGF, LHS, Idx, LHSVar]() { | |||
5422 | return emitAddrOfVarFromArray(CGF, LHS, Idx, LHSVar); | |||
5423 | }); | |||
5424 | QualType PrivTy = (*IPriv)->getType(); | |||
5425 | if (PrivTy->isVariablyModifiedType()) { | |||
5426 | // Get array size and emit VLA type. | |||
5427 | ++Idx; | |||
5428 | Address Elem = CGF.Builder.CreateConstArrayGEP(LHS, Idx); | |||
5429 | llvm::Value *Ptr = CGF.Builder.CreateLoad(Elem); | |||
5430 | const VariableArrayType *VLA = | |||
5431 | CGF.getContext().getAsVariableArrayType(PrivTy); | |||
5432 | const auto *OVE = cast<OpaqueValueExpr>(VLA->getSizeExpr()); | |||
5433 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
5434 | CGF, OVE, RValue::get(CGF.Builder.CreatePtrToInt(Ptr, CGF.SizeTy))); | |||
5435 | CGF.EmitVariablyModifiedType(PrivTy); | |||
5436 | } | |||
5437 | } | |||
5438 | Scope.Privatize(); | |||
5439 | IPriv = Privates.begin(); | |||
5440 | auto ILHS = LHSExprs.begin(); | |||
5441 | auto IRHS = RHSExprs.begin(); | |||
5442 | for (const Expr *E : ReductionOps) { | |||
5443 | if ((*IPriv)->getType()->isArrayType()) { | |||
5444 | // Emit reduction for array section. | |||
5445 | const auto *LHSVar = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
5446 | const auto *RHSVar = cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
5447 | EmitOMPAggregateReduction( | |||
5448 | CGF, (*IPriv)->getType(), LHSVar, RHSVar, | |||
5449 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | |||
5450 | emitReductionCombiner(CGF, E); | |||
5451 | }); | |||
5452 | } else { | |||
5453 | // Emit reduction for array subscript or single variable. | |||
5454 | emitReductionCombiner(CGF, E); | |||
5455 | } | |||
5456 | ++IPriv; | |||
5457 | ++ILHS; | |||
5458 | ++IRHS; | |||
5459 | } | |||
5460 | Scope.ForceCleanup(); | |||
5461 | CGF.FinishFunction(); | |||
5462 | return Fn; | |||
5463 | } | |||
5464 | ||||
5465 | void CGOpenMPRuntime::emitSingleReductionCombiner(CodeGenFunction &CGF, | |||
5466 | const Expr *ReductionOp, | |||
5467 | const Expr *PrivateRef, | |||
5468 | const DeclRefExpr *LHS, | |||
5469 | const DeclRefExpr *RHS) { | |||
5470 | if (PrivateRef->getType()->isArrayType()) { | |||
5471 | // Emit reduction for array section. | |||
5472 | const auto *LHSVar = cast<VarDecl>(LHS->getDecl()); | |||
5473 | const auto *RHSVar = cast<VarDecl>(RHS->getDecl()); | |||
5474 | EmitOMPAggregateReduction( | |||
5475 | CGF, PrivateRef->getType(), LHSVar, RHSVar, | |||
5476 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | |||
5477 | emitReductionCombiner(CGF, ReductionOp); | |||
5478 | }); | |||
5479 | } else { | |||
5480 | // Emit reduction for array subscript or single variable. | |||
5481 | emitReductionCombiner(CGF, ReductionOp); | |||
5482 | } | |||
5483 | } | |||
5484 | ||||
5485 | void CGOpenMPRuntime::emitReduction(CodeGenFunction &CGF, SourceLocation Loc, | |||
5486 | ArrayRef<const Expr *> Privates, | |||
5487 | ArrayRef<const Expr *> LHSExprs, | |||
5488 | ArrayRef<const Expr *> RHSExprs, | |||
5489 | ArrayRef<const Expr *> ReductionOps, | |||
5490 | ReductionOptionsTy Options) { | |||
5491 | if (!CGF.HaveInsertPoint()) | |||
5492 | return; | |||
5493 | ||||
5494 | bool WithNowait = Options.WithNowait; | |||
5495 | bool SimpleReduction = Options.SimpleReduction; | |||
5496 | ||||
5497 | // Next code should be emitted for reduction: | |||
5498 | // | |||
5499 | // static kmp_critical_name lock = { 0 }; | |||
5500 | // | |||
5501 | // void reduce_func(void *lhs[<n>], void *rhs[<n>]) { | |||
5502 | // *(Type0*)lhs[0] = ReductionOperation0(*(Type0*)lhs[0], *(Type0*)rhs[0]); | |||
5503 | // ... | |||
5504 | // *(Type<n>-1*)lhs[<n>-1] = ReductionOperation<n>-1(*(Type<n>-1*)lhs[<n>-1], | |||
5505 | // *(Type<n>-1*)rhs[<n>-1]); | |||
5506 | // } | |||
5507 | // | |||
5508 | // ... | |||
5509 | // void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; | |||
5510 | // switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | |||
5511 | // RedList, reduce_func, &<lock>)) { | |||
5512 | // case 1: | |||
5513 | // ... | |||
5514 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5515 | // ... | |||
5516 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5517 | // break; | |||
5518 | // case 2: | |||
5519 | // ... | |||
5520 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | |||
5521 | // ... | |||
5522 | // [__kmpc_end_reduce(<loc>, <gtid>, &<lock>);] | |||
5523 | // break; | |||
5524 | // default:; | |||
5525 | // } | |||
5526 | // | |||
5527 | // if SimpleReduction is true, only the next code is generated: | |||
5528 | // ... | |||
5529 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5530 | // ... | |||
5531 | ||||
5532 | ASTContext &C = CGM.getContext(); | |||
5533 | ||||
5534 | if (SimpleReduction) { | |||
5535 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
5536 | auto IPriv = Privates.begin(); | |||
5537 | auto ILHS = LHSExprs.begin(); | |||
5538 | auto IRHS = RHSExprs.begin(); | |||
5539 | for (const Expr *E : ReductionOps) { | |||
5540 | emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | |||
5541 | cast<DeclRefExpr>(*IRHS)); | |||
5542 | ++IPriv; | |||
5543 | ++ILHS; | |||
5544 | ++IRHS; | |||
5545 | } | |||
5546 | return; | |||
5547 | } | |||
5548 | ||||
5549 | // 1. Build a list of reduction variables. | |||
5550 | // void *RedList[<n>] = {<ReductionVars>[0], ..., <ReductionVars>[<n>-1]}; | |||
5551 | auto Size = RHSExprs.size(); | |||
5552 | for (const Expr *E : Privates) { | |||
5553 | if (E->getType()->isVariablyModifiedType()) | |||
5554 | // Reserve place for array size. | |||
5555 | ++Size; | |||
5556 | } | |||
5557 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, Size); | |||
5558 | QualType ReductionArrayTy = | |||
5559 | C.getConstantArrayType(C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | |||
5560 | /*IndexTypeQuals=*/0); | |||
5561 | Address ReductionList = | |||
5562 | CGF.CreateMemTemp(ReductionArrayTy, ".omp.reduction.red_list"); | |||
5563 | auto IPriv = Privates.begin(); | |||
5564 | unsigned Idx = 0; | |||
5565 | for (unsigned I = 0, E = RHSExprs.size(); I < E; ++I, ++IPriv, ++Idx) { | |||
5566 | Address Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | |||
5567 | CGF.Builder.CreateStore( | |||
5568 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5569 | CGF.EmitLValue(RHSExprs[I]).getPointer(CGF), CGF.VoidPtrTy), | |||
5570 | Elem); | |||
5571 | if ((*IPriv)->getType()->isVariablyModifiedType()) { | |||
5572 | // Store array size. | |||
5573 | ++Idx; | |||
5574 | Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | |||
5575 | llvm::Value *Size = CGF.Builder.CreateIntCast( | |||
5576 | CGF.getVLASize( | |||
5577 | CGF.getContext().getAsVariableArrayType((*IPriv)->getType())) | |||
5578 | .NumElts, | |||
5579 | CGF.SizeTy, /*isSigned=*/false); | |||
5580 | CGF.Builder.CreateStore(CGF.Builder.CreateIntToPtr(Size, CGF.VoidPtrTy), | |||
5581 | Elem); | |||
5582 | } | |||
5583 | } | |||
5584 | ||||
5585 | // 2. Emit reduce_func(). | |||
5586 | llvm::Function *ReductionFn = emitReductionFunction( | |||
5587 | Loc, CGF.ConvertTypeForMem(ReductionArrayTy)->getPointerTo(), Privates, | |||
5588 | LHSExprs, RHSExprs, ReductionOps); | |||
5589 | ||||
5590 | // 3. Create static kmp_critical_name lock = { 0 }; | |||
5591 | std::string Name = getName({"reduction"}); | |||
5592 | llvm::Value *Lock = getCriticalRegionLock(Name); | |||
5593 | ||||
5594 | // 4. Build res = __kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | |||
5595 | // RedList, reduce_func, &<lock>); | |||
5596 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc, OMP_ATOMIC_REDUCE); | |||
5597 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
5598 | llvm::Value *ReductionArrayTySize = CGF.getTypeSize(ReductionArrayTy); | |||
5599 | llvm::Value *RL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5600 | ReductionList.getPointer(), CGF.VoidPtrTy); | |||
5601 | llvm::Value *Args[] = { | |||
5602 | IdentTLoc, // ident_t *<loc> | |||
5603 | ThreadId, // i32 <gtid> | |||
5604 | CGF.Builder.getInt32(RHSExprs.size()), // i32 <n> | |||
5605 | ReductionArrayTySize, // size_type sizeof(RedList) | |||
5606 | RL, // void *RedList | |||
5607 | ReductionFn, // void (*) (void *, void *) <reduce_func> | |||
5608 | Lock // kmp_critical_name *&<lock> | |||
5609 | }; | |||
5610 | llvm::Value *Res = CGF.EmitRuntimeCall( | |||
5611 | OMPBuilder.getOrCreateRuntimeFunction( | |||
5612 | CGM.getModule(), | |||
5613 | WithNowait ? OMPRTL___kmpc_reduce_nowait : OMPRTL___kmpc_reduce), | |||
5614 | Args); | |||
5615 | ||||
5616 | // 5. Build switch(res) | |||
5617 | llvm::BasicBlock *DefaultBB = CGF.createBasicBlock(".omp.reduction.default"); | |||
5618 | llvm::SwitchInst *SwInst = | |||
5619 | CGF.Builder.CreateSwitch(Res, DefaultBB, /*NumCases=*/2); | |||
5620 | ||||
5621 | // 6. Build case 1: | |||
5622 | // ... | |||
5623 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5624 | // ... | |||
5625 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5626 | // break; | |||
5627 | llvm::BasicBlock *Case1BB = CGF.createBasicBlock(".omp.reduction.case1"); | |||
5628 | SwInst->addCase(CGF.Builder.getInt32(1), Case1BB); | |||
5629 | CGF.EmitBlock(Case1BB); | |||
5630 | ||||
5631 | // Add emission of __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5632 | llvm::Value *EndArgs[] = { | |||
5633 | IdentTLoc, // ident_t *<loc> | |||
5634 | ThreadId, // i32 <gtid> | |||
5635 | Lock // kmp_critical_name *&<lock> | |||
5636 | }; | |||
5637 | auto &&CodeGen = [Privates, LHSExprs, RHSExprs, ReductionOps]( | |||
5638 | CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5639 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
5640 | auto IPriv = Privates.begin(); | |||
5641 | auto ILHS = LHSExprs.begin(); | |||
5642 | auto IRHS = RHSExprs.begin(); | |||
5643 | for (const Expr *E : ReductionOps) { | |||
5644 | RT.emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | |||
5645 | cast<DeclRefExpr>(*IRHS)); | |||
5646 | ++IPriv; | |||
5647 | ++ILHS; | |||
5648 | ++IRHS; | |||
5649 | } | |||
5650 | }; | |||
5651 | RegionCodeGenTy RCG(CodeGen); | |||
5652 | CommonActionTy Action( | |||
5653 | nullptr, llvm::None, | |||
5654 | OMPBuilder.getOrCreateRuntimeFunction( | |||
5655 | CGM.getModule(), WithNowait ? OMPRTL___kmpc_end_reduce_nowait | |||
5656 | : OMPRTL___kmpc_end_reduce), | |||
5657 | EndArgs); | |||
5658 | RCG.setAction(Action); | |||
5659 | RCG(CGF); | |||
5660 | ||||
5661 | CGF.EmitBranch(DefaultBB); | |||
5662 | ||||
5663 | // 7. Build case 2: | |||
5664 | // ... | |||
5665 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | |||
5666 | // ... | |||
5667 | // break; | |||
5668 | llvm::BasicBlock *Case2BB = CGF.createBasicBlock(".omp.reduction.case2"); | |||
5669 | SwInst->addCase(CGF.Builder.getInt32(2), Case2BB); | |||
5670 | CGF.EmitBlock(Case2BB); | |||
5671 | ||||
5672 | auto &&AtomicCodeGen = [Loc, Privates, LHSExprs, RHSExprs, ReductionOps]( | |||
5673 | CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5674 | auto ILHS = LHSExprs.begin(); | |||
5675 | auto IRHS = RHSExprs.begin(); | |||
5676 | auto IPriv = Privates.begin(); | |||
5677 | for (const Expr *E : ReductionOps) { | |||
5678 | const Expr *XExpr = nullptr; | |||
5679 | const Expr *EExpr = nullptr; | |||
5680 | const Expr *UpExpr = nullptr; | |||
5681 | BinaryOperatorKind BO = BO_Comma; | |||
5682 | if (const auto *BO = dyn_cast<BinaryOperator>(E)) { | |||
5683 | if (BO->getOpcode() == BO_Assign) { | |||
5684 | XExpr = BO->getLHS(); | |||
5685 | UpExpr = BO->getRHS(); | |||
5686 | } | |||
5687 | } | |||
5688 | // Try to emit update expression as a simple atomic. | |||
5689 | const Expr *RHSExpr = UpExpr; | |||
5690 | if (RHSExpr) { | |||
5691 | // Analyze RHS part of the whole expression. | |||
5692 | if (const auto *ACO = dyn_cast<AbstractConditionalOperator>( | |||
5693 | RHSExpr->IgnoreParenImpCasts())) { | |||
5694 | // If this is a conditional operator, analyze its condition for | |||
5695 | // min/max reduction operator. | |||
5696 | RHSExpr = ACO->getCond(); | |||
5697 | } | |||
5698 | if (const auto *BORHS = | |||
5699 | dyn_cast<BinaryOperator>(RHSExpr->IgnoreParenImpCasts())) { | |||
5700 | EExpr = BORHS->getRHS(); | |||
5701 | BO = BORHS->getOpcode(); | |||
5702 | } | |||
5703 | } | |||
5704 | if (XExpr) { | |||
5705 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
5706 | auto &&AtomicRedGen = [BO, VD, | |||
5707 | Loc](CodeGenFunction &CGF, const Expr *XExpr, | |||
5708 | const Expr *EExpr, const Expr *UpExpr) { | |||
5709 | LValue X = CGF.EmitLValue(XExpr); | |||
5710 | RValue E; | |||
5711 | if (EExpr) | |||
5712 | E = CGF.EmitAnyExpr(EExpr); | |||
5713 | CGF.EmitOMPAtomicSimpleUpdateExpr( | |||
5714 | X, E, BO, /*IsXLHSInRHSPart=*/true, | |||
5715 | llvm::AtomicOrdering::Monotonic, Loc, | |||
5716 | [&CGF, UpExpr, VD, Loc](RValue XRValue) { | |||
5717 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
5718 | PrivateScope.addPrivate( | |||
5719 | VD, [&CGF, VD, XRValue, Loc]() { | |||
5720 | Address LHSTemp = CGF.CreateMemTemp(VD->getType()); | |||
5721 | CGF.emitOMPSimpleStore( | |||
5722 | CGF.MakeAddrLValue(LHSTemp, VD->getType()), XRValue, | |||
5723 | VD->getType().getNonReferenceType(), Loc); | |||
5724 | return LHSTemp; | |||
5725 | }); | |||
5726 | (void)PrivateScope.Privatize(); | |||
5727 | return CGF.EmitAnyExpr(UpExpr); | |||
5728 | }); | |||
5729 | }; | |||
5730 | if ((*IPriv)->getType()->isArrayType()) { | |||
5731 | // Emit atomic reduction for array section. | |||
5732 | const auto *RHSVar = | |||
5733 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
5734 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), VD, RHSVar, | |||
5735 | AtomicRedGen, XExpr, EExpr, UpExpr); | |||
5736 | } else { | |||
5737 | // Emit atomic reduction for array subscript or single variable. | |||
5738 | AtomicRedGen(CGF, XExpr, EExpr, UpExpr); | |||
5739 | } | |||
5740 | } else { | |||
5741 | // Emit as a critical region. | |||
5742 | auto &&CritRedGen = [E, Loc](CodeGenFunction &CGF, const Expr *, | |||
5743 | const Expr *, const Expr *) { | |||
5744 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
5745 | std::string Name = RT.getName({"atomic_reduction"}); | |||
5746 | RT.emitCriticalRegion( | |||
5747 | CGF, Name, | |||
5748 | [=](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5749 | Action.Enter(CGF); | |||
5750 | emitReductionCombiner(CGF, E); | |||
5751 | }, | |||
5752 | Loc); | |||
5753 | }; | |||
5754 | if ((*IPriv)->getType()->isArrayType()) { | |||
5755 | const auto *LHSVar = | |||
5756 | cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
5757 | const auto *RHSVar = | |||
5758 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
5759 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), LHSVar, RHSVar, | |||
5760 | CritRedGen); | |||
5761 | } else { | |||
5762 | CritRedGen(CGF, nullptr, nullptr, nullptr); | |||
5763 | } | |||
5764 | } | |||
5765 | ++ILHS; | |||
5766 | ++IRHS; | |||
5767 | ++IPriv; | |||
5768 | } | |||
5769 | }; | |||
5770 | RegionCodeGenTy AtomicRCG(AtomicCodeGen); | |||
5771 | if (!WithNowait) { | |||
5772 | // Add emission of __kmpc_end_reduce(<loc>, <gtid>, &<lock>); | |||
5773 | llvm::Value *EndArgs[] = { | |||
5774 | IdentTLoc, // ident_t *<loc> | |||
5775 | ThreadId, // i32 <gtid> | |||
5776 | Lock // kmp_critical_name *&<lock> | |||
5777 | }; | |||
5778 | CommonActionTy Action(nullptr, llvm::None, | |||
5779 | OMPBuilder.getOrCreateRuntimeFunction( | |||
5780 | CGM.getModule(), OMPRTL___kmpc_end_reduce), | |||
5781 | EndArgs); | |||
5782 | AtomicRCG.setAction(Action); | |||
5783 | AtomicRCG(CGF); | |||
5784 | } else { | |||
5785 | AtomicRCG(CGF); | |||
5786 | } | |||
5787 | ||||
5788 | CGF.EmitBranch(DefaultBB); | |||
5789 | CGF.EmitBlock(DefaultBB, /*IsFinished=*/true); | |||
5790 | } | |||
5791 | ||||
5792 | /// Generates unique name for artificial threadprivate variables. | |||
5793 | /// Format is: <Prefix> "." <Decl_mangled_name> "_" "<Decl_start_loc_raw_enc>" | |||
5794 | static std::string generateUniqueName(CodeGenModule &CGM, StringRef Prefix, | |||
5795 | const Expr *Ref) { | |||
5796 | SmallString<256> Buffer; | |||
5797 | llvm::raw_svector_ostream Out(Buffer); | |||
5798 | const clang::DeclRefExpr *DE; | |||
5799 | const VarDecl *D = ::getBaseDecl(Ref, DE); | |||
5800 | if (!D) | |||
5801 | D = cast<VarDecl>(cast<DeclRefExpr>(Ref)->getDecl()); | |||
5802 | D = D->getCanonicalDecl(); | |||
5803 | std::string Name = CGM.getOpenMPRuntime().getName( | |||
5804 | {D->isLocalVarDeclOrParm() ? D->getName() : CGM.getMangledName(D)}); | |||
5805 | Out << Prefix << Name << "_" | |||
5806 | << D->getCanonicalDecl()->getBeginLoc().getRawEncoding(); | |||
5807 | return std::string(Out.str()); | |||
5808 | } | |||
5809 | ||||
5810 | /// Emits reduction initializer function: | |||
5811 | /// \code | |||
5812 | /// void @.red_init(void* %arg, void* %orig) { | |||
5813 | /// %0 = bitcast void* %arg to <type>* | |||
5814 | /// store <type> <init>, <type>* %0 | |||
5815 | /// ret void | |||
5816 | /// } | |||
5817 | /// \endcode | |||
5818 | static llvm::Value *emitReduceInitFunction(CodeGenModule &CGM, | |||
5819 | SourceLocation Loc, | |||
5820 | ReductionCodeGen &RCG, unsigned N) { | |||
5821 | ASTContext &C = CGM.getContext(); | |||
5822 | QualType VoidPtrTy = C.VoidPtrTy; | |||
5823 | VoidPtrTy.addRestrict(); | |||
5824 | FunctionArgList Args; | |||
5825 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | |||
5826 | ImplicitParamDecl::Other); | |||
5827 | ImplicitParamDecl ParamOrig(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, VoidPtrTy, | |||
5828 | ImplicitParamDecl::Other); | |||
5829 | Args.emplace_back(&Param); | |||
5830 | Args.emplace_back(&ParamOrig); | |||
5831 | const auto &FnInfo = | |||
5832 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
5833 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
5834 | std::string Name = CGM.getOpenMPRuntime().getName({"red_init", ""}); | |||
5835 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
5836 | Name, &CGM.getModule()); | |||
5837 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
5838 | Fn->setDoesNotRecurse(); | |||
5839 | CodeGenFunction CGF(CGM); | |||
5840 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
5841 | Address PrivateAddr = CGF.EmitLoadOfPointer( | |||
5842 | CGF.GetAddrOfLocalVar(&Param), | |||
5843 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5844 | llvm::Value *Size = nullptr; | |||
5845 | // If the size of the reduction item is non-constant, load it from global | |||
5846 | // threadprivate variable. | |||
5847 | if (RCG.getSizes(N).second) { | |||
5848 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
5849 | CGF, CGM.getContext().getSizeType(), | |||
5850 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
5851 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
5852 | CGM.getContext().getSizeType(), Loc); | |||
5853 | } | |||
5854 | RCG.emitAggregateType(CGF, N, Size); | |||
5855 | LValue OrigLVal; | |||
5856 | // If initializer uses initializer from declare reduction construct, emit a | |||
5857 | // pointer to the address of the original reduction item (reuired by reduction | |||
5858 | // initializer) | |||
5859 | if (RCG.usesReductionInitializer(N)) { | |||
5860 | Address SharedAddr = CGF.GetAddrOfLocalVar(&ParamOrig); | |||
5861 | SharedAddr = CGF.EmitLoadOfPointer( | |||
5862 | SharedAddr, | |||
5863 | CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr()); | |||
5864 | OrigLVal = CGF.MakeAddrLValue(SharedAddr, CGM.getContext().VoidPtrTy); | |||
5865 | } else { | |||
5866 | OrigLVal = CGF.MakeNaturalAlignAddrLValue( | |||
5867 | llvm::ConstantPointerNull::get(CGM.VoidPtrTy), | |||
5868 | CGM.getContext().VoidPtrTy); | |||
5869 | } | |||
5870 | // Emit the initializer: | |||
5871 | // %0 = bitcast void* %arg to <type>* | |||
5872 | // store <type> <init>, <type>* %0 | |||
5873 | RCG.emitInitialization(CGF, N, PrivateAddr, OrigLVal, | |||
5874 | [](CodeGenFunction &) { return false; }); | |||
5875 | CGF.FinishFunction(); | |||
5876 | return Fn; | |||
5877 | } | |||
5878 | ||||
5879 | /// Emits reduction combiner function: | |||
5880 | /// \code | |||
5881 | /// void @.red_comb(void* %arg0, void* %arg1) { | |||
5882 | /// %lhs = bitcast void* %arg0 to <type>* | |||
5883 | /// %rhs = bitcast void* %arg1 to <type>* | |||
5884 | /// %2 = <ReductionOp>(<type>* %lhs, <type>* %rhs) | |||
5885 | /// store <type> %2, <type>* %lhs | |||
5886 | /// ret void | |||
5887 | /// } | |||
5888 | /// \endcode | |||
5889 | static llvm::Value *emitReduceCombFunction(CodeGenModule &CGM, | |||
5890 | SourceLocation Loc, | |||
5891 | ReductionCodeGen &RCG, unsigned N, | |||
5892 | const Expr *ReductionOp, | |||
5893 | const Expr *LHS, const Expr *RHS, | |||
5894 | const Expr *PrivateRef) { | |||
5895 | ASTContext &C = CGM.getContext(); | |||
5896 | const auto *LHSVD = cast<VarDecl>(cast<DeclRefExpr>(LHS)->getDecl()); | |||
5897 | const auto *RHSVD = cast<VarDecl>(cast<DeclRefExpr>(RHS)->getDecl()); | |||
5898 | FunctionArgList Args; | |||
5899 | ImplicitParamDecl ParamInOut(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
5900 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
5901 | ImplicitParamDecl ParamIn(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5902 | ImplicitParamDecl::Other); | |||
5903 | Args.emplace_back(&ParamInOut); | |||
5904 | Args.emplace_back(&ParamIn); | |||
5905 | const auto &FnInfo = | |||
5906 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
5907 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
5908 | std::string Name = CGM.getOpenMPRuntime().getName({"red_comb", ""}); | |||
5909 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
5910 | Name, &CGM.getModule()); | |||
5911 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
5912 | Fn->setDoesNotRecurse(); | |||
5913 | CodeGenFunction CGF(CGM); | |||
5914 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
5915 | llvm::Value *Size = nullptr; | |||
5916 | // If the size of the reduction item is non-constant, load it from global | |||
5917 | // threadprivate variable. | |||
5918 | if (RCG.getSizes(N).second) { | |||
5919 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
5920 | CGF, CGM.getContext().getSizeType(), | |||
5921 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
5922 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
5923 | CGM.getContext().getSizeType(), Loc); | |||
5924 | } | |||
5925 | RCG.emitAggregateType(CGF, N, Size); | |||
5926 | // Remap lhs and rhs variables to the addresses of the function arguments. | |||
5927 | // %lhs = bitcast void* %arg0 to <type>* | |||
5928 | // %rhs = bitcast void* %arg1 to <type>* | |||
5929 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
5930 | PrivateScope.addPrivate(LHSVD, [&C, &CGF, &ParamInOut, LHSVD]() { | |||
5931 | // Pull out the pointer to the variable. | |||
5932 | Address PtrAddr = CGF.EmitLoadOfPointer( | |||
5933 | CGF.GetAddrOfLocalVar(&ParamInOut), | |||
5934 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5935 | return CGF.Builder.CreateElementBitCast( | |||
5936 | PtrAddr, CGF.ConvertTypeForMem(LHSVD->getType())); | |||
5937 | }); | |||
5938 | PrivateScope.addPrivate(RHSVD, [&C, &CGF, &ParamIn, RHSVD]() { | |||
5939 | // Pull out the pointer to the variable. | |||
5940 | Address PtrAddr = CGF.EmitLoadOfPointer( | |||
5941 | CGF.GetAddrOfLocalVar(&ParamIn), | |||
5942 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5943 | return CGF.Builder.CreateElementBitCast( | |||
5944 | PtrAddr, CGF.ConvertTypeForMem(RHSVD->getType())); | |||
5945 | }); | |||
5946 | PrivateScope.Privatize(); | |||
5947 | // Emit the combiner body: | |||
5948 | // %2 = <ReductionOp>(<type> *%lhs, <type> *%rhs) | |||
5949 | // store <type> %2, <type>* %lhs | |||
5950 | CGM.getOpenMPRuntime().emitSingleReductionCombiner( | |||
5951 | CGF, ReductionOp, PrivateRef, cast<DeclRefExpr>(LHS), | |||
5952 | cast<DeclRefExpr>(RHS)); | |||
5953 | CGF.FinishFunction(); | |||
5954 | return Fn; | |||
5955 | } | |||
5956 | ||||
5957 | /// Emits reduction finalizer function: | |||
5958 | /// \code | |||
5959 | /// void @.red_fini(void* %arg) { | |||
5960 | /// %0 = bitcast void* %arg to <type>* | |||
5961 | /// <destroy>(<type>* %0) | |||
5962 | /// ret void | |||
5963 | /// } | |||
5964 | /// \endcode | |||
5965 | static llvm::Value *emitReduceFiniFunction(CodeGenModule &CGM, | |||
5966 | SourceLocation Loc, | |||
5967 | ReductionCodeGen &RCG, unsigned N) { | |||
5968 | if (!RCG.needCleanups(N)) | |||
5969 | return nullptr; | |||
5970 | ASTContext &C = CGM.getContext(); | |||
5971 | FunctionArgList Args; | |||
5972 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5973 | ImplicitParamDecl::Other); | |||
5974 | Args.emplace_back(&Param); | |||
5975 | const auto &FnInfo = | |||
5976 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
5977 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
5978 | std::string Name = CGM.getOpenMPRuntime().getName({"red_fini", ""}); | |||
5979 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
5980 | Name, &CGM.getModule()); | |||
5981 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
5982 | Fn->setDoesNotRecurse(); | |||
5983 | CodeGenFunction CGF(CGM); | |||
5984 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
5985 | Address PrivateAddr = CGF.EmitLoadOfPointer( | |||
5986 | CGF.GetAddrOfLocalVar(&Param), | |||
5987 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5988 | llvm::Value *Size = nullptr; | |||
5989 | // If the size of the reduction item is non-constant, load it from global | |||
5990 | // threadprivate variable. | |||
5991 | if (RCG.getSizes(N).second) { | |||
5992 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
5993 | CGF, CGM.getContext().getSizeType(), | |||
5994 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
5995 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
5996 | CGM.getContext().getSizeType(), Loc); | |||
5997 | } | |||
5998 | RCG.emitAggregateType(CGF, N, Size); | |||
5999 | // Emit the finalizer body: | |||
6000 | // <destroy>(<type>* %0) | |||
6001 | RCG.emitCleanups(CGF, N, PrivateAddr); | |||
6002 | CGF.FinishFunction(Loc); | |||
6003 | return Fn; | |||
6004 | } | |||
6005 | ||||
6006 | llvm::Value *CGOpenMPRuntime::emitTaskReductionInit( | |||
6007 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | |||
6008 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | |||
6009 | if (!CGF.HaveInsertPoint() || Data.ReductionVars.empty()) | |||
6010 | return nullptr; | |||
6011 | ||||
6012 | // Build typedef struct: | |||
6013 | // kmp_taskred_input { | |||
6014 | // void *reduce_shar; // shared reduction item | |||
6015 | // void *reduce_orig; // original reduction item used for initialization | |||
6016 | // size_t reduce_size; // size of data item | |||
6017 | // void *reduce_init; // data initialization routine | |||
6018 | // void *reduce_fini; // data finalization routine | |||
6019 | // void *reduce_comb; // data combiner routine | |||
6020 | // kmp_task_red_flags_t flags; // flags for additional info from compiler | |||
6021 | // } kmp_taskred_input_t; | |||
6022 | ASTContext &C = CGM.getContext(); | |||
6023 | RecordDecl *RD = C.buildImplicitRecord("kmp_taskred_input_t"); | |||
6024 | RD->startDefinition(); | |||
6025 | const FieldDecl *SharedFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6026 | const FieldDecl *OrigFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6027 | const FieldDecl *SizeFD = addFieldToRecordDecl(C, RD, C.getSizeType()); | |||
6028 | const FieldDecl *InitFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6029 | const FieldDecl *FiniFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6030 | const FieldDecl *CombFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6031 | const FieldDecl *FlagsFD = addFieldToRecordDecl( | |||
6032 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/false)); | |||
6033 | RD->completeDefinition(); | |||
6034 | QualType RDType = C.getRecordType(RD); | |||
6035 | unsigned Size = Data.ReductionVars.size(); | |||
6036 | llvm::APInt ArraySize(/*numBits=*/64, Size); | |||
6037 | QualType ArrayRDType = C.getConstantArrayType( | |||
6038 | RDType, ArraySize, nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
6039 | // kmp_task_red_input_t .rd_input.[Size]; | |||
6040 | Address TaskRedInput = CGF.CreateMemTemp(ArrayRDType, ".rd_input."); | |||
6041 | ReductionCodeGen RCG(Data.ReductionVars, Data.ReductionOrigs, | |||
6042 | Data.ReductionCopies, Data.ReductionOps); | |||
6043 | for (unsigned Cnt = 0; Cnt < Size; ++Cnt) { | |||
6044 | // kmp_task_red_input_t &ElemLVal = .rd_input.[Cnt]; | |||
6045 | llvm::Value *Idxs[] = {llvm::ConstantInt::get(CGM.SizeTy, /*V=*/0), | |||
6046 | llvm::ConstantInt::get(CGM.SizeTy, Cnt)}; | |||
6047 | llvm::Value *GEP = CGF.EmitCheckedInBoundsGEP( | |||
6048 | TaskRedInput.getPointer(), Idxs, | |||
6049 | /*SignedIndices=*/false, /*IsSubtraction=*/false, Loc, | |||
6050 | ".rd_input.gep."); | |||
6051 | LValue ElemLVal = CGF.MakeNaturalAlignAddrLValue(GEP, RDType); | |||
6052 | // ElemLVal.reduce_shar = &Shareds[Cnt]; | |||
6053 | LValue SharedLVal = CGF.EmitLValueForField(ElemLVal, SharedFD); | |||
6054 | RCG.emitSharedOrigLValue(CGF, Cnt); | |||
6055 | llvm::Value *CastedShared = | |||
6056 | CGF.EmitCastToVoidPtr(RCG.getSharedLValue(Cnt).getPointer(CGF)); | |||
6057 | CGF.EmitStoreOfScalar(CastedShared, SharedLVal); | |||
6058 | // ElemLVal.reduce_orig = &Origs[Cnt]; | |||
6059 | LValue OrigLVal = CGF.EmitLValueForField(ElemLVal, OrigFD); | |||
6060 | llvm::Value *CastedOrig = | |||
6061 | CGF.EmitCastToVoidPtr(RCG.getOrigLValue(Cnt).getPointer(CGF)); | |||
6062 | CGF.EmitStoreOfScalar(CastedOrig, OrigLVal); | |||
6063 | RCG.emitAggregateType(CGF, Cnt); | |||
6064 | llvm::Value *SizeValInChars; | |||
6065 | llvm::Value *SizeVal; | |||
6066 | std::tie(SizeValInChars, SizeVal) = RCG.getSizes(Cnt); | |||
6067 | // We use delayed creation/initialization for VLAs and array sections. It is | |||
6068 | // required because runtime does not provide the way to pass the sizes of | |||
6069 | // VLAs/array sections to initializer/combiner/finalizer functions. Instead | |||
6070 | // threadprivate global variables are used to store these values and use | |||
6071 | // them in the functions. | |||
6072 | bool DelayedCreation = !!SizeVal; | |||
6073 | SizeValInChars = CGF.Builder.CreateIntCast(SizeValInChars, CGM.SizeTy, | |||
6074 | /*isSigned=*/false); | |||
6075 | LValue SizeLVal = CGF.EmitLValueForField(ElemLVal, SizeFD); | |||
6076 | CGF.EmitStoreOfScalar(SizeValInChars, SizeLVal); | |||
6077 | // ElemLVal.reduce_init = init; | |||
6078 | LValue InitLVal = CGF.EmitLValueForField(ElemLVal, InitFD); | |||
6079 | llvm::Value *InitAddr = | |||
6080 | CGF.EmitCastToVoidPtr(emitReduceInitFunction(CGM, Loc, RCG, Cnt)); | |||
6081 | CGF.EmitStoreOfScalar(InitAddr, InitLVal); | |||
6082 | // ElemLVal.reduce_fini = fini; | |||
6083 | LValue FiniLVal = CGF.EmitLValueForField(ElemLVal, FiniFD); | |||
6084 | llvm::Value *Fini = emitReduceFiniFunction(CGM, Loc, RCG, Cnt); | |||
6085 | llvm::Value *FiniAddr = Fini | |||
6086 | ? CGF.EmitCastToVoidPtr(Fini) | |||
6087 | : llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | |||
6088 | CGF.EmitStoreOfScalar(FiniAddr, FiniLVal); | |||
6089 | // ElemLVal.reduce_comb = comb; | |||
6090 | LValue CombLVal = CGF.EmitLValueForField(ElemLVal, CombFD); | |||
6091 | llvm::Value *CombAddr = CGF.EmitCastToVoidPtr(emitReduceCombFunction( | |||
6092 | CGM, Loc, RCG, Cnt, Data.ReductionOps[Cnt], LHSExprs[Cnt], | |||
6093 | RHSExprs[Cnt], Data.ReductionCopies[Cnt])); | |||
6094 | CGF.EmitStoreOfScalar(CombAddr, CombLVal); | |||
6095 | // ElemLVal.flags = 0; | |||
6096 | LValue FlagsLVal = CGF.EmitLValueForField(ElemLVal, FlagsFD); | |||
6097 | if (DelayedCreation) { | |||
6098 | CGF.EmitStoreOfScalar( | |||
6099 | llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*isSigned=*/true), | |||
6100 | FlagsLVal); | |||
6101 | } else | |||
6102 | CGF.EmitNullInitialization(FlagsLVal.getAddress(CGF), | |||
6103 | FlagsLVal.getType()); | |||
6104 | } | |||
6105 | if (Data.IsReductionWithTaskMod) { | |||
6106 | // Build call void *__kmpc_taskred_modifier_init(ident_t *loc, int gtid, int | |||
6107 | // is_ws, int num, void *data); | |||
6108 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc); | |||
6109 | llvm::Value *GTid = CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | |||
6110 | CGM.IntTy, /*isSigned=*/true); | |||
6111 | llvm::Value *Args[] = { | |||
6112 | IdentTLoc, GTid, | |||
6113 | llvm::ConstantInt::get(CGM.IntTy, Data.IsWorksharingReduction ? 1 : 0, | |||
6114 | /*isSigned=*/true), | |||
6115 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | |||
6116 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
6117 | TaskRedInput.getPointer(), CGM.VoidPtrTy)}; | |||
6118 | return CGF.EmitRuntimeCall( | |||
6119 | OMPBuilder.getOrCreateRuntimeFunction( | |||
6120 | CGM.getModule(), OMPRTL___kmpc_taskred_modifier_init), | |||
6121 | Args); | |||
6122 | } | |||
6123 | // Build call void *__kmpc_taskred_init(int gtid, int num_data, void *data); | |||
6124 | llvm::Value *Args[] = { | |||
6125 | CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), CGM.IntTy, | |||
6126 | /*isSigned=*/true), | |||
6127 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | |||
6128 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(TaskRedInput.getPointer(), | |||
6129 | CGM.VoidPtrTy)}; | |||
6130 | return CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
6131 | CGM.getModule(), OMPRTL___kmpc_taskred_init), | |||
6132 | Args); | |||
6133 | } | |||
6134 | ||||
6135 | void CGOpenMPRuntime::emitTaskReductionFini(CodeGenFunction &CGF, | |||
6136 | SourceLocation Loc, | |||
6137 | bool IsWorksharingReduction) { | |||
6138 | // Build call void *__kmpc_taskred_modifier_init(ident_t *loc, int gtid, int | |||
6139 | // is_ws, int num, void *data); | |||
6140 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc); | |||
6141 | llvm::Value *GTid = CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | |||
6142 | CGM.IntTy, /*isSigned=*/true); | |||
6143 | llvm::Value *Args[] = {IdentTLoc, GTid, | |||
6144 | llvm::ConstantInt::get(CGM.IntTy, | |||
6145 | IsWorksharingReduction ? 1 : 0, | |||
6146 | /*isSigned=*/true)}; | |||
6147 | (void)CGF.EmitRuntimeCall( | |||
6148 | OMPBuilder.getOrCreateRuntimeFunction( | |||
6149 | CGM.getModule(), OMPRTL___kmpc_task_reduction_modifier_fini), | |||
6150 | Args); | |||
6151 | } | |||
6152 | ||||
6153 | void CGOpenMPRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | |||
6154 | SourceLocation Loc, | |||
6155 | ReductionCodeGen &RCG, | |||
6156 | unsigned N) { | |||
6157 | auto Sizes = RCG.getSizes(N); | |||
6158 | // Emit threadprivate global variable if the type is non-constant | |||
6159 | // (Sizes.second = nullptr). | |||
6160 | if (Sizes.second) { | |||
6161 | llvm::Value *SizeVal = CGF.Builder.CreateIntCast(Sizes.second, CGM.SizeTy, | |||
6162 | /*isSigned=*/false); | |||
6163 | Address SizeAddr = getAddrOfArtificialThreadPrivate( | |||
6164 | CGF, CGM.getContext().getSizeType(), | |||
6165 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
6166 | CGF.Builder.CreateStore(SizeVal, SizeAddr, /*IsVolatile=*/false); | |||
6167 | } | |||
6168 | } | |||
6169 | ||||
6170 | Address CGOpenMPRuntime::getTaskReductionItem(CodeGenFunction &CGF, | |||
6171 | SourceLocation Loc, | |||
6172 | llvm::Value *ReductionsPtr, | |||
6173 | LValue SharedLVal) { | |||
6174 | // Build call void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | |||
6175 | // *d); | |||
6176 | llvm::Value *Args[] = {CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | |||
6177 | CGM.IntTy, | |||
6178 | /*isSigned=*/true), | |||
6179 | ReductionsPtr, | |||
6180 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
6181 | SharedLVal.getPointer(CGF), CGM.VoidPtrTy)}; | |||
6182 | return Address( | |||
6183 | CGF.EmitRuntimeCall( | |||
6184 | OMPBuilder.getOrCreateRuntimeFunction( | |||
6185 | CGM.getModule(), OMPRTL___kmpc_task_reduction_get_th_data), | |||
6186 | Args), | |||
6187 | SharedLVal.getAlignment()); | |||
6188 | } | |||
6189 | ||||
6190 | void CGOpenMPRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | |||
6191 | SourceLocation Loc) { | |||
6192 | if (!CGF.HaveInsertPoint()) | |||
6193 | return; | |||
6194 | ||||
6195 | if (CGF.CGM.getLangOpts().OpenMPIRBuilder) { | |||
6196 | OMPBuilder.createTaskwait(CGF.Builder); | |||
6197 | } else { | |||
6198 | // Build call kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | |||
6199 | // global_tid); | |||
6200 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
6201 | // Ignore return result until untied tasks are supported. | |||
6202 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
6203 | CGM.getModule(), OMPRTL___kmpc_omp_taskwait), | |||
6204 | Args); | |||
6205 | } | |||
6206 | ||||
6207 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
6208 | Region->emitUntiedSwitch(CGF); | |||
6209 | } | |||
6210 | ||||
6211 | void CGOpenMPRuntime::emitInlinedDirective(CodeGenFunction &CGF, | |||
6212 | OpenMPDirectiveKind InnerKind, | |||
6213 | const RegionCodeGenTy &CodeGen, | |||
6214 | bool HasCancel) { | |||
6215 | if (!CGF.HaveInsertPoint()) | |||
6216 | return; | |||
6217 | InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel); | |||
6218 | CGF.CapturedStmtInfo->EmitBody(CGF, /*S=*/nullptr); | |||
6219 | } | |||
6220 | ||||
6221 | namespace { | |||
6222 | enum RTCancelKind { | |||
6223 | CancelNoreq = 0, | |||
6224 | CancelParallel = 1, | |||
6225 | CancelLoop = 2, | |||
6226 | CancelSections = 3, | |||
6227 | CancelTaskgroup = 4 | |||
6228 | }; | |||
6229 | } // anonymous namespace | |||
6230 | ||||
6231 | static RTCancelKind getCancellationKind(OpenMPDirectiveKind CancelRegion) { | |||
6232 | RTCancelKind CancelKind = CancelNoreq; | |||
6233 | if (CancelRegion == OMPD_parallel) | |||
6234 | CancelKind = CancelParallel; | |||
6235 | else if (CancelRegion == OMPD_for) | |||
6236 | CancelKind = CancelLoop; | |||
6237 | else if (CancelRegion == OMPD_sections) | |||
6238 | CancelKind = CancelSections; | |||
6239 | else { | |||
6240 | assert(CancelRegion == OMPD_taskgroup)((CancelRegion == OMPD_taskgroup) ? static_cast<void> ( 0) : __assert_fail ("CancelRegion == OMPD_taskgroup", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6240, __PRETTY_FUNCTION__)); | |||
6241 | CancelKind = CancelTaskgroup; | |||
6242 | } | |||
6243 | return CancelKind; | |||
6244 | } | |||
6245 | ||||
6246 | void CGOpenMPRuntime::emitCancellationPointCall( | |||
6247 | CodeGenFunction &CGF, SourceLocation Loc, | |||
6248 | OpenMPDirectiveKind CancelRegion) { | |||
6249 | if (!CGF.HaveInsertPoint()) | |||
6250 | return; | |||
6251 | // Build call kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | |||
6252 | // global_tid, kmp_int32 cncl_kind); | |||
6253 | if (auto *OMPRegionInfo = | |||
6254 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
6255 | // For 'cancellation point taskgroup', the task region info may not have a | |||
6256 | // cancel. This may instead happen in another adjacent task. | |||
6257 | if (CancelRegion == OMPD_taskgroup || OMPRegionInfo->hasCancel()) { | |||
6258 | llvm::Value *Args[] = { | |||
6259 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
6260 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | |||
6261 | // Ignore return result until untied tasks are supported. | |||
6262 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
6263 | OMPBuilder.getOrCreateRuntimeFunction( | |||
6264 | CGM.getModule(), OMPRTL___kmpc_cancellationpoint), | |||
6265 | Args); | |||
6266 | // if (__kmpc_cancellationpoint()) { | |||
6267 | // exit from construct; | |||
6268 | // } | |||
6269 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
6270 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
6271 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
6272 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
6273 | CGF.EmitBlock(ExitBB); | |||
6274 | // exit from construct; | |||
6275 | CodeGenFunction::JumpDest CancelDest = | |||
6276 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
6277 | CGF.EmitBranchThroughCleanup(CancelDest); | |||
6278 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
6279 | } | |||
6280 | } | |||
6281 | } | |||
6282 | ||||
6283 | void CGOpenMPRuntime::emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
6284 | const Expr *IfCond, | |||
6285 | OpenMPDirectiveKind CancelRegion) { | |||
6286 | if (!CGF.HaveInsertPoint()) | |||
6287 | return; | |||
6288 | // Build call kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | |||
6289 | // kmp_int32 cncl_kind); | |||
6290 | auto &M = CGM.getModule(); | |||
6291 | if (auto *OMPRegionInfo = | |||
6292 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
6293 | auto &&ThenGen = [this, &M, Loc, CancelRegion, | |||
6294 | OMPRegionInfo](CodeGenFunction &CGF, PrePostActionTy &) { | |||
6295 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
6296 | llvm::Value *Args[] = { | |||
6297 | RT.emitUpdateLocation(CGF, Loc), RT.getThreadID(CGF, Loc), | |||
6298 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | |||
6299 | // Ignore return result until untied tasks are supported. | |||
6300 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
6301 | OMPBuilder.getOrCreateRuntimeFunction(M, OMPRTL___kmpc_cancel), Args); | |||
6302 | // if (__kmpc_cancel()) { | |||
6303 | // exit from construct; | |||
6304 | // } | |||
6305 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
6306 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
6307 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
6308 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
6309 | CGF.EmitBlock(ExitBB); | |||
6310 | // exit from construct; | |||
6311 | CodeGenFunction::JumpDest CancelDest = | |||
6312 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
6313 | CGF.EmitBranchThroughCleanup(CancelDest); | |||
6314 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
6315 | }; | |||
6316 | if (IfCond) { | |||
6317 | emitIfClause(CGF, IfCond, ThenGen, | |||
6318 | [](CodeGenFunction &, PrePostActionTy &) {}); | |||
6319 | } else { | |||
6320 | RegionCodeGenTy ThenRCG(ThenGen); | |||
6321 | ThenRCG(CGF); | |||
6322 | } | |||
6323 | } | |||
6324 | } | |||
6325 | ||||
6326 | namespace { | |||
6327 | /// Cleanup action for uses_allocators support. | |||
6328 | class OMPUsesAllocatorsActionTy final : public PrePostActionTy { | |||
6329 | ArrayRef<std::pair<const Expr *, const Expr *>> Allocators; | |||
6330 | ||||
6331 | public: | |||
6332 | OMPUsesAllocatorsActionTy( | |||
6333 | ArrayRef<std::pair<const Expr *, const Expr *>> Allocators) | |||
6334 | : Allocators(Allocators) {} | |||
6335 | void Enter(CodeGenFunction &CGF) override { | |||
6336 | if (!CGF.HaveInsertPoint()) | |||
6337 | return; | |||
6338 | for (const auto &AllocatorData : Allocators) { | |||
6339 | CGF.CGM.getOpenMPRuntime().emitUsesAllocatorsInit( | |||
6340 | CGF, AllocatorData.first, AllocatorData.second); | |||
6341 | } | |||
6342 | } | |||
6343 | void Exit(CodeGenFunction &CGF) override { | |||
6344 | if (!CGF.HaveInsertPoint()) | |||
6345 | return; | |||
6346 | for (const auto &AllocatorData : Allocators) { | |||
6347 | CGF.CGM.getOpenMPRuntime().emitUsesAllocatorsFini(CGF, | |||
6348 | AllocatorData.first); | |||
6349 | } | |||
6350 | } | |||
6351 | }; | |||
6352 | } // namespace | |||
6353 | ||||
6354 | void CGOpenMPRuntime::emitTargetOutlinedFunction( | |||
6355 | const OMPExecutableDirective &D, StringRef ParentName, | |||
6356 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
6357 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
6358 | assert(!ParentName.empty() && "Invalid target region parent name!")((!ParentName.empty() && "Invalid target region parent name!" ) ? static_cast<void> (0) : __assert_fail ("!ParentName.empty() && \"Invalid target region parent name!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6358, __PRETTY_FUNCTION__)); | |||
6359 | HasEmittedTargetRegion = true; | |||
6360 | SmallVector<std::pair<const Expr *, const Expr *>, 4> Allocators; | |||
6361 | for (const auto *C : D.getClausesOfKind<OMPUsesAllocatorsClause>()) { | |||
6362 | for (unsigned I = 0, E = C->getNumberOfAllocators(); I < E; ++I) { | |||
6363 | const OMPUsesAllocatorsClause::Data D = C->getAllocatorData(I); | |||
6364 | if (!D.AllocatorTraits) | |||
6365 | continue; | |||
6366 | Allocators.emplace_back(D.Allocator, D.AllocatorTraits); | |||
6367 | } | |||
6368 | } | |||
6369 | OMPUsesAllocatorsActionTy UsesAllocatorAction(Allocators); | |||
6370 | CodeGen.setAction(UsesAllocatorAction); | |||
6371 | emitTargetOutlinedFunctionHelper(D, ParentName, OutlinedFn, OutlinedFnID, | |||
6372 | IsOffloadEntry, CodeGen); | |||
6373 | } | |||
6374 | ||||
6375 | void CGOpenMPRuntime::emitUsesAllocatorsInit(CodeGenFunction &CGF, | |||
6376 | const Expr *Allocator, | |||
6377 | const Expr *AllocatorTraits) { | |||
6378 | llvm::Value *ThreadId = getThreadID(CGF, Allocator->getExprLoc()); | |||
6379 | ThreadId = CGF.Builder.CreateIntCast(ThreadId, CGF.IntTy, /*isSigned=*/true); | |||
6380 | // Use default memspace handle. | |||
6381 | llvm::Value *MemSpaceHandle = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
6382 | llvm::Value *NumTraits = llvm::ConstantInt::get( | |||
6383 | CGF.IntTy, cast<ConstantArrayType>( | |||
6384 | AllocatorTraits->getType()->getAsArrayTypeUnsafe()) | |||
6385 | ->getSize() | |||
6386 | .getLimitedValue()); | |||
6387 | LValue AllocatorTraitsLVal = CGF.EmitLValue(AllocatorTraits); | |||
6388 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
6389 | AllocatorTraitsLVal.getAddress(CGF), CGF.VoidPtrPtrTy); | |||
6390 | AllocatorTraitsLVal = CGF.MakeAddrLValue(Addr, CGF.getContext().VoidPtrTy, | |||
6391 | AllocatorTraitsLVal.getBaseInfo(), | |||
6392 | AllocatorTraitsLVal.getTBAAInfo()); | |||
6393 | llvm::Value *Traits = | |||
6394 | CGF.EmitLoadOfScalar(AllocatorTraitsLVal, AllocatorTraits->getExprLoc()); | |||
6395 | ||||
6396 | llvm::Value *AllocatorVal = | |||
6397 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
6398 | CGM.getModule(), OMPRTL___kmpc_init_allocator), | |||
6399 | {ThreadId, MemSpaceHandle, NumTraits, Traits}); | |||
6400 | // Store to allocator. | |||
6401 | CGF.EmitVarDecl(*cast<VarDecl>( | |||
6402 | cast<DeclRefExpr>(Allocator->IgnoreParenImpCasts())->getDecl())); | |||
6403 | LValue AllocatorLVal = CGF.EmitLValue(Allocator->IgnoreParenImpCasts()); | |||
6404 | AllocatorVal = | |||
6405 | CGF.EmitScalarConversion(AllocatorVal, CGF.getContext().VoidPtrTy, | |||
6406 | Allocator->getType(), Allocator->getExprLoc()); | |||
6407 | CGF.EmitStoreOfScalar(AllocatorVal, AllocatorLVal); | |||
6408 | } | |||
6409 | ||||
6410 | void CGOpenMPRuntime::emitUsesAllocatorsFini(CodeGenFunction &CGF, | |||
6411 | const Expr *Allocator) { | |||
6412 | llvm::Value *ThreadId = getThreadID(CGF, Allocator->getExprLoc()); | |||
6413 | ThreadId = CGF.Builder.CreateIntCast(ThreadId, CGF.IntTy, /*isSigned=*/true); | |||
6414 | LValue AllocatorLVal = CGF.EmitLValue(Allocator->IgnoreParenImpCasts()); | |||
6415 | llvm::Value *AllocatorVal = | |||
6416 | CGF.EmitLoadOfScalar(AllocatorLVal, Allocator->getExprLoc()); | |||
6417 | AllocatorVal = CGF.EmitScalarConversion(AllocatorVal, Allocator->getType(), | |||
6418 | CGF.getContext().VoidPtrTy, | |||
6419 | Allocator->getExprLoc()); | |||
6420 | (void)CGF.EmitRuntimeCall( | |||
6421 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
6422 | OMPRTL___kmpc_destroy_allocator), | |||
6423 | {ThreadId, AllocatorVal}); | |||
6424 | } | |||
6425 | ||||
6426 | void CGOpenMPRuntime::emitTargetOutlinedFunctionHelper( | |||
6427 | const OMPExecutableDirective &D, StringRef ParentName, | |||
6428 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
6429 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
6430 | // Create a unique name for the entry function using the source location | |||
6431 | // information of the current target region. The name will be something like: | |||
6432 | // | |||
6433 | // __omp_offloading_DD_FFFF_PP_lBB | |||
6434 | // | |||
6435 | // where DD_FFFF is an ID unique to the file (device and file IDs), PP is the | |||
6436 | // mangled name of the function that encloses the target region and BB is the | |||
6437 | // line number of the target region. | |||
6438 | ||||
6439 | unsigned DeviceID; | |||
6440 | unsigned FileID; | |||
6441 | unsigned Line; | |||
6442 | getTargetEntryUniqueInfo(CGM.getContext(), D.getBeginLoc(), DeviceID, FileID, | |||
6443 | Line); | |||
6444 | SmallString<64> EntryFnName; | |||
6445 | { | |||
6446 | llvm::raw_svector_ostream OS(EntryFnName); | |||
6447 | OS << "__omp_offloading" << llvm::format("_%x", DeviceID) | |||
6448 | << llvm::format("_%x_", FileID) << ParentName << "_l" << Line; | |||
6449 | } | |||
6450 | ||||
6451 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | |||
6452 | ||||
6453 | CodeGenFunction CGF(CGM, true); | |||
6454 | CGOpenMPTargetRegionInfo CGInfo(CS, CodeGen, EntryFnName); | |||
6455 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6456 | ||||
6457 | OutlinedFn = CGF.GenerateOpenMPCapturedStmtFunction(CS, D.getBeginLoc()); | |||
6458 | ||||
6459 | // If this target outline function is not an offload entry, we don't need to | |||
6460 | // register it. | |||
6461 | if (!IsOffloadEntry) | |||
6462 | return; | |||
6463 | ||||
6464 | // The target region ID is used by the runtime library to identify the current | |||
6465 | // target region, so it only has to be unique and not necessarily point to | |||
6466 | // anything. It could be the pointer to the outlined function that implements | |||
6467 | // the target region, but we aren't using that so that the compiler doesn't | |||
6468 | // need to keep that, and could therefore inline the host function if proven | |||
6469 | // worthwhile during optimization. In the other hand, if emitting code for the | |||
6470 | // device, the ID has to be the function address so that it can retrieved from | |||
6471 | // the offloading entry and launched by the runtime library. We also mark the | |||
6472 | // outlined function to have external linkage in case we are emitting code for | |||
6473 | // the device, because these functions will be entry points to the device. | |||
6474 | ||||
6475 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
6476 | OutlinedFnID = llvm::ConstantExpr::getBitCast(OutlinedFn, CGM.Int8PtrTy); | |||
6477 | OutlinedFn->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | |||
6478 | OutlinedFn->setDSOLocal(false); | |||
6479 | if (CGM.getTriple().isAMDGCN()) | |||
6480 | OutlinedFn->setCallingConv(llvm::CallingConv::AMDGPU_KERNEL); | |||
6481 | } else { | |||
6482 | std::string Name = getName({EntryFnName, "region_id"}); | |||
6483 | OutlinedFnID = new llvm::GlobalVariable( | |||
6484 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
6485 | llvm::GlobalValue::WeakAnyLinkage, | |||
6486 | llvm::Constant::getNullValue(CGM.Int8Ty), Name); | |||
6487 | } | |||
6488 | ||||
6489 | // Register the information for the entry associated with this target region. | |||
6490 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
6491 | DeviceID, FileID, ParentName, Line, OutlinedFn, OutlinedFnID, | |||
6492 | OffloadEntriesInfoManagerTy::OMPTargetRegionEntryTargetRegion); | |||
6493 | } | |||
6494 | ||||
6495 | /// Checks if the expression is constant or does not have non-trivial function | |||
6496 | /// calls. | |||
6497 | static bool isTrivial(ASTContext &Ctx, const Expr * E) { | |||
6498 | // We can skip constant expressions. | |||
6499 | // We can skip expressions with trivial calls or simple expressions. | |||
6500 | return (E->isEvaluatable(Ctx, Expr::SE_AllowUndefinedBehavior) || | |||
6501 | !E->hasNonTrivialCall(Ctx)) && | |||
6502 | !E->HasSideEffects(Ctx, /*IncludePossibleEffects=*/true); | |||
6503 | } | |||
6504 | ||||
6505 | const Stmt *CGOpenMPRuntime::getSingleCompoundChild(ASTContext &Ctx, | |||
6506 | const Stmt *Body) { | |||
6507 | const Stmt *Child = Body->IgnoreContainers(); | |||
6508 | while (const auto *C = dyn_cast_or_null<CompoundStmt>(Child)) { | |||
6509 | Child = nullptr; | |||
6510 | for (const Stmt *S : C->body()) { | |||
6511 | if (const auto *E = dyn_cast<Expr>(S)) { | |||
6512 | if (isTrivial(Ctx, E)) | |||
6513 | continue; | |||
6514 | } | |||
6515 | // Some of the statements can be ignored. | |||
6516 | if (isa<AsmStmt>(S) || isa<NullStmt>(S) || isa<OMPFlushDirective>(S) || | |||
6517 | isa<OMPBarrierDirective>(S) || isa<OMPTaskyieldDirective>(S)) | |||
6518 | continue; | |||
6519 | // Analyze declarations. | |||
6520 | if (const auto *DS = dyn_cast<DeclStmt>(S)) { | |||
6521 | if (llvm::all_of(DS->decls(), [&Ctx](const Decl *D) { | |||
6522 | if (isa<EmptyDecl>(D) || isa<DeclContext>(D) || | |||
6523 | isa<TypeDecl>(D) || isa<PragmaCommentDecl>(D) || | |||
6524 | isa<PragmaDetectMismatchDecl>(D) || isa<UsingDecl>(D) || | |||
6525 | isa<UsingDirectiveDecl>(D) || | |||
6526 | isa<OMPDeclareReductionDecl>(D) || | |||
6527 | isa<OMPThreadPrivateDecl>(D) || isa<OMPAllocateDecl>(D)) | |||
6528 | return true; | |||
6529 | const auto *VD = dyn_cast<VarDecl>(D); | |||
6530 | if (!VD) | |||
6531 | return false; | |||
6532 | return VD->isConstexpr() || | |||
6533 | ((VD->getType().isTrivialType(Ctx) || | |||
6534 | VD->getType()->isReferenceType()) && | |||
6535 | (!VD->hasInit() || isTrivial(Ctx, VD->getInit()))); | |||
6536 | })) | |||
6537 | continue; | |||
6538 | } | |||
6539 | // Found multiple children - cannot get the one child only. | |||
6540 | if (Child) | |||
6541 | return nullptr; | |||
6542 | Child = S; | |||
6543 | } | |||
6544 | if (Child) | |||
6545 | Child = Child->IgnoreContainers(); | |||
6546 | } | |||
6547 | return Child; | |||
6548 | } | |||
6549 | ||||
6550 | /// Emit the number of teams for a target directive. Inspect the num_teams | |||
