File: | clang/lib/CodeGen/CGOpenMPRuntime.cpp |
Warning: | line 8371, column 15 Called C++ object pointer is null |
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1 | //===----- CGOpenMPRuntime.cpp - Interface to OpenMP Runtimes -------------===// | ||||
2 | // | ||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
6 | // | ||||
7 | //===----------------------------------------------------------------------===// | ||||
8 | // | ||||
9 | // This provides a class for OpenMP runtime code generation. | ||||
10 | // | ||||
11 | //===----------------------------------------------------------------------===// | ||||
12 | |||||
13 | #include "CGOpenMPRuntime.h" | ||||
14 | #include "CGCXXABI.h" | ||||
15 | #include "CGCleanup.h" | ||||
16 | #include "CGRecordLayout.h" | ||||
17 | #include "CodeGenFunction.h" | ||||
18 | #include "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/OpenMPKinds.h" | ||||
25 | #include "clang/CodeGen/ConstantInitBuilder.h" | ||||
26 | #include "llvm/ADT/ArrayRef.h" | ||||
27 | #include "llvm/ADT/SetOperations.h" | ||||
28 | #include "llvm/ADT/StringExtras.h" | ||||
29 | #include "llvm/Bitcode/BitcodeReader.h" | ||||
30 | #include "llvm/Frontend/OpenMP/OMPIRBuilder.h" | ||||
31 | #include "llvm/IR/DerivedTypes.h" | ||||
32 | #include "llvm/IR/GlobalValue.h" | ||||
33 | #include "llvm/IR/Value.h" | ||||
34 | #include "llvm/Support/AtomicOrdering.h" | ||||
35 | #include "llvm/Support/Format.h" | ||||
36 | #include "llvm/Support/raw_ostream.h" | ||||
37 | #include <cassert> | ||||
38 | |||||
39 | using namespace clang; | ||||
40 | using namespace CodeGen; | ||||
41 | using namespace llvm::omp; | ||||
42 | |||||
43 | namespace { | ||||
44 | /// Base class for handling code generation inside OpenMP regions. | ||||
45 | class CGOpenMPRegionInfo : public CodeGenFunction::CGCapturedStmtInfo { | ||||
46 | public: | ||||
47 | /// Kinds of OpenMP regions used in codegen. | ||||
48 | enum CGOpenMPRegionKind { | ||||
49 | /// Region with outlined function for standalone 'parallel' | ||||
50 | /// directive. | ||||
51 | ParallelOutlinedRegion, | ||||
52 | /// Region with outlined function for standalone 'task' directive. | ||||
53 | TaskOutlinedRegion, | ||||
54 | /// Region for constructs that do not require function outlining, | ||||
55 | /// like 'for', 'sections', 'atomic' etc. directives. | ||||
56 | InlinedRegion, | ||||
57 | /// Region with outlined function for standalone 'target' directive. | ||||
58 | TargetRegion, | ||||
59 | }; | ||||
60 | |||||
61 | CGOpenMPRegionInfo(const CapturedStmt &CS, | ||||
62 | const CGOpenMPRegionKind RegionKind, | ||||
63 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | ||||
64 | bool HasCancel) | ||||
65 | : CGCapturedStmtInfo(CS, CR_OpenMP), RegionKind(RegionKind), | ||||
66 | CodeGen(CodeGen), Kind(Kind), HasCancel(HasCancel) {} | ||||
67 | |||||
68 | CGOpenMPRegionInfo(const CGOpenMPRegionKind RegionKind, | ||||
69 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | ||||
70 | bool HasCancel) | ||||
71 | : CGCapturedStmtInfo(CR_OpenMP), RegionKind(RegionKind), CodeGen(CodeGen), | ||||
72 | Kind(Kind), HasCancel(HasCancel) {} | ||||
73 | |||||
74 | /// Get a variable or parameter for storing global thread id | ||||
75 | /// inside OpenMP construct. | ||||
76 | virtual const VarDecl *getThreadIDVariable() const = 0; | ||||
77 | |||||
78 | /// Emit the captured statement body. | ||||
79 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override; | ||||
80 | |||||
81 | /// Get an LValue for the current ThreadID variable. | ||||
82 | /// \return LValue for thread id variable. This LValue always has type int32*. | ||||
83 | virtual LValue getThreadIDVariableLValue(CodeGenFunction &CGF); | ||||
84 | |||||
85 | virtual void emitUntiedSwitch(CodeGenFunction & /*CGF*/) {} | ||||
86 | |||||
87 | CGOpenMPRegionKind getRegionKind() const { return RegionKind; } | ||||
88 | |||||
89 | OpenMPDirectiveKind getDirectiveKind() const { return Kind; } | ||||
90 | |||||
91 | bool hasCancel() const { return HasCancel; } | ||||
92 | |||||
93 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||
94 | return Info->getKind() == CR_OpenMP; | ||||
95 | } | ||||
96 | |||||
97 | ~CGOpenMPRegionInfo() override = default; | ||||
98 | |||||
99 | protected: | ||||
100 | CGOpenMPRegionKind RegionKind; | ||||
101 | RegionCodeGenTy CodeGen; | ||||
102 | OpenMPDirectiveKind Kind; | ||||
103 | bool HasCancel; | ||||
104 | }; | ||||
105 | |||||
106 | /// API for captured statement code generation in OpenMP constructs. | ||||
107 | class CGOpenMPOutlinedRegionInfo final : public CGOpenMPRegionInfo { | ||||
108 | public: | ||||
109 | CGOpenMPOutlinedRegionInfo(const CapturedStmt &CS, const VarDecl *ThreadIDVar, | ||||
110 | const RegionCodeGenTy &CodeGen, | ||||
111 | OpenMPDirectiveKind Kind, bool HasCancel, | ||||
112 | StringRef HelperName) | ||||
113 | : CGOpenMPRegionInfo(CS, ParallelOutlinedRegion, CodeGen, Kind, | ||||
114 | HasCancel), | ||||
115 | ThreadIDVar(ThreadIDVar), HelperName(HelperName) { | ||||
116 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 116, __PRETTY_FUNCTION__)); | ||||
117 | } | ||||
118 | |||||
119 | /// Get a variable or parameter for storing global thread id | ||||
120 | /// inside OpenMP construct. | ||||
121 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | ||||
122 | |||||
123 | /// Get the name of the capture helper. | ||||
124 | StringRef getHelperName() const override { return HelperName; } | ||||
125 | |||||
126 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||
127 | return CGOpenMPRegionInfo::classof(Info) && | ||||
128 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | ||||
129 | ParallelOutlinedRegion; | ||||
130 | } | ||||
131 | |||||
132 | private: | ||||
133 | /// A variable or parameter storing global thread id for OpenMP | ||||
134 | /// constructs. | ||||
135 | const VarDecl *ThreadIDVar; | ||||
136 | StringRef HelperName; | ||||
137 | }; | ||||
138 | |||||
139 | /// API for captured statement code generation in OpenMP constructs. | ||||
140 | class CGOpenMPTaskOutlinedRegionInfo final : public CGOpenMPRegionInfo { | ||||
141 | public: | ||||
142 | class UntiedTaskActionTy final : public PrePostActionTy { | ||||
143 | bool Untied; | ||||
144 | const VarDecl *PartIDVar; | ||||
145 | const RegionCodeGenTy UntiedCodeGen; | ||||
146 | llvm::SwitchInst *UntiedSwitch = nullptr; | ||||
147 | |||||
148 | public: | ||||
149 | UntiedTaskActionTy(bool Tied, const VarDecl *PartIDVar, | ||||
150 | const RegionCodeGenTy &UntiedCodeGen) | ||||
151 | : Untied(!Tied), PartIDVar(PartIDVar), UntiedCodeGen(UntiedCodeGen) {} | ||||
152 | void Enter(CodeGenFunction &CGF) override { | ||||
153 | if (Untied) { | ||||
154 | // Emit task switching point. | ||||
155 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | ||||
156 | CGF.GetAddrOfLocalVar(PartIDVar), | ||||
157 | PartIDVar->getType()->castAs<PointerType>()); | ||||
158 | llvm::Value *Res = | ||||
159 | CGF.EmitLoadOfScalar(PartIdLVal, PartIDVar->getLocation()); | ||||
160 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock(".untied.done."); | ||||
161 | UntiedSwitch = CGF.Builder.CreateSwitch(Res, DoneBB); | ||||
162 | CGF.EmitBlock(DoneBB); | ||||
163 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | ||||
164 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | ||||
165 | UntiedSwitch->addCase(CGF.Builder.getInt32(0), | ||||
166 | CGF.Builder.GetInsertBlock()); | ||||
167 | emitUntiedSwitch(CGF); | ||||
168 | } | ||||
169 | } | ||||
170 | void emitUntiedSwitch(CodeGenFunction &CGF) const { | ||||
171 | if (Untied) { | ||||
172 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | ||||
173 | CGF.GetAddrOfLocalVar(PartIDVar), | ||||
174 | PartIDVar->getType()->castAs<PointerType>()); | ||||
175 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | ||||
176 | PartIdLVal); | ||||
177 | UntiedCodeGen(CGF); | ||||
178 | CodeGenFunction::JumpDest CurPoint = | ||||
179 | CGF.getJumpDestInCurrentScope(".untied.next."); | ||||
180 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | ||||
181 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | ||||
182 | UntiedSwitch->addCase(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | ||||
183 | CGF.Builder.GetInsertBlock()); | ||||
184 | CGF.EmitBranchThroughCleanup(CurPoint); | ||||
185 | CGF.EmitBlock(CurPoint.getBlock()); | ||||
186 | } | ||||
187 | } | ||||
188 | unsigned getNumberOfParts() const { return UntiedSwitch->getNumCases(); } | ||||
189 | }; | ||||
190 | CGOpenMPTaskOutlinedRegionInfo(const CapturedStmt &CS, | ||||
191 | const VarDecl *ThreadIDVar, | ||||
192 | const RegionCodeGenTy &CodeGen, | ||||
193 | OpenMPDirectiveKind Kind, bool HasCancel, | ||||
194 | const UntiedTaskActionTy &Action) | ||||
195 | : CGOpenMPRegionInfo(CS, TaskOutlinedRegion, CodeGen, Kind, HasCancel), | ||||
196 | ThreadIDVar(ThreadIDVar), Action(Action) { | ||||
197 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 197, __PRETTY_FUNCTION__)); | ||||
198 | } | ||||
199 | |||||
200 | /// Get a variable or parameter for storing global thread id | ||||
201 | /// inside OpenMP construct. | ||||
202 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | ||||
203 | |||||
204 | /// Get an LValue for the current ThreadID variable. | ||||
205 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override; | ||||
206 | |||||
207 | /// Get the name of the capture helper. | ||||
208 | StringRef getHelperName() const override { return ".omp_outlined."; } | ||||
209 | |||||
210 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | ||||
211 | Action.emitUntiedSwitch(CGF); | ||||
212 | } | ||||
213 | |||||
214 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||
215 | return CGOpenMPRegionInfo::classof(Info) && | ||||
216 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | ||||
217 | TaskOutlinedRegion; | ||||
218 | } | ||||
219 | |||||
220 | private: | ||||
221 | /// A variable or parameter storing global thread id for OpenMP | ||||
222 | /// constructs. | ||||
223 | const VarDecl *ThreadIDVar; | ||||
224 | /// Action for emitting code for untied tasks. | ||||
225 | const UntiedTaskActionTy &Action; | ||||
226 | }; | ||||
227 | |||||
228 | /// API for inlined captured statement code generation in OpenMP | ||||
229 | /// constructs. | ||||
230 | class CGOpenMPInlinedRegionInfo : public CGOpenMPRegionInfo { | ||||
231 | public: | ||||
232 | CGOpenMPInlinedRegionInfo(CodeGenFunction::CGCapturedStmtInfo *OldCSI, | ||||
233 | const RegionCodeGenTy &CodeGen, | ||||
234 | OpenMPDirectiveKind Kind, bool HasCancel) | ||||
235 | : CGOpenMPRegionInfo(InlinedRegion, CodeGen, Kind, HasCancel), | ||||
236 | OldCSI(OldCSI), | ||||
237 | OuterRegionInfo(dyn_cast_or_null<CGOpenMPRegionInfo>(OldCSI)) {} | ||||
238 | |||||
239 | // Retrieve the value of the context parameter. | ||||
240 | llvm::Value *getContextValue() const override { | ||||
241 | if (OuterRegionInfo) | ||||
242 | return OuterRegionInfo->getContextValue(); | ||||
243 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 243); | ||||
244 | } | ||||
245 | |||||
246 | void setContextValue(llvm::Value *V) override { | ||||
247 | if (OuterRegionInfo) { | ||||
248 | OuterRegionInfo->setContextValue(V); | ||||
249 | return; | ||||
250 | } | ||||
251 | llvm_unreachable("No context value for inlined OpenMP region")::llvm::llvm_unreachable_internal("No context value for inlined OpenMP region" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 251); | ||||
252 | } | ||||
253 | |||||
254 | /// Lookup the captured field decl for a variable. | ||||
255 | const FieldDecl *lookup(const VarDecl *VD) const override { | ||||
256 | if (OuterRegionInfo) | ||||
257 | return OuterRegionInfo->lookup(VD); | ||||
258 | // If there is no outer outlined region,no need to lookup in a list of | ||||
259 | // captured variables, we can use the original one. | ||||
260 | return nullptr; | ||||
261 | } | ||||
262 | |||||
263 | FieldDecl *getThisFieldDecl() const override { | ||||
264 | if (OuterRegionInfo) | ||||
265 | return OuterRegionInfo->getThisFieldDecl(); | ||||
266 | return nullptr; | ||||
267 | } | ||||
268 | |||||
269 | /// Get a variable or parameter for storing global thread id | ||||
270 | /// inside OpenMP construct. | ||||
271 | const VarDecl *getThreadIDVariable() const override { | ||||
272 | if (OuterRegionInfo) | ||||
273 | return OuterRegionInfo->getThreadIDVariable(); | ||||
274 | return nullptr; | ||||
275 | } | ||||
276 | |||||
277 | /// Get an LValue for the current ThreadID variable. | ||||
278 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override { | ||||
279 | if (OuterRegionInfo) | ||||
280 | return OuterRegionInfo->getThreadIDVariableLValue(CGF); | ||||
281 | llvm_unreachable("No LValue for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No LValue for inlined OpenMP construct" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 281); | ||||
282 | } | ||||
283 | |||||
284 | /// Get the name of the capture helper. | ||||
285 | StringRef getHelperName() const override { | ||||
286 | if (auto *OuterRegionInfo = getOldCSI()) | ||||
287 | return OuterRegionInfo->getHelperName(); | ||||
288 | llvm_unreachable("No helper name for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No helper name for inlined OpenMP construct" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 288); | ||||
289 | } | ||||
290 | |||||
291 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | ||||
292 | if (OuterRegionInfo) | ||||
293 | OuterRegionInfo->emitUntiedSwitch(CGF); | ||||
294 | } | ||||
295 | |||||
296 | CodeGenFunction::CGCapturedStmtInfo *getOldCSI() const { return OldCSI; } | ||||
297 | |||||
298 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||
299 | return CGOpenMPRegionInfo::classof(Info) && | ||||
300 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == InlinedRegion; | ||||
301 | } | ||||
302 | |||||
303 | ~CGOpenMPInlinedRegionInfo() override = default; | ||||
304 | |||||
305 | private: | ||||
306 | /// CodeGen info about outer OpenMP region. | ||||
307 | CodeGenFunction::CGCapturedStmtInfo *OldCSI; | ||||
308 | CGOpenMPRegionInfo *OuterRegionInfo; | ||||
309 | }; | ||||
310 | |||||
311 | /// API for captured statement code generation in OpenMP target | ||||
312 | /// constructs. For this captures, implicit parameters are used instead of the | ||||
313 | /// captured fields. The name of the target region has to be unique in a given | ||||
314 | /// application so it is provided by the client, because only the client has | ||||
315 | /// the information to generate that. | ||||
316 | class CGOpenMPTargetRegionInfo final : public CGOpenMPRegionInfo { | ||||
317 | public: | ||||
318 | CGOpenMPTargetRegionInfo(const CapturedStmt &CS, | ||||
319 | const RegionCodeGenTy &CodeGen, StringRef HelperName) | ||||
320 | : CGOpenMPRegionInfo(CS, TargetRegion, CodeGen, OMPD_target, | ||||
321 | /*HasCancel=*/false), | ||||
322 | HelperName(HelperName) {} | ||||
323 | |||||
324 | /// This is unused for target regions because each starts executing | ||||
325 | /// with a single thread. | ||||
326 | const VarDecl *getThreadIDVariable() const override { return nullptr; } | ||||
327 | |||||
328 | /// Get the name of the capture helper. | ||||
329 | StringRef getHelperName() const override { return HelperName; } | ||||
330 | |||||
331 | static bool classof(const CGCapturedStmtInfo *Info) { | ||||
332 | return CGOpenMPRegionInfo::classof(Info) && | ||||
333 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == TargetRegion; | ||||
334 | } | ||||
335 | |||||
336 | private: | ||||
337 | StringRef HelperName; | ||||
338 | }; | ||||
339 | |||||
340 | static void EmptyCodeGen(CodeGenFunction &, PrePostActionTy &) { | ||||
341 | llvm_unreachable("No codegen for expressions")::llvm::llvm_unreachable_internal("No codegen for expressions" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 341); | ||||
342 | } | ||||
343 | /// API for generation of expressions captured in a innermost OpenMP | ||||
344 | /// region. | ||||
345 | class CGOpenMPInnerExprInfo final : public CGOpenMPInlinedRegionInfo { | ||||
346 | public: | ||||
347 | CGOpenMPInnerExprInfo(CodeGenFunction &CGF, const CapturedStmt &CS) | ||||
348 | : CGOpenMPInlinedRegionInfo(CGF.CapturedStmtInfo, EmptyCodeGen, | ||||
349 | OMPD_unknown, | ||||
350 | /*HasCancel=*/false), | ||||
351 | PrivScope(CGF) { | ||||
352 | // Make sure the globals captured in the provided statement are local by | ||||
353 | // using the privatization logic. We assume the same variable is not | ||||
354 | // captured more than once. | ||||
355 | for (const auto &C : CS.captures()) { | ||||
356 | if (!C.capturesVariable() && !C.capturesVariableByCopy()) | ||||
357 | continue; | ||||
358 | |||||
359 | const VarDecl *VD = C.getCapturedVar(); | ||||
360 | if (VD->isLocalVarDeclOrParm()) | ||||
361 | continue; | ||||
362 | |||||
363 | DeclRefExpr DRE(CGF.getContext(), const_cast<VarDecl *>(VD), | ||||
364 | /*RefersToEnclosingVariableOrCapture=*/false, | ||||
365 | VD->getType().getNonReferenceType(), VK_LValue, | ||||
366 | C.getLocation()); | ||||
367 | PrivScope.addPrivate( | ||||
368 | VD, [&CGF, &DRE]() { return CGF.EmitLValue(&DRE).getAddress(CGF); }); | ||||
369 | } | ||||
370 | (void)PrivScope.Privatize(); | ||||
371 | } | ||||
372 | |||||
373 | /// Lookup the captured field decl for a variable. | ||||
374 | const FieldDecl *lookup(const VarDecl *VD) const override { | ||||
375 | if (const FieldDecl *FD = CGOpenMPInlinedRegionInfo::lookup(VD)) | ||||
376 | return FD; | ||||
377 | return nullptr; | ||||
378 | } | ||||
379 | |||||
380 | /// Emit the captured statement body. | ||||
381 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override { | ||||
382 | llvm_unreachable("No body for expressions")::llvm::llvm_unreachable_internal("No body for expressions", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 382); | ||||
383 | } | ||||
384 | |||||
385 | /// Get a variable or parameter for storing global thread id | ||||
386 | /// inside OpenMP construct. | ||||
387 | const VarDecl *getThreadIDVariable() const override { | ||||
388 | llvm_unreachable("No thread id for expressions")::llvm::llvm_unreachable_internal("No thread id for expressions" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 388); | ||||
389 | } | ||||
390 | |||||
391 | /// Get the name of the capture helper. | ||||
392 | StringRef getHelperName() const override { | ||||
393 | llvm_unreachable("No helper name for expressions")::llvm::llvm_unreachable_internal("No helper name for expressions" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 393); | ||||
394 | } | ||||
395 | |||||
396 | static bool classof(const CGCapturedStmtInfo *Info) { return false; } | ||||
397 | |||||
398 | private: | ||||
399 | /// Private scope to capture global variables. | ||||
400 | CodeGenFunction::OMPPrivateScope PrivScope; | ||||
401 | }; | ||||
402 | |||||
403 | /// RAII for emitting code of OpenMP constructs. | ||||
404 | class InlinedOpenMPRegionRAII { | ||||
405 | CodeGenFunction &CGF; | ||||
406 | llvm::DenseMap<const VarDecl *, FieldDecl *> LambdaCaptureFields; | ||||
407 | FieldDecl *LambdaThisCaptureField = nullptr; | ||||
408 | const CodeGen::CGBlockInfo *BlockInfo = nullptr; | ||||
409 | |||||
410 | public: | ||||
411 | /// Constructs region for combined constructs. | ||||
412 | /// \param CodeGen Code generation sequence for combined directives. Includes | ||||
413 | /// a list of functions used for code generation of implicitly inlined | ||||
414 | /// regions. | ||||
415 | InlinedOpenMPRegionRAII(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen, | ||||
416 | OpenMPDirectiveKind Kind, bool HasCancel) | ||||
417 | : CGF(CGF) { | ||||
418 | // Start emission for the construct. | ||||
419 | CGF.CapturedStmtInfo = new CGOpenMPInlinedRegionInfo( | ||||
420 | CGF.CapturedStmtInfo, CodeGen, Kind, HasCancel); | ||||
421 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | ||||
422 | LambdaThisCaptureField = CGF.LambdaThisCaptureField; | ||||
423 | CGF.LambdaThisCaptureField = nullptr; | ||||
424 | BlockInfo = CGF.BlockInfo; | ||||
425 | CGF.BlockInfo = nullptr; | ||||
426 | } | ||||
427 | |||||
428 | ~InlinedOpenMPRegionRAII() { | ||||
429 | // Restore original CapturedStmtInfo only if we're done with code emission. | ||||
430 | auto *OldCSI = | ||||
431 | cast<CGOpenMPInlinedRegionInfo>(CGF.CapturedStmtInfo)->getOldCSI(); | ||||
432 | delete CGF.CapturedStmtInfo; | ||||
433 | CGF.CapturedStmtInfo = OldCSI; | ||||
434 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | ||||
435 | CGF.LambdaThisCaptureField = LambdaThisCaptureField; | ||||
436 | CGF.BlockInfo = BlockInfo; | ||||
437 | } | ||||
438 | }; | ||||
439 | |||||
440 | /// Values for bit flags used in the ident_t to describe the fields. | ||||
441 | /// All enumeric elements are named and described in accordance with the code | ||||
442 | /// from https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h | ||||
443 | enum OpenMPLocationFlags : unsigned { | ||||
444 | /// Use trampoline for internal microtask. | ||||
445 | OMP_IDENT_IMD = 0x01, | ||||
446 | /// Use c-style ident structure. | ||||
447 | OMP_IDENT_KMPC = 0x02, | ||||
448 | /// Atomic reduction option for kmpc_reduce. | ||||
449 | OMP_ATOMIC_REDUCE = 0x10, | ||||
450 | /// Explicit 'barrier' directive. | ||||
451 | OMP_IDENT_BARRIER_EXPL = 0x20, | ||||
452 | /// Implicit barrier in code. | ||||
453 | OMP_IDENT_BARRIER_IMPL = 0x40, | ||||
454 | /// Implicit barrier in 'for' directive. | ||||
455 | OMP_IDENT_BARRIER_IMPL_FOR = 0x40, | ||||
456 | /// Implicit barrier in 'sections' directive. | ||||
457 | OMP_IDENT_BARRIER_IMPL_SECTIONS = 0xC0, | ||||
458 | /// Implicit barrier in 'single' directive. | ||||
459 | OMP_IDENT_BARRIER_IMPL_SINGLE = 0x140, | ||||
460 | /// Call of __kmp_for_static_init for static loop. | ||||
461 | OMP_IDENT_WORK_LOOP = 0x200, | ||||
462 | /// Call of __kmp_for_static_init for sections. | ||||
463 | OMP_IDENT_WORK_SECTIONS = 0x400, | ||||
464 | /// Call of __kmp_for_static_init for distribute. | ||||
465 | OMP_IDENT_WORK_DISTRIBUTE = 0x800, | ||||
466 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_IDENT_WORK_DISTRIBUTE)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_IDENT_WORK_DISTRIBUTE | ||||
467 | }; | ||||
468 | |||||
469 | namespace { | ||||
470 | 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^=; | ||||
471 | /// Values for bit flags for marking which requires clauses have been used. | ||||
472 | enum OpenMPOffloadingRequiresDirFlags : int64_t { | ||||
473 | /// flag undefined. | ||||
474 | OMP_REQ_UNDEFINED = 0x000, | ||||
475 | /// no requires clause present. | ||||
476 | OMP_REQ_NONE = 0x001, | ||||
477 | /// reverse_offload clause. | ||||
478 | OMP_REQ_REVERSE_OFFLOAD = 0x002, | ||||
479 | /// unified_address clause. | ||||
480 | OMP_REQ_UNIFIED_ADDRESS = 0x004, | ||||
481 | /// unified_shared_memory clause. | ||||
482 | OMP_REQ_UNIFIED_SHARED_MEMORY = 0x008, | ||||
483 | /// dynamic_allocators clause. | ||||
484 | OMP_REQ_DYNAMIC_ALLOCATORS = 0x010, | ||||
485 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_REQ_DYNAMIC_ALLOCATORS)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_REQ_DYNAMIC_ALLOCATORS | ||||
486 | }; | ||||
487 | |||||
488 | enum OpenMPOffloadingReservedDeviceIDs { | ||||
489 | /// Device ID if the device was not defined, runtime should get it | ||||
490 | /// from environment variables in the spec. | ||||
491 | OMP_DEVICEID_UNDEF = -1, | ||||
492 | }; | ||||
493 | } // anonymous namespace | ||||
494 | |||||
495 | /// Describes ident structure that describes a source location. | ||||
496 | /// All descriptions are taken from | ||||
497 | /// https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h | ||||
498 | /// Original structure: | ||||
499 | /// typedef struct ident { | ||||
500 | /// kmp_int32 reserved_1; /**< might be used in Fortran; | ||||
501 | /// see above */ | ||||
502 | /// kmp_int32 flags; /**< also f.flags; KMP_IDENT_xxx flags; | ||||
503 | /// KMP_IDENT_KMPC identifies this union | ||||
504 | /// member */ | ||||
505 | /// kmp_int32 reserved_2; /**< not really used in Fortran any more; | ||||
506 | /// see above */ | ||||
507 | ///#if USE_ITT_BUILD | ||||
508 | /// /* but currently used for storing | ||||
509 | /// region-specific ITT */ | ||||
510 | /// /* contextual information. */ | ||||
511 | ///#endif /* USE_ITT_BUILD */ | ||||
512 | /// kmp_int32 reserved_3; /**< source[4] in Fortran, do not use for | ||||
513 | /// C++ */ | ||||
514 | /// char const *psource; /**< String describing the source location. | ||||
515 | /// The string is composed of semi-colon separated | ||||
516 | // fields which describe the source file, | ||||
517 | /// the function and a pair of line numbers that | ||||
518 | /// delimit the construct. | ||||
519 | /// */ | ||||
520 | /// } ident_t; | ||||
521 | enum IdentFieldIndex { | ||||
522 | /// might be used in Fortran | ||||
523 | IdentField_Reserved_1, | ||||
524 | /// OMP_IDENT_xxx flags; OMP_IDENT_KMPC identifies this union member. | ||||
525 | IdentField_Flags, | ||||
526 | /// Not really used in Fortran any more | ||||
527 | IdentField_Reserved_2, | ||||
528 | /// Source[4] in Fortran, do not use for C++ | ||||
529 | IdentField_Reserved_3, | ||||
530 | /// String describing the source location. The string is composed of | ||||
531 | /// semi-colon separated fields which describe the source file, the function | ||||
532 | /// and a pair of line numbers that delimit the construct. | ||||
533 | IdentField_PSource | ||||
534 | }; | ||||
535 | |||||
536 | /// Schedule types for 'omp for' loops (these enumerators are taken from | ||||
537 | /// the enum sched_type in kmp.h). | ||||
538 | enum OpenMPSchedType { | ||||
539 | /// Lower bound for default (unordered) versions. | ||||
540 | OMP_sch_lower = 32, | ||||
541 | OMP_sch_static_chunked = 33, | ||||
542 | OMP_sch_static = 34, | ||||
543 | OMP_sch_dynamic_chunked = 35, | ||||
544 | OMP_sch_guided_chunked = 36, | ||||
545 | OMP_sch_runtime = 37, | ||||
546 | OMP_sch_auto = 38, | ||||
547 | /// static with chunk adjustment (e.g., simd) | ||||
548 | OMP_sch_static_balanced_chunked = 45, | ||||
549 | /// Lower bound for 'ordered' versions. | ||||
550 | OMP_ord_lower = 64, | ||||
551 | OMP_ord_static_chunked = 65, | ||||
552 | OMP_ord_static = 66, | ||||
553 | OMP_ord_dynamic_chunked = 67, | ||||
554 | OMP_ord_guided_chunked = 68, | ||||
555 | OMP_ord_runtime = 69, | ||||
556 | OMP_ord_auto = 70, | ||||
557 | OMP_sch_default = OMP_sch_static, | ||||
558 | /// dist_schedule types | ||||
559 | OMP_dist_sch_static_chunked = 91, | ||||
560 | OMP_dist_sch_static = 92, | ||||
561 | /// Support for OpenMP 4.5 monotonic and nonmonotonic schedule modifiers. | ||||
562 | /// Set if the monotonic schedule modifier was present. | ||||
563 | OMP_sch_modifier_monotonic = (1 << 29), | ||||
564 | /// Set if the nonmonotonic schedule modifier was present. | ||||
565 | OMP_sch_modifier_nonmonotonic = (1 << 30), | ||||
566 | }; | ||||
567 | |||||
568 | enum OpenMPRTLFunction { | ||||
569 | /// Call to void __kmpc_fork_call(ident_t *loc, kmp_int32 argc, | ||||
570 | /// kmpc_micro microtask, ...); | ||||
571 | OMPRTL__kmpc_fork_call, | ||||
572 | /// Call to void *__kmpc_threadprivate_cached(ident_t *loc, | ||||
573 | /// kmp_int32 global_tid, void *data, size_t size, void ***cache); | ||||
574 | OMPRTL__kmpc_threadprivate_cached, | ||||
575 | /// Call to void __kmpc_threadprivate_register( ident_t *, | ||||
576 | /// void *data, kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor); | ||||
577 | OMPRTL__kmpc_threadprivate_register, | ||||
578 | // Call to __kmpc_int32 kmpc_global_thread_num(ident_t *loc); | ||||
579 | OMPRTL__kmpc_global_thread_num, | ||||
580 | // Call to void __kmpc_critical(ident_t *loc, kmp_int32 global_tid, | ||||
581 | // kmp_critical_name *crit); | ||||
582 | OMPRTL__kmpc_critical, | ||||
583 | // Call to void __kmpc_critical_with_hint(ident_t *loc, kmp_int32 | ||||
584 | // global_tid, kmp_critical_name *crit, uintptr_t hint); | ||||
585 | OMPRTL__kmpc_critical_with_hint, | ||||
586 | // Call to void __kmpc_end_critical(ident_t *loc, kmp_int32 global_tid, | ||||
587 | // kmp_critical_name *crit); | ||||
588 | OMPRTL__kmpc_end_critical, | ||||
589 | // Call to kmp_int32 __kmpc_cancel_barrier(ident_t *loc, kmp_int32 | ||||
590 | // global_tid); | ||||
591 | OMPRTL__kmpc_cancel_barrier, | ||||
592 | // Call to void __kmpc_barrier(ident_t *loc, kmp_int32 global_tid); | ||||
593 | OMPRTL__kmpc_barrier, | ||||
594 | // Call to void __kmpc_for_static_fini(ident_t *loc, kmp_int32 global_tid); | ||||
595 | OMPRTL__kmpc_for_static_fini, | ||||
596 | // Call to void __kmpc_serialized_parallel(ident_t *loc, kmp_int32 | ||||
597 | // global_tid); | ||||
598 | OMPRTL__kmpc_serialized_parallel, | ||||
599 | // Call to void __kmpc_end_serialized_parallel(ident_t *loc, kmp_int32 | ||||
600 | // global_tid); | ||||
601 | OMPRTL__kmpc_end_serialized_parallel, | ||||
602 | // Call to void __kmpc_push_num_threads(ident_t *loc, kmp_int32 global_tid, | ||||
603 | // kmp_int32 num_threads); | ||||
604 | OMPRTL__kmpc_push_num_threads, | ||||
605 | // Call to void __kmpc_flush(ident_t *loc); | ||||
606 | OMPRTL__kmpc_flush, | ||||
607 | // Call to kmp_int32 __kmpc_master(ident_t *, kmp_int32 global_tid); | ||||
608 | OMPRTL__kmpc_master, | ||||
609 | // Call to void __kmpc_end_master(ident_t *, kmp_int32 global_tid); | ||||
610 | OMPRTL__kmpc_end_master, | ||||
611 | // Call to kmp_int32 __kmpc_omp_taskyield(ident_t *, kmp_int32 global_tid, | ||||
612 | // int end_part); | ||||
613 | OMPRTL__kmpc_omp_taskyield, | ||||
614 | // Call to kmp_int32 __kmpc_single(ident_t *, kmp_int32 global_tid); | ||||
615 | OMPRTL__kmpc_single, | ||||
616 | // Call to void __kmpc_end_single(ident_t *, kmp_int32 global_tid); | ||||
617 | OMPRTL__kmpc_end_single, | ||||
618 | // Call to kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | ||||
619 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||
620 | // kmp_routine_entry_t *task_entry); | ||||
621 | OMPRTL__kmpc_omp_task_alloc, | ||||
622 | // Call to kmp_task_t * __kmpc_omp_target_task_alloc(ident_t *, | ||||
623 | // kmp_int32 gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, | ||||
624 | // size_t sizeof_shareds, kmp_routine_entry_t *task_entry, | ||||
625 | // kmp_int64 device_id); | ||||
626 | OMPRTL__kmpc_omp_target_task_alloc, | ||||
627 | // Call to kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t * | ||||
628 | // new_task); | ||||
629 | OMPRTL__kmpc_omp_task, | ||||
630 | // Call to void __kmpc_copyprivate(ident_t *loc, kmp_int32 global_tid, | ||||
631 | // size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), | ||||
632 | // kmp_int32 didit); | ||||
633 | OMPRTL__kmpc_copyprivate, | ||||
634 | // Call to kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, | ||||
635 | // kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void | ||||
636 | // (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck); | ||||
637 | OMPRTL__kmpc_reduce, | ||||
638 | // Call to kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 | ||||
639 | // global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, | ||||
640 | // void (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name | ||||
641 | // *lck); | ||||
642 | OMPRTL__kmpc_reduce_nowait, | ||||
643 | // Call to void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, | ||||
644 | // kmp_critical_name *lck); | ||||
645 | OMPRTL__kmpc_end_reduce, | ||||
646 | // Call to void __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, | ||||
647 | // kmp_critical_name *lck); | ||||
648 | OMPRTL__kmpc_end_reduce_nowait, | ||||
649 | // Call to void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | ||||
650 | // kmp_task_t * new_task); | ||||
651 | OMPRTL__kmpc_omp_task_begin_if0, | ||||
652 | // Call to void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | ||||
653 | // kmp_task_t * new_task); | ||||
654 | OMPRTL__kmpc_omp_task_complete_if0, | ||||
655 | // Call to void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid); | ||||
656 | OMPRTL__kmpc_ordered, | ||||
657 | // Call to void __kmpc_end_ordered(ident_t *loc, kmp_int32 global_tid); | ||||
658 | OMPRTL__kmpc_end_ordered, | ||||
659 | // Call to kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | ||||
660 | // global_tid); | ||||
661 | OMPRTL__kmpc_omp_taskwait, | ||||
662 | // Call to void __kmpc_taskgroup(ident_t *loc, kmp_int32 global_tid); | ||||
663 | OMPRTL__kmpc_taskgroup, | ||||
664 | // Call to void __kmpc_end_taskgroup(ident_t *loc, kmp_int32 global_tid); | ||||
665 | OMPRTL__kmpc_end_taskgroup, | ||||
666 | // Call to void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 global_tid, | ||||
667 | // int proc_bind); | ||||
668 | OMPRTL__kmpc_push_proc_bind, | ||||
669 | // Call to kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 | ||||
670 | // gtid, kmp_task_t * new_task, kmp_int32 ndeps, kmp_depend_info_t | ||||
671 | // *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | ||||
672 | OMPRTL__kmpc_omp_task_with_deps, | ||||
673 | // Call to void __kmpc_omp_wait_deps(ident_t *loc_ref, kmp_int32 | ||||
674 | // gtid, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | ||||
675 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | ||||
676 | OMPRTL__kmpc_omp_wait_deps, | ||||
677 | // Call to kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | ||||
678 | // global_tid, kmp_int32 cncl_kind); | ||||
679 | OMPRTL__kmpc_cancellationpoint, | ||||
680 | // Call to kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | ||||
681 | // kmp_int32 cncl_kind); | ||||
682 | OMPRTL__kmpc_cancel, | ||||
683 | // Call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32 global_tid, | ||||
684 | // kmp_int32 num_teams, kmp_int32 thread_limit); | ||||
685 | OMPRTL__kmpc_push_num_teams, | ||||
686 | // Call to void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro | ||||
687 | // microtask, ...); | ||||
688 | OMPRTL__kmpc_fork_teams, | ||||
689 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | ||||
690 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | ||||
691 | // sched, kmp_uint64 grainsize, void *task_dup); | ||||
692 | OMPRTL__kmpc_taskloop, | ||||
693 | // Call to void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, kmp_int32 | ||||
694 | // num_dims, struct kmp_dim *dims); | ||||
695 | OMPRTL__kmpc_doacross_init, | ||||
696 | // Call to void __kmpc_doacross_fini(ident_t *loc, kmp_int32 gtid); | ||||
697 | OMPRTL__kmpc_doacross_fini, | ||||
698 | // Call to void __kmpc_doacross_post(ident_t *loc, kmp_int32 gtid, kmp_int64 | ||||
699 | // *vec); | ||||
700 | OMPRTL__kmpc_doacross_post, | ||||
701 | // Call to void __kmpc_doacross_wait(ident_t *loc, kmp_int32 gtid, kmp_int64 | ||||
702 | // *vec); | ||||
703 | OMPRTL__kmpc_doacross_wait, | ||||
704 | // Call to void *__kmpc_task_reduction_init(int gtid, int num_data, void | ||||
705 | // *data); | ||||
706 | OMPRTL__kmpc_task_reduction_init, | ||||
707 | // Call to void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | ||||
708 | // *d); | ||||
709 | OMPRTL__kmpc_task_reduction_get_th_data, | ||||
710 | // Call to void *__kmpc_alloc(int gtid, size_t sz, omp_allocator_handle_t al); | ||||
711 | OMPRTL__kmpc_alloc, | ||||
712 | // Call to void __kmpc_free(int gtid, void *ptr, omp_allocator_handle_t al); | ||||
713 | OMPRTL__kmpc_free, | ||||
714 | |||||
715 | // | ||||
716 | // Offloading related calls | ||||
717 | // | ||||
718 | // Call to void __kmpc_push_target_tripcount(int64_t device_id, kmp_uint64 | ||||
719 | // size); | ||||
720 | OMPRTL__kmpc_push_target_tripcount, | ||||
721 | // Call to int32_t __tgt_target(int64_t device_id, void *host_ptr, int32_t | ||||
722 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
723 | // *arg_types); | ||||
724 | OMPRTL__tgt_target, | ||||
725 | // Call to int32_t __tgt_target_nowait(int64_t device_id, void *host_ptr, | ||||
726 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
727 | // *arg_types); | ||||
728 | OMPRTL__tgt_target_nowait, | ||||
729 | // Call to int32_t __tgt_target_teams(int64_t device_id, void *host_ptr, | ||||
730 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
731 | // *arg_types, int32_t num_teams, int32_t thread_limit); | ||||
732 | OMPRTL__tgt_target_teams, | ||||
733 | // Call to int32_t __tgt_target_teams_nowait(int64_t device_id, void | ||||
734 | // *host_ptr, int32_t arg_num, void** args_base, void **args, int64_t | ||||
735 | // *arg_sizes, int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | ||||
736 | OMPRTL__tgt_target_teams_nowait, | ||||
737 | // Call to void __tgt_register_requires(int64_t flags); | ||||
738 | OMPRTL__tgt_register_requires, | ||||
739 | // Call to void __tgt_target_data_begin(int64_t device_id, int32_t arg_num, | ||||
740 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | ||||
741 | OMPRTL__tgt_target_data_begin, | ||||
742 | // Call to void __tgt_target_data_begin_nowait(int64_t device_id, int32_t | ||||
743 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
744 | // *arg_types); | ||||
745 | OMPRTL__tgt_target_data_begin_nowait, | ||||
746 | // Call to void __tgt_target_data_end(int64_t device_id, int32_t arg_num, | ||||
747 | // void** args_base, void **args, size_t *arg_sizes, int64_t *arg_types); | ||||
748 | OMPRTL__tgt_target_data_end, | ||||
749 | // Call to void __tgt_target_data_end_nowait(int64_t device_id, int32_t | ||||
750 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
751 | // *arg_types); | ||||
752 | OMPRTL__tgt_target_data_end_nowait, | ||||
753 | // Call to void __tgt_target_data_update(int64_t device_id, int32_t arg_num, | ||||
754 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | ||||
755 | OMPRTL__tgt_target_data_update, | ||||
756 | // Call to void __tgt_target_data_update_nowait(int64_t device_id, int32_t | ||||
757 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
758 | // *arg_types); | ||||
759 | OMPRTL__tgt_target_data_update_nowait, | ||||
760 | // Call to int64_t __tgt_mapper_num_components(void *rt_mapper_handle); | ||||
761 | OMPRTL__tgt_mapper_num_components, | ||||
762 | // Call to void __tgt_push_mapper_component(void *rt_mapper_handle, void | ||||
763 | // *base, void *begin, int64_t size, int64_t type); | ||||
764 | OMPRTL__tgt_push_mapper_component, | ||||
765 | }; | ||||
766 | |||||
767 | /// A basic class for pre|post-action for advanced codegen sequence for OpenMP | ||||
768 | /// region. | ||||
769 | class CleanupTy final : public EHScopeStack::Cleanup { | ||||
770 | PrePostActionTy *Action; | ||||
771 | |||||
772 | public: | ||||
773 | explicit CleanupTy(PrePostActionTy *Action) : Action(Action) {} | ||||
774 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||
775 | if (!CGF.HaveInsertPoint()) | ||||
776 | return; | ||||
777 | Action->Exit(CGF); | ||||
778 | } | ||||
779 | }; | ||||
780 | |||||
781 | } // anonymous namespace | ||||
782 | |||||
783 | void RegionCodeGenTy::operator()(CodeGenFunction &CGF) const { | ||||
784 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||
785 | if (PrePostAction
| ||||
786 | CGF.EHStack.pushCleanup<CleanupTy>(NormalAndEHCleanup, PrePostAction); | ||||
787 | Callback(CodeGen, CGF, *PrePostAction); | ||||
788 | } else { | ||||
789 | PrePostActionTy Action; | ||||
790 | Callback(CodeGen, CGF, Action); | ||||
791 | } | ||||
792 | } | ||||
793 | |||||
794 | /// Check if the combiner is a call to UDR combiner and if it is so return the | ||||
795 | /// UDR decl used for reduction. | ||||
796 | static const OMPDeclareReductionDecl * | ||||
797 | getReductionInit(const Expr *ReductionOp) { | ||||
798 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | ||||
799 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | ||||
800 | if (const auto *DRE = | ||||
801 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | ||||
802 | if (const auto *DRD = dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) | ||||
803 | return DRD; | ||||
804 | return nullptr; | ||||
805 | } | ||||
806 | |||||
807 | static void emitInitWithReductionInitializer(CodeGenFunction &CGF, | ||||
808 | const OMPDeclareReductionDecl *DRD, | ||||
809 | const Expr *InitOp, | ||||
810 | Address Private, Address Original, | ||||
811 | QualType Ty) { | ||||
812 | if (DRD->getInitializer()) { | ||||
813 | std::pair<llvm::Function *, llvm::Function *> Reduction = | ||||
814 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | ||||
815 | const auto *CE = cast<CallExpr>(InitOp); | ||||
816 | const auto *OVE = cast<OpaqueValueExpr>(CE->getCallee()); | ||||
817 | const Expr *LHS = CE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||
818 | const Expr *RHS = CE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | ||||
819 | const auto *LHSDRE = | ||||
820 | cast<DeclRefExpr>(cast<UnaryOperator>(LHS)->getSubExpr()); | ||||
821 | const auto *RHSDRE = | ||||
822 | cast<DeclRefExpr>(cast<UnaryOperator>(RHS)->getSubExpr()); | ||||
823 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||
824 | PrivateScope.addPrivate(cast<VarDecl>(LHSDRE->getDecl()), | ||||
825 | [=]() { return Private; }); | ||||
826 | PrivateScope.addPrivate(cast<VarDecl>(RHSDRE->getDecl()), | ||||
827 | [=]() { return Original; }); | ||||
828 | (void)PrivateScope.Privatize(); | ||||
829 | RValue Func = RValue::get(Reduction.second); | ||||
830 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | ||||
831 | CGF.EmitIgnoredExpr(InitOp); | ||||
832 | } else { | ||||
833 | llvm::Constant *Init = CGF.CGM.EmitNullConstant(Ty); | ||||
834 | std::string Name = CGF.CGM.getOpenMPRuntime().getName({"init"}); | ||||
835 | auto *GV = new llvm::GlobalVariable( | ||||
836 | CGF.CGM.getModule(), Init->getType(), /*isConstant=*/true, | ||||
837 | llvm::GlobalValue::PrivateLinkage, Init, Name); | ||||
838 | LValue LV = CGF.MakeNaturalAlignAddrLValue(GV, Ty); | ||||
839 | RValue InitRVal; | ||||
840 | switch (CGF.getEvaluationKind(Ty)) { | ||||
841 | case TEK_Scalar: | ||||
842 | InitRVal = CGF.EmitLoadOfLValue(LV, DRD->getLocation()); | ||||
843 | break; | ||||
844 | case TEK_Complex: | ||||
845 | InitRVal = | ||||
846 | RValue::getComplex(CGF.EmitLoadOfComplex(LV, DRD->getLocation())); | ||||
847 | break; | ||||
848 | case TEK_Aggregate: | ||||
849 | InitRVal = RValue::getAggregate(LV.getAddress(CGF)); | ||||
850 | break; | ||||
851 | } | ||||
852 | OpaqueValueExpr OVE(DRD->getLocation(), Ty, VK_RValue); | ||||
853 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, InitRVal); | ||||
854 | CGF.EmitAnyExprToMem(&OVE, Private, Ty.getQualifiers(), | ||||
855 | /*IsInitializer=*/false); | ||||
856 | } | ||||
857 | } | ||||
858 | |||||
859 | /// Emit initialization of arrays of complex types. | ||||
860 | /// \param DestAddr Address of the array. | ||||
861 | /// \param Type Type of array. | ||||
862 | /// \param Init Initial expression of array. | ||||
863 | /// \param SrcAddr Address of the original array. | ||||
864 | static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr, | ||||
865 | QualType Type, bool EmitDeclareReductionInit, | ||||
866 | const Expr *Init, | ||||
867 | const OMPDeclareReductionDecl *DRD, | ||||
868 | Address SrcAddr = Address::invalid()) { | ||||
869 | // Perform element-by-element initialization. | ||||
870 | QualType ElementTy; | ||||
871 | |||||
872 | // Drill down to the base element type on both arrays. | ||||
873 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | ||||
874 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, DestAddr); | ||||
875 | DestAddr = | ||||
876 | CGF.Builder.CreateElementBitCast(DestAddr, DestAddr.getElementType()); | ||||
877 | if (DRD) | ||||
878 | SrcAddr = | ||||
879 | CGF.Builder.CreateElementBitCast(SrcAddr, DestAddr.getElementType()); | ||||
880 | |||||
881 | llvm::Value *SrcBegin = nullptr; | ||||
882 | if (DRD) | ||||
883 | SrcBegin = SrcAddr.getPointer(); | ||||
884 | llvm::Value *DestBegin = DestAddr.getPointer(); | ||||
885 | // Cast from pointer to array type to pointer to single element. | ||||
886 | llvm::Value *DestEnd = CGF.Builder.CreateGEP(DestBegin, NumElements); | ||||
887 | // The basic structure here is a while-do loop. | ||||
888 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arrayinit.body"); | ||||
889 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arrayinit.done"); | ||||
890 | llvm::Value *IsEmpty = | ||||
891 | CGF.Builder.CreateICmpEQ(DestBegin, DestEnd, "omp.arrayinit.isempty"); | ||||
892 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||
893 | |||||
894 | // Enter the loop body, making that address the current address. | ||||
895 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||
896 | CGF.EmitBlock(BodyBB); | ||||
897 | |||||
898 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | ||||
899 | |||||
900 | llvm::PHINode *SrcElementPHI = nullptr; | ||||
901 | Address SrcElementCurrent = Address::invalid(); | ||||
902 | if (DRD) { | ||||
903 | SrcElementPHI = CGF.Builder.CreatePHI(SrcBegin->getType(), 2, | ||||
904 | "omp.arraycpy.srcElementPast"); | ||||
905 | SrcElementPHI->addIncoming(SrcBegin, EntryBB); | ||||
906 | SrcElementCurrent = | ||||
907 | Address(SrcElementPHI, | ||||
908 | SrcAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||
909 | } | ||||
910 | llvm::PHINode *DestElementPHI = CGF.Builder.CreatePHI( | ||||
911 | DestBegin->getType(), 2, "omp.arraycpy.destElementPast"); | ||||
912 | DestElementPHI->addIncoming(DestBegin, EntryBB); | ||||
913 | Address DestElementCurrent = | ||||
914 | Address(DestElementPHI, | ||||
915 | DestAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||
916 | |||||
917 | // Emit copy. | ||||
918 | { | ||||
919 | CodeGenFunction::RunCleanupsScope InitScope(CGF); | ||||
920 | if (EmitDeclareReductionInit) { | ||||
921 | emitInitWithReductionInitializer(CGF, DRD, Init, DestElementCurrent, | ||||
922 | SrcElementCurrent, ElementTy); | ||||
923 | } else | ||||
924 | CGF.EmitAnyExprToMem(Init, DestElementCurrent, ElementTy.getQualifiers(), | ||||
925 | /*IsInitializer=*/false); | ||||
926 | } | ||||
927 | |||||
928 | if (DRD) { | ||||
929 | // Shift the address forward by one element. | ||||
930 | llvm::Value *SrcElementNext = CGF.Builder.CreateConstGEP1_32( | ||||
931 | SrcElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | ||||
932 | SrcElementPHI->addIncoming(SrcElementNext, CGF.Builder.GetInsertBlock()); | ||||
933 | } | ||||
934 | |||||
935 | // Shift the address forward by one element. | ||||
936 | llvm::Value *DestElementNext = CGF.Builder.CreateConstGEP1_32( | ||||
937 | DestElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | ||||
938 | // Check whether we've reached the end. | ||||
939 | llvm::Value *Done = | ||||
940 | CGF.Builder.CreateICmpEQ(DestElementNext, DestEnd, "omp.arraycpy.done"); | ||||
941 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | ||||
942 | DestElementPHI->addIncoming(DestElementNext, CGF.Builder.GetInsertBlock()); | ||||
943 | |||||
944 | // Done. | ||||
945 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||
946 | } | ||||
947 | |||||
948 | LValue ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, const Expr *E) { | ||||
949 | return CGF.EmitOMPSharedLValue(E); | ||||
950 | } | ||||
951 | |||||
952 | LValue ReductionCodeGen::emitSharedLValueUB(CodeGenFunction &CGF, | ||||
953 | const Expr *E) { | ||||
954 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(E)) | ||||
955 | return CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false); | ||||
956 | return LValue(); | ||||
957 | } | ||||
958 | |||||
959 | void ReductionCodeGen::emitAggregateInitialization( | ||||
960 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | ||||
961 | const OMPDeclareReductionDecl *DRD) { | ||||
962 | // Emit VarDecl with copy init for arrays. | ||||
963 | // Get the address of the original variable captured in current | ||||
964 | // captured region. | ||||
965 | const auto *PrivateVD = | ||||
966 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
967 | bool EmitDeclareReductionInit = | ||||
968 | DRD && (DRD->getInitializer() || !PrivateVD->hasInit()); | ||||
969 | EmitOMPAggregateInit(CGF, PrivateAddr, PrivateVD->getType(), | ||||
970 | EmitDeclareReductionInit, | ||||
971 | EmitDeclareReductionInit ? ClausesData[N].ReductionOp | ||||
972 | : PrivateVD->getInit(), | ||||
973 | DRD, SharedLVal.getAddress(CGF)); | ||||
974 | } | ||||
975 | |||||
976 | ReductionCodeGen::ReductionCodeGen(ArrayRef<const Expr *> Shareds, | ||||
977 | ArrayRef<const Expr *> Privates, | ||||
978 | ArrayRef<const Expr *> ReductionOps) { | ||||
979 | ClausesData.reserve(Shareds.size()); | ||||
980 | SharedAddresses.reserve(Shareds.size()); | ||||
981 | Sizes.reserve(Shareds.size()); | ||||
982 | BaseDecls.reserve(Shareds.size()); | ||||
983 | auto IPriv = Privates.begin(); | ||||
984 | auto IRed = ReductionOps.begin(); | ||||
985 | for (const Expr *Ref : Shareds) { | ||||
986 | ClausesData.emplace_back(Ref, *IPriv, *IRed); | ||||
987 | std::advance(IPriv, 1); | ||||
988 | std::advance(IRed, 1); | ||||
989 | } | ||||
990 | } | ||||
991 | |||||
992 | void ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, unsigned N) { | ||||
993 | assert(SharedAddresses.size() == N &&((SharedAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? static_cast<void> (0) : __assert_fail ("SharedAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 994, __PRETTY_FUNCTION__)) | ||||
994 | "Number of generated lvalues must be exactly N.")((SharedAddresses.size() == N && "Number of generated lvalues must be exactly N." ) ? static_cast<void> (0) : __assert_fail ("SharedAddresses.size() == N && \"Number of generated lvalues must be exactly N.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 994, __PRETTY_FUNCTION__)); | ||||
995 | LValue First = emitSharedLValue(CGF, ClausesData[N].Ref); | ||||
996 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Ref); | ||||
997 | SharedAddresses.emplace_back(First, Second); | ||||
998 | } | ||||
999 | |||||
1000 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N) { | ||||
1001 | const auto *PrivateVD = | ||||
1002 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
1003 | QualType PrivateType = PrivateVD->getType(); | ||||
1004 | bool AsArraySection = isa<OMPArraySectionExpr>(ClausesData[N].Ref); | ||||
1005 | if (!PrivateType->isVariablyModifiedType()) { | ||||
1006 | Sizes.emplace_back( | ||||
1007 | CGF.getTypeSize( | ||||
1008 | SharedAddresses[N].first.getType().getNonReferenceType()), | ||||
1009 | nullptr); | ||||
1010 | return; | ||||
1011 | } | ||||
1012 | llvm::Value *Size; | ||||
1013 | llvm::Value *SizeInChars; | ||||
1014 | auto *ElemType = cast<llvm::PointerType>( | ||||
1015 | SharedAddresses[N].first.getPointer(CGF)->getType()) | ||||
1016 | ->getElementType(); | ||||
1017 | auto *ElemSizeOf = llvm::ConstantExpr::getSizeOf(ElemType); | ||||
1018 | if (AsArraySection) { | ||||
1019 | Size = CGF.Builder.CreatePtrDiff(SharedAddresses[N].second.getPointer(CGF), | ||||
1020 | SharedAddresses[N].first.getPointer(CGF)); | ||||
1021 | Size = CGF.Builder.CreateNUWAdd( | ||||
1022 | Size, llvm::ConstantInt::get(Size->getType(), /*V=*/1)); | ||||
1023 | SizeInChars = CGF.Builder.CreateNUWMul(Size, ElemSizeOf); | ||||
1024 | } else { | ||||
1025 | SizeInChars = CGF.getTypeSize( | ||||
1026 | SharedAddresses[N].first.getType().getNonReferenceType()); | ||||
1027 | Size = CGF.Builder.CreateExactUDiv(SizeInChars, ElemSizeOf); | ||||
1028 | } | ||||
1029 | Sizes.emplace_back(SizeInChars, Size); | ||||
1030 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||
1031 | CGF, | ||||
1032 | cast<OpaqueValueExpr>( | ||||
1033 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | ||||
1034 | RValue::get(Size)); | ||||
1035 | CGF.EmitVariablyModifiedType(PrivateType); | ||||
1036 | } | ||||
1037 | |||||
1038 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N, | ||||
1039 | llvm::Value *Size) { | ||||
1040 | const auto *PrivateVD = | ||||
1041 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
1042 | QualType PrivateType = PrivateVD->getType(); | ||||
1043 | if (!PrivateType->isVariablyModifiedType()) { | ||||
1044 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1046, __PRETTY_FUNCTION__)) | ||||
1045 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1046, __PRETTY_FUNCTION__)) | ||||
1046 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1046, __PRETTY_FUNCTION__)); | ||||
1047 | return; | ||||
1048 | } | ||||
1049 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||
1050 | CGF, | ||||
1051 | cast<OpaqueValueExpr>( | ||||
1052 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | ||||
1053 | RValue::get(Size)); | ||||
1054 | CGF.EmitVariablyModifiedType(PrivateType); | ||||
1055 | } | ||||
1056 | |||||
1057 | void ReductionCodeGen::emitInitialization( | ||||
1058 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | ||||
1059 | llvm::function_ref<bool(CodeGenFunction &)> DefaultInit) { | ||||
1060 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1060, __PRETTY_FUNCTION__)); | ||||
1061 | const auto *PrivateVD = | ||||
1062 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
1063 | const OMPDeclareReductionDecl *DRD = | ||||
1064 | getReductionInit(ClausesData[N].ReductionOp); | ||||
1065 | QualType PrivateType = PrivateVD->getType(); | ||||
1066 | PrivateAddr = CGF.Builder.CreateElementBitCast( | ||||
1067 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | ||||
1068 | QualType SharedType = SharedAddresses[N].first.getType(); | ||||
1069 | SharedLVal = CGF.MakeAddrLValue( | ||||
1070 | CGF.Builder.CreateElementBitCast(SharedLVal.getAddress(CGF), | ||||
1071 | CGF.ConvertTypeForMem(SharedType)), | ||||
1072 | SharedType, SharedAddresses[N].first.getBaseInfo(), | ||||
1073 | CGF.CGM.getTBAAInfoForSubobject(SharedAddresses[N].first, SharedType)); | ||||
1074 | if (CGF.getContext().getAsArrayType(PrivateVD->getType())) { | ||||
1075 | emitAggregateInitialization(CGF, N, PrivateAddr, SharedLVal, DRD); | ||||
1076 | } else if (DRD && (DRD->getInitializer() || !PrivateVD->hasInit())) { | ||||
1077 | emitInitWithReductionInitializer(CGF, DRD, ClausesData[N].ReductionOp, | ||||
1078 | PrivateAddr, SharedLVal.getAddress(CGF), | ||||
1079 | SharedLVal.getType()); | ||||
1080 | } else if (!DefaultInit(CGF) && PrivateVD->hasInit() && | ||||
1081 | !CGF.isTrivialInitializer(PrivateVD->getInit())) { | ||||
1082 | CGF.EmitAnyExprToMem(PrivateVD->getInit(), PrivateAddr, | ||||
1083 | PrivateVD->getType().getQualifiers(), | ||||
1084 | /*IsInitializer=*/false); | ||||
1085 | } | ||||
1086 | } | ||||
1087 | |||||
1088 | bool ReductionCodeGen::needCleanups(unsigned N) { | ||||
1089 | const auto *PrivateVD = | ||||
1090 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
1091 | QualType PrivateType = PrivateVD->getType(); | ||||
1092 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | ||||
1093 | return DTorKind != QualType::DK_none; | ||||
1094 | } | ||||
1095 | |||||
1096 | void ReductionCodeGen::emitCleanups(CodeGenFunction &CGF, unsigned N, | ||||
1097 | Address PrivateAddr) { | ||||
1098 | const auto *PrivateVD = | ||||
1099 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | ||||
1100 | QualType PrivateType = PrivateVD->getType(); | ||||
1101 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | ||||
1102 | if (needCleanups(N)) { | ||||
1103 | PrivateAddr = CGF.Builder.CreateElementBitCast( | ||||
1104 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | ||||
1105 | CGF.pushDestroy(DTorKind, PrivateAddr, PrivateType); | ||||
1106 | } | ||||
1107 | } | ||||
1108 | |||||
1109 | static LValue loadToBegin(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | ||||
1110 | LValue BaseLV) { | ||||
1111 | BaseTy = BaseTy.getNonReferenceType(); | ||||
1112 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | ||||
1113 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | ||||
1114 | if (const auto *PtrTy = BaseTy->getAs<PointerType>()) { | ||||
1115 | BaseLV = CGF.EmitLoadOfPointerLValue(BaseLV.getAddress(CGF), PtrTy); | ||||
1116 | } else { | ||||
1117 | LValue RefLVal = CGF.MakeAddrLValue(BaseLV.getAddress(CGF), BaseTy); | ||||
1118 | BaseLV = CGF.EmitLoadOfReferenceLValue(RefLVal); | ||||
1119 | } | ||||
1120 | BaseTy = BaseTy->getPointeeType(); | ||||
1121 | } | ||||
1122 | return CGF.MakeAddrLValue( | ||||
1123 | CGF.Builder.CreateElementBitCast(BaseLV.getAddress(CGF), | ||||
1124 | CGF.ConvertTypeForMem(ElTy)), | ||||
1125 | BaseLV.getType(), BaseLV.getBaseInfo(), | ||||
1126 | CGF.CGM.getTBAAInfoForSubobject(BaseLV, BaseLV.getType())); | ||||
1127 | } | ||||
1128 | |||||
1129 | static Address castToBase(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | ||||
1130 | llvm::Type *BaseLVType, CharUnits BaseLVAlignment, | ||||
1131 | llvm::Value *Addr) { | ||||
1132 | Address Tmp = Address::invalid(); | ||||
1133 | Address TopTmp = Address::invalid(); | ||||
1134 | Address MostTopTmp = Address::invalid(); | ||||
1135 | BaseTy = BaseTy.getNonReferenceType(); | ||||
1136 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | ||||
1137 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | ||||
1138 | Tmp = CGF.CreateMemTemp(BaseTy); | ||||
1139 | if (TopTmp.isValid()) | ||||
1140 | CGF.Builder.CreateStore(Tmp.getPointer(), TopTmp); | ||||
1141 | else | ||||
1142 | MostTopTmp = Tmp; | ||||
1143 | TopTmp = Tmp; | ||||
1144 | BaseTy = BaseTy->getPointeeType(); | ||||
1145 | } | ||||
1146 | llvm::Type *Ty = BaseLVType; | ||||
1147 | if (Tmp.isValid()) | ||||
1148 | Ty = Tmp.getElementType(); | ||||
1149 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Addr, Ty); | ||||
1150 | if (Tmp.isValid()) { | ||||
1151 | CGF.Builder.CreateStore(Addr, Tmp); | ||||
1152 | return MostTopTmp; | ||||
1153 | } | ||||
1154 | return Address(Addr, BaseLVAlignment); | ||||
1155 | } | ||||
1156 | |||||
1157 | static const VarDecl *getBaseDecl(const Expr *Ref, const DeclRefExpr *&DE) { | ||||
1158 | const VarDecl *OrigVD = nullptr; | ||||
1159 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(Ref)) { | ||||
1160 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||
1161 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | ||||
1162 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||
1163 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
1164 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
1165 | DE = cast<DeclRefExpr>(Base); | ||||
1166 | OrigVD = cast<VarDecl>(DE->getDecl()); | ||||
1167 | } else if (const auto *ASE = dyn_cast<ArraySubscriptExpr>(Ref)) { | ||||
1168 | const Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | ||||
1169 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
1170 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
1171 | DE = cast<DeclRefExpr>(Base); | ||||
1172 | OrigVD = cast<VarDecl>(DE->getDecl()); | ||||
1173 | } | ||||
1174 | return OrigVD; | ||||
1175 | } | ||||
1176 | |||||
1177 | Address ReductionCodeGen::adjustPrivateAddress(CodeGenFunction &CGF, unsigned N, | ||||
1178 | Address PrivateAddr) { | ||||
1179 | const DeclRefExpr *DE; | ||||
1180 | if (const VarDecl *OrigVD = ::getBaseDecl(ClausesData[N].Ref, DE)) { | ||||
1181 | BaseDecls.emplace_back(OrigVD); | ||||
1182 | LValue OriginalBaseLValue = CGF.EmitLValue(DE); | ||||
1183 | LValue BaseLValue = | ||||
1184 | loadToBegin(CGF, OrigVD->getType(), SharedAddresses[N].first.getType(), | ||||
1185 | OriginalBaseLValue); | ||||
1186 | llvm::Value *Adjustment = CGF.Builder.CreatePtrDiff( | ||||
1187 | BaseLValue.getPointer(CGF), SharedAddresses[N].first.getPointer(CGF)); | ||||
1188 | llvm::Value *PrivatePointer = | ||||
1189 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
1190 | PrivateAddr.getPointer(), | ||||
1191 | SharedAddresses[N].first.getAddress(CGF).getType()); | ||||
1192 | llvm::Value *Ptr = CGF.Builder.CreateGEP(PrivatePointer, Adjustment); | ||||
1193 | return castToBase(CGF, OrigVD->getType(), | ||||
1194 | SharedAddresses[N].first.getType(), | ||||
1195 | OriginalBaseLValue.getAddress(CGF).getType(), | ||||
1196 | OriginalBaseLValue.getAlignment(), Ptr); | ||||
1197 | } | ||||
1198 | BaseDecls.emplace_back( | ||||
1199 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Ref)->getDecl())); | ||||
1200 | return PrivateAddr; | ||||
1201 | } | ||||
1202 | |||||
1203 | bool ReductionCodeGen::usesReductionInitializer(unsigned N) const { | ||||
1204 | const OMPDeclareReductionDecl *DRD = | ||||
1205 | getReductionInit(ClausesData[N].ReductionOp); | ||||
1206 | return DRD && DRD->getInitializer(); | ||||
1207 | } | ||||
1208 | |||||
1209 | LValue CGOpenMPRegionInfo::getThreadIDVariableLValue(CodeGenFunction &CGF) { | ||||
1210 | return CGF.EmitLoadOfPointerLValue( | ||||
1211 | CGF.GetAddrOfLocalVar(getThreadIDVariable()), | ||||
1212 | getThreadIDVariable()->getType()->castAs<PointerType>()); | ||||
1213 | } | ||||
1214 | |||||
1215 | void CGOpenMPRegionInfo::EmitBody(CodeGenFunction &CGF, const Stmt * /*S*/) { | ||||
1216 | if (!CGF.HaveInsertPoint()) | ||||
1217 | return; | ||||
1218 | // 1.2.2 OpenMP Language Terminology | ||||
1219 | // Structured block - An executable statement with a single entry at the | ||||
1220 | // top and a single exit at the bottom. | ||||
1221 | // The point of exit cannot be a branch out of the structured block. | ||||
1222 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
1223 | CGF.EHStack.pushTerminate(); | ||||
1224 | CodeGen(CGF); | ||||
1225 | CGF.EHStack.popTerminate(); | ||||
1226 | } | ||||
1227 | |||||
1228 | LValue CGOpenMPTaskOutlinedRegionInfo::getThreadIDVariableLValue( | ||||
1229 | CodeGenFunction &CGF) { | ||||
1230 | return CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(getThreadIDVariable()), | ||||
1231 | getThreadIDVariable()->getType(), | ||||
1232 | AlignmentSource::Decl); | ||||
1233 | } | ||||
1234 | |||||
1235 | static FieldDecl *addFieldToRecordDecl(ASTContext &C, DeclContext *DC, | ||||
1236 | QualType FieldTy) { | ||||
1237 | auto *Field = FieldDecl::Create( | ||||
1238 | C, DC, SourceLocation(), SourceLocation(), /*Id=*/nullptr, FieldTy, | ||||
1239 | C.getTrivialTypeSourceInfo(FieldTy, SourceLocation()), | ||||
1240 | /*BW=*/nullptr, /*Mutable=*/false, /*InitStyle=*/ICIS_NoInit); | ||||
1241 | Field->setAccess(AS_public); | ||||
1242 | DC->addDecl(Field); | ||||
1243 | return Field; | ||||
1244 | } | ||||
1245 | |||||
1246 | CGOpenMPRuntime::CGOpenMPRuntime(CodeGenModule &CGM, StringRef FirstSeparator, | ||||
1247 | StringRef Separator) | ||||
1248 | : CGM(CGM), FirstSeparator(FirstSeparator), Separator(Separator), | ||||
1249 | OffloadEntriesInfoManager(CGM) { | ||||
1250 | ASTContext &C = CGM.getContext(); | ||||
1251 | RecordDecl *RD = C.buildImplicitRecord("ident_t"); | ||||
1252 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||
1253 | RD->startDefinition(); | ||||
1254 | // reserved_1 | ||||
1255 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
1256 | // flags | ||||
1257 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
1258 | // reserved_2 | ||||
1259 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
1260 | // reserved_3 | ||||
1261 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
1262 | // psource | ||||
1263 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
1264 | RD->completeDefinition(); | ||||
1265 | IdentQTy = C.getRecordType(RD); | ||||
1266 | IdentTy = CGM.getTypes().ConvertRecordDeclType(RD); | ||||
1267 | KmpCriticalNameTy = llvm::ArrayType::get(CGM.Int32Ty, /*NumElements*/ 8); | ||||
1268 | |||||
1269 | loadOffloadInfoMetadata(); | ||||
1270 | } | ||||
1271 | |||||
1272 | bool CGOpenMPRuntime::tryEmitDeclareVariant(const GlobalDecl &NewGD, | ||||
1273 | const GlobalDecl &OldGD, | ||||
1274 | llvm::GlobalValue *OrigAddr, | ||||
1275 | bool IsForDefinition) { | ||||
1276 | // Emit at least a definition for the aliasee if the the address of the | ||||
1277 | // original function is requested. | ||||
1278 | if (IsForDefinition || OrigAddr) | ||||
1279 | (void)CGM.GetAddrOfGlobal(NewGD); | ||||
1280 | StringRef NewMangledName = CGM.getMangledName(NewGD); | ||||
1281 | llvm::GlobalValue *Addr = CGM.GetGlobalValue(NewMangledName); | ||||
1282 | if (Addr && !Addr->isDeclaration()) { | ||||
1283 | const auto *D = cast<FunctionDecl>(OldGD.getDecl()); | ||||
1284 | const CGFunctionInfo &FI = CGM.getTypes().arrangeGlobalDeclaration(NewGD); | ||||
1285 | llvm::Type *DeclTy = CGM.getTypes().GetFunctionType(FI); | ||||
1286 | |||||
1287 | // Create a reference to the named value. This ensures that it is emitted | ||||
1288 | // if a deferred decl. | ||||
1289 | llvm::GlobalValue::LinkageTypes LT = CGM.getFunctionLinkage(OldGD); | ||||
1290 | |||||
1291 | // Create the new alias itself, but don't set a name yet. | ||||
1292 | auto *GA = | ||||
1293 | llvm::GlobalAlias::create(DeclTy, 0, LT, "", Addr, &CGM.getModule()); | ||||
1294 | |||||
1295 | if (OrigAddr) { | ||||
1296 | assert(OrigAddr->isDeclaration() && "Expected declaration")((OrigAddr->isDeclaration() && "Expected declaration" ) ? static_cast<void> (0) : __assert_fail ("OrigAddr->isDeclaration() && \"Expected declaration\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1296, __PRETTY_FUNCTION__)); | ||||
1297 | |||||
1298 | GA->takeName(OrigAddr); | ||||
1299 | OrigAddr->replaceAllUsesWith( | ||||
1300 | llvm::ConstantExpr::getBitCast(GA, OrigAddr->getType())); | ||||
1301 | OrigAddr->eraseFromParent(); | ||||
1302 | } else { | ||||
1303 | GA->setName(CGM.getMangledName(OldGD)); | ||||
1304 | } | ||||
1305 | |||||
1306 | // Set attributes which are particular to an alias; this is a | ||||
1307 | // specialization of the attributes which may be set on a global function. | ||||
1308 | if (D->hasAttr<WeakAttr>() || D->hasAttr<WeakRefAttr>() || | ||||
1309 | D->isWeakImported()) | ||||
1310 | GA->setLinkage(llvm::Function::WeakAnyLinkage); | ||||
1311 | |||||
1312 | CGM.SetCommonAttributes(OldGD, GA); | ||||
1313 | return true; | ||||
1314 | } | ||||
1315 | return false; | ||||
1316 | } | ||||
1317 | |||||
1318 | void CGOpenMPRuntime::clear() { | ||||
1319 | InternalVars.clear(); | ||||
1320 | // Clean non-target variable declarations possibly used only in debug info. | ||||
1321 | for (const auto &Data : EmittedNonTargetVariables) { | ||||
1322 | if (!Data.getValue().pointsToAliveValue()) | ||||
1323 | continue; | ||||
1324 | auto *GV = dyn_cast<llvm::GlobalVariable>(Data.getValue()); | ||||
1325 | if (!GV) | ||||
1326 | continue; | ||||
1327 | if (!GV->isDeclaration() || GV->getNumUses() > 0) | ||||
1328 | continue; | ||||
1329 | GV->eraseFromParent(); | ||||
1330 | } | ||||
1331 | // Emit aliases for the deferred aliasees. | ||||
1332 | for (const auto &Pair : DeferredVariantFunction) { | ||||
1333 | StringRef MangledName = CGM.getMangledName(Pair.second.second); | ||||
1334 | llvm::GlobalValue *Addr = CGM.GetGlobalValue(MangledName); | ||||
1335 | // If not able to emit alias, just emit original declaration. | ||||
1336 | (void)tryEmitDeclareVariant(Pair.second.first, Pair.second.second, Addr, | ||||
1337 | /*IsForDefinition=*/false); | ||||
1338 | } | ||||
1339 | } | ||||
1340 | |||||
1341 | std::string CGOpenMPRuntime::getName(ArrayRef<StringRef> Parts) const { | ||||
1342 | SmallString<128> Buffer; | ||||
1343 | llvm::raw_svector_ostream OS(Buffer); | ||||
1344 | StringRef Sep = FirstSeparator; | ||||
1345 | for (StringRef Part : Parts) { | ||||
1346 | OS << Sep << Part; | ||||
1347 | Sep = Separator; | ||||
1348 | } | ||||
1349 | return std::string(OS.str()); | ||||
1350 | } | ||||
1351 | |||||
1352 | static llvm::Function * | ||||
1353 | emitCombinerOrInitializer(CodeGenModule &CGM, QualType Ty, | ||||
1354 | const Expr *CombinerInitializer, const VarDecl *In, | ||||
1355 | const VarDecl *Out, bool IsCombiner) { | ||||
1356 | // void .omp_combiner.(Ty *in, Ty *out); | ||||
1357 | ASTContext &C = CGM.getContext(); | ||||
1358 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | ||||
1359 | FunctionArgList Args; | ||||
1360 | ImplicitParamDecl OmpOutParm(C, /*DC=*/nullptr, Out->getLocation(), | ||||
1361 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | ||||
1362 | ImplicitParamDecl OmpInParm(C, /*DC=*/nullptr, In->getLocation(), | ||||
1363 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | ||||
1364 | Args.push_back(&OmpOutParm); | ||||
1365 | Args.push_back(&OmpInParm); | ||||
1366 | const CGFunctionInfo &FnInfo = | ||||
1367 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
1368 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||
1369 | std::string Name = CGM.getOpenMPRuntime().getName( | ||||
1370 | {IsCombiner ? "omp_combiner" : "omp_initializer", ""}); | ||||
1371 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||
1372 | Name, &CGM.getModule()); | ||||
1373 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||
1374 | if (CGM.getLangOpts().Optimize) { | ||||
1375 | Fn->removeFnAttr(llvm::Attribute::NoInline); | ||||
1376 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||
1377 | Fn->addFnAttr(llvm::Attribute::AlwaysInline); | ||||
1378 | } | ||||
1379 | CodeGenFunction CGF(CGM); | ||||
1380 | // Map "T omp_in;" variable to "*omp_in_parm" value in all expressions. | ||||
1381 | // Map "T omp_out;" variable to "*omp_out_parm" value in all expressions. | ||||
1382 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, In->getLocation(), | ||||
1383 | Out->getLocation()); | ||||
1384 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||
1385 | Address AddrIn = CGF.GetAddrOfLocalVar(&OmpInParm); | ||||
1386 | Scope.addPrivate(In, [&CGF, AddrIn, PtrTy]() { | ||||
1387 | return CGF.EmitLoadOfPointerLValue(AddrIn, PtrTy->castAs<PointerType>()) | ||||
1388 | .getAddress(CGF); | ||||
1389 | }); | ||||
1390 | Address AddrOut = CGF.GetAddrOfLocalVar(&OmpOutParm); | ||||
1391 | Scope.addPrivate(Out, [&CGF, AddrOut, PtrTy]() { | ||||
1392 | return CGF.EmitLoadOfPointerLValue(AddrOut, PtrTy->castAs<PointerType>()) | ||||
1393 | .getAddress(CGF); | ||||
1394 | }); | ||||
1395 | (void)Scope.Privatize(); | ||||
1396 | if (!IsCombiner && Out->hasInit() && | ||||
1397 | !CGF.isTrivialInitializer(Out->getInit())) { | ||||
1398 | CGF.EmitAnyExprToMem(Out->getInit(), CGF.GetAddrOfLocalVar(Out), | ||||
1399 | Out->getType().getQualifiers(), | ||||
1400 | /*IsInitializer=*/true); | ||||
1401 | } | ||||
1402 | if (CombinerInitializer) | ||||
1403 | CGF.EmitIgnoredExpr(CombinerInitializer); | ||||
1404 | Scope.ForceCleanup(); | ||||
1405 | CGF.FinishFunction(); | ||||
1406 | return Fn; | ||||
1407 | } | ||||
1408 | |||||
1409 | void CGOpenMPRuntime::emitUserDefinedReduction( | ||||
1410 | CodeGenFunction *CGF, const OMPDeclareReductionDecl *D) { | ||||
1411 | if (UDRMap.count(D) > 0) | ||||
1412 | return; | ||||
1413 | llvm::Function *Combiner = emitCombinerOrInitializer( | ||||
1414 | CGM, D->getType(), D->getCombiner(), | ||||
1415 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerIn())->getDecl()), | ||||
1416 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerOut())->getDecl()), | ||||
1417 | /*IsCombiner=*/true); | ||||
1418 | llvm::Function *Initializer = nullptr; | ||||
1419 | if (const Expr *Init = D->getInitializer()) { | ||||
1420 | Initializer = emitCombinerOrInitializer( | ||||
1421 | CGM, D->getType(), | ||||
1422 | D->getInitializerKind() == OMPDeclareReductionDecl::CallInit ? Init | ||||
1423 | : nullptr, | ||||
1424 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitOrig())->getDecl()), | ||||
1425 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitPriv())->getDecl()), | ||||
1426 | /*IsCombiner=*/false); | ||||
1427 | } | ||||
1428 | UDRMap.try_emplace(D, Combiner, Initializer); | ||||
1429 | if (CGF) { | ||||
1430 | auto &Decls = FunctionUDRMap.FindAndConstruct(CGF->CurFn); | ||||
1431 | Decls.second.push_back(D); | ||||
1432 | } | ||||
1433 | } | ||||
1434 | |||||
1435 | std::pair<llvm::Function *, llvm::Function *> | ||||
1436 | CGOpenMPRuntime::getUserDefinedReduction(const OMPDeclareReductionDecl *D) { | ||||
1437 | auto I = UDRMap.find(D); | ||||
1438 | if (I != UDRMap.end()) | ||||
1439 | return I->second; | ||||
1440 | emitUserDefinedReduction(/*CGF=*/nullptr, D); | ||||
1441 | return UDRMap.lookup(D); | ||||
1442 | } | ||||
1443 | |||||
1444 | namespace { | ||||
1445 | // Temporary RAII solution to perform a push/pop stack event on the OpenMP IR | ||||
1446 | // Builder if one is present. | ||||
1447 | struct PushAndPopStackRAII { | ||||
1448 | PushAndPopStackRAII(llvm::OpenMPIRBuilder *OMPBuilder, CodeGenFunction &CGF, | ||||
1449 | bool HasCancel) | ||||
1450 | : OMPBuilder(OMPBuilder) { | ||||
1451 | if (!OMPBuilder) | ||||
1452 | return; | ||||
1453 | |||||
1454 | // The following callback is the crucial part of clangs cleanup process. | ||||
1455 | // | ||||
1456 | // NOTE: | ||||
1457 | // Once the OpenMPIRBuilder is used to create parallel regions (and | ||||
1458 | // similar), the cancellation destination (Dest below) is determined via | ||||
1459 | // IP. That means if we have variables to finalize we split the block at IP, | ||||
1460 | // use the new block (=BB) as destination to build a JumpDest (via | ||||
1461 | // getJumpDestInCurrentScope(BB)) which then is fed to | ||||
1462 | // EmitBranchThroughCleanup. Furthermore, there will not be the need | ||||
1463 | // to push & pop an FinalizationInfo object. | ||||
1464 | // The FiniCB will still be needed but at the point where the | ||||
1465 | // OpenMPIRBuilder is asked to construct a parallel (or similar) construct. | ||||
1466 | auto FiniCB = [&CGF](llvm::OpenMPIRBuilder::InsertPointTy IP) { | ||||
1467 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1468, __PRETTY_FUNCTION__)) | ||||
1468 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1468, __PRETTY_FUNCTION__)); | ||||
1469 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||
1470 | CGF.Builder.restoreIP(IP); | ||||
1471 | CodeGenFunction::JumpDest Dest = | ||||
1472 | CGF.getOMPCancelDestination(OMPD_parallel); | ||||
1473 | CGF.EmitBranchThroughCleanup(Dest); | ||||
1474 | }; | ||||
1475 | |||||
1476 | // TODO: Remove this once we emit parallel regions through the | ||||
1477 | // OpenMPIRBuilder as it can do this setup internally. | ||||
1478 | llvm::OpenMPIRBuilder::FinalizationInfo FI( | ||||
1479 | {FiniCB, OMPD_parallel, HasCancel}); | ||||
1480 | OMPBuilder->pushFinalizationCB(std::move(FI)); | ||||
1481 | } | ||||
1482 | ~PushAndPopStackRAII() { | ||||
1483 | if (OMPBuilder) | ||||
1484 | OMPBuilder->popFinalizationCB(); | ||||
1485 | } | ||||
1486 | llvm::OpenMPIRBuilder *OMPBuilder; | ||||
1487 | }; | ||||
1488 | } // namespace | ||||
1489 | |||||
1490 | static llvm::Function *emitParallelOrTeamsOutlinedFunction( | ||||
1491 | CodeGenModule &CGM, const OMPExecutableDirective &D, const CapturedStmt *CS, | ||||
1492 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | ||||
1493 | const StringRef OutlinedHelperName, const RegionCodeGenTy &CodeGen) { | ||||
1494 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1495, __PRETTY_FUNCTION__)) | ||||
1495 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1495, __PRETTY_FUNCTION__)); | ||||
1496 | CodeGenFunction CGF(CGM, true); | ||||
1497 | bool HasCancel = false; | ||||
1498 | if (const auto *OPD = dyn_cast<OMPParallelDirective>(&D)) | ||||
1499 | HasCancel = OPD->hasCancel(); | ||||
1500 | else if (const auto *OPSD = dyn_cast<OMPParallelSectionsDirective>(&D)) | ||||
1501 | HasCancel = OPSD->hasCancel(); | ||||
1502 | else if (const auto *OPFD = dyn_cast<OMPParallelForDirective>(&D)) | ||||
1503 | HasCancel = OPFD->hasCancel(); | ||||
1504 | else if (const auto *OPFD = dyn_cast<OMPTargetParallelForDirective>(&D)) | ||||
1505 | HasCancel = OPFD->hasCancel(); | ||||
1506 | else if (const auto *OPFD = dyn_cast<OMPDistributeParallelForDirective>(&D)) | ||||
1507 | HasCancel = OPFD->hasCancel(); | ||||
1508 | else if (const auto *OPFD = | ||||
1509 | dyn_cast<OMPTeamsDistributeParallelForDirective>(&D)) | ||||
1510 | HasCancel = OPFD->hasCancel(); | ||||
1511 | else if (const auto *OPFD = | ||||
1512 | dyn_cast<OMPTargetTeamsDistributeParallelForDirective>(&D)) | ||||
1513 | HasCancel = OPFD->hasCancel(); | ||||
1514 | |||||
1515 | // TODO: Temporarily inform the OpenMPIRBuilder, if any, about the new | ||||
1516 | // parallel region to make cancellation barriers work properly. | ||||
1517 | llvm::OpenMPIRBuilder *OMPBuilder = CGM.getOpenMPIRBuilder(); | ||||
1518 | PushAndPopStackRAII PSR(OMPBuilder, CGF, HasCancel); | ||||
1519 | CGOpenMPOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, InnermostKind, | ||||
1520 | HasCancel, OutlinedHelperName); | ||||
1521 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
1522 | return CGF.GenerateOpenMPCapturedStmtFunction(*CS, D.getBeginLoc()); | ||||
1523 | } | ||||
1524 | |||||
1525 | llvm::Function *CGOpenMPRuntime::emitParallelOutlinedFunction( | ||||
1526 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
1527 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||
1528 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_parallel); | ||||
1529 | return emitParallelOrTeamsOutlinedFunction( | ||||
1530 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | ||||
1531 | } | ||||
1532 | |||||
1533 | llvm::Function *CGOpenMPRuntime::emitTeamsOutlinedFunction( | ||||
1534 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
1535 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||
1536 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_teams); | ||||
1537 | return emitParallelOrTeamsOutlinedFunction( | ||||
1538 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | ||||
1539 | } | ||||
1540 | |||||
1541 | llvm::Function *CGOpenMPRuntime::emitTaskOutlinedFunction( | ||||
1542 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
1543 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | ||||
1544 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | ||||
1545 | bool Tied, unsigned &NumberOfParts) { | ||||
1546 | auto &&UntiedCodeGen = [this, &D, TaskTVar](CodeGenFunction &CGF, | ||||
1547 | PrePostActionTy &) { | ||||
1548 | llvm::Value *ThreadID = getThreadID(CGF, D.getBeginLoc()); | ||||
1549 | llvm::Value *UpLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | ||||
1550 | llvm::Value *TaskArgs[] = { | ||||
1551 | UpLoc, ThreadID, | ||||
1552 | CGF.EmitLoadOfPointerLValue(CGF.GetAddrOfLocalVar(TaskTVar), | ||||
1553 | TaskTVar->getType()->castAs<PointerType>()) | ||||
1554 | .getPointer(CGF)}; | ||||
1555 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_task), TaskArgs); | ||||
1556 | }; | ||||
1557 | CGOpenMPTaskOutlinedRegionInfo::UntiedTaskActionTy Action(Tied, PartIDVar, | ||||
1558 | UntiedCodeGen); | ||||
1559 | CodeGen.setAction(Action); | ||||
1560 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1561, __PRETTY_FUNCTION__)) | ||||
1561 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1561, __PRETTY_FUNCTION__)); | ||||
1562 | const OpenMPDirectiveKind Region = | ||||
1563 | isOpenMPTaskLoopDirective(D.getDirectiveKind()) ? OMPD_taskloop | ||||
1564 | : OMPD_task; | ||||
1565 | const CapturedStmt *CS = D.getCapturedStmt(Region); | ||||
1566 | bool HasCancel = false; | ||||
1567 | if (const auto *TD = dyn_cast<OMPTaskDirective>(&D)) | ||||
1568 | HasCancel = TD->hasCancel(); | ||||
1569 | else if (const auto *TD = dyn_cast<OMPTaskLoopDirective>(&D)) | ||||
1570 | HasCancel = TD->hasCancel(); | ||||
1571 | else if (const auto *TD = dyn_cast<OMPMasterTaskLoopDirective>(&D)) | ||||
1572 | HasCancel = TD->hasCancel(); | ||||
1573 | else if (const auto *TD = dyn_cast<OMPParallelMasterTaskLoopDirective>(&D)) | ||||
1574 | HasCancel = TD->hasCancel(); | ||||
1575 | |||||
1576 | CodeGenFunction CGF(CGM, true); | ||||
1577 | CGOpenMPTaskOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, | ||||
1578 | InnermostKind, HasCancel, Action); | ||||
1579 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
1580 | llvm::Function *Res = CGF.GenerateCapturedStmtFunction(*CS); | ||||
1581 | if (!Tied) | ||||
1582 | NumberOfParts = Action.getNumberOfParts(); | ||||
1583 | return Res; | ||||
1584 | } | ||||
1585 | |||||
1586 | static void buildStructValue(ConstantStructBuilder &Fields, CodeGenModule &CGM, | ||||
1587 | const RecordDecl *RD, const CGRecordLayout &RL, | ||||
1588 | ArrayRef<llvm::Constant *> Data) { | ||||
1589 | llvm::StructType *StructTy = RL.getLLVMType(); | ||||
1590 | unsigned PrevIdx = 0; | ||||
1591 | ConstantInitBuilder CIBuilder(CGM); | ||||
1592 | auto DI = Data.begin(); | ||||
1593 | for (const FieldDecl *FD : RD->fields()) { | ||||
1594 | unsigned Idx = RL.getLLVMFieldNo(FD); | ||||
1595 | // Fill the alignment. | ||||
1596 | for (unsigned I = PrevIdx; I < Idx; ++I) | ||||
1597 | Fields.add(llvm::Constant::getNullValue(StructTy->getElementType(I))); | ||||
1598 | PrevIdx = Idx + 1; | ||||
1599 | Fields.add(*DI); | ||||
1600 | ++DI; | ||||
1601 | } | ||||
1602 | } | ||||
1603 | |||||
1604 | template <class... As> | ||||
1605 | static llvm::GlobalVariable * | ||||
1606 | createGlobalStruct(CodeGenModule &CGM, QualType Ty, bool IsConstant, | ||||
1607 | ArrayRef<llvm::Constant *> Data, const Twine &Name, | ||||
1608 | As &&... Args) { | ||||
1609 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | ||||
1610 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | ||||
1611 | ConstantInitBuilder CIBuilder(CGM); | ||||
1612 | ConstantStructBuilder Fields = CIBuilder.beginStruct(RL.getLLVMType()); | ||||
1613 | buildStructValue(Fields, CGM, RD, RL, Data); | ||||
1614 | return Fields.finishAndCreateGlobal( | ||||
1615 | Name, CGM.getContext().getAlignOfGlobalVarInChars(Ty), IsConstant, | ||||
1616 | std::forward<As>(Args)...); | ||||
1617 | } | ||||
1618 | |||||
1619 | template <typename T> | ||||
1620 | static void | ||||
1621 | createConstantGlobalStructAndAddToParent(CodeGenModule &CGM, QualType Ty, | ||||
1622 | ArrayRef<llvm::Constant *> Data, | ||||
1623 | T &Parent) { | ||||
1624 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | ||||
1625 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | ||||
1626 | ConstantStructBuilder Fields = Parent.beginStruct(RL.getLLVMType()); | ||||
1627 | buildStructValue(Fields, CGM, RD, RL, Data); | ||||
1628 | Fields.finishAndAddTo(Parent); | ||||
1629 | } | ||||
1630 | |||||
1631 | Address CGOpenMPRuntime::getOrCreateDefaultLocation(unsigned Flags) { | ||||
1632 | CharUnits Align = CGM.getContext().getTypeAlignInChars(IdentQTy); | ||||
1633 | unsigned Reserved2Flags = getDefaultLocationReserved2Flags(); | ||||
1634 | FlagsTy FlagsKey(Flags, Reserved2Flags); | ||||
1635 | llvm::Value *Entry = OpenMPDefaultLocMap.lookup(FlagsKey); | ||||
1636 | if (!Entry) { | ||||
1637 | if (!DefaultOpenMPPSource) { | ||||
1638 | // Initialize default location for psource field of ident_t structure of | ||||
1639 | // all ident_t objects. Format is ";file;function;line;column;;". | ||||
1640 | // Taken from | ||||
1641 | // https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp_str.cpp | ||||
1642 | DefaultOpenMPPSource = | ||||
1643 | CGM.GetAddrOfConstantCString(";unknown;unknown;0;0;;").getPointer(); | ||||
1644 | DefaultOpenMPPSource = | ||||
1645 | llvm::ConstantExpr::getBitCast(DefaultOpenMPPSource, CGM.Int8PtrTy); | ||||
1646 | } | ||||
1647 | |||||
1648 | llvm::Constant *Data[] = { | ||||
1649 | llvm::ConstantInt::getNullValue(CGM.Int32Ty), | ||||
1650 | llvm::ConstantInt::get(CGM.Int32Ty, Flags), | ||||
1651 | llvm::ConstantInt::get(CGM.Int32Ty, Reserved2Flags), | ||||
1652 | llvm::ConstantInt::getNullValue(CGM.Int32Ty), DefaultOpenMPPSource}; | ||||
1653 | llvm::GlobalValue *DefaultOpenMPLocation = | ||||
1654 | createGlobalStruct(CGM, IdentQTy, isDefaultLocationConstant(), Data, "", | ||||
1655 | llvm::GlobalValue::PrivateLinkage); | ||||
1656 | DefaultOpenMPLocation->setUnnamedAddr( | ||||
1657 | llvm::GlobalValue::UnnamedAddr::Global); | ||||
1658 | |||||
1659 | OpenMPDefaultLocMap[FlagsKey] = Entry = DefaultOpenMPLocation; | ||||
1660 | } | ||||
1661 | return Address(Entry, Align); | ||||
1662 | } | ||||
1663 | |||||
1664 | void CGOpenMPRuntime::setLocThreadIdInsertPt(CodeGenFunction &CGF, | ||||
1665 | bool AtCurrentPoint) { | ||||
1666 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||
1667 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1667, __PRETTY_FUNCTION__)); | ||||
1668 | |||||
1669 | llvm::Value *Undef = llvm::UndefValue::get(CGF.Int32Ty); | ||||
1670 | if (AtCurrentPoint) { | ||||
1671 | Elem.second.ServiceInsertPt = new llvm::BitCastInst( | ||||
1672 | Undef, CGF.Int32Ty, "svcpt", CGF.Builder.GetInsertBlock()); | ||||
1673 | } else { | ||||
1674 | Elem.second.ServiceInsertPt = | ||||
1675 | new llvm::BitCastInst(Undef, CGF.Int32Ty, "svcpt"); | ||||
1676 | Elem.second.ServiceInsertPt->insertAfter(CGF.AllocaInsertPt); | ||||
1677 | } | ||||
1678 | } | ||||
1679 | |||||
1680 | void CGOpenMPRuntime::clearLocThreadIdInsertPt(CodeGenFunction &CGF) { | ||||
1681 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||
1682 | if (Elem.second.ServiceInsertPt) { | ||||
1683 | llvm::Instruction *Ptr = Elem.second.ServiceInsertPt; | ||||
1684 | Elem.second.ServiceInsertPt = nullptr; | ||||
1685 | Ptr->eraseFromParent(); | ||||
1686 | } | ||||
1687 | } | ||||
1688 | |||||
1689 | llvm::Value *CGOpenMPRuntime::emitUpdateLocation(CodeGenFunction &CGF, | ||||
1690 | SourceLocation Loc, | ||||
1691 | unsigned Flags) { | ||||
1692 | Flags |= OMP_IDENT_KMPC; | ||||
1693 | // If no debug info is generated - return global default location. | ||||
1694 | if (CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo || | ||||
1695 | Loc.isInvalid()) | ||||
1696 | return getOrCreateDefaultLocation(Flags).getPointer(); | ||||
1697 | |||||
1698 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1698, __PRETTY_FUNCTION__)); | ||||
1699 | |||||
1700 | CharUnits Align = CGM.getContext().getTypeAlignInChars(IdentQTy); | ||||
1701 | Address LocValue = Address::invalid(); | ||||
1702 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | ||||
1703 | if (I != OpenMPLocThreadIDMap.end()) | ||||
1704 | LocValue = Address(I->second.DebugLoc, Align); | ||||
1705 | |||||
1706 | // OpenMPLocThreadIDMap may have null DebugLoc and non-null ThreadID, if | ||||
1707 | // GetOpenMPThreadID was called before this routine. | ||||
1708 | if (!LocValue.isValid()) { | ||||
1709 | // Generate "ident_t .kmpc_loc.addr;" | ||||
1710 | Address AI = CGF.CreateMemTemp(IdentQTy, ".kmpc_loc.addr"); | ||||
1711 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||
1712 | Elem.second.DebugLoc = AI.getPointer(); | ||||
1713 | LocValue = AI; | ||||
1714 | |||||
1715 | if (!Elem.second.ServiceInsertPt) | ||||
1716 | setLocThreadIdInsertPt(CGF); | ||||
1717 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||
1718 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | ||||
1719 | CGF.Builder.CreateMemCpy(LocValue, getOrCreateDefaultLocation(Flags), | ||||
1720 | CGF.getTypeSize(IdentQTy)); | ||||
1721 | } | ||||
1722 | |||||
1723 | // char **psource = &.kmpc_loc_<flags>.addr.psource; | ||||
1724 | LValue Base = CGF.MakeAddrLValue(LocValue, IdentQTy); | ||||
1725 | auto Fields = cast<RecordDecl>(IdentQTy->getAsTagDecl())->field_begin(); | ||||
1726 | LValue PSource = | ||||
1727 | CGF.EmitLValueForField(Base, *std::next(Fields, IdentField_PSource)); | ||||
1728 | |||||
1729 | llvm::Value *OMPDebugLoc = OpenMPDebugLocMap.lookup(Loc.getRawEncoding()); | ||||
1730 | if (OMPDebugLoc == nullptr) { | ||||
1731 | SmallString<128> Buffer2; | ||||
1732 | llvm::raw_svector_ostream OS2(Buffer2); | ||||
1733 | // Build debug location | ||||
1734 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | ||||
1735 | OS2 << ";" << PLoc.getFilename() << ";"; | ||||
1736 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | ||||
1737 | OS2 << FD->getQualifiedNameAsString(); | ||||
1738 | OS2 << ";" << PLoc.getLine() << ";" << PLoc.getColumn() << ";;"; | ||||
1739 | OMPDebugLoc = CGF.Builder.CreateGlobalStringPtr(OS2.str()); | ||||
1740 | OpenMPDebugLocMap[Loc.getRawEncoding()] = OMPDebugLoc; | ||||
1741 | } | ||||
1742 | // *psource = ";<File>;<Function>;<Line>;<Column>;;"; | ||||
1743 | CGF.EmitStoreOfScalar(OMPDebugLoc, PSource); | ||||
1744 | |||||
1745 | // Our callers always pass this to a runtime function, so for | ||||
1746 | // convenience, go ahead and return a naked pointer. | ||||
1747 | return LocValue.getPointer(); | ||||
1748 | } | ||||
1749 | |||||
1750 | llvm::Value *CGOpenMPRuntime::getThreadID(CodeGenFunction &CGF, | ||||
1751 | SourceLocation Loc) { | ||||
1752 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1752, __PRETTY_FUNCTION__)); | ||||
1753 | |||||
1754 | llvm::Value *ThreadID = nullptr; | ||||
1755 | // Check whether we've already cached a load of the thread id in this | ||||
1756 | // function. | ||||
1757 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | ||||
1758 | if (I != OpenMPLocThreadIDMap.end()) { | ||||
1759 | ThreadID = I->second.ThreadID; | ||||
1760 | if (ThreadID != nullptr) | ||||
1761 | return ThreadID; | ||||
1762 | } | ||||
1763 | // If exceptions are enabled, do not use parameter to avoid possible crash. | ||||
1764 | if (auto *OMPRegionInfo = | ||||
1765 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||
1766 | if (OMPRegionInfo->getThreadIDVariable()) { | ||||
1767 | // Check if this an outlined function with thread id passed as argument. | ||||
1768 | LValue LVal = OMPRegionInfo->getThreadIDVariableLValue(CGF); | ||||
1769 | llvm::BasicBlock *TopBlock = CGF.AllocaInsertPt->getParent(); | ||||
1770 | if (!CGF.EHStack.requiresLandingPad() || !CGF.getLangOpts().Exceptions || | ||||
1771 | !CGF.getLangOpts().CXXExceptions || | ||||
1772 | CGF.Builder.GetInsertBlock() == TopBlock || | ||||
1773 | !isa<llvm::Instruction>(LVal.getPointer(CGF)) || | ||||
1774 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||
