File: | clang/lib/CodeGen/CGOpenMPRuntime.cpp |
Warning: | line 2938, column 20 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/Basic/SourceManager.h" | |||
26 | #include "clang/CodeGen/ConstantInitBuilder.h" | |||
27 | #include "llvm/ADT/ArrayRef.h" | |||
28 | #include "llvm/ADT/SetOperations.h" | |||
29 | #include "llvm/ADT/StringExtras.h" | |||
30 | #include "llvm/Bitcode/BitcodeReader.h" | |||
31 | #include "llvm/Frontend/OpenMP/OMPIRBuilder.h" | |||
32 | #include "llvm/IR/Constants.h" | |||
33 | #include "llvm/IR/DerivedTypes.h" | |||
34 | #include "llvm/IR/GlobalValue.h" | |||
35 | #include "llvm/IR/Value.h" | |||
36 | #include "llvm/Support/AtomicOrdering.h" | |||
37 | #include "llvm/Support/Format.h" | |||
38 | #include "llvm/Support/raw_ostream.h" | |||
39 | #include <cassert> | |||
40 | ||||
41 | using namespace clang; | |||
42 | using namespace CodeGen; | |||
43 | using namespace llvm::omp; | |||
44 | ||||
45 | namespace { | |||
46 | /// Base class for handling code generation inside OpenMP regions. | |||
47 | class CGOpenMPRegionInfo : public CodeGenFunction::CGCapturedStmtInfo { | |||
48 | public: | |||
49 | /// Kinds of OpenMP regions used in codegen. | |||
50 | enum CGOpenMPRegionKind { | |||
51 | /// Region with outlined function for standalone 'parallel' | |||
52 | /// directive. | |||
53 | ParallelOutlinedRegion, | |||
54 | /// Region with outlined function for standalone 'task' directive. | |||
55 | TaskOutlinedRegion, | |||
56 | /// Region for constructs that do not require function outlining, | |||
57 | /// like 'for', 'sections', 'atomic' etc. directives. | |||
58 | InlinedRegion, | |||
59 | /// Region with outlined function for standalone 'target' directive. | |||
60 | TargetRegion, | |||
61 | }; | |||
62 | ||||
63 | CGOpenMPRegionInfo(const CapturedStmt &CS, | |||
64 | const CGOpenMPRegionKind RegionKind, | |||
65 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | |||
66 | bool HasCancel) | |||
67 | : CGCapturedStmtInfo(CS, CR_OpenMP), RegionKind(RegionKind), | |||
68 | CodeGen(CodeGen), Kind(Kind), HasCancel(HasCancel) {} | |||
69 | ||||
70 | CGOpenMPRegionInfo(const CGOpenMPRegionKind RegionKind, | |||
71 | const RegionCodeGenTy &CodeGen, OpenMPDirectiveKind Kind, | |||
72 | bool HasCancel) | |||
73 | : CGCapturedStmtInfo(CR_OpenMP), RegionKind(RegionKind), CodeGen(CodeGen), | |||
74 | Kind(Kind), HasCancel(HasCancel) {} | |||
75 | ||||
76 | /// Get a variable or parameter for storing global thread id | |||
77 | /// inside OpenMP construct. | |||
78 | virtual const VarDecl *getThreadIDVariable() const = 0; | |||
79 | ||||
80 | /// Emit the captured statement body. | |||
81 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override; | |||
82 | ||||
83 | /// Get an LValue for the current ThreadID variable. | |||
84 | /// \return LValue for thread id variable. This LValue always has type int32*. | |||
85 | virtual LValue getThreadIDVariableLValue(CodeGenFunction &CGF); | |||
86 | ||||
87 | virtual void emitUntiedSwitch(CodeGenFunction & /*CGF*/) {} | |||
88 | ||||
89 | CGOpenMPRegionKind getRegionKind() const { return RegionKind; } | |||
90 | ||||
91 | OpenMPDirectiveKind getDirectiveKind() const { return Kind; } | |||
92 | ||||
93 | bool hasCancel() const { return HasCancel; } | |||
94 | ||||
95 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
96 | return Info->getKind() == CR_OpenMP; | |||
97 | } | |||
98 | ||||
99 | ~CGOpenMPRegionInfo() override = default; | |||
100 | ||||
101 | protected: | |||
102 | CGOpenMPRegionKind RegionKind; | |||
103 | RegionCodeGenTy CodeGen; | |||
104 | OpenMPDirectiveKind Kind; | |||
105 | bool HasCancel; | |||
106 | }; | |||
107 | ||||
108 | /// API for captured statement code generation in OpenMP constructs. | |||
109 | class CGOpenMPOutlinedRegionInfo final : public CGOpenMPRegionInfo { | |||
110 | public: | |||
111 | CGOpenMPOutlinedRegionInfo(const CapturedStmt &CS, const VarDecl *ThreadIDVar, | |||
112 | const RegionCodeGenTy &CodeGen, | |||
113 | OpenMPDirectiveKind Kind, bool HasCancel, | |||
114 | StringRef HelperName) | |||
115 | : CGOpenMPRegionInfo(CS, ParallelOutlinedRegion, CodeGen, Kind, | |||
116 | HasCancel), | |||
117 | ThreadIDVar(ThreadIDVar), HelperName(HelperName) { | |||
118 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 118, __PRETTY_FUNCTION__)); | |||
119 | } | |||
120 | ||||
121 | /// Get a variable or parameter for storing global thread id | |||
122 | /// inside OpenMP construct. | |||
123 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | |||
124 | ||||
125 | /// Get the name of the capture helper. | |||
126 | StringRef getHelperName() const override { return HelperName; } | |||
127 | ||||
128 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
129 | return CGOpenMPRegionInfo::classof(Info) && | |||
130 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | |||
131 | ParallelOutlinedRegion; | |||
132 | } | |||
133 | ||||
134 | private: | |||
135 | /// A variable or parameter storing global thread id for OpenMP | |||
136 | /// constructs. | |||
137 | const VarDecl *ThreadIDVar; | |||
138 | StringRef HelperName; | |||
139 | }; | |||
140 | ||||
141 | /// API for captured statement code generation in OpenMP constructs. | |||
142 | class CGOpenMPTaskOutlinedRegionInfo final : public CGOpenMPRegionInfo { | |||
143 | public: | |||
144 | class UntiedTaskActionTy final : public PrePostActionTy { | |||
145 | bool Untied; | |||
146 | const VarDecl *PartIDVar; | |||
147 | const RegionCodeGenTy UntiedCodeGen; | |||
148 | llvm::SwitchInst *UntiedSwitch = nullptr; | |||
149 | ||||
150 | public: | |||
151 | UntiedTaskActionTy(bool Tied, const VarDecl *PartIDVar, | |||
152 | const RegionCodeGenTy &UntiedCodeGen) | |||
153 | : Untied(!Tied), PartIDVar(PartIDVar), UntiedCodeGen(UntiedCodeGen) {} | |||
154 | void Enter(CodeGenFunction &CGF) override { | |||
155 | if (Untied) { | |||
156 | // Emit task switching point. | |||
157 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | |||
158 | CGF.GetAddrOfLocalVar(PartIDVar), | |||
159 | PartIDVar->getType()->castAs<PointerType>()); | |||
160 | llvm::Value *Res = | |||
161 | CGF.EmitLoadOfScalar(PartIdLVal, PartIDVar->getLocation()); | |||
162 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock(".untied.done."); | |||
163 | UntiedSwitch = CGF.Builder.CreateSwitch(Res, DoneBB); | |||
164 | CGF.EmitBlock(DoneBB); | |||
165 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | |||
166 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | |||
167 | UntiedSwitch->addCase(CGF.Builder.getInt32(0), | |||
168 | CGF.Builder.GetInsertBlock()); | |||
169 | emitUntiedSwitch(CGF); | |||
170 | } | |||
171 | } | |||
172 | void emitUntiedSwitch(CodeGenFunction &CGF) const { | |||
173 | if (Untied) { | |||
174 | LValue PartIdLVal = CGF.EmitLoadOfPointerLValue( | |||
175 | CGF.GetAddrOfLocalVar(PartIDVar), | |||
176 | PartIDVar->getType()->castAs<PointerType>()); | |||
177 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | |||
178 | PartIdLVal); | |||
179 | UntiedCodeGen(CGF); | |||
180 | CodeGenFunction::JumpDest CurPoint = | |||
181 | CGF.getJumpDestInCurrentScope(".untied.next."); | |||
182 | CGF.EmitBranchThroughCleanup(CGF.ReturnBlock); | |||
183 | CGF.EmitBlock(CGF.createBasicBlock(".untied.jmp.")); | |||
184 | UntiedSwitch->addCase(CGF.Builder.getInt32(UntiedSwitch->getNumCases()), | |||
185 | CGF.Builder.GetInsertBlock()); | |||
186 | CGF.EmitBranchThroughCleanup(CurPoint); | |||
187 | CGF.EmitBlock(CurPoint.getBlock()); | |||
188 | } | |||
189 | } | |||
190 | unsigned getNumberOfParts() const { return UntiedSwitch->getNumCases(); } | |||
191 | }; | |||
192 | CGOpenMPTaskOutlinedRegionInfo(const CapturedStmt &CS, | |||
193 | const VarDecl *ThreadIDVar, | |||
194 | const RegionCodeGenTy &CodeGen, | |||
195 | OpenMPDirectiveKind Kind, bool HasCancel, | |||
196 | const UntiedTaskActionTy &Action) | |||
197 | : CGOpenMPRegionInfo(CS, TaskOutlinedRegion, CodeGen, Kind, HasCancel), | |||
198 | ThreadIDVar(ThreadIDVar), Action(Action) { | |||
199 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 199, __PRETTY_FUNCTION__)); | |||
200 | } | |||
201 | ||||
202 | /// Get a variable or parameter for storing global thread id | |||
203 | /// inside OpenMP construct. | |||
204 | const VarDecl *getThreadIDVariable() const override { return ThreadIDVar; } | |||
205 | ||||
206 | /// Get an LValue for the current ThreadID variable. | |||
207 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override; | |||
208 | ||||
209 | /// Get the name of the capture helper. | |||
210 | StringRef getHelperName() const override { return ".omp_outlined."; } | |||
211 | ||||
212 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | |||
213 | Action.emitUntiedSwitch(CGF); | |||
214 | } | |||
215 | ||||
216 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
217 | return CGOpenMPRegionInfo::classof(Info) && | |||
218 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == | |||
219 | TaskOutlinedRegion; | |||
220 | } | |||
221 | ||||
222 | private: | |||
223 | /// A variable or parameter storing global thread id for OpenMP | |||
224 | /// constructs. | |||
225 | const VarDecl *ThreadIDVar; | |||
226 | /// Action for emitting code for untied tasks. | |||
227 | const UntiedTaskActionTy &Action; | |||
228 | }; | |||
229 | ||||
230 | /// API for inlined captured statement code generation in OpenMP | |||
231 | /// constructs. | |||
232 | class CGOpenMPInlinedRegionInfo : public CGOpenMPRegionInfo { | |||
233 | public: | |||
234 | CGOpenMPInlinedRegionInfo(CodeGenFunction::CGCapturedStmtInfo *OldCSI, | |||
235 | const RegionCodeGenTy &CodeGen, | |||
236 | OpenMPDirectiveKind Kind, bool HasCancel) | |||
237 | : CGOpenMPRegionInfo(InlinedRegion, CodeGen, Kind, HasCancel), | |||
238 | OldCSI(OldCSI), | |||
239 | OuterRegionInfo(dyn_cast_or_null<CGOpenMPRegionInfo>(OldCSI)) {} | |||
240 | ||||
241 | // Retrieve the value of the context parameter. | |||
242 | llvm::Value *getContextValue() const override { | |||
243 | if (OuterRegionInfo) | |||
244 | return OuterRegionInfo->getContextValue(); | |||
245 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 245); | |||
246 | } | |||
247 | ||||
248 | void setContextValue(llvm::Value *V) override { | |||
249 | if (OuterRegionInfo) { | |||
250 | OuterRegionInfo->setContextValue(V); | |||
251 | return; | |||
252 | } | |||
253 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 253); | |||
254 | } | |||
255 | ||||
256 | /// Lookup the captured field decl for a variable. | |||
257 | const FieldDecl *lookup(const VarDecl *VD) const override { | |||
258 | if (OuterRegionInfo) | |||
259 | return OuterRegionInfo->lookup(VD); | |||
260 | // If there is no outer outlined region,no need to lookup in a list of | |||
261 | // captured variables, we can use the original one. | |||
262 | return nullptr; | |||
263 | } | |||
264 | ||||
265 | FieldDecl *getThisFieldDecl() const override { | |||
266 | if (OuterRegionInfo) | |||
267 | return OuterRegionInfo->getThisFieldDecl(); | |||
268 | return nullptr; | |||
269 | } | |||
270 | ||||
271 | /// Get a variable or parameter for storing global thread id | |||
272 | /// inside OpenMP construct. | |||
273 | const VarDecl *getThreadIDVariable() const override { | |||
274 | if (OuterRegionInfo) | |||
275 | return OuterRegionInfo->getThreadIDVariable(); | |||
276 | return nullptr; | |||
277 | } | |||
278 | ||||
279 | /// Get an LValue for the current ThreadID variable. | |||
280 | LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override { | |||
281 | if (OuterRegionInfo) | |||
282 | return OuterRegionInfo->getThreadIDVariableLValue(CGF); | |||
283 | llvm_unreachable("No LValue for inlined OpenMP construct")::llvm::llvm_unreachable_internal("No LValue for inlined OpenMP construct" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 283); | |||
284 | } | |||
285 | ||||
286 | /// Get the name of the capture helper. | |||
287 | StringRef getHelperName() const override { | |||
288 | if (auto *OuterRegionInfo = getOldCSI()) | |||
289 | return OuterRegionInfo->getHelperName(); | |||
290 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 290); | |||
291 | } | |||
292 | ||||
293 | void emitUntiedSwitch(CodeGenFunction &CGF) override { | |||
294 | if (OuterRegionInfo) | |||
295 | OuterRegionInfo->emitUntiedSwitch(CGF); | |||
296 | } | |||
297 | ||||
298 | CodeGenFunction::CGCapturedStmtInfo *getOldCSI() const { return OldCSI; } | |||
299 | ||||
300 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
301 | return CGOpenMPRegionInfo::classof(Info) && | |||
302 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == InlinedRegion; | |||
303 | } | |||
304 | ||||
305 | ~CGOpenMPInlinedRegionInfo() override = default; | |||
306 | ||||
307 | private: | |||
308 | /// CodeGen info about outer OpenMP region. | |||
309 | CodeGenFunction::CGCapturedStmtInfo *OldCSI; | |||
310 | CGOpenMPRegionInfo *OuterRegionInfo; | |||
311 | }; | |||
312 | ||||
313 | /// API for captured statement code generation in OpenMP target | |||
314 | /// constructs. For this captures, implicit parameters are used instead of the | |||
315 | /// captured fields. The name of the target region has to be unique in a given | |||
316 | /// application so it is provided by the client, because only the client has | |||
317 | /// the information to generate that. | |||
318 | class CGOpenMPTargetRegionInfo final : public CGOpenMPRegionInfo { | |||
319 | public: | |||
320 | CGOpenMPTargetRegionInfo(const CapturedStmt &CS, | |||
321 | const RegionCodeGenTy &CodeGen, StringRef HelperName) | |||
322 | : CGOpenMPRegionInfo(CS, TargetRegion, CodeGen, OMPD_target, | |||
323 | /*HasCancel=*/false), | |||
324 | HelperName(HelperName) {} | |||
325 | ||||
326 | /// This is unused for target regions because each starts executing | |||
327 | /// with a single thread. | |||
328 | const VarDecl *getThreadIDVariable() const override { return nullptr; } | |||
329 | ||||
330 | /// Get the name of the capture helper. | |||
331 | StringRef getHelperName() const override { return HelperName; } | |||
332 | ||||
333 | static bool classof(const CGCapturedStmtInfo *Info) { | |||
334 | return CGOpenMPRegionInfo::classof(Info) && | |||
335 | cast<CGOpenMPRegionInfo>(Info)->getRegionKind() == TargetRegion; | |||
336 | } | |||
337 | ||||
338 | private: | |||
339 | StringRef HelperName; | |||
340 | }; | |||
341 | ||||
342 | static void EmptyCodeGen(CodeGenFunction &, PrePostActionTy &) { | |||
343 | llvm_unreachable("No codegen for expressions")::llvm::llvm_unreachable_internal("No codegen for expressions" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 343); | |||
344 | } | |||
345 | /// API for generation of expressions captured in a innermost OpenMP | |||
346 | /// region. | |||
347 | class CGOpenMPInnerExprInfo final : public CGOpenMPInlinedRegionInfo { | |||
348 | public: | |||
349 | CGOpenMPInnerExprInfo(CodeGenFunction &CGF, const CapturedStmt &CS) | |||
350 | : CGOpenMPInlinedRegionInfo(CGF.CapturedStmtInfo, EmptyCodeGen, | |||
351 | OMPD_unknown, | |||
352 | /*HasCancel=*/false), | |||
353 | PrivScope(CGF) { | |||
354 | // Make sure the globals captured in the provided statement are local by | |||
355 | // using the privatization logic. We assume the same variable is not | |||
356 | // captured more than once. | |||
357 | for (const auto &C : CS.captures()) { | |||
358 | if (!C.capturesVariable() && !C.capturesVariableByCopy()) | |||
359 | continue; | |||
360 | ||||
361 | const VarDecl *VD = C.getCapturedVar(); | |||
362 | if (VD->isLocalVarDeclOrParm()) | |||
363 | continue; | |||
364 | ||||
365 | DeclRefExpr DRE(CGF.getContext(), const_cast<VarDecl *>(VD), | |||
366 | /*RefersToEnclosingVariableOrCapture=*/false, | |||
367 | VD->getType().getNonReferenceType(), VK_LValue, | |||
368 | C.getLocation()); | |||
369 | PrivScope.addPrivate( | |||
370 | VD, [&CGF, &DRE]() { return CGF.EmitLValue(&DRE).getAddress(CGF); }); | |||
371 | } | |||
372 | (void)PrivScope.Privatize(); | |||
373 | } | |||
374 | ||||
375 | /// Lookup the captured field decl for a variable. | |||
376 | const FieldDecl *lookup(const VarDecl *VD) const override { | |||
377 | if (const FieldDecl *FD = CGOpenMPInlinedRegionInfo::lookup(VD)) | |||
378 | return FD; | |||
379 | return nullptr; | |||
380 | } | |||
381 | ||||
382 | /// Emit the captured statement body. | |||
383 | void EmitBody(CodeGenFunction &CGF, const Stmt *S) override { | |||
384 | llvm_unreachable("No body for expressions")::llvm::llvm_unreachable_internal("No body for expressions", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 384); | |||
385 | } | |||
386 | ||||
387 | /// Get a variable or parameter for storing global thread id | |||
388 | /// inside OpenMP construct. | |||
389 | const VarDecl *getThreadIDVariable() const override { | |||
390 | llvm_unreachable("No thread id for expressions")::llvm::llvm_unreachable_internal("No thread id for expressions" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 390); | |||
391 | } | |||
392 | ||||
393 | /// Get the name of the capture helper. | |||
394 | StringRef getHelperName() const override { | |||
395 | llvm_unreachable("No helper name for expressions")::llvm::llvm_unreachable_internal("No helper name for expressions" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 395); | |||
396 | } | |||
397 | ||||
398 | static bool classof(const CGCapturedStmtInfo *Info) { return false; } | |||
399 | ||||
400 | private: | |||
401 | /// Private scope to capture global variables. | |||
402 | CodeGenFunction::OMPPrivateScope PrivScope; | |||
403 | }; | |||
404 | ||||
405 | /// RAII for emitting code of OpenMP constructs. | |||
406 | class InlinedOpenMPRegionRAII { | |||
407 | CodeGenFunction &CGF; | |||
408 | llvm::DenseMap<const VarDecl *, FieldDecl *> LambdaCaptureFields; | |||
409 | FieldDecl *LambdaThisCaptureField = nullptr; | |||
410 | const CodeGen::CGBlockInfo *BlockInfo = nullptr; | |||
411 | ||||
412 | public: | |||
413 | /// Constructs region for combined constructs. | |||
414 | /// \param CodeGen Code generation sequence for combined directives. Includes | |||
415 | /// a list of functions used for code generation of implicitly inlined | |||
416 | /// regions. | |||
417 | InlinedOpenMPRegionRAII(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen, | |||
418 | OpenMPDirectiveKind Kind, bool HasCancel) | |||
419 | : CGF(CGF) { | |||
420 | // Start emission for the construct. | |||
421 | CGF.CapturedStmtInfo = new CGOpenMPInlinedRegionInfo( | |||
422 | CGF.CapturedStmtInfo, CodeGen, Kind, HasCancel); | |||
423 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | |||
424 | LambdaThisCaptureField = CGF.LambdaThisCaptureField; | |||
425 | CGF.LambdaThisCaptureField = nullptr; | |||
426 | BlockInfo = CGF.BlockInfo; | |||
427 | CGF.BlockInfo = nullptr; | |||
428 | } | |||
429 | ||||
430 | ~InlinedOpenMPRegionRAII() { | |||
431 | // Restore original CapturedStmtInfo only if we're done with code emission. | |||
432 | auto *OldCSI = | |||
433 | cast<CGOpenMPInlinedRegionInfo>(CGF.CapturedStmtInfo)->getOldCSI(); | |||
434 | delete CGF.CapturedStmtInfo; | |||
435 | CGF.CapturedStmtInfo = OldCSI; | |||
436 | std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields); | |||
437 | CGF.LambdaThisCaptureField = LambdaThisCaptureField; | |||
438 | CGF.BlockInfo = BlockInfo; | |||
439 | } | |||
440 | }; | |||
441 | ||||
442 | /// Values for bit flags used in the ident_t to describe the fields. | |||
443 | /// All enumeric elements are named and described in accordance with the code | |||
444 | /// from https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h | |||
445 | enum OpenMPLocationFlags : unsigned { | |||
446 | /// Use trampoline for internal microtask. | |||
447 | OMP_IDENT_IMD = 0x01, | |||
448 | /// Use c-style ident structure. | |||
449 | OMP_IDENT_KMPC = 0x02, | |||
450 | /// Atomic reduction option for kmpc_reduce. | |||
451 | OMP_ATOMIC_REDUCE = 0x10, | |||
452 | /// Explicit 'barrier' directive. | |||
453 | OMP_IDENT_BARRIER_EXPL = 0x20, | |||
454 | /// Implicit barrier in code. | |||
455 | OMP_IDENT_BARRIER_IMPL = 0x40, | |||
456 | /// Implicit barrier in 'for' directive. | |||
457 | OMP_IDENT_BARRIER_IMPL_FOR = 0x40, | |||
458 | /// Implicit barrier in 'sections' directive. | |||
459 | OMP_IDENT_BARRIER_IMPL_SECTIONS = 0xC0, | |||
460 | /// Implicit barrier in 'single' directive. | |||
461 | OMP_IDENT_BARRIER_IMPL_SINGLE = 0x140, | |||
462 | /// Call of __kmp_for_static_init for static loop. | |||
463 | OMP_IDENT_WORK_LOOP = 0x200, | |||
464 | /// Call of __kmp_for_static_init for sections. | |||
465 | OMP_IDENT_WORK_SECTIONS = 0x400, | |||
466 | /// Call of __kmp_for_static_init for distribute. | |||
467 | OMP_IDENT_WORK_DISTRIBUTE = 0x800, | |||
468 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_IDENT_WORK_DISTRIBUTE)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_IDENT_WORK_DISTRIBUTE | |||
469 | }; | |||
470 | ||||
471 | namespace { | |||
472 | 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^=; | |||
473 | /// Values for bit flags for marking which requires clauses have been used. | |||
474 | enum OpenMPOffloadingRequiresDirFlags : int64_t { | |||
475 | /// flag undefined. | |||
476 | OMP_REQ_UNDEFINED = 0x000, | |||
477 | /// no requires clause present. | |||
478 | OMP_REQ_NONE = 0x001, | |||
479 | /// reverse_offload clause. | |||
480 | OMP_REQ_REVERSE_OFFLOAD = 0x002, | |||
481 | /// unified_address clause. | |||
482 | OMP_REQ_UNIFIED_ADDRESS = 0x004, | |||
483 | /// unified_shared_memory clause. | |||
484 | OMP_REQ_UNIFIED_SHARED_MEMORY = 0x008, | |||
485 | /// dynamic_allocators clause. | |||
486 | OMP_REQ_DYNAMIC_ALLOCATORS = 0x010, | |||
487 | LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/OMP_REQ_DYNAMIC_ALLOCATORS)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_REQ_DYNAMIC_ALLOCATORS | |||
488 | }; | |||
489 | ||||
490 | enum OpenMPOffloadingReservedDeviceIDs { | |||
491 | /// Device ID if the device was not defined, runtime should get it | |||
492 | /// from environment variables in the spec. | |||
493 | OMP_DEVICEID_UNDEF = -1, | |||
494 | }; | |||
495 | } // anonymous namespace | |||
496 | ||||
497 | /// Describes ident structure that describes a source location. | |||
498 | /// All descriptions are taken from | |||
499 | /// https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h | |||
500 | /// Original structure: | |||
501 | /// typedef struct ident { | |||
502 | /// kmp_int32 reserved_1; /**< might be used in Fortran; | |||
503 | /// see above */ | |||
504 | /// kmp_int32 flags; /**< also f.flags; KMP_IDENT_xxx flags; | |||
505 | /// KMP_IDENT_KMPC identifies this union | |||
506 | /// member */ | |||
507 | /// kmp_int32 reserved_2; /**< not really used in Fortran any more; | |||
508 | /// see above */ | |||
509 | ///#if USE_ITT_BUILD | |||
510 | /// /* but currently used for storing | |||
511 | /// region-specific ITT */ | |||
512 | /// /* contextual information. */ | |||
513 | ///#endif /* USE_ITT_BUILD */ | |||
514 | /// kmp_int32 reserved_3; /**< source[4] in Fortran, do not use for | |||
515 | /// C++ */ | |||
516 | /// char const *psource; /**< String describing the source location. | |||
517 | /// The string is composed of semi-colon separated | |||
518 | // fields which describe the source file, | |||
519 | /// the function and a pair of line numbers that | |||
520 | /// delimit the construct. | |||
521 | /// */ | |||
522 | /// } ident_t; | |||
523 | enum IdentFieldIndex { | |||
524 | /// might be used in Fortran | |||
525 | IdentField_Reserved_1, | |||
526 | /// OMP_IDENT_xxx flags; OMP_IDENT_KMPC identifies this union member. | |||
527 | IdentField_Flags, | |||
528 | /// Not really used in Fortran any more | |||
529 | IdentField_Reserved_2, | |||
530 | /// Source[4] in Fortran, do not use for C++ | |||
531 | IdentField_Reserved_3, | |||
532 | /// String describing the source location. The string is composed of | |||
533 | /// semi-colon separated fields which describe the source file, the function | |||
534 | /// and a pair of line numbers that delimit the construct. | |||
535 | IdentField_PSource | |||
536 | }; | |||
537 | ||||
538 | /// Schedule types for 'omp for' loops (these enumerators are taken from | |||
539 | /// the enum sched_type in kmp.h). | |||
540 | enum OpenMPSchedType { | |||
541 | /// Lower bound for default (unordered) versions. | |||
542 | OMP_sch_lower = 32, | |||
543 | OMP_sch_static_chunked = 33, | |||
544 | OMP_sch_static = 34, | |||
545 | OMP_sch_dynamic_chunked = 35, | |||
546 | OMP_sch_guided_chunked = 36, | |||
547 | OMP_sch_runtime = 37, | |||
548 | OMP_sch_auto = 38, | |||
549 | /// static with chunk adjustment (e.g., simd) | |||
550 | OMP_sch_static_balanced_chunked = 45, | |||
551 | /// Lower bound for 'ordered' versions. | |||
552 | OMP_ord_lower = 64, | |||
553 | OMP_ord_static_chunked = 65, | |||
554 | OMP_ord_static = 66, | |||
555 | OMP_ord_dynamic_chunked = 67, | |||
556 | OMP_ord_guided_chunked = 68, | |||
557 | OMP_ord_runtime = 69, | |||
558 | OMP_ord_auto = 70, | |||
559 | OMP_sch_default = OMP_sch_static, | |||
560 | /// dist_schedule types | |||
561 | OMP_dist_sch_static_chunked = 91, | |||
562 | OMP_dist_sch_static = 92, | |||
563 | /// Support for OpenMP 4.5 monotonic and nonmonotonic schedule modifiers. | |||
564 | /// Set if the monotonic schedule modifier was present. | |||
565 | OMP_sch_modifier_monotonic = (1 << 29), | |||
566 | /// Set if the nonmonotonic schedule modifier was present. | |||
567 | OMP_sch_modifier_nonmonotonic = (1 << 30), | |||
568 | }; | |||
569 | ||||
570 | enum OpenMPRTLFunction { | |||
571 | /// Call to void __kmpc_fork_call(ident_t *loc, kmp_int32 argc, | |||
572 | /// kmpc_micro microtask, ...); | |||
573 | OMPRTL__kmpc_fork_call, | |||
574 | /// Call to void *__kmpc_threadprivate_cached(ident_t *loc, | |||
575 | /// kmp_int32 global_tid, void *data, size_t size, void ***cache); | |||
576 | OMPRTL__kmpc_threadprivate_cached, | |||
577 | /// Call to void __kmpc_threadprivate_register( ident_t *, | |||
578 | /// void *data, kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor); | |||
579 | OMPRTL__kmpc_threadprivate_register, | |||
580 | // Call to __kmpc_int32 kmpc_global_thread_num(ident_t *loc); | |||
581 | OMPRTL__kmpc_global_thread_num, | |||
582 | // Call to void __kmpc_critical(ident_t *loc, kmp_int32 global_tid, | |||
583 | // kmp_critical_name *crit); | |||
584 | OMPRTL__kmpc_critical, | |||
585 | // Call to void __kmpc_critical_with_hint(ident_t *loc, kmp_int32 | |||
586 | // global_tid, kmp_critical_name *crit, uintptr_t hint); | |||
587 | OMPRTL__kmpc_critical_with_hint, | |||
588 | // Call to void __kmpc_end_critical(ident_t *loc, kmp_int32 global_tid, | |||
589 | // kmp_critical_name *crit); | |||
590 | OMPRTL__kmpc_end_critical, | |||
591 | // Call to kmp_int32 __kmpc_cancel_barrier(ident_t *loc, kmp_int32 | |||
592 | // global_tid); | |||
593 | OMPRTL__kmpc_cancel_barrier, | |||
594 | // Call to void __kmpc_barrier(ident_t *loc, kmp_int32 global_tid); | |||
595 | OMPRTL__kmpc_barrier, | |||
596 | // Call to void __kmpc_for_static_fini(ident_t *loc, kmp_int32 global_tid); | |||
597 | OMPRTL__kmpc_for_static_fini, | |||
598 | // Call to void __kmpc_serialized_parallel(ident_t *loc, kmp_int32 | |||
599 | // global_tid); | |||
600 | OMPRTL__kmpc_serialized_parallel, | |||
601 | // Call to void __kmpc_end_serialized_parallel(ident_t *loc, kmp_int32 | |||
602 | // global_tid); | |||
603 | OMPRTL__kmpc_end_serialized_parallel, | |||
604 | // Call to void __kmpc_push_num_threads(ident_t *loc, kmp_int32 global_tid, | |||
605 | // kmp_int32 num_threads); | |||
606 | OMPRTL__kmpc_push_num_threads, | |||
607 | // Call to void __kmpc_flush(ident_t *loc); | |||
608 | OMPRTL__kmpc_flush, | |||
609 | // Call to kmp_int32 __kmpc_master(ident_t *, kmp_int32 global_tid); | |||
610 | OMPRTL__kmpc_master, | |||
611 | // Call to void __kmpc_end_master(ident_t *, kmp_int32 global_tid); | |||
612 | OMPRTL__kmpc_end_master, | |||
613 | // Call to kmp_int32 __kmpc_omp_taskyield(ident_t *, kmp_int32 global_tid, | |||
614 | // int end_part); | |||
615 | OMPRTL__kmpc_omp_taskyield, | |||
616 | // Call to kmp_int32 __kmpc_single(ident_t *, kmp_int32 global_tid); | |||
617 | OMPRTL__kmpc_single, | |||
618 | // Call to void __kmpc_end_single(ident_t *, kmp_int32 global_tid); | |||
619 | OMPRTL__kmpc_end_single, | |||
620 | // Call to kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | |||
621 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | |||
622 | // kmp_routine_entry_t *task_entry); | |||
623 | OMPRTL__kmpc_omp_task_alloc, | |||
624 | // Call to kmp_task_t * __kmpc_omp_target_task_alloc(ident_t *, | |||
625 | // kmp_int32 gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, | |||
626 | // size_t sizeof_shareds, kmp_routine_entry_t *task_entry, | |||
627 | // kmp_int64 device_id); | |||
628 | OMPRTL__kmpc_omp_target_task_alloc, | |||
629 | // Call to kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t * | |||
630 | // new_task); | |||
631 | OMPRTL__kmpc_omp_task, | |||
632 | // Call to void __kmpc_copyprivate(ident_t *loc, kmp_int32 global_tid, | |||
633 | // size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), | |||
634 | // kmp_int32 didit); | |||
635 | OMPRTL__kmpc_copyprivate, | |||
636 | // Call to kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, | |||
637 | // kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void | |||
638 | // (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck); | |||
639 | OMPRTL__kmpc_reduce, | |||
640 | // Call to kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 | |||
641 | // global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, | |||
642 | // void (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name | |||
643 | // *lck); | |||
644 | OMPRTL__kmpc_reduce_nowait, | |||
645 | // Call to void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, | |||
646 | // kmp_critical_name *lck); | |||
647 | OMPRTL__kmpc_end_reduce, | |||
648 | // Call to void __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, | |||
649 | // kmp_critical_name *lck); | |||
650 | OMPRTL__kmpc_end_reduce_nowait, | |||
651 | // Call to void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | |||
652 | // kmp_task_t * new_task); | |||
653 | OMPRTL__kmpc_omp_task_begin_if0, | |||
654 | // Call to void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | |||
655 | // kmp_task_t * new_task); | |||
656 | OMPRTL__kmpc_omp_task_complete_if0, | |||
657 | // Call to void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid); | |||
658 | OMPRTL__kmpc_ordered, | |||
659 | // Call to void __kmpc_end_ordered(ident_t *loc, kmp_int32 global_tid); | |||
660 | OMPRTL__kmpc_end_ordered, | |||
661 | // Call to kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | |||
662 | // global_tid); | |||
663 | OMPRTL__kmpc_omp_taskwait, | |||
664 | // Call to void __kmpc_taskgroup(ident_t *loc, kmp_int32 global_tid); | |||
665 | OMPRTL__kmpc_taskgroup, | |||
666 | // Call to void __kmpc_end_taskgroup(ident_t *loc, kmp_int32 global_tid); | |||
667 | OMPRTL__kmpc_end_taskgroup, | |||
668 | // Call to void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 global_tid, | |||
669 | // int proc_bind); | |||
670 | OMPRTL__kmpc_push_proc_bind, | |||
671 | // Call to kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 | |||
672 | // gtid, kmp_task_t * new_task, kmp_int32 ndeps, kmp_depend_info_t | |||
673 | // *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | |||
674 | OMPRTL__kmpc_omp_task_with_deps, | |||
675 | // Call to void __kmpc_omp_wait_deps(ident_t *loc_ref, kmp_int32 | |||
676 | // gtid, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | |||
677 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | |||
678 | OMPRTL__kmpc_omp_wait_deps, | |||
679 | // Call to kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | |||
680 | // global_tid, kmp_int32 cncl_kind); | |||
681 | OMPRTL__kmpc_cancellationpoint, | |||
682 | // Call to kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | |||
683 | // kmp_int32 cncl_kind); | |||
684 | OMPRTL__kmpc_cancel, | |||
685 | // Call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32 global_tid, | |||
686 | // kmp_int32 num_teams, kmp_int32 thread_limit); | |||
687 | OMPRTL__kmpc_push_num_teams, | |||
688 | // Call to void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro | |||
689 | // microtask, ...); | |||
690 | OMPRTL__kmpc_fork_teams, | |||
691 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | |||
692 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | |||
693 | // sched, kmp_uint64 grainsize, void *task_dup); | |||
694 | OMPRTL__kmpc_taskloop, | |||
695 | // Call to void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, kmp_int32 | |||
696 | // num_dims, struct kmp_dim *dims); | |||
697 | OMPRTL__kmpc_doacross_init, | |||
698 | // Call to void __kmpc_doacross_fini(ident_t *loc, kmp_int32 gtid); | |||
699 | OMPRTL__kmpc_doacross_fini, | |||
700 | // Call to void __kmpc_doacross_post(ident_t *loc, kmp_int32 gtid, kmp_int64 | |||
701 | // *vec); | |||
702 | OMPRTL__kmpc_doacross_post, | |||
703 | // Call to void __kmpc_doacross_wait(ident_t *loc, kmp_int32 gtid, kmp_int64 | |||
704 | // *vec); | |||
705 | OMPRTL__kmpc_doacross_wait, | |||
706 | // Call to void *__kmpc_task_reduction_init(int gtid, int num_data, void | |||
707 | // *data); | |||
708 | OMPRTL__kmpc_task_reduction_init, | |||
709 | // Call to void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | |||
710 | // *d); | |||
711 | OMPRTL__kmpc_task_reduction_get_th_data, | |||
712 | // Call to void *__kmpc_alloc(int gtid, size_t sz, omp_allocator_handle_t al); | |||
713 | OMPRTL__kmpc_alloc, | |||
714 | // Call to void __kmpc_free(int gtid, void *ptr, omp_allocator_handle_t al); | |||
715 | OMPRTL__kmpc_free, | |||
716 | ||||
717 | // | |||
718 | // Offloading related calls | |||
719 | // | |||
720 | // Call to void __kmpc_push_target_tripcount(int64_t device_id, kmp_uint64 | |||
721 | // size); | |||
722 | OMPRTL__kmpc_push_target_tripcount, | |||
723 | // Call to int32_t __tgt_target(int64_t device_id, void *host_ptr, int32_t | |||
724 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
725 | // *arg_types); | |||
726 | OMPRTL__tgt_target, | |||
727 | // Call to int32_t __tgt_target_nowait(int64_t device_id, void *host_ptr, | |||
728 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
729 | // *arg_types); | |||
730 | OMPRTL__tgt_target_nowait, | |||
731 | // Call to int32_t __tgt_target_teams(int64_t device_id, void *host_ptr, | |||
732 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
733 | // *arg_types, int32_t num_teams, int32_t thread_limit); | |||
734 | OMPRTL__tgt_target_teams, | |||
735 | // Call to int32_t __tgt_target_teams_nowait(int64_t device_id, void | |||
736 | // *host_ptr, int32_t arg_num, void** args_base, void **args, int64_t | |||
737 | // *arg_sizes, int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | |||
738 | OMPRTL__tgt_target_teams_nowait, | |||
739 | // Call to void __tgt_register_requires(int64_t flags); | |||