6551 | /// clause associated with a teams construct combined or closely nested | |||
6552 | /// with the target directive. | |||
6553 | /// | |||
6554 | /// Emit a team of size one for directives such as 'target parallel' that | |||
6555 | /// have no associated teams construct. | |||
6556 | /// | |||
6557 | /// Otherwise, return nullptr. | |||
6558 | static llvm::Value * | |||
6559 | emitNumTeamsForTargetDirective(CodeGenFunction &CGF, | |||
6560 | const OMPExecutableDirective &D) { | |||
6561 | assert(!CGF.getLangOpts().OpenMPIsDevice &&((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6563, __PRETTY_FUNCTION__)) | |||
6562 | "Clauses associated with the teams directive expected to be emitted "((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6563, __PRETTY_FUNCTION__)) | |||
6563 | "only for the host!")((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6563, __PRETTY_FUNCTION__)); | |||
6564 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | |||
6565 | assert(isOpenMPTargetExecutionDirective(DirectiveKind) &&((isOpenMPTargetExecutionDirective(DirectiveKind) && "Expected target-based executable directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6566, __PRETTY_FUNCTION__)) | |||
6566 | "Expected target-based executable directive.")((isOpenMPTargetExecutionDirective(DirectiveKind) && "Expected target-based executable directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6566, __PRETTY_FUNCTION__)); | |||
6567 | CGBuilderTy &Bld = CGF.Builder; | |||
6568 | switch (DirectiveKind) { | |||
6569 | case OMPD_target: { | |||
6570 | const auto *CS = D.getInnermostCapturedStmt(); | |||
6571 | const auto *Body = | |||
6572 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
6573 | const Stmt *ChildStmt = | |||
6574 | CGOpenMPRuntime::getSingleCompoundChild(CGF.getContext(), Body); | |||
6575 | if (const auto *NestedDir = | |||
6576 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
6577 | if (isOpenMPTeamsDirective(NestedDir->getDirectiveKind())) { | |||
6578 | if (NestedDir->hasClausesOfKind<OMPNumTeamsClause>()) { | |||
6579 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6580 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6581 | const Expr *NumTeams = | |||
6582 | NestedDir->getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | |||
6583 | llvm::Value *NumTeamsVal = | |||
6584 | CGF.EmitScalarExpr(NumTeams, | |||
6585 | /*IgnoreResultAssign*/ true); | |||
6586 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | |||
6587 | /*isSigned=*/true); | |||
6588 | } | |||
6589 | return Bld.getInt32(0); | |||
6590 | } | |||
6591 | if (isOpenMPParallelDirective(NestedDir->getDirectiveKind()) || | |||
6592 | isOpenMPSimdDirective(NestedDir->getDirectiveKind())) | |||
6593 | return Bld.getInt32(1); | |||
6594 | return Bld.getInt32(0); | |||
6595 | } | |||
6596 | return nullptr; | |||
6597 | } | |||
6598 | case OMPD_target_teams: | |||
6599 | case OMPD_target_teams_distribute: | |||
6600 | case OMPD_target_teams_distribute_simd: | |||
6601 | case OMPD_target_teams_distribute_parallel_for: | |||
6602 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
6603 | if (D.hasClausesOfKind<OMPNumTeamsClause>()) { | |||
6604 | CodeGenFunction::RunCleanupsScope NumTeamsScope(CGF); | |||
6605 | const Expr *NumTeams = | |||
6606 | D.getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | |||
6607 | llvm::Value *NumTeamsVal = | |||
6608 | CGF.EmitScalarExpr(NumTeams, | |||
6609 | /*IgnoreResultAssign*/ true); | |||
6610 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | |||
6611 | /*isSigned=*/true); | |||
6612 | } | |||
6613 | return Bld.getInt32(0); | |||
6614 | } | |||
6615 | case OMPD_target_parallel: | |||
6616 | case OMPD_target_parallel_for: | |||
6617 | case OMPD_target_parallel_for_simd: | |||
6618 | case OMPD_target_simd: | |||
6619 | return Bld.getInt32(1); | |||
6620 | case OMPD_parallel: | |||
6621 | case OMPD_for: | |||
6622 | case OMPD_parallel_for: | |||
6623 | case OMPD_parallel_master: | |||
6624 | case OMPD_parallel_sections: | |||
6625 | case OMPD_for_simd: | |||
6626 | case OMPD_parallel_for_simd: | |||
6627 | case OMPD_cancel: | |||
6628 | case OMPD_cancellation_point: | |||
6629 | case OMPD_ordered: | |||
6630 | case OMPD_threadprivate: | |||
6631 | case OMPD_allocate: | |||
6632 | case OMPD_task: | |||
6633 | case OMPD_simd: | |||
6634 | case OMPD_sections: | |||
6635 | case OMPD_section: | |||
6636 | case OMPD_single: | |||
6637 | case OMPD_master: | |||
6638 | case OMPD_critical: | |||
6639 | case OMPD_taskyield: | |||
6640 | case OMPD_barrier: | |||
6641 | case OMPD_taskwait: | |||
6642 | case OMPD_taskgroup: | |||
6643 | case OMPD_atomic: | |||
6644 | case OMPD_flush: | |||
6645 | case OMPD_depobj: | |||
6646 | case OMPD_scan: | |||
6647 | case OMPD_teams: | |||
6648 | case OMPD_target_data: | |||
6649 | case OMPD_target_exit_data: | |||
6650 | case OMPD_target_enter_data: | |||
6651 | case OMPD_distribute: | |||
6652 | case OMPD_distribute_simd: | |||
6653 | case OMPD_distribute_parallel_for: | |||
6654 | case OMPD_distribute_parallel_for_simd: | |||
6655 | case OMPD_teams_distribute: | |||
6656 | case OMPD_teams_distribute_simd: | |||
6657 | case OMPD_teams_distribute_parallel_for: | |||
6658 | case OMPD_teams_distribute_parallel_for_simd: | |||
6659 | case OMPD_target_update: | |||
6660 | case OMPD_declare_simd: | |||
6661 | case OMPD_declare_variant: | |||
6662 | case OMPD_begin_declare_variant: | |||
6663 | case OMPD_end_declare_variant: | |||
6664 | case OMPD_declare_target: | |||
6665 | case OMPD_end_declare_target: | |||
6666 | case OMPD_declare_reduction: | |||
6667 | case OMPD_declare_mapper: | |||
6668 | case OMPD_taskloop: | |||
6669 | case OMPD_taskloop_simd: | |||
6670 | case OMPD_master_taskloop: | |||
6671 | case OMPD_master_taskloop_simd: | |||
6672 | case OMPD_parallel_master_taskloop: | |||
6673 | case OMPD_parallel_master_taskloop_simd: | |||
6674 | case OMPD_requires: | |||
6675 | case OMPD_unknown: | |||
6676 | break; | |||
6677 | default: | |||
6678 | break; | |||
6679 | } | |||
6680 | llvm_unreachable("Unexpected directive kind.")::llvm::llvm_unreachable_internal("Unexpected directive kind." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6680); | |||
6681 | } | |||
6682 | ||||
6683 | static llvm::Value *getNumThreads(CodeGenFunction &CGF, const CapturedStmt *CS, | |||
6684 | llvm::Value *DefaultThreadLimitVal) { | |||
6685 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
6686 | CGF.getContext(), CS->getCapturedStmt()); | |||
6687 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
6688 | if (isOpenMPParallelDirective(Dir->getDirectiveKind())) { | |||
6689 | llvm::Value *NumThreads = nullptr; | |||
6690 | llvm::Value *CondVal = nullptr; | |||
6691 | // Handle if clause. If if clause present, the number of threads is | |||
6692 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | |||
6693 | if (Dir->hasClausesOfKind<OMPIfClause>()) { | |||
6694 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6695 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6696 | const OMPIfClause *IfClause = nullptr; | |||
6697 | for (const auto *C : Dir->getClausesOfKind<OMPIfClause>()) { | |||
6698 | if (C->getNameModifier() == OMPD_unknown || | |||
6699 | C->getNameModifier() == OMPD_parallel) { | |||
6700 | IfClause = C; | |||
6701 | break; | |||
6702 | } | |||
6703 | } | |||
6704 | if (IfClause) { | |||
6705 | const Expr *Cond = IfClause->getCondition(); | |||
6706 | bool Result; | |||
6707 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | |||
6708 | if (!Result) | |||
6709 | return CGF.Builder.getInt32(1); | |||
6710 | } else { | |||
6711 | CodeGenFunction::LexicalScope Scope(CGF, Cond->getSourceRange()); | |||
6712 | if (const auto *PreInit = | |||
6713 | cast_or_null<DeclStmt>(IfClause->getPreInitStmt())) { | |||
6714 | for (const auto *I : PreInit->decls()) { | |||
6715 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
6716 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
6717 | } else { | |||
6718 | CodeGenFunction::AutoVarEmission Emission = | |||
6719 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
6720 | CGF.EmitAutoVarCleanups(Emission); | |||
6721 | } | |||
6722 | } | |||
6723 | } | |||
6724 | CondVal = CGF.EvaluateExprAsBool(Cond); | |||
6725 | } | |||
6726 | } | |||
6727 | } | |||
6728 | // Check the value of num_threads clause iff if clause was not specified | |||
6729 | // or is not evaluated to false. | |||
6730 | if (Dir->hasClausesOfKind<OMPNumThreadsClause>()) { | |||
6731 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6732 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6733 | const auto *NumThreadsClause = | |||
6734 | Dir->getSingleClause<OMPNumThreadsClause>(); | |||
6735 | CodeGenFunction::LexicalScope Scope( | |||
6736 | CGF, NumThreadsClause->getNumThreads()->getSourceRange()); | |||
6737 | if (const auto *PreInit = | |||
6738 | cast_or_null<DeclStmt>(NumThreadsClause->getPreInitStmt())) { | |||
6739 | for (const auto *I : PreInit->decls()) { | |||
6740 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
6741 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
6742 | } else { | |||
6743 | CodeGenFunction::AutoVarEmission Emission = | |||
6744 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
6745 | CGF.EmitAutoVarCleanups(Emission); | |||
6746 | } | |||
6747 | } | |||
6748 | } | |||
6749 | NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads()); | |||
6750 | NumThreads = CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, | |||
6751 | /*isSigned=*/false); | |||
6752 | if (DefaultThreadLimitVal) | |||
6753 | NumThreads = CGF.Builder.CreateSelect( | |||
6754 | CGF.Builder.CreateICmpULT(DefaultThreadLimitVal, NumThreads), | |||
6755 | DefaultThreadLimitVal, NumThreads); | |||
6756 | } else { | |||
6757 | NumThreads = DefaultThreadLimitVal ? DefaultThreadLimitVal | |||
6758 | : CGF.Builder.getInt32(0); | |||
6759 | } | |||
6760 | // Process condition of the if clause. | |||
6761 | if (CondVal) { | |||
6762 | NumThreads = CGF.Builder.CreateSelect(CondVal, NumThreads, | |||
6763 | CGF.Builder.getInt32(1)); | |||
6764 | } | |||
6765 | return NumThreads; | |||
6766 | } | |||
6767 | if (isOpenMPSimdDirective(Dir->getDirectiveKind())) | |||
6768 | return CGF.Builder.getInt32(1); | |||
6769 | return DefaultThreadLimitVal; | |||
6770 | } | |||
6771 | return DefaultThreadLimitVal ? DefaultThreadLimitVal | |||
6772 | : CGF.Builder.getInt32(0); | |||
6773 | } | |||
6774 | ||||
6775 | /// Emit the number of threads for a target directive. Inspect the | |||
6776 | /// thread_limit clause associated with a teams construct combined or closely | |||
6777 | /// nested with the target directive. | |||
6778 | /// | |||
6779 | /// Emit the num_threads clause for directives such as 'target parallel' that | |||
6780 | /// have no associated teams construct. | |||
6781 | /// | |||
6782 | /// Otherwise, return nullptr. | |||
6783 | static llvm::Value * | |||
6784 | emitNumThreadsForTargetDirective(CodeGenFunction &CGF, | |||
6785 | const OMPExecutableDirective &D) { | |||
6786 | assert(!CGF.getLangOpts().OpenMPIsDevice &&((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6788, __PRETTY_FUNCTION__)) | |||
6787 | "Clauses associated with the teams directive expected to be emitted "((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6788, __PRETTY_FUNCTION__)) | |||
6788 | "only for the host!")((!CGF.getLangOpts().OpenMPIsDevice && "Clauses associated with the teams directive expected to be emitted " "only for the host!") ? static_cast<void> (0) : __assert_fail ("!CGF.getLangOpts().OpenMPIsDevice && \"Clauses associated with the teams directive expected to be emitted \" \"only for the host!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6788, __PRETTY_FUNCTION__)); | |||
6789 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | |||
6790 | assert(isOpenMPTargetExecutionDirective(DirectiveKind) &&((isOpenMPTargetExecutionDirective(DirectiveKind) && "Expected target-based executable directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6791, __PRETTY_FUNCTION__)) | |||
6791 | "Expected target-based executable directive.")((isOpenMPTargetExecutionDirective(DirectiveKind) && "Expected target-based executable directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(DirectiveKind) && \"Expected target-based executable directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6791, __PRETTY_FUNCTION__)); | |||
6792 | CGBuilderTy &Bld = CGF.Builder; | |||
6793 | llvm::Value *ThreadLimitVal = nullptr; | |||
6794 | llvm::Value *NumThreadsVal = nullptr; | |||
6795 | switch (DirectiveKind) { | |||
6796 | case OMPD_target: { | |||
6797 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | |||
6798 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
6799 | return NumThreads; | |||
6800 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
6801 | CGF.getContext(), CS->getCapturedStmt()); | |||
6802 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
6803 | if (Dir->hasClausesOfKind<OMPThreadLimitClause>()) { | |||
6804 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6805 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6806 | const auto *ThreadLimitClause = | |||
6807 | Dir->getSingleClause<OMPThreadLimitClause>(); | |||
6808 | CodeGenFunction::LexicalScope Scope( | |||
6809 | CGF, ThreadLimitClause->getThreadLimit()->getSourceRange()); | |||
6810 | if (const auto *PreInit = | |||
6811 | cast_or_null<DeclStmt>(ThreadLimitClause->getPreInitStmt())) { | |||
6812 | for (const auto *I : PreInit->decls()) { | |||
6813 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
6814 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
6815 | } else { | |||
6816 | CodeGenFunction::AutoVarEmission Emission = | |||
6817 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
6818 | CGF.EmitAutoVarCleanups(Emission); | |||
6819 | } | |||
6820 | } | |||
6821 | } | |||
6822 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
6823 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
6824 | ThreadLimitVal = | |||
6825 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
6826 | } | |||
6827 | if (isOpenMPTeamsDirective(Dir->getDirectiveKind()) && | |||
6828 | !isOpenMPDistributeDirective(Dir->getDirectiveKind())) { | |||
6829 | CS = Dir->getInnermostCapturedStmt(); | |||
6830 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
6831 | CGF.getContext(), CS->getCapturedStmt()); | |||
6832 | Dir = dyn_cast_or_null<OMPExecutableDirective>(Child); | |||
6833 | } | |||
6834 | if (Dir && isOpenMPDistributeDirective(Dir->getDirectiveKind()) && | |||
6835 | !isOpenMPSimdDirective(Dir->getDirectiveKind())) { | |||
6836 | CS = Dir->getInnermostCapturedStmt(); | |||
6837 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
6838 | return NumThreads; | |||
6839 | } | |||
6840 | if (Dir && isOpenMPSimdDirective(Dir->getDirectiveKind())) | |||
6841 | return Bld.getInt32(1); | |||
6842 | } | |||
6843 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | |||
6844 | } | |||
6845 | case OMPD_target_teams: { | |||
6846 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
6847 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
6848 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
6849 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
6850 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
6851 | ThreadLimitVal = | |||
6852 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
6853 | } | |||
6854 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | |||
6855 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
6856 | return NumThreads; | |||
6857 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
6858 | CGF.getContext(), CS->getCapturedStmt()); | |||
6859 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
6860 | if (Dir->getDirectiveKind() == OMPD_distribute) { | |||
6861 | CS = Dir->getInnermostCapturedStmt(); | |||
6862 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
6863 | return NumThreads; | |||
6864 | } | |||
6865 | } | |||
6866 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | |||
6867 | } | |||
6868 | case OMPD_target_teams_distribute: | |||
6869 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
6870 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
6871 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
6872 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
6873 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
6874 | ThreadLimitVal = | |||
6875 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
6876 | } | |||
6877 | return getNumThreads(CGF, D.getInnermostCapturedStmt(), ThreadLimitVal); | |||
6878 | case OMPD_target_parallel: | |||
6879 | case OMPD_target_parallel_for: | |||
6880 | case OMPD_target_parallel_for_simd: | |||
6881 | case OMPD_target_teams_distribute_parallel_for: | |||
6882 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
6883 | llvm::Value *CondVal = nullptr; | |||
6884 | // Handle if clause. If if clause present, the number of threads is | |||
6885 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | |||
6886 | if (D.hasClausesOfKind<OMPIfClause>()) { | |||
6887 | const OMPIfClause *IfClause = nullptr; | |||
6888 | for (const auto *C : D.getClausesOfKind<OMPIfClause>()) { | |||
6889 | if (C->getNameModifier() == OMPD_unknown || | |||
6890 | C->getNameModifier() == OMPD_parallel) { | |||
6891 | IfClause = C; | |||
6892 | break; | |||
6893 | } | |||
6894 | } | |||
6895 | if (IfClause) { | |||
6896 | const Expr *Cond = IfClause->getCondition(); | |||
6897 | bool Result; | |||
6898 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | |||
6899 | if (!Result) | |||
6900 | return Bld.getInt32(1); | |||
6901 | } else { | |||
6902 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
6903 | CondVal = CGF.EvaluateExprAsBool(Cond); | |||
6904 | } | |||
6905 | } | |||
6906 | } | |||
6907 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
6908 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
6909 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
6910 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
6911 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
6912 | ThreadLimitVal = | |||
6913 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
6914 | } | |||
6915 | if (D.hasClausesOfKind<OMPNumThreadsClause>()) { | |||
6916 | CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF); | |||
6917 | const auto *NumThreadsClause = D.getSingleClause<OMPNumThreadsClause>(); | |||
6918 | llvm::Value *NumThreads = CGF.EmitScalarExpr( | |||
6919 | NumThreadsClause->getNumThreads(), /*IgnoreResultAssign=*/true); | |||
6920 | NumThreadsVal = | |||
6921 | Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned=*/false); | |||
6922 | ThreadLimitVal = ThreadLimitVal | |||
6923 | ? Bld.CreateSelect(Bld.CreateICmpULT(NumThreadsVal, | |||
6924 | ThreadLimitVal), | |||
6925 | NumThreadsVal, ThreadLimitVal) | |||
6926 | : NumThreadsVal; | |||
6927 | } | |||
6928 | if (!ThreadLimitVal) | |||
6929 | ThreadLimitVal = Bld.getInt32(0); | |||
6930 | if (CondVal) | |||
6931 | return Bld.CreateSelect(CondVal, ThreadLimitVal, Bld.getInt32(1)); | |||
6932 | return ThreadLimitVal; | |||
6933 | } | |||
6934 | case OMPD_target_teams_distribute_simd: | |||
6935 | case OMPD_target_simd: | |||
6936 | return Bld.getInt32(1); | |||
6937 | case OMPD_parallel: | |||
6938 | case OMPD_for: | |||
6939 | case OMPD_parallel_for: | |||
6940 | case OMPD_parallel_master: | |||
6941 | case OMPD_parallel_sections: | |||
6942 | case OMPD_for_simd: | |||
6943 | case OMPD_parallel_for_simd: | |||
6944 | case OMPD_cancel: | |||
6945 | case OMPD_cancellation_point: | |||
6946 | case OMPD_ordered: | |||
6947 | case OMPD_threadprivate: | |||
6948 | case OMPD_allocate: | |||
6949 | case OMPD_task: | |||
6950 | case OMPD_simd: | |||
6951 | case OMPD_sections: | |||
6952 | case OMPD_section: | |||
6953 | case OMPD_single: | |||
6954 | case OMPD_master: | |||
6955 | case OMPD_critical: | |||
6956 | case OMPD_taskyield: | |||
6957 | case OMPD_barrier: | |||
6958 | case OMPD_taskwait: | |||
6959 | case OMPD_taskgroup: | |||
6960 | case OMPD_atomic: | |||
6961 | case OMPD_flush: | |||
6962 | case OMPD_depobj: | |||
6963 | case OMPD_scan: | |||
6964 | case OMPD_teams: | |||
6965 | case OMPD_target_data: | |||
6966 | case OMPD_target_exit_data: | |||
6967 | case OMPD_target_enter_data: | |||
6968 | case OMPD_distribute: | |||
6969 | case OMPD_distribute_simd: | |||
6970 | case OMPD_distribute_parallel_for: | |||
6971 | case OMPD_distribute_parallel_for_simd: | |||
6972 | case OMPD_teams_distribute: | |||
6973 | case OMPD_teams_distribute_simd: | |||
6974 | case OMPD_teams_distribute_parallel_for: | |||
6975 | case OMPD_teams_distribute_parallel_for_simd: | |||
6976 | case OMPD_target_update: | |||
6977 | case OMPD_declare_simd: | |||
6978 | case OMPD_declare_variant: | |||
6979 | case OMPD_begin_declare_variant: | |||
6980 | case OMPD_end_declare_variant: | |||
6981 | case OMPD_declare_target: | |||
6982 | case OMPD_end_declare_target: | |||
6983 | case OMPD_declare_reduction: | |||
6984 | case OMPD_declare_mapper: | |||
6985 | case OMPD_taskloop: | |||
6986 | case OMPD_taskloop_simd: | |||
6987 | case OMPD_master_taskloop: | |||
6988 | case OMPD_master_taskloop_simd: | |||
6989 | case OMPD_parallel_master_taskloop: | |||
6990 | case OMPD_parallel_master_taskloop_simd: | |||
6991 | case OMPD_requires: | |||
6992 | case OMPD_unknown: | |||
6993 | break; | |||
6994 | default: | |||
6995 | break; | |||
6996 | } | |||
6997 | llvm_unreachable("Unsupported directive kind.")::llvm::llvm_unreachable_internal("Unsupported directive kind." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6997); | |||
6998 | } | |||
6999 | ||||
7000 | namespace { | |||
7001 | 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^=; | |||
7002 | ||||
7003 | // Utility to handle information from clauses associated with a given | |||
7004 | // construct that use mappable expressions (e.g. 'map' clause, 'to' clause). | |||
7005 | // It provides a convenient interface to obtain the information and generate | |||
7006 | // code for that information. | |||
7007 | class MappableExprsHandler { | |||
7008 | public: | |||
7009 | /// Values for bit flags used to specify the mapping type for | |||
7010 | /// offloading. | |||
7011 | enum OpenMPOffloadMappingFlags : uint64_t { | |||
7012 | /// No flags | |||
7013 | OMP_MAP_NONE = 0x0, | |||
7014 | /// Allocate memory on the device and move data from host to device. | |||
7015 | OMP_MAP_TO = 0x01, | |||
7016 | /// Allocate memory on the device and move data from device to host. | |||
7017 | OMP_MAP_FROM = 0x02, | |||
7018 | /// Always perform the requested mapping action on the element, even | |||
7019 | /// if it was already mapped before. | |||
7020 | OMP_MAP_ALWAYS = 0x04, | |||
7021 | /// Delete the element from the device environment, ignoring the | |||
7022 | /// current reference count associated with the element. | |||
7023 | OMP_MAP_DELETE = 0x08, | |||
7024 | /// The element being mapped is a pointer-pointee pair; both the | |||
7025 | /// pointer and the pointee should be mapped. | |||
7026 | OMP_MAP_PTR_AND_OBJ = 0x10, | |||
7027 | /// This flags signals that the base address of an entry should be | |||
7028 | /// passed to the target kernel as an argument. | |||
7029 | OMP_MAP_TARGET_PARAM = 0x20, | |||
7030 | /// Signal that the runtime library has to return the device pointer | |||
7031 | /// in the current position for the data being mapped. Used when we have the | |||
7032 | /// use_device_ptr or use_device_addr clause. | |||
7033 | OMP_MAP_RETURN_PARAM = 0x40, | |||
7034 | /// This flag signals that the reference being passed is a pointer to | |||
7035 | /// private data. | |||
7036 | OMP_MAP_PRIVATE = 0x80, | |||
7037 | /// Pass the element to the device by value. | |||
7038 | OMP_MAP_LITERAL = 0x100, | |||
7039 | /// Implicit map | |||
7040 | OMP_MAP_IMPLICIT = 0x200, | |||
7041 | /// Close is a hint to the runtime to allocate memory close to | |||
7042 | /// the target device. | |||
7043 | OMP_MAP_CLOSE = 0x400, | |||
7044 | /// 0x800 is reserved for compatibility with XLC. | |||
7045 | /// Produce a runtime error if the data is not already allocated. | |||
7046 | OMP_MAP_PRESENT = 0x1000, | |||
7047 | /// Signal that the runtime library should use args as an array of | |||
7048 | /// descriptor_dim pointers and use args_size as dims. Used when we have | |||
7049 | /// non-contiguous list items in target update directive | |||
7050 | OMP_MAP_NON_CONTIG = 0x100000000000, | |||
7051 | /// The 16 MSBs of the flags indicate whether the entry is member of some | |||
7052 | /// struct/class. | |||
7053 | OMP_MAP_MEMBER_OF = 0xffff000000000000, | |||
7054 | LLVM_MARK_AS_BITMASK_ENUM(/* LargestFlag = */ OMP_MAP_MEMBER_OF)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_MAP_MEMBER_OF, | |||
7055 | }; | |||
7056 | ||||
7057 | /// Get the offset of the OMP_MAP_MEMBER_OF field. | |||
7058 | static unsigned getFlagMemberOffset() { | |||
7059 | unsigned Offset = 0; | |||
7060 | for (uint64_t Remain = OMP_MAP_MEMBER_OF; !(Remain & 1); | |||
7061 | Remain = Remain >> 1) | |||
7062 | Offset++; | |||
7063 | return Offset; | |||
7064 | } | |||
7065 | ||||
7066 | /// Class that holds debugging information for a data mapping to be passed to | |||
7067 | /// the runtime library. | |||
7068 | class MappingExprInfo { | |||
7069 | /// The variable declaration used for the data mapping. | |||
7070 | const ValueDecl *MapDecl = nullptr; | |||
7071 | /// The original expression used in the map clause, or null if there is | |||
7072 | /// none. | |||
7073 | const Expr *MapExpr = nullptr; | |||
7074 | ||||
7075 | public: | |||
7076 | MappingExprInfo(const ValueDecl *MapDecl, const Expr *MapExpr = nullptr) | |||
7077 | : MapDecl(MapDecl), MapExpr(MapExpr) {} | |||
7078 | ||||
7079 | const ValueDecl *getMapDecl() const { return MapDecl; } | |||
7080 | const Expr *getMapExpr() const { return MapExpr; } | |||
7081 | }; | |||
7082 | ||||
7083 | /// Class that associates information with a base pointer to be passed to the | |||
7084 | /// runtime library. | |||
7085 | class BasePointerInfo { | |||
7086 | /// The base pointer. | |||
7087 | llvm::Value *Ptr = nullptr; | |||
7088 | /// The base declaration that refers to this device pointer, or null if | |||
7089 | /// there is none. | |||
7090 | const ValueDecl *DevPtrDecl = nullptr; | |||
7091 | ||||
7092 | public: | |||
7093 | BasePointerInfo(llvm::Value *Ptr, const ValueDecl *DevPtrDecl = nullptr) | |||
7094 | : Ptr(Ptr), DevPtrDecl(DevPtrDecl) {} | |||
7095 | llvm::Value *operator*() const { return Ptr; } | |||
7096 | const ValueDecl *getDevicePtrDecl() const { return DevPtrDecl; } | |||
7097 | void setDevicePtrDecl(const ValueDecl *D) { DevPtrDecl = D; } | |||
7098 | }; | |||
7099 | ||||
7100 | using MapExprsArrayTy = SmallVector<MappingExprInfo, 4>; | |||
7101 | using MapBaseValuesArrayTy = SmallVector<BasePointerInfo, 4>; | |||
7102 | using MapValuesArrayTy = SmallVector<llvm::Value *, 4>; | |||
7103 | using MapFlagsArrayTy = SmallVector<OpenMPOffloadMappingFlags, 4>; | |||
7104 | using MapMappersArrayTy = SmallVector<const ValueDecl *, 4>; | |||
7105 | using MapDimArrayTy = SmallVector<uint64_t, 4>; | |||
7106 | using MapNonContiguousArrayTy = SmallVector<MapValuesArrayTy, 4>; | |||
7107 | ||||
7108 | /// This structure contains combined information generated for mappable | |||
7109 | /// clauses, including base pointers, pointers, sizes, map types, user-defined | |||
7110 | /// mappers, and non-contiguous information. | |||
7111 | struct MapCombinedInfoTy { | |||
7112 | struct StructNonContiguousInfo { | |||
7113 | bool IsNonContiguous = false; | |||
7114 | MapDimArrayTy Dims; | |||
7115 | MapNonContiguousArrayTy Offsets; | |||
7116 | MapNonContiguousArrayTy Counts; | |||
7117 | MapNonContiguousArrayTy Strides; | |||
7118 | }; | |||
7119 | MapExprsArrayTy Exprs; | |||
7120 | MapBaseValuesArrayTy BasePointers; | |||
7121 | MapValuesArrayTy Pointers; | |||
7122 | MapValuesArrayTy Sizes; | |||
7123 | MapFlagsArrayTy Types; | |||
7124 | MapMappersArrayTy Mappers; | |||
7125 | StructNonContiguousInfo NonContigInfo; | |||
7126 | ||||
7127 | /// Append arrays in \a CurInfo. | |||
7128 | void append(MapCombinedInfoTy &CurInfo) { | |||
7129 | Exprs.append(CurInfo.Exprs.begin(), CurInfo.Exprs.end()); | |||
7130 | BasePointers.append(CurInfo.BasePointers.begin(), | |||
7131 | CurInfo.BasePointers.end()); | |||
7132 | Pointers.append(CurInfo.Pointers.begin(), CurInfo.Pointers.end()); | |||
7133 | Sizes.append(CurInfo.Sizes.begin(), CurInfo.Sizes.end()); | |||
7134 | Types.append(CurInfo.Types.begin(), CurInfo.Types.end()); | |||
7135 | Mappers.append(CurInfo.Mappers.begin(), CurInfo.Mappers.end()); | |||
7136 | NonContigInfo.Dims.append(CurInfo.NonContigInfo.Dims.begin(), | |||
7137 | CurInfo.NonContigInfo.Dims.end()); | |||
7138 | NonContigInfo.Offsets.append(CurInfo.NonContigInfo.Offsets.begin(), | |||
7139 | CurInfo.NonContigInfo.Offsets.end()); | |||
7140 | NonContigInfo.Counts.append(CurInfo.NonContigInfo.Counts.begin(), | |||
7141 | CurInfo.NonContigInfo.Counts.end()); | |||
7142 | NonContigInfo.Strides.append(CurInfo.NonContigInfo.Strides.begin(), | |||
7143 | CurInfo.NonContigInfo.Strides.end()); | |||
7144 | } | |||
7145 | }; | |||
7146 | ||||
7147 | /// Map between a struct and the its lowest & highest elements which have been | |||
7148 | /// mapped. | |||
7149 | /// [ValueDecl *] --> {LE(FieldIndex, Pointer), | |||
7150 | /// HE(FieldIndex, Pointer)} | |||
7151 | struct StructRangeInfoTy { | |||
7152 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> LowestElem = { | |||
7153 | 0, Address::invalid()}; | |||
7154 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> HighestElem = { | |||
7155 | 0, Address::invalid()}; | |||
7156 | Address Base = Address::invalid(); | |||
7157 | bool IsArraySection = false; | |||
7158 | }; | |||
7159 | ||||
7160 | private: | |||
7161 | /// Kind that defines how a device pointer has to be returned. | |||
7162 | struct MapInfo { | |||
7163 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
7164 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown; | |||
7165 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
7166 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers; | |||
7167 | bool ReturnDevicePointer = false; | |||
7168 | bool IsImplicit = false; | |||
7169 | const ValueDecl *Mapper = nullptr; | |||
7170 | const Expr *VarRef = nullptr; | |||
7171 | bool ForDeviceAddr = false; | |||
7172 | ||||
7173 | MapInfo() = default; | |||
7174 | MapInfo( | |||
7175 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
7176 | OpenMPMapClauseKind MapType, | |||
7177 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7178 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
7179 | bool ReturnDevicePointer, bool IsImplicit, | |||
7180 | const ValueDecl *Mapper = nullptr, const Expr *VarRef = nullptr, | |||
7181 | bool ForDeviceAddr = false) | |||
7182 | : Components(Components), MapType(MapType), MapModifiers(MapModifiers), | |||
7183 | MotionModifiers(MotionModifiers), | |||
7184 | ReturnDevicePointer(ReturnDevicePointer), IsImplicit(IsImplicit), | |||
7185 | Mapper(Mapper), VarRef(VarRef), ForDeviceAddr(ForDeviceAddr) {} | |||
7186 | }; | |||
7187 | ||||
7188 | /// If use_device_ptr or use_device_addr is used on a decl which is a struct | |||
7189 | /// member and there is no map information about it, then emission of that | |||
7190 | /// entry is deferred until the whole struct has been processed. | |||
7191 | struct DeferredDevicePtrEntryTy { | |||
7192 | const Expr *IE = nullptr; | |||
7193 | const ValueDecl *VD = nullptr; | |||
7194 | bool ForDeviceAddr = false; | |||
7195 | ||||
7196 | DeferredDevicePtrEntryTy(const Expr *IE, const ValueDecl *VD, | |||
7197 | bool ForDeviceAddr) | |||
7198 | : IE(IE), VD(VD), ForDeviceAddr(ForDeviceAddr) {} | |||
7199 | }; | |||
7200 | ||||
7201 | /// The target directive from where the mappable clauses were extracted. It | |||
7202 | /// is either a executable directive or a user-defined mapper directive. | |||
7203 | llvm::PointerUnion<const OMPExecutableDirective *, | |||
7204 | const OMPDeclareMapperDecl *> | |||
7205 | CurDir; | |||
7206 | ||||
7207 | /// Function the directive is being generated for. | |||
7208 | CodeGenFunction &CGF; | |||
7209 | ||||
7210 | /// Set of all first private variables in the current directive. | |||
7211 | /// bool data is set to true if the variable is implicitly marked as | |||
7212 | /// firstprivate, false otherwise. | |||
7213 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, bool> FirstPrivateDecls; | |||
7214 | ||||
7215 | /// Map between device pointer declarations and their expression components. | |||
7216 | /// The key value for declarations in 'this' is null. | |||
7217 | llvm::DenseMap< | |||
7218 | const ValueDecl *, | |||
7219 | SmallVector<OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>> | |||
7220 | DevPointersMap; | |||
7221 | ||||
7222 | llvm::Value *getExprTypeSize(const Expr *E) const { | |||
7223 | QualType ExprTy = E->getType().getCanonicalType(); | |||
7224 | ||||
7225 | // Calculate the size for array shaping expression. | |||
7226 | if (const auto *OAE = dyn_cast<OMPArrayShapingExpr>(E)) { | |||
7227 | llvm::Value *Size = | |||
7228 | CGF.getTypeSize(OAE->getBase()->getType()->getPointeeType()); | |||
7229 | for (const Expr *SE : OAE->getDimensions()) { | |||
7230 | llvm::Value *Sz = CGF.EmitScalarExpr(SE); | |||
7231 | Sz = CGF.EmitScalarConversion(Sz, SE->getType(), | |||
7232 | CGF.getContext().getSizeType(), | |||
7233 | SE->getExprLoc()); | |||
7234 | Size = CGF.Builder.CreateNUWMul(Size, Sz); | |||
7235 | } | |||
7236 | return Size; | |||
7237 | } | |||
7238 | ||||
7239 | // Reference types are ignored for mapping purposes. | |||
7240 | if (const auto *RefTy = ExprTy->getAs<ReferenceType>()) | |||
7241 | ExprTy = RefTy->getPointeeType().getCanonicalType(); | |||
7242 | ||||
7243 | // Given that an array section is considered a built-in type, we need to | |||
7244 | // do the calculation based on the length of the section instead of relying | |||
7245 | // on CGF.getTypeSize(E->getType()). | |||
7246 | if (const auto *OAE = dyn_cast<OMPArraySectionExpr>(E)) { | |||
7247 | QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType( | |||
7248 | OAE->getBase()->IgnoreParenImpCasts()) | |||
7249 | .getCanonicalType(); | |||
7250 | ||||
7251 | // If there is no length associated with the expression and lower bound is | |||
7252 | // not specified too, that means we are using the whole length of the | |||
7253 | // base. | |||
7254 | if (!OAE->getLength() && OAE->getColonLocFirst().isValid() && | |||
7255 | !OAE->getLowerBound()) | |||
7256 | return CGF.getTypeSize(BaseTy); | |||
7257 | ||||
7258 | llvm::Value *ElemSize; | |||
7259 | if (const auto *PTy = BaseTy->getAs<PointerType>()) { | |||
7260 | ElemSize = CGF.getTypeSize(PTy->getPointeeType().getCanonicalType()); | |||
7261 | } else { | |||
7262 | const auto *ATy = cast<ArrayType>(BaseTy.getTypePtr()); | |||
7263 | assert(ATy && "Expecting array type if not a pointer type.")((ATy && "Expecting array type if not a pointer type." ) ? static_cast<void> (0) : __assert_fail ("ATy && \"Expecting array type if not a pointer type.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7263, __PRETTY_FUNCTION__)); | |||
7264 | ElemSize = CGF.getTypeSize(ATy->getElementType().getCanonicalType()); | |||
7265 | } | |||
7266 | ||||
7267 | // If we don't have a length at this point, that is because we have an | |||
7268 | // array section with a single element. | |||
7269 | if (!OAE->getLength() && OAE->getColonLocFirst().isInvalid()) | |||
7270 | return ElemSize; | |||
7271 | ||||
7272 | if (const Expr *LenExpr = OAE->getLength()) { | |||
7273 | llvm::Value *LengthVal = CGF.EmitScalarExpr(LenExpr); | |||
7274 | LengthVal = CGF.EmitScalarConversion(LengthVal, LenExpr->getType(), | |||
7275 | CGF.getContext().getSizeType(), | |||
7276 | LenExpr->getExprLoc()); | |||
7277 | return CGF.Builder.CreateNUWMul(LengthVal, ElemSize); | |||
7278 | } | |||
7279 | assert(!OAE->getLength() && OAE->getColonLocFirst().isValid() &&((!OAE->getLength() && OAE->getColonLocFirst(). isValid() && OAE->getLowerBound() && "expected array_section[lb:]." ) ? static_cast<void> (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLocFirst().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7280, __PRETTY_FUNCTION__)) | |||
7280 | OAE->getLowerBound() && "expected array_section[lb:].")((!OAE->getLength() && OAE->getColonLocFirst(). isValid() && OAE->getLowerBound() && "expected array_section[lb:]." ) ? static_cast<void> (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLocFirst().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7280, __PRETTY_FUNCTION__)); | |||
7281 | // Size = sizetype - lb * elemtype; | |||
7282 | llvm::Value *LengthVal = CGF.getTypeSize(BaseTy); | |||
7283 | llvm::Value *LBVal = CGF.EmitScalarExpr(OAE->getLowerBound()); | |||
7284 | LBVal = CGF.EmitScalarConversion(LBVal, OAE->getLowerBound()->getType(), | |||
7285 | CGF.getContext().getSizeType(), | |||
7286 | OAE->getLowerBound()->getExprLoc()); | |||
7287 | LBVal = CGF.Builder.CreateNUWMul(LBVal, ElemSize); | |||
7288 | llvm::Value *Cmp = CGF.Builder.CreateICmpUGT(LengthVal, LBVal); | |||
7289 | llvm::Value *TrueVal = CGF.Builder.CreateNUWSub(LengthVal, LBVal); | |||
7290 | LengthVal = CGF.Builder.CreateSelect( | |||
7291 | Cmp, TrueVal, llvm::ConstantInt::get(CGF.SizeTy, 0)); | |||
7292 | return LengthVal; | |||
7293 | } | |||
7294 | return CGF.getTypeSize(ExprTy); | |||
7295 | } | |||
7296 | ||||
7297 | /// Return the corresponding bits for a given map clause modifier. Add | |||
7298 | /// a flag marking the map as a pointer if requested. Add a flag marking the | |||
7299 | /// map as the first one of a series of maps that relate to the same map | |||
7300 | /// expression. | |||
7301 | OpenMPOffloadMappingFlags getMapTypeBits( | |||
7302 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7303 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, bool IsImplicit, | |||
7304 | bool AddPtrFlag, bool AddIsTargetParamFlag, bool IsNonContiguous) const { | |||
7305 | OpenMPOffloadMappingFlags Bits = | |||
7306 | IsImplicit ? OMP_MAP_IMPLICIT : OMP_MAP_NONE; | |||
7307 | switch (MapType) { | |||
7308 | case OMPC_MAP_alloc: | |||
7309 | case OMPC_MAP_release: | |||
7310 | // alloc and release is the default behavior in the runtime library, i.e. | |||
7311 | // if we don't pass any bits alloc/release that is what the runtime is | |||
7312 | // going to do. Therefore, we don't need to signal anything for these two | |||
7313 | // type modifiers. | |||
7314 | break; | |||
7315 | case OMPC_MAP_to: | |||
7316 | Bits |= OMP_MAP_TO; | |||
7317 | break; | |||
7318 | case OMPC_MAP_from: | |||
7319 | Bits |= OMP_MAP_FROM; | |||
7320 | break; | |||
7321 | case OMPC_MAP_tofrom: | |||
7322 | Bits |= OMP_MAP_TO | OMP_MAP_FROM; | |||
7323 | break; | |||
7324 | case OMPC_MAP_delete: | |||
7325 | Bits |= OMP_MAP_DELETE; | |||
7326 | break; | |||
7327 | case OMPC_MAP_unknown: | |||
7328 | llvm_unreachable("Unexpected map type!")::llvm::llvm_unreachable_internal("Unexpected map type!", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7328); | |||
7329 | } | |||
7330 | if (AddPtrFlag) | |||
7331 | Bits |= OMP_MAP_PTR_AND_OBJ; | |||
7332 | if (AddIsTargetParamFlag) | |||
7333 | Bits |= OMP_MAP_TARGET_PARAM; | |||
7334 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_always) | |||
7335 | != MapModifiers.end()) | |||
7336 | Bits |= OMP_MAP_ALWAYS; | |||
7337 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_close) | |||
7338 | != MapModifiers.end()) | |||
7339 | Bits |= OMP_MAP_CLOSE; | |||
7340 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_present) | |||
7341 | != MapModifiers.end()) | |||
7342 | Bits |= OMP_MAP_PRESENT; | |||
7343 | if (llvm::find(MotionModifiers, OMPC_MOTION_MODIFIER_present) | |||
7344 | != MotionModifiers.end()) | |||
7345 | Bits |= OMP_MAP_PRESENT; | |||
7346 | if (IsNonContiguous) | |||
7347 | Bits |= OMP_MAP_NON_CONTIG; | |||
7348 | return Bits; | |||
7349 | } | |||
7350 | ||||
7351 | /// Return true if the provided expression is a final array section. A | |||
7352 | /// final array section, is one whose length can't be proved to be one. | |||
7353 | bool isFinalArraySectionExpression(const Expr *E) const { | |||
7354 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
7355 | ||||
7356 | // It is not an array section and therefore not a unity-size one. | |||
7357 | if (!OASE) | |||
7358 | return false; | |||
7359 | ||||
7360 | // An array section with no colon always refer to a single element. | |||
7361 | if (OASE->getColonLocFirst().isInvalid()) | |||
7362 | return false; | |||
7363 | ||||
7364 | const Expr *Length = OASE->getLength(); | |||
7365 | ||||
7366 | // If we don't have a length we have to check if the array has size 1 | |||
7367 | // for this dimension. Also, we should always expect a length if the | |||
7368 | // base type is pointer. | |||
7369 | if (!Length) { | |||
7370 | QualType BaseQTy = OMPArraySectionExpr::getBaseOriginalType( | |||
7371 | OASE->getBase()->IgnoreParenImpCasts()) | |||
7372 | .getCanonicalType(); | |||
7373 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
7374 | return ATy->getSize().getSExtValue() != 1; | |||
7375 | // If we don't have a constant dimension length, we have to consider | |||
7376 | // the current section as having any size, so it is not necessarily | |||
7377 | // unitary. If it happen to be unity size, that's user fault. | |||
7378 | return true; | |||
7379 | } | |||
7380 | ||||
7381 | // Check if the length evaluates to 1. | |||
7382 | Expr::EvalResult Result; | |||
7383 | if (!Length->EvaluateAsInt(Result, CGF.getContext())) | |||
7384 | return true; // Can have more that size 1. | |||
7385 | ||||
7386 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
7387 | return ConstLength.getSExtValue() != 1; | |||
7388 | } | |||
7389 | ||||
7390 | /// Generate the base pointers, section pointers, sizes, map type bits, and | |||
7391 | /// user-defined mappers (all included in \a CombinedInfo) for the provided | |||
7392 | /// map type, map or motion modifiers, and expression components. | |||
7393 | /// \a IsFirstComponent should be set to true if the provided set of | |||
7394 | /// components is the first associated with a capture. | |||
7395 | void generateInfoForComponentList( | |||
7396 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7397 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
7398 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
7399 | MapCombinedInfoTy &CombinedInfo, StructRangeInfoTy &PartialStruct, | |||
7400 | bool IsFirstComponentList, bool IsImplicit, | |||
7401 | const ValueDecl *Mapper = nullptr, bool ForDeviceAddr = false, | |||
7402 | const ValueDecl *BaseDecl = nullptr, const Expr *MapExpr = nullptr, | |||
7403 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | |||
7404 | OverlappedElements = llvm::None) const { | |||
7405 | // The following summarizes what has to be generated for each map and the | |||
7406 | // types below. The generated information is expressed in this order: | |||
7407 | // base pointer, section pointer, size, flags | |||
7408 | // (to add to the ones that come from the map type and modifier). | |||
7409 | // | |||
7410 | // double d; | |||
7411 | // int i[100]; | |||
7412 | // float *p; | |||
7413 | // | |||
7414 | // struct S1 { | |||
7415 | // int i; | |||
7416 | // float f[50]; | |||
7417 | // } | |||
7418 | // struct S2 { | |||
7419 | // int i; | |||
7420 | // float f[50]; | |||
7421 | // S1 s; | |||
7422 | // double *p; | |||
7423 | // struct S2 *ps; | |||
7424 | // } | |||
7425 | // S2 s; | |||
7426 | // S2 *ps; | |||
7427 | // | |||
7428 | // map(d) | |||
7429 | // &d, &d, sizeof(double), TARGET_PARAM | TO | FROM | |||
7430 | // | |||
7431 | // map(i) | |||
7432 | // &i, &i, 100*sizeof(int), TARGET_PARAM | TO | FROM | |||
7433 | // | |||
7434 | // map(i[1:23]) | |||
7435 | // &i(=&i[0]), &i[1], 23*sizeof(int), TARGET_PARAM | TO | FROM | |||
7436 | // | |||
7437 | // map(p) | |||
7438 | // &p, &p, sizeof(float*), TARGET_PARAM | TO | FROM | |||
7439 | // | |||
7440 | // map(p[1:24]) | |||
7441 | // &p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | PTR_AND_OBJ | |||
7442 | // in unified shared memory mode or for local pointers | |||
7443 | // p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | |||
7444 | // | |||
7445 | // map(s) | |||
7446 | // &s, &s, sizeof(S2), TARGET_PARAM | TO | FROM | |||
7447 | // | |||
7448 | // map(s.i) | |||
7449 | // &s, &(s.i), sizeof(int), TARGET_PARAM | TO | FROM | |||
7450 | // | |||
7451 | // map(s.s.f) | |||
7452 | // &s, &(s.s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | |||
7453 | // | |||
7454 | // map(s.p) | |||
7455 | // &s, &(s.p), sizeof(double*), TARGET_PARAM | TO | FROM | |||
7456 | // | |||
7457 | // map(to: s.p[:22]) | |||
7458 | // &s, &(s.p), sizeof(double*), TARGET_PARAM (*) | |||
7459 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) (**) | |||
7460 | // &(s.p), &(s.p[0]), 22*sizeof(double), | |||
7461 | // MEMBER_OF(1) | PTR_AND_OBJ | TO (***) | |||
7462 | // (*) alloc space for struct members, only this is a target parameter | |||
7463 | // (**) map the pointer (nothing to be mapped in this example) (the compiler | |||
7464 | // optimizes this entry out, same in the examples below) | |||
7465 | // (***) map the pointee (map: to) | |||
7466 | // | |||
7467 | // map(s.ps) | |||
7468 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7469 | // | |||
7470 | // map(from: s.ps->s.i) | |||
7471 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7472 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7473 | // &(s.ps), &(s.ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7474 | // | |||
7475 | // map(to: s.ps->ps) | |||
7476 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7477 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7478 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | TO | |||
7479 | // | |||
7480 | // map(s.ps->ps->ps) | |||
7481 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7482 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7483 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7484 | // &(s.ps->ps), &(s.ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | |||
7485 | // | |||
7486 | // map(to: s.ps->ps->s.f[:22]) | |||
7487 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7488 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7489 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7490 | // &(s.ps->ps), &(s.ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | |||
7491 | // | |||
7492 | // map(ps) | |||
7493 | // &ps, &ps, sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7494 | // | |||
7495 | // map(ps->i) | |||
7496 | // ps, &(ps->i), sizeof(int), TARGET_PARAM | TO | FROM | |||
7497 | // | |||
7498 | // map(ps->s.f) | |||
7499 | // ps, &(ps->s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | |||
7500 | // | |||
7501 | // map(from: ps->p) | |||
7502 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | FROM | |||
7503 | // | |||
7504 | // map(to: ps->p[:22]) | |||
7505 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | |||
7506 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(1) | |||
7507 | // &(ps->p), &(ps->p[0]), 22*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | TO | |||
7508 | // | |||
7509 | // map(ps->ps) | |||
7510 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7511 | // | |||
7512 | // map(from: ps->ps->s.i) | |||
7513 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7514 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7515 | // &(ps->ps), &(ps->ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7516 | // | |||
7517 | // map(from: ps->ps->ps) | |||
7518 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7519 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7520 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7521 | // | |||
7522 | // map(ps->ps->ps->ps) | |||
7523 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7524 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7525 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7526 | // &(ps->ps->ps), &(ps->ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | |||
7527 | // | |||
7528 | // map(to: ps->ps->ps->s.f[:22]) | |||
7529 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7530 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7531 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7532 | // &(ps->ps->ps), &(ps->ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | |||
7533 | // | |||
7534 | // map(to: s.f[:22]) map(from: s.p[:33]) | |||
7535 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1) + | |||
7536 | // sizeof(double*) (**), TARGET_PARAM | |||
7537 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | TO | |||
7538 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) | |||
7539 | // &(s.p), &(s.p[0]), 33*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7540 | // (*) allocate contiguous space needed to fit all mapped members even if | |||
7541 | // we allocate space for members not mapped (in this example, | |||
7542 | // s.f[22..49] and s.s are not mapped, yet we must allocate space for | |||
7543 | // them as well because they fall between &s.f[0] and &s.p) | |||
7544 | // | |||
7545 | // map(from: s.f[:22]) map(to: ps->p[:33]) | |||
7546 | // &s, &(s.f[0]), 22*sizeof(float), TARGET_PARAM | FROM | |||
7547 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | |||
7548 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(2) (*) | |||
7549 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(2) | PTR_AND_OBJ | TO | |||
7550 | // (*) the struct this entry pertains to is the 2nd element in the list of | |||
7551 | // arguments, hence MEMBER_OF(2) | |||
7552 | // | |||
7553 | // map(from: s.f[:22], s.s) map(to: ps->p[:33]) | |||
7554 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1), TARGET_PARAM | |||
7555 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | FROM | |||
7556 | // &s, &(s.s), sizeof(struct S1), MEMBER_OF(1) | FROM | |||
7557 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | |||
7558 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(4) (*) | |||
7559 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(4) | PTR_AND_OBJ | TO | |||
7560 | // (*) the struct this entry pertains to is the 4th element in the list | |||
7561 | // of arguments, hence MEMBER_OF(4) | |||
7562 | ||||
7563 | // Track if the map information being generated is the first for a capture. | |||
7564 | bool IsCaptureFirstInfo = IsFirstComponentList; | |||
7565 | // When the variable is on a declare target link or in a to clause with | |||
7566 | // unified memory, a reference is needed to hold the host/device address | |||
7567 | // of the variable. | |||
7568 | bool RequiresReference = false; | |||
7569 | ||||
7570 | // Scan the components from the base to the complete expression. | |||
7571 | auto CI = Components.rbegin(); | |||
7572 | auto CE = Components.rend(); | |||
7573 | auto I = CI; | |||
7574 | ||||
7575 | // Track if the map information being generated is the first for a list of | |||
7576 | // components. | |||
7577 | bool IsExpressionFirstInfo = true; | |||
7578 | bool FirstPointerInComplexData = false; | |||
7579 | Address BP = Address::invalid(); | |||
7580 | const Expr *AssocExpr = I->getAssociatedExpression(); | |||
7581 | const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr); | |||
| ||||
7582 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | |||
7583 | const auto *OAShE = dyn_cast<OMPArrayShapingExpr>(AssocExpr); | |||
7584 | ||||
7585 | if (isa<MemberExpr>(AssocExpr)) { | |||
7586 | // The base is the 'this' pointer. The content of the pointer is going | |||
7587 | // to be the base of the field being mapped. | |||
7588 | BP = CGF.LoadCXXThisAddress(); | |||
7589 | } else if ((AE && isa<CXXThisExpr>(AE->getBase()->IgnoreParenImpCasts())) || | |||
7590 | (OASE && | |||
7591 | isa<CXXThisExpr>(OASE->getBase()->IgnoreParenImpCasts()))) { | |||
7592 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | |||
7593 | } else if (OAShE && | |||
7594 | isa<CXXThisExpr>(OAShE->getBase()->IgnoreParenCasts())) { | |||
7595 | BP = Address( | |||
7596 | CGF.EmitScalarExpr(OAShE->getBase()), | |||
7597 | CGF.getContext().getTypeAlignInChars(OAShE->getBase()->getType())); | |||
7598 | } else { | |||
7599 | // The base is the reference to the variable. | |||
7600 | // BP = &Var. | |||
7601 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | |||
7602 | if (const auto *VD = | |||
7603 | dyn_cast_or_null<VarDecl>(I->getAssociatedDeclaration())) { | |||
7604 | if (llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
7605 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | |||
7606 | if ((*Res == OMPDeclareTargetDeclAttr::MT_Link) || | |||
7607 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
7608 | CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory())) { | |||
7609 | RequiresReference = true; | |||
7610 | BP = CGF.CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | |||
7611 | } | |||
7612 | } | |||
7613 | } | |||
7614 | ||||
7615 | // If the variable is a pointer and is being dereferenced (i.e. is not | |||
7616 | // the last component), the base has to be the pointer itself, not its | |||
7617 | // reference. References are ignored for mapping purposes. | |||
7618 | QualType Ty = | |||
7619 | I->getAssociatedDeclaration()->getType().getNonReferenceType(); | |||
7620 | if (Ty->isAnyPointerType() && std::next(I) != CE) { | |||
7621 | // No need to generate individual map information for the pointer, it | |||