1775 | TopBlock || | ||||
1776 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | ||||
1777 | CGF.Builder.GetInsertBlock()) { | ||||
1778 | ThreadID = CGF.EmitLoadOfScalar(LVal, Loc); | ||||
1779 | // If value loaded in entry block, cache it and use it everywhere in | ||||
1780 | // function. | ||||
1781 | if (CGF.Builder.GetInsertBlock() == TopBlock) { | ||||
1782 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||
1783 | Elem.second.ThreadID = ThreadID; | ||||
1784 | } | ||||
1785 | return ThreadID; | ||||
1786 | } | ||||
1787 | } | ||||
1788 | } | ||||
1789 | |||||
1790 | // This is not an outlined function region - need to call __kmpc_int32 | ||||
1791 | // kmpc_global_thread_num(ident_t *loc). | ||||
1792 | // Generate thread id value and cache this value for use across the | ||||
1793 | // function. | ||||
1794 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | ||||
1795 | if (!Elem.second.ServiceInsertPt) | ||||
1796 | setLocThreadIdInsertPt(CGF); | ||||
1797 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | ||||
1798 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | ||||
1799 | llvm::CallInst *Call = CGF.Builder.CreateCall( | ||||
1800 | createRuntimeFunction(OMPRTL__kmpc_global_thread_num), | ||||
1801 | emitUpdateLocation(CGF, Loc)); | ||||
1802 | Call->setCallingConv(CGF.getRuntimeCC()); | ||||
1803 | Elem.second.ThreadID = Call; | ||||
1804 | return Call; | ||||
1805 | } | ||||
1806 | |||||
1807 | void CGOpenMPRuntime::functionFinished(CodeGenFunction &CGF) { | ||||
1808 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1808, __PRETTY_FUNCTION__)); | ||||
1809 | if (OpenMPLocThreadIDMap.count(CGF.CurFn)) { | ||||
1810 | clearLocThreadIdInsertPt(CGF); | ||||
1811 | OpenMPLocThreadIDMap.erase(CGF.CurFn); | ||||
1812 | } | ||||
1813 | if (FunctionUDRMap.count(CGF.CurFn) > 0) { | ||||
1814 | for(const auto *D : FunctionUDRMap[CGF.CurFn]) | ||||
1815 | UDRMap.erase(D); | ||||
1816 | FunctionUDRMap.erase(CGF.CurFn); | ||||
1817 | } | ||||
1818 | auto I = FunctionUDMMap.find(CGF.CurFn); | ||||
1819 | if (I != FunctionUDMMap.end()) { | ||||
1820 | for(const auto *D : I->second) | ||||
1821 | UDMMap.erase(D); | ||||
1822 | FunctionUDMMap.erase(I); | ||||
1823 | } | ||||
1824 | LastprivateConditionalToTypes.erase(CGF.CurFn); | ||||
1825 | } | ||||
1826 | |||||
1827 | llvm::Type *CGOpenMPRuntime::getIdentTyPointerTy() { | ||||
1828 | return IdentTy->getPointerTo(); | ||||
1829 | } | ||||
1830 | |||||
1831 | llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() { | ||||
1832 | if (!Kmpc_MicroTy) { | ||||
1833 | // Build void (*kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...) | ||||
1834 | llvm::Type *MicroParams[] = {llvm::PointerType::getUnqual(CGM.Int32Ty), | ||||
1835 | llvm::PointerType::getUnqual(CGM.Int32Ty)}; | ||||
1836 | Kmpc_MicroTy = llvm::FunctionType::get(CGM.VoidTy, MicroParams, true); | ||||
1837 | } | ||||
1838 | return llvm::PointerType::getUnqual(Kmpc_MicroTy); | ||||
1839 | } | ||||
1840 | |||||
1841 | llvm::FunctionCallee CGOpenMPRuntime::createRuntimeFunction(unsigned Function) { | ||||
1842 | llvm::FunctionCallee RTLFn = nullptr; | ||||
1843 | switch (static_cast<OpenMPRTLFunction>(Function)) { | ||||
1844 | case OMPRTL__kmpc_fork_call: { | ||||
1845 | // Build void __kmpc_fork_call(ident_t *loc, kmp_int32 argc, kmpc_micro | ||||
1846 | // microtask, ...); | ||||
1847 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1848 | getKmpc_MicroPointerTy()}; | ||||
1849 | auto *FnTy = | ||||
1850 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ true); | ||||
1851 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_fork_call"); | ||||
1852 | if (auto *F = dyn_cast<llvm::Function>(RTLFn.getCallee())) { | ||||
1853 | if (!F->hasMetadata(llvm::LLVMContext::MD_callback)) { | ||||
1854 | llvm::LLVMContext &Ctx = F->getContext(); | ||||
1855 | llvm::MDBuilder MDB(Ctx); | ||||
1856 | // Annotate the callback behavior of the __kmpc_fork_call: | ||||
1857 | // - The callback callee is argument number 2 (microtask). | ||||
1858 | // - The first two arguments of the callback callee are unknown (-1). | ||||
1859 | // - All variadic arguments to the __kmpc_fork_call are passed to the | ||||
1860 | // callback callee. | ||||
1861 | F->addMetadata( | ||||
1862 | llvm::LLVMContext::MD_callback, | ||||
1863 | *llvm::MDNode::get(Ctx, {MDB.createCallbackEncoding( | ||||
1864 | 2, {-1, -1}, | ||||
1865 | /* VarArgsArePassed */ true)})); | ||||
1866 | } | ||||
1867 | } | ||||
1868 | break; | ||||
1869 | } | ||||
1870 | case OMPRTL__kmpc_global_thread_num: { | ||||
1871 | // Build kmp_int32 __kmpc_global_thread_num(ident_t *loc); | ||||
1872 | llvm::Type *TypeParams[] = {getIdentTyPointerTy()}; | ||||
1873 | auto *FnTy = | ||||
1874 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
1875 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_global_thread_num"); | ||||
1876 | break; | ||||
1877 | } | ||||
1878 | case OMPRTL__kmpc_threadprivate_cached: { | ||||
1879 | // Build void *__kmpc_threadprivate_cached(ident_t *loc, | ||||
1880 | // kmp_int32 global_tid, void *data, size_t size, void ***cache); | ||||
1881 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1882 | CGM.VoidPtrTy, CGM.SizeTy, | ||||
1883 | CGM.VoidPtrTy->getPointerTo()->getPointerTo()}; | ||||
1884 | auto *FnTy = | ||||
1885 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg*/ false); | ||||
1886 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_threadprivate_cached"); | ||||
1887 | break; | ||||
1888 | } | ||||
1889 | case OMPRTL__kmpc_critical: { | ||||
1890 | // Build void __kmpc_critical(ident_t *loc, kmp_int32 global_tid, | ||||
1891 | // kmp_critical_name *crit); | ||||
1892 | llvm::Type *TypeParams[] = { | ||||
1893 | getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1894 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
1895 | auto *FnTy = | ||||
1896 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1897 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_critical"); | ||||
1898 | break; | ||||
1899 | } | ||||
1900 | case OMPRTL__kmpc_critical_with_hint: { | ||||
1901 | // Build void __kmpc_critical_with_hint(ident_t *loc, kmp_int32 global_tid, | ||||
1902 | // kmp_critical_name *crit, uintptr_t hint); | ||||
1903 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1904 | llvm::PointerType::getUnqual(KmpCriticalNameTy), | ||||
1905 | CGM.IntPtrTy}; | ||||
1906 | auto *FnTy = | ||||
1907 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1908 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_critical_with_hint"); | ||||
1909 | break; | ||||
1910 | } | ||||
1911 | case OMPRTL__kmpc_threadprivate_register: { | ||||
1912 | // Build void __kmpc_threadprivate_register(ident_t *, void *data, | ||||
1913 | // kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor); | ||||
1914 | // typedef void *(*kmpc_ctor)(void *); | ||||
1915 | auto *KmpcCtorTy = | ||||
1916 | llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | ||||
1917 | /*isVarArg*/ false)->getPointerTo(); | ||||
1918 | // typedef void *(*kmpc_cctor)(void *, void *); | ||||
1919 | llvm::Type *KmpcCopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
1920 | auto *KmpcCopyCtorTy = | ||||
1921 | llvm::FunctionType::get(CGM.VoidPtrTy, KmpcCopyCtorTyArgs, | ||||
1922 | /*isVarArg*/ false) | ||||
1923 | ->getPointerTo(); | ||||
1924 | // typedef void (*kmpc_dtor)(void *); | ||||
1925 | auto *KmpcDtorTy = | ||||
1926 | llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, /*isVarArg*/ false) | ||||
1927 | ->getPointerTo(); | ||||
1928 | llvm::Type *FnTyArgs[] = {getIdentTyPointerTy(), CGM.VoidPtrTy, KmpcCtorTy, | ||||
1929 | KmpcCopyCtorTy, KmpcDtorTy}; | ||||
1930 | auto *FnTy = llvm::FunctionType::get(CGM.VoidTy, FnTyArgs, | ||||
1931 | /*isVarArg*/ false); | ||||
1932 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_threadprivate_register"); | ||||
1933 | break; | ||||
1934 | } | ||||
1935 | case OMPRTL__kmpc_end_critical: { | ||||
1936 | // Build void __kmpc_end_critical(ident_t *loc, kmp_int32 global_tid, | ||||
1937 | // kmp_critical_name *crit); | ||||
1938 | llvm::Type *TypeParams[] = { | ||||
1939 | getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1940 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
1941 | auto *FnTy = | ||||
1942 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1943 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_critical"); | ||||
1944 | break; | ||||
1945 | } | ||||
1946 | case OMPRTL__kmpc_cancel_barrier: { | ||||
1947 | // Build kmp_int32 __kmpc_cancel_barrier(ident_t *loc, kmp_int32 | ||||
1948 | // global_tid); | ||||
1949 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
1950 | auto *FnTy = | ||||
1951 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
1952 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name*/ "__kmpc_cancel_barrier"); | ||||
1953 | break; | ||||
1954 | } | ||||
1955 | case OMPRTL__kmpc_barrier: { | ||||
1956 | // Build void __kmpc_barrier(ident_t *loc, kmp_int32 global_tid); | ||||
1957 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
1958 | auto *FnTy = | ||||
1959 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1960 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name*/ "__kmpc_barrier"); | ||||
1961 | break; | ||||
1962 | } | ||||
1963 | case OMPRTL__kmpc_for_static_fini: { | ||||
1964 | // Build void __kmpc_for_static_fini(ident_t *loc, kmp_int32 global_tid); | ||||
1965 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
1966 | auto *FnTy = | ||||
1967 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1968 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_for_static_fini"); | ||||
1969 | break; | ||||
1970 | } | ||||
1971 | case OMPRTL__kmpc_push_num_threads: { | ||||
1972 | // Build void __kmpc_push_num_threads(ident_t *loc, kmp_int32 global_tid, | ||||
1973 | // kmp_int32 num_threads) | ||||
1974 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
1975 | CGM.Int32Ty}; | ||||
1976 | auto *FnTy = | ||||
1977 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1978 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_num_threads"); | ||||
1979 | break; | ||||
1980 | } | ||||
1981 | case OMPRTL__kmpc_serialized_parallel: { | ||||
1982 | // Build void __kmpc_serialized_parallel(ident_t *loc, kmp_int32 | ||||
1983 | // global_tid); | ||||
1984 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
1985 | auto *FnTy = | ||||
1986 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1987 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_serialized_parallel"); | ||||
1988 | break; | ||||
1989 | } | ||||
1990 | case OMPRTL__kmpc_end_serialized_parallel: { | ||||
1991 | // Build void __kmpc_end_serialized_parallel(ident_t *loc, kmp_int32 | ||||
1992 | // global_tid); | ||||
1993 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
1994 | auto *FnTy = | ||||
1995 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
1996 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_serialized_parallel"); | ||||
1997 | break; | ||||
1998 | } | ||||
1999 | case OMPRTL__kmpc_flush: { | ||||
2000 | // Build void __kmpc_flush(ident_t *loc); | ||||
2001 | llvm::Type *TypeParams[] = {getIdentTyPointerTy()}; | ||||
2002 | auto *FnTy = | ||||
2003 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2004 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_flush"); | ||||
2005 | break; | ||||
2006 | } | ||||
2007 | case OMPRTL__kmpc_master: { | ||||
2008 | // Build kmp_int32 __kmpc_master(ident_t *loc, kmp_int32 global_tid); | ||||
2009 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2010 | auto *FnTy = | ||||
2011 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2012 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_master"); | ||||
2013 | break; | ||||
2014 | } | ||||
2015 | case OMPRTL__kmpc_end_master: { | ||||
2016 | // Build void __kmpc_end_master(ident_t *loc, kmp_int32 global_tid); | ||||
2017 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2018 | auto *FnTy = | ||||
2019 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2020 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_master"); | ||||
2021 | break; | ||||
2022 | } | ||||
2023 | case OMPRTL__kmpc_omp_taskyield: { | ||||
2024 | // Build kmp_int32 __kmpc_omp_taskyield(ident_t *, kmp_int32 global_tid, | ||||
2025 | // int end_part); | ||||
2026 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | ||||
2027 | auto *FnTy = | ||||
2028 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2029 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_taskyield"); | ||||
2030 | break; | ||||
2031 | } | ||||
2032 | case OMPRTL__kmpc_single: { | ||||
2033 | // Build kmp_int32 __kmpc_single(ident_t *loc, kmp_int32 global_tid); | ||||
2034 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2035 | auto *FnTy = | ||||
2036 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2037 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_single"); | ||||
2038 | break; | ||||
2039 | } | ||||
2040 | case OMPRTL__kmpc_end_single: { | ||||
2041 | // Build void __kmpc_end_single(ident_t *loc, kmp_int32 global_tid); | ||||
2042 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2043 | auto *FnTy = | ||||
2044 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2045 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_single"); | ||||
2046 | break; | ||||
2047 | } | ||||
2048 | case OMPRTL__kmpc_omp_task_alloc: { | ||||
2049 | // Build kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | ||||
2050 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||
2051 | // kmp_routine_entry_t *task_entry); | ||||
2052 | assert(KmpRoutineEntryPtrTy != nullptr &&((KmpRoutineEntryPtrTy != nullptr && "Type kmp_routine_entry_t must be created." ) ? static_cast<void> (0) : __assert_fail ("KmpRoutineEntryPtrTy != nullptr && \"Type kmp_routine_entry_t must be created.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2053, __PRETTY_FUNCTION__)) | ||||
2053 | "Type kmp_routine_entry_t must be created.")((KmpRoutineEntryPtrTy != nullptr && "Type kmp_routine_entry_t must be created." ) ? static_cast<void> (0) : __assert_fail ("KmpRoutineEntryPtrTy != nullptr && \"Type kmp_routine_entry_t must be created.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2053, __PRETTY_FUNCTION__)); | ||||
2054 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | ||||
2055 | CGM.SizeTy, CGM.SizeTy, KmpRoutineEntryPtrTy}; | ||||
2056 | // Return void * and then cast to particular kmp_task_t type. | ||||
2057 | auto *FnTy = | ||||
2058 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | ||||
2059 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_alloc"); | ||||
2060 | break; | ||||
2061 | } | ||||
2062 | case OMPRTL__kmpc_omp_target_task_alloc: { | ||||
2063 | // Build kmp_task_t *__kmpc_omp_target_task_alloc(ident_t *, kmp_int32 gtid, | ||||
2064 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||
2065 | // kmp_routine_entry_t *task_entry, kmp_int64 device_id); | ||||
2066 | assert(KmpRoutineEntryPtrTy != nullptr &&((KmpRoutineEntryPtrTy != nullptr && "Type kmp_routine_entry_t must be created." ) ? static_cast<void> (0) : __assert_fail ("KmpRoutineEntryPtrTy != nullptr && \"Type kmp_routine_entry_t must be created.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2067, __PRETTY_FUNCTION__)) | ||||
2067 | "Type kmp_routine_entry_t must be created.")((KmpRoutineEntryPtrTy != nullptr && "Type kmp_routine_entry_t must be created." ) ? static_cast<void> (0) : __assert_fail ("KmpRoutineEntryPtrTy != nullptr && \"Type kmp_routine_entry_t must be created.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2067, __PRETTY_FUNCTION__)); | ||||
2068 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | ||||
2069 | CGM.SizeTy, CGM.SizeTy, KmpRoutineEntryPtrTy, | ||||
2070 | CGM.Int64Ty}; | ||||
2071 | // Return void * and then cast to particular kmp_task_t type. | ||||
2072 | auto *FnTy = | ||||
2073 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | ||||
2074 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_target_task_alloc"); | ||||
2075 | break; | ||||
2076 | } | ||||
2077 | case OMPRTL__kmpc_omp_task: { | ||||
2078 | // Build kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | ||||
2079 | // *new_task); | ||||
2080 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2081 | CGM.VoidPtrTy}; | ||||
2082 | auto *FnTy = | ||||
2083 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2084 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task"); | ||||
2085 | break; | ||||
2086 | } | ||||
2087 | case OMPRTL__kmpc_copyprivate: { | ||||
2088 | // Build void __kmpc_copyprivate(ident_t *loc, kmp_int32 global_tid, | ||||
2089 | // size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), | ||||
2090 | // kmp_int32 didit); | ||||
2091 | llvm::Type *CpyTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2092 | auto *CpyFnTy = | ||||
2093 | llvm::FunctionType::get(CGM.VoidTy, CpyTypeParams, /*isVarArg=*/false); | ||||
2094 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.SizeTy, | ||||
2095 | CGM.VoidPtrTy, CpyFnTy->getPointerTo(), | ||||
2096 | CGM.Int32Ty}; | ||||
2097 | auto *FnTy = | ||||
2098 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2099 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_copyprivate"); | ||||
2100 | break; | ||||
2101 | } | ||||
2102 | case OMPRTL__kmpc_reduce: { | ||||
2103 | // Build kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, | ||||
2104 | // kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void | ||||
2105 | // (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck); | ||||
2106 | llvm::Type *ReduceTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2107 | auto *ReduceFnTy = llvm::FunctionType::get(CGM.VoidTy, ReduceTypeParams, | ||||
2108 | /*isVarArg=*/false); | ||||
2109 | llvm::Type *TypeParams[] = { | ||||
2110 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, CGM.SizeTy, | ||||
2111 | CGM.VoidPtrTy, ReduceFnTy->getPointerTo(), | ||||
2112 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
2113 | auto *FnTy = | ||||
2114 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2115 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_reduce"); | ||||
2116 | break; | ||||
2117 | } | ||||
2118 | case OMPRTL__kmpc_reduce_nowait: { | ||||
2119 | // Build kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 | ||||
2120 | // global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, | ||||
2121 | // void (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name | ||||
2122 | // *lck); | ||||
2123 | llvm::Type *ReduceTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2124 | auto *ReduceFnTy = llvm::FunctionType::get(CGM.VoidTy, ReduceTypeParams, | ||||
2125 | /*isVarArg=*/false); | ||||
2126 | llvm::Type *TypeParams[] = { | ||||
2127 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, CGM.SizeTy, | ||||
2128 | CGM.VoidPtrTy, ReduceFnTy->getPointerTo(), | ||||
2129 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
2130 | auto *FnTy = | ||||
2131 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2132 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_reduce_nowait"); | ||||
2133 | break; | ||||
2134 | } | ||||
2135 | case OMPRTL__kmpc_end_reduce: { | ||||
2136 | // Build void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, | ||||
2137 | // kmp_critical_name *lck); | ||||
2138 | llvm::Type *TypeParams[] = { | ||||
2139 | getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2140 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
2141 | auto *FnTy = | ||||
2142 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2143 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_reduce"); | ||||
2144 | break; | ||||
2145 | } | ||||
2146 | case OMPRTL__kmpc_end_reduce_nowait: { | ||||
2147 | // Build __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, | ||||
2148 | // kmp_critical_name *lck); | ||||
2149 | llvm::Type *TypeParams[] = { | ||||
2150 | getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2151 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | ||||
2152 | auto *FnTy = | ||||
2153 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2154 | RTLFn = | ||||
2155 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_reduce_nowait"); | ||||
2156 | break; | ||||
2157 | } | ||||
2158 | case OMPRTL__kmpc_omp_task_begin_if0: { | ||||
2159 | // Build void __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | ||||
2160 | // *new_task); | ||||
2161 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2162 | CGM.VoidPtrTy}; | ||||
2163 | auto *FnTy = | ||||
2164 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2165 | RTLFn = | ||||
2166 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_begin_if0"); | ||||
2167 | break; | ||||
2168 | } | ||||
2169 | case OMPRTL__kmpc_omp_task_complete_if0: { | ||||
2170 | // Build void __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | ||||
2171 | // *new_task); | ||||
2172 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2173 | CGM.VoidPtrTy}; | ||||
2174 | auto *FnTy = | ||||
2175 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2176 | RTLFn = CGM.CreateRuntimeFunction(FnTy, | ||||
2177 | /*Name=*/"__kmpc_omp_task_complete_if0"); | ||||
2178 | break; | ||||
2179 | } | ||||
2180 | case OMPRTL__kmpc_ordered: { | ||||
2181 | // Build void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid); | ||||
2182 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2183 | auto *FnTy = | ||||
2184 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2185 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_ordered"); | ||||
2186 | break; | ||||
2187 | } | ||||
2188 | case OMPRTL__kmpc_end_ordered: { | ||||
2189 | // Build void __kmpc_end_ordered(ident_t *loc, kmp_int32 global_tid); | ||||
2190 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2191 | auto *FnTy = | ||||
2192 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2193 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_ordered"); | ||||
2194 | break; | ||||
2195 | } | ||||
2196 | case OMPRTL__kmpc_omp_taskwait: { | ||||
2197 | // Build kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 global_tid); | ||||
2198 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2199 | auto *FnTy = | ||||
2200 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2201 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_omp_taskwait"); | ||||
2202 | break; | ||||
2203 | } | ||||
2204 | case OMPRTL__kmpc_taskgroup: { | ||||
2205 | // Build void __kmpc_taskgroup(ident_t *loc, kmp_int32 global_tid); | ||||
2206 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2207 | auto *FnTy = | ||||
2208 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2209 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_taskgroup"); | ||||
2210 | break; | ||||
2211 | } | ||||
2212 | case OMPRTL__kmpc_end_taskgroup: { | ||||
2213 | // Build void __kmpc_end_taskgroup(ident_t *loc, kmp_int32 global_tid); | ||||
2214 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2215 | auto *FnTy = | ||||
2216 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2217 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_taskgroup"); | ||||
2218 | break; | ||||
2219 | } | ||||
2220 | case OMPRTL__kmpc_push_proc_bind: { | ||||
2221 | // Build void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 global_tid, | ||||
2222 | // int proc_bind) | ||||
2223 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | ||||
2224 | auto *FnTy = | ||||
2225 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2226 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_proc_bind"); | ||||
2227 | break; | ||||
2228 | } | ||||
2229 | case OMPRTL__kmpc_omp_task_with_deps: { | ||||
2230 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | ||||
2231 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | ||||
2232 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | ||||
2233 | llvm::Type *TypeParams[] = { | ||||
2234 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.VoidPtrTy, CGM.Int32Ty, | ||||
2235 | CGM.VoidPtrTy, CGM.Int32Ty, CGM.VoidPtrTy}; | ||||
2236 | auto *FnTy = | ||||
2237 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | ||||
2238 | RTLFn = | ||||
2239 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_with_deps"); | ||||
2240 | break; | ||||
2241 | } | ||||
2242 | case OMPRTL__kmpc_omp_wait_deps: { | ||||
2243 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | ||||
2244 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, | ||||
2245 | // kmp_depend_info_t *noalias_dep_list); | ||||
2246 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2247 | CGM.Int32Ty, CGM.VoidPtrTy, | ||||
2248 | CGM.Int32Ty, CGM.VoidPtrTy}; | ||||
2249 | auto *FnTy = | ||||
2250 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2251 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_wait_deps"); | ||||
2252 | break; | ||||
2253 | } | ||||
2254 | case OMPRTL__kmpc_cancellationpoint: { | ||||
2255 | // Build kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | ||||
2256 | // global_tid, kmp_int32 cncl_kind) | ||||
2257 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | ||||
2258 | auto *FnTy = | ||||
2259 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2260 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_cancellationpoint"); | ||||
2261 | break; | ||||
2262 | } | ||||
2263 | case OMPRTL__kmpc_cancel: { | ||||
2264 | // Build kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | ||||
2265 | // kmp_int32 cncl_kind) | ||||
2266 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | ||||
2267 | auto *FnTy = | ||||
2268 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2269 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_cancel"); | ||||
2270 | break; | ||||
2271 | } | ||||
2272 | case OMPRTL__kmpc_push_num_teams: { | ||||
2273 | // Build void kmpc_push_num_teams (ident_t loc, kmp_int32 global_tid, | ||||
2274 | // kmp_int32 num_teams, kmp_int32 num_threads) | ||||
2275 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | ||||
2276 | CGM.Int32Ty}; | ||||
2277 | auto *FnTy = | ||||
2278 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2279 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_num_teams"); | ||||
2280 | break; | ||||
2281 | } | ||||
2282 | case OMPRTL__kmpc_fork_teams: { | ||||
2283 | // Build void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro | ||||
2284 | // microtask, ...); | ||||
2285 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2286 | getKmpc_MicroPointerTy()}; | ||||
2287 | auto *FnTy = | ||||
2288 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ true); | ||||
2289 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_fork_teams"); | ||||
2290 | if (auto *F = dyn_cast<llvm::Function>(RTLFn.getCallee())) { | ||||
2291 | if (!F->hasMetadata(llvm::LLVMContext::MD_callback)) { | ||||
2292 | llvm::LLVMContext &Ctx = F->getContext(); | ||||
2293 | llvm::MDBuilder MDB(Ctx); | ||||
2294 | // Annotate the callback behavior of the __kmpc_fork_teams: | ||||
2295 | // - The callback callee is argument number 2 (microtask). | ||||
2296 | // - The first two arguments of the callback callee are unknown (-1). | ||||
2297 | // - All variadic arguments to the __kmpc_fork_teams are passed to the | ||||
2298 | // callback callee. | ||||
2299 | F->addMetadata( | ||||
2300 | llvm::LLVMContext::MD_callback, | ||||
2301 | *llvm::MDNode::get(Ctx, {MDB.createCallbackEncoding( | ||||
2302 | 2, {-1, -1}, | ||||
2303 | /* VarArgsArePassed */ true)})); | ||||
2304 | } | ||||
2305 | } | ||||
2306 | break; | ||||
2307 | } | ||||
2308 | case OMPRTL__kmpc_taskloop: { | ||||
2309 | // Build void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | ||||
2310 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | ||||
2311 | // sched, kmp_uint64 grainsize, void *task_dup); | ||||
2312 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), | ||||
2313 | CGM.IntTy, | ||||
2314 | CGM.VoidPtrTy, | ||||
2315 | CGM.IntTy, | ||||
2316 | CGM.Int64Ty->getPointerTo(), | ||||
2317 | CGM.Int64Ty->getPointerTo(), | ||||
2318 | CGM.Int64Ty, | ||||
2319 | CGM.IntTy, | ||||
2320 | CGM.IntTy, | ||||
2321 | CGM.Int64Ty, | ||||
2322 | CGM.VoidPtrTy}; | ||||
2323 | auto *FnTy = | ||||
2324 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2325 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_taskloop"); | ||||
2326 | break; | ||||
2327 | } | ||||
2328 | case OMPRTL__kmpc_doacross_init: { | ||||
2329 | // Build void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, kmp_int32 | ||||
2330 | // num_dims, struct kmp_dim *dims); | ||||
2331 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), | ||||
2332 | CGM.Int32Ty, | ||||
2333 | CGM.Int32Ty, | ||||
2334 | CGM.VoidPtrTy}; | ||||
2335 | auto *FnTy = | ||||
2336 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2337 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_init"); | ||||
2338 | break; | ||||
2339 | } | ||||
2340 | case OMPRTL__kmpc_doacross_fini: { | ||||
2341 | // Build void __kmpc_doacross_fini(ident_t *loc, kmp_int32 gtid); | ||||
2342 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | ||||
2343 | auto *FnTy = | ||||
2344 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2345 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_fini"); | ||||
2346 | break; | ||||
2347 | } | ||||
2348 | case OMPRTL__kmpc_doacross_post: { | ||||
2349 | // Build void __kmpc_doacross_post(ident_t *loc, kmp_int32 gtid, kmp_int64 | ||||
2350 | // *vec); | ||||
2351 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2352 | CGM.Int64Ty->getPointerTo()}; | ||||
2353 | auto *FnTy = | ||||
2354 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2355 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_post"); | ||||
2356 | break; | ||||
2357 | } | ||||
2358 | case OMPRTL__kmpc_doacross_wait: { | ||||
2359 | // Build void __kmpc_doacross_wait(ident_t *loc, kmp_int32 gtid, kmp_int64 | ||||
2360 | // *vec); | ||||
2361 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | ||||
2362 | CGM.Int64Ty->getPointerTo()}; | ||||
2363 | auto *FnTy = | ||||
2364 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2365 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_wait"); | ||||
2366 | break; | ||||
2367 | } | ||||
2368 | case OMPRTL__kmpc_task_reduction_init: { | ||||
2369 | // Build void *__kmpc_task_reduction_init(int gtid, int num_data, void | ||||
2370 | // *data); | ||||
2371 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.IntTy, CGM.VoidPtrTy}; | ||||
2372 | auto *FnTy = | ||||
2373 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | ||||
2374 | RTLFn = | ||||
2375 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_task_reduction_init"); | ||||
2376 | break; | ||||
2377 | } | ||||
2378 | case OMPRTL__kmpc_task_reduction_get_th_data: { | ||||
2379 | // Build void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | ||||
2380 | // *d); | ||||
2381 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2382 | auto *FnTy = | ||||
2383 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | ||||
2384 | RTLFn = CGM.CreateRuntimeFunction( | ||||
2385 | FnTy, /*Name=*/"__kmpc_task_reduction_get_th_data"); | ||||
2386 | break; | ||||
2387 | } | ||||
2388 | case OMPRTL__kmpc_alloc: { | ||||
2389 | // Build to void *__kmpc_alloc(int gtid, size_t sz, omp_allocator_handle_t | ||||
2390 | // al); omp_allocator_handle_t type is void *. | ||||
2391 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.SizeTy, CGM.VoidPtrTy}; | ||||
2392 | auto *FnTy = | ||||
2393 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | ||||
2394 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_alloc"); | ||||
2395 | break; | ||||
2396 | } | ||||
2397 | case OMPRTL__kmpc_free: { | ||||
2398 | // Build to void __kmpc_free(int gtid, void *ptr, omp_allocator_handle_t | ||||
2399 | // al); omp_allocator_handle_t type is void *. | ||||
2400 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2401 | auto *FnTy = | ||||
2402 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2403 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_free"); | ||||
2404 | break; | ||||
2405 | } | ||||
2406 | case OMPRTL__kmpc_push_target_tripcount: { | ||||
2407 | // Build void __kmpc_push_target_tripcount(int64_t device_id, kmp_uint64 | ||||
2408 | // size); | ||||
2409 | llvm::Type *TypeParams[] = {CGM.Int64Ty, CGM.Int64Ty}; | ||||
2410 | llvm::FunctionType *FnTy = | ||||
2411 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2412 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_target_tripcount"); | ||||
2413 | break; | ||||
2414 | } | ||||
2415 | case OMPRTL__tgt_target: { | ||||
2416 | // Build int32_t __tgt_target(int64_t device_id, void *host_ptr, int32_t | ||||
2417 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
2418 | // *arg_types); | ||||
2419 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2420 | CGM.VoidPtrTy, | ||||
2421 | CGM.Int32Ty, | ||||
2422 | CGM.VoidPtrPtrTy, | ||||
2423 | CGM.VoidPtrPtrTy, | ||||
2424 | CGM.Int64Ty->getPointerTo(), | ||||
2425 | CGM.Int64Ty->getPointerTo()}; | ||||
2426 | auto *FnTy = | ||||
2427 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2428 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target"); | ||||
2429 | break; | ||||
2430 | } | ||||
2431 | case OMPRTL__tgt_target_nowait: { | ||||
2432 | // Build int32_t __tgt_target_nowait(int64_t device_id, void *host_ptr, | ||||
2433 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, | ||||
2434 | // int64_t *arg_types); | ||||
2435 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2436 | CGM.VoidPtrTy, | ||||
2437 | CGM.Int32Ty, | ||||
2438 | CGM.VoidPtrPtrTy, | ||||
2439 | CGM.VoidPtrPtrTy, | ||||
2440 | CGM.Int64Ty->getPointerTo(), | ||||
2441 | CGM.Int64Ty->getPointerTo()}; | ||||
2442 | auto *FnTy = | ||||
2443 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2444 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_nowait"); | ||||
2445 | break; | ||||
2446 | } | ||||
2447 | case OMPRTL__tgt_target_teams: { | ||||
2448 | // Build int32_t __tgt_target_teams(int64_t device_id, void *host_ptr, | ||||
2449 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, | ||||
2450 | // int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | ||||
2451 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2452 | CGM.VoidPtrTy, | ||||
2453 | CGM.Int32Ty, | ||||
2454 | CGM.VoidPtrPtrTy, | ||||
2455 | CGM.VoidPtrPtrTy, | ||||
2456 | CGM.Int64Ty->getPointerTo(), | ||||
2457 | CGM.Int64Ty->getPointerTo(), | ||||
2458 | CGM.Int32Ty, | ||||
2459 | CGM.Int32Ty}; | ||||
2460 | auto *FnTy = | ||||
2461 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2462 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_teams"); | ||||
2463 | break; | ||||
2464 | } | ||||
2465 | case OMPRTL__tgt_target_teams_nowait: { | ||||
2466 | // Build int32_t __tgt_target_teams_nowait(int64_t device_id, void | ||||
2467 | // *host_ptr, int32_t arg_num, void** args_base, void **args, int64_t | ||||
2468 | // *arg_sizes, int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | ||||
2469 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2470 | CGM.VoidPtrTy, | ||||
2471 | CGM.Int32Ty, | ||||
2472 | CGM.VoidPtrPtrTy, | ||||
2473 | CGM.VoidPtrPtrTy, | ||||
2474 | CGM.Int64Ty->getPointerTo(), | ||||
2475 | CGM.Int64Ty->getPointerTo(), | ||||
2476 | CGM.Int32Ty, | ||||
2477 | CGM.Int32Ty}; | ||||
2478 | auto *FnTy = | ||||
2479 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2480 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_teams_nowait"); | ||||
2481 | break; | ||||
2482 | } | ||||
2483 | case OMPRTL__tgt_register_requires: { | ||||
2484 | // Build void __tgt_register_requires(int64_t flags); | ||||
2485 | llvm::Type *TypeParams[] = {CGM.Int64Ty}; | ||||
2486 | auto *FnTy = | ||||
2487 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2488 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_register_requires"); | ||||
2489 | break; | ||||
2490 | } | ||||
2491 | case OMPRTL__tgt_target_data_begin: { | ||||
2492 | // Build void __tgt_target_data_begin(int64_t device_id, int32_t arg_num, | ||||
2493 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | ||||
2494 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2495 | CGM.Int32Ty, | ||||
2496 | CGM.VoidPtrPtrTy, | ||||
2497 | CGM.VoidPtrPtrTy, | ||||
2498 | CGM.Int64Ty->getPointerTo(), | ||||
2499 | CGM.Int64Ty->getPointerTo()}; | ||||
2500 | auto *FnTy = | ||||
2501 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2502 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_begin"); | ||||
2503 | break; | ||||
2504 | } | ||||
2505 | case OMPRTL__tgt_target_data_begin_nowait: { | ||||
2506 | // Build void __tgt_target_data_begin_nowait(int64_t device_id, int32_t | ||||
2507 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
2508 | // *arg_types); | ||||
2509 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2510 | CGM.Int32Ty, | ||||
2511 | CGM.VoidPtrPtrTy, | ||||
2512 | CGM.VoidPtrPtrTy, | ||||
2513 | CGM.Int64Ty->getPointerTo(), | ||||
2514 | CGM.Int64Ty->getPointerTo()}; | ||||
2515 | auto *FnTy = | ||||
2516 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2517 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_begin_nowait"); | ||||
2518 | break; | ||||
2519 | } | ||||
2520 | case OMPRTL__tgt_target_data_end: { | ||||
2521 | // Build void __tgt_target_data_end(int64_t device_id, int32_t arg_num, | ||||
2522 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | ||||
2523 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2524 | CGM.Int32Ty, | ||||
2525 | CGM.VoidPtrPtrTy, | ||||
2526 | CGM.VoidPtrPtrTy, | ||||
2527 | CGM.Int64Ty->getPointerTo(), | ||||
2528 | CGM.Int64Ty->getPointerTo()}; | ||||
2529 | auto *FnTy = | ||||
2530 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2531 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_end"); | ||||
2532 | break; | ||||
2533 | } | ||||
2534 | case OMPRTL__tgt_target_data_end_nowait: { | ||||
2535 | // Build void __tgt_target_data_end_nowait(int64_t device_id, int32_t | ||||
2536 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
2537 | // *arg_types); | ||||
2538 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2539 | CGM.Int32Ty, | ||||
2540 | CGM.VoidPtrPtrTy, | ||||
2541 | CGM.VoidPtrPtrTy, | ||||
2542 | CGM.Int64Ty->getPointerTo(), | ||||
2543 | CGM.Int64Ty->getPointerTo()}; | ||||
2544 | auto *FnTy = | ||||
2545 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2546 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_end_nowait"); | ||||
2547 | break; | ||||
2548 | } | ||||
2549 | case OMPRTL__tgt_target_data_update: { | ||||
2550 | // Build void __tgt_target_data_update(int64_t device_id, int32_t arg_num, | ||||
2551 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | ||||
2552 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2553 | CGM.Int32Ty, | ||||
2554 | CGM.VoidPtrPtrTy, | ||||
2555 | CGM.VoidPtrPtrTy, | ||||
2556 | CGM.Int64Ty->getPointerTo(), | ||||
2557 | CGM.Int64Ty->getPointerTo()}; | ||||
2558 | auto *FnTy = | ||||
2559 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2560 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_update"); | ||||
2561 | break; | ||||
2562 | } | ||||
2563 | case OMPRTL__tgt_target_data_update_nowait: { | ||||
2564 | // Build void __tgt_target_data_update_nowait(int64_t device_id, int32_t | ||||
2565 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | ||||
2566 | // *arg_types); | ||||
2567 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | ||||
2568 | CGM.Int32Ty, | ||||
2569 | CGM.VoidPtrPtrTy, | ||||
2570 | CGM.VoidPtrPtrTy, | ||||
2571 | CGM.Int64Ty->getPointerTo(), | ||||
2572 | CGM.Int64Ty->getPointerTo()}; | ||||
2573 | auto *FnTy = | ||||
2574 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2575 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_update_nowait"); | ||||
2576 | break; | ||||
2577 | } | ||||
2578 | case OMPRTL__tgt_mapper_num_components: { | ||||
2579 | // Build int64_t __tgt_mapper_num_components(void *rt_mapper_handle); | ||||
2580 | llvm::Type *TypeParams[] = {CGM.VoidPtrTy}; | ||||
2581 | auto *FnTy = | ||||
2582 | llvm::FunctionType::get(CGM.Int64Ty, TypeParams, /*isVarArg*/ false); | ||||
2583 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_mapper_num_components"); | ||||
2584 | break; | ||||
2585 | } | ||||
2586 | case OMPRTL__tgt_push_mapper_component: { | ||||
2587 | // Build void __tgt_push_mapper_component(void *rt_mapper_handle, void | ||||
2588 | // *base, void *begin, int64_t size, int64_t type); | ||||
2589 | llvm::Type *TypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy, CGM.VoidPtrTy, | ||||
2590 | CGM.Int64Ty, CGM.Int64Ty}; | ||||
2591 | auto *FnTy = | ||||
2592 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2593 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_push_mapper_component"); | ||||
2594 | break; | ||||
2595 | } | ||||
2596 | } | ||||
2597 | assert(RTLFn && "Unable to find OpenMP runtime function")((RTLFn && "Unable to find OpenMP runtime function") ? static_cast<void> (0) : __assert_fail ("RTLFn && \"Unable to find OpenMP runtime function\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2597, __PRETTY_FUNCTION__)); | ||||
2598 | return RTLFn; | ||||
2599 | } | ||||
2600 | |||||
2601 | llvm::FunctionCallee | ||||
2602 | CGOpenMPRuntime::createForStaticInitFunction(unsigned IVSize, bool IVSigned) { | ||||
2603 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2604, __PRETTY_FUNCTION__)) | ||||
2604 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2604, __PRETTY_FUNCTION__)); | ||||
2605 | StringRef Name = IVSize == 32 ? (IVSigned ? "__kmpc_for_static_init_4" | ||||
2606 | : "__kmpc_for_static_init_4u") | ||||
2607 | : (IVSigned ? "__kmpc_for_static_init_8" | ||||
2608 | : "__kmpc_for_static_init_8u"); | ||||
2609 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||
2610 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||
2611 | llvm::Type *TypeParams[] = { | ||||
2612 | getIdentTyPointerTy(), // loc | ||||
2613 | CGM.Int32Ty, // tid | ||||
2614 | CGM.Int32Ty, // schedtype | ||||
2615 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||
2616 | PtrTy, // p_lower | ||||
2617 | PtrTy, // p_upper | ||||
2618 | PtrTy, // p_stride | ||||
2619 | ITy, // incr | ||||
2620 | ITy // chunk | ||||
2621 | }; | ||||
2622 | auto *FnTy = | ||||
2623 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2624 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||
2625 | } | ||||
2626 | |||||
2627 | llvm::FunctionCallee | ||||
2628 | CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize, bool IVSigned) { | ||||
2629 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2630, __PRETTY_FUNCTION__)) | ||||
2630 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2630, __PRETTY_FUNCTION__)); | ||||
2631 | StringRef Name = | ||||
2632 | IVSize == 32 | ||||
2633 | ? (IVSigned ? "__kmpc_dispatch_init_4" : "__kmpc_dispatch_init_4u") | ||||
2634 | : (IVSigned ? "__kmpc_dispatch_init_8" : "__kmpc_dispatch_init_8u"); | ||||
2635 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||
2636 | llvm::Type *TypeParams[] = { getIdentTyPointerTy(), // loc | ||||
2637 | CGM.Int32Ty, // tid | ||||
2638 | CGM.Int32Ty, // schedtype | ||||
2639 | ITy, // lower | ||||
2640 | ITy, // upper | ||||
2641 | ITy, // stride | ||||
2642 | ITy // chunk | ||||
2643 | }; | ||||
2644 | auto *FnTy = | ||||
2645 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | ||||
2646 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||
2647 | } | ||||
2648 | |||||
2649 | llvm::FunctionCallee | ||||
2650 | CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize, bool IVSigned) { | ||||
2651 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2652, __PRETTY_FUNCTION__)) | ||||
2652 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2652, __PRETTY_FUNCTION__)); | ||||
2653 | StringRef Name = | ||||
2654 | IVSize == 32 | ||||
2655 | ? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u") | ||||
2656 | : (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u"); | ||||
2657 | llvm::Type *TypeParams[] = { | ||||
2658 | getIdentTyPointerTy(), // loc | ||||
2659 | CGM.Int32Ty, // tid | ||||
2660 | }; | ||||
2661 | auto *FnTy = | ||||
2662 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | ||||
2663 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||
2664 | } | ||||
2665 | |||||
2666 | llvm::FunctionCallee | ||||
2667 | CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize, bool IVSigned) { | ||||
2668 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2669, __PRETTY_FUNCTION__)) | ||||
2669 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2669, __PRETTY_FUNCTION__)); | ||||
2670 | StringRef Name = | ||||
2671 | IVSize == 32 | ||||
2672 | ? (IVSigned ? "__kmpc_dispatch_next_4" : "__kmpc_dispatch_next_4u") | ||||
2673 | : (IVSigned ? "__kmpc_dispatch_next_8" : "__kmpc_dispatch_next_8u"); | ||||
2674 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | ||||
2675 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | ||||
2676 | llvm::Type *TypeParams[] = { | ||||
2677 | getIdentTyPointerTy(), // loc | ||||
2678 | CGM.Int32Ty, // tid | ||||
2679 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | ||||
2680 | PtrTy, // p_lower | ||||
2681 | PtrTy, // p_upper | ||||
2682 | PtrTy // p_stride | ||||
2683 | }; | ||||
2684 | auto *FnTy = | ||||
2685 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | ||||
2686 | return CGM.CreateRuntimeFunction(FnTy, Name); | ||||
2687 | } | ||||
2688 | |||||
2689 | /// Obtain information that uniquely identifies a target entry. This | ||||
2690 | /// consists of the file and device IDs as well as line number associated with | ||||
2691 | /// the relevant entry source location. | ||||
2692 | static void getTargetEntryUniqueInfo(ASTContext &C, SourceLocation Loc, | ||||
2693 | unsigned &DeviceID, unsigned &FileID, | ||||
2694 | unsigned &LineNum) { | ||||
2695 | SourceManager &SM = C.getSourceManager(); | ||||
2696 | |||||
2697 | // The loc should be always valid and have a file ID (the user cannot use | ||||
2698 | // #pragma directives in macros) | ||||
2699 | |||||
2700 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2700, __PRETTY_FUNCTION__)); | ||||
2701 | |||||
2702 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); | ||||
2703 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2703, __PRETTY_FUNCTION__)); | ||||
2704 | |||||
2705 | llvm::sys::fs::UniqueID ID; | ||||
2706 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) | ||||
2707 | SM.getDiagnostics().Report(diag::err_cannot_open_file) | ||||
2708 | << PLoc.getFilename() << EC.message(); | ||||
2709 | |||||
2710 | DeviceID = ID.getDevice(); | ||||
2711 | FileID = ID.getFile(); | ||||
2712 | LineNum = PLoc.getLine(); | ||||
2713 | } | ||||
2714 | |||||
2715 | Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) { | ||||
2716 | if (CGM.getLangOpts().OpenMPSimd) | ||||
2717 | return Address::invalid(); | ||||
2718 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
2719 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
2720 | if (Res && (*Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||
2721 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
2722 | HasRequiresUnifiedSharedMemory))) { | ||||
2723 | SmallString<64> PtrName; | ||||
2724 | { | ||||
2725 | llvm::raw_svector_ostream OS(PtrName); | ||||
2726 | OS << CGM.getMangledName(GlobalDecl(VD)); | ||||
2727 | if (!VD->isExternallyVisible()) { | ||||
2728 | unsigned DeviceID, FileID, Line; | ||||
2729 | getTargetEntryUniqueInfo(CGM.getContext(), | ||||
2730 | VD->getCanonicalDecl()->getBeginLoc(), | ||||
2731 | DeviceID, FileID, Line); | ||||
2732 | OS << llvm::format("_%x", FileID); | ||||
2733 | } | ||||
2734 | OS << "_decl_tgt_ref_ptr"; | ||||
2735 | } | ||||
2736 | llvm::Value *Ptr = CGM.getModule().getNamedValue(PtrName); | ||||
2737 | if (!Ptr) { | ||||
2738 | QualType PtrTy = CGM.getContext().getPointerType(VD->getType()); | ||||
2739 | Ptr = getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(PtrTy), | ||||
2740 | PtrName); | ||||
2741 | |||||
2742 | auto *GV = cast<llvm::GlobalVariable>(Ptr); | ||||
2743 | GV->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | ||||
2744 | |||||
2745 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||
2746 | GV->setInitializer(CGM.GetAddrOfGlobal(VD)); | ||||
2747 | registerTargetGlobalVariable(VD, cast<llvm::Constant>(Ptr)); | ||||
2748 | } | ||||
2749 | return Address(Ptr, CGM.getContext().getDeclAlign(VD)); | ||||
2750 | } | ||||
2751 | return Address::invalid(); | ||||
2752 | } | ||||
2753 | |||||
2754 | llvm::Constant * | ||||
2755 | CGOpenMPRuntime::getOrCreateThreadPrivateCache(const VarDecl *VD) { | ||||
2756 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2757, __PRETTY_FUNCTION__)) | ||||
2757 | !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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2757, __PRETTY_FUNCTION__)); | ||||
2758 | // Lookup the entry, lazily creating it if necessary. | ||||
2759 | std::string Suffix = getName({"cache", ""}); | ||||
2760 | return getOrCreateInternalVariable( | ||||
2761 | CGM.Int8PtrPtrTy, Twine(CGM.getMangledName(VD)).concat(Suffix)); | ||||
2762 | } | ||||
2763 | |||||
2764 | Address CGOpenMPRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | ||||
2765 | const VarDecl *VD, | ||||
2766 | Address VDAddr, | ||||
2767 | SourceLocation Loc) { | ||||
2768 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||
2769 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||
2770 | return VDAddr; | ||||
2771 | |||||
2772 | llvm::Type *VarTy = VDAddr.getElementType(); | ||||
2773 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
2774 | CGF.Builder.CreatePointerCast(VDAddr.getPointer(), | ||||
2775 | CGM.Int8PtrTy), | ||||
2776 | CGM.getSize(CGM.GetTargetTypeStoreSize(VarTy)), | ||||
2777 | getOrCreateThreadPrivateCache(VD)}; | ||||
2778 | return Address(CGF.EmitRuntimeCall( | ||||
2779 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_cached), Args), | ||||
2780 | VDAddr.getAlignment()); | ||||
2781 | } | ||||
2782 | |||||
2783 | void CGOpenMPRuntime::emitThreadPrivateVarInit( | ||||
2784 | CodeGenFunction &CGF, Address VDAddr, llvm::Value *Ctor, | ||||
2785 | llvm::Value *CopyCtor, llvm::Value *Dtor, SourceLocation Loc) { | ||||
2786 | // Call kmp_int32 __kmpc_global_thread_num(&loc) to init OpenMP runtime | ||||
2787 | // library. | ||||
2788 | llvm::Value *OMPLoc = emitUpdateLocation(CGF, Loc); | ||||
2789 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_global_thread_num), | ||||
2790 | OMPLoc); | ||||
2791 | // Call __kmpc_threadprivate_register(&loc, &var, ctor, cctor/*NULL*/, dtor) | ||||
2792 | // to register constructor/destructor for variable. | ||||
2793 | llvm::Value *Args[] = { | ||||
2794 | OMPLoc, CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.VoidPtrTy), | ||||
2795 | Ctor, CopyCtor, Dtor}; | ||||
2796 | CGF.EmitRuntimeCall( | ||||
2797 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_register), Args); | ||||
2798 | } | ||||
2799 | |||||
2800 | llvm::Function *CGOpenMPRuntime::emitThreadPrivateVarDefinition( | ||||
2801 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, | ||||
2802 | bool PerformInit, CodeGenFunction *CGF) { | ||||
2803 | if (CGM.getLangOpts().OpenMPUseTLS && | ||||
2804 | CGM.getContext().getTargetInfo().isTLSSupported()) | ||||
2805 | return nullptr; | ||||
2806 | |||||
2807 | VD = VD->getDefinition(CGM.getContext()); | ||||
2808 | if (VD && ThreadPrivateWithDefinition.insert(CGM.getMangledName(VD)).second) { | ||||
2809 | QualType ASTTy = VD->getType(); | ||||
2810 | |||||
2811 | llvm::Value *Ctor = nullptr, *CopyCtor = nullptr, *Dtor = nullptr; | ||||
2812 | const Expr *Init = VD->getAnyInitializer(); | ||||
2813 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||
2814 | // Generate function that re-emits the declaration's initializer into the | ||||
2815 | // threadprivate copy of the variable VD | ||||
2816 | CodeGenFunction CtorCGF(CGM); | ||||
2817 | FunctionArgList Args; | ||||
2818 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||
2819 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||
2820 | ImplicitParamDecl::Other); | ||||
2821 | Args.push_back(&Dst); | ||||
2822 | |||||
2823 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||
2824 | CGM.getContext().VoidPtrTy, Args); | ||||
2825 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||
2826 | std::string Name = getName({"__kmpc_global_ctor_", ""}); | ||||
2827 | llvm::Function *Fn = | ||||
2828 | CGM.CreateGlobalInitOrDestructFunction(FTy, Name, FI, Loc); | ||||
2829 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidPtrTy, Fn, FI, | ||||
2830 | Args, Loc, Loc); | ||||
2831 | llvm::Value *ArgVal = CtorCGF.EmitLoadOfScalar( | ||||
2832 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||
2833 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||
2834 | Address Arg = Address(ArgVal, VDAddr.getAlignment()); | ||||
2835 | Arg = CtorCGF.Builder.CreateElementBitCast( | ||||
2836 | Arg, CtorCGF.ConvertTypeForMem(ASTTy)); | ||||
2837 | CtorCGF.EmitAnyExprToMem(Init, Arg, Init->getType().getQualifiers(), | ||||
2838 | /*IsInitializer=*/true); | ||||
2839 | ArgVal = CtorCGF.EmitLoadOfScalar( | ||||
2840 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | ||||
2841 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||
2842 | CtorCGF.Builder.CreateStore(ArgVal, CtorCGF.ReturnValue); | ||||
2843 | CtorCGF.FinishFunction(); | ||||
2844 | Ctor = Fn; | ||||
2845 | } | ||||
2846 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||
2847 | // Generate function that emits destructor call for the threadprivate copy | ||||
2848 | // of the variable VD | ||||
2849 | CodeGenFunction DtorCGF(CGM); | ||||
2850 | FunctionArgList Args; | ||||
2851 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | ||||
2852 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | ||||
2853 | ImplicitParamDecl::Other); | ||||
2854 | Args.push_back(&Dst); | ||||
2855 | |||||
2856 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | ||||
2857 | CGM.getContext().VoidTy, Args); | ||||
2858 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||
2859 | std::string Name = getName({"__kmpc_global_dtor_", ""}); | ||||
2860 | llvm::Function *Fn = | ||||
2861 | CGM.CreateGlobalInitOrDestructFunction(FTy, Name, FI, Loc); | ||||
2862 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||
2863 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, Args, | ||||
2864 | Loc, Loc); | ||||
2865 | // Create a scope with an artificial location for the body of this function. | ||||
2866 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||
2867 | llvm::Value *ArgVal = DtorCGF.EmitLoadOfScalar( | ||||
2868 | DtorCGF.GetAddrOfLocalVar(&Dst), | ||||
2869 | /*Volatile=*/false, CGM.getContext().VoidPtrTy, Dst.getLocation()); | ||||
2870 | DtorCGF.emitDestroy(Address(ArgVal, VDAddr.getAlignment()), ASTTy, | ||||
2871 | DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||
2872 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||
2873 | DtorCGF.FinishFunction(); | ||||
2874 | Dtor = Fn; | ||||
2875 | } | ||||
2876 | // Do not emit init function if it is not required. | ||||
2877 | if (!Ctor && !Dtor) | ||||
2878 | return nullptr; | ||||
2879 | |||||
2880 | llvm::Type *CopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | ||||
2881 | auto *CopyCtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CopyCtorTyArgs, | ||||
2882 | /*isVarArg=*/false) | ||||
2883 | ->getPointerTo(); | ||||
2884 | // Copying constructor for the threadprivate variable. | ||||
2885 | // Must be NULL - reserved by runtime, but currently it requires that this | ||||
2886 | // parameter is always NULL. Otherwise it fires assertion. | ||||
2887 | CopyCtor = llvm::Constant::getNullValue(CopyCtorTy); | ||||
2888 | if (Ctor == nullptr) { | ||||
2889 | auto *CtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | ||||
2890 | /*isVarArg=*/false) | ||||
2891 | ->getPointerTo(); | ||||
2892 | Ctor = llvm::Constant::getNullValue(CtorTy); | ||||
2893 | } | ||||
2894 | if (Dtor == nullptr) { | ||||
2895 | auto *DtorTy = llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, | ||||
2896 | /*isVarArg=*/false) | ||||
2897 | ->getPointerTo(); | ||||
2898 | Dtor = llvm::Constant::getNullValue(DtorTy); | ||||
2899 | } | ||||
2900 | if (!CGF) { | ||||
2901 | auto *InitFunctionTy = | ||||
2902 | llvm::FunctionType::get(CGM.VoidTy, /*isVarArg*/ false); | ||||
2903 | std::string Name = getName({"__omp_threadprivate_init_", ""}); | ||||
2904 | llvm::Function *InitFunction = CGM.CreateGlobalInitOrDestructFunction( | ||||
2905 | InitFunctionTy, Name, CGM.getTypes().arrangeNullaryFunction()); | ||||
2906 | CodeGenFunction InitCGF(CGM); | ||||
2907 | FunctionArgList ArgList; | ||||
2908 | InitCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, InitFunction, | ||||
2909 | CGM.getTypes().arrangeNullaryFunction(), ArgList, | ||||
2910 | Loc, Loc); | ||||
2911 | emitThreadPrivateVarInit(InitCGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||
2912 | InitCGF.FinishFunction(); | ||||
2913 | return InitFunction; | ||||
2914 | } | ||||
2915 | emitThreadPrivateVarInit(*CGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | ||||
2916 | } | ||||
2917 | return nullptr; | ||||
2918 | } | ||||
2919 | |||||
2920 | bool CGOpenMPRuntime::emitDeclareTargetVarDefinition(const VarDecl *VD, | ||||
2921 | llvm::GlobalVariable *Addr, | ||||
2922 | bool PerformInit) { | ||||
2923 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | ||||
2924 | !CGM.getLangOpts().OpenMPIsDevice) | ||||
2925 | return false; | ||||
2926 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
2927 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
2928 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||
2929 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
2930 | HasRequiresUnifiedSharedMemory)) | ||||
2931 | return CGM.getLangOpts().OpenMPIsDevice; | ||||
2932 | VD = VD->getDefinition(CGM.getContext()); | ||||
2933 | if (VD && !DeclareTargetWithDefinition.insert(CGM.getMangledName(VD)).second) | ||||
2934 | return CGM.getLangOpts().OpenMPIsDevice; | ||||
2935 | |||||
2936 | QualType ASTTy = VD->getType(); | ||||
2937 | |||||
2938 | SourceLocation Loc = VD->getCanonicalDecl()->getBeginLoc(); | ||||
2939 | // Produce the unique prefix to identify the new target regions. We use | ||||
2940 | // the source location of the variable declaration which we know to not | ||||
2941 | // conflict with any target region. | ||||
2942 | unsigned DeviceID; | ||||
2943 | unsigned FileID; | ||||
2944 | unsigned Line; | ||||
2945 | getTargetEntryUniqueInfo(CGM.getContext(), Loc, DeviceID, FileID, Line); | ||||
2946 | SmallString<128> Buffer, Out; | ||||
2947 | { | ||||
2948 | llvm::raw_svector_ostream OS(Buffer); | ||||
2949 | OS << "__omp_offloading_" << llvm::format("_%x", DeviceID) | ||||
2950 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | ||||
2951 | } | ||||
2952 | |||||
2953 | const Expr *Init = VD->getAnyInitializer(); | ||||
2954 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | ||||
2955 | llvm::Constant *Ctor; | ||||
2956 | llvm::Constant *ID; | ||||
2957 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
2958 | // Generate function that re-emits the declaration's initializer into | ||||
2959 | // the threadprivate copy of the variable VD | ||||
2960 | CodeGenFunction CtorCGF(CGM); | ||||
2961 | |||||
2962 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||
2963 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||
2964 | llvm::Function *Fn = CGM.CreateGlobalInitOrDestructFunction( | ||||
2965 | FTy, Twine(Buffer, "_ctor"), FI, Loc); | ||||
2966 | auto NL = ApplyDebugLocation::CreateEmpty(CtorCGF); | ||||
2967 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||
2968 | FunctionArgList(), Loc, Loc); | ||||
2969 | auto AL = ApplyDebugLocation::CreateArtificial(CtorCGF); | ||||
2970 | CtorCGF.EmitAnyExprToMem(Init, | ||||
2971 | Address(Addr, CGM.getContext().getDeclAlign(VD)), | ||||
2972 | Init->getType().getQualifiers(), | ||||
2973 | /*IsInitializer=*/true); | ||||
2974 | CtorCGF.FinishFunction(); | ||||
2975 | Ctor = Fn; | ||||
2976 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||
2977 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Ctor)); | ||||
2978 | } else { | ||||
2979 | Ctor = new llvm::GlobalVariable( | ||||
2980 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||
2981 | llvm::GlobalValue::PrivateLinkage, | ||||
2982 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_ctor")); | ||||
2983 | ID = Ctor; | ||||
2984 | } | ||||
2985 | |||||
2986 | // Register the information for the entry associated with the constructor. | ||||
2987 | Out.clear(); | ||||
2988 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | ||||
2989 | DeviceID, FileID, Twine(Buffer, "_ctor").toStringRef(Out), Line, Ctor, | ||||
2990 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryCtor); | ||||
2991 | } | ||||
2992 | if (VD->getType().isDestructedType() != QualType::DK_none) { | ||||
2993 | llvm::Constant *Dtor; | ||||
2994 | llvm::Constant *ID; | ||||
2995 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
2996 | // Generate function that emits destructor call for the threadprivate | ||||
2997 | // copy of the variable VD | ||||
2998 | CodeGenFunction DtorCGF(CGM); | ||||
2999 | |||||
3000 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||
3001 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||
3002 | llvm::Function *Fn = CGM.CreateGlobalInitOrDestructFunction( | ||||
3003 | FTy, Twine(Buffer, "_dtor"), FI, Loc); | ||||
3004 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | ||||
3005 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | ||||
3006 | FunctionArgList(), Loc, Loc); | ||||
3007 | // Create a scope with an artificial location for the body of this | ||||
3008 | // function. | ||||
3009 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | ||||
3010 | DtorCGF.emitDestroy(Address(Addr, CGM.getContext().getDeclAlign(VD)), | ||||
3011 | ASTTy, DtorCGF.getDestroyer(ASTTy.isDestructedType()), | ||||
3012 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | ||||
3013 | DtorCGF.FinishFunction(); | ||||
3014 | Dtor = Fn; | ||||
3015 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | ||||
3016 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Dtor)); | ||||
3017 | } else { | ||||
3018 | Dtor = new llvm::GlobalVariable( | ||||
3019 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||
3020 | llvm::GlobalValue::PrivateLinkage, | ||||
3021 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_dtor")); | ||||
3022 | ID = Dtor; | ||||
3023 | } | ||||
3024 | // Register the information for the entry associated with the destructor. | ||||
3025 | Out.clear(); | ||||
3026 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | ||||
3027 | DeviceID, FileID, Twine(Buffer, "_dtor").toStringRef(Out), Line, Dtor, | ||||
3028 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryDtor); | ||||
3029 | } | ||||
3030 | return CGM.getLangOpts().OpenMPIsDevice; | ||||
3031 | } | ||||
3032 | |||||
3033 | Address CGOpenMPRuntime::getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, | ||||
3034 | QualType VarType, | ||||
3035 | StringRef Name) { | ||||
3036 | std::string Suffix = getName({"artificial", ""}); | ||||
3037 | llvm::Type *VarLVType = CGF.ConvertTypeForMem(VarType); | ||||
3038 | llvm::Value *GAddr = | ||||
3039 | getOrCreateInternalVariable(VarLVType, Twine(Name).concat(Suffix)); | ||||
3040 | if (CGM.getLangOpts().OpenMP && CGM.getLangOpts().OpenMPUseTLS && | ||||
3041 | CGM.getTarget().isTLSSupported()) { | ||||
3042 | cast<llvm::GlobalVariable>(GAddr)->setThreadLocal(/*Val=*/true); | ||||
3043 | return Address(GAddr, CGM.getContext().getTypeAlignInChars(VarType)); | ||||
3044 | } | ||||
3045 | std::string CacheSuffix = getName({"cache", ""}); | ||||
3046 | llvm::Value *Args[] = { | ||||
3047 | emitUpdateLocation(CGF, SourceLocation()), | ||||
3048 | getThreadID(CGF, SourceLocation()), | ||||
3049 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy), | ||||
3050 | CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy, | ||||
3051 | /*isSigned=*/false), | ||||
3052 | getOrCreateInternalVariable( | ||||
3053 | CGM.VoidPtrPtrTy, Twine(Name).concat(Suffix).concat(CacheSuffix))}; | ||||
3054 | return Address( | ||||
3055 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
3056 | CGF.EmitRuntimeCall( | ||||
3057 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_cached), Args), | ||||
3058 | VarLVType->getPointerTo(/*AddrSpace=*/0)), | ||||
3059 | CGM.getContext().getTypeAlignInChars(VarType)); | ||||
3060 | } | ||||
3061 | |||||
3062 | void CGOpenMPRuntime::emitIfClause(CodeGenFunction &CGF, const Expr *Cond, | ||||
3063 | const RegionCodeGenTy &ThenGen, | ||||
3064 | const RegionCodeGenTy &ElseGen) { | ||||
3065 | CodeGenFunction::LexicalScope ConditionScope(CGF, Cond->getSourceRange()); | ||||
3066 | |||||
3067 | // If the condition constant folds and can be elided, try to avoid emitting | ||||
3068 | // the condition and the dead arm of the if/else. | ||||
3069 | bool CondConstant; | ||||
3070 | if (CGF.ConstantFoldsToSimpleInteger(Cond, CondConstant)) { | ||||
3071 | if (CondConstant) | ||||
3072 | ThenGen(CGF); | ||||
3073 | else | ||||
3074 | ElseGen(CGF); | ||||
3075 | return; | ||||
3076 | } | ||||
3077 | |||||
3078 | // Otherwise, the condition did not fold, or we couldn't elide it. Just | ||||
3079 | // emit the conditional branch. | ||||
3080 | llvm::BasicBlock *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||
3081 | llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); | ||||
3082 | llvm::BasicBlock *ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||
3083 | CGF.EmitBranchOnBoolExpr(Cond, ThenBlock, ElseBlock, /*TrueCount=*/0); | ||||
3084 | |||||
3085 | // Emit the 'then' code. | ||||
3086 | CGF.EmitBlock(ThenBlock); | ||||
3087 | ThenGen(CGF); | ||||
3088 | CGF.EmitBranch(ContBlock); | ||||
3089 | // Emit the 'else' code if present. | ||||
3090 | // There is no need to emit line number for unconditional branch. | ||||
3091 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||
3092 | CGF.EmitBlock(ElseBlock); | ||||
3093 | ElseGen(CGF); | ||||
3094 | // There is no need to emit line number for unconditional branch. | ||||
3095 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||
3096 | CGF.EmitBranch(ContBlock); | ||||
3097 | // Emit the continuation block for code after the if. | ||||
3098 | CGF.EmitBlock(ContBlock, /*IsFinished=*/true); | ||||
3099 | } | ||||
3100 | |||||
3101 | void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
3102 | llvm::Function *OutlinedFn, | ||||
3103 | ArrayRef<llvm::Value *> CapturedVars, | ||||
3104 | const Expr *IfCond) { | ||||
3105 | if (!CGF.HaveInsertPoint()) | ||||
3106 | return; | ||||
3107 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||
3108 | auto &&ThenGen = [OutlinedFn, CapturedVars, RTLoc](CodeGenFunction &CGF, | ||||
3109 | PrePostActionTy &) { | ||||
3110 | // Build call __kmpc_fork_call(loc, n, microtask, var1, .., varn); | ||||
3111 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
3112 | llvm::Value *Args[] = { | ||||
3113 | RTLoc, | ||||
3114 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | ||||
3115 | CGF.Builder.CreateBitCast(OutlinedFn, RT.getKmpc_MicroPointerTy())}; | ||||
3116 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | ||||
3117 | RealArgs.append(std::begin(Args), std::end(Args)); | ||||
3118 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||
3119 | |||||
3120 | llvm::FunctionCallee RTLFn = | ||||
3121 | RT.createRuntimeFunction(OMPRTL__kmpc_fork_call); | ||||
3122 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | ||||
3123 | }; | ||||
3124 | auto &&ElseGen = [OutlinedFn, CapturedVars, RTLoc, Loc](CodeGenFunction &CGF, | ||||
3125 | PrePostActionTy &) { | ||||
3126 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
3127 | llvm::Value *ThreadID = RT.getThreadID(CGF, Loc); | ||||
3128 | // Build calls: | ||||
3129 | // __kmpc_serialized_parallel(&Loc, GTid); | ||||
3130 | llvm::Value *Args[] = {RTLoc, ThreadID}; | ||||
3131 | CGF.EmitRuntimeCall( | ||||
3132 | RT.createRuntimeFunction(OMPRTL__kmpc_serialized_parallel), Args); | ||||
3133 | |||||
3134 | // OutlinedFn(>id, &zero_bound, CapturedStruct); | ||||
3135 | Address ThreadIDAddr = RT.emitThreadIDAddress(CGF, Loc); | ||||
3136 | Address ZeroAddrBound = | ||||
3137 | CGF.CreateDefaultAlignTempAlloca(CGF.Int32Ty, | ||||
3138 | /*Name=*/".bound.zero.addr"); | ||||
3139 | CGF.InitTempAlloca(ZeroAddrBound, CGF.Builder.getInt32(/*C*/ 0)); | ||||
3140 | llvm::SmallVector<llvm::Value *, 16> OutlinedFnArgs; | ||||
3141 | // ThreadId for serialized parallels is 0. | ||||
3142 | OutlinedFnArgs.push_back(ThreadIDAddr.getPointer()); | ||||
3143 | OutlinedFnArgs.push_back(ZeroAddrBound.getPointer()); | ||||
3144 | OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||
3145 | RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs); | ||||
3146 | |||||
3147 | // __kmpc_end_serialized_parallel(&Loc, GTid); | ||||
3148 | llvm::Value *EndArgs[] = {RT.emitUpdateLocation(CGF, Loc), ThreadID}; | ||||
3149 | CGF.EmitRuntimeCall( | ||||
3150 | RT.createRuntimeFunction(OMPRTL__kmpc_end_serialized_parallel), | ||||
3151 | EndArgs); | ||||
3152 | }; | ||||
3153 | if (IfCond) { | ||||
3154 | emitIfClause(CGF, IfCond, ThenGen, ElseGen); | ||||
3155 | } else { | ||||
3156 | RegionCodeGenTy ThenRCG(ThenGen); | ||||
3157 | ThenRCG(CGF); | ||||
3158 | } | ||||
3159 | } | ||||
3160 | |||||
3161 | // If we're inside an (outlined) parallel region, use the region info's | ||||
3162 | // thread-ID variable (it is passed in a first argument of the outlined function | ||||
3163 | // as "kmp_int32 *gtid"). Otherwise, if we're not inside parallel region, but in | ||||
3164 | // regular serial code region, get thread ID by calling kmp_int32 | ||||
3165 | // kmpc_global_thread_num(ident_t *loc), stash this thread ID in a temporary and | ||||
3166 | // return the address of that temp. | ||||
3167 | Address CGOpenMPRuntime::emitThreadIDAddress(CodeGenFunction &CGF, | ||||
3168 | SourceLocation Loc) { | ||||
3169 | if (auto *OMPRegionInfo = | ||||
3170 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||
3171 | if (OMPRegionInfo->getThreadIDVariable()) | ||||
3172 | return OMPRegionInfo->getThreadIDVariableLValue(CGF).getAddress(CGF); | ||||
3173 | |||||
3174 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||
3175 | QualType Int32Ty = | ||||
3176 | CGF.getContext().getIntTypeForBitwidth(/*DestWidth*/ 32, /*Signed*/ true); | ||||
3177 | Address ThreadIDTemp = CGF.CreateMemTemp(Int32Ty, /*Name*/ ".threadid_temp."); | ||||
3178 | CGF.EmitStoreOfScalar(ThreadID, | ||||
3179 | CGF.MakeAddrLValue(ThreadIDTemp, Int32Ty)); | ||||
3180 | |||||
3181 | return ThreadIDTemp; | ||||
3182 | } | ||||
3183 | |||||
3184 | llvm::Constant *CGOpenMPRuntime::getOrCreateInternalVariable( | ||||
3185 | llvm::Type *Ty, const llvm::Twine &Name, unsigned AddressSpace) { | ||||
3186 | SmallString<256> Buffer; | ||||
3187 | llvm::raw_svector_ostream Out(Buffer); | ||||
3188 | Out << Name; | ||||
3189 | StringRef RuntimeName = Out.str(); | ||||
3190 | auto &Elem = *InternalVars.try_emplace(RuntimeName, nullptr).first; | ||||
3191 | if (Elem.second) { | ||||
3192 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3193, __PRETTY_FUNCTION__)) | ||||
3193 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3193, __PRETTY_FUNCTION__)); | ||||
3194 | return &*Elem.second; | ||||
3195 | } | ||||
3196 | |||||
3197 | return Elem.second = new llvm::GlobalVariable( | ||||
3198 | CGM.getModule(), Ty, /*IsConstant*/ false, | ||||
3199 | llvm::GlobalValue::CommonLinkage, llvm::Constant::getNullValue(Ty), | ||||
3200 | Elem.first(), /*InsertBefore=*/nullptr, | ||||
3201 | llvm::GlobalValue::NotThreadLocal, AddressSpace); | ||||
3202 | } | ||||
3203 | |||||
3204 | llvm::Value *CGOpenMPRuntime::getCriticalRegionLock(StringRef CriticalName) { | ||||
3205 | std::string Prefix = Twine("gomp_critical_user_", CriticalName).str(); | ||||
3206 | std::string Name = getName({Prefix, "var"}); | ||||
3207 | return getOrCreateInternalVariable(KmpCriticalNameTy, Name); | ||||
3208 | } | ||||
3209 | |||||
3210 | namespace { | ||||
3211 | /// Common pre(post)-action for different OpenMP constructs. | ||||
3212 | class CommonActionTy final : public PrePostActionTy { | ||||
3213 | llvm::FunctionCallee EnterCallee; | ||||
3214 | ArrayRef<llvm::Value *> EnterArgs; | ||||
3215 | llvm::FunctionCallee ExitCallee; | ||||
3216 | ArrayRef<llvm::Value *> ExitArgs; | ||||
3217 | bool Conditional; | ||||
3218 | llvm::BasicBlock *ContBlock = nullptr; | ||||
3219 | |||||
3220 | public: | ||||
3221 | CommonActionTy(llvm::FunctionCallee EnterCallee, | ||||
3222 | ArrayRef<llvm::Value *> EnterArgs, | ||||
3223 | llvm::FunctionCallee ExitCallee, | ||||
3224 | ArrayRef<llvm::Value *> ExitArgs, bool Conditional = false) | ||||
3225 | : EnterCallee(EnterCallee), EnterArgs(EnterArgs), ExitCallee(ExitCallee), | ||||
3226 | ExitArgs(ExitArgs), Conditional(Conditional) {} | ||||
3227 | void Enter(CodeGenFunction &CGF) override { | ||||
3228 | llvm::Value *EnterRes = CGF.EmitRuntimeCall(EnterCallee, EnterArgs); | ||||
3229 | if (Conditional) { | ||||
3230 | llvm::Value *CallBool = CGF.Builder.CreateIsNotNull(EnterRes); | ||||
3231 | auto *ThenBlock = CGF.createBasicBlock("omp_if.then"); | ||||
3232 | ContBlock = CGF.createBasicBlock("omp_if.end"); | ||||
3233 | // Generate the branch (If-stmt) | ||||
3234 | CGF.Builder.CreateCondBr(CallBool, ThenBlock, ContBlock); | ||||
3235 | CGF.EmitBlock(ThenBlock); | ||||
3236 | } | ||||
3237 | } | ||||
3238 | void Done(CodeGenFunction &CGF) { | ||||
3239 | // Emit the rest of blocks/branches | ||||
3240 | CGF.EmitBranch(ContBlock); | ||||
3241 | CGF.EmitBlock(ContBlock, true); | ||||
3242 | } | ||||
3243 | void Exit(CodeGenFunction &CGF) override { | ||||
3244 | CGF.EmitRuntimeCall(ExitCallee, ExitArgs); | ||||
3245 | } | ||||
3246 | }; | ||||
3247 | } // anonymous namespace | ||||
3248 | |||||
3249 | void CGOpenMPRuntime::emitCriticalRegion(CodeGenFunction &CGF, | ||||
3250 | StringRef CriticalName, | ||||
3251 | const RegionCodeGenTy &CriticalOpGen, | ||||
3252 | SourceLocation Loc, const Expr *Hint) { | ||||
3253 | // __kmpc_critical[_with_hint](ident_t *, gtid, Lock[, hint]); | ||||
3254 | // CriticalOpGen(); | ||||
3255 | // __kmpc_end_critical(ident_t *, gtid, Lock); | ||||
3256 | // Prepare arguments and build a call to __kmpc_critical | ||||
3257 | if (!CGF.HaveInsertPoint()) | ||||
3258 | return; | ||||
3259 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
3260 | getCriticalRegionLock(CriticalName)}; | ||||
3261 | llvm::SmallVector<llvm::Value *, 4> EnterArgs(std::begin(Args), | ||||
3262 | std::end(Args)); | ||||
3263 | if (Hint) { | ||||
3264 | EnterArgs.push_back(CGF.Builder.CreateIntCast( | ||||
3265 | CGF.EmitScalarExpr(Hint), CGM.IntPtrTy, /*isSigned=*/false)); | ||||
3266 | } | ||||
3267 | CommonActionTy Action( | ||||
3268 | createRuntimeFunction(Hint ? OMPRTL__kmpc_critical_with_hint | ||||
3269 | : OMPRTL__kmpc_critical), | ||||
3270 | EnterArgs, createRuntimeFunction(OMPRTL__kmpc_end_critical), Args); | ||||
3271 | CriticalOpGen.setAction(Action); | ||||
3272 | emitInlinedDirective(CGF, OMPD_critical, CriticalOpGen); | ||||
3273 | } | ||||
3274 | |||||
3275 | void CGOpenMPRuntime::emitMasterRegion(CodeGenFunction &CGF, | ||||
3276 | const RegionCodeGenTy &MasterOpGen, | ||||
3277 | SourceLocation Loc) { | ||||
3278 | if (!CGF.HaveInsertPoint()) | ||||
3279 | return; | ||||
3280 | // if(__kmpc_master(ident_t *, gtid)) { | ||||
3281 | // MasterOpGen(); | ||||
3282 | // __kmpc_end_master(ident_t *, gtid); | ||||
3283 | // } | ||||
3284 | // Prepare arguments and build a call to __kmpc_master | ||||
3285 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
3286 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_master), Args, | ||||
3287 | createRuntimeFunction(OMPRTL__kmpc_end_master), Args, | ||||
3288 | /*Conditional=*/true); | ||||
3289 | MasterOpGen.setAction(Action); | ||||
3290 | emitInlinedDirective(CGF, OMPD_master, MasterOpGen); | ||||
3291 | Action.Done(CGF); | ||||
3292 | } | ||||
3293 | |||||
3294 | void CGOpenMPRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | ||||
3295 | SourceLocation Loc) { | ||||
3296 | if (!CGF.HaveInsertPoint()) | ||||
3297 | return; | ||||
3298 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | ||||
3299 | if (OMPBuilder) { | ||||
3300 | OMPBuilder->CreateTaskyield(CGF.Builder); | ||||
3301 | } else { | ||||
3302 | // Build call __kmpc_omp_taskyield(loc, thread_id, 0); | ||||
3303 | llvm::Value *Args[] = { | ||||
3304 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
3305 | llvm::ConstantInt::get(CGM.IntTy, /*V=*/0, /*isSigned=*/true)}; | ||||
3306 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_taskyield), | ||||
3307 | Args); | ||||
3308 | } | ||||
3309 | |||||
3310 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||
3311 | Region->emitUntiedSwitch(CGF); | ||||
3312 | } | ||||
3313 | |||||
3314 | void CGOpenMPRuntime::emitTaskgroupRegion(CodeGenFunction &CGF, | ||||
3315 | const RegionCodeGenTy &TaskgroupOpGen, | ||||
3316 | SourceLocation Loc) { | ||||
3317 | if (!CGF.HaveInsertPoint()) | ||||
3318 | return; | ||||
3319 | // __kmpc_taskgroup(ident_t *, gtid); | ||||
3320 | // TaskgroupOpGen(); | ||||
3321 | // __kmpc_end_taskgroup(ident_t *, gtid); | ||||
3322 | // Prepare arguments and build a call to __kmpc_taskgroup | ||||
3323 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
3324 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_taskgroup), Args, | ||||
3325 | createRuntimeFunction(OMPRTL__kmpc_end_taskgroup), | ||||
3326 | Args); | ||||
3327 | TaskgroupOpGen.setAction(Action); | ||||
3328 | emitInlinedDirective(CGF, OMPD_taskgroup, TaskgroupOpGen); | ||||
3329 | } | ||||
3330 | |||||
3331 | /// Given an array of pointers to variables, project the address of a | ||||
3332 | /// given variable. | ||||
3333 | static Address emitAddrOfVarFromArray(CodeGenFunction &CGF, Address Array, | ||||
3334 | unsigned Index, const VarDecl *Var) { | ||||
3335 | // Pull out the pointer to the variable. | ||||
3336 | Address PtrAddr = CGF.Builder.CreateConstArrayGEP(Array, Index); | ||||
3337 | llvm::Value *Ptr = CGF.Builder.CreateLoad(PtrAddr); | ||||
3338 | |||||
3339 | Address Addr = Address(Ptr, CGF.getContext().getDeclAlign(Var)); | ||||
3340 | Addr = CGF.Builder.CreateElementBitCast( | ||||
3341 | Addr, CGF.ConvertTypeForMem(Var->getType())); | ||||
3342 | return Addr; | ||||
3343 | } | ||||
3344 | |||||
3345 | static llvm::Value *emitCopyprivateCopyFunction( | ||||
3346 | CodeGenModule &CGM, llvm::Type *ArgsType, | ||||
3347 | ArrayRef<const Expr *> CopyprivateVars, ArrayRef<const Expr *> DestExprs, | ||||
3348 | ArrayRef<const Expr *> SrcExprs, ArrayRef<const Expr *> AssignmentOps, | ||||
3349 | SourceLocation Loc) { | ||||
3350 | ASTContext &C = CGM.getContext(); | ||||
3351 | // void copy_func(void *LHSArg, void *RHSArg); | ||||
3352 | FunctionArgList Args; | ||||
3353 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
3354 | ImplicitParamDecl::Other); | ||||
3355 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
3356 | ImplicitParamDecl::Other); | ||||
3357 | Args.push_back(&LHSArg); | ||||
3358 | Args.push_back(&RHSArg); | ||||
3359 | const auto &CGFI = | ||||
3360 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
3361 | std::string Name = | ||||
3362 | CGM.getOpenMPRuntime().getName({"omp", "copyprivate", "copy_func"}); | ||||
3363 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||
3364 | llvm::GlobalValue::InternalLinkage, Name, | ||||
3365 | &CGM.getModule()); | ||||
3366 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||
3367 | Fn->setDoesNotRecurse(); | ||||
3368 | CodeGenFunction CGF(CGM); | ||||
3369 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||
3370 | // Dest = (void*[n])(LHSArg); | ||||
3371 | // Src = (void*[n])(RHSArg); | ||||
3372 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
3373 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||
3374 | ArgsType), CGF.getPointerAlign()); | ||||
3375 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
3376 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||
3377 | ArgsType), CGF.getPointerAlign()); | ||||
3378 | // *(Type0*)Dst[0] = *(Type0*)Src[0]; | ||||
3379 | // *(Type1*)Dst[1] = *(Type1*)Src[1]; | ||||
3380 | // ... | ||||
3381 | // *(Typen*)Dst[n] = *(Typen*)Src[n]; | ||||
3382 | for (unsigned I = 0, E = AssignmentOps.size(); I < E; ++I) { | ||||
3383 | const auto *DestVar = | ||||
3384 | cast<VarDecl>(cast<DeclRefExpr>(DestExprs[I])->getDecl()); | ||||
3385 | Address DestAddr = emitAddrOfVarFromArray(CGF, LHS, I, DestVar); | ||||
3386 | |||||
3387 | const auto *SrcVar = | ||||
3388 | cast<VarDecl>(cast<DeclRefExpr>(SrcExprs[I])->getDecl()); | ||||
3389 | Address SrcAddr = emitAddrOfVarFromArray(CGF, RHS, I, SrcVar); | ||||
3390 | |||||
3391 | const auto *VD = cast<DeclRefExpr>(CopyprivateVars[I])->getDecl(); | ||||
3392 | QualType Type = VD->getType(); | ||||
3393 | CGF.EmitOMPCopy(Type, DestAddr, SrcAddr, DestVar, SrcVar, AssignmentOps[I]); | ||||
3394 | } | ||||
3395 | CGF.FinishFunction(); | ||||
3396 | return Fn; | ||||
3397 | } | ||||
3398 | |||||
3399 | void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF, | ||||
3400 | const RegionCodeGenTy &SingleOpGen, | ||||
3401 | SourceLocation Loc, | ||||
3402 | ArrayRef<const Expr *> CopyprivateVars, | ||||
3403 | ArrayRef<const Expr *> SrcExprs, | ||||
3404 | ArrayRef<const Expr *> DstExprs, | ||||
3405 | ArrayRef<const Expr *> AssignmentOps) { | ||||
3406 | if (!CGF.HaveInsertPoint()) | ||||
3407 | return; | ||||
3408 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3410, __PRETTY_FUNCTION__)) | ||||
3409 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3410, __PRETTY_FUNCTION__)) | ||||
3410 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3410, __PRETTY_FUNCTION__)); | ||||
3411 | ASTContext &C = CGM.getContext(); | ||||
3412 | // int32 did_it = 0; | ||||
3413 | // if(__kmpc_single(ident_t *, gtid)) { | ||||
3414 | // SingleOpGen(); | ||||
3415 | // __kmpc_end_single(ident_t *, gtid); | ||||
3416 | // did_it = 1; | ||||
3417 | // } | ||||
3418 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||
3419 | // <copy_func>, did_it); | ||||
3420 | |||||
3421 | Address DidIt = Address::invalid(); | ||||
3422 | if (!CopyprivateVars.empty()) { | ||||
3423 | // int32 did_it = 0; | ||||
3424 | QualType KmpInt32Ty = | ||||
3425 | C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||
3426 | DidIt = CGF.CreateMemTemp(KmpInt32Ty, ".omp.copyprivate.did_it"); | ||||
3427 | CGF.Builder.CreateStore(CGF.Builder.getInt32(0), DidIt); | ||||
3428 | } | ||||
3429 | // Prepare arguments and build a call to __kmpc_single | ||||
3430 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
3431 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_single), Args, | ||||
3432 | createRuntimeFunction(OMPRTL__kmpc_end_single), Args, | ||||
3433 | /*Conditional=*/true); | ||||
3434 | SingleOpGen.setAction(Action); | ||||
3435 | emitInlinedDirective(CGF, OMPD_single, SingleOpGen); | ||||
3436 | if (DidIt.isValid()) { | ||||
3437 | // did_it = 1; | ||||
3438 | CGF.Builder.CreateStore(CGF.Builder.getInt32(1), DidIt); | ||||
3439 | } | ||||
3440 | Action.Done(CGF); | ||||
3441 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | ||||
3442 | // <copy_func>, did_it); | ||||
3443 | if (DidIt.isValid()) { | ||||
3444 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, CopyprivateVars.size()); | ||||
3445 | QualType CopyprivateArrayTy = C.getConstantArrayType( | ||||
3446 | C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||
3447 | /*IndexTypeQuals=*/0); | ||||
3448 | // Create a list of all private variables for copyprivate. | ||||
3449 | Address CopyprivateList = | ||||
3450 | CGF.CreateMemTemp(CopyprivateArrayTy, ".omp.copyprivate.cpr_list"); | ||||
3451 | for (unsigned I = 0, E = CopyprivateVars.size(); I < E; ++I) { | ||||
3452 | Address Elem = CGF.Builder.CreateConstArrayGEP(CopyprivateList, I); | ||||
3453 | CGF.Builder.CreateStore( | ||||
3454 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
3455 | CGF.EmitLValue(CopyprivateVars[I]).getPointer(CGF), | ||||
3456 | CGF.VoidPtrTy), | ||||
3457 | Elem); | ||||
3458 | } | ||||
3459 | // Build function that copies private values from single region to all other | ||||
3460 | // threads in the corresponding parallel region. | ||||
3461 | llvm::Value *CpyFn = emitCopyprivateCopyFunction( | ||||
3462 | CGM, CGF.ConvertTypeForMem(CopyprivateArrayTy)->getPointerTo(), | ||||
3463 | CopyprivateVars, SrcExprs, DstExprs, AssignmentOps, Loc); | ||||
3464 | llvm::Value *BufSize = CGF.getTypeSize(CopyprivateArrayTy); | ||||
3465 | Address CL = | ||||
3466 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(CopyprivateList, | ||||
3467 | CGF.VoidPtrTy); | ||||
3468 | llvm::Value *DidItVal = CGF.Builder.CreateLoad(DidIt); | ||||
3469 | llvm::Value *Args[] = { | ||||
3470 | emitUpdateLocation(CGF, Loc), // ident_t *<loc> | ||||
3471 | getThreadID(CGF, Loc), // i32 <gtid> | ||||
3472 | BufSize, // size_t <buf_size> | ||||
3473 | CL.getPointer(), // void *<copyprivate list> | ||||
3474 | CpyFn, // void (*) (void *, void *) <copy_func> | ||||
3475 | DidItVal // i32 did_it | ||||
3476 | }; | ||||
3477 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_copyprivate), Args); | ||||
3478 | } | ||||
3479 | } | ||||
3480 | |||||
3481 | void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF, | ||||
3482 | const RegionCodeGenTy &OrderedOpGen, | ||||
3483 | SourceLocation Loc, bool IsThreads) { | ||||
3484 | if (!CGF.HaveInsertPoint()) | ||||
3485 | return; | ||||
3486 | // __kmpc_ordered(ident_t *, gtid); | ||||
3487 | // OrderedOpGen(); | ||||
3488 | // __kmpc_end_ordered(ident_t *, gtid); | ||||
3489 | // Prepare arguments and build a call to __kmpc_ordered | ||||
3490 | if (IsThreads) { | ||||
3491 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
3492 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_ordered), Args, | ||||
3493 | createRuntimeFunction(OMPRTL__kmpc_end_ordered), | ||||
3494 | Args); | ||||
3495 | OrderedOpGen.setAction(Action); | ||||
3496 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||
3497 | return; | ||||
3498 | } | ||||
3499 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | ||||
3500 | } | ||||
3501 | |||||
3502 | unsigned CGOpenMPRuntime::getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind) { | ||||
3503 | unsigned Flags; | ||||
3504 | if (Kind == OMPD_for) | ||||
3505 | Flags = OMP_IDENT_BARRIER_IMPL_FOR; | ||||
3506 | else if (Kind == OMPD_sections) | ||||
3507 | Flags = OMP_IDENT_BARRIER_IMPL_SECTIONS; | ||||
3508 | else if (Kind == OMPD_single) | ||||
3509 | Flags = OMP_IDENT_BARRIER_IMPL_SINGLE; | ||||
3510 | else if (Kind == OMPD_barrier) | ||||
3511 | Flags = OMP_IDENT_BARRIER_EXPL; | ||||
3512 | else | ||||
3513 | Flags = OMP_IDENT_BARRIER_IMPL; | ||||
3514 | return Flags; | ||||
3515 | } | ||||
3516 | |||||
3517 | void CGOpenMPRuntime::getDefaultScheduleAndChunk( | ||||
3518 | CodeGenFunction &CGF, const OMPLoopDirective &S, | ||||
3519 | OpenMPScheduleClauseKind &ScheduleKind, const Expr *&ChunkExpr) const { | ||||
3520 | // Check if the loop directive is actually a doacross loop directive. In this | ||||
3521 | // case choose static, 1 schedule. | ||||
3522 | if (llvm::any_of( | ||||
3523 | S.getClausesOfKind<OMPOrderedClause>(), | ||||
3524 | [](const OMPOrderedClause *C) { return C->getNumForLoops(); })) { | ||||
3525 | ScheduleKind = OMPC_SCHEDULE_static; | ||||
3526 | // Chunk size is 1 in this case. | ||||
3527 | llvm::APInt ChunkSize(32, 1); | ||||
3528 | ChunkExpr = IntegerLiteral::Create( | ||||
3529 | CGF.getContext(), ChunkSize, | ||||
3530 | CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/0), | ||||
3531 | SourceLocation()); | ||||
3532 | } | ||||
3533 | } | ||||
3534 | |||||
3535 | void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
3536 | OpenMPDirectiveKind Kind, bool EmitChecks, | ||||
3537 | bool ForceSimpleCall) { | ||||
3538 | // Check if we should use the OMPBuilder | ||||
3539 | auto *OMPRegionInfo = | ||||
3540 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo); | ||||
3541 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | ||||
3542 | if (OMPBuilder) { | ||||
3543 | CGF.Builder.restoreIP(OMPBuilder->CreateBarrier( | ||||
3544 | CGF.Builder, Kind, ForceSimpleCall, EmitChecks)); | ||||
3545 | return; | ||||
3546 | } | ||||
3547 | |||||
3548 | if (!CGF.HaveInsertPoint()) | ||||
3549 | return; | ||||
3550 | // Build call __kmpc_cancel_barrier(loc, thread_id); | ||||
3551 | // Build call __kmpc_barrier(loc, thread_id); | ||||
3552 | unsigned Flags = getDefaultFlagsForBarriers(Kind); | ||||
3553 | // Build call __kmpc_cancel_barrier(loc, thread_id) or __kmpc_barrier(loc, | ||||
3554 | // thread_id); | ||||
3555 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, Flags), | ||||
3556 | getThreadID(CGF, Loc)}; | ||||
3557 | if (OMPRegionInfo) { | ||||
3558 | if (!ForceSimpleCall && OMPRegionInfo->hasCancel()) { | ||||
3559 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||
3560 | createRuntimeFunction(OMPRTL__kmpc_cancel_barrier), Args); | ||||
3561 | if (EmitChecks) { | ||||
3562 | // if (__kmpc_cancel_barrier()) { | ||||
3563 | // exit from construct; | ||||
3564 | // } | ||||
3565 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||
3566 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||
3567 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||