740 | OMPRTL__tgt_register_requires, | |||
741 | // Call to void __tgt_target_data_begin(int64_t device_id, int32_t arg_num, | |||
742 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | |||
743 | OMPRTL__tgt_target_data_begin, | |||
744 | // Call to void __tgt_target_data_begin_nowait(int64_t device_id, int32_t | |||
745 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
746 | // *arg_types); | |||
747 | OMPRTL__tgt_target_data_begin_nowait, | |||
748 | // Call to void __tgt_target_data_end(int64_t device_id, int32_t arg_num, | |||
749 | // void** args_base, void **args, size_t *arg_sizes, int64_t *arg_types); | |||
750 | OMPRTL__tgt_target_data_end, | |||
751 | // Call to void __tgt_target_data_end_nowait(int64_t device_id, int32_t | |||
752 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
753 | // *arg_types); | |||
754 | OMPRTL__tgt_target_data_end_nowait, | |||
755 | // Call to void __tgt_target_data_update(int64_t device_id, int32_t arg_num, | |||
756 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | |||
757 | OMPRTL__tgt_target_data_update, | |||
758 | // Call to void __tgt_target_data_update_nowait(int64_t device_id, int32_t | |||
759 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
760 | // *arg_types); | |||
761 | OMPRTL__tgt_target_data_update_nowait, | |||
762 | // Call to int64_t __tgt_mapper_num_components(void *rt_mapper_handle); | |||
763 | OMPRTL__tgt_mapper_num_components, | |||
764 | // Call to void __tgt_push_mapper_component(void *rt_mapper_handle, void | |||
765 | // *base, void *begin, int64_t size, int64_t type); | |||
766 | OMPRTL__tgt_push_mapper_component, | |||
767 | }; | |||
768 | ||||
769 | /// A basic class for pre|post-action for advanced codegen sequence for OpenMP | |||
770 | /// region. | |||
771 | class CleanupTy final : public EHScopeStack::Cleanup { | |||
772 | PrePostActionTy *Action; | |||
773 | ||||
774 | public: | |||
775 | explicit CleanupTy(PrePostActionTy *Action) : Action(Action) {} | |||
776 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
777 | if (!CGF.HaveInsertPoint()) | |||
778 | return; | |||
779 | Action->Exit(CGF); | |||
780 | } | |||
781 | }; | |||
782 | ||||
783 | } // anonymous namespace | |||
784 | ||||
785 | void RegionCodeGenTy::operator()(CodeGenFunction &CGF) const { | |||
786 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
787 | if (PrePostAction) { | |||
788 | CGF.EHStack.pushCleanup<CleanupTy>(NormalAndEHCleanup, PrePostAction); | |||
789 | Callback(CodeGen, CGF, *PrePostAction); | |||
790 | } else { | |||
791 | PrePostActionTy Action; | |||
792 | Callback(CodeGen, CGF, Action); | |||
793 | } | |||
794 | } | |||
795 | ||||
796 | /// Check if the combiner is a call to UDR combiner and if it is so return the | |||
797 | /// UDR decl used for reduction. | |||
798 | static const OMPDeclareReductionDecl * | |||
799 | getReductionInit(const Expr *ReductionOp) { | |||
800 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | |||
801 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | |||
802 | if (const auto *DRE = | |||
803 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | |||
804 | if (const auto *DRD = dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) | |||
805 | return DRD; | |||
806 | return nullptr; | |||
807 | } | |||
808 | ||||
809 | static void emitInitWithReductionInitializer(CodeGenFunction &CGF, | |||
810 | const OMPDeclareReductionDecl *DRD, | |||
811 | const Expr *InitOp, | |||
812 | Address Private, Address Original, | |||
813 | QualType Ty) { | |||
814 | if (DRD->getInitializer()) { | |||
815 | std::pair<llvm::Function *, llvm::Function *> Reduction = | |||
816 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | |||
817 | const auto *CE = cast<CallExpr>(InitOp); | |||
818 | const auto *OVE = cast<OpaqueValueExpr>(CE->getCallee()); | |||
819 | const Expr *LHS = CE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
820 | const Expr *RHS = CE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | |||
821 | const auto *LHSDRE = | |||
822 | cast<DeclRefExpr>(cast<UnaryOperator>(LHS)->getSubExpr()); | |||
823 | const auto *RHSDRE = | |||
824 | cast<DeclRefExpr>(cast<UnaryOperator>(RHS)->getSubExpr()); | |||
825 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
826 | PrivateScope.addPrivate(cast<VarDecl>(LHSDRE->getDecl()), | |||
827 | [=]() { return Private; }); | |||
828 | PrivateScope.addPrivate(cast<VarDecl>(RHSDRE->getDecl()), | |||
829 | [=]() { return Original; }); | |||
830 | (void)PrivateScope.Privatize(); | |||
831 | RValue Func = RValue::get(Reduction.second); | |||
832 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | |||
833 | CGF.EmitIgnoredExpr(InitOp); | |||
834 | } else { | |||
835 | llvm::Constant *Init = CGF.CGM.EmitNullConstant(Ty); | |||
836 | std::string Name = CGF.CGM.getOpenMPRuntime().getName({"init"}); | |||
837 | auto *GV = new llvm::GlobalVariable( | |||
838 | CGF.CGM.getModule(), Init->getType(), /*isConstant=*/true, | |||
839 | llvm::GlobalValue::PrivateLinkage, Init, Name); | |||
840 | LValue LV = CGF.MakeNaturalAlignAddrLValue(GV, Ty); | |||
841 | RValue InitRVal; | |||
842 | switch (CGF.getEvaluationKind(Ty)) { | |||
843 | case TEK_Scalar: | |||
844 | InitRVal = CGF.EmitLoadOfLValue(LV, DRD->getLocation()); | |||
845 | break; | |||
846 | case TEK_Complex: | |||
847 | InitRVal = | |||
848 | RValue::getComplex(CGF.EmitLoadOfComplex(LV, DRD->getLocation())); | |||
849 | break; | |||
850 | case TEK_Aggregate: | |||
851 | InitRVal = RValue::getAggregate(LV.getAddress(CGF)); | |||
852 | break; | |||
853 | } | |||
854 | OpaqueValueExpr OVE(DRD->getLocation(), Ty, VK_RValue); | |||
855 | CodeGenFunction::OpaqueValueMapping OpaqueMap(CGF, &OVE, InitRVal); | |||
856 | CGF.EmitAnyExprToMem(&OVE, Private, Ty.getQualifiers(), | |||
857 | /*IsInitializer=*/false); | |||
858 | } | |||
859 | } | |||
860 | ||||
861 | /// Emit initialization of arrays of complex types. | |||
862 | /// \param DestAddr Address of the array. | |||
863 | /// \param Type Type of array. | |||
864 | /// \param Init Initial expression of array. | |||
865 | /// \param SrcAddr Address of the original array. | |||
866 | static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr, | |||
867 | QualType Type, bool EmitDeclareReductionInit, | |||
868 | const Expr *Init, | |||
869 | const OMPDeclareReductionDecl *DRD, | |||
870 | Address SrcAddr = Address::invalid()) { | |||
871 | // Perform element-by-element initialization. | |||
872 | QualType ElementTy; | |||
873 | ||||
874 | // Drill down to the base element type on both arrays. | |||
875 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | |||
876 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, DestAddr); | |||
877 | DestAddr = | |||
878 | CGF.Builder.CreateElementBitCast(DestAddr, DestAddr.getElementType()); | |||
879 | if (DRD) | |||
880 | SrcAddr = | |||
881 | CGF.Builder.CreateElementBitCast(SrcAddr, DestAddr.getElementType()); | |||
882 | ||||
883 | llvm::Value *SrcBegin = nullptr; | |||
884 | if (DRD) | |||
885 | SrcBegin = SrcAddr.getPointer(); | |||
886 | llvm::Value *DestBegin = DestAddr.getPointer(); | |||
887 | // Cast from pointer to array type to pointer to single element. | |||
888 | llvm::Value *DestEnd = CGF.Builder.CreateGEP(DestBegin, NumElements); | |||
889 | // The basic structure here is a while-do loop. | |||
890 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arrayinit.body"); | |||
891 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arrayinit.done"); | |||
892 | llvm::Value *IsEmpty = | |||
893 | CGF.Builder.CreateICmpEQ(DestBegin, DestEnd, "omp.arrayinit.isempty"); | |||
894 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
895 | ||||
896 | // Enter the loop body, making that address the current address. | |||
897 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
898 | CGF.EmitBlock(BodyBB); | |||
899 | ||||
900 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | |||
901 | ||||
902 | llvm::PHINode *SrcElementPHI = nullptr; | |||
903 | Address SrcElementCurrent = Address::invalid(); | |||
904 | if (DRD) { | |||
905 | SrcElementPHI = CGF.Builder.CreatePHI(SrcBegin->getType(), 2, | |||
906 | "omp.arraycpy.srcElementPast"); | |||
907 | SrcElementPHI->addIncoming(SrcBegin, EntryBB); | |||
908 | SrcElementCurrent = | |||
909 | Address(SrcElementPHI, | |||
910 | SrcAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
911 | } | |||
912 | llvm::PHINode *DestElementPHI = CGF.Builder.CreatePHI( | |||
913 | DestBegin->getType(), 2, "omp.arraycpy.destElementPast"); | |||
914 | DestElementPHI->addIncoming(DestBegin, EntryBB); | |||
915 | Address DestElementCurrent = | |||
916 | Address(DestElementPHI, | |||
917 | DestAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
918 | ||||
919 | // Emit copy. | |||
920 | { | |||
921 | CodeGenFunction::RunCleanupsScope InitScope(CGF); | |||
922 | if (EmitDeclareReductionInit) { | |||
923 | emitInitWithReductionInitializer(CGF, DRD, Init, DestElementCurrent, | |||
924 | SrcElementCurrent, ElementTy); | |||
925 | } else | |||
926 | CGF.EmitAnyExprToMem(Init, DestElementCurrent, ElementTy.getQualifiers(), | |||
927 | /*IsInitializer=*/false); | |||
928 | } | |||
929 | ||||
930 | if (DRD) { | |||
931 | // Shift the address forward by one element. | |||
932 | llvm::Value *SrcElementNext = CGF.Builder.CreateConstGEP1_32( | |||
933 | SrcElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
934 | SrcElementPHI->addIncoming(SrcElementNext, CGF.Builder.GetInsertBlock()); | |||
935 | } | |||
936 | ||||
937 | // Shift the address forward by one element. | |||
938 | llvm::Value *DestElementNext = CGF.Builder.CreateConstGEP1_32( | |||
939 | DestElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
940 | // Check whether we've reached the end. | |||
941 | llvm::Value *Done = | |||
942 | CGF.Builder.CreateICmpEQ(DestElementNext, DestEnd, "omp.arraycpy.done"); | |||
943 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | |||
944 | DestElementPHI->addIncoming(DestElementNext, CGF.Builder.GetInsertBlock()); | |||
945 | ||||
946 | // Done. | |||
947 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
948 | } | |||
949 | ||||
950 | LValue ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, const Expr *E) { | |||
951 | return CGF.EmitOMPSharedLValue(E); | |||
952 | } | |||
953 | ||||
954 | LValue ReductionCodeGen::emitSharedLValueUB(CodeGenFunction &CGF, | |||
955 | const Expr *E) { | |||
956 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(E)) | |||
957 | return CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false); | |||
958 | return LValue(); | |||
959 | } | |||
960 | ||||
961 | void ReductionCodeGen::emitAggregateInitialization( | |||
962 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | |||
963 | const OMPDeclareReductionDecl *DRD) { | |||
964 | // Emit VarDecl with copy init for arrays. | |||
965 | // Get the address of the original variable captured in current | |||
966 | // captured region. | |||
967 | const auto *PrivateVD = | |||
968 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
969 | bool EmitDeclareReductionInit = | |||
970 | DRD && (DRD->getInitializer() || !PrivateVD->hasInit()); | |||
971 | EmitOMPAggregateInit(CGF, PrivateAddr, PrivateVD->getType(), | |||
972 | EmitDeclareReductionInit, | |||
973 | EmitDeclareReductionInit ? ClausesData[N].ReductionOp | |||
974 | : PrivateVD->getInit(), | |||
975 | DRD, SharedLVal.getAddress(CGF)); | |||
976 | } | |||
977 | ||||
978 | ReductionCodeGen::ReductionCodeGen(ArrayRef<const Expr *> Shareds, | |||
979 | ArrayRef<const Expr *> Privates, | |||
980 | ArrayRef<const Expr *> ReductionOps) { | |||
981 | ClausesData.reserve(Shareds.size()); | |||
982 | SharedAddresses.reserve(Shareds.size()); | |||
983 | Sizes.reserve(Shareds.size()); | |||
984 | BaseDecls.reserve(Shareds.size()); | |||
985 | auto IPriv = Privates.begin(); | |||
986 | auto IRed = ReductionOps.begin(); | |||
987 | for (const Expr *Ref : Shareds) { | |||
988 | ClausesData.emplace_back(Ref, *IPriv, *IRed); | |||
989 | std::advance(IPriv, 1); | |||
990 | std::advance(IRed, 1); | |||
991 | } | |||
992 | } | |||
993 | ||||
994 | void ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, unsigned N) { | |||
995 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 996, __PRETTY_FUNCTION__)) | |||
996 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 996, __PRETTY_FUNCTION__)); | |||
997 | LValue First = emitSharedLValue(CGF, ClausesData[N].Ref); | |||
998 | LValue Second = emitSharedLValueUB(CGF, ClausesData[N].Ref); | |||
999 | SharedAddresses.emplace_back(First, Second); | |||
1000 | } | |||
1001 | ||||
1002 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N) { | |||
1003 | const auto *PrivateVD = | |||
1004 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
1005 | QualType PrivateType = PrivateVD->getType(); | |||
1006 | bool AsArraySection = isa<OMPArraySectionExpr>(ClausesData[N].Ref); | |||
1007 | if (!PrivateType->isVariablyModifiedType()) { | |||
1008 | Sizes.emplace_back( | |||
1009 | CGF.getTypeSize( | |||
1010 | SharedAddresses[N].first.getType().getNonReferenceType()), | |||
1011 | nullptr); | |||
1012 | return; | |||
1013 | } | |||
1014 | llvm::Value *Size; | |||
1015 | llvm::Value *SizeInChars; | |||
1016 | auto *ElemType = cast<llvm::PointerType>( | |||
1017 | SharedAddresses[N].first.getPointer(CGF)->getType()) | |||
1018 | ->getElementType(); | |||
1019 | auto *ElemSizeOf = llvm::ConstantExpr::getSizeOf(ElemType); | |||
1020 | if (AsArraySection) { | |||
1021 | Size = CGF.Builder.CreatePtrDiff(SharedAddresses[N].second.getPointer(CGF), | |||
1022 | SharedAddresses[N].first.getPointer(CGF)); | |||
1023 | Size = CGF.Builder.CreateNUWAdd( | |||
1024 | Size, llvm::ConstantInt::get(Size->getType(), /*V=*/1)); | |||
1025 | SizeInChars = CGF.Builder.CreateNUWMul(Size, ElemSizeOf); | |||
1026 | } else { | |||
1027 | SizeInChars = CGF.getTypeSize( | |||
1028 | SharedAddresses[N].first.getType().getNonReferenceType()); | |||
1029 | Size = CGF.Builder.CreateExactUDiv(SizeInChars, ElemSizeOf); | |||
1030 | } | |||
1031 | Sizes.emplace_back(SizeInChars, Size); | |||
1032 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
1033 | CGF, | |||
1034 | cast<OpaqueValueExpr>( | |||
1035 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | |||
1036 | RValue::get(Size)); | |||
1037 | CGF.EmitVariablyModifiedType(PrivateType); | |||
1038 | } | |||
1039 | ||||
1040 | void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N, | |||
1041 | llvm::Value *Size) { | |||
1042 | const auto *PrivateVD = | |||
1043 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
1044 | QualType PrivateType = PrivateVD->getType(); | |||
1045 | if (!PrivateType->isVariablyModifiedType()) { | |||
1046 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1048, __PRETTY_FUNCTION__)) | |||
1047 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1048, __PRETTY_FUNCTION__)) | |||
1048 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1048, __PRETTY_FUNCTION__)); | |||
1049 | return; | |||
1050 | } | |||
1051 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
1052 | CGF, | |||
1053 | cast<OpaqueValueExpr>( | |||
1054 | CGF.getContext().getAsVariableArrayType(PrivateType)->getSizeExpr()), | |||
1055 | RValue::get(Size)); | |||
1056 | CGF.EmitVariablyModifiedType(PrivateType); | |||
1057 | } | |||
1058 | ||||
1059 | void ReductionCodeGen::emitInitialization( | |||
1060 | CodeGenFunction &CGF, unsigned N, Address PrivateAddr, LValue SharedLVal, | |||
1061 | llvm::function_ref<bool(CodeGenFunction &)> DefaultInit) { | |||
1062 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1062, __PRETTY_FUNCTION__)); | |||
1063 | const auto *PrivateVD = | |||
1064 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
1065 | const OMPDeclareReductionDecl *DRD = | |||
1066 | getReductionInit(ClausesData[N].ReductionOp); | |||
1067 | QualType PrivateType = PrivateVD->getType(); | |||
1068 | PrivateAddr = CGF.Builder.CreateElementBitCast( | |||
1069 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | |||
1070 | QualType SharedType = SharedAddresses[N].first.getType(); | |||
1071 | SharedLVal = CGF.MakeAddrLValue( | |||
1072 | CGF.Builder.CreateElementBitCast(SharedLVal.getAddress(CGF), | |||
1073 | CGF.ConvertTypeForMem(SharedType)), | |||
1074 | SharedType, SharedAddresses[N].first.getBaseInfo(), | |||
1075 | CGF.CGM.getTBAAInfoForSubobject(SharedAddresses[N].first, SharedType)); | |||
1076 | if (CGF.getContext().getAsArrayType(PrivateVD->getType())) { | |||
1077 | emitAggregateInitialization(CGF, N, PrivateAddr, SharedLVal, DRD); | |||
1078 | } else if (DRD && (DRD->getInitializer() || !PrivateVD->hasInit())) { | |||
1079 | emitInitWithReductionInitializer(CGF, DRD, ClausesData[N].ReductionOp, | |||
1080 | PrivateAddr, SharedLVal.getAddress(CGF), | |||
1081 | SharedLVal.getType()); | |||
1082 | } else if (!DefaultInit(CGF) && PrivateVD->hasInit() && | |||
1083 | !CGF.isTrivialInitializer(PrivateVD->getInit())) { | |||
1084 | CGF.EmitAnyExprToMem(PrivateVD->getInit(), PrivateAddr, | |||
1085 | PrivateVD->getType().getQualifiers(), | |||
1086 | /*IsInitializer=*/false); | |||
1087 | } | |||
1088 | } | |||
1089 | ||||
1090 | bool ReductionCodeGen::needCleanups(unsigned N) { | |||
1091 | const auto *PrivateVD = | |||
1092 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
1093 | QualType PrivateType = PrivateVD->getType(); | |||
1094 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | |||
1095 | return DTorKind != QualType::DK_none; | |||
1096 | } | |||
1097 | ||||
1098 | void ReductionCodeGen::emitCleanups(CodeGenFunction &CGF, unsigned N, | |||
1099 | Address PrivateAddr) { | |||
1100 | const auto *PrivateVD = | |||
1101 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl()); | |||
1102 | QualType PrivateType = PrivateVD->getType(); | |||
1103 | QualType::DestructionKind DTorKind = PrivateType.isDestructedType(); | |||
1104 | if (needCleanups(N)) { | |||
1105 | PrivateAddr = CGF.Builder.CreateElementBitCast( | |||
1106 | PrivateAddr, CGF.ConvertTypeForMem(PrivateType)); | |||
1107 | CGF.pushDestroy(DTorKind, PrivateAddr, PrivateType); | |||
1108 | } | |||
1109 | } | |||
1110 | ||||
1111 | static LValue loadToBegin(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | |||
1112 | LValue BaseLV) { | |||
1113 | BaseTy = BaseTy.getNonReferenceType(); | |||
1114 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | |||
1115 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | |||
1116 | if (const auto *PtrTy = BaseTy->getAs<PointerType>()) { | |||
1117 | BaseLV = CGF.EmitLoadOfPointerLValue(BaseLV.getAddress(CGF), PtrTy); | |||
1118 | } else { | |||
1119 | LValue RefLVal = CGF.MakeAddrLValue(BaseLV.getAddress(CGF), BaseTy); | |||
1120 | BaseLV = CGF.EmitLoadOfReferenceLValue(RefLVal); | |||
1121 | } | |||
1122 | BaseTy = BaseTy->getPointeeType(); | |||
1123 | } | |||
1124 | return CGF.MakeAddrLValue( | |||
1125 | CGF.Builder.CreateElementBitCast(BaseLV.getAddress(CGF), | |||
1126 | CGF.ConvertTypeForMem(ElTy)), | |||
1127 | BaseLV.getType(), BaseLV.getBaseInfo(), | |||
1128 | CGF.CGM.getTBAAInfoForSubobject(BaseLV, BaseLV.getType())); | |||
1129 | } | |||
1130 | ||||
1131 | static Address castToBase(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, | |||
1132 | llvm::Type *BaseLVType, CharUnits BaseLVAlignment, | |||
1133 | llvm::Value *Addr) { | |||
1134 | Address Tmp = Address::invalid(); | |||
1135 | Address TopTmp = Address::invalid(); | |||
1136 | Address MostTopTmp = Address::invalid(); | |||
1137 | BaseTy = BaseTy.getNonReferenceType(); | |||
1138 | while ((BaseTy->isPointerType() || BaseTy->isReferenceType()) && | |||
1139 | !CGF.getContext().hasSameType(BaseTy, ElTy)) { | |||
1140 | Tmp = CGF.CreateMemTemp(BaseTy); | |||
1141 | if (TopTmp.isValid()) | |||
1142 | CGF.Builder.CreateStore(Tmp.getPointer(), TopTmp); | |||
1143 | else | |||
1144 | MostTopTmp = Tmp; | |||
1145 | TopTmp = Tmp; | |||
1146 | BaseTy = BaseTy->getPointeeType(); | |||
1147 | } | |||
1148 | llvm::Type *Ty = BaseLVType; | |||
1149 | if (Tmp.isValid()) | |||
1150 | Ty = Tmp.getElementType(); | |||
1151 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Addr, Ty); | |||
1152 | if (Tmp.isValid()) { | |||
1153 | CGF.Builder.CreateStore(Addr, Tmp); | |||
1154 | return MostTopTmp; | |||
1155 | } | |||
1156 | return Address(Addr, BaseLVAlignment); | |||
1157 | } | |||
1158 | ||||
1159 | static const VarDecl *getBaseDecl(const Expr *Ref, const DeclRefExpr *&DE) { | |||
1160 | const VarDecl *OrigVD = nullptr; | |||
1161 | if (const auto *OASE = dyn_cast<OMPArraySectionExpr>(Ref)) { | |||
1162 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
1163 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | |||
1164 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
1165 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
1166 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
1167 | DE = cast<DeclRefExpr>(Base); | |||
1168 | OrigVD = cast<VarDecl>(DE->getDecl()); | |||
1169 | } else if (const auto *ASE = dyn_cast<ArraySubscriptExpr>(Ref)) { | |||
1170 | const Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | |||
1171 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
1172 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
1173 | DE = cast<DeclRefExpr>(Base); | |||
1174 | OrigVD = cast<VarDecl>(DE->getDecl()); | |||
1175 | } | |||
1176 | return OrigVD; | |||
1177 | } | |||
1178 | ||||
1179 | Address ReductionCodeGen::adjustPrivateAddress(CodeGenFunction &CGF, unsigned N, | |||
1180 | Address PrivateAddr) { | |||
1181 | const DeclRefExpr *DE; | |||
1182 | if (const VarDecl *OrigVD = ::getBaseDecl(ClausesData[N].Ref, DE)) { | |||
1183 | BaseDecls.emplace_back(OrigVD); | |||
1184 | LValue OriginalBaseLValue = CGF.EmitLValue(DE); | |||
1185 | LValue BaseLValue = | |||
1186 | loadToBegin(CGF, OrigVD->getType(), SharedAddresses[N].first.getType(), | |||
1187 | OriginalBaseLValue); | |||
1188 | llvm::Value *Adjustment = CGF.Builder.CreatePtrDiff( | |||
1189 | BaseLValue.getPointer(CGF), SharedAddresses[N].first.getPointer(CGF)); | |||
1190 | llvm::Value *PrivatePointer = | |||
1191 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
1192 | PrivateAddr.getPointer(), | |||
1193 | SharedAddresses[N].first.getAddress(CGF).getType()); | |||
1194 | llvm::Value *Ptr = CGF.Builder.CreateGEP(PrivatePointer, Adjustment); | |||
1195 | return castToBase(CGF, OrigVD->getType(), | |||
1196 | SharedAddresses[N].first.getType(), | |||
1197 | OriginalBaseLValue.getAddress(CGF).getType(), | |||
1198 | OriginalBaseLValue.getAlignment(), Ptr); | |||
1199 | } | |||
1200 | BaseDecls.emplace_back( | |||
1201 | cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Ref)->getDecl())); | |||
1202 | return PrivateAddr; | |||
1203 | } | |||
1204 | ||||
1205 | bool ReductionCodeGen::usesReductionInitializer(unsigned N) const { | |||
1206 | const OMPDeclareReductionDecl *DRD = | |||
1207 | getReductionInit(ClausesData[N].ReductionOp); | |||
1208 | return DRD && DRD->getInitializer(); | |||
1209 | } | |||
1210 | ||||
1211 | LValue CGOpenMPRegionInfo::getThreadIDVariableLValue(CodeGenFunction &CGF) { | |||
1212 | return CGF.EmitLoadOfPointerLValue( | |||
1213 | CGF.GetAddrOfLocalVar(getThreadIDVariable()), | |||
1214 | getThreadIDVariable()->getType()->castAs<PointerType>()); | |||
1215 | } | |||
1216 | ||||
1217 | void CGOpenMPRegionInfo::EmitBody(CodeGenFunction &CGF, const Stmt * /*S*/) { | |||
1218 | if (!CGF.HaveInsertPoint()) | |||
1219 | return; | |||
1220 | // 1.2.2 OpenMP Language Terminology | |||
1221 | // Structured block - An executable statement with a single entry at the | |||
1222 | // top and a single exit at the bottom. | |||
1223 | // The point of exit cannot be a branch out of the structured block. | |||
1224 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
1225 | CGF.EHStack.pushTerminate(); | |||
1226 | CodeGen(CGF); | |||
1227 | CGF.EHStack.popTerminate(); | |||
1228 | } | |||
1229 | ||||
1230 | LValue CGOpenMPTaskOutlinedRegionInfo::getThreadIDVariableLValue( | |||
1231 | CodeGenFunction &CGF) { | |||
1232 | return CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(getThreadIDVariable()), | |||
1233 | getThreadIDVariable()->getType(), | |||
1234 | AlignmentSource::Decl); | |||
1235 | } | |||
1236 | ||||
1237 | static FieldDecl *addFieldToRecordDecl(ASTContext &C, DeclContext *DC, | |||
1238 | QualType FieldTy) { | |||
1239 | auto *Field = FieldDecl::Create( | |||
1240 | C, DC, SourceLocation(), SourceLocation(), /*Id=*/nullptr, FieldTy, | |||
1241 | C.getTrivialTypeSourceInfo(FieldTy, SourceLocation()), | |||
1242 | /*BW=*/nullptr, /*Mutable=*/false, /*InitStyle=*/ICIS_NoInit); | |||
1243 | Field->setAccess(AS_public); | |||
1244 | DC->addDecl(Field); | |||
1245 | return Field; | |||
1246 | } | |||
1247 | ||||
1248 | CGOpenMPRuntime::CGOpenMPRuntime(CodeGenModule &CGM, StringRef FirstSeparator, | |||
1249 | StringRef Separator) | |||
1250 | : CGM(CGM), FirstSeparator(FirstSeparator), Separator(Separator), | |||
1251 | OffloadEntriesInfoManager(CGM) { | |||
1252 | ASTContext &C = CGM.getContext(); | |||
1253 | RecordDecl *RD = C.buildImplicitRecord("ident_t"); | |||
1254 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
1255 | RD->startDefinition(); | |||
1256 | // reserved_1 | |||
1257 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
1258 | // flags | |||
1259 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
1260 | // reserved_2 | |||
1261 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
1262 | // reserved_3 | |||
1263 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
1264 | // psource | |||
1265 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
1266 | RD->completeDefinition(); | |||
1267 | IdentQTy = C.getRecordType(RD); | |||
1268 | IdentTy = CGM.getTypes().ConvertRecordDeclType(RD); | |||
1269 | KmpCriticalNameTy = llvm::ArrayType::get(CGM.Int32Ty, /*NumElements*/ 8); | |||
1270 | ||||
1271 | loadOffloadInfoMetadata(); | |||
1272 | } | |||
1273 | ||||
1274 | bool CGOpenMPRuntime::tryEmitDeclareVariant(const GlobalDecl &NewGD, | |||
1275 | const GlobalDecl &OldGD, | |||
1276 | llvm::GlobalValue *OrigAddr, | |||
1277 | bool IsForDefinition) { | |||
1278 | // Emit at least a definition for the aliasee if the the address of the | |||
1279 | // original function is requested. | |||
1280 | if (IsForDefinition || OrigAddr) | |||
1281 | (void)CGM.GetAddrOfGlobal(NewGD); | |||
1282 | StringRef NewMangledName = CGM.getMangledName(NewGD); | |||
1283 | llvm::GlobalValue *Addr = CGM.GetGlobalValue(NewMangledName); | |||
1284 | if (Addr && !Addr->isDeclaration()) { | |||
1285 | const auto *D = cast<FunctionDecl>(OldGD.getDecl()); | |||
1286 | const CGFunctionInfo &FI = CGM.getTypes().arrangeGlobalDeclaration(NewGD); | |||
1287 | llvm::Type *DeclTy = CGM.getTypes().GetFunctionType(FI); | |||
1288 | ||||
1289 | // Create a reference to the named value. This ensures that it is emitted | |||
1290 | // if a deferred decl. | |||
1291 | llvm::GlobalValue::LinkageTypes LT = CGM.getFunctionLinkage(OldGD); | |||
1292 | ||||
1293 | // Create the new alias itself, but don't set a name yet. | |||
1294 | auto *GA = | |||
1295 | llvm::GlobalAlias::create(DeclTy, 0, LT, "", Addr, &CGM.getModule()); | |||
1296 | ||||
1297 | if (OrigAddr) { | |||
1298 | assert(OrigAddr->isDeclaration() && "Expected declaration")((OrigAddr->isDeclaration() && "Expected declaration" ) ? static_cast<void> (0) : __assert_fail ("OrigAddr->isDeclaration() && \"Expected declaration\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1298, __PRETTY_FUNCTION__)); | |||
1299 | ||||
1300 | GA->takeName(OrigAddr); | |||
1301 | OrigAddr->replaceAllUsesWith( | |||
1302 | llvm::ConstantExpr::getBitCast(GA, OrigAddr->getType())); | |||
1303 | OrigAddr->eraseFromParent(); | |||
1304 | } else { | |||
1305 | GA->setName(CGM.getMangledName(OldGD)); | |||
1306 | } | |||
1307 | ||||
1308 | // Set attributes which are particular to an alias; this is a | |||
1309 | // specialization of the attributes which may be set on a global function. | |||
1310 | if (D->hasAttr<WeakAttr>() || D->hasAttr<WeakRefAttr>() || | |||
1311 | D->isWeakImported()) | |||
1312 | GA->setLinkage(llvm::Function::WeakAnyLinkage); | |||
1313 | ||||
1314 | CGM.SetCommonAttributes(OldGD, GA); | |||
1315 | return true; | |||
1316 | } | |||
1317 | return false; | |||
1318 | } | |||
1319 | ||||
1320 | void CGOpenMPRuntime::clear() { | |||
1321 | InternalVars.clear(); | |||
1322 | // Clean non-target variable declarations possibly used only in debug info. | |||
1323 | for (const auto &Data : EmittedNonTargetVariables) { | |||
1324 | if (!Data.getValue().pointsToAliveValue()) | |||
1325 | continue; | |||
1326 | auto *GV = dyn_cast<llvm::GlobalVariable>(Data.getValue()); | |||
1327 | if (!GV) | |||
1328 | continue; | |||
1329 | if (!GV->isDeclaration() || GV->getNumUses() > 0) | |||
1330 | continue; | |||
1331 | GV->eraseFromParent(); | |||
1332 | } | |||
1333 | // Emit aliases for the deferred aliasees. | |||
1334 | for (const auto &Pair : DeferredVariantFunction) { | |||
1335 | StringRef MangledName = CGM.getMangledName(Pair.second.second); | |||
1336 | llvm::GlobalValue *Addr = CGM.GetGlobalValue(MangledName); | |||
1337 | // If not able to emit alias, just emit original declaration. | |||
1338 | (void)tryEmitDeclareVariant(Pair.second.first, Pair.second.second, Addr, | |||
1339 | /*IsForDefinition=*/false); | |||
1340 | } | |||
1341 | } | |||
1342 | ||||
1343 | std::string CGOpenMPRuntime::getName(ArrayRef<StringRef> Parts) const { | |||
1344 | SmallString<128> Buffer; | |||
1345 | llvm::raw_svector_ostream OS(Buffer); | |||
1346 | StringRef Sep = FirstSeparator; | |||
1347 | for (StringRef Part : Parts) { | |||
1348 | OS << Sep << Part; | |||
1349 | Sep = Separator; | |||
1350 | } | |||
1351 | return std::string(OS.str()); | |||
1352 | } | |||
1353 | ||||
1354 | static llvm::Function * | |||
1355 | emitCombinerOrInitializer(CodeGenModule &CGM, QualType Ty, | |||
1356 | const Expr *CombinerInitializer, const VarDecl *In, | |||
1357 | const VarDecl *Out, bool IsCombiner) { | |||
1358 | // void .omp_combiner.(Ty *in, Ty *out); | |||
1359 | ASTContext &C = CGM.getContext(); | |||
1360 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | |||
1361 | FunctionArgList Args; | |||
1362 | ImplicitParamDecl OmpOutParm(C, /*DC=*/nullptr, Out->getLocation(), | |||
1363 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | |||
1364 | ImplicitParamDecl OmpInParm(C, /*DC=*/nullptr, In->getLocation(), | |||
1365 | /*Id=*/nullptr, PtrTy, ImplicitParamDecl::Other); | |||
1366 | Args.push_back(&OmpOutParm); | |||
1367 | Args.push_back(&OmpInParm); | |||
1368 | const CGFunctionInfo &FnInfo = | |||
1369 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
1370 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
1371 | std::string Name = CGM.getOpenMPRuntime().getName( | |||
1372 | {IsCombiner ? "omp_combiner" : "omp_initializer", ""}); | |||
1373 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
1374 | Name, &CGM.getModule()); | |||
1375 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
1376 | if (CGM.getLangOpts().Optimize) { | |||
1377 | Fn->removeFnAttr(llvm::Attribute::NoInline); | |||
1378 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
1379 | Fn->addFnAttr(llvm::Attribute::AlwaysInline); | |||
1380 | } | |||
1381 | CodeGenFunction CGF(CGM); | |||
1382 | // Map "T omp_in;" variable to "*omp_in_parm" value in all expressions. | |||
1383 | // Map "T omp_out;" variable to "*omp_out_parm" value in all expressions. | |||
1384 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, In->getLocation(), | |||
1385 | Out->getLocation()); | |||
1386 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
1387 | Address AddrIn = CGF.GetAddrOfLocalVar(&OmpInParm); | |||
1388 | Scope.addPrivate(In, [&CGF, AddrIn, PtrTy]() { | |||
1389 | return CGF.EmitLoadOfPointerLValue(AddrIn, PtrTy->castAs<PointerType>()) | |||
1390 | .getAddress(CGF); | |||
1391 | }); | |||
1392 | Address AddrOut = CGF.GetAddrOfLocalVar(&OmpOutParm); | |||
1393 | Scope.addPrivate(Out, [&CGF, AddrOut, PtrTy]() { | |||
1394 | return CGF.EmitLoadOfPointerLValue(AddrOut, PtrTy->castAs<PointerType>()) | |||
1395 | .getAddress(CGF); | |||
1396 | }); | |||
1397 | (void)Scope.Privatize(); | |||
1398 | if (!IsCombiner && Out->hasInit() && | |||
1399 | !CGF.isTrivialInitializer(Out->getInit())) { | |||
1400 | CGF.EmitAnyExprToMem(Out->getInit(), CGF.GetAddrOfLocalVar(Out), | |||
1401 | Out->getType().getQualifiers(), | |||
1402 | /*IsInitializer=*/true); | |||
1403 | } | |||
1404 | if (CombinerInitializer) | |||
1405 | CGF.EmitIgnoredExpr(CombinerInitializer); | |||
1406 | Scope.ForceCleanup(); | |||
1407 | CGF.FinishFunction(); | |||
1408 | return Fn; | |||
1409 | } | |||
1410 | ||||
1411 | void CGOpenMPRuntime::emitUserDefinedReduction( | |||
1412 | CodeGenFunction *CGF, const OMPDeclareReductionDecl *D) { | |||
1413 | if (UDRMap.count(D) > 0) | |||
1414 | return; | |||
1415 | llvm::Function *Combiner = emitCombinerOrInitializer( | |||
1416 | CGM, D->getType(), D->getCombiner(), | |||
1417 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerIn())->getDecl()), | |||
1418 | cast<VarDecl>(cast<DeclRefExpr>(D->getCombinerOut())->getDecl()), | |||
1419 | /*IsCombiner=*/true); | |||
1420 | llvm::Function *Initializer = nullptr; | |||
1421 | if (const Expr *Init = D->getInitializer()) { | |||
1422 | Initializer = emitCombinerOrInitializer( | |||
1423 | CGM, D->getType(), | |||
1424 | D->getInitializerKind() == OMPDeclareReductionDecl::CallInit ? Init | |||
1425 | : nullptr, | |||
1426 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitOrig())->getDecl()), | |||
1427 | cast<VarDecl>(cast<DeclRefExpr>(D->getInitPriv())->getDecl()), | |||
1428 | /*IsCombiner=*/false); | |||
1429 | } | |||
1430 | UDRMap.try_emplace(D, Combiner, Initializer); | |||
1431 | if (CGF) { | |||
1432 | auto &Decls = FunctionUDRMap.FindAndConstruct(CGF->CurFn); | |||
1433 | Decls.second.push_back(D); | |||
1434 | } | |||
1435 | } | |||
1436 | ||||
1437 | std::pair<llvm::Function *, llvm::Function *> | |||
1438 | CGOpenMPRuntime::getUserDefinedReduction(const OMPDeclareReductionDecl *D) { | |||
1439 | auto I = UDRMap.find(D); | |||
1440 | if (I != UDRMap.end()) | |||
1441 | return I->second; | |||
1442 | emitUserDefinedReduction(/*CGF=*/nullptr, D); | |||
1443 | return UDRMap.lookup(D); | |||
1444 | } | |||
1445 | ||||
1446 | namespace { | |||
1447 | // Temporary RAII solution to perform a push/pop stack event on the OpenMP IR | |||
1448 | // Builder if one is present. | |||
1449 | struct PushAndPopStackRAII { | |||
1450 | PushAndPopStackRAII(llvm::OpenMPIRBuilder *OMPBuilder, CodeGenFunction &CGF, | |||
1451 | bool HasCancel) | |||
1452 | : OMPBuilder(OMPBuilder) { | |||
1453 | if (!OMPBuilder) | |||
1454 | return; | |||
1455 | ||||
1456 | // The following callback is the crucial part of clangs cleanup process. | |||
1457 | // | |||
1458 | // NOTE: | |||
1459 | // Once the OpenMPIRBuilder is used to create parallel regions (and | |||