7622 | // can be associated with the combined storage if shared memory mode is | |||
7623 | // active or the base declaration is not global variable. | |||
7624 | const auto *VD = dyn_cast<VarDecl>(I->getAssociatedDeclaration()); | |||
7625 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | |||
7626 | !VD || VD->hasLocalStorage()) | |||
7627 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | |||
7628 | else | |||
7629 | FirstPointerInComplexData = true; | |||
7630 | ++I; | |||
7631 | } | |||
7632 | } | |||
7633 | ||||
7634 | // Track whether a component of the list should be marked as MEMBER_OF some | |||
7635 | // combined entry (for partial structs). Only the first PTR_AND_OBJ entry | |||
7636 | // in a component list should be marked as MEMBER_OF, all subsequent entries | |||
7637 | // do not belong to the base struct. E.g. | |||
7638 | // struct S2 s; | |||
7639 | // s.ps->ps->ps->f[:] | |||
7640 | // (1) (2) (3) (4) | |||
7641 | // ps(1) is a member pointer, ps(2) is a pointee of ps(1), so it is a | |||
7642 | // PTR_AND_OBJ entry; the PTR is ps(1), so MEMBER_OF the base struct. ps(3) | |||
7643 | // is the pointee of ps(2) which is not member of struct s, so it should not | |||
7644 | // be marked as such (it is still PTR_AND_OBJ). | |||
7645 | // The variable is initialized to false so that PTR_AND_OBJ entries which | |||
7646 | // are not struct members are not considered (e.g. array of pointers to | |||
7647 | // data). | |||
7648 | bool ShouldBeMemberOf = false; | |||
7649 | ||||
7650 | // Variable keeping track of whether or not we have encountered a component | |||
7651 | // in the component list which is a member expression. Useful when we have a | |||
7652 | // pointer or a final array section, in which case it is the previous | |||
7653 | // component in the list which tells us whether we have a member expression. | |||
7654 | // E.g. X.f[:] | |||
7655 | // While processing the final array section "[:]" it is "f" which tells us | |||
7656 | // whether we are dealing with a member of a declared struct. | |||
7657 | const MemberExpr *EncounteredME = nullptr; | |||
7658 | ||||
7659 | // Track for the total number of dimension. Start from one for the dummy | |||
7660 | // dimension. | |||
7661 | uint64_t DimSize = 1; | |||
7662 | ||||
7663 | bool IsNonContiguous = CombinedInfo.NonContigInfo.IsNonContiguous; | |||
7664 | ||||
7665 | for (; I != CE; ++I) { | |||
7666 | // If the current component is member of a struct (parent struct) mark it. | |||
7667 | if (!EncounteredME) { | |||
7668 | EncounteredME = dyn_cast<MemberExpr>(I->getAssociatedExpression()); | |||
7669 | // If we encounter a PTR_AND_OBJ entry from now on it should be marked | |||
7670 | // as MEMBER_OF the parent struct. | |||
7671 | if (EncounteredME) { | |||
7672 | ShouldBeMemberOf = true; | |||
7673 | // Do not emit as complex pointer if this is actually not array-like | |||
7674 | // expression. | |||
7675 | if (FirstPointerInComplexData) { | |||
7676 | QualType Ty = std::prev(I) | |||
7677 | ->getAssociatedDeclaration() | |||
7678 | ->getType() | |||
7679 | .getNonReferenceType(); | |||
7680 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | |||
7681 | FirstPointerInComplexData = false; | |||
7682 | } | |||
7683 | } | |||
7684 | } | |||
7685 | ||||
7686 | auto Next = std::next(I); | |||
7687 | ||||
7688 | // We need to generate the addresses and sizes if this is the last | |||
7689 | // component, if the component is a pointer or if it is an array section | |||
7690 | // whose length can't be proved to be one. If this is a pointer, it | |||
7691 | // becomes the base address for the following components. | |||
7692 | ||||
7693 | // A final array section, is one whose length can't be proved to be one. | |||
7694 | // If the map item is non-contiguous then we don't treat any array section | |||
7695 | // as final array section. | |||
7696 | bool IsFinalArraySection = | |||
7697 | !IsNonContiguous && | |||
7698 | isFinalArraySectionExpression(I->getAssociatedExpression()); | |||
7699 | ||||
7700 | // If we have a declaration for the mapping use that, otherwise use | |||
7701 | // the base declaration of the map clause. | |||
7702 | const ValueDecl *MapDecl = (I->getAssociatedDeclaration()) | |||
7703 | ? I->getAssociatedDeclaration() | |||
7704 | : BaseDecl; | |||
7705 | ||||
7706 | // Get information on whether the element is a pointer. Have to do a | |||
7707 | // special treatment for array sections given that they are built-in | |||
7708 | // types. | |||
7709 | const auto *OASE = | |||
7710 | dyn_cast<OMPArraySectionExpr>(I->getAssociatedExpression()); | |||
7711 | const auto *OAShE = | |||
7712 | dyn_cast<OMPArrayShapingExpr>(I->getAssociatedExpression()); | |||
7713 | const auto *UO = dyn_cast<UnaryOperator>(I->getAssociatedExpression()); | |||
7714 | const auto *BO = dyn_cast<BinaryOperator>(I->getAssociatedExpression()); | |||
7715 | bool IsPointer = | |||
7716 | OAShE || | |||
7717 | (OASE && OMPArraySectionExpr::getBaseOriginalType(OASE) | |||
7718 | .getCanonicalType() | |||
7719 | ->isAnyPointerType()) || | |||
7720 | I->getAssociatedExpression()->getType()->isAnyPointerType(); | |||
7721 | bool IsNonDerefPointer = IsPointer && !UO && !BO && !IsNonContiguous; | |||
7722 | ||||
7723 | if (OASE) | |||
7724 | ++DimSize; | |||
7725 | ||||
7726 | if (Next == CE || IsNonDerefPointer || IsFinalArraySection) { | |||
7727 | // If this is not the last component, we expect the pointer to be | |||
7728 | // associated with an array expression or member expression. | |||
7729 | assert((Next == CE ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7730 | isa<MemberExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7731 | isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7732 | isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7733 | isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7734 | isa<UnaryOperator>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7735 | isa<BinaryOperator>(Next->getAssociatedExpression())) &&(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)) | |||
7736 | "Unexpected expression")(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<OMPArrayShapingExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7736, __PRETTY_FUNCTION__)); | |||
7737 | ||||
7738 | Address LB = Address::invalid(); | |||
7739 | if (OAShE) { | |||
7740 | LB = Address(CGF.EmitScalarExpr(OAShE->getBase()), | |||
7741 | CGF.getContext().getTypeAlignInChars( | |||
7742 | OAShE->getBase()->getType())); | |||
7743 | } else { | |||
7744 | LB = CGF.EmitOMPSharedLValue(I->getAssociatedExpression()) | |||
7745 | .getAddress(CGF); | |||
7746 | } | |||
7747 | ||||
7748 | // If this component is a pointer inside the base struct then we don't | |||
7749 | // need to create any entry for it - it will be combined with the object | |||
7750 | // it is pointing to into a single PTR_AND_OBJ entry. | |||
7751 | bool IsMemberPointerOrAddr = | |||
7752 | (IsPointer || ForDeviceAddr) && EncounteredME && | |||
7753 | (dyn_cast<MemberExpr>(I->getAssociatedExpression()) == | |||
7754 | EncounteredME); | |||
7755 | if (!OverlappedElements.empty()) { | |||
7756 | // Handle base element with the info for overlapped elements. | |||
7757 | assert(!PartialStruct.Base.isValid() && "The base element is set.")((!PartialStruct.Base.isValid() && "The base element is set." ) ? static_cast<void> (0) : __assert_fail ("!PartialStruct.Base.isValid() && \"The base element is set.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7757, __PRETTY_FUNCTION__)); | |||
7758 | assert(Next == CE &&((Next == CE && "Expected last element for the overlapped elements." ) ? static_cast<void> (0) : __assert_fail ("Next == CE && \"Expected last element for the overlapped elements.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7759, __PRETTY_FUNCTION__)) | |||
7759 | "Expected last element for the overlapped elements.")((Next == CE && "Expected last element for the overlapped elements." ) ? static_cast<void> (0) : __assert_fail ("Next == CE && \"Expected last element for the overlapped elements.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7759, __PRETTY_FUNCTION__)); | |||
7760 | assert(!IsPointer &&((!IsPointer && "Unexpected base element with the pointer type." ) ? static_cast<void> (0) : __assert_fail ("!IsPointer && \"Unexpected base element with the pointer type.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7761, __PRETTY_FUNCTION__)) | |||
7761 | "Unexpected base element with the pointer type.")((!IsPointer && "Unexpected base element with the pointer type." ) ? static_cast<void> (0) : __assert_fail ("!IsPointer && \"Unexpected base element with the pointer type.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7761, __PRETTY_FUNCTION__)); | |||
7762 | // Mark the whole struct as the struct that requires allocation on the | |||
7763 | // device. | |||
7764 | PartialStruct.LowestElem = {0, LB}; | |||
7765 | CharUnits TypeSize = CGF.getContext().getTypeSizeInChars( | |||
7766 | I->getAssociatedExpression()->getType()); | |||
7767 | Address HB = CGF.Builder.CreateConstGEP( | |||
7768 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(LB, | |||
7769 | CGF.VoidPtrTy), | |||
7770 | TypeSize.getQuantity() - 1); | |||
7771 | PartialStruct.HighestElem = { | |||
7772 | std::numeric_limits<decltype( | |||
7773 | PartialStruct.HighestElem.first)>::max(), | |||
7774 | HB}; | |||
7775 | PartialStruct.Base = BP; | |||
7776 | // Emit data for non-overlapped data. | |||
7777 | OpenMPOffloadMappingFlags Flags = | |||
7778 | OMP_MAP_MEMBER_OF | | |||
7779 | getMapTypeBits(MapType, MapModifiers, MotionModifiers, IsImplicit, | |||
7780 | /*AddPtrFlag=*/false, | |||
7781 | /*AddIsTargetParamFlag=*/false, IsNonContiguous); | |||
7782 | LB = BP; | |||
7783 | llvm::Value *Size = nullptr; | |||
7784 | // Do bitcopy of all non-overlapped structure elements. | |||
7785 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
7786 | Component : OverlappedElements) { | |||
7787 | Address ComponentLB = Address::invalid(); | |||
7788 | for (const OMPClauseMappableExprCommon::MappableComponent &MC : | |||
7789 | Component) { | |||
7790 | if (MC.getAssociatedDeclaration()) { | |||
7791 | ComponentLB = | |||
7792 | CGF.EmitOMPSharedLValue(MC.getAssociatedExpression()) | |||
7793 | .getAddress(CGF); | |||
7794 | Size = CGF.Builder.CreatePtrDiff( | |||
7795 | CGF.EmitCastToVoidPtr(ComponentLB.getPointer()), | |||
7796 | CGF.EmitCastToVoidPtr(LB.getPointer())); | |||
7797 | break; | |||
7798 | } | |||
7799 | } | |||
7800 | assert(Size && "Failed to determine structure size")((Size && "Failed to determine structure size") ? static_cast <void> (0) : __assert_fail ("Size && \"Failed to determine structure size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7800, __PRETTY_FUNCTION__)); | |||
7801 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | |||
7802 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | |||
7803 | CombinedInfo.Pointers.push_back(LB.getPointer()); | |||
7804 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
7805 | Size, CGF.Int64Ty, /*isSigned=*/true)); | |||
7806 | CombinedInfo.Types.push_back(Flags); | |||
7807 | CombinedInfo.Mappers.push_back(nullptr); | |||
7808 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | |||
7809 | : 1); | |||
7810 | LB = CGF.Builder.CreateConstGEP(ComponentLB, 1); | |||
7811 | } | |||
7812 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | |||
7813 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | |||
7814 | CombinedInfo.Pointers.push_back(LB.getPointer()); | |||
7815 | Size = CGF.Builder.CreatePtrDiff( | |||
7816 | CGF.EmitCastToVoidPtr( | |||
7817 | CGF.Builder.CreateConstGEP(HB, 1).getPointer()), | |||
7818 | CGF.EmitCastToVoidPtr(LB.getPointer())); | |||
7819 | CombinedInfo.Sizes.push_back( | |||
7820 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | |||
7821 | CombinedInfo.Types.push_back(Flags); | |||
7822 | CombinedInfo.Mappers.push_back(nullptr); | |||
7823 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | |||
7824 | : 1); | |||
7825 | break; | |||
7826 | } | |||
7827 | llvm::Value *Size = getExprTypeSize(I->getAssociatedExpression()); | |||
7828 | if (!IsMemberPointerOrAddr || | |||
7829 | (Next == CE && MapType != OMPC_MAP_unknown)) { | |||
7830 | CombinedInfo.Exprs.emplace_back(MapDecl, MapExpr); | |||
7831 | CombinedInfo.BasePointers.push_back(BP.getPointer()); | |||
7832 | CombinedInfo.Pointers.push_back(LB.getPointer()); | |||
7833 | CombinedInfo.Sizes.push_back( | |||
7834 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | |||
7835 | CombinedInfo.NonContigInfo.Dims.push_back(IsNonContiguous ? DimSize | |||
7836 | : 1); | |||
7837 | ||||
7838 | // If Mapper is valid, the last component inherits the mapper. | |||
7839 | bool HasMapper = Mapper && Next == CE; | |||
7840 | CombinedInfo.Mappers.push_back(HasMapper ? Mapper : nullptr); | |||
7841 | ||||
7842 | // We need to add a pointer flag for each map that comes from the | |||
7843 | // same expression except for the first one. We also need to signal | |||
7844 | // this map is the first one that relates with the current capture | |||
7845 | // (there is a set of entries for each capture). | |||
7846 | OpenMPOffloadMappingFlags Flags = getMapTypeBits( | |||
7847 | MapType, MapModifiers, MotionModifiers, IsImplicit, | |||
7848 | !IsExpressionFirstInfo || RequiresReference || | |||
7849 | FirstPointerInComplexData, | |||
7850 | IsCaptureFirstInfo && !RequiresReference, IsNonContiguous); | |||
7851 | ||||
7852 | if (!IsExpressionFirstInfo) { | |||
7853 | // If we have a PTR_AND_OBJ pair where the OBJ is a pointer as well, | |||
7854 | // then we reset the TO/FROM/ALWAYS/DELETE/CLOSE flags. | |||
7855 | if (IsPointer) | |||
7856 | Flags &= ~(OMP_MAP_TO | OMP_MAP_FROM | OMP_MAP_ALWAYS | | |||
7857 | OMP_MAP_DELETE | OMP_MAP_CLOSE); | |||
7858 | ||||
7859 | if (ShouldBeMemberOf) { | |||
7860 | // Set placeholder value MEMBER_OF=FFFF to indicate that the flag | |||
7861 | // should be later updated with the correct value of MEMBER_OF. | |||
7862 | Flags |= OMP_MAP_MEMBER_OF; | |||
7863 | // From now on, all subsequent PTR_AND_OBJ entries should not be | |||
7864 | // marked as MEMBER_OF. | |||
7865 | ShouldBeMemberOf = false; | |||
7866 | } | |||
7867 | } | |||
7868 | ||||
7869 | CombinedInfo.Types.push_back(Flags); | |||
7870 | } | |||
7871 | ||||
7872 | // If we have encountered a member expression so far, keep track of the | |||
7873 | // mapped member. If the parent is "*this", then the value declaration | |||
7874 | // is nullptr. | |||
7875 | if (EncounteredME) { | |||
7876 | const auto *FD = cast<FieldDecl>(EncounteredME->getMemberDecl()); | |||
7877 | unsigned FieldIndex = FD->getFieldIndex(); | |||
7878 | ||||
7879 | // Update info about the lowest and highest elements for this struct | |||
7880 | if (!PartialStruct.Base.isValid()) { | |||
7881 | PartialStruct.LowestElem = {FieldIndex, LB}; | |||
7882 | if (IsFinalArraySection) { | |||
7883 | Address HB = | |||
7884 | CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false) | |||
7885 | .getAddress(CGF); | |||
7886 | PartialStruct.HighestElem = {FieldIndex, HB}; | |||
7887 | } else { | |||
7888 | PartialStruct.HighestElem = {FieldIndex, LB}; | |||
7889 | } | |||
7890 | PartialStruct.Base = BP; | |||
7891 | } else if (FieldIndex < PartialStruct.LowestElem.first) { | |||
7892 | PartialStruct.LowestElem = {FieldIndex, LB}; | |||
7893 | } else if (FieldIndex > PartialStruct.HighestElem.first) { | |||
7894 | PartialStruct.HighestElem = {FieldIndex, LB}; | |||
7895 | } | |||
7896 | } | |||
7897 | ||||
7898 | // Need to emit combined struct for array sections. | |||
7899 | if (IsFinalArraySection || IsNonContiguous) | |||
7900 | PartialStruct.IsArraySection = true; | |||
7901 | ||||
7902 | // If we have a final array section, we are done with this expression. | |||
7903 | if (IsFinalArraySection) | |||
7904 | break; | |||
7905 | ||||
7906 | // The pointer becomes the base for the next element. | |||
7907 | if (Next != CE) | |||
7908 | BP = LB; | |||
7909 | ||||
7910 | IsExpressionFirstInfo = false; | |||
7911 | IsCaptureFirstInfo = false; | |||
7912 | FirstPointerInComplexData = false; | |||
7913 | } else if (FirstPointerInComplexData) { | |||
7914 | QualType Ty = Components.rbegin() | |||
7915 | ->getAssociatedDeclaration() | |||
7916 | ->getType() | |||
7917 | .getNonReferenceType(); | |||
7918 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | |||
7919 | FirstPointerInComplexData = false; | |||
7920 | } | |||
7921 | } | |||
7922 | ||||
7923 | if (!IsNonContiguous) | |||
7924 | return; | |||
7925 | ||||
7926 | const ASTContext &Context = CGF.getContext(); | |||
7927 | ||||
7928 | // For supporting stride in array section, we need to initialize the first | |||
7929 | // dimension size as 1, first offset as 0, and first count as 1 | |||
7930 | MapValuesArrayTy CurOffsets = {llvm::ConstantInt::get(CGF.CGM.Int64Ty, 0)}; | |||
7931 | MapValuesArrayTy CurCounts = {llvm::ConstantInt::get(CGF.CGM.Int64Ty, 1)}; | |||
7932 | MapValuesArrayTy CurStrides; | |||
7933 | MapValuesArrayTy DimSizes{llvm::ConstantInt::get(CGF.CGM.Int64Ty, 1)}; | |||
7934 | uint64_t ElementTypeSize; | |||
7935 | ||||
7936 | // Collect Size information for each dimension and get the element size as | |||
7937 | // the first Stride. For example, for `int arr[10][10]`, the DimSizes | |||
7938 | // should be [10, 10] and the first stride is 4 btyes. | |||
7939 | for (const OMPClauseMappableExprCommon::MappableComponent &Component : | |||
7940 | Components) { | |||
7941 | const Expr *AssocExpr = Component.getAssociatedExpression(); | |||
7942 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | |||
7943 | ||||
7944 | if (!OASE) | |||
7945 | continue; | |||
7946 | ||||
7947 | QualType Ty = OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
7948 | auto *CAT = Context.getAsConstantArrayType(Ty); | |||
7949 | auto *VAT = Context.getAsVariableArrayType(Ty); | |||
7950 | ||||
7951 | // We need all the dimension size except for the last dimension. | |||
7952 | assert((VAT || CAT || &Component == &*Components.begin()) &&(((VAT || CAT || &Component == &*Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? static_cast<void> (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7954, __PRETTY_FUNCTION__)) | |||
7953 | "Should be either ConstantArray or VariableArray if not the "(((VAT || CAT || &Component == &*Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? static_cast<void> (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7954, __PRETTY_FUNCTION__)) | |||
7954 | "first Component")(((VAT || CAT || &Component == &*Components.begin()) && "Should be either ConstantArray or VariableArray if not the " "first Component") ? static_cast<void> (0) : __assert_fail ("(VAT || CAT || &Component == &*Components.begin()) && \"Should be either ConstantArray or VariableArray if not the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7954, __PRETTY_FUNCTION__)); | |||
7955 | ||||
7956 | // Get element size if CurStrides is empty. | |||
7957 | if (CurStrides.empty()) { | |||
7958 | const Type *ElementType = nullptr; | |||
7959 | if (CAT) | |||
7960 | ElementType = CAT->getElementType().getTypePtr(); | |||
7961 | else if (VAT) | |||
7962 | ElementType = VAT->getElementType().getTypePtr(); | |||
7963 | else | |||
7964 | assert(&Component == &*Components.begin() &&((&Component == &*Components.begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? static_cast<void> (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7966, __PRETTY_FUNCTION__)) | |||
7965 | "Only expect pointer (non CAT or VAT) when this is the "((&Component == &*Components.begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? static_cast<void> (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7966, __PRETTY_FUNCTION__)) | |||
7966 | "first Component")((&Component == &*Components.begin() && "Only expect pointer (non CAT or VAT) when this is the " "first Component") ? static_cast<void> (0) : __assert_fail ("&Component == &*Components.begin() && \"Only expect pointer (non CAT or VAT) when this is the \" \"first Component\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7966, __PRETTY_FUNCTION__)); | |||
7967 | // If ElementType is null, then it means the base is a pointer | |||
7968 | // (neither CAT nor VAT) and we'll attempt to get ElementType again | |||
7969 | // for next iteration. | |||
7970 | if (ElementType) { | |||
7971 | // For the case that having pointer as base, we need to remove one | |||
7972 | // level of indirection. | |||
7973 | if (&Component != &*Components.begin()) | |||
7974 | ElementType = ElementType->getPointeeOrArrayElementType(); | |||
7975 | ElementTypeSize = | |||
7976 | Context.getTypeSizeInChars(ElementType).getQuantity(); | |||
7977 | CurStrides.push_back( | |||
7978 | llvm::ConstantInt::get(CGF.Int64Ty, ElementTypeSize)); | |||
7979 | } | |||
7980 | } | |||
7981 | // Get dimension value except for the last dimension since we don't need | |||
7982 | // it. | |||
7983 | if (DimSizes.size() < Components.size() - 1) { | |||
7984 | if (CAT) | |||
7985 | DimSizes.push_back(llvm::ConstantInt::get( | |||
7986 | CGF.Int64Ty, CAT->getSize().getZExtValue())); | |||
7987 | else if (VAT) | |||
7988 | DimSizes.push_back(CGF.Builder.CreateIntCast( | |||
7989 | CGF.EmitScalarExpr(VAT->getSizeExpr()), CGF.Int64Ty, | |||
7990 | /*IsSigned=*/false)); | |||
7991 | } | |||
7992 | } | |||
7993 | ||||
7994 | // Skip the dummy dimension since we have already have its information. | |||
7995 | auto DI = DimSizes.begin() + 1; | |||
7996 | // Product of dimension. | |||
7997 | llvm::Value *DimProd = | |||
7998 | llvm::ConstantInt::get(CGF.CGM.Int64Ty, ElementTypeSize); | |||
| ||||
7999 | ||||
8000 | // Collect info for non-contiguous. Notice that offset, count, and stride | |||
8001 | // are only meaningful for array-section, so we insert a null for anything | |||
8002 | // other than array-section. | |||
8003 | // Also, the size of offset, count, and stride are not the same as | |||
8004 | // pointers, base_pointers, sizes, or dims. Instead, the size of offset, | |||
8005 | // count, and stride are the same as the number of non-contiguous | |||
8006 | // declaration in target update to/from clause. | |||
8007 | for (const OMPClauseMappableExprCommon::MappableComponent &Component : | |||
8008 | Components) { | |||
8009 | const Expr *AssocExpr = Component.getAssociatedExpression(); | |||
8010 | ||||
8011 | if (const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr)) { | |||
8012 | llvm::Value *Offset = CGF.Builder.CreateIntCast( | |||
8013 | CGF.EmitScalarExpr(AE->getIdx()), CGF.Int64Ty, | |||
8014 | /*isSigned=*/false); | |||
8015 | CurOffsets.push_back(Offset); | |||
8016 | CurCounts.push_back(llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/1)); | |||
8017 | CurStrides.push_back(CurStrides.back()); | |||
8018 | continue; | |||
8019 | } | |||
8020 | ||||
8021 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | |||
8022 | ||||
8023 | if (!OASE) | |||
8024 | continue; | |||
8025 | ||||
8026 | // Offset | |||
8027 | const Expr *OffsetExpr = OASE->getLowerBound(); | |||
8028 | llvm::Value *Offset = nullptr; | |||
8029 | if (!OffsetExpr) { | |||
8030 | // If offset is absent, then we just set it to zero. | |||
8031 | Offset = llvm::ConstantInt::get(CGF.Int64Ty, 0); | |||
8032 | } else { | |||
8033 | Offset = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(OffsetExpr), | |||
8034 | CGF.Int64Ty, | |||
8035 | /*isSigned=*/false); | |||
8036 | } | |||
8037 | CurOffsets.push_back(Offset); | |||
8038 | ||||
8039 | // Count | |||
8040 | const Expr *CountExpr = OASE->getLength(); | |||
8041 | llvm::Value *Count = nullptr; | |||
8042 | if (!CountExpr) { | |||
8043 | // In Clang, once a high dimension is an array section, we construct all | |||
8044 | // the lower dimension as array section, however, for case like | |||
8045 | // arr[0:2][2], Clang construct the inner dimension as an array section | |||
8046 | // but it actually is not in an array section form according to spec. | |||
8047 | if (!OASE->getColonLocFirst().isValid() && | |||
8048 | !OASE->getColonLocSecond().isValid()) { | |||
8049 | Count = llvm::ConstantInt::get(CGF.Int64Ty, 1); | |||
8050 | } else { | |||
8051 | // OpenMP 5.0, 2.1.5 Array Sections, Description. | |||
8052 | // When the length is absent it defaults to ⌈(size − | |||
8053 | // lower-bound)/stride⌉, where size is the size of the array | |||
8054 | // dimension. | |||
8055 | const Expr *StrideExpr = OASE->getStride(); | |||
8056 | llvm::Value *Stride = | |||
8057 | StrideExpr | |||
8058 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(StrideExpr), | |||
8059 | CGF.Int64Ty, /*isSigned=*/false) | |||
8060 | : nullptr; | |||
8061 | if (Stride) | |||
8062 | Count = CGF.Builder.CreateUDiv( | |||
8063 | CGF.Builder.CreateNUWSub(*DI, Offset), Stride); | |||
8064 | else | |||
8065 | Count = CGF.Builder.CreateNUWSub(*DI, Offset); | |||
8066 | } | |||
8067 | } else { | |||
8068 | Count = CGF.EmitScalarExpr(CountExpr); | |||
8069 | } | |||
8070 | Count = CGF.Builder.CreateIntCast(Count, CGF.Int64Ty, /*isSigned=*/false); | |||
8071 | CurCounts.push_back(Count); | |||
8072 | ||||
8073 | // Stride_n' = Stride_n * (D_0 * D_1 ... * D_n-1) * Unit size | |||
8074 | // Take `int arr[5][5][5]` and `arr[0:2:2][1:2:1][0:2:2]` as an example: | |||
8075 | // Offset Count Stride | |||
8076 | // D0 0 1 4 (int) <- dummy dimension | |||
8077 | // D1 0 2 8 (2 * (1) * 4) | |||
8078 | // D2 1 2 20 (1 * (1 * 5) * 4) | |||
8079 | // D3 0 2 200 (2 * (1 * 5 * 4) * 4) | |||
8080 | const Expr *StrideExpr = OASE->getStride(); | |||
8081 | llvm::Value *Stride = | |||
8082 | StrideExpr | |||
8083 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(StrideExpr), | |||
8084 | CGF.Int64Ty, /*isSigned=*/false) | |||
8085 | : nullptr; | |||
8086 | DimProd = CGF.Builder.CreateNUWMul(DimProd, *(DI - 1)); | |||
8087 | if (Stride) | |||
8088 | CurStrides.push_back(CGF.Builder.CreateNUWMul(DimProd, Stride)); | |||
8089 | else | |||
8090 | CurStrides.push_back(DimProd); | |||
8091 | if (DI != DimSizes.end()) | |||
8092 | ++DI; | |||
8093 | } | |||
8094 | ||||
8095 | CombinedInfo.NonContigInfo.Offsets.push_back(CurOffsets); | |||
8096 | CombinedInfo.NonContigInfo.Counts.push_back(CurCounts); | |||
8097 | CombinedInfo.NonContigInfo.Strides.push_back(CurStrides); | |||
8098 | } | |||
8099 | ||||
8100 | /// Return the adjusted map modifiers if the declaration a capture refers to | |||
8101 | /// appears in a first-private clause. This is expected to be used only with | |||
8102 | /// directives that start with 'target'. | |||
8103 | MappableExprsHandler::OpenMPOffloadMappingFlags | |||
8104 | getMapModifiersForPrivateClauses(const CapturedStmt::Capture &Cap) const { | |||
8105 | assert(Cap.capturesVariable() && "Expected capture by reference only!")((Cap.capturesVariable() && "Expected capture by reference only!" ) ? static_cast<void> (0) : __assert_fail ("Cap.capturesVariable() && \"Expected capture by reference only!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8105, __PRETTY_FUNCTION__)); | |||
8106 | ||||
8107 | // A first private variable captured by reference will use only the | |||
8108 | // 'private ptr' and 'map to' flag. Return the right flags if the captured | |||
8109 | // declaration is known as first-private in this handler. | |||
8110 | if (FirstPrivateDecls.count(Cap.getCapturedVar())) { | |||
8111 | if (Cap.getCapturedVar()->getType().isConstant(CGF.getContext()) && | |||
8112 | Cap.getCaptureKind() == CapturedStmt::VCK_ByRef) | |||
8113 | return MappableExprsHandler::OMP_MAP_ALWAYS | | |||
8114 | MappableExprsHandler::OMP_MAP_TO; | |||
8115 | if (Cap.getCapturedVar()->getType()->isAnyPointerType()) | |||
8116 | return MappableExprsHandler::OMP_MAP_TO | | |||
8117 | MappableExprsHandler::OMP_MAP_PTR_AND_OBJ; | |||
8118 | return MappableExprsHandler::OMP_MAP_PRIVATE | | |||
8119 | MappableExprsHandler::OMP_MAP_TO; | |||
8120 | } | |||
8121 | return MappableExprsHandler::OMP_MAP_TO | | |||
8122 | MappableExprsHandler::OMP_MAP_FROM; | |||
8123 | } | |||
8124 | ||||
8125 | static OpenMPOffloadMappingFlags getMemberOfFlag(unsigned Position) { | |||
8126 | // Rotate by getFlagMemberOffset() bits. | |||
8127 | return static_cast<OpenMPOffloadMappingFlags>(((uint64_t)Position + 1) | |||
8128 | << getFlagMemberOffset()); | |||
8129 | } | |||
8130 | ||||
8131 | static void setCorrectMemberOfFlag(OpenMPOffloadMappingFlags &Flags, | |||
8132 | OpenMPOffloadMappingFlags MemberOfFlag) { | |||
8133 | // If the entry is PTR_AND_OBJ but has not been marked with the special | |||
8134 | // placeholder value 0xFFFF in the MEMBER_OF field, then it should not be | |||
8135 | // marked as MEMBER_OF. | |||
8136 | if ((Flags & OMP_MAP_PTR_AND_OBJ) && | |||
8137 | ((Flags & OMP_MAP_MEMBER_OF) != OMP_MAP_MEMBER_OF)) | |||
8138 | return; | |||
8139 | ||||
8140 | // Reset the placeholder value to prepare the flag for the assignment of the | |||
8141 | // proper MEMBER_OF value. | |||
8142 | Flags &= ~OMP_MAP_MEMBER_OF; | |||
8143 | Flags |= MemberOfFlag; | |||
8144 | } | |||
8145 | ||||
8146 | void getPlainLayout(const CXXRecordDecl *RD, | |||
8147 | llvm::SmallVectorImpl<const FieldDecl *> &Layout, | |||
8148 | bool AsBase) const { | |||
8149 | const CGRecordLayout &RL = CGF.getTypes().getCGRecordLayout(RD); | |||
8150 | ||||
8151 | llvm::StructType *St = | |||
8152 | AsBase ? RL.getBaseSubobjectLLVMType() : RL.getLLVMType(); | |||
8153 | ||||
8154 | unsigned NumElements = St->getNumElements(); | |||
8155 | llvm::SmallVector< | |||
8156 | llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *>, 4> | |||
8157 | RecordLayout(NumElements); | |||
8158 | ||||
8159 | // Fill bases. | |||
8160 | for (const auto &I : RD->bases()) { | |||
8161 | if (I.isVirtual()) | |||
8162 | continue; | |||
8163 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | |||
8164 | // Ignore empty bases. | |||
8165 | if (Base->isEmpty() || CGF.getContext() | |||
8166 | .getASTRecordLayout(Base) | |||
8167 | .getNonVirtualSize() | |||
8168 | .isZero()) | |||
8169 | continue; | |||
8170 | ||||
8171 | unsigned FieldIndex = RL.getNonVirtualBaseLLVMFieldNo(Base); | |||
8172 | RecordLayout[FieldIndex] = Base; | |||
8173 | } | |||
8174 | // Fill in virtual bases. | |||
8175 | for (const auto &I : RD->vbases()) { | |||
8176 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | |||
8177 | // Ignore empty bases. | |||
8178 | if (Base->isEmpty()) | |||
8179 | continue; | |||
8180 | unsigned FieldIndex = RL.getVirtualBaseIndex(Base); | |||
8181 | if (RecordLayout[FieldIndex]) | |||
8182 | continue; | |||
8183 | RecordLayout[FieldIndex] = Base; | |||
8184 | } | |||
8185 | // Fill in all the fields. | |||
8186 | assert(!RD->isUnion() && "Unexpected union.")((!RD->isUnion() && "Unexpected union.") ? static_cast <void> (0) : __assert_fail ("!RD->isUnion() && \"Unexpected union.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8186, __PRETTY_FUNCTION__)); | |||
8187 | for (const auto *Field : RD->fields()) { | |||
8188 | // Fill in non-bitfields. (Bitfields always use a zero pattern, which we | |||
8189 | // will fill in later.) | |||
8190 | if (!Field->isBitField() && !Field->isZeroSize(CGF.getContext())) { | |||
8191 | unsigned FieldIndex = RL.getLLVMFieldNo(Field); | |||
8192 | RecordLayout[FieldIndex] = Field; | |||
8193 | } | |||
8194 | } | |||
8195 | for (const llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *> | |||
8196 | &Data : RecordLayout) { | |||
8197 | if (Data.isNull()) | |||
8198 | continue; | |||
8199 | if (const auto *Base = Data.dyn_cast<const CXXRecordDecl *>()) | |||
8200 | getPlainLayout(Base, Layout, /*AsBase=*/true); | |||
8201 | else | |||
8202 | Layout.push_back(Data.get<const FieldDecl *>()); | |||
8203 | } | |||
8204 | } | |||
8205 | ||||
8206 | public: | |||
8207 | MappableExprsHandler(const OMPExecutableDirective &Dir, CodeGenFunction &CGF) | |||
8208 | : CurDir(&Dir), CGF(CGF) { | |||
8209 | // Extract firstprivate clause information. | |||
8210 | for (const auto *C : Dir.getClausesOfKind<OMPFirstprivateClause>()) | |||
8211 | for (const auto *D : C->varlists()) | |||
8212 | FirstPrivateDecls.try_emplace( | |||
8213 | cast<VarDecl>(cast<DeclRefExpr>(D)->getDecl()), C->isImplicit()); | |||
8214 | // Extract implicit firstprivates from uses_allocators clauses. | |||
8215 | for (const auto *C : Dir.getClausesOfKind<OMPUsesAllocatorsClause>()) { | |||
8216 | for (unsigned I = 0, E = C->getNumberOfAllocators(); I < E; ++I) { | |||
8217 | OMPUsesAllocatorsClause::Data D = C->getAllocatorData(I); | |||
8218 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(D.AllocatorTraits)) | |||
8219 | FirstPrivateDecls.try_emplace(cast<VarDecl>(DRE->getDecl()), | |||
8220 | /*Implicit=*/true); | |||
8221 | else if (const auto *VD = dyn_cast<VarDecl>( | |||
8222 | cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()) | |||
8223 | ->getDecl())) | |||
8224 | FirstPrivateDecls.try_emplace(VD, /*Implicit=*/true); | |||
8225 | } | |||
8226 | } | |||
8227 | // Extract device pointer clause information. | |||
8228 | for (const auto *C : Dir.getClausesOfKind<OMPIsDevicePtrClause>()) | |||
8229 | for (auto L : C->component_lists()) | |||
8230 | DevPointersMap[std::get<0>(L)].push_back(std::get<1>(L)); | |||
8231 | } | |||
8232 | ||||
8233 | /// Constructor for the declare mapper directive. | |||
8234 | MappableExprsHandler(const OMPDeclareMapperDecl &Dir, CodeGenFunction &CGF) | |||
8235 | : CurDir(&Dir), CGF(CGF) {} | |||
8236 | ||||
8237 | /// Generate code for the combined entry if we have a partially mapped struct | |||
8238 | /// and take care of the mapping flags of the arguments corresponding to | |||
8239 | /// individual struct members. | |||
8240 | void emitCombinedEntry(MapCombinedInfoTy &CombinedInfo, | |||
8241 | MapFlagsArrayTy &CurTypes, | |||
8242 | const StructRangeInfoTy &PartialStruct, | |||
8243 | const ValueDecl *VD = nullptr, | |||
8244 | bool NotTargetParams = true) const { | |||
8245 | if (CurTypes.size() == 1 && | |||
8246 | ((CurTypes.back() & OMP_MAP_MEMBER_OF) != OMP_MAP_MEMBER_OF) && | |||
8247 | !PartialStruct.IsArraySection) | |||
8248 | return; | |||
8249 | CombinedInfo.Exprs.push_back(VD); | |||
8250 | // Base is the base of the struct | |||
8251 | CombinedInfo.BasePointers.push_back(PartialStruct.Base.getPointer()); | |||
8252 | // Pointer is the address of the lowest element | |||
8253 | llvm::Value *LB = PartialStruct.LowestElem.second.getPointer(); | |||
8254 | CombinedInfo.Pointers.push_back(LB); | |||
8255 | // There should not be a mapper for a combined entry. | |||
8256 | CombinedInfo.Mappers.push_back(nullptr); | |||
8257 | // Size is (addr of {highest+1} element) - (addr of lowest element) | |||
8258 | llvm::Value *HB = PartialStruct.HighestElem.second.getPointer(); | |||
8259 | llvm::Value *HAddr = CGF.Builder.CreateConstGEP1_32(HB, /*Idx0=*/1); | |||
8260 | llvm::Value *CLAddr = CGF.Builder.CreatePointerCast(LB, CGF.VoidPtrTy); | |||
8261 | llvm::Value *CHAddr = CGF.Builder.CreatePointerCast(HAddr, CGF.VoidPtrTy); | |||
8262 | llvm::Value *Diff = CGF.Builder.CreatePtrDiff(CHAddr, CLAddr); | |||
8263 | llvm::Value *Size = CGF.Builder.CreateIntCast(Diff, CGF.Int64Ty, | |||
8264 | /*isSigned=*/false); | |||
8265 | CombinedInfo.Sizes.push_back(Size); | |||
8266 | // Map type is always TARGET_PARAM, if generate info for captures. | |||
8267 | CombinedInfo.Types.push_back(NotTargetParams ? OMP_MAP_NONE | |||
8268 | : OMP_MAP_TARGET_PARAM); | |||
8269 | // If any element has the present modifier, then make sure the runtime | |||
8270 | // doesn't attempt to allocate the struct. | |||
8271 | if (CurTypes.end() != | |||
8272 | llvm::find_if(CurTypes, [](OpenMPOffloadMappingFlags Type) { | |||
8273 | return Type & OMP_MAP_PRESENT; | |||
8274 | })) | |||
8275 | CombinedInfo.Types.back() |= OMP_MAP_PRESENT; | |||
8276 | // Remove TARGET_PARAM flag from the first element if any. | |||
8277 | if (!CurTypes.empty()) | |||
8278 | CurTypes.front() &= ~OMP_MAP_TARGET_PARAM; | |||
8279 | ||||
8280 | // All other current entries will be MEMBER_OF the combined entry | |||
8281 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | |||
8282 | // 0xFFFF in the MEMBER_OF field). | |||
8283 | OpenMPOffloadMappingFlags MemberOfFlag = | |||
8284 | getMemberOfFlag(CombinedInfo.BasePointers.size() - 1); | |||
8285 | for (auto &M : CurTypes) | |||
8286 | setCorrectMemberOfFlag(M, MemberOfFlag); | |||
8287 | } | |||
8288 | ||||
8289 | /// Generate all the base pointers, section pointers, sizes, map types, and | |||
8290 | /// mappers for the extracted mappable expressions (all included in \a | |||
8291 | /// CombinedInfo). Also, for each item that relates with a device pointer, a | |||
8292 | /// pair of the relevant declaration and index where it occurs is appended to | |||
8293 | /// the device pointers info array. | |||
8294 | void generateAllInfo( | |||
8295 | MapCombinedInfoTy &CombinedInfo, | |||
8296 | const llvm::DenseSet<CanonicalDeclPtr<const Decl>> &SkipVarSet = | |||
8297 | llvm::DenseSet<CanonicalDeclPtr<const Decl>>()) const { | |||
8298 | // We have to process the component lists that relate with the same | |||
8299 | // declaration in a single chunk so that we can generate the map flags | |||
8300 | // correctly. Therefore, we organize all lists in a map. | |||
8301 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | |||
8302 | ||||
8303 | // Helper function to fill the information map for the different supported | |||
8304 | // clauses. | |||
8305 | auto &&InfoGen = | |||
8306 | [&Info, &SkipVarSet]( | |||
8307 | const ValueDecl *D, | |||
8308 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | |||
8309 | OpenMPMapClauseKind MapType, | |||
8310 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
8311 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
8312 | bool ReturnDevicePointer, bool IsImplicit, const ValueDecl *Mapper, | |||
8313 | const Expr *VarRef = nullptr, bool ForDeviceAddr = false) { | |||
8314 | const ValueDecl *VD = | |||
8315 | D ? cast<ValueDecl>(D->getCanonicalDecl()) : nullptr; | |||
8316 | if (SkipVarSet.count(VD)) | |||
8317 | return; | |||
8318 | Info[VD].emplace_back(L, MapType, MapModifiers, MotionModifiers, | |||
8319 | ReturnDevicePointer, IsImplicit, Mapper, VarRef, | |||
8320 | ForDeviceAddr); | |||
8321 | }; | |||
8322 | ||||
8323 | assert(CurDir.is<const OMPExecutableDirective *>() &&((CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? static_cast<void> ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8324, __PRETTY_FUNCTION__)) | |||
8324 | "Expect a executable directive")((CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? static_cast<void> ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8324, __PRETTY_FUNCTION__)); | |||
8325 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | |||
8326 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | |||
8327 | const auto *EI = C->getVarRefs().begin(); | |||
8328 | for (const auto L : C->component_lists()) { | |||
8329 | // The Expression is not correct if the mapping is implicit | |||
8330 | const Expr *E = (C->getMapLoc().isValid()) ? *EI : nullptr; | |||
8331 | InfoGen(std::get<0>(L), std::get<1>(L), C->getMapType(), | |||
8332 | C->getMapTypeModifiers(), llvm::None, | |||
8333 | /*ReturnDevicePointer=*/false, C->isImplicit(), std::get<2>(L), | |||
8334 | E); | |||
8335 | ++EI; | |||
8336 | } | |||
8337 | } | |||
8338 | for (const auto *C : CurExecDir->getClausesOfKind<OMPToClause>()) { | |||
8339 | const auto *EI = C->getVarRefs().begin(); | |||
8340 | for (const auto L : C->component_lists()) { | |||
8341 | InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_to, llvm::None, | |||
8342 | C->getMotionModifiers(), /*ReturnDevicePointer=*/false, | |||
8343 | C->isImplicit(), std::get<2>(L), *EI); | |||
8344 | ++EI; | |||
8345 | } | |||
8346 | } | |||
8347 | for (const auto *C : CurExecDir->getClausesOfKind<OMPFromClause>()) { | |||
8348 | const auto *EI = C->getVarRefs().begin(); | |||
8349 | for (const auto L : C->component_lists()) { | |||
8350 | InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_from, llvm::None, | |||
8351 | C->getMotionModifiers(), /*ReturnDevicePointer=*/false, | |||
8352 | C->isImplicit(), std::get<2>(L), *EI); | |||
8353 | ++EI; | |||
8354 | } | |||
8355 | } | |||
8356 | ||||
8357 | // Look at the use_device_ptr clause information and mark the existing map | |||
8358 | // entries as such. If there is no map information for an entry in the | |||
8359 | // use_device_ptr list, we create one with map type 'alloc' and zero size | |||
8360 | // section. It is the user fault if that was not mapped before. If there is | |||
8361 | // no map information and the pointer is a struct member, then we defer the | |||
8362 | // emission of that entry until the whole struct has been processed. | |||
8363 | llvm::MapVector<const ValueDecl *, SmallVector<DeferredDevicePtrEntryTy, 4>> | |||
8364 | DeferredInfo; | |||
8365 | MapCombinedInfoTy UseDevicePtrCombinedInfo; | |||
8366 | ||||
8367 | for (const auto *C : | |||
8368 | CurExecDir->getClausesOfKind<OMPUseDevicePtrClause>()) { | |||
8369 | for (const auto L : C->component_lists()) { | |||
8370 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components = | |||
8371 | std::get<1>(L); | |||
8372 | assert(!Components.empty() &&((!Components.empty() && "Not expecting empty list of components!" ) ? static_cast<void> (0) : __assert_fail ("!Components.empty() && \"Not expecting empty list of components!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8373, __PRETTY_FUNCTION__)) | |||
8373 | "Not expecting empty list of components!")((!Components.empty() && "Not expecting empty list of components!" ) ? static_cast<void> (0) : __assert_fail ("!Components.empty() && \"Not expecting empty list of components!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8373, __PRETTY_FUNCTION__)); | |||
8374 | const ValueDecl *VD = Components.back().getAssociatedDeclaration(); | |||
8375 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | |||
8376 | const Expr *IE = Components.back().getAssociatedExpression(); | |||
8377 | // If the first component is a member expression, we have to look into | |||
8378 | // 'this', which maps to null in the map of map information. Otherwise | |||
8379 | // look directly for the information. | |||
8380 | auto It = Info.find(isa<MemberExpr>(IE) ? nullptr : VD); | |||
8381 | ||||
8382 | // We potentially have map information for this declaration already. | |||
8383 | // Look for the first set of components that refer to it. | |||
8384 | if (It != Info.end()) { | |||
8385 | auto *CI = llvm::find_if(It->second, [VD](const MapInfo &MI) { | |||
8386 | return MI.Components.back().getAssociatedDeclaration() == VD; | |||
8387 | }); | |||
8388 | // If we found a map entry, signal that the pointer has to be returned | |||
8389 | // and move on to the next declaration. | |||
8390 | // Exclude cases where the base pointer is mapped as array subscript, | |||
8391 | // array section or array shaping. The base address is passed as a | |||
8392 | // pointer to base in this case and cannot be used as a base for | |||
8393 | // use_device_ptr list item. | |||
8394 | if (CI != It->second.end()) { | |||
8395 | auto PrevCI = std::next(CI->Components.rbegin()); | |||
8396 | const auto *VarD = dyn_cast<VarDecl>(VD); | |||
8397 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | |||
8398 | isa<MemberExpr>(IE) || | |||
8399 | !VD->getType().getNonReferenceType()->isPointerType() || | |||
8400 | PrevCI == CI->Components.rend() || | |||
8401 | isa<MemberExpr>(PrevCI->getAssociatedExpression()) || !VarD || | |||
8402 | VarD->hasLocalStorage()) { | |||
8403 | CI->ReturnDevicePointer = true; | |||
8404 | continue; | |||
8405 | } | |||
8406 | } | |||
8407 | } | |||
8408 | ||||
8409 | // We didn't find any match in our map information - generate a zero | |||
8410 | // size array section - if the pointer is a struct member we defer this | |||
8411 | // action until the whole struct has been processed. | |||
8412 | if (isa<MemberExpr>(IE)) { | |||
8413 | // Insert the pointer into Info to be processed by | |||
8414 | // generateInfoForComponentList. Because it is a member pointer | |||
8415 | // without a pointee, no entry will be generated for it, therefore | |||
8416 | // we need to generate one after the whole struct has been processed. | |||
8417 | // Nonetheless, generateInfoForComponentList must be called to take | |||
8418 | // the pointer into account for the calculation of the range of the | |||
8419 | // partial struct. | |||
8420 | InfoGen(nullptr, Components, OMPC_MAP_unknown, llvm::None, llvm::None, | |||
8421 | /*ReturnDevicePointer=*/false, C->isImplicit(), nullptr); | |||
8422 | DeferredInfo[nullptr].emplace_back(IE, VD, /*ForDeviceAddr=*/false); | |||
8423 | } else { | |||
8424 | llvm::Value *Ptr = | |||
8425 | CGF.EmitLoadOfScalar(CGF.EmitLValue(IE), IE->getExprLoc()); | |||
8426 | UseDevicePtrCombinedInfo.Exprs.push_back(VD); | |||
8427 | UseDevicePtrCombinedInfo.BasePointers.emplace_back(Ptr, VD); | |||
8428 | UseDevicePtrCombinedInfo.Pointers.push_back(Ptr); | |||
8429 | UseDevicePtrCombinedInfo.Sizes.push_back( | |||
8430 | llvm::Constant::getNullValue(CGF.Int64Ty)); | |||
8431 | UseDevicePtrCombinedInfo.Types.push_back(OMP_MAP_RETURN_PARAM); | |||
8432 | UseDevicePtrCombinedInfo.Mappers.push_back(nullptr); | |||
8433 | } | |||
8434 | } | |||
8435 | } | |||
8436 | ||||
8437 | // Look at the use_device_addr clause information and mark the existing map | |||
8438 | // entries as such. If there is no map information for an entry in the | |||
8439 | // use_device_addr list, we create one with map type 'alloc' and zero size | |||
8440 | // section. It is the user fault if that was not mapped before. If there is | |||
8441 | // no map information and the pointer is a struct member, then we defer the | |||
8442 | // emission of that entry until the whole struct has been processed. | |||
8443 | llvm::SmallDenseSet<CanonicalDeclPtr<const Decl>, 4> Processed; | |||
8444 | for (const auto *C : | |||
8445 | CurExecDir->getClausesOfKind<OMPUseDeviceAddrClause>()) { | |||
8446 | for (const auto L : C->component_lists()) { | |||
8447 | assert(!std::get<1>(L).empty() &&((!std::get<1>(L).empty() && "Not expecting empty list of components!" ) ? static_cast<void> (0) : __assert_fail ("!std::get<1>(L).empty() && \"Not expecting empty list of components!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8448, __PRETTY_FUNCTION__)) | |||
8448 | "Not expecting empty list of components!")((!std::get<1>(L).empty() && "Not expecting empty list of components!" ) ? static_cast<void> (0) : __assert_fail ("!std::get<1>(L).empty() && \"Not expecting empty list of components!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8448, __PRETTY_FUNCTION__)); | |||
8449 | const ValueDecl *VD = std::get<1>(L).back().getAssociatedDeclaration(); | |||
8450 | if (!Processed.insert(VD).second) | |||
8451 | continue; | |||
8452 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | |||
8453 | const Expr *IE = std::get<1>(L).back().getAssociatedExpression(); | |||
8454 | // If the first component is a member expression, we have to look into | |||
8455 | // 'this', which maps to null in the map of map information. Otherwise | |||
8456 | // look directly for the information. | |||
8457 | auto It = Info.find(isa<MemberExpr>(IE) ? nullptr : VD); | |||
8458 | ||||
8459 | // We potentially have map information for this declaration already. | |||
8460 | // Look for the first set of components that refer to it. | |||
8461 | if (It != Info.end()) { | |||
8462 | auto *CI = llvm::find_if(It->second, [VD](const MapInfo &MI) { | |||
8463 | return MI.Components.back().getAssociatedDeclaration() == VD; | |||
8464 | }); | |||
8465 | // If we found a map entry, signal that the pointer has to be returned | |||
8466 | // and move on to the next declaration. | |||
8467 | if (CI != It->second.end()) { | |||
8468 | CI->ReturnDevicePointer = true; | |||
8469 | continue; | |||
8470 | } | |||
8471 | } | |||
8472 | ||||
8473 | // We didn't find any match in our map information - generate a zero | |||
8474 | // size array section - if the pointer is a struct member we defer this | |||
8475 | // action until the whole struct has been processed. | |||
8476 | if (isa<MemberExpr>(IE)) { | |||
8477 | // Insert the pointer into Info to be processed by | |||
8478 | // generateInfoForComponentList. Because it is a member pointer | |||
8479 | // without a pointee, no entry will be generated for it, therefore | |||
8480 | // we need to generate one after the whole struct has been processed. | |||
8481 | // Nonetheless, generateInfoForComponentList must be called to take | |||
8482 | // the pointer into account for the calculation of the range of the | |||
8483 | // partial struct. | |||
8484 | InfoGen(nullptr, std::get<1>(L), OMPC_MAP_unknown, llvm::None, | |||
8485 | llvm::None, /*ReturnDevicePointer=*/false, C->isImplicit(), | |||
8486 | nullptr, nullptr, /*ForDeviceAddr=*/true); | |||
8487 | DeferredInfo[nullptr].emplace_back(IE, VD, /*ForDeviceAddr=*/true); | |||
8488 | } else { | |||
8489 | llvm::Value *Ptr; | |||
8490 | if (IE->isGLValue()) | |||
8491 | Ptr = CGF.EmitLValue(IE).getPointer(CGF); | |||
8492 | else | |||
8493 | Ptr = CGF.EmitScalarExpr(IE); | |||
8494 | CombinedInfo.Exprs.push_back(VD); | |||
8495 | CombinedInfo.BasePointers.emplace_back(Ptr, VD); | |||
8496 | CombinedInfo.Pointers.push_back(Ptr); | |||
8497 | CombinedInfo.Sizes.push_back( | |||
8498 | llvm::Constant::getNullValue(CGF.Int64Ty)); | |||
8499 | CombinedInfo.Types.push_back(OMP_MAP_RETURN_PARAM); | |||
8500 | CombinedInfo.Mappers.push_back(nullptr); | |||
8501 | } | |||
8502 | } | |||
8503 | } | |||
8504 | ||||
8505 | for (const auto &M : Info) { | |||
8506 | // Underlying variable declaration used in the map clause. | |||
8507 | const ValueDecl *VD = std::get<0>(M); | |||
8508 | ||||
8509 | // Temporary generated information. | |||
8510 | MapCombinedInfoTy CurInfo; | |||
8511 | StructRangeInfoTy PartialStruct; | |||
8512 | ||||
8513 | for (const MapInfo &L : M.second) { | |||
8514 | assert(!L.Components.empty() &&((!L.Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8515, __PRETTY_FUNCTION__)) | |||
8515 | "Not expecting declaration with no component lists.")((!L.Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8515, __PRETTY_FUNCTION__)); | |||
8516 | ||||
8517 | // Remember the current base pointer index. | |||
8518 | unsigned CurrentBasePointersIdx = CurInfo.BasePointers.size(); | |||
8519 | CurInfo.NonContigInfo.IsNonContiguous = | |||
8520 | L.Components.back().isNonContiguous(); | |||
8521 | generateInfoForComponentList( | |||
8522 | L.MapType, L.MapModifiers, L.MotionModifiers, L.Components, CurInfo, | |||
8523 | PartialStruct, /*IsFirstComponentList=*/false, L.IsImplicit, | |||
8524 | L.Mapper, L.ForDeviceAddr, VD, L.VarRef); | |||
8525 | ||||
8526 | // If this entry relates with a device pointer, set the relevant | |||
8527 | // declaration and add the 'return pointer' flag. | |||
8528 | if (L.ReturnDevicePointer) { | |||
8529 | assert(CurInfo.BasePointers.size() > CurrentBasePointersIdx &&((CurInfo.BasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? static_cast< void> (0) : __assert_fail ("CurInfo.BasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8530, __PRETTY_FUNCTION__)) | |||
8530 | "Unexpected number of mapped base pointers.")((CurInfo.BasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? static_cast< void> (0) : __assert_fail ("CurInfo.BasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8530, __PRETTY_FUNCTION__)); | |||
8531 | ||||
8532 | const ValueDecl *RelevantVD = | |||
8533 | L.Components.back().getAssociatedDeclaration(); | |||
8534 | assert(RelevantVD &&((RelevantVD && "No relevant declaration related with device pointer??" ) ? static_cast<void> (0) : __assert_fail ("RelevantVD && \"No relevant declaration related with device pointer??\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8535, __PRETTY_FUNCTION__)) | |||
8535 | "No relevant declaration related with device pointer??")((RelevantVD && "No relevant declaration related with device pointer??" ) ? static_cast<void> (0) : __assert_fail ("RelevantVD && \"No relevant declaration related with device pointer??\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8535, __PRETTY_FUNCTION__)); | |||
8536 | ||||
8537 | CurInfo.BasePointers[CurrentBasePointersIdx].setDevicePtrDecl( | |||
8538 | RelevantVD); | |||
8539 | CurInfo.Types[CurrentBasePointersIdx] |= OMP_MAP_RETURN_PARAM; | |||
8540 | } | |||
8541 | } | |||
8542 | ||||
8543 | // Append any pending zero-length pointers which are struct members and | |||
8544 | // used with use_device_ptr or use_device_addr. | |||
8545 | auto CI = DeferredInfo.find(M.first); | |||
8546 | if (CI != DeferredInfo.end()) { | |||
8547 | for (const DeferredDevicePtrEntryTy &L : CI->second) { | |||
8548 | llvm::Value *BasePtr; | |||
8549 | llvm::Value *Ptr; | |||
8550 | if (L.ForDeviceAddr) { | |||
8551 | if (L.IE->isGLValue()) | |||
8552 | Ptr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | |||
8553 | else | |||
8554 | Ptr = this->CGF.EmitScalarExpr(L.IE); | |||
8555 | BasePtr = Ptr; | |||
8556 | // Entry is RETURN_PARAM. Also, set the placeholder value | |||
8557 | // MEMBER_OF=FFFF so that the entry is later updated with the | |||
8558 | // correct value of MEMBER_OF. | |||
8559 | CurInfo.Types.push_back(OMP_MAP_RETURN_PARAM | OMP_MAP_MEMBER_OF); | |||
8560 | } else { | |||
8561 | BasePtr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | |||
8562 | Ptr = this->CGF.EmitLoadOfScalar(this->CGF.EmitLValue(L.IE), | |||
8563 | L.IE->getExprLoc()); | |||
8564 | // Entry is PTR_AND_OBJ and RETURN_PARAM. Also, set the placeholder | |||