3568 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||
3569 | CGF.EmitBlock(ExitBB); | ||||
3570 | // exit from construct; | ||||
3571 | CodeGenFunction::JumpDest CancelDestination = | ||||
3572 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||
3573 | CGF.EmitBranchThroughCleanup(CancelDestination); | ||||
3574 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||
3575 | } | ||||
3576 | return; | ||||
3577 | } | ||||
3578 | } | ||||
3579 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_barrier), Args); | ||||
3580 | } | ||||
3581 | |||||
3582 | /// Map the OpenMP loop schedule to the runtime enumeration. | ||||
3583 | static OpenMPSchedType getRuntimeSchedule(OpenMPScheduleClauseKind ScheduleKind, | ||||
3584 | bool Chunked, bool Ordered) { | ||||
3585 | switch (ScheduleKind) { | ||||
3586 | case OMPC_SCHEDULE_static: | ||||
3587 | return Chunked ? (Ordered ? OMP_ord_static_chunked : OMP_sch_static_chunked) | ||||
3588 | : (Ordered ? OMP_ord_static : OMP_sch_static); | ||||
3589 | case OMPC_SCHEDULE_dynamic: | ||||
3590 | return Ordered ? OMP_ord_dynamic_chunked : OMP_sch_dynamic_chunked; | ||||
3591 | case OMPC_SCHEDULE_guided: | ||||
3592 | return Ordered ? OMP_ord_guided_chunked : OMP_sch_guided_chunked; | ||||
3593 | case OMPC_SCHEDULE_runtime: | ||||
3594 | return Ordered ? OMP_ord_runtime : OMP_sch_runtime; | ||||
3595 | case OMPC_SCHEDULE_auto: | ||||
3596 | return Ordered ? OMP_ord_auto : OMP_sch_auto; | ||||
3597 | case OMPC_SCHEDULE_unknown: | ||||
3598 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3598, __PRETTY_FUNCTION__)); | ||||
3599 | return Ordered ? OMP_ord_static : OMP_sch_static; | ||||
3600 | } | ||||
3601 | llvm_unreachable("Unexpected runtime schedule")::llvm::llvm_unreachable_internal("Unexpected runtime schedule" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3601); | ||||
3602 | } | ||||
3603 | |||||
3604 | /// Map the OpenMP distribute schedule to the runtime enumeration. | ||||
3605 | static OpenMPSchedType | ||||
3606 | getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) { | ||||
3607 | // only static is allowed for dist_schedule | ||||
3608 | return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static; | ||||
3609 | } | ||||
3610 | |||||
3611 | bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, | ||||
3612 | bool Chunked) const { | ||||
3613 | OpenMPSchedType Schedule = | ||||
3614 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||
3615 | return Schedule == OMP_sch_static; | ||||
3616 | } | ||||
3617 | |||||
3618 | bool CGOpenMPRuntime::isStaticNonchunked( | ||||
3619 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||
3620 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||
3621 | return Schedule == OMP_dist_sch_static; | ||||
3622 | } | ||||
3623 | |||||
3624 | bool CGOpenMPRuntime::isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, | ||||
3625 | bool Chunked) const { | ||||
3626 | OpenMPSchedType Schedule = | ||||
3627 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | ||||
3628 | return Schedule == OMP_sch_static_chunked; | ||||
3629 | } | ||||
3630 | |||||
3631 | bool CGOpenMPRuntime::isStaticChunked( | ||||
3632 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | ||||
3633 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | ||||
3634 | return Schedule == OMP_dist_sch_static_chunked; | ||||
3635 | } | ||||
3636 | |||||
3637 | bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const { | ||||
3638 | OpenMPSchedType Schedule = | ||||
3639 | getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false); | ||||
3640 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3640, __PRETTY_FUNCTION__)); | ||||
3641 | return Schedule != OMP_sch_static; | ||||
3642 | } | ||||
3643 | |||||
3644 | static int addMonoNonMonoModifier(CodeGenModule &CGM, OpenMPSchedType Schedule, | ||||
3645 | OpenMPScheduleClauseModifier M1, | ||||
3646 | OpenMPScheduleClauseModifier M2) { | ||||
3647 | int Modifier = 0; | ||||
3648 | switch (M1) { | ||||
3649 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||
3650 | Modifier = OMP_sch_modifier_monotonic; | ||||
3651 | break; | ||||
3652 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||
3653 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||
3654 | break; | ||||
3655 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||
3656 | if (Schedule == OMP_sch_static_chunked) | ||||
3657 | Schedule = OMP_sch_static_balanced_chunked; | ||||
3658 | break; | ||||
3659 | case OMPC_SCHEDULE_MODIFIER_last: | ||||
3660 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||
3661 | break; | ||||
3662 | } | ||||
3663 | switch (M2) { | ||||
3664 | case OMPC_SCHEDULE_MODIFIER_monotonic: | ||||
3665 | Modifier = OMP_sch_modifier_monotonic; | ||||
3666 | break; | ||||
3667 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | ||||
3668 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||
3669 | break; | ||||
3670 | case OMPC_SCHEDULE_MODIFIER_simd: | ||||
3671 | if (Schedule == OMP_sch_static_chunked) | ||||
3672 | Schedule = OMP_sch_static_balanced_chunked; | ||||
3673 | break; | ||||
3674 | case OMPC_SCHEDULE_MODIFIER_last: | ||||
3675 | case OMPC_SCHEDULE_MODIFIER_unknown: | ||||
3676 | break; | ||||
3677 | } | ||||
3678 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Desription. | ||||
3679 | // If the static schedule kind is specified or if the ordered clause is | ||||
3680 | // specified, and if the nonmonotonic modifier is not specified, the effect is | ||||
3681 | // as if the monotonic modifier is specified. Otherwise, unless the monotonic | ||||
3682 | // modifier is specified, the effect is as if the nonmonotonic modifier is | ||||
3683 | // specified. | ||||
3684 | if (CGM.getLangOpts().OpenMP >= 50 && Modifier == 0) { | ||||
3685 | if (!(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static || | ||||
3686 | Schedule == OMP_sch_static_balanced_chunked || | ||||
3687 | Schedule == OMP_ord_static_chunked || Schedule == OMP_ord_static || | ||||
3688 | Schedule == OMP_dist_sch_static_chunked || | ||||
3689 | Schedule == OMP_dist_sch_static)) | ||||
3690 | Modifier = OMP_sch_modifier_nonmonotonic; | ||||
3691 | } | ||||
3692 | return Schedule | Modifier; | ||||
3693 | } | ||||
3694 | |||||
3695 | void CGOpenMPRuntime::emitForDispatchInit( | ||||
3696 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
3697 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | ||||
3698 | bool Ordered, const DispatchRTInput &DispatchValues) { | ||||
3699 | if (!CGF.HaveInsertPoint()) | ||||
3700 | return; | ||||
3701 | OpenMPSchedType Schedule = getRuntimeSchedule( | ||||
3702 | ScheduleKind.Schedule, DispatchValues.Chunk != nullptr, Ordered); | ||||
3703 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3706, __PRETTY_FUNCTION__)) | ||||
3704 | (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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3706, __PRETTY_FUNCTION__)) | ||||
3705 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3706, __PRETTY_FUNCTION__)) | ||||
3706 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3706, __PRETTY_FUNCTION__)); | ||||
3707 | // Call __kmpc_dispatch_init( | ||||
3708 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedule, | ||||
3709 | // kmp_int[32|64] lower, kmp_int[32|64] upper, | ||||
3710 | // kmp_int[32|64] stride, kmp_int[32|64] chunk); | ||||
3711 | |||||
3712 | // If the Chunk was not specified in the clause - use default value 1. | ||||
3713 | llvm::Value *Chunk = DispatchValues.Chunk ? DispatchValues.Chunk | ||||
3714 | : CGF.Builder.getIntN(IVSize, 1); | ||||
3715 | llvm::Value *Args[] = { | ||||
3716 | emitUpdateLocation(CGF, Loc), | ||||
3717 | getThreadID(CGF, Loc), | ||||
3718 | CGF.Builder.getInt32(addMonoNonMonoModifier( | ||||
3719 | CGM, Schedule, ScheduleKind.M1, ScheduleKind.M2)), // Schedule type | ||||
3720 | DispatchValues.LB, // Lower | ||||
3721 | DispatchValues.UB, // Upper | ||||
3722 | CGF.Builder.getIntN(IVSize, 1), // Stride | ||||
3723 | Chunk // Chunk | ||||
3724 | }; | ||||
3725 | CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args); | ||||
3726 | } | ||||
3727 | |||||
3728 | static void emitForStaticInitCall( | ||||
3729 | CodeGenFunction &CGF, llvm::Value *UpdateLocation, llvm::Value *ThreadId, | ||||
3730 | llvm::FunctionCallee ForStaticInitFunction, OpenMPSchedType Schedule, | ||||
3731 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||
3732 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||
3733 | if (!CGF.HaveInsertPoint()) | ||||
3734 | return; | ||||
3735 | |||||
3736 | assert(!Values.Ordered)((!Values.Ordered) ? static_cast<void> (0) : __assert_fail ("!Values.Ordered", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3736, __PRETTY_FUNCTION__)); | ||||
3737 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3741, __PRETTY_FUNCTION__)) | ||||
3738 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3741, __PRETTY_FUNCTION__)) | ||||
3739 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3741, __PRETTY_FUNCTION__)) | ||||
3740 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3741, __PRETTY_FUNCTION__)) | ||||
3741 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3741, __PRETTY_FUNCTION__)); | ||||
3742 | |||||
3743 | // Call __kmpc_for_static_init( | ||||
3744 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedtype, | ||||
3745 | // kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower, | ||||
3746 | // kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride, | ||||
3747 | // kmp_int[32|64] incr, kmp_int[32|64] chunk); | ||||
3748 | llvm::Value *Chunk = Values.Chunk; | ||||
3749 | if (Chunk == nullptr) { | ||||
3750 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3752, __PRETTY_FUNCTION__)) | ||||
3751 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3752, __PRETTY_FUNCTION__)) | ||||
3752 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3752, __PRETTY_FUNCTION__)); | ||||
3753 | // If the Chunk was not specified in the clause - use default value 1. | ||||
3754 | Chunk = CGF.Builder.getIntN(Values.IVSize, 1); | ||||
3755 | } else { | ||||
3756 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3760, __PRETTY_FUNCTION__)) | ||||
3757 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3760, __PRETTY_FUNCTION__)) | ||||
3758 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3760, __PRETTY_FUNCTION__)) | ||||
3759 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3760, __PRETTY_FUNCTION__)) | ||||
3760 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3760, __PRETTY_FUNCTION__)); | ||||
3761 | } | ||||
3762 | llvm::Value *Args[] = { | ||||
3763 | UpdateLocation, | ||||
3764 | ThreadId, | ||||
3765 | CGF.Builder.getInt32(addMonoNonMonoModifier(CGF.CGM, Schedule, M1, | ||||
3766 | M2)), // Schedule type | ||||
3767 | Values.IL.getPointer(), // &isLastIter | ||||
3768 | Values.LB.getPointer(), // &LB | ||||
3769 | Values.UB.getPointer(), // &UB | ||||
3770 | Values.ST.getPointer(), // &Stride | ||||
3771 | CGF.Builder.getIntN(Values.IVSize, 1), // Incr | ||||
3772 | Chunk // Chunk | ||||
3773 | }; | ||||
3774 | CGF.EmitRuntimeCall(ForStaticInitFunction, Args); | ||||
3775 | } | ||||
3776 | |||||
3777 | void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF, | ||||
3778 | SourceLocation Loc, | ||||
3779 | OpenMPDirectiveKind DKind, | ||||
3780 | const OpenMPScheduleTy &ScheduleKind, | ||||
3781 | const StaticRTInput &Values) { | ||||
3782 | OpenMPSchedType ScheduleNum = getRuntimeSchedule( | ||||
3783 | ScheduleKind.Schedule, Values.Chunk != nullptr, Values.Ordered); | ||||
3784 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3785, __PRETTY_FUNCTION__)) | ||||
3785 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3785, __PRETTY_FUNCTION__)); | ||||
3786 | llvm::Value *UpdatedLocation = emitUpdateLocation(CGF, Loc, | ||||
3787 | isOpenMPLoopDirective(DKind) | ||||
3788 | ? OMP_IDENT_WORK_LOOP | ||||
3789 | : OMP_IDENT_WORK_SECTIONS); | ||||
3790 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||
3791 | llvm::FunctionCallee StaticInitFunction = | ||||
3792 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | ||||
3793 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||
3794 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||
3795 | ScheduleNum, ScheduleKind.M1, ScheduleKind.M2, Values); | ||||
3796 | } | ||||
3797 | |||||
3798 | void CGOpenMPRuntime::emitDistributeStaticInit( | ||||
3799 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
3800 | OpenMPDistScheduleClauseKind SchedKind, | ||||
3801 | const CGOpenMPRuntime::StaticRTInput &Values) { | ||||
3802 | OpenMPSchedType ScheduleNum = | ||||
3803 | getRuntimeSchedule(SchedKind, Values.Chunk != nullptr); | ||||
3804 | llvm::Value *UpdatedLocation = | ||||
3805 | emitUpdateLocation(CGF, Loc, OMP_IDENT_WORK_DISTRIBUTE); | ||||
3806 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||
3807 | llvm::FunctionCallee StaticInitFunction = | ||||
3808 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | ||||
3809 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | ||||
3810 | ScheduleNum, OMPC_SCHEDULE_MODIFIER_unknown, | ||||
3811 | OMPC_SCHEDULE_MODIFIER_unknown, Values); | ||||
3812 | } | ||||
3813 | |||||
3814 | void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF, | ||||
3815 | SourceLocation Loc, | ||||
3816 | OpenMPDirectiveKind DKind) { | ||||
3817 | if (!CGF.HaveInsertPoint()) | ||||
3818 | return; | ||||
3819 | // Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid); | ||||
3820 | llvm::Value *Args[] = { | ||||
3821 | emitUpdateLocation(CGF, Loc, | ||||
3822 | isOpenMPDistributeDirective(DKind) | ||||
3823 | ? OMP_IDENT_WORK_DISTRIBUTE | ||||
3824 | : isOpenMPLoopDirective(DKind) | ||||
3825 | ? OMP_IDENT_WORK_LOOP | ||||
3826 | : OMP_IDENT_WORK_SECTIONS), | ||||
3827 | getThreadID(CGF, Loc)}; | ||||
3828 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||
3829 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_for_static_fini), | ||||
3830 | Args); | ||||
3831 | } | ||||
3832 | |||||
3833 | void CGOpenMPRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | ||||
3834 | SourceLocation Loc, | ||||
3835 | unsigned IVSize, | ||||
3836 | bool IVSigned) { | ||||
3837 | if (!CGF.HaveInsertPoint()) | ||||
3838 | return; | ||||
3839 | // Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid); | ||||
3840 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
3841 | CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args); | ||||
3842 | } | ||||
3843 | |||||
3844 | llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF, | ||||
3845 | SourceLocation Loc, unsigned IVSize, | ||||
3846 | bool IVSigned, Address IL, | ||||
3847 | Address LB, Address UB, | ||||
3848 | Address ST) { | ||||
3849 | // Call __kmpc_dispatch_next( | ||||
3850 | // ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, | ||||
3851 | // kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, | ||||
3852 | // kmp_int[32|64] *p_stride); | ||||
3853 | llvm::Value *Args[] = { | ||||
3854 | emitUpdateLocation(CGF, Loc), | ||||
3855 | getThreadID(CGF, Loc), | ||||
3856 | IL.getPointer(), // &isLastIter | ||||
3857 | LB.getPointer(), // &Lower | ||||
3858 | UB.getPointer(), // &Upper | ||||
3859 | ST.getPointer() // &Stride | ||||
3860 | }; | ||||
3861 | llvm::Value *Call = | ||||
3862 | CGF.EmitRuntimeCall(createDispatchNextFunction(IVSize, IVSigned), Args); | ||||
3863 | return CGF.EmitScalarConversion( | ||||
3864 | Call, CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/1), | ||||
3865 | CGF.getContext().BoolTy, Loc); | ||||
3866 | } | ||||
3867 | |||||
3868 | void CGOpenMPRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | ||||
3869 | llvm::Value *NumThreads, | ||||
3870 | SourceLocation Loc) { | ||||
3871 | if (!CGF.HaveInsertPoint()) | ||||
3872 | return; | ||||
3873 | // Build call __kmpc_push_num_threads(&loc, global_tid, num_threads) | ||||
3874 | llvm::Value *Args[] = { | ||||
3875 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
3876 | CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned*/ true)}; | ||||
3877 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_num_threads), | ||||
3878 | Args); | ||||
3879 | } | ||||
3880 | |||||
3881 | void CGOpenMPRuntime::emitProcBindClause(CodeGenFunction &CGF, | ||||
3882 | ProcBindKind ProcBind, | ||||
3883 | SourceLocation Loc) { | ||||
3884 | if (!CGF.HaveInsertPoint()) | ||||
3885 | return; | ||||
3886 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3886, __PRETTY_FUNCTION__)); | ||||
3887 | // Build call __kmpc_push_proc_bind(&loc, global_tid, proc_bind) | ||||
3888 | llvm::Value *Args[] = { | ||||
3889 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
3890 | llvm::ConstantInt::get(CGM.IntTy, unsigned(ProcBind), /*isSigned=*/true)}; | ||||
3891 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_proc_bind), Args); | ||||
3892 | } | ||||
3893 | |||||
3894 | void CGOpenMPRuntime::emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *>, | ||||
3895 | SourceLocation Loc, llvm::AtomicOrdering AO) { | ||||
3896 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | ||||
3897 | if (OMPBuilder) { | ||||
3898 | OMPBuilder->CreateFlush(CGF.Builder); | ||||
3899 | } else { | ||||
3900 | if (!CGF.HaveInsertPoint()) | ||||
3901 | return; | ||||
3902 | // Build call void __kmpc_flush(ident_t *loc) | ||||
3903 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_flush), | ||||
3904 | emitUpdateLocation(CGF, Loc)); | ||||
3905 | } | ||||
3906 | } | ||||
3907 | |||||
3908 | namespace { | ||||
3909 | /// Indexes of fields for type kmp_task_t. | ||||
3910 | enum KmpTaskTFields { | ||||
3911 | /// List of shared variables. | ||||
3912 | KmpTaskTShareds, | ||||
3913 | /// Task routine. | ||||
3914 | KmpTaskTRoutine, | ||||
3915 | /// Partition id for the untied tasks. | ||||
3916 | KmpTaskTPartId, | ||||
3917 | /// Function with call of destructors for private variables. | ||||
3918 | Data1, | ||||
3919 | /// Task priority. | ||||
3920 | Data2, | ||||
3921 | /// (Taskloops only) Lower bound. | ||||
3922 | KmpTaskTLowerBound, | ||||
3923 | /// (Taskloops only) Upper bound. | ||||
3924 | KmpTaskTUpperBound, | ||||
3925 | /// (Taskloops only) Stride. | ||||
3926 | KmpTaskTStride, | ||||
3927 | /// (Taskloops only) Is last iteration flag. | ||||
3928 | KmpTaskTLastIter, | ||||
3929 | /// (Taskloops only) Reduction data. | ||||
3930 | KmpTaskTReductions, | ||||
3931 | }; | ||||
3932 | } // anonymous namespace | ||||
3933 | |||||
3934 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::empty() const { | ||||
3935 | return OffloadEntriesTargetRegion.empty() && | ||||
3936 | OffloadEntriesDeviceGlobalVar.empty(); | ||||
3937 | } | ||||
3938 | |||||
3939 | /// Initialize target region entry. | ||||
3940 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | ||||
3941 | initializeTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | ||||
3942 | StringRef ParentName, unsigned LineNum, | ||||
3943 | unsigned Order) { | ||||
3944 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3946, __PRETTY_FUNCTION__)) | ||||
3945 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3946, __PRETTY_FUNCTION__)) | ||||
3946 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3946, __PRETTY_FUNCTION__)); | ||||
3947 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = | ||||
3948 | OffloadEntryInfoTargetRegion(Order, /*Addr=*/nullptr, /*ID=*/nullptr, | ||||
3949 | OMPTargetRegionEntryTargetRegion); | ||||
3950 | ++OffloadingEntriesNum; | ||||
3951 | } | ||||
3952 | |||||
3953 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | ||||
3954 | registerTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | ||||
3955 | StringRef ParentName, unsigned LineNum, | ||||
3956 | llvm::Constant *Addr, llvm::Constant *ID, | ||||
3957 | OMPTargetRegionEntryKind Flags) { | ||||
3958 | // If we are emitting code for a target, the entry is already initialized, | ||||
3959 | // only has to be registered. | ||||
3960 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
3961 | if (!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum)) { | ||||
3962 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
3963 | DiagnosticsEngine::Error, | ||||
3964 | "Unable to find target region on line '%0' in the device code."); | ||||
3965 | CGM.getDiags().Report(DiagID) << LineNum; | ||||
3966 | return; | ||||
3967 | } | ||||
3968 | auto &Entry = | ||||
3969 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum]; | ||||
3970 | assert(Entry.isValid() && "Entry not initialized!")((Entry.isValid() && "Entry not initialized!") ? static_cast <void> (0) : __assert_fail ("Entry.isValid() && \"Entry not initialized!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3970, __PRETTY_FUNCTION__)); | ||||
3971 | Entry.setAddress(Addr); | ||||
3972 | Entry.setID(ID); | ||||
3973 | Entry.setFlags(Flags); | ||||
3974 | } else { | ||||
3975 | OffloadEntryInfoTargetRegion Entry(OffloadingEntriesNum, Addr, ID, Flags); | ||||
3976 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = Entry; | ||||
3977 | ++OffloadingEntriesNum; | ||||
3978 | } | ||||
3979 | } | ||||
3980 | |||||
3981 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::hasTargetRegionEntryInfo( | ||||
3982 | unsigned DeviceID, unsigned FileID, StringRef ParentName, | ||||
3983 | unsigned LineNum) const { | ||||
3984 | auto PerDevice = OffloadEntriesTargetRegion.find(DeviceID); | ||||
3985 | if (PerDevice == OffloadEntriesTargetRegion.end()) | ||||
3986 | return false; | ||||
3987 | auto PerFile = PerDevice->second.find(FileID); | ||||
3988 | if (PerFile == PerDevice->second.end()) | ||||
3989 | return false; | ||||
3990 | auto PerParentName = PerFile->second.find(ParentName); | ||||
3991 | if (PerParentName == PerFile->second.end()) | ||||
3992 | return false; | ||||
3993 | auto PerLine = PerParentName->second.find(LineNum); | ||||
3994 | if (PerLine == PerParentName->second.end()) | ||||
3995 | return false; | ||||
3996 | // Fail if this entry is already registered. | ||||
3997 | if (PerLine->second.getAddress() || PerLine->second.getID()) | ||||
3998 | return false; | ||||
3999 | return true; | ||||
4000 | } | ||||
4001 | |||||
4002 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy::actOnTargetRegionEntriesInfo( | ||||
4003 | const OffloadTargetRegionEntryInfoActTy &Action) { | ||||
4004 | // Scan all target region entries and perform the provided action. | ||||
4005 | for (const auto &D : OffloadEntriesTargetRegion) | ||||
4006 | for (const auto &F : D.second) | ||||
4007 | for (const auto &P : F.second) | ||||
4008 | for (const auto &L : P.second) | ||||
4009 | Action(D.first, F.first, P.first(), L.first, L.second); | ||||
4010 | } | ||||
4011 | |||||
4012 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | ||||
4013 | initializeDeviceGlobalVarEntryInfo(StringRef Name, | ||||
4014 | OMPTargetGlobalVarEntryKind Flags, | ||||
4015 | unsigned Order) { | ||||
4016 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4018, __PRETTY_FUNCTION__)) | ||||
4017 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4018, __PRETTY_FUNCTION__)) | ||||
4018 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4018, __PRETTY_FUNCTION__)); | ||||
4019 | OffloadEntriesDeviceGlobalVar.try_emplace(Name, Order, Flags); | ||||
4020 | ++OffloadingEntriesNum; | ||||
4021 | } | ||||
4022 | |||||
4023 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | ||||
4024 | registerDeviceGlobalVarEntryInfo(StringRef VarName, llvm::Constant *Addr, | ||||
4025 | CharUnits VarSize, | ||||
4026 | OMPTargetGlobalVarEntryKind Flags, | ||||
4027 | llvm::GlobalValue::LinkageTypes Linkage) { | ||||
4028 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
4029 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | ||||
4030 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4031, __PRETTY_FUNCTION__)) | ||||
4031 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4031, __PRETTY_FUNCTION__)); | ||||
4032 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4033, __PRETTY_FUNCTION__)) | ||||
4033 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4033, __PRETTY_FUNCTION__)); | ||||
4034 | if (Entry.getAddress() && hasDeviceGlobalVarEntryInfo(VarName)) { | ||||
4035 | if (Entry.getVarSize().isZero()) { | ||||
4036 | Entry.setVarSize(VarSize); | ||||
4037 | Entry.setLinkage(Linkage); | ||||
4038 | } | ||||
4039 | return; | ||||
4040 | } | ||||
4041 | Entry.setVarSize(VarSize); | ||||
4042 | Entry.setLinkage(Linkage); | ||||
4043 | Entry.setAddress(Addr); | ||||
4044 | } else { | ||||
4045 | if (hasDeviceGlobalVarEntryInfo(VarName)) { | ||||
4046 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | ||||
4047 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4048, __PRETTY_FUNCTION__)) | ||||
4048 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4048, __PRETTY_FUNCTION__)); | ||||
4049 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4050, __PRETTY_FUNCTION__)) | ||||
4050 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4050, __PRETTY_FUNCTION__)); | ||||
4051 | if (Entry.getVarSize().isZero()) { | ||||
4052 | Entry.setVarSize(VarSize); | ||||
4053 | Entry.setLinkage(Linkage); | ||||
4054 | } | ||||
4055 | return; | ||||
4056 | } | ||||
4057 | OffloadEntriesDeviceGlobalVar.try_emplace( | ||||
4058 | VarName, OffloadingEntriesNum, Addr, VarSize, Flags, Linkage); | ||||
4059 | ++OffloadingEntriesNum; | ||||
4060 | } | ||||
4061 | } | ||||
4062 | |||||
4063 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | ||||
4064 | actOnDeviceGlobalVarEntriesInfo( | ||||
4065 | const OffloadDeviceGlobalVarEntryInfoActTy &Action) { | ||||
4066 | // Scan all target region entries and perform the provided action. | ||||
4067 | for (const auto &E : OffloadEntriesDeviceGlobalVar) | ||||
4068 | Action(E.getKey(), E.getValue()); | ||||
4069 | } | ||||
4070 | |||||
4071 | void CGOpenMPRuntime::createOffloadEntry( | ||||
4072 | llvm::Constant *ID, llvm::Constant *Addr, uint64_t Size, int32_t Flags, | ||||
4073 | llvm::GlobalValue::LinkageTypes Linkage) { | ||||
4074 | StringRef Name = Addr->getName(); | ||||
4075 | llvm::Module &M = CGM.getModule(); | ||||
4076 | llvm::LLVMContext &C = M.getContext(); | ||||
4077 | |||||
4078 | // Create constant string with the name. | ||||
4079 | llvm::Constant *StrPtrInit = llvm::ConstantDataArray::getString(C, Name); | ||||
4080 | |||||
4081 | std::string StringName = getName({"omp_offloading", "entry_name"}); | ||||
4082 | auto *Str = new llvm::GlobalVariable( | ||||
4083 | M, StrPtrInit->getType(), /*isConstant=*/true, | ||||
4084 | llvm::GlobalValue::InternalLinkage, StrPtrInit, StringName); | ||||
4085 | Str->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | ||||
4086 | |||||
4087 | llvm::Constant *Data[] = {llvm::ConstantExpr::getBitCast(ID, CGM.VoidPtrTy), | ||||
4088 | llvm::ConstantExpr::getBitCast(Str, CGM.Int8PtrTy), | ||||
4089 | llvm::ConstantInt::get(CGM.SizeTy, Size), | ||||
4090 | llvm::ConstantInt::get(CGM.Int32Ty, Flags), | ||||
4091 | llvm::ConstantInt::get(CGM.Int32Ty, 0)}; | ||||
4092 | std::string EntryName = getName({"omp_offloading", "entry", ""}); | ||||
4093 | llvm::GlobalVariable *Entry = createGlobalStruct( | ||||
4094 | CGM, getTgtOffloadEntryQTy(), /*IsConstant=*/true, Data, | ||||
4095 | Twine(EntryName).concat(Name), llvm::GlobalValue::WeakAnyLinkage); | ||||
4096 | |||||
4097 | // The entry has to be created in the section the linker expects it to be. | ||||
4098 | Entry->setSection("omp_offloading_entries"); | ||||
4099 | } | ||||
4100 | |||||
4101 | void CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() { | ||||
4102 | // Emit the offloading entries and metadata so that the device codegen side | ||||
4103 | // can easily figure out what to emit. The produced metadata looks like | ||||
4104 | // this: | ||||
4105 | // | ||||
4106 | // !omp_offload.info = !{!1, ...} | ||||
4107 | // | ||||
4108 | // Right now we only generate metadata for function that contain target | ||||
4109 | // regions. | ||||
4110 | |||||
4111 | // If we are in simd mode or there are no entries, we don't need to do | ||||
4112 | // anything. | ||||
4113 | if (CGM.getLangOpts().OpenMPSimd || OffloadEntriesInfoManager.empty()) | ||||
4114 | return; | ||||
4115 | |||||
4116 | llvm::Module &M = CGM.getModule(); | ||||
4117 | llvm::LLVMContext &C = M.getContext(); | ||||
4118 | SmallVector<std::tuple<const OffloadEntriesInfoManagerTy::OffloadEntryInfo *, | ||||
4119 | SourceLocation, StringRef>, | ||||
4120 | 16> | ||||
4121 | OrderedEntries(OffloadEntriesInfoManager.size()); | ||||
4122 | llvm::SmallVector<StringRef, 16> ParentFunctions( | ||||
4123 | OffloadEntriesInfoManager.size()); | ||||
4124 | |||||
4125 | // Auxiliary methods to create metadata values and strings. | ||||
4126 | auto &&GetMDInt = [this](unsigned V) { | ||||
4127 | return llvm::ConstantAsMetadata::get( | ||||
4128 | llvm::ConstantInt::get(CGM.Int32Ty, V)); | ||||
4129 | }; | ||||
4130 | |||||
4131 | auto &&GetMDString = [&C](StringRef V) { return llvm::MDString::get(C, V); }; | ||||
4132 | |||||
4133 | // Create the offloading info metadata node. | ||||
4134 | llvm::NamedMDNode *MD = M.getOrInsertNamedMetadata("omp_offload.info"); | ||||
4135 | |||||
4136 | // Create function that emits metadata for each target region entry; | ||||
4137 | auto &&TargetRegionMetadataEmitter = | ||||
4138 | [this, &C, MD, &OrderedEntries, &ParentFunctions, &GetMDInt, | ||||
4139 | &GetMDString]( | ||||
4140 | unsigned DeviceID, unsigned FileID, StringRef ParentName, | ||||
4141 | unsigned Line, | ||||
4142 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion &E) { | ||||
4143 | // Generate metadata for target regions. Each entry of this metadata | ||||
4144 | // contains: | ||||
4145 | // - Entry 0 -> Kind of this type of metadata (0). | ||||
4146 | // - Entry 1 -> Device ID of the file where the entry was identified. | ||||
4147 | // - Entry 2 -> File ID of the file where the entry was identified. | ||||
4148 | // - Entry 3 -> Mangled name of the function where the entry was | ||||
4149 | // identified. | ||||
4150 | // - Entry 4 -> Line in the file where the entry was identified. | ||||
4151 | // - Entry 5 -> Order the entry was created. | ||||
4152 | // The first element of the metadata node is the kind. | ||||
4153 | llvm::Metadata *Ops[] = {GetMDInt(E.getKind()), GetMDInt(DeviceID), | ||||
4154 | GetMDInt(FileID), GetMDString(ParentName), | ||||
4155 | GetMDInt(Line), GetMDInt(E.getOrder())}; | ||||
4156 | |||||
4157 | SourceLocation Loc; | ||||
4158 | for (auto I = CGM.getContext().getSourceManager().fileinfo_begin(), | ||||
4159 | E = CGM.getContext().getSourceManager().fileinfo_end(); | ||||
4160 | I != E; ++I) { | ||||
4161 | if (I->getFirst()->getUniqueID().getDevice() == DeviceID && | ||||
4162 | I->getFirst()->getUniqueID().getFile() == FileID) { | ||||
4163 | Loc = CGM.getContext().getSourceManager().translateFileLineCol( | ||||
4164 | I->getFirst(), Line, 1); | ||||
4165 | break; | ||||
4166 | } | ||||
4167 | } | ||||
4168 | // Save this entry in the right position of the ordered entries array. | ||||
4169 | OrderedEntries[E.getOrder()] = std::make_tuple(&E, Loc, ParentName); | ||||
4170 | ParentFunctions[E.getOrder()] = ParentName; | ||||
4171 | |||||
4172 | // Add metadata to the named metadata node. | ||||
4173 | MD->addOperand(llvm::MDNode::get(C, Ops)); | ||||
4174 | }; | ||||
4175 | |||||
4176 | OffloadEntriesInfoManager.actOnTargetRegionEntriesInfo( | ||||
4177 | TargetRegionMetadataEmitter); | ||||
4178 | |||||
4179 | // Create function that emits metadata for each device global variable entry; | ||||
4180 | auto &&DeviceGlobalVarMetadataEmitter = | ||||
4181 | [&C, &OrderedEntries, &GetMDInt, &GetMDString, | ||||
4182 | MD](StringRef MangledName, | ||||
4183 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoDeviceGlobalVar | ||||
4184 | &E) { | ||||
4185 | // Generate metadata for global variables. Each entry of this metadata | ||||
4186 | // contains: | ||||
4187 | // - Entry 0 -> Kind of this type of metadata (1). | ||||
4188 | // - Entry 1 -> Mangled name of the variable. | ||||
4189 | // - Entry 2 -> Declare target kind. | ||||
4190 | // - Entry 3 -> Order the entry was created. | ||||
4191 | // The first element of the metadata node is the kind. | ||||
4192 | llvm::Metadata *Ops[] = { | ||||
4193 | GetMDInt(E.getKind()), GetMDString(MangledName), | ||||
4194 | GetMDInt(E.getFlags()), GetMDInt(E.getOrder())}; | ||||
4195 | |||||
4196 | // Save this entry in the right position of the ordered entries array. | ||||
4197 | OrderedEntries[E.getOrder()] = | ||||
4198 | std::make_tuple(&E, SourceLocation(), MangledName); | ||||
4199 | |||||
4200 | // Add metadata to the named metadata node. | ||||
4201 | MD->addOperand(llvm::MDNode::get(C, Ops)); | ||||
4202 | }; | ||||
4203 | |||||
4204 | OffloadEntriesInfoManager.actOnDeviceGlobalVarEntriesInfo( | ||||
4205 | DeviceGlobalVarMetadataEmitter); | ||||
4206 | |||||
4207 | for (const auto &E : OrderedEntries) { | ||||
4208 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4208, __PRETTY_FUNCTION__)); | ||||
4209 | if (const auto *CE = | ||||
4210 | dyn_cast<OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion>( | ||||
4211 | std::get<0>(E))) { | ||||
4212 | if (!CE->getID() || !CE->getAddress()) { | ||||
4213 | // Do not blame the entry if the parent funtion is not emitted. | ||||
4214 | StringRef FnName = ParentFunctions[CE->getOrder()]; | ||||
4215 | if (!CGM.GetGlobalValue(FnName)) | ||||
4216 | continue; | ||||
4217 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
4218 | DiagnosticsEngine::Error, | ||||
4219 | "Offloading entry for target region in %0 is incorrect: either the " | ||||
4220 | "address or the ID is invalid."); | ||||
4221 | CGM.getDiags().Report(std::get<1>(E), DiagID) << FnName; | ||||
4222 | continue; | ||||
4223 | } | ||||
4224 | createOffloadEntry(CE->getID(), CE->getAddress(), /*Size=*/0, | ||||
4225 | CE->getFlags(), llvm::GlobalValue::WeakAnyLinkage); | ||||
4226 | } else if (const auto *CE = dyn_cast<OffloadEntriesInfoManagerTy:: | ||||
4227 | OffloadEntryInfoDeviceGlobalVar>( | ||||
4228 | std::get<0>(E))) { | ||||
4229 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags = | ||||
4230 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | ||||
4231 | CE->getFlags()); | ||||
4232 | switch (Flags) { | ||||
4233 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo: { | ||||
4234 | if (CGM.getLangOpts().OpenMPIsDevice && | ||||
4235 | CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory()) | ||||
4236 | continue; | ||||
4237 | if (!CE->getAddress()) { | ||||
4238 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
4239 | DiagnosticsEngine::Error, "Offloading entry for declare target " | ||||
4240 | "variable %0 is incorrect: the " | ||||
4241 | "address is invalid."); | ||||
4242 | CGM.getDiags().Report(std::get<1>(E), DiagID) << std::get<2>(E); | ||||
4243 | continue; | ||||
4244 | } | ||||
4245 | // The vaiable has no definition - no need to add the entry. | ||||
4246 | if (CE->getVarSize().isZero()) | ||||
4247 | continue; | ||||
4248 | break; | ||||
4249 | } | ||||
4250 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink: | ||||
4251 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4253, __PRETTY_FUNCTION__)) | ||||
4252 | (!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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4253, __PRETTY_FUNCTION__)) | ||||
4253 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4253, __PRETTY_FUNCTION__)); | ||||
4254 | if (CGM.getLangOpts().OpenMPIsDevice) | ||||
4255 | continue; | ||||
4256 | if (!CE->getAddress()) { | ||||
4257 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
4258 | DiagnosticsEngine::Error, | ||||
4259 | "Offloading entry for declare target variable is incorrect: the " | ||||
4260 | "address is invalid."); | ||||
4261 | CGM.getDiags().Report(DiagID); | ||||
4262 | continue; | ||||
4263 | } | ||||
4264 | break; | ||||
4265 | } | ||||
4266 | createOffloadEntry(CE->getAddress(), CE->getAddress(), | ||||
4267 | CE->getVarSize().getQuantity(), Flags, | ||||
4268 | CE->getLinkage()); | ||||
4269 | } else { | ||||
4270 | llvm_unreachable("Unsupported entry kind.")::llvm::llvm_unreachable_internal("Unsupported entry kind.", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4270); | ||||
4271 | } | ||||
4272 | } | ||||
4273 | } | ||||
4274 | |||||
4275 | /// Loads all the offload entries information from the host IR | ||||
4276 | /// metadata. | ||||
4277 | void CGOpenMPRuntime::loadOffloadInfoMetadata() { | ||||
4278 | // If we are in target mode, load the metadata from the host IR. This code has | ||||
4279 | // to match the metadaata creation in createOffloadEntriesAndInfoMetadata(). | ||||
4280 | |||||
4281 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||
4282 | return; | ||||
4283 | |||||
4284 | if (CGM.getLangOpts().OMPHostIRFile.empty()) | ||||
4285 | return; | ||||
4286 | |||||
4287 | auto Buf = llvm::MemoryBuffer::getFile(CGM.getLangOpts().OMPHostIRFile); | ||||
4288 | if (auto EC = Buf.getError()) { | ||||
4289 | CGM.getDiags().Report(diag::err_cannot_open_file) | ||||
4290 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||
4291 | return; | ||||
4292 | } | ||||
4293 | |||||
4294 | llvm::LLVMContext C; | ||||
4295 | auto ME = expectedToErrorOrAndEmitErrors( | ||||
4296 | C, llvm::parseBitcodeFile(Buf.get()->getMemBufferRef(), C)); | ||||
4297 | |||||
4298 | if (auto EC = ME.getError()) { | ||||
4299 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
4300 | DiagnosticsEngine::Error, "Unable to parse host IR file '%0':'%1'"); | ||||
4301 | CGM.getDiags().Report(DiagID) | ||||
4302 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | ||||
4303 | return; | ||||
4304 | } | ||||
4305 | |||||
4306 | llvm::NamedMDNode *MD = ME.get()->getNamedMetadata("omp_offload.info"); | ||||
4307 | if (!MD) | ||||
4308 | return; | ||||
4309 | |||||
4310 | for (llvm::MDNode *MN : MD->operands()) { | ||||
4311 | auto &&GetMDInt = [MN](unsigned Idx) { | ||||
4312 | auto *V = cast<llvm::ConstantAsMetadata>(MN->getOperand(Idx)); | ||||
4313 | return cast<llvm::ConstantInt>(V->getValue())->getZExtValue(); | ||||
4314 | }; | ||||
4315 | |||||
4316 | auto &&GetMDString = [MN](unsigned Idx) { | ||||
4317 | auto *V = cast<llvm::MDString>(MN->getOperand(Idx)); | ||||
4318 | return V->getString(); | ||||
4319 | }; | ||||
4320 | |||||
4321 | switch (GetMDInt(0)) { | ||||
4322 | default: | ||||
4323 | llvm_unreachable("Unexpected metadata!")::llvm::llvm_unreachable_internal("Unexpected metadata!", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4323); | ||||
4324 | break; | ||||
4325 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | ||||
4326 | OffloadingEntryInfoTargetRegion: | ||||
4327 | OffloadEntriesInfoManager.initializeTargetRegionEntryInfo( | ||||
4328 | /*DeviceID=*/GetMDInt(1), /*FileID=*/GetMDInt(2), | ||||
4329 | /*ParentName=*/GetMDString(3), /*Line=*/GetMDInt(4), | ||||
4330 | /*Order=*/GetMDInt(5)); | ||||
4331 | break; | ||||
4332 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | ||||
4333 | OffloadingEntryInfoDeviceGlobalVar: | ||||
4334 | OffloadEntriesInfoManager.initializeDeviceGlobalVarEntryInfo( | ||||
4335 | /*MangledName=*/GetMDString(1), | ||||
4336 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | ||||
4337 | /*Flags=*/GetMDInt(2)), | ||||
4338 | /*Order=*/GetMDInt(3)); | ||||
4339 | break; | ||||
4340 | } | ||||
4341 | } | ||||
4342 | } | ||||
4343 | |||||
4344 | void CGOpenMPRuntime::emitKmpRoutineEntryT(QualType KmpInt32Ty) { | ||||
4345 | if (!KmpRoutineEntryPtrTy) { | ||||
4346 | // Build typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); type. | ||||
4347 | ASTContext &C = CGM.getContext(); | ||||
4348 | QualType KmpRoutineEntryTyArgs[] = {KmpInt32Ty, C.VoidPtrTy}; | ||||
4349 | FunctionProtoType::ExtProtoInfo EPI; | ||||
4350 | KmpRoutineEntryPtrQTy = C.getPointerType( | ||||
4351 | C.getFunctionType(KmpInt32Ty, KmpRoutineEntryTyArgs, EPI)); | ||||
4352 | KmpRoutineEntryPtrTy = CGM.getTypes().ConvertType(KmpRoutineEntryPtrQTy); | ||||
4353 | } | ||||
4354 | } | ||||
4355 | |||||
4356 | QualType CGOpenMPRuntime::getTgtOffloadEntryQTy() { | ||||
4357 | // Make sure the type of the entry is already created. This is the type we | ||||
4358 | // have to create: | ||||
4359 | // struct __tgt_offload_entry{ | ||||
4360 | // void *addr; // Pointer to the offload entry info. | ||||
4361 | // // (function or global) | ||||
4362 | // char *name; // Name of the function or global. | ||||
4363 | // size_t size; // Size of the entry info (0 if it a function). | ||||
4364 | // int32_t flags; // Flags associated with the entry, e.g. 'link'. | ||||
4365 | // int32_t reserved; // Reserved, to use by the runtime library. | ||||
4366 | // }; | ||||
4367 | if (TgtOffloadEntryQTy.isNull()) { | ||||
4368 | ASTContext &C = CGM.getContext(); | ||||
4369 | RecordDecl *RD = C.buildImplicitRecord("__tgt_offload_entry"); | ||||
4370 | RD->startDefinition(); | ||||
4371 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
4372 | addFieldToRecordDecl(C, RD, C.getPointerType(C.CharTy)); | ||||
4373 | addFieldToRecordDecl(C, RD, C.getSizeType()); | ||||
4374 | addFieldToRecordDecl( | ||||
4375 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | ||||
4376 | addFieldToRecordDecl( | ||||
4377 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | ||||
4378 | RD->completeDefinition(); | ||||
4379 | RD->addAttr(PackedAttr::CreateImplicit(C)); | ||||
4380 | TgtOffloadEntryQTy = C.getRecordType(RD); | ||||
4381 | } | ||||
4382 | return TgtOffloadEntryQTy; | ||||
4383 | } | ||||
4384 | |||||
4385 | namespace { | ||||
4386 | struct PrivateHelpersTy { | ||||
4387 | PrivateHelpersTy(const VarDecl *Original, const VarDecl *PrivateCopy, | ||||
4388 | const VarDecl *PrivateElemInit) | ||||
4389 | : Original(Original), PrivateCopy(PrivateCopy), | ||||
4390 | PrivateElemInit(PrivateElemInit) {} | ||||
4391 | const VarDecl *Original; | ||||
4392 | const VarDecl *PrivateCopy; | ||||
4393 | const VarDecl *PrivateElemInit; | ||||
4394 | }; | ||||
4395 | typedef std::pair<CharUnits /*Align*/, PrivateHelpersTy> PrivateDataTy; | ||||
4396 | } // anonymous namespace | ||||
4397 | |||||
4398 | static RecordDecl * | ||||
4399 | createPrivatesRecordDecl(CodeGenModule &CGM, ArrayRef<PrivateDataTy> Privates) { | ||||
4400 | if (!Privates.empty()) { | ||||
4401 | ASTContext &C = CGM.getContext(); | ||||
4402 | // Build struct .kmp_privates_t. { | ||||
4403 | // /* private vars */ | ||||
4404 | // }; | ||||
4405 | RecordDecl *RD = C.buildImplicitRecord(".kmp_privates.t"); | ||||
4406 | RD->startDefinition(); | ||||
4407 | for (const auto &Pair : Privates) { | ||||
4408 | const VarDecl *VD = Pair.second.Original; | ||||
4409 | QualType Type = VD->getType().getNonReferenceType(); | ||||
4410 | FieldDecl *FD = addFieldToRecordDecl(C, RD, Type); | ||||
4411 | if (VD->hasAttrs()) { | ||||
4412 | for (specific_attr_iterator<AlignedAttr> I(VD->getAttrs().begin()), | ||||
4413 | E(VD->getAttrs().end()); | ||||
4414 | I != E; ++I) | ||||
4415 | FD->addAttr(*I); | ||||
4416 | } | ||||
4417 | } | ||||
4418 | RD->completeDefinition(); | ||||
4419 | return RD; | ||||
4420 | } | ||||
4421 | return nullptr; | ||||
4422 | } | ||||
4423 | |||||
4424 | static RecordDecl * | ||||
4425 | createKmpTaskTRecordDecl(CodeGenModule &CGM, OpenMPDirectiveKind Kind, | ||||
4426 | QualType KmpInt32Ty, | ||||
4427 | QualType KmpRoutineEntryPointerQTy) { | ||||
4428 | ASTContext &C = CGM.getContext(); | ||||
4429 | // Build struct kmp_task_t { | ||||
4430 | // void * shareds; | ||||
4431 | // kmp_routine_entry_t routine; | ||||
4432 | // kmp_int32 part_id; | ||||
4433 | // kmp_cmplrdata_t data1; | ||||
4434 | // kmp_cmplrdata_t data2; | ||||
4435 | // For taskloops additional fields: | ||||
4436 | // kmp_uint64 lb; | ||||
4437 | // kmp_uint64 ub; | ||||
4438 | // kmp_int64 st; | ||||
4439 | // kmp_int32 liter; | ||||
4440 | // void * reductions; | ||||
4441 | // }; | ||||
4442 | RecordDecl *UD = C.buildImplicitRecord("kmp_cmplrdata_t", TTK_Union); | ||||
4443 | UD->startDefinition(); | ||||
4444 | addFieldToRecordDecl(C, UD, KmpInt32Ty); | ||||
4445 | addFieldToRecordDecl(C, UD, KmpRoutineEntryPointerQTy); | ||||
4446 | UD->completeDefinition(); | ||||
4447 | QualType KmpCmplrdataTy = C.getRecordType(UD); | ||||
4448 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t"); | ||||
4449 | RD->startDefinition(); | ||||
4450 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
4451 | addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy); | ||||
4452 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
4453 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||
4454 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | ||||
4455 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||
4456 | QualType KmpUInt64Ty = | ||||
4457 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||
4458 | QualType KmpInt64Ty = | ||||
4459 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||
4460 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||
4461 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | ||||
4462 | addFieldToRecordDecl(C, RD, KmpInt64Ty); | ||||
4463 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | ||||
4464 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
4465 | } | ||||
4466 | RD->completeDefinition(); | ||||
4467 | return RD; | ||||
4468 | } | ||||
4469 | |||||
4470 | static RecordDecl * | ||||
4471 | createKmpTaskTWithPrivatesRecordDecl(CodeGenModule &CGM, QualType KmpTaskTQTy, | ||||
4472 | ArrayRef<PrivateDataTy> Privates) { | ||||
4473 | ASTContext &C = CGM.getContext(); | ||||
4474 | // Build struct kmp_task_t_with_privates { | ||||
4475 | // kmp_task_t task_data; | ||||
4476 | // .kmp_privates_t. privates; | ||||
4477 | // }; | ||||
4478 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t_with_privates"); | ||||
4479 | RD->startDefinition(); | ||||
4480 | addFieldToRecordDecl(C, RD, KmpTaskTQTy); | ||||
4481 | if (const RecordDecl *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) | ||||
4482 | addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD)); | ||||
4483 | RD->completeDefinition(); | ||||
4484 | return RD; | ||||
4485 | } | ||||
4486 | |||||
4487 | /// Emit a proxy function which accepts kmp_task_t as the second | ||||
4488 | /// argument. | ||||
4489 | /// \code | ||||
4490 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { | ||||
4491 | /// TaskFunction(gtid, tt->part_id, &tt->privates, task_privates_map, tt, | ||||
4492 | /// For taskloops: | ||||
4493 | /// tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||
4494 | /// tt->reductions, tt->shareds); | ||||
4495 | /// return 0; | ||||
4496 | /// } | ||||
4497 | /// \endcode | ||||
4498 | static llvm::Function * | ||||
4499 | emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||
4500 | OpenMPDirectiveKind Kind, QualType KmpInt32Ty, | ||||
4501 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||
4502 | QualType KmpTaskTWithPrivatesQTy, QualType KmpTaskTQTy, | ||||
4503 | QualType SharedsPtrTy, llvm::Function *TaskFunction, | ||||
4504 | llvm::Value *TaskPrivatesMap) { | ||||
4505 | ASTContext &C = CGM.getContext(); | ||||
4506 | FunctionArgList Args; | ||||
4507 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||
4508 | ImplicitParamDecl::Other); | ||||
4509 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4510 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||
4511 | ImplicitParamDecl::Other); | ||||
4512 | Args.push_back(&GtidArg); | ||||
4513 | Args.push_back(&TaskTypeArg); | ||||
4514 | const auto &TaskEntryFnInfo = | ||||
4515 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||
4516 | llvm::FunctionType *TaskEntryTy = | ||||
4517 | CGM.getTypes().GetFunctionType(TaskEntryFnInfo); | ||||
4518 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_entry", ""}); | ||||
4519 | auto *TaskEntry = llvm::Function::Create( | ||||
4520 | TaskEntryTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||
4521 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskEntry, TaskEntryFnInfo); | ||||
4522 | TaskEntry->setDoesNotRecurse(); | ||||
4523 | CodeGenFunction CGF(CGM); | ||||
4524 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, TaskEntry, TaskEntryFnInfo, Args, | ||||
4525 | Loc, Loc); | ||||
4526 | |||||
4527 | // TaskFunction(gtid, tt->task_data.part_id, &tt->privates, task_privates_map, | ||||
4528 | // tt, | ||||
4529 | // For taskloops: | ||||
4530 | // tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | ||||
4531 | // tt->task_data.shareds); | ||||
4532 | llvm::Value *GtidParam = CGF.EmitLoadOfScalar( | ||||
4533 | CGF.GetAddrOfLocalVar(&GtidArg), /*Volatile=*/false, KmpInt32Ty, Loc); | ||||
4534 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||
4535 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||
4536 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||
4537 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||
4538 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||
4539 | LValue Base = | ||||
4540 | CGF.EmitLValueForField(TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
4541 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||
4542 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||
4543 | LValue PartIdLVal = CGF.EmitLValueForField(Base, *PartIdFI); | ||||
4544 | llvm::Value *PartidParam = PartIdLVal.getPointer(CGF); | ||||
4545 | |||||
4546 | auto SharedsFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds); | ||||
4547 | LValue SharedsLVal = CGF.EmitLValueForField(Base, *SharedsFI); | ||||
4548 | llvm::Value *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
4549 | CGF.EmitLoadOfScalar(SharedsLVal, Loc), | ||||
4550 | CGF.ConvertTypeForMem(SharedsPtrTy)); | ||||
4551 | |||||
4552 | auto PrivatesFI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | ||||
4553 | llvm::Value *PrivatesParam; | ||||
4554 | if (PrivatesFI != KmpTaskTWithPrivatesQTyRD->field_end()) { | ||||
4555 | LValue PrivatesLVal = CGF.EmitLValueForField(TDBase, *PrivatesFI); | ||||
4556 | PrivatesParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
4557 | PrivatesLVal.getPointer(CGF), CGF.VoidPtrTy); | ||||
4558 | } else { | ||||
4559 | PrivatesParam = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||
4560 | } | ||||
4561 | |||||
4562 | llvm::Value *CommonArgs[] = {GtidParam, PartidParam, PrivatesParam, | ||||
4563 | TaskPrivatesMap, | ||||
4564 | CGF.Builder | ||||
4565 | .CreatePointerBitCastOrAddrSpaceCast( | ||||
4566 | TDBase.getAddress(CGF), CGF.VoidPtrTy) | ||||
4567 | .getPointer()}; | ||||
4568 | SmallVector<llvm::Value *, 16> CallArgs(std::begin(CommonArgs), | ||||
4569 | std::end(CommonArgs)); | ||||
4570 | if (isOpenMPTaskLoopDirective(Kind)) { | ||||
4571 | auto LBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound); | ||||
4572 | LValue LBLVal = CGF.EmitLValueForField(Base, *LBFI); | ||||
4573 | llvm::Value *LBParam = CGF.EmitLoadOfScalar(LBLVal, Loc); | ||||
4574 | auto UBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound); | ||||
4575 | LValue UBLVal = CGF.EmitLValueForField(Base, *UBFI); | ||||
4576 | llvm::Value *UBParam = CGF.EmitLoadOfScalar(UBLVal, Loc); | ||||
4577 | auto StFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTStride); | ||||
4578 | LValue StLVal = CGF.EmitLValueForField(Base, *StFI); | ||||
4579 | llvm::Value *StParam = CGF.EmitLoadOfScalar(StLVal, Loc); | ||||
4580 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||
4581 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||
4582 | llvm::Value *LIParam = CGF.EmitLoadOfScalar(LILVal, Loc); | ||||
4583 | auto RFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTReductions); | ||||
4584 | LValue RLVal = CGF.EmitLValueForField(Base, *RFI); | ||||
4585 | llvm::Value *RParam = CGF.EmitLoadOfScalar(RLVal, Loc); | ||||
4586 | CallArgs.push_back(LBParam); | ||||
4587 | CallArgs.push_back(UBParam); | ||||
4588 | CallArgs.push_back(StParam); | ||||
4589 | CallArgs.push_back(LIParam); | ||||
4590 | CallArgs.push_back(RParam); | ||||
4591 | } | ||||
4592 | CallArgs.push_back(SharedsParam); | ||||
4593 | |||||
4594 | CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskFunction, | ||||
4595 | CallArgs); | ||||
4596 | CGF.EmitStoreThroughLValue(RValue::get(CGF.Builder.getInt32(/*C=*/0)), | ||||
4597 | CGF.MakeAddrLValue(CGF.ReturnValue, KmpInt32Ty)); | ||||
4598 | CGF.FinishFunction(); | ||||
4599 | return TaskEntry; | ||||
4600 | } | ||||
4601 | |||||
4602 | static llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, | ||||
4603 | SourceLocation Loc, | ||||
4604 | QualType KmpInt32Ty, | ||||
4605 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||
4606 | QualType KmpTaskTWithPrivatesQTy) { | ||||
4607 | ASTContext &C = CGM.getContext(); | ||||
4608 | FunctionArgList Args; | ||||
4609 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | ||||
4610 | ImplicitParamDecl::Other); | ||||
4611 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4612 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | ||||
4613 | ImplicitParamDecl::Other); | ||||
4614 | Args.push_back(&GtidArg); | ||||
4615 | Args.push_back(&TaskTypeArg); | ||||
4616 | const auto &DestructorFnInfo = | ||||
4617 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | ||||
4618 | llvm::FunctionType *DestructorFnTy = | ||||
4619 | CGM.getTypes().GetFunctionType(DestructorFnInfo); | ||||
4620 | std::string Name = | ||||
4621 | CGM.getOpenMPRuntime().getName({"omp_task_destructor", ""}); | ||||
4622 | auto *DestructorFn = | ||||
4623 | llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage, | ||||
4624 | Name, &CGM.getModule()); | ||||
4625 | CGM.SetInternalFunctionAttributes(GlobalDecl(), DestructorFn, | ||||
4626 | DestructorFnInfo); | ||||
4627 | DestructorFn->setDoesNotRecurse(); | ||||
4628 | CodeGenFunction CGF(CGM); | ||||
4629 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo, | ||||
4630 | Args, Loc, Loc); | ||||
4631 | |||||
4632 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||
4633 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | ||||
4634 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||
4635 | const auto *KmpTaskTWithPrivatesQTyRD = | ||||
4636 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | ||||
4637 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
4638 | Base = CGF.EmitLValueForField(Base, *FI); | ||||
4639 | for (const auto *Field : | ||||
4640 | cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) { | ||||
4641 | if (QualType::DestructionKind DtorKind = | ||||
4642 | Field->getType().isDestructedType()) { | ||||
4643 | LValue FieldLValue = CGF.EmitLValueForField(Base, Field); | ||||
4644 | CGF.pushDestroy(DtorKind, FieldLValue.getAddress(CGF), Field->getType()); | ||||
4645 | } | ||||
4646 | } | ||||
4647 | CGF.FinishFunction(); | ||||
4648 | return DestructorFn; | ||||
4649 | } | ||||
4650 | |||||
4651 | /// Emit a privates mapping function for correct handling of private and | ||||
4652 | /// firstprivate variables. | ||||
4653 | /// \code | ||||
4654 | /// void .omp_task_privates_map.(const .privates. *noalias privs, <ty1> | ||||
4655 | /// **noalias priv1,..., <tyn> **noalias privn) { | ||||
4656 | /// *priv1 = &.privates.priv1; | ||||
4657 | /// ...; | ||||
4658 | /// *privn = &.privates.privn; | ||||
4659 | /// } | ||||
4660 | /// \endcode | ||||
4661 | static llvm::Value * | ||||
4662 | emitTaskPrivateMappingFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||
4663 | ArrayRef<const Expr *> PrivateVars, | ||||
4664 | ArrayRef<const Expr *> FirstprivateVars, | ||||
4665 | ArrayRef<const Expr *> LastprivateVars, | ||||
4666 | QualType PrivatesQTy, | ||||
4667 | ArrayRef<PrivateDataTy> Privates) { | ||||
4668 | ASTContext &C = CGM.getContext(); | ||||
4669 | FunctionArgList Args; | ||||
4670 | ImplicitParamDecl TaskPrivatesArg( | ||||
4671 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4672 | C.getPointerType(PrivatesQTy).withConst().withRestrict(), | ||||
4673 | ImplicitParamDecl::Other); | ||||
4674 | Args.push_back(&TaskPrivatesArg); | ||||
4675 | llvm::DenseMap<const VarDecl *, unsigned> PrivateVarsPos; | ||||
4676 | unsigned Counter = 1; | ||||
4677 | for (const Expr *E : PrivateVars) { | ||||
4678 | Args.push_back(ImplicitParamDecl::Create( | ||||
4679 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4680 | C.getPointerType(C.getPointerType(E->getType())) | ||||
4681 | .withConst() | ||||
4682 | .withRestrict(), | ||||
4683 | ImplicitParamDecl::Other)); | ||||
4684 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4685 | PrivateVarsPos[VD] = Counter; | ||||
4686 | ++Counter; | ||||
4687 | } | ||||
4688 | for (const Expr *E : FirstprivateVars) { | ||||
4689 | Args.push_back(ImplicitParamDecl::Create( | ||||
4690 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4691 | C.getPointerType(C.getPointerType(E->getType())) | ||||
4692 | .withConst() | ||||
4693 | .withRestrict(), | ||||
4694 | ImplicitParamDecl::Other)); | ||||
4695 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4696 | PrivateVarsPos[VD] = Counter; | ||||
4697 | ++Counter; | ||||
4698 | } | ||||
4699 | for (const Expr *E : LastprivateVars) { | ||||
4700 | Args.push_back(ImplicitParamDecl::Create( | ||||
4701 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4702 | C.getPointerType(C.getPointerType(E->getType())) | ||||
4703 | .withConst() | ||||
4704 | .withRestrict(), | ||||
4705 | ImplicitParamDecl::Other)); | ||||
4706 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4707 | PrivateVarsPos[VD] = Counter; | ||||
4708 | ++Counter; | ||||
4709 | } | ||||
4710 | const auto &TaskPrivatesMapFnInfo = | ||||
4711 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
4712 | llvm::FunctionType *TaskPrivatesMapTy = | ||||
4713 | CGM.getTypes().GetFunctionType(TaskPrivatesMapFnInfo); | ||||
4714 | std::string Name = | ||||
4715 | CGM.getOpenMPRuntime().getName({"omp_task_privates_map", ""}); | ||||
4716 | auto *TaskPrivatesMap = llvm::Function::Create( | ||||
4717 | TaskPrivatesMapTy, llvm::GlobalValue::InternalLinkage, Name, | ||||
4718 | &CGM.getModule()); | ||||
4719 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskPrivatesMap, | ||||
4720 | TaskPrivatesMapFnInfo); | ||||
4721 | if (CGM.getLangOpts().Optimize) { | ||||
4722 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::NoInline); | ||||
4723 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||
4724 | TaskPrivatesMap->addFnAttr(llvm::Attribute::AlwaysInline); | ||||
4725 | } | ||||
4726 | CodeGenFunction CGF(CGM); | ||||
4727 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskPrivatesMap, | ||||
4728 | TaskPrivatesMapFnInfo, Args, Loc, Loc); | ||||
4729 | |||||
4730 | // *privi = &.privates.privi; | ||||
4731 | LValue Base = CGF.EmitLoadOfPointerLValue( | ||||
4732 | CGF.GetAddrOfLocalVar(&TaskPrivatesArg), | ||||
4733 | TaskPrivatesArg.getType()->castAs<PointerType>()); | ||||
4734 | const auto *PrivatesQTyRD = cast<RecordDecl>(PrivatesQTy->getAsTagDecl()); | ||||
4735 | Counter = 0; | ||||
4736 | for (const FieldDecl *Field : PrivatesQTyRD->fields()) { | ||||
4737 | LValue FieldLVal = CGF.EmitLValueForField(Base, Field); | ||||
4738 | const VarDecl *VD = Args[PrivateVarsPos[Privates[Counter].second.Original]]; | ||||
4739 | LValue RefLVal = | ||||
4740 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(VD), VD->getType()); | ||||
4741 | LValue RefLoadLVal = CGF.EmitLoadOfPointerLValue( | ||||
4742 | RefLVal.getAddress(CGF), RefLVal.getType()->castAs<PointerType>()); | ||||
4743 | CGF.EmitStoreOfScalar(FieldLVal.getPointer(CGF), RefLoadLVal); | ||||
4744 | ++Counter; | ||||
4745 | } | ||||
4746 | CGF.FinishFunction(); | ||||
4747 | return TaskPrivatesMap; | ||||
4748 | } | ||||
4749 | |||||
4750 | /// Emit initialization for private variables in task-based directives. | ||||
4751 | static void emitPrivatesInit(CodeGenFunction &CGF, | ||||
4752 | const OMPExecutableDirective &D, | ||||
4753 | Address KmpTaskSharedsPtr, LValue TDBase, | ||||
4754 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||
4755 | QualType SharedsTy, QualType SharedsPtrTy, | ||||
4756 | const OMPTaskDataTy &Data, | ||||
4757 | ArrayRef<PrivateDataTy> Privates, bool ForDup) { | ||||
4758 | ASTContext &C = CGF.getContext(); | ||||
4759 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
4760 | LValue PrivatesBase = CGF.EmitLValueForField(TDBase, *FI); | ||||
4761 | OpenMPDirectiveKind Kind = isOpenMPTaskLoopDirective(D.getDirectiveKind()) | ||||
4762 | ? OMPD_taskloop | ||||
4763 | : OMPD_task; | ||||
4764 | const CapturedStmt &CS = *D.getCapturedStmt(Kind); | ||||
4765 | CodeGenFunction::CGCapturedStmtInfo CapturesInfo(CS); | ||||
4766 | LValue SrcBase; | ||||
4767 | bool IsTargetTask = | ||||
4768 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind()) || | ||||
4769 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()); | ||||
4770 | // For target-based directives skip 3 firstprivate arrays BasePointersArray, | ||||
4771 | // PointersArray and SizesArray. The original variables for these arrays are | ||||
4772 | // not captured and we get their addresses explicitly. | ||||
4773 | if ((!IsTargetTask && !Data.FirstprivateVars.empty()) || | ||||
4774 | (IsTargetTask && KmpTaskSharedsPtr.isValid())) { | ||||
4775 | SrcBase = CGF.MakeAddrLValue( | ||||
4776 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
4777 | KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy)), | ||||
4778 | SharedsTy); | ||||
4779 | } | ||||
4780 | FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin(); | ||||
4781 | for (const PrivateDataTy &Pair : Privates) { | ||||
4782 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||
4783 | const Expr *Init = VD->getAnyInitializer(); | ||||
4784 | if (Init && (!ForDup || (isa<CXXConstructExpr>(Init) && | ||||
4785 | !CGF.isTrivialInitializer(Init)))) { | ||||
4786 | LValue PrivateLValue = CGF.EmitLValueForField(PrivatesBase, *FI); | ||||
4787 | if (const VarDecl *Elem = Pair.second.PrivateElemInit) { | ||||
4788 | const VarDecl *OriginalVD = Pair.second.Original; | ||||
4789 | // Check if the variable is the target-based BasePointersArray, | ||||
4790 | // PointersArray or SizesArray. | ||||
4791 | LValue SharedRefLValue; | ||||
4792 | QualType Type = PrivateLValue.getType(); | ||||
4793 | const FieldDecl *SharedField = CapturesInfo.lookup(OriginalVD); | ||||
4794 | if (IsTargetTask && !SharedField) { | ||||
4795 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4796 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4797 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4798 | ->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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4799 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4800 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4801 | ->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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)) | ||||
4802 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4802, __PRETTY_FUNCTION__)); | ||||
4803 | SharedRefLValue = | ||||
4804 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(OriginalVD), Type); | ||||
4805 | } else { | ||||
4806 | SharedRefLValue = CGF.EmitLValueForField(SrcBase, SharedField); | ||||
4807 | SharedRefLValue = CGF.MakeAddrLValue( | ||||
4808 | Address(SharedRefLValue.getPointer(CGF), | ||||
4809 | C.getDeclAlign(OriginalVD)), | ||||
4810 | SharedRefLValue.getType(), LValueBaseInfo(AlignmentSource::Decl), | ||||
4811 | SharedRefLValue.getTBAAInfo()); | ||||
4812 | } | ||||
4813 | if (Type->isArrayType()) { | ||||
4814 | // Initialize firstprivate array. | ||||
4815 | if (!isa<CXXConstructExpr>(Init) || CGF.isTrivialInitializer(Init)) { | ||||
4816 | // Perform simple memcpy. | ||||
4817 | CGF.EmitAggregateAssign(PrivateLValue, SharedRefLValue, Type); | ||||
4818 | } else { | ||||
4819 | // Initialize firstprivate array using element-by-element | ||||
4820 | // initialization. | ||||
4821 | CGF.EmitOMPAggregateAssign( | ||||
4822 | PrivateLValue.getAddress(CGF), SharedRefLValue.getAddress(CGF), | ||||
4823 | Type, | ||||
4824 | [&CGF, Elem, Init, &CapturesInfo](Address DestElement, | ||||
4825 | Address SrcElement) { | ||||
4826 | // Clean up any temporaries needed by the initialization. | ||||
4827 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||
4828 | InitScope.addPrivate( | ||||
4829 | Elem, [SrcElement]() -> Address { return SrcElement; }); | ||||
4830 | (void)InitScope.Privatize(); | ||||
4831 | // Emit initialization for single element. | ||||
4832 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII( | ||||
4833 | CGF, &CapturesInfo); | ||||
4834 | CGF.EmitAnyExprToMem(Init, DestElement, | ||||
4835 | Init->getType().getQualifiers(), | ||||
4836 | /*IsInitializer=*/false); | ||||
4837 | }); | ||||
4838 | } | ||||
4839 | } else { | ||||
4840 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | ||||
4841 | InitScope.addPrivate(Elem, [SharedRefLValue, &CGF]() -> Address { | ||||
4842 | return SharedRefLValue.getAddress(CGF); | ||||
4843 | }); | ||||
4844 | (void)InitScope.Privatize(); | ||||
4845 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CapturesInfo); | ||||
4846 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, | ||||
4847 | /*capturedByInit=*/false); | ||||
4848 | } | ||||
4849 | } else { | ||||
4850 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false); | ||||
4851 | } | ||||
4852 | } | ||||
4853 | ++FI; | ||||
4854 | } | ||||
4855 | } | ||||
4856 | |||||
4857 | /// Check if duplication function is required for taskloops. | ||||
4858 | static bool checkInitIsRequired(CodeGenFunction &CGF, | ||||
4859 | ArrayRef<PrivateDataTy> Privates) { | ||||
4860 | bool InitRequired = false; | ||||
4861 | for (const PrivateDataTy &Pair : Privates) { | ||||
4862 | const VarDecl *VD = Pair.second.PrivateCopy; | ||||
4863 | const Expr *Init = VD->getAnyInitializer(); | ||||
4864 | InitRequired = InitRequired || (Init && isa<CXXConstructExpr>(Init) && | ||||
4865 | !CGF.isTrivialInitializer(Init)); | ||||
4866 | if (InitRequired) | ||||
4867 | break; | ||||
4868 | } | ||||
4869 | return InitRequired; | ||||
4870 | } | ||||
4871 | |||||
4872 | |||||
4873 | /// Emit task_dup function (for initialization of | ||||
4874 | /// private/firstprivate/lastprivate vars and last_iter flag) | ||||
4875 | /// \code | ||||
4876 | /// void __task_dup_entry(kmp_task_t *task_dst, const kmp_task_t *task_src, int | ||||
4877 | /// lastpriv) { | ||||
4878 | /// // setup lastprivate flag | ||||
4879 | /// task_dst->last = lastpriv; | ||||
4880 | /// // could be constructor calls here... | ||||
4881 | /// } | ||||
4882 | /// \endcode | ||||
4883 | static llvm::Value * | ||||
4884 | emitTaskDupFunction(CodeGenModule &CGM, SourceLocation Loc, | ||||
4885 | const OMPExecutableDirective &D, | ||||
4886 | QualType KmpTaskTWithPrivatesPtrQTy, | ||||
4887 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | ||||
4888 | const RecordDecl *KmpTaskTQTyRD, QualType SharedsTy, | ||||
4889 | QualType SharedsPtrTy, const OMPTaskDataTy &Data, | ||||
4890 | ArrayRef<PrivateDataTy> Privates, bool WithLastIter) { | ||||
4891 | ASTContext &C = CGM.getContext(); | ||||
4892 | FunctionArgList Args; | ||||
4893 | ImplicitParamDecl DstArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4894 | KmpTaskTWithPrivatesPtrQTy, | ||||
4895 | ImplicitParamDecl::Other); | ||||
4896 | ImplicitParamDecl SrcArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
4897 | KmpTaskTWithPrivatesPtrQTy, | ||||
4898 | ImplicitParamDecl::Other); | ||||
4899 | ImplicitParamDecl LastprivArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.IntTy, | ||||
4900 | ImplicitParamDecl::Other); | ||||
4901 | Args.push_back(&DstArg); | ||||
4902 | Args.push_back(&SrcArg); | ||||
4903 | Args.push_back(&LastprivArg); | ||||
4904 | const auto &TaskDupFnInfo = | ||||
4905 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
4906 | llvm::FunctionType *TaskDupTy = CGM.getTypes().GetFunctionType(TaskDupFnInfo); | ||||
4907 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_dup", ""}); | ||||
4908 | auto *TaskDup = llvm::Function::Create( | ||||
4909 | TaskDupTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | ||||
4910 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskDup, TaskDupFnInfo); | ||||
4911 | TaskDup->setDoesNotRecurse(); | ||||
4912 | CodeGenFunction CGF(CGM); | ||||
4913 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskDup, TaskDupFnInfo, Args, Loc, | ||||
4914 | Loc); | ||||
4915 | |||||
4916 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||
4917 | CGF.GetAddrOfLocalVar(&DstArg), | ||||
4918 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||
4919 | // task_dst->liter = lastpriv; | ||||
4920 | if (WithLastIter) { | ||||
4921 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | ||||
4922 | LValue Base = CGF.EmitLValueForField( | ||||
4923 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
4924 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | ||||
4925 | llvm::Value *Lastpriv = CGF.EmitLoadOfScalar( | ||||
4926 | CGF.GetAddrOfLocalVar(&LastprivArg), /*Volatile=*/false, C.IntTy, Loc); | ||||
4927 | CGF.EmitStoreOfScalar(Lastpriv, LILVal); | ||||
4928 | } | ||||
4929 | |||||
4930 | // Emit initial values for private copies (if any). | ||||
4931 | assert(!Privates.empty())((!Privates.empty()) ? static_cast<void> (0) : __assert_fail ("!Privates.empty()", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4931, __PRETTY_FUNCTION__)); | ||||
4932 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||
4933 | if (!Data.FirstprivateVars.empty()) { | ||||
4934 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | ||||
4935 | CGF.GetAddrOfLocalVar(&SrcArg), | ||||
4936 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | ||||
4937 | LValue Base = CGF.EmitLValueForField( | ||||
4938 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
4939 | KmpTaskSharedsPtr = Address( | ||||
4940 | CGF.EmitLoadOfScalar(CGF.EmitLValueForField( | ||||
4941 | Base, *std::next(KmpTaskTQTyRD->field_begin(), | ||||
4942 | KmpTaskTShareds)), | ||||
4943 | Loc), | ||||
4944 | CGF.getNaturalTypeAlignment(SharedsTy)); | ||||
4945 | } | ||||
4946 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, TDBase, KmpTaskTWithPrivatesQTyRD, | ||||
4947 | SharedsTy, SharedsPtrTy, Data, Privates, /*ForDup=*/true); | ||||
4948 | CGF.FinishFunction(); | ||||
4949 | return TaskDup; | ||||
4950 | } | ||||
4951 | |||||
4952 | /// Checks if destructor function is required to be generated. | ||||
4953 | /// \return true if cleanups are required, false otherwise. | ||||
4954 | static bool | ||||
4955 | checkDestructorsRequired(const RecordDecl *KmpTaskTWithPrivatesQTyRD) { | ||||
4956 | bool NeedsCleanup = false; | ||||
4957 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | ||||
4958 | const auto *PrivateRD = cast<RecordDecl>(FI->getType()->getAsTagDecl()); | ||||
4959 | for (const FieldDecl *FD : PrivateRD->fields()) { | ||||
4960 | NeedsCleanup = NeedsCleanup || FD->getType().isDestructedType(); | ||||
4961 | if (NeedsCleanup) | ||||
4962 | break; | ||||
4963 | } | ||||
4964 | return NeedsCleanup; | ||||
4965 | } | ||||
4966 | |||||
4967 | CGOpenMPRuntime::TaskResultTy | ||||
4968 | CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, | ||||
4969 | const OMPExecutableDirective &D, | ||||
4970 | llvm::Function *TaskFunction, QualType SharedsTy, | ||||
4971 | Address Shareds, const OMPTaskDataTy &Data) { | ||||
4972 | ASTContext &C = CGM.getContext(); | ||||
4973 | llvm::SmallVector<PrivateDataTy, 4> Privates; | ||||
4974 | // Aggregate privates and sort them by the alignment. | ||||
4975 | auto I = Data.PrivateCopies.begin(); | ||||
4976 | for (const Expr *E : Data.PrivateVars) { | ||||
4977 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4978 | Privates.emplace_back( | ||||
4979 | C.getDeclAlign(VD), | ||||
4980 | PrivateHelpersTy(VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||
4981 | /*PrivateElemInit=*/nullptr)); | ||||
4982 | ++I; | ||||
4983 | } | ||||
4984 | I = Data.FirstprivateCopies.begin(); | ||||
4985 | auto IElemInitRef = Data.FirstprivateInits.begin(); | ||||
4986 | for (const Expr *E : Data.FirstprivateVars) { | ||||
4987 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4988 | Privates.emplace_back( | ||||
4989 | C.getDeclAlign(VD), | ||||
4990 | PrivateHelpersTy( | ||||
4991 | VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||
4992 | cast<VarDecl>(cast<DeclRefExpr>(*IElemInitRef)->getDecl()))); | ||||
4993 | ++I; | ||||
4994 | ++IElemInitRef; | ||||
4995 | } | ||||
4996 | I = Data.LastprivateCopies.begin(); | ||||
4997 | for (const Expr *E : Data.LastprivateVars) { | ||||
4998 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | ||||
4999 | Privates.emplace_back( | ||||
5000 | C.getDeclAlign(VD), | ||||
5001 | PrivateHelpersTy(VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | ||||
5002 | /*PrivateElemInit=*/nullptr)); | ||||
5003 | ++I; | ||||
5004 | } | ||||
5005 | llvm::stable_sort(Privates, [](PrivateDataTy L, PrivateDataTy R) { | ||||
5006 | return L.first > R.first; | ||||
5007 | }); | ||||
5008 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | ||||
5009 | // Build type kmp_routine_entry_t (if not built yet). | ||||
5010 | emitKmpRoutineEntryT(KmpInt32Ty); | ||||
5011 | // Build type kmp_task_t (if not built yet). | ||||
5012 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) { | ||||
5013 | if (SavedKmpTaskloopTQTy.isNull()) { | ||||
5014 | SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||
5015 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||
5016 | } | ||||
5017 | KmpTaskTQTy = SavedKmpTaskloopTQTy; | ||||
5018 | } else { | ||||
5019 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5022, __PRETTY_FUNCTION__)) | ||||
5020 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5022, __PRETTY_FUNCTION__)) | ||||
5021 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5022, __PRETTY_FUNCTION__)) | ||||
5022 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5022, __PRETTY_FUNCTION__)); | ||||
5023 | if (SavedKmpTaskTQTy.isNull()) { | ||||
5024 | SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl( | ||||
5025 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | ||||
5026 | } | ||||
5027 | KmpTaskTQTy = SavedKmpTaskTQTy; | ||||
5028 | } | ||||
5029 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | ||||
5030 | // Build particular struct kmp_task_t for the given task. | ||||
5031 | const RecordDecl *KmpTaskTWithPrivatesQTyRD = | ||||
5032 | createKmpTaskTWithPrivatesRecordDecl(CGM, KmpTaskTQTy, Privates); | ||||
5033 | QualType KmpTaskTWithPrivatesQTy = C.getRecordType(KmpTaskTWithPrivatesQTyRD); | ||||
5034 | QualType KmpTaskTWithPrivatesPtrQTy = | ||||
5035 | C.getPointerType(KmpTaskTWithPrivatesQTy); | ||||
5036 | llvm::Type *KmpTaskTWithPrivatesTy = CGF.ConvertType(KmpTaskTWithPrivatesQTy); | ||||
5037 | llvm::Type *KmpTaskTWithPrivatesPtrTy = | ||||
5038 | KmpTaskTWithPrivatesTy->getPointerTo(); | ||||
5039 | llvm::Value *KmpTaskTWithPrivatesTySize = | ||||
5040 | CGF.getTypeSize(KmpTaskTWithPrivatesQTy); | ||||
5041 | QualType SharedsPtrTy = C.getPointerType(SharedsTy); | ||||
5042 | |||||
5043 | // Emit initial values for private copies (if any). | ||||
5044 | llvm::Value *TaskPrivatesMap = nullptr; | ||||
5045 | llvm::Type *TaskPrivatesMapTy = | ||||
5046 | std::next(TaskFunction->arg_begin(), 3)->getType(); | ||||
5047 | if (!Privates.empty()) { | ||||
5048 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
5049 | TaskPrivatesMap = emitTaskPrivateMappingFunction( | ||||
5050 | CGM, Loc, Data.PrivateVars, Data.FirstprivateVars, Data.LastprivateVars, | ||||
5051 | FI->getType(), Privates); | ||||
5052 | TaskPrivatesMap = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5053 | TaskPrivatesMap, TaskPrivatesMapTy); | ||||
5054 | } else { | ||||
5055 | TaskPrivatesMap = llvm::ConstantPointerNull::get( | ||||
5056 | cast<llvm::PointerType>(TaskPrivatesMapTy)); | ||||
5057 | } | ||||
5058 | // Build a proxy function kmp_int32 .omp_task_entry.(kmp_int32 gtid, | ||||
5059 | // kmp_task_t *tt); | ||||
5060 | llvm::Function *TaskEntry = emitProxyTaskFunction( | ||||
5061 | CGM, Loc, D.getDirectiveKind(), KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||
5062 | KmpTaskTWithPrivatesQTy, KmpTaskTQTy, SharedsPtrTy, TaskFunction, | ||||
5063 | TaskPrivatesMap); | ||||
5064 | |||||
5065 | // Build call kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | ||||
5066 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | ||||
5067 | // kmp_routine_entry_t *task_entry); | ||||
5068 | // Task flags. Format is taken from | ||||
5069 | // https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h, | ||||
5070 | // description of kmp_tasking_flags struct. | ||||
5071 | enum { | ||||
5072 | TiedFlag = 0x1, | ||||
5073 | FinalFlag = 0x2, | ||||
5074 | DestructorsFlag = 0x8, | ||||
5075 | PriorityFlag = 0x20 | ||||
5076 | }; | ||||
5077 | unsigned Flags = Data.Tied ? TiedFlag : 0; | ||||
5078 | bool NeedsCleanup = false; | ||||
5079 | if (!Privates.empty()) { | ||||
5080 | NeedsCleanup = checkDestructorsRequired(KmpTaskTWithPrivatesQTyRD); | ||||
5081 | if (NeedsCleanup) | ||||
5082 | Flags = Flags | DestructorsFlag; | ||||
5083 | } | ||||
5084 | if (Data.Priority.getInt()) | ||||
5085 | Flags = Flags | PriorityFlag; | ||||
5086 | llvm::Value *TaskFlags = | ||||
5087 | Data.Final.getPointer() | ||||
5088 | ? CGF.Builder.CreateSelect(Data.Final.getPointer(), | ||||
5089 | CGF.Builder.getInt32(FinalFlag), | ||||
5090 | CGF.Builder.getInt32(/*C=*/0)) | ||||
5091 | : CGF.Builder.getInt32(Data.Final.getInt() ? FinalFlag : 0); | ||||
5092 | TaskFlags = CGF.Builder.CreateOr(TaskFlags, CGF.Builder.getInt32(Flags)); | ||||
5093 | llvm::Value *SharedsSize = CGM.getSize(C.getTypeSizeInChars(SharedsTy)); | ||||
5094 | SmallVector<llvm::Value *, 8> AllocArgs = {emitUpdateLocation(CGF, Loc), | ||||
5095 | getThreadID(CGF, Loc), TaskFlags, KmpTaskTWithPrivatesTySize, | ||||
5096 | SharedsSize, CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5097 | TaskEntry, KmpRoutineEntryPtrTy)}; | ||||
5098 | llvm::Value *NewTask; | ||||
5099 | if (D.hasClausesOfKind<OMPNowaitClause>()) { | ||||
5100 | // Check if we have any device clause associated with the directive. | ||||
5101 | const Expr *Device = nullptr; | ||||
5102 | if (auto *C = D.getSingleClause<OMPDeviceClause>()) | ||||
5103 | Device = C->getDevice(); | ||||
5104 | // Emit device ID if any otherwise use default value. | ||||
5105 | llvm::Value *DeviceID; | ||||
5106 | if (Device) | ||||
5107 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||
5108 | CGF.Int64Ty, /*isSigned=*/true); | ||||
5109 | else | ||||
5110 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||
5111 | AllocArgs.push_back(DeviceID); | ||||
5112 | NewTask = CGF.EmitRuntimeCall( | ||||
5113 | createRuntimeFunction(OMPRTL__kmpc_omp_target_task_alloc), AllocArgs); | ||||
5114 | } else { | ||||
5115 | NewTask = CGF.EmitRuntimeCall( | ||||
5116 | createRuntimeFunction(OMPRTL__kmpc_omp_task_alloc), AllocArgs); | ||||
5117 | } | ||||
5118 | llvm::Value *NewTaskNewTaskTTy = | ||||
5119 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5120 | NewTask, KmpTaskTWithPrivatesPtrTy); | ||||
5121 | LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, | ||||
5122 | KmpTaskTWithPrivatesQTy); | ||||
5123 | LValue TDBase = | ||||
5124 | CGF.EmitLValueForField(Base, *KmpTaskTWithPrivatesQTyRD->field_begin()); | ||||
5125 | // Fill the data in the resulting kmp_task_t record. | ||||
5126 | // Copy shareds if there are any. | ||||
5127 | Address KmpTaskSharedsPtr = Address::invalid(); | ||||
5128 | if (!SharedsTy->getAsStructureType()->getDecl()->field_empty()) { | ||||
5129 | KmpTaskSharedsPtr = | ||||
5130 | Address(CGF.EmitLoadOfScalar( | ||||
5131 | CGF.EmitLValueForField( | ||||
5132 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), | ||||
5133 | KmpTaskTShareds)), | ||||
5134 | Loc), | ||||
5135 | CGF.getNaturalTypeAlignment(SharedsTy)); | ||||
5136 | LValue Dest = CGF.MakeAddrLValue(KmpTaskSharedsPtr, SharedsTy); | ||||
5137 | LValue Src = CGF.MakeAddrLValue(Shareds, SharedsTy); | ||||
5138 | CGF.EmitAggregateCopy(Dest, Src, SharedsTy, AggValueSlot::DoesNotOverlap); | ||||
5139 | } | ||||
5140 | // Emit initial values for private copies (if any). | ||||
5141 | TaskResultTy Result; | ||||
5142 | if (!Privates.empty()) { | ||||
5143 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, Base, KmpTaskTWithPrivatesQTyRD, | ||||
5144 | SharedsTy, SharedsPtrTy, Data, Privates, | ||||
5145 | /*ForDup=*/false); | ||||
5146 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind()) && | ||||
5147 | (!Data.LastprivateVars.empty() || checkInitIsRequired(CGF, Privates))) { | ||||
5148 | Result.TaskDupFn = emitTaskDupFunction( | ||||
5149 | CGM, Loc, D, KmpTaskTWithPrivatesPtrQTy, KmpTaskTWithPrivatesQTyRD, | ||||
5150 | KmpTaskTQTyRD, SharedsTy, SharedsPtrTy, Data, Privates, | ||||
5151 | /*WithLastIter=*/!Data.LastprivateVars.empty()); | ||||
5152 | } | ||||
5153 | } | ||||
5154 | // Fields of union "kmp_cmplrdata_t" for destructors and priority. | ||||
5155 | enum { Priority = 0, Destructors = 1 }; | ||||
5156 | // Provide pointer to function with destructors for privates. | ||||
5157 | auto FI = std::next(KmpTaskTQTyRD->field_begin(), Data1); | ||||
5158 | const RecordDecl *KmpCmplrdataUD = | ||||
5159 | (*FI)->getType()->getAsUnionType()->getDecl(); | ||||
5160 | if (NeedsCleanup) { | ||||
5161 | llvm::Value *DestructorFn = emitDestructorsFunction( | ||||
5162 | CGM, Loc, KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | ||||
5163 | KmpTaskTWithPrivatesQTy); | ||||
5164 | LValue Data1LV = CGF.EmitLValueForField(TDBase, *FI); | ||||
5165 | LValue DestructorsLV = CGF.EmitLValueForField( | ||||
5166 | Data1LV, *std::next(KmpCmplrdataUD->field_begin(), Destructors)); | ||||
5167 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5168 | DestructorFn, KmpRoutineEntryPtrTy), | ||||
5169 | DestructorsLV); | ||||
5170 | } | ||||
5171 | // Set priority. | ||||
5172 | if (Data.Priority.getInt()) { | ||||
5173 | LValue Data2LV = CGF.EmitLValueForField( | ||||
5174 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), Data2)); | ||||
5175 | LValue PriorityLV = CGF.EmitLValueForField( | ||||
5176 | Data2LV, *std::next(KmpCmplrdataUD->field_begin(), Priority)); | ||||
5177 | CGF.EmitStoreOfScalar(Data.Priority.getPointer(), PriorityLV); | ||||
5178 | } | ||||
5179 | Result.NewTask = NewTask; | ||||
5180 | Result.TaskEntry = TaskEntry; | ||||
5181 | Result.NewTaskNewTaskTTy = NewTaskNewTaskTTy; | ||||
5182 | Result.TDBase = TDBase; | ||||
5183 | Result.KmpTaskTQTyRD = KmpTaskTQTyRD; | ||||
5184 | return Result; | ||||
5185 | } | ||||
5186 | |||||
5187 | void CGOpenMPRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
5188 | const OMPExecutableDirective &D, | ||||
5189 | llvm::Function *TaskFunction, | ||||
5190 | QualType SharedsTy, Address Shareds, | ||||
5191 | const Expr *IfCond, | ||||
5192 | const OMPTaskDataTy &Data) { | ||||
5193 | if (!CGF.HaveInsertPoint()) | ||||
5194 | return; | ||||
5195 | |||||
5196 | TaskResultTy Result = | ||||
5197 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||
5198 | llvm::Value *NewTask = Result.NewTask; | ||||
5199 | llvm::Function *TaskEntry = Result.TaskEntry; | ||||
5200 | llvm::Value *NewTaskNewTaskTTy = Result.NewTaskNewTaskTTy; | ||||
5201 | LValue TDBase = Result.TDBase; | ||||
5202 | const RecordDecl *KmpTaskTQTyRD = Result.KmpTaskTQTyRD; | ||||
5203 | ASTContext &C = CGM.getContext(); | ||||
5204 | // Process list of dependences. | ||||
5205 | Address DependenciesArray = Address::invalid(); | ||||
5206 | unsigned NumDependencies = Data.Dependences.size(); | ||||
5207 | if (NumDependencies) { | ||||
5208 | // Dependence kind for RTL. | ||||
5209 | enum RTLDependenceKindTy { DepIn = 0x01, DepInOut = 0x3, DepMutexInOutSet = 0x4 }; | ||||
5210 | enum RTLDependInfoFieldsTy { BaseAddr, Len, Flags }; | ||||
5211 | RecordDecl *KmpDependInfoRD; | ||||
5212 | QualType FlagsTy = | ||||
5213 | C.getIntTypeForBitwidth(C.getTypeSize(C.BoolTy), /*Signed=*/false); | ||||
5214 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | ||||
5215 | if (KmpDependInfoTy.isNull()) { | ||||
5216 | KmpDependInfoRD = C.buildImplicitRecord("kmp_depend_info"); | ||||
5217 | KmpDependInfoRD->startDefinition(); | ||||
5218 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getIntPtrType()); | ||||
5219 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getSizeType()); | ||||
5220 | addFieldToRecordDecl(C, KmpDependInfoRD, FlagsTy); | ||||
5221 | KmpDependInfoRD->completeDefinition(); | ||||
5222 | KmpDependInfoTy = C.getRecordType(KmpDependInfoRD); | ||||
5223 | } else { | ||||
5224 | KmpDependInfoRD = cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | ||||
5225 | } | ||||
5226 | // Define type kmp_depend_info[<Dependences.size()>]; | ||||
5227 | QualType KmpDependInfoArrayTy = C.getConstantArrayType( | ||||
5228 | KmpDependInfoTy, llvm::APInt(/*numBits=*/64, NumDependencies), | ||||
5229 | nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||
5230 | // kmp_depend_info[<Dependences.size()>] deps; | ||||
5231 | DependenciesArray = | ||||
5232 | CGF.CreateMemTemp(KmpDependInfoArrayTy, ".dep.arr.addr"); | ||||
5233 | for (unsigned I = 0; I < NumDependencies; ++I) { | ||||
5234 | const Expr *E = Data.Dependences[I].second; | ||||
5235 | LValue Addr = CGF.EmitLValue(E); | ||||
5236 | llvm::Value *Size; | ||||
5237 | QualType Ty = E->getType(); | ||||
5238 | if (const auto *ASE = | ||||
5239 | dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) { | ||||
5240 | LValue UpAddrLVal = | ||||
5241 | CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); | ||||
5242 | llvm::Value *UpAddr = CGF.Builder.CreateConstGEP1_32( | ||||
5243 | UpAddrLVal.getPointer(CGF), /*Idx0=*/1); | ||||
5244 | llvm::Value *LowIntPtr = | ||||
5245 | CGF.Builder.CreatePtrToInt(Addr.getPointer(CGF), CGM.SizeTy); | ||||
5246 | llvm::Value *UpIntPtr = CGF.Builder.CreatePtrToInt(UpAddr, CGM.SizeTy); | ||||
5247 | Size = CGF.Builder.CreateNUWSub(UpIntPtr, LowIntPtr); | ||||
5248 | } else { | ||||
5249 | Size = CGF.getTypeSize(Ty); | ||||
5250 | } | ||||
5251 | LValue Base = CGF.MakeAddrLValue( | ||||
5252 | CGF.Builder.CreateConstArrayGEP(DependenciesArray, I), | ||||
5253 | KmpDependInfoTy); | ||||
5254 | // deps[i].base_addr = &<Dependences[i].second>; | ||||
5255 | LValue BaseAddrLVal = CGF.EmitLValueForField( | ||||
5256 | Base, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | ||||
5257 | CGF.EmitStoreOfScalar( | ||||
5258 | CGF.Builder.CreatePtrToInt(Addr.getPointer(CGF), CGF.IntPtrTy), | ||||
5259 | BaseAddrLVal); | ||||
5260 | // deps[i].len = sizeof(<Dependences[i].second>); | ||||
5261 | LValue LenLVal = CGF.EmitLValueForField( | ||||
5262 | Base, *std::next(KmpDependInfoRD->field_begin(), Len)); | ||||
5263 | CGF.EmitStoreOfScalar(Size, LenLVal); | ||||
5264 | // deps[i].flags = <Dependences[i].first>; | ||||
5265 | RTLDependenceKindTy DepKind; | ||||
5266 | switch (Data.Dependences[I].first) { | ||||
5267 | case OMPC_DEPEND_in: | ||||
5268 | DepKind = DepIn; | ||||
5269 | break; | ||||
5270 | // Out and InOut dependencies must use the same code. | ||||
5271 | case OMPC_DEPEND_out: | ||||
5272 | case OMPC_DEPEND_inout: | ||||
5273 | DepKind = DepInOut; | ||||
5274 | break; | ||||
5275 | case OMPC_DEPEND_mutexinoutset: | ||||
5276 | DepKind = DepMutexInOutSet; | ||||
5277 | break; | ||||
5278 | case OMPC_DEPEND_source: | ||||
5279 | case OMPC_DEPEND_sink: | ||||
5280 | case OMPC_DEPEND_unknown: | ||||
5281 | llvm_unreachable("Unknown task dependence type")::llvm::llvm_unreachable_internal("Unknown task dependence type" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5281); | ||||
5282 | } | ||||
5283 | LValue FlagsLVal = CGF.EmitLValueForField( | ||||
5284 | Base, *std::next(KmpDependInfoRD->field_begin(), Flags)); | ||||
5285 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(LLVMFlagsTy, DepKind), | ||||
5286 | FlagsLVal); | ||||
5287 | } | ||||
5288 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5289 | CGF.Builder.CreateConstArrayGEP(DependenciesArray, 0), CGF.VoidPtrTy); | ||||
5290 | } | ||||
5291 | |||||
5292 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||
5293 | // libcall. | ||||
5294 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | ||||
5295 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | ||||
5296 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list) if dependence | ||||
5297 | // list is not empty | ||||
5298 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||
5299 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||
5300 | llvm::Value *TaskArgs[] = { UpLoc, ThreadID, NewTask }; | ||||
5301 | llvm::Value *DepTaskArgs[7]; | ||||
5302 | if (NumDependencies) { | ||||
5303 | DepTaskArgs[0] = UpLoc; | ||||
5304 | DepTaskArgs[1] = ThreadID; | ||||
5305 | DepTaskArgs[2] = NewTask; | ||||
5306 | DepTaskArgs[3] = CGF.Builder.getInt32(NumDependencies); | ||||
5307 | DepTaskArgs[4] = DependenciesArray.getPointer(); | ||||
5308 | DepTaskArgs[5] = CGF.Builder.getInt32(0); | ||||
5309 | DepTaskArgs[6] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||
5310 | } | ||||
5311 | auto &&ThenCodeGen = [this, &Data, TDBase, KmpTaskTQTyRD, NumDependencies, | ||||
5312 | &TaskArgs, | ||||
5313 | &DepTaskArgs](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
5314 | if (!Data.Tied) { | ||||
5315 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | ||||
5316 | LValue PartIdLVal = CGF.EmitLValueForField(TDBase, *PartIdFI); | ||||
5317 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(0), PartIdLVal); | ||||