1460 | // similar), the cancellation destination (Dest below) is determined via | |||
1461 | // IP. That means if we have variables to finalize we split the block at IP, | |||
1462 | // use the new block (=BB) as destination to build a JumpDest (via | |||
1463 | // getJumpDestInCurrentScope(BB)) which then is fed to | |||
1464 | // EmitBranchThroughCleanup. Furthermore, there will not be the need | |||
1465 | // to push & pop an FinalizationInfo object. | |||
1466 | // The FiniCB will still be needed but at the point where the | |||
1467 | // OpenMPIRBuilder is asked to construct a parallel (or similar) construct. | |||
1468 | auto FiniCB = [&CGF](llvm::OpenMPIRBuilder::InsertPointTy IP) { | |||
1469 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1470, __PRETTY_FUNCTION__)) | |||
1470 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1470, __PRETTY_FUNCTION__)); | |||
1471 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | |||
1472 | CGF.Builder.restoreIP(IP); | |||
1473 | CodeGenFunction::JumpDest Dest = | |||
1474 | CGF.getOMPCancelDestination(OMPD_parallel); | |||
1475 | CGF.EmitBranchThroughCleanup(Dest); | |||
1476 | }; | |||
1477 | ||||
1478 | // TODO: Remove this once we emit parallel regions through the | |||
1479 | // OpenMPIRBuilder as it can do this setup internally. | |||
1480 | llvm::OpenMPIRBuilder::FinalizationInfo FI( | |||
1481 | {FiniCB, OMPD_parallel, HasCancel}); | |||
1482 | OMPBuilder->pushFinalizationCB(std::move(FI)); | |||
1483 | } | |||
1484 | ~PushAndPopStackRAII() { | |||
1485 | if (OMPBuilder) | |||
1486 | OMPBuilder->popFinalizationCB(); | |||
1487 | } | |||
1488 | llvm::OpenMPIRBuilder *OMPBuilder; | |||
1489 | }; | |||
1490 | } // namespace | |||
1491 | ||||
1492 | static llvm::Function *emitParallelOrTeamsOutlinedFunction( | |||
1493 | CodeGenModule &CGM, const OMPExecutableDirective &D, const CapturedStmt *CS, | |||
1494 | const VarDecl *ThreadIDVar, OpenMPDirectiveKind InnermostKind, | |||
1495 | const StringRef OutlinedHelperName, const RegionCodeGenTy &CodeGen) { | |||
1496 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1497, __PRETTY_FUNCTION__)) | |||
1497 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1497, __PRETTY_FUNCTION__)); | |||
1498 | CodeGenFunction CGF(CGM, true); | |||
1499 | bool HasCancel = false; | |||
1500 | if (const auto *OPD = dyn_cast<OMPParallelDirective>(&D)) | |||
1501 | HasCancel = OPD->hasCancel(); | |||
1502 | else if (const auto *OPSD = dyn_cast<OMPParallelSectionsDirective>(&D)) | |||
1503 | HasCancel = OPSD->hasCancel(); | |||
1504 | else if (const auto *OPFD = dyn_cast<OMPParallelForDirective>(&D)) | |||
1505 | HasCancel = OPFD->hasCancel(); | |||
1506 | else if (const auto *OPFD = dyn_cast<OMPTargetParallelForDirective>(&D)) | |||
1507 | HasCancel = OPFD->hasCancel(); | |||
1508 | else if (const auto *OPFD = dyn_cast<OMPDistributeParallelForDirective>(&D)) | |||
1509 | HasCancel = OPFD->hasCancel(); | |||
1510 | else if (const auto *OPFD = | |||
1511 | dyn_cast<OMPTeamsDistributeParallelForDirective>(&D)) | |||
1512 | HasCancel = OPFD->hasCancel(); | |||
1513 | else if (const auto *OPFD = | |||
1514 | dyn_cast<OMPTargetTeamsDistributeParallelForDirective>(&D)) | |||
1515 | HasCancel = OPFD->hasCancel(); | |||
1516 | ||||
1517 | // TODO: Temporarily inform the OpenMPIRBuilder, if any, about the new | |||
1518 | // parallel region to make cancellation barriers work properly. | |||
1519 | llvm::OpenMPIRBuilder *OMPBuilder = CGM.getOpenMPIRBuilder(); | |||
1520 | PushAndPopStackRAII PSR(OMPBuilder, CGF, HasCancel); | |||
1521 | CGOpenMPOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, InnermostKind, | |||
1522 | HasCancel, OutlinedHelperName); | |||
1523 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
1524 | return CGF.GenerateOpenMPCapturedStmtFunction(*CS, D.getBeginLoc()); | |||
1525 | } | |||
1526 | ||||
1527 | llvm::Function *CGOpenMPRuntime::emitParallelOutlinedFunction( | |||
1528 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1529 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
1530 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_parallel); | |||
1531 | return emitParallelOrTeamsOutlinedFunction( | |||
1532 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | |||
1533 | } | |||
1534 | ||||
1535 | llvm::Function *CGOpenMPRuntime::emitTeamsOutlinedFunction( | |||
1536 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1537 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
1538 | const CapturedStmt *CS = D.getCapturedStmt(OMPD_teams); | |||
1539 | return emitParallelOrTeamsOutlinedFunction( | |||
1540 | CGM, D, CS, ThreadIDVar, InnermostKind, getOutlinedHelperName(), CodeGen); | |||
1541 | } | |||
1542 | ||||
1543 | llvm::Function *CGOpenMPRuntime::emitTaskOutlinedFunction( | |||
1544 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
1545 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | |||
1546 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | |||
1547 | bool Tied, unsigned &NumberOfParts) { | |||
1548 | auto &&UntiedCodeGen = [this, &D, TaskTVar](CodeGenFunction &CGF, | |||
1549 | PrePostActionTy &) { | |||
1550 | llvm::Value *ThreadID = getThreadID(CGF, D.getBeginLoc()); | |||
1551 | llvm::Value *UpLoc = emitUpdateLocation(CGF, D.getBeginLoc()); | |||
1552 | llvm::Value *TaskArgs[] = { | |||
1553 | UpLoc, ThreadID, | |||
1554 | CGF.EmitLoadOfPointerLValue(CGF.GetAddrOfLocalVar(TaskTVar), | |||
1555 | TaskTVar->getType()->castAs<PointerType>()) | |||
1556 | .getPointer(CGF)}; | |||
1557 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_task), TaskArgs); | |||
1558 | }; | |||
1559 | CGOpenMPTaskOutlinedRegionInfo::UntiedTaskActionTy Action(Tied, PartIDVar, | |||
1560 | UntiedCodeGen); | |||
1561 | CodeGen.setAction(Action); | |||
1562 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1563, __PRETTY_FUNCTION__)) | |||
1563 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1563, __PRETTY_FUNCTION__)); | |||
1564 | const OpenMPDirectiveKind Region = | |||
1565 | isOpenMPTaskLoopDirective(D.getDirectiveKind()) ? OMPD_taskloop | |||
1566 | : OMPD_task; | |||
1567 | const CapturedStmt *CS = D.getCapturedStmt(Region); | |||
1568 | bool HasCancel = false; | |||
1569 | if (const auto *TD = dyn_cast<OMPTaskDirective>(&D)) | |||
1570 | HasCancel = TD->hasCancel(); | |||
1571 | else if (const auto *TD = dyn_cast<OMPTaskLoopDirective>(&D)) | |||
1572 | HasCancel = TD->hasCancel(); | |||
1573 | else if (const auto *TD = dyn_cast<OMPMasterTaskLoopDirective>(&D)) | |||
1574 | HasCancel = TD->hasCancel(); | |||
1575 | else if (const auto *TD = dyn_cast<OMPParallelMasterTaskLoopDirective>(&D)) | |||
1576 | HasCancel = TD->hasCancel(); | |||
1577 | ||||
1578 | CodeGenFunction CGF(CGM, true); | |||
1579 | CGOpenMPTaskOutlinedRegionInfo CGInfo(*CS, ThreadIDVar, CodeGen, | |||
1580 | InnermostKind, HasCancel, Action); | |||
1581 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
1582 | llvm::Function *Res = CGF.GenerateCapturedStmtFunction(*CS); | |||
1583 | if (!Tied) | |||
1584 | NumberOfParts = Action.getNumberOfParts(); | |||
1585 | return Res; | |||
1586 | } | |||
1587 | ||||
1588 | static void buildStructValue(ConstantStructBuilder &Fields, CodeGenModule &CGM, | |||
1589 | const RecordDecl *RD, const CGRecordLayout &RL, | |||
1590 | ArrayRef<llvm::Constant *> Data) { | |||
1591 | llvm::StructType *StructTy = RL.getLLVMType(); | |||
1592 | unsigned PrevIdx = 0; | |||
1593 | ConstantInitBuilder CIBuilder(CGM); | |||
1594 | auto DI = Data.begin(); | |||
1595 | for (const FieldDecl *FD : RD->fields()) { | |||
1596 | unsigned Idx = RL.getLLVMFieldNo(FD); | |||
1597 | // Fill the alignment. | |||
1598 | for (unsigned I = PrevIdx; I < Idx; ++I) | |||
1599 | Fields.add(llvm::Constant::getNullValue(StructTy->getElementType(I))); | |||
1600 | PrevIdx = Idx + 1; | |||
1601 | Fields.add(*DI); | |||
1602 | ++DI; | |||
1603 | } | |||
1604 | } | |||
1605 | ||||
1606 | template <class... As> | |||
1607 | static llvm::GlobalVariable * | |||
1608 | createGlobalStruct(CodeGenModule &CGM, QualType Ty, bool IsConstant, | |||
1609 | ArrayRef<llvm::Constant *> Data, const Twine &Name, | |||
1610 | As &&... Args) { | |||
1611 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | |||
1612 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | |||
1613 | ConstantInitBuilder CIBuilder(CGM); | |||
1614 | ConstantStructBuilder Fields = CIBuilder.beginStruct(RL.getLLVMType()); | |||
1615 | buildStructValue(Fields, CGM, RD, RL, Data); | |||
1616 | return Fields.finishAndCreateGlobal( | |||
1617 | Name, CGM.getContext().getAlignOfGlobalVarInChars(Ty), IsConstant, | |||
1618 | std::forward<As>(Args)...); | |||
1619 | } | |||
1620 | ||||
1621 | template <typename T> | |||
1622 | static void | |||
1623 | createConstantGlobalStructAndAddToParent(CodeGenModule &CGM, QualType Ty, | |||
1624 | ArrayRef<llvm::Constant *> Data, | |||
1625 | T &Parent) { | |||
1626 | const auto *RD = cast<RecordDecl>(Ty->getAsTagDecl()); | |||
1627 | const CGRecordLayout &RL = CGM.getTypes().getCGRecordLayout(RD); | |||
1628 | ConstantStructBuilder Fields = Parent.beginStruct(RL.getLLVMType()); | |||
1629 | buildStructValue(Fields, CGM, RD, RL, Data); | |||
1630 | Fields.finishAndAddTo(Parent); | |||
1631 | } | |||
1632 | ||||
1633 | Address CGOpenMPRuntime::getOrCreateDefaultLocation(unsigned Flags) { | |||
1634 | CharUnits Align = CGM.getContext().getTypeAlignInChars(IdentQTy); | |||
1635 | unsigned Reserved2Flags = getDefaultLocationReserved2Flags(); | |||
1636 | FlagsTy FlagsKey(Flags, Reserved2Flags); | |||
1637 | llvm::Value *Entry = OpenMPDefaultLocMap.lookup(FlagsKey); | |||
1638 | if (!Entry) { | |||
1639 | if (!DefaultOpenMPPSource) { | |||
1640 | // Initialize default location for psource field of ident_t structure of | |||
1641 | // all ident_t objects. Format is ";file;function;line;column;;". | |||
1642 | // Taken from | |||
1643 | // https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp_str.cpp | |||
1644 | DefaultOpenMPPSource = | |||
1645 | CGM.GetAddrOfConstantCString(";unknown;unknown;0;0;;").getPointer(); | |||
1646 | DefaultOpenMPPSource = | |||
1647 | llvm::ConstantExpr::getBitCast(DefaultOpenMPPSource, CGM.Int8PtrTy); | |||
1648 | } | |||
1649 | ||||
1650 | llvm::Constant *Data[] = { | |||
1651 | llvm::ConstantInt::getNullValue(CGM.Int32Ty), | |||
1652 | llvm::ConstantInt::get(CGM.Int32Ty, Flags), | |||
1653 | llvm::ConstantInt::get(CGM.Int32Ty, Reserved2Flags), | |||
1654 | llvm::ConstantInt::getNullValue(CGM.Int32Ty), DefaultOpenMPPSource}; | |||
1655 | llvm::GlobalValue *DefaultOpenMPLocation = | |||
1656 | createGlobalStruct(CGM, IdentQTy, isDefaultLocationConstant(), Data, "", | |||
1657 | llvm::GlobalValue::PrivateLinkage); | |||
1658 | DefaultOpenMPLocation->setUnnamedAddr( | |||
1659 | llvm::GlobalValue::UnnamedAddr::Global); | |||
1660 | ||||
1661 | OpenMPDefaultLocMap[FlagsKey] = Entry = DefaultOpenMPLocation; | |||
1662 | } | |||
1663 | return Address(Entry, Align); | |||
1664 | } | |||
1665 | ||||
1666 | void CGOpenMPRuntime::setLocThreadIdInsertPt(CodeGenFunction &CGF, | |||
1667 | bool AtCurrentPoint) { | |||
1668 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1669 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1669, __PRETTY_FUNCTION__)); | |||
1670 | ||||
1671 | llvm::Value *Undef = llvm::UndefValue::get(CGF.Int32Ty); | |||
1672 | if (AtCurrentPoint) { | |||
1673 | Elem.second.ServiceInsertPt = new llvm::BitCastInst( | |||
1674 | Undef, CGF.Int32Ty, "svcpt", CGF.Builder.GetInsertBlock()); | |||
1675 | } else { | |||
1676 | Elem.second.ServiceInsertPt = | |||
1677 | new llvm::BitCastInst(Undef, CGF.Int32Ty, "svcpt"); | |||
1678 | Elem.second.ServiceInsertPt->insertAfter(CGF.AllocaInsertPt); | |||
1679 | } | |||
1680 | } | |||
1681 | ||||
1682 | void CGOpenMPRuntime::clearLocThreadIdInsertPt(CodeGenFunction &CGF) { | |||
1683 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1684 | if (Elem.second.ServiceInsertPt) { | |||
1685 | llvm::Instruction *Ptr = Elem.second.ServiceInsertPt; | |||
1686 | Elem.second.ServiceInsertPt = nullptr; | |||
1687 | Ptr->eraseFromParent(); | |||
1688 | } | |||
1689 | } | |||
1690 | ||||
1691 | llvm::Value *CGOpenMPRuntime::emitUpdateLocation(CodeGenFunction &CGF, | |||
1692 | SourceLocation Loc, | |||
1693 | unsigned Flags) { | |||
1694 | Flags |= OMP_IDENT_KMPC; | |||
1695 | // If no debug info is generated - return global default location. | |||
1696 | if (CGM.getCodeGenOpts().getDebugInfo() == codegenoptions::NoDebugInfo || | |||
1697 | Loc.isInvalid()) | |||
1698 | return getOrCreateDefaultLocation(Flags).getPointer(); | |||
1699 | ||||
1700 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1700, __PRETTY_FUNCTION__)); | |||
1701 | ||||
1702 | CharUnits Align = CGM.getContext().getTypeAlignInChars(IdentQTy); | |||
1703 | Address LocValue = Address::invalid(); | |||
1704 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | |||
1705 | if (I != OpenMPLocThreadIDMap.end()) | |||
1706 | LocValue = Address(I->second.DebugLoc, Align); | |||
1707 | ||||
1708 | // OpenMPLocThreadIDMap may have null DebugLoc and non-null ThreadID, if | |||
1709 | // GetOpenMPThreadID was called before this routine. | |||
1710 | if (!LocValue.isValid()) { | |||
1711 | // Generate "ident_t .kmpc_loc.addr;" | |||
1712 | Address AI = CGF.CreateMemTemp(IdentQTy, ".kmpc_loc.addr"); | |||
1713 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1714 | Elem.second.DebugLoc = AI.getPointer(); | |||
1715 | LocValue = AI; | |||
1716 | ||||
1717 | if (!Elem.second.ServiceInsertPt) | |||
1718 | setLocThreadIdInsertPt(CGF); | |||
1719 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | |||
1720 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | |||
1721 | CGF.Builder.CreateMemCpy(LocValue, getOrCreateDefaultLocation(Flags), | |||
1722 | CGF.getTypeSize(IdentQTy)); | |||
1723 | } | |||
1724 | ||||
1725 | // char **psource = &.kmpc_loc_<flags>.addr.psource; | |||
1726 | LValue Base = CGF.MakeAddrLValue(LocValue, IdentQTy); | |||
1727 | auto Fields = cast<RecordDecl>(IdentQTy->getAsTagDecl())->field_begin(); | |||
1728 | LValue PSource = | |||
1729 | CGF.EmitLValueForField(Base, *std::next(Fields, IdentField_PSource)); | |||
1730 | ||||
1731 | llvm::Value *OMPDebugLoc = OpenMPDebugLocMap.lookup(Loc.getRawEncoding()); | |||
1732 | if (OMPDebugLoc == nullptr) { | |||
1733 | SmallString<128> Buffer2; | |||
1734 | llvm::raw_svector_ostream OS2(Buffer2); | |||
1735 | // Build debug location | |||
1736 | PresumedLoc PLoc = CGF.getContext().getSourceManager().getPresumedLoc(Loc); | |||
1737 | OS2 << ";" << PLoc.getFilename() << ";"; | |||
1738 | if (const auto *FD = dyn_cast_or_null<FunctionDecl>(CGF.CurFuncDecl)) | |||
1739 | OS2 << FD->getQualifiedNameAsString(); | |||
1740 | OS2 << ";" << PLoc.getLine() << ";" << PLoc.getColumn() << ";;"; | |||
1741 | OMPDebugLoc = CGF.Builder.CreateGlobalStringPtr(OS2.str()); | |||
1742 | OpenMPDebugLocMap[Loc.getRawEncoding()] = OMPDebugLoc; | |||
1743 | } | |||
1744 | // *psource = ";<File>;<Function>;<Line>;<Column>;;"; | |||
1745 | CGF.EmitStoreOfScalar(OMPDebugLoc, PSource); | |||
1746 | ||||
1747 | // Our callers always pass this to a runtime function, so for | |||
1748 | // convenience, go ahead and return a naked pointer. | |||
1749 | return LocValue.getPointer(); | |||
1750 | } | |||
1751 | ||||
1752 | llvm::Value *CGOpenMPRuntime::getThreadID(CodeGenFunction &CGF, | |||
1753 | SourceLocation Loc) { | |||
1754 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1754, __PRETTY_FUNCTION__)); | |||
1755 | ||||
1756 | llvm::Value *ThreadID = nullptr; | |||
1757 | // Check whether we've already cached a load of the thread id in this | |||
1758 | // function. | |||
1759 | auto I = OpenMPLocThreadIDMap.find(CGF.CurFn); | |||
1760 | if (I != OpenMPLocThreadIDMap.end()) { | |||
1761 | ThreadID = I->second.ThreadID; | |||
1762 | if (ThreadID != nullptr) | |||
1763 | return ThreadID; | |||
1764 | } | |||
1765 | // If exceptions are enabled, do not use parameter to avoid possible crash. | |||
1766 | if (auto *OMPRegionInfo = | |||
1767 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
1768 | if (OMPRegionInfo->getThreadIDVariable()) { | |||
1769 | // Check if this an outlined function with thread id passed as argument. | |||
1770 | LValue LVal = OMPRegionInfo->getThreadIDVariableLValue(CGF); | |||
1771 | llvm::BasicBlock *TopBlock = CGF.AllocaInsertPt->getParent(); | |||
1772 | if (!CGF.EHStack.requiresLandingPad() || !CGF.getLangOpts().Exceptions || | |||
1773 | !CGF.getLangOpts().CXXExceptions || | |||
1774 | CGF.Builder.GetInsertBlock() == TopBlock || | |||
1775 | !isa<llvm::Instruction>(LVal.getPointer(CGF)) || | |||
1776 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | |||
1777 | TopBlock || | |||
1778 | cast<llvm::Instruction>(LVal.getPointer(CGF))->getParent() == | |||
1779 | CGF.Builder.GetInsertBlock()) { | |||
1780 | ThreadID = CGF.EmitLoadOfScalar(LVal, Loc); | |||
1781 | // If value loaded in entry block, cache it and use it everywhere in | |||
1782 | // function. | |||
1783 | if (CGF.Builder.GetInsertBlock() == TopBlock) { | |||
1784 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1785 | Elem.second.ThreadID = ThreadID; | |||
1786 | } | |||
1787 | return ThreadID; | |||
1788 | } | |||
1789 | } | |||
1790 | } | |||
1791 | ||||
1792 | // This is not an outlined function region - need to call __kmpc_int32 | |||
1793 | // kmpc_global_thread_num(ident_t *loc). | |||
1794 | // Generate thread id value and cache this value for use across the | |||
1795 | // function. | |||
1796 | auto &Elem = OpenMPLocThreadIDMap.FindAndConstruct(CGF.CurFn); | |||
1797 | if (!Elem.second.ServiceInsertPt) | |||
1798 | setLocThreadIdInsertPt(CGF); | |||
1799 | CGBuilderTy::InsertPointGuard IPG(CGF.Builder); | |||
1800 | CGF.Builder.SetInsertPoint(Elem.second.ServiceInsertPt); | |||
1801 | llvm::CallInst *Call = CGF.Builder.CreateCall( | |||
1802 | createRuntimeFunction(OMPRTL__kmpc_global_thread_num), | |||
1803 | emitUpdateLocation(CGF, Loc)); | |||
1804 | Call->setCallingConv(CGF.getRuntimeCC()); | |||
1805 | Elem.second.ThreadID = Call; | |||
1806 | return Call; | |||
1807 | } | |||
1808 | ||||
1809 | void CGOpenMPRuntime::functionFinished(CodeGenFunction &CGF) { | |||
1810 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 1810, __PRETTY_FUNCTION__)); | |||
1811 | if (OpenMPLocThreadIDMap.count(CGF.CurFn)) { | |||
1812 | clearLocThreadIdInsertPt(CGF); | |||
1813 | OpenMPLocThreadIDMap.erase(CGF.CurFn); | |||
1814 | } | |||
1815 | if (FunctionUDRMap.count(CGF.CurFn) > 0) { | |||
1816 | for(const auto *D : FunctionUDRMap[CGF.CurFn]) | |||
1817 | UDRMap.erase(D); | |||
1818 | FunctionUDRMap.erase(CGF.CurFn); | |||
1819 | } | |||
1820 | auto I = FunctionUDMMap.find(CGF.CurFn); | |||
1821 | if (I != FunctionUDMMap.end()) { | |||
1822 | for(const auto *D : I->second) | |||
1823 | UDMMap.erase(D); | |||
1824 | FunctionUDMMap.erase(I); | |||
1825 | } | |||
1826 | LastprivateConditionalToTypes.erase(CGF.CurFn); | |||
1827 | } | |||
1828 | ||||
1829 | llvm::Type *CGOpenMPRuntime::getIdentTyPointerTy() { | |||
1830 | return IdentTy->getPointerTo(); | |||
1831 | } | |||
1832 | ||||
1833 | llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() { | |||
1834 | if (!Kmpc_MicroTy) { | |||
1835 | // Build void (*kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...) | |||
1836 | llvm::Type *MicroParams[] = {llvm::PointerType::getUnqual(CGM.Int32Ty), | |||
1837 | llvm::PointerType::getUnqual(CGM.Int32Ty)}; | |||
1838 | Kmpc_MicroTy = llvm::FunctionType::get(CGM.VoidTy, MicroParams, true); | |||
1839 | } | |||
1840 | return llvm::PointerType::getUnqual(Kmpc_MicroTy); | |||
1841 | } | |||
1842 | ||||
1843 | llvm::FunctionCallee CGOpenMPRuntime::createRuntimeFunction(unsigned Function) { | |||
1844 | llvm::FunctionCallee RTLFn = nullptr; | |||
1845 | switch (static_cast<OpenMPRTLFunction>(Function)) { | |||
1846 | case OMPRTL__kmpc_fork_call: { | |||
1847 | // Build void __kmpc_fork_call(ident_t *loc, kmp_int32 argc, kmpc_micro | |||
1848 | // microtask, ...); | |||
1849 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
1850 | getKmpc_MicroPointerTy()}; | |||
1851 | auto *FnTy = | |||
1852 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ true); | |||
1853 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_fork_call"); | |||
1854 | if (auto *F = dyn_cast<llvm::Function>(RTLFn.getCallee())) { | |||
1855 | if (!F->hasMetadata(llvm::LLVMContext::MD_callback)) { | |||
1856 | llvm::LLVMContext &Ctx = F->getContext(); | |||
1857 | llvm::MDBuilder MDB(Ctx); | |||
1858 | // Annotate the callback behavior of the __kmpc_fork_call: | |||
1859 | // - The callback callee is argument number 2 (microtask). | |||
1860 | // - The first two arguments of the callback callee are unknown (-1). | |||
1861 | // - All variadic arguments to the __kmpc_fork_call are passed to the | |||
1862 | // callback callee. | |||
1863 | F->addMetadata( | |||
1864 | llvm::LLVMContext::MD_callback, | |||
1865 | *llvm::MDNode::get(Ctx, {MDB.createCallbackEncoding( | |||
1866 | 2, {-1, -1}, | |||
1867 | /* VarArgsArePassed */ true)})); | |||
1868 | } | |||
1869 | } | |||
1870 | break; | |||
1871 | } | |||
1872 | case OMPRTL__kmpc_global_thread_num: { | |||
1873 | // Build kmp_int32 __kmpc_global_thread_num(ident_t *loc); | |||
1874 | llvm::Type *TypeParams[] = {getIdentTyPointerTy()}; | |||
1875 | auto *FnTy = | |||
1876 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
1877 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_global_thread_num"); | |||
1878 | break; | |||
1879 | } | |||
1880 | case OMPRTL__kmpc_threadprivate_cached: { | |||
1881 | // Build void *__kmpc_threadprivate_cached(ident_t *loc, | |||
1882 | // kmp_int32 global_tid, void *data, size_t size, void ***cache); | |||
1883 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
1884 | CGM.VoidPtrTy, CGM.SizeTy, | |||
1885 | CGM.VoidPtrTy->getPointerTo()->getPointerTo()}; | |||
1886 | auto *FnTy = | |||
1887 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg*/ false); | |||
1888 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_threadprivate_cached"); | |||
1889 | break; | |||
1890 | } | |||
1891 | case OMPRTL__kmpc_critical: { | |||
1892 | // Build void __kmpc_critical(ident_t *loc, kmp_int32 global_tid, | |||
1893 | // kmp_critical_name *crit); | |||
1894 | llvm::Type *TypeParams[] = { | |||
1895 | getIdentTyPointerTy(), CGM.Int32Ty, | |||
1896 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
1897 | auto *FnTy = | |||
1898 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1899 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_critical"); | |||
1900 | break; | |||
1901 | } | |||
1902 | case OMPRTL__kmpc_critical_with_hint: { | |||
1903 | // Build void __kmpc_critical_with_hint(ident_t *loc, kmp_int32 global_tid, | |||
1904 | // kmp_critical_name *crit, uintptr_t hint); | |||
1905 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
1906 | llvm::PointerType::getUnqual(KmpCriticalNameTy), | |||
1907 | CGM.IntPtrTy}; | |||
1908 | auto *FnTy = | |||
1909 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1910 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_critical_with_hint"); | |||
1911 | break; | |||
1912 | } | |||
1913 | case OMPRTL__kmpc_threadprivate_register: { | |||
1914 | // Build void __kmpc_threadprivate_register(ident_t *, void *data, | |||
1915 | // kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor); | |||
1916 | // typedef void *(*kmpc_ctor)(void *); | |||
1917 | auto *KmpcCtorTy = | |||
1918 | llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | |||
1919 | /*isVarArg*/ false)->getPointerTo(); | |||
1920 | // typedef void *(*kmpc_cctor)(void *, void *); | |||
1921 | llvm::Type *KmpcCopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
1922 | auto *KmpcCopyCtorTy = | |||
1923 | llvm::FunctionType::get(CGM.VoidPtrTy, KmpcCopyCtorTyArgs, | |||
1924 | /*isVarArg*/ false) | |||
1925 | ->getPointerTo(); | |||
1926 | // typedef void (*kmpc_dtor)(void *); | |||
1927 | auto *KmpcDtorTy = | |||
1928 | llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, /*isVarArg*/ false) | |||
1929 | ->getPointerTo(); | |||
1930 | llvm::Type *FnTyArgs[] = {getIdentTyPointerTy(), CGM.VoidPtrTy, KmpcCtorTy, | |||
1931 | KmpcCopyCtorTy, KmpcDtorTy}; | |||
1932 | auto *FnTy = llvm::FunctionType::get(CGM.VoidTy, FnTyArgs, | |||
1933 | /*isVarArg*/ false); | |||
1934 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_threadprivate_register"); | |||
1935 | break; | |||
1936 | } | |||
1937 | case OMPRTL__kmpc_end_critical: { | |||
1938 | // Build void __kmpc_end_critical(ident_t *loc, kmp_int32 global_tid, | |||
1939 | // kmp_critical_name *crit); | |||
1940 | llvm::Type *TypeParams[] = { | |||
1941 | getIdentTyPointerTy(), CGM.Int32Ty, | |||
1942 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
1943 | auto *FnTy = | |||
1944 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1945 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_critical"); | |||
1946 | break; | |||
1947 | } | |||
1948 | case OMPRTL__kmpc_cancel_barrier: { | |||
1949 | // Build kmp_int32 __kmpc_cancel_barrier(ident_t *loc, kmp_int32 | |||
1950 | // global_tid); | |||
1951 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
1952 | auto *FnTy = | |||
1953 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
1954 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name*/ "__kmpc_cancel_barrier"); | |||
1955 | break; | |||
1956 | } | |||
1957 | case OMPRTL__kmpc_barrier: { | |||
1958 | // Build void __kmpc_barrier(ident_t *loc, kmp_int32 global_tid); | |||
1959 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
1960 | auto *FnTy = | |||
1961 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1962 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name*/ "__kmpc_barrier"); | |||
1963 | break; | |||
1964 | } | |||
1965 | case OMPRTL__kmpc_for_static_fini: { | |||
1966 | // Build void __kmpc_for_static_fini(ident_t *loc, kmp_int32 global_tid); | |||
1967 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
1968 | auto *FnTy = | |||
1969 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1970 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_for_static_fini"); | |||
1971 | break; | |||
1972 | } | |||
1973 | case OMPRTL__kmpc_push_num_threads: { | |||
1974 | // Build void __kmpc_push_num_threads(ident_t *loc, kmp_int32 global_tid, | |||
1975 | // kmp_int32 num_threads) | |||
1976 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
1977 | CGM.Int32Ty}; | |||
1978 | auto *FnTy = | |||
1979 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1980 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_num_threads"); | |||
1981 | break; | |||
1982 | } | |||
1983 | case OMPRTL__kmpc_serialized_parallel: { | |||
1984 | // Build void __kmpc_serialized_parallel(ident_t *loc, kmp_int32 | |||
1985 | // global_tid); | |||
1986 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
1987 | auto *FnTy = | |||
1988 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1989 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_serialized_parallel"); | |||
1990 | break; | |||
1991 | } | |||
1992 | case OMPRTL__kmpc_end_serialized_parallel: { | |||
1993 | // Build void __kmpc_end_serialized_parallel(ident_t *loc, kmp_int32 | |||
1994 | // global_tid); | |||
1995 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
1996 | auto *FnTy = | |||
1997 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
1998 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_serialized_parallel"); | |||
1999 | break; | |||
2000 | } | |||
2001 | case OMPRTL__kmpc_flush: { | |||
2002 | // Build void __kmpc_flush(ident_t *loc); | |||
2003 | llvm::Type *TypeParams[] = {getIdentTyPointerTy()}; | |||
2004 | auto *FnTy = | |||
2005 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2006 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_flush"); | |||
2007 | break; | |||
2008 | } | |||
2009 | case OMPRTL__kmpc_master: { | |||
2010 | // Build kmp_int32 __kmpc_master(ident_t *loc, kmp_int32 global_tid); | |||
2011 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2012 | auto *FnTy = | |||
2013 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2014 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_master"); | |||
2015 | break; | |||
2016 | } | |||
2017 | case OMPRTL__kmpc_end_master: { | |||
2018 | // Build void __kmpc_end_master(ident_t *loc, kmp_int32 global_tid); | |||
2019 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2020 | auto *FnTy = | |||
2021 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2022 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_master"); | |||
2023 | break; | |||
2024 | } | |||
2025 | case OMPRTL__kmpc_omp_taskyield: { | |||
2026 | // Build kmp_int32 __kmpc_omp_taskyield(ident_t *, kmp_int32 global_tid, | |||
2027 | // int end_part); | |||
2028 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | |||
2029 | auto *FnTy = | |||
2030 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2031 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_taskyield"); | |||
2032 | break; | |||
2033 | } | |||
2034 | case OMPRTL__kmpc_single: { | |||
2035 | // Build kmp_int32 __kmpc_single(ident_t *loc, kmp_int32 global_tid); | |||
2036 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2037 | auto *FnTy = | |||
2038 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2039 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_single"); | |||
2040 | break; | |||
2041 | } | |||
2042 | case OMPRTL__kmpc_end_single: { | |||
2043 | // Build void __kmpc_end_single(ident_t *loc, kmp_int32 global_tid); | |||
2044 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2045 | auto *FnTy = | |||
2046 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2047 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_single"); | |||
2048 | break; | |||
2049 | } | |||
2050 | case OMPRTL__kmpc_omp_task_alloc: { | |||
2051 | // Build kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | |||
2052 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | |||
2053 | // kmp_routine_entry_t *task_entry); | |||
2054 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2055, __PRETTY_FUNCTION__)) | |||
2055 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2055, __PRETTY_FUNCTION__)); | |||
2056 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | |||
2057 | CGM.SizeTy, CGM.SizeTy, KmpRoutineEntryPtrTy}; | |||
2058 | // Return void * and then cast to particular kmp_task_t type. | |||
2059 | auto *FnTy = | |||
2060 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | |||
2061 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_alloc"); | |||
2062 | break; | |||
2063 | } | |||
2064 | case OMPRTL__kmpc_omp_target_task_alloc: { | |||
2065 | // Build kmp_task_t *__kmpc_omp_target_task_alloc(ident_t *, kmp_int32 gtid, | |||
2066 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | |||
2067 | // kmp_routine_entry_t *task_entry, kmp_int64 device_id); | |||
2068 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2069, __PRETTY_FUNCTION__)) | |||
2069 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2069, __PRETTY_FUNCTION__)); | |||
2070 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | |||
2071 | CGM.SizeTy, CGM.SizeTy, KmpRoutineEntryPtrTy, | |||
2072 | CGM.Int64Ty}; | |||
2073 | // Return void * and then cast to particular kmp_task_t type. | |||
2074 | auto *FnTy = | |||
2075 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | |||
2076 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_target_task_alloc"); | |||
2077 | break; | |||
2078 | } | |||
2079 | case OMPRTL__kmpc_omp_task: { | |||
2080 | // Build kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | |||
2081 | // *new_task); | |||
2082 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2083 | CGM.VoidPtrTy}; | |||
2084 | auto *FnTy = | |||
2085 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2086 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task"); | |||
2087 | break; | |||
2088 | } | |||
2089 | case OMPRTL__kmpc_copyprivate: { | |||
2090 | // Build void __kmpc_copyprivate(ident_t *loc, kmp_int32 global_tid, | |||
2091 | // size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), | |||
2092 | // kmp_int32 didit); | |||
2093 | llvm::Type *CpyTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2094 | auto *CpyFnTy = | |||
2095 | llvm::FunctionType::get(CGM.VoidTy, CpyTypeParams, /*isVarArg=*/false); | |||
2096 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.SizeTy, | |||
2097 | CGM.VoidPtrTy, CpyFnTy->getPointerTo(), | |||
2098 | CGM.Int32Ty}; | |||
2099 | auto *FnTy = | |||
2100 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2101 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_copyprivate"); | |||
2102 | break; | |||
2103 | } | |||
2104 | case OMPRTL__kmpc_reduce: { | |||
2105 | // Build kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, | |||
2106 | // kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void | |||
2107 | // (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck); | |||
2108 | llvm::Type *ReduceTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2109 | auto *ReduceFnTy = llvm::FunctionType::get(CGM.VoidTy, ReduceTypeParams, | |||
2110 | /*isVarArg=*/false); | |||
2111 | llvm::Type *TypeParams[] = { | |||
2112 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, CGM.SizeTy, | |||
2113 | CGM.VoidPtrTy, ReduceFnTy->getPointerTo(), | |||
2114 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
2115 | auto *FnTy = | |||
2116 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2117 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_reduce"); | |||
2118 | break; | |||
2119 | } | |||
2120 | case OMPRTL__kmpc_reduce_nowait: { | |||
2121 | // Build kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 | |||
2122 | // global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, | |||
2123 | // void (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name | |||
2124 | // *lck); | |||
2125 | llvm::Type *ReduceTypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2126 | auto *ReduceFnTy = llvm::FunctionType::get(CGM.VoidTy, ReduceTypeParams, | |||
2127 | /*isVarArg=*/false); | |||
2128 | llvm::Type *TypeParams[] = { | |||
2129 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, CGM.SizeTy, | |||
2130 | CGM.VoidPtrTy, ReduceFnTy->getPointerTo(), | |||
2131 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
2132 | auto *FnTy = | |||
2133 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2134 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_reduce_nowait"); | |||
2135 | break; | |||
2136 | } | |||
2137 | case OMPRTL__kmpc_end_reduce: { | |||
2138 | // Build void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, | |||
2139 | // kmp_critical_name *lck); | |||
2140 | llvm::Type *TypeParams[] = { | |||
2141 | getIdentTyPointerTy(), CGM.Int32Ty, | |||
2142 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
2143 | auto *FnTy = | |||
2144 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2145 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_reduce"); | |||