8565 | // value MEMBER_OF=FFFF so that the entry is later updated with the | |||
8566 | // correct value of MEMBER_OF. | |||
8567 | CurInfo.Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_RETURN_PARAM | | |||
8568 | OMP_MAP_MEMBER_OF); | |||
8569 | } | |||
8570 | CurInfo.Exprs.push_back(L.VD); | |||
8571 | CurInfo.BasePointers.emplace_back(BasePtr, L.VD); | |||
8572 | CurInfo.Pointers.push_back(Ptr); | |||
8573 | CurInfo.Sizes.push_back( | |||
8574 | llvm::Constant::getNullValue(this->CGF.Int64Ty)); | |||
8575 | CurInfo.Mappers.push_back(nullptr); | |||
8576 | } | |||
8577 | } | |||
8578 | ||||
8579 | // If there is an entry in PartialStruct it means we have a struct with | |||
8580 | // individual members mapped. Emit an extra combined entry. | |||
8581 | if (PartialStruct.Base.isValid()) | |||
8582 | emitCombinedEntry(CombinedInfo, CurInfo.Types, PartialStruct, VD); | |||
8583 | ||||
8584 | // We need to append the results of this capture to what we already have. | |||
8585 | CombinedInfo.append(CurInfo); | |||
8586 | } | |||
8587 | // Append data for use_device_ptr clauses. | |||
8588 | CombinedInfo.append(UseDevicePtrCombinedInfo); | |||
8589 | } | |||
8590 | ||||
8591 | /// Generate all the base pointers, section pointers, sizes, map types, and | |||
8592 | /// mappers for the extracted map clauses of user-defined mapper (all included | |||
8593 | /// in \a CombinedInfo). | |||
8594 | void generateAllInfoForMapper(MapCombinedInfoTy &CombinedInfo) const { | |||
8595 | assert(CurDir.is<const OMPDeclareMapperDecl *>() &&((CurDir.is<const OMPDeclareMapperDecl *>() && "Expect a declare mapper directive" ) ? static_cast<void> (0) : __assert_fail ("CurDir.is<const OMPDeclareMapperDecl *>() && \"Expect a declare mapper directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8596, __PRETTY_FUNCTION__)) | |||
8596 | "Expect a declare mapper directive")((CurDir.is<const OMPDeclareMapperDecl *>() && "Expect a declare mapper directive" ) ? static_cast<void> (0) : __assert_fail ("CurDir.is<const OMPDeclareMapperDecl *>() && \"Expect a declare mapper directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8596, __PRETTY_FUNCTION__)); | |||
8597 | const auto *CurMapperDir = CurDir.get<const OMPDeclareMapperDecl *>(); | |||
8598 | // We have to process the component lists that relate with the same | |||
8599 | // declaration in a single chunk so that we can generate the map flags | |||
8600 | // correctly. Therefore, we organize all lists in a map. | |||
8601 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | |||
8602 | ||||
8603 | // Fill the information map for map clauses. | |||
8604 | for (const auto *C : CurMapperDir->clauselists()) { | |||
8605 | const auto *MC = cast<OMPMapClause>(C); | |||
8606 | const auto *EI = MC->getVarRefs().begin(); | |||
8607 | for (const auto L : MC->component_lists()) { | |||
8608 | // The Expression is not correct if the mapping is implicit | |||
8609 | const Expr *E = (MC->getMapLoc().isValid()) ? *EI : nullptr; | |||
8610 | const ValueDecl *VD = | |||
8611 | std::get<0>(L) ? cast<ValueDecl>(std::get<0>(L)->getCanonicalDecl()) | |||
8612 | : nullptr; | |||
8613 | // Get the corresponding user-defined mapper. | |||
8614 | Info[VD].emplace_back(std::get<1>(L), MC->getMapType(), | |||
8615 | MC->getMapTypeModifiers(), llvm::None, | |||
8616 | /*ReturnDevicePointer=*/false, MC->isImplicit(), | |||
8617 | std::get<2>(L), E); | |||
8618 | ++EI; | |||
8619 | } | |||
8620 | } | |||
8621 | ||||
8622 | for (const auto &M : Info) { | |||
8623 | // We need to know when we generate information for the first component | |||
8624 | // associated with a capture, because the mapping flags depend on it. | |||
8625 | bool IsFirstComponentList = true; | |||
8626 | ||||
8627 | // Underlying variable declaration used in the map clause. | |||
8628 | const ValueDecl *VD = std::get<0>(M); | |||
8629 | ||||
8630 | // Temporary generated information. | |||
8631 | MapCombinedInfoTy CurInfo; | |||
8632 | StructRangeInfoTy PartialStruct; | |||
8633 | ||||
8634 | for (const MapInfo &L : M.second) { | |||
8635 | assert(!L.Components.empty() &&((!L.Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8636, __PRETTY_FUNCTION__)) | |||
8636 | "Not expecting declaration with no component lists.")((!L.Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8636, __PRETTY_FUNCTION__)); | |||
8637 | generateInfoForComponentList( | |||
8638 | L.MapType, L.MapModifiers, L.MotionModifiers, L.Components, CurInfo, | |||
8639 | PartialStruct, IsFirstComponentList, L.IsImplicit, L.Mapper, | |||
8640 | L.ForDeviceAddr, VD, L.VarRef); | |||
8641 | IsFirstComponentList = false; | |||
8642 | } | |||
8643 | ||||
8644 | // If there is an entry in PartialStruct it means we have a struct with | |||
8645 | // individual members mapped. Emit an extra combined entry. | |||
8646 | if (PartialStruct.Base.isValid()) { | |||
8647 | CurInfo.NonContigInfo.Dims.push_back(0); | |||
8648 | emitCombinedEntry(CombinedInfo, CurInfo.Types, PartialStruct, VD); | |||
8649 | } | |||
8650 | ||||
8651 | // We need to append the results of this capture to what we already have. | |||
8652 | CombinedInfo.append(CurInfo); | |||
8653 | } | |||
8654 | } | |||
8655 | ||||
8656 | /// Emit capture info for lambdas for variables captured by reference. | |||
8657 | void generateInfoForLambdaCaptures( | |||
8658 | const ValueDecl *VD, llvm::Value *Arg, MapCombinedInfoTy &CombinedInfo, | |||
8659 | llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers) const { | |||
8660 | const auto *RD = VD->getType() | |||
8661 | .getCanonicalType() | |||
8662 | .getNonReferenceType() | |||
8663 | ->getAsCXXRecordDecl(); | |||
8664 | if (!RD || !RD->isLambda()) | |||
8665 | return; | |||
8666 | Address VDAddr = Address(Arg, CGF.getContext().getDeclAlign(VD)); | |||
8667 | LValue VDLVal = CGF.MakeAddrLValue( | |||
8668 | VDAddr, VD->getType().getCanonicalType().getNonReferenceType()); | |||
8669 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | |||
8670 | FieldDecl *ThisCapture = nullptr; | |||
8671 | RD->getCaptureFields(Captures, ThisCapture); | |||
8672 | if (ThisCapture) { | |||
8673 | LValue ThisLVal = | |||
8674 | CGF.EmitLValueForFieldInitialization(VDLVal, ThisCapture); | |||
8675 | LValue ThisLValVal = CGF.EmitLValueForField(VDLVal, ThisCapture); | |||
8676 | LambdaPointers.try_emplace(ThisLVal.getPointer(CGF), | |||
8677 | VDLVal.getPointer(CGF)); | |||
8678 | CombinedInfo.Exprs.push_back(VD); | |||
8679 | CombinedInfo.BasePointers.push_back(ThisLVal.getPointer(CGF)); | |||
8680 | CombinedInfo.Pointers.push_back(ThisLValVal.getPointer(CGF)); | |||
8681 | CombinedInfo.Sizes.push_back( | |||
8682 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | |||
8683 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8684 | CombinedInfo.Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8685 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | |||
8686 | CombinedInfo.Mappers.push_back(nullptr); | |||
8687 | } | |||
8688 | for (const LambdaCapture &LC : RD->captures()) { | |||
8689 | if (!LC.capturesVariable()) | |||
8690 | continue; | |||
8691 | const VarDecl *VD = LC.getCapturedVar(); | |||
8692 | if (LC.getCaptureKind() != LCK_ByRef && !VD->getType()->isPointerType()) | |||
8693 | continue; | |||
8694 | auto It = Captures.find(VD); | |||
8695 | assert(It != Captures.end() && "Found lambda capture without field.")((It != Captures.end() && "Found lambda capture without field." ) ? static_cast<void> (0) : __assert_fail ("It != Captures.end() && \"Found lambda capture without field.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8695, __PRETTY_FUNCTION__)); | |||
8696 | LValue VarLVal = CGF.EmitLValueForFieldInitialization(VDLVal, It->second); | |||
8697 | if (LC.getCaptureKind() == LCK_ByRef) { | |||
8698 | LValue VarLValVal = CGF.EmitLValueForField(VDLVal, It->second); | |||
8699 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | |||
8700 | VDLVal.getPointer(CGF)); | |||
8701 | CombinedInfo.Exprs.push_back(VD); | |||
8702 | CombinedInfo.BasePointers.push_back(VarLVal.getPointer(CGF)); | |||
8703 | CombinedInfo.Pointers.push_back(VarLValVal.getPointer(CGF)); | |||
8704 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
8705 | CGF.getTypeSize( | |||
8706 | VD->getType().getCanonicalType().getNonReferenceType()), | |||
8707 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8708 | } else { | |||
8709 | RValue VarRVal = CGF.EmitLoadOfLValue(VarLVal, RD->getLocation()); | |||
8710 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | |||
8711 | VDLVal.getPointer(CGF)); | |||
8712 | CombinedInfo.Exprs.push_back(VD); | |||
8713 | CombinedInfo.BasePointers.push_back(VarLVal.getPointer(CGF)); | |||
8714 | CombinedInfo.Pointers.push_back(VarRVal.getScalarVal()); | |||
8715 | CombinedInfo.Sizes.push_back(llvm::ConstantInt::get(CGF.Int64Ty, 0)); | |||
8716 | } | |||
8717 | CombinedInfo.Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8718 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | |||
8719 | CombinedInfo.Mappers.push_back(nullptr); | |||
8720 | } | |||
8721 | } | |||
8722 | ||||
8723 | /// Set correct indices for lambdas captures. | |||
8724 | void adjustMemberOfForLambdaCaptures( | |||
8725 | const llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers, | |||
8726 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | |||
8727 | MapFlagsArrayTy &Types) const { | |||
8728 | for (unsigned I = 0, E = Types.size(); I < E; ++I) { | |||
8729 | // Set correct member_of idx for all implicit lambda captures. | |||
8730 | if (Types[I] != (OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8731 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT)) | |||
8732 | continue; | |||
8733 | llvm::Value *BasePtr = LambdaPointers.lookup(*BasePointers[I]); | |||
8734 | assert(BasePtr && "Unable to find base lambda address.")((BasePtr && "Unable to find base lambda address.") ? static_cast<void> (0) : __assert_fail ("BasePtr && \"Unable to find base lambda address.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8734, __PRETTY_FUNCTION__)); | |||
8735 | int TgtIdx = -1; | |||
8736 | for (unsigned J = I; J > 0; --J) { | |||
8737 | unsigned Idx = J - 1; | |||
8738 | if (Pointers[Idx] != BasePtr) | |||
8739 | continue; | |||
8740 | TgtIdx = Idx; | |||
8741 | break; | |||
8742 | } | |||
8743 | assert(TgtIdx != -1 && "Unable to find parent lambda.")((TgtIdx != -1 && "Unable to find parent lambda.") ? static_cast <void> (0) : __assert_fail ("TgtIdx != -1 && \"Unable to find parent lambda.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8743, __PRETTY_FUNCTION__)); | |||
8744 | // All other current entries will be MEMBER_OF the combined entry | |||
8745 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | |||
8746 | // 0xFFFF in the MEMBER_OF field). | |||
8747 | OpenMPOffloadMappingFlags MemberOfFlag = getMemberOfFlag(TgtIdx); | |||
8748 | setCorrectMemberOfFlag(Types[I], MemberOfFlag); | |||
8749 | } | |||
8750 | } | |||
8751 | ||||
8752 | /// Generate the base pointers, section pointers, sizes, map types, and | |||
8753 | /// mappers associated to a given capture (all included in \a CombinedInfo). | |||
8754 | void generateInfoForCapture(const CapturedStmt::Capture *Cap, | |||
8755 | llvm::Value *Arg, MapCombinedInfoTy &CombinedInfo, | |||
8756 | StructRangeInfoTy &PartialStruct) const { | |||
8757 | assert(!Cap->capturesVariableArrayType() &&((!Cap->capturesVariableArrayType() && "Not expecting to generate map info for a variable array type!" ) ? static_cast<void> (0) : __assert_fail ("!Cap->capturesVariableArrayType() && \"Not expecting to generate map info for a variable array type!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8758, __PRETTY_FUNCTION__)) | |||
8758 | "Not expecting to generate map info for a variable array type!")((!Cap->capturesVariableArrayType() && "Not expecting to generate map info for a variable array type!" ) ? static_cast<void> (0) : __assert_fail ("!Cap->capturesVariableArrayType() && \"Not expecting to generate map info for a variable array type!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8758, __PRETTY_FUNCTION__)); | |||
8759 | ||||
8760 | // We need to know when we generating information for the first component | |||
8761 | const ValueDecl *VD = Cap->capturesThis() | |||
8762 | ? nullptr | |||
8763 | : Cap->getCapturedVar()->getCanonicalDecl(); | |||
8764 | ||||
8765 | // If this declaration appears in a is_device_ptr clause we just have to | |||
8766 | // pass the pointer by value. If it is a reference to a declaration, we just | |||
8767 | // pass its value. | |||
8768 | if (DevPointersMap.count(VD)) { | |||
8769 | CombinedInfo.Exprs.push_back(VD); | |||
8770 | CombinedInfo.BasePointers.emplace_back(Arg, VD); | |||
8771 | CombinedInfo.Pointers.push_back(Arg); | |||
8772 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
8773 | CGF.getTypeSize(CGF.getContext().VoidPtrTy), CGF.Int64Ty, | |||
8774 | /*isSigned=*/true)); | |||
8775 | CombinedInfo.Types.push_back( | |||
8776 | (Cap->capturesVariable() ? OMP_MAP_TO : OMP_MAP_LITERAL) | | |||
8777 | OMP_MAP_TARGET_PARAM); | |||
8778 | CombinedInfo.Mappers.push_back(nullptr); | |||
8779 | return; | |||
8780 | } | |||
8781 | ||||
8782 | using MapData = | |||
8783 | std::tuple<OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
8784 | OpenMPMapClauseKind, ArrayRef<OpenMPMapModifierKind>, bool, | |||
8785 | const ValueDecl *, const Expr *>; | |||
8786 | SmallVector<MapData, 4> DeclComponentLists; | |||
8787 | assert(CurDir.is<const OMPExecutableDirective *>() &&((CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? static_cast<void> ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8788, __PRETTY_FUNCTION__)) | |||
8788 | "Expect a executable directive")((CurDir.is<const OMPExecutableDirective *>() && "Expect a executable directive") ? static_cast<void> ( 0) : __assert_fail ("CurDir.is<const OMPExecutableDirective *>() && \"Expect a executable directive\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8788, __PRETTY_FUNCTION__)); | |||
8789 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | |||
8790 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | |||
8791 | const auto *EI = C->getVarRefs().begin(); | |||
8792 | for (const auto L : C->decl_component_lists(VD)) { | |||
8793 | const ValueDecl *VDecl, *Mapper; | |||
8794 | // The Expression is not correct if the mapping is implicit | |||
8795 | const Expr *E = (C->getMapLoc().isValid()) ? *EI : nullptr; | |||
8796 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8797 | std::tie(VDecl, Components, Mapper) = L; | |||
8798 | assert(VDecl == VD && "We got information for the wrong declaration??")((VDecl == VD && "We got information for the wrong declaration??" ) ? static_cast<void> (0) : __assert_fail ("VDecl == VD && \"We got information for the wrong declaration??\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8798, __PRETTY_FUNCTION__)); | |||
8799 | assert(!Components.empty() &&((!Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8800, __PRETTY_FUNCTION__)) | |||
8800 | "Not expecting declaration with no component lists.")((!Components.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!Components.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8800, __PRETTY_FUNCTION__)); | |||
8801 | DeclComponentLists.emplace_back(Components, C->getMapType(), | |||
8802 | C->getMapTypeModifiers(), | |||
8803 | C->isImplicit(), Mapper, E); | |||
8804 | ++EI; | |||
8805 | } | |||
8806 | } | |||
8807 | ||||
8808 | // Find overlapping elements (including the offset from the base element). | |||
8809 | llvm::SmallDenseMap< | |||
8810 | const MapData *, | |||
8811 | llvm::SmallVector< | |||
8812 | OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>, | |||
8813 | 4> | |||
8814 | OverlappedData; | |||
8815 | size_t Count = 0; | |||
8816 | for (const MapData &L : DeclComponentLists) { | |||
8817 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8818 | OpenMPMapClauseKind MapType; | |||
8819 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8820 | bool IsImplicit; | |||
8821 | const ValueDecl *Mapper; | |||
8822 | const Expr *VarRef; | |||
8823 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | |||
8824 | L; | |||
8825 | ++Count; | |||
8826 | for (const MapData &L1 : makeArrayRef(DeclComponentLists).slice(Count)) { | |||
8827 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components1; | |||
8828 | std::tie(Components1, MapType, MapModifiers, IsImplicit, Mapper, | |||
8829 | VarRef) = L1; | |||
8830 | auto CI = Components.rbegin(); | |||
8831 | auto CE = Components.rend(); | |||
8832 | auto SI = Components1.rbegin(); | |||
8833 | auto SE = Components1.rend(); | |||
8834 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
8835 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
8836 | SI->getAssociatedExpression()->getStmtClass()) | |||
8837 | break; | |||
8838 | // Are we dealing with different variables/fields? | |||
8839 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | |||
8840 | break; | |||
8841 | } | |||
8842 | // Found overlapping if, at least for one component, reached the head of | |||
8843 | // the components list. | |||
8844 | if (CI == CE || SI == SE) { | |||
8845 | assert((CI != CE || SI != SE) &&(((CI != CE || SI != SE) && "Unexpected full match of the mapping components." ) ? static_cast<void> (0) : __assert_fail ("(CI != CE || SI != SE) && \"Unexpected full match of the mapping components.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8846, __PRETTY_FUNCTION__)) | |||
8846 | "Unexpected full match of the mapping components.")(((CI != CE || SI != SE) && "Unexpected full match of the mapping components." ) ? static_cast<void> (0) : __assert_fail ("(CI != CE || SI != SE) && \"Unexpected full match of the mapping components.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8846, __PRETTY_FUNCTION__)); | |||
8847 | const MapData &BaseData = CI == CE ? L : L1; | |||
8848 | OMPClauseMappableExprCommon::MappableExprComponentListRef SubData = | |||
8849 | SI == SE ? Components : Components1; | |||
8850 | auto &OverlappedElements = OverlappedData.FindAndConstruct(&BaseData); | |||
8851 | OverlappedElements.getSecond().push_back(SubData); | |||
8852 | } | |||
8853 | } | |||
8854 | } | |||
8855 | // Sort the overlapped elements for each item. | |||
8856 | llvm::SmallVector<const FieldDecl *, 4> Layout; | |||
8857 | if (!OverlappedData.empty()) { | |||
8858 | if (const auto *CRD = | |||
8859 | VD->getType().getCanonicalType()->getAsCXXRecordDecl()) | |||
8860 | getPlainLayout(CRD, Layout, /*AsBase=*/false); | |||
8861 | else { | |||
8862 | const auto *RD = VD->getType().getCanonicalType()->getAsRecordDecl(); | |||
8863 | Layout.append(RD->field_begin(), RD->field_end()); | |||
8864 | } | |||
8865 | } | |||
8866 | for (auto &Pair : OverlappedData) { | |||
8867 | llvm::sort( | |||
8868 | Pair.getSecond(), | |||
8869 | [&Layout]( | |||
8870 | OMPClauseMappableExprCommon::MappableExprComponentListRef First, | |||
8871 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
8872 | Second) { | |||
8873 | auto CI = First.rbegin(); | |||
8874 | auto CE = First.rend(); | |||
8875 | auto SI = Second.rbegin(); | |||
8876 | auto SE = Second.rend(); | |||
8877 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
8878 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
8879 | SI->getAssociatedExpression()->getStmtClass()) | |||
8880 | break; | |||
8881 | // Are we dealing with different variables/fields? | |||
8882 | if (CI->getAssociatedDeclaration() != | |||
8883 | SI->getAssociatedDeclaration()) | |||
8884 | break; | |||
8885 | } | |||
8886 | ||||
8887 | // Lists contain the same elements. | |||
8888 | if (CI == CE && SI == SE) | |||
8889 | return false; | |||
8890 | ||||
8891 | // List with less elements is less than list with more elements. | |||
8892 | if (CI == CE || SI == SE) | |||
8893 | return CI == CE; | |||
8894 | ||||
8895 | const auto *FD1 = cast<FieldDecl>(CI->getAssociatedDeclaration()); | |||
8896 | const auto *FD2 = cast<FieldDecl>(SI->getAssociatedDeclaration()); | |||
8897 | if (FD1->getParent() == FD2->getParent()) | |||
8898 | return FD1->getFieldIndex() < FD2->getFieldIndex(); | |||
8899 | const auto It = | |||
8900 | llvm::find_if(Layout, [FD1, FD2](const FieldDecl *FD) { | |||
8901 | return FD == FD1 || FD == FD2; | |||
8902 | }); | |||
8903 | return *It == FD1; | |||
8904 | }); | |||
8905 | } | |||
8906 | ||||
8907 | // Associated with a capture, because the mapping flags depend on it. | |||
8908 | // Go through all of the elements with the overlapped elements. | |||
8909 | for (const auto &Pair : OverlappedData) { | |||
8910 | const MapData &L = *Pair.getFirst(); | |||
8911 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8912 | OpenMPMapClauseKind MapType; | |||
8913 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8914 | bool IsImplicit; | |||
8915 | const ValueDecl *Mapper; | |||
8916 | const Expr *VarRef; | |||
8917 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | |||
8918 | L; | |||
8919 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | |||
8920 | OverlappedComponents = Pair.getSecond(); | |||
8921 | bool IsFirstComponentList = true; | |||
8922 | generateInfoForComponentList( | |||
8923 | MapType, MapModifiers, llvm::None, Components, CombinedInfo, | |||
8924 | PartialStruct, IsFirstComponentList, IsImplicit, Mapper, | |||
8925 | /*ForDeviceAddr=*/false, VD, VarRef, OverlappedComponents); | |||
8926 | } | |||
8927 | // Go through other elements without overlapped elements. | |||
8928 | bool IsFirstComponentList = OverlappedData.empty(); | |||
8929 | for (const MapData &L : DeclComponentLists) { | |||
8930 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8931 | OpenMPMapClauseKind MapType; | |||
8932 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8933 | bool IsImplicit; | |||
8934 | const ValueDecl *Mapper; | |||
8935 | const Expr *VarRef; | |||
8936 | std::tie(Components, MapType, MapModifiers, IsImplicit, Mapper, VarRef) = | |||
8937 | L; | |||
8938 | auto It = OverlappedData.find(&L); | |||
8939 | if (It == OverlappedData.end()) | |||
8940 | generateInfoForComponentList(MapType, MapModifiers, llvm::None, | |||
8941 | Components, CombinedInfo, PartialStruct, | |||
8942 | IsFirstComponentList, IsImplicit, Mapper, | |||
8943 | /*ForDeviceAddr=*/false, VD, VarRef); | |||
8944 | IsFirstComponentList = false; | |||
8945 | } | |||
8946 | } | |||
8947 | ||||
8948 | /// Generate the default map information for a given capture \a CI, | |||
8949 | /// record field declaration \a RI and captured value \a CV. | |||
8950 | void generateDefaultMapInfo(const CapturedStmt::Capture &CI, | |||
8951 | const FieldDecl &RI, llvm::Value *CV, | |||
8952 | MapCombinedInfoTy &CombinedInfo) const { | |||
8953 | bool IsImplicit = true; | |||
8954 | // Do the default mapping. | |||
8955 | if (CI.capturesThis()) { | |||
8956 | CombinedInfo.Exprs.push_back(nullptr); | |||
8957 | CombinedInfo.BasePointers.push_back(CV); | |||
8958 | CombinedInfo.Pointers.push_back(CV); | |||
8959 | const auto *PtrTy = cast<PointerType>(RI.getType().getTypePtr()); | |||
8960 | CombinedInfo.Sizes.push_back( | |||
8961 | CGF.Builder.CreateIntCast(CGF.getTypeSize(PtrTy->getPointeeType()), | |||
8962 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8963 | // Default map type. | |||
8964 | CombinedInfo.Types.push_back(OMP_MAP_TO | OMP_MAP_FROM); | |||
8965 | } else if (CI.capturesVariableByCopy()) { | |||
8966 | const VarDecl *VD = CI.getCapturedVar(); | |||
8967 | CombinedInfo.Exprs.push_back(VD->getCanonicalDecl()); | |||
8968 | CombinedInfo.BasePointers.push_back(CV); | |||
8969 | CombinedInfo.Pointers.push_back(CV); | |||
8970 | if (!RI.getType()->isAnyPointerType()) { | |||
8971 | // We have to signal to the runtime captures passed by value that are | |||
8972 | // not pointers. | |||
8973 | CombinedInfo.Types.push_back(OMP_MAP_LITERAL); | |||
8974 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
8975 | CGF.getTypeSize(RI.getType()), CGF.Int64Ty, /*isSigned=*/true)); | |||
8976 | } else { | |||
8977 | // Pointers are implicitly mapped with a zero size and no flags | |||
8978 | // (other than first map that is added for all implicit maps). | |||
8979 | CombinedInfo.Types.push_back(OMP_MAP_NONE); | |||
8980 | CombinedInfo.Sizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | |||
8981 | } | |||
8982 | auto I = FirstPrivateDecls.find(VD); | |||
8983 | if (I != FirstPrivateDecls.end()) | |||
8984 | IsImplicit = I->getSecond(); | |||
8985 | } else { | |||
8986 | assert(CI.capturesVariable() && "Expected captured reference.")((CI.capturesVariable() && "Expected captured reference." ) ? static_cast<void> (0) : __assert_fail ("CI.capturesVariable() && \"Expected captured reference.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8986, __PRETTY_FUNCTION__)); | |||
8987 | const auto *PtrTy = cast<ReferenceType>(RI.getType().getTypePtr()); | |||
8988 | QualType ElementType = PtrTy->getPointeeType(); | |||
8989 | CombinedInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
8990 | CGF.getTypeSize(ElementType), CGF.Int64Ty, /*isSigned=*/true)); | |||
8991 | // The default map type for a scalar/complex type is 'to' because by | |||
8992 | // default the value doesn't have to be retrieved. For an aggregate | |||
8993 | // type, the default is 'tofrom'. | |||
8994 | CombinedInfo.Types.push_back(getMapModifiersForPrivateClauses(CI)); | |||
8995 | const VarDecl *VD = CI.getCapturedVar(); | |||
8996 | auto I = FirstPrivateDecls.find(VD); | |||
8997 | if (I != FirstPrivateDecls.end() && | |||
8998 | VD->getType().isConstant(CGF.getContext())) { | |||
8999 | llvm::Constant *Addr = | |||
9000 | CGF.CGM.getOpenMPRuntime().registerTargetFirstprivateCopy(CGF, VD); | |||
9001 | // Copy the value of the original variable to the new global copy. | |||
9002 | CGF.Builder.CreateMemCpy( | |||
9003 | CGF.MakeNaturalAlignAddrLValue(Addr, ElementType).getAddress(CGF), | |||
9004 | Address(CV, CGF.getContext().getTypeAlignInChars(ElementType)), | |||
9005 | CombinedInfo.Sizes.back(), /*IsVolatile=*/false); | |||
9006 | // Use new global variable as the base pointers. | |||
9007 | CombinedInfo.Exprs.push_back(VD->getCanonicalDecl()); | |||
9008 | CombinedInfo.BasePointers.push_back(Addr); | |||
9009 | CombinedInfo.Pointers.push_back(Addr); | |||
9010 | } else { | |||
9011 | CombinedInfo.Exprs.push_back(VD->getCanonicalDecl()); | |||
9012 | CombinedInfo.BasePointers.push_back(CV); | |||
9013 | if (I != FirstPrivateDecls.end() && ElementType->isAnyPointerType()) { | |||
9014 | Address PtrAddr = CGF.EmitLoadOfReference(CGF.MakeAddrLValue( | |||
9015 | CV, ElementType, CGF.getContext().getDeclAlign(VD), | |||
9016 | AlignmentSource::Decl)); | |||
9017 | CombinedInfo.Pointers.push_back(PtrAddr.getPointer()); | |||
9018 | } else { | |||
9019 | CombinedInfo.Pointers.push_back(CV); | |||
9020 | } | |||
9021 | } | |||
9022 | if (I != FirstPrivateDecls.end()) | |||
9023 | IsImplicit = I->getSecond(); | |||
9024 | } | |||
9025 | // Every default map produces a single argument which is a target parameter. | |||
9026 | CombinedInfo.Types.back() |= OMP_MAP_TARGET_PARAM; | |||
9027 | ||||
9028 | // Add flag stating this is an implicit map. | |||
9029 | if (IsImplicit) | |||
9030 | CombinedInfo.Types.back() |= OMP_MAP_IMPLICIT; | |||
9031 | ||||
9032 | // No user-defined mapper for default mapping. | |||
9033 | CombinedInfo.Mappers.push_back(nullptr); | |||
9034 | } | |||
9035 | }; | |||
9036 | } // anonymous namespace | |||
9037 | ||||
9038 | static void emitNonContiguousDescriptor( | |||
9039 | CodeGenFunction &CGF, MappableExprsHandler::MapCombinedInfoTy &CombinedInfo, | |||
9040 | CGOpenMPRuntime::TargetDataInfo &Info) { | |||
9041 | CodeGenModule &CGM = CGF.CGM; | |||
9042 | MappableExprsHandler::MapCombinedInfoTy::StructNonContiguousInfo | |||
9043 | &NonContigInfo = CombinedInfo.NonContigInfo; | |||
9044 | ||||
9045 | // Build an array of struct descriptor_dim and then assign it to | |||
9046 | // offload_args. | |||
9047 | // | |||
9048 | // struct descriptor_dim { | |||
9049 | // uint64_t offset; | |||
9050 | // uint64_t count; | |||
9051 | // uint64_t stride | |||
9052 | // }; | |||
9053 | ASTContext &C = CGF.getContext(); | |||
9054 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
9055 | RecordDecl *RD; | |||
9056 | RD = C.buildImplicitRecord("descriptor_dim"); | |||
9057 | RD->startDefinition(); | |||
9058 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
9059 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
9060 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
9061 | RD->completeDefinition(); | |||
9062 | QualType DimTy = C.getRecordType(RD); | |||
9063 | ||||
9064 | enum { OffsetFD = 0, CountFD, StrideFD }; | |||
9065 | // We need two index variable here since the size of "Dims" is the same as the | |||
9066 | // size of Components, however, the size of offset, count, and stride is equal | |||
9067 | // to the size of base declaration that is non-contiguous. | |||
9068 | for (unsigned I = 0, L = 0, E = NonContigInfo.Dims.size(); I < E; ++I) { | |||
9069 | // Skip emitting ir if dimension size is 1 since it cannot be | |||
9070 | // non-contiguous. | |||
9071 | if (NonContigInfo.Dims[I] == 1) | |||
9072 | continue; | |||
9073 | llvm::APInt Size(/*numBits=*/32, NonContigInfo.Dims[I]); | |||
9074 | QualType ArrayTy = | |||
9075 | C.getConstantArrayType(DimTy, Size, nullptr, ArrayType::Normal, 0); | |||
9076 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | |||
9077 | for (unsigned II = 0, EE = NonContigInfo.Dims[I]; II < EE; ++II) { | |||
9078 | unsigned RevIdx = EE - II - 1; | |||
9079 | LValue DimsLVal = CGF.MakeAddrLValue( | |||
9080 | CGF.Builder.CreateConstArrayGEP(DimsAddr, II), DimTy); | |||
9081 | // Offset | |||
9082 | LValue OffsetLVal = CGF.EmitLValueForField( | |||
9083 | DimsLVal, *std::next(RD->field_begin(), OffsetFD)); | |||
9084 | CGF.EmitStoreOfScalar(NonContigInfo.Offsets[L][RevIdx], OffsetLVal); | |||
9085 | // Count | |||
9086 | LValue CountLVal = CGF.EmitLValueForField( | |||
9087 | DimsLVal, *std::next(RD->field_begin(), CountFD)); | |||
9088 | CGF.EmitStoreOfScalar(NonContigInfo.Counts[L][RevIdx], CountLVal); | |||
9089 | // Stride | |||
9090 | LValue StrideLVal = CGF.EmitLValueForField( | |||
9091 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | |||
9092 | CGF.EmitStoreOfScalar(NonContigInfo.Strides[L][RevIdx], StrideLVal); | |||
9093 | } | |||
9094 | // args[I] = &dims | |||
9095 | Address DAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
9096 | DimsAddr, CGM.Int8PtrTy); | |||
9097 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9098 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9099 | Info.PointersArray, 0, I); | |||
9100 | Address PAddr(P, CGF.getPointerAlign()); | |||
9101 | CGF.Builder.CreateStore(DAddr.getPointer(), PAddr); | |||
9102 | ++L; | |||
9103 | } | |||
9104 | } | |||
9105 | ||||
9106 | /// Emit a string constant containing the names of the values mapped to the | |||
9107 | /// offloading runtime library. | |||
9108 | llvm::Constant * | |||
9109 | emitMappingInformation(CodeGenFunction &CGF, llvm::OpenMPIRBuilder &OMPBuilder, | |||
9110 | MappableExprsHandler::MappingExprInfo &MapExprs) { | |||
9111 | llvm::Constant *SrcLocStr; | |||
9112 | if (!MapExprs.getMapDecl()) { | |||
9113 | SrcLocStr = OMPBuilder.getOrCreateDefaultSrcLocStr(); | |||
9114 | } else { | |||
9115 | std::string ExprName = ""; | |||
9116 | if (MapExprs.getMapExpr()) { | |||
9117 | PrintingPolicy P(CGF.getContext().getLangOpts()); | |||
9118 | llvm::raw_string_ostream OS(ExprName); | |||
9119 | MapExprs.getMapExpr()->printPretty(OS, nullptr, P); | |||
9120 | OS.flush(); | |||
9121 | } else { | |||
9122 | ExprName = MapExprs.getMapDecl()->getNameAsString(); | |||
9123 | } | |||
9124 | ||||
9125 | SourceLocation Loc = MapExprs.getMapDecl()->getLocation(); | |||
9126 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | |||
9127 | const char *FileName = PLoc.getFilename(); | |||
9128 | unsigned Line = PLoc.getLine(); | |||
9129 | unsigned Column = PLoc.getColumn(); | |||
9130 | SrcLocStr = OMPBuilder.getOrCreateSrcLocStr(FileName, ExprName.c_str(), | |||
9131 | Line, Column); | |||
9132 | } | |||
9133 | ||||
9134 | return SrcLocStr; | |||
9135 | } | |||
9136 | ||||
9137 | /// Emit the arrays used to pass the captures and map information to the | |||
9138 | /// offloading runtime library. If there is no map or capture information, | |||
9139 | /// return nullptr by reference. | |||
9140 | static void emitOffloadingArrays( | |||
9141 | CodeGenFunction &CGF, MappableExprsHandler::MapCombinedInfoTy &CombinedInfo, | |||
9142 | CGOpenMPRuntime::TargetDataInfo &Info, llvm::OpenMPIRBuilder &OMPBuilder, | |||
9143 | bool IsNonContiguous = false) { | |||
9144 | CodeGenModule &CGM = CGF.CGM; | |||
9145 | ASTContext &Ctx = CGF.getContext(); | |||
9146 | ||||
9147 | // Reset the array information. | |||
9148 | Info.clearArrayInfo(); | |||
9149 | Info.NumberOfPtrs = CombinedInfo.BasePointers.size(); | |||
9150 | ||||
9151 | if (Info.NumberOfPtrs) { | |||
9152 | // Detect if we have any capture size requiring runtime evaluation of the | |||
9153 | // size so that a constant array could be eventually used. | |||
9154 | bool hasRuntimeEvaluationCaptureSize = false; | |||
9155 | for (llvm::Value *S : CombinedInfo.Sizes) | |||
9156 | if (!isa<llvm::Constant>(S)) { | |||
9157 | hasRuntimeEvaluationCaptureSize = true; | |||
9158 | break; | |||
9159 | } | |||
9160 | ||||
9161 | llvm::APInt PointerNumAP(32, Info.NumberOfPtrs, /*isSigned=*/true); | |||
9162 | QualType PointerArrayType = Ctx.getConstantArrayType( | |||
9163 | Ctx.VoidPtrTy, PointerNumAP, nullptr, ArrayType::Normal, | |||
9164 | /*IndexTypeQuals=*/0); | |||
9165 | ||||
9166 | Info.BasePointersArray = | |||
9167 | CGF.CreateMemTemp(PointerArrayType, ".offload_baseptrs").getPointer(); | |||
9168 | Info.PointersArray = | |||
9169 | CGF.CreateMemTemp(PointerArrayType, ".offload_ptrs").getPointer(); | |||
9170 | Address MappersArray = | |||
9171 | CGF.CreateMemTemp(PointerArrayType, ".offload_mappers"); | |||
9172 | Info.MappersArray = MappersArray.getPointer(); | |||
9173 | ||||
9174 | // If we don't have any VLA types or other types that require runtime | |||
9175 | // evaluation, we can use a constant array for the map sizes, otherwise we | |||
9176 | // need to fill up the arrays as we do for the pointers. | |||
9177 | QualType Int64Ty = | |||
9178 | Ctx.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
9179 | if (hasRuntimeEvaluationCaptureSize) { | |||
9180 | QualType SizeArrayType = Ctx.getConstantArrayType( | |||
9181 | Int64Ty, PointerNumAP, nullptr, ArrayType::Normal, | |||
9182 | /*IndexTypeQuals=*/0); | |||
9183 | Info.SizesArray = | |||
9184 | CGF.CreateMemTemp(SizeArrayType, ".offload_sizes").getPointer(); | |||
9185 | } else { | |||
9186 | // We expect all the sizes to be constant, so we collect them to create | |||
9187 | // a constant array. | |||
9188 | SmallVector<llvm::Constant *, 16> ConstSizes; | |||
9189 | for (unsigned I = 0, E = CombinedInfo.Sizes.size(); I < E; ++I) { | |||
9190 | if (IsNonContiguous && | |||
9191 | (CombinedInfo.Types[I] & MappableExprsHandler::OMP_MAP_NON_CONTIG)) { | |||
9192 | ConstSizes.push_back(llvm::ConstantInt::get( | |||
9193 | CGF.Int64Ty, CombinedInfo.NonContigInfo.Dims[I])); | |||
9194 | } else { | |||
9195 | ConstSizes.push_back(cast<llvm::Constant>(CombinedInfo.Sizes[I])); | |||
9196 | } | |||
9197 | } | |||
9198 | ||||
9199 | auto *SizesArrayInit = llvm::ConstantArray::get( | |||
9200 | llvm::ArrayType::get(CGM.Int64Ty, ConstSizes.size()), ConstSizes); | |||
9201 | std::string Name = CGM.getOpenMPRuntime().getName({"offload_sizes"}); | |||
9202 | auto *SizesArrayGbl = new llvm::GlobalVariable( | |||
9203 | CGM.getModule(), SizesArrayInit->getType(), | |||
9204 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
9205 | SizesArrayInit, Name); | |||
9206 | SizesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
9207 | Info.SizesArray = SizesArrayGbl; | |||
9208 | } | |||
9209 | ||||
9210 | // The map types are always constant so we don't need to generate code to | |||
9211 | // fill arrays. Instead, we create an array constant. | |||
9212 | SmallVector<uint64_t, 4> Mapping(CombinedInfo.Types.size(), 0); | |||
9213 | llvm::copy(CombinedInfo.Types, Mapping.begin()); | |||
9214 | llvm::Constant *MapTypesArrayInit = | |||
9215 | llvm::ConstantDataArray::get(CGF.Builder.getContext(), Mapping); | |||
9216 | std::string MaptypesName = | |||
9217 | CGM.getOpenMPRuntime().getName({"offload_maptypes"}); | |||
9218 | auto *MapTypesArrayGbl = new llvm::GlobalVariable( | |||
9219 | CGM.getModule(), MapTypesArrayInit->getType(), | |||
9220 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
9221 | MapTypesArrayInit, MaptypesName); | |||
9222 | MapTypesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
9223 | Info.MapTypesArray = MapTypesArrayGbl; | |||
9224 | ||||
9225 | // The information types are only built if there is debug information | |||
9226 | // requested. | |||
9227 | if (CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo) { | |||
9228 | Info.MapNamesArray = llvm::Constant::getNullValue( | |||
9229 | llvm::Type::getInt8Ty(CGF.Builder.getContext())->getPointerTo()); | |||
9230 | } else { | |||
9231 | auto fillInfoMap = [&](MappableExprsHandler::MappingExprInfo &MapExpr) { | |||
9232 | return emitMappingInformation(CGF, OMPBuilder, MapExpr); | |||
9233 | }; | |||
9234 | SmallVector<llvm::Constant *, 4> InfoMap(CombinedInfo.Exprs.size()); | |||
9235 | llvm::transform(CombinedInfo.Exprs, InfoMap.begin(), fillInfoMap); | |||
9236 | ||||
9237 | llvm::Constant *MapNamesArrayInit = llvm::ConstantArray::get( | |||
9238 | llvm::ArrayType::get( | |||
9239 | llvm::Type::getInt8Ty(CGF.Builder.getContext())->getPointerTo(), | |||
9240 | CombinedInfo.Exprs.size()), | |||
9241 | InfoMap); | |||
9242 | auto *MapNamesArrayGbl = new llvm::GlobalVariable( | |||
9243 | CGM.getModule(), MapNamesArrayInit->getType(), | |||
9244 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
9245 | MapNamesArrayInit, | |||
9246 | CGM.getOpenMPRuntime().getName({"offload_mapnames"})); | |||
9247 | Info.MapNamesArray = MapNamesArrayGbl; | |||
9248 | } | |||
9249 | ||||
9250 | // If there's a present map type modifier, it must not be applied to the end | |||
9251 | // of a region, so generate a separate map type array in that case. | |||
9252 | if (Info.separateBeginEndCalls()) { | |||
9253 | bool EndMapTypesDiffer = false; | |||
9254 | for (uint64_t &Type : Mapping) { | |||
9255 | if (Type & MappableExprsHandler::OMP_MAP_PRESENT) { | |||
9256 | Type &= ~MappableExprsHandler::OMP_MAP_PRESENT; | |||
9257 | EndMapTypesDiffer = true; | |||
9258 | } | |||
9259 | } | |||
9260 | if (EndMapTypesDiffer) { | |||
9261 | MapTypesArrayInit = | |||
9262 | llvm::ConstantDataArray::get(CGF.Builder.getContext(), Mapping); | |||
9263 | MaptypesName = CGM.getOpenMPRuntime().getName({"offload_maptypes"}); | |||
9264 | MapTypesArrayGbl = new llvm::GlobalVariable( | |||
9265 | CGM.getModule(), MapTypesArrayInit->getType(), | |||
9266 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
9267 | MapTypesArrayInit, MaptypesName); | |||
9268 | MapTypesArrayGbl->setUnnamedAddr( | |||
9269 | llvm::GlobalValue::UnnamedAddr::Global); | |||
9270 | Info.MapTypesArrayEnd = MapTypesArrayGbl; | |||
9271 | } | |||
9272 | } | |||
9273 | ||||
9274 | for (unsigned I = 0; I < Info.NumberOfPtrs; ++I) { | |||
9275 | llvm::Value *BPVal = *CombinedInfo.BasePointers[I]; | |||
9276 | llvm::Value *BP = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9277 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9278 | Info.BasePointersArray, 0, I); | |||
9279 | BP = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
9280 | BP, BPVal->getType()->getPointerTo(/*AddrSpace=*/0)); | |||
9281 | Address BPAddr(BP, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | |||
9282 | CGF.Builder.CreateStore(BPVal, BPAddr); | |||
9283 | ||||
9284 | if (Info.requiresDevicePointerInfo()) | |||
9285 | if (const ValueDecl *DevVD = | |||
9286 | CombinedInfo.BasePointers[I].getDevicePtrDecl()) | |||
9287 | Info.CaptureDeviceAddrMap.try_emplace(DevVD, BPAddr); | |||
9288 | ||||
9289 | llvm::Value *PVal = CombinedInfo.Pointers[I]; | |||
9290 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9291 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9292 | Info.PointersArray, 0, I); | |||
9293 | P = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
9294 | P, PVal->getType()->getPointerTo(/*AddrSpace=*/0)); | |||
9295 | Address PAddr(P, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | |||
9296 | CGF.Builder.CreateStore(PVal, PAddr); | |||
9297 | ||||
9298 | if (hasRuntimeEvaluationCaptureSize) { | |||
9299 | llvm::Value *S = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9300 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | |||
9301 | Info.SizesArray, | |||
9302 | /*Idx0=*/0, | |||
9303 | /*Idx1=*/I); | |||
9304 | Address SAddr(S, Ctx.getTypeAlignInChars(Int64Ty)); | |||
9305 | CGF.Builder.CreateStore(CGF.Builder.CreateIntCast(CombinedInfo.Sizes[I], | |||
9306 | CGM.Int64Ty, | |||
9307 | /*isSigned=*/true), | |||
9308 | SAddr); | |||
9309 | } | |||
9310 | ||||
9311 | // Fill up the mapper array. | |||
9312 | llvm::Value *MFunc = llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | |||
9313 | if (CombinedInfo.Mappers[I]) { | |||
9314 | MFunc = CGM.getOpenMPRuntime().getOrCreateUserDefinedMapperFunc( | |||
9315 | cast<OMPDeclareMapperDecl>(CombinedInfo.Mappers[I])); | |||
9316 | MFunc = CGF.Builder.CreatePointerCast(MFunc, CGM.VoidPtrTy); | |||
9317 | Info.HasMapper = true; | |||
9318 | } | |||
9319 | Address MAddr = CGF.Builder.CreateConstArrayGEP(MappersArray, I); | |||
9320 | CGF.Builder.CreateStore(MFunc, MAddr); | |||
9321 | } | |||
9322 | } | |||
9323 | ||||
9324 | if (!IsNonContiguous || CombinedInfo.NonContigInfo.Offsets.empty() || | |||
9325 | Info.NumberOfPtrs == 0) | |||
9326 | return; | |||
9327 | ||||
9328 | emitNonContiguousDescriptor(CGF, CombinedInfo, Info); | |||
9329 | } | |||
9330 | ||||
9331 | namespace { | |||
9332 | /// Additional arguments for emitOffloadingArraysArgument function. | |||
9333 | struct ArgumentsOptions { | |||
9334 | bool ForEndCall = false; | |||
9335 | ArgumentsOptions() = default; | |||
9336 | ArgumentsOptions(bool ForEndCall) : ForEndCall(ForEndCall) {} | |||
9337 | }; | |||
9338 | } // namespace | |||
9339 | ||||
9340 | /// Emit the arguments to be passed to the runtime library based on the | |||
9341 | /// arrays of base pointers, pointers, sizes, map types, and mappers. If | |||
9342 | /// ForEndCall, emit map types to be passed for the end of the region instead of | |||
9343 | /// the beginning. | |||
9344 | static void emitOffloadingArraysArgument( | |||
9345 | CodeGenFunction &CGF, llvm::Value *&BasePointersArrayArg, | |||
9346 | llvm::Value *&PointersArrayArg, llvm::Value *&SizesArrayArg, | |||
9347 | llvm::Value *&MapTypesArrayArg, llvm::Value *&MapNamesArrayArg, | |||
9348 | llvm::Value *&MappersArrayArg, CGOpenMPRuntime::TargetDataInfo &Info, | |||
9349 | const ArgumentsOptions &Options = ArgumentsOptions()) { | |||
9350 | assert((!Options.ForEndCall || Info.separateBeginEndCalls()) &&(((!Options.ForEndCall || Info.separateBeginEndCalls()) && "expected region end call to runtime only when end call is separate" ) ? static_cast<void> (0) : __assert_fail ("(!Options.ForEndCall || Info.separateBeginEndCalls()) && \"expected region end call to runtime only when end call is separate\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9351, __PRETTY_FUNCTION__)) | |||
9351 | "expected region end call to runtime only when end call is separate")(((!Options.ForEndCall || Info.separateBeginEndCalls()) && "expected region end call to runtime only when end call is separate" ) ? static_cast<void> (0) : __assert_fail ("(!Options.ForEndCall || Info.separateBeginEndCalls()) && \"expected region end call to runtime only when end call is separate\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9351, __PRETTY_FUNCTION__)); | |||
9352 | CodeGenModule &CGM = CGF.CGM; | |||
9353 | if (Info.NumberOfPtrs) { | |||
9354 | BasePointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9355 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9356 | Info.BasePointersArray, | |||
9357 | /*Idx0=*/0, /*Idx1=*/0); | |||
9358 | PointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9359 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9360 | Info.PointersArray, | |||
9361 | /*Idx0=*/0, | |||
9362 | /*Idx1=*/0); | |||
9363 | SizesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9364 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), Info.SizesArray, | |||
9365 | /*Idx0=*/0, /*Idx1=*/0); | |||
9366 | MapTypesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9367 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | |||
9368 | Options.ForEndCall && Info.MapTypesArrayEnd ? Info.MapTypesArrayEnd | |||
9369 | : Info.MapTypesArray, | |||
9370 | /*Idx0=*/0, | |||
9371 | /*Idx1=*/0); | |||
9372 | ||||
9373 | // Only emit the mapper information arrays if debug information is | |||
9374 | // requested. | |||
9375 | if (CGF.CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo) | |||
9376 | MapNamesArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9377 | else | |||
9378 | MapNamesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
9379 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
9380 | Info.MapNamesArray, | |||
9381 | /*Idx0=*/0, | |||
9382 | /*Idx1=*/0); | |||
9383 | // If there is no user-defined mapper, set the mapper array to nullptr to | |||
9384 | // avoid an unnecessary data privatization | |||
9385 | if (!Info.HasMapper) | |||
9386 | MappersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9387 | else | |||
9388 | MappersArrayArg = | |||
9389 | CGF.Builder.CreatePointerCast(Info.MappersArray, CGM.VoidPtrPtrTy); | |||
9390 | } else { | |||
9391 | BasePointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9392 | PointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9393 | SizesArrayArg = llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | |||
9394 | MapTypesArrayArg = | |||
9395 | llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | |||
9396 | MapNamesArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9397 | MappersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
9398 | } | |||
9399 | } | |||
9400 | ||||
9401 | /// Check for inner distribute directive. | |||
9402 | static const OMPExecutableDirective * | |||
9403 | getNestedDistributeDirective(ASTContext &Ctx, const OMPExecutableDirective &D) { | |||
9404 | const auto *CS = D.getInnermostCapturedStmt(); | |||
9405 | const auto *Body = | |||
9406 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
9407 | const Stmt *ChildStmt = | |||
9408 | CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | |||
9409 | ||||
9410 | if (const auto *NestedDir = | |||
9411 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
9412 | OpenMPDirectiveKind DKind = NestedDir->getDirectiveKind(); | |||
9413 | switch (D.getDirectiveKind()) { | |||
9414 | case OMPD_target: | |||
9415 | if (isOpenMPDistributeDirective(DKind)) | |||
9416 | return NestedDir; | |||
9417 | if (DKind == OMPD_teams) { | |||
9418 | Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers( | |||
9419 | /*IgnoreCaptured=*/true); | |||
9420 | if (!Body) | |||
9421 | return nullptr; | |||
9422 | ChildStmt = CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | |||
9423 | if (const auto *NND = | |||
9424 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
9425 | DKind = NND->getDirectiveKind(); | |||
9426 | if (isOpenMPDistributeDirective(DKind)) | |||
9427 | return NND; | |||
9428 | } | |||
9429 | } | |||
9430 | return nullptr; | |||
9431 | case OMPD_target_teams: | |||
9432 | if (isOpenMPDistributeDirective(DKind)) | |||
9433 | return NestedDir; | |||
9434 | return nullptr; | |||
9435 | case OMPD_target_parallel: | |||
9436 | case OMPD_target_simd: | |||
9437 | case OMPD_target_parallel_for: | |||
9438 | case OMPD_target_parallel_for_simd: | |||
9439 | return nullptr; | |||
9440 | case OMPD_target_teams_distribute: | |||
9441 | case OMPD_target_teams_distribute_simd: | |||
9442 | case OMPD_target_teams_distribute_parallel_for: | |||
9443 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
9444 | case OMPD_parallel: | |||
9445 | case OMPD_for: | |||
9446 | case OMPD_parallel_for: | |||
9447 | case OMPD_parallel_master: | |||
9448 | case OMPD_parallel_sections: | |||
9449 | case OMPD_for_simd: | |||
9450 | case OMPD_parallel_for_simd: | |||
9451 | case OMPD_cancel: | |||
9452 | case OMPD_cancellation_point: | |||
9453 | case OMPD_ordered: | |||
9454 | case OMPD_threadprivate: | |||
9455 | case OMPD_allocate: | |||
9456 | case OMPD_task: | |||
9457 | case OMPD_simd: | |||
9458 | case OMPD_sections: | |||
9459 | case OMPD_section: | |||
9460 | case OMPD_single: | |||
9461 | case OMPD_master: | |||
9462 | case OMPD_critical: | |||
9463 | case OMPD_taskyield: | |||
9464 | case OMPD_barrier: | |||
9465 | case OMPD_taskwait: | |||
9466 | case OMPD_taskgroup: | |||
9467 | case OMPD_atomic: | |||
9468 | case OMPD_flush: | |||
9469 | case OMPD_depobj: | |||
9470 | case OMPD_scan: | |||
9471 | case OMPD_teams: | |||
9472 | case OMPD_target_data: | |||
9473 | case OMPD_target_exit_data: | |||
9474 | case OMPD_target_enter_data: | |||
9475 | case OMPD_distribute: | |||
9476 | case OMPD_distribute_simd: | |||
9477 | case OMPD_distribute_parallel_for: | |||
9478 | case OMPD_distribute_parallel_for_simd: | |||
9479 | case OMPD_teams_distribute: | |||
9480 | case OMPD_teams_distribute_simd: | |||
9481 | case OMPD_teams_distribute_parallel_for: | |||
9482 | case OMPD_teams_distribute_parallel_for_simd: | |||
9483 | case OMPD_target_update: | |||
9484 | case OMPD_declare_simd: | |||
9485 | case OMPD_declare_variant: | |||
9486 | case OMPD_begin_declare_variant: | |||
9487 | case OMPD_end_declare_variant: | |||
9488 | case OMPD_declare_target: | |||
9489 | case OMPD_end_declare_target: | |||
9490 | case OMPD_declare_reduction: | |||
9491 | case OMPD_declare_mapper: | |||
9492 | case OMPD_taskloop: | |||
9493 | case OMPD_taskloop_simd: | |||
9494 | case OMPD_master_taskloop: | |||
9495 | case OMPD_master_taskloop_simd: | |||
9496 | case OMPD_parallel_master_taskloop: | |||
9497 | case OMPD_parallel_master_taskloop_simd: | |||
9498 | case OMPD_requires: | |||
9499 | case OMPD_unknown: | |||
9500 | default: | |||
9501 | llvm_unreachable("Unexpected directive.")::llvm::llvm_unreachable_internal("Unexpected directive.", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9501); | |||
9502 | } | |||
9503 | } | |||
9504 | ||||
9505 | return nullptr; | |||
9506 | } | |||
9507 | ||||
9508 | /// Emit the user-defined mapper function. The code generation follows the | |||
9509 | /// pattern in the example below. | |||
9510 | /// \code | |||
9511 | /// void .omp_mapper.<type_name>.<mapper_id>.(void *rt_mapper_handle, | |||
9512 | /// void *base, void *begin, | |||
9513 | /// int64_t size, int64_t type, | |||
9514 | /// void *name = nullptr) { | |||
9515 | /// // Allocate space for an array section first. | |||
9516 | /// if (size > 1 && !maptype.IsDelete) | |||
9517 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | |||
9518 | /// size*sizeof(Ty), clearToFrom(type)); | |||
9519 | /// // Map members. | |||
9520 | /// for (unsigned i = 0; i < size; i++) { | |||
9521 | /// // For each component specified by this mapper: | |||
9522 | /// for (auto c : all_components) { | |||
9523 | /// if (c.hasMapper()) | |||
9524 | /// (*c.Mapper())(rt_mapper_handle, c.arg_base, c.arg_begin, c.arg_size, | |||
9525 | /// c.arg_type, c.arg_name); | |||
9526 | /// else | |||
9527 | /// __tgt_push_mapper_component(rt_mapper_handle, c.arg_base, | |||
9528 | /// c.arg_begin, c.arg_size, c.arg_type, | |||
9529 | /// c.arg_name); | |||
9530 | /// } | |||
9531 | /// } | |||
9532 | /// // Delete the array section. | |||
9533 | /// if (size > 1 && maptype.IsDelete) | |||
9534 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | |||
9535 | /// size*sizeof(Ty), clearToFrom(type)); | |||
9536 | /// } | |||
9537 | /// \endcode | |||
9538 | void CGOpenMPRuntime::emitUserDefinedMapper(const OMPDeclareMapperDecl *D, | |||
9539 | CodeGenFunction *CGF) { | |||
9540 | if (UDMMap.count(D) > 0) | |||
9541 | return; | |||
9542 | ASTContext &C = CGM.getContext(); | |||
9543 | QualType Ty = D->getType(); | |||
9544 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | |||
9545 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | |||
9546 | auto *MapperVarDecl = | |||
9547 | cast<VarDecl>(cast<DeclRefExpr>(D->getMapperVarRef())->getDecl()); | |||
9548 | SourceLocation Loc = D->getLocation(); | |||
9549 | CharUnits ElementSize = C.getTypeSizeInChars(Ty); | |||
9550 | ||||
9551 | // Prepare mapper function arguments and attributes. | |||
9552 | ImplicitParamDecl HandleArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
9553 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
9554 | ImplicitParamDecl BaseArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
9555 | ImplicitParamDecl::Other); | |||
9556 | ImplicitParamDecl BeginArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
9557 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
9558 | ImplicitParamDecl SizeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | |||
9559 | ImplicitParamDecl::Other); | |||
9560 | ImplicitParamDecl TypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | |||
9561 | ImplicitParamDecl::Other); | |||
9562 | ImplicitParamDecl NameArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
9563 | ImplicitParamDecl::Other); | |||
9564 | FunctionArgList Args; | |||
9565 | Args.push_back(&HandleArg); | |||
9566 | Args.push_back(&BaseArg); | |||