5318 | } | ||||
5319 | if (NumDependencies) { | ||||
5320 | CGF.EmitRuntimeCall( | ||||
5321 | createRuntimeFunction(OMPRTL__kmpc_omp_task_with_deps), DepTaskArgs); | ||||
5322 | } else { | ||||
5323 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_task), | ||||
5324 | TaskArgs); | ||||
5325 | } | ||||
5326 | // Check if parent region is untied and build return for untied task; | ||||
5327 | if (auto *Region = | ||||
5328 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||
5329 | Region->emitUntiedSwitch(CGF); | ||||
5330 | }; | ||||
5331 | |||||
5332 | llvm::Value *DepWaitTaskArgs[6]; | ||||
5333 | if (NumDependencies) { | ||||
5334 | DepWaitTaskArgs[0] = UpLoc; | ||||
5335 | DepWaitTaskArgs[1] = ThreadID; | ||||
5336 | DepWaitTaskArgs[2] = CGF.Builder.getInt32(NumDependencies); | ||||
5337 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | ||||
5338 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | ||||
5339 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | ||||
5340 | } | ||||
5341 | auto &&ElseCodeGen = [&TaskArgs, ThreadID, NewTaskNewTaskTTy, TaskEntry, | ||||
5342 | NumDependencies, &DepWaitTaskArgs, | ||||
5343 | Loc](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
5344 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
5345 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | ||||
5346 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | ||||
5347 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | ||||
5348 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); if dependence info | ||||
5349 | // is specified. | ||||
5350 | if (NumDependencies) | ||||
5351 | CGF.EmitRuntimeCall(RT.createRuntimeFunction(OMPRTL__kmpc_omp_wait_deps), | ||||
5352 | DepWaitTaskArgs); | ||||
5353 | // Call proxy_task_entry(gtid, new_task); | ||||
5354 | auto &&CodeGen = [TaskEntry, ThreadID, NewTaskNewTaskTTy, | ||||
5355 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||
5356 | Action.Enter(CGF); | ||||
5357 | llvm::Value *OutlinedFnArgs[] = {ThreadID, NewTaskNewTaskTTy}; | ||||
5358 | CGF.CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskEntry, | ||||
5359 | OutlinedFnArgs); | ||||
5360 | }; | ||||
5361 | |||||
5362 | // Build void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | ||||
5363 | // kmp_task_t *new_task); | ||||
5364 | // Build void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | ||||
5365 | // kmp_task_t *new_task); | ||||
5366 | RegionCodeGenTy RCG(CodeGen); | ||||
5367 | CommonActionTy Action( | ||||
5368 | RT.createRuntimeFunction(OMPRTL__kmpc_omp_task_begin_if0), TaskArgs, | ||||
5369 | RT.createRuntimeFunction(OMPRTL__kmpc_omp_task_complete_if0), TaskArgs); | ||||
5370 | RCG.setAction(Action); | ||||
5371 | RCG(CGF); | ||||
5372 | }; | ||||
5373 | |||||
5374 | if (IfCond) { | ||||
5375 | emitIfClause(CGF, IfCond, ThenCodeGen, ElseCodeGen); | ||||
5376 | } else { | ||||
5377 | RegionCodeGenTy ThenRCG(ThenCodeGen); | ||||
5378 | ThenRCG(CGF); | ||||
5379 | } | ||||
5380 | } | ||||
5381 | |||||
5382 | void CGOpenMPRuntime::emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
5383 | const OMPLoopDirective &D, | ||||
5384 | llvm::Function *TaskFunction, | ||||
5385 | QualType SharedsTy, Address Shareds, | ||||
5386 | const Expr *IfCond, | ||||
5387 | const OMPTaskDataTy &Data) { | ||||
5388 | if (!CGF.HaveInsertPoint()) | ||||
5389 | return; | ||||
5390 | TaskResultTy Result = | ||||
5391 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | ||||
5392 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | ||||
5393 | // libcall. | ||||
5394 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | ||||
5395 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | ||||
5396 | // sched, kmp_uint64 grainsize, void *task_dup); | ||||
5397 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | ||||
5398 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | ||||
5399 | llvm::Value *IfVal; | ||||
5400 | if (IfCond) { | ||||
5401 | IfVal = CGF.Builder.CreateIntCast(CGF.EvaluateExprAsBool(IfCond), CGF.IntTy, | ||||
5402 | /*isSigned=*/true); | ||||
5403 | } else { | ||||
5404 | IfVal = llvm::ConstantInt::getSigned(CGF.IntTy, /*V=*/1); | ||||
5405 | } | ||||
5406 | |||||
5407 | LValue LBLVal = CGF.EmitLValueForField( | ||||
5408 | Result.TDBase, | ||||
5409 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound)); | ||||
5410 | const auto *LBVar = | ||||
5411 | cast<VarDecl>(cast<DeclRefExpr>(D.getLowerBoundVariable())->getDecl()); | ||||
5412 | CGF.EmitAnyExprToMem(LBVar->getInit(), LBLVal.getAddress(CGF), | ||||
5413 | LBLVal.getQuals(), | ||||
5414 | /*IsInitializer=*/true); | ||||
5415 | LValue UBLVal = CGF.EmitLValueForField( | ||||
5416 | Result.TDBase, | ||||
5417 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound)); | ||||
5418 | const auto *UBVar = | ||||
5419 | cast<VarDecl>(cast<DeclRefExpr>(D.getUpperBoundVariable())->getDecl()); | ||||
5420 | CGF.EmitAnyExprToMem(UBVar->getInit(), UBLVal.getAddress(CGF), | ||||
5421 | UBLVal.getQuals(), | ||||
5422 | /*IsInitializer=*/true); | ||||
5423 | LValue StLVal = CGF.EmitLValueForField( | ||||
5424 | Result.TDBase, | ||||
5425 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTStride)); | ||||
5426 | const auto *StVar = | ||||
5427 | cast<VarDecl>(cast<DeclRefExpr>(D.getStrideVariable())->getDecl()); | ||||
5428 | CGF.EmitAnyExprToMem(StVar->getInit(), StLVal.getAddress(CGF), | ||||
5429 | StLVal.getQuals(), | ||||
5430 | /*IsInitializer=*/true); | ||||
5431 | // Store reductions address. | ||||
5432 | LValue RedLVal = CGF.EmitLValueForField( | ||||
5433 | Result.TDBase, | ||||
5434 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTReductions)); | ||||
5435 | if (Data.Reductions) { | ||||
5436 | CGF.EmitStoreOfScalar(Data.Reductions, RedLVal); | ||||
5437 | } else { | ||||
5438 | CGF.EmitNullInitialization(RedLVal.getAddress(CGF), | ||||
5439 | CGF.getContext().VoidPtrTy); | ||||
5440 | } | ||||
5441 | enum { NoSchedule = 0, Grainsize = 1, NumTasks = 2 }; | ||||
5442 | llvm::Value *TaskArgs[] = { | ||||
5443 | UpLoc, | ||||
5444 | ThreadID, | ||||
5445 | Result.NewTask, | ||||
5446 | IfVal, | ||||
5447 | LBLVal.getPointer(CGF), | ||||
5448 | UBLVal.getPointer(CGF), | ||||
5449 | CGF.EmitLoadOfScalar(StLVal, Loc), | ||||
5450 | llvm::ConstantInt::getSigned( | ||||
5451 | CGF.IntTy, 1), // Always 1 because taskgroup emitted by the compiler | ||||
5452 | llvm::ConstantInt::getSigned( | ||||
5453 | CGF.IntTy, Data.Schedule.getPointer() | ||||
5454 | ? Data.Schedule.getInt() ? NumTasks : Grainsize | ||||
5455 | : NoSchedule), | ||||
5456 | Data.Schedule.getPointer() | ||||
5457 | ? CGF.Builder.CreateIntCast(Data.Schedule.getPointer(), CGF.Int64Ty, | ||||
5458 | /*isSigned=*/false) | ||||
5459 | : llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/0), | ||||
5460 | Result.TaskDupFn ? CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5461 | Result.TaskDupFn, CGF.VoidPtrTy) | ||||
5462 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy)}; | ||||
5463 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_taskloop), TaskArgs); | ||||
5464 | } | ||||
5465 | |||||
5466 | /// Emit reduction operation for each element of array (required for | ||||
5467 | /// array sections) LHS op = RHS. | ||||
5468 | /// \param Type Type of array. | ||||
5469 | /// \param LHSVar Variable on the left side of the reduction operation | ||||
5470 | /// (references element of array in original variable). | ||||
5471 | /// \param RHSVar Variable on the right side of the reduction operation | ||||
5472 | /// (references element of array in original variable). | ||||
5473 | /// \param RedOpGen Generator of reduction operation with use of LHSVar and | ||||
5474 | /// RHSVar. | ||||
5475 | static void EmitOMPAggregateReduction( | ||||
5476 | CodeGenFunction &CGF, QualType Type, const VarDecl *LHSVar, | ||||
5477 | const VarDecl *RHSVar, | ||||
5478 | const llvm::function_ref<void(CodeGenFunction &CGF, const Expr *, | ||||
5479 | const Expr *, const Expr *)> &RedOpGen, | ||||
5480 | const Expr *XExpr = nullptr, const Expr *EExpr = nullptr, | ||||
5481 | const Expr *UpExpr = nullptr) { | ||||
5482 | // Perform element-by-element initialization. | ||||
5483 | QualType ElementTy; | ||||
5484 | Address LHSAddr = CGF.GetAddrOfLocalVar(LHSVar); | ||||
5485 | Address RHSAddr = CGF.GetAddrOfLocalVar(RHSVar); | ||||
5486 | |||||
5487 | // Drill down to the base element type on both arrays. | ||||
5488 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | ||||
5489 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, LHSAddr); | ||||
5490 | |||||
5491 | llvm::Value *RHSBegin = RHSAddr.getPointer(); | ||||
5492 | llvm::Value *LHSBegin = LHSAddr.getPointer(); | ||||
5493 | // Cast from pointer to array type to pointer to single element. | ||||
5494 | llvm::Value *LHSEnd = CGF.Builder.CreateGEP(LHSBegin, NumElements); | ||||
5495 | // The basic structure here is a while-do loop. | ||||
5496 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arraycpy.body"); | ||||
5497 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arraycpy.done"); | ||||
5498 | llvm::Value *IsEmpty = | ||||
5499 | CGF.Builder.CreateICmpEQ(LHSBegin, LHSEnd, "omp.arraycpy.isempty"); | ||||
5500 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||
5501 | |||||
5502 | // Enter the loop body, making that address the current address. | ||||
5503 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | ||||
5504 | CGF.EmitBlock(BodyBB); | ||||
5505 | |||||
5506 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | ||||
5507 | |||||
5508 | llvm::PHINode *RHSElementPHI = CGF.Builder.CreatePHI( | ||||
5509 | RHSBegin->getType(), 2, "omp.arraycpy.srcElementPast"); | ||||
5510 | RHSElementPHI->addIncoming(RHSBegin, EntryBB); | ||||
5511 | Address RHSElementCurrent = | ||||
5512 | Address(RHSElementPHI, | ||||
5513 | RHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||
5514 | |||||
5515 | llvm::PHINode *LHSElementPHI = CGF.Builder.CreatePHI( | ||||
5516 | LHSBegin->getType(), 2, "omp.arraycpy.destElementPast"); | ||||
5517 | LHSElementPHI->addIncoming(LHSBegin, EntryBB); | ||||
5518 | Address LHSElementCurrent = | ||||
5519 | Address(LHSElementPHI, | ||||
5520 | LHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | ||||
5521 | |||||
5522 | // Emit copy. | ||||
5523 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||
5524 | Scope.addPrivate(LHSVar, [=]() { return LHSElementCurrent; }); | ||||
5525 | Scope.addPrivate(RHSVar, [=]() { return RHSElementCurrent; }); | ||||
5526 | Scope.Privatize(); | ||||
5527 | RedOpGen(CGF, XExpr, EExpr, UpExpr); | ||||
5528 | Scope.ForceCleanup(); | ||||
5529 | |||||
5530 | // Shift the address forward by one element. | ||||
5531 | llvm::Value *LHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||
5532 | LHSElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | ||||
5533 | llvm::Value *RHSElementNext = CGF.Builder.CreateConstGEP1_32( | ||||
5534 | RHSElementPHI, /*Idx0=*/1, "omp.arraycpy.src.element"); | ||||
5535 | // Check whether we've reached the end. | ||||
5536 | llvm::Value *Done = | ||||
5537 | CGF.Builder.CreateICmpEQ(LHSElementNext, LHSEnd, "omp.arraycpy.done"); | ||||
5538 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | ||||
5539 | LHSElementPHI->addIncoming(LHSElementNext, CGF.Builder.GetInsertBlock()); | ||||
5540 | RHSElementPHI->addIncoming(RHSElementNext, CGF.Builder.GetInsertBlock()); | ||||
5541 | |||||
5542 | // Done. | ||||
5543 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||
5544 | } | ||||
5545 | |||||
5546 | /// Emit reduction combiner. If the combiner is a simple expression emit it as | ||||
5547 | /// is, otherwise consider it as combiner of UDR decl and emit it as a call of | ||||
5548 | /// UDR combiner function. | ||||
5549 | static void emitReductionCombiner(CodeGenFunction &CGF, | ||||
5550 | const Expr *ReductionOp) { | ||||
5551 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | ||||
5552 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | ||||
5553 | if (const auto *DRE = | ||||
5554 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | ||||
5555 | if (const auto *DRD = | ||||
5556 | dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) { | ||||
5557 | std::pair<llvm::Function *, llvm::Function *> Reduction = | ||||
5558 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | ||||
5559 | RValue Func = RValue::get(Reduction.first); | ||||
5560 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | ||||
5561 | CGF.EmitIgnoredExpr(ReductionOp); | ||||
5562 | return; | ||||
5563 | } | ||||
5564 | CGF.EmitIgnoredExpr(ReductionOp); | ||||
5565 | } | ||||
5566 | |||||
5567 | llvm::Function *CGOpenMPRuntime::emitReductionFunction( | ||||
5568 | SourceLocation Loc, llvm::Type *ArgsType, ArrayRef<const Expr *> Privates, | ||||
5569 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | ||||
5570 | ArrayRef<const Expr *> ReductionOps) { | ||||
5571 | ASTContext &C = CGM.getContext(); | ||||
5572 | |||||
5573 | // void reduction_func(void *LHSArg, void *RHSArg); | ||||
5574 | FunctionArgList Args; | ||||
5575 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
5576 | ImplicitParamDecl::Other); | ||||
5577 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
5578 | ImplicitParamDecl::Other); | ||||
5579 | Args.push_back(&LHSArg); | ||||
5580 | Args.push_back(&RHSArg); | ||||
5581 | const auto &CGFI = | ||||
5582 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
5583 | std::string Name = getName({"omp", "reduction", "reduction_func"}); | ||||
5584 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | ||||
5585 | llvm::GlobalValue::InternalLinkage, Name, | ||||
5586 | &CGM.getModule()); | ||||
5587 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | ||||
5588 | Fn->setDoesNotRecurse(); | ||||
5589 | CodeGenFunction CGF(CGM); | ||||
5590 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | ||||
5591 | |||||
5592 | // Dst = (void*[n])(LHSArg); | ||||
5593 | // Src = (void*[n])(RHSArg); | ||||
5594 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5595 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | ||||
5596 | ArgsType), CGF.getPointerAlign()); | ||||
5597 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5598 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | ||||
5599 | ArgsType), CGF.getPointerAlign()); | ||||
5600 | |||||
5601 | // ... | ||||
5602 | // *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); | ||||
5603 | // ... | ||||
5604 | CodeGenFunction::OMPPrivateScope Scope(CGF); | ||||
5605 | auto IPriv = Privates.begin(); | ||||
5606 | unsigned Idx = 0; | ||||
5607 | for (unsigned I = 0, E = ReductionOps.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||
5608 | const auto *RHSVar = | ||||
5609 | cast<VarDecl>(cast<DeclRefExpr>(RHSExprs[I])->getDecl()); | ||||
5610 | Scope.addPrivate(RHSVar, [&CGF, RHS, Idx, RHSVar]() { | ||||
5611 | return emitAddrOfVarFromArray(CGF, RHS, Idx, RHSVar); | ||||
5612 | }); | ||||
5613 | const auto *LHSVar = | ||||
5614 | cast<VarDecl>(cast<DeclRefExpr>(LHSExprs[I])->getDecl()); | ||||
5615 | Scope.addPrivate(LHSVar, [&CGF, LHS, Idx, LHSVar]() { | ||||
5616 | return emitAddrOfVarFromArray(CGF, LHS, Idx, LHSVar); | ||||
5617 | }); | ||||
5618 | QualType PrivTy = (*IPriv)->getType(); | ||||
5619 | if (PrivTy->isVariablyModifiedType()) { | ||||
5620 | // Get array size and emit VLA type. | ||||
5621 | ++Idx; | ||||
5622 | Address Elem = CGF.Builder.CreateConstArrayGEP(LHS, Idx); | ||||
5623 | llvm::Value *Ptr = CGF.Builder.CreateLoad(Elem); | ||||
5624 | const VariableArrayType *VLA = | ||||
5625 | CGF.getContext().getAsVariableArrayType(PrivTy); | ||||
5626 | const auto *OVE = cast<OpaqueValueExpr>(VLA->getSizeExpr()); | ||||
5627 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | ||||
5628 | CGF, OVE, RValue::get(CGF.Builder.CreatePtrToInt(Ptr, CGF.SizeTy))); | ||||
5629 | CGF.EmitVariablyModifiedType(PrivTy); | ||||
5630 | } | ||||
5631 | } | ||||
5632 | Scope.Privatize(); | ||||
5633 | IPriv = Privates.begin(); | ||||
5634 | auto ILHS = LHSExprs.begin(); | ||||
5635 | auto IRHS = RHSExprs.begin(); | ||||
5636 | for (const Expr *E : ReductionOps) { | ||||
5637 | if ((*IPriv)->getType()->isArrayType()) { | ||||
5638 | // Emit reduction for array section. | ||||
5639 | const auto *LHSVar = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||
5640 | const auto *RHSVar = cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||
5641 | EmitOMPAggregateReduction( | ||||
5642 | CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||
5643 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||
5644 | emitReductionCombiner(CGF, E); | ||||
5645 | }); | ||||
5646 | } else { | ||||
5647 | // Emit reduction for array subscript or single variable. | ||||
5648 | emitReductionCombiner(CGF, E); | ||||
5649 | } | ||||
5650 | ++IPriv; | ||||
5651 | ++ILHS; | ||||
5652 | ++IRHS; | ||||
5653 | } | ||||
5654 | Scope.ForceCleanup(); | ||||
5655 | CGF.FinishFunction(); | ||||
5656 | return Fn; | ||||
5657 | } | ||||
5658 | |||||
5659 | void CGOpenMPRuntime::emitSingleReductionCombiner(CodeGenFunction &CGF, | ||||
5660 | const Expr *ReductionOp, | ||||
5661 | const Expr *PrivateRef, | ||||
5662 | const DeclRefExpr *LHS, | ||||
5663 | const DeclRefExpr *RHS) { | ||||
5664 | if (PrivateRef->getType()->isArrayType()) { | ||||
5665 | // Emit reduction for array section. | ||||
5666 | const auto *LHSVar = cast<VarDecl>(LHS->getDecl()); | ||||
5667 | const auto *RHSVar = cast<VarDecl>(RHS->getDecl()); | ||||
5668 | EmitOMPAggregateReduction( | ||||
5669 | CGF, PrivateRef->getType(), LHSVar, RHSVar, | ||||
5670 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | ||||
5671 | emitReductionCombiner(CGF, ReductionOp); | ||||
5672 | }); | ||||
5673 | } else { | ||||
5674 | // Emit reduction for array subscript or single variable. | ||||
5675 | emitReductionCombiner(CGF, ReductionOp); | ||||
5676 | } | ||||
5677 | } | ||||
5678 | |||||
5679 | void CGOpenMPRuntime::emitReduction(CodeGenFunction &CGF, SourceLocation Loc, | ||||
5680 | ArrayRef<const Expr *> Privates, | ||||
5681 | ArrayRef<const Expr *> LHSExprs, | ||||
5682 | ArrayRef<const Expr *> RHSExprs, | ||||
5683 | ArrayRef<const Expr *> ReductionOps, | ||||
5684 | ReductionOptionsTy Options) { | ||||
5685 | if (!CGF.HaveInsertPoint()) | ||||
5686 | return; | ||||
5687 | |||||
5688 | bool WithNowait = Options.WithNowait; | ||||
5689 | bool SimpleReduction = Options.SimpleReduction; | ||||
5690 | |||||
5691 | // Next code should be emitted for reduction: | ||||
5692 | // | ||||
5693 | // static kmp_critical_name lock = { 0 }; | ||||
5694 | // | ||||
5695 | // void reduce_func(void *lhs[<n>], void *rhs[<n>]) { | ||||
5696 | // *(Type0*)lhs[0] = ReductionOperation0(*(Type0*)lhs[0], *(Type0*)rhs[0]); | ||||
5697 | // ... | ||||
5698 | // *(Type<n>-1*)lhs[<n>-1] = ReductionOperation<n>-1(*(Type<n>-1*)lhs[<n>-1], | ||||
5699 | // *(Type<n>-1*)rhs[<n>-1]); | ||||
5700 | // } | ||||
5701 | // | ||||
5702 | // ... | ||||
5703 | // void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; | ||||
5704 | // switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||
5705 | // RedList, reduce_func, &<lock>)) { | ||||
5706 | // case 1: | ||||
5707 | // ... | ||||
5708 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||
5709 | // ... | ||||
5710 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||
5711 | // break; | ||||
5712 | // case 2: | ||||
5713 | // ... | ||||
5714 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||
5715 | // ... | ||||
5716 | // [__kmpc_end_reduce(<loc>, <gtid>, &<lock>);] | ||||
5717 | // break; | ||||
5718 | // default:; | ||||
5719 | // } | ||||
5720 | // | ||||
5721 | // if SimpleReduction is true, only the next code is generated: | ||||
5722 | // ... | ||||
5723 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||
5724 | // ... | ||||
5725 | |||||
5726 | ASTContext &C = CGM.getContext(); | ||||
5727 | |||||
5728 | if (SimpleReduction) { | ||||
5729 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||
5730 | auto IPriv = Privates.begin(); | ||||
5731 | auto ILHS = LHSExprs.begin(); | ||||
5732 | auto IRHS = RHSExprs.begin(); | ||||
5733 | for (const Expr *E : ReductionOps) { | ||||
5734 | emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||
5735 | cast<DeclRefExpr>(*IRHS)); | ||||
5736 | ++IPriv; | ||||
5737 | ++ILHS; | ||||
5738 | ++IRHS; | ||||
5739 | } | ||||
5740 | return; | ||||
5741 | } | ||||
5742 | |||||
5743 | // 1. Build a list of reduction variables. | ||||
5744 | // void *RedList[<n>] = {<ReductionVars>[0], ..., <ReductionVars>[<n>-1]}; | ||||
5745 | auto Size = RHSExprs.size(); | ||||
5746 | for (const Expr *E : Privates) { | ||||
5747 | if (E->getType()->isVariablyModifiedType()) | ||||
5748 | // Reserve place for array size. | ||||
5749 | ++Size; | ||||
5750 | } | ||||
5751 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, Size); | ||||
5752 | QualType ReductionArrayTy = | ||||
5753 | C.getConstantArrayType(C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | ||||
5754 | /*IndexTypeQuals=*/0); | ||||
5755 | Address ReductionList = | ||||
5756 | CGF.CreateMemTemp(ReductionArrayTy, ".omp.reduction.red_list"); | ||||
5757 | auto IPriv = Privates.begin(); | ||||
5758 | unsigned Idx = 0; | ||||
5759 | for (unsigned I = 0, E = RHSExprs.size(); I < E; ++I, ++IPriv, ++Idx) { | ||||
5760 | Address Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||
5761 | CGF.Builder.CreateStore( | ||||
5762 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5763 | CGF.EmitLValue(RHSExprs[I]).getPointer(CGF), CGF.VoidPtrTy), | ||||
5764 | Elem); | ||||
5765 | if ((*IPriv)->getType()->isVariablyModifiedType()) { | ||||
5766 | // Store array size. | ||||
5767 | ++Idx; | ||||
5768 | Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | ||||
5769 | llvm::Value *Size = CGF.Builder.CreateIntCast( | ||||
5770 | CGF.getVLASize( | ||||
5771 | CGF.getContext().getAsVariableArrayType((*IPriv)->getType())) | ||||
5772 | .NumElts, | ||||
5773 | CGF.SizeTy, /*isSigned=*/false); | ||||
5774 | CGF.Builder.CreateStore(CGF.Builder.CreateIntToPtr(Size, CGF.VoidPtrTy), | ||||
5775 | Elem); | ||||
5776 | } | ||||
5777 | } | ||||
5778 | |||||
5779 | // 2. Emit reduce_func(). | ||||
5780 | llvm::Function *ReductionFn = emitReductionFunction( | ||||
5781 | Loc, CGF.ConvertTypeForMem(ReductionArrayTy)->getPointerTo(), Privates, | ||||
5782 | LHSExprs, RHSExprs, ReductionOps); | ||||
5783 | |||||
5784 | // 3. Create static kmp_critical_name lock = { 0 }; | ||||
5785 | std::string Name = getName({"reduction"}); | ||||
5786 | llvm::Value *Lock = getCriticalRegionLock(Name); | ||||
5787 | |||||
5788 | // 4. Build res = __kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | ||||
5789 | // RedList, reduce_func, &<lock>); | ||||
5790 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc, OMP_ATOMIC_REDUCE); | ||||
5791 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | ||||
5792 | llvm::Value *ReductionArrayTySize = CGF.getTypeSize(ReductionArrayTy); | ||||
5793 | llvm::Value *RL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
5794 | ReductionList.getPointer(), CGF.VoidPtrTy); | ||||
5795 | llvm::Value *Args[] = { | ||||
5796 | IdentTLoc, // ident_t *<loc> | ||||
5797 | ThreadId, // i32 <gtid> | ||||
5798 | CGF.Builder.getInt32(RHSExprs.size()), // i32 <n> | ||||
5799 | ReductionArrayTySize, // size_type sizeof(RedList) | ||||
5800 | RL, // void *RedList | ||||
5801 | ReductionFn, // void (*) (void *, void *) <reduce_func> | ||||
5802 | Lock // kmp_critical_name *&<lock> | ||||
5803 | }; | ||||
5804 | llvm::Value *Res = CGF.EmitRuntimeCall( | ||||
5805 | createRuntimeFunction(WithNowait ? OMPRTL__kmpc_reduce_nowait | ||||
5806 | : OMPRTL__kmpc_reduce), | ||||
5807 | Args); | ||||
5808 | |||||
5809 | // 5. Build switch(res) | ||||
5810 | llvm::BasicBlock *DefaultBB = CGF.createBasicBlock(".omp.reduction.default"); | ||||
5811 | llvm::SwitchInst *SwInst = | ||||
5812 | CGF.Builder.CreateSwitch(Res, DefaultBB, /*NumCases=*/2); | ||||
5813 | |||||
5814 | // 6. Build case 1: | ||||
5815 | // ... | ||||
5816 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | ||||
5817 | // ... | ||||
5818 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||
5819 | // break; | ||||
5820 | llvm::BasicBlock *Case1BB = CGF.createBasicBlock(".omp.reduction.case1"); | ||||
5821 | SwInst->addCase(CGF.Builder.getInt32(1), Case1BB); | ||||
5822 | CGF.EmitBlock(Case1BB); | ||||
5823 | |||||
5824 | // Add emission of __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | ||||
5825 | llvm::Value *EndArgs[] = { | ||||
5826 | IdentTLoc, // ident_t *<loc> | ||||
5827 | ThreadId, // i32 <gtid> | ||||
5828 | Lock // kmp_critical_name *&<lock> | ||||
5829 | }; | ||||
5830 | auto &&CodeGen = [Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||
5831 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||
5832 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
5833 | auto IPriv = Privates.begin(); | ||||
5834 | auto ILHS = LHSExprs.begin(); | ||||
5835 | auto IRHS = RHSExprs.begin(); | ||||
5836 | for (const Expr *E : ReductionOps) { | ||||
5837 | RT.emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | ||||
5838 | cast<DeclRefExpr>(*IRHS)); | ||||
5839 | ++IPriv; | ||||
5840 | ++ILHS; | ||||
5841 | ++IRHS; | ||||
5842 | } | ||||
5843 | }; | ||||
5844 | RegionCodeGenTy RCG(CodeGen); | ||||
5845 | CommonActionTy Action( | ||||
5846 | nullptr, llvm::None, | ||||
5847 | createRuntimeFunction(WithNowait ? OMPRTL__kmpc_end_reduce_nowait | ||||
5848 | : OMPRTL__kmpc_end_reduce), | ||||
5849 | EndArgs); | ||||
5850 | RCG.setAction(Action); | ||||
5851 | RCG(CGF); | ||||
5852 | |||||
5853 | CGF.EmitBranch(DefaultBB); | ||||
5854 | |||||
5855 | // 7. Build case 2: | ||||
5856 | // ... | ||||
5857 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | ||||
5858 | // ... | ||||
5859 | // break; | ||||
5860 | llvm::BasicBlock *Case2BB = CGF.createBasicBlock(".omp.reduction.case2"); | ||||
5861 | SwInst->addCase(CGF.Builder.getInt32(2), Case2BB); | ||||
5862 | CGF.EmitBlock(Case2BB); | ||||
5863 | |||||
5864 | auto &&AtomicCodeGen = [Loc, Privates, LHSExprs, RHSExprs, ReductionOps]( | ||||
5865 | CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||
5866 | auto ILHS = LHSExprs.begin(); | ||||
5867 | auto IRHS = RHSExprs.begin(); | ||||
5868 | auto IPriv = Privates.begin(); | ||||
5869 | for (const Expr *E : ReductionOps) { | ||||
5870 | const Expr *XExpr = nullptr; | ||||
5871 | const Expr *EExpr = nullptr; | ||||
5872 | const Expr *UpExpr = nullptr; | ||||
5873 | BinaryOperatorKind BO = BO_Comma; | ||||
5874 | if (const auto *BO = dyn_cast<BinaryOperator>(E)) { | ||||
5875 | if (BO->getOpcode() == BO_Assign) { | ||||
5876 | XExpr = BO->getLHS(); | ||||
5877 | UpExpr = BO->getRHS(); | ||||
5878 | } | ||||
5879 | } | ||||
5880 | // Try to emit update expression as a simple atomic. | ||||
5881 | const Expr *RHSExpr = UpExpr; | ||||
5882 | if (RHSExpr) { | ||||
5883 | // Analyze RHS part of the whole expression. | ||||
5884 | if (const auto *ACO = dyn_cast<AbstractConditionalOperator>( | ||||
5885 | RHSExpr->IgnoreParenImpCasts())) { | ||||
5886 | // If this is a conditional operator, analyze its condition for | ||||
5887 | // min/max reduction operator. | ||||
5888 | RHSExpr = ACO->getCond(); | ||||
5889 | } | ||||
5890 | if (const auto *BORHS = | ||||
5891 | dyn_cast<BinaryOperator>(RHSExpr->IgnoreParenImpCasts())) { | ||||
5892 | EExpr = BORHS->getRHS(); | ||||
5893 | BO = BORHS->getOpcode(); | ||||
5894 | } | ||||
5895 | } | ||||
5896 | if (XExpr) { | ||||
5897 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||
5898 | auto &&AtomicRedGen = [BO, VD, | ||||
5899 | Loc](CodeGenFunction &CGF, const Expr *XExpr, | ||||
5900 | const Expr *EExpr, const Expr *UpExpr) { | ||||
5901 | LValue X = CGF.EmitLValue(XExpr); | ||||
5902 | RValue E; | ||||
5903 | if (EExpr) | ||||
5904 | E = CGF.EmitAnyExpr(EExpr); | ||||
5905 | CGF.EmitOMPAtomicSimpleUpdateExpr( | ||||
5906 | X, E, BO, /*IsXLHSInRHSPart=*/true, | ||||
5907 | llvm::AtomicOrdering::Monotonic, Loc, | ||||
5908 | [&CGF, UpExpr, VD, Loc](RValue XRValue) { | ||||
5909 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||
5910 | PrivateScope.addPrivate( | ||||
5911 | VD, [&CGF, VD, XRValue, Loc]() { | ||||
5912 | Address LHSTemp = CGF.CreateMemTemp(VD->getType()); | ||||
5913 | CGF.emitOMPSimpleStore( | ||||
5914 | CGF.MakeAddrLValue(LHSTemp, VD->getType()), XRValue, | ||||
5915 | VD->getType().getNonReferenceType(), Loc); | ||||
5916 | return LHSTemp; | ||||
5917 | }); | ||||
5918 | (void)PrivateScope.Privatize(); | ||||
5919 | return CGF.EmitAnyExpr(UpExpr); | ||||
5920 | }); | ||||
5921 | }; | ||||
5922 | if ((*IPriv)->getType()->isArrayType()) { | ||||
5923 | // Emit atomic reduction for array section. | ||||
5924 | const auto *RHSVar = | ||||
5925 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||
5926 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), VD, RHSVar, | ||||
5927 | AtomicRedGen, XExpr, EExpr, UpExpr); | ||||
5928 | } else { | ||||
5929 | // Emit atomic reduction for array subscript or single variable. | ||||
5930 | AtomicRedGen(CGF, XExpr, EExpr, UpExpr); | ||||
5931 | } | ||||
5932 | } else { | ||||
5933 | // Emit as a critical region. | ||||
5934 | auto &&CritRedGen = [E, Loc](CodeGenFunction &CGF, const Expr *, | ||||
5935 | const Expr *, const Expr *) { | ||||
5936 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
5937 | std::string Name = RT.getName({"atomic_reduction"}); | ||||
5938 | RT.emitCriticalRegion( | ||||
5939 | CGF, Name, | ||||
5940 | [=](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||
5941 | Action.Enter(CGF); | ||||
5942 | emitReductionCombiner(CGF, E); | ||||
5943 | }, | ||||
5944 | Loc); | ||||
5945 | }; | ||||
5946 | if ((*IPriv)->getType()->isArrayType()) { | ||||
5947 | const auto *LHSVar = | ||||
5948 | cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | ||||
5949 | const auto *RHSVar = | ||||
5950 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | ||||
5951 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), LHSVar, RHSVar, | ||||
5952 | CritRedGen); | ||||
5953 | } else { | ||||
5954 | CritRedGen(CGF, nullptr, nullptr, nullptr); | ||||
5955 | } | ||||
5956 | } | ||||
5957 | ++ILHS; | ||||
5958 | ++IRHS; | ||||
5959 | ++IPriv; | ||||
5960 | } | ||||
5961 | }; | ||||
5962 | RegionCodeGenTy AtomicRCG(AtomicCodeGen); | ||||
5963 | if (!WithNowait) { | ||||
5964 | // Add emission of __kmpc_end_reduce(<loc>, <gtid>, &<lock>); | ||||
5965 | llvm::Value *EndArgs[] = { | ||||
5966 | IdentTLoc, // ident_t *<loc> | ||||
5967 | ThreadId, // i32 <gtid> | ||||
5968 | Lock // kmp_critical_name *&<lock> | ||||
5969 | }; | ||||
5970 | CommonActionTy Action(nullptr, llvm::None, | ||||
5971 | createRuntimeFunction(OMPRTL__kmpc_end_reduce), | ||||
5972 | EndArgs); | ||||
5973 | AtomicRCG.setAction(Action); | ||||
5974 | AtomicRCG(CGF); | ||||
5975 | } else { | ||||
5976 | AtomicRCG(CGF); | ||||
5977 | } | ||||
5978 | |||||
5979 | CGF.EmitBranch(DefaultBB); | ||||
5980 | CGF.EmitBlock(DefaultBB, /*IsFinished=*/true); | ||||
5981 | } | ||||
5982 | |||||
5983 | /// Generates unique name for artificial threadprivate variables. | ||||
5984 | /// Format is: <Prefix> "." <Decl_mangled_name> "_" "<Decl_start_loc_raw_enc>" | ||||
5985 | static std::string generateUniqueName(CodeGenModule &CGM, StringRef Prefix, | ||||
5986 | const Expr *Ref) { | ||||
5987 | SmallString<256> Buffer; | ||||
5988 | llvm::raw_svector_ostream Out(Buffer); | ||||
5989 | const clang::DeclRefExpr *DE; | ||||
5990 | const VarDecl *D = ::getBaseDecl(Ref, DE); | ||||
5991 | if (!D) | ||||
5992 | D = cast<VarDecl>(cast<DeclRefExpr>(Ref)->getDecl()); | ||||
5993 | D = D->getCanonicalDecl(); | ||||
5994 | std::string Name = CGM.getOpenMPRuntime().getName( | ||||
5995 | {D->isLocalVarDeclOrParm() ? D->getName() : CGM.getMangledName(D)}); | ||||
5996 | Out << Prefix << Name << "_" | ||||
5997 | << D->getCanonicalDecl()->getBeginLoc().getRawEncoding(); | ||||
5998 | return std::string(Out.str()); | ||||
5999 | } | ||||
6000 | |||||
6001 | /// Emits reduction initializer function: | ||||
6002 | /// \code | ||||
6003 | /// void @.red_init(void* %arg) { | ||||
6004 | /// %0 = bitcast void* %arg to <type>* | ||||
6005 | /// store <type> <init>, <type>* %0 | ||||
6006 | /// ret void | ||||
6007 | /// } | ||||
6008 | /// \endcode | ||||
6009 | static llvm::Value *emitReduceInitFunction(CodeGenModule &CGM, | ||||
6010 | SourceLocation Loc, | ||||
6011 | ReductionCodeGen &RCG, unsigned N) { | ||||
6012 | ASTContext &C = CGM.getContext(); | ||||
6013 | FunctionArgList Args; | ||||
6014 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
6015 | ImplicitParamDecl::Other); | ||||
6016 | Args.emplace_back(&Param); | ||||
6017 | const auto &FnInfo = | ||||
6018 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
6019 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||
6020 | std::string Name = CGM.getOpenMPRuntime().getName({"red_init", ""}); | ||||
6021 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||
6022 | Name, &CGM.getModule()); | ||||
6023 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||
6024 | Fn->setDoesNotRecurse(); | ||||
6025 | CodeGenFunction CGF(CGM); | ||||
6026 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||
6027 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||
6028 | CGF.GetAddrOfLocalVar(&Param), | ||||
6029 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | ||||
6030 | llvm::Value *Size = nullptr; | ||||
6031 | // If the size of the reduction item is non-constant, load it from global | ||||
6032 | // threadprivate variable. | ||||
6033 | if (RCG.getSizes(N).second) { | ||||
6034 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||
6035 | CGF, CGM.getContext().getSizeType(), | ||||
6036 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||
6037 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||
6038 | CGM.getContext().getSizeType(), Loc); | ||||
6039 | } | ||||
6040 | RCG.emitAggregateType(CGF, N, Size); | ||||
6041 | LValue SharedLVal; | ||||
6042 | // If initializer uses initializer from declare reduction construct, emit a | ||||
6043 | // pointer to the address of the original reduction item (reuired by reduction | ||||
6044 | // initializer) | ||||
6045 | if (RCG.usesReductionInitializer(N)) { | ||||
6046 | Address SharedAddr = | ||||
6047 | CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||
6048 | CGF, CGM.getContext().VoidPtrTy, | ||||
6049 | generateUniqueName(CGM, "reduction", RCG.getRefExpr(N))); | ||||
6050 | SharedAddr = CGF.EmitLoadOfPointer( | ||||
6051 | SharedAddr, | ||||
6052 | CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr()); | ||||
6053 | SharedLVal = CGF.MakeAddrLValue(SharedAddr, CGM.getContext().VoidPtrTy); | ||||
6054 | } else { | ||||
6055 | SharedLVal = CGF.MakeNaturalAlignAddrLValue( | ||||
6056 | llvm::ConstantPointerNull::get(CGM.VoidPtrTy), | ||||
6057 | CGM.getContext().VoidPtrTy); | ||||
6058 | } | ||||
6059 | // Emit the initializer: | ||||
6060 | // %0 = bitcast void* %arg to <type>* | ||||
6061 | // store <type> <init>, <type>* %0 | ||||
6062 | RCG.emitInitialization(CGF, N, PrivateAddr, SharedLVal, | ||||
6063 | [](CodeGenFunction &) { return false; }); | ||||
6064 | CGF.FinishFunction(); | ||||
6065 | return Fn; | ||||
6066 | } | ||||
6067 | |||||
6068 | /// Emits reduction combiner function: | ||||
6069 | /// \code | ||||
6070 | /// void @.red_comb(void* %arg0, void* %arg1) { | ||||
6071 | /// %lhs = bitcast void* %arg0 to <type>* | ||||
6072 | /// %rhs = bitcast void* %arg1 to <type>* | ||||
6073 | /// %2 = <ReductionOp>(<type>* %lhs, <type>* %rhs) | ||||
6074 | /// store <type> %2, <type>* %lhs | ||||
6075 | /// ret void | ||||
6076 | /// } | ||||
6077 | /// \endcode | ||||
6078 | static llvm::Value *emitReduceCombFunction(CodeGenModule &CGM, | ||||
6079 | SourceLocation Loc, | ||||
6080 | ReductionCodeGen &RCG, unsigned N, | ||||
6081 | const Expr *ReductionOp, | ||||
6082 | const Expr *LHS, const Expr *RHS, | ||||
6083 | const Expr *PrivateRef) { | ||||
6084 | ASTContext &C = CGM.getContext(); | ||||
6085 | const auto *LHSVD = cast<VarDecl>(cast<DeclRefExpr>(LHS)->getDecl()); | ||||
6086 | const auto *RHSVD = cast<VarDecl>(cast<DeclRefExpr>(RHS)->getDecl()); | ||||
6087 | FunctionArgList Args; | ||||
6088 | ImplicitParamDecl ParamInOut(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
6089 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||
6090 | ImplicitParamDecl ParamIn(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
6091 | ImplicitParamDecl::Other); | ||||
6092 | Args.emplace_back(&ParamInOut); | ||||
6093 | Args.emplace_back(&ParamIn); | ||||
6094 | const auto &FnInfo = | ||||
6095 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
6096 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||
6097 | std::string Name = CGM.getOpenMPRuntime().getName({"red_comb", ""}); | ||||
6098 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||
6099 | Name, &CGM.getModule()); | ||||
6100 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||
6101 | Fn->setDoesNotRecurse(); | ||||
6102 | CodeGenFunction CGF(CGM); | ||||
6103 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||
6104 | llvm::Value *Size = nullptr; | ||||
6105 | // If the size of the reduction item is non-constant, load it from global | ||||
6106 | // threadprivate variable. | ||||
6107 | if (RCG.getSizes(N).second) { | ||||
6108 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||
6109 | CGF, CGM.getContext().getSizeType(), | ||||
6110 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||
6111 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||
6112 | CGM.getContext().getSizeType(), Loc); | ||||
6113 | } | ||||
6114 | RCG.emitAggregateType(CGF, N, Size); | ||||
6115 | // Remap lhs and rhs variables to the addresses of the function arguments. | ||||
6116 | // %lhs = bitcast void* %arg0 to <type>* | ||||
6117 | // %rhs = bitcast void* %arg1 to <type>* | ||||
6118 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | ||||
6119 | PrivateScope.addPrivate(LHSVD, [&C, &CGF, &ParamInOut, LHSVD]() { | ||||
6120 | // Pull out the pointer to the variable. | ||||
6121 | Address PtrAddr = CGF.EmitLoadOfPointer( | ||||
6122 | CGF.GetAddrOfLocalVar(&ParamInOut), | ||||
6123 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | ||||
6124 | return CGF.Builder.CreateElementBitCast( | ||||
6125 | PtrAddr, CGF.ConvertTypeForMem(LHSVD->getType())); | ||||
6126 | }); | ||||
6127 | PrivateScope.addPrivate(RHSVD, [&C, &CGF, &ParamIn, RHSVD]() { | ||||
6128 | // Pull out the pointer to the variable. | ||||
6129 | Address PtrAddr = CGF.EmitLoadOfPointer( | ||||
6130 | CGF.GetAddrOfLocalVar(&ParamIn), | ||||
6131 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | ||||
6132 | return CGF.Builder.CreateElementBitCast( | ||||
6133 | PtrAddr, CGF.ConvertTypeForMem(RHSVD->getType())); | ||||
6134 | }); | ||||
6135 | PrivateScope.Privatize(); | ||||
6136 | // Emit the combiner body: | ||||
6137 | // %2 = <ReductionOp>(<type> *%lhs, <type> *%rhs) | ||||
6138 | // store <type> %2, <type>* %lhs | ||||
6139 | CGM.getOpenMPRuntime().emitSingleReductionCombiner( | ||||
6140 | CGF, ReductionOp, PrivateRef, cast<DeclRefExpr>(LHS), | ||||
6141 | cast<DeclRefExpr>(RHS)); | ||||
6142 | CGF.FinishFunction(); | ||||
6143 | return Fn; | ||||
6144 | } | ||||
6145 | |||||
6146 | /// Emits reduction finalizer function: | ||||
6147 | /// \code | ||||
6148 | /// void @.red_fini(void* %arg) { | ||||
6149 | /// %0 = bitcast void* %arg to <type>* | ||||
6150 | /// <destroy>(<type>* %0) | ||||
6151 | /// ret void | ||||
6152 | /// } | ||||
6153 | /// \endcode | ||||
6154 | static llvm::Value *emitReduceFiniFunction(CodeGenModule &CGM, | ||||
6155 | SourceLocation Loc, | ||||
6156 | ReductionCodeGen &RCG, unsigned N) { | ||||
6157 | if (!RCG.needCleanups(N)) | ||||
6158 | return nullptr; | ||||
6159 | ASTContext &C = CGM.getContext(); | ||||
6160 | FunctionArgList Args; | ||||
6161 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
6162 | ImplicitParamDecl::Other); | ||||
6163 | Args.emplace_back(&Param); | ||||
6164 | const auto &FnInfo = | ||||
6165 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
6166 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||
6167 | std::string Name = CGM.getOpenMPRuntime().getName({"red_fini", ""}); | ||||
6168 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||
6169 | Name, &CGM.getModule()); | ||||
6170 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||
6171 | Fn->setDoesNotRecurse(); | ||||
6172 | CodeGenFunction CGF(CGM); | ||||
6173 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||
6174 | Address PrivateAddr = CGF.EmitLoadOfPointer( | ||||
6175 | CGF.GetAddrOfLocalVar(&Param), | ||||
6176 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | ||||
6177 | llvm::Value *Size = nullptr; | ||||
6178 | // If the size of the reduction item is non-constant, load it from global | ||||
6179 | // threadprivate variable. | ||||
6180 | if (RCG.getSizes(N).second) { | ||||
6181 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | ||||
6182 | CGF, CGM.getContext().getSizeType(), | ||||
6183 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||
6184 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | ||||
6185 | CGM.getContext().getSizeType(), Loc); | ||||
6186 | } | ||||
6187 | RCG.emitAggregateType(CGF, N, Size); | ||||
6188 | // Emit the finalizer body: | ||||
6189 | // <destroy>(<type>* %0) | ||||
6190 | RCG.emitCleanups(CGF, N, PrivateAddr); | ||||
6191 | CGF.FinishFunction(Loc); | ||||
6192 | return Fn; | ||||
6193 | } | ||||
6194 | |||||
6195 | llvm::Value *CGOpenMPRuntime::emitTaskReductionInit( | ||||
6196 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | ||||
6197 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | ||||
6198 | if (!CGF.HaveInsertPoint() || Data.ReductionVars.empty()) | ||||
6199 | return nullptr; | ||||
6200 | |||||
6201 | // Build typedef struct: | ||||
6202 | // kmp_task_red_input { | ||||
6203 | // void *reduce_shar; // shared reduction item | ||||
6204 | // size_t reduce_size; // size of data item | ||||
6205 | // void *reduce_init; // data initialization routine | ||||
6206 | // void *reduce_fini; // data finalization routine | ||||
6207 | // void *reduce_comb; // data combiner routine | ||||
6208 | // kmp_task_red_flags_t flags; // flags for additional info from compiler | ||||
6209 | // } kmp_task_red_input_t; | ||||
6210 | ASTContext &C = CGM.getContext(); | ||||
6211 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_red_input_t"); | ||||
6212 | RD->startDefinition(); | ||||
6213 | const FieldDecl *SharedFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
6214 | const FieldDecl *SizeFD = addFieldToRecordDecl(C, RD, C.getSizeType()); | ||||
6215 | const FieldDecl *InitFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
6216 | const FieldDecl *FiniFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
6217 | const FieldDecl *CombFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | ||||
6218 | const FieldDecl *FlagsFD = addFieldToRecordDecl( | ||||
6219 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/false)); | ||||
6220 | RD->completeDefinition(); | ||||
6221 | QualType RDType = C.getRecordType(RD); | ||||
6222 | unsigned Size = Data.ReductionVars.size(); | ||||
6223 | llvm::APInt ArraySize(/*numBits=*/64, Size); | ||||
6224 | QualType ArrayRDType = C.getConstantArrayType( | ||||
6225 | RDType, ArraySize, nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | ||||
6226 | // kmp_task_red_input_t .rd_input.[Size]; | ||||
6227 | Address TaskRedInput = CGF.CreateMemTemp(ArrayRDType, ".rd_input."); | ||||
6228 | ReductionCodeGen RCG(Data.ReductionVars, Data.ReductionCopies, | ||||
6229 | Data.ReductionOps); | ||||
6230 | for (unsigned Cnt = 0; Cnt < Size; ++Cnt) { | ||||
6231 | // kmp_task_red_input_t &ElemLVal = .rd_input.[Cnt]; | ||||
6232 | llvm::Value *Idxs[] = {llvm::ConstantInt::get(CGM.SizeTy, /*V=*/0), | ||||
6233 | llvm::ConstantInt::get(CGM.SizeTy, Cnt)}; | ||||
6234 | llvm::Value *GEP = CGF.EmitCheckedInBoundsGEP( | ||||
6235 | TaskRedInput.getPointer(), Idxs, | ||||
6236 | /*SignedIndices=*/false, /*IsSubtraction=*/false, Loc, | ||||
6237 | ".rd_input.gep."); | ||||
6238 | LValue ElemLVal = CGF.MakeNaturalAlignAddrLValue(GEP, RDType); | ||||
6239 | // ElemLVal.reduce_shar = &Shareds[Cnt]; | ||||
6240 | LValue SharedLVal = CGF.EmitLValueForField(ElemLVal, SharedFD); | ||||
6241 | RCG.emitSharedLValue(CGF, Cnt); | ||||
6242 | llvm::Value *CastedShared = | ||||
6243 | CGF.EmitCastToVoidPtr(RCG.getSharedLValue(Cnt).getPointer(CGF)); | ||||
6244 | CGF.EmitStoreOfScalar(CastedShared, SharedLVal); | ||||
6245 | RCG.emitAggregateType(CGF, Cnt); | ||||
6246 | llvm::Value *SizeValInChars; | ||||
6247 | llvm::Value *SizeVal; | ||||
6248 | std::tie(SizeValInChars, SizeVal) = RCG.getSizes(Cnt); | ||||
6249 | // We use delayed creation/initialization for VLAs, array sections and | ||||
6250 | // custom reduction initializations. It is required because runtime does not | ||||
6251 | // provide the way to pass the sizes of VLAs/array sections to | ||||
6252 | // initializer/combiner/finalizer functions and does not pass the pointer to | ||||
6253 | // original reduction item to the initializer. Instead threadprivate global | ||||
6254 | // variables are used to store these values and use them in the functions. | ||||
6255 | bool DelayedCreation = !!SizeVal; | ||||
6256 | SizeValInChars = CGF.Builder.CreateIntCast(SizeValInChars, CGM.SizeTy, | ||||
6257 | /*isSigned=*/false); | ||||
6258 | LValue SizeLVal = CGF.EmitLValueForField(ElemLVal, SizeFD); | ||||
6259 | CGF.EmitStoreOfScalar(SizeValInChars, SizeLVal); | ||||
6260 | // ElemLVal.reduce_init = init; | ||||
6261 | LValue InitLVal = CGF.EmitLValueForField(ElemLVal, InitFD); | ||||
6262 | llvm::Value *InitAddr = | ||||
6263 | CGF.EmitCastToVoidPtr(emitReduceInitFunction(CGM, Loc, RCG, Cnt)); | ||||
6264 | CGF.EmitStoreOfScalar(InitAddr, InitLVal); | ||||
6265 | DelayedCreation = DelayedCreation || RCG.usesReductionInitializer(Cnt); | ||||
6266 | // ElemLVal.reduce_fini = fini; | ||||
6267 | LValue FiniLVal = CGF.EmitLValueForField(ElemLVal, FiniFD); | ||||
6268 | llvm::Value *Fini = emitReduceFiniFunction(CGM, Loc, RCG, Cnt); | ||||
6269 | llvm::Value *FiniAddr = Fini | ||||
6270 | ? CGF.EmitCastToVoidPtr(Fini) | ||||
6271 | : llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | ||||
6272 | CGF.EmitStoreOfScalar(FiniAddr, FiniLVal); | ||||
6273 | // ElemLVal.reduce_comb = comb; | ||||
6274 | LValue CombLVal = CGF.EmitLValueForField(ElemLVal, CombFD); | ||||
6275 | llvm::Value *CombAddr = CGF.EmitCastToVoidPtr(emitReduceCombFunction( | ||||
6276 | CGM, Loc, RCG, Cnt, Data.ReductionOps[Cnt], LHSExprs[Cnt], | ||||
6277 | RHSExprs[Cnt], Data.ReductionCopies[Cnt])); | ||||
6278 | CGF.EmitStoreOfScalar(CombAddr, CombLVal); | ||||
6279 | // ElemLVal.flags = 0; | ||||
6280 | LValue FlagsLVal = CGF.EmitLValueForField(ElemLVal, FlagsFD); | ||||
6281 | if (DelayedCreation) { | ||||
6282 | CGF.EmitStoreOfScalar( | ||||
6283 | llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*isSigned=*/true), | ||||
6284 | FlagsLVal); | ||||
6285 | } else | ||||
6286 | CGF.EmitNullInitialization(FlagsLVal.getAddress(CGF), | ||||
6287 | FlagsLVal.getType()); | ||||
6288 | } | ||||
6289 | // Build call void *__kmpc_task_reduction_init(int gtid, int num_data, void | ||||
6290 | // *data); | ||||
6291 | llvm::Value *Args[] = { | ||||
6292 | CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), CGM.IntTy, | ||||
6293 | /*isSigned=*/true), | ||||
6294 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | ||||
6295 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(TaskRedInput.getPointer(), | ||||
6296 | CGM.VoidPtrTy)}; | ||||
6297 | return CGF.EmitRuntimeCall( | ||||
6298 | createRuntimeFunction(OMPRTL__kmpc_task_reduction_init), Args); | ||||
6299 | } | ||||
6300 | |||||
6301 | void CGOpenMPRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | ||||
6302 | SourceLocation Loc, | ||||
6303 | ReductionCodeGen &RCG, | ||||
6304 | unsigned N) { | ||||
6305 | auto Sizes = RCG.getSizes(N); | ||||
6306 | // Emit threadprivate global variable if the type is non-constant | ||||
6307 | // (Sizes.second = nullptr). | ||||
6308 | if (Sizes.second) { | ||||
6309 | llvm::Value *SizeVal = CGF.Builder.CreateIntCast(Sizes.second, CGM.SizeTy, | ||||
6310 | /*isSigned=*/false); | ||||
6311 | Address SizeAddr = getAddrOfArtificialThreadPrivate( | ||||
6312 | CGF, CGM.getContext().getSizeType(), | ||||
6313 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | ||||
6314 | CGF.Builder.CreateStore(SizeVal, SizeAddr, /*IsVolatile=*/false); | ||||
6315 | } | ||||
6316 | // Store address of the original reduction item if custom initializer is used. | ||||
6317 | if (RCG.usesReductionInitializer(N)) { | ||||
6318 | Address SharedAddr = getAddrOfArtificialThreadPrivate( | ||||
6319 | CGF, CGM.getContext().VoidPtrTy, | ||||
6320 | generateUniqueName(CGM, "reduction", RCG.getRefExpr(N))); | ||||
6321 | CGF.Builder.CreateStore( | ||||
6322 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
6323 | RCG.getSharedLValue(N).getPointer(CGF), CGM.VoidPtrTy), | ||||
6324 | SharedAddr, /*IsVolatile=*/false); | ||||
6325 | } | ||||
6326 | } | ||||
6327 | |||||
6328 | Address CGOpenMPRuntime::getTaskReductionItem(CodeGenFunction &CGF, | ||||
6329 | SourceLocation Loc, | ||||
6330 | llvm::Value *ReductionsPtr, | ||||
6331 | LValue SharedLVal) { | ||||
6332 | // Build call void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | ||||
6333 | // *d); | ||||
6334 | llvm::Value *Args[] = {CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | ||||
6335 | CGM.IntTy, | ||||
6336 | /*isSigned=*/true), | ||||
6337 | ReductionsPtr, | ||||
6338 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
6339 | SharedLVal.getPointer(CGF), CGM.VoidPtrTy)}; | ||||
6340 | return Address( | ||||
6341 | CGF.EmitRuntimeCall( | ||||
6342 | createRuntimeFunction(OMPRTL__kmpc_task_reduction_get_th_data), Args), | ||||
6343 | SharedLVal.getAlignment()); | ||||
6344 | } | ||||
6345 | |||||
6346 | void CGOpenMPRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | ||||
6347 | SourceLocation Loc) { | ||||
6348 | if (!CGF.HaveInsertPoint()) | ||||
6349 | return; | ||||
6350 | |||||
6351 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | ||||
6352 | if (OMPBuilder) { | ||||
6353 | OMPBuilder->CreateTaskwait(CGF.Builder); | ||||
6354 | } else { | ||||
6355 | // Build call kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | ||||
6356 | // global_tid); | ||||
6357 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | ||||
6358 | // Ignore return result until untied tasks are supported. | ||||
6359 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_taskwait), Args); | ||||
6360 | } | ||||
6361 | |||||
6362 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | ||||
6363 | Region->emitUntiedSwitch(CGF); | ||||
6364 | } | ||||
6365 | |||||
6366 | void CGOpenMPRuntime::emitInlinedDirective(CodeGenFunction &CGF, | ||||
6367 | OpenMPDirectiveKind InnerKind, | ||||
6368 | const RegionCodeGenTy &CodeGen, | ||||
6369 | bool HasCancel) { | ||||
6370 | if (!CGF.HaveInsertPoint()) | ||||
6371 | return; | ||||
6372 | InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel); | ||||
6373 | CGF.CapturedStmtInfo->EmitBody(CGF, /*S=*/nullptr); | ||||
6374 | } | ||||
6375 | |||||
6376 | namespace { | ||||
6377 | enum RTCancelKind { | ||||
6378 | CancelNoreq = 0, | ||||
6379 | CancelParallel = 1, | ||||
6380 | CancelLoop = 2, | ||||
6381 | CancelSections = 3, | ||||
6382 | CancelTaskgroup = 4 | ||||
6383 | }; | ||||
6384 | } // anonymous namespace | ||||
6385 | |||||
6386 | static RTCancelKind getCancellationKind(OpenMPDirectiveKind CancelRegion) { | ||||
6387 | RTCancelKind CancelKind = CancelNoreq; | ||||
6388 | if (CancelRegion == OMPD_parallel) | ||||
6389 | CancelKind = CancelParallel; | ||||
6390 | else if (CancelRegion == OMPD_for) | ||||
6391 | CancelKind = CancelLoop; | ||||
6392 | else if (CancelRegion == OMPD_sections) | ||||
6393 | CancelKind = CancelSections; | ||||
6394 | else { | ||||
6395 | assert(CancelRegion == OMPD_taskgroup)((CancelRegion == OMPD_taskgroup) ? static_cast<void> ( 0) : __assert_fail ("CancelRegion == OMPD_taskgroup", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6395, __PRETTY_FUNCTION__)); | ||||
6396 | CancelKind = CancelTaskgroup; | ||||
6397 | } | ||||
6398 | return CancelKind; | ||||
6399 | } | ||||
6400 | |||||
6401 | void CGOpenMPRuntime::emitCancellationPointCall( | ||||
6402 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
6403 | OpenMPDirectiveKind CancelRegion) { | ||||
6404 | if (!CGF.HaveInsertPoint()) | ||||
6405 | return; | ||||
6406 | // Build call kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | ||||
6407 | // global_tid, kmp_int32 cncl_kind); | ||||
6408 | if (auto *OMPRegionInfo = | ||||
6409 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||
6410 | // For 'cancellation point taskgroup', the task region info may not have a | ||||
6411 | // cancel. This may instead happen in another adjacent task. | ||||
6412 | if (CancelRegion == OMPD_taskgroup || OMPRegionInfo->hasCancel()) { | ||||
6413 | llvm::Value *Args[] = { | ||||
6414 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | ||||
6415 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | ||||
6416 | // Ignore return result until untied tasks are supported. | ||||
6417 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||
6418 | createRuntimeFunction(OMPRTL__kmpc_cancellationpoint), Args); | ||||
6419 | // if (__kmpc_cancellationpoint()) { | ||||
6420 | // exit from construct; | ||||
6421 | // } | ||||
6422 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||
6423 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||
6424 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||
6425 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||
6426 | CGF.EmitBlock(ExitBB); | ||||
6427 | // exit from construct; | ||||
6428 | CodeGenFunction::JumpDest CancelDest = | ||||
6429 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||
6430 | CGF.EmitBranchThroughCleanup(CancelDest); | ||||
6431 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||
6432 | } | ||||
6433 | } | ||||
6434 | } | ||||
6435 | |||||
6436 | void CGOpenMPRuntime::emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
6437 | const Expr *IfCond, | ||||
6438 | OpenMPDirectiveKind CancelRegion) { | ||||
6439 | if (!CGF.HaveInsertPoint()) | ||||
6440 | return; | ||||
6441 | // Build call kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | ||||
6442 | // kmp_int32 cncl_kind); | ||||
6443 | if (auto *OMPRegionInfo = | ||||
6444 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | ||||
6445 | auto &&ThenGen = [Loc, CancelRegion, OMPRegionInfo](CodeGenFunction &CGF, | ||||
6446 | PrePostActionTy &) { | ||||
6447 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | ||||
6448 | llvm::Value *Args[] = { | ||||
6449 | RT.emitUpdateLocation(CGF, Loc), RT.getThreadID(CGF, Loc), | ||||
6450 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | ||||
6451 | // Ignore return result until untied tasks are supported. | ||||
6452 | llvm::Value *Result = CGF.EmitRuntimeCall( | ||||
6453 | RT.createRuntimeFunction(OMPRTL__kmpc_cancel), Args); | ||||
6454 | // if (__kmpc_cancel()) { | ||||
6455 | // exit from construct; | ||||
6456 | // } | ||||
6457 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | ||||
6458 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | ||||
6459 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | ||||
6460 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | ||||
6461 | CGF.EmitBlock(ExitBB); | ||||
6462 | // exit from construct; | ||||
6463 | CodeGenFunction::JumpDest CancelDest = | ||||
6464 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | ||||
6465 | CGF.EmitBranchThroughCleanup(CancelDest); | ||||
6466 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | ||||
6467 | }; | ||||
6468 | if (IfCond) { | ||||
6469 | emitIfClause(CGF, IfCond, ThenGen, | ||||
6470 | [](CodeGenFunction &, PrePostActionTy &) {}); | ||||
6471 | } else { | ||||
6472 | RegionCodeGenTy ThenRCG(ThenGen); | ||||
6473 | ThenRCG(CGF); | ||||
6474 | } | ||||
6475 | } | ||||
6476 | } | ||||
6477 | |||||
6478 | void CGOpenMPRuntime::emitTargetOutlinedFunction( | ||||
6479 | const OMPExecutableDirective &D, StringRef ParentName, | ||||
6480 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||
6481 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||
6482 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6482, __PRETTY_FUNCTION__)); | ||||
6483 | HasEmittedTargetRegion = true; | ||||
6484 | emitTargetOutlinedFunctionHelper(D, ParentName, OutlinedFn, OutlinedFnID, | ||||
6485 | IsOffloadEntry, CodeGen); | ||||
6486 | } | ||||
6487 | |||||
6488 | void CGOpenMPRuntime::emitTargetOutlinedFunctionHelper( | ||||
6489 | const OMPExecutableDirective &D, StringRef ParentName, | ||||
6490 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||
6491 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||
6492 | // Create a unique name for the entry function using the source location | ||||
6493 | // information of the current target region. The name will be something like: | ||||
6494 | // | ||||
6495 | // __omp_offloading_DD_FFFF_PP_lBB | ||||
6496 | // | ||||
6497 | // where DD_FFFF is an ID unique to the file (device and file IDs), PP is the | ||||
6498 | // mangled name of the function that encloses the target region and BB is the | ||||
6499 | // line number of the target region. | ||||
6500 | |||||
6501 | unsigned DeviceID; | ||||
6502 | unsigned FileID; | ||||
6503 | unsigned Line; | ||||
6504 | getTargetEntryUniqueInfo(CGM.getContext(), D.getBeginLoc(), DeviceID, FileID, | ||||
6505 | Line); | ||||
6506 | SmallString<64> EntryFnName; | ||||
6507 | { | ||||
6508 | llvm::raw_svector_ostream OS(EntryFnName); | ||||
6509 | OS << "__omp_offloading" << llvm::format("_%x", DeviceID) | ||||
6510 | << llvm::format("_%x_", FileID) << ParentName << "_l" << Line; | ||||
6511 | } | ||||
6512 | |||||
6513 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | ||||
6514 | |||||
6515 | CodeGenFunction CGF(CGM, true); | ||||
6516 | CGOpenMPTargetRegionInfo CGInfo(CS, CodeGen, EntryFnName); | ||||
6517 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
6518 | |||||
6519 | OutlinedFn = CGF.GenerateOpenMPCapturedStmtFunction(CS, D.getBeginLoc()); | ||||
6520 | |||||
6521 | // If this target outline function is not an offload entry, we don't need to | ||||
6522 | // register it. | ||||
6523 | if (!IsOffloadEntry) | ||||
6524 | return; | ||||
6525 | |||||
6526 | // The target region ID is used by the runtime library to identify the current | ||||
6527 | // target region, so it only has to be unique and not necessarily point to | ||||
6528 | // anything. It could be the pointer to the outlined function that implements | ||||
6529 | // the target region, but we aren't using that so that the compiler doesn't | ||||
6530 | // need to keep that, and could therefore inline the host function if proven | ||||
6531 | // worthwhile during optimization. In the other hand, if emitting code for the | ||||
6532 | // device, the ID has to be the function address so that it can retrieved from | ||||
6533 | // the offloading entry and launched by the runtime library. We also mark the | ||||
6534 | // outlined function to have external linkage in case we are emitting code for | ||||
6535 | // the device, because these functions will be entry points to the device. | ||||
6536 | |||||
6537 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
6538 | OutlinedFnID = llvm::ConstantExpr::getBitCast(OutlinedFn, CGM.Int8PtrTy); | ||||
6539 | OutlinedFn->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | ||||
6540 | OutlinedFn->setDSOLocal(false); | ||||
6541 | } else { | ||||
6542 | std::string Name = getName({EntryFnName, "region_id"}); | ||||
6543 | OutlinedFnID = new llvm::GlobalVariable( | ||||
6544 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | ||||
6545 | llvm::GlobalValue::WeakAnyLinkage, | ||||
6546 | llvm::Constant::getNullValue(CGM.Int8Ty), Name); | ||||
6547 | } | ||||
6548 | |||||
6549 | // Register the information for the entry associated with this target region. | ||||
6550 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | ||||
6551 | DeviceID, FileID, ParentName, Line, OutlinedFn, OutlinedFnID, | ||||
6552 | OffloadEntriesInfoManagerTy::OMPTargetRegionEntryTargetRegion); | ||||
6553 | } | ||||
6554 | |||||
6555 | /// Checks if the expression is constant or does not have non-trivial function | ||||
6556 | /// calls. | ||||
6557 | static bool isTrivial(ASTContext &Ctx, const Expr * E) { | ||||
6558 | // We can skip constant expressions. | ||||
6559 | // We can skip expressions with trivial calls or simple expressions. | ||||
6560 | return (E->isEvaluatable(Ctx, Expr::SE_AllowUndefinedBehavior) || | ||||
6561 | !E->hasNonTrivialCall(Ctx)) && | ||||
6562 | !E->HasSideEffects(Ctx, /*IncludePossibleEffects=*/true); | ||||
6563 | } | ||||
6564 | |||||
6565 | const Stmt *CGOpenMPRuntime::getSingleCompoundChild(ASTContext &Ctx, | ||||
6566 | const Stmt *Body) { | ||||
6567 | const Stmt *Child = Body->IgnoreContainers(); | ||||
6568 | while (const auto *C = dyn_cast_or_null<CompoundStmt>(Child)) { | ||||
6569 | Child = nullptr; | ||||
6570 | for (const Stmt *S : C->body()) { | ||||
6571 | if (const auto *E = dyn_cast<Expr>(S)) { | ||||
6572 | if (isTrivial(Ctx, E)) | ||||
6573 | continue; | ||||
6574 | } | ||||
6575 | // Some of the statements can be ignored. | ||||
6576 | if (isa<AsmStmt>(S) || isa<NullStmt>(S) || isa<OMPFlushDirective>(S) || | ||||
6577 | isa<OMPBarrierDirective>(S) || isa<OMPTaskyieldDirective>(S)) | ||||
6578 | continue; | ||||
6579 | // Analyze declarations. | ||||
6580 | if (const auto *DS = dyn_cast<DeclStmt>(S)) { | ||||
6581 | if (llvm::all_of(DS->decls(), [&Ctx](const Decl *D) { | ||||
6582 | if (isa<EmptyDecl>(D) || isa<DeclContext>(D) || | ||||
6583 | isa<TypeDecl>(D) || isa<PragmaCommentDecl>(D) || | ||||
6584 | isa<PragmaDetectMismatchDecl>(D) || isa<UsingDecl>(D) || | ||||
6585 | isa<UsingDirectiveDecl>(D) || | ||||
6586 | isa<OMPDeclareReductionDecl>(D) || | ||||
6587 | isa<OMPThreadPrivateDecl>(D) || isa<OMPAllocateDecl>(D)) | ||||
6588 | return true; | ||||
6589 | const auto *VD = dyn_cast<VarDecl>(D); | ||||
6590 | if (!VD) | ||||
6591 | return false; | ||||
6592 | return VD->isConstexpr() || | ||||
6593 | ((VD->getType().isTrivialType(Ctx) || | ||||
6594 | VD->getType()->isReferenceType()) && | ||||
6595 | (!VD->hasInit() || isTrivial(Ctx, VD->getInit()))); | ||||
6596 | })) | ||||
6597 | continue; | ||||
6598 | } | ||||
6599 | // Found multiple children - cannot get the one child only. | ||||
6600 | if (Child) | ||||
6601 | return nullptr; | ||||
6602 | Child = S; | ||||
6603 | } | ||||
6604 | if (Child) | ||||
6605 | Child = Child->IgnoreContainers(); | ||||
6606 | } | ||||
6607 | return Child; | ||||
6608 | } | ||||
6609 | |||||
6610 | /// Emit the number of teams for a target directive. Inspect the num_teams | ||||
6611 | /// clause associated with a teams construct combined or closely nested | ||||
6612 | /// with the target directive. | ||||
6613 | /// | ||||
6614 | /// Emit a team of size one for directives such as 'target parallel' that | ||||
6615 | /// have no associated teams construct. | ||||
6616 | /// | ||||
6617 | /// Otherwise, return nullptr. | ||||
6618 | static llvm::Value * | ||||
6619 | emitNumTeamsForTargetDirective(CodeGenFunction &CGF, | ||||
6620 | const OMPExecutableDirective &D) { | ||||
6621 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6623, __PRETTY_FUNCTION__)) | ||||
6622 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6623, __PRETTY_FUNCTION__)) | ||||
6623 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6623, __PRETTY_FUNCTION__)); | ||||
6624 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||
6625 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6626, __PRETTY_FUNCTION__)) | ||||
6626 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6626, __PRETTY_FUNCTION__)); | ||||
6627 | CGBuilderTy &Bld = CGF.Builder; | ||||
6628 | switch (DirectiveKind) { | ||||
6629 | case OMPD_target: { | ||||
6630 | const auto *CS = D.getInnermostCapturedStmt(); | ||||
6631 | const auto *Body = | ||||
6632 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||
6633 | const Stmt *ChildStmt = | ||||
6634 | CGOpenMPRuntime::getSingleCompoundChild(CGF.getContext(), Body); | ||||
6635 | if (const auto *NestedDir = | ||||
6636 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||
6637 | if (isOpenMPTeamsDirective(NestedDir->getDirectiveKind())) { | ||||
6638 | if (NestedDir->hasClausesOfKind<OMPNumTeamsClause>()) { | ||||
6639 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||
6640 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
6641 | const Expr *NumTeams = | ||||
6642 | NestedDir->getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | ||||
6643 | llvm::Value *NumTeamsVal = | ||||
6644 | CGF.EmitScalarExpr(NumTeams, | ||||
6645 | /*IgnoreResultAssign*/ true); | ||||
6646 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | ||||
6647 | /*isSigned=*/true); | ||||
6648 | } | ||||
6649 | return Bld.getInt32(0); | ||||
6650 | } | ||||
6651 | if (isOpenMPParallelDirective(NestedDir->getDirectiveKind()) || | ||||
6652 | isOpenMPSimdDirective(NestedDir->getDirectiveKind())) | ||||
6653 | return Bld.getInt32(1); | ||||
6654 | return Bld.getInt32(0); | ||||
6655 | } | ||||
6656 | return nullptr; | ||||
6657 | } | ||||
6658 | case OMPD_target_teams: | ||||
6659 | case OMPD_target_teams_distribute: | ||||
6660 | case OMPD_target_teams_distribute_simd: | ||||
6661 | case OMPD_target_teams_distribute_parallel_for: | ||||
6662 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||
6663 | if (D.hasClausesOfKind<OMPNumTeamsClause>()) { | ||||
6664 | CodeGenFunction::RunCleanupsScope NumTeamsScope(CGF); | ||||
6665 | const Expr *NumTeams = | ||||
6666 | D.getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | ||||
6667 | llvm::Value *NumTeamsVal = | ||||
6668 | CGF.EmitScalarExpr(NumTeams, | ||||
6669 | /*IgnoreResultAssign*/ true); | ||||
6670 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | ||||
6671 | /*isSigned=*/true); | ||||
6672 | } | ||||
6673 | return Bld.getInt32(0); | ||||
6674 | } | ||||
6675 | case OMPD_target_parallel: | ||||
6676 | case OMPD_target_parallel_for: | ||||
6677 | case OMPD_target_parallel_for_simd: | ||||
6678 | case OMPD_target_simd: | ||||
6679 | return Bld.getInt32(1); | ||||
6680 | case OMPD_parallel: | ||||
6681 | case OMPD_for: | ||||
6682 | case OMPD_parallel_for: | ||||
6683 | case OMPD_parallel_master: | ||||
6684 | case OMPD_parallel_sections: | ||||
6685 | case OMPD_for_simd: | ||||
6686 | case OMPD_parallel_for_simd: | ||||
6687 | case OMPD_cancel: | ||||
6688 | case OMPD_cancellation_point: | ||||
6689 | case OMPD_ordered: | ||||
6690 | case OMPD_threadprivate: | ||||
6691 | case OMPD_allocate: | ||||
6692 | case OMPD_task: | ||||
6693 | case OMPD_simd: | ||||
6694 | case OMPD_sections: | ||||
6695 | case OMPD_section: | ||||
6696 | case OMPD_single: | ||||
6697 | case OMPD_master: | ||||
6698 | case OMPD_critical: | ||||
6699 | case OMPD_taskyield: | ||||
6700 | case OMPD_barrier: | ||||
6701 | case OMPD_taskwait: | ||||
6702 | case OMPD_taskgroup: | ||||
6703 | case OMPD_atomic: | ||||
6704 | case OMPD_flush: | ||||
6705 | case OMPD_teams: | ||||
6706 | case OMPD_target_data: | ||||
6707 | case OMPD_target_exit_data: | ||||
6708 | case OMPD_target_enter_data: | ||||
6709 | case OMPD_distribute: | ||||
6710 | case OMPD_distribute_simd: | ||||
6711 | case OMPD_distribute_parallel_for: | ||||
6712 | case OMPD_distribute_parallel_for_simd: | ||||
6713 | case OMPD_teams_distribute: | ||||
6714 | case OMPD_teams_distribute_simd: | ||||
6715 | case OMPD_teams_distribute_parallel_for: | ||||
6716 | case OMPD_teams_distribute_parallel_for_simd: | ||||
6717 | case OMPD_target_update: | ||||
6718 | case OMPD_declare_simd: | ||||
6719 | case OMPD_declare_variant: | ||||
6720 | case OMPD_declare_target: | ||||
6721 | case OMPD_end_declare_target: | ||||
6722 | case OMPD_declare_reduction: | ||||
6723 | case OMPD_declare_mapper: | ||||
6724 | case OMPD_taskloop: | ||||
6725 | case OMPD_taskloop_simd: | ||||
6726 | case OMPD_master_taskloop: | ||||
6727 | case OMPD_master_taskloop_simd: | ||||
6728 | case OMPD_parallel_master_taskloop: | ||||
6729 | case OMPD_parallel_master_taskloop_simd: | ||||
6730 | case OMPD_requires: | ||||
6731 | case OMPD_unknown: | ||||
6732 | break; | ||||
6733 | } | ||||
6734 | llvm_unreachable("Unexpected directive kind.")::llvm::llvm_unreachable_internal("Unexpected directive kind." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6734); | ||||
6735 | } | ||||
6736 | |||||
6737 | static llvm::Value *getNumThreads(CodeGenFunction &CGF, const CapturedStmt *CS, | ||||
6738 | llvm::Value *DefaultThreadLimitVal) { | ||||
6739 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||
6740 | CGF.getContext(), CS->getCapturedStmt()); | ||||
6741 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||
6742 | if (isOpenMPParallelDirective(Dir->getDirectiveKind())) { | ||||
6743 | llvm::Value *NumThreads = nullptr; | ||||
6744 | llvm::Value *CondVal = nullptr; | ||||
6745 | // Handle if clause. If if clause present, the number of threads is | ||||
6746 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | ||||
6747 | if (Dir->hasClausesOfKind<OMPIfClause>()) { | ||||
6748 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||
6749 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
6750 | const OMPIfClause *IfClause = nullptr; | ||||
6751 | for (const auto *C : Dir->getClausesOfKind<OMPIfClause>()) { | ||||
6752 | if (C->getNameModifier() == OMPD_unknown || | ||||
6753 | C->getNameModifier() == OMPD_parallel) { | ||||
6754 | IfClause = C; | ||||
6755 | break; | ||||
6756 | } | ||||
6757 | } | ||||
6758 | if (IfClause) { | ||||
6759 | const Expr *Cond = IfClause->getCondition(); | ||||
6760 | bool Result; | ||||
6761 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | ||||
6762 | if (!Result) | ||||
6763 | return CGF.Builder.getInt32(1); | ||||
6764 | } else { | ||||
6765 | CodeGenFunction::LexicalScope Scope(CGF, Cond->getSourceRange()); | ||||
6766 | if (const auto *PreInit = | ||||
6767 | cast_or_null<DeclStmt>(IfClause->getPreInitStmt())) { | ||||
6768 | for (const auto *I : PreInit->decls()) { | ||||
6769 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
6770 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||
6771 | } else { | ||||
6772 | CodeGenFunction::AutoVarEmission Emission = | ||||
6773 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||
6774 | CGF.EmitAutoVarCleanups(Emission); | ||||
6775 | } | ||||
6776 | } | ||||
6777 | } | ||||
6778 | CondVal = CGF.EvaluateExprAsBool(Cond); | ||||
6779 | } | ||||
6780 | } | ||||
6781 | } | ||||
6782 | // Check the value of num_threads clause iff if clause was not specified | ||||
6783 | // or is not evaluated to false. | ||||
6784 | if (Dir->hasClausesOfKind<OMPNumThreadsClause>()) { | ||||
6785 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||
6786 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
6787 | const auto *NumThreadsClause = | ||||
6788 | Dir->getSingleClause<OMPNumThreadsClause>(); | ||||
6789 | CodeGenFunction::LexicalScope Scope( | ||||
6790 | CGF, NumThreadsClause->getNumThreads()->getSourceRange()); | ||||
6791 | if (const auto *PreInit = | ||||
6792 | cast_or_null<DeclStmt>(NumThreadsClause->getPreInitStmt())) { | ||||
6793 | for (const auto *I : PreInit->decls()) { | ||||
6794 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
6795 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||
6796 | } else { | ||||
6797 | CodeGenFunction::AutoVarEmission Emission = | ||||
6798 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||
6799 | CGF.EmitAutoVarCleanups(Emission); | ||||
6800 | } | ||||
6801 | } | ||||
6802 | } | ||||
6803 | NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads()); | ||||
6804 | NumThreads = CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, | ||||
6805 | /*isSigned=*/false); | ||||
6806 | if (DefaultThreadLimitVal) | ||||
6807 | NumThreads = CGF.Builder.CreateSelect( | ||||
6808 | CGF.Builder.CreateICmpULT(DefaultThreadLimitVal, NumThreads), | ||||
6809 | DefaultThreadLimitVal, NumThreads); | ||||
6810 | } else { | ||||
6811 | NumThreads = DefaultThreadLimitVal ? DefaultThreadLimitVal | ||||
6812 | : CGF.Builder.getInt32(0); | ||||
6813 | } | ||||
6814 | // Process condition of the if clause. | ||||
6815 | if (CondVal) { | ||||
6816 | NumThreads = CGF.Builder.CreateSelect(CondVal, NumThreads, | ||||
6817 | CGF.Builder.getInt32(1)); | ||||
6818 | } | ||||
6819 | return NumThreads; | ||||
6820 | } | ||||
6821 | if (isOpenMPSimdDirective(Dir->getDirectiveKind())) | ||||
6822 | return CGF.Builder.getInt32(1); | ||||
6823 | return DefaultThreadLimitVal; | ||||
6824 | } | ||||
6825 | return DefaultThreadLimitVal ? DefaultThreadLimitVal | ||||
6826 | : CGF.Builder.getInt32(0); | ||||
6827 | } | ||||
6828 | |||||
6829 | /// Emit the number of threads for a target directive. Inspect the | ||||
6830 | /// thread_limit clause associated with a teams construct combined or closely | ||||
6831 | /// nested with the target directive. | ||||
6832 | /// | ||||
6833 | /// Emit the num_threads clause for directives such as 'target parallel' that | ||||
6834 | /// have no associated teams construct. | ||||
6835 | /// | ||||
6836 | /// Otherwise, return nullptr. | ||||
6837 | static llvm::Value * | ||||
6838 | emitNumThreadsForTargetDirective(CodeGenFunction &CGF, | ||||
6839 | const OMPExecutableDirective &D) { | ||||
6840 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6842, __PRETTY_FUNCTION__)) | ||||
6841 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6842, __PRETTY_FUNCTION__)) | ||||
6842 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6842, __PRETTY_FUNCTION__)); | ||||
6843 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | ||||
6844 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6845, __PRETTY_FUNCTION__)) | ||||
6845 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6845, __PRETTY_FUNCTION__)); | ||||
6846 | CGBuilderTy &Bld = CGF.Builder; | ||||
6847 | llvm::Value *ThreadLimitVal = nullptr; | ||||
6848 | llvm::Value *NumThreadsVal = nullptr; | ||||
6849 | switch (DirectiveKind) { | ||||
6850 | case OMPD_target: { | ||||
6851 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | ||||
6852 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||
6853 | return NumThreads; | ||||
6854 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||
6855 | CGF.getContext(), CS->getCapturedStmt()); | ||||
6856 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||
6857 | if (Dir->hasClausesOfKind<OMPThreadLimitClause>()) { | ||||
6858 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | ||||
6859 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | ||||
6860 | const auto *ThreadLimitClause = | ||||
6861 | Dir->getSingleClause<OMPThreadLimitClause>(); | ||||
6862 | CodeGenFunction::LexicalScope Scope( | ||||
6863 | CGF, ThreadLimitClause->getThreadLimit()->getSourceRange()); | ||||
6864 | if (const auto *PreInit = | ||||
6865 | cast_or_null<DeclStmt>(ThreadLimitClause->getPreInitStmt())) { | ||||
6866 | for (const auto *I : PreInit->decls()) { | ||||
6867 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
6868 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | ||||
6869 | } else { | ||||
6870 | CodeGenFunction::AutoVarEmission Emission = | ||||
6871 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | ||||
6872 | CGF.EmitAutoVarCleanups(Emission); | ||||
6873 | } | ||||
6874 | } | ||||
6875 | } | ||||
6876 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||
6877 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||
6878 | ThreadLimitVal = | ||||
6879 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||
6880 | } | ||||
6881 | if (isOpenMPTeamsDirective(Dir->getDirectiveKind()) && | ||||
6882 | !isOpenMPDistributeDirective(Dir->getDirectiveKind())) { | ||||
6883 | CS = Dir->getInnermostCapturedStmt(); | ||||
6884 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||
6885 | CGF.getContext(), CS->getCapturedStmt()); | ||||
6886 | Dir = dyn_cast_or_null<OMPExecutableDirective>(Child); | ||||
6887 | } | ||||
6888 | if (Dir && isOpenMPDistributeDirective(Dir->getDirectiveKind()) && | ||||
6889 | !isOpenMPSimdDirective(Dir->getDirectiveKind())) { | ||||
6890 | CS = Dir->getInnermostCapturedStmt(); | ||||
6891 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||
6892 | return NumThreads; | ||||
6893 | } | ||||
6894 | if (Dir && isOpenMPSimdDirective(Dir->getDirectiveKind())) | ||||
6895 | return Bld.getInt32(1); | ||||
6896 | } | ||||
6897 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | ||||
6898 | } | ||||
6899 | case OMPD_target_teams: { | ||||
6900 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||
6901 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||
6902 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||
6903 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||
6904 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||
6905 | ThreadLimitVal = | ||||
6906 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||
6907 | } | ||||
6908 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | ||||
6909 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||
6910 | return NumThreads; | ||||
6911 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | ||||
6912 | CGF.getContext(), CS->getCapturedStmt()); | ||||
6913 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | ||||
6914 | if (Dir->getDirectiveKind() == OMPD_distribute) { | ||||
6915 | CS = Dir->getInnermostCapturedStmt(); | ||||
6916 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | ||||
6917 | return NumThreads; | ||||
6918 | } | ||||
6919 | } | ||||
6920 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | ||||
6921 | } | ||||
6922 | case OMPD_target_teams_distribute: | ||||
6923 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||
6924 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||
6925 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||
6926 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||
6927 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||
6928 | ThreadLimitVal = | ||||
6929 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||
6930 | } | ||||
6931 | return getNumThreads(CGF, D.getInnermostCapturedStmt(), ThreadLimitVal); | ||||
6932 | case OMPD_target_parallel: | ||||
6933 | case OMPD_target_parallel_for: | ||||
6934 | case OMPD_target_parallel_for_simd: | ||||
6935 | case OMPD_target_teams_distribute_parallel_for: | ||||
6936 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||
6937 | llvm::Value *CondVal = nullptr; | ||||
6938 | // Handle if clause. If if clause present, the number of threads is | ||||
6939 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | ||||
6940 | if (D.hasClausesOfKind<OMPIfClause>()) { | ||||
6941 | const OMPIfClause *IfClause = nullptr; | ||||
6942 | for (const auto *C : D.getClausesOfKind<OMPIfClause>()) { | ||||
6943 | if (C->getNameModifier() == OMPD_unknown || | ||||
6944 | C->getNameModifier() == OMPD_parallel) { | ||||
6945 | IfClause = C; | ||||
6946 | break; | ||||
6947 | } | ||||
6948 | } | ||||
6949 | if (IfClause) { | ||||
6950 | const Expr *Cond = IfClause->getCondition(); | ||||
6951 | bool Result; | ||||
6952 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | ||||
6953 | if (!Result) | ||||
6954 | return Bld.getInt32(1); | ||||
6955 | } else { | ||||
6956 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||
6957 | CondVal = CGF.EvaluateExprAsBool(Cond); | ||||
6958 | } | ||||
6959 | } | ||||
6960 | } | ||||
6961 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | ||||
6962 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | ||||
6963 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | ||||
6964 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | ||||
6965 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | ||||
6966 | ThreadLimitVal = | ||||
6967 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | ||||
6968 | } | ||||
6969 | if (D.hasClausesOfKind<OMPNumThreadsClause>()) { | ||||
6970 | CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF); | ||||
6971 | const auto *NumThreadsClause = D.getSingleClause<OMPNumThreadsClause>(); | ||||
6972 | llvm::Value *NumThreads = CGF.EmitScalarExpr( | ||||
6973 | NumThreadsClause->getNumThreads(), /*IgnoreResultAssign=*/true); | ||||
6974 | NumThreadsVal = | ||||
6975 | Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned=*/false); | ||||
6976 | ThreadLimitVal = ThreadLimitVal | ||||
6977 | ? Bld.CreateSelect(Bld.CreateICmpULT(NumThreadsVal, | ||||
6978 | ThreadLimitVal), | ||||
6979 | NumThreadsVal, ThreadLimitVal) | ||||
6980 | : NumThreadsVal; | ||||
6981 | } | ||||
6982 | if (!ThreadLimitVal) | ||||
6983 | ThreadLimitVal = Bld.getInt32(0); | ||||
6984 | if (CondVal) | ||||
6985 | return Bld.CreateSelect(CondVal, ThreadLimitVal, Bld.getInt32(1)); | ||||
6986 | return ThreadLimitVal; | ||||
6987 | } | ||||
6988 | case OMPD_target_teams_distribute_simd: | ||||
6989 | case OMPD_target_simd: | ||||
6990 | return Bld.getInt32(1); | ||||
6991 | case OMPD_parallel: | ||||
6992 | case OMPD_for: | ||||
6993 | case OMPD_parallel_for: | ||||
6994 | case OMPD_parallel_master: | ||||
6995 | case OMPD_parallel_sections: | ||||
6996 | case OMPD_for_simd: | ||||
6997 | case OMPD_parallel_for_simd: | ||||
6998 | case OMPD_cancel: | ||||
6999 | case OMPD_cancellation_point: | ||||
7000 | case OMPD_ordered: | ||||
7001 | case OMPD_threadprivate: | ||||
7002 | case OMPD_allocate: | ||||
7003 | case OMPD_task: | ||||
7004 | case OMPD_simd: | ||||
7005 | case OMPD_sections: | ||||
7006 | case OMPD_section: | ||||
7007 | case OMPD_single: | ||||
7008 | case OMPD_master: | ||||
7009 | case OMPD_critical: | ||||
7010 | case OMPD_taskyield: | ||||
7011 | case OMPD_barrier: | ||||
7012 | case OMPD_taskwait: | ||||
7013 | case OMPD_taskgroup: | ||||
7014 | case OMPD_atomic: | ||||
7015 | case OMPD_flush: | ||||
7016 | case OMPD_teams: | ||||
7017 | case OMPD_target_data: | ||||
7018 | case OMPD_target_exit_data: | ||||
7019 | case OMPD_target_enter_data: | ||||
7020 | case OMPD_distribute: | ||||
7021 | case OMPD_distribute_simd: | ||||
7022 | case OMPD_distribute_parallel_for: | ||||
7023 | case OMPD_distribute_parallel_for_simd: | ||||
7024 | case OMPD_teams_distribute: | ||||
7025 | case OMPD_teams_distribute_simd: | ||||
7026 | case OMPD_teams_distribute_parallel_for: | ||||
7027 | case OMPD_teams_distribute_parallel_for_simd: | ||||
7028 | case OMPD_target_update: | ||||
7029 | case OMPD_declare_simd: | ||||
7030 | case OMPD_declare_variant: | ||||
7031 | case OMPD_declare_target: | ||||
7032 | case OMPD_end_declare_target: | ||||
7033 | case OMPD_declare_reduction: | ||||
7034 | case OMPD_declare_mapper: | ||||
7035 | case OMPD_taskloop: | ||||
7036 | case OMPD_taskloop_simd: | ||||
7037 | case OMPD_master_taskloop: | ||||
7038 | case OMPD_master_taskloop_simd: | ||||
7039 | case OMPD_parallel_master_taskloop: | ||||
7040 | case OMPD_parallel_master_taskloop_simd: | ||||
7041 | case OMPD_requires: | ||||
7042 | case OMPD_unknown: | ||||
7043 | break; | ||||
7044 | } | ||||
7045 | llvm_unreachable("Unsupported directive kind.")::llvm::llvm_unreachable_internal("Unsupported directive kind." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7045); | ||||
7046 | } | ||||
7047 | |||||
7048 | namespace { | ||||
7049 | 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^=; | ||||
7050 | |||||
7051 | // Utility to handle information from clauses associated with a given | ||||
7052 | // construct that use mappable expressions (e.g. 'map' clause, 'to' clause). | ||||
7053 | // It provides a convenient interface to obtain the information and generate | ||||
7054 | // code for that information. | ||||
7055 | class MappableExprsHandler { | ||||
7056 | public: | ||||
7057 | /// Values for bit flags used to specify the mapping type for | ||||
7058 | /// offloading. | ||||
7059 | enum OpenMPOffloadMappingFlags : uint64_t { | ||||
7060 | /// No flags | ||||
7061 | OMP_MAP_NONE = 0x0, | ||||
7062 | /// Allocate memory on the device and move data from host to device. | ||||
7063 | OMP_MAP_TO = 0x01, | ||||
7064 | /// Allocate memory on the device and move data from device to host. | ||||
7065 | OMP_MAP_FROM = 0x02, | ||||
7066 | /// Always perform the requested mapping action on the element, even | ||||
7067 | /// if it was already mapped before. | ||||
7068 | OMP_MAP_ALWAYS = 0x04, | ||||
7069 | /// Delete the element from the device environment, ignoring the | ||||
7070 | /// current reference count associated with the element. | ||||
7071 | OMP_MAP_DELETE = 0x08, | ||||
7072 | /// The element being mapped is a pointer-pointee pair; both the | ||||
7073 | /// pointer and the pointee should be mapped. | ||||
7074 | OMP_MAP_PTR_AND_OBJ = 0x10, | ||||
7075 | /// This flags signals that the base address of an entry should be | ||||
7076 | /// passed to the target kernel as an argument. | ||||
7077 | OMP_MAP_TARGET_PARAM = 0x20, | ||||
7078 | /// Signal that the runtime library has to return the device pointer | ||||
7079 | /// in the current position for the data being mapped. Used when we have the | ||||
7080 | /// use_device_ptr clause. | ||||
7081 | OMP_MAP_RETURN_PARAM = 0x40, | ||||
7082 | /// This flag signals that the reference being passed is a pointer to | ||||
7083 | /// private data. | ||||
7084 | OMP_MAP_PRIVATE = 0x80, | ||||
7085 | /// Pass the element to the device by value. | ||||
7086 | OMP_MAP_LITERAL = 0x100, | ||||
7087 | /// Implicit map | ||||
7088 | OMP_MAP_IMPLICIT = 0x200, | ||||
7089 | /// Close is a hint to the runtime to allocate memory close to | ||||
7090 | /// the target device. | ||||
7091 | OMP_MAP_CLOSE = 0x400, | ||||
7092 | /// The 16 MSBs of the flags indicate whether the entry is member of some | ||||
7093 | /// struct/class. | ||||
7094 | OMP_MAP_MEMBER_OF = 0xffff000000000000, | ||||
7095 | LLVM_MARK_AS_BITMASK_ENUM(/* LargestFlag = */ OMP_MAP_MEMBER_OF)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_MAP_MEMBER_OF, | ||||
7096 | }; | ||||
7097 | |||||
7098 | /// Get the offset of the OMP_MAP_MEMBER_OF field. | ||||
7099 | static unsigned getFlagMemberOffset() { | ||||
7100 | unsigned Offset = 0; | ||||
7101 | for (uint64_t Remain = OMP_MAP_MEMBER_OF; !(Remain & 1); | ||||
7102 | Remain = Remain >> 1) | ||||
7103 | Offset++; | ||||
7104 | return Offset; | ||||
7105 | } | ||||
7106 | |||||
7107 | /// Class that associates information with a base pointer to be passed to the | ||||
7108 | /// runtime library. | ||||
7109 | class BasePointerInfo { | ||||
7110 | /// The base pointer. | ||||
7111 | llvm::Value *Ptr = nullptr; | ||||
7112 | /// The base declaration that refers to this device pointer, or null if | ||||
7113 | /// there is none. | ||||
7114 | const ValueDecl *DevPtrDecl = nullptr; | ||||
7115 | |||||
7116 | public: | ||||
7117 | BasePointerInfo(llvm::Value *Ptr, const ValueDecl *DevPtrDecl = nullptr) | ||||
7118 | : Ptr(Ptr), DevPtrDecl(DevPtrDecl) {} | ||||
7119 | llvm::Value *operator*() const { return Ptr; } | ||||
7120 | const ValueDecl *getDevicePtrDecl() const { return DevPtrDecl; } | ||||
7121 | void setDevicePtrDecl(const ValueDecl *D) { DevPtrDecl = D; } | ||||
7122 | }; | ||||
7123 | |||||
7124 | using MapBaseValuesArrayTy = SmallVector<BasePointerInfo, 4>; | ||||
7125 | using MapValuesArrayTy = SmallVector<llvm::Value *, 4>; | ||||
7126 | using MapFlagsArrayTy = SmallVector<OpenMPOffloadMappingFlags, 4>; | ||||
7127 | |||||
7128 | /// Map between a struct and the its lowest & highest elements which have been | ||||
7129 | /// mapped. | ||||
7130 | /// [ValueDecl *] --> {LE(FieldIndex, Pointer), | ||||
7131 | /// HE(FieldIndex, Pointer)} | ||||
7132 | struct StructRangeInfoTy { | ||||
7133 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> LowestElem = { | ||||
7134 | 0, Address::invalid()}; | ||||
7135 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> HighestElem = { | ||||
7136 | 0, Address::invalid()}; | ||||
7137 | Address Base = Address::invalid(); | ||||
7138 | }; | ||||
7139 | |||||
7140 | private: | ||||
7141 | /// Kind that defines how a device pointer has to be returned. | ||||
7142 | struct MapInfo { | ||||
7143 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||
7144 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown; | ||||
7145 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||
7146 | bool ReturnDevicePointer = false; | ||||
7147 | bool IsImplicit = false; | ||||
7148 | |||||
7149 | MapInfo() = default; | ||||
7150 | MapInfo( | ||||
7151 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||
7152 | OpenMPMapClauseKind MapType, | ||||
7153 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||
7154 | bool ReturnDevicePointer, bool IsImplicit) | ||||
7155 | : Components(Components), MapType(MapType), MapModifiers(MapModifiers), | ||||
7156 | ReturnDevicePointer(ReturnDevicePointer), IsImplicit(IsImplicit) {} | ||||
7157 | }; | ||||
7158 | |||||
7159 | /// If use_device_ptr is used on a pointer which is a struct member and there | ||||
7160 | /// is no map information about it, then emission of that entry is deferred | ||||
7161 | /// until the whole struct has been processed. | ||||
7162 | struct DeferredDevicePtrEntryTy { | ||||
7163 | const Expr *IE = nullptr; | ||||