2146 | break; | |||
2147 | } | |||
2148 | case OMPRTL__kmpc_end_reduce_nowait: { | |||
2149 | // Build __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, | |||
2150 | // kmp_critical_name *lck); | |||
2151 | llvm::Type *TypeParams[] = { | |||
2152 | getIdentTyPointerTy(), CGM.Int32Ty, | |||
2153 | llvm::PointerType::getUnqual(KmpCriticalNameTy)}; | |||
2154 | auto *FnTy = | |||
2155 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2156 | RTLFn = | |||
2157 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_reduce_nowait"); | |||
2158 | break; | |||
2159 | } | |||
2160 | case OMPRTL__kmpc_omp_task_begin_if0: { | |||
2161 | // Build void __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | |||
2162 | // *new_task); | |||
2163 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2164 | CGM.VoidPtrTy}; | |||
2165 | auto *FnTy = | |||
2166 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2167 | RTLFn = | |||
2168 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_begin_if0"); | |||
2169 | break; | |||
2170 | } | |||
2171 | case OMPRTL__kmpc_omp_task_complete_if0: { | |||
2172 | // Build void __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t | |||
2173 | // *new_task); | |||
2174 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2175 | CGM.VoidPtrTy}; | |||
2176 | auto *FnTy = | |||
2177 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2178 | RTLFn = CGM.CreateRuntimeFunction(FnTy, | |||
2179 | /*Name=*/"__kmpc_omp_task_complete_if0"); | |||
2180 | break; | |||
2181 | } | |||
2182 | case OMPRTL__kmpc_ordered: { | |||
2183 | // Build void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid); | |||
2184 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2185 | auto *FnTy = | |||
2186 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2187 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_ordered"); | |||
2188 | break; | |||
2189 | } | |||
2190 | case OMPRTL__kmpc_end_ordered: { | |||
2191 | // Build void __kmpc_end_ordered(ident_t *loc, kmp_int32 global_tid); | |||
2192 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2193 | auto *FnTy = | |||
2194 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2195 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_ordered"); | |||
2196 | break; | |||
2197 | } | |||
2198 | case OMPRTL__kmpc_omp_taskwait: { | |||
2199 | // Build kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 global_tid); | |||
2200 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2201 | auto *FnTy = | |||
2202 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2203 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_omp_taskwait"); | |||
2204 | break; | |||
2205 | } | |||
2206 | case OMPRTL__kmpc_taskgroup: { | |||
2207 | // Build void __kmpc_taskgroup(ident_t *loc, kmp_int32 global_tid); | |||
2208 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2209 | auto *FnTy = | |||
2210 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2211 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_taskgroup"); | |||
2212 | break; | |||
2213 | } | |||
2214 | case OMPRTL__kmpc_end_taskgroup: { | |||
2215 | // Build void __kmpc_end_taskgroup(ident_t *loc, kmp_int32 global_tid); | |||
2216 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2217 | auto *FnTy = | |||
2218 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2219 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_taskgroup"); | |||
2220 | break; | |||
2221 | } | |||
2222 | case OMPRTL__kmpc_push_proc_bind: { | |||
2223 | // Build void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 global_tid, | |||
2224 | // int proc_bind) | |||
2225 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | |||
2226 | auto *FnTy = | |||
2227 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2228 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_proc_bind"); | |||
2229 | break; | |||
2230 | } | |||
2231 | case OMPRTL__kmpc_omp_task_with_deps: { | |||
2232 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | |||
2233 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | |||
2234 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list); | |||
2235 | llvm::Type *TypeParams[] = { | |||
2236 | getIdentTyPointerTy(), CGM.Int32Ty, CGM.VoidPtrTy, CGM.Int32Ty, | |||
2237 | CGM.VoidPtrTy, CGM.Int32Ty, CGM.VoidPtrTy}; | |||
2238 | auto *FnTy = | |||
2239 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg=*/false); | |||
2240 | RTLFn = | |||
2241 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_task_with_deps"); | |||
2242 | break; | |||
2243 | } | |||
2244 | case OMPRTL__kmpc_omp_wait_deps: { | |||
2245 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | |||
2246 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, | |||
2247 | // kmp_depend_info_t *noalias_dep_list); | |||
2248 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2249 | CGM.Int32Ty, CGM.VoidPtrTy, | |||
2250 | CGM.Int32Ty, CGM.VoidPtrTy}; | |||
2251 | auto *FnTy = | |||
2252 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2253 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_omp_wait_deps"); | |||
2254 | break; | |||
2255 | } | |||
2256 | case OMPRTL__kmpc_cancellationpoint: { | |||
2257 | // Build kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | |||
2258 | // global_tid, kmp_int32 cncl_kind) | |||
2259 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | |||
2260 | auto *FnTy = | |||
2261 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2262 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_cancellationpoint"); | |||
2263 | break; | |||
2264 | } | |||
2265 | case OMPRTL__kmpc_cancel: { | |||
2266 | // Build kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | |||
2267 | // kmp_int32 cncl_kind) | |||
2268 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.IntTy}; | |||
2269 | auto *FnTy = | |||
2270 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2271 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_cancel"); | |||
2272 | break; | |||
2273 | } | |||
2274 | case OMPRTL__kmpc_push_num_teams: { | |||
2275 | // Build void kmpc_push_num_teams (ident_t loc, kmp_int32 global_tid, | |||
2276 | // kmp_int32 num_teams, kmp_int32 num_threads) | |||
2277 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty, | |||
2278 | CGM.Int32Ty}; | |||
2279 | auto *FnTy = | |||
2280 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2281 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_num_teams"); | |||
2282 | break; | |||
2283 | } | |||
2284 | case OMPRTL__kmpc_fork_teams: { | |||
2285 | // Build void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro | |||
2286 | // microtask, ...); | |||
2287 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2288 | getKmpc_MicroPointerTy()}; | |||
2289 | auto *FnTy = | |||
2290 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ true); | |||
2291 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_fork_teams"); | |||
2292 | if (auto *F = dyn_cast<llvm::Function>(RTLFn.getCallee())) { | |||
2293 | if (!F->hasMetadata(llvm::LLVMContext::MD_callback)) { | |||
2294 | llvm::LLVMContext &Ctx = F->getContext(); | |||
2295 | llvm::MDBuilder MDB(Ctx); | |||
2296 | // Annotate the callback behavior of the __kmpc_fork_teams: | |||
2297 | // - The callback callee is argument number 2 (microtask). | |||
2298 | // - The first two arguments of the callback callee are unknown (-1). | |||
2299 | // - All variadic arguments to the __kmpc_fork_teams are passed to the | |||
2300 | // callback callee. | |||
2301 | F->addMetadata( | |||
2302 | llvm::LLVMContext::MD_callback, | |||
2303 | *llvm::MDNode::get(Ctx, {MDB.createCallbackEncoding( | |||
2304 | 2, {-1, -1}, | |||
2305 | /* VarArgsArePassed */ true)})); | |||
2306 | } | |||
2307 | } | |||
2308 | break; | |||
2309 | } | |||
2310 | case OMPRTL__kmpc_taskloop: { | |||
2311 | // Build void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | |||
2312 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | |||
2313 | // sched, kmp_uint64 grainsize, void *task_dup); | |||
2314 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), | |||
2315 | CGM.IntTy, | |||
2316 | CGM.VoidPtrTy, | |||
2317 | CGM.IntTy, | |||
2318 | CGM.Int64Ty->getPointerTo(), | |||
2319 | CGM.Int64Ty->getPointerTo(), | |||
2320 | CGM.Int64Ty, | |||
2321 | CGM.IntTy, | |||
2322 | CGM.IntTy, | |||
2323 | CGM.Int64Ty, | |||
2324 | CGM.VoidPtrTy}; | |||
2325 | auto *FnTy = | |||
2326 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2327 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_taskloop"); | |||
2328 | break; | |||
2329 | } | |||
2330 | case OMPRTL__kmpc_doacross_init: { | |||
2331 | // Build void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, kmp_int32 | |||
2332 | // num_dims, struct kmp_dim *dims); | |||
2333 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), | |||
2334 | CGM.Int32Ty, | |||
2335 | CGM.Int32Ty, | |||
2336 | CGM.VoidPtrTy}; | |||
2337 | auto *FnTy = | |||
2338 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2339 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_init"); | |||
2340 | break; | |||
2341 | } | |||
2342 | case OMPRTL__kmpc_doacross_fini: { | |||
2343 | // Build void __kmpc_doacross_fini(ident_t *loc, kmp_int32 gtid); | |||
2344 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty}; | |||
2345 | auto *FnTy = | |||
2346 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2347 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_fini"); | |||
2348 | break; | |||
2349 | } | |||
2350 | case OMPRTL__kmpc_doacross_post: { | |||
2351 | // Build void __kmpc_doacross_post(ident_t *loc, kmp_int32 gtid, kmp_int64 | |||
2352 | // *vec); | |||
2353 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2354 | CGM.Int64Ty->getPointerTo()}; | |||
2355 | auto *FnTy = | |||
2356 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2357 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_post"); | |||
2358 | break; | |||
2359 | } | |||
2360 | case OMPRTL__kmpc_doacross_wait: { | |||
2361 | // Build void __kmpc_doacross_wait(ident_t *loc, kmp_int32 gtid, kmp_int64 | |||
2362 | // *vec); | |||
2363 | llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, | |||
2364 | CGM.Int64Ty->getPointerTo()}; | |||
2365 | auto *FnTy = | |||
2366 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2367 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_doacross_wait"); | |||
2368 | break; | |||
2369 | } | |||
2370 | case OMPRTL__kmpc_task_reduction_init: { | |||
2371 | // Build void *__kmpc_task_reduction_init(int gtid, int num_data, void | |||
2372 | // *data); | |||
2373 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.IntTy, CGM.VoidPtrTy}; | |||
2374 | auto *FnTy = | |||
2375 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | |||
2376 | RTLFn = | |||
2377 | CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_task_reduction_init"); | |||
2378 | break; | |||
2379 | } | |||
2380 | case OMPRTL__kmpc_task_reduction_get_th_data: { | |||
2381 | // Build void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | |||
2382 | // *d); | |||
2383 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2384 | auto *FnTy = | |||
2385 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | |||
2386 | RTLFn = CGM.CreateRuntimeFunction( | |||
2387 | FnTy, /*Name=*/"__kmpc_task_reduction_get_th_data"); | |||
2388 | break; | |||
2389 | } | |||
2390 | case OMPRTL__kmpc_alloc: { | |||
2391 | // Build to void *__kmpc_alloc(int gtid, size_t sz, omp_allocator_handle_t | |||
2392 | // al); omp_allocator_handle_t type is void *. | |||
2393 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.SizeTy, CGM.VoidPtrTy}; | |||
2394 | auto *FnTy = | |||
2395 | llvm::FunctionType::get(CGM.VoidPtrTy, TypeParams, /*isVarArg=*/false); | |||
2396 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_alloc"); | |||
2397 | break; | |||
2398 | } | |||
2399 | case OMPRTL__kmpc_free: { | |||
2400 | // Build to void __kmpc_free(int gtid, void *ptr, omp_allocator_handle_t | |||
2401 | // al); omp_allocator_handle_t type is void *. | |||
2402 | llvm::Type *TypeParams[] = {CGM.IntTy, CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2403 | auto *FnTy = | |||
2404 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2405 | RTLFn = CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_free"); | |||
2406 | break; | |||
2407 | } | |||
2408 | case OMPRTL__kmpc_push_target_tripcount: { | |||
2409 | // Build void __kmpc_push_target_tripcount(int64_t device_id, kmp_uint64 | |||
2410 | // size); | |||
2411 | llvm::Type *TypeParams[] = {CGM.Int64Ty, CGM.Int64Ty}; | |||
2412 | llvm::FunctionType *FnTy = | |||
2413 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2414 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_target_tripcount"); | |||
2415 | break; | |||
2416 | } | |||
2417 | case OMPRTL__tgt_target: { | |||
2418 | // Build int32_t __tgt_target(int64_t device_id, void *host_ptr, int32_t | |||
2419 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
2420 | // *arg_types); | |||
2421 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2422 | CGM.VoidPtrTy, | |||
2423 | CGM.Int32Ty, | |||
2424 | CGM.VoidPtrPtrTy, | |||
2425 | CGM.VoidPtrPtrTy, | |||
2426 | CGM.Int64Ty->getPointerTo(), | |||
2427 | CGM.Int64Ty->getPointerTo()}; | |||
2428 | auto *FnTy = | |||
2429 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2430 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target"); | |||
2431 | break; | |||
2432 | } | |||
2433 | case OMPRTL__tgt_target_nowait: { | |||
2434 | // Build int32_t __tgt_target_nowait(int64_t device_id, void *host_ptr, | |||
2435 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, | |||
2436 | // int64_t *arg_types); | |||
2437 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2438 | CGM.VoidPtrTy, | |||
2439 | CGM.Int32Ty, | |||
2440 | CGM.VoidPtrPtrTy, | |||
2441 | CGM.VoidPtrPtrTy, | |||
2442 | CGM.Int64Ty->getPointerTo(), | |||
2443 | CGM.Int64Ty->getPointerTo()}; | |||
2444 | auto *FnTy = | |||
2445 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2446 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_nowait"); | |||
2447 | break; | |||
2448 | } | |||
2449 | case OMPRTL__tgt_target_teams: { | |||
2450 | // Build int32_t __tgt_target_teams(int64_t device_id, void *host_ptr, | |||
2451 | // int32_t arg_num, void** args_base, void **args, int64_t *arg_sizes, | |||
2452 | // int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | |||
2453 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2454 | CGM.VoidPtrTy, | |||
2455 | CGM.Int32Ty, | |||
2456 | CGM.VoidPtrPtrTy, | |||
2457 | CGM.VoidPtrPtrTy, | |||
2458 | CGM.Int64Ty->getPointerTo(), | |||
2459 | CGM.Int64Ty->getPointerTo(), | |||
2460 | CGM.Int32Ty, | |||
2461 | CGM.Int32Ty}; | |||
2462 | auto *FnTy = | |||
2463 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2464 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_teams"); | |||
2465 | break; | |||
2466 | } | |||
2467 | case OMPRTL__tgt_target_teams_nowait: { | |||
2468 | // Build int32_t __tgt_target_teams_nowait(int64_t device_id, void | |||
2469 | // *host_ptr, int32_t arg_num, void** args_base, void **args, int64_t | |||
2470 | // *arg_sizes, int64_t *arg_types, int32_t num_teams, int32_t thread_limit); | |||
2471 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2472 | CGM.VoidPtrTy, | |||
2473 | CGM.Int32Ty, | |||
2474 | CGM.VoidPtrPtrTy, | |||
2475 | CGM.VoidPtrPtrTy, | |||
2476 | CGM.Int64Ty->getPointerTo(), | |||
2477 | CGM.Int64Ty->getPointerTo(), | |||
2478 | CGM.Int32Ty, | |||
2479 | CGM.Int32Ty}; | |||
2480 | auto *FnTy = | |||
2481 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2482 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_teams_nowait"); | |||
2483 | break; | |||
2484 | } | |||
2485 | case OMPRTL__tgt_register_requires: { | |||
2486 | // Build void __tgt_register_requires(int64_t flags); | |||
2487 | llvm::Type *TypeParams[] = {CGM.Int64Ty}; | |||
2488 | auto *FnTy = | |||
2489 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2490 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_register_requires"); | |||
2491 | break; | |||
2492 | } | |||
2493 | case OMPRTL__tgt_target_data_begin: { | |||
2494 | // Build void __tgt_target_data_begin(int64_t device_id, int32_t arg_num, | |||
2495 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | |||
2496 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2497 | CGM.Int32Ty, | |||
2498 | CGM.VoidPtrPtrTy, | |||
2499 | CGM.VoidPtrPtrTy, | |||
2500 | CGM.Int64Ty->getPointerTo(), | |||
2501 | CGM.Int64Ty->getPointerTo()}; | |||
2502 | auto *FnTy = | |||
2503 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2504 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_begin"); | |||
2505 | break; | |||
2506 | } | |||
2507 | case OMPRTL__tgt_target_data_begin_nowait: { | |||
2508 | // Build void __tgt_target_data_begin_nowait(int64_t device_id, int32_t | |||
2509 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
2510 | // *arg_types); | |||
2511 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2512 | CGM.Int32Ty, | |||
2513 | CGM.VoidPtrPtrTy, | |||
2514 | CGM.VoidPtrPtrTy, | |||
2515 | CGM.Int64Ty->getPointerTo(), | |||
2516 | CGM.Int64Ty->getPointerTo()}; | |||
2517 | auto *FnTy = | |||
2518 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2519 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_begin_nowait"); | |||
2520 | break; | |||
2521 | } | |||
2522 | case OMPRTL__tgt_target_data_end: { | |||
2523 | // Build void __tgt_target_data_end(int64_t device_id, int32_t arg_num, | |||
2524 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | |||
2525 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2526 | CGM.Int32Ty, | |||
2527 | CGM.VoidPtrPtrTy, | |||
2528 | CGM.VoidPtrPtrTy, | |||
2529 | CGM.Int64Ty->getPointerTo(), | |||
2530 | CGM.Int64Ty->getPointerTo()}; | |||
2531 | auto *FnTy = | |||
2532 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2533 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_end"); | |||
2534 | break; | |||
2535 | } | |||
2536 | case OMPRTL__tgt_target_data_end_nowait: { | |||
2537 | // Build void __tgt_target_data_end_nowait(int64_t device_id, int32_t | |||
2538 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
2539 | // *arg_types); | |||
2540 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2541 | CGM.Int32Ty, | |||
2542 | CGM.VoidPtrPtrTy, | |||
2543 | CGM.VoidPtrPtrTy, | |||
2544 | CGM.Int64Ty->getPointerTo(), | |||
2545 | CGM.Int64Ty->getPointerTo()}; | |||
2546 | auto *FnTy = | |||
2547 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2548 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_end_nowait"); | |||
2549 | break; | |||
2550 | } | |||
2551 | case OMPRTL__tgt_target_data_update: { | |||
2552 | // Build void __tgt_target_data_update(int64_t device_id, int32_t arg_num, | |||
2553 | // void** args_base, void **args, int64_t *arg_sizes, int64_t *arg_types); | |||
2554 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2555 | CGM.Int32Ty, | |||
2556 | CGM.VoidPtrPtrTy, | |||
2557 | CGM.VoidPtrPtrTy, | |||
2558 | CGM.Int64Ty->getPointerTo(), | |||
2559 | CGM.Int64Ty->getPointerTo()}; | |||
2560 | auto *FnTy = | |||
2561 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2562 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_update"); | |||
2563 | break; | |||
2564 | } | |||
2565 | case OMPRTL__tgt_target_data_update_nowait: { | |||
2566 | // Build void __tgt_target_data_update_nowait(int64_t device_id, int32_t | |||
2567 | // arg_num, void** args_base, void **args, int64_t *arg_sizes, int64_t | |||
2568 | // *arg_types); | |||
2569 | llvm::Type *TypeParams[] = {CGM.Int64Ty, | |||
2570 | CGM.Int32Ty, | |||
2571 | CGM.VoidPtrPtrTy, | |||
2572 | CGM.VoidPtrPtrTy, | |||
2573 | CGM.Int64Ty->getPointerTo(), | |||
2574 | CGM.Int64Ty->getPointerTo()}; | |||
2575 | auto *FnTy = | |||
2576 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2577 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_target_data_update_nowait"); | |||
2578 | break; | |||
2579 | } | |||
2580 | case OMPRTL__tgt_mapper_num_components: { | |||
2581 | // Build int64_t __tgt_mapper_num_components(void *rt_mapper_handle); | |||
2582 | llvm::Type *TypeParams[] = {CGM.VoidPtrTy}; | |||
2583 | auto *FnTy = | |||
2584 | llvm::FunctionType::get(CGM.Int64Ty, TypeParams, /*isVarArg*/ false); | |||
2585 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_mapper_num_components"); | |||
2586 | break; | |||
2587 | } | |||
2588 | case OMPRTL__tgt_push_mapper_component: { | |||
2589 | // Build void __tgt_push_mapper_component(void *rt_mapper_handle, void | |||
2590 | // *base, void *begin, int64_t size, int64_t type); | |||
2591 | llvm::Type *TypeParams[] = {CGM.VoidPtrTy, CGM.VoidPtrTy, CGM.VoidPtrTy, | |||
2592 | CGM.Int64Ty, CGM.Int64Ty}; | |||
2593 | auto *FnTy = | |||
2594 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2595 | RTLFn = CGM.CreateRuntimeFunction(FnTy, "__tgt_push_mapper_component"); | |||
2596 | break; | |||
2597 | } | |||
2598 | } | |||
2599 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2599, __PRETTY_FUNCTION__)); | |||
2600 | return RTLFn; | |||
2601 | } | |||
2602 | ||||
2603 | llvm::FunctionCallee | |||
2604 | CGOpenMPRuntime::createForStaticInitFunction(unsigned IVSize, bool IVSigned) { | |||
2605 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2606, __PRETTY_FUNCTION__)) | |||
2606 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2606, __PRETTY_FUNCTION__)); | |||
2607 | StringRef Name = IVSize == 32 ? (IVSigned ? "__kmpc_for_static_init_4" | |||
2608 | : "__kmpc_for_static_init_4u") | |||
2609 | : (IVSigned ? "__kmpc_for_static_init_8" | |||
2610 | : "__kmpc_for_static_init_8u"); | |||
2611 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
2612 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | |||
2613 | llvm::Type *TypeParams[] = { | |||
2614 | getIdentTyPointerTy(), // loc | |||
2615 | CGM.Int32Ty, // tid | |||
2616 | CGM.Int32Ty, // schedtype | |||
2617 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | |||
2618 | PtrTy, // p_lower | |||
2619 | PtrTy, // p_upper | |||
2620 | PtrTy, // p_stride | |||
2621 | ITy, // incr | |||
2622 | ITy // chunk | |||
2623 | }; | |||
2624 | auto *FnTy = | |||
2625 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2626 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
2627 | } | |||
2628 | ||||
2629 | llvm::FunctionCallee | |||
2630 | CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize, bool IVSigned) { | |||
2631 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2632, __PRETTY_FUNCTION__)) | |||
2632 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2632, __PRETTY_FUNCTION__)); | |||
2633 | StringRef Name = | |||
2634 | IVSize == 32 | |||
2635 | ? (IVSigned ? "__kmpc_dispatch_init_4" : "__kmpc_dispatch_init_4u") | |||
2636 | : (IVSigned ? "__kmpc_dispatch_init_8" : "__kmpc_dispatch_init_8u"); | |||
2637 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
2638 | llvm::Type *TypeParams[] = { getIdentTyPointerTy(), // loc | |||
2639 | CGM.Int32Ty, // tid | |||
2640 | CGM.Int32Ty, // schedtype | |||
2641 | ITy, // lower | |||
2642 | ITy, // upper | |||
2643 | ITy, // stride | |||
2644 | ITy // chunk | |||
2645 | }; | |||
2646 | auto *FnTy = | |||
2647 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ false); | |||
2648 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
2649 | } | |||
2650 | ||||
2651 | llvm::FunctionCallee | |||
2652 | CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize, bool IVSigned) { | |||
2653 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2654, __PRETTY_FUNCTION__)) | |||
2654 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2654, __PRETTY_FUNCTION__)); | |||
2655 | StringRef Name = | |||
2656 | IVSize == 32 | |||
2657 | ? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u") | |||
2658 | : (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u"); | |||
2659 | llvm::Type *TypeParams[] = { | |||
2660 | getIdentTyPointerTy(), // loc | |||
2661 | CGM.Int32Ty, // tid | |||
2662 | }; | |||
2663 | auto *FnTy = | |||
2664 | llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false); | |||
2665 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
2666 | } | |||
2667 | ||||
2668 | llvm::FunctionCallee | |||
2669 | CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize, bool IVSigned) { | |||
2670 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2671, __PRETTY_FUNCTION__)) | |||
2671 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2671, __PRETTY_FUNCTION__)); | |||
2672 | StringRef Name = | |||
2673 | IVSize == 32 | |||
2674 | ? (IVSigned ? "__kmpc_dispatch_next_4" : "__kmpc_dispatch_next_4u") | |||
2675 | : (IVSigned ? "__kmpc_dispatch_next_8" : "__kmpc_dispatch_next_8u"); | |||
2676 | llvm::Type *ITy = IVSize == 32 ? CGM.Int32Ty : CGM.Int64Ty; | |||
2677 | auto *PtrTy = llvm::PointerType::getUnqual(ITy); | |||
2678 | llvm::Type *TypeParams[] = { | |||
2679 | getIdentTyPointerTy(), // loc | |||
2680 | CGM.Int32Ty, // tid | |||
2681 | llvm::PointerType::getUnqual(CGM.Int32Ty), // p_lastiter | |||
2682 | PtrTy, // p_lower | |||
2683 | PtrTy, // p_upper | |||
2684 | PtrTy // p_stride | |||
2685 | }; | |||
2686 | auto *FnTy = | |||
2687 | llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false); | |||
2688 | return CGM.CreateRuntimeFunction(FnTy, Name); | |||
2689 | } | |||
2690 | ||||
2691 | /// Obtain information that uniquely identifies a target entry. This | |||
2692 | /// consists of the file and device IDs as well as line number associated with | |||
2693 | /// the relevant entry source location. | |||
2694 | static void getTargetEntryUniqueInfo(ASTContext &C, SourceLocation Loc, | |||
2695 | unsigned &DeviceID, unsigned &FileID, | |||
2696 | unsigned &LineNum) { | |||
2697 | SourceManager &SM = C.getSourceManager(); | |||
2698 | ||||
2699 | // The loc should be always valid and have a file ID (the user cannot use | |||
2700 | // #pragma directives in macros) | |||
2701 | ||||
2702 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2702, __PRETTY_FUNCTION__)); | |||
2703 | ||||
2704 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); | |||
2705 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2705, __PRETTY_FUNCTION__)); | |||
2706 | ||||
2707 | llvm::sys::fs::UniqueID ID; | |||
2708 | if (auto EC = llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) | |||
2709 | SM.getDiagnostics().Report(diag::err_cannot_open_file) | |||
2710 | << PLoc.getFilename() << EC.message(); | |||
2711 | ||||
2712 | DeviceID = ID.getDevice(); | |||
2713 | FileID = ID.getFile(); | |||
2714 | LineNum = PLoc.getLine(); | |||
2715 | } | |||
2716 | ||||
2717 | Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) { | |||
2718 | if (CGM.getLangOpts().OpenMPSimd) | |||
2719 | return Address::invalid(); | |||
2720 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
2721 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
2722 | if (Res && (*Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
2723 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
2724 | HasRequiresUnifiedSharedMemory))) { | |||
2725 | SmallString<64> PtrName; | |||
2726 | { | |||
2727 | llvm::raw_svector_ostream OS(PtrName); | |||
2728 | OS << CGM.getMangledName(GlobalDecl(VD)); | |||
2729 | if (!VD->isExternallyVisible()) { | |||
2730 | unsigned DeviceID, FileID, Line; | |||
2731 | getTargetEntryUniqueInfo(CGM.getContext(), | |||
2732 | VD->getCanonicalDecl()->getBeginLoc(), | |||
2733 | DeviceID, FileID, Line); | |||
2734 | OS << llvm::format("_%x", FileID); | |||
2735 | } | |||
2736 | OS << "_decl_tgt_ref_ptr"; | |||
2737 | } | |||
2738 | llvm::Value *Ptr = CGM.getModule().getNamedValue(PtrName); | |||
2739 | if (!Ptr) { | |||
2740 | QualType PtrTy = CGM.getContext().getPointerType(VD->getType()); | |||
2741 | Ptr = getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(PtrTy), | |||
2742 | PtrName); | |||
2743 | ||||
2744 | auto *GV = cast<llvm::GlobalVariable>(Ptr); | |||
2745 | GV->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | |||
2746 | ||||
2747 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
2748 | GV->setInitializer(CGM.GetAddrOfGlobal(VD)); | |||
2749 | registerTargetGlobalVariable(VD, cast<llvm::Constant>(Ptr)); | |||
2750 | } | |||
2751 | return Address(Ptr, CGM.getContext().getDeclAlign(VD)); | |||
2752 | } | |||
2753 | return Address::invalid(); | |||
2754 | } | |||
2755 | ||||
2756 | llvm::Constant * | |||
2757 | CGOpenMPRuntime::getOrCreateThreadPrivateCache(const VarDecl *VD) { | |||
2758 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2759, __PRETTY_FUNCTION__)) | |||
2759 | !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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 2759, __PRETTY_FUNCTION__)); | |||
2760 | // Lookup the entry, lazily creating it if necessary. | |||
2761 | std::string Suffix = getName({"cache", ""}); | |||
2762 | return getOrCreateInternalVariable( | |||
2763 | CGM.Int8PtrPtrTy, Twine(CGM.getMangledName(VD)).concat(Suffix)); | |||
2764 | } | |||
2765 | ||||
2766 | Address CGOpenMPRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | |||
2767 | const VarDecl *VD, | |||
2768 | Address VDAddr, | |||
2769 | SourceLocation Loc) { | |||
2770 | if (CGM.getLangOpts().OpenMPUseTLS && | |||
2771 | CGM.getContext().getTargetInfo().isTLSSupported()) | |||
2772 | return VDAddr; | |||
2773 | ||||
2774 | llvm::Type *VarTy = VDAddr.getElementType(); | |||
2775 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
2776 | CGF.Builder.CreatePointerCast(VDAddr.getPointer(), | |||
2777 | CGM.Int8PtrTy), | |||
2778 | CGM.getSize(CGM.GetTargetTypeStoreSize(VarTy)), | |||
2779 | getOrCreateThreadPrivateCache(VD)}; | |||
2780 | return Address(CGF.EmitRuntimeCall( | |||
2781 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_cached), Args), | |||
2782 | VDAddr.getAlignment()); | |||
2783 | } | |||
2784 | ||||
2785 | void CGOpenMPRuntime::emitThreadPrivateVarInit( | |||
2786 | CodeGenFunction &CGF, Address VDAddr, llvm::Value *Ctor, | |||
2787 | llvm::Value *CopyCtor, llvm::Value *Dtor, SourceLocation Loc) { | |||
2788 | // Call kmp_int32 __kmpc_global_thread_num(&loc) to init OpenMP runtime | |||
2789 | // library. | |||
2790 | llvm::Value *OMPLoc = emitUpdateLocation(CGF, Loc); | |||
2791 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_global_thread_num), | |||
2792 | OMPLoc); | |||
2793 | // Call __kmpc_threadprivate_register(&loc, &var, ctor, cctor/*NULL*/, dtor) | |||
2794 | // to register constructor/destructor for variable. | |||
2795 | llvm::Value *Args[] = { | |||
2796 | OMPLoc, CGF.Builder.CreatePointerCast(VDAddr.getPointer(), CGM.VoidPtrTy), | |||
2797 | Ctor, CopyCtor, Dtor}; | |||
2798 | CGF.EmitRuntimeCall( | |||
2799 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_register), Args); | |||
2800 | } | |||
2801 | ||||
2802 | llvm::Function *CGOpenMPRuntime::emitThreadPrivateVarDefinition( | |||
2803 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, | |||
2804 | bool PerformInit, CodeGenFunction *CGF) { | |||
2805 | if (CGM.getLangOpts().OpenMPUseTLS && | |||
2806 | CGM.getContext().getTargetInfo().isTLSSupported()) | |||
2807 | return nullptr; | |||
2808 | ||||
2809 | VD = VD->getDefinition(CGM.getContext()); | |||
2810 | if (VD && ThreadPrivateWithDefinition.insert(CGM.getMangledName(VD)).second) { | |||
2811 | QualType ASTTy = VD->getType(); | |||
2812 | ||||
2813 | llvm::Value *Ctor = nullptr, *CopyCtor = nullptr, *Dtor = nullptr; | |||
2814 | const Expr *Init = VD->getAnyInitializer(); | |||
2815 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | |||
2816 | // Generate function that re-emits the declaration's initializer into the | |||
2817 | // threadprivate copy of the variable VD | |||
2818 | CodeGenFunction CtorCGF(CGM); | |||
2819 | FunctionArgList Args; | |||
2820 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | |||
2821 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | |||
2822 | ImplicitParamDecl::Other); | |||
2823 | Args.push_back(&Dst); | |||
2824 | ||||
2825 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | |||
2826 | CGM.getContext().VoidPtrTy, Args); | |||
2827 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
2828 | std::string Name = getName({"__kmpc_global_ctor_", ""}); | |||
2829 | llvm::Function *Fn = | |||
2830 | CGM.CreateGlobalInitOrDestructFunction(FTy, Name, FI, Loc); | |||
2831 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidPtrTy, Fn, FI, | |||
2832 | Args, Loc, Loc); | |||
2833 | llvm::Value *ArgVal = CtorCGF.EmitLoadOfScalar( | |||
2834 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | |||
2835 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
2836 | Address Arg = Address(ArgVal, VDAddr.getAlignment()); | |||
2837 | Arg = CtorCGF.Builder.CreateElementBitCast( | |||
2838 | Arg, CtorCGF.ConvertTypeForMem(ASTTy)); | |||
2839 | CtorCGF.EmitAnyExprToMem(Init, Arg, Init->getType().getQualifiers(), | |||
2840 | /*IsInitializer=*/true); | |||
2841 | ArgVal = CtorCGF.EmitLoadOfScalar( | |||
2842 | CtorCGF.GetAddrOfLocalVar(&Dst), /*Volatile=*/false, | |||
2843 | CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
2844 | CtorCGF.Builder.CreateStore(ArgVal, CtorCGF.ReturnValue); | |||
2845 | CtorCGF.FinishFunction(); | |||
2846 | Ctor = Fn; | |||
2847 | } | |||
2848 | if (VD->getType().isDestructedType() != QualType::DK_none) { | |||
2849 | // Generate function that emits destructor call for the threadprivate copy | |||
2850 | // of the variable VD | |||
2851 | CodeGenFunction DtorCGF(CGM); | |||
2852 | FunctionArgList Args; | |||
2853 | ImplicitParamDecl Dst(CGM.getContext(), /*DC=*/nullptr, Loc, | |||
2854 | /*Id=*/nullptr, CGM.getContext().VoidPtrTy, | |||
2855 | ImplicitParamDecl::Other); | |||
2856 | Args.push_back(&Dst); | |||
2857 | ||||
2858 | const auto &FI = CGM.getTypes().arrangeBuiltinFunctionDeclaration( | |||
2859 | CGM.getContext().VoidTy, Args); | |||
2860 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
2861 | std::string Name = getName({"__kmpc_global_dtor_", ""}); | |||
2862 | llvm::Function *Fn = | |||
2863 | CGM.CreateGlobalInitOrDestructFunction(FTy, Name, FI, Loc); | |||
2864 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | |||
2865 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, Args, | |||
2866 | Loc, Loc); | |||
2867 | // Create a scope with an artificial location for the body of this function. | |||
2868 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | |||
2869 | llvm::Value *ArgVal = DtorCGF.EmitLoadOfScalar( | |||
2870 | DtorCGF.GetAddrOfLocalVar(&Dst), | |||
2871 | /*Volatile=*/false, CGM.getContext().VoidPtrTy, Dst.getLocation()); | |||
2872 | DtorCGF.emitDestroy(Address(ArgVal, VDAddr.getAlignment()), ASTTy, | |||
2873 | DtorCGF.getDestroyer(ASTTy.isDestructedType()), | |||
2874 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | |||
2875 | DtorCGF.FinishFunction(); | |||
2876 | Dtor = Fn; | |||
2877 | } | |||
2878 | // Do not emit init function if it is not required. | |||
2879 | if (!Ctor && !Dtor) | |||