9567 | Args.push_back(&BeginArg); | |||
9568 | Args.push_back(&SizeArg); | |||
9569 | Args.push_back(&TypeArg); | |||
9570 | Args.push_back(&NameArg); | |||
9571 | const CGFunctionInfo &FnInfo = | |||
9572 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
9573 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
9574 | SmallString<64> TyStr; | |||
9575 | llvm::raw_svector_ostream Out(TyStr); | |||
9576 | CGM.getCXXABI().getMangleContext().mangleTypeName(Ty, Out); | |||
9577 | std::string Name = getName({"omp_mapper", TyStr, D->getName()}); | |||
9578 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
9579 | Name, &CGM.getModule()); | |||
9580 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
9581 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
9582 | // Start the mapper function code generation. | |||
9583 | CodeGenFunction MapperCGF(CGM); | |||
9584 | MapperCGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
9585 | // Compute the starting and end addreses of array elements. | |||
9586 | llvm::Value *Size = MapperCGF.EmitLoadOfScalar( | |||
9587 | MapperCGF.GetAddrOfLocalVar(&SizeArg), /*Volatile=*/false, | |||
9588 | C.getPointerType(Int64Ty), Loc); | |||
9589 | // Convert the size in bytes into the number of array elements. | |||
9590 | Size = MapperCGF.Builder.CreateExactUDiv( | |||
9591 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | |||
9592 | llvm::Value *PtrBegin = MapperCGF.Builder.CreateBitCast( | |||
9593 | MapperCGF.GetAddrOfLocalVar(&BeginArg).getPointer(), | |||
9594 | CGM.getTypes().ConvertTypeForMem(C.getPointerType(PtrTy))); | |||
9595 | llvm::Value *PtrEnd = MapperCGF.Builder.CreateGEP(PtrBegin, Size); | |||
9596 | llvm::Value *MapType = MapperCGF.EmitLoadOfScalar( | |||
9597 | MapperCGF.GetAddrOfLocalVar(&TypeArg), /*Volatile=*/false, | |||
9598 | C.getPointerType(Int64Ty), Loc); | |||
9599 | // Prepare common arguments for array initiation and deletion. | |||
9600 | llvm::Value *Handle = MapperCGF.EmitLoadOfScalar( | |||
9601 | MapperCGF.GetAddrOfLocalVar(&HandleArg), | |||
9602 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9603 | llvm::Value *BaseIn = MapperCGF.EmitLoadOfScalar( | |||
9604 | MapperCGF.GetAddrOfLocalVar(&BaseArg), | |||
9605 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9606 | llvm::Value *BeginIn = MapperCGF.EmitLoadOfScalar( | |||
9607 | MapperCGF.GetAddrOfLocalVar(&BeginArg), | |||
9608 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9609 | ||||
9610 | // Emit array initiation if this is an array section and \p MapType indicates | |||
9611 | // that memory allocation is required. | |||
9612 | llvm::BasicBlock *HeadBB = MapperCGF.createBasicBlock("omp.arraymap.head"); | |||
9613 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | |||
9614 | ElementSize, HeadBB, /*IsInit=*/true); | |||
9615 | ||||
9616 | // Emit a for loop to iterate through SizeArg of elements and map all of them. | |||
9617 | ||||
9618 | // Emit the loop header block. | |||
9619 | MapperCGF.EmitBlock(HeadBB); | |||
9620 | llvm::BasicBlock *BodyBB = MapperCGF.createBasicBlock("omp.arraymap.body"); | |||
9621 | llvm::BasicBlock *DoneBB = MapperCGF.createBasicBlock("omp.done"); | |||
9622 | // Evaluate whether the initial condition is satisfied. | |||
9623 | llvm::Value *IsEmpty = | |||
9624 | MapperCGF.Builder.CreateICmpEQ(PtrBegin, PtrEnd, "omp.arraymap.isempty"); | |||
9625 | MapperCGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
9626 | llvm::BasicBlock *EntryBB = MapperCGF.Builder.GetInsertBlock(); | |||
9627 | ||||
9628 | // Emit the loop body block. | |||
9629 | MapperCGF.EmitBlock(BodyBB); | |||
9630 | llvm::BasicBlock *LastBB = BodyBB; | |||
9631 | llvm::PHINode *PtrPHI = MapperCGF.Builder.CreatePHI( | |||
9632 | PtrBegin->getType(), 2, "omp.arraymap.ptrcurrent"); | |||
9633 | PtrPHI->addIncoming(PtrBegin, EntryBB); | |||
9634 | Address PtrCurrent = | |||
9635 | Address(PtrPHI, MapperCGF.GetAddrOfLocalVar(&BeginArg) | |||
9636 | .getAlignment() | |||
9637 | .alignmentOfArrayElement(ElementSize)); | |||
9638 | // Privatize the declared variable of mapper to be the current array element. | |||
9639 | CodeGenFunction::OMPPrivateScope Scope(MapperCGF); | |||
9640 | Scope.addPrivate(MapperVarDecl, [&MapperCGF, PtrCurrent, PtrTy]() { | |||
9641 | return MapperCGF | |||
9642 | .EmitLoadOfPointerLValue(PtrCurrent, PtrTy->castAs<PointerType>()) | |||
9643 | .getAddress(MapperCGF); | |||
9644 | }); | |||
9645 | (void)Scope.Privatize(); | |||
9646 | ||||
9647 | // Get map clause information. Fill up the arrays with all mapped variables. | |||
9648 | MappableExprsHandler::MapCombinedInfoTy Info; | |||
9649 | MappableExprsHandler MEHandler(*D, MapperCGF); | |||
9650 | MEHandler.generateAllInfoForMapper(Info); | |||
9651 | ||||
9652 | // Call the runtime API __tgt_mapper_num_components to get the number of | |||
9653 | // pre-existing components. | |||
9654 | llvm::Value *OffloadingArgs[] = {Handle}; | |||
9655 | llvm::Value *PreviousSize = MapperCGF.EmitRuntimeCall( | |||
9656 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
9657 | OMPRTL___tgt_mapper_num_components), | |||
9658 | OffloadingArgs); | |||
9659 | llvm::Value *ShiftedPreviousSize = MapperCGF.Builder.CreateShl( | |||
9660 | PreviousSize, | |||
9661 | MapperCGF.Builder.getInt64(MappableExprsHandler::getFlagMemberOffset())); | |||
9662 | ||||
9663 | // Fill up the runtime mapper handle for all components. | |||
9664 | for (unsigned I = 0; I < Info.BasePointers.size(); ++I) { | |||
9665 | llvm::Value *CurBaseArg = MapperCGF.Builder.CreateBitCast( | |||
9666 | *Info.BasePointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | |||
9667 | llvm::Value *CurBeginArg = MapperCGF.Builder.CreateBitCast( | |||
9668 | Info.Pointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | |||
9669 | llvm::Value *CurSizeArg = Info.Sizes[I]; | |||
9670 | llvm::Value *CurNameArg = | |||
9671 | (CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo) | |||
9672 | ? llvm::ConstantPointerNull::get(CGM.VoidPtrTy) | |||
9673 | : emitMappingInformation(MapperCGF, OMPBuilder, Info.Exprs[I]); | |||
9674 | ||||
9675 | // Extract the MEMBER_OF field from the map type. | |||
9676 | llvm::BasicBlock *MemberBB = MapperCGF.createBasicBlock("omp.member"); | |||
9677 | MapperCGF.EmitBlock(MemberBB); | |||
9678 | llvm::Value *OriMapType = MapperCGF.Builder.getInt64(Info.Types[I]); | |||
9679 | llvm::Value *Member = MapperCGF.Builder.CreateAnd( | |||
9680 | OriMapType, | |||
9681 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_MEMBER_OF)); | |||
9682 | llvm::BasicBlock *MemberCombineBB = | |||
9683 | MapperCGF.createBasicBlock("omp.member.combine"); | |||
9684 | llvm::BasicBlock *TypeBB = MapperCGF.createBasicBlock("omp.type"); | |||
9685 | llvm::Value *IsMember = MapperCGF.Builder.CreateIsNull(Member); | |||
9686 | MapperCGF.Builder.CreateCondBr(IsMember, TypeBB, MemberCombineBB); | |||
9687 | // Add the number of pre-existing components to the MEMBER_OF field if it | |||
9688 | // is valid. | |||
9689 | MapperCGF.EmitBlock(MemberCombineBB); | |||
9690 | llvm::Value *CombinedMember = | |||
9691 | MapperCGF.Builder.CreateNUWAdd(OriMapType, ShiftedPreviousSize); | |||
9692 | // Do nothing if it is not a member of previous components. | |||
9693 | MapperCGF.EmitBlock(TypeBB); | |||
9694 | llvm::PHINode *MemberMapType = | |||
9695 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.membermaptype"); | |||
9696 | MemberMapType->addIncoming(OriMapType, MemberBB); | |||
9697 | MemberMapType->addIncoming(CombinedMember, MemberCombineBB); | |||
9698 | ||||
9699 | // Combine the map type inherited from user-defined mapper with that | |||
9700 | // specified in the program. According to the OMP_MAP_TO and OMP_MAP_FROM | |||
9701 | // bits of the \a MapType, which is the input argument of the mapper | |||
9702 | // function, the following code will set the OMP_MAP_TO and OMP_MAP_FROM | |||
9703 | // bits of MemberMapType. | |||
9704 | // [OpenMP 5.0], 1.2.6. map-type decay. | |||
9705 | // | alloc | to | from | tofrom | release | delete | |||
9706 | // ---------------------------------------------------------- | |||
9707 | // alloc | alloc | alloc | alloc | alloc | release | delete | |||
9708 | // to | alloc | to | alloc | to | release | delete | |||
9709 | // from | alloc | alloc | from | from | release | delete | |||
9710 | // tofrom | alloc | to | from | tofrom | release | delete | |||
9711 | llvm::Value *LeftToFrom = MapperCGF.Builder.CreateAnd( | |||
9712 | MapType, | |||
9713 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO | | |||
9714 | MappableExprsHandler::OMP_MAP_FROM)); | |||
9715 | llvm::BasicBlock *AllocBB = MapperCGF.createBasicBlock("omp.type.alloc"); | |||
9716 | llvm::BasicBlock *AllocElseBB = | |||
9717 | MapperCGF.createBasicBlock("omp.type.alloc.else"); | |||
9718 | llvm::BasicBlock *ToBB = MapperCGF.createBasicBlock("omp.type.to"); | |||
9719 | llvm::BasicBlock *ToElseBB = MapperCGF.createBasicBlock("omp.type.to.else"); | |||
9720 | llvm::BasicBlock *FromBB = MapperCGF.createBasicBlock("omp.type.from"); | |||
9721 | llvm::BasicBlock *EndBB = MapperCGF.createBasicBlock("omp.type.end"); | |||
9722 | llvm::Value *IsAlloc = MapperCGF.Builder.CreateIsNull(LeftToFrom); | |||
9723 | MapperCGF.Builder.CreateCondBr(IsAlloc, AllocBB, AllocElseBB); | |||
9724 | // In case of alloc, clear OMP_MAP_TO and OMP_MAP_FROM. | |||
9725 | MapperCGF.EmitBlock(AllocBB); | |||
9726 | llvm::Value *AllocMapType = MapperCGF.Builder.CreateAnd( | |||
9727 | MemberMapType, | |||
9728 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | |||
9729 | MappableExprsHandler::OMP_MAP_FROM))); | |||
9730 | MapperCGF.Builder.CreateBr(EndBB); | |||
9731 | MapperCGF.EmitBlock(AllocElseBB); | |||
9732 | llvm::Value *IsTo = MapperCGF.Builder.CreateICmpEQ( | |||
9733 | LeftToFrom, | |||
9734 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO)); | |||
9735 | MapperCGF.Builder.CreateCondBr(IsTo, ToBB, ToElseBB); | |||
9736 | // In case of to, clear OMP_MAP_FROM. | |||
9737 | MapperCGF.EmitBlock(ToBB); | |||
9738 | llvm::Value *ToMapType = MapperCGF.Builder.CreateAnd( | |||
9739 | MemberMapType, | |||
9740 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_FROM)); | |||
9741 | MapperCGF.Builder.CreateBr(EndBB); | |||
9742 | MapperCGF.EmitBlock(ToElseBB); | |||
9743 | llvm::Value *IsFrom = MapperCGF.Builder.CreateICmpEQ( | |||
9744 | LeftToFrom, | |||
9745 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_FROM)); | |||
9746 | MapperCGF.Builder.CreateCondBr(IsFrom, FromBB, EndBB); | |||
9747 | // In case of from, clear OMP_MAP_TO. | |||
9748 | MapperCGF.EmitBlock(FromBB); | |||
9749 | llvm::Value *FromMapType = MapperCGF.Builder.CreateAnd( | |||
9750 | MemberMapType, | |||
9751 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_TO)); | |||
9752 | // In case of tofrom, do nothing. | |||
9753 | MapperCGF.EmitBlock(EndBB); | |||
9754 | LastBB = EndBB; | |||
9755 | llvm::PHINode *CurMapType = | |||
9756 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.maptype"); | |||
9757 | CurMapType->addIncoming(AllocMapType, AllocBB); | |||
9758 | CurMapType->addIncoming(ToMapType, ToBB); | |||
9759 | CurMapType->addIncoming(FromMapType, FromBB); | |||
9760 | CurMapType->addIncoming(MemberMapType, ToElseBB); | |||
9761 | ||||
9762 | llvm::Value *OffloadingArgs[] = {Handle, CurBaseArg, CurBeginArg, | |||
9763 | CurSizeArg, CurMapType, CurNameArg}; | |||
9764 | if (Info.Mappers[I]) { | |||
9765 | // Call the corresponding mapper function. | |||
9766 | llvm::Function *MapperFunc = getOrCreateUserDefinedMapperFunc( | |||
9767 | cast<OMPDeclareMapperDecl>(Info.Mappers[I])); | |||
9768 | assert(MapperFunc && "Expect a valid mapper function is available.")((MapperFunc && "Expect a valid mapper function is available." ) ? static_cast<void> (0) : __assert_fail ("MapperFunc && \"Expect a valid mapper function is available.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9768, __PRETTY_FUNCTION__)); | |||
9769 | MapperCGF.EmitNounwindRuntimeCall(MapperFunc, OffloadingArgs); | |||
9770 | } else { | |||
9771 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | |||
9772 | // data structure. | |||
9773 | MapperCGF.EmitRuntimeCall( | |||
9774 | OMPBuilder.getOrCreateRuntimeFunction( | |||
9775 | CGM.getModule(), OMPRTL___tgt_push_mapper_component), | |||
9776 | OffloadingArgs); | |||
9777 | } | |||
9778 | } | |||
9779 | ||||
9780 | // Update the pointer to point to the next element that needs to be mapped, | |||
9781 | // and check whether we have mapped all elements. | |||
9782 | llvm::Value *PtrNext = MapperCGF.Builder.CreateConstGEP1_32( | |||
9783 | PtrPHI, /*Idx0=*/1, "omp.arraymap.next"); | |||
9784 | PtrPHI->addIncoming(PtrNext, LastBB); | |||
9785 | llvm::Value *IsDone = | |||
9786 | MapperCGF.Builder.CreateICmpEQ(PtrNext, PtrEnd, "omp.arraymap.isdone"); | |||
9787 | llvm::BasicBlock *ExitBB = MapperCGF.createBasicBlock("omp.arraymap.exit"); | |||
9788 | MapperCGF.Builder.CreateCondBr(IsDone, ExitBB, BodyBB); | |||
9789 | ||||
9790 | MapperCGF.EmitBlock(ExitBB); | |||
9791 | // Emit array deletion if this is an array section and \p MapType indicates | |||
9792 | // that deletion is required. | |||
9793 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | |||
9794 | ElementSize, DoneBB, /*IsInit=*/false); | |||
9795 | ||||
9796 | // Emit the function exit block. | |||
9797 | MapperCGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
9798 | MapperCGF.FinishFunction(); | |||
9799 | UDMMap.try_emplace(D, Fn); | |||
9800 | if (CGF) { | |||
9801 | auto &Decls = FunctionUDMMap.FindAndConstruct(CGF->CurFn); | |||
9802 | Decls.second.push_back(D); | |||
9803 | } | |||
9804 | } | |||
9805 | ||||
9806 | /// Emit the array initialization or deletion portion for user-defined mapper | |||
9807 | /// code generation. First, it evaluates whether an array section is mapped and | |||
9808 | /// whether the \a MapType instructs to delete this section. If \a IsInit is | |||
9809 | /// true, and \a MapType indicates to not delete this array, array | |||
9810 | /// initialization code is generated. If \a IsInit is false, and \a MapType | |||
9811 | /// indicates to not this array, array deletion code is generated. | |||
9812 | void CGOpenMPRuntime::emitUDMapperArrayInitOrDel( | |||
9813 | CodeGenFunction &MapperCGF, llvm::Value *Handle, llvm::Value *Base, | |||
9814 | llvm::Value *Begin, llvm::Value *Size, llvm::Value *MapType, | |||
9815 | CharUnits ElementSize, llvm::BasicBlock *ExitBB, bool IsInit) { | |||
9816 | StringRef Prefix = IsInit ? ".init" : ".del"; | |||
9817 | ||||
9818 | // Evaluate if this is an array section. | |||
9819 | llvm::BasicBlock *IsDeleteBB = | |||
9820 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix, ".evaldelete"})); | |||
9821 | llvm::BasicBlock *BodyBB = | |||
9822 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix})); | |||
9823 | llvm::Value *IsArray = MapperCGF.Builder.CreateICmpSGE( | |||
9824 | Size, MapperCGF.Builder.getInt64(1), "omp.arrayinit.isarray"); | |||
9825 | MapperCGF.Builder.CreateCondBr(IsArray, IsDeleteBB, ExitBB); | |||
9826 | ||||
9827 | // Evaluate if we are going to delete this section. | |||
9828 | MapperCGF.EmitBlock(IsDeleteBB); | |||
9829 | llvm::Value *DeleteBit = MapperCGF.Builder.CreateAnd( | |||
9830 | MapType, | |||
9831 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_DELETE)); | |||
9832 | llvm::Value *DeleteCond; | |||
9833 | if (IsInit) { | |||
9834 | DeleteCond = MapperCGF.Builder.CreateIsNull( | |||
9835 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | |||
9836 | } else { | |||
9837 | DeleteCond = MapperCGF.Builder.CreateIsNotNull( | |||
9838 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | |||
9839 | } | |||
9840 | MapperCGF.Builder.CreateCondBr(DeleteCond, BodyBB, ExitBB); | |||
9841 | ||||
9842 | MapperCGF.EmitBlock(BodyBB); | |||
9843 | // Get the array size by multiplying element size and element number (i.e., \p | |||
9844 | // Size). | |||
9845 | llvm::Value *ArraySize = MapperCGF.Builder.CreateNUWMul( | |||
9846 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | |||
9847 | // Remove OMP_MAP_TO and OMP_MAP_FROM from the map type, so that it achieves | |||
9848 | // memory allocation/deletion purpose only. | |||
9849 | llvm::Value *MapTypeArg = MapperCGF.Builder.CreateAnd( | |||
9850 | MapType, | |||
9851 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | |||
9852 | MappableExprsHandler::OMP_MAP_FROM))); | |||
9853 | llvm::Value *MapNameArg = llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | |||
9854 | ||||
9855 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | |||
9856 | // data structure. | |||
9857 | llvm::Value *OffloadingArgs[] = {Handle, Base, Begin, | |||
9858 | ArraySize, MapTypeArg, MapNameArg}; | |||
9859 | MapperCGF.EmitRuntimeCall( | |||
9860 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
9861 | OMPRTL___tgt_push_mapper_component), | |||
9862 | OffloadingArgs); | |||
9863 | } | |||
9864 | ||||
9865 | llvm::Function *CGOpenMPRuntime::getOrCreateUserDefinedMapperFunc( | |||
9866 | const OMPDeclareMapperDecl *D) { | |||
9867 | auto I = UDMMap.find(D); | |||
9868 | if (I != UDMMap.end()) | |||
9869 | return I->second; | |||
9870 | emitUserDefinedMapper(D); | |||
9871 | return UDMMap.lookup(D); | |||
9872 | } | |||
9873 | ||||
9874 | void CGOpenMPRuntime::emitTargetNumIterationsCall( | |||
9875 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
9876 | llvm::Value *DeviceID, | |||
9877 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
9878 | const OMPLoopDirective &D)> | |||
9879 | SizeEmitter) { | |||
9880 | OpenMPDirectiveKind Kind = D.getDirectiveKind(); | |||
9881 | const OMPExecutableDirective *TD = &D; | |||
9882 | // Get nested teams distribute kind directive, if any. | |||
9883 | if (!isOpenMPDistributeDirective(Kind) || !isOpenMPTeamsDirective(Kind)) | |||
9884 | TD = getNestedDistributeDirective(CGM.getContext(), D); | |||
9885 | if (!TD) | |||
9886 | return; | |||
9887 | const auto *LD = cast<OMPLoopDirective>(TD); | |||
9888 | auto &&CodeGen = [LD, DeviceID, SizeEmitter, &D, this](CodeGenFunction &CGF, | |||
9889 | PrePostActionTy &) { | |||
9890 | if (llvm::Value *NumIterations = SizeEmitter(CGF, *LD)) { | |||
9891 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
9892 | llvm::Value *Args[] = {RTLoc, DeviceID, NumIterations}; | |||
9893 | CGF.EmitRuntimeCall( | |||
9894 | OMPBuilder.getOrCreateRuntimeFunction( | |||
9895 | CGM.getModule(), OMPRTL___kmpc_push_target_tripcount), | |||
9896 | Args); | |||
9897 | } | |||
9898 | }; | |||
9899 | emitInlinedDirective(CGF, OMPD_unknown, CodeGen); | |||
9900 | } | |||
9901 | ||||
9902 | void CGOpenMPRuntime::emitTargetCall( | |||
9903 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
9904 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | |||
9905 | llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device, | |||
9906 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
9907 | const OMPLoopDirective &D)> | |||
9908 | SizeEmitter) { | |||
9909 | if (!CGF.HaveInsertPoint()) | |||
9910 | return; | |||
9911 | ||||
9912 | assert(OutlinedFn && "Invalid outlined function!")((OutlinedFn && "Invalid outlined function!") ? static_cast <void> (0) : __assert_fail ("OutlinedFn && \"Invalid outlined function!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9912, __PRETTY_FUNCTION__)); | |||
9913 | ||||
9914 | const bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>() || | |||
9915 | D.hasClausesOfKind<OMPNowaitClause>(); | |||
9916 | llvm::SmallVector<llvm::Value *, 16> CapturedVars; | |||
9917 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | |||
9918 | auto &&ArgsCodegen = [&CS, &CapturedVars](CodeGenFunction &CGF, | |||
9919 | PrePostActionTy &) { | |||
9920 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
9921 | }; | |||
9922 | emitInlinedDirective(CGF, OMPD_unknown, ArgsCodegen); | |||
9923 | ||||
9924 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
9925 | llvm::Value *MapTypesArray = nullptr; | |||
9926 | llvm::Value *MapNamesArray = nullptr; | |||
9927 | // Fill up the pointer arrays and transfer execution to the device. | |||
9928 | auto &&ThenGen = [this, Device, OutlinedFn, OutlinedFnID, &D, &InputInfo, | |||
9929 | &MapTypesArray, &MapNamesArray, &CS, RequiresOuterTask, | |||
9930 | &CapturedVars, | |||
9931 | SizeEmitter](CodeGenFunction &CGF, PrePostActionTy &) { | |||
9932 | if (Device.getInt() == OMPC_DEVICE_ancestor) { | |||
9933 | // Reverse offloading is not supported, so just execute on the host. | |||
9934 | if (RequiresOuterTask) { | |||
9935 | CapturedVars.clear(); | |||
9936 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
9937 | } | |||
9938 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | |||
9939 | return; | |||
9940 | } | |||
9941 | ||||
9942 | // On top of the arrays that were filled up, the target offloading call | |||
9943 | // takes as arguments the device id as well as the host pointer. The host | |||
9944 | // pointer is used by the runtime library to identify the current target | |||
9945 | // region, so it only has to be unique and not necessarily point to | |||
9946 | // anything. It could be the pointer to the outlined function that | |||
9947 | // implements the target region, but we aren't using that so that the | |||
9948 | // compiler doesn't need to keep that, and could therefore inline the host | |||
9949 | // function if proven worthwhile during optimization. | |||
9950 | ||||
9951 | // From this point on, we need to have an ID of the target region defined. | |||
9952 | assert(OutlinedFnID && "Invalid outlined function ID!")((OutlinedFnID && "Invalid outlined function ID!") ? static_cast <void> (0) : __assert_fail ("OutlinedFnID && \"Invalid outlined function ID!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9952, __PRETTY_FUNCTION__)); | |||
9953 | ||||
9954 | // Emit device ID if any. | |||
9955 | llvm::Value *DeviceID; | |||
9956 | if (Device.getPointer()) { | |||
9957 | assert((Device.getInt() == OMPC_DEVICE_unknown ||(((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? static_cast<void> (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9959, __PRETTY_FUNCTION__)) | |||
9958 | Device.getInt() == OMPC_DEVICE_device_num) &&(((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? static_cast<void> (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9959, __PRETTY_FUNCTION__)) | |||
9959 | "Expected device_num modifier.")(((Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && "Expected device_num modifier." ) ? static_cast<void> (0) : __assert_fail ("(Device.getInt() == OMPC_DEVICE_unknown || Device.getInt() == OMPC_DEVICE_device_num) && \"Expected device_num modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9959, __PRETTY_FUNCTION__)); | |||
9960 | llvm::Value *DevVal = CGF.EmitScalarExpr(Device.getPointer()); | |||
9961 | DeviceID = | |||
9962 | CGF.Builder.CreateIntCast(DevVal, CGF.Int64Ty, /*isSigned=*/true); | |||
9963 | } else { | |||
9964 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
9965 | } | |||
9966 | ||||
9967 | // Emit the number of elements in the offloading arrays. | |||
9968 | llvm::Value *PointerNum = | |||
9969 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | |||
9970 | ||||
9971 | // Return value of the runtime offloading call. | |||
9972 | llvm::Value *Return; | |||
9973 | ||||
9974 | llvm::Value *NumTeams = emitNumTeamsForTargetDirective(CGF, D); | |||
9975 | llvm::Value *NumThreads = emitNumThreadsForTargetDirective(CGF, D); | |||
9976 | ||||
9977 | // Source location for the ident struct | |||
9978 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
9979 | ||||
9980 | // Emit tripcount for the target loop-based directive. | |||
9981 | emitTargetNumIterationsCall(CGF, D, DeviceID, SizeEmitter); | |||
9982 | ||||
9983 | bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | |||
9984 | // The target region is an outlined function launched by the runtime | |||
9985 | // via calls __tgt_target() or __tgt_target_teams(). | |||
9986 | // | |||
9987 | // __tgt_target() launches a target region with one team and one thread, | |||
9988 | // executing a serial region. This master thread may in turn launch | |||
9989 | // more threads within its team upon encountering a parallel region, | |||
9990 | // however, no additional teams can be launched on the device. | |||
9991 | // | |||
9992 | // __tgt_target_teams() launches a target region with one or more teams, | |||
9993 | // each with one or more threads. This call is required for target | |||
9994 | // constructs such as: | |||
9995 | // 'target teams' | |||
9996 | // 'target' / 'teams' | |||
9997 | // 'target teams distribute parallel for' | |||
9998 | // 'target parallel' | |||
9999 | // and so on. | |||
10000 | // | |||
10001 | // Note that on the host and CPU targets, the runtime implementation of | |||
10002 | // these calls simply call the outlined function without forking threads. | |||
10003 | // The outlined functions themselves have runtime calls to | |||
10004 | // __kmpc_fork_teams() and __kmpc_fork() for this purpose, codegen'd by | |||
10005 | // the compiler in emitTeamsCall() and emitParallelCall(). | |||
10006 | // | |||
10007 | // In contrast, on the NVPTX target, the implementation of | |||
10008 | // __tgt_target_teams() launches a GPU kernel with the requested number | |||
10009 | // of teams and threads so no additional calls to the runtime are required. | |||
10010 | if (NumTeams) { | |||
10011 | // If we have NumTeams defined this means that we have an enclosed teams | |||
10012 | // region. Therefore we also expect to have NumThreads defined. These two | |||
10013 | // values should be defined in the presence of a teams directive, | |||
10014 | // regardless of having any clauses associated. If the user is using teams | |||
10015 | // but no clauses, these two values will be the default that should be | |||
10016 | // passed to the runtime library - a 32-bit integer with the value zero. | |||
10017 | assert(NumThreads && "Thread limit expression should be available along "((NumThreads && "Thread limit expression should be available along " "with number of teams.") ? static_cast<void> (0) : __assert_fail ("NumThreads && \"Thread limit expression should be available along \" \"with number of teams.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10018, __PRETTY_FUNCTION__)) | |||
10018 | "with number of teams.")((NumThreads && "Thread limit expression should be available along " "with number of teams.") ? static_cast<void> (0) : __assert_fail ("NumThreads && \"Thread limit expression should be available along \" \"with number of teams.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10018, __PRETTY_FUNCTION__)); | |||
10019 | llvm::Value *OffloadingArgs[] = {RTLoc, | |||
10020 | DeviceID, | |||
10021 | OutlinedFnID, | |||
10022 | PointerNum, | |||
10023 | InputInfo.BasePointersArray.getPointer(), | |||
10024 | InputInfo.PointersArray.getPointer(), | |||
10025 | InputInfo.SizesArray.getPointer(), | |||
10026 | MapTypesArray, | |||
10027 | MapNamesArray, | |||
10028 | InputInfo.MappersArray.getPointer(), | |||
10029 | NumTeams, | |||
10030 | NumThreads}; | |||
10031 | Return = CGF.EmitRuntimeCall( | |||
10032 | OMPBuilder.getOrCreateRuntimeFunction( | |||
10033 | CGM.getModule(), HasNowait | |||
10034 | ? OMPRTL___tgt_target_teams_nowait_mapper | |||
10035 | : OMPRTL___tgt_target_teams_mapper), | |||
10036 | OffloadingArgs); | |||
10037 | } else { | |||
10038 | llvm::Value *OffloadingArgs[] = {RTLoc, | |||
10039 | DeviceID, | |||
10040 | OutlinedFnID, | |||
10041 | PointerNum, | |||
10042 | InputInfo.BasePointersArray.getPointer(), | |||
10043 | InputInfo.PointersArray.getPointer(), | |||
10044 | InputInfo.SizesArray.getPointer(), | |||
10045 | MapTypesArray, | |||
10046 | MapNamesArray, | |||
10047 | InputInfo.MappersArray.getPointer()}; | |||
10048 | Return = CGF.EmitRuntimeCall( | |||
10049 | OMPBuilder.getOrCreateRuntimeFunction( | |||
10050 | CGM.getModule(), HasNowait ? OMPRTL___tgt_target_nowait_mapper | |||
10051 | : OMPRTL___tgt_target_mapper), | |||
10052 | OffloadingArgs); | |||
10053 | } | |||
10054 | ||||
10055 | // Check the error code and execute the host version if required. | |||
10056 | llvm::BasicBlock *OffloadFailedBlock = | |||
10057 | CGF.createBasicBlock("omp_offload.failed"); | |||
10058 | llvm::BasicBlock *OffloadContBlock = | |||
10059 | CGF.createBasicBlock("omp_offload.cont"); | |||
10060 | llvm::Value *Failed = CGF.Builder.CreateIsNotNull(Return); | |||
10061 | CGF.Builder.CreateCondBr(Failed, OffloadFailedBlock, OffloadContBlock); | |||
10062 | ||||
10063 | CGF.EmitBlock(OffloadFailedBlock); | |||
10064 | if (RequiresOuterTask) { | |||
10065 | CapturedVars.clear(); | |||
10066 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
10067 | } | |||
10068 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | |||
10069 | CGF.EmitBranch(OffloadContBlock); | |||
10070 | ||||
10071 | CGF.EmitBlock(OffloadContBlock, /*IsFinished=*/true); | |||
10072 | }; | |||
10073 | ||||
10074 | // Notify that the host version must be executed. | |||
10075 | auto &&ElseGen = [this, &D, OutlinedFn, &CS, &CapturedVars, | |||
10076 | RequiresOuterTask](CodeGenFunction &CGF, | |||
10077 | PrePostActionTy &) { | |||
10078 | if (RequiresOuterTask) { | |||
10079 | CapturedVars.clear(); | |||
10080 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
10081 | } | |||
10082 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | |||
10083 | }; | |||
10084 | ||||
10085 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | |||
10086 | &MapNamesArray, &CapturedVars, RequiresOuterTask, | |||
10087 | &CS](CodeGenFunction &CGF, PrePostActionTy &) { | |||
10088 | // Fill up the arrays with all the captured variables. | |||
10089 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | |||
10090 | ||||
10091 | // Get mappable expression information. | |||
10092 | MappableExprsHandler MEHandler(D, CGF); | |||
10093 | llvm::DenseMap<llvm::Value *, llvm::Value *> LambdaPointers; | |||
10094 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> MappedVarSet; | |||
10095 | ||||
10096 | auto RI = CS.getCapturedRecordDecl()->field_begin(); | |||
10097 | auto CV = CapturedVars.begin(); | |||
10098 | for (CapturedStmt::const_capture_iterator CI = CS.capture_begin(), | |||
10099 | CE = CS.capture_end(); | |||
10100 | CI != CE; ++CI, ++RI, ++CV) { | |||
10101 | MappableExprsHandler::MapCombinedInfoTy CurInfo; | |||
10102 | MappableExprsHandler::StructRangeInfoTy PartialStruct; | |||
10103 | ||||
10104 | // VLA sizes are passed to the outlined region by copy and do not have map | |||
10105 | // information associated. | |||
10106 | if (CI->capturesVariableArrayType()) { | |||
10107 | CurInfo.Exprs.push_back(nullptr); | |||
10108 | CurInfo.BasePointers.push_back(*CV); | |||
10109 | CurInfo.Pointers.push_back(*CV); | |||
10110 | CurInfo.Sizes.push_back(CGF.Builder.CreateIntCast( | |||
10111 | CGF.getTypeSize(RI->getType()), CGF.Int64Ty, /*isSigned=*/true)); | |||
10112 | // Copy to the device as an argument. No need to retrieve it. | |||
10113 | CurInfo.Types.push_back(MappableExprsHandler::OMP_MAP_LITERAL | | |||
10114 | MappableExprsHandler::OMP_MAP_TARGET_PARAM | | |||
10115 | MappableExprsHandler::OMP_MAP_IMPLICIT); | |||
10116 | CurInfo.Mappers.push_back(nullptr); | |||
10117 | } else { | |||
10118 | // If we have any information in the map clause, we use it, otherwise we | |||
10119 | // just do a default mapping. | |||
10120 | MEHandler.generateInfoForCapture(CI, *CV, CurInfo, PartialStruct); | |||
10121 | if (!CI->capturesThis()) | |||
10122 | MappedVarSet.insert(CI->getCapturedVar()); | |||
10123 | else | |||
10124 | MappedVarSet.insert(nullptr); | |||
10125 | if (CurInfo.BasePointers.empty() && !PartialStruct.Base.isValid()) | |||
10126 | MEHandler.generateDefaultMapInfo(*CI, **RI, *CV, CurInfo); | |||
10127 | // Generate correct mapping for variables captured by reference in | |||
10128 | // lambdas. | |||
10129 | if (CI->capturesVariable()) | |||
10130 | MEHandler.generateInfoForLambdaCaptures(CI->getCapturedVar(), *CV, | |||
10131 | CurInfo, LambdaPointers); | |||
10132 | } | |||
10133 | // We expect to have at least an element of information for this capture. | |||
10134 | assert((!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) &&(((!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid ()) && "Non-existing map pointer for capture!") ? static_cast <void> (0) : __assert_fail ("(!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) && \"Non-existing map pointer for capture!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10135, __PRETTY_FUNCTION__)) | |||
10135 | "Non-existing map pointer for capture!")(((!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid ()) && "Non-existing map pointer for capture!") ? static_cast <void> (0) : __assert_fail ("(!CurInfo.BasePointers.empty() || PartialStruct.Base.isValid()) && \"Non-existing map pointer for capture!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10135, __PRETTY_FUNCTION__)); | |||
10136 | assert(CurInfo.BasePointers.size() == CurInfo.Pointers.size() &&((CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && "Inconsistent map information sizes!") ? static_cast<void > (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10140, __PRETTY_FUNCTION__)) | |||
10137 | CurInfo.BasePointers.size() == CurInfo.Sizes.size() &&((CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && "Inconsistent map information sizes!") ? static_cast<void > (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10140, __PRETTY_FUNCTION__)) | |||
10138 | CurInfo.BasePointers.size() == CurInfo.Types.size() &&((CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && "Inconsistent map information sizes!") ? static_cast<void > (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10140, __PRETTY_FUNCTION__)) | |||
10139 | CurInfo.BasePointers.size() == CurInfo.Mappers.size() &&((CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && "Inconsistent map information sizes!") ? static_cast<void > (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10140, __PRETTY_FUNCTION__)) | |||
10140 | "Inconsistent map information sizes!")((CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && "Inconsistent map information sizes!") ? static_cast<void > (0) : __assert_fail ("CurInfo.BasePointers.size() == CurInfo.Pointers.size() && CurInfo.BasePointers.size() == CurInfo.Sizes.size() && CurInfo.BasePointers.size() == CurInfo.Types.size() && CurInfo.BasePointers.size() == CurInfo.Mappers.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10140, __PRETTY_FUNCTION__)); | |||
10141 | ||||
10142 | // If there is an entry in PartialStruct it means we have a struct with | |||
10143 | // individual members mapped. Emit an extra combined entry. | |||
10144 | if (PartialStruct.Base.isValid()) | |||
10145 | MEHandler.emitCombinedEntry(CombinedInfo, CurInfo.Types, PartialStruct, | |||
10146 | nullptr, /*NoTargetParam=*/false); | |||
10147 | ||||
10148 | // We need to append the results of this capture to what we already have. | |||
10149 | CombinedInfo.append(CurInfo); | |||
10150 | } | |||
10151 | // Adjust MEMBER_OF flags for the lambdas captures. | |||
10152 | MEHandler.adjustMemberOfForLambdaCaptures( | |||
10153 | LambdaPointers, CombinedInfo.BasePointers, CombinedInfo.Pointers, | |||
10154 | CombinedInfo.Types); | |||
10155 | // Map any list items in a map clause that were not captures because they | |||
10156 | // weren't referenced within the construct. | |||
10157 | MEHandler.generateAllInfo(CombinedInfo, MappedVarSet); | |||
10158 | ||||
10159 | TargetDataInfo Info; | |||
10160 | // Fill up the arrays and create the arguments. | |||
10161 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder); | |||
10162 | emitOffloadingArraysArgument( | |||
10163 | CGF, Info.BasePointersArray, Info.PointersArray, Info.SizesArray, | |||
10164 | Info.MapTypesArray, Info.MapNamesArray, Info.MappersArray, Info, | |||
10165 | {/*ForEndTask=*/false}); | |||
10166 | ||||
10167 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | |||
10168 | InputInfo.BasePointersArray = | |||
10169 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | |||
10170 | InputInfo.PointersArray = | |||
10171 | Address(Info.PointersArray, CGM.getPointerAlign()); | |||
10172 | InputInfo.SizesArray = Address(Info.SizesArray, CGM.getPointerAlign()); | |||
10173 | InputInfo.MappersArray = Address(Info.MappersArray, CGM.getPointerAlign()); | |||
10174 | MapTypesArray = Info.MapTypesArray; | |||
10175 | MapNamesArray = Info.MapNamesArray; | |||
10176 | if (RequiresOuterTask) | |||
10177 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | |||
10178 | else | |||
10179 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | |||
10180 | }; | |||
10181 | ||||
10182 | auto &&TargetElseGen = [this, &ElseGen, &D, RequiresOuterTask]( | |||
10183 | CodeGenFunction &CGF, PrePostActionTy &) { | |||
10184 | if (RequiresOuterTask) { | |||
10185 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
10186 | CGF.EmitOMPTargetTaskBasedDirective(D, ElseGen, InputInfo); | |||
10187 | } else { | |||
10188 | emitInlinedDirective(CGF, D.getDirectiveKind(), ElseGen); | |||
10189 | } | |||
10190 | }; | |||
10191 | ||||
10192 | // If we have a target function ID it means that we need to support | |||
10193 | // offloading, otherwise, just execute on the host. We need to execute on host | |||
10194 | // regardless of the conditional in the if clause if, e.g., the user do not | |||
10195 | // specify target triples. | |||
10196 | if (OutlinedFnID) { | |||
10197 | if (IfCond) { | |||
10198 | emitIfClause(CGF, IfCond, TargetThenGen, TargetElseGen); | |||
10199 | } else { | |||
10200 | RegionCodeGenTy ThenRCG(TargetThenGen); | |||
10201 | ThenRCG(CGF); | |||
10202 | } | |||
10203 | } else { | |||
10204 | RegionCodeGenTy ElseRCG(TargetElseGen); | |||
10205 | ElseRCG(CGF); | |||
10206 | } | |||
10207 | } | |||
10208 | ||||
10209 | void CGOpenMPRuntime::scanForTargetRegionsFunctions(const Stmt *S, | |||
10210 | StringRef ParentName) { | |||
10211 | if (!S) | |||
10212 | return; | |||
10213 | ||||
10214 | // Codegen OMP target directives that offload compute to the device. | |||
10215 | bool RequiresDeviceCodegen = | |||
10216 | isa<OMPExecutableDirective>(S) && | |||
10217 | isOpenMPTargetExecutionDirective( | |||
10218 | cast<OMPExecutableDirective>(S)->getDirectiveKind()); | |||
10219 | ||||
10220 | if (RequiresDeviceCodegen) { | |||
10221 | const auto &E = *cast<OMPExecutableDirective>(S); | |||
10222 | unsigned DeviceID; | |||
10223 | unsigned FileID; | |||
10224 | unsigned Line; | |||
10225 | getTargetEntryUniqueInfo(CGM.getContext(), E.getBeginLoc(), DeviceID, | |||
10226 | FileID, Line); | |||
10227 | ||||
10228 | // Is this a target region that should not be emitted as an entry point? If | |||
10229 | // so just signal we are done with this target region. | |||
10230 | if (!OffloadEntriesInfoManager.hasTargetRegionEntryInfo(DeviceID, FileID, | |||
10231 | ParentName, Line)) | |||
10232 | return; | |||
10233 | ||||
10234 | switch (E.getDirectiveKind()) { | |||
10235 | case OMPD_target: | |||
10236 | CodeGenFunction::EmitOMPTargetDeviceFunction(CGM, ParentName, | |||
10237 | cast<OMPTargetDirective>(E)); | |||
10238 | break; | |||
10239 | case OMPD_target_parallel: | |||
10240 | CodeGenFunction::EmitOMPTargetParallelDeviceFunction( | |||
10241 | CGM, ParentName, cast<OMPTargetParallelDirective>(E)); | |||
10242 | break; | |||
10243 | case OMPD_target_teams: | |||
10244 | CodeGenFunction::EmitOMPTargetTeamsDeviceFunction( | |||
10245 | CGM, ParentName, cast<OMPTargetTeamsDirective>(E)); | |||
10246 | break; | |||
10247 | case OMPD_target_teams_distribute: | |||
10248 | CodeGenFunction::EmitOMPTargetTeamsDistributeDeviceFunction( | |||
10249 | CGM, ParentName, cast<OMPTargetTeamsDistributeDirective>(E)); | |||
10250 | break; | |||
10251 | case OMPD_target_teams_distribute_simd: | |||
10252 | CodeGenFunction::EmitOMPTargetTeamsDistributeSimdDeviceFunction( | |||
10253 | CGM, ParentName, cast<OMPTargetTeamsDistributeSimdDirective>(E)); | |||
10254 | break; | |||
10255 | case OMPD_target_parallel_for: | |||
10256 | CodeGenFunction::EmitOMPTargetParallelForDeviceFunction( | |||
10257 | CGM, ParentName, cast<OMPTargetParallelForDirective>(E)); | |||
10258 | break; | |||
10259 | case OMPD_target_parallel_for_simd: | |||
10260 | CodeGenFunction::EmitOMPTargetParallelForSimdDeviceFunction( | |||
10261 | CGM, ParentName, cast<OMPTargetParallelForSimdDirective>(E)); | |||
10262 | break; | |||
10263 | case OMPD_target_simd: | |||
10264 | CodeGenFunction::EmitOMPTargetSimdDeviceFunction( | |||
10265 | CGM, ParentName, cast<OMPTargetSimdDirective>(E)); | |||
10266 | break; | |||
10267 | case OMPD_target_teams_distribute_parallel_for: | |||
10268 | CodeGenFunction::EmitOMPTargetTeamsDistributeParallelForDeviceFunction( | |||
10269 | CGM, ParentName, | |||
10270 | cast<OMPTargetTeamsDistributeParallelForDirective>(E)); | |||
10271 | break; | |||
10272 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10273 | CodeGenFunction:: | |||
10274 | EmitOMPTargetTeamsDistributeParallelForSimdDeviceFunction( | |||
10275 | CGM, ParentName, | |||
10276 | cast<OMPTargetTeamsDistributeParallelForSimdDirective>(E)); | |||
10277 | break; | |||
10278 | case OMPD_parallel: | |||
10279 | case OMPD_for: | |||
10280 | case OMPD_parallel_for: | |||
10281 | case OMPD_parallel_master: | |||
10282 | case OMPD_parallel_sections: | |||
10283 | case OMPD_for_simd: | |||
10284 | case OMPD_parallel_for_simd: | |||
10285 | case OMPD_cancel: | |||
10286 | case OMPD_cancellation_point: | |||
10287 | case OMPD_ordered: | |||
10288 | case OMPD_threadprivate: | |||
10289 | case OMPD_allocate: | |||
10290 | case OMPD_task: | |||
10291 | case OMPD_simd: | |||
10292 | case OMPD_sections: | |||
10293 | case OMPD_section: | |||
10294 | case OMPD_single: | |||
10295 | case OMPD_master: | |||
10296 | case OMPD_critical: | |||
10297 | case OMPD_taskyield: | |||
10298 | case OMPD_barrier: | |||
10299 | case OMPD_taskwait: | |||
10300 | case OMPD_taskgroup: | |||
10301 | case OMPD_atomic: | |||
10302 | case OMPD_flush: | |||
10303 | case OMPD_depobj: | |||
10304 | case OMPD_scan: | |||
10305 | case OMPD_teams: | |||
10306 | case OMPD_target_data: | |||
10307 | case OMPD_target_exit_data: | |||
10308 | case OMPD_target_enter_data: | |||
10309 | case OMPD_distribute: | |||
10310 | case OMPD_distribute_simd: | |||
10311 | case OMPD_distribute_parallel_for: | |||
10312 | case OMPD_distribute_parallel_for_simd: | |||
10313 | case OMPD_teams_distribute: | |||
10314 | case OMPD_teams_distribute_simd: | |||
10315 | case OMPD_teams_distribute_parallel_for: | |||
10316 | case OMPD_teams_distribute_parallel_for_simd: | |||
10317 | case OMPD_target_update: | |||
10318 | case OMPD_declare_simd: | |||
10319 | case OMPD_declare_variant: | |||
10320 | case OMPD_begin_declare_variant: | |||
10321 | case OMPD_end_declare_variant: | |||
10322 | case OMPD_declare_target: | |||
10323 | case OMPD_end_declare_target: | |||
10324 | case OMPD_declare_reduction: | |||
10325 | case OMPD_declare_mapper: | |||
10326 | case OMPD_taskloop: | |||
10327 | case OMPD_taskloop_simd: | |||
10328 | case OMPD_master_taskloop: | |||
10329 | case OMPD_master_taskloop_simd: | |||
10330 | case OMPD_parallel_master_taskloop: | |||
10331 | case OMPD_parallel_master_taskloop_simd: | |||
10332 | case OMPD_requires: | |||
10333 | case OMPD_unknown: | |||
10334 | default: | |||
10335 | llvm_unreachable("Unknown target directive for OpenMP device codegen.")::llvm::llvm_unreachable_internal("Unknown target directive for OpenMP device codegen." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10335); | |||
10336 | } | |||
10337 | return; | |||
10338 | } | |||
10339 | ||||
10340 | if (const auto *E = dyn_cast<OMPExecutableDirective>(S)) { | |||
10341 | if (!E->hasAssociatedStmt() || !E->getAssociatedStmt()) | |||
10342 | return; | |||
10343 | ||||
10344 | scanForTargetRegionsFunctions(E->getRawStmt(), ParentName); | |||
10345 | return; | |||
10346 | } | |||
10347 | ||||
10348 | // If this is a lambda function, look into its body. | |||
10349 | if (const auto *L = dyn_cast<LambdaExpr>(S)) | |||
10350 | S = L->getBody(); | |||
10351 | ||||
10352 | // Keep looking for target regions recursively. | |||
10353 | for (const Stmt *II : S->children()) | |||
10354 | scanForTargetRegionsFunctions(II, ParentName); | |||
10355 | } | |||
10356 | ||||
10357 | bool CGOpenMPRuntime::emitTargetFunctions(GlobalDecl GD) { | |||
10358 | // If emitting code for the host, we do not process FD here. Instead we do | |||
10359 | // the normal code generation. | |||
10360 | if (!CGM.getLangOpts().OpenMPIsDevice) { | |||
10361 | if (const auto *FD = dyn_cast<FunctionDecl>(GD.getDecl())) { | |||
10362 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
10363 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
10364 | // Do not emit device_type(nohost) functions for the host. | |||
10365 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | |||
10366 | return true; | |||
10367 | } | |||
10368 | return false; | |||
10369 | } | |||
10370 | ||||
10371 | const ValueDecl *VD = cast<ValueDecl>(GD.getDecl()); | |||
10372 | // Try to detect target regions in the function. | |||
10373 | if (const auto *FD = dyn_cast<FunctionDecl>(VD)) { | |||
10374 | StringRef Name = CGM.getMangledName(GD); | |||
10375 | scanForTargetRegionsFunctions(FD->getBody(), Name); | |||
10376 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
10377 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
10378 | // Do not emit device_type(nohost) functions for the host. | |||
10379 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | |||
10380 | return true; | |||
10381 | } | |||
10382 | ||||
10383 | // Do not to emit function if it is not marked as declare target. | |||
10384 | return !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) && | |||
10385 | AlreadyEmittedTargetDecls.count(VD) == 0; | |||
10386 | } | |||
10387 | ||||
10388 | bool CGOpenMPRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | |||
10389 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
10390 | return false; | |||
10391 | ||||
10392 | // Check if there are Ctors/Dtors in this declaration and look for target | |||
10393 | // regions in it. We use the complete variant to produce the kernel name | |||
10394 | // mangling. | |||
10395 | QualType RDTy = cast<VarDecl>(GD.getDecl())->getType(); | |||
10396 | if (const auto *RD = RDTy->getBaseElementTypeUnsafe()->getAsCXXRecordDecl()) { | |||
10397 | for (const CXXConstructorDecl *Ctor : RD->ctors()) { | |||
10398 | StringRef ParentName = | |||
10399 | CGM.getMangledName(GlobalDecl(Ctor, Ctor_Complete)); | |||
10400 | scanForTargetRegionsFunctions(Ctor->getBody(), ParentName); | |||
10401 | } | |||
10402 | if (const CXXDestructorDecl *Dtor = RD->getDestructor()) { | |||
10403 | StringRef ParentName = | |||
10404 | CGM.getMangledName(GlobalDecl(Dtor, Dtor_Complete)); | |||
10405 | scanForTargetRegionsFunctions(Dtor->getBody(), ParentName); | |||
10406 | } | |||
10407 | } | |||
10408 | ||||
10409 | // Do not to emit variable if it is not marked as declare target. | |||
10410 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
10411 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( | |||
10412 | cast<VarDecl>(GD.getDecl())); | |||
10413 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
10414 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
10415 | HasRequiresUnifiedSharedMemory)) { | |||
10416 | DeferredGlobalVariables.insert(cast<VarDecl>(GD.getDecl())); | |||
10417 | return true; | |||
10418 | } | |||
10419 | return false; | |||
10420 | } | |||
10421 | ||||
10422 | llvm::Constant * | |||
10423 | CGOpenMPRuntime::registerTargetFirstprivateCopy(CodeGenFunction &CGF, | |||
10424 | const VarDecl *VD) { | |||
10425 | assert(VD->getType().isConstant(CGM.getContext()) &&((VD->getType().isConstant(CGM.getContext()) && "Expected constant variable." ) ? static_cast<void> (0) : __assert_fail ("VD->getType().isConstant(CGM.getContext()) && \"Expected constant variable.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10426, __PRETTY_FUNCTION__)) | |||
10426 | "Expected constant variable.")((VD->getType().isConstant(CGM.getContext()) && "Expected constant variable." ) ? static_cast<void> (0) : __assert_fail ("VD->getType().isConstant(CGM.getContext()) && \"Expected constant variable.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10426, __PRETTY_FUNCTION__)); | |||
10427 | StringRef VarName; | |||
10428 | llvm::Constant *Addr; | |||
10429 | llvm::GlobalValue::LinkageTypes Linkage; | |||
10430 | QualType Ty = VD->getType(); | |||
10431 | SmallString<128> Buffer; | |||
10432 | { | |||
10433 | unsigned DeviceID; | |||
10434 | unsigned FileID; | |||
10435 | unsigned Line; | |||
10436 | getTargetEntryUniqueInfo(CGM.getContext(), VD->getLocation(), DeviceID, | |||
10437 | FileID, Line); | |||
10438 | llvm::raw_svector_ostream OS(Buffer); | |||
10439 | OS << "__omp_offloading_firstprivate_" << llvm::format("_%x", DeviceID) | |||
10440 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | |||
10441 | VarName = OS.str(); | |||
10442 | } | |||
10443 | Linkage = llvm::GlobalValue::InternalLinkage; | |||
10444 | Addr = | |||
10445 | getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(Ty), VarName, | |||
10446 | getDefaultFirstprivateAddressSpace()); | |||
10447 | cast<llvm::GlobalValue>(Addr)->setLinkage(Linkage); | |||
10448 | CharUnits VarSize = CGM.getContext().getTypeSizeInChars(Ty); | |||
10449 | CGM.addCompilerUsedGlobal(cast<llvm::GlobalValue>(Addr)); | |||
10450 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | |||
10451 | VarName, Addr, VarSize, | |||
10452 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo, Linkage); | |||
10453 | return Addr; | |||
10454 | } | |||
10455 | ||||
10456 | void CGOpenMPRuntime::registerTargetGlobalVariable(const VarDecl *VD, | |||
10457 | llvm::Constant *Addr) { | |||
10458 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | |||
10459 | !CGM.getLangOpts().OpenMPIsDevice) | |||
10460 | return; | |||
10461 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
10462 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
10463 | if (!Res) { | |||
10464 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
10465 | // Register non-target variables being emitted in device code (debug info | |||
10466 | // may cause this). | |||
10467 | StringRef VarName = CGM.getMangledName(VD); | |||
10468 | EmittedNonTargetVariables.try_emplace(VarName, Addr); | |||
10469 | } | |||
10470 | return; | |||
10471 | } | |||
10472 | // Register declare target variables. | |||
10473 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags; | |||
10474 | StringRef VarName; | |||
10475 | CharUnits VarSize; | |||
10476 | llvm::GlobalValue::LinkageTypes Linkage; | |||
10477 | ||||
10478 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
10479 | !HasRequiresUnifiedSharedMemory) { | |||
10480 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | |||
10481 | VarName = CGM.getMangledName(VD); | |||
10482 | if (VD->hasDefinition(CGM.getContext()) != VarDecl::DeclarationOnly) { | |||
10483 | VarSize = CGM.getContext().getTypeSizeInChars(VD->getType()); | |||
10484 | assert(!VarSize.isZero() && "Expected non-zero size of the variable")((!VarSize.isZero() && "Expected non-zero size of the variable" ) ? static_cast<void> (0) : __assert_fail ("!VarSize.isZero() && \"Expected non-zero size of the variable\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10484, __PRETTY_FUNCTION__)); | |||
10485 | } else { | |||
10486 | VarSize = CharUnits::Zero(); | |||
10487 | } | |||
10488 | Linkage = CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false); | |||
10489 | // Temp solution to prevent optimizations of the internal variables. | |||
10490 | if (CGM.getLangOpts().OpenMPIsDevice && !VD->isExternallyVisible()) { | |||
10491 | std::string RefName = getName({VarName, "ref"}); | |||
10492 | if (!CGM.GetGlobalValue(RefName)) { | |||
10493 | llvm::Constant *AddrRef = | |||
10494 | getOrCreateInternalVariable(Addr->getType(), RefName); | |||
10495 | auto *GVAddrRef = cast<llvm::GlobalVariable>(AddrRef); | |||
10496 | GVAddrRef->setConstant(/*Val=*/true); | |||
10497 | GVAddrRef->setLinkage(llvm::GlobalValue::InternalLinkage); | |||
10498 | GVAddrRef->setInitializer(Addr); | |||
10499 | CGM.addCompilerUsedGlobal(GVAddrRef); | |||
10500 | } | |||
10501 | } | |||
10502 | } else { | |||
10503 | assert(((*Res == OMPDeclareTargetDeclAttr::MT_Link) ||((((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Declare target attribute must link or to with unified memory." ) ? static_cast<void> (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10506, __PRETTY_FUNCTION__)) | |||
10504 | (*Res == OMPDeclareTargetDeclAttr::MT_To &&((((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Declare target attribute must link or to with unified memory." ) ? static_cast<void> (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10506, __PRETTY_FUNCTION__)) | |||
10505 | HasRequiresUnifiedSharedMemory)) &&((((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Declare target attribute must link or to with unified memory." ) ? static_cast<void> (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10506, __PRETTY_FUNCTION__)) | |||
10506 | "Declare target attribute must link or to with unified memory.")((((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Declare target attribute must link or to with unified memory." ) ? static_cast<void> (0) : __assert_fail ("((*Res == OMPDeclareTargetDeclAttr::MT_Link) || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Declare target attribute must link or to with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10506, __PRETTY_FUNCTION__)); | |||