7164 | const ValueDecl *VD = nullptr; | ||||
7165 | |||||
7166 | DeferredDevicePtrEntryTy(const Expr *IE, const ValueDecl *VD) | ||||
7167 | : IE(IE), VD(VD) {} | ||||
7168 | }; | ||||
7169 | |||||
7170 | /// The target directive from where the mappable clauses were extracted. It | ||||
7171 | /// is either a executable directive or a user-defined mapper directive. | ||||
7172 | llvm::PointerUnion<const OMPExecutableDirective *, | ||||
7173 | const OMPDeclareMapperDecl *> | ||||
7174 | CurDir; | ||||
7175 | |||||
7176 | /// Function the directive is being generated for. | ||||
7177 | CodeGenFunction &CGF; | ||||
7178 | |||||
7179 | /// Set of all first private variables in the current directive. | ||||
7180 | /// bool data is set to true if the variable is implicitly marked as | ||||
7181 | /// firstprivate, false otherwise. | ||||
7182 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, bool> FirstPrivateDecls; | ||||
7183 | |||||
7184 | /// Map between device pointer declarations and their expression components. | ||||
7185 | /// The key value for declarations in 'this' is null. | ||||
7186 | llvm::DenseMap< | ||||
7187 | const ValueDecl *, | ||||
7188 | SmallVector<OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>> | ||||
7189 | DevPointersMap; | ||||
7190 | |||||
7191 | llvm::Value *getExprTypeSize(const Expr *E) const { | ||||
7192 | QualType ExprTy = E->getType().getCanonicalType(); | ||||
7193 | |||||
7194 | // Reference types are ignored for mapping purposes. | ||||
7195 | if (const auto *RefTy = ExprTy->getAs<ReferenceType>()) | ||||
7196 | ExprTy = RefTy->getPointeeType().getCanonicalType(); | ||||
7197 | |||||
7198 | // Given that an array section is considered a built-in type, we need to | ||||
7199 | // do the calculation based on the length of the section instead of relying | ||||
7200 | // on CGF.getTypeSize(E->getType()). | ||||
7201 | if (const auto *OAE = dyn_cast<OMPArraySectionExpr>(E)) { | ||||
7202 | QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType( | ||||
7203 | OAE->getBase()->IgnoreParenImpCasts()) | ||||
7204 | .getCanonicalType(); | ||||
7205 | |||||
7206 | // If there is no length associated with the expression and lower bound is | ||||
7207 | // not specified too, that means we are using the whole length of the | ||||
7208 | // base. | ||||
7209 | if (!OAE->getLength() && OAE->getColonLoc().isValid() && | ||||
7210 | !OAE->getLowerBound()) | ||||
7211 | return CGF.getTypeSize(BaseTy); | ||||
7212 | |||||
7213 | llvm::Value *ElemSize; | ||||
7214 | if (const auto *PTy = BaseTy->getAs<PointerType>()) { | ||||
7215 | ElemSize = CGF.getTypeSize(PTy->getPointeeType().getCanonicalType()); | ||||
7216 | } else { | ||||
7217 | const auto *ATy = cast<ArrayType>(BaseTy.getTypePtr()); | ||||
7218 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7218, __PRETTY_FUNCTION__)); | ||||
7219 | ElemSize = CGF.getTypeSize(ATy->getElementType().getCanonicalType()); | ||||
7220 | } | ||||
7221 | |||||
7222 | // If we don't have a length at this point, that is because we have an | ||||
7223 | // array section with a single element. | ||||
7224 | if (!OAE->getLength() && OAE->getColonLoc().isInvalid()) | ||||
7225 | return ElemSize; | ||||
7226 | |||||
7227 | if (const Expr *LenExpr = OAE->getLength()) { | ||||
7228 | llvm::Value *LengthVal = CGF.EmitScalarExpr(LenExpr); | ||||
7229 | LengthVal = CGF.EmitScalarConversion(LengthVal, LenExpr->getType(), | ||||
7230 | CGF.getContext().getSizeType(), | ||||
7231 | LenExpr->getExprLoc()); | ||||
7232 | return CGF.Builder.CreateNUWMul(LengthVal, ElemSize); | ||||
7233 | } | ||||
7234 | assert(!OAE->getLength() && OAE->getColonLoc().isValid() &&((!OAE->getLength() && OAE->getColonLoc().isValid () && OAE->getLowerBound() && "expected array_section[lb:]." ) ? static_cast<void> (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLoc().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7235, __PRETTY_FUNCTION__)) | ||||
7235 | OAE->getLowerBound() && "expected array_section[lb:].")((!OAE->getLength() && OAE->getColonLoc().isValid () && OAE->getLowerBound() && "expected array_section[lb:]." ) ? static_cast<void> (0) : __assert_fail ("!OAE->getLength() && OAE->getColonLoc().isValid() && OAE->getLowerBound() && \"expected array_section[lb:].\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7235, __PRETTY_FUNCTION__)); | ||||
7236 | // Size = sizetype - lb * elemtype; | ||||
7237 | llvm::Value *LengthVal = CGF.getTypeSize(BaseTy); | ||||
7238 | llvm::Value *LBVal = CGF.EmitScalarExpr(OAE->getLowerBound()); | ||||
7239 | LBVal = CGF.EmitScalarConversion(LBVal, OAE->getLowerBound()->getType(), | ||||
7240 | CGF.getContext().getSizeType(), | ||||
7241 | OAE->getLowerBound()->getExprLoc()); | ||||
7242 | LBVal = CGF.Builder.CreateNUWMul(LBVal, ElemSize); | ||||
7243 | llvm::Value *Cmp = CGF.Builder.CreateICmpUGT(LengthVal, LBVal); | ||||
7244 | llvm::Value *TrueVal = CGF.Builder.CreateNUWSub(LengthVal, LBVal); | ||||
7245 | LengthVal = CGF.Builder.CreateSelect( | ||||
7246 | Cmp, TrueVal, llvm::ConstantInt::get(CGF.SizeTy, 0)); | ||||
7247 | return LengthVal; | ||||
7248 | } | ||||
7249 | return CGF.getTypeSize(ExprTy); | ||||
7250 | } | ||||
7251 | |||||
7252 | /// Return the corresponding bits for a given map clause modifier. Add | ||||
7253 | /// a flag marking the map as a pointer if requested. Add a flag marking the | ||||
7254 | /// map as the first one of a series of maps that relate to the same map | ||||
7255 | /// expression. | ||||
7256 | OpenMPOffloadMappingFlags getMapTypeBits( | ||||
7257 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||
7258 | bool IsImplicit, bool AddPtrFlag, bool AddIsTargetParamFlag) const { | ||||
7259 | OpenMPOffloadMappingFlags Bits = | ||||
7260 | IsImplicit ? OMP_MAP_IMPLICIT : OMP_MAP_NONE; | ||||
7261 | switch (MapType) { | ||||
7262 | case OMPC_MAP_alloc: | ||||
7263 | case OMPC_MAP_release: | ||||
7264 | // alloc and release is the default behavior in the runtime library, i.e. | ||||
7265 | // if we don't pass any bits alloc/release that is what the runtime is | ||||
7266 | // going to do. Therefore, we don't need to signal anything for these two | ||||
7267 | // type modifiers. | ||||
7268 | break; | ||||
7269 | case OMPC_MAP_to: | ||||
7270 | Bits |= OMP_MAP_TO; | ||||
7271 | break; | ||||
7272 | case OMPC_MAP_from: | ||||
7273 | Bits |= OMP_MAP_FROM; | ||||
7274 | break; | ||||
7275 | case OMPC_MAP_tofrom: | ||||
7276 | Bits |= OMP_MAP_TO | OMP_MAP_FROM; | ||||
7277 | break; | ||||
7278 | case OMPC_MAP_delete: | ||||
7279 | Bits |= OMP_MAP_DELETE; | ||||
7280 | break; | ||||
7281 | case OMPC_MAP_unknown: | ||||
7282 | llvm_unreachable("Unexpected map type!")::llvm::llvm_unreachable_internal("Unexpected map type!", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7282); | ||||
7283 | } | ||||
7284 | if (AddPtrFlag) | ||||
7285 | Bits |= OMP_MAP_PTR_AND_OBJ; | ||||
7286 | if (AddIsTargetParamFlag) | ||||
7287 | Bits |= OMP_MAP_TARGET_PARAM; | ||||
7288 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_always) | ||||
7289 | != MapModifiers.end()) | ||||
7290 | Bits |= OMP_MAP_ALWAYS; | ||||
7291 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_close) | ||||
7292 | != MapModifiers.end()) | ||||
7293 | Bits |= OMP_MAP_CLOSE; | ||||
7294 | return Bits; | ||||
7295 | } | ||||
7296 | |||||
7297 | /// Return true if the provided expression is a final array section. A | ||||
7298 | /// final array section, is one whose length can't be proved to be one. | ||||
7299 | bool isFinalArraySectionExpression(const Expr *E) const { | ||||
7300 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||
7301 | |||||
7302 | // It is not an array section and therefore not a unity-size one. | ||||
7303 | if (!OASE) | ||||
7304 | return false; | ||||
7305 | |||||
7306 | // An array section with no colon always refer to a single element. | ||||
7307 | if (OASE->getColonLoc().isInvalid()) | ||||
7308 | return false; | ||||
7309 | |||||
7310 | const Expr *Length = OASE->getLength(); | ||||
7311 | |||||
7312 | // If we don't have a length we have to check if the array has size 1 | ||||
7313 | // for this dimension. Also, we should always expect a length if the | ||||
7314 | // base type is pointer. | ||||
7315 | if (!Length) { | ||||
7316 | QualType BaseQTy = OMPArraySectionExpr::getBaseOriginalType( | ||||
7317 | OASE->getBase()->IgnoreParenImpCasts()) | ||||
7318 | .getCanonicalType(); | ||||
7319 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||
7320 | return ATy->getSize().getSExtValue() != 1; | ||||
7321 | // If we don't have a constant dimension length, we have to consider | ||||
7322 | // the current section as having any size, so it is not necessarily | ||||
7323 | // unitary. If it happen to be unity size, that's user fault. | ||||
7324 | return true; | ||||
7325 | } | ||||
7326 | |||||
7327 | // Check if the length evaluates to 1. | ||||
7328 | Expr::EvalResult Result; | ||||
7329 | if (!Length->EvaluateAsInt(Result, CGF.getContext())) | ||||
7330 | return true; // Can have more that size 1. | ||||
7331 | |||||
7332 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||
7333 | return ConstLength.getSExtValue() != 1; | ||||
7334 | } | ||||
7335 | |||||
7336 | /// Generate the base pointers, section pointers, sizes and map type | ||||
7337 | /// bits for the provided map type, map modifier, and expression components. | ||||
7338 | /// \a IsFirstComponent should be set to true if the provided set of | ||||
7339 | /// components is the first associated with a capture. | ||||
7340 | void generateInfoForComponentList( | ||||
7341 | OpenMPMapClauseKind MapType, | ||||
7342 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||
7343 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||
7344 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | ||||
7345 | MapValuesArrayTy &Sizes, MapFlagsArrayTy &Types, | ||||
7346 | StructRangeInfoTy &PartialStruct, bool IsFirstComponentList, | ||||
7347 | bool IsImplicit, | ||||
7348 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | ||||
7349 | OverlappedElements = llvm::None) const { | ||||
7350 | // The following summarizes what has to be generated for each map and the | ||||
7351 | // types below. The generated information is expressed in this order: | ||||
7352 | // base pointer, section pointer, size, flags | ||||
7353 | // (to add to the ones that come from the map type and modifier). | ||||
7354 | // | ||||
7355 | // double d; | ||||
7356 | // int i[100]; | ||||
7357 | // float *p; | ||||
7358 | // | ||||
7359 | // struct S1 { | ||||
7360 | // int i; | ||||
7361 | // float f[50]; | ||||
7362 | // } | ||||
7363 | // struct S2 { | ||||
7364 | // int i; | ||||
7365 | // float f[50]; | ||||
7366 | // S1 s; | ||||
7367 | // double *p; | ||||
7368 | // struct S2 *ps; | ||||
7369 | // } | ||||
7370 | // S2 s; | ||||
7371 | // S2 *ps; | ||||
7372 | // | ||||
7373 | // map(d) | ||||
7374 | // &d, &d, sizeof(double), TARGET_PARAM | TO | FROM | ||||
7375 | // | ||||
7376 | // map(i) | ||||
7377 | // &i, &i, 100*sizeof(int), TARGET_PARAM | TO | FROM | ||||
7378 | // | ||||
7379 | // map(i[1:23]) | ||||
7380 | // &i(=&i[0]), &i[1], 23*sizeof(int), TARGET_PARAM | TO | FROM | ||||
7381 | // | ||||
7382 | // map(p) | ||||
7383 | // &p, &p, sizeof(float*), TARGET_PARAM | TO | FROM | ||||
7384 | // | ||||
7385 | // map(p[1:24]) | ||||
7386 | // p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | ||||
7387 | // | ||||
7388 | // map(s) | ||||
7389 | // &s, &s, sizeof(S2), TARGET_PARAM | TO | FROM | ||||
7390 | // | ||||
7391 | // map(s.i) | ||||
7392 | // &s, &(s.i), sizeof(int), TARGET_PARAM | TO | FROM | ||||
7393 | // | ||||
7394 | // map(s.s.f) | ||||
7395 | // &s, &(s.s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | ||||
7396 | // | ||||
7397 | // map(s.p) | ||||
7398 | // &s, &(s.p), sizeof(double*), TARGET_PARAM | TO | FROM | ||||
7399 | // | ||||
7400 | // map(to: s.p[:22]) | ||||
7401 | // &s, &(s.p), sizeof(double*), TARGET_PARAM (*) | ||||
7402 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) (**) | ||||
7403 | // &(s.p), &(s.p[0]), 22*sizeof(double), | ||||
7404 | // MEMBER_OF(1) | PTR_AND_OBJ | TO (***) | ||||
7405 | // (*) alloc space for struct members, only this is a target parameter | ||||
7406 | // (**) map the pointer (nothing to be mapped in this example) (the compiler | ||||
7407 | // optimizes this entry out, same in the examples below) | ||||
7408 | // (***) map the pointee (map: to) | ||||
7409 | // | ||||
7410 | // map(s.ps) | ||||
7411 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | TO | FROM | ||||
7412 | // | ||||
7413 | // map(from: s.ps->s.i) | ||||
7414 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||
7415 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||
7416 | // &(s.ps), &(s.ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||
7417 | // | ||||
7418 | // map(to: s.ps->ps) | ||||
7419 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||
7420 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||
7421 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | TO | ||||
7422 | // | ||||
7423 | // map(s.ps->ps->ps) | ||||
7424 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||
7425 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||
7426 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||
7427 | // &(s.ps->ps), &(s.ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | ||||
7428 | // | ||||
7429 | // map(to: s.ps->ps->s.f[:22]) | ||||
7430 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | ||||
7431 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | ||||
7432 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||
7433 | // &(s.ps->ps), &(s.ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | ||||
7434 | // | ||||
7435 | // map(ps) | ||||
7436 | // &ps, &ps, sizeof(S2*), TARGET_PARAM | TO | FROM | ||||
7437 | // | ||||
7438 | // map(ps->i) | ||||
7439 | // ps, &(ps->i), sizeof(int), TARGET_PARAM | TO | FROM | ||||
7440 | // | ||||
7441 | // map(ps->s.f) | ||||
7442 | // ps, &(ps->s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | ||||
7443 | // | ||||
7444 | // map(from: ps->p) | ||||
7445 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | FROM | ||||
7446 | // | ||||
7447 | // map(to: ps->p[:22]) | ||||
7448 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | ||||
7449 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(1) | ||||
7450 | // &(ps->p), &(ps->p[0]), 22*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | TO | ||||
7451 | // | ||||
7452 | // map(ps->ps) | ||||
7453 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | TO | FROM | ||||
7454 | // | ||||
7455 | // map(from: ps->ps->s.i) | ||||
7456 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||
7457 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||
7458 | // &(ps->ps), &(ps->ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||
7459 | // | ||||
7460 | // map(from: ps->ps->ps) | ||||
7461 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||
7462 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||
7463 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||
7464 | // | ||||
7465 | // map(ps->ps->ps->ps) | ||||
7466 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||
7467 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||
7468 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||
7469 | // &(ps->ps->ps), &(ps->ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | ||||
7470 | // | ||||
7471 | // map(to: ps->ps->ps->s.f[:22]) | ||||
7472 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | ||||
7473 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | ||||
7474 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | ||||
7475 | // &(ps->ps->ps), &(ps->ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | ||||
7476 | // | ||||
7477 | // map(to: s.f[:22]) map(from: s.p[:33]) | ||||
7478 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1) + | ||||
7479 | // sizeof(double*) (**), TARGET_PARAM | ||||
7480 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | TO | ||||
7481 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) | ||||
7482 | // &(s.p), &(s.p[0]), 33*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | FROM | ||||
7483 | // (*) allocate contiguous space needed to fit all mapped members even if | ||||
7484 | // we allocate space for members not mapped (in this example, | ||||
7485 | // s.f[22..49] and s.s are not mapped, yet we must allocate space for | ||||
7486 | // them as well because they fall between &s.f[0] and &s.p) | ||||
7487 | // | ||||
7488 | // map(from: s.f[:22]) map(to: ps->p[:33]) | ||||
7489 | // &s, &(s.f[0]), 22*sizeof(float), TARGET_PARAM | FROM | ||||
7490 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | ||||
7491 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(2) (*) | ||||
7492 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(2) | PTR_AND_OBJ | TO | ||||
7493 | // (*) the struct this entry pertains to is the 2nd element in the list of | ||||
7494 | // arguments, hence MEMBER_OF(2) | ||||
7495 | // | ||||
7496 | // map(from: s.f[:22], s.s) map(to: ps->p[:33]) | ||||
7497 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1), TARGET_PARAM | ||||
7498 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | FROM | ||||
7499 | // &s, &(s.s), sizeof(struct S1), MEMBER_OF(1) | FROM | ||||
7500 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | ||||
7501 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(4) (*) | ||||
7502 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(4) | PTR_AND_OBJ | TO | ||||
7503 | // (*) the struct this entry pertains to is the 4th element in the list | ||||
7504 | // of arguments, hence MEMBER_OF(4) | ||||
7505 | |||||
7506 | // Track if the map information being generated is the first for a capture. | ||||
7507 | bool IsCaptureFirstInfo = IsFirstComponentList; | ||||
7508 | // When the variable is on a declare target link or in a to clause with | ||||
7509 | // unified memory, a reference is needed to hold the host/device address | ||||
7510 | // of the variable. | ||||
7511 | bool RequiresReference = false; | ||||
7512 | |||||
7513 | // Scan the components from the base to the complete expression. | ||||
7514 | auto CI = Components.rbegin(); | ||||
7515 | auto CE = Components.rend(); | ||||
7516 | auto I = CI; | ||||
7517 | |||||
7518 | // Track if the map information being generated is the first for a list of | ||||
7519 | // components. | ||||
7520 | bool IsExpressionFirstInfo = true; | ||||
7521 | Address BP = Address::invalid(); | ||||
7522 | const Expr *AssocExpr = I->getAssociatedExpression(); | ||||
7523 | const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr); | ||||
7524 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | ||||
7525 | |||||
7526 | if (isa<MemberExpr>(AssocExpr)) { | ||||
7527 | // The base is the 'this' pointer. The content of the pointer is going | ||||
7528 | // to be the base of the field being mapped. | ||||
7529 | BP = CGF.LoadCXXThisAddress(); | ||||
7530 | } else if ((AE && isa<CXXThisExpr>(AE->getBase()->IgnoreParenImpCasts())) || | ||||
7531 | (OASE && | ||||
7532 | isa<CXXThisExpr>(OASE->getBase()->IgnoreParenImpCasts()))) { | ||||
7533 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | ||||
7534 | } else { | ||||
7535 | // The base is the reference to the variable. | ||||
7536 | // BP = &Var. | ||||
7537 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | ||||
7538 | if (const auto *VD = | ||||
7539 | dyn_cast_or_null<VarDecl>(I->getAssociatedDeclaration())) { | ||||
7540 | if (llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
7541 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | ||||
7542 | if ((*Res == OMPDeclareTargetDeclAttr::MT_Link) || | ||||
7543 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
7544 | CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory())) { | ||||
7545 | RequiresReference = true; | ||||
7546 | BP = CGF.CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | ||||
7547 | } | ||||
7548 | } | ||||
7549 | } | ||||
7550 | |||||
7551 | // If the variable is a pointer and is being dereferenced (i.e. is not | ||||
7552 | // the last component), the base has to be the pointer itself, not its | ||||
7553 | // reference. References are ignored for mapping purposes. | ||||
7554 | QualType Ty = | ||||
7555 | I->getAssociatedDeclaration()->getType().getNonReferenceType(); | ||||
7556 | if (Ty->isAnyPointerType() && std::next(I) != CE) { | ||||
7557 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | ||||
7558 | |||||
7559 | // We do not need to generate individual map information for the | ||||
7560 | // pointer, it can be associated with the combined storage. | ||||
7561 | ++I; | ||||
7562 | } | ||||
7563 | } | ||||
7564 | |||||
7565 | // Track whether a component of the list should be marked as MEMBER_OF some | ||||
7566 | // combined entry (for partial structs). Only the first PTR_AND_OBJ entry | ||||
7567 | // in a component list should be marked as MEMBER_OF, all subsequent entries | ||||
7568 | // do not belong to the base struct. E.g. | ||||
7569 | // struct S2 s; | ||||
7570 | // s.ps->ps->ps->f[:] | ||||
7571 | // (1) (2) (3) (4) | ||||
7572 | // ps(1) is a member pointer, ps(2) is a pointee of ps(1), so it is a | ||||
7573 | // PTR_AND_OBJ entry; the PTR is ps(1), so MEMBER_OF the base struct. ps(3) | ||||
7574 | // is the pointee of ps(2) which is not member of struct s, so it should not | ||||
7575 | // be marked as such (it is still PTR_AND_OBJ). | ||||
7576 | // The variable is initialized to false so that PTR_AND_OBJ entries which | ||||
7577 | // are not struct members are not considered (e.g. array of pointers to | ||||
7578 | // data). | ||||
7579 | bool ShouldBeMemberOf = false; | ||||
7580 | |||||
7581 | // Variable keeping track of whether or not we have encountered a component | ||||
7582 | // in the component list which is a member expression. Useful when we have a | ||||
7583 | // pointer or a final array section, in which case it is the previous | ||||
7584 | // component in the list which tells us whether we have a member expression. | ||||
7585 | // E.g. X.f[:] | ||||
7586 | // While processing the final array section "[:]" it is "f" which tells us | ||||
7587 | // whether we are dealing with a member of a declared struct. | ||||
7588 | const MemberExpr *EncounteredME = nullptr; | ||||
7589 | |||||
7590 | for (; I != CE; ++I) { | ||||
7591 | // If the current component is member of a struct (parent struct) mark it. | ||||
7592 | if (!EncounteredME) { | ||||
7593 | EncounteredME = dyn_cast<MemberExpr>(I->getAssociatedExpression()); | ||||
7594 | // If we encounter a PTR_AND_OBJ entry from now on it should be marked | ||||
7595 | // as MEMBER_OF the parent struct. | ||||
7596 | if (EncounteredME) | ||||
7597 | ShouldBeMemberOf = true; | ||||
7598 | } | ||||
7599 | |||||
7600 | auto Next = std::next(I); | ||||
7601 | |||||
7602 | // We need to generate the addresses and sizes if this is the last | ||||
7603 | // component, if the component is a pointer or if it is an array section | ||||
7604 | // whose length can't be proved to be one. If this is a pointer, it | ||||
7605 | // becomes the base address for the following components. | ||||
7606 | |||||
7607 | // A final array section, is one whose length can't be proved to be one. | ||||
7608 | bool IsFinalArraySection = | ||||
7609 | isFinalArraySectionExpression(I->getAssociatedExpression()); | ||||
7610 | |||||
7611 | // Get information on whether the element is a pointer. Have to do a | ||||
7612 | // special treatment for array sections given that they are built-in | ||||
7613 | // types. | ||||
7614 | const auto *OASE = | ||||
7615 | dyn_cast<OMPArraySectionExpr>(I->getAssociatedExpression()); | ||||
7616 | bool IsPointer = | ||||
7617 | (OASE && OMPArraySectionExpr::getBaseOriginalType(OASE) | ||||
7618 | .getCanonicalType() | ||||
7619 | ->isAnyPointerType()) || | ||||
7620 | I->getAssociatedExpression()->getType()->isAnyPointerType(); | ||||
7621 | |||||
7622 | if (Next == CE || IsPointer || IsFinalArraySection) { | ||||
7623 | // If this is not the last component, we expect the pointer to be | ||||
7624 | // associated with an array expression or member expression. | ||||
7625 | assert((Next == CE ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7629, __PRETTY_FUNCTION__)) | ||||
7626 | isa<MemberExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7629, __PRETTY_FUNCTION__)) | ||||
7627 | isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7629, __PRETTY_FUNCTION__)) | ||||
7628 | isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) &&(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7629, __PRETTY_FUNCTION__)) | ||||
7629 | "Unexpected expression")(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7629, __PRETTY_FUNCTION__)); | ||||
7630 | |||||
7631 | Address LB = CGF.EmitOMPSharedLValue(I->getAssociatedExpression()) | ||||
7632 | .getAddress(CGF); | ||||
7633 | |||||
7634 | // If this component is a pointer inside the base struct then we don't | ||||
7635 | // need to create any entry for it - it will be combined with the object | ||||
7636 | // it is pointing to into a single PTR_AND_OBJ entry. | ||||
7637 | bool IsMemberPointer = | ||||
7638 | IsPointer && EncounteredME && | ||||
7639 | (dyn_cast<MemberExpr>(I->getAssociatedExpression()) == | ||||
7640 | EncounteredME); | ||||
7641 | if (!OverlappedElements.empty()) { | ||||
7642 | // Handle base element with the info for overlapped elements. | ||||
7643 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7643, __PRETTY_FUNCTION__)); | ||||
7644 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7645, __PRETTY_FUNCTION__)) | ||||
7645 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7645, __PRETTY_FUNCTION__)); | ||||
7646 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7647, __PRETTY_FUNCTION__)) | ||||
7647 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7647, __PRETTY_FUNCTION__)); | ||||
7648 | // Mark the whole struct as the struct that requires allocation on the | ||||
7649 | // device. | ||||
7650 | PartialStruct.LowestElem = {0, LB}; | ||||
7651 | CharUnits TypeSize = CGF.getContext().getTypeSizeInChars( | ||||
7652 | I->getAssociatedExpression()->getType()); | ||||
7653 | Address HB = CGF.Builder.CreateConstGEP( | ||||
7654 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(LB, | ||||
7655 | CGF.VoidPtrTy), | ||||
7656 | TypeSize.getQuantity() - 1); | ||||
7657 | PartialStruct.HighestElem = { | ||||
7658 | std::numeric_limits<decltype( | ||||
7659 | PartialStruct.HighestElem.first)>::max(), | ||||
7660 | HB}; | ||||
7661 | PartialStruct.Base = BP; | ||||
7662 | // Emit data for non-overlapped data. | ||||
7663 | OpenMPOffloadMappingFlags Flags = | ||||
7664 | OMP_MAP_MEMBER_OF | | ||||
7665 | getMapTypeBits(MapType, MapModifiers, IsImplicit, | ||||
7666 | /*AddPtrFlag=*/false, | ||||
7667 | /*AddIsTargetParamFlag=*/false); | ||||
7668 | LB = BP; | ||||
7669 | llvm::Value *Size = nullptr; | ||||
7670 | // Do bitcopy of all non-overlapped structure elements. | ||||
7671 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
7672 | Component : OverlappedElements) { | ||||
7673 | Address ComponentLB = Address::invalid(); | ||||
7674 | for (const OMPClauseMappableExprCommon::MappableComponent &MC : | ||||
7675 | Component) { | ||||
7676 | if (MC.getAssociatedDeclaration()) { | ||||
7677 | ComponentLB = | ||||
7678 | CGF.EmitOMPSharedLValue(MC.getAssociatedExpression()) | ||||
7679 | .getAddress(CGF); | ||||
7680 | Size = CGF.Builder.CreatePtrDiff( | ||||
7681 | CGF.EmitCastToVoidPtr(ComponentLB.getPointer()), | ||||
7682 | CGF.EmitCastToVoidPtr(LB.getPointer())); | ||||
7683 | break; | ||||
7684 | } | ||||
7685 | } | ||||
7686 | BasePointers.push_back(BP.getPointer()); | ||||
7687 | Pointers.push_back(LB.getPointer()); | ||||
7688 | Sizes.push_back(CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, | ||||
7689 | /*isSigned=*/true)); | ||||
7690 | Types.push_back(Flags); | ||||
7691 | LB = CGF.Builder.CreateConstGEP(ComponentLB, 1); | ||||
7692 | } | ||||
7693 | BasePointers.push_back(BP.getPointer()); | ||||
7694 | Pointers.push_back(LB.getPointer()); | ||||
7695 | Size = CGF.Builder.CreatePtrDiff( | ||||
7696 | CGF.EmitCastToVoidPtr( | ||||
7697 | CGF.Builder.CreateConstGEP(HB, 1).getPointer()), | ||||
7698 | CGF.EmitCastToVoidPtr(LB.getPointer())); | ||||
7699 | Sizes.push_back( | ||||
7700 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | ||||
7701 | Types.push_back(Flags); | ||||
7702 | break; | ||||
7703 | } | ||||
7704 | llvm::Value *Size = getExprTypeSize(I->getAssociatedExpression()); | ||||
7705 | if (!IsMemberPointer) { | ||||
7706 | BasePointers.push_back(BP.getPointer()); | ||||
7707 | Pointers.push_back(LB.getPointer()); | ||||
7708 | Sizes.push_back( | ||||
7709 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | ||||
7710 | |||||
7711 | // We need to add a pointer flag for each map that comes from the | ||||
7712 | // same expression except for the first one. We also need to signal | ||||
7713 | // this map is the first one that relates with the current capture | ||||
7714 | // (there is a set of entries for each capture). | ||||
7715 | OpenMPOffloadMappingFlags Flags = getMapTypeBits( | ||||
7716 | MapType, MapModifiers, IsImplicit, | ||||
7717 | !IsExpressionFirstInfo || RequiresReference, | ||||
7718 | IsCaptureFirstInfo && !RequiresReference); | ||||
7719 | |||||
7720 | if (!IsExpressionFirstInfo) { | ||||
7721 | // If we have a PTR_AND_OBJ pair where the OBJ is a pointer as well, | ||||
7722 | // then we reset the TO/FROM/ALWAYS/DELETE/CLOSE flags. | ||||
7723 | if (IsPointer) | ||||
7724 | Flags &= ~(OMP_MAP_TO | OMP_MAP_FROM | OMP_MAP_ALWAYS | | ||||
7725 | OMP_MAP_DELETE | OMP_MAP_CLOSE); | ||||
7726 | |||||
7727 | if (ShouldBeMemberOf) { | ||||
7728 | // Set placeholder value MEMBER_OF=FFFF to indicate that the flag | ||||
7729 | // should be later updated with the correct value of MEMBER_OF. | ||||
7730 | Flags |= OMP_MAP_MEMBER_OF; | ||||
7731 | // From now on, all subsequent PTR_AND_OBJ entries should not be | ||||
7732 | // marked as MEMBER_OF. | ||||
7733 | ShouldBeMemberOf = false; | ||||
7734 | } | ||||
7735 | } | ||||
7736 | |||||
7737 | Types.push_back(Flags); | ||||
7738 | } | ||||
7739 | |||||
7740 | // If we have encountered a member expression so far, keep track of the | ||||
7741 | // mapped member. If the parent is "*this", then the value declaration | ||||
7742 | // is nullptr. | ||||
7743 | if (EncounteredME) { | ||||
7744 | const auto *FD = dyn_cast<FieldDecl>(EncounteredME->getMemberDecl()); | ||||
7745 | unsigned FieldIndex = FD->getFieldIndex(); | ||||
7746 | |||||
7747 | // Update info about the lowest and highest elements for this struct | ||||
7748 | if (!PartialStruct.Base.isValid()) { | ||||
7749 | PartialStruct.LowestElem = {FieldIndex, LB}; | ||||
7750 | PartialStruct.HighestElem = {FieldIndex, LB}; | ||||
7751 | PartialStruct.Base = BP; | ||||
7752 | } else if (FieldIndex < PartialStruct.LowestElem.first) { | ||||
7753 | PartialStruct.LowestElem = {FieldIndex, LB}; | ||||
7754 | } else if (FieldIndex > PartialStruct.HighestElem.first) { | ||||
7755 | PartialStruct.HighestElem = {FieldIndex, LB}; | ||||
7756 | } | ||||
7757 | } | ||||
7758 | |||||
7759 | // If we have a final array section, we are done with this expression. | ||||
7760 | if (IsFinalArraySection) | ||||
7761 | break; | ||||
7762 | |||||
7763 | // The pointer becomes the base for the next element. | ||||
7764 | if (Next != CE) | ||||
7765 | BP = LB; | ||||
7766 | |||||
7767 | IsExpressionFirstInfo = false; | ||||
7768 | IsCaptureFirstInfo = false; | ||||
7769 | } | ||||
7770 | } | ||||
7771 | } | ||||
7772 | |||||
7773 | /// Return the adjusted map modifiers if the declaration a capture refers to | ||||
7774 | /// appears in a first-private clause. This is expected to be used only with | ||||
7775 | /// directives that start with 'target'. | ||||
7776 | MappableExprsHandler::OpenMPOffloadMappingFlags | ||||
7777 | getMapModifiersForPrivateClauses(const CapturedStmt::Capture &Cap) const { | ||||
7778 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7778, __PRETTY_FUNCTION__)); | ||||
7779 | |||||
7780 | // A first private variable captured by reference will use only the | ||||
7781 | // 'private ptr' and 'map to' flag. Return the right flags if the captured | ||||
7782 | // declaration is known as first-private in this handler. | ||||
7783 | if (FirstPrivateDecls.count(Cap.getCapturedVar())) { | ||||
7784 | if (Cap.getCapturedVar()->getType().isConstant(CGF.getContext()) && | ||||
7785 | Cap.getCaptureKind() == CapturedStmt::VCK_ByRef) | ||||
7786 | return MappableExprsHandler::OMP_MAP_ALWAYS | | ||||
7787 | MappableExprsHandler::OMP_MAP_TO; | ||||
7788 | if (Cap.getCapturedVar()->getType()->isAnyPointerType()) | ||||
7789 | return MappableExprsHandler::OMP_MAP_TO | | ||||
7790 | MappableExprsHandler::OMP_MAP_PTR_AND_OBJ; | ||||
7791 | return MappableExprsHandler::OMP_MAP_PRIVATE | | ||||
7792 | MappableExprsHandler::OMP_MAP_TO; | ||||
7793 | } | ||||
7794 | return MappableExprsHandler::OMP_MAP_TO | | ||||
7795 | MappableExprsHandler::OMP_MAP_FROM; | ||||
7796 | } | ||||
7797 | |||||
7798 | static OpenMPOffloadMappingFlags getMemberOfFlag(unsigned Position) { | ||||
7799 | // Rotate by getFlagMemberOffset() bits. | ||||
7800 | return static_cast<OpenMPOffloadMappingFlags>(((uint64_t)Position + 1) | ||||
7801 | << getFlagMemberOffset()); | ||||
7802 | } | ||||
7803 | |||||
7804 | static void setCorrectMemberOfFlag(OpenMPOffloadMappingFlags &Flags, | ||||
7805 | OpenMPOffloadMappingFlags MemberOfFlag) { | ||||
7806 | // If the entry is PTR_AND_OBJ but has not been marked with the special | ||||
7807 | // placeholder value 0xFFFF in the MEMBER_OF field, then it should not be | ||||
7808 | // marked as MEMBER_OF. | ||||
7809 | if ((Flags & OMP_MAP_PTR_AND_OBJ) && | ||||
7810 | ((Flags & OMP_MAP_MEMBER_OF) != OMP_MAP_MEMBER_OF)) | ||||
7811 | return; | ||||
7812 | |||||
7813 | // Reset the placeholder value to prepare the flag for the assignment of the | ||||
7814 | // proper MEMBER_OF value. | ||||
7815 | Flags &= ~OMP_MAP_MEMBER_OF; | ||||
7816 | Flags |= MemberOfFlag; | ||||
7817 | } | ||||
7818 | |||||
7819 | void getPlainLayout(const CXXRecordDecl *RD, | ||||
7820 | llvm::SmallVectorImpl<const FieldDecl *> &Layout, | ||||
7821 | bool AsBase) const { | ||||
7822 | const CGRecordLayout &RL = CGF.getTypes().getCGRecordLayout(RD); | ||||
7823 | |||||
7824 | llvm::StructType *St = | ||||
7825 | AsBase ? RL.getBaseSubobjectLLVMType() : RL.getLLVMType(); | ||||
7826 | |||||
7827 | unsigned NumElements = St->getNumElements(); | ||||
7828 | llvm::SmallVector< | ||||
7829 | llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *>, 4> | ||||
7830 | RecordLayout(NumElements); | ||||
7831 | |||||
7832 | // Fill bases. | ||||
7833 | for (const auto &I : RD->bases()) { | ||||
7834 | if (I.isVirtual()) | ||||
7835 | continue; | ||||
7836 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | ||||
7837 | // Ignore empty bases. | ||||
7838 | if (Base->isEmpty() || CGF.getContext() | ||||
7839 | .getASTRecordLayout(Base) | ||||
7840 | .getNonVirtualSize() | ||||
7841 | .isZero()) | ||||
7842 | continue; | ||||
7843 | |||||
7844 | unsigned FieldIndex = RL.getNonVirtualBaseLLVMFieldNo(Base); | ||||
7845 | RecordLayout[FieldIndex] = Base; | ||||
7846 | } | ||||
7847 | // Fill in virtual bases. | ||||
7848 | for (const auto &I : RD->vbases()) { | ||||
7849 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | ||||
7850 | // Ignore empty bases. | ||||
7851 | if (Base->isEmpty()) | ||||
7852 | continue; | ||||
7853 | unsigned FieldIndex = RL.getVirtualBaseIndex(Base); | ||||
7854 | if (RecordLayout[FieldIndex]) | ||||
7855 | continue; | ||||
7856 | RecordLayout[FieldIndex] = Base; | ||||
7857 | } | ||||
7858 | // Fill in all the fields. | ||||
7859 | assert(!RD->isUnion() && "Unexpected union.")((!RD->isUnion() && "Unexpected union.") ? static_cast <void> (0) : __assert_fail ("!RD->isUnion() && \"Unexpected union.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7859, __PRETTY_FUNCTION__)); | ||||
7860 | for (const auto *Field : RD->fields()) { | ||||
7861 | // Fill in non-bitfields. (Bitfields always use a zero pattern, which we | ||||
7862 | // will fill in later.) | ||||
7863 | if (!Field->isBitField() && !Field->isZeroSize(CGF.getContext())) { | ||||
7864 | unsigned FieldIndex = RL.getLLVMFieldNo(Field); | ||||
7865 | RecordLayout[FieldIndex] = Field; | ||||
7866 | } | ||||
7867 | } | ||||
7868 | for (const llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *> | ||||
7869 | &Data : RecordLayout) { | ||||
7870 | if (Data.isNull()) | ||||
7871 | continue; | ||||
7872 | if (const auto *Base = Data.dyn_cast<const CXXRecordDecl *>()) | ||||
7873 | getPlainLayout(Base, Layout, /*AsBase=*/true); | ||||
7874 | else | ||||
7875 | Layout.push_back(Data.get<const FieldDecl *>()); | ||||
7876 | } | ||||
7877 | } | ||||
7878 | |||||
7879 | public: | ||||
7880 | MappableExprsHandler(const OMPExecutableDirective &Dir, CodeGenFunction &CGF) | ||||
7881 | : CurDir(&Dir), CGF(CGF) { | ||||
7882 | // Extract firstprivate clause information. | ||||
7883 | for (const auto *C : Dir.getClausesOfKind<OMPFirstprivateClause>()) | ||||
7884 | for (const auto *D : C->varlists()) | ||||
7885 | FirstPrivateDecls.try_emplace( | ||||
7886 | cast<VarDecl>(cast<DeclRefExpr>(D)->getDecl()), C->isImplicit()); | ||||
7887 | // Extract device pointer clause information. | ||||
7888 | for (const auto *C : Dir.getClausesOfKind<OMPIsDevicePtrClause>()) | ||||
7889 | for (auto L : C->component_lists()) | ||||
7890 | DevPointersMap[L.first].push_back(L.second); | ||||
7891 | } | ||||
7892 | |||||
7893 | /// Constructor for the declare mapper directive. | ||||
7894 | MappableExprsHandler(const OMPDeclareMapperDecl &Dir, CodeGenFunction &CGF) | ||||
7895 | : CurDir(&Dir), CGF(CGF) {} | ||||
7896 | |||||
7897 | /// Generate code for the combined entry if we have a partially mapped struct | ||||
7898 | /// and take care of the mapping flags of the arguments corresponding to | ||||
7899 | /// individual struct members. | ||||
7900 | void emitCombinedEntry(MapBaseValuesArrayTy &BasePointers, | ||||
7901 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | ||||
7902 | MapFlagsArrayTy &Types, MapFlagsArrayTy &CurTypes, | ||||
7903 | const StructRangeInfoTy &PartialStruct) const { | ||||
7904 | // Base is the base of the struct | ||||
7905 | BasePointers.push_back(PartialStruct.Base.getPointer()); | ||||
7906 | // Pointer is the address of the lowest element | ||||
7907 | llvm::Value *LB = PartialStruct.LowestElem.second.getPointer(); | ||||
7908 | Pointers.push_back(LB); | ||||
7909 | // Size is (addr of {highest+1} element) - (addr of lowest element) | ||||
7910 | llvm::Value *HB = PartialStruct.HighestElem.second.getPointer(); | ||||
7911 | llvm::Value *HAddr = CGF.Builder.CreateConstGEP1_32(HB, /*Idx0=*/1); | ||||
7912 | llvm::Value *CLAddr = CGF.Builder.CreatePointerCast(LB, CGF.VoidPtrTy); | ||||
7913 | llvm::Value *CHAddr = CGF.Builder.CreatePointerCast(HAddr, CGF.VoidPtrTy); | ||||
7914 | llvm::Value *Diff = CGF.Builder.CreatePtrDiff(CHAddr, CLAddr); | ||||
7915 | llvm::Value *Size = CGF.Builder.CreateIntCast(Diff, CGF.Int64Ty, | ||||
7916 | /*isSigned=*/false); | ||||
7917 | Sizes.push_back(Size); | ||||
7918 | // Map type is always TARGET_PARAM | ||||
7919 | Types.push_back(OMP_MAP_TARGET_PARAM); | ||||
7920 | // Remove TARGET_PARAM flag from the first element | ||||
7921 | (*CurTypes.begin()) &= ~OMP_MAP_TARGET_PARAM; | ||||
7922 | |||||
7923 | // All other current entries will be MEMBER_OF the combined entry | ||||
7924 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | ||||
7925 | // 0xFFFF in the MEMBER_OF field). | ||||
7926 | OpenMPOffloadMappingFlags MemberOfFlag = | ||||
7927 | getMemberOfFlag(BasePointers.size() - 1); | ||||
7928 | for (auto &M : CurTypes) | ||||
7929 | setCorrectMemberOfFlag(M, MemberOfFlag); | ||||
7930 | } | ||||
7931 | |||||
7932 | /// Generate all the base pointers, section pointers, sizes and map | ||||
7933 | /// types for the extracted mappable expressions. Also, for each item that | ||||
7934 | /// relates with a device pointer, a pair of the relevant declaration and | ||||
7935 | /// index where it occurs is appended to the device pointers info array. | ||||
7936 | void generateAllInfo(MapBaseValuesArrayTy &BasePointers, | ||||
7937 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | ||||
7938 | MapFlagsArrayTy &Types) const { | ||||
7939 | // We have to process the component lists that relate with the same | ||||
7940 | // declaration in a single chunk so that we can generate the map flags | ||||
7941 | // correctly. Therefore, we organize all lists in a map. | ||||
7942 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | ||||
7943 | |||||
7944 | // Helper function to fill the information map for the different supported | ||||
7945 | // clauses. | ||||
7946 | auto &&InfoGen = [&Info]( | ||||
7947 | const ValueDecl *D, | ||||
7948 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | ||||
7949 | OpenMPMapClauseKind MapType, | ||||
7950 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||
7951 | bool ReturnDevicePointer, bool IsImplicit) { | ||||
7952 | const ValueDecl *VD = | ||||
7953 | D ? cast<ValueDecl>(D->getCanonicalDecl()) : nullptr; | ||||
7954 | Info[VD].emplace_back(L, MapType, MapModifiers, ReturnDevicePointer, | ||||
7955 | IsImplicit); | ||||
7956 | }; | ||||
7957 | |||||
7958 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7959, __PRETTY_FUNCTION__)) | ||||
7959 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7959, __PRETTY_FUNCTION__)); | ||||
7960 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | ||||
7961 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) | ||||
7962 | for (const auto L : C->component_lists()) { | ||||
7963 | InfoGen(L.first, L.second, C->getMapType(), C->getMapTypeModifiers(), | ||||
7964 | /*ReturnDevicePointer=*/false, C->isImplicit()); | ||||
7965 | } | ||||
7966 | for (const auto *C : CurExecDir->getClausesOfKind<OMPToClause>()) | ||||
7967 | for (const auto L : C->component_lists()) { | ||||
7968 | InfoGen(L.first, L.second, OMPC_MAP_to, llvm::None, | ||||
7969 | /*ReturnDevicePointer=*/false, C->isImplicit()); | ||||
7970 | } | ||||
7971 | for (const auto *C : CurExecDir->getClausesOfKind<OMPFromClause>()) | ||||
7972 | for (const auto L : C->component_lists()) { | ||||
7973 | InfoGen(L.first, L.second, OMPC_MAP_from, llvm::None, | ||||
7974 | /*ReturnDevicePointer=*/false, C->isImplicit()); | ||||
7975 | } | ||||
7976 | |||||
7977 | // Look at the use_device_ptr clause information and mark the existing map | ||||
7978 | // entries as such. If there is no map information for an entry in the | ||||
7979 | // use_device_ptr list, we create one with map type 'alloc' and zero size | ||||
7980 | // section. It is the user fault if that was not mapped before. If there is | ||||
7981 | // no map information and the pointer is a struct member, then we defer the | ||||
7982 | // emission of that entry until the whole struct has been processed. | ||||
7983 | llvm::MapVector<const ValueDecl *, SmallVector<DeferredDevicePtrEntryTy, 4>> | ||||
7984 | DeferredInfo; | ||||
7985 | |||||
7986 | for (const auto *C : | ||||
7987 | CurExecDir->getClausesOfKind<OMPUseDevicePtrClause>()) { | ||||
7988 | for (const auto L : C->component_lists()) { | ||||
7989 | assert(!L.second.empty() && "Not expecting empty list of components!")((!L.second.empty() && "Not expecting empty list of components!" ) ? static_cast<void> (0) : __assert_fail ("!L.second.empty() && \"Not expecting empty list of components!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7989, __PRETTY_FUNCTION__)); | ||||
7990 | const ValueDecl *VD = L.second.back().getAssociatedDeclaration(); | ||||
7991 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | ||||
7992 | const Expr *IE = L.second.back().getAssociatedExpression(); | ||||
7993 | // If the first component is a member expression, we have to look into | ||||
7994 | // 'this', which maps to null in the map of map information. Otherwise | ||||
7995 | // look directly for the information. | ||||
7996 | auto It = Info.find(isa<MemberExpr>(IE) ? nullptr : VD); | ||||
7997 | |||||
7998 | // We potentially have map information for this declaration already. | ||||
7999 | // Look for the first set of components that refer to it. | ||||
8000 | if (It != Info.end()) { | ||||
8001 | auto CI = std::find_if( | ||||
8002 | It->second.begin(), It->second.end(), [VD](const MapInfo &MI) { | ||||
8003 | return MI.Components.back().getAssociatedDeclaration() == VD; | ||||
8004 | }); | ||||
8005 | // If we found a map entry, signal that the pointer has to be returned | ||||
8006 | // and move on to the next declaration. | ||||
8007 | if (CI != It->second.end()) { | ||||
8008 | CI->ReturnDevicePointer = true; | ||||
8009 | continue; | ||||
8010 | } | ||||
8011 | } | ||||
8012 | |||||
8013 | // We didn't find any match in our map information - generate a zero | ||||
8014 | // size array section - if the pointer is a struct member we defer this | ||||
8015 | // action until the whole struct has been processed. | ||||
8016 | if (isa<MemberExpr>(IE)) { | ||||
8017 | // Insert the pointer into Info to be processed by | ||||
8018 | // generateInfoForComponentList. Because it is a member pointer | ||||
8019 | // without a pointee, no entry will be generated for it, therefore | ||||
8020 | // we need to generate one after the whole struct has been processed. | ||||
8021 | // Nonetheless, generateInfoForComponentList must be called to take | ||||
8022 | // the pointer into account for the calculation of the range of the | ||||
8023 | // partial struct. | ||||
8024 | InfoGen(nullptr, L.second, OMPC_MAP_unknown, llvm::None, | ||||
8025 | /*ReturnDevicePointer=*/false, C->isImplicit()); | ||||
8026 | DeferredInfo[nullptr].emplace_back(IE, VD); | ||||
8027 | } else { | ||||
8028 | llvm::Value *Ptr = | ||||
8029 | CGF.EmitLoadOfScalar(CGF.EmitLValue(IE), IE->getExprLoc()); | ||||
8030 | BasePointers.emplace_back(Ptr, VD); | ||||
8031 | Pointers.push_back(Ptr); | ||||
8032 | Sizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | ||||
8033 | Types.push_back(OMP_MAP_RETURN_PARAM | OMP_MAP_TARGET_PARAM); | ||||
8034 | } | ||||
8035 | } | ||||
8036 | } | ||||
8037 | |||||
8038 | for (const auto &M : Info) { | ||||
8039 | // We need to know when we generate information for the first component | ||||
8040 | // associated with a capture, because the mapping flags depend on it. | ||||
8041 | bool IsFirstComponentList = true; | ||||
8042 | |||||
8043 | // Temporary versions of arrays | ||||
8044 | MapBaseValuesArrayTy CurBasePointers; | ||||
8045 | MapValuesArrayTy CurPointers; | ||||
8046 | MapValuesArrayTy CurSizes; | ||||
8047 | MapFlagsArrayTy CurTypes; | ||||
8048 | StructRangeInfoTy PartialStruct; | ||||
8049 | |||||
8050 | for (const MapInfo &L : M.second) { | ||||
8051 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8052, __PRETTY_FUNCTION__)) | ||||
8052 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8052, __PRETTY_FUNCTION__)); | ||||
8053 | |||||
8054 | // Remember the current base pointer index. | ||||
8055 | unsigned CurrentBasePointersIdx = CurBasePointers.size(); | ||||
8056 | generateInfoForComponentList(L.MapType, L.MapModifiers, L.Components, | ||||
8057 | CurBasePointers, CurPointers, CurSizes, | ||||
8058 | CurTypes, PartialStruct, | ||||
8059 | IsFirstComponentList, L.IsImplicit); | ||||
8060 | |||||
8061 | // If this entry relates with a device pointer, set the relevant | ||||
8062 | // declaration and add the 'return pointer' flag. | ||||
8063 | if (L.ReturnDevicePointer) { | ||||
8064 | assert(CurBasePointers.size() > CurrentBasePointersIdx &&((CurBasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? static_cast< void> (0) : __assert_fail ("CurBasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8065, __PRETTY_FUNCTION__)) | ||||
8065 | "Unexpected number of mapped base pointers.")((CurBasePointers.size() > CurrentBasePointersIdx && "Unexpected number of mapped base pointers.") ? static_cast< void> (0) : __assert_fail ("CurBasePointers.size() > CurrentBasePointersIdx && \"Unexpected number of mapped base pointers.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8065, __PRETTY_FUNCTION__)); | ||||
8066 | |||||
8067 | const ValueDecl *RelevantVD = | ||||
8068 | L.Components.back().getAssociatedDeclaration(); | ||||
8069 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8070, __PRETTY_FUNCTION__)) | ||||
8070 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8070, __PRETTY_FUNCTION__)); | ||||
8071 | |||||
8072 | CurBasePointers[CurrentBasePointersIdx].setDevicePtrDecl(RelevantVD); | ||||
8073 | CurTypes[CurrentBasePointersIdx] |= OMP_MAP_RETURN_PARAM; | ||||
8074 | } | ||||
8075 | IsFirstComponentList = false; | ||||
8076 | } | ||||
8077 | |||||
8078 | // Append any pending zero-length pointers which are struct members and | ||||
8079 | // used with use_device_ptr. | ||||
8080 | auto CI = DeferredInfo.find(M.first); | ||||
8081 | if (CI != DeferredInfo.end()) { | ||||
8082 | for (const DeferredDevicePtrEntryTy &L : CI->second) { | ||||
8083 | llvm::Value *BasePtr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | ||||
8084 | llvm::Value *Ptr = this->CGF.EmitLoadOfScalar( | ||||
8085 | this->CGF.EmitLValue(L.IE), L.IE->getExprLoc()); | ||||
8086 | CurBasePointers.emplace_back(BasePtr, L.VD); | ||||
8087 | CurPointers.push_back(Ptr); | ||||
8088 | CurSizes.push_back(llvm::Constant::getNullValue(this->CGF.Int64Ty)); | ||||
8089 | // Entry is PTR_AND_OBJ and RETURN_PARAM. Also, set the placeholder | ||||
8090 | // value MEMBER_OF=FFFF so that the entry is later updated with the | ||||
8091 | // correct value of MEMBER_OF. | ||||
8092 | CurTypes.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_RETURN_PARAM | | ||||
8093 | OMP_MAP_MEMBER_OF); | ||||
8094 | } | ||||
8095 | } | ||||
8096 | |||||
8097 | // If there is an entry in PartialStruct it means we have a struct with | ||||
8098 | // individual members mapped. Emit an extra combined entry. | ||||
8099 | if (PartialStruct.Base.isValid()) | ||||
8100 | emitCombinedEntry(BasePointers, Pointers, Sizes, Types, CurTypes, | ||||
8101 | PartialStruct); | ||||
8102 | |||||
8103 | // We need to append the results of this capture to what we already have. | ||||
8104 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | ||||
8105 | Pointers.append(CurPointers.begin(), CurPointers.end()); | ||||
8106 | Sizes.append(CurSizes.begin(), CurSizes.end()); | ||||
8107 | Types.append(CurTypes.begin(), CurTypes.end()); | ||||
8108 | } | ||||
8109 | } | ||||
8110 | |||||
8111 | /// Generate all the base pointers, section pointers, sizes and map types for | ||||
8112 | /// the extracted map clauses of user-defined mapper. | ||||
8113 | void generateAllInfoForMapper(MapBaseValuesArrayTy &BasePointers, | ||||
8114 | MapValuesArrayTy &Pointers, | ||||
8115 | MapValuesArrayTy &Sizes, | ||||
8116 | MapFlagsArrayTy &Types) const { | ||||
8117 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8118, __PRETTY_FUNCTION__)) | ||||
8118 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8118, __PRETTY_FUNCTION__)); | ||||
8119 | const auto *CurMapperDir = CurDir.get<const OMPDeclareMapperDecl *>(); | ||||
8120 | // We have to process the component lists that relate with the same | ||||
8121 | // declaration in a single chunk so that we can generate the map flags | ||||
8122 | // correctly. Therefore, we organize all lists in a map. | ||||
8123 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | ||||
8124 | |||||
8125 | // Helper function to fill the information map for the different supported | ||||
8126 | // clauses. | ||||
8127 | auto &&InfoGen = [&Info]( | ||||
8128 | const ValueDecl *D, | ||||
8129 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | ||||
8130 | OpenMPMapClauseKind MapType, | ||||
8131 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | ||||
8132 | bool ReturnDevicePointer, bool IsImplicit) { | ||||
8133 | const ValueDecl *VD = | ||||
8134 | D ? cast<ValueDecl>(D->getCanonicalDecl()) : nullptr; | ||||
8135 | Info[VD].emplace_back(L, MapType, MapModifiers, ReturnDevicePointer, | ||||
8136 | IsImplicit); | ||||
8137 | }; | ||||
8138 | |||||
8139 | for (const auto *C : CurMapperDir->clauselists()) { | ||||
8140 | const auto *MC = cast<OMPMapClause>(C); | ||||
8141 | for (const auto L : MC->component_lists()) { | ||||
8142 | InfoGen(L.first, L.second, MC->getMapType(), MC->getMapTypeModifiers(), | ||||
8143 | /*ReturnDevicePointer=*/false, MC->isImplicit()); | ||||
8144 | } | ||||
8145 | } | ||||
8146 | |||||
8147 | for (const auto &M : Info) { | ||||
8148 | // We need to know when we generate information for the first component | ||||
8149 | // associated with a capture, because the mapping flags depend on it. | ||||
8150 | bool IsFirstComponentList = true; | ||||
8151 | |||||
8152 | // Temporary versions of arrays | ||||
8153 | MapBaseValuesArrayTy CurBasePointers; | ||||
8154 | MapValuesArrayTy CurPointers; | ||||
8155 | MapValuesArrayTy CurSizes; | ||||
8156 | MapFlagsArrayTy CurTypes; | ||||
8157 | StructRangeInfoTy PartialStruct; | ||||
8158 | |||||
8159 | for (const MapInfo &L : M.second) { | ||||
8160 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8161, __PRETTY_FUNCTION__)) | ||||
8161 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8161, __PRETTY_FUNCTION__)); | ||||
8162 | generateInfoForComponentList(L.MapType, L.MapModifiers, L.Components, | ||||
8163 | CurBasePointers, CurPointers, CurSizes, | ||||
8164 | CurTypes, PartialStruct, | ||||
8165 | IsFirstComponentList, L.IsImplicit); | ||||
8166 | IsFirstComponentList = false; | ||||
8167 | } | ||||
8168 | |||||
8169 | // If there is an entry in PartialStruct it means we have a struct with | ||||
8170 | // individual members mapped. Emit an extra combined entry. | ||||
8171 | if (PartialStruct.Base.isValid()) | ||||
8172 | emitCombinedEntry(BasePointers, Pointers, Sizes, Types, CurTypes, | ||||
8173 | PartialStruct); | ||||
8174 | |||||
8175 | // We need to append the results of this capture to what we already have. | ||||
8176 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | ||||
8177 | Pointers.append(CurPointers.begin(), CurPointers.end()); | ||||
8178 | Sizes.append(CurSizes.begin(), CurSizes.end()); | ||||
8179 | Types.append(CurTypes.begin(), CurTypes.end()); | ||||
8180 | } | ||||
8181 | } | ||||
8182 | |||||
8183 | /// Emit capture info for lambdas for variables captured by reference. | ||||
8184 | void generateInfoForLambdaCaptures( | ||||
8185 | const ValueDecl *VD, llvm::Value *Arg, MapBaseValuesArrayTy &BasePointers, | ||||
8186 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | ||||
8187 | MapFlagsArrayTy &Types, | ||||
8188 | llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers) const { | ||||
8189 | const auto *RD = VD->getType() | ||||
8190 | .getCanonicalType() | ||||
8191 | .getNonReferenceType() | ||||
8192 | ->getAsCXXRecordDecl(); | ||||
8193 | if (!RD || !RD->isLambda()) | ||||
8194 | return; | ||||
8195 | Address VDAddr = Address(Arg, CGF.getContext().getDeclAlign(VD)); | ||||
8196 | LValue VDLVal = CGF.MakeAddrLValue( | ||||
8197 | VDAddr, VD->getType().getCanonicalType().getNonReferenceType()); | ||||
8198 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | ||||
8199 | FieldDecl *ThisCapture = nullptr; | ||||
8200 | RD->getCaptureFields(Captures, ThisCapture); | ||||
8201 | if (ThisCapture) { | ||||
8202 | LValue ThisLVal = | ||||
8203 | CGF.EmitLValueForFieldInitialization(VDLVal, ThisCapture); | ||||
8204 | LValue ThisLValVal = CGF.EmitLValueForField(VDLVal, ThisCapture); | ||||
8205 | LambdaPointers.try_emplace(ThisLVal.getPointer(CGF), | ||||
8206 | VDLVal.getPointer(CGF)); | ||||
8207 | BasePointers.push_back(ThisLVal.getPointer(CGF)); | ||||
8208 | Pointers.push_back(ThisLValVal.getPointer(CGF)); | ||||
8209 | Sizes.push_back( | ||||
8210 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | ||||
8211 | CGF.Int64Ty, /*isSigned=*/true)); | ||||
8212 | Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | ||||
8213 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | ||||
8214 | } | ||||
8215 | for (const LambdaCapture &LC : RD->captures()) { | ||||
8216 | if (!LC.capturesVariable()) | ||||
8217 | continue; | ||||
8218 | const VarDecl *VD = LC.getCapturedVar(); | ||||
8219 | if (LC.getCaptureKind() != LCK_ByRef && !VD->getType()->isPointerType()) | ||||
8220 | continue; | ||||
8221 | auto It = Captures.find(VD); | ||||
8222 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8222, __PRETTY_FUNCTION__)); | ||||
8223 | LValue VarLVal = CGF.EmitLValueForFieldInitialization(VDLVal, It->second); | ||||
8224 | if (LC.getCaptureKind() == LCK_ByRef) { | ||||
8225 | LValue VarLValVal = CGF.EmitLValueForField(VDLVal, It->second); | ||||
8226 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | ||||
8227 | VDLVal.getPointer(CGF)); | ||||
8228 | BasePointers.push_back(VarLVal.getPointer(CGF)); | ||||
8229 | Pointers.push_back(VarLValVal.getPointer(CGF)); | ||||
8230 | Sizes.push_back(CGF.Builder.CreateIntCast( | ||||
8231 | CGF.getTypeSize( | ||||
8232 | VD->getType().getCanonicalType().getNonReferenceType()), | ||||
8233 | CGF.Int64Ty, /*isSigned=*/true)); | ||||
8234 | } else { | ||||
8235 | RValue VarRVal = CGF.EmitLoadOfLValue(VarLVal, RD->getLocation()); | ||||
8236 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | ||||
8237 | VDLVal.getPointer(CGF)); | ||||
8238 | BasePointers.push_back(VarLVal.getPointer(CGF)); | ||||
8239 | Pointers.push_back(VarRVal.getScalarVal()); | ||||
8240 | Sizes.push_back(llvm::ConstantInt::get(CGF.Int64Ty, 0)); | ||||
8241 | } | ||||
8242 | Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | ||||
8243 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | ||||
8244 | } | ||||
8245 | } | ||||
8246 | |||||
8247 | /// Set correct indices for lambdas captures. | ||||
8248 | void adjustMemberOfForLambdaCaptures( | ||||
8249 | const llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers, | ||||
8250 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | ||||
8251 | MapFlagsArrayTy &Types) const { | ||||
8252 | for (unsigned I = 0, E = Types.size(); I < E; ++I) { | ||||
8253 | // Set correct member_of idx for all implicit lambda captures. | ||||
8254 | if (Types[I] != (OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | ||||
8255 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT)) | ||||
8256 | continue; | ||||
8257 | llvm::Value *BasePtr = LambdaPointers.lookup(*BasePointers[I]); | ||||
8258 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8258, __PRETTY_FUNCTION__)); | ||||
8259 | int TgtIdx = -1; | ||||
8260 | for (unsigned J = I; J > 0; --J) { | ||||
8261 | unsigned Idx = J - 1; | ||||
8262 | if (Pointers[Idx] != BasePtr) | ||||
8263 | continue; | ||||
8264 | TgtIdx = Idx; | ||||
8265 | break; | ||||
8266 | } | ||||
8267 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8267, __PRETTY_FUNCTION__)); | ||||
8268 | // All other current entries will be MEMBER_OF the combined entry | ||||
8269 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | ||||
8270 | // 0xFFFF in the MEMBER_OF field). | ||||
8271 | OpenMPOffloadMappingFlags MemberOfFlag = getMemberOfFlag(TgtIdx); | ||||
8272 | setCorrectMemberOfFlag(Types[I], MemberOfFlag); | ||||
8273 | } | ||||
8274 | } | ||||
8275 | |||||
8276 | /// Generate the base pointers, section pointers, sizes and map types | ||||
8277 | /// associated to a given capture. | ||||
8278 | void generateInfoForCapture(const CapturedStmt::Capture *Cap, | ||||
8279 | llvm::Value *Arg, | ||||
8280 | MapBaseValuesArrayTy &BasePointers, | ||||
8281 | MapValuesArrayTy &Pointers, | ||||
8282 | MapValuesArrayTy &Sizes, MapFlagsArrayTy &Types, | ||||
8283 | StructRangeInfoTy &PartialStruct) const { | ||||
8284 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8285, __PRETTY_FUNCTION__)) | ||||
8285 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8285, __PRETTY_FUNCTION__)); | ||||
8286 | |||||
8287 | // We need to know when we generating information for the first component | ||||
8288 | const ValueDecl *VD = Cap->capturesThis() | ||||
8289 | ? nullptr | ||||
8290 | : Cap->getCapturedVar()->getCanonicalDecl(); | ||||
8291 | |||||
8292 | // If this declaration appears in a is_device_ptr clause we just have to | ||||
8293 | // pass the pointer by value. If it is a reference to a declaration, we just | ||||
8294 | // pass its value. | ||||
8295 | if (DevPointersMap.count(VD)) { | ||||
8296 | BasePointers.emplace_back(Arg, VD); | ||||
8297 | Pointers.push_back(Arg); | ||||
8298 | Sizes.push_back( | ||||
8299 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | ||||
8300 | CGF.Int64Ty, /*isSigned=*/true)); | ||||
8301 | Types.push_back(OMP_MAP_LITERAL | OMP_MAP_TARGET_PARAM); | ||||
8302 | return; | ||||
8303 | } | ||||
8304 | |||||
8305 | using MapData = | ||||
8306 | std::tuple<OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
8307 | OpenMPMapClauseKind, ArrayRef<OpenMPMapModifierKind>, bool>; | ||||
8308 | SmallVector<MapData, 4> DeclComponentLists; | ||||
8309 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8310, __PRETTY_FUNCTION__)) | ||||
8310 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8310, __PRETTY_FUNCTION__)); | ||||
8311 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | ||||
8312 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | ||||
8313 | for (const auto L : C->decl_component_lists(VD)) { | ||||
8314 | assert(L.first == VD &&((L.first == VD && "We got information for the wrong declaration??" ) ? static_cast<void> (0) : __assert_fail ("L.first == VD && \"We got information for the wrong declaration??\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8315, __PRETTY_FUNCTION__)) | ||||
8315 | "We got information for the wrong declaration??")((L.first == VD && "We got information for the wrong declaration??" ) ? static_cast<void> (0) : __assert_fail ("L.first == VD && \"We got information for the wrong declaration??\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8315, __PRETTY_FUNCTION__)); | ||||
8316 | assert(!L.second.empty() &&((!L.second.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.second.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8317, __PRETTY_FUNCTION__)) | ||||
8317 | "Not expecting declaration with no component lists.")((!L.second.empty() && "Not expecting declaration with no component lists." ) ? static_cast<void> (0) : __assert_fail ("!L.second.empty() && \"Not expecting declaration with no component lists.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8317, __PRETTY_FUNCTION__)); | ||||
8318 | DeclComponentLists.emplace_back(L.second, C->getMapType(), | ||||
8319 | C->getMapTypeModifiers(), | ||||
8320 | C->isImplicit()); | ||||
8321 | } | ||||
8322 | } | ||||
8323 | |||||
8324 | // Find overlapping elements (including the offset from the base element). | ||||
8325 | llvm::SmallDenseMap< | ||||
8326 | const MapData *, | ||||
8327 | llvm::SmallVector< | ||||
8328 | OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>, | ||||
8329 | 4> | ||||
8330 | OverlappedData; | ||||
8331 | size_t Count = 0; | ||||
8332 | for (const MapData &L : DeclComponentLists) { | ||||
8333 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||
8334 | OpenMPMapClauseKind MapType; | ||||
8335 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||
8336 | bool IsImplicit; | ||||
8337 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | ||||
8338 | ++Count; | ||||
8339 | for (const MapData &L1 : makeArrayRef(DeclComponentLists).slice(Count)) { | ||||
8340 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components1; | ||||
8341 | std::tie(Components1, MapType, MapModifiers, IsImplicit) = L1; | ||||
8342 | auto CI = Components.rbegin(); | ||||
8343 | auto CE = Components.rend(); | ||||
8344 | auto SI = Components1.rbegin(); | ||||
8345 | auto SE = Components1.rend(); | ||||
8346 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||
8347 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
8348 | SI->getAssociatedExpression()->getStmtClass()) | ||||
8349 | break; | ||||
8350 | // Are we dealing with different variables/fields? | ||||
8351 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | ||||
8352 | break; | ||||
8353 | } | ||||
8354 | // Found overlapping if, at least for one component, reached the head of | ||||
8355 | // the components list. | ||||
8356 | if (CI == CE || SI == SE) { | ||||
8357 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8358, __PRETTY_FUNCTION__)) | ||||
8358 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8358, __PRETTY_FUNCTION__)); | ||||
8359 | const MapData &BaseData = CI == CE ? L : L1; | ||||
8360 | OMPClauseMappableExprCommon::MappableExprComponentListRef SubData = | ||||
8361 | SI == SE ? Components : Components1; | ||||
8362 | auto &OverlappedElements = OverlappedData.FindAndConstruct(&BaseData); | ||||
8363 | OverlappedElements.getSecond().push_back(SubData); | ||||
8364 | } | ||||
8365 | } | ||||
8366 | } | ||||
8367 | // Sort the overlapped elements for each item. | ||||
8368 | llvm::SmallVector<const FieldDecl *, 4> Layout; | ||||
8369 | if (!OverlappedData.empty()) { | ||||
8370 | if (const auto *CRD = | ||||
8371 | VD->getType().getCanonicalType()->getAsCXXRecordDecl()) | ||||
| |||||
8372 | getPlainLayout(CRD, Layout, /*AsBase=*/false); | ||||
8373 | else { | ||||
8374 | const auto *RD = VD->getType().getCanonicalType()->getAsRecordDecl(); | ||||
8375 | Layout.append(RD->field_begin(), RD->field_end()); | ||||
8376 | } | ||||
8377 | } | ||||
8378 | for (auto &Pair : OverlappedData) { | ||||
8379 | llvm::sort( | ||||
8380 | Pair.getSecond(), | ||||
8381 | [&Layout]( | ||||
8382 | OMPClauseMappableExprCommon::MappableExprComponentListRef First, | ||||
8383 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
8384 | Second) { | ||||
8385 | auto CI = First.rbegin(); | ||||
8386 | auto CE = First.rend(); | ||||
8387 | auto SI = Second.rbegin(); | ||||
8388 | auto SE = Second.rend(); | ||||
8389 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||
8390 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
8391 | SI->getAssociatedExpression()->getStmtClass()) | ||||
8392 | break; | ||||
8393 | // Are we dealing with different variables/fields? | ||||
8394 | if (CI->getAssociatedDeclaration() != | ||||
8395 | SI->getAssociatedDeclaration()) | ||||
8396 | break; | ||||
8397 | } | ||||
8398 | |||||
8399 | // Lists contain the same elements. | ||||
8400 | if (CI == CE && SI == SE) | ||||
8401 | return false; | ||||
8402 | |||||
8403 | // List with less elements is less than list with more elements. | ||||
8404 | if (CI == CE || SI == SE) | ||||
8405 | return CI == CE; | ||||
8406 | |||||
8407 | const auto *FD1 = cast<FieldDecl>(CI->getAssociatedDeclaration()); | ||||
8408 | const auto *FD2 = cast<FieldDecl>(SI->getAssociatedDeclaration()); | ||||
8409 | if (FD1->getParent() == FD2->getParent()) | ||||
8410 | return FD1->getFieldIndex() < FD2->getFieldIndex(); | ||||
8411 | const auto It = | ||||
8412 | llvm::find_if(Layout, [FD1, FD2](const FieldDecl *FD) { | ||||
8413 | return FD == FD1 || FD == FD2; | ||||
8414 | }); | ||||
8415 | return *It == FD1; | ||||
8416 | }); | ||||
8417 | } | ||||
8418 | |||||
8419 | // Associated with a capture, because the mapping flags depend on it. | ||||
8420 | // Go through all of the elements with the overlapped elements. | ||||
8421 | for (const auto &Pair : OverlappedData) { | ||||
8422 | const MapData &L = *Pair.getFirst(); | ||||
8423 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||
8424 | OpenMPMapClauseKind MapType; | ||||
8425 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||
8426 | bool IsImplicit; | ||||
8427 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | ||||
8428 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | ||||
8429 | OverlappedComponents = Pair.getSecond(); | ||||
8430 | bool IsFirstComponentList = true; | ||||
8431 | generateInfoForComponentList(MapType, MapModifiers, Components, | ||||
8432 | BasePointers, Pointers, Sizes, Types, | ||||
8433 | PartialStruct, IsFirstComponentList, | ||||
8434 | IsImplicit, OverlappedComponents); | ||||
8435 | } | ||||
8436 | // Go through other elements without overlapped elements. | ||||
8437 | bool IsFirstComponentList = OverlappedData.empty(); | ||||
8438 | for (const MapData &L : DeclComponentLists) { | ||||
8439 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | ||||
8440 | OpenMPMapClauseKind MapType; | ||||
8441 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | ||||
8442 | bool IsImplicit; | ||||
8443 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | ||||
8444 | auto It = OverlappedData.find(&L); | ||||
8445 | if (It == OverlappedData.end()) | ||||
8446 | generateInfoForComponentList(MapType, MapModifiers, Components, | ||||
8447 | BasePointers, Pointers, Sizes, Types, | ||||
8448 | PartialStruct, IsFirstComponentList, | ||||
8449 | IsImplicit); | ||||
8450 | IsFirstComponentList = false; | ||||
8451 | } | ||||
8452 | } | ||||
8453 | |||||
8454 | /// Generate the base pointers, section pointers, sizes and map types | ||||
8455 | /// associated with the declare target link variables. | ||||
8456 | void generateInfoForDeclareTargetLink(MapBaseValuesArrayTy &BasePointers, | ||||
8457 | MapValuesArrayTy &Pointers, | ||||
8458 | MapValuesArrayTy &Sizes, | ||||
8459 | MapFlagsArrayTy &Types) const { | ||||
8460 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8461, __PRETTY_FUNCTION__)) | ||||
8461 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8461, __PRETTY_FUNCTION__)); | ||||
8462 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | ||||
8463 | // Map other list items in the map clause which are not captured variables | ||||
8464 | // but "declare target link" global variables. | ||||
8465 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | ||||
8466 | for (const auto L : C->component_lists()) { | ||||
8467 | if (!L.first) | ||||
8468 | continue; | ||||
8469 | const auto *VD = dyn_cast<VarDecl>(L.first); | ||||
8470 | if (!VD) | ||||
8471 | continue; | ||||
8472 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
8473 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
8474 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | ||||
8475 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) | ||||
8476 | continue; | ||||
8477 | StructRangeInfoTy PartialStruct; | ||||
8478 | generateInfoForComponentList( | ||||
8479 | C->getMapType(), C->getMapTypeModifiers(), L.second, BasePointers, | ||||
8480 | Pointers, Sizes, Types, PartialStruct, | ||||
8481 | /*IsFirstComponentList=*/true, C->isImplicit()); | ||||
8482 | assert(!PartialStruct.Base.isValid() &&((!PartialStruct.Base.isValid() && "No partial structs for declare target link expected." ) ? static_cast<void> (0) : __assert_fail ("!PartialStruct.Base.isValid() && \"No partial structs for declare target link expected.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8483, __PRETTY_FUNCTION__)) | ||||
8483 | "No partial structs for declare target link expected.")((!PartialStruct.Base.isValid() && "No partial structs for declare target link expected." ) ? static_cast<void> (0) : __assert_fail ("!PartialStruct.Base.isValid() && \"No partial structs for declare target link expected.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8483, __PRETTY_FUNCTION__)); | ||||
8484 | } | ||||
8485 | } | ||||
8486 | } | ||||
8487 | |||||
8488 | /// Generate the default map information for a given capture \a CI, | ||||
8489 | /// record field declaration \a RI and captured value \a CV. | ||||
8490 | void generateDefaultMapInfo(const CapturedStmt::Capture &CI, | ||||
8491 | const FieldDecl &RI, llvm::Value *CV, | ||||
8492 | MapBaseValuesArrayTy &CurBasePointers, | ||||
8493 | MapValuesArrayTy &CurPointers, | ||||
8494 | MapValuesArrayTy &CurSizes, | ||||
8495 | MapFlagsArrayTy &CurMapTypes) const { | ||||
8496 | bool IsImplicit = true; | ||||
8497 | // Do the default mapping. | ||||
8498 | if (CI.capturesThis()) { | ||||
8499 | CurBasePointers.push_back(CV); | ||||
8500 | CurPointers.push_back(CV); | ||||
8501 | const auto *PtrTy = cast<PointerType>(RI.getType().getTypePtr()); | ||||
8502 | CurSizes.push_back( | ||||
8503 | CGF.Builder.CreateIntCast(CGF.getTypeSize(PtrTy->getPointeeType()), | ||||
8504 | CGF.Int64Ty, /*isSigned=*/true)); | ||||
8505 | // Default map type. | ||||
8506 | CurMapTypes.push_back(OMP_MAP_TO | OMP_MAP_FROM); | ||||
8507 | } else if (CI.capturesVariableByCopy()) { | ||||
8508 | CurBasePointers.push_back(CV); | ||||
8509 | CurPointers.push_back(CV); | ||||
8510 | if (!RI.getType()->isAnyPointerType()) { | ||||
8511 | // We have to signal to the runtime captures passed by value that are | ||||
8512 | // not pointers. | ||||
8513 | CurMapTypes.push_back(OMP_MAP_LITERAL); | ||||
8514 | CurSizes.push_back(CGF.Builder.CreateIntCast( | ||||
8515 | CGF.getTypeSize(RI.getType()), CGF.Int64Ty, /*isSigned=*/true)); | ||||
8516 | } else { | ||||
8517 | // Pointers are implicitly mapped with a zero size and no flags | ||||
8518 | // (other than first map that is added for all implicit maps). | ||||
8519 | CurMapTypes.push_back(OMP_MAP_NONE); | ||||
8520 | CurSizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | ||||
8521 | } | ||||
8522 | const VarDecl *VD = CI.getCapturedVar(); | ||||
8523 | auto I = FirstPrivateDecls.find(VD); | ||||
8524 | if (I != FirstPrivateDecls.end()) | ||||
8525 | IsImplicit = I->getSecond(); | ||||
8526 | } else { | ||||
8527 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8527, __PRETTY_FUNCTION__)); | ||||
8528 | const auto *PtrTy = cast<ReferenceType>(RI.getType().getTypePtr()); | ||||
8529 | QualType ElementType = PtrTy->getPointeeType(); | ||||
8530 | CurSizes.push_back(CGF.Builder.CreateIntCast( | ||||
8531 | CGF.getTypeSize(ElementType), CGF.Int64Ty, /*isSigned=*/true)); | ||||
8532 | // The default map type for a scalar/complex type is 'to' because by | ||||
8533 | // default the value doesn't have to be retrieved. For an aggregate | ||||
8534 | // type, the default is 'tofrom'. | ||||
8535 | CurMapTypes.push_back(getMapModifiersForPrivateClauses(CI)); | ||||
8536 | const VarDecl *VD = CI.getCapturedVar(); | ||||
8537 | auto I = FirstPrivateDecls.find(VD); | ||||
8538 | if (I != FirstPrivateDecls.end() && | ||||
8539 | VD->getType().isConstant(CGF.getContext())) { | ||||
8540 | llvm::Constant *Addr = | ||||
8541 | CGF.CGM.getOpenMPRuntime().registerTargetFirstprivateCopy(CGF, VD); | ||||
8542 | // Copy the value of the original variable to the new global copy. | ||||
8543 | CGF.Builder.CreateMemCpy( | ||||
8544 | CGF.MakeNaturalAlignAddrLValue(Addr, ElementType).getAddress(CGF), | ||||
8545 | Address(CV, CGF.getContext().getTypeAlignInChars(ElementType)), | ||||
8546 | CurSizes.back(), /*IsVolatile=*/false); | ||||
8547 | // Use new global variable as the base pointers. | ||||
8548 | CurBasePointers.push_back(Addr); | ||||
8549 | CurPointers.push_back(Addr); | ||||
8550 | } else { | ||||
8551 | CurBasePointers.push_back(CV); | ||||
8552 | if (I != FirstPrivateDecls.end() && ElementType->isAnyPointerType()) { | ||||
8553 | Address PtrAddr = CGF.EmitLoadOfReference(CGF.MakeAddrLValue( | ||||
8554 | CV, ElementType, CGF.getContext().getDeclAlign(VD), | ||||
8555 | AlignmentSource::Decl)); | ||||
8556 | CurPointers.push_back(PtrAddr.getPointer()); | ||||
8557 | } else { | ||||
8558 | CurPointers.push_back(CV); | ||||
8559 | } | ||||
8560 | } | ||||
8561 | if (I != FirstPrivateDecls.end()) | ||||
8562 | IsImplicit = I->getSecond(); | ||||
8563 | } | ||||
8564 | // Every default map produces a single argument which is a target parameter. | ||||
8565 | CurMapTypes.back() |= OMP_MAP_TARGET_PARAM; | ||||
8566 | |||||
8567 | // Add flag stating this is an implicit map. | ||||
8568 | if (IsImplicit) | ||||
8569 | CurMapTypes.back() |= OMP_MAP_IMPLICIT; | ||||
8570 | } | ||||
8571 | }; | ||||
8572 | } // anonymous namespace | ||||
8573 | |||||
8574 | /// Emit the arrays used to pass the captures and map information to the | ||||
8575 | /// offloading runtime library. If there is no map or capture information, | ||||
8576 | /// return nullptr by reference. | ||||
8577 | static void | ||||
8578 | emitOffloadingArrays(CodeGenFunction &CGF, | ||||
8579 | MappableExprsHandler::MapBaseValuesArrayTy &BasePointers, | ||||
8580 | MappableExprsHandler::MapValuesArrayTy &Pointers, | ||||
8581 | MappableExprsHandler::MapValuesArrayTy &Sizes, | ||||
8582 | MappableExprsHandler::MapFlagsArrayTy &MapTypes, | ||||
8583 | CGOpenMPRuntime::TargetDataInfo &Info) { | ||||
8584 | CodeGenModule &CGM = CGF.CGM; | ||||
8585 | ASTContext &Ctx = CGF.getContext(); | ||||
8586 | |||||
8587 | // Reset the array information. | ||||
8588 | Info.clearArrayInfo(); | ||||
8589 | Info.NumberOfPtrs = BasePointers.size(); | ||||
8590 | |||||
8591 | if (Info.NumberOfPtrs) { | ||||
8592 | // Detect if we have any capture size requiring runtime evaluation of the | ||||
8593 | // size so that a constant array could be eventually used. | ||||
8594 | bool hasRuntimeEvaluationCaptureSize = false; | ||||
8595 | for (llvm::Value *S : Sizes) | ||||
8596 | if (!isa<llvm::Constant>(S)) { | ||||
8597 | hasRuntimeEvaluationCaptureSize = true; | ||||
8598 | break; | ||||
8599 | } | ||||
8600 | |||||
8601 | llvm::APInt PointerNumAP(32, Info.NumberOfPtrs, /*isSigned=*/true); | ||||
8602 | QualType PointerArrayType = Ctx.getConstantArrayType( | ||||
8603 | Ctx.VoidPtrTy, PointerNumAP, nullptr, ArrayType::Normal, | ||||
8604 | /*IndexTypeQuals=*/0); | ||||
8605 | |||||
8606 | Info.BasePointersArray = | ||||
8607 | CGF.CreateMemTemp(PointerArrayType, ".offload_baseptrs").getPointer(); | ||||
8608 | Info.PointersArray = | ||||
8609 | CGF.CreateMemTemp(PointerArrayType, ".offload_ptrs").getPointer(); | ||||
8610 | |||||
8611 | // If we don't have any VLA types or other types that require runtime | ||||
8612 | // evaluation, we can use a constant array for the map sizes, otherwise we | ||||
8613 | // need to fill up the arrays as we do for the pointers. | ||||
8614 | QualType Int64Ty = | ||||
8615 | Ctx.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||
8616 | if (hasRuntimeEvaluationCaptureSize) { | ||||
8617 | QualType SizeArrayType = Ctx.getConstantArrayType( | ||||
8618 | Int64Ty, PointerNumAP, nullptr, ArrayType::Normal, | ||||
8619 | /*IndexTypeQuals=*/0); | ||||
8620 | Info.SizesArray = | ||||
8621 | CGF.CreateMemTemp(SizeArrayType, ".offload_sizes").getPointer(); | ||||
8622 | } else { | ||||
8623 | // We expect all the sizes to be constant, so we collect them to create | ||||
8624 | // a constant array. | ||||
8625 | SmallVector<llvm::Constant *, 16> ConstSizes; | ||||
8626 | for (llvm::Value *S : Sizes) | ||||
8627 | ConstSizes.push_back(cast<llvm::Constant>(S)); | ||||
8628 | |||||
8629 | auto *SizesArrayInit = llvm::ConstantArray::get( | ||||
8630 | llvm::ArrayType::get(CGM.Int64Ty, ConstSizes.size()), ConstSizes); | ||||
8631 | std::string Name = CGM.getOpenMPRuntime().getName({"offload_sizes"}); | ||||
8632 | auto *SizesArrayGbl = new llvm::GlobalVariable( | ||||
8633 | CGM.getModule(), SizesArrayInit->getType(), | ||||
8634 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | ||||
8635 | SizesArrayInit, Name); | ||||
8636 | SizesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | ||||
8637 | Info.SizesArray = SizesArrayGbl; | ||||
8638 | } | ||||
8639 | |||||
8640 | // The map types are always constant so we don't need to generate code to | ||||
8641 | // fill arrays. Instead, we create an array constant. | ||||
8642 | SmallVector<uint64_t, 4> Mapping(MapTypes.size(), 0); | ||||
8643 | llvm::copy(MapTypes, Mapping.begin()); | ||||
8644 | llvm::Constant *MapTypesArrayInit = | ||||
8645 | llvm::ConstantDataArray::get(CGF.Builder.getContext(), Mapping); | ||||
8646 | std::string MaptypesName = | ||||
8647 | CGM.getOpenMPRuntime().getName({"offload_maptypes"}); | ||||
8648 | auto *MapTypesArrayGbl = new llvm::GlobalVariable( | ||||
8649 | CGM.getModule(), MapTypesArrayInit->getType(), | ||||
8650 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | ||||
8651 | MapTypesArrayInit, MaptypesName); | ||||
8652 | MapTypesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | ||||
8653 | Info.MapTypesArray = MapTypesArrayGbl; | ||||
8654 | |||||
8655 | for (unsigned I = 0; I < Info.NumberOfPtrs; ++I) { | ||||
8656 | llvm::Value *BPVal = *BasePointers[I]; | ||||
8657 | llvm::Value *BP = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8658 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||
8659 | Info.BasePointersArray, 0, I); | ||||
8660 | BP = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
8661 | BP, BPVal->getType()->getPointerTo(/*AddrSpace=*/0)); | ||||
8662 | Address BPAddr(BP, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | ||||
8663 | CGF.Builder.CreateStore(BPVal, BPAddr); | ||||
8664 | |||||
8665 | if (Info.requiresDevicePointerInfo()) | ||||
8666 | if (const ValueDecl *DevVD = BasePointers[I].getDevicePtrDecl()) | ||||
8667 | Info.CaptureDeviceAddrMap.try_emplace(DevVD, BPAddr); | ||||
8668 | |||||
8669 | llvm::Value *PVal = Pointers[I]; | ||||
8670 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8671 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||
8672 | Info.PointersArray, 0, I); | ||||
8673 | P = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
8674 | P, PVal->getType()->getPointerTo(/*AddrSpace=*/0)); | ||||
8675 | Address PAddr(P, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | ||||
8676 | CGF.Builder.CreateStore(PVal, PAddr); | ||||
8677 | |||||
8678 | if (hasRuntimeEvaluationCaptureSize) { | ||||
8679 | llvm::Value *S = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8680 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | ||||
8681 | Info.SizesArray, | ||||
8682 | /*Idx0=*/0, | ||||
8683 | /*Idx1=*/I); | ||||
8684 | Address SAddr(S, Ctx.getTypeAlignInChars(Int64Ty)); | ||||
8685 | CGF.Builder.CreateStore( | ||||
8686 | CGF.Builder.CreateIntCast(Sizes[I], CGM.Int64Ty, /*isSigned=*/true), | ||||
8687 | SAddr); | ||||
8688 | } | ||||
8689 | } | ||||
8690 | } | ||||
8691 | } | ||||
8692 | |||||
8693 | /// Emit the arguments to be passed to the runtime library based on the | ||||
8694 | /// arrays of pointers, sizes and map types. | ||||
8695 | static void emitOffloadingArraysArgument( | ||||
8696 | CodeGenFunction &CGF, llvm::Value *&BasePointersArrayArg, | ||||
8697 | llvm::Value *&PointersArrayArg, llvm::Value *&SizesArrayArg, | ||||
8698 | llvm::Value *&MapTypesArrayArg, CGOpenMPRuntime::TargetDataInfo &Info) { | ||||
8699 | CodeGenModule &CGM = CGF.CGM; | ||||
8700 | if (Info.NumberOfPtrs) { | ||||
8701 | BasePointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8702 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||
8703 | Info.BasePointersArray, | ||||
8704 | /*Idx0=*/0, /*Idx1=*/0); | ||||
8705 | PointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8706 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | ||||
8707 | Info.PointersArray, | ||||
8708 | /*Idx0=*/0, | ||||
8709 | /*Idx1=*/0); | ||||
8710 | SizesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8711 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), Info.SizesArray, | ||||
8712 | /*Idx0=*/0, /*Idx1=*/0); | ||||
8713 | MapTypesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | ||||
8714 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | ||||
8715 | Info.MapTypesArray, | ||||
8716 | /*Idx0=*/0, | ||||
8717 | /*Idx1=*/0); | ||||
8718 | } else { | ||||
8719 | BasePointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | ||||
8720 | PointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | ||||
8721 | SizesArrayArg = llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | ||||
8722 | MapTypesArrayArg = | ||||
8723 | llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | ||||
8724 | } | ||||
8725 | } | ||||
8726 | |||||
8727 | /// Check for inner distribute directive. | ||||
8728 | static const OMPExecutableDirective * | ||||
8729 | getNestedDistributeDirective(ASTContext &Ctx, const OMPExecutableDirective &D) { | ||||
8730 | const auto *CS = D.getInnermostCapturedStmt(); | ||||
8731 | const auto *Body = | ||||
8732 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||
8733 | const Stmt *ChildStmt = | ||||
8734 | CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | ||||
8735 | |||||
8736 | if (const auto *NestedDir = | ||||
8737 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||
8738 | OpenMPDirectiveKind DKind = NestedDir->getDirectiveKind(); | ||||
8739 | switch (D.getDirectiveKind()) { | ||||
8740 | case OMPD_target: | ||||
8741 | if (isOpenMPDistributeDirective(DKind)) | ||||
8742 | return NestedDir; | ||||
8743 | if (DKind == OMPD_teams) { | ||||
8744 | Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers( | ||||
8745 | /*IgnoreCaptured=*/true); | ||||
8746 | if (!Body) | ||||
8747 | return nullptr; | ||||
8748 | ChildStmt = CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | ||||
8749 | if (const auto *NND = | ||||
8750 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | ||||
8751 | DKind = NND->getDirectiveKind(); | ||||
8752 | if (isOpenMPDistributeDirective(DKind)) | ||||
8753 | return NND; | ||||
8754 | } | ||||
8755 | } | ||||
8756 | return nullptr; | ||||
8757 | case OMPD_target_teams: | ||||
8758 | if (isOpenMPDistributeDirective(DKind)) | ||||
8759 | return NestedDir; | ||||
8760 | return nullptr; | ||||
8761 | case OMPD_target_parallel: | ||||
8762 | case OMPD_target_simd: | ||||
8763 | case OMPD_target_parallel_for: | ||||
8764 | case OMPD_target_parallel_for_simd: | ||||
8765 | return nullptr; | ||||
8766 | case OMPD_target_teams_distribute: | ||||
8767 | case OMPD_target_teams_distribute_simd: | ||||
8768 | case OMPD_target_teams_distribute_parallel_for: | ||||
8769 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
8770 | case OMPD_parallel: | ||||
8771 | case OMPD_for: | ||||
8772 | case OMPD_parallel_for: | ||||
8773 | case OMPD_parallel_master: | ||||
8774 | case OMPD_parallel_sections: | ||||
8775 | case OMPD_for_simd: | ||||
8776 | case OMPD_parallel_for_simd: | ||||
8777 | case OMPD_cancel: | ||||
8778 | case OMPD_cancellation_point: | ||||
8779 | case OMPD_ordered: | ||||
8780 | case OMPD_threadprivate: | ||||
8781 | case OMPD_allocate: | ||||
8782 | case OMPD_task: | ||||
8783 | case OMPD_simd: | ||||
8784 | case OMPD_sections: | ||||
8785 | case OMPD_section: | ||||
8786 | case OMPD_single: | ||||
8787 | case OMPD_master: | ||||
8788 | case OMPD_critical: | ||||
8789 | case OMPD_taskyield: | ||||
8790 | case OMPD_barrier: | ||||
8791 | case OMPD_taskwait: | ||||
8792 | case OMPD_taskgroup: | ||||
8793 | case OMPD_atomic: | ||||
8794 | case OMPD_flush: | ||||
8795 | case OMPD_teams: | ||||
8796 | case OMPD_target_data: | ||||
8797 | case OMPD_target_exit_data: | ||||
8798 | case OMPD_target_enter_data: | ||||
8799 | case OMPD_distribute: | ||||
8800 | case OMPD_distribute_simd: | ||||
8801 | case OMPD_distribute_parallel_for: | ||||
8802 | case OMPD_distribute_parallel_for_simd: | ||||
8803 | case OMPD_teams_distribute: | ||||
8804 | case OMPD_teams_distribute_simd: | ||||
8805 | case OMPD_teams_distribute_parallel_for: | ||||
8806 | case OMPD_teams_distribute_parallel_for_simd: | ||||
8807 | case OMPD_target_update: | ||||
8808 | case OMPD_declare_simd: | ||||
8809 | case OMPD_declare_variant: | ||||
8810 | case OMPD_declare_target: | ||||
8811 | case OMPD_end_declare_target: | ||||
8812 | case OMPD_declare_reduction: | ||||
8813 | case OMPD_declare_mapper: | ||||
8814 | case OMPD_taskloop: | ||||
8815 | case OMPD_taskloop_simd: | ||||
8816 | case OMPD_master_taskloop: | ||||
8817 | case OMPD_master_taskloop_simd: | ||||
8818 | case OMPD_parallel_master_taskloop: | ||||
8819 | case OMPD_parallel_master_taskloop_simd: | ||||
8820 | case OMPD_requires: | ||||
8821 | case OMPD_unknown: | ||||
8822 | llvm_unreachable("Unexpected directive.")::llvm::llvm_unreachable_internal("Unexpected directive.", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8822); | ||||
8823 | } | ||||
8824 | } | ||||
8825 | |||||
8826 | return nullptr; | ||||
8827 | } | ||||
8828 | |||||
8829 | /// Emit the user-defined mapper function. The code generation follows the | ||||
8830 | /// pattern in the example below. | ||||
8831 | /// \code | ||||
8832 | /// void .omp_mapper.<type_name>.<mapper_id>.(void *rt_mapper_handle, | ||||
8833 | /// void *base, void *begin, | ||||
8834 | /// int64_t size, int64_t type) { | ||||
8835 | /// // Allocate space for an array section first. | ||||
8836 | /// if (size > 1 && !maptype.IsDelete) | ||||
8837 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | ||||
8838 | /// size*sizeof(Ty), clearToFrom(type)); | ||||
8839 | /// // Map members. | ||||
8840 | /// for (unsigned i = 0; i < size; i++) { | ||||
8841 | /// // For each component specified by this mapper: | ||||
8842 | /// for (auto c : all_components) { | ||||
8843 | /// if (c.hasMapper()) | ||||
8844 | /// (*c.Mapper())(rt_mapper_handle, c.arg_base, c.arg_begin, c.arg_size, | ||||
8845 | /// c.arg_type); | ||||
8846 | /// else | ||||
8847 | /// __tgt_push_mapper_component(rt_mapper_handle, c.arg_base, | ||||
8848 | /// c.arg_begin, c.arg_size, c.arg_type); | ||||
8849 | /// } | ||||
8850 | /// } | ||||
8851 | /// // Delete the array section. | ||||
8852 | /// if (size > 1 && maptype.IsDelete) | ||||
8853 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | ||||