2880 | return nullptr; | |||
2881 | ||||
2882 | llvm::Type *CopyCtorTyArgs[] = {CGM.VoidPtrTy, CGM.VoidPtrTy}; | |||
2883 | auto *CopyCtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CopyCtorTyArgs, | |||
2884 | /*isVarArg=*/false) | |||
2885 | ->getPointerTo(); | |||
2886 | // Copying constructor for the threadprivate variable. | |||
2887 | // Must be NULL - reserved by runtime, but currently it requires that this | |||
2888 | // parameter is always NULL. Otherwise it fires assertion. | |||
2889 | CopyCtor = llvm::Constant::getNullValue(CopyCtorTy); | |||
2890 | if (Ctor == nullptr) { | |||
2891 | auto *CtorTy = llvm::FunctionType::get(CGM.VoidPtrTy, CGM.VoidPtrTy, | |||
2892 | /*isVarArg=*/false) | |||
2893 | ->getPointerTo(); | |||
2894 | Ctor = llvm::Constant::getNullValue(CtorTy); | |||
2895 | } | |||
2896 | if (Dtor == nullptr) { | |||
2897 | auto *DtorTy = llvm::FunctionType::get(CGM.VoidTy, CGM.VoidPtrTy, | |||
2898 | /*isVarArg=*/false) | |||
2899 | ->getPointerTo(); | |||
2900 | Dtor = llvm::Constant::getNullValue(DtorTy); | |||
2901 | } | |||
2902 | if (!CGF) { | |||
2903 | auto *InitFunctionTy = | |||
2904 | llvm::FunctionType::get(CGM.VoidTy, /*isVarArg*/ false); | |||
2905 | std::string Name = getName({"__omp_threadprivate_init_", ""}); | |||
2906 | llvm::Function *InitFunction = CGM.CreateGlobalInitOrDestructFunction( | |||
2907 | InitFunctionTy, Name, CGM.getTypes().arrangeNullaryFunction()); | |||
2908 | CodeGenFunction InitCGF(CGM); | |||
2909 | FunctionArgList ArgList; | |||
2910 | InitCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, InitFunction, | |||
2911 | CGM.getTypes().arrangeNullaryFunction(), ArgList, | |||
2912 | Loc, Loc); | |||
2913 | emitThreadPrivateVarInit(InitCGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | |||
2914 | InitCGF.FinishFunction(); | |||
2915 | return InitFunction; | |||
2916 | } | |||
2917 | emitThreadPrivateVarInit(*CGF, VDAddr, Ctor, CopyCtor, Dtor, Loc); | |||
2918 | } | |||
2919 | return nullptr; | |||
2920 | } | |||
2921 | ||||
2922 | bool CGOpenMPRuntime::emitDeclareTargetVarDefinition(const VarDecl *VD, | |||
2923 | llvm::GlobalVariable *Addr, | |||
2924 | bool PerformInit) { | |||
2925 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | |||
| ||||
2926 | !CGM.getLangOpts().OpenMPIsDevice) | |||
2927 | return false; | |||
2928 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
2929 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
2930 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
2931 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
2932 | HasRequiresUnifiedSharedMemory)) | |||
2933 | return CGM.getLangOpts().OpenMPIsDevice; | |||
2934 | VD = VD->getDefinition(CGM.getContext()); | |||
2935 | if (VD && !DeclareTargetWithDefinition.insert(CGM.getMangledName(VD)).second) | |||
2936 | return CGM.getLangOpts().OpenMPIsDevice; | |||
2937 | ||||
2938 | QualType ASTTy = VD->getType(); | |||
| ||||
2939 | ||||
2940 | SourceLocation Loc = VD->getCanonicalDecl()->getBeginLoc(); | |||
2941 | // Produce the unique prefix to identify the new target regions. We use | |||
2942 | // the source location of the variable declaration which we know to not | |||
2943 | // conflict with any target region. | |||
2944 | unsigned DeviceID; | |||
2945 | unsigned FileID; | |||
2946 | unsigned Line; | |||
2947 | getTargetEntryUniqueInfo(CGM.getContext(), Loc, DeviceID, FileID, Line); | |||
2948 | SmallString<128> Buffer, Out; | |||
2949 | { | |||
2950 | llvm::raw_svector_ostream OS(Buffer); | |||
2951 | OS << "__omp_offloading_" << llvm::format("_%x", DeviceID) | |||
2952 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | |||
2953 | } | |||
2954 | ||||
2955 | const Expr *Init = VD->getAnyInitializer(); | |||
2956 | if (CGM.getLangOpts().CPlusPlus && PerformInit) { | |||
2957 | llvm::Constant *Ctor; | |||
2958 | llvm::Constant *ID; | |||
2959 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
2960 | // Generate function that re-emits the declaration's initializer into | |||
2961 | // the threadprivate copy of the variable VD | |||
2962 | CodeGenFunction CtorCGF(CGM); | |||
2963 | ||||
2964 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | |||
2965 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
2966 | llvm::Function *Fn = CGM.CreateGlobalInitOrDestructFunction( | |||
2967 | FTy, Twine(Buffer, "_ctor"), FI, Loc); | |||
2968 | auto NL = ApplyDebugLocation::CreateEmpty(CtorCGF); | |||
2969 | CtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | |||
2970 | FunctionArgList(), Loc, Loc); | |||
2971 | auto AL = ApplyDebugLocation::CreateArtificial(CtorCGF); | |||
2972 | CtorCGF.EmitAnyExprToMem(Init, | |||
2973 | Address(Addr, CGM.getContext().getDeclAlign(VD)), | |||
2974 | Init->getType().getQualifiers(), | |||
2975 | /*IsInitializer=*/true); | |||
2976 | CtorCGF.FinishFunction(); | |||
2977 | Ctor = Fn; | |||
2978 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | |||
2979 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Ctor)); | |||
2980 | } else { | |||
2981 | Ctor = new llvm::GlobalVariable( | |||
2982 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
2983 | llvm::GlobalValue::PrivateLinkage, | |||
2984 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_ctor")); | |||
2985 | ID = Ctor; | |||
2986 | } | |||
2987 | ||||
2988 | // Register the information for the entry associated with the constructor. | |||
2989 | Out.clear(); | |||
2990 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
2991 | DeviceID, FileID, Twine(Buffer, "_ctor").toStringRef(Out), Line, Ctor, | |||
2992 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryCtor); | |||
2993 | } | |||
2994 | if (VD->getType().isDestructedType() != QualType::DK_none) { | |||
2995 | llvm::Constant *Dtor; | |||
2996 | llvm::Constant *ID; | |||
2997 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
2998 | // Generate function that emits destructor call for the threadprivate | |||
2999 | // copy of the variable VD | |||
3000 | CodeGenFunction DtorCGF(CGM); | |||
3001 | ||||
3002 | const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction(); | |||
3003 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
3004 | llvm::Function *Fn = CGM.CreateGlobalInitOrDestructFunction( | |||
3005 | FTy, Twine(Buffer, "_dtor"), FI, Loc); | |||
3006 | auto NL = ApplyDebugLocation::CreateEmpty(DtorCGF); | |||
3007 | DtorCGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, Fn, FI, | |||
3008 | FunctionArgList(), Loc, Loc); | |||
3009 | // Create a scope with an artificial location for the body of this | |||
3010 | // function. | |||
3011 | auto AL = ApplyDebugLocation::CreateArtificial(DtorCGF); | |||
3012 | DtorCGF.emitDestroy(Address(Addr, CGM.getContext().getDeclAlign(VD)), | |||
3013 | ASTTy, DtorCGF.getDestroyer(ASTTy.isDestructedType()), | |||
3014 | DtorCGF.needsEHCleanup(ASTTy.isDestructedType())); | |||
3015 | DtorCGF.FinishFunction(); | |||
3016 | Dtor = Fn; | |||
3017 | ID = llvm::ConstantExpr::getBitCast(Fn, CGM.Int8PtrTy); | |||
3018 | CGM.addUsedGlobal(cast<llvm::GlobalValue>(Dtor)); | |||
3019 | } else { | |||
3020 | Dtor = new llvm::GlobalVariable( | |||
3021 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
3022 | llvm::GlobalValue::PrivateLinkage, | |||
3023 | llvm::Constant::getNullValue(CGM.Int8Ty), Twine(Buffer, "_dtor")); | |||
3024 | ID = Dtor; | |||
3025 | } | |||
3026 | // Register the information for the entry associated with the destructor. | |||
3027 | Out.clear(); | |||
3028 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
3029 | DeviceID, FileID, Twine(Buffer, "_dtor").toStringRef(Out), Line, Dtor, | |||
3030 | ID, OffloadEntriesInfoManagerTy::OMPTargetRegionEntryDtor); | |||
3031 | } | |||
3032 | return CGM.getLangOpts().OpenMPIsDevice; | |||
3033 | } | |||
3034 | ||||
3035 | Address CGOpenMPRuntime::getAddrOfArtificialThreadPrivate(CodeGenFunction &CGF, | |||
3036 | QualType VarType, | |||
3037 | StringRef Name) { | |||
3038 | std::string Suffix = getName({"artificial", ""}); | |||
3039 | llvm::Type *VarLVType = CGF.ConvertTypeForMem(VarType); | |||
3040 | llvm::Value *GAddr = | |||
3041 | getOrCreateInternalVariable(VarLVType, Twine(Name).concat(Suffix)); | |||
3042 | if (CGM.getLangOpts().OpenMP && CGM.getLangOpts().OpenMPUseTLS && | |||
3043 | CGM.getTarget().isTLSSupported()) { | |||
3044 | cast<llvm::GlobalVariable>(GAddr)->setThreadLocal(/*Val=*/true); | |||
3045 | return Address(GAddr, CGM.getContext().getTypeAlignInChars(VarType)); | |||
3046 | } | |||
3047 | std::string CacheSuffix = getName({"cache", ""}); | |||
3048 | llvm::Value *Args[] = { | |||
3049 | emitUpdateLocation(CGF, SourceLocation()), | |||
3050 | getThreadID(CGF, SourceLocation()), | |||
3051 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy), | |||
3052 | CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy, | |||
3053 | /*isSigned=*/false), | |||
3054 | getOrCreateInternalVariable( | |||
3055 | CGM.VoidPtrPtrTy, Twine(Name).concat(Suffix).concat(CacheSuffix))}; | |||
3056 | return Address( | |||
3057 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3058 | CGF.EmitRuntimeCall( | |||
3059 | createRuntimeFunction(OMPRTL__kmpc_threadprivate_cached), Args), | |||
3060 | VarLVType->getPointerTo(/*AddrSpace=*/0)), | |||
3061 | CGM.getContext().getTypeAlignInChars(VarType)); | |||
3062 | } | |||
3063 | ||||
3064 | void CGOpenMPRuntime::emitIfClause(CodeGenFunction &CGF, const Expr *Cond, | |||
3065 | const RegionCodeGenTy &ThenGen, | |||
3066 | const RegionCodeGenTy &ElseGen) { | |||
3067 | CodeGenFunction::LexicalScope ConditionScope(CGF, Cond->getSourceRange()); | |||
3068 | ||||
3069 | // If the condition constant folds and can be elided, try to avoid emitting | |||
3070 | // the condition and the dead arm of the if/else. | |||
3071 | bool CondConstant; | |||
3072 | if (CGF.ConstantFoldsToSimpleInteger(Cond, CondConstant)) { | |||
3073 | if (CondConstant) | |||
3074 | ThenGen(CGF); | |||
3075 | else | |||
3076 | ElseGen(CGF); | |||
3077 | return; | |||
3078 | } | |||
3079 | ||||
3080 | // Otherwise, the condition did not fold, or we couldn't elide it. Just | |||
3081 | // emit the conditional branch. | |||
3082 | llvm::BasicBlock *ThenBlock = CGF.createBasicBlock("omp_if.then"); | |||
3083 | llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); | |||
3084 | llvm::BasicBlock *ContBlock = CGF.createBasicBlock("omp_if.end"); | |||
3085 | CGF.EmitBranchOnBoolExpr(Cond, ThenBlock, ElseBlock, /*TrueCount=*/0); | |||
3086 | ||||
3087 | // Emit the 'then' code. | |||
3088 | CGF.EmitBlock(ThenBlock); | |||
3089 | ThenGen(CGF); | |||
3090 | CGF.EmitBranch(ContBlock); | |||
3091 | // Emit the 'else' code if present. | |||
3092 | // There is no need to emit line number for unconditional branch. | |||
3093 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
3094 | CGF.EmitBlock(ElseBlock); | |||
3095 | ElseGen(CGF); | |||
3096 | // There is no need to emit line number for unconditional branch. | |||
3097 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
3098 | CGF.EmitBranch(ContBlock); | |||
3099 | // Emit the continuation block for code after the if. | |||
3100 | CGF.EmitBlock(ContBlock, /*IsFinished=*/true); | |||
3101 | } | |||
3102 | ||||
3103 | void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
3104 | llvm::Function *OutlinedFn, | |||
3105 | ArrayRef<llvm::Value *> CapturedVars, | |||
3106 | const Expr *IfCond) { | |||
3107 | if (!CGF.HaveInsertPoint()) | |||
3108 | return; | |||
3109 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
3110 | auto &&ThenGen = [OutlinedFn, CapturedVars, RTLoc](CodeGenFunction &CGF, | |||
3111 | PrePostActionTy &) { | |||
3112 | // Build call __kmpc_fork_call(loc, n, microtask, var1, .., varn); | |||
3113 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
3114 | llvm::Value *Args[] = { | |||
3115 | RTLoc, | |||
3116 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | |||
3117 | CGF.Builder.CreateBitCast(OutlinedFn, RT.getKmpc_MicroPointerTy())}; | |||
3118 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | |||
3119 | RealArgs.append(std::begin(Args), std::end(Args)); | |||
3120 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
3121 | ||||
3122 | llvm::FunctionCallee RTLFn = | |||
3123 | RT.createRuntimeFunction(OMPRTL__kmpc_fork_call); | |||
3124 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | |||
3125 | }; | |||
3126 | auto &&ElseGen = [OutlinedFn, CapturedVars, RTLoc, Loc](CodeGenFunction &CGF, | |||
3127 | PrePostActionTy &) { | |||
3128 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
3129 | llvm::Value *ThreadID = RT.getThreadID(CGF, Loc); | |||
3130 | // Build calls: | |||
3131 | // __kmpc_serialized_parallel(&Loc, GTid); | |||
3132 | llvm::Value *Args[] = {RTLoc, ThreadID}; | |||
3133 | CGF.EmitRuntimeCall( | |||
3134 | RT.createRuntimeFunction(OMPRTL__kmpc_serialized_parallel), Args); | |||
3135 | ||||
3136 | // OutlinedFn(>id, &zero_bound, CapturedStruct); | |||
3137 | Address ThreadIDAddr = RT.emitThreadIDAddress(CGF, Loc); | |||
3138 | Address ZeroAddrBound = | |||
3139 | CGF.CreateDefaultAlignTempAlloca(CGF.Int32Ty, | |||
3140 | /*Name=*/".bound.zero.addr"); | |||
3141 | CGF.InitTempAlloca(ZeroAddrBound, CGF.Builder.getInt32(/*C*/ 0)); | |||
3142 | llvm::SmallVector<llvm::Value *, 16> OutlinedFnArgs; | |||
3143 | // ThreadId for serialized parallels is 0. | |||
3144 | OutlinedFnArgs.push_back(ThreadIDAddr.getPointer()); | |||
3145 | OutlinedFnArgs.push_back(ZeroAddrBound.getPointer()); | |||
3146 | OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
3147 | RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs); | |||
3148 | ||||
3149 | // __kmpc_end_serialized_parallel(&Loc, GTid); | |||
3150 | llvm::Value *EndArgs[] = {RT.emitUpdateLocation(CGF, Loc), ThreadID}; | |||
3151 | CGF.EmitRuntimeCall( | |||
3152 | RT.createRuntimeFunction(OMPRTL__kmpc_end_serialized_parallel), | |||
3153 | EndArgs); | |||
3154 | }; | |||
3155 | if (IfCond) { | |||
3156 | emitIfClause(CGF, IfCond, ThenGen, ElseGen); | |||
3157 | } else { | |||
3158 | RegionCodeGenTy ThenRCG(ThenGen); | |||
3159 | ThenRCG(CGF); | |||
3160 | } | |||
3161 | } | |||
3162 | ||||
3163 | // If we're inside an (outlined) parallel region, use the region info's | |||
3164 | // thread-ID variable (it is passed in a first argument of the outlined function | |||
3165 | // as "kmp_int32 *gtid"). Otherwise, if we're not inside parallel region, but in | |||
3166 | // regular serial code region, get thread ID by calling kmp_int32 | |||
3167 | // kmpc_global_thread_num(ident_t *loc), stash this thread ID in a temporary and | |||
3168 | // return the address of that temp. | |||
3169 | Address CGOpenMPRuntime::emitThreadIDAddress(CodeGenFunction &CGF, | |||
3170 | SourceLocation Loc) { | |||
3171 | if (auto *OMPRegionInfo = | |||
3172 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
3173 | if (OMPRegionInfo->getThreadIDVariable()) | |||
3174 | return OMPRegionInfo->getThreadIDVariableLValue(CGF).getAddress(CGF); | |||
3175 | ||||
3176 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
3177 | QualType Int32Ty = | |||
3178 | CGF.getContext().getIntTypeForBitwidth(/*DestWidth*/ 32, /*Signed*/ true); | |||
3179 | Address ThreadIDTemp = CGF.CreateMemTemp(Int32Ty, /*Name*/ ".threadid_temp."); | |||
3180 | CGF.EmitStoreOfScalar(ThreadID, | |||
3181 | CGF.MakeAddrLValue(ThreadIDTemp, Int32Ty)); | |||
3182 | ||||
3183 | return ThreadIDTemp; | |||
3184 | } | |||
3185 | ||||
3186 | llvm::Constant *CGOpenMPRuntime::getOrCreateInternalVariable( | |||
3187 | llvm::Type *Ty, const llvm::Twine &Name, unsigned AddressSpace) { | |||
3188 | SmallString<256> Buffer; | |||
3189 | llvm::raw_svector_ostream Out(Buffer); | |||
3190 | Out << Name; | |||
3191 | StringRef RuntimeName = Out.str(); | |||
3192 | auto &Elem = *InternalVars.try_emplace(RuntimeName, nullptr).first; | |||
3193 | if (Elem.second) { | |||
3194 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3195, __PRETTY_FUNCTION__)) | |||
3195 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3195, __PRETTY_FUNCTION__)); | |||
3196 | return &*Elem.second; | |||
3197 | } | |||
3198 | ||||
3199 | return Elem.second = new llvm::GlobalVariable( | |||
3200 | CGM.getModule(), Ty, /*IsConstant*/ false, | |||
3201 | llvm::GlobalValue::CommonLinkage, llvm::Constant::getNullValue(Ty), | |||
3202 | Elem.first(), /*InsertBefore=*/nullptr, | |||
3203 | llvm::GlobalValue::NotThreadLocal, AddressSpace); | |||
3204 | } | |||
3205 | ||||
3206 | llvm::Value *CGOpenMPRuntime::getCriticalRegionLock(StringRef CriticalName) { | |||
3207 | std::string Prefix = Twine("gomp_critical_user_", CriticalName).str(); | |||
3208 | std::string Name = getName({Prefix, "var"}); | |||
3209 | return getOrCreateInternalVariable(KmpCriticalNameTy, Name); | |||
3210 | } | |||
3211 | ||||
3212 | namespace { | |||
3213 | /// Common pre(post)-action for different OpenMP constructs. | |||
3214 | class CommonActionTy final : public PrePostActionTy { | |||
3215 | llvm::FunctionCallee EnterCallee; | |||
3216 | ArrayRef<llvm::Value *> EnterArgs; | |||
3217 | llvm::FunctionCallee ExitCallee; | |||
3218 | ArrayRef<llvm::Value *> ExitArgs; | |||
3219 | bool Conditional; | |||
3220 | llvm::BasicBlock *ContBlock = nullptr; | |||
3221 | ||||
3222 | public: | |||
3223 | CommonActionTy(llvm::FunctionCallee EnterCallee, | |||
3224 | ArrayRef<llvm::Value *> EnterArgs, | |||
3225 | llvm::FunctionCallee ExitCallee, | |||
3226 | ArrayRef<llvm::Value *> ExitArgs, bool Conditional = false) | |||
3227 | : EnterCallee(EnterCallee), EnterArgs(EnterArgs), ExitCallee(ExitCallee), | |||
3228 | ExitArgs(ExitArgs), Conditional(Conditional) {} | |||
3229 | void Enter(CodeGenFunction &CGF) override { | |||
3230 | llvm::Value *EnterRes = CGF.EmitRuntimeCall(EnterCallee, EnterArgs); | |||
3231 | if (Conditional) { | |||
3232 | llvm::Value *CallBool = CGF.Builder.CreateIsNotNull(EnterRes); | |||
3233 | auto *ThenBlock = CGF.createBasicBlock("omp_if.then"); | |||
3234 | ContBlock = CGF.createBasicBlock("omp_if.end"); | |||
3235 | // Generate the branch (If-stmt) | |||
3236 | CGF.Builder.CreateCondBr(CallBool, ThenBlock, ContBlock); | |||
3237 | CGF.EmitBlock(ThenBlock); | |||
3238 | } | |||
3239 | } | |||
3240 | void Done(CodeGenFunction &CGF) { | |||
3241 | // Emit the rest of blocks/branches | |||
3242 | CGF.EmitBranch(ContBlock); | |||
3243 | CGF.EmitBlock(ContBlock, true); | |||
3244 | } | |||
3245 | void Exit(CodeGenFunction &CGF) override { | |||
3246 | CGF.EmitRuntimeCall(ExitCallee, ExitArgs); | |||
3247 | } | |||
3248 | }; | |||
3249 | } // anonymous namespace | |||
3250 | ||||
3251 | void CGOpenMPRuntime::emitCriticalRegion(CodeGenFunction &CGF, | |||
3252 | StringRef CriticalName, | |||
3253 | const RegionCodeGenTy &CriticalOpGen, | |||
3254 | SourceLocation Loc, const Expr *Hint) { | |||
3255 | // __kmpc_critical[_with_hint](ident_t *, gtid, Lock[, hint]); | |||
3256 | // CriticalOpGen(); | |||
3257 | // __kmpc_end_critical(ident_t *, gtid, Lock); | |||
3258 | // Prepare arguments and build a call to __kmpc_critical | |||
3259 | if (!CGF.HaveInsertPoint()) | |||
3260 | return; | |||
3261 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
3262 | getCriticalRegionLock(CriticalName)}; | |||
3263 | llvm::SmallVector<llvm::Value *, 4> EnterArgs(std::begin(Args), | |||
3264 | std::end(Args)); | |||
3265 | if (Hint) { | |||
3266 | EnterArgs.push_back(CGF.Builder.CreateIntCast( | |||
3267 | CGF.EmitScalarExpr(Hint), CGM.IntPtrTy, /*isSigned=*/false)); | |||
3268 | } | |||
3269 | CommonActionTy Action( | |||
3270 | createRuntimeFunction(Hint ? OMPRTL__kmpc_critical_with_hint | |||
3271 | : OMPRTL__kmpc_critical), | |||
3272 | EnterArgs, createRuntimeFunction(OMPRTL__kmpc_end_critical), Args); | |||
3273 | CriticalOpGen.setAction(Action); | |||
3274 | emitInlinedDirective(CGF, OMPD_critical, CriticalOpGen); | |||
3275 | } | |||
3276 | ||||
3277 | void CGOpenMPRuntime::emitMasterRegion(CodeGenFunction &CGF, | |||
3278 | const RegionCodeGenTy &MasterOpGen, | |||
3279 | SourceLocation Loc) { | |||
3280 | if (!CGF.HaveInsertPoint()) | |||
3281 | return; | |||
3282 | // if(__kmpc_master(ident_t *, gtid)) { | |||
3283 | // MasterOpGen(); | |||
3284 | // __kmpc_end_master(ident_t *, gtid); | |||
3285 | // } | |||
3286 | // Prepare arguments and build a call to __kmpc_master | |||
3287 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
3288 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_master), Args, | |||
3289 | createRuntimeFunction(OMPRTL__kmpc_end_master), Args, | |||
3290 | /*Conditional=*/true); | |||
3291 | MasterOpGen.setAction(Action); | |||
3292 | emitInlinedDirective(CGF, OMPD_master, MasterOpGen); | |||
3293 | Action.Done(CGF); | |||
3294 | } | |||
3295 | ||||
3296 | void CGOpenMPRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | |||
3297 | SourceLocation Loc) { | |||
3298 | if (!CGF.HaveInsertPoint()) | |||
3299 | return; | |||
3300 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | |||
3301 | if (OMPBuilder) { | |||
3302 | OMPBuilder->CreateTaskyield(CGF.Builder); | |||
3303 | } else { | |||
3304 | // Build call __kmpc_omp_taskyield(loc, thread_id, 0); | |||
3305 | llvm::Value *Args[] = { | |||
3306 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
3307 | llvm::ConstantInt::get(CGM.IntTy, /*V=*/0, /*isSigned=*/true)}; | |||
3308 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_taskyield), | |||
3309 | Args); | |||
3310 | } | |||
3311 | ||||
3312 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
3313 | Region->emitUntiedSwitch(CGF); | |||
3314 | } | |||
3315 | ||||
3316 | void CGOpenMPRuntime::emitTaskgroupRegion(CodeGenFunction &CGF, | |||
3317 | const RegionCodeGenTy &TaskgroupOpGen, | |||
3318 | SourceLocation Loc) { | |||
3319 | if (!CGF.HaveInsertPoint()) | |||
3320 | return; | |||
3321 | // __kmpc_taskgroup(ident_t *, gtid); | |||
3322 | // TaskgroupOpGen(); | |||
3323 | // __kmpc_end_taskgroup(ident_t *, gtid); | |||
3324 | // Prepare arguments and build a call to __kmpc_taskgroup | |||
3325 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
3326 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_taskgroup), Args, | |||
3327 | createRuntimeFunction(OMPRTL__kmpc_end_taskgroup), | |||
3328 | Args); | |||
3329 | TaskgroupOpGen.setAction(Action); | |||
3330 | emitInlinedDirective(CGF, OMPD_taskgroup, TaskgroupOpGen); | |||
3331 | } | |||
3332 | ||||
3333 | /// Given an array of pointers to variables, project the address of a | |||
3334 | /// given variable. | |||
3335 | static Address emitAddrOfVarFromArray(CodeGenFunction &CGF, Address Array, | |||
3336 | unsigned Index, const VarDecl *Var) { | |||
3337 | // Pull out the pointer to the variable. | |||
3338 | Address PtrAddr = CGF.Builder.CreateConstArrayGEP(Array, Index); | |||
3339 | llvm::Value *Ptr = CGF.Builder.CreateLoad(PtrAddr); | |||
3340 | ||||
3341 | Address Addr = Address(Ptr, CGF.getContext().getDeclAlign(Var)); | |||
3342 | Addr = CGF.Builder.CreateElementBitCast( | |||
3343 | Addr, CGF.ConvertTypeForMem(Var->getType())); | |||
3344 | return Addr; | |||
3345 | } | |||
3346 | ||||
3347 | static llvm::Value *emitCopyprivateCopyFunction( | |||
3348 | CodeGenModule &CGM, llvm::Type *ArgsType, | |||
3349 | ArrayRef<const Expr *> CopyprivateVars, ArrayRef<const Expr *> DestExprs, | |||
3350 | ArrayRef<const Expr *> SrcExprs, ArrayRef<const Expr *> AssignmentOps, | |||
3351 | SourceLocation Loc) { | |||
3352 | ASTContext &C = CGM.getContext(); | |||
3353 | // void copy_func(void *LHSArg, void *RHSArg); | |||
3354 | FunctionArgList Args; | |||
3355 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
3356 | ImplicitParamDecl::Other); | |||
3357 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
3358 | ImplicitParamDecl::Other); | |||
3359 | Args.push_back(&LHSArg); | |||
3360 | Args.push_back(&RHSArg); | |||
3361 | const auto &CGFI = | |||
3362 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
3363 | std::string Name = | |||
3364 | CGM.getOpenMPRuntime().getName({"omp", "copyprivate", "copy_func"}); | |||
3365 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | |||
3366 | llvm::GlobalValue::InternalLinkage, Name, | |||
3367 | &CGM.getModule()); | |||
3368 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | |||
3369 | Fn->setDoesNotRecurse(); | |||
3370 | CodeGenFunction CGF(CGM); | |||
3371 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | |||
3372 | // Dest = (void*[n])(LHSArg); | |||
3373 | // Src = (void*[n])(RHSArg); | |||
3374 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3375 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | |||
3376 | ArgsType), CGF.getPointerAlign()); | |||
3377 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3378 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | |||
3379 | ArgsType), CGF.getPointerAlign()); | |||
3380 | // *(Type0*)Dst[0] = *(Type0*)Src[0]; | |||
3381 | // *(Type1*)Dst[1] = *(Type1*)Src[1]; | |||
3382 | // ... | |||
3383 | // *(Typen*)Dst[n] = *(Typen*)Src[n]; | |||
3384 | for (unsigned I = 0, E = AssignmentOps.size(); I < E; ++I) { | |||
3385 | const auto *DestVar = | |||
3386 | cast<VarDecl>(cast<DeclRefExpr>(DestExprs[I])->getDecl()); | |||
3387 | Address DestAddr = emitAddrOfVarFromArray(CGF, LHS, I, DestVar); | |||
3388 | ||||
3389 | const auto *SrcVar = | |||
3390 | cast<VarDecl>(cast<DeclRefExpr>(SrcExprs[I])->getDecl()); | |||
3391 | Address SrcAddr = emitAddrOfVarFromArray(CGF, RHS, I, SrcVar); | |||
3392 | ||||
3393 | const auto *VD = cast<DeclRefExpr>(CopyprivateVars[I])->getDecl(); | |||
3394 | QualType Type = VD->getType(); | |||
3395 | CGF.EmitOMPCopy(Type, DestAddr, SrcAddr, DestVar, SrcVar, AssignmentOps[I]); | |||
3396 | } | |||
3397 | CGF.FinishFunction(); | |||
3398 | return Fn; | |||
3399 | } | |||
3400 | ||||
3401 | void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF, | |||
3402 | const RegionCodeGenTy &SingleOpGen, | |||
3403 | SourceLocation Loc, | |||
3404 | ArrayRef<const Expr *> CopyprivateVars, | |||
3405 | ArrayRef<const Expr *> SrcExprs, | |||
3406 | ArrayRef<const Expr *> DstExprs, | |||
3407 | ArrayRef<const Expr *> AssignmentOps) { | |||
3408 | if (!CGF.HaveInsertPoint()) | |||
3409 | return; | |||
3410 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3412, __PRETTY_FUNCTION__)) | |||
3411 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3412, __PRETTY_FUNCTION__)) | |||
3412 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3412, __PRETTY_FUNCTION__)); | |||
3413 | ASTContext &C = CGM.getContext(); | |||
3414 | // int32 did_it = 0; | |||
3415 | // if(__kmpc_single(ident_t *, gtid)) { | |||
3416 | // SingleOpGen(); | |||
3417 | // __kmpc_end_single(ident_t *, gtid); | |||
3418 | // did_it = 1; | |||
3419 | // } | |||
3420 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | |||
3421 | // <copy_func>, did_it); | |||
3422 | ||||
3423 | Address DidIt = Address::invalid(); | |||
3424 | if (!CopyprivateVars.empty()) { | |||
3425 | // int32 did_it = 0; | |||
3426 | QualType KmpInt32Ty = | |||
3427 | C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
3428 | DidIt = CGF.CreateMemTemp(KmpInt32Ty, ".omp.copyprivate.did_it"); | |||
3429 | CGF.Builder.CreateStore(CGF.Builder.getInt32(0), DidIt); | |||
3430 | } | |||
3431 | // Prepare arguments and build a call to __kmpc_single | |||
3432 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
3433 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_single), Args, | |||
3434 | createRuntimeFunction(OMPRTL__kmpc_end_single), Args, | |||
3435 | /*Conditional=*/true); | |||
3436 | SingleOpGen.setAction(Action); | |||
3437 | emitInlinedDirective(CGF, OMPD_single, SingleOpGen); | |||
3438 | if (DidIt.isValid()) { | |||
3439 | // did_it = 1; | |||
3440 | CGF.Builder.CreateStore(CGF.Builder.getInt32(1), DidIt); | |||
3441 | } | |||
3442 | Action.Done(CGF); | |||
3443 | // call __kmpc_copyprivate(ident_t *, gtid, <buf_size>, <copyprivate list>, | |||
3444 | // <copy_func>, did_it); | |||
3445 | if (DidIt.isValid()) { | |||
3446 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, CopyprivateVars.size()); | |||
3447 | QualType CopyprivateArrayTy = C.getConstantArrayType( | |||
3448 | C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | |||
3449 | /*IndexTypeQuals=*/0); | |||
3450 | // Create a list of all private variables for copyprivate. | |||
3451 | Address CopyprivateList = | |||
3452 | CGF.CreateMemTemp(CopyprivateArrayTy, ".omp.copyprivate.cpr_list"); | |||
3453 | for (unsigned I = 0, E = CopyprivateVars.size(); I < E; ++I) { | |||
3454 | Address Elem = CGF.Builder.CreateConstArrayGEP(CopyprivateList, I); | |||
3455 | CGF.Builder.CreateStore( | |||
3456 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
3457 | CGF.EmitLValue(CopyprivateVars[I]).getPointer(CGF), | |||
3458 | CGF.VoidPtrTy), | |||
3459 | Elem); | |||
3460 | } | |||
3461 | // Build function that copies private values from single region to all other | |||
3462 | // threads in the corresponding parallel region. | |||
3463 | llvm::Value *CpyFn = emitCopyprivateCopyFunction( | |||
3464 | CGM, CGF.ConvertTypeForMem(CopyprivateArrayTy)->getPointerTo(), | |||
3465 | CopyprivateVars, SrcExprs, DstExprs, AssignmentOps, Loc); | |||
3466 | llvm::Value *BufSize = CGF.getTypeSize(CopyprivateArrayTy); | |||
3467 | Address CL = | |||
3468 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(CopyprivateList, | |||
3469 | CGF.VoidPtrTy); | |||
3470 | llvm::Value *DidItVal = CGF.Builder.CreateLoad(DidIt); | |||
3471 | llvm::Value *Args[] = { | |||
3472 | emitUpdateLocation(CGF, Loc), // ident_t *<loc> | |||
3473 | getThreadID(CGF, Loc), // i32 <gtid> | |||
3474 | BufSize, // size_t <buf_size> | |||
3475 | CL.getPointer(), // void *<copyprivate list> | |||
3476 | CpyFn, // void (*) (void *, void *) <copy_func> | |||
3477 | DidItVal // i32 did_it | |||
3478 | }; | |||
3479 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_copyprivate), Args); | |||
3480 | } | |||
3481 | } | |||
3482 | ||||
3483 | void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF, | |||
3484 | const RegionCodeGenTy &OrderedOpGen, | |||
3485 | SourceLocation Loc, bool IsThreads) { | |||
3486 | if (!CGF.HaveInsertPoint()) | |||
3487 | return; | |||
3488 | // __kmpc_ordered(ident_t *, gtid); | |||
3489 | // OrderedOpGen(); | |||
3490 | // __kmpc_end_ordered(ident_t *, gtid); | |||
3491 | // Prepare arguments and build a call to __kmpc_ordered | |||
3492 | if (IsThreads) { | |||
3493 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
3494 | CommonActionTy Action(createRuntimeFunction(OMPRTL__kmpc_ordered), Args, | |||
3495 | createRuntimeFunction(OMPRTL__kmpc_end_ordered), | |||
3496 | Args); | |||
3497 | OrderedOpGen.setAction(Action); | |||
3498 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | |||
3499 | return; | |||
3500 | } | |||
3501 | emitInlinedDirective(CGF, OMPD_ordered, OrderedOpGen); | |||
3502 | } | |||
3503 | ||||
3504 | unsigned CGOpenMPRuntime::getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind) { | |||
3505 | unsigned Flags; | |||
3506 | if (Kind == OMPD_for) | |||
3507 | Flags = OMP_IDENT_BARRIER_IMPL_FOR; | |||
3508 | else if (Kind == OMPD_sections) | |||
3509 | Flags = OMP_IDENT_BARRIER_IMPL_SECTIONS; | |||
3510 | else if (Kind == OMPD_single) | |||
3511 | Flags = OMP_IDENT_BARRIER_IMPL_SINGLE; | |||
3512 | else if (Kind == OMPD_barrier) | |||
3513 | Flags = OMP_IDENT_BARRIER_EXPL; | |||
3514 | else | |||
3515 | Flags = OMP_IDENT_BARRIER_IMPL; | |||
3516 | return Flags; | |||
3517 | } | |||
3518 | ||||
3519 | void CGOpenMPRuntime::getDefaultScheduleAndChunk( | |||
3520 | CodeGenFunction &CGF, const OMPLoopDirective &S, | |||
3521 | OpenMPScheduleClauseKind &ScheduleKind, const Expr *&ChunkExpr) const { | |||
3522 | // Check if the loop directive is actually a doacross loop directive. In this | |||
3523 | // case choose static, 1 schedule. | |||
3524 | if (llvm::any_of( | |||
3525 | S.getClausesOfKind<OMPOrderedClause>(), | |||
3526 | [](const OMPOrderedClause *C) { return C->getNumForLoops(); })) { | |||
3527 | ScheduleKind = OMPC_SCHEDULE_static; | |||
3528 | // Chunk size is 1 in this case. | |||
3529 | llvm::APInt ChunkSize(32, 1); | |||
3530 | ChunkExpr = IntegerLiteral::Create( | |||
3531 | CGF.getContext(), ChunkSize, | |||
3532 | CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/0), | |||
3533 | SourceLocation()); | |||
3534 | } | |||
3535 | } | |||
3536 | ||||
3537 | void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
3538 | OpenMPDirectiveKind Kind, bool EmitChecks, | |||
3539 | bool ForceSimpleCall) { | |||
3540 | // Check if we should use the OMPBuilder | |||
3541 | auto *OMPRegionInfo = | |||
3542 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo); | |||
3543 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | |||
3544 | if (OMPBuilder) { | |||
3545 | CGF.Builder.restoreIP(OMPBuilder->CreateBarrier( | |||
3546 | CGF.Builder, Kind, ForceSimpleCall, EmitChecks)); | |||
3547 | return; | |||
3548 | } | |||
3549 | ||||
3550 | if (!CGF.HaveInsertPoint()) | |||
3551 | return; | |||
3552 | // Build call __kmpc_cancel_barrier(loc, thread_id); | |||
3553 | // Build call __kmpc_barrier(loc, thread_id); | |||
3554 | unsigned Flags = getDefaultFlagsForBarriers(Kind); | |||
3555 | // Build call __kmpc_cancel_barrier(loc, thread_id) or __kmpc_barrier(loc, | |||
3556 | // thread_id); | |||
3557 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, Flags), | |||
3558 | getThreadID(CGF, Loc)}; | |||
3559 | if (OMPRegionInfo) { | |||
3560 | if (!ForceSimpleCall && OMPRegionInfo->hasCancel()) { | |||
3561 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
3562 | createRuntimeFunction(OMPRTL__kmpc_cancel_barrier), Args); | |||
3563 | if (EmitChecks) { | |||
3564 | // if (__kmpc_cancel_barrier()) { | |||
3565 | // exit from construct; | |||
3566 | // } | |||
3567 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
3568 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
3569 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
3570 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
3571 | CGF.EmitBlock(ExitBB); | |||
3572 | // exit from construct; | |||
3573 | CodeGenFunction::JumpDest CancelDestination = | |||
3574 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
3575 | CGF.EmitBranchThroughCleanup(CancelDestination); | |||
3576 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
3577 | } | |||
3578 | return; | |||
3579 | } | |||
3580 | } | |||
3581 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_barrier), Args); | |||
3582 | } | |||
3583 | ||||
3584 | /// Map the OpenMP loop schedule to the runtime enumeration. | |||
3585 | static OpenMPSchedType getRuntimeSchedule(OpenMPScheduleClauseKind ScheduleKind, | |||
3586 | bool Chunked, bool Ordered) { | |||
3587 | switch (ScheduleKind) { | |||
3588 | case OMPC_SCHEDULE_static: | |||
3589 | return Chunked ? (Ordered ? OMP_ord_static_chunked : OMP_sch_static_chunked) | |||
3590 | : (Ordered ? OMP_ord_static : OMP_sch_static); | |||
3591 | case OMPC_SCHEDULE_dynamic: | |||
3592 | return Ordered ? OMP_ord_dynamic_chunked : OMP_sch_dynamic_chunked; | |||