10507 | if (*Res == OMPDeclareTargetDeclAttr::MT_Link) | |||
10508 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink; | |||
10509 | else | |||
10510 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | |||
10511 | ||||
10512 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
10513 | VarName = Addr->getName(); | |||
10514 | Addr = nullptr; | |||
10515 | } else { | |||
10516 | VarName = getAddrOfDeclareTargetVar(VD).getName(); | |||
10517 | Addr = cast<llvm::Constant>(getAddrOfDeclareTargetVar(VD).getPointer()); | |||
10518 | } | |||
10519 | VarSize = CGM.getPointerSize(); | |||
10520 | Linkage = llvm::GlobalValue::WeakAnyLinkage; | |||
10521 | } | |||
10522 | ||||
10523 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | |||
10524 | VarName, Addr, VarSize, Flags, Linkage); | |||
10525 | } | |||
10526 | ||||
10527 | bool CGOpenMPRuntime::emitTargetGlobal(GlobalDecl GD) { | |||
10528 | if (isa<FunctionDecl>(GD.getDecl()) || | |||
10529 | isa<OMPDeclareReductionDecl>(GD.getDecl())) | |||
10530 | return emitTargetFunctions(GD); | |||
10531 | ||||
10532 | return emitTargetGlobalVariable(GD); | |||
10533 | } | |||
10534 | ||||
10535 | void CGOpenMPRuntime::emitDeferredTargetDecls() const { | |||
10536 | for (const VarDecl *VD : DeferredGlobalVariables) { | |||
10537 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
10538 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
10539 | if (!Res) | |||
10540 | continue; | |||
10541 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
10542 | !HasRequiresUnifiedSharedMemory) { | |||
10543 | CGM.EmitGlobal(VD); | |||
10544 | } else { | |||
10545 | assert((*Res == OMPDeclareTargetDeclAttr::MT_Link ||(((*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Expected link clause or to clause with unified memory.") ? static_cast <void> (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10548, __PRETTY_FUNCTION__)) | |||
10546 | (*Res == OMPDeclareTargetDeclAttr::MT_To &&(((*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Expected link clause or to clause with unified memory.") ? static_cast <void> (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10548, __PRETTY_FUNCTION__)) | |||
10547 | HasRequiresUnifiedSharedMemory)) &&(((*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Expected link clause or to clause with unified memory.") ? static_cast <void> (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10548, __PRETTY_FUNCTION__)) | |||
10548 | "Expected link clause or to clause with unified memory.")(((*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr ::MT_To && HasRequiresUnifiedSharedMemory)) && "Expected link clause or to clause with unified memory.") ? static_cast <void> (0) : __assert_fail ("(*Res == OMPDeclareTargetDeclAttr::MT_Link || (*Res == OMPDeclareTargetDeclAttr::MT_To && HasRequiresUnifiedSharedMemory)) && \"Expected link clause or to clause with unified memory.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10548, __PRETTY_FUNCTION__)); | |||
10549 | (void)CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | |||
10550 | } | |||
10551 | } | |||
10552 | } | |||
10553 | ||||
10554 | void CGOpenMPRuntime::adjustTargetSpecificDataForLambdas( | |||
10555 | CodeGenFunction &CGF, const OMPExecutableDirective &D) const { | |||
10556 | assert(isOpenMPTargetExecutionDirective(D.getDirectiveKind()) &&((isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && " Expected target-based directive.") ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && \" Expected target-based directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10557, __PRETTY_FUNCTION__)) | |||
10557 | " Expected target-based directive.")((isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && " Expected target-based directive.") ? static_cast<void> (0) : __assert_fail ("isOpenMPTargetExecutionDirective(D.getDirectiveKind()) && \" Expected target-based directive.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10557, __PRETTY_FUNCTION__)); | |||
10558 | } | |||
10559 | ||||
10560 | void CGOpenMPRuntime::processRequiresDirective(const OMPRequiresDecl *D) { | |||
10561 | for (const OMPClause *Clause : D->clauselists()) { | |||
10562 | if (Clause->getClauseKind() == OMPC_unified_shared_memory) { | |||
10563 | HasRequiresUnifiedSharedMemory = true; | |||
10564 | } else if (const auto *AC = | |||
10565 | dyn_cast<OMPAtomicDefaultMemOrderClause>(Clause)) { | |||
10566 | switch (AC->getAtomicDefaultMemOrderKind()) { | |||
10567 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_acq_rel: | |||
10568 | RequiresAtomicOrdering = llvm::AtomicOrdering::AcquireRelease; | |||
10569 | break; | |||
10570 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_seq_cst: | |||
10571 | RequiresAtomicOrdering = llvm::AtomicOrdering::SequentiallyConsistent; | |||
10572 | break; | |||
10573 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_relaxed: | |||
10574 | RequiresAtomicOrdering = llvm::AtomicOrdering::Monotonic; | |||
10575 | break; | |||
10576 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown: | |||
10577 | break; | |||
10578 | } | |||
10579 | } | |||
10580 | } | |||
10581 | } | |||
10582 | ||||
10583 | llvm::AtomicOrdering CGOpenMPRuntime::getDefaultMemoryOrdering() const { | |||
10584 | return RequiresAtomicOrdering; | |||
10585 | } | |||
10586 | ||||
10587 | bool CGOpenMPRuntime::hasAllocateAttributeForGlobalVar(const VarDecl *VD, | |||
10588 | LangAS &AS) { | |||
10589 | if (!VD || !VD->hasAttr<OMPAllocateDeclAttr>()) | |||
10590 | return false; | |||
10591 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | |||
10592 | switch(A->getAllocatorType()) { | |||
10593 | case OMPAllocateDeclAttr::OMPNullMemAlloc: | |||
10594 | case OMPAllocateDeclAttr::OMPDefaultMemAlloc: | |||
10595 | // Not supported, fallback to the default mem space. | |||
10596 | case OMPAllocateDeclAttr::OMPLargeCapMemAlloc: | |||
10597 | case OMPAllocateDeclAttr::OMPCGroupMemAlloc: | |||
10598 | case OMPAllocateDeclAttr::OMPHighBWMemAlloc: | |||
10599 | case OMPAllocateDeclAttr::OMPLowLatMemAlloc: | |||
10600 | case OMPAllocateDeclAttr::OMPThreadMemAlloc: | |||
10601 | case OMPAllocateDeclAttr::OMPConstMemAlloc: | |||
10602 | case OMPAllocateDeclAttr::OMPPTeamMemAlloc: | |||
10603 | AS = LangAS::Default; | |||
10604 | return true; | |||
10605 | case OMPAllocateDeclAttr::OMPUserDefinedMemAlloc: | |||
10606 | llvm_unreachable("Expected predefined allocator for the variables with the "::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10607) | |||
10607 | "static storage.")::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10607); | |||
10608 | } | |||
10609 | return false; | |||
10610 | } | |||
10611 | ||||
10612 | bool CGOpenMPRuntime::hasRequiresUnifiedSharedMemory() const { | |||
10613 | return HasRequiresUnifiedSharedMemory; | |||
10614 | } | |||
10615 | ||||
10616 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::DisableAutoDeclareTargetRAII( | |||
10617 | CodeGenModule &CGM) | |||
10618 | : CGM(CGM) { | |||
10619 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
10620 | SavedShouldMarkAsGlobal = CGM.getOpenMPRuntime().ShouldMarkAsGlobal; | |||
10621 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = false; | |||
10622 | } | |||
10623 | } | |||
10624 | ||||
10625 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::~DisableAutoDeclareTargetRAII() { | |||
10626 | if (CGM.getLangOpts().OpenMPIsDevice) | |||
10627 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = SavedShouldMarkAsGlobal; | |||
10628 | } | |||
10629 | ||||
10630 | bool CGOpenMPRuntime::markAsGlobalTarget(GlobalDecl GD) { | |||
10631 | if (!CGM.getLangOpts().OpenMPIsDevice || !ShouldMarkAsGlobal) | |||
10632 | return true; | |||
10633 | ||||
10634 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | |||
10635 | // Do not to emit function if it is marked as declare target as it was already | |||
10636 | // emitted. | |||
10637 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(D)) { | |||
10638 | if (D->hasBody() && AlreadyEmittedTargetDecls.count(D) == 0) { | |||
10639 | if (auto *F = dyn_cast_or_null<llvm::Function>( | |||
10640 | CGM.GetGlobalValue(CGM.getMangledName(GD)))) | |||
10641 | return !F->isDeclaration(); | |||
10642 | return false; | |||
10643 | } | |||
10644 | return true; | |||
10645 | } | |||
10646 | ||||
10647 | return !AlreadyEmittedTargetDecls.insert(D).second; | |||
10648 | } | |||
10649 | ||||
10650 | llvm::Function *CGOpenMPRuntime::emitRequiresDirectiveRegFun() { | |||
10651 | // If we don't have entries or if we are emitting code for the device, we | |||
10652 | // don't need to do anything. | |||
10653 | if (CGM.getLangOpts().OMPTargetTriples.empty() || | |||
10654 | CGM.getLangOpts().OpenMPSimd || CGM.getLangOpts().OpenMPIsDevice || | |||
10655 | (OffloadEntriesInfoManager.empty() && | |||
10656 | !HasEmittedDeclareTargetRegion && | |||
10657 | !HasEmittedTargetRegion)) | |||
10658 | return nullptr; | |||
10659 | ||||
10660 | // Create and register the function that handles the requires directives. | |||
10661 | ASTContext &C = CGM.getContext(); | |||
10662 | ||||
10663 | llvm::Function *RequiresRegFn; | |||
10664 | { | |||
10665 | CodeGenFunction CGF(CGM); | |||
10666 | const auto &FI = CGM.getTypes().arrangeNullaryFunction(); | |||
10667 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
10668 | std::string ReqName = getName({"omp_offloading", "requires_reg"}); | |||
10669 | RequiresRegFn = CGM.CreateGlobalInitOrCleanUpFunction(FTy, ReqName, FI); | |||
10670 | CGF.StartFunction(GlobalDecl(), C.VoidTy, RequiresRegFn, FI, {}); | |||
10671 | OpenMPOffloadingRequiresDirFlags Flags = OMP_REQ_NONE; | |||
10672 | // TODO: check for other requires clauses. | |||
10673 | // The requires directive takes effect only when a target region is | |||
10674 | // present in the compilation unit. Otherwise it is ignored and not | |||
10675 | // passed to the runtime. This avoids the runtime from throwing an error | |||
10676 | // for mismatching requires clauses across compilation units that don't | |||
10677 | // contain at least 1 target region. | |||
10678 | assert((HasEmittedTargetRegion ||(((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && "Target or declare target region expected." ) ? static_cast<void> (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && \"Target or declare target region expected.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10681, __PRETTY_FUNCTION__)) | |||
10679 | HasEmittedDeclareTargetRegion ||(((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && "Target or declare target region expected." ) ? static_cast<void> (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && \"Target or declare target region expected.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10681, __PRETTY_FUNCTION__)) | |||
10680 | !OffloadEntriesInfoManager.empty()) &&(((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && "Target or declare target region expected." ) ? static_cast<void> (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && \"Target or declare target region expected.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10681, __PRETTY_FUNCTION__)) | |||
10681 | "Target or declare target region expected.")(((HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && "Target or declare target region expected." ) ? static_cast<void> (0) : __assert_fail ("(HasEmittedTargetRegion || HasEmittedDeclareTargetRegion || !OffloadEntriesInfoManager.empty()) && \"Target or declare target region expected.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10681, __PRETTY_FUNCTION__)); | |||
10682 | if (HasRequiresUnifiedSharedMemory) | |||
10683 | Flags = OMP_REQ_UNIFIED_SHARED_MEMORY; | |||
10684 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
10685 | CGM.getModule(), OMPRTL___tgt_register_requires), | |||
10686 | llvm::ConstantInt::get(CGM.Int64Ty, Flags)); | |||
10687 | CGF.FinishFunction(); | |||
10688 | } | |||
10689 | return RequiresRegFn; | |||
10690 | } | |||
10691 | ||||
10692 | void CGOpenMPRuntime::emitTeamsCall(CodeGenFunction &CGF, | |||
10693 | const OMPExecutableDirective &D, | |||
10694 | SourceLocation Loc, | |||
10695 | llvm::Function *OutlinedFn, | |||
10696 | ArrayRef<llvm::Value *> CapturedVars) { | |||
10697 | if (!CGF.HaveInsertPoint()) | |||
10698 | return; | |||
10699 | ||||
10700 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
10701 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
10702 | ||||
10703 | // Build call __kmpc_fork_teams(loc, n, microtask, var1, .., varn); | |||
10704 | llvm::Value *Args[] = { | |||
10705 | RTLoc, | |||
10706 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | |||
10707 | CGF.Builder.CreateBitCast(OutlinedFn, getKmpc_MicroPointerTy())}; | |||
10708 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | |||
10709 | RealArgs.append(std::begin(Args), std::end(Args)); | |||
10710 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
10711 | ||||
10712 | llvm::FunctionCallee RTLFn = OMPBuilder.getOrCreateRuntimeFunction( | |||
10713 | CGM.getModule(), OMPRTL___kmpc_fork_teams); | |||
10714 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | |||
10715 | } | |||
10716 | ||||
10717 | void CGOpenMPRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | |||
10718 | const Expr *NumTeams, | |||
10719 | const Expr *ThreadLimit, | |||
10720 | SourceLocation Loc) { | |||
10721 | if (!CGF.HaveInsertPoint()) | |||
10722 | return; | |||
10723 | ||||
10724 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
10725 | ||||
10726 | llvm::Value *NumTeamsVal = | |||
10727 | NumTeams | |||
10728 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(NumTeams), | |||
10729 | CGF.CGM.Int32Ty, /* isSigned = */ true) | |||
10730 | : CGF.Builder.getInt32(0); | |||
10731 | ||||
10732 | llvm::Value *ThreadLimitVal = | |||
10733 | ThreadLimit | |||
10734 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(ThreadLimit), | |||
10735 | CGF.CGM.Int32Ty, /* isSigned = */ true) | |||
10736 | : CGF.Builder.getInt32(0); | |||
10737 | ||||
10738 | // Build call __kmpc_push_num_teamss(&loc, global_tid, num_teams, thread_limit) | |||
10739 | llvm::Value *PushNumTeamsArgs[] = {RTLoc, getThreadID(CGF, Loc), NumTeamsVal, | |||
10740 | ThreadLimitVal}; | |||
10741 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
10742 | CGM.getModule(), OMPRTL___kmpc_push_num_teams), | |||
10743 | PushNumTeamsArgs); | |||
10744 | } | |||
10745 | ||||
10746 | void CGOpenMPRuntime::emitTargetDataCalls( | |||
10747 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
10748 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | |||
10749 | if (!CGF.HaveInsertPoint()) | |||
10750 | return; | |||
10751 | ||||
10752 | // Action used to replace the default codegen action and turn privatization | |||
10753 | // off. | |||
10754 | PrePostActionTy NoPrivAction; | |||
10755 | ||||
10756 | // Generate the code for the opening of the data environment. Capture all the | |||
10757 | // arguments of the runtime call by reference because they are used in the | |||
10758 | // closing of the region. | |||
10759 | auto &&BeginThenGen = [this, &D, Device, &Info, | |||
10760 | &CodeGen](CodeGenFunction &CGF, PrePostActionTy &) { | |||
10761 | // Fill up the arrays with all the mapped variables. | |||
10762 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | |||
10763 | ||||
10764 | // Get map clause information. | |||
10765 | MappableExprsHandler MEHandler(D, CGF); | |||
10766 | MEHandler.generateAllInfo(CombinedInfo); | |||
10767 | ||||
10768 | // Fill up the arrays and create the arguments. | |||
10769 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder, | |||
10770 | /*IsNonContiguous=*/true); | |||
10771 | ||||
10772 | llvm::Value *BasePointersArrayArg = nullptr; | |||
10773 | llvm::Value *PointersArrayArg = nullptr; | |||
10774 | llvm::Value *SizesArrayArg = nullptr; | |||
10775 | llvm::Value *MapTypesArrayArg = nullptr; | |||
10776 | llvm::Value *MapNamesArrayArg = nullptr; | |||
10777 | llvm::Value *MappersArrayArg = nullptr; | |||
10778 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | |||
10779 | SizesArrayArg, MapTypesArrayArg, | |||
10780 | MapNamesArrayArg, MappersArrayArg, Info); | |||
10781 | ||||
10782 | // Emit device ID if any. | |||
10783 | llvm::Value *DeviceID = nullptr; | |||
10784 | if (Device) { | |||
10785 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10786 | CGF.Int64Ty, /*isSigned=*/true); | |||
10787 | } else { | |||
10788 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10789 | } | |||
10790 | ||||
10791 | // Emit the number of elements in the offloading arrays. | |||
10792 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | |||
10793 | // | |||
10794 | // Source location for the ident struct | |||
10795 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
10796 | ||||
10797 | llvm::Value *OffloadingArgs[] = {RTLoc, | |||
10798 | DeviceID, | |||
10799 | PointerNum, | |||
10800 | BasePointersArrayArg, | |||
10801 | PointersArrayArg, | |||
10802 | SizesArrayArg, | |||
10803 | MapTypesArrayArg, | |||
10804 | MapNamesArrayArg, | |||
10805 | MappersArrayArg}; | |||
10806 | CGF.EmitRuntimeCall( | |||
10807 | OMPBuilder.getOrCreateRuntimeFunction( | |||
10808 | CGM.getModule(), OMPRTL___tgt_target_data_begin_mapper), | |||
10809 | OffloadingArgs); | |||
10810 | ||||
10811 | // If device pointer privatization is required, emit the body of the region | |||
10812 | // here. It will have to be duplicated: with and without privatization. | |||
10813 | if (!Info.CaptureDeviceAddrMap.empty()) | |||
10814 | CodeGen(CGF); | |||
10815 | }; | |||
10816 | ||||
10817 | // Generate code for the closing of the data region. | |||
10818 | auto &&EndThenGen = [this, Device, &Info, &D](CodeGenFunction &CGF, | |||
10819 | PrePostActionTy &) { | |||
10820 | assert(Info.isValid() && "Invalid data environment closing arguments.")((Info.isValid() && "Invalid data environment closing arguments." ) ? static_cast<void> (0) : __assert_fail ("Info.isValid() && \"Invalid data environment closing arguments.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10820, __PRETTY_FUNCTION__)); | |||
10821 | ||||
10822 | llvm::Value *BasePointersArrayArg = nullptr; | |||
10823 | llvm::Value *PointersArrayArg = nullptr; | |||
10824 | llvm::Value *SizesArrayArg = nullptr; | |||
10825 | llvm::Value *MapTypesArrayArg = nullptr; | |||
10826 | llvm::Value *MapNamesArrayArg = nullptr; | |||
10827 | llvm::Value *MappersArrayArg = nullptr; | |||
10828 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | |||
10829 | SizesArrayArg, MapTypesArrayArg, | |||
10830 | MapNamesArrayArg, MappersArrayArg, Info, | |||
10831 | {/*ForEndCall=*/true}); | |||
10832 | ||||
10833 | // Emit device ID if any. | |||
10834 | llvm::Value *DeviceID = nullptr; | |||
10835 | if (Device) { | |||
10836 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10837 | CGF.Int64Ty, /*isSigned=*/true); | |||
10838 | } else { | |||
10839 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10840 | } | |||
10841 | ||||
10842 | // Emit the number of elements in the offloading arrays. | |||
10843 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | |||
10844 | ||||
10845 | // Source location for the ident struct | |||
10846 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
10847 | ||||
10848 | llvm::Value *OffloadingArgs[] = {RTLoc, | |||
10849 | DeviceID, | |||
10850 | PointerNum, | |||
10851 | BasePointersArrayArg, | |||
10852 | PointersArrayArg, | |||
10853 | SizesArrayArg, | |||
10854 | MapTypesArrayArg, | |||
10855 | MapNamesArrayArg, | |||
10856 | MappersArrayArg}; | |||
10857 | CGF.EmitRuntimeCall( | |||
10858 | OMPBuilder.getOrCreateRuntimeFunction( | |||
10859 | CGM.getModule(), OMPRTL___tgt_target_data_end_mapper), | |||
10860 | OffloadingArgs); | |||
10861 | }; | |||
10862 | ||||
10863 | // If we need device pointer privatization, we need to emit the body of the | |||
10864 | // region with no privatization in the 'else' branch of the conditional. | |||
10865 | // Otherwise, we don't have to do anything. | |||
10866 | auto &&BeginElseGen = [&Info, &CodeGen, &NoPrivAction](CodeGenFunction &CGF, | |||
10867 | PrePostActionTy &) { | |||
10868 | if (!Info.CaptureDeviceAddrMap.empty()) { | |||
10869 | CodeGen.setAction(NoPrivAction); | |||
10870 | CodeGen(CGF); | |||
10871 | } | |||
10872 | }; | |||
10873 | ||||
10874 | // We don't have to do anything to close the region if the if clause evaluates | |||
10875 | // to false. | |||
10876 | auto &&EndElseGen = [](CodeGenFunction &CGF, PrePostActionTy &) {}; | |||
10877 | ||||
10878 | if (IfCond) { | |||
10879 | emitIfClause(CGF, IfCond, BeginThenGen, BeginElseGen); | |||
10880 | } else { | |||
10881 | RegionCodeGenTy RCG(BeginThenGen); | |||
10882 | RCG(CGF); | |||
10883 | } | |||
10884 | ||||
10885 | // If we don't require privatization of device pointers, we emit the body in | |||
10886 | // between the runtime calls. This avoids duplicating the body code. | |||
10887 | if (Info.CaptureDeviceAddrMap.empty()) { | |||
10888 | CodeGen.setAction(NoPrivAction); | |||
10889 | CodeGen(CGF); | |||
10890 | } | |||
10891 | ||||
10892 | if (IfCond) { | |||
10893 | emitIfClause(CGF, IfCond, EndThenGen, EndElseGen); | |||
10894 | } else { | |||
10895 | RegionCodeGenTy RCG(EndThenGen); | |||
10896 | RCG(CGF); | |||
10897 | } | |||
10898 | } | |||
10899 | ||||
10900 | void CGOpenMPRuntime::emitTargetDataStandAloneCall( | |||
10901 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
10902 | const Expr *Device) { | |||
10903 | if (!CGF.HaveInsertPoint()) | |||
10904 | return; | |||
10905 | ||||
10906 | assert((isa<OMPTargetEnterDataDirective>(D) ||(((isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective >(D) || isa<OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? static_cast<void> (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10909, __PRETTY_FUNCTION__)) | |||
10907 | isa<OMPTargetExitDataDirective>(D) ||(((isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective >(D) || isa<OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? static_cast<void> (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10909, __PRETTY_FUNCTION__)) | |||
10908 | isa<OMPTargetUpdateDirective>(D)) &&(((isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective >(D) || isa<OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? static_cast<void> (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10909, __PRETTY_FUNCTION__)) | |||
10909 | "Expecting either target enter, exit data, or update directives.")(((isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective >(D) || isa<OMPTargetUpdateDirective>(D)) && "Expecting either target enter, exit data, or update directives." ) ? static_cast<void> (0) : __assert_fail ("(isa<OMPTargetEnterDataDirective>(D) || isa<OMPTargetExitDataDirective>(D) || isa<OMPTargetUpdateDirective>(D)) && \"Expecting either target enter, exit data, or update directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10909, __PRETTY_FUNCTION__)); | |||
10910 | ||||
10911 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
10912 | llvm::Value *MapTypesArray = nullptr; | |||
10913 | llvm::Value *MapNamesArray = nullptr; | |||
10914 | // Generate the code for the opening of the data environment. | |||
10915 | auto &&ThenGen = [this, &D, Device, &InputInfo, &MapTypesArray, | |||
10916 | &MapNamesArray](CodeGenFunction &CGF, PrePostActionTy &) { | |||
10917 | // Emit device ID if any. | |||
10918 | llvm::Value *DeviceID = nullptr; | |||
10919 | if (Device) { | |||
10920 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10921 | CGF.Int64Ty, /*isSigned=*/true); | |||
10922 | } else { | |||
10923 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10924 | } | |||
10925 | ||||
10926 | // Emit the number of elements in the offloading arrays. | |||
10927 | llvm::Constant *PointerNum = | |||
10928 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | |||
10929 | ||||
10930 | // Source location for the ident struct | |||
10931 | llvm::Value *RTLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
10932 | ||||
10933 | llvm::Value *OffloadingArgs[] = {RTLoc, | |||
10934 | DeviceID, | |||
10935 | PointerNum, | |||
10936 | InputInfo.BasePointersArray.getPointer(), | |||
10937 | InputInfo.PointersArray.getPointer(), | |||
10938 | InputInfo.SizesArray.getPointer(), | |||
10939 | MapTypesArray, | |||
10940 | MapNamesArray, | |||
10941 | InputInfo.MappersArray.getPointer()}; | |||
10942 | ||||
10943 | // Select the right runtime function call for each standalone | |||
10944 | // directive. | |||
10945 | const bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | |||
10946 | RuntimeFunction RTLFn; | |||
10947 | switch (D.getDirectiveKind()) { | |||
10948 | case OMPD_target_enter_data: | |||
10949 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_begin_nowait_mapper | |||
10950 | : OMPRTL___tgt_target_data_begin_mapper; | |||
10951 | break; | |||
10952 | case OMPD_target_exit_data: | |||
10953 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_end_nowait_mapper | |||
10954 | : OMPRTL___tgt_target_data_end_mapper; | |||
10955 | break; | |||
10956 | case OMPD_target_update: | |||
10957 | RTLFn = HasNowait ? OMPRTL___tgt_target_data_update_nowait_mapper | |||
10958 | : OMPRTL___tgt_target_data_update_mapper; | |||
10959 | break; | |||
10960 | case OMPD_parallel: | |||
10961 | case OMPD_for: | |||
10962 | case OMPD_parallel_for: | |||
10963 | case OMPD_parallel_master: | |||
10964 | case OMPD_parallel_sections: | |||
10965 | case OMPD_for_simd: | |||
10966 | case OMPD_parallel_for_simd: | |||
10967 | case OMPD_cancel: | |||
10968 | case OMPD_cancellation_point: | |||
10969 | case OMPD_ordered: | |||
10970 | case OMPD_threadprivate: | |||
10971 | case OMPD_allocate: | |||
10972 | case OMPD_task: | |||
10973 | case OMPD_simd: | |||
10974 | case OMPD_sections: | |||
10975 | case OMPD_section: | |||
10976 | case OMPD_single: | |||
10977 | case OMPD_master: | |||
10978 | case OMPD_critical: | |||
10979 | case OMPD_taskyield: | |||
10980 | case OMPD_barrier: | |||
10981 | case OMPD_taskwait: | |||
10982 | case OMPD_taskgroup: | |||
10983 | case OMPD_atomic: | |||
10984 | case OMPD_flush: | |||
10985 | case OMPD_depobj: | |||
10986 | case OMPD_scan: | |||
10987 | case OMPD_teams: | |||
10988 | case OMPD_target_data: | |||
10989 | case OMPD_distribute: | |||
10990 | case OMPD_distribute_simd: | |||
10991 | case OMPD_distribute_parallel_for: | |||
10992 | case OMPD_distribute_parallel_for_simd: | |||
10993 | case OMPD_teams_distribute: | |||
10994 | case OMPD_teams_distribute_simd: | |||
10995 | case OMPD_teams_distribute_parallel_for: | |||
10996 | case OMPD_teams_distribute_parallel_for_simd: | |||
10997 | case OMPD_declare_simd: | |||
10998 | case OMPD_declare_variant: | |||
10999 | case OMPD_begin_declare_variant: | |||
11000 | case OMPD_end_declare_variant: | |||
11001 | case OMPD_declare_target: | |||
11002 | case OMPD_end_declare_target: | |||
11003 | case OMPD_declare_reduction: | |||
11004 | case OMPD_declare_mapper: | |||
11005 | case OMPD_taskloop: | |||
11006 | case OMPD_taskloop_simd: | |||
11007 | case OMPD_master_taskloop: | |||
11008 | case OMPD_master_taskloop_simd: | |||
11009 | case OMPD_parallel_master_taskloop: | |||
11010 | case OMPD_parallel_master_taskloop_simd: | |||
11011 | case OMPD_target: | |||
11012 | case OMPD_target_simd: | |||
11013 | case OMPD_target_teams_distribute: | |||
11014 | case OMPD_target_teams_distribute_simd: | |||
11015 | case OMPD_target_teams_distribute_parallel_for: | |||
11016 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
11017 | case OMPD_target_teams: | |||
11018 | case OMPD_target_parallel: | |||
11019 | case OMPD_target_parallel_for: | |||
11020 | case OMPD_target_parallel_for_simd: | |||
11021 | case OMPD_requires: | |||
11022 | case OMPD_unknown: | |||
11023 | default: | |||
11024 | llvm_unreachable("Unexpected standalone target data directive.")::llvm::llvm_unreachable_internal("Unexpected standalone target data directive." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11024); | |||
11025 | break; | |||
11026 | } | |||
11027 | CGF.EmitRuntimeCall( | |||
11028 | OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), RTLFn), | |||
11029 | OffloadingArgs); | |||
11030 | }; | |||
11031 | ||||
11032 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | |||
11033 | &MapNamesArray](CodeGenFunction &CGF, | |||
11034 | PrePostActionTy &) { | |||
11035 | // Fill up the arrays with all the mapped variables. | |||
11036 | MappableExprsHandler::MapCombinedInfoTy CombinedInfo; | |||
11037 | ||||
11038 | // Get map clause information. | |||
11039 | MappableExprsHandler MEHandler(D, CGF); | |||
11040 | MEHandler.generateAllInfo(CombinedInfo); | |||
11041 | ||||
11042 | TargetDataInfo Info; | |||
11043 | // Fill up the arrays and create the arguments. | |||
11044 | emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder, | |||
11045 | /*IsNonContiguous=*/true); | |||
11046 | bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>() || | |||
11047 | D.hasClausesOfKind<OMPNowaitClause>(); | |||
11048 | emitOffloadingArraysArgument( | |||
11049 | CGF, Info.BasePointersArray, Info.PointersArray, Info.SizesArray, | |||
11050 | Info.MapTypesArray, Info.MapNamesArray, Info.MappersArray, Info, | |||
11051 | {/*ForEndTask=*/false}); | |||
11052 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | |||
11053 | InputInfo.BasePointersArray = | |||
11054 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | |||
11055 | InputInfo.PointersArray = | |||
11056 | Address(Info.PointersArray, CGM.getPointerAlign()); | |||
11057 | InputInfo.SizesArray = | |||
11058 | Address(Info.SizesArray, CGM.getPointerAlign()); | |||
11059 | InputInfo.MappersArray = Address(Info.MappersArray, CGM.getPointerAlign()); | |||
11060 | MapTypesArray = Info.MapTypesArray; | |||
11061 | MapNamesArray = Info.MapNamesArray; | |||
11062 | if (RequiresOuterTask) | |||
11063 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | |||
11064 | else | |||
11065 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | |||
11066 | }; | |||
11067 | ||||
11068 | if (IfCond) { | |||
11069 | emitIfClause(CGF, IfCond, TargetThenGen, | |||
11070 | [](CodeGenFunction &CGF, PrePostActionTy &) {}); | |||
11071 | } else { | |||
11072 | RegionCodeGenTy ThenRCG(TargetThenGen); | |||
11073 | ThenRCG(CGF); | |||
11074 | } | |||
11075 | } | |||
11076 | ||||
11077 | namespace { | |||
11078 | /// Kind of parameter in a function with 'declare simd' directive. | |||
11079 | enum ParamKindTy { LinearWithVarStride, Linear, Uniform, Vector }; | |||
11080 | /// Attribute set of the parameter. | |||
11081 | struct ParamAttrTy { | |||
11082 | ParamKindTy Kind = Vector; | |||
11083 | llvm::APSInt StrideOrArg; | |||
11084 | llvm::APSInt Alignment; | |||
11085 | }; | |||
11086 | } // namespace | |||
11087 | ||||
11088 | static unsigned evaluateCDTSize(const FunctionDecl *FD, | |||
11089 | ArrayRef<ParamAttrTy> ParamAttrs) { | |||
11090 | // Every vector variant of a SIMD-enabled function has a vector length (VLEN). | |||
11091 | // If OpenMP clause "simdlen" is used, the VLEN is the value of the argument | |||
11092 | // of that clause. The VLEN value must be power of 2. | |||
11093 | // In other case the notion of the function`s "characteristic data type" (CDT) | |||
11094 | // is used to compute the vector length. | |||
11095 | // CDT is defined in the following order: | |||
11096 | // a) For non-void function, the CDT is the return type. | |||
11097 | // b) If the function has any non-uniform, non-linear parameters, then the | |||
11098 | // CDT is the type of the first such parameter. | |||
11099 | // c) If the CDT determined by a) or b) above is struct, union, or class | |||
11100 | // type which is pass-by-value (except for the type that maps to the | |||
11101 | // built-in complex data type), the characteristic data type is int. | |||
11102 | // d) If none of the above three cases is applicable, the CDT is int. | |||
11103 | // The VLEN is then determined based on the CDT and the size of vector | |||
11104 | // register of that ISA for which current vector version is generated. The | |||
11105 | // VLEN is computed using the formula below: | |||
11106 | // VLEN = sizeof(vector_register) / sizeof(CDT), | |||
11107 | // where vector register size specified in section 3.2.1 Registers and the | |||
11108 | // Stack Frame of original AMD64 ABI document. | |||
11109 | QualType RetType = FD->getReturnType(); | |||
11110 | if (RetType.isNull()) | |||
11111 | return 0; | |||
11112 | ASTContext &C = FD->getASTContext(); | |||
11113 | QualType CDT; | |||
11114 | if (!RetType.isNull() && !RetType->isVoidType()) { | |||
11115 | CDT = RetType; | |||
11116 | } else { | |||
11117 | unsigned Offset = 0; | |||
11118 | if (const auto *MD = dyn_cast<CXXMethodDecl>(FD)) { | |||
11119 | if (ParamAttrs[Offset].Kind == Vector) | |||
11120 | CDT = C.getPointerType(C.getRecordType(MD->getParent())); | |||
11121 | ++Offset; | |||
11122 | } | |||
11123 | if (CDT.isNull()) { | |||
11124 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | |||
11125 | if (ParamAttrs[I + Offset].Kind == Vector) { | |||
11126 | CDT = FD->getParamDecl(I)->getType(); | |||
11127 | break; | |||
11128 | } | |||
11129 | } | |||
11130 | } | |||
11131 | } | |||
11132 | if (CDT.isNull()) | |||
11133 | CDT = C.IntTy; | |||
11134 | CDT = CDT->getCanonicalTypeUnqualified(); | |||
11135 | if (CDT->isRecordType() || CDT->isUnionType()) | |||
11136 | CDT = C.IntTy; | |||
11137 | return C.getTypeSize(CDT); | |||
11138 | } | |||
11139 | ||||
11140 | static void | |||
11141 | emitX86DeclareSimdFunction(const FunctionDecl *FD, llvm::Function *Fn, | |||
11142 | const llvm::APSInt &VLENVal, | |||
11143 | ArrayRef<ParamAttrTy> ParamAttrs, | |||
11144 | OMPDeclareSimdDeclAttr::BranchStateTy State) { | |||
11145 | struct ISADataTy { | |||
11146 | char ISA; | |||
11147 | unsigned VecRegSize; | |||
11148 | }; | |||
11149 | ISADataTy ISAData[] = { | |||
11150 | { | |||
11151 | 'b', 128 | |||
11152 | }, // SSE | |||
11153 | { | |||
11154 | 'c', 256 | |||
11155 | }, // AVX | |||
11156 | { | |||
11157 | 'd', 256 | |||
11158 | }, // AVX2 | |||
11159 | { | |||
11160 | 'e', 512 | |||
11161 | }, // AVX512 | |||
11162 | }; | |||
11163 | llvm::SmallVector<char, 2> Masked; | |||
11164 | switch (State) { | |||
11165 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
11166 | Masked.push_back('N'); | |||
11167 | Masked.push_back('M'); | |||
11168 | break; | |||
11169 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
11170 | Masked.push_back('N'); | |||
11171 | break; | |||
11172 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
11173 | Masked.push_back('M'); | |||
11174 | break; | |||
11175 | } | |||
11176 | for (char Mask : Masked) { | |||
11177 | for (const ISADataTy &Data : ISAData) { | |||
11178 | SmallString<256> Buffer; | |||
11179 | llvm::raw_svector_ostream Out(Buffer); | |||
11180 | Out << "_ZGV" << Data.ISA << Mask; | |||
11181 | if (!VLENVal) { | |||
11182 | unsigned NumElts = evaluateCDTSize(FD, ParamAttrs); | |||
11183 | assert(NumElts && "Non-zero simdlen/cdtsize expected")((NumElts && "Non-zero simdlen/cdtsize expected") ? static_cast <void> (0) : __assert_fail ("NumElts && \"Non-zero simdlen/cdtsize expected\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11183, __PRETTY_FUNCTION__)); | |||
11184 | Out << llvm::APSInt::getUnsigned(Data.VecRegSize / NumElts); | |||
11185 | } else { | |||
11186 | Out << VLENVal; | |||
11187 | } | |||
11188 | for (const ParamAttrTy &ParamAttr : ParamAttrs) { | |||
11189 | switch (ParamAttr.Kind){ | |||
11190 | case LinearWithVarStride: | |||
11191 | Out << 's' << ParamAttr.StrideOrArg; | |||
11192 | break; | |||
11193 | case Linear: | |||
11194 | Out << 'l'; | |||
11195 | if (ParamAttr.StrideOrArg != 1) | |||
11196 | Out << ParamAttr.StrideOrArg; | |||
11197 | break; | |||
11198 | case Uniform: | |||
11199 | Out << 'u'; | |||
11200 | break; | |||
11201 | case Vector: | |||
11202 | Out << 'v'; | |||
11203 | break; | |||
11204 | } | |||
11205 | if (!!ParamAttr.Alignment) | |||
11206 | Out << 'a' << ParamAttr.Alignment; | |||
11207 | } | |||
11208 | Out << '_' << Fn->getName(); | |||
11209 | Fn->addFnAttr(Out.str()); | |||
11210 | } | |||
11211 | } | |||
11212 | } | |||
11213 | ||||
11214 | // This are the Functions that are needed to mangle the name of the | |||
11215 | // vector functions generated by the compiler, according to the rules | |||
11216 | // defined in the "Vector Function ABI specifications for AArch64", | |||
11217 | // available at | |||
11218 | // https://developer.arm.com/products/software-development-tools/hpc/arm-compiler-for-hpc/vector-function-abi. | |||
11219 | ||||
11220 | /// Maps To Vector (MTV), as defined in 3.1.1 of the AAVFABI. | |||
11221 | /// | |||
11222 | /// TODO: Need to implement the behavior for reference marked with a | |||
11223 | /// var or no linear modifiers (1.b in the section). For this, we | |||
11224 | /// need to extend ParamKindTy to support the linear modifiers. | |||
11225 | static bool getAArch64MTV(QualType QT, ParamKindTy Kind) { | |||
11226 | QT = QT.getCanonicalType(); | |||
11227 | ||||
11228 | if (QT->isVoidType()) | |||
11229 | return false; | |||
11230 | ||||
11231 | if (Kind == ParamKindTy::Uniform) | |||
11232 | return false; | |||
11233 | ||||
11234 | if (Kind == ParamKindTy::Linear) | |||
11235 | return false; | |||
11236 | ||||
11237 | // TODO: Handle linear references with modifiers | |||
11238 | ||||
11239 | if (Kind == ParamKindTy::LinearWithVarStride) | |||
11240 | return false; | |||
11241 | ||||
11242 | return true; | |||
11243 | } | |||
11244 | ||||
11245 | /// Pass By Value (PBV), as defined in 3.1.2 of the AAVFABI. | |||
11246 | static bool getAArch64PBV(QualType QT, ASTContext &C) { | |||
11247 | QT = QT.getCanonicalType(); | |||
11248 | unsigned Size = C.getTypeSize(QT); | |||
11249 | ||||
11250 | // Only scalars and complex within 16 bytes wide set PVB to true. | |||
11251 | if (Size != 8 && Size != 16 && Size != 32 && Size != 64 && Size != 128) | |||
11252 | return false; | |||
11253 | ||||
11254 | if (QT->isFloatingType()) | |||
11255 | return true; | |||
11256 | ||||
11257 | if (QT->isIntegerType()) | |||
11258 | return true; | |||
11259 | ||||
11260 | if (QT->isPointerType()) | |||
11261 | return true; | |||
11262 | ||||
11263 | // TODO: Add support for complex types (section 3.1.2, item 2). | |||
11264 | ||||
11265 | return false; | |||
11266 | } | |||
11267 | ||||
11268 | /// Computes the lane size (LS) of a return type or of an input parameter, | |||
11269 | /// as defined by `LS(P)` in 3.2.1 of the AAVFABI. | |||
11270 | /// TODO: Add support for references, section 3.2.1, item 1. | |||
11271 | static unsigned getAArch64LS(QualType QT, ParamKindTy Kind, ASTContext &C) { | |||
11272 | if (!getAArch64MTV(QT, Kind) && QT.getCanonicalType()->isPointerType()) { | |||
11273 | QualType PTy = QT.getCanonicalType()->getPointeeType(); | |||
11274 | if (getAArch64PBV(PTy, C)) | |||
11275 | return C.getTypeSize(PTy); | |||
11276 | } | |||
11277 | if (getAArch64PBV(QT, C)) | |||
11278 | return C.getTypeSize(QT); | |||
11279 | ||||
11280 | return C.getTypeSize(C.getUIntPtrType()); | |||
11281 | } | |||
11282 | ||||
11283 | // Get Narrowest Data Size (NDS) and Widest Data Size (WDS) from the | |||
11284 | // signature of the scalar function, as defined in 3.2.2 of the | |||
11285 | // AAVFABI. | |||
11286 | static std::tuple<unsigned, unsigned, bool> | |||
11287 | getNDSWDS(const FunctionDecl *FD, ArrayRef<ParamAttrTy> ParamAttrs) { | |||
11288 | QualType RetType = FD->getReturnType().getCanonicalType(); | |||
11289 | ||||
11290 | ASTContext &C = FD->getASTContext(); | |||
11291 | ||||
11292 | bool OutputBecomesInput = false; | |||
11293 | ||||
11294 | llvm::SmallVector<unsigned, 8> Sizes; | |||
11295 | if (!RetType->isVoidType()) { | |||
11296 | Sizes.push_back(getAArch64LS(RetType, ParamKindTy::Vector, C)); | |||
11297 | if (!getAArch64PBV(RetType, C) && getAArch64MTV(RetType, {})) | |||
11298 | OutputBecomesInput = true; | |||
11299 | } | |||
11300 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | |||
11301 | QualType QT = FD->getParamDecl(I)->getType().getCanonicalType(); | |||
11302 | Sizes.push_back(getAArch64LS(QT, ParamAttrs[I].Kind, C)); | |||
11303 | } | |||
11304 | ||||
11305 | assert(!Sizes.empty() && "Unable to determine NDS and WDS.")((!Sizes.empty() && "Unable to determine NDS and WDS." ) ? static_cast<void> (0) : __assert_fail ("!Sizes.empty() && \"Unable to determine NDS and WDS.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11305, __PRETTY_FUNCTION__)); | |||
11306 | // The LS of a function parameter / return value can only be a power | |||
11307 | // of 2, starting from 8 bits, up to 128. | |||
11308 | assert(std::all_of(Sizes.begin(), Sizes.end(),((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)) | |||
11309 | [](unsigned Size) {((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)) | |||
11310 | return Size == 8 || Size == 16 || Size == 32 ||((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)) | |||
11311 | Size == 64 || Size == 128;((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)) | |||
11312 | }) &&((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)) | |||
11313 | "Invalid size")((std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && "Invalid size") ? static_cast< void> (0) : __assert_fail ("std::all_of(Sizes.begin(), Sizes.end(), [](unsigned Size) { return Size == 8 || Size == 16 || Size == 32 || Size == 64 || Size == 128; }) && \"Invalid size\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11313, __PRETTY_FUNCTION__)); | |||
11314 | ||||
11315 | return std::make_tuple(*std::min_element(std::begin(Sizes), std::end(Sizes)), | |||
11316 | *std::max_element(std::begin(Sizes), std::end(Sizes)), | |||
11317 | OutputBecomesInput); | |||
11318 | } | |||
11319 | ||||
11320 | /// Mangle the parameter part of the vector function name according to | |||
11321 | /// their OpenMP classification. The mangling function is defined in | |||
11322 | /// section 3.5 of the AAVFABI. | |||
11323 | static std::string mangleVectorParameters(ArrayRef<ParamAttrTy> ParamAttrs) { | |||
11324 | SmallString<256> Buffer; | |||
11325 | llvm::raw_svector_ostream Out(Buffer); | |||
11326 | for (const auto &ParamAttr : ParamAttrs) { | |||
11327 | switch (ParamAttr.Kind) { | |||
11328 | case LinearWithVarStride: | |||
11329 | Out << "ls" << ParamAttr.StrideOrArg; | |||
11330 | break; | |||
11331 | case Linear: | |||
11332 | Out << 'l'; | |||
11333 | // Don't print the step value if it is not present or if it is | |||
11334 | // equal to 1. | |||
11335 | if (ParamAttr.StrideOrArg != 1) | |||
11336 | Out << ParamAttr.StrideOrArg; | |||
11337 | break; | |||
11338 | case Uniform: | |||
11339 | Out << 'u'; | |||
11340 | break; | |||
11341 | case Vector: | |||
11342 | Out << 'v'; | |||
11343 | break; | |||
11344 | } | |||
11345 | ||||
11346 | if (!!ParamAttr.Alignment) | |||
11347 | Out << 'a' << ParamAttr.Alignment; | |||
11348 | } | |||
11349 | ||||
11350 | return std::string(Out.str()); | |||
11351 | } | |||
11352 | ||||
11353 | // Function used to add the attribute. The parameter `VLEN` is | |||
11354 | // templated to allow the use of "x" when targeting scalable functions | |||
11355 | // for SVE. | |||
11356 | template <typename T> | |||
11357 | static void addAArch64VectorName(T VLEN, StringRef LMask, StringRef Prefix, | |||
11358 | char ISA, StringRef ParSeq, | |||
11359 | StringRef MangledName, bool OutputBecomesInput, | |||
11360 | llvm::Function *Fn) { | |||
11361 | SmallString<256> Buffer; | |||
11362 | llvm::raw_svector_ostream Out(Buffer); | |||
11363 | Out << Prefix << ISA << LMask << VLEN; | |||
11364 | if (OutputBecomesInput) | |||
11365 | Out << "v"; | |||
11366 | Out << ParSeq << "_" << MangledName; | |||
11367 | Fn->addFnAttr(Out.str()); | |||
11368 | } | |||
11369 | ||||
11370 | // Helper function to generate the Advanced SIMD names depending on | |||
11371 | // the value of the NDS when simdlen is not present. | |||
11372 | static void addAArch64AdvSIMDNDSNames(unsigned NDS, StringRef Mask, | |||
11373 | StringRef Prefix, char ISA, | |||
11374 | StringRef ParSeq, StringRef MangledName, | |||
11375 | bool OutputBecomesInput, | |||
11376 | llvm::Function *Fn) { | |||
11377 | switch (NDS) { | |||
11378 | case 8: | |||
11379 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11380 | OutputBecomesInput, Fn); | |||
11381 | addAArch64VectorName(16, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11382 | OutputBecomesInput, Fn); | |||
11383 | break; | |||
11384 | case 16: | |||
11385 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11386 | OutputBecomesInput, Fn); | |||
11387 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11388 | OutputBecomesInput, Fn); | |||
11389 | break; | |||
11390 | case 32: | |||
11391 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11392 | OutputBecomesInput, Fn); | |||
11393 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11394 | OutputBecomesInput, Fn); | |||
11395 | break; | |||
11396 | case 64: | |||
11397 | case 128: | |||
11398 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | |||
11399 | OutputBecomesInput, Fn); | |||
11400 | break; | |||
11401 | default: | |||
11402 | llvm_unreachable("Scalar type is too wide.")::llvm::llvm_unreachable_internal("Scalar type is too wide.", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11402); | |||
11403 | } | |||
11404 | } | |||
11405 | ||||
11406 | /// Emit vector function attributes for AArch64, as defined in the AAVFABI. | |||
11407 | static void emitAArch64DeclareSimdFunction( | |||
11408 | CodeGenModule &CGM, const FunctionDecl *FD, unsigned UserVLEN, | |||
11409 | ArrayRef<ParamAttrTy> ParamAttrs, | |||
11410 | OMPDeclareSimdDeclAttr::BranchStateTy State, StringRef MangledName, | |||
11411 | char ISA, unsigned VecRegSize, llvm::Function *Fn, SourceLocation SLoc) { | |||
11412 | ||||
11413 | // Get basic data for building the vector signature. | |||
11414 | const auto Data = getNDSWDS(FD, ParamAttrs); | |||
11415 | const unsigned NDS = std::get<0>(Data); | |||
11416 | const unsigned WDS = std::get<1>(Data); | |||
11417 | const bool OutputBecomesInput = std::get<2>(Data); | |||
11418 | ||||
11419 | // Check the values provided via `simdlen` by the user. | |||
11420 | // 1. A `simdlen(1)` doesn't produce vector signatures, | |||
11421 | if (UserVLEN == 1) { | |||
11422 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
11423 | DiagnosticsEngine::Warning, | |||
11424 | "The clause simdlen(1) has no effect when targeting aarch64."); | |||
11425 | CGM.getDiags().Report(SLoc, DiagID); | |||
11426 | return; | |||
11427 | } | |||
11428 | ||||
11429 | // 2. Section 3.3.1, item 1: user input must be a power of 2 for | |||
11430 | // Advanced SIMD output. | |||
11431 | if (ISA == 'n' && UserVLEN && !llvm::isPowerOf2_32(UserVLEN)) { | |||
11432 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
11433 | DiagnosticsEngine::Warning, "The value specified in simdlen must be a " | |||
11434 | "power of 2 when targeting Advanced SIMD."); | |||
11435 | CGM.getDiags().Report(SLoc, DiagID); | |||
11436 | return; | |||
11437 | } | |||
11438 | ||||
11439 | // 3. Section 3.4.1. SVE fixed lengh must obey the architectural | |||
11440 | // limits. | |||
11441 | if (ISA == 's' && UserVLEN != 0) { | |||
11442 | if ((UserVLEN * WDS > 2048) || (UserVLEN * WDS % 128 != 0)) { | |||
11443 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
11444 | DiagnosticsEngine::Warning, "The clause simdlen must fit the %0-bit " | |||
11445 | "lanes in the architectural constraints " | |||
11446 | "for SVE (min is 128-bit, max is " | |||
11447 | "2048-bit, by steps of 128-bit)"); | |||
11448 | CGM.getDiags().Report(SLoc, DiagID) << WDS; | |||
11449 | return; | |||
11450 | } | |||
11451 | } | |||
11452 | ||||
11453 | // Sort out parameter sequence. | |||
11454 | const std::string ParSeq = mangleVectorParameters(ParamAttrs); | |||
11455 | StringRef Prefix = "_ZGV"; | |||
11456 | // Generate simdlen from user input (if any). | |||
11457 | if (UserVLEN) { | |||
11458 | if (ISA == 's') { | |||
11459 | // SVE generates only a masked function. | |||
11460 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
11461 | OutputBecomesInput, Fn); | |||
11462 | } else { | |||
11463 | assert(ISA == 'n' && "Expected ISA either 's' or 'n'.")((ISA == 'n' && "Expected ISA either 's' or 'n'.") ? static_cast <void> (0) : __assert_fail ("ISA == 'n' && \"Expected ISA either 's' or 'n'.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11463, __PRETTY_FUNCTION__)); | |||
11464 | // Advanced SIMD generates one or two functions, depending on | |||
11465 | // the `[not]inbranch` clause. | |||
11466 | switch (State) { | |||
11467 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
11468 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | |||
11469 | OutputBecomesInput, Fn); | |||
11470 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
11471 | OutputBecomesInput, Fn); | |||
11472 | break; | |||
11473 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
11474 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | |||
11475 | OutputBecomesInput, Fn); | |||
11476 | break; | |||
11477 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
11478 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
11479 | OutputBecomesInput, Fn); | |||
11480 | break; | |||
11481 | } | |||
11482 | } | |||
11483 | } else { | |||
11484 | // If no user simdlen is provided, follow the AAVFABI rules for | |||
11485 | // generating the vector length. | |||
11486 | if (ISA == 's') { | |||
11487 | // SVE, section 3.4.1, item 1. | |||
11488 | addAArch64VectorName("x", "M", Prefix, ISA, ParSeq, MangledName, | |||
11489 | OutputBecomesInput, Fn); | |||
11490 | } else { | |||
11491 | assert(ISA == 'n' && "Expected ISA either 's' or 'n'.")((ISA == 'n' && "Expected ISA either 's' or 'n'.") ? static_cast <void> (0) : __assert_fail ("ISA == 'n' && \"Expected ISA either 's' or 'n'.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11491, __PRETTY_FUNCTION__)); | |||
11492 | // Advanced SIMD, Section 3.3.1 of the AAVFABI, generates one or | |||
11493 | // two vector names depending on the use of the clause | |||
11494 | // `[not]inbranch`. | |||
11495 | switch (State) { | |||
11496 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
11497 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | |||
11498 | OutputBecomesInput, Fn); | |||
11499 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | |||
11500 | OutputBecomesInput, Fn); | |||
11501 | break; | |||
11502 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
11503 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | |||
11504 | OutputBecomesInput, Fn); | |||
11505 | break; | |||
11506 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
11507 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | |||
11508 | OutputBecomesInput, Fn); | |||
11509 | break; | |||
11510 | } | |||
11511 | } | |||
11512 | } | |||
11513 | } | |||
11514 | ||||
11515 | void CGOpenMPRuntime::emitDeclareSimdFunction(const FunctionDecl *FD, | |||
11516 | llvm::Function *Fn) { | |||
11517 | ASTContext &C = CGM.getContext(); | |||
11518 | FD = FD->getMostRecentDecl(); | |||
11519 | // Map params to their positions in function decl. | |||
11520 | llvm::DenseMap<const Decl *, unsigned> ParamPositions; | |||
11521 | if (isa<CXXMethodDecl>(FD)) | |||
11522 | ParamPositions.try_emplace(FD, 0); | |||
11523 | unsigned ParamPos = ParamPositions.size(); | |||
11524 | for (const ParmVarDecl *P : FD->parameters()) { | |||
11525 | ParamPositions.try_emplace(P->getCanonicalDecl(), ParamPos); | |||
11526 | ++ParamPos; | |||
11527 | } | |||
11528 | while (FD) { | |||
11529 | for (const auto *Attr : FD->specific_attrs<OMPDeclareSimdDeclAttr>()) { | |||
11530 | llvm::SmallVector<ParamAttrTy, 8> ParamAttrs(ParamPositions.size()); | |||
11531 | // Mark uniform parameters. | |||
11532 | for (const Expr *E : Attr->uniforms()) { | |||
11533 | E = E->IgnoreParenImpCasts(); | |||
11534 | unsigned Pos; | |||
11535 | if (isa<CXXThisExpr>(E)) { | |||
11536 | Pos = ParamPositions[FD]; | |||
11537 | } else { | |||
11538 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
11539 | ->getCanonicalDecl(); | |||
11540 | Pos = ParamPositions[PVD]; | |||
11541 | } | |||
11542 | ParamAttrs[Pos].Kind = Uniform; | |||
11543 | } | |||
11544 | // Get alignment info. | |||
11545 | auto NI = Attr->alignments_begin(); | |||
11546 | for (const Expr *E : Attr->aligneds()) { | |||
11547 | E = E->IgnoreParenImpCasts(); | |||
11548 | unsigned Pos; | |||
11549 | QualType ParmTy; | |||
11550 | if (isa<CXXThisExpr>(E)) { | |||
11551 | Pos = ParamPositions[FD]; | |||
11552 | ParmTy = E->getType(); | |||
11553 | } else { | |||
11554 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
11555 | ->getCanonicalDecl(); | |||
11556 | Pos = ParamPositions[PVD]; | |||
11557 | ParmTy = PVD->getType(); | |||
11558 | } | |||
11559 | ParamAttrs[Pos].Alignment = | |||
11560 | (*NI) | |||
11561 | ? (*NI)->EvaluateKnownConstInt(C) | |||
11562 | : llvm::APSInt::getUnsigned( | |||
11563 | C.toCharUnitsFromBits(C.getOpenMPDefaultSimdAlign(ParmTy)) | |||
11564 | .getQuantity()); | |||
11565 | ++NI; | |||
11566 | } | |||
11567 | // Mark linear parameters. | |||
11568 | auto SI = Attr->steps_begin(); | |||
11569 | auto MI = Attr->modifiers_begin(); | |||
11570 | for (const Expr *E : Attr->linears()) { | |||
11571 | E = E->IgnoreParenImpCasts(); | |||
11572 | unsigned Pos; | |||
11573 | // Rescaling factor needed to compute the linear parameter | |||
11574 | // value in the mangled name. | |||
11575 | unsigned PtrRescalingFactor = 1; | |||
11576 | if (isa<CXXThisExpr>(E)) { | |||
11577 | Pos = ParamPositions[FD]; | |||
11578 | } else { | |||