8854 | /// size*sizeof(Ty), clearToFrom(type)); | ||||
8855 | /// } | ||||
8856 | /// \endcode | ||||
8857 | void CGOpenMPRuntime::emitUserDefinedMapper(const OMPDeclareMapperDecl *D, | ||||
8858 | CodeGenFunction *CGF) { | ||||
8859 | if (UDMMap.count(D) > 0) | ||||
8860 | return; | ||||
8861 | ASTContext &C = CGM.getContext(); | ||||
8862 | QualType Ty = D->getType(); | ||||
8863 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | ||||
8864 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | ||||
8865 | auto *MapperVarDecl = | ||||
8866 | cast<VarDecl>(cast<DeclRefExpr>(D->getMapperVarRef())->getDecl()); | ||||
8867 | SourceLocation Loc = D->getLocation(); | ||||
8868 | CharUnits ElementSize = C.getTypeSizeInChars(Ty); | ||||
8869 | |||||
8870 | // Prepare mapper function arguments and attributes. | ||||
8871 | ImplicitParamDecl HandleArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
8872 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||
8873 | ImplicitParamDecl BaseArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | ||||
8874 | ImplicitParamDecl::Other); | ||||
8875 | ImplicitParamDecl BeginArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | ||||
8876 | C.VoidPtrTy, ImplicitParamDecl::Other); | ||||
8877 | ImplicitParamDecl SizeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | ||||
8878 | ImplicitParamDecl::Other); | ||||
8879 | ImplicitParamDecl TypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | ||||
8880 | ImplicitParamDecl::Other); | ||||
8881 | FunctionArgList Args; | ||||
8882 | Args.push_back(&HandleArg); | ||||
8883 | Args.push_back(&BaseArg); | ||||
8884 | Args.push_back(&BeginArg); | ||||
8885 | Args.push_back(&SizeArg); | ||||
8886 | Args.push_back(&TypeArg); | ||||
8887 | const CGFunctionInfo &FnInfo = | ||||
8888 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | ||||
8889 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | ||||
8890 | SmallString<64> TyStr; | ||||
8891 | llvm::raw_svector_ostream Out(TyStr); | ||||
8892 | CGM.getCXXABI().getMangleContext().mangleTypeName(Ty, Out); | ||||
8893 | std::string Name = getName({"omp_mapper", TyStr, D->getName()}); | ||||
8894 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | ||||
8895 | Name, &CGM.getModule()); | ||||
8896 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | ||||
8897 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | ||||
8898 | // Start the mapper function code generation. | ||||
8899 | CodeGenFunction MapperCGF(CGM); | ||||
8900 | MapperCGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | ||||
8901 | // Compute the starting and end addreses of array elements. | ||||
8902 | llvm::Value *Size = MapperCGF.EmitLoadOfScalar( | ||||
8903 | MapperCGF.GetAddrOfLocalVar(&SizeArg), /*Volatile=*/false, | ||||
8904 | C.getPointerType(Int64Ty), Loc); | ||||
8905 | llvm::Value *PtrBegin = MapperCGF.Builder.CreateBitCast( | ||||
8906 | MapperCGF.GetAddrOfLocalVar(&BeginArg).getPointer(), | ||||
8907 | CGM.getTypes().ConvertTypeForMem(C.getPointerType(PtrTy))); | ||||
8908 | llvm::Value *PtrEnd = MapperCGF.Builder.CreateGEP(PtrBegin, Size); | ||||
8909 | llvm::Value *MapType = MapperCGF.EmitLoadOfScalar( | ||||
8910 | MapperCGF.GetAddrOfLocalVar(&TypeArg), /*Volatile=*/false, | ||||
8911 | C.getPointerType(Int64Ty), Loc); | ||||
8912 | // Prepare common arguments for array initiation and deletion. | ||||
8913 | llvm::Value *Handle = MapperCGF.EmitLoadOfScalar( | ||||
8914 | MapperCGF.GetAddrOfLocalVar(&HandleArg), | ||||
8915 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||
8916 | llvm::Value *BaseIn = MapperCGF.EmitLoadOfScalar( | ||||
8917 | MapperCGF.GetAddrOfLocalVar(&BaseArg), | ||||
8918 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||
8919 | llvm::Value *BeginIn = MapperCGF.EmitLoadOfScalar( | ||||
8920 | MapperCGF.GetAddrOfLocalVar(&BeginArg), | ||||
8921 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | ||||
8922 | |||||
8923 | // Emit array initiation if this is an array section and \p MapType indicates | ||||
8924 | // that memory allocation is required. | ||||
8925 | llvm::BasicBlock *HeadBB = MapperCGF.createBasicBlock("omp.arraymap.head"); | ||||
8926 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | ||||
8927 | ElementSize, HeadBB, /*IsInit=*/true); | ||||
8928 | |||||
8929 | // Emit a for loop to iterate through SizeArg of elements and map all of them. | ||||
8930 | |||||
8931 | // Emit the loop header block. | ||||
8932 | MapperCGF.EmitBlock(HeadBB); | ||||
8933 | llvm::BasicBlock *BodyBB = MapperCGF.createBasicBlock("omp.arraymap.body"); | ||||
8934 | llvm::BasicBlock *DoneBB = MapperCGF.createBasicBlock("omp.done"); | ||||
8935 | // Evaluate whether the initial condition is satisfied. | ||||
8936 | llvm::Value *IsEmpty = | ||||
8937 | MapperCGF.Builder.CreateICmpEQ(PtrBegin, PtrEnd, "omp.arraymap.isempty"); | ||||
8938 | MapperCGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | ||||
8939 | llvm::BasicBlock *EntryBB = MapperCGF.Builder.GetInsertBlock(); | ||||
8940 | |||||
8941 | // Emit the loop body block. | ||||
8942 | MapperCGF.EmitBlock(BodyBB); | ||||
8943 | llvm::PHINode *PtrPHI = MapperCGF.Builder.CreatePHI( | ||||
8944 | PtrBegin->getType(), 2, "omp.arraymap.ptrcurrent"); | ||||
8945 | PtrPHI->addIncoming(PtrBegin, EntryBB); | ||||
8946 | Address PtrCurrent = | ||||
8947 | Address(PtrPHI, MapperCGF.GetAddrOfLocalVar(&BeginArg) | ||||
8948 | .getAlignment() | ||||
8949 | .alignmentOfArrayElement(ElementSize)); | ||||
8950 | // Privatize the declared variable of mapper to be the current array element. | ||||
8951 | CodeGenFunction::OMPPrivateScope Scope(MapperCGF); | ||||
8952 | Scope.addPrivate(MapperVarDecl, [&MapperCGF, PtrCurrent, PtrTy]() { | ||||
8953 | return MapperCGF | ||||
8954 | .EmitLoadOfPointerLValue(PtrCurrent, PtrTy->castAs<PointerType>()) | ||||
8955 | .getAddress(MapperCGF); | ||||
8956 | }); | ||||
8957 | (void)Scope.Privatize(); | ||||
8958 | |||||
8959 | // Get map clause information. Fill up the arrays with all mapped variables. | ||||
8960 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | ||||
8961 | MappableExprsHandler::MapValuesArrayTy Pointers; | ||||
8962 | MappableExprsHandler::MapValuesArrayTy Sizes; | ||||
8963 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | ||||
8964 | MappableExprsHandler MEHandler(*D, MapperCGF); | ||||
8965 | MEHandler.generateAllInfoForMapper(BasePointers, Pointers, Sizes, MapTypes); | ||||
8966 | |||||
8967 | // Call the runtime API __tgt_mapper_num_components to get the number of | ||||
8968 | // pre-existing components. | ||||
8969 | llvm::Value *OffloadingArgs[] = {Handle}; | ||||
8970 | llvm::Value *PreviousSize = MapperCGF.EmitRuntimeCall( | ||||
8971 | createRuntimeFunction(OMPRTL__tgt_mapper_num_components), OffloadingArgs); | ||||
8972 | llvm::Value *ShiftedPreviousSize = MapperCGF.Builder.CreateShl( | ||||
8973 | PreviousSize, | ||||
8974 | MapperCGF.Builder.getInt64(MappableExprsHandler::getFlagMemberOffset())); | ||||
8975 | |||||
8976 | // Fill up the runtime mapper handle for all components. | ||||
8977 | for (unsigned I = 0; I < BasePointers.size(); ++I) { | ||||
8978 | llvm::Value *CurBaseArg = MapperCGF.Builder.CreateBitCast( | ||||
8979 | *BasePointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | ||||
8980 | llvm::Value *CurBeginArg = MapperCGF.Builder.CreateBitCast( | ||||
8981 | Pointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | ||||
8982 | llvm::Value *CurSizeArg = Sizes[I]; | ||||
8983 | |||||
8984 | // Extract the MEMBER_OF field from the map type. | ||||
8985 | llvm::BasicBlock *MemberBB = MapperCGF.createBasicBlock("omp.member"); | ||||
8986 | MapperCGF.EmitBlock(MemberBB); | ||||
8987 | llvm::Value *OriMapType = MapperCGF.Builder.getInt64(MapTypes[I]); | ||||
8988 | llvm::Value *Member = MapperCGF.Builder.CreateAnd( | ||||
8989 | OriMapType, | ||||
8990 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_MEMBER_OF)); | ||||
8991 | llvm::BasicBlock *MemberCombineBB = | ||||
8992 | MapperCGF.createBasicBlock("omp.member.combine"); | ||||
8993 | llvm::BasicBlock *TypeBB = MapperCGF.createBasicBlock("omp.type"); | ||||
8994 | llvm::Value *IsMember = MapperCGF.Builder.CreateIsNull(Member); | ||||
8995 | MapperCGF.Builder.CreateCondBr(IsMember, TypeBB, MemberCombineBB); | ||||
8996 | // Add the number of pre-existing components to the MEMBER_OF field if it | ||||
8997 | // is valid. | ||||
8998 | MapperCGF.EmitBlock(MemberCombineBB); | ||||
8999 | llvm::Value *CombinedMember = | ||||
9000 | MapperCGF.Builder.CreateNUWAdd(OriMapType, ShiftedPreviousSize); | ||||
9001 | // Do nothing if it is not a member of previous components. | ||||
9002 | MapperCGF.EmitBlock(TypeBB); | ||||
9003 | llvm::PHINode *MemberMapType = | ||||
9004 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.membermaptype"); | ||||
9005 | MemberMapType->addIncoming(OriMapType, MemberBB); | ||||
9006 | MemberMapType->addIncoming(CombinedMember, MemberCombineBB); | ||||
9007 | |||||
9008 | // Combine the map type inherited from user-defined mapper with that | ||||
9009 | // specified in the program. According to the OMP_MAP_TO and OMP_MAP_FROM | ||||
9010 | // bits of the \a MapType, which is the input argument of the mapper | ||||
9011 | // function, the following code will set the OMP_MAP_TO and OMP_MAP_FROM | ||||
9012 | // bits of MemberMapType. | ||||
9013 | // [OpenMP 5.0], 1.2.6. map-type decay. | ||||
9014 | // | alloc | to | from | tofrom | release | delete | ||||
9015 | // ---------------------------------------------------------- | ||||
9016 | // alloc | alloc | alloc | alloc | alloc | release | delete | ||||
9017 | // to | alloc | to | alloc | to | release | delete | ||||
9018 | // from | alloc | alloc | from | from | release | delete | ||||
9019 | // tofrom | alloc | to | from | tofrom | release | delete | ||||
9020 | llvm::Value *LeftToFrom = MapperCGF.Builder.CreateAnd( | ||||
9021 | MapType, | ||||
9022 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO | | ||||
9023 | MappableExprsHandler::OMP_MAP_FROM)); | ||||
9024 | llvm::BasicBlock *AllocBB = MapperCGF.createBasicBlock("omp.type.alloc"); | ||||
9025 | llvm::BasicBlock *AllocElseBB = | ||||
9026 | MapperCGF.createBasicBlock("omp.type.alloc.else"); | ||||
9027 | llvm::BasicBlock *ToBB = MapperCGF.createBasicBlock("omp.type.to"); | ||||
9028 | llvm::BasicBlock *ToElseBB = MapperCGF.createBasicBlock("omp.type.to.else"); | ||||
9029 | llvm::BasicBlock *FromBB = MapperCGF.createBasicBlock("omp.type.from"); | ||||
9030 | llvm::BasicBlock *EndBB = MapperCGF.createBasicBlock("omp.type.end"); | ||||
9031 | llvm::Value *IsAlloc = MapperCGF.Builder.CreateIsNull(LeftToFrom); | ||||
9032 | MapperCGF.Builder.CreateCondBr(IsAlloc, AllocBB, AllocElseBB); | ||||
9033 | // In case of alloc, clear OMP_MAP_TO and OMP_MAP_FROM. | ||||
9034 | MapperCGF.EmitBlock(AllocBB); | ||||
9035 | llvm::Value *AllocMapType = MapperCGF.Builder.CreateAnd( | ||||
9036 | MemberMapType, | ||||
9037 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | ||||
9038 | MappableExprsHandler::OMP_MAP_FROM))); | ||||
9039 | MapperCGF.Builder.CreateBr(EndBB); | ||||
9040 | MapperCGF.EmitBlock(AllocElseBB); | ||||
9041 | llvm::Value *IsTo = MapperCGF.Builder.CreateICmpEQ( | ||||
9042 | LeftToFrom, | ||||
9043 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO)); | ||||
9044 | MapperCGF.Builder.CreateCondBr(IsTo, ToBB, ToElseBB); | ||||
9045 | // In case of to, clear OMP_MAP_FROM. | ||||
9046 | MapperCGF.EmitBlock(ToBB); | ||||
9047 | llvm::Value *ToMapType = MapperCGF.Builder.CreateAnd( | ||||
9048 | MemberMapType, | ||||
9049 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_FROM)); | ||||
9050 | MapperCGF.Builder.CreateBr(EndBB); | ||||
9051 | MapperCGF.EmitBlock(ToElseBB); | ||||
9052 | llvm::Value *IsFrom = MapperCGF.Builder.CreateICmpEQ( | ||||
9053 | LeftToFrom, | ||||
9054 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_FROM)); | ||||
9055 | MapperCGF.Builder.CreateCondBr(IsFrom, FromBB, EndBB); | ||||
9056 | // In case of from, clear OMP_MAP_TO. | ||||
9057 | MapperCGF.EmitBlock(FromBB); | ||||
9058 | llvm::Value *FromMapType = MapperCGF.Builder.CreateAnd( | ||||
9059 | MemberMapType, | ||||
9060 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_TO)); | ||||
9061 | // In case of tofrom, do nothing. | ||||
9062 | MapperCGF.EmitBlock(EndBB); | ||||
9063 | llvm::PHINode *CurMapType = | ||||
9064 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.maptype"); | ||||
9065 | CurMapType->addIncoming(AllocMapType, AllocBB); | ||||
9066 | CurMapType->addIncoming(ToMapType, ToBB); | ||||
9067 | CurMapType->addIncoming(FromMapType, FromBB); | ||||
9068 | CurMapType->addIncoming(MemberMapType, ToElseBB); | ||||
9069 | |||||
9070 | // TODO: call the corresponding mapper function if a user-defined mapper is | ||||
9071 | // associated with this map clause. | ||||
9072 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | ||||
9073 | // data structure. | ||||
9074 | llvm::Value *OffloadingArgs[] = {Handle, CurBaseArg, CurBeginArg, | ||||
9075 | CurSizeArg, CurMapType}; | ||||
9076 | MapperCGF.EmitRuntimeCall( | ||||
9077 | createRuntimeFunction(OMPRTL__tgt_push_mapper_component), | ||||
9078 | OffloadingArgs); | ||||
9079 | } | ||||
9080 | |||||
9081 | // Update the pointer to point to the next element that needs to be mapped, | ||||
9082 | // and check whether we have mapped all elements. | ||||
9083 | llvm::Value *PtrNext = MapperCGF.Builder.CreateConstGEP1_32( | ||||
9084 | PtrPHI, /*Idx0=*/1, "omp.arraymap.next"); | ||||
9085 | PtrPHI->addIncoming(PtrNext, BodyBB); | ||||
9086 | llvm::Value *IsDone = | ||||
9087 | MapperCGF.Builder.CreateICmpEQ(PtrNext, PtrEnd, "omp.arraymap.isdone"); | ||||
9088 | llvm::BasicBlock *ExitBB = MapperCGF.createBasicBlock("omp.arraymap.exit"); | ||||
9089 | MapperCGF.Builder.CreateCondBr(IsDone, ExitBB, BodyBB); | ||||
9090 | |||||
9091 | MapperCGF.EmitBlock(ExitBB); | ||||
9092 | // Emit array deletion if this is an array section and \p MapType indicates | ||||
9093 | // that deletion is required. | ||||
9094 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | ||||
9095 | ElementSize, DoneBB, /*IsInit=*/false); | ||||
9096 | |||||
9097 | // Emit the function exit block. | ||||
9098 | MapperCGF.EmitBlock(DoneBB, /*IsFinished=*/true); | ||||
9099 | MapperCGF.FinishFunction(); | ||||
9100 | UDMMap.try_emplace(D, Fn); | ||||
9101 | if (CGF) { | ||||
9102 | auto &Decls = FunctionUDMMap.FindAndConstruct(CGF->CurFn); | ||||
9103 | Decls.second.push_back(D); | ||||
9104 | } | ||||
9105 | } | ||||
9106 | |||||
9107 | /// Emit the array initialization or deletion portion for user-defined mapper | ||||
9108 | /// code generation. First, it evaluates whether an array section is mapped and | ||||
9109 | /// whether the \a MapType instructs to delete this section. If \a IsInit is | ||||
9110 | /// true, and \a MapType indicates to not delete this array, array | ||||
9111 | /// initialization code is generated. If \a IsInit is false, and \a MapType | ||||
9112 | /// indicates to not this array, array deletion code is generated. | ||||
9113 | void CGOpenMPRuntime::emitUDMapperArrayInitOrDel( | ||||
9114 | CodeGenFunction &MapperCGF, llvm::Value *Handle, llvm::Value *Base, | ||||
9115 | llvm::Value *Begin, llvm::Value *Size, llvm::Value *MapType, | ||||
9116 | CharUnits ElementSize, llvm::BasicBlock *ExitBB, bool IsInit) { | ||||
9117 | StringRef Prefix = IsInit ? ".init" : ".del"; | ||||
9118 | |||||
9119 | // Evaluate if this is an array section. | ||||
9120 | llvm::BasicBlock *IsDeleteBB = | ||||
9121 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix, ".evaldelete"})); | ||||
9122 | llvm::BasicBlock *BodyBB = | ||||
9123 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix})); | ||||
9124 | llvm::Value *IsArray = MapperCGF.Builder.CreateICmpSGE( | ||||
9125 | Size, MapperCGF.Builder.getInt64(1), "omp.arrayinit.isarray"); | ||||
9126 | MapperCGF.Builder.CreateCondBr(IsArray, IsDeleteBB, ExitBB); | ||||
9127 | |||||
9128 | // Evaluate if we are going to delete this section. | ||||
9129 | MapperCGF.EmitBlock(IsDeleteBB); | ||||
9130 | llvm::Value *DeleteBit = MapperCGF.Builder.CreateAnd( | ||||
9131 | MapType, | ||||
9132 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_DELETE)); | ||||
9133 | llvm::Value *DeleteCond; | ||||
9134 | if (IsInit) { | ||||
9135 | DeleteCond = MapperCGF.Builder.CreateIsNull( | ||||
9136 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | ||||
9137 | } else { | ||||
9138 | DeleteCond = MapperCGF.Builder.CreateIsNotNull( | ||||
9139 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | ||||
9140 | } | ||||
9141 | MapperCGF.Builder.CreateCondBr(DeleteCond, BodyBB, ExitBB); | ||||
9142 | |||||
9143 | MapperCGF.EmitBlock(BodyBB); | ||||
9144 | // Get the array size by multiplying element size and element number (i.e., \p | ||||
9145 | // Size). | ||||
9146 | llvm::Value *ArraySize = MapperCGF.Builder.CreateNUWMul( | ||||
9147 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | ||||
9148 | // Remove OMP_MAP_TO and OMP_MAP_FROM from the map type, so that it achieves | ||||
9149 | // memory allocation/deletion purpose only. | ||||
9150 | llvm::Value *MapTypeArg = MapperCGF.Builder.CreateAnd( | ||||
9151 | MapType, | ||||
9152 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | ||||
9153 | MappableExprsHandler::OMP_MAP_FROM))); | ||||
9154 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | ||||
9155 | // data structure. | ||||
9156 | llvm::Value *OffloadingArgs[] = {Handle, Base, Begin, ArraySize, MapTypeArg}; | ||||
9157 | MapperCGF.EmitRuntimeCall( | ||||
9158 | createRuntimeFunction(OMPRTL__tgt_push_mapper_component), OffloadingArgs); | ||||
9159 | } | ||||
9160 | |||||
9161 | void CGOpenMPRuntime::emitTargetNumIterationsCall( | ||||
9162 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||
9163 | llvm::Value *DeviceID, | ||||
9164 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||
9165 | const OMPLoopDirective &D)> | ||||
9166 | SizeEmitter) { | ||||
9167 | OpenMPDirectiveKind Kind = D.getDirectiveKind(); | ||||
9168 | const OMPExecutableDirective *TD = &D; | ||||
9169 | // Get nested teams distribute kind directive, if any. | ||||
9170 | if (!isOpenMPDistributeDirective(Kind) || !isOpenMPTeamsDirective(Kind)) | ||||
9171 | TD = getNestedDistributeDirective(CGM.getContext(), D); | ||||
9172 | if (!TD) | ||||
9173 | return; | ||||
9174 | const auto *LD = cast<OMPLoopDirective>(TD); | ||||
9175 | auto &&CodeGen = [LD, DeviceID, SizeEmitter, this](CodeGenFunction &CGF, | ||||
9176 | PrePostActionTy &) { | ||||
9177 | if (llvm::Value *NumIterations = SizeEmitter(CGF, *LD)) { | ||||
9178 | llvm::Value *Args[] = {DeviceID, NumIterations}; | ||||
9179 | CGF.EmitRuntimeCall( | ||||
9180 | createRuntimeFunction(OMPRTL__kmpc_push_target_tripcount), Args); | ||||
9181 | } | ||||
9182 | }; | ||||
9183 | emitInlinedDirective(CGF, OMPD_unknown, CodeGen); | ||||
9184 | } | ||||
9185 | |||||
9186 | void CGOpenMPRuntime::emitTargetCall( | ||||
9187 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||
9188 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | ||||
9189 | const Expr *Device, | ||||
9190 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||
9191 | const OMPLoopDirective &D)> | ||||
9192 | SizeEmitter) { | ||||
9193 | if (!CGF.HaveInsertPoint()) | ||||
| |||||
9194 | return; | ||||
9195 | |||||
9196 | assert(OutlinedFn && "Invalid outlined function!")((OutlinedFn && "Invalid outlined function!") ? static_cast <void> (0) : __assert_fail ("OutlinedFn && \"Invalid outlined function!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9196, __PRETTY_FUNCTION__)); | ||||
9197 | |||||
9198 | const bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>(); | ||||
9199 | llvm::SmallVector<llvm::Value *, 16> CapturedVars; | ||||
9200 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | ||||
9201 | auto &&ArgsCodegen = [&CS, &CapturedVars](CodeGenFunction &CGF, | ||||
9202 | PrePostActionTy &) { | ||||
9203 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | ||||
9204 | }; | ||||
9205 | emitInlinedDirective(CGF, OMPD_unknown, ArgsCodegen); | ||||
9206 | |||||
9207 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||
9208 | llvm::Value *MapTypesArray = nullptr; | ||||
9209 | // Fill up the pointer arrays and transfer execution to the device. | ||||
9210 | auto &&ThenGen = [this, Device, OutlinedFn, OutlinedFnID, &D, &InputInfo, | ||||
9211 | &MapTypesArray, &CS, RequiresOuterTask, &CapturedVars, | ||||
9212 | SizeEmitter](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
9213 | // On top of the arrays that were filled up, the target offloading call | ||||
9214 | // takes as arguments the device id as well as the host pointer. The host | ||||
9215 | // pointer is used by the runtime library to identify the current target | ||||
9216 | // region, so it only has to be unique and not necessarily point to | ||||
9217 | // anything. It could be the pointer to the outlined function that | ||||
9218 | // implements the target region, but we aren't using that so that the | ||||
9219 | // compiler doesn't need to keep that, and could therefore inline the host | ||||
9220 | // function if proven worthwhile during optimization. | ||||
9221 | |||||
9222 | // From this point on, we need to have an ID of the target region defined. | ||||
9223 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9223, __PRETTY_FUNCTION__)); | ||||
9224 | |||||
9225 | // Emit device ID if any. | ||||
9226 | llvm::Value *DeviceID; | ||||
9227 | if (Device) { | ||||
9228 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||
9229 | CGF.Int64Ty, /*isSigned=*/true); | ||||
9230 | } else { | ||||
9231 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||
9232 | } | ||||
9233 | |||||
9234 | // Emit the number of elements in the offloading arrays. | ||||
9235 | llvm::Value *PointerNum = | ||||
9236 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | ||||
9237 | |||||
9238 | // Return value of the runtime offloading call. | ||||
9239 | llvm::Value *Return; | ||||
9240 | |||||
9241 | llvm::Value *NumTeams = emitNumTeamsForTargetDirective(CGF, D); | ||||
9242 | llvm::Value *NumThreads = emitNumThreadsForTargetDirective(CGF, D); | ||||
9243 | |||||
9244 | // Emit tripcount for the target loop-based directive. | ||||
9245 | emitTargetNumIterationsCall(CGF, D, DeviceID, SizeEmitter); | ||||
9246 | |||||
9247 | bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | ||||
9248 | // The target region is an outlined function launched by the runtime | ||||
9249 | // via calls __tgt_target() or __tgt_target_teams(). | ||||
9250 | // | ||||
9251 | // __tgt_target() launches a target region with one team and one thread, | ||||
9252 | // executing a serial region. This master thread may in turn launch | ||||
9253 | // more threads within its team upon encountering a parallel region, | ||||
9254 | // however, no additional teams can be launched on the device. | ||||
9255 | // | ||||
9256 | // __tgt_target_teams() launches a target region with one or more teams, | ||||
9257 | // each with one or more threads. This call is required for target | ||||
9258 | // constructs such as: | ||||
9259 | // 'target teams' | ||||
9260 | // 'target' / 'teams' | ||||
9261 | // 'target teams distribute parallel for' | ||||
9262 | // 'target parallel' | ||||
9263 | // and so on. | ||||
9264 | // | ||||
9265 | // Note that on the host and CPU targets, the runtime implementation of | ||||
9266 | // these calls simply call the outlined function without forking threads. | ||||
9267 | // The outlined functions themselves have runtime calls to | ||||
9268 | // __kmpc_fork_teams() and __kmpc_fork() for this purpose, codegen'd by | ||||
9269 | // the compiler in emitTeamsCall() and emitParallelCall(). | ||||
9270 | // | ||||
9271 | // In contrast, on the NVPTX target, the implementation of | ||||
9272 | // __tgt_target_teams() launches a GPU kernel with the requested number | ||||
9273 | // of teams and threads so no additional calls to the runtime are required. | ||||
9274 | if (NumTeams) { | ||||
9275 | // If we have NumTeams defined this means that we have an enclosed teams | ||||
9276 | // region. Therefore we also expect to have NumThreads defined. These two | ||||
9277 | // values should be defined in the presence of a teams directive, | ||||
9278 | // regardless of having any clauses associated. If the user is using teams | ||||
9279 | // but no clauses, these two values will be the default that should be | ||||
9280 | // passed to the runtime library - a 32-bit integer with the value zero. | ||||
9281 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9282, __PRETTY_FUNCTION__)) | ||||
9282 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9282, __PRETTY_FUNCTION__)); | ||||
9283 | llvm::Value *OffloadingArgs[] = {DeviceID, | ||||
9284 | OutlinedFnID, | ||||
9285 | PointerNum, | ||||
9286 | InputInfo.BasePointersArray.getPointer(), | ||||
9287 | InputInfo.PointersArray.getPointer(), | ||||
9288 | InputInfo.SizesArray.getPointer(), | ||||
9289 | MapTypesArray, | ||||
9290 | NumTeams, | ||||
9291 | NumThreads}; | ||||
9292 | Return = CGF.EmitRuntimeCall( | ||||
9293 | createRuntimeFunction(HasNowait ? OMPRTL__tgt_target_teams_nowait | ||||
9294 | : OMPRTL__tgt_target_teams), | ||||
9295 | OffloadingArgs); | ||||
9296 | } else { | ||||
9297 | llvm::Value *OffloadingArgs[] = {DeviceID, | ||||
9298 | OutlinedFnID, | ||||
9299 | PointerNum, | ||||
9300 | InputInfo.BasePointersArray.getPointer(), | ||||
9301 | InputInfo.PointersArray.getPointer(), | ||||
9302 | InputInfo.SizesArray.getPointer(), | ||||
9303 | MapTypesArray}; | ||||
9304 | Return = CGF.EmitRuntimeCall( | ||||
9305 | createRuntimeFunction(HasNowait ? OMPRTL__tgt_target_nowait | ||||
9306 | : OMPRTL__tgt_target), | ||||
9307 | OffloadingArgs); | ||||
9308 | } | ||||
9309 | |||||
9310 | // Check the error code and execute the host version if required. | ||||
9311 | llvm::BasicBlock *OffloadFailedBlock = | ||||
9312 | CGF.createBasicBlock("omp_offload.failed"); | ||||
9313 | llvm::BasicBlock *OffloadContBlock = | ||||
9314 | CGF.createBasicBlock("omp_offload.cont"); | ||||
9315 | llvm::Value *Failed = CGF.Builder.CreateIsNotNull(Return); | ||||
9316 | CGF.Builder.CreateCondBr(Failed, OffloadFailedBlock, OffloadContBlock); | ||||
9317 | |||||
9318 | CGF.EmitBlock(OffloadFailedBlock); | ||||
9319 | if (RequiresOuterTask) { | ||||
9320 | CapturedVars.clear(); | ||||
9321 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | ||||
9322 | } | ||||
9323 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | ||||
9324 | CGF.EmitBranch(OffloadContBlock); | ||||
9325 | |||||
9326 | CGF.EmitBlock(OffloadContBlock, /*IsFinished=*/true); | ||||
9327 | }; | ||||
9328 | |||||
9329 | // Notify that the host version must be executed. | ||||
9330 | auto &&ElseGen = [this, &D, OutlinedFn, &CS, &CapturedVars, | ||||
9331 | RequiresOuterTask](CodeGenFunction &CGF, | ||||
9332 | PrePostActionTy &) { | ||||
9333 | if (RequiresOuterTask) { | ||||
9334 | CapturedVars.clear(); | ||||
9335 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | ||||
9336 | } | ||||
9337 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | ||||
9338 | }; | ||||
9339 | |||||
9340 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | ||||
9341 | &CapturedVars, RequiresOuterTask, | ||||
9342 | &CS](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
9343 | // Fill up the arrays with all the captured variables. | ||||
9344 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | ||||
9345 | MappableExprsHandler::MapValuesArrayTy Pointers; | ||||
9346 | MappableExprsHandler::MapValuesArrayTy Sizes; | ||||
9347 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | ||||
9348 | |||||
9349 | // Get mappable expression information. | ||||
9350 | MappableExprsHandler MEHandler(D, CGF); | ||||
9351 | llvm::DenseMap<llvm::Value *, llvm::Value *> LambdaPointers; | ||||
9352 | |||||
9353 | auto RI = CS.getCapturedRecordDecl()->field_begin(); | ||||
9354 | auto CV = CapturedVars.begin(); | ||||
9355 | for (CapturedStmt::const_capture_iterator CI = CS.capture_begin(), | ||||
9356 | CE = CS.capture_end(); | ||||
9357 | CI != CE; ++CI, ++RI, ++CV) { | ||||
9358 | MappableExprsHandler::MapBaseValuesArrayTy CurBasePointers; | ||||
9359 | MappableExprsHandler::MapValuesArrayTy CurPointers; | ||||
9360 | MappableExprsHandler::MapValuesArrayTy CurSizes; | ||||
9361 | MappableExprsHandler::MapFlagsArrayTy CurMapTypes; | ||||
9362 | MappableExprsHandler::StructRangeInfoTy PartialStruct; | ||||
9363 | |||||
9364 | // VLA sizes are passed to the outlined region by copy and do not have map | ||||
9365 | // information associated. | ||||
9366 | if (CI->capturesVariableArrayType()) { | ||||
9367 | CurBasePointers.push_back(*CV); | ||||
9368 | CurPointers.push_back(*CV); | ||||
9369 | CurSizes.push_back(CGF.Builder.CreateIntCast( | ||||
9370 | CGF.getTypeSize(RI->getType()), CGF.Int64Ty, /*isSigned=*/true)); | ||||
9371 | // Copy to the device as an argument. No need to retrieve it. | ||||
9372 | CurMapTypes.push_back(MappableExprsHandler::OMP_MAP_LITERAL | | ||||
9373 | MappableExprsHandler::OMP_MAP_TARGET_PARAM | | ||||
9374 | MappableExprsHandler::OMP_MAP_IMPLICIT); | ||||
9375 | } else { | ||||
9376 | // If we have any information in the map clause, we use it, otherwise we | ||||
9377 | // just do a default mapping. | ||||
9378 | MEHandler.generateInfoForCapture(CI, *CV, CurBasePointers, CurPointers, | ||||
9379 | CurSizes, CurMapTypes, PartialStruct); | ||||
9380 | if (CurBasePointers.empty()) | ||||
9381 | MEHandler.generateDefaultMapInfo(*CI, **RI, *CV, CurBasePointers, | ||||
9382 | CurPointers, CurSizes, CurMapTypes); | ||||
9383 | // Generate correct mapping for variables captured by reference in | ||||
9384 | // lambdas. | ||||
9385 | if (CI->capturesVariable()) | ||||
9386 | MEHandler.generateInfoForLambdaCaptures( | ||||
9387 | CI->getCapturedVar(), *CV, CurBasePointers, CurPointers, CurSizes, | ||||
9388 | CurMapTypes, LambdaPointers); | ||||
9389 | } | ||||
9390 | // We expect to have at least an element of information for this capture. | ||||
9391 | assert(!CurBasePointers.empty() &&((!CurBasePointers.empty() && "Non-existing map pointer for capture!" ) ? static_cast<void> (0) : __assert_fail ("!CurBasePointers.empty() && \"Non-existing map pointer for capture!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9392, __PRETTY_FUNCTION__)) | ||||
9392 | "Non-existing map pointer for capture!")((!CurBasePointers.empty() && "Non-existing map pointer for capture!" ) ? static_cast<void> (0) : __assert_fail ("!CurBasePointers.empty() && \"Non-existing map pointer for capture!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9392, __PRETTY_FUNCTION__)); | ||||
9393 | assert(CurBasePointers.size() == CurPointers.size() &&((CurBasePointers.size() == CurPointers.size() && CurBasePointers .size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && "Inconsistent map information sizes!" ) ? static_cast<void> (0) : __assert_fail ("CurBasePointers.size() == CurPointers.size() && CurBasePointers.size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9396, __PRETTY_FUNCTION__)) | ||||
9394 | CurBasePointers.size() == CurSizes.size() &&((CurBasePointers.size() == CurPointers.size() && CurBasePointers .size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && "Inconsistent map information sizes!" ) ? static_cast<void> (0) : __assert_fail ("CurBasePointers.size() == CurPointers.size() && CurBasePointers.size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9396, __PRETTY_FUNCTION__)) | ||||
9395 | CurBasePointers.size() == CurMapTypes.size() &&((CurBasePointers.size() == CurPointers.size() && CurBasePointers .size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && "Inconsistent map information sizes!" ) ? static_cast<void> (0) : __assert_fail ("CurBasePointers.size() == CurPointers.size() && CurBasePointers.size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9396, __PRETTY_FUNCTION__)) | ||||
9396 | "Inconsistent map information sizes!")((CurBasePointers.size() == CurPointers.size() && CurBasePointers .size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && "Inconsistent map information sizes!" ) ? static_cast<void> (0) : __assert_fail ("CurBasePointers.size() == CurPointers.size() && CurBasePointers.size() == CurSizes.size() && CurBasePointers.size() == CurMapTypes.size() && \"Inconsistent map information sizes!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9396, __PRETTY_FUNCTION__)); | ||||
9397 | |||||
9398 | // If there is an entry in PartialStruct it means we have a struct with | ||||
9399 | // individual members mapped. Emit an extra combined entry. | ||||
9400 | if (PartialStruct.Base.isValid()) | ||||
9401 | MEHandler.emitCombinedEntry(BasePointers, Pointers, Sizes, MapTypes, | ||||
9402 | CurMapTypes, PartialStruct); | ||||
9403 | |||||
9404 | // We need to append the results of this capture to what we already have. | ||||
9405 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | ||||
9406 | Pointers.append(CurPointers.begin(), CurPointers.end()); | ||||
9407 | Sizes.append(CurSizes.begin(), CurSizes.end()); | ||||
9408 | MapTypes.append(CurMapTypes.begin(), CurMapTypes.end()); | ||||
9409 | } | ||||
9410 | // Adjust MEMBER_OF flags for the lambdas captures. | ||||
9411 | MEHandler.adjustMemberOfForLambdaCaptures(LambdaPointers, BasePointers, | ||||
9412 | Pointers, MapTypes); | ||||
9413 | // Map other list items in the map clause which are not captured variables | ||||
9414 | // but "declare target link" global variables. | ||||
9415 | MEHandler.generateInfoForDeclareTargetLink(BasePointers, Pointers, Sizes, | ||||
9416 | MapTypes); | ||||
9417 | |||||
9418 | TargetDataInfo Info; | ||||
9419 | // Fill up the arrays and create the arguments. | ||||
9420 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | ||||
9421 | emitOffloadingArraysArgument(CGF, Info.BasePointersArray, | ||||
9422 | Info.PointersArray, Info.SizesArray, | ||||
9423 | Info.MapTypesArray, Info); | ||||
9424 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | ||||
9425 | InputInfo.BasePointersArray = | ||||
9426 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | ||||
9427 | InputInfo.PointersArray = | ||||
9428 | Address(Info.PointersArray, CGM.getPointerAlign()); | ||||
9429 | InputInfo.SizesArray = Address(Info.SizesArray, CGM.getPointerAlign()); | ||||
9430 | MapTypesArray = Info.MapTypesArray; | ||||
9431 | if (RequiresOuterTask) | ||||
9432 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | ||||
9433 | else | ||||
9434 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | ||||
9435 | }; | ||||
9436 | |||||
9437 | auto &&TargetElseGen = [this, &ElseGen, &D, RequiresOuterTask]( | ||||
9438 | CodeGenFunction &CGF, PrePostActionTy &) { | ||||
9439 | if (RequiresOuterTask) { | ||||
9440 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||
9441 | CGF.EmitOMPTargetTaskBasedDirective(D, ElseGen, InputInfo); | ||||
9442 | } else { | ||||
9443 | emitInlinedDirective(CGF, D.getDirectiveKind(), ElseGen); | ||||
9444 | } | ||||
9445 | }; | ||||
9446 | |||||
9447 | // If we have a target function ID it means that we need to support | ||||
9448 | // offloading, otherwise, just execute on the host. We need to execute on host | ||||
9449 | // regardless of the conditional in the if clause if, e.g., the user do not | ||||
9450 | // specify target triples. | ||||
9451 | if (OutlinedFnID) { | ||||
9452 | if (IfCond) { | ||||
9453 | emitIfClause(CGF, IfCond, TargetThenGen, TargetElseGen); | ||||
9454 | } else { | ||||
9455 | RegionCodeGenTy ThenRCG(TargetThenGen); | ||||
9456 | ThenRCG(CGF); | ||||
9457 | } | ||||
9458 | } else { | ||||
9459 | RegionCodeGenTy ElseRCG(TargetElseGen); | ||||
9460 | ElseRCG(CGF); | ||||
9461 | } | ||||
9462 | } | ||||
9463 | |||||
9464 | void CGOpenMPRuntime::scanForTargetRegionsFunctions(const Stmt *S, | ||||
9465 | StringRef ParentName) { | ||||
9466 | if (!S) | ||||
9467 | return; | ||||
9468 | |||||
9469 | // Codegen OMP target directives that offload compute to the device. | ||||
9470 | bool RequiresDeviceCodegen = | ||||
9471 | isa<OMPExecutableDirective>(S) && | ||||
9472 | isOpenMPTargetExecutionDirective( | ||||
9473 | cast<OMPExecutableDirective>(S)->getDirectiveKind()); | ||||
9474 | |||||
9475 | if (RequiresDeviceCodegen) { | ||||
9476 | const auto &E = *cast<OMPExecutableDirective>(S); | ||||
9477 | unsigned DeviceID; | ||||
9478 | unsigned FileID; | ||||
9479 | unsigned Line; | ||||
9480 | getTargetEntryUniqueInfo(CGM.getContext(), E.getBeginLoc(), DeviceID, | ||||
9481 | FileID, Line); | ||||
9482 | |||||
9483 | // Is this a target region that should not be emitted as an entry point? If | ||||
9484 | // so just signal we are done with this target region. | ||||
9485 | if (!OffloadEntriesInfoManager.hasTargetRegionEntryInfo(DeviceID, FileID, | ||||
9486 | ParentName, Line)) | ||||
9487 | return; | ||||
9488 | |||||
9489 | switch (E.getDirectiveKind()) { | ||||
9490 | case OMPD_target: | ||||
9491 | CodeGenFunction::EmitOMPTargetDeviceFunction(CGM, ParentName, | ||||
9492 | cast<OMPTargetDirective>(E)); | ||||
9493 | break; | ||||
9494 | case OMPD_target_parallel: | ||||
9495 | CodeGenFunction::EmitOMPTargetParallelDeviceFunction( | ||||
9496 | CGM, ParentName, cast<OMPTargetParallelDirective>(E)); | ||||
9497 | break; | ||||
9498 | case OMPD_target_teams: | ||||
9499 | CodeGenFunction::EmitOMPTargetTeamsDeviceFunction( | ||||
9500 | CGM, ParentName, cast<OMPTargetTeamsDirective>(E)); | ||||
9501 | break; | ||||
9502 | case OMPD_target_teams_distribute: | ||||
9503 | CodeGenFunction::EmitOMPTargetTeamsDistributeDeviceFunction( | ||||
9504 | CGM, ParentName, cast<OMPTargetTeamsDistributeDirective>(E)); | ||||
9505 | break; | ||||
9506 | case OMPD_target_teams_distribute_simd: | ||||
9507 | CodeGenFunction::EmitOMPTargetTeamsDistributeSimdDeviceFunction( | ||||
9508 | CGM, ParentName, cast<OMPTargetTeamsDistributeSimdDirective>(E)); | ||||
9509 | break; | ||||
9510 | case OMPD_target_parallel_for: | ||||
9511 | CodeGenFunction::EmitOMPTargetParallelForDeviceFunction( | ||||
9512 | CGM, ParentName, cast<OMPTargetParallelForDirective>(E)); | ||||
9513 | break; | ||||
9514 | case OMPD_target_parallel_for_simd: | ||||
9515 | CodeGenFunction::EmitOMPTargetParallelForSimdDeviceFunction( | ||||
9516 | CGM, ParentName, cast<OMPTargetParallelForSimdDirective>(E)); | ||||
9517 | break; | ||||
9518 | case OMPD_target_simd: | ||||
9519 | CodeGenFunction::EmitOMPTargetSimdDeviceFunction( | ||||
9520 | CGM, ParentName, cast<OMPTargetSimdDirective>(E)); | ||||
9521 | break; | ||||
9522 | case OMPD_target_teams_distribute_parallel_for: | ||||
9523 | CodeGenFunction::EmitOMPTargetTeamsDistributeParallelForDeviceFunction( | ||||
9524 | CGM, ParentName, | ||||
9525 | cast<OMPTargetTeamsDistributeParallelForDirective>(E)); | ||||
9526 | break; | ||||
9527 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
9528 | CodeGenFunction:: | ||||
9529 | EmitOMPTargetTeamsDistributeParallelForSimdDeviceFunction( | ||||
9530 | CGM, ParentName, | ||||
9531 | cast<OMPTargetTeamsDistributeParallelForSimdDirective>(E)); | ||||
9532 | break; | ||||
9533 | case OMPD_parallel: | ||||
9534 | case OMPD_for: | ||||
9535 | case OMPD_parallel_for: | ||||
9536 | case OMPD_parallel_master: | ||||
9537 | case OMPD_parallel_sections: | ||||
9538 | case OMPD_for_simd: | ||||
9539 | case OMPD_parallel_for_simd: | ||||
9540 | case OMPD_cancel: | ||||
9541 | case OMPD_cancellation_point: | ||||
9542 | case OMPD_ordered: | ||||
9543 | case OMPD_threadprivate: | ||||
9544 | case OMPD_allocate: | ||||
9545 | case OMPD_task: | ||||
9546 | case OMPD_simd: | ||||
9547 | case OMPD_sections: | ||||
9548 | case OMPD_section: | ||||
9549 | case OMPD_single: | ||||
9550 | case OMPD_master: | ||||
9551 | case OMPD_critical: | ||||
9552 | case OMPD_taskyield: | ||||
9553 | case OMPD_barrier: | ||||
9554 | case OMPD_taskwait: | ||||
9555 | case OMPD_taskgroup: | ||||
9556 | case OMPD_atomic: | ||||
9557 | case OMPD_flush: | ||||
9558 | case OMPD_teams: | ||||
9559 | case OMPD_target_data: | ||||
9560 | case OMPD_target_exit_data: | ||||
9561 | case OMPD_target_enter_data: | ||||
9562 | case OMPD_distribute: | ||||
9563 | case OMPD_distribute_simd: | ||||
9564 | case OMPD_distribute_parallel_for: | ||||
9565 | case OMPD_distribute_parallel_for_simd: | ||||
9566 | case OMPD_teams_distribute: | ||||
9567 | case OMPD_teams_distribute_simd: | ||||
9568 | case OMPD_teams_distribute_parallel_for: | ||||
9569 | case OMPD_teams_distribute_parallel_for_simd: | ||||
9570 | case OMPD_target_update: | ||||
9571 | case OMPD_declare_simd: | ||||
9572 | case OMPD_declare_variant: | ||||
9573 | case OMPD_declare_target: | ||||
9574 | case OMPD_end_declare_target: | ||||
9575 | case OMPD_declare_reduction: | ||||
9576 | case OMPD_declare_mapper: | ||||
9577 | case OMPD_taskloop: | ||||
9578 | case OMPD_taskloop_simd: | ||||
9579 | case OMPD_master_taskloop: | ||||
9580 | case OMPD_master_taskloop_simd: | ||||
9581 | case OMPD_parallel_master_taskloop: | ||||
9582 | case OMPD_parallel_master_taskloop_simd: | ||||
9583 | case OMPD_requires: | ||||
9584 | case OMPD_unknown: | ||||
9585 | llvm_unreachable("Unknown target directive for OpenMP device codegen.")::llvm::llvm_unreachable_internal("Unknown target directive for OpenMP device codegen." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9585); | ||||
9586 | } | ||||
9587 | return; | ||||
9588 | } | ||||
9589 | |||||
9590 | if (const auto *E = dyn_cast<OMPExecutableDirective>(S)) { | ||||
9591 | if (!E->hasAssociatedStmt() || !E->getAssociatedStmt()) | ||||
9592 | return; | ||||
9593 | |||||
9594 | scanForTargetRegionsFunctions( | ||||
9595 | E->getInnermostCapturedStmt()->getCapturedStmt(), ParentName); | ||||
9596 | return; | ||||
9597 | } | ||||
9598 | |||||
9599 | // If this is a lambda function, look into its body. | ||||
9600 | if (const auto *L = dyn_cast<LambdaExpr>(S)) | ||||
9601 | S = L->getBody(); | ||||
9602 | |||||
9603 | // Keep looking for target regions recursively. | ||||
9604 | for (const Stmt *II : S->children()) | ||||
9605 | scanForTargetRegionsFunctions(II, ParentName); | ||||
9606 | } | ||||
9607 | |||||
9608 | bool CGOpenMPRuntime::emitTargetFunctions(GlobalDecl GD) { | ||||
9609 | // If emitting code for the host, we do not process FD here. Instead we do | ||||
9610 | // the normal code generation. | ||||
9611 | if (!CGM.getLangOpts().OpenMPIsDevice) { | ||||
9612 | if (const auto *FD = dyn_cast<FunctionDecl>(GD.getDecl())) { | ||||
9613 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
9614 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||
9615 | // Do not emit device_type(nohost) functions for the host. | ||||
9616 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | ||||
9617 | return true; | ||||
9618 | } | ||||
9619 | return false; | ||||
9620 | } | ||||
9621 | |||||
9622 | const ValueDecl *VD = cast<ValueDecl>(GD.getDecl()); | ||||
9623 | // Try to detect target regions in the function. | ||||
9624 | if (const auto *FD = dyn_cast<FunctionDecl>(VD)) { | ||||
9625 | StringRef Name = CGM.getMangledName(GD); | ||||
9626 | scanForTargetRegionsFunctions(FD->getBody(), Name); | ||||
9627 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
9628 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||
9629 | // Do not emit device_type(nohost) functions for the host. | ||||
9630 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | ||||
9631 | return true; | ||||
9632 | } | ||||
9633 | |||||
9634 | // Do not to emit function if it is not marked as declare target. | ||||
9635 | return !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) && | ||||
9636 | AlreadyEmittedTargetDecls.count(VD) == 0; | ||||
9637 | } | ||||
9638 | |||||
9639 | bool CGOpenMPRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | ||||
9640 | if (!CGM.getLangOpts().OpenMPIsDevice) | ||||
9641 | return false; | ||||
9642 | |||||
9643 | // Check if there are Ctors/Dtors in this declaration and look for target | ||||
9644 | // regions in it. We use the complete variant to produce the kernel name | ||||
9645 | // mangling. | ||||
9646 | QualType RDTy = cast<VarDecl>(GD.getDecl())->getType(); | ||||
9647 | if (const auto *RD = RDTy->getBaseElementTypeUnsafe()->getAsCXXRecordDecl()) { | ||||
9648 | for (const CXXConstructorDecl *Ctor : RD->ctors()) { | ||||
9649 | StringRef ParentName = | ||||
9650 | CGM.getMangledName(GlobalDecl(Ctor, Ctor_Complete)); | ||||
9651 | scanForTargetRegionsFunctions(Ctor->getBody(), ParentName); | ||||
9652 | } | ||||
9653 | if (const CXXDestructorDecl *Dtor = RD->getDestructor()) { | ||||
9654 | StringRef ParentName = | ||||
9655 | CGM.getMangledName(GlobalDecl(Dtor, Dtor_Complete)); | ||||
9656 | scanForTargetRegionsFunctions(Dtor->getBody(), ParentName); | ||||
9657 | } | ||||
9658 | } | ||||
9659 | |||||
9660 | // Do not to emit variable if it is not marked as declare target. | ||||
9661 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
9662 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( | ||||
9663 | cast<VarDecl>(GD.getDecl())); | ||||
9664 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | ||||
9665 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
9666 | HasRequiresUnifiedSharedMemory)) { | ||||
9667 | DeferredGlobalVariables.insert(cast<VarDecl>(GD.getDecl())); | ||||
9668 | return true; | ||||
9669 | } | ||||
9670 | return false; | ||||
9671 | } | ||||
9672 | |||||
9673 | llvm::Constant * | ||||
9674 | CGOpenMPRuntime::registerTargetFirstprivateCopy(CodeGenFunction &CGF, | ||||
9675 | const VarDecl *VD) { | ||||
9676 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9677, __PRETTY_FUNCTION__)) | ||||
9677 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9677, __PRETTY_FUNCTION__)); | ||||
9678 | StringRef VarName; | ||||
9679 | llvm::Constant *Addr; | ||||
9680 | llvm::GlobalValue::LinkageTypes Linkage; | ||||
9681 | QualType Ty = VD->getType(); | ||||
9682 | SmallString<128> Buffer; | ||||
9683 | { | ||||
9684 | unsigned DeviceID; | ||||
9685 | unsigned FileID; | ||||
9686 | unsigned Line; | ||||
9687 | getTargetEntryUniqueInfo(CGM.getContext(), VD->getLocation(), DeviceID, | ||||
9688 | FileID, Line); | ||||
9689 | llvm::raw_svector_ostream OS(Buffer); | ||||
9690 | OS << "__omp_offloading_firstprivate_" << llvm::format("_%x", DeviceID) | ||||
9691 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | ||||
9692 | VarName = OS.str(); | ||||
9693 | } | ||||
9694 | Linkage = llvm::GlobalValue::InternalLinkage; | ||||
9695 | Addr = | ||||
9696 | getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(Ty), VarName, | ||||
9697 | getDefaultFirstprivateAddressSpace()); | ||||
9698 | cast<llvm::GlobalValue>(Addr)->setLinkage(Linkage); | ||||
9699 | CharUnits VarSize = CGM.getContext().getTypeSizeInChars(Ty); | ||||
9700 | CGM.addCompilerUsedGlobal(cast<llvm::GlobalValue>(Addr)); | ||||
9701 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | ||||
9702 | VarName, Addr, VarSize, | ||||
9703 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo, Linkage); | ||||
9704 | return Addr; | ||||
9705 | } | ||||
9706 | |||||
9707 | void CGOpenMPRuntime::registerTargetGlobalVariable(const VarDecl *VD, | ||||
9708 | llvm::Constant *Addr) { | ||||
9709 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | ||||
9710 | !CGM.getLangOpts().OpenMPIsDevice) | ||||
9711 | return; | ||||
9712 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
9713 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
9714 | if (!Res) { | ||||
9715 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
9716 | // Register non-target variables being emitted in device code (debug info | ||||
9717 | // may cause this). | ||||
9718 | StringRef VarName = CGM.getMangledName(VD); | ||||
9719 | EmittedNonTargetVariables.try_emplace(VarName, Addr); | ||||
9720 | } | ||||
9721 | return; | ||||
9722 | } | ||||
9723 | // Register declare target variables. | ||||
9724 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags; | ||||
9725 | StringRef VarName; | ||||
9726 | CharUnits VarSize; | ||||
9727 | llvm::GlobalValue::LinkageTypes Linkage; | ||||
9728 | |||||
9729 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
9730 | !HasRequiresUnifiedSharedMemory) { | ||||
9731 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | ||||
9732 | VarName = CGM.getMangledName(VD); | ||||
9733 | if (VD->hasDefinition(CGM.getContext()) != VarDecl::DeclarationOnly) { | ||||
9734 | VarSize = CGM.getContext().getTypeSizeInChars(VD->getType()); | ||||
9735 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9735, __PRETTY_FUNCTION__)); | ||||
9736 | } else { | ||||
9737 | VarSize = CharUnits::Zero(); | ||||
9738 | } | ||||
9739 | Linkage = CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false); | ||||
9740 | // Temp solution to prevent optimizations of the internal variables. | ||||
9741 | if (CGM.getLangOpts().OpenMPIsDevice && !VD->isExternallyVisible()) { | ||||
9742 | std::string RefName = getName({VarName, "ref"}); | ||||
9743 | if (!CGM.GetGlobalValue(RefName)) { | ||||
9744 | llvm::Constant *AddrRef = | ||||
9745 | getOrCreateInternalVariable(Addr->getType(), RefName); | ||||
9746 | auto *GVAddrRef = cast<llvm::GlobalVariable>(AddrRef); | ||||
9747 | GVAddrRef->setConstant(/*Val=*/true); | ||||
9748 | GVAddrRef->setLinkage(llvm::GlobalValue::InternalLinkage); | ||||
9749 | GVAddrRef->setInitializer(Addr); | ||||
9750 | CGM.addCompilerUsedGlobal(GVAddrRef); | ||||
9751 | } | ||||
9752 | } | ||||
9753 | } else { | ||||
9754 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9757, __PRETTY_FUNCTION__)) | ||||
9755 | (*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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9757, __PRETTY_FUNCTION__)) | ||||
9756 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9757, __PRETTY_FUNCTION__)) | ||||
9757 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9757, __PRETTY_FUNCTION__)); | ||||
9758 | if (*Res == OMPDeclareTargetDeclAttr::MT_Link) | ||||
9759 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink; | ||||
9760 | else | ||||
9761 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | ||||
9762 | |||||
9763 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
9764 | VarName = Addr->getName(); | ||||
9765 | Addr = nullptr; | ||||
9766 | } else { | ||||
9767 | VarName = getAddrOfDeclareTargetVar(VD).getName(); | ||||
9768 | Addr = cast<llvm::Constant>(getAddrOfDeclareTargetVar(VD).getPointer()); | ||||
9769 | } | ||||
9770 | VarSize = CGM.getPointerSize(); | ||||
9771 | Linkage = llvm::GlobalValue::WeakAnyLinkage; | ||||
9772 | } | ||||
9773 | |||||
9774 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | ||||
9775 | VarName, Addr, VarSize, Flags, Linkage); | ||||
9776 | } | ||||
9777 | |||||
9778 | bool CGOpenMPRuntime::emitTargetGlobal(GlobalDecl GD) { | ||||
9779 | if (isa<FunctionDecl>(GD.getDecl()) || | ||||
9780 | isa<OMPDeclareReductionDecl>(GD.getDecl())) | ||||
9781 | return emitTargetFunctions(GD); | ||||
9782 | |||||
9783 | return emitTargetGlobalVariable(GD); | ||||
9784 | } | ||||
9785 | |||||
9786 | void CGOpenMPRuntime::emitDeferredTargetDecls() const { | ||||
9787 | for (const VarDecl *VD : DeferredGlobalVariables) { | ||||
9788 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
9789 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
9790 | if (!Res) | ||||
9791 | continue; | ||||
9792 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | ||||
9793 | !HasRequiresUnifiedSharedMemory) { | ||||
9794 | CGM.EmitGlobal(VD); | ||||
9795 | } else { | ||||
9796 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9799, __PRETTY_FUNCTION__)) | ||||
9797 | (*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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9799, __PRETTY_FUNCTION__)) | ||||
9798 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9799, __PRETTY_FUNCTION__)) | ||||
9799 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9799, __PRETTY_FUNCTION__)); | ||||
9800 | (void)CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | ||||
9801 | } | ||||
9802 | } | ||||
9803 | } | ||||
9804 | |||||
9805 | void CGOpenMPRuntime::adjustTargetSpecificDataForLambdas( | ||||
9806 | CodeGenFunction &CGF, const OMPExecutableDirective &D) const { | ||||
9807 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9808, __PRETTY_FUNCTION__)) | ||||
9808 | " 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9808, __PRETTY_FUNCTION__)); | ||||
9809 | } | ||||
9810 | |||||
9811 | void CGOpenMPRuntime::processRequiresDirective(const OMPRequiresDecl *D) { | ||||
9812 | for (const OMPClause *Clause : D->clauselists()) { | ||||
9813 | if (Clause->getClauseKind() == OMPC_unified_shared_memory) { | ||||
9814 | HasRequiresUnifiedSharedMemory = true; | ||||
9815 | } else if (const auto *AC = | ||||
9816 | dyn_cast<OMPAtomicDefaultMemOrderClause>(Clause)) { | ||||
9817 | switch (AC->getAtomicDefaultMemOrderKind()) { | ||||
9818 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_acq_rel: | ||||
9819 | RequiresAtomicOrdering = llvm::AtomicOrdering::AcquireRelease; | ||||
9820 | break; | ||||
9821 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_seq_cst: | ||||
9822 | RequiresAtomicOrdering = llvm::AtomicOrdering::SequentiallyConsistent; | ||||
9823 | break; | ||||
9824 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_relaxed: | ||||
9825 | RequiresAtomicOrdering = llvm::AtomicOrdering::Monotonic; | ||||
9826 | break; | ||||
9827 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown: | ||||
9828 | break; | ||||
9829 | } | ||||
9830 | } | ||||
9831 | } | ||||
9832 | } | ||||
9833 | |||||
9834 | llvm::AtomicOrdering CGOpenMPRuntime::getDefaultMemoryOrdering() const { | ||||
9835 | return RequiresAtomicOrdering; | ||||
9836 | } | ||||
9837 | |||||
9838 | bool CGOpenMPRuntime::hasAllocateAttributeForGlobalVar(const VarDecl *VD, | ||||
9839 | LangAS &AS) { | ||||
9840 | if (!VD || !VD->hasAttr<OMPAllocateDeclAttr>()) | ||||
9841 | return false; | ||||
9842 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | ||||
9843 | switch(A->getAllocatorType()) { | ||||
9844 | case OMPAllocateDeclAttr::OMPDefaultMemAlloc: | ||||
9845 | // Not supported, fallback to the default mem space. | ||||
9846 | case OMPAllocateDeclAttr::OMPLargeCapMemAlloc: | ||||
9847 | case OMPAllocateDeclAttr::OMPCGroupMemAlloc: | ||||
9848 | case OMPAllocateDeclAttr::OMPHighBWMemAlloc: | ||||
9849 | case OMPAllocateDeclAttr::OMPLowLatMemAlloc: | ||||
9850 | case OMPAllocateDeclAttr::OMPThreadMemAlloc: | ||||
9851 | case OMPAllocateDeclAttr::OMPConstMemAlloc: | ||||
9852 | case OMPAllocateDeclAttr::OMPPTeamMemAlloc: | ||||
9853 | AS = LangAS::Default; | ||||
9854 | return true; | ||||
9855 | case OMPAllocateDeclAttr::OMPUserDefinedMemAlloc: | ||||
9856 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9857) | ||||
9857 | "static storage.")::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9857); | ||||
9858 | } | ||||
9859 | return false; | ||||
9860 | } | ||||
9861 | |||||
9862 | bool CGOpenMPRuntime::hasRequiresUnifiedSharedMemory() const { | ||||
9863 | return HasRequiresUnifiedSharedMemory; | ||||
9864 | } | ||||
9865 | |||||
9866 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::DisableAutoDeclareTargetRAII( | ||||
9867 | CodeGenModule &CGM) | ||||
9868 | : CGM(CGM) { | ||||
9869 | if (CGM.getLangOpts().OpenMPIsDevice) { | ||||
9870 | SavedShouldMarkAsGlobal = CGM.getOpenMPRuntime().ShouldMarkAsGlobal; | ||||
9871 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = false; | ||||
9872 | } | ||||
9873 | } | ||||
9874 | |||||
9875 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::~DisableAutoDeclareTargetRAII() { | ||||
9876 | if (CGM.getLangOpts().OpenMPIsDevice) | ||||
9877 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = SavedShouldMarkAsGlobal; | ||||
9878 | } | ||||
9879 | |||||
9880 | bool CGOpenMPRuntime::markAsGlobalTarget(GlobalDecl GD) { | ||||
9881 | if (!CGM.getLangOpts().OpenMPIsDevice || !ShouldMarkAsGlobal) | ||||
9882 | return true; | ||||
9883 | |||||
9884 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | ||||
9885 | // Do not to emit function if it is marked as declare target as it was already | ||||
9886 | // emitted. | ||||
9887 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(D)) { | ||||
9888 | if (D->hasBody() && AlreadyEmittedTargetDecls.count(D) == 0) { | ||||
9889 | if (auto *F = dyn_cast_or_null<llvm::Function>( | ||||
9890 | CGM.GetGlobalValue(CGM.getMangledName(GD)))) | ||||
9891 | return !F->isDeclaration(); | ||||
9892 | return false; | ||||
9893 | } | ||||
9894 | return true; | ||||
9895 | } | ||||
9896 | |||||
9897 | return !AlreadyEmittedTargetDecls.insert(D).second; | ||||
9898 | } | ||||
9899 | |||||
9900 | llvm::Function *CGOpenMPRuntime::emitRequiresDirectiveRegFun() { | ||||
9901 | // If we don't have entries or if we are emitting code for the device, we | ||||
9902 | // don't need to do anything. | ||||
9903 | if (CGM.getLangOpts().OMPTargetTriples.empty() || | ||||
9904 | CGM.getLangOpts().OpenMPSimd || CGM.getLangOpts().OpenMPIsDevice || | ||||
9905 | (OffloadEntriesInfoManager.empty() && | ||||
9906 | !HasEmittedDeclareTargetRegion && | ||||
9907 | !HasEmittedTargetRegion)) | ||||
9908 | return nullptr; | ||||
9909 | |||||
9910 | // Create and register the function that handles the requires directives. | ||||
9911 | ASTContext &C = CGM.getContext(); | ||||
9912 | |||||
9913 | llvm::Function *RequiresRegFn; | ||||
9914 | { | ||||
9915 | CodeGenFunction CGF(CGM); | ||||
9916 | const auto &FI = CGM.getTypes().arrangeNullaryFunction(); | ||||
9917 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | ||||
9918 | std::string ReqName = getName({"omp_offloading", "requires_reg"}); | ||||
9919 | RequiresRegFn = CGM.CreateGlobalInitOrDestructFunction(FTy, ReqName, FI); | ||||
9920 | CGF.StartFunction(GlobalDecl(), C.VoidTy, RequiresRegFn, FI, {}); | ||||
9921 | OpenMPOffloadingRequiresDirFlags Flags = OMP_REQ_NONE; | ||||
9922 | // TODO: check for other requires clauses. | ||||
9923 | // The requires directive takes effect only when a target region is | ||||
9924 | // present in the compilation unit. Otherwise it is ignored and not | ||||
9925 | // passed to the runtime. This avoids the runtime from throwing an error | ||||
9926 | // for mismatching requires clauses across compilation units that don't | ||||
9927 | // contain at least 1 target region. | ||||
9928 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9931, __PRETTY_FUNCTION__)) | ||||
9929 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9931, __PRETTY_FUNCTION__)) | ||||
9930 | !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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9931, __PRETTY_FUNCTION__)) | ||||
9931 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9931, __PRETTY_FUNCTION__)); | ||||
9932 | if (HasRequiresUnifiedSharedMemory) | ||||
9933 | Flags = OMP_REQ_UNIFIED_SHARED_MEMORY; | ||||
9934 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_register_requires), | ||||
9935 | llvm::ConstantInt::get(CGM.Int64Ty, Flags)); | ||||
9936 | CGF.FinishFunction(); | ||||
9937 | } | ||||
9938 | return RequiresRegFn; | ||||
9939 | } | ||||
9940 | |||||
9941 | void CGOpenMPRuntime::emitTeamsCall(CodeGenFunction &CGF, | ||||
9942 | const OMPExecutableDirective &D, | ||||
9943 | SourceLocation Loc, | ||||
9944 | llvm::Function *OutlinedFn, | ||||
9945 | ArrayRef<llvm::Value *> CapturedVars) { | ||||
9946 | if (!CGF.HaveInsertPoint()) | ||||
9947 | return; | ||||
9948 | |||||
9949 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||
9950 | CodeGenFunction::RunCleanupsScope Scope(CGF); | ||||
9951 | |||||
9952 | // Build call __kmpc_fork_teams(loc, n, microtask, var1, .., varn); | ||||
9953 | llvm::Value *Args[] = { | ||||
9954 | RTLoc, | ||||
9955 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | ||||
9956 | CGF.Builder.CreateBitCast(OutlinedFn, getKmpc_MicroPointerTy())}; | ||||
9957 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | ||||
9958 | RealArgs.append(std::begin(Args), std::end(Args)); | ||||
9959 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | ||||
9960 | |||||
9961 | llvm::FunctionCallee RTLFn = createRuntimeFunction(OMPRTL__kmpc_fork_teams); | ||||
9962 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | ||||
9963 | } | ||||
9964 | |||||
9965 | void CGOpenMPRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | ||||
9966 | const Expr *NumTeams, | ||||
9967 | const Expr *ThreadLimit, | ||||
9968 | SourceLocation Loc) { | ||||
9969 | if (!CGF.HaveInsertPoint()) | ||||
9970 | return; | ||||
9971 | |||||
9972 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | ||||
9973 | |||||
9974 | llvm::Value *NumTeamsVal = | ||||
9975 | NumTeams | ||||
9976 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(NumTeams), | ||||
9977 | CGF.CGM.Int32Ty, /* isSigned = */ true) | ||||
9978 | : CGF.Builder.getInt32(0); | ||||
9979 | |||||
9980 | llvm::Value *ThreadLimitVal = | ||||
9981 | ThreadLimit | ||||
9982 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(ThreadLimit), | ||||
9983 | CGF.CGM.Int32Ty, /* isSigned = */ true) | ||||
9984 | : CGF.Builder.getInt32(0); | ||||
9985 | |||||
9986 | // Build call __kmpc_push_num_teamss(&loc, global_tid, num_teams, thread_limit) | ||||
9987 | llvm::Value *PushNumTeamsArgs[] = {RTLoc, getThreadID(CGF, Loc), NumTeamsVal, | ||||
9988 | ThreadLimitVal}; | ||||
9989 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_num_teams), | ||||
9990 | PushNumTeamsArgs); | ||||
9991 | } | ||||
9992 | |||||
9993 | void CGOpenMPRuntime::emitTargetDataCalls( | ||||
9994 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||
9995 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | ||||
9996 | if (!CGF.HaveInsertPoint()) | ||||
9997 | return; | ||||
9998 | |||||
9999 | // Action used to replace the default codegen action and turn privatization | ||||
10000 | // off. | ||||
10001 | PrePostActionTy NoPrivAction; | ||||
10002 | |||||
10003 | // Generate the code for the opening of the data environment. Capture all the | ||||
10004 | // arguments of the runtime call by reference because they are used in the | ||||
10005 | // closing of the region. | ||||
10006 | auto &&BeginThenGen = [this, &D, Device, &Info, | ||||
10007 | &CodeGen](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
10008 | // Fill up the arrays with all the mapped variables. | ||||
10009 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | ||||
10010 | MappableExprsHandler::MapValuesArrayTy Pointers; | ||||
10011 | MappableExprsHandler::MapValuesArrayTy Sizes; | ||||
10012 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | ||||
10013 | |||||
10014 | // Get map clause information. | ||||
10015 | MappableExprsHandler MCHandler(D, CGF); | ||||
10016 | MCHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes); | ||||
10017 | |||||
10018 | // Fill up the arrays and create the arguments. | ||||
10019 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | ||||
10020 | |||||
10021 | llvm::Value *BasePointersArrayArg = nullptr; | ||||
10022 | llvm::Value *PointersArrayArg = nullptr; | ||||
10023 | llvm::Value *SizesArrayArg = nullptr; | ||||
10024 | llvm::Value *MapTypesArrayArg = nullptr; | ||||
10025 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | ||||
10026 | SizesArrayArg, MapTypesArrayArg, Info); | ||||
10027 | |||||
10028 | // Emit device ID if any. | ||||
10029 | llvm::Value *DeviceID = nullptr; | ||||
10030 | if (Device) { | ||||
10031 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||
10032 | CGF.Int64Ty, /*isSigned=*/true); | ||||
10033 | } else { | ||||
10034 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||
10035 | } | ||||
10036 | |||||
10037 | // Emit the number of elements in the offloading arrays. | ||||
10038 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | ||||
10039 | |||||
10040 | llvm::Value *OffloadingArgs[] = { | ||||
10041 | DeviceID, PointerNum, BasePointersArrayArg, | ||||
10042 | PointersArrayArg, SizesArrayArg, MapTypesArrayArg}; | ||||
10043 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_target_data_begin), | ||||
10044 | OffloadingArgs); | ||||
10045 | |||||
10046 | // If device pointer privatization is required, emit the body of the region | ||||
10047 | // here. It will have to be duplicated: with and without privatization. | ||||
10048 | if (!Info.CaptureDeviceAddrMap.empty()) | ||||
10049 | CodeGen(CGF); | ||||
10050 | }; | ||||
10051 | |||||
10052 | // Generate code for the closing of the data region. | ||||
10053 | auto &&EndThenGen = [this, Device, &Info](CodeGenFunction &CGF, | ||||
10054 | PrePostActionTy &) { | ||||
10055 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10055, __PRETTY_FUNCTION__)); | ||||
10056 | |||||
10057 | llvm::Value *BasePointersArrayArg = nullptr; | ||||
10058 | llvm::Value *PointersArrayArg = nullptr; | ||||
10059 | llvm::Value *SizesArrayArg = nullptr; | ||||
10060 | llvm::Value *MapTypesArrayArg = nullptr; | ||||
10061 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | ||||
10062 | SizesArrayArg, MapTypesArrayArg, Info); | ||||
10063 | |||||
10064 | // Emit device ID if any. | ||||
10065 | llvm::Value *DeviceID = nullptr; | ||||
10066 | if (Device) { | ||||
10067 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||
10068 | CGF.Int64Ty, /*isSigned=*/true); | ||||
10069 | } else { | ||||
10070 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||
10071 | } | ||||
10072 | |||||
10073 | // Emit the number of elements in the offloading arrays. | ||||
10074 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | ||||
10075 | |||||
10076 | llvm::Value *OffloadingArgs[] = { | ||||
10077 | DeviceID, PointerNum, BasePointersArrayArg, | ||||
10078 | PointersArrayArg, SizesArrayArg, MapTypesArrayArg}; | ||||
10079 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_target_data_end), | ||||
10080 | OffloadingArgs); | ||||
10081 | }; | ||||
10082 | |||||
10083 | // If we need device pointer privatization, we need to emit the body of the | ||||
10084 | // region with no privatization in the 'else' branch of the conditional. | ||||
10085 | // Otherwise, we don't have to do anything. | ||||
10086 | auto &&BeginElseGen = [&Info, &CodeGen, &NoPrivAction](CodeGenFunction &CGF, | ||||
10087 | PrePostActionTy &) { | ||||
10088 | if (!Info.CaptureDeviceAddrMap.empty()) { | ||||
10089 | CodeGen.setAction(NoPrivAction); | ||||
10090 | CodeGen(CGF); | ||||
10091 | } | ||||
10092 | }; | ||||
10093 | |||||
10094 | // We don't have to do anything to close the region if the if clause evaluates | ||||
10095 | // to false. | ||||
10096 | auto &&EndElseGen = [](CodeGenFunction &CGF, PrePostActionTy &) {}; | ||||
10097 | |||||
10098 | if (IfCond) { | ||||
10099 | emitIfClause(CGF, IfCond, BeginThenGen, BeginElseGen); | ||||
10100 | } else { | ||||
10101 | RegionCodeGenTy RCG(BeginThenGen); | ||||
10102 | RCG(CGF); | ||||
10103 | } | ||||
10104 | |||||
10105 | // If we don't require privatization of device pointers, we emit the body in | ||||
10106 | // between the runtime calls. This avoids duplicating the body code. | ||||
10107 | if (Info.CaptureDeviceAddrMap.empty()) { | ||||
10108 | CodeGen.setAction(NoPrivAction); | ||||
10109 | CodeGen(CGF); | ||||
10110 | } | ||||
10111 | |||||
10112 | if (IfCond) { | ||||
10113 | emitIfClause(CGF, IfCond, EndThenGen, EndElseGen); | ||||
10114 | } else { | ||||
10115 | RegionCodeGenTy RCG(EndThenGen); | ||||
10116 | RCG(CGF); | ||||
10117 | } | ||||
10118 | } | ||||
10119 | |||||
10120 | void CGOpenMPRuntime::emitTargetDataStandAloneCall( | ||||
10121 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||
10122 | const Expr *Device) { | ||||
10123 | if (!CGF.HaveInsertPoint()) | ||||
10124 | return; | ||||
10125 | |||||
10126 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10129, __PRETTY_FUNCTION__)) | ||||
10127 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10129, __PRETTY_FUNCTION__)) | ||||
10128 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10129, __PRETTY_FUNCTION__)) | ||||
10129 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10129, __PRETTY_FUNCTION__)); | ||||
10130 | |||||
10131 | CodeGenFunction::OMPTargetDataInfo InputInfo; | ||||
10132 | llvm::Value *MapTypesArray = nullptr; | ||||
10133 | // Generate the code for the opening of the data environment. | ||||
10134 | auto &&ThenGen = [this, &D, Device, &InputInfo, | ||||
10135 | &MapTypesArray](CodeGenFunction &CGF, PrePostActionTy &) { | ||||
10136 | // Emit device ID if any. | ||||
10137 | llvm::Value *DeviceID = nullptr; | ||||
10138 | if (Device) { | ||||
10139 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | ||||
10140 | CGF.Int64Ty, /*isSigned=*/true); | ||||
10141 | } else { | ||||
10142 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | ||||
10143 | } | ||||
10144 | |||||
10145 | // Emit the number of elements in the offloading arrays. | ||||
10146 | llvm::Constant *PointerNum = | ||||
10147 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | ||||
10148 | |||||
10149 | llvm::Value *OffloadingArgs[] = {DeviceID, | ||||
10150 | PointerNum, | ||||
10151 | InputInfo.BasePointersArray.getPointer(), | ||||
10152 | InputInfo.PointersArray.getPointer(), | ||||
10153 | InputInfo.SizesArray.getPointer(), | ||||
10154 | MapTypesArray}; | ||||
10155 | |||||
10156 | // Select the right runtime function call for each expected standalone | ||||
10157 | // directive. | ||||
10158 | const bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | ||||
10159 | OpenMPRTLFunction RTLFn; | ||||
10160 | switch (D.getDirectiveKind()) { | ||||
10161 | case OMPD_target_enter_data: | ||||
10162 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_begin_nowait | ||||
10163 | : OMPRTL__tgt_target_data_begin; | ||||
10164 | break; | ||||
10165 | case OMPD_target_exit_data: | ||||
10166 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_end_nowait | ||||
10167 | : OMPRTL__tgt_target_data_end; | ||||
10168 | break; | ||||
10169 | case OMPD_target_update: | ||||
10170 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_update_nowait | ||||
10171 | : OMPRTL__tgt_target_data_update; | ||||
10172 | break; | ||||
10173 | case OMPD_parallel: | ||||
10174 | case OMPD_for: | ||||
10175 | case OMPD_parallel_for: | ||||
10176 | case OMPD_parallel_master: | ||||
10177 | case OMPD_parallel_sections: | ||||
10178 | case OMPD_for_simd: | ||||
10179 | case OMPD_parallel_for_simd: | ||||
10180 | case OMPD_cancel: | ||||
10181 | case OMPD_cancellation_point: | ||||
10182 | case OMPD_ordered: | ||||
10183 | case OMPD_threadprivate: | ||||
10184 | case OMPD_allocate: | ||||
10185 | case OMPD_task: | ||||
10186 | case OMPD_simd: | ||||
10187 | case OMPD_sections: | ||||
10188 | case OMPD_section: | ||||
10189 | case OMPD_single: | ||||
10190 | case OMPD_master: | ||||
10191 | case OMPD_critical: | ||||
10192 | case OMPD_taskyield: | ||||
10193 | case OMPD_barrier: | ||||
10194 | case OMPD_taskwait: | ||||
10195 | case OMPD_taskgroup: | ||||
10196 | case OMPD_atomic: | ||||
10197 | case OMPD_flush: | ||||
10198 | case OMPD_teams: | ||||
10199 | case OMPD_target_data: | ||||
10200 | case OMPD_distribute: | ||||
10201 | case OMPD_distribute_simd: | ||||
10202 | case OMPD_distribute_parallel_for: | ||||
10203 | case OMPD_distribute_parallel_for_simd: | ||||
10204 | case OMPD_teams_distribute: | ||||
10205 | case OMPD_teams_distribute_simd: | ||||
10206 | case OMPD_teams_distribute_parallel_for: | ||||
10207 | case OMPD_teams_distribute_parallel_for_simd: | ||||
10208 | case OMPD_declare_simd: | ||||
10209 | case OMPD_declare_variant: | ||||
10210 | case OMPD_declare_target: | ||||
10211 | case OMPD_end_declare_target: | ||||
10212 | case OMPD_declare_reduction: | ||||
10213 | case OMPD_declare_mapper: | ||||
10214 | case OMPD_taskloop: | ||||
10215 | case OMPD_taskloop_simd: | ||||
10216 | case OMPD_master_taskloop: | ||||
10217 | case OMPD_master_taskloop_simd: | ||||
10218 | case OMPD_parallel_master_taskloop: | ||||
10219 | case OMPD_parallel_master_taskloop_simd: | ||||
10220 | case OMPD_target: | ||||
10221 | case OMPD_target_simd: | ||||
10222 | case OMPD_target_teams_distribute: | ||||
10223 | case OMPD_target_teams_distribute_simd: | ||||
10224 | case OMPD_target_teams_distribute_parallel_for: | ||||
10225 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
10226 | case OMPD_target_teams: | ||||
10227 | case OMPD_target_parallel: | ||||
10228 | case OMPD_target_parallel_for: | ||||
10229 | case OMPD_target_parallel_for_simd: | ||||
10230 | case OMPD_requires: | ||||
10231 | case OMPD_unknown: | ||||
10232 | llvm_unreachable("Unexpected standalone target data directive.")::llvm::llvm_unreachable_internal("Unexpected standalone target data directive." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10232); | ||||
10233 | break; | ||||
10234 | } | ||||
10235 | CGF.EmitRuntimeCall(createRuntimeFunction(RTLFn), OffloadingArgs); | ||||
10236 | }; | ||||
10237 | |||||
10238 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray]( | ||||
10239 | CodeGenFunction &CGF, PrePostActionTy &) { | ||||
10240 | // Fill up the arrays with all the mapped variables. | ||||
10241 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | ||||
10242 | MappableExprsHandler::MapValuesArrayTy Pointers; | ||||
10243 | MappableExprsHandler::MapValuesArrayTy Sizes; | ||||
10244 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | ||||
10245 | |||||
10246 | // Get map clause information. | ||||
10247 | MappableExprsHandler MEHandler(D, CGF); | ||||
10248 | MEHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes); | ||||
10249 | |||||
10250 | TargetDataInfo Info; | ||||
10251 | // Fill up the arrays and create the arguments. | ||||
10252 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | ||||
10253 | emitOffloadingArraysArgument(CGF, Info.BasePointersArray, | ||||
10254 | Info.PointersArray, Info.SizesArray, | ||||
10255 | Info.MapTypesArray, Info); | ||||
10256 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | ||||
10257 | InputInfo.BasePointersArray = | ||||
10258 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | ||||
10259 | InputInfo.PointersArray = | ||||
10260 | Address(Info.PointersArray, CGM.getPointerAlign()); | ||||
10261 | InputInfo.SizesArray = | ||||
10262 | Address(Info.SizesArray, CGM.getPointerAlign()); | ||||
10263 | MapTypesArray = Info.MapTypesArray; | ||||
10264 | if (D.hasClausesOfKind<OMPDependClause>()) | ||||
10265 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | ||||
10266 | else | ||||
10267 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | ||||
10268 | }; | ||||
10269 | |||||
10270 | if (IfCond) { | ||||
10271 | emitIfClause(CGF, IfCond, TargetThenGen, | ||||
10272 | [](CodeGenFunction &CGF, PrePostActionTy &) {}); | ||||
10273 | } else { | ||||
10274 | RegionCodeGenTy ThenRCG(TargetThenGen); | ||||
10275 | ThenRCG(CGF); | ||||
10276 | } | ||||
10277 | } | ||||
10278 | |||||
10279 | namespace { | ||||
10280 | /// Kind of parameter in a function with 'declare simd' directive. | ||||
10281 | enum ParamKindTy { LinearWithVarStride, Linear, Uniform, Vector }; | ||||
10282 | /// Attribute set of the parameter. | ||||
10283 | struct ParamAttrTy { | ||||
10284 | ParamKindTy Kind = Vector; | ||||
10285 | llvm::APSInt StrideOrArg; | ||||
10286 | llvm::APSInt Alignment; | ||||
10287 | }; | ||||
10288 | } // namespace | ||||
10289 | |||||
10290 | static unsigned evaluateCDTSize(const FunctionDecl *FD, | ||||
10291 | ArrayRef<ParamAttrTy> ParamAttrs) { | ||||
10292 | // Every vector variant of a SIMD-enabled function has a vector length (VLEN). | ||||
10293 | // If OpenMP clause "simdlen" is used, the VLEN is the value of the argument | ||||
10294 | // of that clause. The VLEN value must be power of 2. | ||||
10295 | // In other case the notion of the function`s "characteristic data type" (CDT) | ||||
10296 | // is used to compute the vector length. | ||||
10297 | // CDT is defined in the following order: | ||||
10298 | // a) For non-void function, the CDT is the return type. | ||||
10299 | // b) If the function has any non-uniform, non-linear parameters, then the | ||||
10300 | // CDT is the type of the first such parameter. | ||||
10301 | // c) If the CDT determined by a) or b) above is struct, union, or class | ||||
10302 | // type which is pass-by-value (except for the type that maps to the | ||||
10303 | // built-in complex data type), the characteristic data type is int. | ||||
10304 | // d) If none of the above three cases is applicable, the CDT is int. | ||||
10305 | // The VLEN is then determined based on the CDT and the size of vector | ||||
10306 | // register of that ISA for which current vector version is generated. The | ||||
10307 | // VLEN is computed using the formula below: | ||||
10308 | // VLEN = sizeof(vector_register) / sizeof(CDT), | ||||
10309 | // where vector register size specified in section 3.2.1 Registers and the | ||||
10310 | // Stack Frame of original AMD64 ABI document. | ||||
10311 | QualType RetType = FD->getReturnType(); | ||||
10312 | if (RetType.isNull()) | ||||
10313 | return 0; | ||||
10314 | ASTContext &C = FD->getASTContext(); | ||||
10315 | QualType CDT; | ||||
10316 | if (!RetType.isNull() && !RetType->isVoidType()) { | ||||
10317 | CDT = RetType; | ||||
10318 | } else { | ||||
10319 | unsigned Offset = 0; | ||||
10320 | if (const auto *MD = dyn_cast<CXXMethodDecl>(FD)) { | ||||
10321 | if (ParamAttrs[Offset].Kind == Vector) | ||||
10322 | CDT = C.getPointerType(C.getRecordType(MD->getParent())); | ||||
10323 | ++Offset; | ||||
10324 | } | ||||
10325 | if (CDT.isNull()) { | ||||
10326 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | ||||
10327 | if (ParamAttrs[I + Offset].Kind == Vector) { | ||||
10328 | CDT = FD->getParamDecl(I)->getType(); | ||||
10329 | break; | ||||
10330 | } | ||||
10331 | } | ||||
10332 | } | ||||
10333 | } | ||||
10334 | if (CDT.isNull()) | ||||
10335 | CDT = C.IntTy; | ||||
10336 | CDT = CDT->getCanonicalTypeUnqualified(); | ||||
10337 | if (CDT->isRecordType() || CDT->isUnionType()) | ||||
10338 | CDT = C.IntTy; | ||||
10339 | return C.getTypeSize(CDT); | ||||
10340 | } | ||||
10341 | |||||
10342 | static void | ||||
10343 | emitX86DeclareSimdFunction(const FunctionDecl *FD, llvm::Function *Fn, | ||||
10344 | const llvm::APSInt &VLENVal, | ||||
10345 | ArrayRef<ParamAttrTy> ParamAttrs, | ||||
10346 | OMPDeclareSimdDeclAttr::BranchStateTy State) { | ||||
10347 | struct ISADataTy { | ||||
10348 | char ISA; | ||||
10349 | unsigned VecRegSize; | ||||
10350 | }; | ||||
10351 | ISADataTy ISAData[] = { | ||||
10352 | { | ||||
10353 | 'b', 128 | ||||
10354 | }, // SSE | ||||
10355 | { | ||||
10356 | 'c', 256 | ||||
10357 | }, // AVX | ||||
10358 | { | ||||
10359 | 'd', 256 | ||||
10360 | }, // AVX2 | ||||
10361 | { | ||||
10362 | 'e', 512 | ||||
10363 | }, // AVX512 | ||||
10364 | }; | ||||
10365 | llvm::SmallVector<char, 2> Masked; | ||||
10366 | switch (State) { | ||||
10367 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||
10368 | Masked.push_back('N'); | ||||
10369 | Masked.push_back('M'); | ||||
10370 | break; | ||||
10371 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||
10372 | Masked.push_back('N'); | ||||
10373 | break; | ||||
10374 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||
10375 | Masked.push_back('M'); | ||||
10376 | break; | ||||
10377 | } | ||||
10378 | for (char Mask : Masked) { | ||||
10379 | for (const ISADataTy &Data : ISAData) { | ||||
10380 | SmallString<256> Buffer; | ||||
10381 | llvm::raw_svector_ostream Out(Buffer); | ||||
10382 | Out << "_ZGV" << Data.ISA << Mask; | ||||
10383 | if (!VLENVal) { | ||||
10384 | unsigned NumElts = evaluateCDTSize(FD, ParamAttrs); | ||||
10385 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10385, __PRETTY_FUNCTION__)); | ||||
10386 | Out << llvm::APSInt::getUnsigned(Data.VecRegSize / NumElts); | ||||
10387 | } else { | ||||
10388 | Out << VLENVal; | ||||
10389 | } | ||||
10390 | for (const ParamAttrTy &ParamAttr : ParamAttrs) { | ||||
10391 | switch (ParamAttr.Kind){ | ||||
10392 | case LinearWithVarStride: | ||||
10393 | Out << 's' << ParamAttr.StrideOrArg; | ||||
10394 | break; | ||||
10395 | case Linear: | ||||
10396 | Out << 'l'; | ||||
10397 | if (!!ParamAttr.StrideOrArg) | ||||
10398 | Out << ParamAttr.StrideOrArg; | ||||
10399 | break; | ||||
10400 | case Uniform: | ||||
10401 | Out << 'u'; | ||||
10402 | break; | ||||
10403 | case Vector: | ||||
10404 | Out << 'v'; | ||||
10405 | break; | ||||
10406 | } | ||||
10407 | if (!!ParamAttr.Alignment) | ||||
10408 | Out << 'a' << ParamAttr.Alignment; | ||||
10409 | } | ||||
10410 | Out << '_' << Fn->getName(); | ||||
10411 | Fn->addFnAttr(Out.str()); | ||||
10412 | } | ||||
10413 | } | ||||
10414 | } | ||||
10415 | |||||
10416 | // This are the Functions that are needed to mangle the name of the | ||||
10417 | // vector functions generated by the compiler, according to the rules | ||||
10418 | // defined in the "Vector Function ABI specifications for AArch64", | ||||
10419 | // available at | ||||
10420 | // https://developer.arm.com/products/software-development-tools/hpc/arm-compiler-for-hpc/vector-function-abi. | ||||
10421 | |||||
10422 | /// Maps To Vector (MTV), as defined in 3.1.1 of the AAVFABI. | ||||
10423 | /// | ||||
10424 | /// TODO: Need to implement the behavior for reference marked with a | ||||
10425 | /// var or no linear modifiers (1.b in the section). For this, we | ||||
10426 | /// need to extend ParamKindTy to support the linear modifiers. | ||||
10427 | static bool getAArch64MTV(QualType QT, ParamKindTy Kind) { | ||||
10428 | QT = QT.getCanonicalType(); | ||||
10429 | |||||
10430 | if (QT->isVoidType()) | ||||
10431 | return false; | ||||
10432 | |||||
10433 | if (Kind == ParamKindTy::Uniform) | ||||
10434 | return false; | ||||
10435 | |||||
10436 | if (Kind == ParamKindTy::Linear) | ||||
10437 | return false; | ||||
10438 | |||||
10439 | // TODO: Handle linear references with modifiers | ||||
10440 | |||||
10441 | if (Kind == ParamKindTy::LinearWithVarStride) | ||||
10442 | return false; | ||||
10443 | |||||
10444 | return true; | ||||
10445 | } | ||||
10446 | |||||
10447 | /// Pass By Value (PBV), as defined in 3.1.2 of the AAVFABI. | ||||
10448 | static bool getAArch64PBV(QualType QT, ASTContext &C) { | ||||
10449 | QT = QT.getCanonicalType(); | ||||
10450 | unsigned Size = C.getTypeSize(QT); | ||||
10451 | |||||
10452 | // Only scalars and complex within 16 bytes wide set PVB to true. | ||||
10453 | if (Size != 8 && Size != 16 && Size != 32 && Size != 64 && Size != 128) | ||||
10454 | return false; | ||||
10455 | |||||
10456 | if (QT->isFloatingType()) | ||||
10457 | return true; | ||||
10458 | |||||
10459 | if (QT->isIntegerType()) | ||||
10460 | return true; | ||||
10461 | |||||
10462 | if (QT->isPointerType()) | ||||
10463 | return true; | ||||
10464 | |||||
10465 | // TODO: Add support for complex types (section 3.1.2, item 2). | ||||
10466 | |||||
10467 | return false; | ||||
10468 | } | ||||
10469 | |||||
10470 | /// Computes the lane size (LS) of a return type or of an input parameter, | ||||
10471 | /// as defined by `LS(P)` in 3.2.1 of the AAVFABI. | ||||
10472 | /// TODO: Add support for references, section 3.2.1, item 1. | ||||
10473 | static unsigned getAArch64LS(QualType QT, ParamKindTy Kind, ASTContext &C) { | ||||
10474 | if (getAArch64MTV(QT, Kind) && QT.getCanonicalType()->isPointerType()) { | ||||
10475 | QualType PTy = QT.getCanonicalType()->getPointeeType(); | ||||
10476 | if (getAArch64PBV(PTy, C)) | ||||
10477 | return C.getTypeSize(PTy); | ||||
10478 | } | ||||
10479 | if (getAArch64PBV(QT, C)) | ||||
10480 | return C.getTypeSize(QT); | ||||
10481 | |||||
10482 | return C.getTypeSize(C.getUIntPtrType()); | ||||
10483 | } | ||||
10484 | |||||
10485 | // Get Narrowest Data Size (NDS) and Widest Data Size (WDS) from the | ||||
10486 | // signature of the scalar function, as defined in 3.2.2 of the | ||||
10487 | // AAVFABI. | ||||
10488 | static std::tuple<unsigned, unsigned, bool> | ||||
10489 | getNDSWDS(const FunctionDecl *FD, ArrayRef<ParamAttrTy> ParamAttrs) { | ||||
10490 | QualType RetType = FD->getReturnType().getCanonicalType(); | ||||
10491 | |||||
10492 | ASTContext &C = FD->getASTContext(); | ||||
10493 | |||||
10494 | bool OutputBecomesInput = false; | ||||
10495 | |||||
10496 | llvm::SmallVector<unsigned, 8> Sizes; | ||||
10497 | if (!RetType->isVoidType()) { | ||||
10498 | Sizes.push_back(getAArch64LS(RetType, ParamKindTy::Vector, C)); | ||||
10499 | if (!getAArch64PBV(RetType, C) && getAArch64MTV(RetType, {})) | ||||
10500 | OutputBecomesInput = true; | ||||
10501 | } | ||||
10502 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | ||||
10503 | QualType QT = FD->getParamDecl(I)->getType().getCanonicalType(); | ||||
10504 | Sizes.push_back(getAArch64LS(QT, ParamAttrs[I].Kind, C)); | ||||
10505 | } | ||||
10506 | |||||
10507 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10507, __PRETTY_FUNCTION__)); | ||||
10508 | // The LS of a function parameter / return value can only be a power | ||||
10509 | // of 2, starting from 8 bits, up to 128. | ||||
10510 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)) | ||||
10511 | [](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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)) | ||||
10512 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)) | ||||
10513 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)) | ||||
10514 | }) &&((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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)) | ||||
10515 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10515, __PRETTY_FUNCTION__)); | ||||
10516 | |||||
10517 | return std::make_tuple(*std::min_element(std::begin(Sizes), std::end(Sizes)), | ||||
10518 | *std::max_element(std::begin(Sizes), std::end(Sizes)), | ||||
10519 | OutputBecomesInput); | ||||
10520 | } | ||||
10521 | |||||
10522 | /// Mangle the parameter part of the vector function name according to | ||||
10523 | /// their OpenMP classification. The mangling function is defined in | ||||
10524 | /// section 3.5 of the AAVFABI. | ||||
10525 | static std::string mangleVectorParameters(ArrayRef<ParamAttrTy> ParamAttrs) { | ||||
10526 | SmallString<256> Buffer; | ||||
10527 | llvm::raw_svector_ostream Out(Buffer); | ||||
10528 | for (const auto &ParamAttr : ParamAttrs) { | ||||
10529 | switch (ParamAttr.Kind) { | ||||
10530 | case LinearWithVarStride: | ||||
10531 | Out << "ls" << ParamAttr.StrideOrArg; | ||||
10532 | break; | ||||
10533 | case Linear: | ||||
10534 | Out << 'l'; | ||||
10535 | // Don't print the step value if it is not present or if it is | ||||
10536 | // equal to 1. | ||||
10537 | if (!!ParamAttr.StrideOrArg && ParamAttr.StrideOrArg != 1) | ||||
10538 | Out << ParamAttr.StrideOrArg; | ||||
10539 | break; | ||||
10540 | case Uniform: | ||||
10541 | Out << 'u'; | ||||
10542 | break; | ||||
10543 | case Vector: | ||||
10544 | Out << 'v'; | ||||
10545 | break; | ||||
10546 | } | ||||
10547 | |||||
10548 | if (!!ParamAttr.Alignment) | ||||
10549 | Out << 'a' << ParamAttr.Alignment; | ||||
10550 | } | ||||
10551 | |||||
10552 | return std::string(Out.str()); | ||||
10553 | } | ||||
10554 | |||||
10555 | // Function used to add the attribute. The parameter `VLEN` is | ||||
10556 | // templated to allow the use of "x" when targeting scalable functions | ||||
10557 | // for SVE. | ||||
10558 | template <typename T> | ||||
10559 | static void addAArch64VectorName(T VLEN, StringRef LMask, StringRef Prefix, | ||||
10560 | char ISA, StringRef ParSeq, | ||||
10561 | StringRef MangledName, bool OutputBecomesInput, | ||||
10562 | llvm::Function *Fn) { | ||||
10563 | SmallString<256> Buffer; | ||||
10564 | llvm::raw_svector_ostream Out(Buffer); | ||||
10565 | Out << Prefix << ISA << LMask << VLEN; | ||||
10566 | if (OutputBecomesInput) | ||||
10567 | Out << "v"; | ||||
10568 | Out << ParSeq << "_" << MangledName; | ||||
10569 | Fn->addFnAttr(Out.str()); | ||||
10570 | } | ||||
10571 | |||||
10572 | // Helper function to generate the Advanced SIMD names depending on | ||||
10573 | // the value of the NDS when simdlen is not present. | ||||
10574 | static void addAArch64AdvSIMDNDSNames(unsigned NDS, StringRef Mask, | ||||
10575 | StringRef Prefix, char ISA, | ||||
10576 | StringRef ParSeq, StringRef MangledName, | ||||
10577 | bool OutputBecomesInput, | ||||
10578 | llvm::Function *Fn) { | ||||
10579 | switch (NDS) { | ||||
10580 | case 8: | ||||
10581 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10582 | OutputBecomesInput, Fn); | ||||
10583 | addAArch64VectorName(16, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10584 | OutputBecomesInput, Fn); | ||||
10585 | break; | ||||
10586 | case 16: | ||||
10587 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10588 | OutputBecomesInput, Fn); | ||||
10589 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10590 | OutputBecomesInput, Fn); | ||||
10591 | break; | ||||
10592 | case 32: | ||||
10593 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10594 | OutputBecomesInput, Fn); | ||||
10595 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10596 | OutputBecomesInput, Fn); | ||||
10597 | break; | ||||
10598 | case 64: | ||||
10599 | case 128: | ||||
10600 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | ||||
10601 | OutputBecomesInput, Fn); | ||||
10602 | break; | ||||
10603 | default: | ||||
10604 | llvm_unreachable("Scalar type is too wide.")::llvm::llvm_unreachable_internal("Scalar type is too wide.", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10604); | ||||
10605 | } | ||||
10606 | } | ||||
10607 | |||||