3593 | case OMPC_SCHEDULE_guided: | |||
3594 | return Ordered ? OMP_ord_guided_chunked : OMP_sch_guided_chunked; | |||
3595 | case OMPC_SCHEDULE_runtime: | |||
3596 | return Ordered ? OMP_ord_runtime : OMP_sch_runtime; | |||
3597 | case OMPC_SCHEDULE_auto: | |||
3598 | return Ordered ? OMP_ord_auto : OMP_sch_auto; | |||
3599 | case OMPC_SCHEDULE_unknown: | |||
3600 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3600, __PRETTY_FUNCTION__)); | |||
3601 | return Ordered ? OMP_ord_static : OMP_sch_static; | |||
3602 | } | |||
3603 | llvm_unreachable("Unexpected runtime schedule")::llvm::llvm_unreachable_internal("Unexpected runtime schedule" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3603); | |||
3604 | } | |||
3605 | ||||
3606 | /// Map the OpenMP distribute schedule to the runtime enumeration. | |||
3607 | static OpenMPSchedType | |||
3608 | getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) { | |||
3609 | // only static is allowed for dist_schedule | |||
3610 | return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static; | |||
3611 | } | |||
3612 | ||||
3613 | bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind, | |||
3614 | bool Chunked) const { | |||
3615 | OpenMPSchedType Schedule = | |||
3616 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | |||
3617 | return Schedule == OMP_sch_static; | |||
3618 | } | |||
3619 | ||||
3620 | bool CGOpenMPRuntime::isStaticNonchunked( | |||
3621 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | |||
3622 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | |||
3623 | return Schedule == OMP_dist_sch_static; | |||
3624 | } | |||
3625 | ||||
3626 | bool CGOpenMPRuntime::isStaticChunked(OpenMPScheduleClauseKind ScheduleKind, | |||
3627 | bool Chunked) const { | |||
3628 | OpenMPSchedType Schedule = | |||
3629 | getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false); | |||
3630 | return Schedule == OMP_sch_static_chunked; | |||
3631 | } | |||
3632 | ||||
3633 | bool CGOpenMPRuntime::isStaticChunked( | |||
3634 | OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const { | |||
3635 | OpenMPSchedType Schedule = getRuntimeSchedule(ScheduleKind, Chunked); | |||
3636 | return Schedule == OMP_dist_sch_static_chunked; | |||
3637 | } | |||
3638 | ||||
3639 | bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const { | |||
3640 | OpenMPSchedType Schedule = | |||
3641 | getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false); | |||
3642 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3642, __PRETTY_FUNCTION__)); | |||
3643 | return Schedule != OMP_sch_static; | |||
3644 | } | |||
3645 | ||||
3646 | static int addMonoNonMonoModifier(CodeGenModule &CGM, OpenMPSchedType Schedule, | |||
3647 | OpenMPScheduleClauseModifier M1, | |||
3648 | OpenMPScheduleClauseModifier M2) { | |||
3649 | int Modifier = 0; | |||
3650 | switch (M1) { | |||
3651 | case OMPC_SCHEDULE_MODIFIER_monotonic: | |||
3652 | Modifier = OMP_sch_modifier_monotonic; | |||
3653 | break; | |||
3654 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | |||
3655 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
3656 | break; | |||
3657 | case OMPC_SCHEDULE_MODIFIER_simd: | |||
3658 | if (Schedule == OMP_sch_static_chunked) | |||
3659 | Schedule = OMP_sch_static_balanced_chunked; | |||
3660 | break; | |||
3661 | case OMPC_SCHEDULE_MODIFIER_last: | |||
3662 | case OMPC_SCHEDULE_MODIFIER_unknown: | |||
3663 | break; | |||
3664 | } | |||
3665 | switch (M2) { | |||
3666 | case OMPC_SCHEDULE_MODIFIER_monotonic: | |||
3667 | Modifier = OMP_sch_modifier_monotonic; | |||
3668 | break; | |||
3669 | case OMPC_SCHEDULE_MODIFIER_nonmonotonic: | |||
3670 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
3671 | break; | |||
3672 | case OMPC_SCHEDULE_MODIFIER_simd: | |||
3673 | if (Schedule == OMP_sch_static_chunked) | |||
3674 | Schedule = OMP_sch_static_balanced_chunked; | |||
3675 | break; | |||
3676 | case OMPC_SCHEDULE_MODIFIER_last: | |||
3677 | case OMPC_SCHEDULE_MODIFIER_unknown: | |||
3678 | break; | |||
3679 | } | |||
3680 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Desription. | |||
3681 | // If the static schedule kind is specified or if the ordered clause is | |||
3682 | // specified, and if the nonmonotonic modifier is not specified, the effect is | |||
3683 | // as if the monotonic modifier is specified. Otherwise, unless the monotonic | |||
3684 | // modifier is specified, the effect is as if the nonmonotonic modifier is | |||
3685 | // specified. | |||
3686 | if (CGM.getLangOpts().OpenMP >= 50 && Modifier == 0) { | |||
3687 | if (!(Schedule == OMP_sch_static_chunked || Schedule == OMP_sch_static || | |||
3688 | Schedule == OMP_sch_static_balanced_chunked || | |||
3689 | Schedule == OMP_ord_static_chunked || Schedule == OMP_ord_static || | |||
3690 | Schedule == OMP_dist_sch_static_chunked || | |||
3691 | Schedule == OMP_dist_sch_static)) | |||
3692 | Modifier = OMP_sch_modifier_nonmonotonic; | |||
3693 | } | |||
3694 | return Schedule | Modifier; | |||
3695 | } | |||
3696 | ||||
3697 | void CGOpenMPRuntime::emitForDispatchInit( | |||
3698 | CodeGenFunction &CGF, SourceLocation Loc, | |||
3699 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | |||
3700 | bool Ordered, const DispatchRTInput &DispatchValues) { | |||
3701 | if (!CGF.HaveInsertPoint()) | |||
3702 | return; | |||
3703 | OpenMPSchedType Schedule = getRuntimeSchedule( | |||
3704 | ScheduleKind.Schedule, DispatchValues.Chunk != nullptr, Ordered); | |||
3705 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3708, __PRETTY_FUNCTION__)) | |||
3706 | (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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3708, __PRETTY_FUNCTION__)) | |||
3707 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3708, __PRETTY_FUNCTION__)) | |||
3708 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3708, __PRETTY_FUNCTION__)); | |||
3709 | // Call __kmpc_dispatch_init( | |||
3710 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedule, | |||
3711 | // kmp_int[32|64] lower, kmp_int[32|64] upper, | |||
3712 | // kmp_int[32|64] stride, kmp_int[32|64] chunk); | |||
3713 | ||||
3714 | // If the Chunk was not specified in the clause - use default value 1. | |||
3715 | llvm::Value *Chunk = DispatchValues.Chunk ? DispatchValues.Chunk | |||
3716 | : CGF.Builder.getIntN(IVSize, 1); | |||
3717 | llvm::Value *Args[] = { | |||
3718 | emitUpdateLocation(CGF, Loc), | |||
3719 | getThreadID(CGF, Loc), | |||
3720 | CGF.Builder.getInt32(addMonoNonMonoModifier( | |||
3721 | CGM, Schedule, ScheduleKind.M1, ScheduleKind.M2)), // Schedule type | |||
3722 | DispatchValues.LB, // Lower | |||
3723 | DispatchValues.UB, // Upper | |||
3724 | CGF.Builder.getIntN(IVSize, 1), // Stride | |||
3725 | Chunk // Chunk | |||
3726 | }; | |||
3727 | CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args); | |||
3728 | } | |||
3729 | ||||
3730 | static void emitForStaticInitCall( | |||
3731 | CodeGenFunction &CGF, llvm::Value *UpdateLocation, llvm::Value *ThreadId, | |||
3732 | llvm::FunctionCallee ForStaticInitFunction, OpenMPSchedType Schedule, | |||
3733 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | |||
3734 | const CGOpenMPRuntime::StaticRTInput &Values) { | |||
3735 | if (!CGF.HaveInsertPoint()) | |||
3736 | return; | |||
3737 | ||||
3738 | assert(!Values.Ordered)((!Values.Ordered) ? static_cast<void> (0) : __assert_fail ("!Values.Ordered", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3738, __PRETTY_FUNCTION__)); | |||
3739 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3743, __PRETTY_FUNCTION__)) | |||
3740 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3743, __PRETTY_FUNCTION__)) | |||
3741 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3743, __PRETTY_FUNCTION__)) | |||
3742 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3743, __PRETTY_FUNCTION__)) | |||
3743 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3743, __PRETTY_FUNCTION__)); | |||
3744 | ||||
3745 | // Call __kmpc_for_static_init( | |||
3746 | // ident_t *loc, kmp_int32 tid, kmp_int32 schedtype, | |||
3747 | // kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower, | |||
3748 | // kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride, | |||
3749 | // kmp_int[32|64] incr, kmp_int[32|64] chunk); | |||
3750 | llvm::Value *Chunk = Values.Chunk; | |||
3751 | if (Chunk == nullptr) { | |||
3752 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3754, __PRETTY_FUNCTION__)) | |||
3753 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3754, __PRETTY_FUNCTION__)) | |||
3754 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3754, __PRETTY_FUNCTION__)); | |||
3755 | // If the Chunk was not specified in the clause - use default value 1. | |||
3756 | Chunk = CGF.Builder.getIntN(Values.IVSize, 1); | |||
3757 | } else { | |||
3758 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3762, __PRETTY_FUNCTION__)) | |||
3759 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3762, __PRETTY_FUNCTION__)) | |||
3760 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3762, __PRETTY_FUNCTION__)) | |||
3761 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3762, __PRETTY_FUNCTION__)) | |||
3762 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3762, __PRETTY_FUNCTION__)); | |||
3763 | } | |||
3764 | llvm::Value *Args[] = { | |||
3765 | UpdateLocation, | |||
3766 | ThreadId, | |||
3767 | CGF.Builder.getInt32(addMonoNonMonoModifier(CGF.CGM, Schedule, M1, | |||
3768 | M2)), // Schedule type | |||
3769 | Values.IL.getPointer(), // &isLastIter | |||
3770 | Values.LB.getPointer(), // &LB | |||
3771 | Values.UB.getPointer(), // &UB | |||
3772 | Values.ST.getPointer(), // &Stride | |||
3773 | CGF.Builder.getIntN(Values.IVSize, 1), // Incr | |||
3774 | Chunk // Chunk | |||
3775 | }; | |||
3776 | CGF.EmitRuntimeCall(ForStaticInitFunction, Args); | |||
3777 | } | |||
3778 | ||||
3779 | void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF, | |||
3780 | SourceLocation Loc, | |||
3781 | OpenMPDirectiveKind DKind, | |||
3782 | const OpenMPScheduleTy &ScheduleKind, | |||
3783 | const StaticRTInput &Values) { | |||
3784 | OpenMPSchedType ScheduleNum = getRuntimeSchedule( | |||
3785 | ScheduleKind.Schedule, Values.Chunk != nullptr, Values.Ordered); | |||
3786 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3787, __PRETTY_FUNCTION__)) | |||
3787 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3787, __PRETTY_FUNCTION__)); | |||
3788 | llvm::Value *UpdatedLocation = emitUpdateLocation(CGF, Loc, | |||
3789 | isOpenMPLoopDirective(DKind) | |||
3790 | ? OMP_IDENT_WORK_LOOP | |||
3791 | : OMP_IDENT_WORK_SECTIONS); | |||
3792 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
3793 | llvm::FunctionCallee StaticInitFunction = | |||
3794 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | |||
3795 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
3796 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | |||
3797 | ScheduleNum, ScheduleKind.M1, ScheduleKind.M2, Values); | |||
3798 | } | |||
3799 | ||||
3800 | void CGOpenMPRuntime::emitDistributeStaticInit( | |||
3801 | CodeGenFunction &CGF, SourceLocation Loc, | |||
3802 | OpenMPDistScheduleClauseKind SchedKind, | |||
3803 | const CGOpenMPRuntime::StaticRTInput &Values) { | |||
3804 | OpenMPSchedType ScheduleNum = | |||
3805 | getRuntimeSchedule(SchedKind, Values.Chunk != nullptr); | |||
3806 | llvm::Value *UpdatedLocation = | |||
3807 | emitUpdateLocation(CGF, Loc, OMP_IDENT_WORK_DISTRIBUTE); | |||
3808 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
3809 | llvm::FunctionCallee StaticInitFunction = | |||
3810 | createForStaticInitFunction(Values.IVSize, Values.IVSigned); | |||
3811 | emitForStaticInitCall(CGF, UpdatedLocation, ThreadId, StaticInitFunction, | |||
3812 | ScheduleNum, OMPC_SCHEDULE_MODIFIER_unknown, | |||
3813 | OMPC_SCHEDULE_MODIFIER_unknown, Values); | |||
3814 | } | |||
3815 | ||||
3816 | void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF, | |||
3817 | SourceLocation Loc, | |||
3818 | OpenMPDirectiveKind DKind) { | |||
3819 | if (!CGF.HaveInsertPoint()) | |||
3820 | return; | |||
3821 | // Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid); | |||
3822 | llvm::Value *Args[] = { | |||
3823 | emitUpdateLocation(CGF, Loc, | |||
3824 | isOpenMPDistributeDirective(DKind) | |||
3825 | ? OMP_IDENT_WORK_DISTRIBUTE | |||
3826 | : isOpenMPLoopDirective(DKind) | |||
3827 | ? OMP_IDENT_WORK_LOOP | |||
3828 | : OMP_IDENT_WORK_SECTIONS), | |||
3829 | getThreadID(CGF, Loc)}; | |||
3830 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
3831 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_for_static_fini), | |||
3832 | Args); | |||
3833 | } | |||
3834 | ||||
3835 | void CGOpenMPRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | |||
3836 | SourceLocation Loc, | |||
3837 | unsigned IVSize, | |||
3838 | bool IVSigned) { | |||
3839 | if (!CGF.HaveInsertPoint()) | |||
3840 | return; | |||
3841 | // Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid); | |||
3842 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
3843 | CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args); | |||
3844 | } | |||
3845 | ||||
3846 | llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF, | |||
3847 | SourceLocation Loc, unsigned IVSize, | |||
3848 | bool IVSigned, Address IL, | |||
3849 | Address LB, Address UB, | |||
3850 | Address ST) { | |||
3851 | // Call __kmpc_dispatch_next( | |||
3852 | // ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter, | |||
3853 | // kmp_int[32|64] *p_lower, kmp_int[32|64] *p_upper, | |||
3854 | // kmp_int[32|64] *p_stride); | |||
3855 | llvm::Value *Args[] = { | |||
3856 | emitUpdateLocation(CGF, Loc), | |||
3857 | getThreadID(CGF, Loc), | |||
3858 | IL.getPointer(), // &isLastIter | |||
3859 | LB.getPointer(), // &Lower | |||
3860 | UB.getPointer(), // &Upper | |||
3861 | ST.getPointer() // &Stride | |||
3862 | }; | |||
3863 | llvm::Value *Call = | |||
3864 | CGF.EmitRuntimeCall(createDispatchNextFunction(IVSize, IVSigned), Args); | |||
3865 | return CGF.EmitScalarConversion( | |||
3866 | Call, CGF.getContext().getIntTypeForBitwidth(32, /*Signed=*/1), | |||
3867 | CGF.getContext().BoolTy, Loc); | |||
3868 | } | |||
3869 | ||||
3870 | void CGOpenMPRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | |||
3871 | llvm::Value *NumThreads, | |||
3872 | SourceLocation Loc) { | |||
3873 | if (!CGF.HaveInsertPoint()) | |||
3874 | return; | |||
3875 | // Build call __kmpc_push_num_threads(&loc, global_tid, num_threads) | |||
3876 | llvm::Value *Args[] = { | |||
3877 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
3878 | CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned*/ true)}; | |||
3879 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_num_threads), | |||
3880 | Args); | |||
3881 | } | |||
3882 | ||||
3883 | void CGOpenMPRuntime::emitProcBindClause(CodeGenFunction &CGF, | |||
3884 | ProcBindKind ProcBind, | |||
3885 | SourceLocation Loc) { | |||
3886 | if (!CGF.HaveInsertPoint()) | |||
3887 | return; | |||
3888 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3888, __PRETTY_FUNCTION__)); | |||
3889 | // Build call __kmpc_push_proc_bind(&loc, global_tid, proc_bind) | |||
3890 | llvm::Value *Args[] = { | |||
3891 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
3892 | llvm::ConstantInt::get(CGM.IntTy, unsigned(ProcBind), /*isSigned=*/true)}; | |||
3893 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_proc_bind), Args); | |||
3894 | } | |||
3895 | ||||
3896 | void CGOpenMPRuntime::emitFlush(CodeGenFunction &CGF, ArrayRef<const Expr *>, | |||
3897 | SourceLocation Loc, llvm::AtomicOrdering AO) { | |||
3898 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | |||
3899 | if (OMPBuilder) { | |||
3900 | OMPBuilder->CreateFlush(CGF.Builder); | |||
3901 | } else { | |||
3902 | if (!CGF.HaveInsertPoint()) | |||
3903 | return; | |||
3904 | // Build call void __kmpc_flush(ident_t *loc) | |||
3905 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_flush), | |||
3906 | emitUpdateLocation(CGF, Loc)); | |||
3907 | } | |||
3908 | } | |||
3909 | ||||
3910 | namespace { | |||
3911 | /// Indexes of fields for type kmp_task_t. | |||
3912 | enum KmpTaskTFields { | |||
3913 | /// List of shared variables. | |||
3914 | KmpTaskTShareds, | |||
3915 | /// Task routine. | |||
3916 | KmpTaskTRoutine, | |||
3917 | /// Partition id for the untied tasks. | |||
3918 | KmpTaskTPartId, | |||
3919 | /// Function with call of destructors for private variables. | |||
3920 | Data1, | |||
3921 | /// Task priority. | |||
3922 | Data2, | |||
3923 | /// (Taskloops only) Lower bound. | |||
3924 | KmpTaskTLowerBound, | |||
3925 | /// (Taskloops only) Upper bound. | |||
3926 | KmpTaskTUpperBound, | |||
3927 | /// (Taskloops only) Stride. | |||
3928 | KmpTaskTStride, | |||
3929 | /// (Taskloops only) Is last iteration flag. | |||
3930 | KmpTaskTLastIter, | |||
3931 | /// (Taskloops only) Reduction data. | |||
3932 | KmpTaskTReductions, | |||
3933 | }; | |||
3934 | } // anonymous namespace | |||
3935 | ||||
3936 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::empty() const { | |||
3937 | return OffloadEntriesTargetRegion.empty() && | |||
3938 | OffloadEntriesDeviceGlobalVar.empty(); | |||
3939 | } | |||
3940 | ||||
3941 | /// Initialize target region entry. | |||
3942 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
3943 | initializeTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | |||
3944 | StringRef ParentName, unsigned LineNum, | |||
3945 | unsigned Order) { | |||
3946 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3948, __PRETTY_FUNCTION__)) | |||
3947 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3948, __PRETTY_FUNCTION__)) | |||
3948 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3948, __PRETTY_FUNCTION__)); | |||
3949 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = | |||
3950 | OffloadEntryInfoTargetRegion(Order, /*Addr=*/nullptr, /*ID=*/nullptr, | |||
3951 | OMPTargetRegionEntryTargetRegion); | |||
3952 | ++OffloadingEntriesNum; | |||
3953 | } | |||
3954 | ||||
3955 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
3956 | registerTargetRegionEntryInfo(unsigned DeviceID, unsigned FileID, | |||
3957 | StringRef ParentName, unsigned LineNum, | |||
3958 | llvm::Constant *Addr, llvm::Constant *ID, | |||
3959 | OMPTargetRegionEntryKind Flags) { | |||
3960 | // If we are emitting code for a target, the entry is already initialized, | |||
3961 | // only has to be registered. | |||
3962 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
3963 | if (!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum)) { | |||
3964 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
3965 | DiagnosticsEngine::Error, | |||
3966 | "Unable to find target region on line '%0' in the device code."); | |||
3967 | CGM.getDiags().Report(DiagID) << LineNum; | |||
3968 | return; | |||
3969 | } | |||
3970 | auto &Entry = | |||
3971 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum]; | |||
3972 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 3972, __PRETTY_FUNCTION__)); | |||
3973 | Entry.setAddress(Addr); | |||
3974 | Entry.setID(ID); | |||
3975 | Entry.setFlags(Flags); | |||
3976 | } else { | |||
3977 | OffloadEntryInfoTargetRegion Entry(OffloadingEntriesNum, Addr, ID, Flags); | |||
3978 | OffloadEntriesTargetRegion[DeviceID][FileID][ParentName][LineNum] = Entry; | |||
3979 | ++OffloadingEntriesNum; | |||
3980 | } | |||
3981 | } | |||
3982 | ||||
3983 | bool CGOpenMPRuntime::OffloadEntriesInfoManagerTy::hasTargetRegionEntryInfo( | |||
3984 | unsigned DeviceID, unsigned FileID, StringRef ParentName, | |||
3985 | unsigned LineNum) const { | |||
3986 | auto PerDevice = OffloadEntriesTargetRegion.find(DeviceID); | |||
3987 | if (PerDevice == OffloadEntriesTargetRegion.end()) | |||
3988 | return false; | |||
3989 | auto PerFile = PerDevice->second.find(FileID); | |||
3990 | if (PerFile == PerDevice->second.end()) | |||
3991 | return false; | |||
3992 | auto PerParentName = PerFile->second.find(ParentName); | |||
3993 | if (PerParentName == PerFile->second.end()) | |||
3994 | return false; | |||
3995 | auto PerLine = PerParentName->second.find(LineNum); | |||
3996 | if (PerLine == PerParentName->second.end()) | |||
3997 | return false; | |||
3998 | // Fail if this entry is already registered. | |||
3999 | if (PerLine->second.getAddress() || PerLine->second.getID()) | |||
4000 | return false; | |||
4001 | return true; | |||
4002 | } | |||
4003 | ||||
4004 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy::actOnTargetRegionEntriesInfo( | |||
4005 | const OffloadTargetRegionEntryInfoActTy &Action) { | |||
4006 | // Scan all target region entries and perform the provided action. | |||
4007 | for (const auto &D : OffloadEntriesTargetRegion) | |||
4008 | for (const auto &F : D.second) | |||
4009 | for (const auto &P : F.second) | |||
4010 | for (const auto &L : P.second) | |||
4011 | Action(D.first, F.first, P.first(), L.first, L.second); | |||
4012 | } | |||
4013 | ||||
4014 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
4015 | initializeDeviceGlobalVarEntryInfo(StringRef Name, | |||
4016 | OMPTargetGlobalVarEntryKind Flags, | |||
4017 | unsigned Order) { | |||
4018 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4020, __PRETTY_FUNCTION__)) | |||
4019 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4020, __PRETTY_FUNCTION__)) | |||
4020 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4020, __PRETTY_FUNCTION__)); | |||
4021 | OffloadEntriesDeviceGlobalVar.try_emplace(Name, Order, Flags); | |||
4022 | ++OffloadingEntriesNum; | |||
4023 | } | |||
4024 | ||||
4025 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
4026 | registerDeviceGlobalVarEntryInfo(StringRef VarName, llvm::Constant *Addr, | |||
4027 | CharUnits VarSize, | |||
4028 | OMPTargetGlobalVarEntryKind Flags, | |||
4029 | llvm::GlobalValue::LinkageTypes Linkage) { | |||
4030 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
4031 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | |||
4032 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4033, __PRETTY_FUNCTION__)) | |||
4033 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4033, __PRETTY_FUNCTION__)); | |||
4034 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4035, __PRETTY_FUNCTION__)) | |||
4035 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4035, __PRETTY_FUNCTION__)); | |||
4036 | if (Entry.getAddress() && hasDeviceGlobalVarEntryInfo(VarName)) { | |||
4037 | if (Entry.getVarSize().isZero()) { | |||
4038 | Entry.setVarSize(VarSize); | |||
4039 | Entry.setLinkage(Linkage); | |||
4040 | } | |||
4041 | return; | |||
4042 | } | |||
4043 | Entry.setVarSize(VarSize); | |||
4044 | Entry.setLinkage(Linkage); | |||
4045 | Entry.setAddress(Addr); | |||
4046 | } else { | |||
4047 | if (hasDeviceGlobalVarEntryInfo(VarName)) { | |||
4048 | auto &Entry = OffloadEntriesDeviceGlobalVar[VarName]; | |||
4049 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4050, __PRETTY_FUNCTION__)) | |||
4050 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4050, __PRETTY_FUNCTION__)); | |||
4051 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4052, __PRETTY_FUNCTION__)) | |||
4052 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4052, __PRETTY_FUNCTION__)); | |||
4053 | if (Entry.getVarSize().isZero()) { | |||
4054 | Entry.setVarSize(VarSize); | |||
4055 | Entry.setLinkage(Linkage); | |||
4056 | } | |||
4057 | return; | |||
4058 | } | |||
4059 | OffloadEntriesDeviceGlobalVar.try_emplace( | |||
4060 | VarName, OffloadingEntriesNum, Addr, VarSize, Flags, Linkage); | |||
4061 | ++OffloadingEntriesNum; | |||
4062 | } | |||
4063 | } | |||
4064 | ||||
4065 | void CGOpenMPRuntime::OffloadEntriesInfoManagerTy:: | |||
4066 | actOnDeviceGlobalVarEntriesInfo( | |||
4067 | const OffloadDeviceGlobalVarEntryInfoActTy &Action) { | |||
4068 | // Scan all target region entries and perform the provided action. | |||
4069 | for (const auto &E : OffloadEntriesDeviceGlobalVar) | |||
4070 | Action(E.getKey(), E.getValue()); | |||
4071 | } | |||
4072 | ||||
4073 | void CGOpenMPRuntime::createOffloadEntry( | |||
4074 | llvm::Constant *ID, llvm::Constant *Addr, uint64_t Size, int32_t Flags, | |||
4075 | llvm::GlobalValue::LinkageTypes Linkage) { | |||
4076 | StringRef Name = Addr->getName(); | |||
4077 | llvm::Module &M = CGM.getModule(); | |||
4078 | llvm::LLVMContext &C = M.getContext(); | |||
4079 | ||||
4080 | // Create constant string with the name. | |||
4081 | llvm::Constant *StrPtrInit = llvm::ConstantDataArray::getString(C, Name); | |||
4082 | ||||
4083 | std::string StringName = getName({"omp_offloading", "entry_name"}); | |||
4084 | auto *Str = new llvm::GlobalVariable( | |||
4085 | M, StrPtrInit->getType(), /*isConstant=*/true, | |||
4086 | llvm::GlobalValue::InternalLinkage, StrPtrInit, StringName); | |||
4087 | Str->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
4088 | ||||
4089 | llvm::Constant *Data[] = {llvm::ConstantExpr::getBitCast(ID, CGM.VoidPtrTy), | |||
4090 | llvm::ConstantExpr::getBitCast(Str, CGM.Int8PtrTy), | |||
4091 | llvm::ConstantInt::get(CGM.SizeTy, Size), | |||
4092 | llvm::ConstantInt::get(CGM.Int32Ty, Flags), | |||
4093 | llvm::ConstantInt::get(CGM.Int32Ty, 0)}; | |||
4094 | std::string EntryName = getName({"omp_offloading", "entry", ""}); | |||
4095 | llvm::GlobalVariable *Entry = createGlobalStruct( | |||
4096 | CGM, getTgtOffloadEntryQTy(), /*IsConstant=*/true, Data, | |||
4097 | Twine(EntryName).concat(Name), llvm::GlobalValue::WeakAnyLinkage); | |||
4098 | ||||
4099 | // The entry has to be created in the section the linker expects it to be. | |||
4100 | Entry->setSection("omp_offloading_entries"); | |||
4101 | } | |||
4102 | ||||
4103 | void CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() { | |||
4104 | // Emit the offloading entries and metadata so that the device codegen side | |||
4105 | // can easily figure out what to emit. The produced metadata looks like | |||
4106 | // this: | |||
4107 | // | |||
4108 | // !omp_offload.info = !{!1, ...} | |||
4109 | // | |||
4110 | // Right now we only generate metadata for function that contain target | |||
4111 | // regions. | |||
4112 | ||||
4113 | // If we are in simd mode or there are no entries, we don't need to do | |||
4114 | // anything. | |||
4115 | if (CGM.getLangOpts().OpenMPSimd || OffloadEntriesInfoManager.empty()) | |||
4116 | return; | |||
4117 | ||||
4118 | llvm::Module &M = CGM.getModule(); | |||
4119 | llvm::LLVMContext &C = M.getContext(); | |||
4120 | SmallVector<std::tuple<const OffloadEntriesInfoManagerTy::OffloadEntryInfo *, | |||
4121 | SourceLocation, StringRef>, | |||
4122 | 16> | |||
4123 | OrderedEntries(OffloadEntriesInfoManager.size()); | |||
4124 | llvm::SmallVector<StringRef, 16> ParentFunctions( | |||
4125 | OffloadEntriesInfoManager.size()); | |||
4126 | ||||
4127 | // Auxiliary methods to create metadata values and strings. | |||
4128 | auto &&GetMDInt = [this](unsigned V) { | |||
4129 | return llvm::ConstantAsMetadata::get( | |||
4130 | llvm::ConstantInt::get(CGM.Int32Ty, V)); | |||
4131 | }; | |||
4132 | ||||
4133 | auto &&GetMDString = [&C](StringRef V) { return llvm::MDString::get(C, V); }; | |||
4134 | ||||
4135 | // Create the offloading info metadata node. | |||
4136 | llvm::NamedMDNode *MD = M.getOrInsertNamedMetadata("omp_offload.info"); | |||
4137 | ||||
4138 | // Create function that emits metadata for each target region entry; | |||
4139 | auto &&TargetRegionMetadataEmitter = | |||
4140 | [this, &C, MD, &OrderedEntries, &ParentFunctions, &GetMDInt, | |||
4141 | &GetMDString]( | |||
4142 | unsigned DeviceID, unsigned FileID, StringRef ParentName, | |||
4143 | unsigned Line, | |||
4144 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion &E) { | |||
4145 | // Generate metadata for target regions. Each entry of this metadata | |||
4146 | // contains: | |||
4147 | // - Entry 0 -> Kind of this type of metadata (0). | |||
4148 | // - Entry 1 -> Device ID of the file where the entry was identified. | |||
4149 | // - Entry 2 -> File ID of the file where the entry was identified. | |||
4150 | // - Entry 3 -> Mangled name of the function where the entry was | |||
4151 | // identified. | |||
4152 | // - Entry 4 -> Line in the file where the entry was identified. | |||
4153 | // - Entry 5 -> Order the entry was created. | |||
4154 | // The first element of the metadata node is the kind. | |||
4155 | llvm::Metadata *Ops[] = {GetMDInt(E.getKind()), GetMDInt(DeviceID), | |||
4156 | GetMDInt(FileID), GetMDString(ParentName), | |||
4157 | GetMDInt(Line), GetMDInt(E.getOrder())}; | |||
4158 | ||||
4159 | SourceLocation Loc; | |||
4160 | for (auto I = CGM.getContext().getSourceManager().fileinfo_begin(), | |||
4161 | E = CGM.getContext().getSourceManager().fileinfo_end(); | |||
4162 | I != E; ++I) { | |||
4163 | if (I->getFirst()->getUniqueID().getDevice() == DeviceID && | |||
4164 | I->getFirst()->getUniqueID().getFile() == FileID) { | |||
4165 | Loc = CGM.getContext().getSourceManager().translateFileLineCol( | |||
4166 | I->getFirst(), Line, 1); | |||
4167 | break; | |||
4168 | } | |||
4169 | } | |||
4170 | // Save this entry in the right position of the ordered entries array. | |||
4171 | OrderedEntries[E.getOrder()] = std::make_tuple(&E, Loc, ParentName); | |||
4172 | ParentFunctions[E.getOrder()] = ParentName; | |||
4173 | ||||
4174 | // Add metadata to the named metadata node. | |||
4175 | MD->addOperand(llvm::MDNode::get(C, Ops)); | |||
4176 | }; | |||
4177 | ||||
4178 | OffloadEntriesInfoManager.actOnTargetRegionEntriesInfo( | |||
4179 | TargetRegionMetadataEmitter); | |||
4180 | ||||
4181 | // Create function that emits metadata for each device global variable entry; | |||
4182 | auto &&DeviceGlobalVarMetadataEmitter = | |||
4183 | [&C, &OrderedEntries, &GetMDInt, &GetMDString, | |||
4184 | MD](StringRef MangledName, | |||
4185 | const OffloadEntriesInfoManagerTy::OffloadEntryInfoDeviceGlobalVar | |||
4186 | &E) { | |||
4187 | // Generate metadata for global variables. Each entry of this metadata | |||
4188 | // contains: | |||
4189 | // - Entry 0 -> Kind of this type of metadata (1). | |||
4190 | // - Entry 1 -> Mangled name of the variable. | |||
4191 | // - Entry 2 -> Declare target kind. | |||
4192 | // - Entry 3 -> Order the entry was created. | |||
4193 | // The first element of the metadata node is the kind. | |||
4194 | llvm::Metadata *Ops[] = { | |||
4195 | GetMDInt(E.getKind()), GetMDString(MangledName), | |||
4196 | GetMDInt(E.getFlags()), GetMDInt(E.getOrder())}; | |||
4197 | ||||
4198 | // Save this entry in the right position of the ordered entries array. | |||
4199 | OrderedEntries[E.getOrder()] = | |||
4200 | std::make_tuple(&E, SourceLocation(), MangledName); | |||
4201 | ||||
4202 | // Add metadata to the named metadata node. | |||
4203 | MD->addOperand(llvm::MDNode::get(C, Ops)); | |||
4204 | }; | |||
4205 | ||||
4206 | OffloadEntriesInfoManager.actOnDeviceGlobalVarEntriesInfo( | |||
4207 | DeviceGlobalVarMetadataEmitter); | |||
4208 | ||||
4209 | for (const auto &E : OrderedEntries) { | |||
4210 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4210, __PRETTY_FUNCTION__)); | |||
4211 | if (const auto *CE = | |||
4212 | dyn_cast<OffloadEntriesInfoManagerTy::OffloadEntryInfoTargetRegion>( | |||
4213 | std::get<0>(E))) { | |||
4214 | if (!CE->getID() || !CE->getAddress()) { | |||
4215 | // Do not blame the entry if the parent funtion is not emitted. | |||
4216 | StringRef FnName = ParentFunctions[CE->getOrder()]; | |||
4217 | if (!CGM.GetGlobalValue(FnName)) | |||
4218 | continue; | |||
4219 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
4220 | DiagnosticsEngine::Error, | |||
4221 | "Offloading entry for target region in %0 is incorrect: either the " | |||
4222 | "address or the ID is invalid."); | |||
4223 | CGM.getDiags().Report(std::get<1>(E), DiagID) << FnName; | |||
4224 | continue; | |||
4225 | } | |||
4226 | createOffloadEntry(CE->getID(), CE->getAddress(), /*Size=*/0, | |||
4227 | CE->getFlags(), llvm::GlobalValue::WeakAnyLinkage); | |||
4228 | } else if (const auto *CE = dyn_cast<OffloadEntriesInfoManagerTy:: | |||
4229 | OffloadEntryInfoDeviceGlobalVar>( | |||
4230 | std::get<0>(E))) { | |||
4231 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags = | |||
4232 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | |||
4233 | CE->getFlags()); | |||
4234 | switch (Flags) { | |||
4235 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo: { | |||
4236 | if (CGM.getLangOpts().OpenMPIsDevice && | |||
4237 | CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory()) | |||
4238 | continue; | |||
4239 | if (!CE->getAddress()) { | |||
4240 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
4241 | DiagnosticsEngine::Error, "Offloading entry for declare target " | |||
4242 | "variable %0 is incorrect: the " | |||
4243 | "address is invalid."); | |||
4244 | CGM.getDiags().Report(std::get<1>(E), DiagID) << std::get<2>(E); | |||
4245 | continue; | |||
4246 | } | |||
4247 | // The vaiable has no definition - no need to add the entry. | |||
4248 | if (CE->getVarSize().isZero()) | |||
4249 | continue; | |||
4250 | break; | |||
4251 | } | |||
4252 | case OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink: | |||
4253 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4255, __PRETTY_FUNCTION__)) | |||
4254 | (!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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4255, __PRETTY_FUNCTION__)) | |||
4255 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4255, __PRETTY_FUNCTION__)); | |||
4256 | if (CGM.getLangOpts().OpenMPIsDevice) | |||
4257 | continue; | |||
4258 | if (!CE->getAddress()) { | |||
4259 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
4260 | DiagnosticsEngine::Error, | |||
4261 | "Offloading entry for declare target variable is incorrect: the " | |||
4262 | "address is invalid."); | |||
4263 | CGM.getDiags().Report(DiagID); | |||
4264 | continue; | |||
4265 | } | |||
4266 | break; | |||
4267 | } | |||
4268 | createOffloadEntry(CE->getAddress(), CE->getAddress(), | |||
4269 | CE->getVarSize().getQuantity(), Flags, | |||
4270 | CE->getLinkage()); | |||
4271 | } else { | |||
4272 | llvm_unreachable("Unsupported entry kind.")::llvm::llvm_unreachable_internal("Unsupported entry kind.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4272); | |||
4273 | } | |||
4274 | } | |||
4275 | } | |||
4276 | ||||
4277 | /// Loads all the offload entries information from the host IR | |||
4278 | /// metadata. | |||
4279 | void CGOpenMPRuntime::loadOffloadInfoMetadata() { | |||
4280 | // If we are in target mode, load the metadata from the host IR. This code has | |||
4281 | // to match the metadaata creation in createOffloadEntriesAndInfoMetadata(). | |||
4282 | ||||
4283 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
4284 | return; | |||
4285 | ||||
4286 | if (CGM.getLangOpts().OMPHostIRFile.empty()) | |||
4287 | return; | |||
4288 | ||||
4289 | auto Buf = llvm::MemoryBuffer::getFile(CGM.getLangOpts().OMPHostIRFile); | |||