11579 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
11580 | ->getCanonicalDecl(); | |||
11581 | Pos = ParamPositions[PVD]; | |||
11582 | if (auto *P = dyn_cast<PointerType>(PVD->getType())) | |||
11583 | PtrRescalingFactor = CGM.getContext() | |||
11584 | .getTypeSizeInChars(P->getPointeeType()) | |||
11585 | .getQuantity(); | |||
11586 | } | |||
11587 | ParamAttrTy &ParamAttr = ParamAttrs[Pos]; | |||
11588 | ParamAttr.Kind = Linear; | |||
11589 | // Assuming a stride of 1, for `linear` without modifiers. | |||
11590 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned(1); | |||
11591 | if (*SI) { | |||
11592 | Expr::EvalResult Result; | |||
11593 | if (!(*SI)->EvaluateAsInt(Result, C, Expr::SE_AllowSideEffects)) { | |||
11594 | if (const auto *DRE = | |||
11595 | cast<DeclRefExpr>((*SI)->IgnoreParenImpCasts())) { | |||
11596 | if (const auto *StridePVD = cast<ParmVarDecl>(DRE->getDecl())) { | |||
11597 | ParamAttr.Kind = LinearWithVarStride; | |||
11598 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned( | |||
11599 | ParamPositions[StridePVD->getCanonicalDecl()]); | |||
11600 | } | |||
11601 | } | |||
11602 | } else { | |||
11603 | ParamAttr.StrideOrArg = Result.Val.getInt(); | |||
11604 | } | |||
11605 | } | |||
11606 | // If we are using a linear clause on a pointer, we need to | |||
11607 | // rescale the value of linear_step with the byte size of the | |||
11608 | // pointee type. | |||
11609 | if (Linear == ParamAttr.Kind) | |||
11610 | ParamAttr.StrideOrArg = ParamAttr.StrideOrArg * PtrRescalingFactor; | |||
11611 | ++SI; | |||
11612 | ++MI; | |||
11613 | } | |||
11614 | llvm::APSInt VLENVal; | |||
11615 | SourceLocation ExprLoc; | |||
11616 | const Expr *VLENExpr = Attr->getSimdlen(); | |||
11617 | if (VLENExpr) { | |||
11618 | VLENVal = VLENExpr->EvaluateKnownConstInt(C); | |||
11619 | ExprLoc = VLENExpr->getExprLoc(); | |||
11620 | } | |||
11621 | OMPDeclareSimdDeclAttr::BranchStateTy State = Attr->getBranchState(); | |||
11622 | if (CGM.getTriple().isX86()) { | |||
11623 | emitX86DeclareSimdFunction(FD, Fn, VLENVal, ParamAttrs, State); | |||
11624 | } else if (CGM.getTriple().getArch() == llvm::Triple::aarch64) { | |||
11625 | unsigned VLEN = VLENVal.getExtValue(); | |||
11626 | StringRef MangledName = Fn->getName(); | |||
11627 | if (CGM.getTarget().hasFeature("sve")) | |||
11628 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | |||
11629 | MangledName, 's', 128, Fn, ExprLoc); | |||
11630 | if (CGM.getTarget().hasFeature("neon")) | |||
11631 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | |||
11632 | MangledName, 'n', 128, Fn, ExprLoc); | |||
11633 | } | |||
11634 | } | |||
11635 | FD = FD->getPreviousDecl(); | |||
11636 | } | |||
11637 | } | |||
11638 | ||||
11639 | namespace { | |||
11640 | /// Cleanup action for doacross support. | |||
11641 | class DoacrossCleanupTy final : public EHScopeStack::Cleanup { | |||
11642 | public: | |||
11643 | static const int DoacrossFinArgs = 2; | |||
11644 | ||||
11645 | private: | |||
11646 | llvm::FunctionCallee RTLFn; | |||
11647 | llvm::Value *Args[DoacrossFinArgs]; | |||
11648 | ||||
11649 | public: | |||
11650 | DoacrossCleanupTy(llvm::FunctionCallee RTLFn, | |||
11651 | ArrayRef<llvm::Value *> CallArgs) | |||
11652 | : RTLFn(RTLFn) { | |||
11653 | assert(CallArgs.size() == DoacrossFinArgs)((CallArgs.size() == DoacrossFinArgs) ? static_cast<void> (0) : __assert_fail ("CallArgs.size() == DoacrossFinArgs", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11653, __PRETTY_FUNCTION__)); | |||
11654 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | |||
11655 | } | |||
11656 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
11657 | if (!CGF.HaveInsertPoint()) | |||
11658 | return; | |||
11659 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11660 | } | |||
11661 | }; | |||
11662 | } // namespace | |||
11663 | ||||
11664 | void CGOpenMPRuntime::emitDoacrossInit(CodeGenFunction &CGF, | |||
11665 | const OMPLoopDirective &D, | |||
11666 | ArrayRef<Expr *> NumIterations) { | |||
11667 | if (!CGF.HaveInsertPoint()) | |||
11668 | return; | |||
11669 | ||||
11670 | ASTContext &C = CGM.getContext(); | |||
11671 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | |||
11672 | RecordDecl *RD; | |||
11673 | if (KmpDimTy.isNull()) { | |||
11674 | // Build struct kmp_dim { // loop bounds info casted to kmp_int64 | |||
11675 | // kmp_int64 lo; // lower | |||
11676 | // kmp_int64 up; // upper | |||
11677 | // kmp_int64 st; // stride | |||
11678 | // }; | |||
11679 | RD = C.buildImplicitRecord("kmp_dim"); | |||
11680 | RD->startDefinition(); | |||
11681 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11682 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11683 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11684 | RD->completeDefinition(); | |||
11685 | KmpDimTy = C.getRecordType(RD); | |||
11686 | } else { | |||
11687 | RD = cast<RecordDecl>(KmpDimTy->getAsTagDecl()); | |||
11688 | } | |||
11689 | llvm::APInt Size(/*numBits=*/32, NumIterations.size()); | |||
11690 | QualType ArrayTy = | |||
11691 | C.getConstantArrayType(KmpDimTy, Size, nullptr, ArrayType::Normal, 0); | |||
11692 | ||||
11693 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | |||
11694 | CGF.EmitNullInitialization(DimsAddr, ArrayTy); | |||
11695 | enum { LowerFD = 0, UpperFD, StrideFD }; | |||
11696 | // Fill dims with data. | |||
11697 | for (unsigned I = 0, E = NumIterations.size(); I < E; ++I) { | |||
11698 | LValue DimsLVal = CGF.MakeAddrLValue( | |||
11699 | CGF.Builder.CreateConstArrayGEP(DimsAddr, I), KmpDimTy); | |||
11700 | // dims.upper = num_iterations; | |||
11701 | LValue UpperLVal = CGF.EmitLValueForField( | |||
11702 | DimsLVal, *std::next(RD->field_begin(), UpperFD)); | |||
11703 | llvm::Value *NumIterVal = CGF.EmitScalarConversion( | |||
11704 | CGF.EmitScalarExpr(NumIterations[I]), NumIterations[I]->getType(), | |||
11705 | Int64Ty, NumIterations[I]->getExprLoc()); | |||
11706 | CGF.EmitStoreOfScalar(NumIterVal, UpperLVal); | |||
11707 | // dims.stride = 1; | |||
11708 | LValue StrideLVal = CGF.EmitLValueForField( | |||
11709 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | |||
11710 | CGF.EmitStoreOfScalar(llvm::ConstantInt::getSigned(CGM.Int64Ty, /*V=*/1), | |||
11711 | StrideLVal); | |||
11712 | } | |||
11713 | ||||
11714 | // Build call void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, | |||
11715 | // kmp_int32 num_dims, struct kmp_dim * dims); | |||
11716 | llvm::Value *Args[] = { | |||
11717 | emitUpdateLocation(CGF, D.getBeginLoc()), | |||
11718 | getThreadID(CGF, D.getBeginLoc()), | |||
11719 | llvm::ConstantInt::getSigned(CGM.Int32Ty, NumIterations.size()), | |||
11720 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11721 | CGF.Builder.CreateConstArrayGEP(DimsAddr, 0).getPointer(), | |||
11722 | CGM.VoidPtrTy)}; | |||
11723 | ||||
11724 | llvm::FunctionCallee RTLFn = OMPBuilder.getOrCreateRuntimeFunction( | |||
11725 | CGM.getModule(), OMPRTL___kmpc_doacross_init); | |||
11726 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11727 | llvm::Value *FiniArgs[DoacrossCleanupTy::DoacrossFinArgs] = { | |||
11728 | emitUpdateLocation(CGF, D.getEndLoc()), getThreadID(CGF, D.getEndLoc())}; | |||
11729 | llvm::FunctionCallee FiniRTLFn = OMPBuilder.getOrCreateRuntimeFunction( | |||
11730 | CGM.getModule(), OMPRTL___kmpc_doacross_fini); | |||
11731 | CGF.EHStack.pushCleanup<DoacrossCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | |||
11732 | llvm::makeArrayRef(FiniArgs)); | |||
11733 | } | |||
11734 | ||||
11735 | void CGOpenMPRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | |||
11736 | const OMPDependClause *C) { | |||
11737 | QualType Int64Ty = | |||
11738 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
11739 | llvm::APInt Size(/*numBits=*/32, C->getNumLoops()); | |||
11740 | QualType ArrayTy = CGM.getContext().getConstantArrayType( | |||
11741 | Int64Ty, Size, nullptr, ArrayType::Normal, 0); | |||
11742 | Address CntAddr = CGF.CreateMemTemp(ArrayTy, ".cnt.addr"); | |||
11743 | for (unsigned I = 0, E = C->getNumLoops(); I < E; ++I) { | |||
11744 | const Expr *CounterVal = C->getLoopData(I); | |||
11745 | assert(CounterVal)((CounterVal) ? static_cast<void> (0) : __assert_fail ( "CounterVal", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11745, __PRETTY_FUNCTION__)); | |||
11746 | llvm::Value *CntVal = CGF.EmitScalarConversion( | |||
11747 | CGF.EmitScalarExpr(CounterVal), CounterVal->getType(), Int64Ty, | |||
11748 | CounterVal->getExprLoc()); | |||
11749 | CGF.EmitStoreOfScalar(CntVal, CGF.Builder.CreateConstArrayGEP(CntAddr, I), | |||
11750 | /*Volatile=*/false, Int64Ty); | |||
11751 | } | |||
11752 | llvm::Value *Args[] = { | |||
11753 | emitUpdateLocation(CGF, C->getBeginLoc()), | |||
11754 | getThreadID(CGF, C->getBeginLoc()), | |||
11755 | CGF.Builder.CreateConstArrayGEP(CntAddr, 0).getPointer()}; | |||
11756 | llvm::FunctionCallee RTLFn; | |||
11757 | if (C->getDependencyKind() == OMPC_DEPEND_source) { | |||
11758 | RTLFn = OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
11759 | OMPRTL___kmpc_doacross_post); | |||
11760 | } else { | |||
11761 | assert(C->getDependencyKind() == OMPC_DEPEND_sink)((C->getDependencyKind() == OMPC_DEPEND_sink) ? static_cast <void> (0) : __assert_fail ("C->getDependencyKind() == OMPC_DEPEND_sink" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11761, __PRETTY_FUNCTION__)); | |||
11762 | RTLFn = OMPBuilder.getOrCreateRuntimeFunction(CGM.getModule(), | |||
11763 | OMPRTL___kmpc_doacross_wait); | |||
11764 | } | |||
11765 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11766 | } | |||
11767 | ||||
11768 | void CGOpenMPRuntime::emitCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
11769 | llvm::FunctionCallee Callee, | |||
11770 | ArrayRef<llvm::Value *> Args) const { | |||
11771 | assert(Loc.isValid() && "Outlined function call location must be valid.")((Loc.isValid() && "Outlined function call location must be valid." ) ? static_cast<void> (0) : __assert_fail ("Loc.isValid() && \"Outlined function call location must be valid.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11771, __PRETTY_FUNCTION__)); | |||
11772 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
11773 | ||||
11774 | if (auto *Fn = dyn_cast<llvm::Function>(Callee.getCallee())) { | |||
11775 | if (Fn->doesNotThrow()) { | |||
11776 | CGF.EmitNounwindRuntimeCall(Fn, Args); | |||
11777 | return; | |||
11778 | } | |||
11779 | } | |||
11780 | CGF.EmitRuntimeCall(Callee, Args); | |||
11781 | } | |||
11782 | ||||
11783 | void CGOpenMPRuntime::emitOutlinedFunctionCall( | |||
11784 | CodeGenFunction &CGF, SourceLocation Loc, llvm::FunctionCallee OutlinedFn, | |||
11785 | ArrayRef<llvm::Value *> Args) const { | |||
11786 | emitCall(CGF, Loc, OutlinedFn, Args); | |||
11787 | } | |||
11788 | ||||
11789 | void CGOpenMPRuntime::emitFunctionProlog(CodeGenFunction &CGF, const Decl *D) { | |||
11790 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) | |||
11791 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD)) | |||
11792 | HasEmittedDeclareTargetRegion = true; | |||
11793 | } | |||
11794 | ||||
11795 | Address CGOpenMPRuntime::getParameterAddress(CodeGenFunction &CGF, | |||
11796 | const VarDecl *NativeParam, | |||
11797 | const VarDecl *TargetParam) const { | |||
11798 | return CGF.GetAddrOfLocalVar(NativeParam); | |||
11799 | } | |||
11800 | ||||
11801 | Address CGOpenMPRuntime::getAddressOfLocalVariable(CodeGenFunction &CGF, | |||
11802 | const VarDecl *VD) { | |||
11803 | if (!VD) | |||
11804 | return Address::invalid(); | |||
11805 | Address UntiedAddr = Address::invalid(); | |||
11806 | Address UntiedRealAddr = Address::invalid(); | |||
11807 | auto It = FunctionToUntiedTaskStackMap.find(CGF.CurFn); | |||
11808 | if (It != FunctionToUntiedTaskStackMap.end()) { | |||
11809 | const UntiedLocalVarsAddressesMap &UntiedData = | |||
11810 | UntiedLocalVarsStack[It->second]; | |||
11811 | auto I = UntiedData.find(VD); | |||
11812 | if (I != UntiedData.end()) { | |||
11813 | UntiedAddr = I->second.first; | |||
11814 | UntiedRealAddr = I->second.second; | |||
11815 | } | |||
11816 | } | |||
11817 | const VarDecl *CVD = VD->getCanonicalDecl(); | |||
11818 | if (CVD->hasAttr<OMPAllocateDeclAttr>()) { | |||
11819 | // Use the default allocation. | |||
11820 | if (!isAllocatableDecl(VD)) | |||
11821 | return UntiedAddr; | |||
11822 | llvm::Value *Size; | |||
11823 | CharUnits Align = CGM.getContext().getDeclAlign(CVD); | |||
11824 | if (CVD->getType()->isVariablyModifiedType()) { | |||
11825 | Size = CGF.getTypeSize(CVD->getType()); | |||
11826 | // Align the size: ((size + align - 1) / align) * align | |||
11827 | Size = CGF.Builder.CreateNUWAdd( | |||
11828 | Size, CGM.getSize(Align - CharUnits::fromQuantity(1))); | |||
11829 | Size = CGF.Builder.CreateUDiv(Size, CGM.getSize(Align)); | |||
11830 | Size = CGF.Builder.CreateNUWMul(Size, CGM.getSize(Align)); | |||
11831 | } else { | |||
11832 | CharUnits Sz = CGM.getContext().getTypeSizeInChars(CVD->getType()); | |||
11833 | Size = CGM.getSize(Sz.alignTo(Align)); | |||
11834 | } | |||
11835 | llvm::Value *ThreadID = getThreadID(CGF, CVD->getBeginLoc()); | |||
11836 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | |||
11837 | assert(AA->getAllocator() &&((AA->getAllocator() && "Expected allocator expression for non-default allocator." ) ? static_cast<void> (0) : __assert_fail ("AA->getAllocator() && \"Expected allocator expression for non-default allocator.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11838, __PRETTY_FUNCTION__)) | |||
11838 | "Expected allocator expression for non-default allocator.")((AA->getAllocator() && "Expected allocator expression for non-default allocator." ) ? static_cast<void> (0) : __assert_fail ("AA->getAllocator() && \"Expected allocator expression for non-default allocator.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11838, __PRETTY_FUNCTION__)); | |||
11839 | llvm::Value *Allocator = CGF.EmitScalarExpr(AA->getAllocator()); | |||
11840 | // According to the standard, the original allocator type is a enum | |||
11841 | // (integer). Convert to pointer type, if required. | |||
11842 | Allocator = CGF.EmitScalarConversion( | |||
11843 | Allocator, AA->getAllocator()->getType(), CGF.getContext().VoidPtrTy, | |||
11844 | AA->getAllocator()->getExprLoc()); | |||
11845 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | |||
11846 | ||||
11847 | llvm::Value *Addr = | |||
11848 | CGF.EmitRuntimeCall(OMPBuilder.getOrCreateRuntimeFunction( | |||
11849 | CGM.getModule(), OMPRTL___kmpc_alloc), | |||
11850 | Args, getName({CVD->getName(), ".void.addr"})); | |||
11851 | llvm::FunctionCallee FiniRTLFn = OMPBuilder.getOrCreateRuntimeFunction( | |||
11852 | CGM.getModule(), OMPRTL___kmpc_free); | |||
11853 | QualType Ty = CGM.getContext().getPointerType(CVD->getType()); | |||
11854 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11855 | Addr, CGF.ConvertTypeForMem(Ty), getName({CVD->getName(), ".addr"})); | |||
11856 | if (UntiedAddr.isValid()) | |||
11857 | CGF.EmitStoreOfScalar(Addr, UntiedAddr, /*Volatile=*/false, Ty); | |||
11858 | ||||
11859 | // Cleanup action for allocate support. | |||
11860 | class OMPAllocateCleanupTy final : public EHScopeStack::Cleanup { | |||
11861 | llvm::FunctionCallee RTLFn; | |||
11862 | unsigned LocEncoding; | |||
11863 | Address Addr; | |||
11864 | const Expr *Allocator; | |||
11865 | ||||
11866 | public: | |||
11867 | OMPAllocateCleanupTy(llvm::FunctionCallee RTLFn, unsigned LocEncoding, | |||
11868 | Address Addr, const Expr *Allocator) | |||
11869 | : RTLFn(RTLFn), LocEncoding(LocEncoding), Addr(Addr), | |||
11870 | Allocator(Allocator) {} | |||
11871 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
11872 | if (!CGF.HaveInsertPoint()) | |||
11873 | return; | |||
11874 | llvm::Value *Args[3]; | |||
11875 | Args[0] = CGF.CGM.getOpenMPRuntime().getThreadID( | |||
11876 | CGF, SourceLocation::getFromRawEncoding(LocEncoding)); | |||
11877 | Args[1] = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11878 | Addr.getPointer(), CGF.VoidPtrTy); | |||
11879 | llvm::Value *AllocVal = CGF.EmitScalarExpr(Allocator); | |||
11880 | // According to the standard, the original allocator type is a enum | |||
11881 | // (integer). Convert to pointer type, if required. | |||
11882 | AllocVal = CGF.EmitScalarConversion(AllocVal, Allocator->getType(), | |||
11883 | CGF.getContext().VoidPtrTy, | |||
11884 | Allocator->getExprLoc()); | |||
11885 | Args[2] = AllocVal; | |||
11886 | ||||
11887 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11888 | } | |||
11889 | }; | |||
11890 | Address VDAddr = | |||
11891 | UntiedRealAddr.isValid() ? UntiedRealAddr : Address(Addr, Align); | |||
11892 | CGF.EHStack.pushCleanup<OMPAllocateCleanupTy>( | |||
11893 | NormalAndEHCleanup, FiniRTLFn, CVD->getLocation().getRawEncoding(), | |||
11894 | VDAddr, AA->getAllocator()); | |||
11895 | if (UntiedRealAddr.isValid()) | |||
11896 | if (auto *Region = | |||
11897 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
11898 | Region->emitUntiedSwitch(CGF); | |||
11899 | return VDAddr; | |||
11900 | } | |||
11901 | return UntiedAddr; | |||
11902 | } | |||
11903 | ||||
11904 | bool CGOpenMPRuntime::isLocalVarInUntiedTask(CodeGenFunction &CGF, | |||
11905 | const VarDecl *VD) const { | |||
11906 | auto It = FunctionToUntiedTaskStackMap.find(CGF.CurFn); | |||
11907 | if (It == FunctionToUntiedTaskStackMap.end()) | |||
11908 | return false; | |||
11909 | return UntiedLocalVarsStack[It->second].count(VD) > 0; | |||
11910 | } | |||
11911 | ||||
11912 | CGOpenMPRuntime::NontemporalDeclsRAII::NontemporalDeclsRAII( | |||
11913 | CodeGenModule &CGM, const OMPLoopDirective &S) | |||
11914 | : CGM(CGM), NeedToPush(S.hasClausesOfKind<OMPNontemporalClause>()) { | |||
11915 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")((CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? static_cast<void> (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11915, __PRETTY_FUNCTION__)); | |||
11916 | if (!NeedToPush) | |||
11917 | return; | |||
11918 | NontemporalDeclsSet &DS = | |||
11919 | CGM.getOpenMPRuntime().NontemporalDeclsStack.emplace_back(); | |||
11920 | for (const auto *C : S.getClausesOfKind<OMPNontemporalClause>()) { | |||
11921 | for (const Stmt *Ref : C->private_refs()) { | |||
11922 | const auto *SimpleRefExpr = cast<Expr>(Ref)->IgnoreParenImpCasts(); | |||
11923 | const ValueDecl *VD; | |||
11924 | if (const auto *DRE = dyn_cast<DeclRefExpr>(SimpleRefExpr)) { | |||
11925 | VD = DRE->getDecl(); | |||
11926 | } else { | |||
11927 | const auto *ME = cast<MemberExpr>(SimpleRefExpr); | |||
11928 | assert((ME->isImplicitCXXThis() ||(((ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME-> getBase()->IgnoreParenImpCasts())) && "Expected member of current class." ) ? static_cast<void> (0) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11930, __PRETTY_FUNCTION__)) | |||
11929 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) &&(((ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME-> getBase()->IgnoreParenImpCasts())) && "Expected member of current class." ) ? static_cast<void> (0) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11930, __PRETTY_FUNCTION__)) | |||
11930 | "Expected member of current class.")(((ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME-> getBase()->IgnoreParenImpCasts())) && "Expected member of current class." ) ? static_cast<void> (0) : __assert_fail ("(ME->isImplicitCXXThis() || isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) && \"Expected member of current class.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11930, __PRETTY_FUNCTION__)); | |||
11931 | VD = ME->getMemberDecl(); | |||
11932 | } | |||
11933 | DS.insert(VD); | |||
11934 | } | |||
11935 | } | |||
11936 | } | |||
11937 | ||||
11938 | CGOpenMPRuntime::NontemporalDeclsRAII::~NontemporalDeclsRAII() { | |||
11939 | if (!NeedToPush) | |||
11940 | return; | |||
11941 | CGM.getOpenMPRuntime().NontemporalDeclsStack.pop_back(); | |||
11942 | } | |||
11943 | ||||
11944 | CGOpenMPRuntime::UntiedTaskLocalDeclsRAII::UntiedTaskLocalDeclsRAII( | |||
11945 | CodeGenFunction &CGF, | |||
11946 | const llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, | |||
11947 | std::pair<Address, Address>> &LocalVars) | |||
11948 | : CGM(CGF.CGM), NeedToPush(!LocalVars.empty()) { | |||
11949 | if (!NeedToPush) | |||
11950 | return; | |||
11951 | CGM.getOpenMPRuntime().FunctionToUntiedTaskStackMap.try_emplace( | |||
11952 | CGF.CurFn, CGM.getOpenMPRuntime().UntiedLocalVarsStack.size()); | |||
11953 | CGM.getOpenMPRuntime().UntiedLocalVarsStack.push_back(LocalVars); | |||
11954 | } | |||
11955 | ||||
11956 | CGOpenMPRuntime::UntiedTaskLocalDeclsRAII::~UntiedTaskLocalDeclsRAII() { | |||
11957 | if (!NeedToPush) | |||
11958 | return; | |||
11959 | CGM.getOpenMPRuntime().UntiedLocalVarsStack.pop_back(); | |||
11960 | } | |||
11961 | ||||
11962 | bool CGOpenMPRuntime::isNontemporalDecl(const ValueDecl *VD) const { | |||
11963 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")((CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? static_cast<void> (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11963, __PRETTY_FUNCTION__)); | |||
11964 | ||||
11965 | return llvm::any_of( | |||
11966 | CGM.getOpenMPRuntime().NontemporalDeclsStack, | |||
11967 | [VD](const NontemporalDeclsSet &Set) { return Set.count(VD) > 0; }); | |||
11968 | } | |||
11969 | ||||
11970 | void CGOpenMPRuntime::LastprivateConditionalRAII::tryToDisableInnerAnalysis( | |||
11971 | const OMPExecutableDirective &S, | |||
11972 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> &NeedToAddForLPCsAsDisabled) | |||
11973 | const { | |||
11974 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToCheckForLPCs; | |||
11975 | // Vars in target/task regions must be excluded completely. | |||
11976 | if (isOpenMPTargetExecutionDirective(S.getDirectiveKind()) || | |||
11977 | isOpenMPTaskingDirective(S.getDirectiveKind())) { | |||
11978 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
11979 | getOpenMPCaptureRegions(CaptureRegions, S.getDirectiveKind()); | |||
11980 | const CapturedStmt *CS = S.getCapturedStmt(CaptureRegions.front()); | |||
11981 | for (const CapturedStmt::Capture &Cap : CS->captures()) { | |||
11982 | if (Cap.capturesVariable() || Cap.capturesVariableByCopy()) | |||
11983 | NeedToCheckForLPCs.insert(Cap.getCapturedVar()); | |||
11984 | } | |||
11985 | } | |||
11986 | // Exclude vars in private clauses. | |||
11987 | for (const auto *C : S.getClausesOfKind<OMPPrivateClause>()) { | |||
11988 | for (const Expr *Ref : C->varlists()) { | |||
11989 | if (!Ref->getType()->isScalarType()) | |||
11990 | continue; | |||
11991 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11992 | if (!DRE) | |||
11993 | continue; | |||
11994 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11995 | } | |||
11996 | } | |||
11997 | for (const auto *C : S.getClausesOfKind<OMPFirstprivateClause>()) { | |||
11998 | for (const Expr *Ref : C->varlists()) { | |||
11999 | if (!Ref->getType()->isScalarType()) | |||
12000 | continue; | |||
12001 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
12002 | if (!DRE) | |||
12003 | continue; | |||
12004 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
12005 | } | |||
12006 | } | |||
12007 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | |||
12008 | for (const Expr *Ref : C->varlists()) { | |||
12009 | if (!Ref->getType()->isScalarType()) | |||
12010 | continue; | |||
12011 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
12012 | if (!DRE) | |||
12013 | continue; | |||
12014 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
12015 | } | |||
12016 | } | |||
12017 | for (const auto *C : S.getClausesOfKind<OMPReductionClause>()) { | |||
12018 | for (const Expr *Ref : C->varlists()) { | |||
12019 | if (!Ref->getType()->isScalarType()) | |||
12020 | continue; | |||
12021 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
12022 | if (!DRE) | |||
12023 | continue; | |||
12024 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
12025 | } | |||
12026 | } | |||
12027 | for (const auto *C : S.getClausesOfKind<OMPLinearClause>()) { | |||
12028 | for (const Expr *Ref : C->varlists()) { | |||
12029 | if (!Ref->getType()->isScalarType()) | |||
12030 | continue; | |||
12031 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
12032 | if (!DRE) | |||
12033 | continue; | |||
12034 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
12035 | } | |||
12036 | } | |||
12037 | for (const Decl *VD : NeedToCheckForLPCs) { | |||
12038 | for (const LastprivateConditionalData &Data : | |||
12039 | llvm::reverse(CGM.getOpenMPRuntime().LastprivateConditionalStack)) { | |||
12040 | if (Data.DeclToUniqueName.count(VD) > 0) { | |||
12041 | if (!Data.Disabled) | |||
12042 | NeedToAddForLPCsAsDisabled.insert(VD); | |||
12043 | break; | |||
12044 | } | |||
12045 | } | |||
12046 | } | |||
12047 | } | |||
12048 | ||||
12049 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | |||
12050 | CodeGenFunction &CGF, const OMPExecutableDirective &S, LValue IVLVal) | |||
12051 | : CGM(CGF.CGM), | |||
12052 | Action((CGM.getLangOpts().OpenMP >= 50 && | |||
12053 | llvm::any_of(S.getClausesOfKind<OMPLastprivateClause>(), | |||
12054 | [](const OMPLastprivateClause *C) { | |||
12055 | return C->getKind() == | |||
12056 | OMPC_LASTPRIVATE_conditional; | |||
12057 | })) | |||
12058 | ? ActionToDo::PushAsLastprivateConditional | |||
12059 | : ActionToDo::DoNotPush) { | |||
12060 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")((CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? static_cast<void> (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12060, __PRETTY_FUNCTION__)); | |||
12061 | if (CGM.getLangOpts().OpenMP < 50 || Action == ActionToDo::DoNotPush) | |||
12062 | return; | |||
12063 | assert(Action == ActionToDo::PushAsLastprivateConditional &&((Action == ActionToDo::PushAsLastprivateConditional && "Expected a push action.") ? static_cast<void> (0) : __assert_fail ("Action == ActionToDo::PushAsLastprivateConditional && \"Expected a push action.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12064, __PRETTY_FUNCTION__)) | |||
12064 | "Expected a push action.")((Action == ActionToDo::PushAsLastprivateConditional && "Expected a push action.") ? static_cast<void> (0) : __assert_fail ("Action == ActionToDo::PushAsLastprivateConditional && \"Expected a push action.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12064, __PRETTY_FUNCTION__)); | |||
12065 | LastprivateConditionalData &Data = | |||
12066 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | |||
12067 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | |||
12068 | if (C->getKind() != OMPC_LASTPRIVATE_conditional) | |||
12069 | continue; | |||
12070 | ||||
12071 | for (const Expr *Ref : C->varlists()) { | |||
12072 | Data.DeclToUniqueName.insert(std::make_pair( | |||
12073 | cast<DeclRefExpr>(Ref->IgnoreParenImpCasts())->getDecl(), | |||
12074 | SmallString<16>(generateUniqueName(CGM, "pl_cond", Ref)))); | |||
12075 | } | |||
12076 | } | |||
12077 | Data.IVLVal = IVLVal; | |||
12078 | Data.Fn = CGF.CurFn; | |||
12079 | } | |||
12080 | ||||
12081 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | |||
12082 | CodeGenFunction &CGF, const OMPExecutableDirective &S) | |||
12083 | : CGM(CGF.CGM), Action(ActionToDo::DoNotPush) { | |||
12084 | assert(CGM.getLangOpts().OpenMP && "Not in OpenMP mode.")((CGM.getLangOpts().OpenMP && "Not in OpenMP mode.") ? static_cast<void> (0) : __assert_fail ("CGM.getLangOpts().OpenMP && \"Not in OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12084, __PRETTY_FUNCTION__)); | |||
12085 | if (CGM.getLangOpts().OpenMP < 50) | |||
12086 | return; | |||
12087 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToAddForLPCsAsDisabled; | |||
12088 | tryToDisableInnerAnalysis(S, NeedToAddForLPCsAsDisabled); | |||
12089 | if (!NeedToAddForLPCsAsDisabled.empty()) { | |||
12090 | Action = ActionToDo::DisableLastprivateConditional; | |||
12091 | LastprivateConditionalData &Data = | |||
12092 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | |||
12093 | for (const Decl *VD : NeedToAddForLPCsAsDisabled) | |||
12094 | Data.DeclToUniqueName.insert(std::make_pair(VD, SmallString<16>())); | |||
12095 | Data.Fn = CGF.CurFn; | |||
12096 | Data.Disabled = true; | |||
12097 | } | |||
12098 | } | |||
12099 | ||||
12100 | CGOpenMPRuntime::LastprivateConditionalRAII | |||
12101 | CGOpenMPRuntime::LastprivateConditionalRAII::disable( | |||
12102 | CodeGenFunction &CGF, const OMPExecutableDirective &S) { | |||
12103 | return LastprivateConditionalRAII(CGF, S); | |||
12104 | } | |||
12105 | ||||
12106 | CGOpenMPRuntime::LastprivateConditionalRAII::~LastprivateConditionalRAII() { | |||
12107 | if (CGM.getLangOpts().OpenMP < 50) | |||
12108 | return; | |||
12109 | if (Action == ActionToDo::DisableLastprivateConditional) { | |||
12110 | assert(CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled &&((CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && "Expected list of disabled private vars.") ? static_cast <void> (0) : __assert_fail ("CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of disabled private vars.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12111, __PRETTY_FUNCTION__)) | |||
12111 | "Expected list of disabled private vars.")((CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && "Expected list of disabled private vars.") ? static_cast <void> (0) : __assert_fail ("CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of disabled private vars.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12111, __PRETTY_FUNCTION__)); | |||
12112 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | |||
12113 | } | |||
12114 | if (Action == ActionToDo::PushAsLastprivateConditional) { | |||
12115 | assert(((!CGM.getOpenMPRuntime().LastprivateConditionalStack.back(). Disabled && "Expected list of lastprivate conditional vars." ) ? static_cast<void> (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12117, __PRETTY_FUNCTION__)) | |||
12116 | !CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled &&((!CGM.getOpenMPRuntime().LastprivateConditionalStack.back(). Disabled && "Expected list of lastprivate conditional vars." ) ? static_cast<void> (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12117, __PRETTY_FUNCTION__)) | |||
12117 | "Expected list of lastprivate conditional vars.")((!CGM.getOpenMPRuntime().LastprivateConditionalStack.back(). Disabled && "Expected list of lastprivate conditional vars." ) ? static_cast<void> (0) : __assert_fail ("!CGM.getOpenMPRuntime().LastprivateConditionalStack.back().Disabled && \"Expected list of lastprivate conditional vars.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12117, __PRETTY_FUNCTION__)); | |||
12118 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | |||
12119 | } | |||
12120 | } | |||
12121 | ||||
12122 | Address CGOpenMPRuntime::emitLastprivateConditionalInit(CodeGenFunction &CGF, | |||
12123 | const VarDecl *VD) { | |||
12124 | ASTContext &C = CGM.getContext(); | |||
12125 | auto I = LastprivateConditionalToTypes.find(CGF.CurFn); | |||
12126 | if (I == LastprivateConditionalToTypes.end()) | |||
12127 | I = LastprivateConditionalToTypes.try_emplace(CGF.CurFn).first; | |||
12128 | QualType NewType; | |||
12129 | const FieldDecl *VDField; | |||
12130 | const FieldDecl *FiredField; | |||
12131 | LValue BaseLVal; | |||
12132 | auto VI = I->getSecond().find(VD); | |||
12133 | if (VI == I->getSecond().end()) { | |||
12134 | RecordDecl *RD = C.buildImplicitRecord("lasprivate.conditional"); | |||
12135 | RD->startDefinition(); | |||
12136 | VDField = addFieldToRecordDecl(C, RD, VD->getType().getNonReferenceType()); | |||
12137 | FiredField = addFieldToRecordDecl(C, RD, C.CharTy); | |||
12138 | RD->completeDefinition(); | |||
12139 | NewType = C.getRecordType(RD); | |||
12140 | Address Addr = CGF.CreateMemTemp(NewType, C.getDeclAlign(VD), VD->getName()); | |||
12141 | BaseLVal = CGF.MakeAddrLValue(Addr, NewType, AlignmentSource::Decl); | |||
12142 | I->getSecond().try_emplace(VD, NewType, VDField, FiredField, BaseLVal); | |||
12143 | } else { | |||
12144 | NewType = std::get<0>(VI->getSecond()); | |||
12145 | VDField = std::get<1>(VI->getSecond()); | |||
12146 | FiredField = std::get<2>(VI->getSecond()); | |||
12147 | BaseLVal = std::get<3>(VI->getSecond()); | |||
12148 | } | |||
12149 | LValue FiredLVal = | |||
12150 | CGF.EmitLValueForField(BaseLVal, FiredField); | |||
12151 | CGF.EmitStoreOfScalar( | |||
12152 | llvm::ConstantInt::getNullValue(CGF.ConvertTypeForMem(C.CharTy)), | |||
12153 | FiredLVal); | |||
12154 | return CGF.EmitLValueForField(BaseLVal, VDField).getAddress(CGF); | |||
12155 | } | |||
12156 | ||||
12157 | namespace { | |||
12158 | /// Checks if the lastprivate conditional variable is referenced in LHS. | |||
12159 | class LastprivateConditionalRefChecker final | |||
12160 | : public ConstStmtVisitor<LastprivateConditionalRefChecker, bool> { | |||
12161 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM; | |||
12162 | const Expr *FoundE = nullptr; | |||
12163 | const Decl *FoundD = nullptr; | |||
12164 | StringRef UniqueDeclName; | |||
12165 | LValue IVLVal; | |||
12166 | llvm::Function *FoundFn = nullptr; | |||
12167 | SourceLocation Loc; | |||
12168 | ||||
12169 | public: | |||
12170 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
12171 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | |||
12172 | llvm::reverse(LPM)) { | |||
12173 | auto It = D.DeclToUniqueName.find(E->getDecl()); | |||
12174 | if (It == D.DeclToUniqueName.end()) | |||
12175 | continue; | |||
12176 | if (D.Disabled) | |||
12177 | return false; | |||
12178 | FoundE = E; | |||
12179 | FoundD = E->getDecl()->getCanonicalDecl(); | |||
12180 | UniqueDeclName = It->second; | |||
12181 | IVLVal = D.IVLVal; | |||
12182 | FoundFn = D.Fn; | |||
12183 | break; | |||
12184 | } | |||
12185 | return FoundE == E; | |||
12186 | } | |||
12187 | bool VisitMemberExpr(const MemberExpr *E) { | |||
12188 | if (!CodeGenFunction::IsWrappedCXXThis(E->getBase())) | |||
12189 | return false; | |||
12190 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | |||
12191 | llvm::reverse(LPM)) { | |||
12192 | auto It = D.DeclToUniqueName.find(E->getMemberDecl()); | |||
12193 | if (It == D.DeclToUniqueName.end()) | |||
12194 | continue; | |||
12195 | if (D.Disabled) | |||
12196 | return false; | |||
12197 | FoundE = E; | |||
12198 | FoundD = E->getMemberDecl()->getCanonicalDecl(); | |||
12199 | UniqueDeclName = It->second; | |||
12200 | IVLVal = D.IVLVal; | |||
12201 | FoundFn = D.Fn; | |||
12202 | break; | |||
12203 | } | |||
12204 | return FoundE == E; | |||
12205 | } | |||
12206 | bool VisitStmt(const Stmt *S) { | |||
12207 | for (const Stmt *Child : S->children()) { | |||
12208 | if (!Child) | |||
12209 | continue; | |||
12210 | if (const auto *E = dyn_cast<Expr>(Child)) | |||
12211 | if (!E->isGLValue()) | |||
12212 | continue; | |||
12213 | if (Visit(Child)) | |||
12214 | return true; | |||
12215 | } | |||
12216 | return false; | |||
12217 | } | |||
12218 | explicit LastprivateConditionalRefChecker( | |||
12219 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM) | |||
12220 | : LPM(LPM) {} | |||
12221 | std::tuple<const Expr *, const Decl *, StringRef, LValue, llvm::Function *> | |||
12222 | getFoundData() const { | |||
12223 | return std::make_tuple(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn); | |||
12224 | } | |||
12225 | }; | |||
12226 | } // namespace | |||
12227 | ||||
12228 | void CGOpenMPRuntime::emitLastprivateConditionalUpdate(CodeGenFunction &CGF, | |||
12229 | LValue IVLVal, | |||
12230 | StringRef UniqueDeclName, | |||
12231 | LValue LVal, | |||
12232 | SourceLocation Loc) { | |||
12233 | // Last updated loop counter for the lastprivate conditional var. | |||
12234 | // int<xx> last_iv = 0; | |||
12235 | llvm::Type *LLIVTy = CGF.ConvertTypeForMem(IVLVal.getType()); | |||
12236 | llvm::Constant *LastIV = | |||
12237 | getOrCreateInternalVariable(LLIVTy, getName({UniqueDeclName, "iv"})); | |||
12238 | cast<llvm::GlobalVariable>(LastIV)->setAlignment( | |||
12239 | IVLVal.getAlignment().getAsAlign()); | |||
12240 | LValue LastIVLVal = CGF.MakeNaturalAlignAddrLValue(LastIV, IVLVal.getType()); | |||
12241 | ||||
12242 | // Last value of the lastprivate conditional. | |||
12243 | // decltype(priv_a) last_a; | |||
12244 | llvm::Constant *Last = getOrCreateInternalVariable( | |||
12245 | CGF.ConvertTypeForMem(LVal.getType()), UniqueDeclName); | |||
12246 | cast<llvm::GlobalVariable>(Last)->setAlignment( | |||
12247 | LVal.getAlignment().getAsAlign()); | |||
12248 | LValue LastLVal = | |||
12249 | CGF.MakeAddrLValue(Last, LVal.getType(), LVal.getAlignment()); | |||
12250 | ||||
12251 | // Global loop counter. Required to handle inner parallel-for regions. | |||
12252 | // iv | |||
12253 | llvm::Value *IVVal = CGF.EmitLoadOfScalar(IVLVal, Loc); | |||
12254 | ||||
12255 | // #pragma omp critical(a) | |||
12256 | // if (last_iv <= iv) { | |||
12257 | // last_iv = iv; | |||
12258 | // last_a = priv_a; | |||
12259 | // } | |||
12260 | auto &&CodeGen = [&LastIVLVal, &IVLVal, IVVal, &LVal, &LastLVal, | |||
12261 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
12262 | Action.Enter(CGF); | |||
12263 | llvm::Value *LastIVVal = CGF.EmitLoadOfScalar(LastIVLVal, Loc); | |||
12264 | // (last_iv <= iv) ? Check if the variable is updated and store new | |||
12265 | // value in global var. | |||
12266 | llvm::Value *CmpRes; | |||
12267 | if (IVLVal.getType()->isSignedIntegerType()) { | |||
12268 | CmpRes = CGF.Builder.CreateICmpSLE(LastIVVal, IVVal); | |||
12269 | } else { | |||
12270 | assert(IVLVal.getType()->isUnsignedIntegerType() &&((IVLVal.getType()->isUnsignedIntegerType() && "Loop iteration variable must be integer." ) ? static_cast<void> (0) : __assert_fail ("IVLVal.getType()->isUnsignedIntegerType() && \"Loop iteration variable must be integer.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12271, __PRETTY_FUNCTION__)) | |||
12271 | "Loop iteration variable must be integer.")((IVLVal.getType()->isUnsignedIntegerType() && "Loop iteration variable must be integer." ) ? static_cast<void> (0) : __assert_fail ("IVLVal.getType()->isUnsignedIntegerType() && \"Loop iteration variable must be integer.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12271, __PRETTY_FUNCTION__)); | |||
12272 | CmpRes = CGF.Builder.CreateICmpULE(LastIVVal, IVVal); | |||
12273 | } | |||
12274 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lp_cond_then"); | |||
12275 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock("lp_cond_exit"); | |||
12276 | CGF.Builder.CreateCondBr(CmpRes, ThenBB, ExitBB); | |||
12277 | // { | |||
12278 | CGF.EmitBlock(ThenBB); | |||
12279 | ||||
12280 | // last_iv = iv; | |||
12281 | CGF.EmitStoreOfScalar(IVVal, LastIVLVal); | |||
12282 | ||||
12283 | // last_a = priv_a; | |||
12284 | switch (CGF.getEvaluationKind(LVal.getType())) { | |||
12285 | case TEK_Scalar: { | |||
12286 | llvm::Value *PrivVal = CGF.EmitLoadOfScalar(LVal, Loc); | |||
12287 | CGF.EmitStoreOfScalar(PrivVal, LastLVal); | |||
12288 | break; | |||
12289 | } | |||
12290 | case TEK_Complex: { | |||
12291 | CodeGenFunction::ComplexPairTy PrivVal = CGF.EmitLoadOfComplex(LVal, Loc); | |||
12292 | CGF.EmitStoreOfComplex(PrivVal, LastLVal, /*isInit=*/false); | |||
12293 | break; | |||
12294 | } | |||
12295 | case TEK_Aggregate: | |||
12296 | llvm_unreachable(::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12297) | |||
12297 | "Aggregates are not supported in lastprivate conditional.")::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12297); | |||
12298 | } | |||
12299 | // } | |||
12300 | CGF.EmitBranch(ExitBB); | |||
12301 | // There is no need to emit line number for unconditional branch. | |||
12302 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
12303 | CGF.EmitBlock(ExitBB, /*IsFinished=*/true); | |||
12304 | }; | |||
12305 | ||||
12306 | if (CGM.getLangOpts().OpenMPSimd) { | |||
12307 | // Do not emit as a critical region as no parallel region could be emitted. | |||
12308 | RegionCodeGenTy ThenRCG(CodeGen); | |||
12309 | ThenRCG(CGF); | |||
12310 | } else { | |||
12311 | emitCriticalRegion(CGF, UniqueDeclName, CodeGen, Loc); | |||
12312 | } | |||
12313 | } | |||
12314 | ||||
12315 | void CGOpenMPRuntime::checkAndEmitLastprivateConditional(CodeGenFunction &CGF, | |||
12316 | const Expr *LHS) { | |||
12317 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | |||
12318 | return; | |||
12319 | LastprivateConditionalRefChecker Checker(LastprivateConditionalStack); | |||
12320 | if (!Checker.Visit(LHS)) | |||
12321 | return; | |||
12322 | const Expr *FoundE; | |||
12323 | const Decl *FoundD; | |||
12324 | StringRef UniqueDeclName; | |||
12325 | LValue IVLVal; | |||
12326 | llvm::Function *FoundFn; | |||
12327 | std::tie(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn) = | |||
12328 | Checker.getFoundData(); | |||
12329 | if (FoundFn != CGF.CurFn) { | |||
12330 | // Special codegen for inner parallel regions. | |||
12331 | // ((struct.lastprivate.conditional*)&priv_a)->Fired = 1; | |||
12332 | auto It = LastprivateConditionalToTypes[FoundFn].find(FoundD); | |||
12333 | assert(It != LastprivateConditionalToTypes[FoundFn].end() &&((It != LastprivateConditionalToTypes[FoundFn].end() && "Lastprivate conditional is not found in outer region.") ? static_cast <void> (0) : __assert_fail ("It != LastprivateConditionalToTypes[FoundFn].end() && \"Lastprivate conditional is not found in outer region.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12334, __PRETTY_FUNCTION__)) | |||
12334 | "Lastprivate conditional is not found in outer region.")((It != LastprivateConditionalToTypes[FoundFn].end() && "Lastprivate conditional is not found in outer region.") ? static_cast <void> (0) : __assert_fail ("It != LastprivateConditionalToTypes[FoundFn].end() && \"Lastprivate conditional is not found in outer region.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12334, __PRETTY_FUNCTION__)); | |||
12335 | QualType StructTy = std::get<0>(It->getSecond()); | |||
12336 | const FieldDecl* FiredDecl = std::get<2>(It->getSecond()); | |||
12337 | LValue PrivLVal = CGF.EmitLValue(FoundE); | |||
12338 | Address StructAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
12339 | PrivLVal.getAddress(CGF), | |||
12340 | CGF.ConvertTypeForMem(CGF.getContext().getPointerType(StructTy))); | |||
12341 | LValue BaseLVal = | |||
12342 | CGF.MakeAddrLValue(StructAddr, StructTy, AlignmentSource::Decl); | |||
12343 | LValue FiredLVal = CGF.EmitLValueForField(BaseLVal, FiredDecl); | |||
12344 | CGF.EmitAtomicStore(RValue::get(llvm::ConstantInt::get( | |||
12345 | CGF.ConvertTypeForMem(FiredDecl->getType()), 1)), | |||
12346 | FiredLVal, llvm::AtomicOrdering::Unordered, | |||
12347 | /*IsVolatile=*/true, /*isInit=*/false); | |||
12348 | return; | |||
12349 | } | |||
12350 | ||||
12351 | // Private address of the lastprivate conditional in the current context. | |||
12352 | // priv_a | |||
12353 | LValue LVal = CGF.EmitLValue(FoundE); | |||
12354 | emitLastprivateConditionalUpdate(CGF, IVLVal, UniqueDeclName, LVal, | |||
12355 | FoundE->getExprLoc()); | |||
12356 | } | |||
12357 | ||||
12358 | void CGOpenMPRuntime::checkAndEmitSharedLastprivateConditional( | |||
12359 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
12360 | const llvm::DenseSet<CanonicalDeclPtr<const VarDecl>> &IgnoredDecls) { | |||
12361 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | |||
12362 | return; | |||
12363 | auto Range = llvm::reverse(LastprivateConditionalStack); | |||
12364 | auto It = llvm::find_if( | |||
12365 | Range, [](const LastprivateConditionalData &D) { return !D.Disabled; }); | |||
12366 | if (It == Range.end() || It->Fn != CGF.CurFn) | |||
12367 | return; | |||
12368 | auto LPCI = LastprivateConditionalToTypes.find(It->Fn); | |||
12369 | assert(LPCI != LastprivateConditionalToTypes.end() &&((LPCI != LastprivateConditionalToTypes.end() && "Lastprivates must be registered already." ) ? static_cast<void> (0) : __assert_fail ("LPCI != LastprivateConditionalToTypes.end() && \"Lastprivates must be registered already.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12370, __PRETTY_FUNCTION__)) | |||
12370 | "Lastprivates must be registered already.")((LPCI != LastprivateConditionalToTypes.end() && "Lastprivates must be registered already." ) ? static_cast<void> (0) : __assert_fail ("LPCI != LastprivateConditionalToTypes.end() && \"Lastprivates must be registered already.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12370, __PRETTY_FUNCTION__)); | |||
12371 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
12372 | getOpenMPCaptureRegions(CaptureRegions, D.getDirectiveKind()); | |||
12373 | const CapturedStmt *CS = D.getCapturedStmt(CaptureRegions.back()); | |||
12374 | for (const auto &Pair : It->DeclToUniqueName) { | |||
12375 | const auto *VD = cast<VarDecl>(Pair.first->getCanonicalDecl()); | |||
12376 | if (!CS->capturesVariable(VD) || IgnoredDecls.count(VD) > 0) | |||
12377 | continue; | |||
12378 | auto I = LPCI->getSecond().find(Pair.first); | |||
12379 | assert(I != LPCI->getSecond().end() &&((I != LPCI->getSecond().end() && "Lastprivate must be rehistered already." ) ? static_cast<void> (0) : __assert_fail ("I != LPCI->getSecond().end() && \"Lastprivate must be rehistered already.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12380, __PRETTY_FUNCTION__)) | |||
12380 | "Lastprivate must be rehistered already.")((I != LPCI->getSecond().end() && "Lastprivate must be rehistered already." ) ? static_cast<void> (0) : __assert_fail ("I != LPCI->getSecond().end() && \"Lastprivate must be rehistered already.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12380, __PRETTY_FUNCTION__)); | |||
12381 | // bool Cmp = priv_a.Fired != 0; | |||
12382 | LValue BaseLVal = std::get<3>(I->getSecond()); | |||
12383 | LValue FiredLVal = | |||
12384 | CGF.EmitLValueForField(BaseLVal, std::get<2>(I->getSecond())); | |||
12385 | llvm::Value *Res = CGF.EmitLoadOfScalar(FiredLVal, D.getBeginLoc()); | |||
12386 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Res); | |||
12387 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lpc.then"); | |||
12388 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("lpc.done"); | |||
12389 | // if (Cmp) { | |||
12390 | CGF.Builder.CreateCondBr(Cmp, ThenBB, DoneBB); | |||
12391 | CGF.EmitBlock(ThenBB); | |||
12392 | Address Addr = CGF.GetAddrOfLocalVar(VD); | |||
12393 | LValue LVal; | |||
12394 | if (VD->getType()->isReferenceType()) | |||
12395 | LVal = CGF.EmitLoadOfReferenceLValue(Addr, VD->getType(), | |||
12396 | AlignmentSource::Decl); | |||
12397 | else | |||
12398 | LVal = CGF.MakeAddrLValue(Addr, VD->getType().getNonReferenceType(), | |||
12399 | AlignmentSource::Decl); | |||
12400 | emitLastprivateConditionalUpdate(CGF, It->IVLVal, Pair.second, LVal, | |||
12401 | D.getBeginLoc()); | |||
12402 | auto AL = ApplyDebugLocation::CreateArtificial(CGF); | |||
12403 | CGF.EmitBlock(DoneBB, /*IsFinal=*/true); | |||
12404 | // } | |||
12405 | } | |||
12406 | } | |||
12407 | ||||
12408 | void CGOpenMPRuntime::emitLastprivateConditionalFinalUpdate( | |||
12409 | CodeGenFunction &CGF, LValue PrivLVal, const VarDecl *VD, | |||
12410 | SourceLocation Loc) { | |||
12411 | if (CGF.getLangOpts().OpenMP < 50) | |||
12412 | return; | |||
12413 | auto It = LastprivateConditionalStack.back().DeclToUniqueName.find(VD); | |||
12414 | assert(It != LastprivateConditionalStack.back().DeclToUniqueName.end() &&((It != LastprivateConditionalStack.back().DeclToUniqueName.end () && "Unknown lastprivate conditional variable.") ? static_cast <void> (0) : __assert_fail ("It != LastprivateConditionalStack.back().DeclToUniqueName.end() && \"Unknown lastprivate conditional variable.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12415, __PRETTY_FUNCTION__)) | |||
12415 | "Unknown lastprivate conditional variable.")((It != LastprivateConditionalStack.back().DeclToUniqueName.end () && "Unknown lastprivate conditional variable.") ? static_cast <void> (0) : __assert_fail ("It != LastprivateConditionalStack.back().DeclToUniqueName.end() && \"Unknown lastprivate conditional variable.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12415, __PRETTY_FUNCTION__)); | |||
12416 | StringRef UniqueName = It->second; | |||
12417 | llvm::GlobalVariable *GV = CGM.getModule().getNamedGlobal(UniqueName); | |||
12418 | // The variable was not updated in the region - exit. | |||
12419 | if (!GV) | |||
12420 | return; | |||
12421 | LValue LPLVal = CGF.MakeAddrLValue( | |||
12422 | GV, PrivLVal.getType().getNonReferenceType(), PrivLVal.getAlignment()); | |||
12423 | llvm::Value *Res = CGF.EmitLoadOfScalar(LPLVal, Loc); | |||
12424 | CGF.EmitStoreOfScalar(Res, PrivLVal); | |||
12425 | } | |||
12426 | ||||
12427 | llvm::Function *CGOpenMPSIMDRuntime::emitParallelOutlinedFunction( | |||
12428 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
12429 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
12430 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12430); | |||
12431 | } | |||
12432 | ||||
12433 | llvm::Function *CGOpenMPSIMDRuntime::emitTeamsOutlinedFunction( | |||
12434 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
12435 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
12436 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12436); | |||
12437 | } | |||
12438 | ||||
12439 | llvm::Function *CGOpenMPSIMDRuntime::emitTaskOutlinedFunction( | |||
12440 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
12441 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | |||
12442 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | |||
12443 | bool Tied, unsigned &NumberOfParts) { | |||
12444 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12444); | |||
12445 | } | |||
12446 | ||||
12447 | void CGOpenMPSIMDRuntime::emitParallelCall(CodeGenFunction &CGF, | |||
12448 | SourceLocation Loc, | |||
12449 | llvm::Function *OutlinedFn, | |||
12450 | ArrayRef<llvm::Value *> CapturedVars, | |||
12451 | const Expr *IfCond) { | |||
12452 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12452); | |||
12453 | } | |||
12454 | ||||
12455 | void CGOpenMPSIMDRuntime::emitCriticalRegion( | |||
12456 | CodeGenFunction &CGF, StringRef CriticalName, | |||
12457 | const RegionCodeGenTy &CriticalOpGen, SourceLocation Loc, | |||
12458 | const Expr *Hint) { | |||
12459 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12459); | |||
12460 | } | |||
12461 | ||||
12462 | void CGOpenMPSIMDRuntime::emitMasterRegion(CodeGenFunction &CGF, | |||
12463 | const RegionCodeGenTy &MasterOpGen, | |||
12464 | SourceLocation Loc) { | |||
12465 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12465); | |||
12466 | } | |||
12467 | ||||
12468 | void CGOpenMPSIMDRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | |||
12469 | SourceLocation Loc) { | |||
12470 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12470); | |||
12471 | } | |||
12472 | ||||
12473 | void CGOpenMPSIMDRuntime::emitTaskgroupRegion( | |||
12474 | CodeGenFunction &CGF, const RegionCodeGenTy &TaskgroupOpGen, | |||
12475 | SourceLocation Loc) { | |||
12476 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12476); | |||
12477 | } | |||
12478 | ||||
12479 | void CGOpenMPSIMDRuntime::emitSingleRegion( | |||
12480 | CodeGenFunction &CGF, const RegionCodeGenTy &SingleOpGen, | |||
12481 | SourceLocation Loc, ArrayRef<const Expr *> CopyprivateVars, | |||
12482 | ArrayRef<const Expr *> DestExprs, ArrayRef<const Expr *> SrcExprs, | |||
12483 | ArrayRef<const Expr *> AssignmentOps) { | |||
12484 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12484); | |||
12485 | } | |||
12486 | ||||
12487 | void CGOpenMPSIMDRuntime::emitOrderedRegion(CodeGenFunction &CGF, | |||
12488 | const RegionCodeGenTy &OrderedOpGen, | |||
12489 | SourceLocation Loc, | |||
12490 | bool IsThreads) { | |||
12491 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12491); | |||
12492 | } | |||
12493 | ||||
12494 | void CGOpenMPSIMDRuntime::emitBarrierCall(CodeGenFunction &CGF, | |||
12495 | SourceLocation Loc, | |||
12496 | OpenMPDirectiveKind Kind, | |||
12497 | bool EmitChecks, | |||
12498 | bool ForceSimpleCall) { | |||
12499 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12499); | |||
12500 | } | |||
12501 | ||||
12502 | void CGOpenMPSIMDRuntime::emitForDispatchInit( | |||
12503 | CodeGenFunction &CGF, SourceLocation Loc, | |||
12504 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | |||
12505 | bool Ordered, const DispatchRTInput &DispatchValues) { | |||
12506 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12506); | |||
12507 | } | |||
12508 | ||||
12509 | void CGOpenMPSIMDRuntime::emitForStaticInit( | |||
12510 | CodeGenFunction &CGF, SourceLocation Loc, OpenMPDirectiveKind DKind, | |||
12511 | const OpenMPScheduleTy &ScheduleKind, const StaticRTInput &Values) { | |||
12512 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12512); | |||
12513 | } | |||
12514 | ||||
12515 | void CGOpenMPSIMDRuntime::emitDistributeStaticInit( | |||
12516 | CodeGenFunction &CGF, SourceLocation Loc, | |||
12517 | OpenMPDistScheduleClauseKind SchedKind, const StaticRTInput &Values) { | |||
12518 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12518); | |||
12519 | } | |||
12520 | ||||
12521 | void CGOpenMPSIMDRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | |||
12522 | SourceLocation Loc, | |||
12523 | unsigned IVSize, | |||
12524 | bool IVSigned) { | |||
12525 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12525); | |||
12526 | } | |||
12527 | ||||
12528 | void CGOpenMPSIMDRuntime::emitForStaticFinish(CodeGenFunction &CGF, | |||
12529 | SourceLocation Loc, | |||
12530 | OpenMPDirectiveKind DKind) { | |||
12531 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12531); | |||