10608 | /// Emit vector function attributes for AArch64, as defined in the AAVFABI. | ||||
10609 | static void emitAArch64DeclareSimdFunction( | ||||
10610 | CodeGenModule &CGM, const FunctionDecl *FD, unsigned UserVLEN, | ||||
10611 | ArrayRef<ParamAttrTy> ParamAttrs, | ||||
10612 | OMPDeclareSimdDeclAttr::BranchStateTy State, StringRef MangledName, | ||||
10613 | char ISA, unsigned VecRegSize, llvm::Function *Fn, SourceLocation SLoc) { | ||||
10614 | |||||
10615 | // Get basic data for building the vector signature. | ||||
10616 | const auto Data = getNDSWDS(FD, ParamAttrs); | ||||
10617 | const unsigned NDS = std::get<0>(Data); | ||||
10618 | const unsigned WDS = std::get<1>(Data); | ||||
10619 | const bool OutputBecomesInput = std::get<2>(Data); | ||||
10620 | |||||
10621 | // Check the values provided via `simdlen` by the user. | ||||
10622 | // 1. A `simdlen(1)` doesn't produce vector signatures, | ||||
10623 | if (UserVLEN == 1) { | ||||
10624 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
10625 | DiagnosticsEngine::Warning, | ||||
10626 | "The clause simdlen(1) has no effect when targeting aarch64."); | ||||
10627 | CGM.getDiags().Report(SLoc, DiagID); | ||||
10628 | return; | ||||
10629 | } | ||||
10630 | |||||
10631 | // 2. Section 3.3.1, item 1: user input must be a power of 2 for | ||||
10632 | // Advanced SIMD output. | ||||
10633 | if (ISA == 'n' && UserVLEN && !llvm::isPowerOf2_32(UserVLEN)) { | ||||
10634 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
10635 | DiagnosticsEngine::Warning, "The value specified in simdlen must be a " | ||||
10636 | "power of 2 when targeting Advanced SIMD."); | ||||
10637 | CGM.getDiags().Report(SLoc, DiagID); | ||||
10638 | return; | ||||
10639 | } | ||||
10640 | |||||
10641 | // 3. Section 3.4.1. SVE fixed lengh must obey the architectural | ||||
10642 | // limits. | ||||
10643 | if (ISA == 's' && UserVLEN != 0) { | ||||
10644 | if ((UserVLEN * WDS > 2048) || (UserVLEN * WDS % 128 != 0)) { | ||||
10645 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | ||||
10646 | DiagnosticsEngine::Warning, "The clause simdlen must fit the %0-bit " | ||||
10647 | "lanes in the architectural constraints " | ||||
10648 | "for SVE (min is 128-bit, max is " | ||||
10649 | "2048-bit, by steps of 128-bit)"); | ||||
10650 | CGM.getDiags().Report(SLoc, DiagID) << WDS; | ||||
10651 | return; | ||||
10652 | } | ||||
10653 | } | ||||
10654 | |||||
10655 | // Sort out parameter sequence. | ||||
10656 | const std::string ParSeq = mangleVectorParameters(ParamAttrs); | ||||
10657 | StringRef Prefix = "_ZGV"; | ||||
10658 | // Generate simdlen from user input (if any). | ||||
10659 | if (UserVLEN) { | ||||
10660 | if (ISA == 's') { | ||||
10661 | // SVE generates only a masked function. | ||||
10662 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||
10663 | OutputBecomesInput, Fn); | ||||
10664 | } else { | ||||
10665 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10665, __PRETTY_FUNCTION__)); | ||||
10666 | // Advanced SIMD generates one or two functions, depending on | ||||
10667 | // the `[not]inbranch` clause. | ||||
10668 | switch (State) { | ||||
10669 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||
10670 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | ||||
10671 | OutputBecomesInput, Fn); | ||||
10672 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||
10673 | OutputBecomesInput, Fn); | ||||
10674 | break; | ||||
10675 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||
10676 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | ||||
10677 | OutputBecomesInput, Fn); | ||||
10678 | break; | ||||
10679 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||
10680 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | ||||
10681 | OutputBecomesInput, Fn); | ||||
10682 | break; | ||||
10683 | } | ||||
10684 | } | ||||
10685 | } else { | ||||
10686 | // If no user simdlen is provided, follow the AAVFABI rules for | ||||
10687 | // generating the vector length. | ||||
10688 | if (ISA == 's') { | ||||
10689 | // SVE, section 3.4.1, item 1. | ||||
10690 | addAArch64VectorName("x", "M", Prefix, ISA, ParSeq, MangledName, | ||||
10691 | OutputBecomesInput, Fn); | ||||
10692 | } else { | ||||
10693 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10693, __PRETTY_FUNCTION__)); | ||||
10694 | // Advanced SIMD, Section 3.3.1 of the AAVFABI, generates one or | ||||
10695 | // two vector names depending on the use of the clause | ||||
10696 | // `[not]inbranch`. | ||||
10697 | switch (State) { | ||||
10698 | case OMPDeclareSimdDeclAttr::BS_Undefined: | ||||
10699 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | ||||
10700 | OutputBecomesInput, Fn); | ||||
10701 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | ||||
10702 | OutputBecomesInput, Fn); | ||||
10703 | break; | ||||
10704 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | ||||
10705 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | ||||
10706 | OutputBecomesInput, Fn); | ||||
10707 | break; | ||||
10708 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | ||||
10709 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | ||||
10710 | OutputBecomesInput, Fn); | ||||
10711 | break; | ||||
10712 | } | ||||
10713 | } | ||||
10714 | } | ||||
10715 | } | ||||
10716 | |||||
10717 | void CGOpenMPRuntime::emitDeclareSimdFunction(const FunctionDecl *FD, | ||||
10718 | llvm::Function *Fn) { | ||||
10719 | ASTContext &C = CGM.getContext(); | ||||
10720 | FD = FD->getMostRecentDecl(); | ||||
10721 | // Map params to their positions in function decl. | ||||
10722 | llvm::DenseMap<const Decl *, unsigned> ParamPositions; | ||||
10723 | if (isa<CXXMethodDecl>(FD)) | ||||
10724 | ParamPositions.try_emplace(FD, 0); | ||||
10725 | unsigned ParamPos = ParamPositions.size(); | ||||
10726 | for (const ParmVarDecl *P : FD->parameters()) { | ||||
10727 | ParamPositions.try_emplace(P->getCanonicalDecl(), ParamPos); | ||||
10728 | ++ParamPos; | ||||
10729 | } | ||||
10730 | while (FD) { | ||||
10731 | for (const auto *Attr : FD->specific_attrs<OMPDeclareSimdDeclAttr>()) { | ||||
10732 | llvm::SmallVector<ParamAttrTy, 8> ParamAttrs(ParamPositions.size()); | ||||
10733 | // Mark uniform parameters. | ||||
10734 | for (const Expr *E : Attr->uniforms()) { | ||||
10735 | E = E->IgnoreParenImpCasts(); | ||||
10736 | unsigned Pos; | ||||
10737 | if (isa<CXXThisExpr>(E)) { | ||||
10738 | Pos = ParamPositions[FD]; | ||||
10739 | } else { | ||||
10740 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||
10741 | ->getCanonicalDecl(); | ||||
10742 | Pos = ParamPositions[PVD]; | ||||
10743 | } | ||||
10744 | ParamAttrs[Pos].Kind = Uniform; | ||||
10745 | } | ||||
10746 | // Get alignment info. | ||||
10747 | auto NI = Attr->alignments_begin(); | ||||
10748 | for (const Expr *E : Attr->aligneds()) { | ||||
10749 | E = E->IgnoreParenImpCasts(); | ||||
10750 | unsigned Pos; | ||||
10751 | QualType ParmTy; | ||||
10752 | if (isa<CXXThisExpr>(E)) { | ||||
10753 | Pos = ParamPositions[FD]; | ||||
10754 | ParmTy = E->getType(); | ||||
10755 | } else { | ||||
10756 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||
10757 | ->getCanonicalDecl(); | ||||
10758 | Pos = ParamPositions[PVD]; | ||||
10759 | ParmTy = PVD->getType(); | ||||
10760 | } | ||||
10761 | ParamAttrs[Pos].Alignment = | ||||
10762 | (*NI) | ||||
10763 | ? (*NI)->EvaluateKnownConstInt(C) | ||||
10764 | : llvm::APSInt::getUnsigned( | ||||
10765 | C.toCharUnitsFromBits(C.getOpenMPDefaultSimdAlign(ParmTy)) | ||||
10766 | .getQuantity()); | ||||
10767 | ++NI; | ||||
10768 | } | ||||
10769 | // Mark linear parameters. | ||||
10770 | auto SI = Attr->steps_begin(); | ||||
10771 | auto MI = Attr->modifiers_begin(); | ||||
10772 | for (const Expr *E : Attr->linears()) { | ||||
10773 | E = E->IgnoreParenImpCasts(); | ||||
10774 | unsigned Pos; | ||||
10775 | if (isa<CXXThisExpr>(E)) { | ||||
10776 | Pos = ParamPositions[FD]; | ||||
10777 | } else { | ||||
10778 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | ||||
10779 | ->getCanonicalDecl(); | ||||
10780 | Pos = ParamPositions[PVD]; | ||||
10781 | } | ||||
10782 | ParamAttrTy &ParamAttr = ParamAttrs[Pos]; | ||||
10783 | ParamAttr.Kind = Linear; | ||||
10784 | if (*SI) { | ||||
10785 | Expr::EvalResult Result; | ||||
10786 | if (!(*SI)->EvaluateAsInt(Result, C, Expr::SE_AllowSideEffects)) { | ||||
10787 | if (const auto *DRE = | ||||
10788 | cast<DeclRefExpr>((*SI)->IgnoreParenImpCasts())) { | ||||
10789 | if (const auto *StridePVD = cast<ParmVarDecl>(DRE->getDecl())) { | ||||
10790 | ParamAttr.Kind = LinearWithVarStride; | ||||
10791 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned( | ||||
10792 | ParamPositions[StridePVD->getCanonicalDecl()]); | ||||
10793 | } | ||||
10794 | } | ||||
10795 | } else { | ||||
10796 | ParamAttr.StrideOrArg = Result.Val.getInt(); | ||||
10797 | } | ||||
10798 | } | ||||
10799 | ++SI; | ||||
10800 | ++MI; | ||||
10801 | } | ||||
10802 | llvm::APSInt VLENVal; | ||||
10803 | SourceLocation ExprLoc; | ||||
10804 | const Expr *VLENExpr = Attr->getSimdlen(); | ||||
10805 | if (VLENExpr) { | ||||
10806 | VLENVal = VLENExpr->EvaluateKnownConstInt(C); | ||||
10807 | ExprLoc = VLENExpr->getExprLoc(); | ||||
10808 | } | ||||
10809 | OMPDeclareSimdDeclAttr::BranchStateTy State = Attr->getBranchState(); | ||||
10810 | if (CGM.getTriple().isX86()) { | ||||
10811 | emitX86DeclareSimdFunction(FD, Fn, VLENVal, ParamAttrs, State); | ||||
10812 | } else if (CGM.getTriple().getArch() == llvm::Triple::aarch64) { | ||||
10813 | unsigned VLEN = VLENVal.getExtValue(); | ||||
10814 | StringRef MangledName = Fn->getName(); | ||||
10815 | if (CGM.getTarget().hasFeature("sve")) | ||||
10816 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | ||||
10817 | MangledName, 's', 128, Fn, ExprLoc); | ||||
10818 | if (CGM.getTarget().hasFeature("neon")) | ||||
10819 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | ||||
10820 | MangledName, 'n', 128, Fn, ExprLoc); | ||||
10821 | } | ||||
10822 | } | ||||
10823 | FD = FD->getPreviousDecl(); | ||||
10824 | } | ||||
10825 | } | ||||
10826 | |||||
10827 | namespace { | ||||
10828 | /// Cleanup action for doacross support. | ||||
10829 | class DoacrossCleanupTy final : public EHScopeStack::Cleanup { | ||||
10830 | public: | ||||
10831 | static const int DoacrossFinArgs = 2; | ||||
10832 | |||||
10833 | private: | ||||
10834 | llvm::FunctionCallee RTLFn; | ||||
10835 | llvm::Value *Args[DoacrossFinArgs]; | ||||
10836 | |||||
10837 | public: | ||||
10838 | DoacrossCleanupTy(llvm::FunctionCallee RTLFn, | ||||
10839 | ArrayRef<llvm::Value *> CallArgs) | ||||
10840 | : RTLFn(RTLFn) { | ||||
10841 | assert(CallArgs.size() == DoacrossFinArgs)((CallArgs.size() == DoacrossFinArgs) ? static_cast<void> (0) : __assert_fail ("CallArgs.size() == DoacrossFinArgs", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10841, __PRETTY_FUNCTION__)); | ||||
10842 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | ||||
10843 | } | ||||
10844 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||
10845 | if (!CGF.HaveInsertPoint()) | ||||
10846 | return; | ||||
10847 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||
10848 | } | ||||
10849 | }; | ||||
10850 | } // namespace | ||||
10851 | |||||
10852 | void CGOpenMPRuntime::emitDoacrossInit(CodeGenFunction &CGF, | ||||
10853 | const OMPLoopDirective &D, | ||||
10854 | ArrayRef<Expr *> NumIterations) { | ||||
10855 | if (!CGF.HaveInsertPoint()) | ||||
10856 | return; | ||||
10857 | |||||
10858 | ASTContext &C = CGM.getContext(); | ||||
10859 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | ||||
10860 | RecordDecl *RD; | ||||
10861 | if (KmpDimTy.isNull()) { | ||||
10862 | // Build struct kmp_dim { // loop bounds info casted to kmp_int64 | ||||
10863 | // kmp_int64 lo; // lower | ||||
10864 | // kmp_int64 up; // upper | ||||
10865 | // kmp_int64 st; // stride | ||||
10866 | // }; | ||||
10867 | RD = C.buildImplicitRecord("kmp_dim"); | ||||
10868 | RD->startDefinition(); | ||||
10869 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||
10870 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||
10871 | addFieldToRecordDecl(C, RD, Int64Ty); | ||||
10872 | RD->completeDefinition(); | ||||
10873 | KmpDimTy = C.getRecordType(RD); | ||||
10874 | } else { | ||||
10875 | RD = cast<RecordDecl>(KmpDimTy->getAsTagDecl()); | ||||
10876 | } | ||||
10877 | llvm::APInt Size(/*numBits=*/32, NumIterations.size()); | ||||
10878 | QualType ArrayTy = | ||||
10879 | C.getConstantArrayType(KmpDimTy, Size, nullptr, ArrayType::Normal, 0); | ||||
10880 | |||||
10881 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | ||||
10882 | CGF.EmitNullInitialization(DimsAddr, ArrayTy); | ||||
10883 | enum { LowerFD = 0, UpperFD, StrideFD }; | ||||
10884 | // Fill dims with data. | ||||
10885 | for (unsigned I = 0, E = NumIterations.size(); I < E; ++I) { | ||||
10886 | LValue DimsLVal = CGF.MakeAddrLValue( | ||||
10887 | CGF.Builder.CreateConstArrayGEP(DimsAddr, I), KmpDimTy); | ||||
10888 | // dims.upper = num_iterations; | ||||
10889 | LValue UpperLVal = CGF.EmitLValueForField( | ||||
10890 | DimsLVal, *std::next(RD->field_begin(), UpperFD)); | ||||
10891 | llvm::Value *NumIterVal = | ||||
10892 | CGF.EmitScalarConversion(CGF.EmitScalarExpr(NumIterations[I]), | ||||
10893 | D.getNumIterations()->getType(), Int64Ty, | ||||
10894 | D.getNumIterations()->getExprLoc()); | ||||
10895 | CGF.EmitStoreOfScalar(NumIterVal, UpperLVal); | ||||
10896 | // dims.stride = 1; | ||||
10897 | LValue StrideLVal = CGF.EmitLValueForField( | ||||
10898 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | ||||
10899 | CGF.EmitStoreOfScalar(llvm::ConstantInt::getSigned(CGM.Int64Ty, /*V=*/1), | ||||
10900 | StrideLVal); | ||||
10901 | } | ||||
10902 | |||||
10903 | // Build call void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, | ||||
10904 | // kmp_int32 num_dims, struct kmp_dim * dims); | ||||
10905 | llvm::Value *Args[] = { | ||||
10906 | emitUpdateLocation(CGF, D.getBeginLoc()), | ||||
10907 | getThreadID(CGF, D.getBeginLoc()), | ||||
10908 | llvm::ConstantInt::getSigned(CGM.Int32Ty, NumIterations.size()), | ||||
10909 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
10910 | CGF.Builder.CreateConstArrayGEP(DimsAddr, 0).getPointer(), | ||||
10911 | CGM.VoidPtrTy)}; | ||||
10912 | |||||
10913 | llvm::FunctionCallee RTLFn = | ||||
10914 | createRuntimeFunction(OMPRTL__kmpc_doacross_init); | ||||
10915 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||
10916 | llvm::Value *FiniArgs[DoacrossCleanupTy::DoacrossFinArgs] = { | ||||
10917 | emitUpdateLocation(CGF, D.getEndLoc()), getThreadID(CGF, D.getEndLoc())}; | ||||
10918 | llvm::FunctionCallee FiniRTLFn = | ||||
10919 | createRuntimeFunction(OMPRTL__kmpc_doacross_fini); | ||||
10920 | CGF.EHStack.pushCleanup<DoacrossCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | ||||
10921 | llvm::makeArrayRef(FiniArgs)); | ||||
10922 | } | ||||
10923 | |||||
10924 | void CGOpenMPRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | ||||
10925 | const OMPDependClause *C) { | ||||
10926 | QualType Int64Ty = | ||||
10927 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||
10928 | llvm::APInt Size(/*numBits=*/32, C->getNumLoops()); | ||||
10929 | QualType ArrayTy = CGM.getContext().getConstantArrayType( | ||||
10930 | Int64Ty, Size, nullptr, ArrayType::Normal, 0); | ||||
10931 | Address CntAddr = CGF.CreateMemTemp(ArrayTy, ".cnt.addr"); | ||||
10932 | for (unsigned I = 0, E = C->getNumLoops(); I < E; ++I) { | ||||
10933 | const Expr *CounterVal = C->getLoopData(I); | ||||
10934 | assert(CounterVal)((CounterVal) ? static_cast<void> (0) : __assert_fail ( "CounterVal", "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10934, __PRETTY_FUNCTION__)); | ||||
10935 | llvm::Value *CntVal = CGF.EmitScalarConversion( | ||||
10936 | CGF.EmitScalarExpr(CounterVal), CounterVal->getType(), Int64Ty, | ||||
10937 | CounterVal->getExprLoc()); | ||||
10938 | CGF.EmitStoreOfScalar(CntVal, CGF.Builder.CreateConstArrayGEP(CntAddr, I), | ||||
10939 | /*Volatile=*/false, Int64Ty); | ||||
10940 | } | ||||
10941 | llvm::Value *Args[] = { | ||||
10942 | emitUpdateLocation(CGF, C->getBeginLoc()), | ||||
10943 | getThreadID(CGF, C->getBeginLoc()), | ||||
10944 | CGF.Builder.CreateConstArrayGEP(CntAddr, 0).getPointer()}; | ||||
10945 | llvm::FunctionCallee RTLFn; | ||||
10946 | if (C->getDependencyKind() == OMPC_DEPEND_source) { | ||||
10947 | RTLFn = createRuntimeFunction(OMPRTL__kmpc_doacross_post); | ||||
10948 | } else { | ||||
10949 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10949, __PRETTY_FUNCTION__)); | ||||
10950 | RTLFn = createRuntimeFunction(OMPRTL__kmpc_doacross_wait); | ||||
10951 | } | ||||
10952 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||
10953 | } | ||||
10954 | |||||
10955 | void CGOpenMPRuntime::emitCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
10956 | llvm::FunctionCallee Callee, | ||||
10957 | ArrayRef<llvm::Value *> Args) const { | ||||
10958 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10958, __PRETTY_FUNCTION__)); | ||||
10959 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | ||||
10960 | |||||
10961 | if (auto *Fn = dyn_cast<llvm::Function>(Callee.getCallee())) { | ||||
10962 | if (Fn->doesNotThrow()) { | ||||
10963 | CGF.EmitNounwindRuntimeCall(Fn, Args); | ||||
10964 | return; | ||||
10965 | } | ||||
10966 | } | ||||
10967 | CGF.EmitRuntimeCall(Callee, Args); | ||||
10968 | } | ||||
10969 | |||||
10970 | void CGOpenMPRuntime::emitOutlinedFunctionCall( | ||||
10971 | CodeGenFunction &CGF, SourceLocation Loc, llvm::FunctionCallee OutlinedFn, | ||||
10972 | ArrayRef<llvm::Value *> Args) const { | ||||
10973 | emitCall(CGF, Loc, OutlinedFn, Args); | ||||
10974 | } | ||||
10975 | |||||
10976 | void CGOpenMPRuntime::emitFunctionProlog(CodeGenFunction &CGF, const Decl *D) { | ||||
10977 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) | ||||
10978 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD)) | ||||
10979 | HasEmittedDeclareTargetRegion = true; | ||||
10980 | } | ||||
10981 | |||||
10982 | Address CGOpenMPRuntime::getParameterAddress(CodeGenFunction &CGF, | ||||
10983 | const VarDecl *NativeParam, | ||||
10984 | const VarDecl *TargetParam) const { | ||||
10985 | return CGF.GetAddrOfLocalVar(NativeParam); | ||||
10986 | } | ||||
10987 | |||||
10988 | namespace { | ||||
10989 | /// Cleanup action for allocate support. | ||||
10990 | class OMPAllocateCleanupTy final : public EHScopeStack::Cleanup { | ||||
10991 | public: | ||||
10992 | static const int CleanupArgs = 3; | ||||
10993 | |||||
10994 | private: | ||||
10995 | llvm::FunctionCallee RTLFn; | ||||
10996 | llvm::Value *Args[CleanupArgs]; | ||||
10997 | |||||
10998 | public: | ||||
10999 | OMPAllocateCleanupTy(llvm::FunctionCallee RTLFn, | ||||
11000 | ArrayRef<llvm::Value *> CallArgs) | ||||
11001 | : RTLFn(RTLFn) { | ||||
11002 | assert(CallArgs.size() == CleanupArgs &&((CallArgs.size() == CleanupArgs && "Size of arguments does not match." ) ? static_cast<void> (0) : __assert_fail ("CallArgs.size() == CleanupArgs && \"Size of arguments does not match.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11003, __PRETTY_FUNCTION__)) | ||||
11003 | "Size of arguments does not match.")((CallArgs.size() == CleanupArgs && "Size of arguments does not match." ) ? static_cast<void> (0) : __assert_fail ("CallArgs.size() == CleanupArgs && \"Size of arguments does not match.\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11003, __PRETTY_FUNCTION__)); | ||||
11004 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | ||||
11005 | } | ||||
11006 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | ||||
11007 | if (!CGF.HaveInsertPoint()) | ||||
11008 | return; | ||||
11009 | CGF.EmitRuntimeCall(RTLFn, Args); | ||||
11010 | } | ||||
11011 | }; | ||||
11012 | } // namespace | ||||
11013 | |||||
11014 | Address CGOpenMPRuntime::getAddressOfLocalVariable(CodeGenFunction &CGF, | ||||
11015 | const VarDecl *VD) { | ||||
11016 | if (!VD) | ||||
11017 | return Address::invalid(); | ||||
11018 | const VarDecl *CVD = VD->getCanonicalDecl(); | ||||
11019 | if (!CVD->hasAttr<OMPAllocateDeclAttr>()) | ||||
11020 | return Address::invalid(); | ||||
11021 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | ||||
11022 | // Use the default allocation. | ||||
11023 | if (AA->getAllocatorType() == OMPAllocateDeclAttr::OMPDefaultMemAlloc && | ||||
11024 | !AA->getAllocator()) | ||||
11025 | return Address::invalid(); | ||||
11026 | llvm::Value *Size; | ||||
11027 | CharUnits Align = CGM.getContext().getDeclAlign(CVD); | ||||
11028 | if (CVD->getType()->isVariablyModifiedType()) { | ||||
11029 | Size = CGF.getTypeSize(CVD->getType()); | ||||
11030 | // Align the size: ((size + align - 1) / align) * align | ||||
11031 | Size = CGF.Builder.CreateNUWAdd( | ||||
11032 | Size, CGM.getSize(Align - CharUnits::fromQuantity(1))); | ||||
11033 | Size = CGF.Builder.CreateUDiv(Size, CGM.getSize(Align)); | ||||
11034 | Size = CGF.Builder.CreateNUWMul(Size, CGM.getSize(Align)); | ||||
11035 | } else { | ||||
11036 | CharUnits Sz = CGM.getContext().getTypeSizeInChars(CVD->getType()); | ||||
11037 | Size = CGM.getSize(Sz.alignTo(Align)); | ||||
11038 | } | ||||
11039 | llvm::Value *ThreadID = getThreadID(CGF, CVD->getBeginLoc()); | ||||
11040 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11041, __PRETTY_FUNCTION__)) | ||||
11041 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11041, __PRETTY_FUNCTION__)); | ||||
11042 | llvm::Value *Allocator = CGF.EmitScalarExpr(AA->getAllocator()); | ||||
11043 | // According to the standard, the original allocator type is a enum (integer). | ||||
11044 | // Convert to pointer type, if required. | ||||
11045 | if (Allocator->getType()->isIntegerTy()) | ||||
11046 | Allocator = CGF.Builder.CreateIntToPtr(Allocator, CGM.VoidPtrTy); | ||||
11047 | else if (Allocator->getType()->isPointerTy()) | ||||
11048 | Allocator = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Allocator, | ||||
11049 | CGM.VoidPtrTy); | ||||
11050 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | ||||
11051 | |||||
11052 | llvm::Value *Addr = | ||||
11053 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_alloc), Args, | ||||
11054 | getName({CVD->getName(), ".void.addr"})); | ||||
11055 | llvm::Value *FiniArgs[OMPAllocateCleanupTy::CleanupArgs] = {ThreadID, Addr, | ||||
11056 | Allocator}; | ||||
11057 | llvm::FunctionCallee FiniRTLFn = createRuntimeFunction(OMPRTL__kmpc_free); | ||||
11058 | |||||
11059 | CGF.EHStack.pushCleanup<OMPAllocateCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | ||||
11060 | llvm::makeArrayRef(FiniArgs)); | ||||
11061 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
11062 | Addr, | ||||
11063 | CGF.ConvertTypeForMem(CGM.getContext().getPointerType(CVD->getType())), | ||||
11064 | getName({CVD->getName(), ".addr"})); | ||||
11065 | return Address(Addr, Align); | ||||
11066 | } | ||||
11067 | |||||
11068 | /// Finds the variant function that matches current context with its context | ||||
11069 | /// selector. | ||||
11070 | static const FunctionDecl *getDeclareVariantFunction(CodeGenModule &CGM, | ||||
11071 | const FunctionDecl *FD) { | ||||
11072 | if (!FD->hasAttrs() || !FD->hasAttr<OMPDeclareVariantAttr>()) | ||||
11073 | return FD; | ||||
11074 | |||||
11075 | SmallVector<Expr *, 8> VariantExprs; | ||||
11076 | SmallVector<VariantMatchInfo, 8> VMIs; | ||||
11077 | for (const auto *A : FD->specific_attrs<OMPDeclareVariantAttr>()) { | ||||
11078 | const OMPTraitInfo &TI = A->getTraitInfos(); | ||||
11079 | VMIs.push_back(VariantMatchInfo()); | ||||
11080 | TI.getAsVariantMatchInfo(CGM.getContext(), VMIs.back()); | ||||
11081 | VariantExprs.push_back(A->getVariantFuncRef()); | ||||
11082 | } | ||||
11083 | |||||
11084 | OMPContext Ctx(CGM.getLangOpts().OpenMPIsDevice, CGM.getTriple()); | ||||
11085 | // FIXME: Keep the context in the OMPIRBuilder so we can add constructs as we | ||||
11086 | // build them. | ||||
11087 | |||||
11088 | int BestMatchIdx = getBestVariantMatchForContext(VMIs, Ctx); | ||||
11089 | if (BestMatchIdx < 0) | ||||
11090 | return FD; | ||||
11091 | |||||
11092 | return cast<FunctionDecl>( | ||||
11093 | cast<DeclRefExpr>(VariantExprs[BestMatchIdx]->IgnoreParenImpCasts()) | ||||
11094 | ->getDecl()); | ||||
11095 | } | ||||
11096 | |||||
11097 | bool CGOpenMPRuntime::emitDeclareVariant(GlobalDecl GD, bool IsForDefinition) { | ||||
11098 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | ||||
11099 | // If the original function is defined already, use its definition. | ||||
11100 | StringRef MangledName = CGM.getMangledName(GD); | ||||
11101 | llvm::GlobalValue *Orig = CGM.GetGlobalValue(MangledName); | ||||
11102 | if (Orig && !Orig->isDeclaration()) | ||||
11103 | return false; | ||||
11104 | const FunctionDecl *NewFD = getDeclareVariantFunction(CGM, D); | ||||
11105 | // Emit original function if it does not have declare variant attribute or the | ||||
11106 | // context does not match. | ||||
11107 | if (NewFD == D) | ||||
11108 | return false; | ||||
11109 | GlobalDecl NewGD = GD.getWithDecl(NewFD); | ||||
11110 | if (tryEmitDeclareVariant(NewGD, GD, Orig, IsForDefinition)) { | ||||
11111 | DeferredVariantFunction.erase(D); | ||||
11112 | return true; | ||||
11113 | } | ||||
11114 | DeferredVariantFunction.insert(std::make_pair(D, std::make_pair(NewGD, GD))); | ||||
11115 | return true; | ||||
11116 | } | ||||
11117 | |||||
11118 | CGOpenMPRuntime::NontemporalDeclsRAII::NontemporalDeclsRAII( | ||||
11119 | CodeGenModule &CGM, const OMPLoopDirective &S) | ||||
11120 | : CGM(CGM), NeedToPush(S.hasClausesOfKind<OMPNontemporalClause>()) { | ||||
11121 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11121, __PRETTY_FUNCTION__)); | ||||
11122 | if (!NeedToPush) | ||||
11123 | return; | ||||
11124 | NontemporalDeclsSet &DS = | ||||
11125 | CGM.getOpenMPRuntime().NontemporalDeclsStack.emplace_back(); | ||||
11126 | for (const auto *C : S.getClausesOfKind<OMPNontemporalClause>()) { | ||||
11127 | for (const Stmt *Ref : C->private_refs()) { | ||||
11128 | const auto *SimpleRefExpr = cast<Expr>(Ref)->IgnoreParenImpCasts(); | ||||
11129 | const ValueDecl *VD; | ||||
11130 | if (const auto *DRE = dyn_cast<DeclRefExpr>(SimpleRefExpr)) { | ||||
11131 | VD = DRE->getDecl(); | ||||
11132 | } else { | ||||
11133 | const auto *ME = cast<MemberExpr>(SimpleRefExpr); | ||||
11134 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11136, __PRETTY_FUNCTION__)) | ||||
11135 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11136, __PRETTY_FUNCTION__)) | ||||
11136 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11136, __PRETTY_FUNCTION__)); | ||||
11137 | VD = ME->getMemberDecl(); | ||||
11138 | } | ||||
11139 | DS.insert(VD); | ||||
11140 | } | ||||
11141 | } | ||||
11142 | } | ||||
11143 | |||||
11144 | CGOpenMPRuntime::NontemporalDeclsRAII::~NontemporalDeclsRAII() { | ||||
11145 | if (!NeedToPush) | ||||
11146 | return; | ||||
11147 | CGM.getOpenMPRuntime().NontemporalDeclsStack.pop_back(); | ||||
11148 | } | ||||
11149 | |||||
11150 | bool CGOpenMPRuntime::isNontemporalDecl(const ValueDecl *VD) const { | ||||
11151 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11151, __PRETTY_FUNCTION__)); | ||||
11152 | |||||
11153 | return llvm::any_of( | ||||
11154 | CGM.getOpenMPRuntime().NontemporalDeclsStack, | ||||
11155 | [VD](const NontemporalDeclsSet &Set) { return Set.count(VD) > 0; }); | ||||
11156 | } | ||||
11157 | |||||
11158 | void CGOpenMPRuntime::LastprivateConditionalRAII::tryToDisableInnerAnalysis( | ||||
11159 | const OMPExecutableDirective &S, | ||||
11160 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> &NeedToAddForLPCsAsDisabled) | ||||
11161 | const { | ||||
11162 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToCheckForLPCs; | ||||
11163 | // Vars in target/task regions must be excluded completely. | ||||
11164 | if (isOpenMPTargetExecutionDirective(S.getDirectiveKind()) || | ||||
11165 | isOpenMPTaskingDirective(S.getDirectiveKind())) { | ||||
11166 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
11167 | getOpenMPCaptureRegions(CaptureRegions, S.getDirectiveKind()); | ||||
11168 | const CapturedStmt *CS = S.getCapturedStmt(CaptureRegions.front()); | ||||
11169 | for (const CapturedStmt::Capture &Cap : CS->captures()) { | ||||
11170 | if (Cap.capturesVariable() || Cap.capturesVariableByCopy()) | ||||
11171 | NeedToCheckForLPCs.insert(Cap.getCapturedVar()); | ||||
11172 | } | ||||
11173 | } | ||||
11174 | // Exclude vars in private clauses. | ||||
11175 | for (const auto *C : S.getClausesOfKind<OMPPrivateClause>()) { | ||||
11176 | for (const Expr *Ref : C->varlists()) { | ||||
11177 | if (!Ref->getType()->isScalarType()) | ||||
11178 | continue; | ||||
11179 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||
11180 | if (!DRE) | ||||
11181 | continue; | ||||
11182 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||
11183 | } | ||||
11184 | } | ||||
11185 | for (const auto *C : S.getClausesOfKind<OMPFirstprivateClause>()) { | ||||
11186 | for (const Expr *Ref : C->varlists()) { | ||||
11187 | if (!Ref->getType()->isScalarType()) | ||||
11188 | continue; | ||||
11189 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||
11190 | if (!DRE) | ||||
11191 | continue; | ||||
11192 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||
11193 | } | ||||
11194 | } | ||||
11195 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | ||||
11196 | for (const Expr *Ref : C->varlists()) { | ||||
11197 | if (!Ref->getType()->isScalarType()) | ||||
11198 | continue; | ||||
11199 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||
11200 | if (!DRE) | ||||
11201 | continue; | ||||
11202 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||
11203 | } | ||||
11204 | } | ||||
11205 | for (const auto *C : S.getClausesOfKind<OMPReductionClause>()) { | ||||
11206 | for (const Expr *Ref : C->varlists()) { | ||||
11207 | if (!Ref->getType()->isScalarType()) | ||||
11208 | continue; | ||||
11209 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||
11210 | if (!DRE) | ||||
11211 | continue; | ||||
11212 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||
11213 | } | ||||
11214 | } | ||||
11215 | for (const auto *C : S.getClausesOfKind<OMPLinearClause>()) { | ||||
11216 | for (const Expr *Ref : C->varlists()) { | ||||
11217 | if (!Ref->getType()->isScalarType()) | ||||
11218 | continue; | ||||
11219 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | ||||
11220 | if (!DRE) | ||||
11221 | continue; | ||||
11222 | NeedToCheckForLPCs.insert(DRE->getDecl()); | ||||
11223 | } | ||||
11224 | } | ||||
11225 | for (const Decl *VD : NeedToCheckForLPCs) { | ||||
11226 | for (const LastprivateConditionalData &Data : | ||||
11227 | llvm::reverse(CGM.getOpenMPRuntime().LastprivateConditionalStack)) { | ||||
11228 | if (Data.DeclToUniqueName.count(VD) > 0) { | ||||
11229 | if (!Data.Disabled) | ||||
11230 | NeedToAddForLPCsAsDisabled.insert(VD); | ||||
11231 | break; | ||||
11232 | } | ||||
11233 | } | ||||
11234 | } | ||||
11235 | } | ||||
11236 | |||||
11237 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | ||||
11238 | CodeGenFunction &CGF, const OMPExecutableDirective &S, LValue IVLVal) | ||||
11239 | : CGM(CGF.CGM), | ||||
11240 | Action((CGM.getLangOpts().OpenMP >= 50 && | ||||
11241 | llvm::any_of(S.getClausesOfKind<OMPLastprivateClause>(), | ||||
11242 | [](const OMPLastprivateClause *C) { | ||||
11243 | return C->getKind() == | ||||
11244 | OMPC_LASTPRIVATE_conditional; | ||||
11245 | })) | ||||
11246 | ? ActionToDo::PushAsLastprivateConditional | ||||
11247 | : ActionToDo::DoNotPush) { | ||||
11248 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11248, __PRETTY_FUNCTION__)); | ||||
11249 | if (CGM.getLangOpts().OpenMP < 50 || Action == ActionToDo::DoNotPush) | ||||
11250 | return; | ||||
11251 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11252, __PRETTY_FUNCTION__)) | ||||
11252 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11252, __PRETTY_FUNCTION__)); | ||||
11253 | LastprivateConditionalData &Data = | ||||
11254 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | ||||
11255 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | ||||
11256 | if (C->getKind() != OMPC_LASTPRIVATE_conditional) | ||||
11257 | continue; | ||||
11258 | |||||
11259 | for (const Expr *Ref : C->varlists()) { | ||||
11260 | Data.DeclToUniqueName.insert(std::make_pair( | ||||
11261 | cast<DeclRefExpr>(Ref->IgnoreParenImpCasts())->getDecl(), | ||||
11262 | SmallString<16>(generateUniqueName(CGM, "pl_cond", Ref)))); | ||||
11263 | } | ||||
11264 | } | ||||
11265 | Data.IVLVal = IVLVal; | ||||
11266 | Data.Fn = CGF.CurFn; | ||||
11267 | } | ||||
11268 | |||||
11269 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | ||||
11270 | CodeGenFunction &CGF, const OMPExecutableDirective &S) | ||||
11271 | : CGM(CGF.CGM), Action(ActionToDo::DoNotPush) { | ||||
11272 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11272, __PRETTY_FUNCTION__)); | ||||
11273 | if (CGM.getLangOpts().OpenMP < 50) | ||||
11274 | return; | ||||
11275 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToAddForLPCsAsDisabled; | ||||
11276 | tryToDisableInnerAnalysis(S, NeedToAddForLPCsAsDisabled); | ||||
11277 | if (!NeedToAddForLPCsAsDisabled.empty()) { | ||||
11278 | Action = ActionToDo::DisableLastprivateConditional; | ||||
11279 | LastprivateConditionalData &Data = | ||||
11280 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | ||||
11281 | for (const Decl *VD : NeedToAddForLPCsAsDisabled) | ||||
11282 | Data.DeclToUniqueName.insert(std::make_pair(VD, SmallString<16>())); | ||||
11283 | Data.Fn = CGF.CurFn; | ||||
11284 | Data.Disabled = true; | ||||
11285 | } | ||||
11286 | } | ||||
11287 | |||||
11288 | CGOpenMPRuntime::LastprivateConditionalRAII | ||||
11289 | CGOpenMPRuntime::LastprivateConditionalRAII::disable( | ||||
11290 | CodeGenFunction &CGF, const OMPExecutableDirective &S) { | ||||
11291 | return LastprivateConditionalRAII(CGF, S); | ||||
11292 | } | ||||
11293 | |||||
11294 | CGOpenMPRuntime::LastprivateConditionalRAII::~LastprivateConditionalRAII() { | ||||
11295 | if (CGM.getLangOpts().OpenMP < 50) | ||||
11296 | return; | ||||
11297 | if (Action == ActionToDo::DisableLastprivateConditional) { | ||||
11298 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11299, __PRETTY_FUNCTION__)) | ||||
11299 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11299, __PRETTY_FUNCTION__)); | ||||
11300 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | ||||
11301 | } | ||||
11302 | if (Action == ActionToDo::PushAsLastprivateConditional) { | ||||
11303 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11305, __PRETTY_FUNCTION__)) | ||||
11304 | !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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11305, __PRETTY_FUNCTION__)) | ||||
11305 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11305, __PRETTY_FUNCTION__)); | ||||
11306 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | ||||
11307 | } | ||||
11308 | } | ||||
11309 | |||||
11310 | Address CGOpenMPRuntime::emitLastprivateConditionalInit(CodeGenFunction &CGF, | ||||
11311 | const VarDecl *VD) { | ||||
11312 | ASTContext &C = CGM.getContext(); | ||||
11313 | auto I = LastprivateConditionalToTypes.find(CGF.CurFn); | ||||
11314 | if (I == LastprivateConditionalToTypes.end()) | ||||
11315 | I = LastprivateConditionalToTypes.try_emplace(CGF.CurFn).first; | ||||
11316 | QualType NewType; | ||||
11317 | const FieldDecl *VDField; | ||||
11318 | const FieldDecl *FiredField; | ||||
11319 | LValue BaseLVal; | ||||
11320 | auto VI = I->getSecond().find(VD); | ||||
11321 | if (VI == I->getSecond().end()) { | ||||
11322 | RecordDecl *RD = C.buildImplicitRecord("lasprivate.conditional"); | ||||
11323 | RD->startDefinition(); | ||||
11324 | VDField = addFieldToRecordDecl(C, RD, VD->getType().getNonReferenceType()); | ||||
11325 | FiredField = addFieldToRecordDecl(C, RD, C.CharTy); | ||||
11326 | RD->completeDefinition(); | ||||
11327 | NewType = C.getRecordType(RD); | ||||
11328 | Address Addr = CGF.CreateMemTemp(NewType, C.getDeclAlign(VD), VD->getName()); | ||||
11329 | BaseLVal = CGF.MakeAddrLValue(Addr, NewType, AlignmentSource::Decl); | ||||
11330 | I->getSecond().try_emplace(VD, NewType, VDField, FiredField, BaseLVal); | ||||
11331 | } else { | ||||
11332 | NewType = std::get<0>(VI->getSecond()); | ||||
11333 | VDField = std::get<1>(VI->getSecond()); | ||||
11334 | FiredField = std::get<2>(VI->getSecond()); | ||||
11335 | BaseLVal = std::get<3>(VI->getSecond()); | ||||
11336 | } | ||||
11337 | LValue FiredLVal = | ||||
11338 | CGF.EmitLValueForField(BaseLVal, FiredField); | ||||
11339 | CGF.EmitStoreOfScalar( | ||||
11340 | llvm::ConstantInt::getNullValue(CGF.ConvertTypeForMem(C.CharTy)), | ||||
11341 | FiredLVal); | ||||
11342 | return CGF.EmitLValueForField(BaseLVal, VDField).getAddress(CGF); | ||||
11343 | } | ||||
11344 | |||||
11345 | namespace { | ||||
11346 | /// Checks if the lastprivate conditional variable is referenced in LHS. | ||||
11347 | class LastprivateConditionalRefChecker final | ||||
11348 | : public ConstStmtVisitor<LastprivateConditionalRefChecker, bool> { | ||||
11349 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM; | ||||
11350 | const Expr *FoundE = nullptr; | ||||
11351 | const Decl *FoundD = nullptr; | ||||
11352 | StringRef UniqueDeclName; | ||||
11353 | LValue IVLVal; | ||||
11354 | llvm::Function *FoundFn = nullptr; | ||||
11355 | SourceLocation Loc; | ||||
11356 | |||||
11357 | public: | ||||
11358 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
11359 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | ||||
11360 | llvm::reverse(LPM)) { | ||||
11361 | auto It = D.DeclToUniqueName.find(E->getDecl()); | ||||
11362 | if (It == D.DeclToUniqueName.end()) | ||||
11363 | continue; | ||||
11364 | if (D.Disabled) | ||||
11365 | return false; | ||||
11366 | FoundE = E; | ||||
11367 | FoundD = E->getDecl()->getCanonicalDecl(); | ||||
11368 | UniqueDeclName = It->second; | ||||
11369 | IVLVal = D.IVLVal; | ||||
11370 | FoundFn = D.Fn; | ||||
11371 | break; | ||||
11372 | } | ||||
11373 | return FoundE == E; | ||||
11374 | } | ||||
11375 | bool VisitMemberExpr(const MemberExpr *E) { | ||||
11376 | if (!CodeGenFunction::IsWrappedCXXThis(E->getBase())) | ||||
11377 | return false; | ||||
11378 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | ||||
11379 | llvm::reverse(LPM)) { | ||||
11380 | auto It = D.DeclToUniqueName.find(E->getMemberDecl()); | ||||
11381 | if (It == D.DeclToUniqueName.end()) | ||||
11382 | continue; | ||||
11383 | if (D.Disabled) | ||||
11384 | return false; | ||||
11385 | FoundE = E; | ||||
11386 | FoundD = E->getMemberDecl()->getCanonicalDecl(); | ||||
11387 | UniqueDeclName = It->second; | ||||
11388 | IVLVal = D.IVLVal; | ||||
11389 | FoundFn = D.Fn; | ||||
11390 | break; | ||||
11391 | } | ||||
11392 | return FoundE == E; | ||||
11393 | } | ||||
11394 | bool VisitStmt(const Stmt *S) { | ||||
11395 | for (const Stmt *Child : S->children()) { | ||||
11396 | if (!Child) | ||||
11397 | continue; | ||||
11398 | if (const auto *E = dyn_cast<Expr>(Child)) | ||||
11399 | if (!E->isGLValue()) | ||||
11400 | continue; | ||||
11401 | if (Visit(Child)) | ||||
11402 | return true; | ||||
11403 | } | ||||
11404 | return false; | ||||
11405 | } | ||||
11406 | explicit LastprivateConditionalRefChecker( | ||||
11407 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM) | ||||
11408 | : LPM(LPM) {} | ||||
11409 | std::tuple<const Expr *, const Decl *, StringRef, LValue, llvm::Function *> | ||||
11410 | getFoundData() const { | ||||
11411 | return std::make_tuple(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn); | ||||
11412 | } | ||||
11413 | }; | ||||
11414 | } // namespace | ||||
11415 | |||||
11416 | void CGOpenMPRuntime::emitLastprivateConditionalUpdate(CodeGenFunction &CGF, | ||||
11417 | LValue IVLVal, | ||||
11418 | StringRef UniqueDeclName, | ||||
11419 | LValue LVal, | ||||
11420 | SourceLocation Loc) { | ||||
11421 | // Last updated loop counter for the lastprivate conditional var. | ||||
11422 | // int<xx> last_iv = 0; | ||||
11423 | llvm::Type *LLIVTy = CGF.ConvertTypeForMem(IVLVal.getType()); | ||||
11424 | llvm::Constant *LastIV = | ||||
11425 | getOrCreateInternalVariable(LLIVTy, getName({UniqueDeclName, "iv"})); | ||||
11426 | cast<llvm::GlobalVariable>(LastIV)->setAlignment( | ||||
11427 | IVLVal.getAlignment().getAsAlign()); | ||||
11428 | LValue LastIVLVal = CGF.MakeNaturalAlignAddrLValue(LastIV, IVLVal.getType()); | ||||
11429 | |||||
11430 | // Last value of the lastprivate conditional. | ||||
11431 | // decltype(priv_a) last_a; | ||||
11432 | llvm::Constant *Last = getOrCreateInternalVariable( | ||||
11433 | CGF.ConvertTypeForMem(LVal.getType()), UniqueDeclName); | ||||
11434 | cast<llvm::GlobalVariable>(Last)->setAlignment( | ||||
11435 | LVal.getAlignment().getAsAlign()); | ||||
11436 | LValue LastLVal = | ||||
11437 | CGF.MakeAddrLValue(Last, LVal.getType(), LVal.getAlignment()); | ||||
11438 | |||||
11439 | // Global loop counter. Required to handle inner parallel-for regions. | ||||
11440 | // iv | ||||
11441 | llvm::Value *IVVal = CGF.EmitLoadOfScalar(IVLVal, Loc); | ||||
11442 | |||||
11443 | // #pragma omp critical(a) | ||||
11444 | // if (last_iv <= iv) { | ||||
11445 | // last_iv = iv; | ||||
11446 | // last_a = priv_a; | ||||
11447 | // } | ||||
11448 | auto &&CodeGen = [&LastIVLVal, &IVLVal, IVVal, &LVal, &LastLVal, | ||||
11449 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | ||||
11450 | Action.Enter(CGF); | ||||
11451 | llvm::Value *LastIVVal = CGF.EmitLoadOfScalar(LastIVLVal, Loc); | ||||
11452 | // (last_iv <= iv) ? Check if the variable is updated and store new | ||||
11453 | // value in global var. | ||||
11454 | llvm::Value *CmpRes; | ||||
11455 | if (IVLVal.getType()->isSignedIntegerType()) { | ||||
11456 | CmpRes = CGF.Builder.CreateICmpSLE(LastIVVal, IVVal); | ||||
11457 | } else { | ||||
11458 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11459, __PRETTY_FUNCTION__)) | ||||
11459 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11459, __PRETTY_FUNCTION__)); | ||||
11460 | CmpRes = CGF.Builder.CreateICmpULE(LastIVVal, IVVal); | ||||
11461 | } | ||||
11462 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lp_cond_then"); | ||||
11463 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock("lp_cond_exit"); | ||||
11464 | CGF.Builder.CreateCondBr(CmpRes, ThenBB, ExitBB); | ||||
11465 | // { | ||||
11466 | CGF.EmitBlock(ThenBB); | ||||
11467 | |||||
11468 | // last_iv = iv; | ||||
11469 | CGF.EmitStoreOfScalar(IVVal, LastIVLVal); | ||||
11470 | |||||
11471 | // last_a = priv_a; | ||||
11472 | switch (CGF.getEvaluationKind(LVal.getType())) { | ||||
11473 | case TEK_Scalar: { | ||||
11474 | llvm::Value *PrivVal = CGF.EmitLoadOfScalar(LVal, Loc); | ||||
11475 | CGF.EmitStoreOfScalar(PrivVal, LastLVal); | ||||
11476 | break; | ||||
11477 | } | ||||
11478 | case TEK_Complex: { | ||||
11479 | CodeGenFunction::ComplexPairTy PrivVal = CGF.EmitLoadOfComplex(LVal, Loc); | ||||
11480 | CGF.EmitStoreOfComplex(PrivVal, LastLVal, /*isInit=*/false); | ||||
11481 | break; | ||||
11482 | } | ||||
11483 | case TEK_Aggregate: | ||||
11484 | llvm_unreachable(::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11485) | ||||
11485 | "Aggregates are not supported in lastprivate conditional.")::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11485); | ||||
11486 | } | ||||
11487 | // } | ||||
11488 | CGF.EmitBranch(ExitBB); | ||||
11489 | // There is no need to emit line number for unconditional branch. | ||||
11490 | (void)ApplyDebugLocation::CreateEmpty(CGF); | ||||
11491 | CGF.EmitBlock(ExitBB, /*IsFinished=*/true); | ||||
11492 | }; | ||||
11493 | |||||
11494 | if (CGM.getLangOpts().OpenMPSimd) { | ||||
11495 | // Do not emit as a critical region as no parallel region could be emitted. | ||||
11496 | RegionCodeGenTy ThenRCG(CodeGen); | ||||
11497 | ThenRCG(CGF); | ||||
11498 | } else { | ||||
11499 | emitCriticalRegion(CGF, UniqueDeclName, CodeGen, Loc); | ||||
11500 | } | ||||
11501 | } | ||||
11502 | |||||
11503 | void CGOpenMPRuntime::checkAndEmitLastprivateConditional(CodeGenFunction &CGF, | ||||
11504 | const Expr *LHS) { | ||||
11505 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | ||||
11506 | return; | ||||
11507 | LastprivateConditionalRefChecker Checker(LastprivateConditionalStack); | ||||
11508 | if (!Checker.Visit(LHS)) | ||||
11509 | return; | ||||
11510 | const Expr *FoundE; | ||||
11511 | const Decl *FoundD; | ||||
11512 | StringRef UniqueDeclName; | ||||
11513 | LValue IVLVal; | ||||
11514 | llvm::Function *FoundFn; | ||||
11515 | std::tie(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn) = | ||||
11516 | Checker.getFoundData(); | ||||
11517 | if (FoundFn != CGF.CurFn) { | ||||
11518 | // Special codegen for inner parallel regions. | ||||
11519 | // ((struct.lastprivate.conditional*)&priv_a)->Fired = 1; | ||||
11520 | auto It = LastprivateConditionalToTypes[FoundFn].find(FoundD); | ||||
11521 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11522, __PRETTY_FUNCTION__)) | ||||
11522 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11522, __PRETTY_FUNCTION__)); | ||||
11523 | QualType StructTy = std::get<0>(It->getSecond()); | ||||
11524 | const FieldDecl* FiredDecl = std::get<2>(It->getSecond()); | ||||
11525 | LValue PrivLVal = CGF.EmitLValue(FoundE); | ||||
11526 | Address StructAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | ||||
11527 | PrivLVal.getAddress(CGF), | ||||
11528 | CGF.ConvertTypeForMem(CGF.getContext().getPointerType(StructTy))); | ||||
11529 | LValue BaseLVal = | ||||
11530 | CGF.MakeAddrLValue(StructAddr, StructTy, AlignmentSource::Decl); | ||||
11531 | LValue FiredLVal = CGF.EmitLValueForField(BaseLVal, FiredDecl); | ||||
11532 | CGF.EmitAtomicStore(RValue::get(llvm::ConstantInt::get( | ||||
11533 | CGF.ConvertTypeForMem(FiredDecl->getType()), 1)), | ||||
11534 | FiredLVal, llvm::AtomicOrdering::Unordered, | ||||
11535 | /*IsVolatile=*/true, /*isInit=*/false); | ||||
11536 | return; | ||||
11537 | } | ||||
11538 | |||||
11539 | // Private address of the lastprivate conditional in the current context. | ||||
11540 | // priv_a | ||||
11541 | LValue LVal = CGF.EmitLValue(FoundE); | ||||
11542 | emitLastprivateConditionalUpdate(CGF, IVLVal, UniqueDeclName, LVal, | ||||
11543 | FoundE->getExprLoc()); | ||||
11544 | } | ||||
11545 | |||||
11546 | void CGOpenMPRuntime::checkAndEmitSharedLastprivateConditional( | ||||
11547 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||
11548 | const llvm::DenseSet<CanonicalDeclPtr<const VarDecl>> &IgnoredDecls) { | ||||
11549 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | ||||
11550 | return; | ||||
11551 | auto Range = llvm::reverse(LastprivateConditionalStack); | ||||
11552 | auto It = llvm::find_if( | ||||
11553 | Range, [](const LastprivateConditionalData &D) { return !D.Disabled; }); | ||||
11554 | if (It == Range.end() || It->Fn != CGF.CurFn) | ||||
11555 | return; | ||||
11556 | auto LPCI = LastprivateConditionalToTypes.find(It->Fn); | ||||
11557 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11558, __PRETTY_FUNCTION__)) | ||||
11558 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11558, __PRETTY_FUNCTION__)); | ||||
11559 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
11560 | getOpenMPCaptureRegions(CaptureRegions, D.getDirectiveKind()); | ||||
11561 | const CapturedStmt *CS = D.getCapturedStmt(CaptureRegions.back()); | ||||
11562 | for (const auto &Pair : It->DeclToUniqueName) { | ||||
11563 | const auto *VD = cast<VarDecl>(Pair.first->getCanonicalDecl()); | ||||
11564 | if (!CS->capturesVariable(VD) || IgnoredDecls.count(VD) > 0) | ||||
11565 | continue; | ||||
11566 | auto I = LPCI->getSecond().find(Pair.first); | ||||
11567 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11568, __PRETTY_FUNCTION__)) | ||||
11568 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11568, __PRETTY_FUNCTION__)); | ||||
11569 | // bool Cmp = priv_a.Fired != 0; | ||||
11570 | LValue BaseLVal = std::get<3>(I->getSecond()); | ||||
11571 | LValue FiredLVal = | ||||
11572 | CGF.EmitLValueForField(BaseLVal, std::get<2>(I->getSecond())); | ||||
11573 | llvm::Value *Res = CGF.EmitLoadOfScalar(FiredLVal, D.getBeginLoc()); | ||||
11574 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Res); | ||||
11575 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lpc.then"); | ||||
11576 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("lpc.done"); | ||||
11577 | // if (Cmp) { | ||||
11578 | CGF.Builder.CreateCondBr(Cmp, ThenBB, DoneBB); | ||||
11579 | CGF.EmitBlock(ThenBB); | ||||
11580 | Address Addr = CGF.GetAddrOfLocalVar(VD); | ||||
11581 | LValue LVal; | ||||
11582 | if (VD->getType()->isReferenceType()) | ||||
11583 | LVal = CGF.EmitLoadOfReferenceLValue(Addr, VD->getType(), | ||||
11584 | AlignmentSource::Decl); | ||||
11585 | else | ||||
11586 | LVal = CGF.MakeAddrLValue(Addr, VD->getType().getNonReferenceType(), | ||||
11587 | AlignmentSource::Decl); | ||||
11588 | emitLastprivateConditionalUpdate(CGF, It->IVLVal, Pair.second, LVal, | ||||
11589 | D.getBeginLoc()); | ||||
11590 | auto AL = ApplyDebugLocation::CreateArtificial(CGF); | ||||
11591 | CGF.EmitBlock(DoneBB, /*IsFinal=*/true); | ||||
11592 | // } | ||||
11593 | } | ||||
11594 | } | ||||
11595 | |||||
11596 | void CGOpenMPRuntime::emitLastprivateConditionalFinalUpdate( | ||||
11597 | CodeGenFunction &CGF, LValue PrivLVal, const VarDecl *VD, | ||||
11598 | SourceLocation Loc) { | ||||
11599 | if (CGF.getLangOpts().OpenMP < 50) | ||||
11600 | return; | ||||
11601 | auto It = LastprivateConditionalStack.back().DeclToUniqueName.find(VD); | ||||
11602 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11603, __PRETTY_FUNCTION__)) | ||||
11603 | "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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11603, __PRETTY_FUNCTION__)); | ||||
11604 | StringRef UniqueName = It->second; | ||||
11605 | llvm::GlobalVariable *GV = CGM.getModule().getNamedGlobal(UniqueName); | ||||
11606 | // The variable was not updated in the region - exit. | ||||
11607 | if (!GV) | ||||
11608 | return; | ||||
11609 | LValue LPLVal = CGF.MakeAddrLValue( | ||||
11610 | GV, PrivLVal.getType().getNonReferenceType(), PrivLVal.getAlignment()); | ||||
11611 | llvm::Value *Res = CGF.EmitLoadOfScalar(LPLVal, Loc); | ||||
11612 | CGF.EmitStoreOfScalar(Res, PrivLVal); | ||||
11613 | } | ||||
11614 | |||||
11615 | llvm::Function *CGOpenMPSIMDRuntime::emitParallelOutlinedFunction( | ||||
11616 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
11617 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||
11618 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11618); | ||||
11619 | } | ||||
11620 | |||||
11621 | llvm::Function *CGOpenMPSIMDRuntime::emitTeamsOutlinedFunction( | ||||
11622 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
11623 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | ||||
11624 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11624); | ||||
11625 | } | ||||
11626 | |||||
11627 | llvm::Function *CGOpenMPSIMDRuntime::emitTaskOutlinedFunction( | ||||
11628 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | ||||
11629 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | ||||
11630 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | ||||
11631 | bool Tied, unsigned &NumberOfParts) { | ||||
11632 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11632); | ||||
11633 | } | ||||
11634 | |||||
11635 | void CGOpenMPSIMDRuntime::emitParallelCall(CodeGenFunction &CGF, | ||||
11636 | SourceLocation Loc, | ||||
11637 | llvm::Function *OutlinedFn, | ||||
11638 | ArrayRef<llvm::Value *> CapturedVars, | ||||
11639 | const Expr *IfCond) { | ||||
11640 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11640); | ||||
11641 | } | ||||
11642 | |||||
11643 | void CGOpenMPSIMDRuntime::emitCriticalRegion( | ||||
11644 | CodeGenFunction &CGF, StringRef CriticalName, | ||||
11645 | const RegionCodeGenTy &CriticalOpGen, SourceLocation Loc, | ||||
11646 | const Expr *Hint) { | ||||
11647 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11647); | ||||
11648 | } | ||||
11649 | |||||
11650 | void CGOpenMPSIMDRuntime::emitMasterRegion(CodeGenFunction &CGF, | ||||
11651 | const RegionCodeGenTy &MasterOpGen, | ||||
11652 | SourceLocation Loc) { | ||||
11653 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11653); | ||||
11654 | } | ||||
11655 | |||||
11656 | void CGOpenMPSIMDRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | ||||
11657 | SourceLocation Loc) { | ||||
11658 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11658); | ||||
11659 | } | ||||
11660 | |||||
11661 | void CGOpenMPSIMDRuntime::emitTaskgroupRegion( | ||||
11662 | CodeGenFunction &CGF, const RegionCodeGenTy &TaskgroupOpGen, | ||||
11663 | SourceLocation Loc) { | ||||
11664 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11664); | ||||
11665 | } | ||||
11666 | |||||
11667 | void CGOpenMPSIMDRuntime::emitSingleRegion( | ||||
11668 | CodeGenFunction &CGF, const RegionCodeGenTy &SingleOpGen, | ||||
11669 | SourceLocation Loc, ArrayRef<const Expr *> CopyprivateVars, | ||||
11670 | ArrayRef<const Expr *> DestExprs, ArrayRef<const Expr *> SrcExprs, | ||||
11671 | ArrayRef<const Expr *> AssignmentOps) { | ||||
11672 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11672); | ||||
11673 | } | ||||
11674 | |||||
11675 | void CGOpenMPSIMDRuntime::emitOrderedRegion(CodeGenFunction &CGF, | ||||
11676 | const RegionCodeGenTy &OrderedOpGen, | ||||
11677 | SourceLocation Loc, | ||||
11678 | bool IsThreads) { | ||||
11679 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11679); | ||||
11680 | } | ||||
11681 | |||||
11682 | void CGOpenMPSIMDRuntime::emitBarrierCall(CodeGenFunction &CGF, | ||||
11683 | SourceLocation Loc, | ||||
11684 | OpenMPDirectiveKind Kind, | ||||
11685 | bool EmitChecks, | ||||
11686 | bool ForceSimpleCall) { | ||||
11687 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11687); | ||||
11688 | } | ||||
11689 | |||||
11690 | void CGOpenMPSIMDRuntime::emitForDispatchInit( | ||||
11691 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
11692 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | ||||
11693 | bool Ordered, const DispatchRTInput &DispatchValues) { | ||||
11694 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11694); | ||||
11695 | } | ||||
11696 | |||||
11697 | void CGOpenMPSIMDRuntime::emitForStaticInit( | ||||
11698 | CodeGenFunction &CGF, SourceLocation Loc, OpenMPDirectiveKind DKind, | ||||
11699 | const OpenMPScheduleTy &ScheduleKind, const StaticRTInput &Values) { | ||||
11700 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11700); | ||||
11701 | } | ||||
11702 | |||||
11703 | void CGOpenMPSIMDRuntime::emitDistributeStaticInit( | ||||
11704 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
11705 | OpenMPDistScheduleClauseKind SchedKind, const StaticRTInput &Values) { | ||||
11706 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11706); | ||||
11707 | } | ||||
11708 | |||||
11709 | void CGOpenMPSIMDRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | ||||
11710 | SourceLocation Loc, | ||||
11711 | unsigned IVSize, | ||||
11712 | bool IVSigned) { | ||||
11713 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11713); | ||||
11714 | } | ||||
11715 | |||||
11716 | void CGOpenMPSIMDRuntime::emitForStaticFinish(CodeGenFunction &CGF, | ||||
11717 | SourceLocation Loc, | ||||
11718 | OpenMPDirectiveKind DKind) { | ||||
11719 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11719); | ||||
11720 | } | ||||
11721 | |||||
11722 | llvm::Value *CGOpenMPSIMDRuntime::emitForNext(CodeGenFunction &CGF, | ||||
11723 | SourceLocation Loc, | ||||
11724 | unsigned IVSize, bool IVSigned, | ||||
11725 | Address IL, Address LB, | ||||
11726 | Address UB, Address ST) { | ||||
11727 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11727); | ||||
11728 | } | ||||
11729 | |||||
11730 | void CGOpenMPSIMDRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | ||||
11731 | llvm::Value *NumThreads, | ||||
11732 | SourceLocation Loc) { | ||||
11733 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11733); | ||||
11734 | } | ||||
11735 | |||||
11736 | void CGOpenMPSIMDRuntime::emitProcBindClause(CodeGenFunction &CGF, | ||||
11737 | ProcBindKind ProcBind, | ||||
11738 | SourceLocation Loc) { | ||||
11739 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11739); | ||||
11740 | } | ||||
11741 | |||||
11742 | Address CGOpenMPSIMDRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | ||||
11743 | const VarDecl *VD, | ||||
11744 | Address VDAddr, | ||||
11745 | SourceLocation Loc) { | ||||
11746 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11746); | ||||
11747 | } | ||||
11748 | |||||
11749 | llvm::Function *CGOpenMPSIMDRuntime::emitThreadPrivateVarDefinition( | ||||
11750 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, bool PerformInit, | ||||
11751 | CodeGenFunction *CGF) { | ||||
11752 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11752); | ||||
11753 | } | ||||
11754 | |||||
11755 | Address CGOpenMPSIMDRuntime::getAddrOfArtificialThreadPrivate( | ||||
11756 | CodeGenFunction &CGF, QualType VarType, StringRef Name) { | ||||
11757 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11757); | ||||
11758 | } | ||||
11759 | |||||
11760 | void CGOpenMPSIMDRuntime::emitFlush(CodeGenFunction &CGF, | ||||
11761 | ArrayRef<const Expr *> Vars, | ||||
11762 | SourceLocation Loc, | ||||
11763 | llvm::AtomicOrdering AO) { | ||||
11764 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11764); | ||||
11765 | } | ||||
11766 | |||||
11767 | void CGOpenMPSIMDRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | ||||
11768 | const OMPExecutableDirective &D, | ||||
11769 | llvm::Function *TaskFunction, | ||||
11770 | QualType SharedsTy, Address Shareds, | ||||
11771 | const Expr *IfCond, | ||||
11772 | const OMPTaskDataTy &Data) { | ||||
11773 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11773); | ||||
11774 | } | ||||
11775 | |||||
11776 | void CGOpenMPSIMDRuntime::emitTaskLoopCall( | ||||
11777 | CodeGenFunction &CGF, SourceLocation Loc, const OMPLoopDirective &D, | ||||
11778 | llvm::Function *TaskFunction, QualType SharedsTy, Address Shareds, | ||||
11779 | const Expr *IfCond, const OMPTaskDataTy &Data) { | ||||
11780 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11780); | ||||
11781 | } | ||||
11782 | |||||
11783 | void CGOpenMPSIMDRuntime::emitReduction( | ||||
11784 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> Privates, | ||||
11785 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | ||||
11786 | ArrayRef<const Expr *> ReductionOps, ReductionOptionsTy Options) { | ||||
11787 | 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-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11787, __PRETTY_FUNCTION__)); | ||||
11788 | CGOpenMPRuntime::emitReduction(CGF, Loc, Privates, LHSExprs, RHSExprs, | ||||
11789 | ReductionOps, Options); | ||||
11790 | } | ||||
11791 | |||||
11792 | llvm::Value *CGOpenMPSIMDRuntime::emitTaskReductionInit( | ||||
11793 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | ||||
11794 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | ||||
11795 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11795); | ||||
11796 | } | ||||
11797 | |||||
11798 | void CGOpenMPSIMDRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | ||||
11799 | SourceLocation Loc, | ||||
11800 | ReductionCodeGen &RCG, | ||||
11801 | unsigned N) { | ||||
11802 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11802); | ||||
11803 | } | ||||
11804 | |||||
11805 | Address CGOpenMPSIMDRuntime::getTaskReductionItem(CodeGenFunction &CGF, | ||||
11806 | SourceLocation Loc, | ||||
11807 | llvm::Value *ReductionsPtr, | ||||
11808 | LValue SharedLVal) { | ||||
11809 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11809); | ||||
11810 | } | ||||
11811 | |||||
11812 | void CGOpenMPSIMDRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | ||||
11813 | SourceLocation Loc) { | ||||
11814 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11814); | ||||
11815 | } | ||||
11816 | |||||
11817 | void CGOpenMPSIMDRuntime::emitCancellationPointCall( | ||||
11818 | CodeGenFunction &CGF, SourceLocation Loc, | ||||
11819 | OpenMPDirectiveKind CancelRegion) { | ||||
11820 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11820); | ||||
11821 | } | ||||
11822 | |||||
11823 | void CGOpenMPSIMDRuntime::emitCancelCall(CodeGenFunction &CGF, | ||||
11824 | SourceLocation Loc, const Expr *IfCond, | ||||
11825 | OpenMPDirectiveKind CancelRegion) { | ||||
11826 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11826); | ||||
11827 | } | ||||
11828 | |||||
11829 | void CGOpenMPSIMDRuntime::emitTargetOutlinedFunction( | ||||
11830 | const OMPExecutableDirective &D, StringRef ParentName, | ||||
11831 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | ||||
11832 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | ||||
11833 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11833); | ||||
11834 | } | ||||
11835 | |||||
11836 | void CGOpenMPSIMDRuntime::emitTargetCall( | ||||
11837 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | ||||
11838 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | ||||
11839 | const Expr *Device, | ||||
11840 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | ||||
11841 | const OMPLoopDirective &D)> | ||||
11842 | SizeEmitter) { | ||||
11843 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11843); | ||||
11844 | } | ||||
11845 | |||||
11846 | bool CGOpenMPSIMDRuntime::emitTargetFunctions(GlobalDecl GD) { | ||||
11847 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11847); | ||||
11848 | } | ||||
11849 | |||||
11850 | bool CGOpenMPSIMDRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | ||||
11851 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11851); | ||||
11852 | } | ||||
11853 | |||||
11854 | bool CGOpenMPSIMDRuntime::emitTargetGlobal(GlobalDecl GD) { | ||||
11855 | return false; | ||||
11856 | } | ||||
11857 | |||||
11858 | void CGOpenMPSIMDRuntime::emitTeamsCall(CodeGenFunction &CGF, | ||||
11859 | const OMPExecutableDirective &D, | ||||
11860 | SourceLocation Loc, | ||||
11861 | llvm::Function *OutlinedFn, | ||||
11862 | ArrayRef<llvm::Value *> CapturedVars) { | ||||
11863 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11863); | ||||
11864 | } | ||||
11865 | |||||
11866 | void CGOpenMPSIMDRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | ||||
11867 | const Expr *NumTeams, | ||||
11868 | const Expr *ThreadLimit, | ||||
11869 | SourceLocation Loc) { | ||||
11870 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11870); | ||||
11871 | } | ||||
11872 | |||||
11873 | void CGOpenMPSIMDRuntime::emitTargetDataCalls( | ||||
11874 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||
11875 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | ||||
11876 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11876); | ||||
11877 | } | ||||
11878 | |||||
11879 | void CGOpenMPSIMDRuntime::emitTargetDataStandAloneCall( | ||||
11880 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | ||||
11881 | const Expr *Device) { | ||||
11882 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11882); | ||||
11883 | } | ||||
11884 | |||||
11885 | void CGOpenMPSIMDRuntime::emitDoacrossInit(CodeGenFunction &CGF, | ||||
11886 | const OMPLoopDirective &D, | ||||
11887 | ArrayRef<Expr *> NumIterations) { | ||||
11888 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11888); | ||||
11889 | } | ||||
11890 | |||||
11891 | void CGOpenMPSIMDRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | ||||
11892 | const OMPDependClause *C) { | ||||
11893 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11893); | ||||
11894 | } | ||||
11895 | |||||
11896 | const VarDecl * | ||||
11897 | CGOpenMPSIMDRuntime::translateParameter(const FieldDecl *FD, | ||||
11898 | const VarDecl *NativeParam) const { | ||||
11899 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11899); | ||||
11900 | } | ||||
11901 | |||||
11902 | Address | ||||
11903 | CGOpenMPSIMDRuntime::getParameterAddress(CodeGenFunction &CGF, | ||||
11904 | const VarDecl *NativeParam, | ||||
11905 | const VarDecl *TargetParam) const { | ||||
11906 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11906); | ||||
11907 | } |
1 | //===----- CGOpenMPRuntime.h - Interface to OpenMP Runtimes -----*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This provides a class for OpenMP runtime code generation. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_CLANG_LIB_CODEGEN_CGOPENMPRUNTIME_H |
14 | #define LLVM_CLANG_LIB_CODEGEN_CGOPENMPRUNTIME_H |
15 | |
16 | #include "CGValue.h" |
17 | #include "clang/AST/DeclOpenMP.h" |
18 | #include "clang/AST/GlobalDecl.h" |
19 | #include "clang/AST/Type.h" |
20 | #include "clang/Basic/OpenMPKinds.h" |
21 | #include "clang/Basic/SourceLocation.h" |
22 | #include "llvm/ADT/DenseMap.h" |
23 | #include "llvm/ADT/SmallPtrSet.h" |
24 | #include "llvm/ADT/StringMap.h" |
25 | #include "llvm/ADT/StringSet.h" |
26 | #include "llvm/Frontend/OpenMP/OMPConstants.h" |
27 | #include "llvm/IR/Function.h" |
28 | #include "llvm/IR/ValueHandle.h" |
29 | #include "llvm/Support/AtomicOrdering.h" |
30 | |
31 | namespace llvm { |
32 | class ArrayType; |
33 | class Constant; |
34 | class FunctionType; |
35 | class GlobalVariable; |
36 | class StructType; |
37 | class Type; |
38 | class Value; |
39 | } // namespace llvm |
40 | |
41 | namespace clang { |
42 | class Expr; |
43 | class OMPDependClause; |
44 | class OMPExecutableDirective; |
45 | class OMPLoopDirective; |
46 | class VarDecl; |
47 | class OMPDeclareReductionDecl; |
48 | class IdentifierInfo; |
49 | |
50 | namespace CodeGen { |
51 | class Address; |
52 | class CodeGenFunction; |
53 | class CodeGenModule; |
54 | |
55 | /// A basic class for pre|post-action for advanced codegen sequence for OpenMP |
56 | /// region. |
57 | class PrePostActionTy { |
58 | public: |
59 | explicit PrePostActionTy() {} |
60 | virtual void Enter(CodeGenFunction &CGF) {} |
61 | virtual void Exit(CodeGenFunction &CGF) {} |
62 | virtual ~PrePostActionTy() {} |
63 | }; |
64 | |
65 | /// Class provides a way to call simple version of codegen for OpenMP region, or |
66 | /// an advanced with possible pre|post-actions in codegen. |
67 | class RegionCodeGenTy final { |
68 | intptr_t CodeGen; |
69 | typedef void (*CodeGenTy)(intptr_t, CodeGenFunction &, PrePostActionTy &); |
70 | CodeGenTy Callback; |
71 | mutable PrePostActionTy *PrePostAction; |
72 | RegionCodeGenTy() = delete; |
73 | RegionCodeGenTy &operator=(const RegionCodeGenTy &) = delete; |
74 | template <typename Callable> |
75 | static void CallbackFn(intptr_t CodeGen, CodeGenFunction &CGF, |
76 | PrePostActionTy &Action) { |
77 | return (*reinterpret_cast<Callable *>(CodeGen))(CGF, Action); |
78 | } |
79 | |
80 | public: |
81 | template <typename Callable> |
82 | RegionCodeGenTy( |
83 | Callable &&CodeGen, |
84 | std::enable_if_t<!std::is_same<std::remove_reference_t<Callable>, |
85 | RegionCodeGenTy>::value> * = nullptr) |
86 | : CodeGen(reinterpret_cast<intptr_t>(&CodeGen)), |
87 | Callback(CallbackFn<std::remove_reference_t<Callable>>), |
88 | PrePostAction(nullptr) {} |
89 | void setAction(PrePostActionTy &Action) const { PrePostAction = &Action; } |
90 | void operator()(CodeGenFunction &CGF) const; |
91 | }; |
92 | |
93 | struct OMPTaskDataTy final { |
94 | SmallVector<const Expr *, 4> PrivateVars; |
95 | SmallVector<const Expr *, 4> PrivateCopies; |
96 | SmallVector<const Expr *, 4> FirstprivateVars; |
97 | SmallVector<const Expr *, 4> FirstprivateCopies; |
98 | SmallVector<const Expr *, 4> FirstprivateInits; |
99 | SmallVector<const Expr *, 4> LastprivateVars; |
100 | SmallVector<const Expr *, 4> LastprivateCopies; |
101 | SmallVector<const Expr *, 4> ReductionVars; |
102 | SmallVector<const Expr *, 4> ReductionCopies; |
103 | SmallVector<const Expr *, 4> ReductionOps; |
104 | SmallVector<std::pair<OpenMPDependClauseKind, const Expr *>, 4> Dependences; |
105 | llvm::PointerIntPair<llvm::Value *, 1, bool> Final; |
106 | llvm::PointerIntPair<llvm::Value *, 1, bool> Schedule; |
107 | llvm::PointerIntPair<llvm::Value *, 1, bool> Priority; |
108 | llvm::Value *Reductions = nullptr; |
109 | unsigned NumberOfParts = 0; |
110 | bool Tied = true; |
111 | bool Nogroup = false; |
112 | }; |
113 | |
114 | /// Class intended to support codegen of all kind of the reduction clauses. |
115 | class ReductionCodeGen { |
116 | private: |
117 | /// Data required for codegen of reduction clauses. |
118 | struct ReductionData { |
119 | /// Reference to the original shared item. |
120 | const Expr *Ref = nullptr; |
121 | /// Helper expression for generation of private copy. |
122 | const Expr *Private = nullptr; |
123 | /// Helper expression for generation reduction operation. |
124 | const Expr *ReductionOp = nullptr; |
125 | ReductionData(const Expr *Ref, const Expr *Private, const Expr *ReductionOp) |
126 | : Ref(Ref), Private(Private), ReductionOp(ReductionOp) {} |
127 | }; |
128 | /// List of reduction-based clauses. |
129 | SmallVector<ReductionData, 4> ClausesData; |
130 | |
131 | /// List of addresses of original shared variables/expressions. |
132 | SmallVector<std::pair<LValue, LValue>, 4> SharedAddresses; |
133 | /// Sizes of the reduction items in chars. |
134 | SmallVector<std::pair<llvm::Value *, llvm::Value *>, 4> Sizes; |
135 | /// Base declarations for the reduction items. |
136 | SmallVector<const VarDecl *, 4> BaseDecls; |
137 | |
138 | /// Emits lvalue for shared expression. |
139 | LValue emitSharedLValue(CodeGenFunction &CGF, const Expr *E); |
140 | /// Emits upper bound for shared expression (if array section). |
141 | LValue emitSharedLValueUB(CodeGenFunction &CGF, const Expr *E); |
142 | /// Performs aggregate initialization. |
143 | /// \param N Number of reduction item in the common list. |
144 | /// \param PrivateAddr Address of the corresponding private item. |
145 | /// \param SharedLVal Address of the original shared variable. |
146 | /// \param DRD Declare reduction construct used for reduction item. |
147 | void emitAggregateInitialization(CodeGenFunction &CGF, unsigned N, |
148 | Address PrivateAddr, LValue SharedLVal, |
149 | const OMPDeclareReductionDecl *DRD); |
150 | |
151 | public: |
152 | ReductionCodeGen(ArrayRef<const Expr *> Shareds, |
153 | ArrayRef<const Expr *> Privates, |
154 | ArrayRef<const Expr *> ReductionOps); |
155 | /// Emits lvalue for a reduction item. |
156 | /// \param N Number of the reduction item. |
157 | void emitSharedLValue(CodeGenFunction &CGF, unsigned N); |
158 | /// Emits the code for the variable-modified type, if required. |
159 | /// \param N Number of the reduction item. |
160 | void emitAggregateType(CodeGenFunction &CGF, unsigned N); |
161 | /// Emits the code for the variable-modified type, if required. |
162 | /// \param N Number of the reduction item. |
163 | /// \param Size Size of the type in chars. |
164 | void emitAggregateType(CodeGenFunction &CGF, unsigned N, llvm::Value *Size); |
165 | /// Performs initialization of the private copy for the reduction item. |
166 | /// \param N Number of the reduction item. |
167 | /// \param PrivateAddr Address of the corresponding private item. |
168 | /// \param DefaultInit Default initialization sequence that should be |
169 | /// performed if no reduction specific initialization is found. |
170 | /// \param SharedLVal Address of the original shared variable. |
171 | void |
172 | emitInitialization(CodeGenFunction &CGF, unsigned N, Address PrivateAddr, |
173 | LValue SharedLVal, |
174 | llvm::function_ref<bool(CodeGenFunction &)> DefaultInit); |
175 | /// Returns true if the private copy requires cleanups. |
176 | bool needCleanups(unsigned N); |
177 | /// Emits cleanup code for the reduction item. |
178 | /// \param N Number of the reduction item. |
179 | /// \param PrivateAddr Address of the corresponding private item. |
180 | void emitCleanups(CodeGenFunction &CGF, unsigned N, Address PrivateAddr); |
181 | /// Adjusts \p PrivatedAddr for using instead of the original variable |
182 | /// address in normal operations. |
183 | /// \param N Number of the reduction item. |
184 | /// \param PrivateAddr Address of the corresponding private item. |
185 | Address adjustPrivateAddress(CodeGenFunction &CGF, unsigned N, |
186 | Address PrivateAddr); |
187 | /// Returns LValue for the reduction item. |
188 | LValue getSharedLValue(unsigned N) const { return SharedAddresses[N].first; } |
189 | /// Returns the size of the reduction item (in chars and total number of |
190 | /// elements in the item), or nullptr, if the size is a constant. |
191 | std::pair<llvm::Value *, llvm::Value *> getSizes(unsigned N) const { |
192 | return Sizes[N]; |
193 | } |
194 | /// Returns the base declaration of the reduction item. |
195 | const VarDecl *getBaseDecl(unsigned N) const { return BaseDecls[N]; } |
196 | /// Returns the base declaration of the reduction item. |
197 | const Expr *getRefExpr(unsigned N) const { return ClausesData[N].Ref; } |
198 | /// Returns true if the initialization of the reduction item uses initializer |
199 | /// from declare reduction construct. |
200 | bool usesReductionInitializer(unsigned N) const; |
201 | }; |
202 | |
203 | class CGOpenMPRuntime { |
204 | public: |
205 | /// Allows to disable automatic handling of functions used in target regions |
206 | /// as those marked as `omp declare target`. |
207 | class DisableAutoDeclareTargetRAII { |
208 | CodeGenModule &CGM; |
209 | bool SavedShouldMarkAsGlobal; |
210 | |
211 | public: |
212 | DisableAutoDeclareTargetRAII(CodeGenModule &CGM); |
213 | ~DisableAutoDeclareTargetRAII(); |
214 | }; |
215 | |
216 | /// Manages list of nontemporal decls for the specified directive. |
217 | class NontemporalDeclsRAII { |
218 | CodeGenModule &CGM; |
219 | const bool NeedToPush; |
220 | |
221 | public: |
222 | NontemporalDeclsRAII(CodeGenModule &CGM, const OMPLoopDirective &S); |
223 | ~NontemporalDeclsRAII(); |
224 | }; |
225 | |
226 | /// Maps the expression for the lastprivate variable to the global copy used |
227 | /// to store new value because original variables are not mapped in inner |
228 | /// parallel regions. Only private copies are captured but we need also to |
229 | /// store private copy in shared address. |
230 | /// Also, stores the expression for the private loop counter and it |
231 | /// threaprivate name. |
232 | struct LastprivateConditionalData { |
233 | llvm::MapVector<CanonicalDeclPtr<const Decl>, SmallString<16>> |
234 | DeclToUniqueName; |
235 | LValue IVLVal; |
236 | llvm::Function *Fn = nullptr; |
237 | bool Disabled = false; |
238 | }; |
239 | /// Manages list of lastprivate conditional decls for the specified directive. |
240 | class LastprivateConditionalRAII { |
241 | enum class ActionToDo { |
242 | DoNotPush, |
243 | PushAsLastprivateConditional, |
244 | DisableLastprivateConditional, |
245 | }; |
246 | CodeGenModule &CGM; |
247 | ActionToDo Action = ActionToDo::DoNotPush; |
248 | |
249 | /// Check and try to disable analysis of inner regions for changes in |
250 | /// lastprivate conditional. |
251 | void tryToDisableInnerAnalysis(const OMPExecutableDirective &S, |
252 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> |
253 | &NeedToAddForLPCsAsDisabled) const; |
254 | |
255 | LastprivateConditionalRAII(CodeGenFunction &CGF, |
256 | const OMPExecutableDirective &S); |
257 | |
258 | public: |
259 | explicit LastprivateConditionalRAII(CodeGenFunction &CGF, |
260 | const OMPExecutableDirective &S, |
261 | LValue IVLVal); |
262 | static LastprivateConditionalRAII disable(CodeGenFunction &CGF, |
263 | const OMPExecutableDirective &S); |
264 | ~LastprivateConditionalRAII(); |
265 | }; |
266 | |
267 | protected: |
268 | CodeGenModule &CGM; |
269 | StringRef FirstSeparator, Separator; |
270 | |
271 | /// Constructor allowing to redefine the name separator for the variables. |
272 | explicit CGOpenMPRuntime(CodeGenModule &CGM, StringRef FirstSeparator, |
273 | StringRef Separator); |
274 | |
275 | /// Creates offloading entry for the provided entry ID \a ID, |
276 | /// address \a Addr, size \a Size, and flags \a Flags. |
277 | virtual void createOffloadEntry(llvm::Constant *ID, llvm::Constant *Addr, |
278 | uint64_t Size, int32_t Flags, |
279 | llvm::GlobalValue::LinkageTypes Linkage); |
280 | |
281 | /// Helper to emit outlined function for 'target' directive. |
282 | /// \param D Directive to emit. |
283 | /// \param ParentName Name of the function that encloses the target region. |
284 | /// \param OutlinedFn Outlined function value to be defined by this call. |
285 | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
286 | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
287 | /// \param CodeGen Lambda codegen specific to an accelerator device. |
288 | /// An outlined function may not be an entry if, e.g. the if clause always |
289 | /// evaluates to false. |
290 | virtual void emitTargetOutlinedFunctionHelper(const OMPExecutableDirective &D, |
291 | StringRef ParentName, |
292 | llvm::Function *&OutlinedFn, |
293 | llvm::Constant *&OutlinedFnID, |
294 | bool IsOffloadEntry, |
295 | const RegionCodeGenTy &CodeGen); |
296 | |
297 | /// Emits object of ident_t type with info for source location. |
298 | /// \param Flags Flags for OpenMP location. |
299 | /// |
300 | llvm::Value *emitUpdateLocation(CodeGenFunction &CGF, SourceLocation Loc, |
301 | unsigned Flags = 0); |
302 | |
303 | /// Returns pointer to ident_t type. |
304 | llvm::Type *getIdentTyPointerTy(); |
305 | |
306 | /// Gets thread id value for the current thread. |
307 | /// |
308 | llvm::Value *getThreadID(CodeGenFunction &CGF, SourceLocation Loc); |
309 | |
310 | /// Get the function name of an outlined region. |
311 | // The name can be customized depending on the target. |
312 | // |
313 | virtual StringRef getOutlinedHelperName() const { return ".omp_outlined."; } |
314 | |
315 | /// Emits \p Callee function call with arguments \p Args with location \p Loc. |
316 | void emitCall(CodeGenFunction &CGF, SourceLocation Loc, |
317 | llvm::FunctionCallee Callee, |
318 | ArrayRef<llvm::Value *> Args = llvm::None) const; |
319 | |
320 | /// Emits address of the word in a memory where current thread id is |
321 | /// stored. |
322 | virtual Address emitThreadIDAddress(CodeGenFunction &CGF, SourceLocation Loc); |
323 | |
324 | void setLocThreadIdInsertPt(CodeGenFunction &CGF, |
325 | bool AtCurrentPoint = false); |
326 | void clearLocThreadIdInsertPt(CodeGenFunction &CGF); |
327 | |
328 | /// Check if the default location must be constant. |
329 | /// Default is false to support OMPT/OMPD. |
330 | virtual bool isDefaultLocationConstant() const { return false; } |
331 | |
332 | /// Returns additional flags that can be stored in reserved_2 field of the |
333 | /// default location. |
334 | virtual unsigned getDefaultLocationReserved2Flags() const { return 0; } |
335 | |
336 | /// Tries to emit declare variant function for \p OldGD from \p NewGD. |
337 | /// \param OrigAddr LLVM IR value for \p OldGD. |
338 | /// \param IsForDefinition true, if requested emission for the definition of |
339 | /// \p OldGD. |
340 | /// \returns true, was able to emit a definition function for \p OldGD, which |
341 | /// points to \p NewGD. |
342 | virtual bool tryEmitDeclareVariant(const GlobalDecl &NewGD, |
343 | const GlobalDecl &OldGD, |
344 | llvm::GlobalValue *OrigAddr, |
345 | bool IsForDefinition); |
346 | |
347 | /// Returns default flags for the barriers depending on the directive, for |
348 | /// which this barier is going to be emitted. |
349 | static unsigned getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind); |
350 | |
351 | /// Get the LLVM type for the critical name. |
352 | llvm::ArrayType *getKmpCriticalNameTy() const {return KmpCriticalNameTy;} |
353 | |
354 | /// Returns corresponding lock object for the specified critical region |
355 | /// name. If the lock object does not exist it is created, otherwise the |
356 | /// reference to the existing copy is returned. |
357 | /// \param CriticalName Name of the critical region. |
358 | /// |
359 | llvm::Value *getCriticalRegionLock(StringRef CriticalName); |
360 | |
361 | private: |
362 | /// Default const ident_t object used for initialization of all other |
363 | /// ident_t objects. |
364 | llvm::Constant *DefaultOpenMPPSource = nullptr; |
365 | using FlagsTy = std::pair<unsigned, unsigned>; |
366 | /// Map of flags and corresponding default locations. |
367 | using OpenMPDefaultLocMapTy = llvm::DenseMap<FlagsTy, llvm::Value *>; |
368 | OpenMPDefaultLocMapTy OpenMPDefaultLocMap; |
369 | Address getOrCreateDefaultLocation(unsigned Flags); |
370 | |
371 | QualType IdentQTy; |
372 | llvm::StructType *IdentTy = nullptr; |
373 | /// Map for SourceLocation and OpenMP runtime library debug locations. |
374 | typedef llvm::DenseMap<unsigned, llvm::Value *> OpenMPDebugLocMapTy; |
375 | OpenMPDebugLocMapTy OpenMPDebugLocMap; |
376 | /// The type for a microtask which gets passed to __kmpc_fork_call(). |
377 | /// Original representation is: |
378 | /// typedef void (kmpc_micro)(kmp_int32 global_tid, kmp_int32 bound_tid,...); |
379 | llvm::FunctionType *Kmpc_MicroTy = nullptr; |
380 | /// Stores debug location and ThreadID for the function. |
381 | struct DebugLocThreadIdTy { |
382 | llvm::Value *DebugLoc; |
383 | llvm::Value *ThreadID; |
384 | /// Insert point for the service instructions. |
385 | llvm::AssertingVH<llvm::Instruction> ServiceInsertPt = nullptr; |
386 | }; |
387 | /// Map of local debug location, ThreadId and functions. |
388 | typedef llvm::DenseMap<llvm::Function *, DebugLocThreadIdTy> |
389 | OpenMPLocThreadIDMapTy; |
390 | OpenMPLocThreadIDMapTy OpenMPLocThreadIDMap; |
391 | /// Map of UDRs and corresponding combiner/initializer. |
392 | typedef llvm::DenseMap<const OMPDeclareReductionDecl *, |
393 | std::pair<llvm::Function *, llvm::Function *>> |
394 | UDRMapTy; |
395 | UDRMapTy UDRMap; |
396 | /// Map of functions and locally defined UDRs. |
397 | typedef llvm::DenseMap<llvm::Function *, |
398 | SmallVector<const OMPDeclareReductionDecl *, 4>> |
399 | FunctionUDRMapTy; |
400 | FunctionUDRMapTy FunctionUDRMap; |
401 | /// Map from the user-defined mapper declaration to its corresponding |
402 | /// functions. |
403 | llvm::DenseMap<const OMPDeclareMapperDecl *, llvm::Function *> UDMMap; |
404 | /// Map of functions and their local user-defined mappers. |
405 | using FunctionUDMMapTy = |
406 | llvm::DenseMap<llvm::Function *, |
407 | SmallVector<const OMPDeclareMapperDecl *, 4>>; |
408 | FunctionUDMMapTy FunctionUDMMap; |
409 | /// Maps local variables marked as lastprivate conditional to their internal |
410 | /// types. |
411 | llvm::DenseMap<llvm::Function *, |
412 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, |
413 | std::tuple<QualType, const FieldDecl *, |
414 | const FieldDecl *, LValue>>> |
415 | LastprivateConditionalToTypes; |
416 | /// Type kmp_critical_name, originally defined as typedef kmp_int32 |
417 | /// kmp_critical_name[8]; |
418 | llvm::ArrayType *KmpCriticalNameTy; |
419 | /// An ordered map of auto-generated variables to their unique names. |
420 | /// It stores variables with the following names: 1) ".gomp_critical_user_" + |
421 | /// <critical_section_name> + ".var" for "omp critical" directives; 2) |
422 | /// <mangled_name_for_global_var> + ".cache." for cache for threadprivate |
423 | /// variables. |
424 | llvm::StringMap<llvm::AssertingVH<llvm::Constant>, llvm::BumpPtrAllocator> |
425 | InternalVars; |
426 | /// Type typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); |
427 | llvm::Type *KmpRoutineEntryPtrTy = nullptr; |
428 | QualType KmpRoutineEntryPtrQTy; |
429 | /// Type typedef struct kmp_task { |
430 | /// void * shareds; /**< pointer to block of pointers to |
431 | /// shared vars */ |
432 | /// kmp_routine_entry_t routine; /**< pointer to routine to call for |
433 | /// executing task */ |
434 | /// kmp_int32 part_id; /**< part id for the task */ |
435 | /// kmp_routine_entry_t destructors; /* pointer to function to invoke |
436 | /// deconstructors of firstprivate C++ objects */ |
437 | /// } kmp_task_t; |
438 | QualType KmpTaskTQTy; |
439 | /// Saved kmp_task_t for task directive. |
440 | QualType SavedKmpTaskTQTy; |
441 | /// Saved kmp_task_t for taskloop-based directive. |
442 | QualType SavedKmpTaskloopTQTy; |
443 | /// Type typedef struct kmp_depend_info { |
444 | /// kmp_intptr_t base_addr; |
445 | /// size_t len; |
446 | /// struct { |
447 | /// bool in:1; |
448 | /// bool out:1; |
449 | /// } flags; |
450 | /// } kmp_depend_info_t; |
451 | QualType KmpDependInfoTy; |
452 | /// struct kmp_dim { // loop bounds info casted to kmp_int64 |
453 | /// kmp_int64 lo; // lower |
454 | /// kmp_int64 up; // upper |
455 | /// kmp_int64 st; // stride |
456 | /// }; |
457 | QualType KmpDimTy; |
458 | /// Type struct __tgt_offload_entry{ |
459 | /// void *addr; // Pointer to the offload entry info. |
460 | /// // (function or global) |
461 | /// char *name; // Name of the function or global. |
462 | /// size_t size; // Size of the entry info (0 if it a function). |
463 | /// int32_t flags; |
464 | /// int32_t reserved; |
465 | /// }; |
466 | QualType TgtOffloadEntryQTy; |
467 | /// Entity that registers the offloading constants that were emitted so |
468 | /// far. |
469 | class OffloadEntriesInfoManagerTy { |
470 | CodeGenModule &CGM; |
471 | |
472 | /// Number of entries registered so far. |
473 | unsigned OffloadingEntriesNum = 0; |
474 | |
475 | public: |
476 | /// Base class of the entries info. |
477 | class OffloadEntryInfo { |
478 | public: |
479 | /// Kind of a given entry. |
480 | enum OffloadingEntryInfoKinds : unsigned { |
481 | /// Entry is a target region. |
482 | OffloadingEntryInfoTargetRegion = 0, |
483 | /// Entry is a declare target variable. |
484 | OffloadingEntryInfoDeviceGlobalVar = 1, |
485 | /// Invalid entry info. |
486 | OffloadingEntryInfoInvalid = ~0u |
487 | }; |
488 | |
489 | protected: |
490 | OffloadEntryInfo() = delete; |
491 | explicit OffloadEntryInfo(OffloadingEntryInfoKinds Kind) : Kind(Kind) {} |
492 | explicit OffloadEntryInfo(OffloadingEntryInfoKinds Kind, unsigned Order, |
493 | uint32_t Flags) |
494 | : Flags(Flags), Order(Order), Kind(Kind) {} |
495 | ~OffloadEntryInfo() = default; |
496 | |
497 | public: |
498 | bool isValid() const { return Order != ~0u; } |
499 | unsigned getOrder() const { return Order; } |
500 | OffloadingEntryInfoKinds getKind() const { return Kind; } |
501 | uint32_t getFlags() const { return Flags; } |
502 | void setFlags(uint32_t NewFlags) { Flags = NewFlags; } |
503 | llvm::Constant *getAddress() const { |
504 | return cast_or_null<llvm::Constant>(Addr); |
505 | } |
506 | void setAddress(llvm::Constant *V) { |
507 | assert(!Addr.pointsToAliveValue() && "Address has been set before!")((!Addr.pointsToAliveValue() && "Address has been set before!" ) ? static_cast<void> (0) : __assert_fail ("!Addr.pointsToAliveValue() && \"Address has been set before!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.h" , 507, __PRETTY_FUNCTION__)); |
508 | Addr = V; |
509 | } |
510 | static bool classof(const OffloadEntryInfo *Info) { return true; } |
511 | |
512 | private: |
513 | /// Address of the entity that has to be mapped for offloading. |
514 | llvm::WeakTrackingVH Addr; |
515 | |
516 | /// Flags associated with the device global. |
517 | uint32_t Flags = 0u; |
518 | |
519 | /// Order this entry was emitted. |
520 | unsigned Order = ~0u; |
521 | |
522 | OffloadingEntryInfoKinds Kind = OffloadingEntryInfoInvalid; |
523 | }; |
524 | |
525 | /// Return true if a there are no entries defined. |
526 | bool empty() const; |
527 | /// Return number of entries defined so far. |
528 | unsigned size() const { return OffloadingEntriesNum; } |
529 | OffloadEntriesInfoManagerTy(CodeGenModule &CGM) : CGM(CGM) {} |
530 | |
531 | // |
532 | // Target region entries related. |
533 | // |
534 | |
535 | /// Kind of the target registry entry. |
536 | enum OMPTargetRegionEntryKind : uint32_t { |
537 | /// Mark the entry as target region. |
538 | OMPTargetRegionEntryTargetRegion = 0x0, |
539 | /// Mark the entry as a global constructor. |
540 | OMPTargetRegionEntryCtor = 0x02, |
541 | /// Mark the entry as a global destructor. |
542 | OMPTargetRegionEntryDtor = 0x04, |
543 | }; |
544 | |
545 | /// Target region entries info. |
546 | class OffloadEntryInfoTargetRegion final : public OffloadEntryInfo { |
547 | /// Address that can be used as the ID of the entry. |
548 | llvm::Constant *ID = nullptr; |
549 | |
550 | public: |
551 | OffloadEntryInfoTargetRegion() |
552 | : OffloadEntryInfo(OffloadingEntryInfoTargetRegion) {} |
553 | explicit OffloadEntryInfoTargetRegion(unsigned Order, |
554 | llvm::Constant *Addr, |
555 | llvm::Constant *ID, |
556 | OMPTargetRegionEntryKind Flags) |
557 | : OffloadEntryInfo(OffloadingEntryInfoTargetRegion, Order, Flags), |
558 | ID(ID) { |
559 | setAddress(Addr); |
560 | } |
561 | |
562 | llvm::Constant *getID() const { return ID; } |
563 | void setID(llvm::Constant *V) { |
564 | assert(!ID && "ID has been set before!")((!ID && "ID has been set before!") ? static_cast< void> (0) : __assert_fail ("!ID && \"ID has been set before!\"" , "/build/llvm-toolchain-snapshot-11~++20200226111113+80d7e473e0b/clang/lib/CodeGen/CGOpenMPRuntime.h" , 564, __PRETTY_FUNCTION__)); |
565 | ID = V; |
566 | } |
567 | static bool classof(const OffloadEntryInfo *Info) { |
568 | return Info->getKind() == OffloadingEntryInfoTargetRegion; |