4290 | if (auto EC = Buf.getError()) { | |||
4291 | CGM.getDiags().Report(diag::err_cannot_open_file) | |||
4292 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | |||
4293 | return; | |||
4294 | } | |||
4295 | ||||
4296 | llvm::LLVMContext C; | |||
4297 | auto ME = expectedToErrorOrAndEmitErrors( | |||
4298 | C, llvm::parseBitcodeFile(Buf.get()->getMemBufferRef(), C)); | |||
4299 | ||||
4300 | if (auto EC = ME.getError()) { | |||
4301 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
4302 | DiagnosticsEngine::Error, "Unable to parse host IR file '%0':'%1'"); | |||
4303 | CGM.getDiags().Report(DiagID) | |||
4304 | << CGM.getLangOpts().OMPHostIRFile << EC.message(); | |||
4305 | return; | |||
4306 | } | |||
4307 | ||||
4308 | llvm::NamedMDNode *MD = ME.get()->getNamedMetadata("omp_offload.info"); | |||
4309 | if (!MD) | |||
4310 | return; | |||
4311 | ||||
4312 | for (llvm::MDNode *MN : MD->operands()) { | |||
4313 | auto &&GetMDInt = [MN](unsigned Idx) { | |||
4314 | auto *V = cast<llvm::ConstantAsMetadata>(MN->getOperand(Idx)); | |||
4315 | return cast<llvm::ConstantInt>(V->getValue())->getZExtValue(); | |||
4316 | }; | |||
4317 | ||||
4318 | auto &&GetMDString = [MN](unsigned Idx) { | |||
4319 | auto *V = cast<llvm::MDString>(MN->getOperand(Idx)); | |||
4320 | return V->getString(); | |||
4321 | }; | |||
4322 | ||||
4323 | switch (GetMDInt(0)) { | |||
4324 | default: | |||
4325 | llvm_unreachable("Unexpected metadata!")::llvm::llvm_unreachable_internal("Unexpected metadata!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4325); | |||
4326 | break; | |||
4327 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | |||
4328 | OffloadingEntryInfoTargetRegion: | |||
4329 | OffloadEntriesInfoManager.initializeTargetRegionEntryInfo( | |||
4330 | /*DeviceID=*/GetMDInt(1), /*FileID=*/GetMDInt(2), | |||
4331 | /*ParentName=*/GetMDString(3), /*Line=*/GetMDInt(4), | |||
4332 | /*Order=*/GetMDInt(5)); | |||
4333 | break; | |||
4334 | case OffloadEntriesInfoManagerTy::OffloadEntryInfo:: | |||
4335 | OffloadingEntryInfoDeviceGlobalVar: | |||
4336 | OffloadEntriesInfoManager.initializeDeviceGlobalVarEntryInfo( | |||
4337 | /*MangledName=*/GetMDString(1), | |||
4338 | static_cast<OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind>( | |||
4339 | /*Flags=*/GetMDInt(2)), | |||
4340 | /*Order=*/GetMDInt(3)); | |||
4341 | break; | |||
4342 | } | |||
4343 | } | |||
4344 | } | |||
4345 | ||||
4346 | void CGOpenMPRuntime::emitKmpRoutineEntryT(QualType KmpInt32Ty) { | |||
4347 | if (!KmpRoutineEntryPtrTy) { | |||
4348 | // Build typedef kmp_int32 (* kmp_routine_entry_t)(kmp_int32, void *); type. | |||
4349 | ASTContext &C = CGM.getContext(); | |||
4350 | QualType KmpRoutineEntryTyArgs[] = {KmpInt32Ty, C.VoidPtrTy}; | |||
4351 | FunctionProtoType::ExtProtoInfo EPI; | |||
4352 | KmpRoutineEntryPtrQTy = C.getPointerType( | |||
4353 | C.getFunctionType(KmpInt32Ty, KmpRoutineEntryTyArgs, EPI)); | |||
4354 | KmpRoutineEntryPtrTy = CGM.getTypes().ConvertType(KmpRoutineEntryPtrQTy); | |||
4355 | } | |||
4356 | } | |||
4357 | ||||
4358 | QualType CGOpenMPRuntime::getTgtOffloadEntryQTy() { | |||
4359 | // Make sure the type of the entry is already created. This is the type we | |||
4360 | // have to create: | |||
4361 | // struct __tgt_offload_entry{ | |||
4362 | // void *addr; // Pointer to the offload entry info. | |||
4363 | // // (function or global) | |||
4364 | // char *name; // Name of the function or global. | |||
4365 | // size_t size; // Size of the entry info (0 if it a function). | |||
4366 | // int32_t flags; // Flags associated with the entry, e.g. 'link'. | |||
4367 | // int32_t reserved; // Reserved, to use by the runtime library. | |||
4368 | // }; | |||
4369 | if (TgtOffloadEntryQTy.isNull()) { | |||
4370 | ASTContext &C = CGM.getContext(); | |||
4371 | RecordDecl *RD = C.buildImplicitRecord("__tgt_offload_entry"); | |||
4372 | RD->startDefinition(); | |||
4373 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
4374 | addFieldToRecordDecl(C, RD, C.getPointerType(C.CharTy)); | |||
4375 | addFieldToRecordDecl(C, RD, C.getSizeType()); | |||
4376 | addFieldToRecordDecl( | |||
4377 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | |||
4378 | addFieldToRecordDecl( | |||
4379 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/true)); | |||
4380 | RD->completeDefinition(); | |||
4381 | RD->addAttr(PackedAttr::CreateImplicit(C)); | |||
4382 | TgtOffloadEntryQTy = C.getRecordType(RD); | |||
4383 | } | |||
4384 | return TgtOffloadEntryQTy; | |||
4385 | } | |||
4386 | ||||
4387 | namespace { | |||
4388 | struct PrivateHelpersTy { | |||
4389 | PrivateHelpersTy(const VarDecl *Original, const VarDecl *PrivateCopy, | |||
4390 | const VarDecl *PrivateElemInit) | |||
4391 | : Original(Original), PrivateCopy(PrivateCopy), | |||
4392 | PrivateElemInit(PrivateElemInit) {} | |||
4393 | const VarDecl *Original; | |||
4394 | const VarDecl *PrivateCopy; | |||
4395 | const VarDecl *PrivateElemInit; | |||
4396 | }; | |||
4397 | typedef std::pair<CharUnits /*Align*/, PrivateHelpersTy> PrivateDataTy; | |||
4398 | } // anonymous namespace | |||
4399 | ||||
4400 | static RecordDecl * | |||
4401 | createPrivatesRecordDecl(CodeGenModule &CGM, ArrayRef<PrivateDataTy> Privates) { | |||
4402 | if (!Privates.empty()) { | |||
4403 | ASTContext &C = CGM.getContext(); | |||
4404 | // Build struct .kmp_privates_t. { | |||
4405 | // /* private vars */ | |||
4406 | // }; | |||
4407 | RecordDecl *RD = C.buildImplicitRecord(".kmp_privates.t"); | |||
4408 | RD->startDefinition(); | |||
4409 | for (const auto &Pair : Privates) { | |||
4410 | const VarDecl *VD = Pair.second.Original; | |||
4411 | QualType Type = VD->getType().getNonReferenceType(); | |||
4412 | FieldDecl *FD = addFieldToRecordDecl(C, RD, Type); | |||
4413 | if (VD->hasAttrs()) { | |||
4414 | for (specific_attr_iterator<AlignedAttr> I(VD->getAttrs().begin()), | |||
4415 | E(VD->getAttrs().end()); | |||
4416 | I != E; ++I) | |||
4417 | FD->addAttr(*I); | |||
4418 | } | |||
4419 | } | |||
4420 | RD->completeDefinition(); | |||
4421 | return RD; | |||
4422 | } | |||
4423 | return nullptr; | |||
4424 | } | |||
4425 | ||||
4426 | static RecordDecl * | |||
4427 | createKmpTaskTRecordDecl(CodeGenModule &CGM, OpenMPDirectiveKind Kind, | |||
4428 | QualType KmpInt32Ty, | |||
4429 | QualType KmpRoutineEntryPointerQTy) { | |||
4430 | ASTContext &C = CGM.getContext(); | |||
4431 | // Build struct kmp_task_t { | |||
4432 | // void * shareds; | |||
4433 | // kmp_routine_entry_t routine; | |||
4434 | // kmp_int32 part_id; | |||
4435 | // kmp_cmplrdata_t data1; | |||
4436 | // kmp_cmplrdata_t data2; | |||
4437 | // For taskloops additional fields: | |||
4438 | // kmp_uint64 lb; | |||
4439 | // kmp_uint64 ub; | |||
4440 | // kmp_int64 st; | |||
4441 | // kmp_int32 liter; | |||
4442 | // void * reductions; | |||
4443 | // }; | |||
4444 | RecordDecl *UD = C.buildImplicitRecord("kmp_cmplrdata_t", TTK_Union); | |||
4445 | UD->startDefinition(); | |||
4446 | addFieldToRecordDecl(C, UD, KmpInt32Ty); | |||
4447 | addFieldToRecordDecl(C, UD, KmpRoutineEntryPointerQTy); | |||
4448 | UD->completeDefinition(); | |||
4449 | QualType KmpCmplrdataTy = C.getRecordType(UD); | |||
4450 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t"); | |||
4451 | RD->startDefinition(); | |||
4452 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
4453 | addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy); | |||
4454 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
4455 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | |||
4456 | addFieldToRecordDecl(C, RD, KmpCmplrdataTy); | |||
4457 | if (isOpenMPTaskLoopDirective(Kind)) { | |||
4458 | QualType KmpUInt64Ty = | |||
4459 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
4460 | QualType KmpInt64Ty = | |||
4461 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
4462 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | |||
4463 | addFieldToRecordDecl(C, RD, KmpUInt64Ty); | |||
4464 | addFieldToRecordDecl(C, RD, KmpInt64Ty); | |||
4465 | addFieldToRecordDecl(C, RD, KmpInt32Ty); | |||
4466 | addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
4467 | } | |||
4468 | RD->completeDefinition(); | |||
4469 | return RD; | |||
4470 | } | |||
4471 | ||||
4472 | static RecordDecl * | |||
4473 | createKmpTaskTWithPrivatesRecordDecl(CodeGenModule &CGM, QualType KmpTaskTQTy, | |||
4474 | ArrayRef<PrivateDataTy> Privates) { | |||
4475 | ASTContext &C = CGM.getContext(); | |||
4476 | // Build struct kmp_task_t_with_privates { | |||
4477 | // kmp_task_t task_data; | |||
4478 | // .kmp_privates_t. privates; | |||
4479 | // }; | |||
4480 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_t_with_privates"); | |||
4481 | RD->startDefinition(); | |||
4482 | addFieldToRecordDecl(C, RD, KmpTaskTQTy); | |||
4483 | if (const RecordDecl *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) | |||
4484 | addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD)); | |||
4485 | RD->completeDefinition(); | |||
4486 | return RD; | |||
4487 | } | |||
4488 | ||||
4489 | /// Emit a proxy function which accepts kmp_task_t as the second | |||
4490 | /// argument. | |||
4491 | /// \code | |||
4492 | /// kmp_int32 .omp_task_entry.(kmp_int32 gtid, kmp_task_t *tt) { | |||
4493 | /// TaskFunction(gtid, tt->part_id, &tt->privates, task_privates_map, tt, | |||
4494 | /// For taskloops: | |||
4495 | /// tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | |||
4496 | /// tt->reductions, tt->shareds); | |||
4497 | /// return 0; | |||
4498 | /// } | |||
4499 | /// \endcode | |||
4500 | static llvm::Function * | |||
4501 | emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
4502 | OpenMPDirectiveKind Kind, QualType KmpInt32Ty, | |||
4503 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
4504 | QualType KmpTaskTWithPrivatesQTy, QualType KmpTaskTQTy, | |||
4505 | QualType SharedsPtrTy, llvm::Function *TaskFunction, | |||
4506 | llvm::Value *TaskPrivatesMap) { | |||
4507 | ASTContext &C = CGM.getContext(); | |||
4508 | FunctionArgList Args; | |||
4509 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | |||
4510 | ImplicitParamDecl::Other); | |||
4511 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4512 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | |||
4513 | ImplicitParamDecl::Other); | |||
4514 | Args.push_back(&GtidArg); | |||
4515 | Args.push_back(&TaskTypeArg); | |||
4516 | const auto &TaskEntryFnInfo = | |||
4517 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | |||
4518 | llvm::FunctionType *TaskEntryTy = | |||
4519 | CGM.getTypes().GetFunctionType(TaskEntryFnInfo); | |||
4520 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_entry", ""}); | |||
4521 | auto *TaskEntry = llvm::Function::Create( | |||
4522 | TaskEntryTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | |||
4523 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskEntry, TaskEntryFnInfo); | |||
4524 | TaskEntry->setDoesNotRecurse(); | |||
4525 | CodeGenFunction CGF(CGM); | |||
4526 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, TaskEntry, TaskEntryFnInfo, Args, | |||
4527 | Loc, Loc); | |||
4528 | ||||
4529 | // TaskFunction(gtid, tt->task_data.part_id, &tt->privates, task_privates_map, | |||
4530 | // tt, | |||
4531 | // For taskloops: | |||
4532 | // tt->task_data.lb, tt->task_data.ub, tt->task_data.st, tt->task_data.liter, | |||
4533 | // tt->task_data.shareds); | |||
4534 | llvm::Value *GtidParam = CGF.EmitLoadOfScalar( | |||
4535 | CGF.GetAddrOfLocalVar(&GtidArg), /*Volatile=*/false, KmpInt32Ty, Loc); | |||
4536 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
4537 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | |||
4538 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
4539 | const auto *KmpTaskTWithPrivatesQTyRD = | |||
4540 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | |||
4541 | LValue Base = | |||
4542 | CGF.EmitLValueForField(TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4543 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | |||
4544 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | |||
4545 | LValue PartIdLVal = CGF.EmitLValueForField(Base, *PartIdFI); | |||
4546 | llvm::Value *PartidParam = PartIdLVal.getPointer(CGF); | |||
4547 | ||||
4548 | auto SharedsFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTShareds); | |||
4549 | LValue SharedsLVal = CGF.EmitLValueForField(Base, *SharedsFI); | |||
4550 | llvm::Value *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4551 | CGF.EmitLoadOfScalar(SharedsLVal, Loc), | |||
4552 | CGF.ConvertTypeForMem(SharedsPtrTy)); | |||
4553 | ||||
4554 | auto PrivatesFI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | |||
4555 | llvm::Value *PrivatesParam; | |||
4556 | if (PrivatesFI != KmpTaskTWithPrivatesQTyRD->field_end()) { | |||
4557 | LValue PrivatesLVal = CGF.EmitLValueForField(TDBase, *PrivatesFI); | |||
4558 | PrivatesParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4559 | PrivatesLVal.getPointer(CGF), CGF.VoidPtrTy); | |||
4560 | } else { | |||
4561 | PrivatesParam = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
4562 | } | |||
4563 | ||||
4564 | llvm::Value *CommonArgs[] = {GtidParam, PartidParam, PrivatesParam, | |||
4565 | TaskPrivatesMap, | |||
4566 | CGF.Builder | |||
4567 | .CreatePointerBitCastOrAddrSpaceCast( | |||
4568 | TDBase.getAddress(CGF), CGF.VoidPtrTy) | |||
4569 | .getPointer()}; | |||
4570 | SmallVector<llvm::Value *, 16> CallArgs(std::begin(CommonArgs), | |||
4571 | std::end(CommonArgs)); | |||
4572 | if (isOpenMPTaskLoopDirective(Kind)) { | |||
4573 | auto LBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound); | |||
4574 | LValue LBLVal = CGF.EmitLValueForField(Base, *LBFI); | |||
4575 | llvm::Value *LBParam = CGF.EmitLoadOfScalar(LBLVal, Loc); | |||
4576 | auto UBFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound); | |||
4577 | LValue UBLVal = CGF.EmitLValueForField(Base, *UBFI); | |||
4578 | llvm::Value *UBParam = CGF.EmitLoadOfScalar(UBLVal, Loc); | |||
4579 | auto StFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTStride); | |||
4580 | LValue StLVal = CGF.EmitLValueForField(Base, *StFI); | |||
4581 | llvm::Value *StParam = CGF.EmitLoadOfScalar(StLVal, Loc); | |||
4582 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | |||
4583 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | |||
4584 | llvm::Value *LIParam = CGF.EmitLoadOfScalar(LILVal, Loc); | |||
4585 | auto RFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTReductions); | |||
4586 | LValue RLVal = CGF.EmitLValueForField(Base, *RFI); | |||
4587 | llvm::Value *RParam = CGF.EmitLoadOfScalar(RLVal, Loc); | |||
4588 | CallArgs.push_back(LBParam); | |||
4589 | CallArgs.push_back(UBParam); | |||
4590 | CallArgs.push_back(StParam); | |||
4591 | CallArgs.push_back(LIParam); | |||
4592 | CallArgs.push_back(RParam); | |||
4593 | } | |||
4594 | CallArgs.push_back(SharedsParam); | |||
4595 | ||||
4596 | CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskFunction, | |||
4597 | CallArgs); | |||
4598 | CGF.EmitStoreThroughLValue(RValue::get(CGF.Builder.getInt32(/*C=*/0)), | |||
4599 | CGF.MakeAddrLValue(CGF.ReturnValue, KmpInt32Ty)); | |||
4600 | CGF.FinishFunction(); | |||
4601 | return TaskEntry; | |||
4602 | } | |||
4603 | ||||
4604 | static llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, | |||
4605 | SourceLocation Loc, | |||
4606 | QualType KmpInt32Ty, | |||
4607 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
4608 | QualType KmpTaskTWithPrivatesQTy) { | |||
4609 | ASTContext &C = CGM.getContext(); | |||
4610 | FunctionArgList Args; | |||
4611 | ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty, | |||
4612 | ImplicitParamDecl::Other); | |||
4613 | ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4614 | KmpTaskTWithPrivatesPtrQTy.withRestrict(), | |||
4615 | ImplicitParamDecl::Other); | |||
4616 | Args.push_back(&GtidArg); | |||
4617 | Args.push_back(&TaskTypeArg); | |||
4618 | const auto &DestructorFnInfo = | |||
4619 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(KmpInt32Ty, Args); | |||
4620 | llvm::FunctionType *DestructorFnTy = | |||
4621 | CGM.getTypes().GetFunctionType(DestructorFnInfo); | |||
4622 | std::string Name = | |||
4623 | CGM.getOpenMPRuntime().getName({"omp_task_destructor", ""}); | |||
4624 | auto *DestructorFn = | |||
4625 | llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage, | |||
4626 | Name, &CGM.getModule()); | |||
4627 | CGM.SetInternalFunctionAttributes(GlobalDecl(), DestructorFn, | |||
4628 | DestructorFnInfo); | |||
4629 | DestructorFn->setDoesNotRecurse(); | |||
4630 | CodeGenFunction CGF(CGM); | |||
4631 | CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo, | |||
4632 | Args, Loc, Loc); | |||
4633 | ||||
4634 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
4635 | CGF.GetAddrOfLocalVar(&TaskTypeArg), | |||
4636 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
4637 | const auto *KmpTaskTWithPrivatesQTyRD = | |||
4638 | cast<RecordDecl>(KmpTaskTWithPrivatesQTy->getAsTagDecl()); | |||
4639 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4640 | Base = CGF.EmitLValueForField(Base, *FI); | |||
4641 | for (const auto *Field : | |||
4642 | cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) { | |||
4643 | if (QualType::DestructionKind DtorKind = | |||
4644 | Field->getType().isDestructedType()) { | |||
4645 | LValue FieldLValue = CGF.EmitLValueForField(Base, Field); | |||
4646 | CGF.pushDestroy(DtorKind, FieldLValue.getAddress(CGF), Field->getType()); | |||
4647 | } | |||
4648 | } | |||
4649 | CGF.FinishFunction(); | |||
4650 | return DestructorFn; | |||
4651 | } | |||
4652 | ||||
4653 | /// Emit a privates mapping function for correct handling of private and | |||
4654 | /// firstprivate variables. | |||
4655 | /// \code | |||
4656 | /// void .omp_task_privates_map.(const .privates. *noalias privs, <ty1> | |||
4657 | /// **noalias priv1,..., <tyn> **noalias privn) { | |||
4658 | /// *priv1 = &.privates.priv1; | |||
4659 | /// ...; | |||
4660 | /// *privn = &.privates.privn; | |||
4661 | /// } | |||
4662 | /// \endcode | |||
4663 | static llvm::Value * | |||
4664 | emitTaskPrivateMappingFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
4665 | ArrayRef<const Expr *> PrivateVars, | |||
4666 | ArrayRef<const Expr *> FirstprivateVars, | |||
4667 | ArrayRef<const Expr *> LastprivateVars, | |||
4668 | QualType PrivatesQTy, | |||
4669 | ArrayRef<PrivateDataTy> Privates) { | |||
4670 | ASTContext &C = CGM.getContext(); | |||
4671 | FunctionArgList Args; | |||
4672 | ImplicitParamDecl TaskPrivatesArg( | |||
4673 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4674 | C.getPointerType(PrivatesQTy).withConst().withRestrict(), | |||
4675 | ImplicitParamDecl::Other); | |||
4676 | Args.push_back(&TaskPrivatesArg); | |||
4677 | llvm::DenseMap<const VarDecl *, unsigned> PrivateVarsPos; | |||
4678 | unsigned Counter = 1; | |||
4679 | for (const Expr *E : PrivateVars) { | |||
4680 | Args.push_back(ImplicitParamDecl::Create( | |||
4681 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4682 | C.getPointerType(C.getPointerType(E->getType())) | |||
4683 | .withConst() | |||
4684 | .withRestrict(), | |||
4685 | ImplicitParamDecl::Other)); | |||
4686 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4687 | PrivateVarsPos[VD] = Counter; | |||
4688 | ++Counter; | |||
4689 | } | |||
4690 | for (const Expr *E : FirstprivateVars) { | |||
4691 | Args.push_back(ImplicitParamDecl::Create( | |||
4692 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4693 | C.getPointerType(C.getPointerType(E->getType())) | |||
4694 | .withConst() | |||
4695 | .withRestrict(), | |||
4696 | ImplicitParamDecl::Other)); | |||
4697 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4698 | PrivateVarsPos[VD] = Counter; | |||
4699 | ++Counter; | |||
4700 | } | |||
4701 | for (const Expr *E : LastprivateVars) { | |||
4702 | Args.push_back(ImplicitParamDecl::Create( | |||
4703 | C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4704 | C.getPointerType(C.getPointerType(E->getType())) | |||
4705 | .withConst() | |||
4706 | .withRestrict(), | |||
4707 | ImplicitParamDecl::Other)); | |||
4708 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4709 | PrivateVarsPos[VD] = Counter; | |||
4710 | ++Counter; | |||
4711 | } | |||
4712 | const auto &TaskPrivatesMapFnInfo = | |||
4713 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
4714 | llvm::FunctionType *TaskPrivatesMapTy = | |||
4715 | CGM.getTypes().GetFunctionType(TaskPrivatesMapFnInfo); | |||
4716 | std::string Name = | |||
4717 | CGM.getOpenMPRuntime().getName({"omp_task_privates_map", ""}); | |||
4718 | auto *TaskPrivatesMap = llvm::Function::Create( | |||
4719 | TaskPrivatesMapTy, llvm::GlobalValue::InternalLinkage, Name, | |||
4720 | &CGM.getModule()); | |||
4721 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskPrivatesMap, | |||
4722 | TaskPrivatesMapFnInfo); | |||
4723 | if (CGM.getLangOpts().Optimize) { | |||
4724 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::NoInline); | |||
4725 | TaskPrivatesMap->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
4726 | TaskPrivatesMap->addFnAttr(llvm::Attribute::AlwaysInline); | |||
4727 | } | |||
4728 | CodeGenFunction CGF(CGM); | |||
4729 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskPrivatesMap, | |||
4730 | TaskPrivatesMapFnInfo, Args, Loc, Loc); | |||
4731 | ||||
4732 | // *privi = &.privates.privi; | |||
4733 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
4734 | CGF.GetAddrOfLocalVar(&TaskPrivatesArg), | |||
4735 | TaskPrivatesArg.getType()->castAs<PointerType>()); | |||
4736 | const auto *PrivatesQTyRD = cast<RecordDecl>(PrivatesQTy->getAsTagDecl()); | |||
4737 | Counter = 0; | |||
4738 | for (const FieldDecl *Field : PrivatesQTyRD->fields()) { | |||
4739 | LValue FieldLVal = CGF.EmitLValueForField(Base, Field); | |||
4740 | const VarDecl *VD = Args[PrivateVarsPos[Privates[Counter].second.Original]]; | |||
4741 | LValue RefLVal = | |||
4742 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(VD), VD->getType()); | |||
4743 | LValue RefLoadLVal = CGF.EmitLoadOfPointerLValue( | |||
4744 | RefLVal.getAddress(CGF), RefLVal.getType()->castAs<PointerType>()); | |||
4745 | CGF.EmitStoreOfScalar(FieldLVal.getPointer(CGF), RefLoadLVal); | |||
4746 | ++Counter; | |||
4747 | } | |||
4748 | CGF.FinishFunction(); | |||
4749 | return TaskPrivatesMap; | |||
4750 | } | |||
4751 | ||||
4752 | /// Emit initialization for private variables in task-based directives. | |||
4753 | static void emitPrivatesInit(CodeGenFunction &CGF, | |||
4754 | const OMPExecutableDirective &D, | |||
4755 | Address KmpTaskSharedsPtr, LValue TDBase, | |||
4756 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | |||
4757 | QualType SharedsTy, QualType SharedsPtrTy, | |||
4758 | const OMPTaskDataTy &Data, | |||
4759 | ArrayRef<PrivateDataTy> Privates, bool ForDup) { | |||
4760 | ASTContext &C = CGF.getContext(); | |||
4761 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4762 | LValue PrivatesBase = CGF.EmitLValueForField(TDBase, *FI); | |||
4763 | OpenMPDirectiveKind Kind = isOpenMPTaskLoopDirective(D.getDirectiveKind()) | |||
4764 | ? OMPD_taskloop | |||
4765 | : OMPD_task; | |||
4766 | const CapturedStmt &CS = *D.getCapturedStmt(Kind); | |||
4767 | CodeGenFunction::CGCapturedStmtInfo CapturesInfo(CS); | |||
4768 | LValue SrcBase; | |||
4769 | bool IsTargetTask = | |||
4770 | isOpenMPTargetDataManagementDirective(D.getDirectiveKind()) || | |||
4771 | isOpenMPTargetExecutionDirective(D.getDirectiveKind()); | |||
4772 | // For target-based directives skip 3 firstprivate arrays BasePointersArray, | |||
4773 | // PointersArray and SizesArray. The original variables for these arrays are | |||
4774 | // not captured and we get their addresses explicitly. | |||
4775 | if ((!IsTargetTask && !Data.FirstprivateVars.empty()) || | |||
4776 | (IsTargetTask && KmpTaskSharedsPtr.isValid())) { | |||
4777 | SrcBase = CGF.MakeAddrLValue( | |||
4778 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
4779 | KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy)), | |||
4780 | SharedsTy); | |||
4781 | } | |||
4782 | FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin(); | |||
4783 | for (const PrivateDataTy &Pair : Privates) { | |||
4784 | const VarDecl *VD = Pair.second.PrivateCopy; | |||
4785 | const Expr *Init = VD->getAnyInitializer(); | |||
4786 | if (Init && (!ForDup || (isa<CXXConstructExpr>(Init) && | |||
4787 | !CGF.isTrivialInitializer(Init)))) { | |||
4788 | LValue PrivateLValue = CGF.EmitLValueForField(PrivatesBase, *FI); | |||
4789 | if (const VarDecl *Elem = Pair.second.PrivateElemInit) { | |||
4790 | const VarDecl *OriginalVD = Pair.second.Original; | |||
4791 | // Check if the variable is the target-based BasePointersArray, | |||
4792 | // PointersArray or SizesArray. | |||
4793 | LValue SharedRefLValue; | |||
4794 | QualType Type = PrivateLValue.getType(); | |||
4795 | const FieldDecl *SharedField = CapturesInfo.lookup(OriginalVD); | |||
4796 | if (IsTargetTask && !SharedField) { | |||
4797 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4798 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4799 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4800 | ->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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4801 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4802 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4803 | ->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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)) | |||
4804 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4804, __PRETTY_FUNCTION__)); | |||
4805 | SharedRefLValue = | |||
4806 | CGF.MakeAddrLValue(CGF.GetAddrOfLocalVar(OriginalVD), Type); | |||
4807 | } else { | |||
4808 | SharedRefLValue = CGF.EmitLValueForField(SrcBase, SharedField); | |||
4809 | SharedRefLValue = CGF.MakeAddrLValue( | |||
4810 | Address(SharedRefLValue.getPointer(CGF), | |||
4811 | C.getDeclAlign(OriginalVD)), | |||
4812 | SharedRefLValue.getType(), LValueBaseInfo(AlignmentSource::Decl), | |||
4813 | SharedRefLValue.getTBAAInfo()); | |||
4814 | } | |||
4815 | if (Type->isArrayType()) { | |||
4816 | // Initialize firstprivate array. | |||
4817 | if (!isa<CXXConstructExpr>(Init) || CGF.isTrivialInitializer(Init)) { | |||
4818 | // Perform simple memcpy. | |||
4819 | CGF.EmitAggregateAssign(PrivateLValue, SharedRefLValue, Type); | |||
4820 | } else { | |||
4821 | // Initialize firstprivate array using element-by-element | |||
4822 | // initialization. | |||
4823 | CGF.EmitOMPAggregateAssign( | |||
4824 | PrivateLValue.getAddress(CGF), SharedRefLValue.getAddress(CGF), | |||
4825 | Type, | |||
4826 | [&CGF, Elem, Init, &CapturesInfo](Address DestElement, | |||
4827 | Address SrcElement) { | |||
4828 | // Clean up any temporaries needed by the initialization. | |||
4829 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | |||
4830 | InitScope.addPrivate( | |||
4831 | Elem, [SrcElement]() -> Address { return SrcElement; }); | |||
4832 | (void)InitScope.Privatize(); | |||
4833 | // Emit initialization for single element. | |||
4834 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII( | |||
4835 | CGF, &CapturesInfo); | |||
4836 | CGF.EmitAnyExprToMem(Init, DestElement, | |||
4837 | Init->getType().getQualifiers(), | |||
4838 | /*IsInitializer=*/false); | |||
4839 | }); | |||
4840 | } | |||
4841 | } else { | |||
4842 | CodeGenFunction::OMPPrivateScope InitScope(CGF); | |||
4843 | InitScope.addPrivate(Elem, [SharedRefLValue, &CGF]() -> Address { | |||
4844 | return SharedRefLValue.getAddress(CGF); | |||
4845 | }); | |||
4846 | (void)InitScope.Privatize(); | |||
4847 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CapturesInfo); | |||
4848 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, | |||
4849 | /*capturedByInit=*/false); | |||
4850 | } | |||
4851 | } else { | |||
4852 | CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false); | |||
4853 | } | |||
4854 | } | |||
4855 | ++FI; | |||
4856 | } | |||
4857 | } | |||
4858 | ||||
4859 | /// Check if duplication function is required for taskloops. | |||
4860 | static bool checkInitIsRequired(CodeGenFunction &CGF, | |||
4861 | ArrayRef<PrivateDataTy> Privates) { | |||
4862 | bool InitRequired = false; | |||
4863 | for (const PrivateDataTy &Pair : Privates) { | |||
4864 | const VarDecl *VD = Pair.second.PrivateCopy; | |||
4865 | const Expr *Init = VD->getAnyInitializer(); | |||
4866 | InitRequired = InitRequired || (Init && isa<CXXConstructExpr>(Init) && | |||
4867 | !CGF.isTrivialInitializer(Init)); | |||
4868 | if (InitRequired) | |||
4869 | break; | |||
4870 | } | |||
4871 | return InitRequired; | |||
4872 | } | |||
4873 | ||||
4874 | ||||
4875 | /// Emit task_dup function (for initialization of | |||
4876 | /// private/firstprivate/lastprivate vars and last_iter flag) | |||
4877 | /// \code | |||
4878 | /// void __task_dup_entry(kmp_task_t *task_dst, const kmp_task_t *task_src, int | |||
4879 | /// lastpriv) { | |||
4880 | /// // setup lastprivate flag | |||
4881 | /// task_dst->last = lastpriv; | |||
4882 | /// // could be constructor calls here... | |||
4883 | /// } | |||
4884 | /// \endcode | |||
4885 | static llvm::Value * | |||
4886 | emitTaskDupFunction(CodeGenModule &CGM, SourceLocation Loc, | |||
4887 | const OMPExecutableDirective &D, | |||
4888 | QualType KmpTaskTWithPrivatesPtrQTy, | |||
4889 | const RecordDecl *KmpTaskTWithPrivatesQTyRD, | |||
4890 | const RecordDecl *KmpTaskTQTyRD, QualType SharedsTy, | |||
4891 | QualType SharedsPtrTy, const OMPTaskDataTy &Data, | |||
4892 | ArrayRef<PrivateDataTy> Privates, bool WithLastIter) { | |||
4893 | ASTContext &C = CGM.getContext(); | |||
4894 | FunctionArgList Args; | |||
4895 | ImplicitParamDecl DstArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4896 | KmpTaskTWithPrivatesPtrQTy, | |||
4897 | ImplicitParamDecl::Other); | |||
4898 | ImplicitParamDecl SrcArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
4899 | KmpTaskTWithPrivatesPtrQTy, | |||
4900 | ImplicitParamDecl::Other); | |||
4901 | ImplicitParamDecl LastprivArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.IntTy, | |||
4902 | ImplicitParamDecl::Other); | |||
4903 | Args.push_back(&DstArg); | |||
4904 | Args.push_back(&SrcArg); | |||
4905 | Args.push_back(&LastprivArg); | |||
4906 | const auto &TaskDupFnInfo = | |||
4907 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
4908 | llvm::FunctionType *TaskDupTy = CGM.getTypes().GetFunctionType(TaskDupFnInfo); | |||
4909 | std::string Name = CGM.getOpenMPRuntime().getName({"omp_task_dup", ""}); | |||
4910 | auto *TaskDup = llvm::Function::Create( | |||
4911 | TaskDupTy, llvm::GlobalValue::InternalLinkage, Name, &CGM.getModule()); | |||
4912 | CGM.SetInternalFunctionAttributes(GlobalDecl(), TaskDup, TaskDupFnInfo); | |||
4913 | TaskDup->setDoesNotRecurse(); | |||
4914 | CodeGenFunction CGF(CGM); | |||
4915 | CGF.StartFunction(GlobalDecl(), C.VoidTy, TaskDup, TaskDupFnInfo, Args, Loc, | |||
4916 | Loc); | |||
4917 | ||||
4918 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
4919 | CGF.GetAddrOfLocalVar(&DstArg), | |||
4920 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
4921 | // task_dst->liter = lastpriv; | |||
4922 | if (WithLastIter) { | |||
4923 | auto LIFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTLastIter); | |||
4924 | LValue Base = CGF.EmitLValueForField( | |||
4925 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4926 | LValue LILVal = CGF.EmitLValueForField(Base, *LIFI); | |||
4927 | llvm::Value *Lastpriv = CGF.EmitLoadOfScalar( | |||
4928 | CGF.GetAddrOfLocalVar(&LastprivArg), /*Volatile=*/false, C.IntTy, Loc); | |||
4929 | CGF.EmitStoreOfScalar(Lastpriv, LILVal); | |||
4930 | } | |||
4931 | ||||
4932 | // Emit initial values for private copies (if any). | |||
4933 | assert(!Privates.empty())((!Privates.empty()) ? static_cast<void> (0) : __assert_fail ("!Privates.empty()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 4933, __PRETTY_FUNCTION__)); | |||
4934 | Address KmpTaskSharedsPtr = Address::invalid(); | |||
4935 | if (!Data.FirstprivateVars.empty()) { | |||
4936 | LValue TDBase = CGF.EmitLoadOfPointerLValue( | |||
4937 | CGF.GetAddrOfLocalVar(&SrcArg), | |||
4938 | KmpTaskTWithPrivatesPtrQTy->castAs<PointerType>()); | |||
4939 | LValue Base = CGF.EmitLValueForField( | |||
4940 | TDBase, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
4941 | KmpTaskSharedsPtr = Address( | |||
4942 | CGF.EmitLoadOfScalar(CGF.EmitLValueForField( | |||
4943 | Base, *std::next(KmpTaskTQTyRD->field_begin(), | |||
4944 | KmpTaskTShareds)), | |||
4945 | Loc), | |||
4946 | CGF.getNaturalTypeAlignment(SharedsTy)); | |||
4947 | } | |||
4948 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, TDBase, KmpTaskTWithPrivatesQTyRD, | |||
4949 | SharedsTy, SharedsPtrTy, Data, Privates, /*ForDup=*/true); | |||
4950 | CGF.FinishFunction(); | |||
4951 | return TaskDup; | |||
4952 | } | |||
4953 | ||||
4954 | /// Checks if destructor function is required to be generated. | |||
4955 | /// \return true if cleanups are required, false otherwise. | |||
4956 | static bool | |||
4957 | checkDestructorsRequired(const RecordDecl *KmpTaskTWithPrivatesQTyRD) { | |||
4958 | bool NeedsCleanup = false; | |||
4959 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin(), 1); | |||
4960 | const auto *PrivateRD = cast<RecordDecl>(FI->getType()->getAsTagDecl()); | |||
4961 | for (const FieldDecl *FD : PrivateRD->fields()) { | |||
4962 | NeedsCleanup = NeedsCleanup || FD->getType().isDestructedType(); | |||
4963 | if (NeedsCleanup) | |||
4964 | break; | |||
4965 | } | |||
4966 | return NeedsCleanup; | |||
4967 | } | |||
4968 | ||||
4969 | CGOpenMPRuntime::TaskResultTy | |||
4970 | CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc, | |||
4971 | const OMPExecutableDirective &D, | |||
4972 | llvm::Function *TaskFunction, QualType SharedsTy, | |||
4973 | Address Shareds, const OMPTaskDataTy &Data) { | |||
4974 | ASTContext &C = CGM.getContext(); | |||
4975 | llvm::SmallVector<PrivateDataTy, 4> Privates; | |||
4976 | // Aggregate privates and sort them by the alignment. | |||
4977 | auto I = Data.PrivateCopies.begin(); | |||
4978 | for (const Expr *E : Data.PrivateVars) { | |||
4979 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4980 | Privates.emplace_back( | |||
4981 | C.getDeclAlign(VD), | |||
4982 | PrivateHelpersTy(VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
4983 | /*PrivateElemInit=*/nullptr)); | |||
4984 | ++I; | |||
4985 | } | |||
4986 | I = Data.FirstprivateCopies.begin(); | |||
4987 | auto IElemInitRef = Data.FirstprivateInits.begin(); | |||
4988 | for (const Expr *E : Data.FirstprivateVars) { | |||
4989 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
4990 | Privates.emplace_back( | |||
4991 | C.getDeclAlign(VD), | |||
4992 | PrivateHelpersTy( | |||
4993 | VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
4994 | cast<VarDecl>(cast<DeclRefExpr>(*IElemInitRef)->getDecl()))); | |||
4995 | ++I; | |||