12532 | } | |||
12533 | ||||
12534 | llvm::Value *CGOpenMPSIMDRuntime::emitForNext(CodeGenFunction &CGF, | |||
12535 | SourceLocation Loc, | |||
12536 | unsigned IVSize, bool IVSigned, | |||
12537 | Address IL, Address LB, | |||
12538 | Address UB, Address ST) { | |||
12539 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12539); | |||
12540 | } | |||
12541 | ||||
12542 | void CGOpenMPSIMDRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | |||
12543 | llvm::Value *NumThreads, | |||
12544 | SourceLocation Loc) { | |||
12545 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12545); | |||
12546 | } | |||
12547 | ||||
12548 | void CGOpenMPSIMDRuntime::emitProcBindClause(CodeGenFunction &CGF, | |||
12549 | ProcBindKind ProcBind, | |||
12550 | SourceLocation Loc) { | |||
12551 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12551); | |||
12552 | } | |||
12553 | ||||
12554 | Address CGOpenMPSIMDRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | |||
12555 | const VarDecl *VD, | |||
12556 | Address VDAddr, | |||
12557 | SourceLocation Loc) { | |||
12558 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12558); | |||
12559 | } | |||
12560 | ||||
12561 | llvm::Function *CGOpenMPSIMDRuntime::emitThreadPrivateVarDefinition( | |||
12562 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, bool PerformInit, | |||
12563 | CodeGenFunction *CGF) { | |||
12564 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12564); | |||
12565 | } | |||
12566 | ||||
12567 | Address CGOpenMPSIMDRuntime::getAddrOfArtificialThreadPrivate( | |||
12568 | CodeGenFunction &CGF, QualType VarType, StringRef Name) { | |||
12569 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12569); | |||
12570 | } | |||
12571 | ||||
12572 | void CGOpenMPSIMDRuntime::emitFlush(CodeGenFunction &CGF, | |||
12573 | ArrayRef<const Expr *> Vars, | |||
12574 | SourceLocation Loc, | |||
12575 | llvm::AtomicOrdering AO) { | |||
12576 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12576); | |||
12577 | } | |||
12578 | ||||
12579 | void CGOpenMPSIMDRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
12580 | const OMPExecutableDirective &D, | |||
12581 | llvm::Function *TaskFunction, | |||
12582 | QualType SharedsTy, Address Shareds, | |||
12583 | const Expr *IfCond, | |||
12584 | const OMPTaskDataTy &Data) { | |||
12585 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12585); | |||
12586 | } | |||
12587 | ||||
12588 | void CGOpenMPSIMDRuntime::emitTaskLoopCall( | |||
12589 | CodeGenFunction &CGF, SourceLocation Loc, const OMPLoopDirective &D, | |||
12590 | llvm::Function *TaskFunction, QualType SharedsTy, Address Shareds, | |||
12591 | const Expr *IfCond, const OMPTaskDataTy &Data) { | |||
12592 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12592); | |||
12593 | } | |||
12594 | ||||
12595 | void CGOpenMPSIMDRuntime::emitReduction( | |||
12596 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> Privates, | |||
12597 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | |||
12598 | ArrayRef<const Expr *> ReductionOps, ReductionOptionsTy Options) { | |||
12599 | assert(Options.SimpleReduction && "Only simple reduction is expected.")((Options.SimpleReduction && "Only simple reduction is expected." ) ? static_cast<void> (0) : __assert_fail ("Options.SimpleReduction && \"Only simple reduction is expected.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12599, __PRETTY_FUNCTION__)); | |||
12600 | CGOpenMPRuntime::emitReduction(CGF, Loc, Privates, LHSExprs, RHSExprs, | |||
12601 | ReductionOps, Options); | |||
12602 | } | |||
12603 | ||||
12604 | llvm::Value *CGOpenMPSIMDRuntime::emitTaskReductionInit( | |||
12605 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | |||
12606 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | |||
12607 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12607); | |||
12608 | } | |||
12609 | ||||
12610 | void CGOpenMPSIMDRuntime::emitTaskReductionFini(CodeGenFunction &CGF, | |||
12611 | SourceLocation Loc, | |||
12612 | bool IsWorksharingReduction) { | |||
12613 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12613); | |||
12614 | } | |||
12615 | ||||
12616 | void CGOpenMPSIMDRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | |||
12617 | SourceLocation Loc, | |||
12618 | ReductionCodeGen &RCG, | |||
12619 | unsigned N) { | |||
12620 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12620); | |||
12621 | } | |||
12622 | ||||
12623 | Address CGOpenMPSIMDRuntime::getTaskReductionItem(CodeGenFunction &CGF, | |||
12624 | SourceLocation Loc, | |||
12625 | llvm::Value *ReductionsPtr, | |||
12626 | LValue SharedLVal) { | |||
12627 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12627); | |||
12628 | } | |||
12629 | ||||
12630 | void CGOpenMPSIMDRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | |||
12631 | SourceLocation Loc) { | |||
12632 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12632); | |||
12633 | } | |||
12634 | ||||
12635 | void CGOpenMPSIMDRuntime::emitCancellationPointCall( | |||
12636 | CodeGenFunction &CGF, SourceLocation Loc, | |||
12637 | OpenMPDirectiveKind CancelRegion) { | |||
12638 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12638); | |||
12639 | } | |||
12640 | ||||
12641 | void CGOpenMPSIMDRuntime::emitCancelCall(CodeGenFunction &CGF, | |||
12642 | SourceLocation Loc, const Expr *IfCond, | |||
12643 | OpenMPDirectiveKind CancelRegion) { | |||
12644 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12644); | |||
12645 | } | |||
12646 | ||||
12647 | void CGOpenMPSIMDRuntime::emitTargetOutlinedFunction( | |||
12648 | const OMPExecutableDirective &D, StringRef ParentName, | |||
12649 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
12650 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
12651 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12651); | |||
12652 | } | |||
12653 | ||||
12654 | void CGOpenMPSIMDRuntime::emitTargetCall( | |||
12655 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
12656 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | |||
12657 | llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device, | |||
12658 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
12659 | const OMPLoopDirective &D)> | |||
12660 | SizeEmitter) { | |||
12661 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12661); | |||
12662 | } | |||
12663 | ||||
12664 | bool CGOpenMPSIMDRuntime::emitTargetFunctions(GlobalDecl GD) { | |||
12665 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12665); | |||
12666 | } | |||
12667 | ||||
12668 | bool CGOpenMPSIMDRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | |||
12669 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12669); | |||
12670 | } | |||
12671 | ||||
12672 | bool CGOpenMPSIMDRuntime::emitTargetGlobal(GlobalDecl GD) { | |||
12673 | return false; | |||
12674 | } | |||
12675 | ||||
12676 | void CGOpenMPSIMDRuntime::emitTeamsCall(CodeGenFunction &CGF, | |||
12677 | const OMPExecutableDirective &D, | |||
12678 | SourceLocation Loc, | |||
12679 | llvm::Function *OutlinedFn, | |||
12680 | ArrayRef<llvm::Value *> CapturedVars) { | |||
12681 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12681); | |||
12682 | } | |||
12683 | ||||
12684 | void CGOpenMPSIMDRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | |||
12685 | const Expr *NumTeams, | |||
12686 | const Expr *ThreadLimit, | |||
12687 | SourceLocation Loc) { | |||
12688 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12688); | |||
12689 | } | |||
12690 | ||||
12691 | void CGOpenMPSIMDRuntime::emitTargetDataCalls( | |||
12692 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
12693 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | |||
12694 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12694); | |||
12695 | } | |||
12696 | ||||
12697 | void CGOpenMPSIMDRuntime::emitTargetDataStandAloneCall( | |||
12698 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
12699 | const Expr *Device) { | |||
12700 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12700); | |||
12701 | } | |||
12702 | ||||
12703 | void CGOpenMPSIMDRuntime::emitDoacrossInit(CodeGenFunction &CGF, | |||
12704 | const OMPLoopDirective &D, | |||
12705 | ArrayRef<Expr *> NumIterations) { | |||
12706 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12706); | |||
12707 | } | |||
12708 | ||||
12709 | void CGOpenMPSIMDRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | |||
12710 | const OMPDependClause *C) { | |||
12711 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12711); | |||
12712 | } | |||
12713 | ||||
12714 | const VarDecl * | |||
12715 | CGOpenMPSIMDRuntime::translateParameter(const FieldDecl *FD, | |||
12716 | const VarDecl *NativeParam) const { | |||
12717 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12717); | |||
12718 | } | |||
12719 | ||||
12720 | Address | |||
12721 | CGOpenMPSIMDRuntime::getParameterAddress(CodeGenFunction &CGF, | |||
12722 | const VarDecl *NativeParam, | |||
12723 | const VarDecl *TargetParam) const { | |||
12724 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12724); | |||
12725 | } |
1 | // Iterators -*- C++ -*- |
2 | |
3 | // Copyright (C) 2001-2016 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /* |
26 | * |
27 | * Copyright (c) 1994 |
28 | * Hewlett-Packard Company |
29 | * |
30 | * Permission to use, copy, modify, distribute and sell this software |
31 | * and its documentation for any purpose is hereby granted without fee, |
32 | * provided that the above copyright notice appear in all copies and |
33 | * that both that copyright notice and this permission notice appear |
34 | * in supporting documentation. Hewlett-Packard Company makes no |
35 | * representations about the suitability of this software for any |
36 | * purpose. It is provided "as is" without express or implied warranty. |
37 | * |
38 | * |
39 | * Copyright (c) 1996-1998 |
40 | * Silicon Graphics Computer Systems, Inc. |
41 | * |
42 | * Permission to use, copy, modify, distribute and sell this software |
43 | * and its documentation for any purpose is hereby granted without fee, |
44 | * provided that the above copyright notice appear in all copies and |
45 | * that both that copyright notice and this permission notice appear |
46 | * in supporting documentation. Silicon Graphics makes no |
47 | * representations about the suitability of this software for any |
48 | * purpose. It is provided "as is" without express or implied warranty. |
49 | */ |
50 | |
51 | /** @file bits/stl_iterator.h |
52 | * This is an internal header file, included by other library headers. |
53 | * Do not attempt to use it directly. @headername{iterator} |
54 | * |
55 | * This file implements reverse_iterator, back_insert_iterator, |
56 | * front_insert_iterator, insert_iterator, __normal_iterator, and their |
57 | * supporting functions and overloaded operators. |
58 | */ |
59 | |
60 | #ifndef _STL_ITERATOR_H1 |
61 | #define _STL_ITERATOR_H1 1 |
62 | |
63 | #include <bits/cpp_type_traits.h> |
64 | #include <ext/type_traits.h> |
65 | #include <bits/move.h> |
66 | #include <bits/ptr_traits.h> |
67 | |
68 | namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
69 | { |
70 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
71 | |
72 | /** |
73 | * @addtogroup iterators |
74 | * @{ |
75 | */ |
76 | |
77 | // 24.4.1 Reverse iterators |
78 | /** |
79 | * Bidirectional and random access iterators have corresponding reverse |
80 | * %iterator adaptors that iterate through the data structure in the |
81 | * opposite direction. They have the same signatures as the corresponding |
82 | * iterators. The fundamental relation between a reverse %iterator and its |
83 | * corresponding %iterator @c i is established by the identity: |
84 | * @code |
85 | * &*(reverse_iterator(i)) == &*(i - 1) |
86 | * @endcode |
87 | * |
88 | * <em>This mapping is dictated by the fact that while there is always a |
89 | * pointer past the end of an array, there might not be a valid pointer |
90 | * before the beginning of an array.</em> [24.4.1]/1,2 |
91 | * |
92 | * Reverse iterators can be tricky and surprising at first. Their |
93 | * semantics make sense, however, and the trickiness is a side effect of |
94 | * the requirement that the iterators must be safe. |
95 | */ |
96 | template<typename _Iterator> |
97 | class reverse_iterator |
98 | : public iterator<typename iterator_traits<_Iterator>::iterator_category, |
99 | typename iterator_traits<_Iterator>::value_type, |
100 | typename iterator_traits<_Iterator>::difference_type, |
101 | typename iterator_traits<_Iterator>::pointer, |
102 | typename iterator_traits<_Iterator>::reference> |
103 | { |
104 | protected: |
105 | _Iterator current; |
106 | |
107 | typedef iterator_traits<_Iterator> __traits_type; |
108 | |
109 | public: |
110 | typedef _Iterator iterator_type; |
111 | typedef typename __traits_type::difference_type difference_type; |
112 | typedef typename __traits_type::pointer pointer; |
113 | typedef typename __traits_type::reference reference; |
114 | |
115 | /** |
116 | * The default constructor value-initializes member @p current. |
117 | * If it is a pointer, that means it is zero-initialized. |
118 | */ |
119 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
120 | // 235 No specification of default ctor for reverse_iterator |
121 | reverse_iterator() : current() { } |
122 | |
123 | /** |
124 | * This %iterator will move in the opposite direction that @p x does. |
125 | */ |
126 | explicit |
127 | reverse_iterator(iterator_type __x) : current(__x) { } |
128 | |
129 | /** |
130 | * The copy constructor is normal. |
131 | */ |
132 | reverse_iterator(const reverse_iterator& __x) |
133 | : current(__x.current) { } |
134 | |
135 | /** |
136 | * A %reverse_iterator across other types can be copied if the |
137 | * underlying %iterator can be converted to the type of @c current. |
138 | */ |
139 | template<typename _Iter> |
140 | reverse_iterator(const reverse_iterator<_Iter>& __x) |
141 | : current(__x.base()) { } |
142 | |
143 | /** |
144 | * @return @c current, the %iterator used for underlying work. |
145 | */ |
146 | iterator_type |
147 | base() const |
148 | { return current; } |
149 | |
150 | /** |
151 | * @return A reference to the value at @c --current |
152 | * |
153 | * This requires that @c --current is dereferenceable. |
154 | * |
155 | * @warning This implementation requires that for an iterator of the |
156 | * underlying iterator type, @c x, a reference obtained by |
157 | * @c *x remains valid after @c x has been modified or |
158 | * destroyed. This is a bug: http://gcc.gnu.org/PR51823 |
159 | */ |
160 | reference |
161 | operator*() const |
162 | { |
163 | _Iterator __tmp = current; |
164 | return *--__tmp; |
165 | } |
166 | |
167 | /** |
168 | * @return A pointer to the value at @c --current |
169 | * |
170 | * This requires that @c --current is dereferenceable. |
171 | */ |
172 | pointer |
173 | operator->() const |
174 | { return &(operator*()); } |
175 | |
176 | /** |
177 | * @return @c *this |
178 | * |
179 | * Decrements the underlying iterator. |
180 | */ |
181 | reverse_iterator& |
182 | operator++() |
183 | { |
184 | --current; |
185 | return *this; |
186 | } |
187 | |
188 | /** |
189 | * @return The original value of @c *this |
190 | * |
191 | * Decrements the underlying iterator. |
192 | */ |
193 | reverse_iterator |
194 | operator++(int) |
195 | { |
196 | reverse_iterator __tmp = *this; |
197 | --current; |
198 | return __tmp; |
199 | } |
200 | |
201 | /** |
202 | * @return @c *this |
203 | * |
204 | * Increments the underlying iterator. |
205 | */ |
206 | reverse_iterator& |
207 | operator--() |
208 | { |
209 | ++current; |
210 | return *this; |
211 | } |
212 | |
213 | /** |
214 | * @return A reverse_iterator with the previous value of @c *this |
215 | * |
216 | * Increments the underlying iterator. |
217 | */ |
218 | reverse_iterator |
219 | operator--(int) |
220 | { |
221 | reverse_iterator __tmp = *this; |
222 | ++current; |
223 | return __tmp; |
224 | } |
225 | |
226 | /** |
227 | * @return A reverse_iterator that refers to @c current - @a __n |
228 | * |
229 | * The underlying iterator must be a Random Access Iterator. |
230 | */ |
231 | reverse_iterator |
232 | operator+(difference_type __n) const |
233 | { return reverse_iterator(current - __n); } |
234 | |
235 | /** |
236 | * @return *this |
237 | * |
238 | * Moves the underlying iterator backwards @a __n steps. |
239 | * The underlying iterator must be a Random Access Iterator. |
240 | */ |
241 | reverse_iterator& |
242 | operator+=(difference_type __n) |
243 | { |
244 | current -= __n; |
245 | return *this; |
246 | } |
247 | |
248 | /** |
249 | * @return A reverse_iterator that refers to @c current - @a __n |
250 | * |
251 | * The underlying iterator must be a Random Access Iterator. |
252 | */ |
253 | reverse_iterator |
254 | operator-(difference_type __n) const |
255 | { return reverse_iterator(current + __n); } |
256 | |
257 | /** |
258 | * @return *this |
259 | * |
260 | * Moves the underlying iterator forwards @a __n steps. |
261 | * The underlying iterator must be a Random Access Iterator. |
262 | */ |
263 | reverse_iterator& |
264 | operator-=(difference_type __n) |
265 | { |
266 | current += __n; |
267 | return *this; |
268 | } |
269 | |
270 | /** |
271 | * @return The value at @c current - @a __n - 1 |
272 | * |
273 | * The underlying iterator must be a Random Access Iterator. |
274 | */ |
275 | reference |
276 | operator[](difference_type __n) const |
277 | { return *(*this + __n); } |
278 | }; |
279 | |
280 | //@{ |
281 | /** |
282 | * @param __x A %reverse_iterator. |
283 | * @param __y A %reverse_iterator. |
284 | * @return A simple bool. |
285 | * |
286 | * Reverse iterators forward many operations to their underlying base() |
287 | * iterators. Others are implemented in terms of one another. |
288 | * |
289 | */ |
290 | template<typename _Iterator> |
291 | inline bool |
292 | operator==(const reverse_iterator<_Iterator>& __x, |
293 | const reverse_iterator<_Iterator>& __y) |
294 | { return __x.base() == __y.base(); } |
295 | |
296 | template<typename _Iterator> |
297 | inline bool |
298 | operator<(const reverse_iterator<_Iterator>& __x, |
299 | const reverse_iterator<_Iterator>& __y) |
300 | { return __y.base() < __x.base(); } |
301 | |
302 | template<typename _Iterator> |
303 | inline bool |
304 | operator!=(const reverse_iterator<_Iterator>& __x, |
305 | const reverse_iterator<_Iterator>& __y) |
306 | { return !(__x == __y); } |
307 | |
308 | template<typename _Iterator> |
309 | inline bool |
310 | operator>(const reverse_iterator<_Iterator>& __x, |
311 | const reverse_iterator<_Iterator>& __y) |
312 | { return __y < __x; } |
313 | |
314 | template<typename _Iterator> |
315 | inline bool |
316 | operator<=(const reverse_iterator<_Iterator>& __x, |
317 | const reverse_iterator<_Iterator>& __y) |
318 | { return !(__y < __x); } |
319 | |
320 | template<typename _Iterator> |
321 | inline bool |
322 | operator>=(const reverse_iterator<_Iterator>& __x, |
323 | const reverse_iterator<_Iterator>& __y) |
324 | { return !(__x < __y); } |
325 | |
326 | template<typename _Iterator> |
327 | #if __cplusplus201402L < 201103L |
328 | inline typename reverse_iterator<_Iterator>::difference_type |
329 | operator-(const reverse_iterator<_Iterator>& __x, |
330 | const reverse_iterator<_Iterator>& __y) |
331 | #else |
332 | inline auto |
333 | operator-(const reverse_iterator<_Iterator>& __x, |
334 | const reverse_iterator<_Iterator>& __y) |
335 | -> decltype(__x.base() - __y.base()) |
336 | #endif |
337 | { return __y.base() - __x.base(); } |
338 | |
339 | template<typename _Iterator> |
340 | inline reverse_iterator<_Iterator> |
341 | operator+(typename reverse_iterator<_Iterator>::difference_type __n, |
342 | const reverse_iterator<_Iterator>& __x) |
343 | { return reverse_iterator<_Iterator>(__x.base() - __n); } |
344 | |
345 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
346 | // DR 280. Comparison of reverse_iterator to const reverse_iterator. |
347 | template<typename _IteratorL, typename _IteratorR> |
348 | inline bool |
349 | operator==(const reverse_iterator<_IteratorL>& __x, |
350 | const reverse_iterator<_IteratorR>& __y) |
351 | { return __x.base() == __y.base(); } |
352 | |
353 | template<typename _IteratorL, typename _IteratorR> |
354 | inline bool |
355 | operator<(const reverse_iterator<_IteratorL>& __x, |
356 | const reverse_iterator<_IteratorR>& __y) |
357 | { return __y.base() < __x.base(); } |
358 | |
359 | template<typename _IteratorL, typename _IteratorR> |
360 | inline bool |
361 | operator!=(const reverse_iterator<_IteratorL>& __x, |
362 | const reverse_iterator<_IteratorR>& __y) |
363 | { return !(__x == __y); } |
364 | |
365 | template<typename _IteratorL, typename _IteratorR> |
366 | inline bool |
367 | operator>(const reverse_iterator<_IteratorL>& __x, |
368 | const reverse_iterator<_IteratorR>& __y) |
369 | { return __y < __x; } |
370 | |
371 | template<typename _IteratorL, typename _IteratorR> |
372 | inline bool |
373 | operator<=(const reverse_iterator<_IteratorL>& __x, |
374 | const reverse_iterator<_IteratorR>& __y) |
375 | { return !(__y < __x); } |
376 | |
377 | template<typename _IteratorL, typename _IteratorR> |
378 | inline bool |
379 | operator>=(const reverse_iterator<_IteratorL>& __x, |
380 | const reverse_iterator<_IteratorR>& __y) |
381 | { return !(__x < __y); } |
382 | |
383 | template<typename _IteratorL, typename _IteratorR> |
384 | #if __cplusplus201402L >= 201103L |
385 | // DR 685. |
386 | inline auto |
387 | operator-(const reverse_iterator<_IteratorL>& __x, |
388 | const reverse_iterator<_IteratorR>& __y) |
389 | -> decltype(__y.base() - __x.base()) |
390 | #else |
391 | inline typename reverse_iterator<_IteratorL>::difference_type |
392 | operator-(const reverse_iterator<_IteratorL>& __x, |
393 | const reverse_iterator<_IteratorR>& __y) |
394 | #endif |
395 | { return __y.base() - __x.base(); } |
396 | //@} |
397 | |
398 | #if __cplusplus201402L >= 201103L |
399 | // Same as C++14 make_reverse_iterator but used in C++03 mode too. |
400 | template<typename _Iterator> |
401 | inline reverse_iterator<_Iterator> |
402 | __make_reverse_iterator(_Iterator __i) |
403 | { return reverse_iterator<_Iterator>(__i); } |
404 | |
405 | # if __cplusplus201402L > 201103L |
406 | # define __cpp_lib_make_reverse_iterator201402 201402 |
407 | |
408 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
409 | // DR 2285. make_reverse_iterator |
410 | /// Generator function for reverse_iterator. |
411 | template<typename _Iterator> |
412 | inline reverse_iterator<_Iterator> |
413 | make_reverse_iterator(_Iterator __i) |
414 | { return reverse_iterator<_Iterator>(__i); } |
415 | # endif |
416 | #endif |
417 | |
418 | #if __cplusplus201402L >= 201103L |
419 | template<typename _Iterator> |
420 | auto |
421 | __niter_base(reverse_iterator<_Iterator> __it) |
422 | -> decltype(__make_reverse_iterator(__niter_base(__it.base()))) |
423 | { return __make_reverse_iterator(__niter_base(__it.base())); } |
424 | |
425 | template<typename _Iterator> |
426 | struct __is_move_iterator<reverse_iterator<_Iterator> > |
427 | : __is_move_iterator<_Iterator> |
428 | { }; |
429 | |
430 | template<typename _Iterator> |
431 | auto |
432 | __miter_base(reverse_iterator<_Iterator> __it) |
433 | -> decltype(__make_reverse_iterator(__miter_base(__it.base()))) |
434 | { return __make_reverse_iterator(__miter_base(__it.base())); } |
435 | #endif |
436 | |
437 | // 24.4.2.2.1 back_insert_iterator |
438 | /** |
439 | * @brief Turns assignment into insertion. |
440 | * |
441 | * These are output iterators, constructed from a container-of-T. |
442 | * Assigning a T to the iterator appends it to the container using |
443 | * push_back. |
444 | * |
445 | * Tip: Using the back_inserter function to create these iterators can |
446 | * save typing. |
447 | */ |
448 | template<typename _Container> |
449 | class back_insert_iterator |
450 | : public iterator<output_iterator_tag, void, void, void, void> |
451 | { |
452 | protected: |
453 | _Container* container; |
454 | |
455 | public: |
456 | /// A nested typedef for the type of whatever container you used. |
457 | typedef _Container container_type; |
458 | |
459 | /// The only way to create this %iterator is with a container. |
460 | explicit |
461 | back_insert_iterator(_Container& __x) |
462 | : container(std::__addressof(__x)) { } |
463 | |
464 | /** |
465 | * @param __value An instance of whatever type |
466 | * container_type::const_reference is; presumably a |
467 | * reference-to-const T for container<T>. |
468 | * @return This %iterator, for chained operations. |
469 | * |
470 | * This kind of %iterator doesn't really have a @a position in the |
471 | * container (you can think of the position as being permanently at |
472 | * the end, if you like). Assigning a value to the %iterator will |
473 | * always append the value to the end of the container. |
474 | */ |
475 | #if __cplusplus201402L < 201103L |
476 | back_insert_iterator& |
477 | operator=(typename _Container::const_reference __value) |
478 | { |
479 | container->push_back(__value); |
480 | return *this; |
481 | } |
482 | #else |
483 | back_insert_iterator& |
484 | operator=(const typename _Container::value_type& __value) |
485 | { |
486 | container->push_back(__value); |
487 | return *this; |
488 | } |
489 | |
490 | back_insert_iterator& |
491 | operator=(typename _Container::value_type&& __value) |
492 | { |
493 | container->push_back(std::move(__value)); |
494 | return *this; |
495 | } |
496 | #endif |
497 | |
498 | /// Simply returns *this. |
499 | back_insert_iterator& |
500 | operator*() |
501 | { return *this; } |
502 | |
503 | /// Simply returns *this. (This %iterator does not @a move.) |
504 | back_insert_iterator& |
505 | operator++() |
506 | { return *this; } |
507 | |
508 | /// Simply returns *this. (This %iterator does not @a move.) |
509 | back_insert_iterator |
510 | operator++(int) |
511 | { return *this; } |
512 | }; |
513 | |
514 | /** |
515 | * @param __x A container of arbitrary type. |
516 | * @return An instance of back_insert_iterator working on @p __x. |
517 | * |
518 | * This wrapper function helps in creating back_insert_iterator instances. |
519 | * Typing the name of the %iterator requires knowing the precise full |
520 | * type of the container, which can be tedious and impedes generic |
521 | * programming. Using this function lets you take advantage of automatic |
522 | * template parameter deduction, making the compiler match the correct |
523 | * types for you. |
524 | */ |
525 | template<typename _Container> |
526 | inline back_insert_iterator<_Container> |
527 | back_inserter(_Container& __x) |
528 | { return back_insert_iterator<_Container>(__x); } |
529 | |
530 | /** |
531 | * @brief Turns assignment into insertion. |
532 | * |
533 | * These are output iterators, constructed from a container-of-T. |
534 | * Assigning a T to the iterator prepends it to the container using |
535 | * push_front. |
536 | * |
537 | * Tip: Using the front_inserter function to create these iterators can |
538 | * save typing. |
539 | */ |
540 | template<typename _Container> |
541 | class front_insert_iterator |
542 | : public iterator<output_iterator_tag, void, void, void, void> |
543 | { |
544 | protected: |
545 | _Container* container; |
546 | |
547 | public: |
548 | /// A nested typedef for the type of whatever container you used. |
549 | typedef _Container container_type; |
550 | |
551 | /// The only way to create this %iterator is with a container. |
552 | explicit front_insert_iterator(_Container& __x) |
553 | : container(std::__addressof(__x)) { } |
554 | |
555 | /** |
556 | * @param __value An instance of whatever type |
557 | * container_type::const_reference is; presumably a |
558 | * reference-to-const T for container<T>. |
559 | * @return This %iterator, for chained operations. |
560 | * |
561 | * This kind of %iterator doesn't really have a @a position in the |
562 | * container (you can think of the position as being permanently at |
563 | * the front, if you like). Assigning a value to the %iterator will |
564 | * always prepend the value to the front of the container. |
565 | */ |
566 | #if __cplusplus201402L < 201103L |
567 | front_insert_iterator& |
568 | operator=(typename _Container::const_reference __value) |
569 | { |
570 | container->push_front(__value); |
571 | return *this; |
572 | } |
573 | #else |
574 | front_insert_iterator& |
575 | operator=(const typename _Container::value_type& __value) |
576 | { |
577 | container->push_front(__value); |
578 | return *this; |
579 | } |
580 | |
581 | front_insert_iterator& |
582 | operator=(typename _Container::value_type&& __value) |
583 | { |
584 | container->push_front(std::move(__value)); |
585 | return *this; |
586 | } |
587 | #endif |
588 | |
589 | /// Simply returns *this. |
590 | front_insert_iterator& |
591 | operator*() |
592 | { return *this; } |
593 | |
594 | /// Simply returns *this. (This %iterator does not @a move.) |
595 | front_insert_iterator& |
596 | operator++() |
597 | { return *this; } |
598 | |
599 | /// Simply returns *this. (This %iterator does not @a move.) |
600 | front_insert_iterator |
601 | operator++(int) |
602 | { return *this; } |
603 | }; |
604 | |
605 | /** |
606 | * @param __x A container of arbitrary type. |
607 | * @return An instance of front_insert_iterator working on @p x. |
608 | * |
609 | * This wrapper function helps in creating front_insert_iterator instances. |
610 | * Typing the name of the %iterator requires knowing the precise full |
611 | * type of the container, which can be tedious and impedes generic |
612 | * programming. Using this function lets you take advantage of automatic |
613 | * template parameter deduction, making the compiler match the correct |
614 | * types for you. |
615 | */ |
616 | template<typename _Container> |
617 | inline front_insert_iterator<_Container> |
618 | front_inserter(_Container& __x) |
619 | { return front_insert_iterator<_Container>(__x); } |
620 | |
621 | /** |
622 | * @brief Turns assignment into insertion. |
623 | * |
624 | * These are output iterators, constructed from a container-of-T. |
625 | * Assigning a T to the iterator inserts it in the container at the |
626 | * %iterator's position, rather than overwriting the value at that |
627 | * position. |
628 | * |
629 | * (Sequences will actually insert a @e copy of the value before the |
630 | * %iterator's position.) |
631 | * |
632 | * Tip: Using the inserter function to create these iterators can |
633 | * save typing. |
634 | */ |
635 | template<typename _Container> |
636 | class insert_iterator |
637 | : public iterator<output_iterator_tag, void, void, void, void> |
638 | { |
639 | protected: |
640 | _Container* container; |
641 | typename _Container::iterator iter; |
642 | |
643 | public: |
644 | /// A nested typedef for the type of whatever container you used. |
645 | typedef _Container container_type; |
646 | |
647 | /** |
648 | * The only way to create this %iterator is with a container and an |
649 | * initial position (a normal %iterator into the container). |
650 | */ |
651 | insert_iterator(_Container& __x, typename _Container::iterator __i) |
652 | : container(std::__addressof(__x)), iter(__i) {} |
653 | |
654 | /** |
655 | * @param __value An instance of whatever type |
656 | * container_type::const_reference is; presumably a |
657 | * reference-to-const T for container<T>. |
658 | * @return This %iterator, for chained operations. |
659 | * |
660 | * This kind of %iterator maintains its own position in the |
661 | * container. Assigning a value to the %iterator will insert the |
662 | * value into the container at the place before the %iterator. |
663 | * |
664 | * The position is maintained such that subsequent assignments will |
665 | * insert values immediately after one another. For example, |
666 | * @code |
667 | * // vector v contains A and Z |
668 | * |
669 | * insert_iterator i (v, ++v.begin()); |
670 | * i = 1; |
671 | * i = 2; |
672 | * i = 3; |
673 | * |
674 | * // vector v contains A, 1, 2, 3, and Z |
675 | * @endcode |
676 | */ |
677 | #if __cplusplus201402L < 201103L |
678 | insert_iterator& |
679 | operator=(typename _Container::const_reference __value) |
680 | { |
681 | iter = container->insert(iter, __value); |
682 | ++iter; |
683 | return *this; |
684 | } |
685 | #else |
686 | insert_iterator& |
687 | operator=(const typename _Container::value_type& __value) |
688 | { |
689 | iter = container->insert(iter, __value); |
690 | ++iter; |
691 | return *this; |
692 | } |
693 | |
694 | insert_iterator& |
695 | operator=(typename _Container::value_type&& __value) |
696 | { |
697 | iter = container->insert(iter, std::move(__value)); |
698 | ++iter; |
699 | return *this; |
700 | } |
701 | #endif |
702 | |
703 | /// Simply returns *this. |
704 | insert_iterator& |
705 | operator*() |
706 | { return *this; } |
707 | |
708 | /// Simply returns *this. (This %iterator does not @a move.) |
709 | insert_iterator& |
710 | operator++() |
711 | { return *this; } |
712 | |
713 | /// Simply returns *this. (This %iterator does not @a move.) |
714 | insert_iterator& |
715 | operator++(int) |
716 | { return *this; } |
717 | }; |
718 | |
719 | /** |
720 | * @param __x A container of arbitrary type. |
721 | * @return An instance of insert_iterator working on @p __x. |
722 | * |
723 | * This wrapper function helps in creating insert_iterator instances. |
724 | * Typing the name of the %iterator requires knowing the precise full |
725 | * type of the container, which can be tedious and impedes generic |
726 | * programming. Using this function lets you take advantage of automatic |
727 | * template parameter deduction, making the compiler match the correct |
728 | * types for you. |
729 | */ |
730 | template<typename _Container, typename _Iterator> |
731 | inline insert_iterator<_Container> |
732 | inserter(_Container& __x, _Iterator __i) |
733 | { |
734 | return insert_iterator<_Container>(__x, |
735 | typename _Container::iterator(__i)); |
736 | } |
737 | |
738 | // @} group iterators |
739 | |
740 | _GLIBCXX_END_NAMESPACE_VERSION |
741 | } // namespace |
742 | |
743 | namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
744 | { |
745 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
746 | |
747 | // This iterator adapter is @a normal in the sense that it does not |
748 | // change the semantics of any of the operators of its iterator |
749 | // parameter. Its primary purpose is to convert an iterator that is |
750 | // not a class, e.g. a pointer, into an iterator that is a class. |
751 | // The _Container parameter exists solely so that different containers |
752 | // using this template can instantiate different types, even if the |
753 | // _Iterator parameter is the same. |
754 | using std::iterator_traits; |
755 | using std::iterator; |
756 | template<typename _Iterator, typename _Container> |
757 | class __normal_iterator |
758 | { |
759 | protected: |
760 | _Iterator _M_current; |
761 | |
762 | typedef iterator_traits<_Iterator> __traits_type; |
763 | |
764 | public: |
765 | typedef _Iterator iterator_type; |
766 | typedef typename __traits_type::iterator_category iterator_category; |
767 | typedef typename __traits_type::value_type value_type; |
768 | typedef typename __traits_type::difference_type difference_type; |
769 | typedef typename __traits_type::reference reference; |
770 | typedef typename __traits_type::pointer pointer; |
771 | |
772 | _GLIBCXX_CONSTEXPRconstexpr __normal_iterator() _GLIBCXX_NOEXCEPTnoexcept |
773 | : _M_current(_Iterator()) { } |
774 | |
775 | explicit |
776 | __normal_iterator(const _Iterator& __i) _GLIBCXX_NOEXCEPTnoexcept |
777 | : _M_current(__i) { } |
778 | |
779 | // Allow iterator to const_iterator conversion |
780 | template<typename _Iter> |
781 | __normal_iterator(const __normal_iterator<_Iter, |
782 | typename __enable_if< |
783 | (std::__are_same<_Iter, typename _Container::pointer>::__value), |
784 | _Container>::__type>& __i) _GLIBCXX_NOEXCEPTnoexcept |
785 | : _M_current(__i.base()) { } |
786 | |
787 | // Forward iterator requirements |
788 | reference |
789 | operator*() const _GLIBCXX_NOEXCEPTnoexcept |
790 | { return *_M_current; } |
791 | |
792 | pointer |
793 | operator->() const _GLIBCXX_NOEXCEPTnoexcept |
794 | { return _M_current; } |
795 | |
796 | __normal_iterator& |
797 | operator++() _GLIBCXX_NOEXCEPTnoexcept |
798 | { |
799 | ++_M_current; |
800 | return *this; |
801 | } |
802 | |
803 | __normal_iterator |
804 | operator++(int) _GLIBCXX_NOEXCEPTnoexcept |
805 | { return __normal_iterator(_M_current++); } |
806 | |
807 | // Bidirectional iterator requirements |
808 | __normal_iterator& |
809 | operator--() _GLIBCXX_NOEXCEPTnoexcept |
810 | { |
811 | --_M_current; |
812 | return *this; |
813 | } |
814 | |
815 | __normal_iterator |
816 | operator--(int) _GLIBCXX_NOEXCEPTnoexcept |
817 | { return __normal_iterator(_M_current--); } |
818 | |
819 | // Random access iterator requirements |
820 | reference |
821 | operator[](difference_type __n) const _GLIBCXX_NOEXCEPTnoexcept |
822 | { return _M_current[__n]; } |
823 | |
824 | __normal_iterator& |
825 | operator+=(difference_type __n) _GLIBCXX_NOEXCEPTnoexcept |
826 | { _M_current += __n; return *this; } |
827 | |
828 | __normal_iterator |
829 | operator+(difference_type __n) const _GLIBCXX_NOEXCEPTnoexcept |
830 | { return __normal_iterator(_M_current + __n); } |
831 | |
832 | __normal_iterator& |
833 | operator-=(difference_type __n) _GLIBCXX_NOEXCEPTnoexcept |
834 | { _M_current -= __n; return *this; } |
835 | |
836 | __normal_iterator |
837 | operator-(difference_type __n) const _GLIBCXX_NOEXCEPTnoexcept |
838 | { return __normal_iterator(_M_current - __n); } |
839 | |
840 | const _Iterator& |
841 | base() const _GLIBCXX_NOEXCEPTnoexcept |
842 | { return _M_current; } |
843 | }; |
844 | |
845 | // Note: In what follows, the left- and right-hand-side iterators are |
846 | // allowed to vary in types (conceptually in cv-qualification) so that |
847 | // comparison between cv-qualified and non-cv-qualified iterators be |
848 | // valid. However, the greedy and unfriendly operators in std::rel_ops |
849 | // will make overload resolution ambiguous (when in scope) if we don't |
850 | // provide overloads whose operands are of the same type. Can someone |
851 | // remind me what generic programming is about? -- Gaby |
852 | |
853 | // Forward iterator requirements |
854 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
855 | inline bool |
856 | operator==(const __normal_iterator<_IteratorL, _Container>& __lhs, |
857 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
858 | _GLIBCXX_NOEXCEPTnoexcept |
859 | { return __lhs.base() == __rhs.base(); } |
860 | |
861 | template<typename _Iterator, typename _Container> |
862 | inline bool |
863 | operator==(const __normal_iterator<_Iterator, _Container>& __lhs, |
864 | const __normal_iterator<_Iterator, _Container>& __rhs) |
865 | _GLIBCXX_NOEXCEPTnoexcept |
866 | { return __lhs.base() == __rhs.base(); } |
867 | |
868 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
869 | inline bool |
870 | operator!=(const __normal_iterator<_IteratorL, _Container>& __lhs, |
871 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
872 | _GLIBCXX_NOEXCEPTnoexcept |
873 | { return __lhs.base() != __rhs.base(); } |
874 | |
875 | template<typename _Iterator, typename _Container> |
876 | inline bool |
877 | operator!=(const __normal_iterator<_Iterator, _Container>& __lhs, |
878 | const __normal_iterator<_Iterator, _Container>& __rhs) |
879 | _GLIBCXX_NOEXCEPTnoexcept |
880 | { return __lhs.base() != __rhs.base(); } |
881 | |
882 | // Random access iterator requirements |
883 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
884 | inline bool |
885 | operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, |
886 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
887 | _GLIBCXX_NOEXCEPTnoexcept |
888 | { return __lhs.base() < __rhs.base(); } |
889 | |
890 | template<typename _Iterator, typename _Container> |
891 | inline bool |
892 | operator<(const __normal_iterator<_Iterator, _Container>& __lhs, |
893 | const __normal_iterator<_Iterator, _Container>& __rhs) |
894 | _GLIBCXX_NOEXCEPTnoexcept |
895 | { return __lhs.base() < __rhs.base(); } |
896 | |
897 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
898 | inline bool |
899 | operator>(const __normal_iterator<_IteratorL, _Container>& __lhs, |
900 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
901 | _GLIBCXX_NOEXCEPTnoexcept |
902 | { return __lhs.base() > __rhs.base(); } |
903 | |
904 | template<typename _Iterator, typename _Container> |
905 | inline bool |
906 | operator>(const __normal_iterator<_Iterator, _Container>& __lhs, |
907 | const __normal_iterator<_Iterator, _Container>& __rhs) |
908 | _GLIBCXX_NOEXCEPTnoexcept |
909 | { return __lhs.base() > __rhs.base(); } |
910 | |
911 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
912 | inline bool |
913 | operator<=(const __normal_iterator<_IteratorL, _Container>& __lhs, |
914 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
915 | _GLIBCXX_NOEXCEPTnoexcept |
916 | { return __lhs.base() <= __rhs.base(); } |
917 | |
918 | template<typename _Iterator, typename _Container> |
919 | inline bool |
920 | operator<=(const __normal_iterator<_Iterator, _Container>& __lhs, |
921 | const __normal_iterator<_Iterator, _Container>& __rhs) |
922 | _GLIBCXX_NOEXCEPTnoexcept |
923 | { return __lhs.base() <= __rhs.base(); } |
924 | |
925 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
926 | inline bool |
927 | operator>=(const __normal_iterator<_IteratorL, _Container>& __lhs, |
928 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
929 | _GLIBCXX_NOEXCEPTnoexcept |
930 | { return __lhs.base() >= __rhs.base(); } |
931 | |
932 | template<typename _Iterator, typename _Container> |
933 | inline bool |
934 | operator>=(const __normal_iterator<_Iterator, _Container>& __lhs, |
935 | const __normal_iterator<_Iterator, _Container>& __rhs) |
936 | _GLIBCXX_NOEXCEPTnoexcept |
937 | { return __lhs.base() >= __rhs.base(); } |
938 | |
939 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
940 | // According to the resolution of DR179 not only the various comparison |
941 | // operators but also operator- must accept mixed iterator/const_iterator |
942 | // parameters. |
943 | template<typename _IteratorL, typename _IteratorR, typename _Container> |
944 | #if __cplusplus201402L >= 201103L |
945 | // DR 685. |
946 | inline auto |
947 | operator-(const __normal_iterator<_IteratorL, _Container>& __lhs, |
948 | const __normal_iterator<_IteratorR, _Container>& __rhs) noexcept |
949 | -> decltype(__lhs.base() - __rhs.base()) |
950 | #else |
951 | inline typename __normal_iterator<_IteratorL, _Container>::difference_type |
952 | operator-(const __normal_iterator<_IteratorL, _Container>& __lhs, |
953 | const __normal_iterator<_IteratorR, _Container>& __rhs) |
954 | #endif |
955 | { return __lhs.base() - __rhs.base(); } |
956 | |
957 | template<typename _Iterator, typename _Container> |
958 | inline typename __normal_iterator<_Iterator, _Container>::difference_type |
959 | operator-(const __normal_iterator<_Iterator, _Container>& __lhs, |
960 | const __normal_iterator<_Iterator, _Container>& __rhs) |
961 | _GLIBCXX_NOEXCEPTnoexcept |
962 | { return __lhs.base() - __rhs.base(); } |
963 | |
964 | template<typename _Iterator, typename _Container> |
965 | inline __normal_iterator<_Iterator, _Container> |
966 | operator+(typename __normal_iterator<_Iterator, _Container>::difference_type |
967 | __n, const __normal_iterator<_Iterator, _Container>& __i) |
968 | _GLIBCXX_NOEXCEPTnoexcept |
969 | { return __normal_iterator<_Iterator, _Container>(__i.base() + __n); } |
970 | |
971 | _GLIBCXX_END_NAMESPACE_VERSION |
972 | } // namespace |
973 | |
974 | namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
975 | { |
976 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
977 | |
978 | template<typename _Iterator, typename _Container> |
979 | _Iterator |
980 | __niter_base(__gnu_cxx::__normal_iterator<_Iterator, _Container> __it) |
981 | { return __it.base(); } |
982 | |
983 | _GLIBCXX_END_NAMESPACE_VERSION |
984 | } // namespace |
985 | |
986 | #if __cplusplus201402L >= 201103L |
987 | |
988 | namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
989 | { |
990 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
991 | |
992 | /** |
993 | * @addtogroup iterators |
994 | * @{ |
995 | */ |
996 | |
997 | // 24.4.3 Move iterators |
998 | /** |
999 | * Class template move_iterator is an iterator adapter with the same |
1000 | * behavior as the underlying iterator except that its dereference |
1001 | * operator implicitly converts the value returned by the underlying |
1002 | * iterator's dereference operator to an rvalue reference. Some |
1003 | * generic algorithms can be called with move iterators to replace |
1004 | * copying with moving. |
1005 | */ |
1006 | template<typename _Iterator> |
1007 | class move_iterator |
1008 | { |
1009 | protected: |
1010 | _Iterator _M_current; |
1011 | |
1012 | typedef iterator_traits<_Iterator> __traits_type; |
1013 | typedef typename __traits_type::reference __base_ref; |
1014 | |
1015 | public: |
1016 | typedef _Iterator iterator_type; |
1017 | typedef typename __traits_type::iterator_category iterator_category; |
1018 | typedef typename __traits_type::value_type value_type; |
1019 | typedef typename __traits_type::difference_type difference_type; |
1020 | // NB: DR 680. |
1021 | typedef _Iterator pointer; |
1022 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
1023 | // 2106. move_iterator wrapping iterators returning prvalues |
1024 | typedef typename conditional<is_reference<__base_ref>::value, |
1025 | typename remove_reference<__base_ref>::type&&, |
1026 | __base_ref>::type reference; |
1027 | |
1028 | move_iterator() |
1029 | : _M_current() { } |
1030 | |
1031 | explicit |
1032 | move_iterator(iterator_type __i) |
1033 | : _M_current(__i) { } |
1034 | |
1035 | template<typename _Iter> |
1036 | move_iterator(const move_iterator<_Iter>& __i) |
1037 | : _M_current(__i.base()) { } |
1038 | |
1039 | iterator_type |
1040 | base() const |
1041 | { return _M_current; } |
1042 | |
1043 | reference |
1044 | operator*() const |
1045 | { return static_cast<reference>(*_M_current); } |
1046 | |
1047 | pointer |
1048 | operator->() const |
1049 | { return _M_current; } |
1050 | |
1051 | move_iterator& |
1052 | operator++() |
1053 | { |
1054 | ++_M_current; |
1055 | return *this; |
1056 | } |
1057 | |
1058 | move_iterator |
1059 | operator++(int) |
1060 | { |
1061 | move_iterator __tmp = *this; |
1062 | ++_M_current; |
1063 | return __tmp; |
1064 | } |
1065 | |
1066 | move_iterator& |
1067 | operator--() |
1068 | { |
1069 | --_M_current; |
1070 | return *this; |
1071 | } |
1072 | |
1073 | move_iterator |
1074 | operator--(int) |
1075 | { |
1076 | move_iterator __tmp = *this; |
1077 | --_M_current; |
1078 | return __tmp; |
1079 | } |
1080 | |
1081 | move_iterator |
1082 | operator+(difference_type __n) const |
1083 | { return move_iterator(_M_current + __n); } |
1084 | |
1085 | move_iterator& |
1086 | operator+=(difference_type __n) |
1087 | { |
1088 | _M_current += __n; |
1089 | return *this; |
1090 | } |
1091 | |
1092 | move_iterator |
1093 | operator-(difference_type __n) const |
1094 | { return move_iterator(_M_current - __n); } |
1095 | |
1096 | move_iterator& |
1097 | operator-=(difference_type __n) |
1098 | { |
1099 | _M_current -= __n; |
1100 | return *this; |
1101 | } |
1102 | |
1103 | reference |
1104 | operator[](difference_type __n) const |
1105 | { return std::move(_M_current[__n]); } |
1106 | }; |
1107 | |
1108 | // Note: See __normal_iterator operators note from Gaby to understand |
1109 | // why there are always 2 versions for most of the move_iterator |
1110 | // operators. |
1111 | template<typename _IteratorL, typename _IteratorR> |
1112 | inline bool |
1113 | operator==(const move_iterator<_IteratorL>& __x, |
1114 | const move_iterator<_IteratorR>& __y) |
1115 | { return __x.base() == __y.base(); } |
1116 | |
1117 | template<typename _Iterator> |
1118 | inline bool |
1119 | operator==(const move_iterator<_Iterator>& __x, |
1120 | const move_iterator<_Iterator>& __y) |
1121 | { return __x.base() == __y.base(); } |
1122 | |
1123 | template<typename _IteratorL, typename _IteratorR> |
1124 | inline bool |
1125 | operator!=(const move_iterator<_IteratorL>& __x, |
1126 | const move_iterator<_IteratorR>& __y) |
1127 | { return !(__x == __y); } |
1128 | |
1129 | template<typename _Iterator> |
1130 | inline bool |
1131 | operator!=(const move_iterator<_Iterator>& __x, |
1132 | const move_iterator<_Iterator>& __y) |
1133 | { return !(__x == __y); } |
1134 | |
1135 | template<typename _IteratorL, typename _IteratorR> |
1136 | inline bool |
1137 | operator<(const move_iterator<_IteratorL>& __x, |
1138 | const move_iterator<_IteratorR>& __y) |
1139 | { return __x.base() < __y.base(); } |
1140 | |
1141 | template<typename _Iterator> |
1142 | inline bool |
1143 | operator<(const move_iterator<_Iterator>& __x, |
1144 | const move_iterator<_Iterator>& __y) |
1145 | { return __x.base() < __y.base(); } |
1146 | |
1147 | template<typename _IteratorL, typename _IteratorR> |
1148 | inline bool |
1149 | operator<=(const move_iterator<_IteratorL>& __x, |
1150 | const move_iterator<_IteratorR>& __y) |
1151 | { return !(__y < __x); } |
1152 | |
1153 | template<typename _Iterator> |
1154 | inline bool |
1155 | operator<=(const move_iterator<_Iterator>& __x, |
1156 | const move_iterator<_Iterator>& __y) |
1157 | { return !(__y < __x); } |
1158 | |
1159 | template<typename _IteratorL, typename _IteratorR> |
1160 | inline bool |
1161 | operator>(const move_iterator<_IteratorL>& __x, |
1162 | const move_iterator<_IteratorR>& __y) |
1163 | { return __y < __x; } |
1164 | |
1165 | template<typename _Iterator> |
1166 | inline bool |
1167 | operator>(const move_iterator<_Iterator>& __x, |
1168 | const move_iterator<_Iterator>& __y) |
1169 | { return __y < __x; } |
1170 | |
1171 | template<typename _IteratorL, typename _IteratorR> |
1172 | inline bool |
1173 | operator>=(const move_iterator<_IteratorL>& __x, |
1174 | const move_iterator<_IteratorR>& __y) |
1175 | { return !(__x < __y); } |
1176 | |
1177 | template<typename _Iterator> |
1178 | inline bool |
1179 | operator>=(const move_iterator<_Iterator>& __x, |
1180 | const move_iterator<_Iterator>& __y) |
1181 | { return !(__x < __y); } |
1182 | |
1183 | // DR 685. |
1184 | template<typename _IteratorL, typename _IteratorR> |
1185 | inline auto |
1186 | operator-(const move_iterator<_IteratorL>& __x, |
1187 | const move_iterator<_IteratorR>& __y) |
1188 | -> decltype(__x.base() - __y.base()) |
1189 | { return __x.base() - __y.base(); } |
1190 | |
1191 | template<typename _Iterator> |
1192 | inline auto |
1193 | operator-(const move_iterator<_Iterator>& __x, |
1194 | const move_iterator<_Iterator>& __y) |
1195 | -> decltype(__x.base() - __y.base()) |
1196 | { return __x.base() - __y.base(); } |
1197 | |
1198 | template<typename _Iterator> |
1199 | inline move_iterator<_Iterator> |
1200 | operator+(typename move_iterator<_Iterator>::difference_type __n, |
1201 | const move_iterator<_Iterator>& __x) |
1202 | { return __x + __n; } |
1203 | |
1204 | template<typename _Iterator> |
1205 | inline move_iterator<_Iterator> |
1206 | make_move_iterator(_Iterator __i) |
1207 | { return move_iterator<_Iterator>(__i); } |
1208 | |
1209 | template<typename _Iterator, typename _ReturnType |
1210 | = typename conditional<__move_if_noexcept_cond |
1211 | <typename iterator_traits<_Iterator>::value_type>::value, |
1212 | _Iterator, move_iterator<_Iterator>>::type> |
1213 | inline _ReturnType |
1214 | __make_move_if_noexcept_iterator(_Iterator __i) |
1215 | { return _ReturnType(__i); } |
1216 | |
1217 | // Overload for pointers that matches std::move_if_noexcept more closely, |
1218 | // returning a constant iterator when we don't want to move. |
1219 | template<typename _Tp, typename _ReturnType |
1220 | = typename conditional<__move_if_noexcept_cond<_Tp>::value, |
1221 | const _Tp*, move_iterator<_Tp*>>::type> |
1222 | inline _ReturnType |
1223 | __make_move_if_noexcept_iterator(_Tp* __i) |
1224 | { return _ReturnType(__i); } |
1225 | |
1226 | // @} group iterators |
1227 | |
1228 | template<typename _Iterator> |
1229 | auto |
1230 | __niter_base(move_iterator<_Iterator> __it) |
1231 | -> decltype(make_move_iterator(__niter_base(__it.base()))) |
1232 | { return make_move_iterator(__niter_base(__it.base())); } |
1233 | |
1234 | template<typename _Iterator> |
1235 | struct __is_move_iterator<move_iterator<_Iterator> > |
1236 | { |
1237 | enum { __value = 1 }; |
1238 | typedef __true_type __type; |
1239 | }; |
1240 | |
1241 | template<typename _Iterator> |
1242 | auto |
1243 | __miter_base(move_iterator<_Iterator> __it) |
1244 | -> decltype(__miter_base(__it.base())) |
1245 | { return __miter_base(__it.base()); } |
1246 | |
1247 | _GLIBCXX_END_NAMESPACE_VERSION |
1248 | } // namespace |
1249 | |
1250 | #define _GLIBCXX_MAKE_MOVE_ITERATOR(_Iter)std::make_move_iterator(_Iter) std::make_move_iterator(_Iter) |
1251 | #define _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(_Iter)std::__make_move_if_noexcept_iterator(_Iter) \ |
1252 | std::__make_move_if_noexcept_iterator(_Iter) |
1253 | #else |
1254 | #define _GLIBCXX_MAKE_MOVE_ITERATOR(_Iter)std::make_move_iterator(_Iter) (_Iter) |
1255 | #define _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(_Iter)std::__make_move_if_noexcept_iterator(_Iter) (_Iter) |
1256 | #endif // C++11 |
1257 | |
1258 | #ifdef _GLIBCXX_DEBUG |
1259 | # include <debug/stl_iterator.h> |
1260 | #endif |
1261 | |
1262 | #endif |