569 | } |
570 | }; |
571 | |
572 | /// Initialize target region entry. |
573 | void initializeTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, |
574 | StringRef ParentName, unsigned LineNum, |
575 | unsigned Order); |
576 | /// Register target region entry. |
577 | void registerTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, |
578 | StringRef ParentName, unsigned LineNum, |
579 | llvm::Constant *Addr, llvm::Constant *ID, |
580 | OMPTargetRegionEntryKind Flags); |
581 | /// Return true if a target region entry with the provided information |
582 | /// exists. |
583 | bool hasTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, |
584 | StringRef ParentName, unsigned LineNum) const; |
585 | /// brief Applies action \a Action on all registered entries. |
586 | typedef llvm::function_ref<void(unsigned, unsigned, StringRef, unsigned, |
587 | const OffloadEntryInfoTargetRegion &)> |
588 | OffloadTargetRegionEntryInfoActTy; |
589 | void actOnTargetRegionEntriesInfo( |
590 | const OffloadTargetRegionEntryInfoActTy &Action); |
591 | |
592 | // |
593 | // Device global variable entries related. |
594 | // |
595 | |
596 | /// Kind of the global variable entry.. |
597 | enum OMPTargetGlobalVarEntryKind : uint32_t { |
598 | /// Mark the entry as a to declare target. |
599 | OMPTargetGlobalVarEntryTo = 0x0, |
600 | /// Mark the entry as a to declare target link. |
601 | OMPTargetGlobalVarEntryLink = 0x1, |
602 | }; |
603 | |
604 | /// Device global variable entries info. |
605 | class OffloadEntryInfoDeviceGlobalVar final : public OffloadEntryInfo { |
606 | /// Type of the global variable. |
607 | CharUnits VarSize; |
608 | llvm::GlobalValue::LinkageTypes Linkage; |
609 | |
610 | public: |
611 | OffloadEntryInfoDeviceGlobalVar() |
612 | : OffloadEntryInfo(OffloadingEntryInfoDeviceGlobalVar) {} |
613 | explicit OffloadEntryInfoDeviceGlobalVar(unsigned Order, |
614 | OMPTargetGlobalVarEntryKind Flags) |
615 | : OffloadEntryInfo(OffloadingEntryInfoDeviceGlobalVar, Order, Flags) {} |
616 | explicit OffloadEntryInfoDeviceGlobalVar( |
617 | unsigned Order, llvm::Constant *Addr, CharUnits VarSize, |
618 | OMPTargetGlobalVarEntryKind Flags, |
619 | llvm::GlobalValue::LinkageTypes Linkage) |
620 | : OffloadEntryInfo(OffloadingEntryInfoDeviceGlobalVar, Order, Flags), |
621 | VarSize(VarSize), Linkage(Linkage) { |
622 | setAddress(Addr); |
623 | } |
624 | |
625 | CharUnits getVarSize() const { return VarSize; } |
626 | void setVarSize(CharUnits Size) { VarSize = Size; } |
627 | llvm::GlobalValue::LinkageTypes getLinkage() const { return Linkage; } |
628 | void setLinkage(llvm::GlobalValue::LinkageTypes LT) { Linkage = LT; } |
629 | static bool classof(const OffloadEntryInfo *Info) { |
630 | return Info->getKind() == OffloadingEntryInfoDeviceGlobalVar; |
631 | } |
632 | }; |
633 | |
634 | /// Initialize device global variable entry. |
635 | void initializeDeviceGlobalVarEntryInfo(StringRef Name, |
636 | OMPTargetGlobalVarEntryKind Flags, |
637 | unsigned Order); |
638 | |
639 | /// Register device global variable entry. |
640 | void |
641 | registerDeviceGlobalVarEntryInfo(StringRef VarName, llvm::Constant *Addr, |
642 | CharUnits VarSize, |
643 | OMPTargetGlobalVarEntryKind Flags, |
644 | llvm::GlobalValue::LinkageTypes Linkage); |
645 | /// Checks if the variable with the given name has been registered already. |
646 | bool hasDeviceGlobalVarEntryInfo(StringRef VarName) const { |
647 | return OffloadEntriesDeviceGlobalVar.count(VarName) > 0; |
648 | } |
649 | /// Applies action \a Action on all registered entries. |
650 | typedef llvm::function_ref<void(StringRef, |
651 | const OffloadEntryInfoDeviceGlobalVar &)> |
652 | OffloadDeviceGlobalVarEntryInfoActTy; |
653 | void actOnDeviceGlobalVarEntriesInfo( |
654 | const OffloadDeviceGlobalVarEntryInfoActTy &Action); |
655 | |
656 | private: |
657 | // Storage for target region entries kind. The storage is to be indexed by |
658 | // file ID, device ID, parent function name and line number. |
659 | typedef llvm::DenseMap<unsigned, OffloadEntryInfoTargetRegion> |
660 | OffloadEntriesTargetRegionPerLine; |
661 | typedef llvm::StringMap<OffloadEntriesTargetRegionPerLine> |
662 | OffloadEntriesTargetRegionPerParentName; |
663 | typedef llvm::DenseMap<unsigned, OffloadEntriesTargetRegionPerParentName> |
664 | OffloadEntriesTargetRegionPerFile; |
665 | typedef llvm::DenseMap<unsigned, OffloadEntriesTargetRegionPerFile> |
666 | OffloadEntriesTargetRegionPerDevice; |
667 | typedef OffloadEntriesTargetRegionPerDevice OffloadEntriesTargetRegionTy; |
668 | OffloadEntriesTargetRegionTy OffloadEntriesTargetRegion; |
669 | /// Storage for device global variable entries kind. The storage is to be |
670 | /// indexed by mangled name. |
671 | typedef llvm::StringMap<OffloadEntryInfoDeviceGlobalVar> |
672 | OffloadEntriesDeviceGlobalVarTy; |
673 | OffloadEntriesDeviceGlobalVarTy OffloadEntriesDeviceGlobalVar; |
674 | }; |
675 | OffloadEntriesInfoManagerTy OffloadEntriesInfoManager; |
676 | |
677 | bool ShouldMarkAsGlobal = true; |
678 | /// List of the emitted declarations. |
679 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> AlreadyEmittedTargetDecls; |
680 | /// List of the global variables with their addresses that should not be |
681 | /// emitted for the target. |
682 | llvm::StringMap<llvm::WeakTrackingVH> EmittedNonTargetVariables; |
683 | |
684 | /// List of variables that can become declare target implicitly and, thus, |
685 | /// must be emitted. |
686 | llvm::SmallDenseSet<const VarDecl *> DeferredGlobalVariables; |
687 | |
688 | /// Mapping of the original functions to their variants and original global |
689 | /// decl. |
690 | llvm::MapVector<CanonicalDeclPtr<const FunctionDecl>, |
691 | std::pair<GlobalDecl, GlobalDecl>> |
692 | DeferredVariantFunction; |
693 | |
694 | using NontemporalDeclsSet = llvm::SmallDenseSet<CanonicalDeclPtr<const Decl>>; |
695 | /// Stack for list of declarations in current context marked as nontemporal. |
696 | /// The set is the union of all current stack elements. |
697 | llvm::SmallVector<NontemporalDeclsSet, 4> NontemporalDeclsStack; |
698 | |
699 | /// Stack for list of addresses of declarations in current context marked as |
700 | /// lastprivate conditional. The set is the union of all current stack |
701 | /// elements. |
702 | llvm::SmallVector<LastprivateConditionalData, 4> LastprivateConditionalStack; |
703 | |
704 | /// Flag for keeping track of weather a requires unified_shared_memory |
705 | /// directive is present. |
706 | bool HasRequiresUnifiedSharedMemory = false; |
707 | |
708 | /// Atomic ordering from the omp requires directive. |
709 | llvm::AtomicOrdering RequiresAtomicOrdering = llvm::AtomicOrdering::Monotonic; |
710 | |
711 | /// Flag for keeping track of weather a target region has been emitted. |
712 | bool HasEmittedTargetRegion = false; |
713 | |
714 | /// Flag for keeping track of weather a device routine has been emitted. |
715 | /// Device routines are specific to the |
716 | bool HasEmittedDeclareTargetRegion = false; |
717 | |
718 | /// Loads all the offload entries information from the host IR |
719 | /// metadata. |
720 | void loadOffloadInfoMetadata(); |
721 | |
722 | /// Returns __tgt_offload_entry type. |
723 | QualType getTgtOffloadEntryQTy(); |
724 | |
725 | /// Start scanning from statement \a S and and emit all target regions |
726 | /// found along the way. |
727 | /// \param S Starting statement. |
728 | /// \param ParentName Name of the function declaration that is being scanned. |
729 | void scanForTargetRegionsFunctions(const Stmt *S, StringRef ParentName); |
730 | |
731 | /// Build type kmp_routine_entry_t (if not built yet). |
732 | void emitKmpRoutineEntryT(QualType KmpInt32Ty); |
733 | |
734 | /// Returns pointer to kmpc_micro type. |
735 | llvm::Type *getKmpc_MicroPointerTy(); |
736 | |
737 | /// Returns specified OpenMP runtime function. |
738 | /// \param Function OpenMP runtime function. |
739 | /// \return Specified function. |
740 | llvm::FunctionCallee createRuntimeFunction(unsigned Function); |
741 | |
742 | /// Returns __kmpc_for_static_init_* runtime function for the specified |
743 | /// size \a IVSize and sign \a IVSigned. |
744 | llvm::FunctionCallee createForStaticInitFunction(unsigned IVSize, |
745 | bool IVSigned); |
746 | |
747 | /// Returns __kmpc_dispatch_init_* runtime function for the specified |
748 | /// size \a IVSize and sign \a IVSigned. |
749 | llvm::FunctionCallee createDispatchInitFunction(unsigned IVSize, |
750 | bool IVSigned); |
751 | |
752 | /// Returns __kmpc_dispatch_next_* runtime function for the specified |
753 | /// size \a IVSize and sign \a IVSigned. |
754 | llvm::FunctionCallee createDispatchNextFunction(unsigned IVSize, |
755 | bool IVSigned); |
756 | |
757 | /// Returns __kmpc_dispatch_fini_* runtime function for the specified |
758 | /// size \a IVSize and sign \a IVSigned. |
759 | llvm::FunctionCallee createDispatchFiniFunction(unsigned IVSize, |
760 | bool IVSigned); |
761 | |
762 | /// If the specified mangled name is not in the module, create and |
763 | /// return threadprivate cache object. This object is a pointer's worth of |
764 | /// storage that's reserved for use by the OpenMP runtime. |
765 | /// \param VD Threadprivate variable. |
766 | /// \return Cache variable for the specified threadprivate. |
767 | llvm::Constant *getOrCreateThreadPrivateCache(const VarDecl *VD); |
768 | |
769 | /// Gets (if variable with the given name already exist) or creates |
770 | /// internal global variable with the specified Name. The created variable has |
771 | /// linkage CommonLinkage by default and is initialized by null value. |
772 | /// \param Ty Type of the global variable. If it is exist already the type |
773 | /// must be the same. |
774 | /// \param Name Name of the variable. |
775 | llvm::Constant *getOrCreateInternalVariable(llvm::Type *Ty, |
776 | const llvm::Twine &Name, |
777 | unsigned AddressSpace = 0); |
778 | |
779 | /// Set of threadprivate variables with the generated initializer. |
780 | llvm::StringSet<> ThreadPrivateWithDefinition; |
781 | |
782 | /// Set of declare target variables with the generated initializer. |
783 | llvm::StringSet<> DeclareTargetWithDefinition; |
784 | |
785 | /// Emits initialization code for the threadprivate variables. |
786 | /// \param VDAddr Address of the global variable \a VD. |
787 | /// \param Ctor Pointer to a global init function for \a VD. |
788 | /// \param CopyCtor Pointer to a global copy function for \a VD. |
789 | /// \param Dtor Pointer to a global destructor function for \a VD. |
790 | /// \param Loc Location of threadprivate declaration. |
791 | void emitThreadPrivateVarInit(CodeGenFunction &CGF, Address VDAddr, |
792 | llvm::Value *Ctor, llvm::Value *CopyCtor, |
793 | llvm::Value *Dtor, SourceLocation Loc); |
794 | |
795 | /// Emit the array initialization or deletion portion for user-defined mapper |
796 | /// code generation. |
797 | void emitUDMapperArrayInitOrDel(CodeGenFunction &MapperCGF, |
798 | llvm::Value *Handle, llvm::Value *BasePtr, |
799 | llvm::Value *Ptr, llvm::Value *Size, |
800 | llvm::Value *MapType, CharUnits ElementSize, |
801 | llvm::BasicBlock *ExitBB, bool IsInit); |
802 | |
803 | struct TaskResultTy { |
804 | llvm::Value *NewTask = nullptr; |
805 | llvm::Function *TaskEntry = nullptr; |
806 | llvm::Value *NewTaskNewTaskTTy = nullptr; |
807 | LValue TDBase; |
808 | const RecordDecl *KmpTaskTQTyRD = nullptr; |
809 | llvm::Value *TaskDupFn = nullptr; |
810 | }; |
811 | /// Emit task region for the task directive. The task region is emitted in |
812 | /// several steps: |
813 | /// 1. Emit a call to kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 |
814 | /// gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, |
815 | /// kmp_routine_entry_t *task_entry). Here task_entry is a pointer to the |
816 | /// function: |
817 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { |
818 | /// TaskFunction(gtid, tt->part_id, tt->shareds); |
819 | /// return 0; |
820 | /// } |
821 | /// 2. Copy a list of shared variables to field shareds of the resulting |
822 | /// structure kmp_task_t returned by the previous call (if any). |
823 | /// 3. Copy a pointer to destructions function to field destructions of the |
824 | /// resulting structure kmp_task_t. |
825 | /// \param D Current task directive. |
826 | /// \param TaskFunction An LLVM function with type void (*)(i32 /*gtid*/, i32 |
827 | /// /*part_id*/, captured_struct */*__context*/); |
828 | /// \param SharedsTy A type which contains references the shared variables. |
829 | /// \param Shareds Context with the list of shared variables from the \p |
830 | /// TaskFunction. |
831 | /// \param Data Additional data for task generation like tiednsee, final |
832 | /// state, list of privates etc. |
833 | TaskResultTy emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, |
834 | const OMPExecutableDirective &D, |
835 | llvm::Function *TaskFunction, QualType SharedsTy, |
836 | Address Shareds, const OMPTaskDataTy &Data); |
837 | |
838 | /// Returns default address space for the constant firstprivates, 0 by |
839 | /// default. |
840 | virtual unsigned getDefaultFirstprivateAddressSpace() const { return 0; } |
841 | |
842 | /// Emit code that pushes the trip count of loops associated with constructs |
843 | /// 'target teams distribute' and 'teams distribute parallel for'. |
844 | /// \param SizeEmitter Emits the int64 value for the number of iterations of |
845 | /// the associated loop. |
846 | void emitTargetNumIterationsCall( |
847 | CodeGenFunction &CGF, const OMPExecutableDirective &D, |
848 | llvm::Value *DeviceID, |
849 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, |
850 | const OMPLoopDirective &D)> |
851 | SizeEmitter); |
852 | |
853 | /// Emit update for lastprivate conditional data. |
854 | void emitLastprivateConditionalUpdate(CodeGenFunction &CGF, LValue IVLVal, |
855 | StringRef UniqueDeclName, LValue LVal, |
856 | SourceLocation Loc); |
857 | |
858 | public: |
859 | explicit CGOpenMPRuntime(CodeGenModule &CGM) |
860 | : CGOpenMPRuntime(CGM, ".", ".") {} |
861 | virtual ~CGOpenMPRuntime() {} |
862 | virtual void clear(); |
863 | |
864 | /// Emits code for OpenMP 'if' clause using specified \a CodeGen |
865 | /// function. Here is the logic: |
866 | /// if (Cond) { |
867 | /// ThenGen(); |
868 | /// } else { |
869 | /// ElseGen(); |
870 | /// } |
871 | void emitIfClause(CodeGenFunction &CGF, const Expr *Cond, |
872 | const RegionCodeGenTy &ThenGen, |
873 | const RegionCodeGenTy &ElseGen); |
874 | |
875 | /// Checks if the \p Body is the \a CompoundStmt and returns its child |
876 | /// statement iff there is only one that is not evaluatable at the compile |
877 | /// time. |
878 | static const Stmt *getSingleCompoundChild(ASTContext &Ctx, const Stmt *Body); |
879 | |
880 | /// Get the platform-specific name separator. |
881 | std::string getName(ArrayRef<StringRef> Parts) const; |
882 | |
883 | /// Emit code for the specified user defined reduction construct. |
884 | virtual void emitUserDefinedReduction(CodeGenFunction *CGF, |
885 | const OMPDeclareReductionDecl *D); |
886 | /// Get combiner/initializer for the specified user-defined reduction, if any. |
887 | virtual std::pair<llvm::Function *, llvm::Function *> |
888 | getUserDefinedReduction(const OMPDeclareReductionDecl *D); |
889 | |
890 | /// Emit the function for the user defined mapper construct. |
891 | void emitUserDefinedMapper(const OMPDeclareMapperDecl *D, |
892 | CodeGenFunction *CGF = nullptr); |
893 | |
894 | /// Emits outlined function for the specified OpenMP parallel directive |
895 | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
896 | /// kmp_int32 BoundID, struct context_vars*). |
897 | /// \param D OpenMP directive. |
898 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
899 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
900 | /// is a directive itself, for combined - its innermost directive). |
901 | /// \param CodeGen Code generation sequence for the \a D directive. |
902 | virtual llvm::Function *emitParallelOutlinedFunction( |
903 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, |
904 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen); |
905 | |
906 | /// Emits outlined function for the specified OpenMP teams directive |
907 | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
908 | /// kmp_int32 BoundID, struct context_vars*). |
909 | /// \param D OpenMP directive. |
910 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
911 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
912 | /// is a directive itself, for combined - its innermost directive). |
913 | /// \param CodeGen Code generation sequence for the \a D directive. |
914 | virtual llvm::Function *emitTeamsOutlinedFunction( |
915 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, |
916 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen); |
917 | |
918 | /// Emits outlined function for the OpenMP task directive \a D. This |
919 | /// outlined function has type void(*)(kmp_int32 ThreadID, struct task_t* |
920 | /// TaskT). |
921 | /// \param D OpenMP directive. |
922 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
923 | /// \param PartIDVar Variable for partition id in the current OpenMP untied |
924 | /// task region. |
925 | /// \param TaskTVar Variable for task_t argument. |
926 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
927 | /// is a directive itself, for combined - its innermost directive). |
928 | /// \param CodeGen Code generation sequence for the \a D directive. |
929 | /// \param Tied true if task is generated for tied task, false otherwise. |
930 | /// \param NumberOfParts Number of parts in untied task. Ignored for tied |
931 | /// tasks. |
932 | /// |
933 | virtual llvm::Function *emitTaskOutlinedFunction( |
934 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, |
935 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, |
936 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, |
937 | bool Tied, unsigned &NumberOfParts); |
938 | |
939 | /// Cleans up references to the objects in finished function. |
940 | /// |
941 | virtual void functionFinished(CodeGenFunction &CGF); |
942 | |
943 | /// Emits code for parallel or serial call of the \a OutlinedFn with |
944 | /// variables captured in a record which address is stored in \a |
945 | /// CapturedStruct. |
946 | /// \param OutlinedFn Outlined function to be run in parallel threads. Type of |
947 | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
948 | /// \param CapturedVars A pointer to the record with the references to |
949 | /// variables used in \a OutlinedFn function. |
950 | /// \param IfCond Condition in the associated 'if' clause, if it was |
951 | /// specified, nullptr otherwise. |
952 | /// |
953 | virtual void emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, |
954 | llvm::Function *OutlinedFn, |
955 | ArrayRef<llvm::Value *> CapturedVars, |
956 | const Expr *IfCond); |
957 | |
958 | /// Emits a critical region. |
959 | /// \param CriticalName Name of the critical region. |
960 | /// \param CriticalOpGen Generator for the statement associated with the given |
961 | /// critical region. |
962 | /// \param Hint Value of the 'hint' clause (optional). |
963 | virtual void emitCriticalRegion(CodeGenFunction &CGF, StringRef CriticalName, |
964 | const RegionCodeGenTy &CriticalOpGen, |
965 | SourceLocation Loc, |
966 | const Expr *Hint = nullptr); |
967 | |
968 | /// Emits a master region. |
969 | /// \param MasterOpGen Generator for the statement associated with the given |
970 | /// master region. |
971 | virtual void emitMasterRegion(CodeGenFunction &CGF, |
972 | const RegionCodeGenTy &MasterOpGen, |
973 | SourceLocation Loc); |
974 | |
975 | /// Emits code for a taskyield directive. |
976 | virtual void emitTaskyieldCall(CodeGenFunction &CGF, SourceLocation Loc); |
977 | |
978 | /// Emit a taskgroup region. |
979 | /// \param TaskgroupOpGen Generator for the statement associated with the |
980 | /// given taskgroup region. |
981 | virtual void emitTaskgroupRegion(CodeGenFunction &CGF, |
982 | const RegionCodeGenTy &TaskgroupOpGen, |
983 | SourceLocation Loc); |
984 | |
985 | /// Emits a single region. |
986 | /// \param SingleOpGen Generator for the statement associated with the given |
987 | /// single region. |
988 | virtual void emitSingleRegion(CodeGenFunction &CGF, |
989 | const RegionCodeGenTy &SingleOpGen, |
990 | SourceLocation Loc, |
991 | ArrayRef<const Expr *> CopyprivateVars, |
992 | ArrayRef<const Expr *> DestExprs, |
993 | ArrayRef<const Expr *> SrcExprs, |
994 | ArrayRef<const Expr *> AssignmentOps); |
995 | |
996 | /// Emit an ordered region. |
997 | /// \param OrderedOpGen Generator for the statement associated with the given |
998 | /// ordered region. |
999 | virtual void emitOrderedRegion(CodeGenFunction &CGF, |
1000 | const RegionCodeGenTy &OrderedOpGen, |
1001 | SourceLocation Loc, bool IsThreads); |
1002 | |
1003 | /// Emit an implicit/explicit barrier for OpenMP threads. |
1004 | /// \param Kind Directive for which this implicit barrier call must be |
1005 | /// generated. Must be OMPD_barrier for explicit barrier generation. |
1006 | /// \param EmitChecks true if need to emit checks for cancellation barriers. |
1007 | /// \param ForceSimpleCall true simple barrier call must be emitted, false if |
1008 | /// runtime class decides which one to emit (simple or with cancellation |
1009 | /// checks). |
1010 | /// |
1011 | virtual void emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, |
1012 | OpenMPDirectiveKind Kind, |
1013 | bool EmitChecks = true, |
1014 | bool ForceSimpleCall = false); |
1015 | |
1016 | /// Check if the specified \a ScheduleKind is static non-chunked. |
1017 | /// This kind of worksharing directive is emitted without outer loop. |
1018 | /// \param ScheduleKind Schedule kind specified in the 'schedule' clause. |
1019 | /// \param Chunked True if chunk is specified in the clause. |
1020 | /// |
1021 | virtual bool isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, |
1022 | bool Chunked) const; |
1023 | |
1024 | /// Check if the specified \a ScheduleKind is static non-chunked. |
1025 | /// This kind of distribute directive is emitted without outer loop. |
1026 | /// \param ScheduleKind Schedule kind specified in the 'dist_schedule' clause. |
1027 | /// \param Chunked True if chunk is specified in the clause. |
1028 | /// |
1029 | virtual bool isStaticNonchunked(OpenMPDistScheduleClauseKind ScheduleKind, |
1030 | bool Chunked) const; |
1031 | |
1032 | /// Check if the specified \a ScheduleKind is static chunked. |
1033 | /// \param ScheduleKind Schedule kind specified in the 'schedule' clause. |
1034 | /// \param Chunked True if chunk is specified in the clause. |
1035 | /// |
1036 | virtual bool isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, |
1037 | bool Chunked) const; |
1038 | |
1039 | /// Check if the specified \a ScheduleKind is static non-chunked. |
1040 | /// \param ScheduleKind Schedule kind specified in the 'dist_schedule' clause. |
1041 | /// \param Chunked True if chunk is specified in the clause. |
1042 | /// |
1043 | virtual bool isStaticChunked(OpenMPDistScheduleClauseKind ScheduleKind, |
1044 | bool Chunked) const; |
1045 | |
1046 | /// Check if the specified \a ScheduleKind is dynamic. |
1047 | /// This kind of worksharing directive is emitted without outer loop. |
1048 | /// \param ScheduleKind Schedule Kind specified in the 'schedule' clause. |
1049 | /// |
1050 | virtual bool isDynamic(OpenMPScheduleClauseKind ScheduleKind) const; |
1051 | |
1052 | /// struct with the values to be passed to the dispatch runtime function |
1053 | struct DispatchRTInput { |
1054 | /// Loop lower bound |
1055 | llvm::Value *LB = nullptr; |
1056 | /// Loop upper bound |
1057 | llvm::Value *UB = nullptr; |
1058 | /// Chunk size specified using 'schedule' clause (nullptr if chunk |
1059 | /// was not specified) |
1060 | llvm::Value *Chunk = nullptr; |
1061 | DispatchRTInput() = default; |
1062 | DispatchRTInput(llvm::Value *LB, llvm::Value *UB, llvm::Value *Chunk) |
1063 | : LB(LB), UB(UB), Chunk(Chunk) {} |
1064 | }; |
1065 | |
1066 | /// Call the appropriate runtime routine to initialize it before start |
1067 | /// of loop. |
1068 | |
1069 | /// This is used for non static scheduled types and when the ordered |
1070 | /// clause is present on the loop construct. |
1071 | /// Depending on the loop schedule, it is necessary to call some runtime |
1072 | /// routine before start of the OpenMP loop to get the loop upper / lower |
1073 | /// bounds \a LB and \a UB and stride \a ST. |
1074 | /// |
1075 | /// \param CGF Reference to current CodeGenFunction. |
1076 | /// \param Loc Clang source location. |
1077 | /// \param ScheduleKind Schedule kind, specified by the 'schedule' clause. |
1078 | /// \param IVSize Size of the iteration variable in bits. |
1079 | /// \param IVSigned Sign of the iteration variable. |
1080 | /// \param Ordered true if loop is ordered, false otherwise. |
1081 | /// \param DispatchValues struct containing llvm values for lower bound, upper |
1082 | /// bound, and chunk expression. |
1083 | /// For the default (nullptr) value, the chunk 1 will be used. |
1084 | /// |
1085 | virtual void emitForDispatchInit(CodeGenFunction &CGF, SourceLocation Loc, |
1086 | const OpenMPScheduleTy &ScheduleKind, |
1087 | unsigned IVSize, bool IVSigned, bool Ordered, |
1088 | const DispatchRTInput &DispatchValues); |
1089 | |
1090 | /// Struct with the values to be passed to the static runtime function |
1091 | struct StaticRTInput { |
1092 | /// Size of the iteration variable in bits. |
1093 | unsigned IVSize = 0; |
1094 | /// Sign of the iteration variable. |
1095 | bool IVSigned = false; |
1096 | /// true if loop is ordered, false otherwise. |
1097 | bool Ordered = false; |
1098 | /// Address of the output variable in which the flag of the last iteration |
1099 | /// is returned. |
1100 | Address IL = Address::invalid(); |
1101 | /// Address of the output variable in which the lower iteration number is |
1102 | /// returned. |
1103 | Address LB = Address::invalid(); |
1104 | /// Address of the output variable in which the upper iteration number is |
1105 | /// returned. |
1106 | Address UB = Address::invalid(); |
1107 | /// Address of the output variable in which the stride value is returned |
1108 | /// necessary to generated the static_chunked scheduled loop. |
1109 | Address ST = Address::invalid(); |
1110 | /// Value of the chunk for the static_chunked scheduled loop. For the |
1111 | /// default (nullptr) value, the chunk 1 will be used. |
1112 | llvm::Value *Chunk = nullptr; |
1113 | StaticRTInput(unsigned IVSize, bool IVSigned, bool Ordered, Address IL, |
1114 | Address LB, Address UB, Address ST, |
1115 | llvm::Value *Chunk = nullptr) |
1116 | : IVSize(IVSize), IVSigned(IVSigned), Ordered(Ordered), IL(IL), LB(LB), |
1117 | UB(UB), ST(ST), Chunk(Chunk) {} |
1118 | }; |
1119 | /// Call the appropriate runtime routine to initialize it before start |
1120 | /// of loop. |
1121 | /// |
1122 | /// This is used only in case of static schedule, when the user did not |
1123 | /// specify a ordered clause on the loop construct. |
1124 | /// Depending on the loop schedule, it is necessary to call some runtime |
1125 | /// routine before start of the OpenMP loop to get the loop upper / lower |
1126 | /// bounds LB and UB and stride ST. |
1127 | /// |
1128 | /// \param CGF Reference to current CodeGenFunction. |
1129 | /// \param Loc Clang source location. |
1130 | /// \param DKind Kind of the directive. |
1131 | /// \param ScheduleKind Schedule kind, specified by the 'schedule' clause. |
1132 | /// \param Values Input arguments for the construct. |
1133 | /// |
1134 | virtual void emitForStaticInit(CodeGenFunction &CGF, SourceLocation Loc, |
1135 | OpenMPDirectiveKind DKind, |
1136 | const OpenMPScheduleTy &ScheduleKind, |
1137 | const StaticRTInput &Values); |
1138 | |
1139 | /// |
1140 | /// \param CGF Reference to current CodeGenFunction. |
1141 | /// \param Loc Clang source location. |
1142 | /// \param SchedKind Schedule kind, specified by the 'dist_schedule' clause. |
1143 | /// \param Values Input arguments for the construct. |
1144 | /// |
1145 | virtual void emitDistributeStaticInit(CodeGenFunction &CGF, |
1146 | SourceLocation Loc, |
1147 | OpenMPDistScheduleClauseKind SchedKind, |
1148 | const StaticRTInput &Values); |
1149 | |
1150 | /// Call the appropriate runtime routine to notify that we finished |
1151 | /// iteration of the ordered loop with the dynamic scheduling. |
1152 | /// |
1153 | /// \param CGF Reference to current CodeGenFunction. |
1154 | /// \param Loc Clang source location. |
1155 | /// \param IVSize Size of the iteration variable in bits. |
1156 | /// \param IVSigned Sign of the iteration variable. |
1157 | /// |
1158 | virtual void emitForOrderedIterationEnd(CodeGenFunction &CGF, |
1159 | SourceLocation Loc, unsigned IVSize, |
1160 | bool IVSigned); |
1161 | |
1162 | /// Call the appropriate runtime routine to notify that we finished |
1163 | /// all the work with current loop. |
1164 | /// |
1165 | /// \param CGF Reference to current CodeGenFunction. |
1166 | /// \param Loc Clang source location. |
1167 | /// \param DKind Kind of the directive for which the static finish is emitted. |
1168 | /// |
1169 | virtual void emitForStaticFinish(CodeGenFunction &CGF, SourceLocation Loc, |
1170 | OpenMPDirectiveKind DKind); |
1171 | |
1172 | /// Call __kmpc_dispatch_next( |
1173 | /// ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, |
1174 | /// kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, |
1175 | /// kmp_int[32|64] *p_stride); |
1176 | /// \param IVSize Size of the iteration variable in bits. |
1177 | /// \param IVSigned Sign of the iteration variable. |
1178 | /// \param IL Address of the output variable in which the flag of the |
1179 | /// last iteration is returned. |
1180 | /// \param LB Address of the output variable in which the lower iteration |
1181 | /// number is returned. |
1182 | /// \param UB Address of the output variable in which the upper iteration |
1183 | /// number is returned. |
1184 | /// \param ST Address of the output variable in which the stride value is |
1185 | /// returned. |
1186 | virtual llvm::Value *emitForNext(CodeGenFunction &CGF, SourceLocation Loc, |
1187 | unsigned IVSize, bool IVSigned, |
1188 | Address IL, Address LB, |
1189 | Address UB, Address ST); |
1190 | |
1191 | /// Emits call to void __kmpc_push_num_threads(ident_t *loc, kmp_int32 |
1192 | /// global_tid, kmp_int32 num_threads) to generate code for 'num_threads' |
1193 | /// clause. |
1194 | /// \param NumThreads An integer value of threads. |
1195 | virtual void emitNumThreadsClause(CodeGenFunction &CGF, |
1196 | llvm::Value *NumThreads, |
1197 | SourceLocation Loc); |
1198 | |
1199 | /// Emit call to void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 |
1200 | /// global_tid, int proc_bind) to generate code for 'proc_bind' clause. |
1201 | virtual void emitProcBindClause(CodeGenFunction &CGF, |
1202 | llvm::omp::ProcBindKind ProcBind, |
1203 | SourceLocation Loc); |
1204 | |
1205 | /// Returns address of the threadprivate variable for the current |
1206 | /// thread. |
1207 | /// \param VD Threadprivate variable. |
1208 | /// \param VDAddr Address of the global variable \a VD. |
1209 | /// \param Loc Location of the reference to threadprivate var. |
1210 | /// \return Address of the threadprivate variable for the current thread. |
1211 | virtual Address getAddrOfThreadPrivate(CodeGenFunction &CGF, |
1212 | const VarDecl *VD, |
1213 | Address VDAddr, |
1214 | SourceLocation Loc); |
1215 | |
1216 | /// Returns the address of the variable marked as declare target with link |
1217 | /// clause OR as declare target with to clause and unified memory. |
1218 | virtual Address getAddrOfDeclareTargetVar(const VarDecl *VD); |
1219 | |
1220 | /// Emit a code for initialization of threadprivate variable. It emits |
1221 | /// a call to runtime library which adds initial value to the newly created |
1222 | /// threadprivate variable (if it is not constant) and registers destructor |
1223 | /// for the variable (if any). |
1224 | /// \param VD Threadprivate variable. |
1225 | /// \param VDAddr Address of the global variable \a VD. |
1226 | /// \param Loc Location of threadprivate declaration. |
1227 | /// \param PerformInit true if initialization expression is not constant. |
1228 | virtual llvm::Function * |
1229 | emitThreadPrivateVarDefinition(const VarDecl *VD, Address VDAddr, |
1230 | SourceLocation Loc, bool PerformInit, |
1231 | CodeGenFunction *CGF = nullptr); |
1232 | |
1233 | /// Emit a code for initialization of declare target variable. |
1234 | /// \param VD Declare target variable. |
1235 | /// \param Addr Address of the global variable \a VD. |
1236 | /// \param PerformInit true if initialization expression is not constant. |
1237 | virtual bool emitDeclareTargetVarDefinition(const VarDecl *VD, |
1238 | llvm::GlobalVariable *Addr, |
1239 | bool PerformInit); |
1240 | |
1241 | /// Creates artificial threadprivate variable with name \p Name and type \p |
1242 | /// VarType. |
1243 | /// \param VarType Type of the artificial threadprivate variable. |
1244 | /// \param Name Name of the artificial threadprivate variable. |
1245 | virtual Address getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, |
1246 | QualType VarType, |
1247 | StringRef Name); |
1248 | |
1249 | /// Emit flush of the variables specified in 'omp flush' directive. |
1250 | /// \param Vars List of variables to flush. |
1251 | virtual void emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *> Vars, |
1252 | SourceLocation Loc, llvm::AtomicOrdering AO); |
1253 | |
1254 | /// Emit task region for the task directive. The task region is |
1255 | /// emitted in several steps: |
1256 | /// 1. Emit a call to kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 |
1257 | /// gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, |
1258 | /// kmp_routine_entry_t *task_entry). Here task_entry is a pointer to the |
1259 | /// function: |
1260 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { |
1261 | /// TaskFunction(gtid, tt->part_id, tt->shareds); |
1262 | /// return 0; |
1263 | /// } |
1264 | /// 2. Copy a list of shared variables to field shareds of the resulting |
1265 | /// structure kmp_task_t returned by the previous call (if any). |
1266 | /// 3. Copy a pointer to destructions function to field destructions of the |
1267 | /// resulting structure kmp_task_t. |
1268 | /// 4. Emit a call to kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, |
1269 | /// kmp_task_t *new_task), where new_task is a resulting structure from |
1270 | /// previous items. |
1271 | /// \param D Current task directive. |
1272 | /// \param TaskFunction An LLVM function with type void (*)(i32 /*gtid*/, i32 |
1273 | /// /*part_id*/, captured_struct */*__context*/); |
1274 | /// \param SharedsTy A type which contains references the shared variables. |
1275 | /// \param Shareds Context with the list of shared variables from the \p |
1276 | /// TaskFunction. |
1277 | /// \param IfCond Not a nullptr if 'if' clause was specified, nullptr |
1278 | /// otherwise. |
1279 | /// \param Data Additional data for task generation like tiednsee, final |
1280 | /// state, list of privates etc. |
1281 | virtual void emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, |
1282 | const OMPExecutableDirective &D, |
1283 | llvm::Function *TaskFunction, QualType SharedsTy, |
1284 | Address Shareds, const Expr *IfCond, |
1285 | const OMPTaskDataTy &Data); |
1286 | |
1287 | /// Emit task region for the taskloop directive. The taskloop region is |
1288 | /// emitted in several steps: |
1289 | /// 1. Emit a call to kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 |
1290 | /// gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, |
1291 | /// kmp_routine_entry_t *task_entry). Here task_entry is a pointer to the |
1292 | /// function: |
1293 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { |
1294 | /// TaskFunction(gtid, tt->part_id, tt->shareds); |
1295 | /// return 0; |
1296 | /// } |
1297 | /// 2. Copy a list of shared variables to field shareds of the resulting |
1298 | /// structure kmp_task_t returned by the previous call (if any). |
1299 | /// 3. Copy a pointer to destructions function to field destructions of the |
1300 | /// resulting structure kmp_task_t. |
1301 | /// 4. Emit a call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t |
1302 | /// *task, int if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int |
1303 | /// nogroup, int sched, kmp_uint64 grainsize, void *task_dup ), where new_task |
1304 | /// is a resulting structure from |
1305 | /// previous items. |
1306 | /// \param D Current task directive. |
1307 | /// \param TaskFunction An LLVM function with type void (*)(i32 /*gtid*/, i32 |
1308 | /// /*part_id*/, captured_struct */*__context*/); |
1309 | /// \param SharedsTy A type which contains references the shared variables. |
1310 | /// \param Shareds Context with the list of shared variables from the \p |
1311 | /// TaskFunction. |
1312 | /// \param IfCond Not a nullptr if 'if' clause was specified, nullptr |
1313 | /// otherwise. |
1314 | /// \param Data Additional data for task generation like tiednsee, final |
1315 | /// state, list of privates etc. |
1316 | virtual void emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, |
1317 | const OMPLoopDirective &D, |
1318 | llvm::Function *TaskFunction, |
1319 | QualType SharedsTy, Address Shareds, |
1320 | const Expr *IfCond, const OMPTaskDataTy &Data); |
1321 | |
1322 | /// Emit code for the directive that does not require outlining. |
1323 | /// |
1324 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
1325 | /// is a directive itself, for combined - its innermost directive). |
1326 | /// \param CodeGen Code generation sequence for the \a D directive. |
1327 | /// \param HasCancel true if region has inner cancel directive, false |
1328 | /// otherwise. |
1329 | virtual void emitInlinedDirective(CodeGenFunction &CGF, |
1330 | OpenMPDirectiveKind InnermostKind, |
1331 | const RegionCodeGenTy &CodeGen, |
1332 | bool HasCancel = false); |
1333 | |
1334 | /// Emits reduction function. |
1335 | /// \param ArgsType Array type containing pointers to reduction variables. |
1336 | /// \param Privates List of private copies for original reduction arguments. |
1337 | /// \param LHSExprs List of LHS in \a ReductionOps reduction operations. |
1338 | /// \param RHSExprs List of RHS in \a ReductionOps reduction operations. |
1339 | /// \param ReductionOps List of reduction operations in form 'LHS binop RHS' |
1340 | /// or 'operator binop(LHS, RHS)'. |
1341 | llvm::Function *emitReductionFunction(SourceLocation Loc, |
1342 | llvm::Type *ArgsType, |
1343 | ArrayRef<const Expr *> Privates, |
1344 | ArrayRef<const Expr *> LHSExprs, |
1345 | ArrayRef<const Expr *> RHSExprs, |
1346 | ArrayRef<const Expr *> ReductionOps); |
1347 | |
1348 | /// Emits single reduction combiner |
1349 | void emitSingleReductionCombiner(CodeGenFunction &CGF, |
1350 | const Expr *ReductionOp, |
1351 | const Expr *PrivateRef, |
1352 | const DeclRefExpr *LHS, |
1353 | const DeclRefExpr *RHS); |
1354 | |
1355 | struct ReductionOptionsTy { |
1356 | bool WithNowait; |
1357 | bool SimpleReduction; |
1358 | OpenMPDirectiveKind ReductionKind; |
1359 | }; |
1360 | /// Emit a code for reduction clause. Next code should be emitted for |
1361 | /// reduction: |
1362 | /// \code |
1363 | /// |
1364 | /// static kmp_critical_name lock = { 0 }; |
1365 | /// |
1366 | /// void reduce_func(void *lhs[<n>], void *rhs[<n>]) { |
1367 | /// ... |
1368 | /// *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); |
1369 | /// ... |
1370 | /// } |
1371 | /// |
1372 | /// ... |
1373 | /// void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; |
1374 | /// switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), |
1375 | /// RedList, reduce_func, &<lock>)) { |
1376 | /// case 1: |
1377 | /// ... |
1378 | /// <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); |
1379 | /// ... |
1380 | /// __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); |
1381 | /// break; |
1382 | /// case 2: |
1383 | /// ... |
1384 | /// Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); |
1385 | /// ... |
1386 | /// break; |
1387 | /// default:; |
1388 | /// } |
1389 | /// \endcode |
1390 | /// |
1391 | /// \param Privates List of private copies for original reduction arguments. |
1392 | /// \param LHSExprs List of LHS in \a ReductionOps reduction operations. |
1393 | /// \param RHSExprs List of RHS in \a ReductionOps reduction operations. |
1394 | /// \param ReductionOps List of reduction operations in form 'LHS binop RHS' |
1395 | /// or 'operator binop(LHS, RHS)'. |
1396 | /// \param Options List of options for reduction codegen: |
1397 | /// WithNowait true if parent directive has also nowait clause, false |
1398 | /// otherwise. |
1399 | /// SimpleReduction Emit reduction operation only. Used for omp simd |
1400 | /// directive on the host. |
1401 | /// ReductionKind The kind of reduction to perform. |
1402 | virtual void emitReduction(CodeGenFunction &CGF, SourceLocation Loc, |
1403 | ArrayRef<const Expr *> Privates, |
1404 | ArrayRef<const Expr *> LHSExprs, |
1405 | ArrayRef<const Expr *> RHSExprs, |
1406 | ArrayRef<const Expr *> ReductionOps, |
1407 | ReductionOptionsTy Options); |
1408 | |
1409 | /// Emit a code for initialization of task reduction clause. Next code |
1410 | /// should be emitted for reduction: |
1411 | /// \code |
1412 | /// |
1413 | /// _task_red_item_t red_data[n]; |
1414 | /// ... |
1415 | /// red_data[i].shar = &origs[i]; |
1416 | /// red_data[i].size = sizeof(origs[i]); |
1417 | /// red_data[i].f_init = (void*)RedInit<i>; |
1418 | /// red_data[i].f_fini = (void*)RedDest<i>; |
1419 | /// red_data[i].f_comb = (void*)RedOp<i>; |
1420 | /// red_data[i].flags = <Flag_i>; |
1421 | /// ... |
1422 | /// void* tg1 = __kmpc_task_reduction_init(gtid, n, red_data); |
1423 | /// \endcode |
1424 | /// |
1425 | /// \param LHSExprs List of LHS in \a Data.ReductionOps reduction operations. |
1426 | /// \param RHSExprs List of RHS in \a Data.ReductionOps reduction operations. |
1427 | /// \param Data Additional data for task generation like tiedness, final |
1428 | /// state, list of privates, reductions etc. |
1429 | virtual llvm::Value *emitTaskReductionInit(CodeGenFunction &CGF, |
1430 | SourceLocation Loc, |
1431 | ArrayRef<const Expr *> LHSExprs, |
1432 | ArrayRef<const Expr *> RHSExprs, |
1433 | const OMPTaskDataTy &Data); |
1434 | |
1435 | /// Required to resolve existing problems in the runtime. Emits threadprivate |
1436 | /// variables to store the size of the VLAs/array sections for |
1437 | /// initializer/combiner/finalizer functions + emits threadprivate variable to |
1438 | /// store the pointer to the original reduction item for the custom |
1439 | /// initializer defined by declare reduction construct. |
1440 | /// \param RCG Allows to reuse an existing data for the reductions. |
1441 | /// \param N Reduction item for which fixups must be emitted. |
1442 | virtual void emitTaskReductionFixups(CodeGenFunction &CGF, SourceLocation Loc, |
1443 | ReductionCodeGen &RCG, unsigned N); |
1444 | |
1445 | /// Get the address of `void *` type of the privatue copy of the reduction |
1446 | /// item specified by the \p SharedLVal. |
1447 | /// \param ReductionsPtr Pointer to the reduction data returned by the |
1448 | /// emitTaskReductionInit function. |
1449 | /// \param SharedLVal Address of the original reduction item. |
1450 | virtual Address getTaskReductionItem(CodeGenFunction &CGF, SourceLocation Loc, |
1451 | llvm::Value *ReductionsPtr, |
1452 | LValue SharedLVal); |
1453 | |
1454 | /// Emit code for 'taskwait' directive. |
1455 | virtual void emitTaskwaitCall(CodeGenFunction &CGF, SourceLocation Loc); |
1456 | |
1457 | /// Emit code for 'cancellation point' construct. |
1458 | /// \param CancelRegion Region kind for which the cancellation point must be |
1459 | /// emitted. |
1460 | /// |
1461 | virtual void emitCancellationPointCall(CodeGenFunction &CGF, |
1462 | SourceLocation Loc, |
1463 | OpenMPDirectiveKind CancelRegion); |
1464 | |
1465 | /// Emit code for 'cancel' construct. |
1466 | /// \param IfCond Condition in the associated 'if' clause, if it was |
1467 | /// specified, nullptr otherwise. |
1468 | /// \param CancelRegion Region kind for which the cancel must be emitted. |
1469 | /// |
1470 | virtual void emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, |
1471 | const Expr *IfCond, |
1472 | OpenMPDirectiveKind CancelRegion); |
1473 | |
1474 | /// Emit outilined function for 'target' directive. |
1475 | /// \param D Directive to emit. |
1476 | /// \param ParentName Name of the function that encloses the target region. |
1477 | /// \param OutlinedFn Outlined function value to be defined by this call. |
1478 | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
1479 | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
1480 | /// \param CodeGen Code generation sequence for the \a D directive. |
1481 | /// An outlined function may not be an entry if, e.g. the if clause always |
1482 | /// evaluates to false. |
1483 | virtual void emitTargetOutlinedFunction(const OMPExecutableDirective &D, |
1484 | StringRef ParentName, |
1485 | llvm::Function *&OutlinedFn, |
1486 | llvm::Constant *&OutlinedFnID, |
1487 | bool IsOffloadEntry, |
1488 | const RegionCodeGenTy &CodeGen); |
1489 | |
1490 | /// Emit the target offloading code associated with \a D. The emitted |
1491 | /// code attempts offloading the execution to the device, an the event of |
1492 | /// a failure it executes the host version outlined in \a OutlinedFn. |
1493 | /// \param D Directive to emit. |
1494 | /// \param OutlinedFn Host version of the code to be offloaded. |
1495 | /// \param OutlinedFnID ID of host version of the code to be offloaded. |
1496 | /// \param IfCond Expression evaluated in if clause associated with the target |
1497 | /// directive, or null if no if clause is used. |
1498 | /// \param Device Expression evaluated in device clause associated with the |
1499 | /// target directive, or null if no device clause is used. |
1500 | /// \param SizeEmitter Callback to emit number of iterations for loop-based |
1501 | /// directives. |
1502 | virtual void |
1503 | emitTargetCall(CodeGenFunction &CGF, const OMPExecutableDirective &D, |
1504 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, |
1505 | const Expr *IfCond, const Expr *Device, |
1506 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, |
1507 | const OMPLoopDirective &D)> |
1508 | SizeEmitter); |
1509 | |
1510 | /// Emit the target regions enclosed in \a GD function definition or |
1511 | /// the function itself in case it is a valid device function. Returns true if |
1512 | /// \a GD was dealt with successfully. |
1513 | /// \param GD Function to scan. |
1514 | virtual bool emitTargetFunctions(GlobalDecl GD); |
1515 | |
1516 | /// Emit the global variable if it is a valid device global variable. |
1517 | /// Returns true if \a GD was dealt with successfully. |
1518 | /// \param GD Variable declaration to emit. |
1519 | virtual bool emitTargetGlobalVariable(GlobalDecl GD); |
1520 | |
1521 | /// Checks if the provided global decl \a GD is a declare target variable and |
1522 | /// registers it when emitting code for the host. |
1523 | virtual void registerTargetGlobalVariable(const VarDecl *VD, |
1524 | llvm::Constant *Addr); |
1525 | |
1526 | /// Registers provided target firstprivate variable as global on the |
1527 | /// target. |
1528 | llvm::Constant *registerTargetFirstprivateCopy(CodeGenFunction &CGF, |
1529 | const VarDecl *VD); |
1530 | |
1531 | /// Emit the global \a GD if it is meaningful for the target. Returns |
1532 | /// if it was emitted successfully. |
1533 | /// \param GD Global to scan. |
1534 | virtual bool emitTargetGlobal(GlobalDecl GD); |
1535 | |
1536 | /// Creates and returns a registration function for when at least one |
1537 | /// requires directives was used in the current module. |
1538 | llvm::Function *emitRequiresDirectiveRegFun(); |
1539 | |
1540 | /// Creates all the offload entries in the current compilation unit |
1541 | /// along with the associated metadata. |
1542 | void createOffloadEntriesAndInfoMetadata(); |
1543 | |
1544 | /// Emits code for teams call of the \a OutlinedFn with |
1545 | /// variables captured in a record which address is stored in \a |
1546 | /// CapturedStruct. |
1547 | /// \param OutlinedFn Outlined function to be run by team masters. Type of |
1548 | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
1549 | /// \param CapturedVars A pointer to the record with the references to |
1550 | /// variables used in \a OutlinedFn function. |
1551 | /// |
1552 | virtual void emitTeamsCall(CodeGenFunction &CGF, |
1553 | const OMPExecutableDirective &D, |
1554 | SourceLocation Loc, llvm::Function *OutlinedFn, |
1555 | ArrayRef<llvm::Value *> CapturedVars); |
1556 | |
1557 | /// Emits call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32 |
1558 | /// global_tid, kmp_int32 num_teams, kmp_int32 thread_limit) to generate code |
1559 | /// for num_teams clause. |
1560 | /// \param NumTeams An integer expression of teams. |
1561 | /// \param ThreadLimit An integer expression of threads. |
1562 | virtual void emitNumTeamsClause(CodeGenFunction &CGF, const Expr *NumTeams, |
1563 | const Expr *ThreadLimit, SourceLocation Loc); |
1564 | |
1565 | /// Struct that keeps all the relevant information that should be kept |
1566 | /// throughout a 'target data' region. |
1567 | class TargetDataInfo { |
1568 | /// Set to true if device pointer information have to be obtained. |
1569 | bool RequiresDevicePointerInfo = false; |
1570 | |
1571 | public: |
1572 | /// The array of base pointer passed to the runtime library. |
1573 | llvm::Value *BasePointersArray = nullptr; |
1574 | /// The array of section pointers passed to the runtime library. |
1575 | llvm::Value *PointersArray = nullptr; |
1576 | /// The array of sizes passed to the runtime library. |
1577 | llvm::Value *SizesArray = nullptr; |
1578 | /// The array of map types passed to the runtime library. |
1579 | llvm::Value *MapTypesArray = nullptr; |
1580 | /// The total number of pointers passed to the runtime library. |
1581 | unsigned NumberOfPtrs = 0u; |
1582 | /// Map between the a declaration of a capture and the corresponding base |
1583 | /// pointer address where the runtime returns the device pointers. |
1584 | llvm::DenseMap<const ValueDecl *, Address> CaptureDeviceAddrMap; |
1585 | |
1586 | explicit TargetDataInfo() {} |
1587 | explicit TargetDataInfo(bool RequiresDevicePointerInfo) |
1588 | : RequiresDevicePointerInfo(RequiresDevicePointerInfo) {} |
1589 | /// Clear information about the data arrays. |
1590 | void clearArrayInfo() { |
1591 | BasePointersArray = nullptr; |
1592 | PointersArray = nullptr; |
1593 | SizesArray = nullptr; |
1594 | MapTypesArray = nullptr; |
1595 | NumberOfPtrs = 0u; |
1596 | } |
1597 | /// Return true if the current target data information has valid arrays. |
1598 | bool isValid() { |
1599 | return BasePointersArray && PointersArray && SizesArray && |
1600 | MapTypesArray && NumberOfPtrs; |
1601 | } |
1602 | bool requiresDevicePointerInfo() { return RequiresDevicePointerInfo; } |
1603 | }; |
1604 | |
1605 | /// Emit the target data mapping code associated with \a D. |
1606 | /// \param D Directive to emit. |
1607 | /// \param IfCond Expression evaluated in if clause associated with the |
1608 | /// target directive, or null if no device clause is used. |
1609 | /// \param Device Expression evaluated in device clause associated with the |
1610 | /// target directive, or null if no device clause is used. |
1611 | /// \param Info A record used to store information that needs to be preserved |
1612 | /// until the region is closed. |
1613 | virtual void emitTargetDataCalls(CodeGenFunction &CGF, |
1614 | const OMPExecutableDirective &D, |
1615 | const Expr *IfCond, const Expr *Device, |
1616 | const RegionCodeGenTy &CodeGen, |
1617 | TargetDataInfo &Info); |
1618 | |
1619 | /// Emit the data mapping/movement code associated with the directive |
1620 | /// \a D that should be of the form 'target [{enter|exit} data | update]'. |
1621 | /// \param D Directive to emit. |
1622 | /// \param IfCond Expression evaluated in if clause associated with the target |
1623 | /// directive, or null if no if clause is used. |
1624 | /// \param Device Expression evaluated in device clause associated with the |
1625 | /// target directive, or null if no device clause is used. |
1626 | virtual void emitTargetDataStandAloneCall(CodeGenFunction &CGF, |
1627 | const OMPExecutableDirective &D, |
1628 | const Expr *IfCond, |
1629 | const Expr *Device); |
1630 | |
1631 | /// Marks function \a Fn with properly mangled versions of vector functions. |
1632 | /// \param FD Function marked as 'declare simd'. |
1633 | /// \param Fn LLVM function that must be marked with 'declare simd' |
1634 | /// attributes. |
1635 | virtual void emitDeclareSimdFunction(const FunctionDecl *FD, |
1636 | llvm::Function *Fn); |
1637 | |
1638 | /// Emit initialization for doacross loop nesting support. |
1639 | /// \param D Loop-based construct used in doacross nesting construct. |
1640 | virtual void emitDoacrossInit(CodeGenFunction &CGF, const OMPLoopDirective &D, |
1641 | ArrayRef<Expr *> NumIterations); |
1642 | |
1643 | /// Emit code for doacross ordered directive with 'depend' clause. |
1644 | /// \param C 'depend' clause with 'sink|source' dependency kind. |
1645 | virtual void emitDoacrossOrdered(CodeGenFunction &CGF, |
1646 | const OMPDependClause *C); |
1647 | |
1648 | /// Translates the native parameter of outlined function if this is required |
1649 | /// for target. |
1650 | /// \param FD Field decl from captured record for the parameter. |
1651 | /// \param NativeParam Parameter itself. |
1652 | virtual const VarDecl *translateParameter(const FieldDecl *FD, |
1653 | const VarDecl *NativeParam) const { |
1654 | return NativeParam; |
1655 | } |
1656 | |
1657 | /// Gets the address of the native argument basing on the address of the |
1658 | /// target-specific parameter. |
1659 | /// \param NativeParam Parameter itself. |
1660 | /// \param TargetParam Corresponding target-specific parameter. |
1661 | virtual Address getParameterAddress(CodeGenFunction &CGF, |
1662 | const VarDecl *NativeParam, |
1663 | const VarDecl *TargetParam) const; |
1664 | |
1665 | /// Choose default schedule type and chunk value for the |
1666 | /// dist_schedule clause. |
1667 | virtual void getDefaultDistScheduleAndChunk(CodeGenFunction &CGF, |
1668 | const OMPLoopDirective &S, OpenMPDistScheduleClauseKind &ScheduleKind, |
1669 | llvm::Value *&Chunk) const {} |
1670 | |
1671 | /// Choose default schedule type and chunk value for the |
1672 | /// schedule clause. |
1673 | virtual void getDefaultScheduleAndChunk(CodeGenFunction &CGF, |
1674 | const OMPLoopDirective &S, OpenMPScheduleClauseKind &ScheduleKind, |
1675 | const Expr *&ChunkExpr) const; |
1676 | |
1677 | /// Emits call of the outlined function with the provided arguments, |
1678 | /// translating these arguments to correct target-specific arguments. |
1679 | virtual void |
1680 | emitOutlinedFunctionCall(CodeGenFunction &CGF, SourceLocation Loc, |
1681 | llvm::FunctionCallee OutlinedFn, |
1682 | ArrayRef<llvm::Value *> Args = llvm::None) const; |
1683 | |
1684 | /// Emits OpenMP-specific function prolog. |
1685 | /// Required for device constructs. |
1686 | virtual void emitFunctionProlog(CodeGenFunction &CGF, const Decl *D); |
1687 | |
1688 | /// Gets the OpenMP-specific address of the local variable. |
1689 | virtual Address getAddressOfLocalVariable(CodeGenFunction &CGF, |
1690 | const VarDecl *VD); |
1691 | |
1692 | /// Marks the declaration as already emitted for the device code and returns |
1693 | /// true, if it was marked already, and false, otherwise. |
1694 | bool markAsGlobalTarget(GlobalDecl GD); |
1695 | |
1696 | /// Emit deferred declare target variables marked for deferred emission. |
1697 | void emitDeferredTargetDecls() const; |
1698 | |
1699 | /// Adjust some parameters for the target-based directives, like addresses of |
1700 | /// the variables captured by reference in lambdas. |
1701 | virtual void |
1702 | adjustTargetSpecificDataForLambdas(CodeGenFunction &CGF, |
1703 | const OMPExecutableDirective &D) const; |
1704 | |
1705 | /// Perform check on requires decl to ensure that target architecture |
1706 | /// supports unified addressing |
1707 | virtual void processRequiresDirective(const OMPRequiresDecl *D); |
1708 | |
1709 | /// Gets default memory ordering as specified in requires directive. |
1710 | llvm::AtomicOrdering getDefaultMemoryOrdering() const; |
1711 | |
1712 | /// Checks if the variable has associated OMPAllocateDeclAttr attribute with |
1713 | /// the predefined allocator and translates it into the corresponding address |
1714 | /// space. |
1715 | virtual bool hasAllocateAttributeForGlobalVar(const VarDecl *VD, LangAS &AS); |
1716 | |
1717 | /// Return whether the unified_shared_memory has been specified. |
1718 | bool hasRequiresUnifiedSharedMemory() const; |
1719 | |
1720 | /// Emits the definition of the declare variant function. |
1721 | virtual bool emitDeclareVariant(GlobalDecl GD, bool IsForDefinition); |
1722 | |
1723 | /// Checks if the \p VD variable is marked as nontemporal declaration in |
1724 | /// current context. |
1725 | bool isNontemporalDecl(const ValueDecl *VD) const; |
1726 | |
1727 | /// Create specialized alloca to handle lastprivate conditionals. |
1728 | Address emitLastprivateConditionalInit(CodeGenFunction &CGF, |
1729 | const VarDecl *VD); |
1730 | |
1731 | /// Checks if the provided \p LVal is lastprivate conditional and emits the |
1732 | /// code to update the value of the original variable. |
1733 | /// \code |
1734 | /// lastprivate(conditional: a) |
1735 | /// ... |
1736 | /// <type> a; |
1737 | /// lp_a = ...; |
1738 | /// #pragma omp critical(a) |
1739 | /// if (last_iv_a <= iv) { |
1740 | /// last_iv_a = iv; |
1741 | /// global_a = lp_a; |
1742 | /// } |
1743 | /// \endcode |
1744 | virtual void checkAndEmitLastprivateConditional(CodeGenFunction &CGF, |
1745 | const Expr *LHS); |
1746 | |
1747 | /// Checks if the lastprivate conditional was updated in inner region and |
1748 | /// writes the value. |
1749 | /// \code |
1750 | /// lastprivate(conditional: a) |
1751 | /// ... |
1752 | /// <type> a;bool Fired = false; |
1753 | /// #pragma omp ... shared(a) |
1754 | /// { |
1755 | /// lp_a = ...; |
1756 | /// Fired = true; |
1757 | /// } |
1758 | /// if (Fired) { |
1759 | /// #pragma omp critical(a) |
1760 | /// if (last_iv_a <= iv) { |
1761 | /// last_iv_a = iv; |
1762 | /// global_a = lp_a; |
1763 | /// } |
1764 | /// Fired = false; |
1765 | /// } |
1766 | /// \endcode |
1767 | virtual void checkAndEmitSharedLastprivateConditional( |
1768 | CodeGenFunction &CGF, const OMPExecutableDirective &D, |
1769 | const llvm::DenseSet<CanonicalDeclPtr<const VarDecl>> &IgnoredDecls); |
1770 | |
1771 | /// Gets the address of the global copy used for lastprivate conditional |
1772 | /// update, if any. |
1773 | /// \param PrivLVal LValue for the private copy. |
1774 | /// \param VD Original lastprivate declaration. |
1775 | virtual void emitLastprivateConditionalFinalUpdate(CodeGenFunction &CGF, |
1776 | LValue PrivLVal, |
1777 | const VarDecl *VD, |
1778 | SourceLocation Loc); |
1779 | }; |
1780 | |
1781 | /// Class supports emissionof SIMD-only code. |
1782 | class CGOpenMPSIMDRuntime final : public CGOpenMPRuntime { |
1783 | public: |
1784 | explicit CGOpenMPSIMDRuntime(CodeGenModule &CGM) : CGOpenMPRuntime(CGM) {} |
1785 | ~CGOpenMPSIMDRuntime() override {} |
1786 | |
1787 | /// Emits outlined function for the specified OpenMP parallel directive |
1788 | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
1789 | /// kmp_int32 BoundID, struct context_vars*). |
1790 | /// \param D OpenMP directive. |
1791 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
1792 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
1793 | /// is a directive itself, for combined - its innermost directive). |
1794 | /// \param CodeGen Code generation sequence for the \a D directive. |
1795 | llvm::Function * |
1796 | emitParallelOutlinedFunction(const OMPExecutableDirective &D, |
1797 | const VarDecl *ThreadIDVar, |
1798 | OpenMPDirectiveKind InnermostKind, |
1799 | const RegionCodeGenTy &CodeGen) override; |
1800 | |
1801 | /// Emits outlined function for the specified OpenMP teams directive |
1802 | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
1803 | /// kmp_int32 BoundID, struct context_vars*). |
1804 | /// \param D OpenMP directive. |
1805 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
1806 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
1807 | /// is a directive itself, for combined - its innermost directive). |
1808 | /// \param CodeGen Code generation sequence for the \a D directive. |
1809 | llvm::Function * |
1810 | emitTeamsOutlinedFunction(const OMPExecutableDirective &D, |
1811 | const VarDecl *ThreadIDVar, |
1812 | OpenMPDirectiveKind InnermostKind, |
1813 | const RegionCodeGenTy &CodeGen) override; |
1814 | |
1815 | /// Emits outlined function for the OpenMP task directive \a D. This |
1816 | /// outlined function has type void(*)(kmp_int32 ThreadID, struct task_t* |
1817 | /// TaskT). |
1818 | /// \param D OpenMP directive. |
1819 | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
1820 | /// \param PartIDVar Variable for partition id in the current OpenMP untied |
1821 | /// task region. |
1822 | /// \param TaskTVar Variable for task_t argument. |
1823 | /// \param InnermostKind Kind of innermost directive (for simple directives it |
1824 | /// is a directive itself, for combined - its innermost directive). |
1825 | /// \param CodeGen Code generation sequence for the \a D directive. |
1826 | /// \param Tied true if task is generated for tied task, false otherwise. |
1827 | /// \param NumberOfParts Number of parts in untied task. Ignored for tied |
1828 | /// tasks. |
1829 | /// |
1830 | llvm::Function *emitTaskOutlinedFunction( |
1831 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, |
1832 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, |
1833 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, |
1834 | bool Tied, unsigned &NumberOfParts) override; |
1835 | |
1836 | /// Emits code for parallel or serial call of the \a OutlinedFn with |
1837 | /// variables captured in a record which address is stored in \a |
1838 | /// CapturedStruct. |
1839 | /// \param OutlinedFn Outlined function to be run in parallel threads. Type of |
1840 | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
1841 | /// \param CapturedVars A pointer to the record with the references to |
1842 | /// variables used in \a OutlinedFn function. |
1843 | /// \param IfCond Condition in the associated 'if' clause, if it was |
1844 | /// specified, nullptr otherwise. |
1845 | /// |
1846 | void emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, |
1847 | llvm::Function *OutlinedFn, |
1848 | ArrayRef<llvm::Value *> CapturedVars, |
1849 | const Expr *IfCond) override; |
1850 | |
1851 | /// Emits a critical region. |
1852 | /// \param CriticalName Name of the critical region. |
1853 | /// \param CriticalOpGen Generator for the statement associated with the given |
1854 | /// critical region. |
1855 | /// \param Hint Value of the 'hint' clause (optional). |
1856 | void emitCriticalRegion(CodeGenFunction &CGF, StringRef CriticalName, |
1857 | const RegionCodeGenTy &CriticalOpGen, |
1858 | SourceLocation Loc, |
1859 | const Expr *Hint = nullptr) override; |
1860 | |
1861 | /// Emits a master region. |
1862 | /// \param MasterOpGen Generator for the statement associated with the given |
1863 | /// master region. |
1864 | void emitMasterRegion(CodeGenFunction &CGF, |
1865 | const RegionCodeGenTy &MasterOpGen, |
1866 | SourceLocation Loc) override; |
1867 | |
1868 | /// Emits code for a taskyield directive. |
1869 | void emitTaskyieldCall(CodeGenFunction &CGF, SourceLocation Loc) override; |
1870 | |
1871 | /// Emit a taskgroup region. |
1872 | /// \param TaskgroupOpGen Generator for the statement associated with the |
1873 | /// given taskgroup region. |
1874 | void emitTaskgroupRegion(CodeGenFunction &CGF, |
1875 | const RegionCodeGenTy &TaskgroupOpGen, |
1876 | SourceLocation Loc) override; |
1877 | |
1878 | /// Emits a single region. |
1879 | /// \param SingleOpGen Generator for the statement associated with the given |
1880 | /// single region. |
1881 | void emitSingleRegion(CodeGenFunction &CGF, |
1882 | const RegionCodeGenTy &SingleOpGen, SourceLocation Loc, |
1883 | ArrayRef<const Expr *> CopyprivateVars, |
1884 | ArrayRef<const Expr *> DestExprs, |
1885 | ArrayRef<const Expr *> SrcExprs, |
1886 | ArrayRef<const Expr *> AssignmentOps) override; |
1887 | |
1888 | /// Emit an ordered region. |
1889 | /// \param OrderedOpGen Generator for the statement associated with the given |
1890 | /// ordered region. |
1891 | void emitOrderedRegion(CodeGenFunction &CGF, |
1892 | const RegionCodeGenTy &OrderedOpGen, |
1893 | SourceLocation Loc, bool IsThreads) override; |
1894 | |
1895 | /// Emit an implicit/explicit barrier for OpenMP threads. |
1896 | /// \param Kind Directive for which this implicit barrier call must be |
1897 | /// generated. Must be OMPD_barrier for explicit barrier generation. |
1898 | /// \param EmitChecks true if need to emit checks for cancellation barriers. |
1899 | /// \param ForceSimpleCall true simple barrier call must be emitted, false if |
1900 | /// runtime class decides which one to emit (simple or with cancellation |
1901 | /// checks). |
1902 | /// |
1903 | void emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, |
1904 | OpenMPDirectiveKind Kind, bool EmitChecks = true, |
1905 | bool ForceSimpleCall = false) override; |
1906 | |
1907 | /// This is used for non static scheduled types and when the ordered |
1908 | /// clause is present on the loop construct. |
1909 | /// Depending on the loop schedule, it is necessary to call some runtime |
1910 | /// routine before start of the OpenMP loop to get the loop upper / lower |
1911 | /// bounds \a LB and \a UB and stride \a ST. |
1912 | /// |
1913 | /// \param CGF Reference to current CodeGenFunction. |
1914 | /// \param Loc Clang source location. |
1915 | /// \param ScheduleKind Schedule kind, specified by the 'schedule' clause. |
1916 | /// \param IVSize Size of the iteration variable in bits. |
1917 | /// \param IVSigned Sign of the iteration variable. |
1918 | /// \param Ordered true if loop is ordered, false otherwise. |
1919 | /// \param DispatchValues struct containing llvm values for lower bound, upper |
1920 | /// bound, and chunk expression. |
1921 | /// For the default (nullptr) value, the chunk 1 will be used. |
1922 | /// |
1923 | void emitForDispatchInit(CodeGenFunction &CGF, SourceLocation Loc, |
1924 | const OpenMPScheduleTy &ScheduleKind, |
1925 | unsigned IVSize, bool IVSigned, bool Ordered, |
1926 | const DispatchRTInput &DispatchValues) override; |
1927 | |
1928 | /// Call the appropriate runtime routine to initialize it before start |
1929 | /// of loop. |
1930 | /// |
1931 | /// This is used only in case of static schedule, when the user did not |
1932 | /// specify a ordered clause on the loop construct. |
1933 | /// Depending on the loop schedule, it is necessary to call some runtime |
1934 | /// routine before start of the OpenMP loop to get the loop upper / lower |
1935 | /// bounds LB and UB and stride ST. |
1936 | /// |
1937 | /// \param CGF Reference to current CodeGenFunction. |
1938 | /// \param Loc Clang source location. |
1939 | /// \param DKind Kind of the directive. |
1940 | /// \param ScheduleKind Schedule kind, specified by the 'schedule' clause. |
1941 | /// \param Values Input arguments for the construct. |
1942 | /// |
1943 | void emitForStaticInit(CodeGenFunction &CGF, SourceLocation Loc, |
1944 | OpenMPDirectiveKind DKind, |
1945 | const OpenMPScheduleTy &ScheduleKind, |
1946 | const StaticRTInput &Values) override; |
1947 | |
1948 | /// |
1949 | /// \param CGF Reference to current CodeGenFunction. |
1950 | /// \param Loc Clang source location. |
1951 | /// \param SchedKind Schedule kind, specified by the 'dist_schedule' clause. |
1952 | /// \param Values Input arguments for the construct. |
1953 | /// |
1954 | void emitDistributeStaticInit(CodeGenFunction &CGF, SourceLocation Loc, |
1955 | OpenMPDistScheduleClauseKind SchedKind, |
1956 | const StaticRTInput &Values) override; |
1957 | |
1958 | /// Call the appropriate runtime routine to notify that we finished |
1959 | /// iteration of the ordered loop with the dynamic scheduling. |
1960 | /// |
1961 | /// \param CGF Reference to current CodeGenFunction. |
1962 | /// \param Loc Clang source location. |
1963 | /// \param IVSize Size of the iteration variable in bits. |
1964 | /// \param IVSigned Sign of the iteration variable. |
1965 | /// |
1966 | void emitForOrderedIterationEnd(CodeGenFunction &CGF, SourceLocation Loc, |
1967 | unsigned IVSize, bool IVSigned) override; |
1968 | |
1969 | /// Call the appropriate runtime routine to notify that we finished |
1970 | /// all the work with current loop. |
1971 | /// |
1972 | /// \param CGF Reference to current CodeGenFunction. |
1973 | /// \param Loc Clang source location. |
1974 | /// \param DKind Kind of the directive for which the static finish is emitted. |
1975 | /// |
1976 | void emitForStaticFinish(CodeGenFunction &CGF, SourceLocation Loc, |
1977 | OpenMPDirectiveKind DKind) override; |
1978 | |
1979 | /// Call __kmpc_dispatch_next( |
1980 | /// ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, |
1981 | /// kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, |
1982 | /// kmp_int[32|64] *p_stride); |
1983 | /// \param IVSize Size of the iteration variable in bits. |
1984 | /// \param IVSigned Sign of the iteration variable. |
1985 | /// \param IL Address of the output variable in which the flag of the |
1986 | /// last iteration is returned. |
1987 | /// \param LB Address of the output variable in which the lower iteration |
1988 | /// number is returned. |
1989 | /// \param UB Address of the output variable in which the upper iteration |
1990 | /// number is returned. |
1991 | /// \param ST Address of the output variable in which the stride value is |
1992 | /// returned. |
1993 | llvm::Value *emitForNext(CodeGenFunction &CGF, SourceLocation Loc, |
1994 | unsigned IVSize, bool IVSigned, Address IL, |
1995 | Address LB, Address UB, Address ST) override; |
1996 | |
1997 | /// Emits call to void __kmpc_push_num_threads(ident_t *loc, kmp_int32 |
1998 | /// global_tid, kmp_int32 num_threads) to generate code for 'num_threads' |
1999 | /// clause. |
2000 | /// \param NumThreads An integer value of threads. |
2001 | void emitNumThreadsClause(CodeGenFunction &CGF, llvm::Value *NumThreads, |
2002 | SourceLocation Loc) override; |
2003 | |
2004 | /// Emit call to void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 |
2005 | /// global_tid, int proc_bind) to generate code for 'proc_bind' clause. |
2006 | void emitProcBindClause(CodeGenFunction &CGF, |
2007 | llvm::omp::ProcBindKind ProcBind, |
2008 | SourceLocation Loc) override; |
2009 | |
2010 | /// Returns address of the threadprivate variable for the current |
2011 | /// thread. |
2012 | /// \param VD Threadprivate variable. |
2013 | /// \param VDAddr Address of the global variable \a VD. |
2014 | /// \param Loc Location of the reference to threadprivate var. |
2015 | /// \return Address of the threadprivate variable for the current thread. |
2016 | Address getAddrOfThreadPrivate(CodeGenFunction &CGF, const VarDecl *VD, |
2017 | Address VDAddr, SourceLocation Loc) override; |
2018 | |
2019 | /// Emit a code for initialization of threadprivate variable. It emits |
2020 | /// a call to runtime library which adds initial value to the newly created |
2021 | /// threadprivate variable (if it is not constant) and registers destructor |
2022 | /// for the variable (if any). |
2023 | /// \param VD Threadprivate variable. |
2024 | /// \param VDAddr Address of the global variable \a VD. |
2025 | /// \param Loc Location of threadprivate declaration. |
2026 | /// \param PerformInit true if initialization expression is not constant. |
2027 | llvm::Function * |
2028 | emitThreadPrivateVarDefinition(const VarDecl *VD, Address VDAddr, |
2029 | SourceLocation Loc, bool PerformInit, |
2030 | CodeGenFunction *CGF = nullptr) override; |
2031 | |
2032 | /// Creates artificial threadprivate variable with name \p Name and type \p |
2033 | /// VarType. |
2034 | /// \param VarType Type of the artificial threadprivate variable. |
2035 | /// \param Name Name of the artificial threadprivate variable. |
2036 | Address getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, |
2037 | QualType VarType, |
2038 | StringRef Name) override; |
2039 | |
2040 | /// Emit flush of the variables specified in 'omp flush' directive. |
2041 | /// \param Vars List of variables to flush. |
2042 | void emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *> Vars, |
2043 | SourceLocation Loc, llvm::AtomicOrdering AO) override; |
2044 | |
2045 | /// Emit task region for the task directive. The task region is |
2046 | /// emitted in several steps: |
2047 | /// 1. Emit a call to kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 |
2048 | /// gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, |
2049 | /// kmp_routine_entry_t *task_entry). Here task_entry is a pointer to the |
2050 | /// function: |
2051 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { |
2052 | /// TaskFunction(gtid, tt->part_id, tt->shareds); |
2053 | /// return 0; |
2054 | /// } |
2055 | /// 2. Copy a list of shared variables to field shareds of the resulting |
2056 | /// structure kmp_task_t returned by the previous call (if any). |
2057 | /// 3. Copy a pointer to destructions function to field destructions of the |
2058 | /// resulting structure kmp_task_t. |
2059 | /// 4. Emit a call to kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, |
2060 | /// kmp_task_t *new_task), where new_task is a resulting structure from |
2061 | /// previous items. |
2062 | /// \param D Current task directive. |
2063 | /// \param TaskFunction An LLVM function with type void (*)(i32 /*gtid*/, i32 |
2064 | /// /*part_id*/, captured_struct */*__context*/); |
2065 | /// \param SharedsTy A type which contains references the shared variables. |
2066 | /// \param Shareds Context with the list of shared variables from the \p |
2067 | /// TaskFunction. |
2068 | /// \param IfCond Not a nullptr if 'if' clause was specified, nullptr |
2069 | /// otherwise. |
2070 | /// \param Data Additional data for task generation like tiednsee, final |
2071 | /// state, list of privates etc. |
2072 | void emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, |
2073 | const OMPExecutableDirective &D, |
2074 | llvm::Function *TaskFunction, QualType SharedsTy, |
2075 | Address Shareds, const Expr *IfCond, |
2076 | const OMPTaskDataTy &Data) override; |
2077 | |
2078 | /// Emit task region for the taskloop directive. The taskloop region is |
2079 | /// emitted in several steps: |
2080 | /// 1. Emit a call to kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 |
2081 | /// gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, |
2082 | /// kmp_routine_entry_t *task_entry). Here task_entry is a pointer to the |
2083 | /// function: |
2084 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { |
2085 | /// TaskFunction(gtid, tt->part_id, tt->shareds); |
2086 | /// return 0; |
2087 | /// } |
2088 | /// 2. Copy a list of shared variables to field shareds of the resulting |
2089 | /// structure kmp_task_t returned by the previous call (if any). |
2090 | /// 3. Copy a pointer to destructions function to field destructions of the |
2091 | /// resulting structure kmp_task_t. |
2092 | /// 4. Emit a call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t |
2093 | /// *task, int if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int |
2094 | /// nogroup, int sched, kmp_uint64 grainsize, void *task_dup ), where new_task |
2095 | /// is a resulting structure from |
2096 | /// previous items. |
2097 | /// \param D Current task directive. |
2098 | /// \param TaskFunction An LLVM function with type void (*)(i32 /*gtid*/, i32 |
2099 | /// /*part_id*/, captured_struct */*__context*/); |
2100 | /// \param SharedsTy A type which contains references the shared variables. |
2101 | /// \param Shareds Context with the list of shared variables from the \p |
2102 | /// TaskFunction. |
2103 | /// \param IfCond Not a nullptr if 'if' clause was specified, nullptr |
2104 | /// otherwise. |
2105 | /// \param Data Additional data for task generation like tiednsee, final |
2106 | /// state, list of privates etc. |
2107 | void emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, |
2108 | const OMPLoopDirective &D, llvm::Function *TaskFunction, |
2109 | QualType SharedsTy, Address Shareds, const Expr *IfCond, |
2110 | const OMPTaskDataTy &Data) override; |
2111 | |
2112 | /// Emit a code for reduction clause. Next code should be emitted for |
2113 | /// reduction: |
2114 | /// \code |
2115 | /// |
2116 | /// static kmp_critical_name lock = { 0 }; |
2117 | /// |
2118 | /// void reduce_func(void *lhs[<n>], void *rhs[<n>]) { |
2119 | /// ... |
2120 | /// *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); |
2121 | /// ... |
2122 | /// } |
2123 | /// |
2124 | /// ... |
2125 | /// void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; |
2126 | /// switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), |
2127 | /// RedList, reduce_func, &<lock>)) { |
2128 | /// case 1: |
2129 | /// ... |
2130 | /// <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); |
2131 | /// ... |
2132 | /// __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); |
2133 | /// break; |
2134 | /// case 2: |
2135 | /// ... |
2136 | /// Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); |
2137 | /// ... |
2138 | /// break; |
2139 | /// default:; |
2140 | /// } |
2141 | /// \endcode |
2142 | /// |
2143 | /// \param Privates List of private copies for original reduction arguments. |
2144 | /// \param LHSExprs List of LHS in \a ReductionOps reduction operations. |
2145 | /// \param RHSExprs List of RHS in \a ReductionOps reduction operations. |
2146 | /// \param ReductionOps List of reduction operations in form 'LHS binop RHS' |
2147 | /// or 'operator binop(LHS, RHS)'. |
2148 | /// \param Options List of options for reduction codegen: |
2149 | /// WithNowait true if parent directive has also nowait clause, false |
2150 | /// otherwise. |
2151 | /// SimpleReduction Emit reduction operation only. Used for omp simd |
2152 | /// directive on the host. |
2153 | /// ReductionKind The kind of reduction to perform. |
2154 | void emitReduction(CodeGenFunction &CGF, SourceLocation Loc, |
2155 | ArrayRef<const Expr *> Privates, |
2156 | ArrayRef<const Expr *> LHSExprs, |
2157 | ArrayRef<const Expr *> RHSExprs, |
2158 | ArrayRef<const Expr *> ReductionOps, |
2159 | ReductionOptionsTy Options) override; |
2160 | |
2161 | /// Emit a code for initialization of task reduction clause. Next code |
2162 | /// should be emitted for reduction: |
2163 | /// \code |
2164 | /// |
2165 | /// _task_red_item_t red_data[n]; |
2166 | /// ... |
2167 | /// red_data[i].shar = &origs[i]; |
2168 | /// red_data[i].size = sizeof(origs[i]); |
2169 | /// red_data[i].f_init = (void*)RedInit<i>; |
2170 | /// red_data[i].f_fini = (void*)RedDest<i>; |
2171 | /// red_data[i].f_comb = (void*)RedOp<i>; |
2172 | /// red_data[i].flags = <Flag_i>; |
2173 | /// ... |
2174 | /// void* tg1 = __kmpc_task_reduction_init(gtid, n, red_data); |
2175 | /// \endcode |
2176 | /// |
2177 | /// \param LHSExprs List of LHS in \a Data.ReductionOps reduction operations. |
2178 | /// \param RHSExprs List of RHS in \a Data.ReductionOps reduction operations. |
2179 | /// \param Data Additional data for task generation like tiedness, final |
2180 | /// state, list of privates, reductions etc. |
2181 | llvm::Value *emitTaskReductionInit(CodeGenFunction &CGF, SourceLocation Loc, |
2182 | ArrayRef<const Expr *> LHSExprs, |
2183 | ArrayRef<const Expr *> RHSExprs, |
2184 | const OMPTaskDataTy &Data) override; |
2185 | |
2186 | /// Required to resolve existing problems in the runtime. Emits threadprivate |
2187 | /// variables to store the size of the VLAs/array sections for |
2188 | /// initializer/combiner/finalizer functions + emits threadprivate variable to |
2189 | /// store the pointer to the original reduction item for the custom |
2190 | /// initializer defined by declare reduction construct. |
2191 | /// \param RCG Allows to reuse an existing data for the reductions. |
2192 | /// \param N Reduction item for which fixups must be emitted. |
2193 | void emitTaskReductionFixups(CodeGenFunction &CGF, SourceLocation Loc, |
2194 | ReductionCodeGen &RCG, unsigned N) override; |
2195 | |
2196 | /// Get the address of `void *` type of the privatue copy of the reduction |
2197 | /// item specified by the \p SharedLVal. |
2198 | /// \param ReductionsPtr Pointer to the reduction data returned by the |
2199 | /// emitTaskReductionInit function. |
2200 | /// \param SharedLVal Address of the original reduction item. |
2201 | Address getTaskReductionItem(CodeGenFunction &CGF, SourceLocation Loc, |
2202 | llvm::Value *ReductionsPtr, |
2203 | LValue SharedLVal) override; |
2204 | |
2205 | /// Emit code for 'taskwait' directive. |
2206 | void emitTaskwaitCall(CodeGenFunction &CGF, SourceLocation Loc) override; |
2207 | |
2208 | /// Emit code for 'cancellation point' construct. |
2209 | /// \param CancelRegion Region kind for which the cancellation point must be |
2210 | /// emitted. |
2211 | /// |
2212 | void emitCancellationPointCall(CodeGenFunction &CGF, SourceLocation Loc, |
2213 | OpenMPDirectiveKind CancelRegion) override; |
2214 | |
2215 | /// Emit code for 'cancel' construct. |
2216 | /// \param IfCond Condition in the associated 'if' clause, if it was |
2217 | /// specified, nullptr otherwise. |
2218 | /// \param CancelRegion Region kind for which the cancel must be emitted. |
2219 | /// |
2220 | void emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, |
2221 | const Expr *IfCond, |
2222 | OpenMPDirectiveKind CancelRegion) override; |
2223 | |
2224 | /// Emit outilined function for 'target' directive. |
2225 | /// \param D Directive to emit. |
2226 | /// \param ParentName Name of the function that encloses the target region. |
2227 | /// \param OutlinedFn Outlined function value to be defined by this call. |
2228 | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
2229 | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
2230 | /// \param CodeGen Code generation sequence for the \a D directive. |
2231 | /// An outlined function may not be an entry if, e.g. the if clause always |
2232 | /// evaluates to false. |
2233 | void emitTargetOutlinedFunction(const OMPExecutableDirective &D, |
2234 | StringRef ParentName, |
2235 | llvm::Function *&OutlinedFn, |
2236 | llvm::Constant *&OutlinedFnID, |
2237 | bool IsOffloadEntry, |
2238 | const RegionCodeGenTy &CodeGen) override; |
2239 | |
2240 | /// Emit the target offloading code associated with \a D. The emitted |
2241 | /// code attempts offloading the execution to the device, an the event of |
2242 | /// a failure it executes the host version outlined in \a OutlinedFn. |
2243 | /// \param D Directive to emit. |
2244 | /// \param OutlinedFn Host version of the code to be offloaded. |
2245 | /// \param OutlinedFnID ID of host version of the code to be offloaded. |
2246 | /// \param IfCond Expression evaluated in if clause associated with the target |
2247 | /// directive, or null if no if clause is used. |
2248 | /// \param Device Expression evaluated in device clause associated with the |
2249 | /// target directive, or null if no device clause is used. |
2250 | void |
2251 | emitTargetCall(CodeGenFunction &CGF, const OMPExecutableDirective &D, |
2252 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, |
2253 | const Expr *IfCond, const Expr *Device, |
2254 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, |
2255 | const OMPLoopDirective &D)> |
2256 | SizeEmitter) override; |
2257 | |
2258 | /// Emit the target regions enclosed in \a GD function definition or |
2259 | /// the function itself in case it is a valid device function. Returns true if |
2260 | /// \a GD was dealt with successfully. |
2261 | /// \param GD Function to scan. |
2262 | bool emitTargetFunctions(GlobalDecl GD) override; |
2263 | |
2264 | /// Emit the global variable if it is a valid device global variable. |
2265 | /// Returns true if \a GD was dealt with successfully. |
2266 | /// \param GD Variable declaration to emit. |
2267 | bool emitTargetGlobalVariable(GlobalDecl GD) override; |
2268 | |
2269 | /// Emit the global \a GD if it is meaningful for the target. Returns |
2270 | /// if it was emitted successfully. |
2271 | /// \param GD Global to scan. |
2272 | bool emitTargetGlobal(GlobalDecl GD) override; |
2273 | |
2274 | /// Emits code for teams call of the \a OutlinedFn with |
2275 | /// variables captured in a record which address is stored in \a |
2276 | /// CapturedStruct. |
2277 | /// \param OutlinedFn Outlined function to be run by team masters. Type of |
2278 | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
2279 | /// \param CapturedVars A pointer to the record with the references to |
2280 | /// variables used in \a OutlinedFn function. |
2281 | /// |
2282 | void emitTeamsCall(CodeGenFunction &CGF, const OMPExecutableDirective &D, |
2283 | SourceLocation Loc, llvm::Function *OutlinedFn, |
2284 | ArrayRef<llvm::Value *> CapturedVars) override; |
2285 | |
2286 | /// Emits call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32 |
2287 | /// global_tid, kmp_int32 num_teams, kmp_int32 thread_limit) to generate code |
2288 | /// for num_teams clause. |
2289 | /// \param NumTeams An integer expression of teams. |
2290 | /// \param ThreadLimit An integer expression of threads. |
2291 | void emitNumTeamsClause(CodeGenFunction &CGF, const Expr *NumTeams, |
2292 | const Expr *ThreadLimit, SourceLocation Loc) override; |
2293 | |
2294 | /// Emit the target data mapping code associated with \a D. |
2295 | /// \param D Directive to emit. |
2296 | /// \param IfCond Expression evaluated in if clause associated with the |
2297 | /// target directive, or null if no device clause is used. |
2298 | /// \param Device Expression evaluated in device clause associated with the |
2299 | /// target directive, or null if no device clause is used. |
2300 | /// \param Info A record used to store information that needs to be preserved |
2301 | /// until the region is closed. |
2302 | void emitTargetDataCalls(CodeGenFunction &CGF, |
2303 | const OMPExecutableDirective &D, const Expr *IfCond, |
2304 | const Expr *Device, const RegionCodeGenTy &CodeGen, |
2305 | TargetDataInfo &Info) override; |
2306 | |
2307 | /// Emit the data mapping/movement code associated with the directive |
2308 | /// \a D that should be of the form 'target [{enter|exit} data | update]'. |
2309 | /// \param D Directive to emit. |
2310 | /// \param IfCond Expression evaluated in if clause associated with the target |
2311 | /// directive, or null if no if clause is used. |
2312 | /// \param Device Expression evaluated in device clause associated with the |
2313 | /// target directive, or null if no device clause is used. |
2314 | void emitTargetDataStandAloneCall(CodeGenFunction &CGF, |
2315 | const OMPExecutableDirective &D, |
2316 | const Expr *IfCond, |
2317 | const Expr *Device) override; |
2318 | |
2319 | /// Emit initialization for doacross loop nesting support. |
2320 | /// \param D Loop-based construct used in doacross nesting construct. |
2321 | void emitDoacrossInit(CodeGenFunction &CGF, const OMPLoopDirective &D, |
2322 | ArrayRef<Expr *> NumIterations) override; |
2323 | |
2324 | /// Emit code for doacross ordered directive with 'depend' clause. |
2325 | /// \param C 'depend' clause with 'sink|source' dependency kind. |
2326 | void emitDoacrossOrdered(CodeGenFunction &CGF, |
2327 | const OMPDependClause *C) override; |
2328 | |
2329 | /// Translates the native parameter of outlined function if this is required |
2330 | /// for target. |
2331 | /// \param FD Field decl from captured record for the parameter. |
2332 | /// \param NativeParam Parameter itself. |
2333 | const VarDecl *translateParameter(const FieldDecl *FD, |
2334 | const VarDecl *NativeParam) const override; |
2335 | |
2336 | /// Gets the address of the native argument basing on the address of the |
2337 | /// target-specific parameter. |
2338 | /// \param NativeParam Parameter itself. |
2339 | /// \param TargetParam Corresponding target-specific parameter. |
2340 | Address getParameterAddress(CodeGenFunction &CGF, const VarDecl *NativeParam, |
2341 | const VarDecl *TargetParam) const override; |
2342 | |
2343 | /// Gets the OpenMP-specific address of the local variable. |
2344 | Address getAddressOfLocalVariable(CodeGenFunction &CGF, |
2345 | const VarDecl *VD) override { |
2346 | return Address::invalid(); |
2347 | } |
2348 | }; |
2349 | |
2350 | } // namespace CodeGen |
2351 | } // namespace clang |
2352 | |
2353 | #endif |