4996 | ++IElemInitRef; | |||
4997 | } | |||
4998 | I = Data.LastprivateCopies.begin(); | |||
4999 | for (const Expr *E : Data.LastprivateVars) { | |||
5000 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl()); | |||
5001 | Privates.emplace_back( | |||
5002 | C.getDeclAlign(VD), | |||
5003 | PrivateHelpersTy(VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()), | |||
5004 | /*PrivateElemInit=*/nullptr)); | |||
5005 | ++I; | |||
5006 | } | |||
5007 | llvm::stable_sort(Privates, [](PrivateDataTy L, PrivateDataTy R) { | |||
5008 | return L.first > R.first; | |||
5009 | }); | |||
5010 | QualType KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
5011 | // Build type kmp_routine_entry_t (if not built yet). | |||
5012 | emitKmpRoutineEntryT(KmpInt32Ty); | |||
5013 | // Build type kmp_task_t (if not built yet). | |||
5014 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) { | |||
5015 | if (SavedKmpTaskloopTQTy.isNull()) { | |||
5016 | SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl( | |||
5017 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | |||
5018 | } | |||
5019 | KmpTaskTQTy = SavedKmpTaskloopTQTy; | |||
5020 | } else { | |||
5021 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5024, __PRETTY_FUNCTION__)) | |||
5022 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5024, __PRETTY_FUNCTION__)) | |||
5023 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5024, __PRETTY_FUNCTION__)) | |||
5024 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5024, __PRETTY_FUNCTION__)); | |||
5025 | if (SavedKmpTaskTQTy.isNull()) { | |||
5026 | SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl( | |||
5027 | CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy)); | |||
5028 | } | |||
5029 | KmpTaskTQTy = SavedKmpTaskTQTy; | |||
5030 | } | |||
5031 | const auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl()); | |||
5032 | // Build particular struct kmp_task_t for the given task. | |||
5033 | const RecordDecl *KmpTaskTWithPrivatesQTyRD = | |||
5034 | createKmpTaskTWithPrivatesRecordDecl(CGM, KmpTaskTQTy, Privates); | |||
5035 | QualType KmpTaskTWithPrivatesQTy = C.getRecordType(KmpTaskTWithPrivatesQTyRD); | |||
5036 | QualType KmpTaskTWithPrivatesPtrQTy = | |||
5037 | C.getPointerType(KmpTaskTWithPrivatesQTy); | |||
5038 | llvm::Type *KmpTaskTWithPrivatesTy = CGF.ConvertType(KmpTaskTWithPrivatesQTy); | |||
5039 | llvm::Type *KmpTaskTWithPrivatesPtrTy = | |||
5040 | KmpTaskTWithPrivatesTy->getPointerTo(); | |||
5041 | llvm::Value *KmpTaskTWithPrivatesTySize = | |||
5042 | CGF.getTypeSize(KmpTaskTWithPrivatesQTy); | |||
5043 | QualType SharedsPtrTy = C.getPointerType(SharedsTy); | |||
5044 | ||||
5045 | // Emit initial values for private copies (if any). | |||
5046 | llvm::Value *TaskPrivatesMap = nullptr; | |||
5047 | llvm::Type *TaskPrivatesMapTy = | |||
5048 | std::next(TaskFunction->arg_begin(), 3)->getType(); | |||
5049 | if (!Privates.empty()) { | |||
5050 | auto FI = std::next(KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
5051 | TaskPrivatesMap = emitTaskPrivateMappingFunction( | |||
5052 | CGM, Loc, Data.PrivateVars, Data.FirstprivateVars, Data.LastprivateVars, | |||
5053 | FI->getType(), Privates); | |||
5054 | TaskPrivatesMap = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5055 | TaskPrivatesMap, TaskPrivatesMapTy); | |||
5056 | } else { | |||
5057 | TaskPrivatesMap = llvm::ConstantPointerNull::get( | |||
5058 | cast<llvm::PointerType>(TaskPrivatesMapTy)); | |||
5059 | } | |||
5060 | // Build a proxy function kmp_int32 .omp_task_entry.(kmp_int32 gtid, | |||
5061 | // kmp_task_t *tt); | |||
5062 | llvm::Function *TaskEntry = emitProxyTaskFunction( | |||
5063 | CGM, Loc, D.getDirectiveKind(), KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | |||
5064 | KmpTaskTWithPrivatesQTy, KmpTaskTQTy, SharedsPtrTy, TaskFunction, | |||
5065 | TaskPrivatesMap); | |||
5066 | ||||
5067 | // Build call kmp_task_t * __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, | |||
5068 | // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, | |||
5069 | // kmp_routine_entry_t *task_entry); | |||
5070 | // Task flags. Format is taken from | |||
5071 | // https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h, | |||
5072 | // description of kmp_tasking_flags struct. | |||
5073 | enum { | |||
5074 | TiedFlag = 0x1, | |||
5075 | FinalFlag = 0x2, | |||
5076 | DestructorsFlag = 0x8, | |||
5077 | PriorityFlag = 0x20 | |||
5078 | }; | |||
5079 | unsigned Flags = Data.Tied ? TiedFlag : 0; | |||
5080 | bool NeedsCleanup = false; | |||
5081 | if (!Privates.empty()) { | |||
5082 | NeedsCleanup = checkDestructorsRequired(KmpTaskTWithPrivatesQTyRD); | |||
5083 | if (NeedsCleanup) | |||
5084 | Flags = Flags | DestructorsFlag; | |||
5085 | } | |||
5086 | if (Data.Priority.getInt()) | |||
5087 | Flags = Flags | PriorityFlag; | |||
5088 | llvm::Value *TaskFlags = | |||
5089 | Data.Final.getPointer() | |||
5090 | ? CGF.Builder.CreateSelect(Data.Final.getPointer(), | |||
5091 | CGF.Builder.getInt32(FinalFlag), | |||
5092 | CGF.Builder.getInt32(/*C=*/0)) | |||
5093 | : CGF.Builder.getInt32(Data.Final.getInt() ? FinalFlag : 0); | |||
5094 | TaskFlags = CGF.Builder.CreateOr(TaskFlags, CGF.Builder.getInt32(Flags)); | |||
5095 | llvm::Value *SharedsSize = CGM.getSize(C.getTypeSizeInChars(SharedsTy)); | |||
5096 | SmallVector<llvm::Value *, 8> AllocArgs = {emitUpdateLocation(CGF, Loc), | |||
5097 | getThreadID(CGF, Loc), TaskFlags, KmpTaskTWithPrivatesTySize, | |||
5098 | SharedsSize, CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5099 | TaskEntry, KmpRoutineEntryPtrTy)}; | |||
5100 | llvm::Value *NewTask; | |||
5101 | if (D.hasClausesOfKind<OMPNowaitClause>()) { | |||
5102 | // Check if we have any device clause associated with the directive. | |||
5103 | const Expr *Device = nullptr; | |||
5104 | if (auto *C = D.getSingleClause<OMPDeviceClause>()) | |||
5105 | Device = C->getDevice(); | |||
5106 | // Emit device ID if any otherwise use default value. | |||
5107 | llvm::Value *DeviceID; | |||
5108 | if (Device) | |||
5109 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
5110 | CGF.Int64Ty, /*isSigned=*/true); | |||
5111 | else | |||
5112 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
5113 | AllocArgs.push_back(DeviceID); | |||
5114 | NewTask = CGF.EmitRuntimeCall( | |||
5115 | createRuntimeFunction(OMPRTL__kmpc_omp_target_task_alloc), AllocArgs); | |||
5116 | } else { | |||
5117 | NewTask = CGF.EmitRuntimeCall( | |||
5118 | createRuntimeFunction(OMPRTL__kmpc_omp_task_alloc), AllocArgs); | |||
5119 | } | |||
5120 | llvm::Value *NewTaskNewTaskTTy = | |||
5121 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5122 | NewTask, KmpTaskTWithPrivatesPtrTy); | |||
5123 | LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, | |||
5124 | KmpTaskTWithPrivatesQTy); | |||
5125 | LValue TDBase = | |||
5126 | CGF.EmitLValueForField(Base, *KmpTaskTWithPrivatesQTyRD->field_begin()); | |||
5127 | // Fill the data in the resulting kmp_task_t record. | |||
5128 | // Copy shareds if there are any. | |||
5129 | Address KmpTaskSharedsPtr = Address::invalid(); | |||
5130 | if (!SharedsTy->getAsStructureType()->getDecl()->field_empty()) { | |||
5131 | KmpTaskSharedsPtr = | |||
5132 | Address(CGF.EmitLoadOfScalar( | |||
5133 | CGF.EmitLValueForField( | |||
5134 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), | |||
5135 | KmpTaskTShareds)), | |||
5136 | Loc), | |||
5137 | CGF.getNaturalTypeAlignment(SharedsTy)); | |||
5138 | LValue Dest = CGF.MakeAddrLValue(KmpTaskSharedsPtr, SharedsTy); | |||
5139 | LValue Src = CGF.MakeAddrLValue(Shareds, SharedsTy); | |||
5140 | CGF.EmitAggregateCopy(Dest, Src, SharedsTy, AggValueSlot::DoesNotOverlap); | |||
5141 | } | |||
5142 | // Emit initial values for private copies (if any). | |||
5143 | TaskResultTy Result; | |||
5144 | if (!Privates.empty()) { | |||
5145 | emitPrivatesInit(CGF, D, KmpTaskSharedsPtr, Base, KmpTaskTWithPrivatesQTyRD, | |||
5146 | SharedsTy, SharedsPtrTy, Data, Privates, | |||
5147 | /*ForDup=*/false); | |||
5148 | if (isOpenMPTaskLoopDirective(D.getDirectiveKind()) && | |||
5149 | (!Data.LastprivateVars.empty() || checkInitIsRequired(CGF, Privates))) { | |||
5150 | Result.TaskDupFn = emitTaskDupFunction( | |||
5151 | CGM, Loc, D, KmpTaskTWithPrivatesPtrQTy, KmpTaskTWithPrivatesQTyRD, | |||
5152 | KmpTaskTQTyRD, SharedsTy, SharedsPtrTy, Data, Privates, | |||
5153 | /*WithLastIter=*/!Data.LastprivateVars.empty()); | |||
5154 | } | |||
5155 | } | |||
5156 | // Fields of union "kmp_cmplrdata_t" for destructors and priority. | |||
5157 | enum { Priority = 0, Destructors = 1 }; | |||
5158 | // Provide pointer to function with destructors for privates. | |||
5159 | auto FI = std::next(KmpTaskTQTyRD->field_begin(), Data1); | |||
5160 | const RecordDecl *KmpCmplrdataUD = | |||
5161 | (*FI)->getType()->getAsUnionType()->getDecl(); | |||
5162 | if (NeedsCleanup) { | |||
5163 | llvm::Value *DestructorFn = emitDestructorsFunction( | |||
5164 | CGM, Loc, KmpInt32Ty, KmpTaskTWithPrivatesPtrQTy, | |||
5165 | KmpTaskTWithPrivatesQTy); | |||
5166 | LValue Data1LV = CGF.EmitLValueForField(TDBase, *FI); | |||
5167 | LValue DestructorsLV = CGF.EmitLValueForField( | |||
5168 | Data1LV, *std::next(KmpCmplrdataUD->field_begin(), Destructors)); | |||
5169 | CGF.EmitStoreOfScalar(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5170 | DestructorFn, KmpRoutineEntryPtrTy), | |||
5171 | DestructorsLV); | |||
5172 | } | |||
5173 | // Set priority. | |||
5174 | if (Data.Priority.getInt()) { | |||
5175 | LValue Data2LV = CGF.EmitLValueForField( | |||
5176 | TDBase, *std::next(KmpTaskTQTyRD->field_begin(), Data2)); | |||
5177 | LValue PriorityLV = CGF.EmitLValueForField( | |||
5178 | Data2LV, *std::next(KmpCmplrdataUD->field_begin(), Priority)); | |||
5179 | CGF.EmitStoreOfScalar(Data.Priority.getPointer(), PriorityLV); | |||
5180 | } | |||
5181 | Result.NewTask = NewTask; | |||
5182 | Result.TaskEntry = TaskEntry; | |||
5183 | Result.NewTaskNewTaskTTy = NewTaskNewTaskTTy; | |||
5184 | Result.TDBase = TDBase; | |||
5185 | Result.KmpTaskTQTyRD = KmpTaskTQTyRD; | |||
5186 | return Result; | |||
5187 | } | |||
5188 | ||||
5189 | namespace { | |||
5190 | /// Dependence kind for RTL. | |||
5191 | enum RTLDependenceKindTy { | |||
5192 | DepIn = 0x01, | |||
5193 | DepInOut = 0x3, | |||
5194 | DepMutexInOutSet = 0x4 | |||
5195 | }; | |||
5196 | /// Fields ids in kmp_depend_info record. | |||
5197 | enum RTLDependInfoFieldsTy { BaseAddr, Len, Flags }; | |||
5198 | } // namespace | |||
5199 | ||||
5200 | /// Translates internal dependency kind into the runtime kind. | |||
5201 | static RTLDependenceKindTy translateDependencyKind(OpenMPDependClauseKind K) { | |||
5202 | RTLDependenceKindTy DepKind; | |||
5203 | switch (K) { | |||
5204 | case OMPC_DEPEND_in: | |||
5205 | DepKind = DepIn; | |||
5206 | break; | |||
5207 | // Out and InOut dependencies must use the same code. | |||
5208 | case OMPC_DEPEND_out: | |||
5209 | case OMPC_DEPEND_inout: | |||
5210 | DepKind = DepInOut; | |||
5211 | break; | |||
5212 | case OMPC_DEPEND_mutexinoutset: | |||
5213 | DepKind = DepMutexInOutSet; | |||
5214 | break; | |||
5215 | case OMPC_DEPEND_source: | |||
5216 | case OMPC_DEPEND_sink: | |||
5217 | case OMPC_DEPEND_depobj: | |||
5218 | case OMPC_DEPEND_unknown: | |||
5219 | llvm_unreachable("Unknown task dependence type")::llvm::llvm_unreachable_internal("Unknown task dependence type" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 5219); | |||
5220 | } | |||
5221 | return DepKind; | |||
5222 | } | |||
5223 | ||||
5224 | /// Builds kmp_depend_info, if it is not built yet, and builds flags type. | |||
5225 | static void getDependTypes(ASTContext &C, QualType &KmpDependInfoTy, | |||
5226 | QualType &FlagsTy) { | |||
5227 | FlagsTy = C.getIntTypeForBitwidth(C.getTypeSize(C.BoolTy), /*Signed=*/false); | |||
5228 | if (KmpDependInfoTy.isNull()) { | |||
5229 | RecordDecl *KmpDependInfoRD = C.buildImplicitRecord("kmp_depend_info"); | |||
5230 | KmpDependInfoRD->startDefinition(); | |||
5231 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getIntPtrType()); | |||
5232 | addFieldToRecordDecl(C, KmpDependInfoRD, C.getSizeType()); | |||
5233 | addFieldToRecordDecl(C, KmpDependInfoRD, FlagsTy); | |||
5234 | KmpDependInfoRD->completeDefinition(); | |||
5235 | KmpDependInfoTy = C.getRecordType(KmpDependInfoRD); | |||
5236 | } | |||
5237 | } | |||
5238 | ||||
5239 | Address CGOpenMPRuntime::emitDependClause( | |||
5240 | CodeGenFunction &CGF, | |||
5241 | ArrayRef<std::pair<OpenMPDependClauseKind, const Expr *>> Dependencies, | |||
5242 | bool ForDepobj, SourceLocation Loc) { | |||
5243 | // Process list of dependencies. | |||
5244 | ASTContext &C = CGM.getContext(); | |||
5245 | Address DependenciesArray = Address::invalid(); | |||
5246 | unsigned NumDependencies = Dependencies.size(); | |||
5247 | if (NumDependencies) { | |||
5248 | QualType FlagsTy; | |||
5249 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
5250 | RecordDecl *KmpDependInfoRD = | |||
5251 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
5252 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | |||
5253 | // Define type kmp_depend_info[<Dependencies.size()>]; | |||
5254 | // For depobj reserve one extra element to store the number of elements. | |||
5255 | // It is required to handle depobj(x) update(in) construct. | |||
5256 | QualType KmpDependInfoArrayTy = C.getConstantArrayType( | |||
5257 | KmpDependInfoTy, | |||
5258 | llvm::APInt(/*numBits=*/64, NumDependencies + (ForDepobj ? 1 : 0)), | |||
5259 | nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
5260 | // kmp_depend_info[<Dependencies.size()>] deps; | |||
5261 | if (ForDepobj) { | |||
5262 | // Need to allocate on the dynamic memory. | |||
5263 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5264 | // Use default allocator. | |||
5265 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5266 | CharUnits Align = C.getTypeAlignInChars(KmpDependInfoArrayTy); | |||
5267 | CharUnits Sz = C.getTypeSizeInChars(KmpDependInfoArrayTy); | |||
5268 | llvm::Value *Size = CGF.CGM.getSize(Sz.alignTo(Align)); | |||
5269 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | |||
5270 | ||||
5271 | llvm::Value *Addr = CGF.EmitRuntimeCall( | |||
5272 | createRuntimeFunction(OMPRTL__kmpc_alloc), Args, ".dep.arr.addr"); | |||
5273 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5274 | Addr, CGF.ConvertTypeForMem(KmpDependInfoArrayTy)->getPointerTo()); | |||
5275 | DependenciesArray = Address(Addr, Align); | |||
5276 | } else { | |||
5277 | DependenciesArray = | |||
5278 | CGF.CreateMemTemp(KmpDependInfoArrayTy, ".dep.arr.addr"); | |||
5279 | } | |||
5280 | if (ForDepobj) { | |||
5281 | // Write number of elements in the first element of array for depobj. | |||
5282 | llvm::Value *NumVal = | |||
5283 | llvm::ConstantInt::get(CGF.IntPtrTy, NumDependencies); | |||
5284 | LValue Base = CGF.MakeAddrLValue( | |||
5285 | CGF.Builder.CreateConstArrayGEP(DependenciesArray, 0), | |||
5286 | KmpDependInfoTy); | |||
5287 | // deps[i].base_addr = NumDependencies; | |||
5288 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
5289 | Base, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
5290 | CGF.EmitStoreOfScalar(NumVal, BaseAddrLVal); | |||
5291 | } | |||
5292 | for (unsigned I = 0; I < NumDependencies; ++I) { | |||
5293 | const Expr *E = Dependencies[I].second; | |||
5294 | LValue Addr = CGF.EmitLValue(E); | |||
5295 | llvm::Value *Size; | |||
5296 | QualType Ty = E->getType(); | |||
5297 | if (const auto *ASE = | |||
5298 | dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) { | |||
5299 | LValue UpAddrLVal = | |||
5300 | CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); | |||
5301 | llvm::Value *UpAddr = CGF.Builder.CreateConstGEP1_32( | |||
5302 | UpAddrLVal.getPointer(CGF), /*Idx0=*/1); | |||
5303 | llvm::Value *LowIntPtr = | |||
5304 | CGF.Builder.CreatePtrToInt(Addr.getPointer(CGF), CGM.SizeTy); | |||
5305 | llvm::Value *UpIntPtr = CGF.Builder.CreatePtrToInt(UpAddr, CGM.SizeTy); | |||
5306 | Size = CGF.Builder.CreateNUWSub(UpIntPtr, LowIntPtr); | |||
5307 | } else { | |||
5308 | Size = CGF.getTypeSize(Ty); | |||
5309 | } | |||
5310 | LValue Base = | |||
5311 | CGF.MakeAddrLValue(CGF.Builder.CreateConstArrayGEP( | |||
5312 | DependenciesArray, I + (ForDepobj ? 1 : 0)), | |||
5313 | KmpDependInfoTy); | |||
5314 | // deps[i].base_addr = &<Dependencies[i].second>; | |||
5315 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
5316 | Base, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
5317 | CGF.EmitStoreOfScalar( | |||
5318 | CGF.Builder.CreatePtrToInt(Addr.getPointer(CGF), CGF.IntPtrTy), | |||
5319 | BaseAddrLVal); | |||
5320 | // deps[i].len = sizeof(<Dependencies[i].second>); | |||
5321 | LValue LenLVal = CGF.EmitLValueForField( | |||
5322 | Base, *std::next(KmpDependInfoRD->field_begin(), Len)); | |||
5323 | CGF.EmitStoreOfScalar(Size, LenLVal); | |||
5324 | // deps[i].flags = <Dependencies[i].first>; | |||
5325 | RTLDependenceKindTy DepKind = | |||
5326 | translateDependencyKind(Dependencies[I].first); | |||
5327 | LValue FlagsLVal = CGF.EmitLValueForField( | |||
5328 | Base, *std::next(KmpDependInfoRD->field_begin(), Flags)); | |||
5329 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(LLVMFlagsTy, DepKind), | |||
5330 | FlagsLVal); | |||
5331 | } | |||
5332 | DependenciesArray = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5333 | CGF.Builder.CreateConstArrayGEP(DependenciesArray, ForDepobj ? 1 : 0), | |||
5334 | CGF.VoidPtrTy); | |||
5335 | } | |||
5336 | return DependenciesArray; | |||
5337 | } | |||
5338 | ||||
5339 | void CGOpenMPRuntime::emitDestroyClause(CodeGenFunction &CGF, LValue DepobjLVal, | |||
5340 | SourceLocation Loc) { | |||
5341 | ASTContext &C = CGM.getContext(); | |||
5342 | QualType FlagsTy; | |||
5343 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
5344 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
5345 | DepobjLVal.getAddress(CGF), | |||
5346 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5347 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
5348 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5349 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy)); | |||
5350 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
5351 | Addr.getPointer(), | |||
5352 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
5353 | DepObjAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(DepObjAddr, | |||
5354 | CGF.VoidPtrTy); | |||
5355 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5356 | // Use default allocator. | |||
5357 | llvm::Value *Allocator = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5358 | llvm::Value *Args[] = {ThreadID, DepObjAddr, Allocator}; | |||
5359 | ||||
5360 | // _kmpc_free(gtid, addr, nullptr); | |||
5361 | (void)CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_free), Args); | |||
5362 | } | |||
5363 | ||||
5364 | void CGOpenMPRuntime::emitUpdateClause(CodeGenFunction &CGF, LValue DepobjLVal, | |||
5365 | OpenMPDependClauseKind NewDepKind, | |||
5366 | SourceLocation Loc) { | |||
5367 | ASTContext &C = CGM.getContext(); | |||
5368 | QualType FlagsTy; | |||
5369 | getDependTypes(C, KmpDependInfoTy, FlagsTy); | |||
5370 | RecordDecl *KmpDependInfoRD = | |||
5371 | cast<RecordDecl>(KmpDependInfoTy->getAsTagDecl()); | |||
5372 | llvm::Type *LLVMFlagsTy = CGF.ConvertTypeForMem(FlagsTy); | |||
5373 | LValue Base = CGF.EmitLoadOfPointerLValue( | |||
5374 | DepobjLVal.getAddress(CGF), | |||
5375 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
5376 | QualType KmpDependInfoPtrTy = C.getPointerType(KmpDependInfoTy); | |||
5377 | Address Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5378 | Base.getAddress(CGF), CGF.ConvertTypeForMem(KmpDependInfoPtrTy)); | |||
5379 | Base = CGF.MakeAddrLValue(Addr, KmpDependInfoTy, Base.getBaseInfo(), | |||
5380 | Base.getTBAAInfo()); | |||
5381 | llvm::Value *DepObjAddr = CGF.Builder.CreateGEP( | |||
5382 | Addr.getPointer(), | |||
5383 | llvm::ConstantInt::get(CGF.IntPtrTy, -1, /*isSigned=*/true)); | |||
5384 | LValue NumDepsBase = CGF.MakeAddrLValue( | |||
5385 | Address(DepObjAddr, Addr.getAlignment()), KmpDependInfoTy, | |||
5386 | Base.getBaseInfo(), Base.getTBAAInfo()); | |||
5387 | // NumDeps = deps[i].base_addr; | |||
5388 | LValue BaseAddrLVal = CGF.EmitLValueForField( | |||
5389 | NumDepsBase, *std::next(KmpDependInfoRD->field_begin(), BaseAddr)); | |||
5390 | llvm::Value *NumDeps = CGF.EmitLoadOfScalar(BaseAddrLVal, Loc); | |||
5391 | ||||
5392 | Address Begin = Base.getAddress(CGF); | |||
5393 | // Cast from pointer to array type to pointer to single element. | |||
5394 | llvm::Value *End = CGF.Builder.CreateGEP(Begin.getPointer(), NumDeps); | |||
5395 | // The basic structure here is a while-do loop. | |||
5396 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.body"); | |||
5397 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.done"); | |||
5398 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
5399 | CGF.EmitBlock(BodyBB); | |||
5400 | llvm::PHINode *ElementPHI = | |||
5401 | CGF.Builder.CreatePHI(Begin.getType(), 2, "omp.elementPast"); | |||
5402 | ElementPHI->addIncoming(Begin.getPointer(), EntryBB); | |||
5403 | Begin = Address(ElementPHI, Begin.getAlignment()); | |||
5404 | Base = CGF.MakeAddrLValue(Begin, KmpDependInfoTy, Base.getBaseInfo(), | |||
5405 | Base.getTBAAInfo()); | |||
5406 | // deps[i].flags = NewDepKind; | |||
5407 | RTLDependenceKindTy DepKind = translateDependencyKind(NewDepKind); | |||
5408 | LValue FlagsLVal = CGF.EmitLValueForField( | |||
5409 | Base, *std::next(KmpDependInfoRD->field_begin(), Flags)); | |||
5410 | CGF.EmitStoreOfScalar(llvm::ConstantInt::get(LLVMFlagsTy, DepKind), | |||
5411 | FlagsLVal); | |||
5412 | ||||
5413 | // Shift the address forward by one element. | |||
5414 | Address ElementNext = | |||
5415 | CGF.Builder.CreateConstGEP(Begin, /*Index=*/1, "omp.elementNext"); | |||
5416 | ElementPHI->addIncoming(ElementNext.getPointer(), | |||
5417 | CGF.Builder.GetInsertBlock()); | |||
5418 | llvm::Value *IsEmpty = | |||
5419 | CGF.Builder.CreateICmpEQ(ElementNext.getPointer(), End, "omp.isempty"); | |||
5420 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
5421 | // Done. | |||
5422 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
5423 | } | |||
5424 | ||||
5425 | void CGOpenMPRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
5426 | const OMPExecutableDirective &D, | |||
5427 | llvm::Function *TaskFunction, | |||
5428 | QualType SharedsTy, Address Shareds, | |||
5429 | const Expr *IfCond, | |||
5430 | const OMPTaskDataTy &Data) { | |||
5431 | if (!CGF.HaveInsertPoint()) | |||
5432 | return; | |||
5433 | ||||
5434 | TaskResultTy Result = | |||
5435 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | |||
5436 | llvm::Value *NewTask = Result.NewTask; | |||
5437 | llvm::Function *TaskEntry = Result.TaskEntry; | |||
5438 | llvm::Value *NewTaskNewTaskTTy = Result.NewTaskNewTaskTTy; | |||
5439 | LValue TDBase = Result.TDBase; | |||
5440 | const RecordDecl *KmpTaskTQTyRD = Result.KmpTaskTQTyRD; | |||
5441 | // Process list of dependences. | |||
5442 | Address DependenciesArray = | |||
5443 | emitDependClause(CGF, Data.Dependences, /*ForDepobj=*/false, Loc); | |||
5444 | unsigned NumDependencies = Data.Dependences.size(); | |||
5445 | ||||
5446 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | |||
5447 | // libcall. | |||
5448 | // Build kmp_int32 __kmpc_omp_task_with_deps(ident_t *, kmp_int32 gtid, | |||
5449 | // kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, | |||
5450 | // kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list) if dependence | |||
5451 | // list is not empty | |||
5452 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5453 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | |||
5454 | llvm::Value *TaskArgs[] = { UpLoc, ThreadID, NewTask }; | |||
5455 | llvm::Value *DepTaskArgs[7]; | |||
5456 | if (NumDependencies) { | |||
5457 | DepTaskArgs[0] = UpLoc; | |||
5458 | DepTaskArgs[1] = ThreadID; | |||
5459 | DepTaskArgs[2] = NewTask; | |||
5460 | DepTaskArgs[3] = CGF.Builder.getInt32(NumDependencies); | |||
5461 | DepTaskArgs[4] = DependenciesArray.getPointer(); | |||
5462 | DepTaskArgs[5] = CGF.Builder.getInt32(0); | |||
5463 | DepTaskArgs[6] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5464 | } | |||
5465 | auto &&ThenCodeGen = [this, &Data, TDBase, KmpTaskTQTyRD, NumDependencies, | |||
5466 | &TaskArgs, | |||
5467 | &DepTaskArgs](CodeGenFunction &CGF, PrePostActionTy &) { | |||
5468 | if (!Data.Tied) { | |||
5469 | auto PartIdFI = std::next(KmpTaskTQTyRD->field_begin(), KmpTaskTPartId); | |||
5470 | LValue PartIdLVal = CGF.EmitLValueForField(TDBase, *PartIdFI); | |||
5471 | CGF.EmitStoreOfScalar(CGF.Builder.getInt32(0), PartIdLVal); | |||
5472 | } | |||
5473 | if (NumDependencies) { | |||
5474 | CGF.EmitRuntimeCall( | |||
5475 | createRuntimeFunction(OMPRTL__kmpc_omp_task_with_deps), DepTaskArgs); | |||
5476 | } else { | |||
5477 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_task), | |||
5478 | TaskArgs); | |||
5479 | } | |||
5480 | // Check if parent region is untied and build return for untied task; | |||
5481 | if (auto *Region = | |||
5482 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
5483 | Region->emitUntiedSwitch(CGF); | |||
5484 | }; | |||
5485 | ||||
5486 | llvm::Value *DepWaitTaskArgs[6]; | |||
5487 | if (NumDependencies) { | |||
5488 | DepWaitTaskArgs[0] = UpLoc; | |||
5489 | DepWaitTaskArgs[1] = ThreadID; | |||
5490 | DepWaitTaskArgs[2] = CGF.Builder.getInt32(NumDependencies); | |||
5491 | DepWaitTaskArgs[3] = DependenciesArray.getPointer(); | |||
5492 | DepWaitTaskArgs[4] = CGF.Builder.getInt32(0); | |||
5493 | DepWaitTaskArgs[5] = llvm::ConstantPointerNull::get(CGF.VoidPtrTy); | |||
5494 | } | |||
5495 | auto &&ElseCodeGen = [&TaskArgs, ThreadID, NewTaskNewTaskTTy, TaskEntry, | |||
5496 | NumDependencies, &DepWaitTaskArgs, | |||
5497 | Loc](CodeGenFunction &CGF, PrePostActionTy &) { | |||
5498 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
5499 | CodeGenFunction::RunCleanupsScope LocalScope(CGF); | |||
5500 | // Build void __kmpc_omp_wait_deps(ident_t *, kmp_int32 gtid, | |||
5501 | // kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 | |||
5502 | // ndeps_noalias, kmp_depend_info_t *noalias_dep_list); if dependence info | |||
5503 | // is specified. | |||
5504 | if (NumDependencies) | |||
5505 | CGF.EmitRuntimeCall(RT.createRuntimeFunction(OMPRTL__kmpc_omp_wait_deps), | |||
5506 | DepWaitTaskArgs); | |||
5507 | // Call proxy_task_entry(gtid, new_task); | |||
5508 | auto &&CodeGen = [TaskEntry, ThreadID, NewTaskNewTaskTTy, | |||
5509 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5510 | Action.Enter(CGF); | |||
5511 | llvm::Value *OutlinedFnArgs[] = {ThreadID, NewTaskNewTaskTTy}; | |||
5512 | CGF.CGM.getOpenMPRuntime().emitOutlinedFunctionCall(CGF, Loc, TaskEntry, | |||
5513 | OutlinedFnArgs); | |||
5514 | }; | |||
5515 | ||||
5516 | // Build void __kmpc_omp_task_begin_if0(ident_t *, kmp_int32 gtid, | |||
5517 | // kmp_task_t *new_task); | |||
5518 | // Build void __kmpc_omp_task_complete_if0(ident_t *, kmp_int32 gtid, | |||
5519 | // kmp_task_t *new_task); | |||
5520 | RegionCodeGenTy RCG(CodeGen); | |||
5521 | CommonActionTy Action( | |||
5522 | RT.createRuntimeFunction(OMPRTL__kmpc_omp_task_begin_if0), TaskArgs, | |||
5523 | RT.createRuntimeFunction(OMPRTL__kmpc_omp_task_complete_if0), TaskArgs); | |||
5524 | RCG.setAction(Action); | |||
5525 | RCG(CGF); | |||
5526 | }; | |||
5527 | ||||
5528 | if (IfCond) { | |||
5529 | emitIfClause(CGF, IfCond, ThenCodeGen, ElseCodeGen); | |||
5530 | } else { | |||
5531 | RegionCodeGenTy ThenRCG(ThenCodeGen); | |||
5532 | ThenRCG(CGF); | |||
5533 | } | |||
5534 | } | |||
5535 | ||||
5536 | void CGOpenMPRuntime::emitTaskLoopCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
5537 | const OMPLoopDirective &D, | |||
5538 | llvm::Function *TaskFunction, | |||
5539 | QualType SharedsTy, Address Shareds, | |||
5540 | const Expr *IfCond, | |||
5541 | const OMPTaskDataTy &Data) { | |||
5542 | if (!CGF.HaveInsertPoint()) | |||
5543 | return; | |||
5544 | TaskResultTy Result = | |||
5545 | emitTaskInit(CGF, Loc, D, TaskFunction, SharedsTy, Shareds, Data); | |||
5546 | // NOTE: routine and part_id fields are initialized by __kmpc_omp_task_alloc() | |||
5547 | // libcall. | |||
5548 | // Call to void __kmpc_taskloop(ident_t *loc, int gtid, kmp_task_t *task, int | |||
5549 | // if_val, kmp_uint64 *lb, kmp_uint64 *ub, kmp_int64 st, int nogroup, int | |||
5550 | // sched, kmp_uint64 grainsize, void *task_dup); | |||
5551 | llvm::Value *ThreadID = getThreadID(CGF, Loc); | |||
5552 | llvm::Value *UpLoc = emitUpdateLocation(CGF, Loc); | |||
5553 | llvm::Value *IfVal; | |||
5554 | if (IfCond) { | |||
5555 | IfVal = CGF.Builder.CreateIntCast(CGF.EvaluateExprAsBool(IfCond), CGF.IntTy, | |||
5556 | /*isSigned=*/true); | |||
5557 | } else { | |||
5558 | IfVal = llvm::ConstantInt::getSigned(CGF.IntTy, /*V=*/1); | |||
5559 | } | |||
5560 | ||||
5561 | LValue LBLVal = CGF.EmitLValueForField( | |||
5562 | Result.TDBase, | |||
5563 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTLowerBound)); | |||
5564 | const auto *LBVar = | |||
5565 | cast<VarDecl>(cast<DeclRefExpr>(D.getLowerBoundVariable())->getDecl()); | |||
5566 | CGF.EmitAnyExprToMem(LBVar->getInit(), LBLVal.getAddress(CGF), | |||
5567 | LBLVal.getQuals(), | |||
5568 | /*IsInitializer=*/true); | |||
5569 | LValue UBLVal = CGF.EmitLValueForField( | |||
5570 | Result.TDBase, | |||
5571 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTUpperBound)); | |||
5572 | const auto *UBVar = | |||
5573 | cast<VarDecl>(cast<DeclRefExpr>(D.getUpperBoundVariable())->getDecl()); | |||
5574 | CGF.EmitAnyExprToMem(UBVar->getInit(), UBLVal.getAddress(CGF), | |||
5575 | UBLVal.getQuals(), | |||
5576 | /*IsInitializer=*/true); | |||
5577 | LValue StLVal = CGF.EmitLValueForField( | |||
5578 | Result.TDBase, | |||
5579 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTStride)); | |||
5580 | const auto *StVar = | |||
5581 | cast<VarDecl>(cast<DeclRefExpr>(D.getStrideVariable())->getDecl()); | |||
5582 | CGF.EmitAnyExprToMem(StVar->getInit(), StLVal.getAddress(CGF), | |||
5583 | StLVal.getQuals(), | |||
5584 | /*IsInitializer=*/true); | |||
5585 | // Store reductions address. | |||
5586 | LValue RedLVal = CGF.EmitLValueForField( | |||
5587 | Result.TDBase, | |||
5588 | *std::next(Result.KmpTaskTQTyRD->field_begin(), KmpTaskTReductions)); | |||
5589 | if (Data.Reductions) { | |||
5590 | CGF.EmitStoreOfScalar(Data.Reductions, RedLVal); | |||
5591 | } else { | |||
5592 | CGF.EmitNullInitialization(RedLVal.getAddress(CGF), | |||
5593 | CGF.getContext().VoidPtrTy); | |||
5594 | } | |||
5595 | enum { NoSchedule = 0, Grainsize = 1, NumTasks = 2 }; | |||
5596 | llvm::Value *TaskArgs[] = { | |||
5597 | UpLoc, | |||
5598 | ThreadID, | |||
5599 | Result.NewTask, | |||
5600 | IfVal, | |||
5601 | LBLVal.getPointer(CGF), | |||
5602 | UBLVal.getPointer(CGF), | |||
5603 | CGF.EmitLoadOfScalar(StLVal, Loc), | |||
5604 | llvm::ConstantInt::getSigned( | |||
5605 | CGF.IntTy, 1), // Always 1 because taskgroup emitted by the compiler | |||
5606 | llvm::ConstantInt::getSigned( | |||
5607 | CGF.IntTy, Data.Schedule.getPointer() | |||
5608 | ? Data.Schedule.getInt() ? NumTasks : Grainsize | |||
5609 | : NoSchedule), | |||
5610 | Data.Schedule.getPointer() | |||
5611 | ? CGF.Builder.CreateIntCast(Data.Schedule.getPointer(), CGF.Int64Ty, | |||
5612 | /*isSigned=*/false) | |||
5613 | : llvm::ConstantInt::get(CGF.Int64Ty, /*V=*/0), | |||
5614 | Result.TaskDupFn ? CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5615 | Result.TaskDupFn, CGF.VoidPtrTy) | |||
5616 | : llvm::ConstantPointerNull::get(CGF.VoidPtrTy)}; | |||
5617 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_taskloop), TaskArgs); | |||
5618 | } | |||
5619 | ||||
5620 | /// Emit reduction operation for each element of array (required for | |||
5621 | /// array sections) LHS op = RHS. | |||
5622 | /// \param Type Type of array. | |||
5623 | /// \param LHSVar Variable on the left side of the reduction operation | |||
5624 | /// (references element of array in original variable). | |||
5625 | /// \param RHSVar Variable on the right side of the reduction operation | |||
5626 | /// (references element of array in original variable). | |||
5627 | /// \param RedOpGen Generator of reduction operation with use of LHSVar and | |||
5628 | /// RHSVar. | |||
5629 | static void EmitOMPAggregateReduction( | |||
5630 | CodeGenFunction &CGF, QualType Type, const VarDecl *LHSVar, | |||
5631 | const VarDecl *RHSVar, | |||
5632 | const llvm::function_ref<void(CodeGenFunction &CGF, const Expr *, | |||
5633 | const Expr *, const Expr *)> &RedOpGen, | |||
5634 | const Expr *XExpr = nullptr, const Expr *EExpr = nullptr, | |||
5635 | const Expr *UpExpr = nullptr) { | |||
5636 | // Perform element-by-element initialization. | |||
5637 | QualType ElementTy; | |||
5638 | Address LHSAddr = CGF.GetAddrOfLocalVar(LHSVar); | |||
5639 | Address RHSAddr = CGF.GetAddrOfLocalVar(RHSVar); | |||
5640 | ||||
5641 | // Drill down to the base element type on both arrays. | |||
5642 | const ArrayType *ArrayTy = Type->getAsArrayTypeUnsafe(); | |||
5643 | llvm::Value *NumElements = CGF.emitArrayLength(ArrayTy, ElementTy, LHSAddr); | |||
5644 | ||||
5645 | llvm::Value *RHSBegin = RHSAddr.getPointer(); | |||
5646 | llvm::Value *LHSBegin = LHSAddr.getPointer(); | |||
5647 | // Cast from pointer to array type to pointer to single element. | |||
5648 | llvm::Value *LHSEnd = CGF.Builder.CreateGEP(LHSBegin, NumElements); | |||
5649 | // The basic structure here is a while-do loop. | |||
5650 | llvm::BasicBlock *BodyBB = CGF.createBasicBlock("omp.arraycpy.body"); | |||
5651 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("omp.arraycpy.done"); | |||
5652 | llvm::Value *IsEmpty = | |||
5653 | CGF.Builder.CreateICmpEQ(LHSBegin, LHSEnd, "omp.arraycpy.isempty"); | |||
5654 | CGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
5655 | ||||
5656 | // Enter the loop body, making that address the current address. | |||
5657 | llvm::BasicBlock *EntryBB = CGF.Builder.GetInsertBlock(); | |||
5658 | CGF.EmitBlock(BodyBB); | |||
5659 | ||||
5660 | CharUnits ElementSize = CGF.getContext().getTypeSizeInChars(ElementTy); | |||
5661 | ||||
5662 | llvm::PHINode *RHSElementPHI = CGF.Builder.CreatePHI( | |||
5663 | RHSBegin->getType(), 2, "omp.arraycpy.srcElementPast"); | |||
5664 | RHSElementPHI->addIncoming(RHSBegin, EntryBB); | |||
5665 | Address RHSElementCurrent = | |||
5666 | Address(RHSElementPHI, | |||
5667 | RHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
5668 | ||||
5669 | llvm::PHINode *LHSElementPHI = CGF.Builder.CreatePHI( | |||
5670 | LHSBegin->getType(), 2, "omp.arraycpy.destElementPast"); | |||
5671 | LHSElementPHI->addIncoming(LHSBegin, EntryBB); | |||
5672 | Address LHSElementCurrent = | |||
5673 | Address(LHSElementPHI, | |||
5674 | LHSAddr.getAlignment().alignmentOfArrayElement(ElementSize)); | |||
5675 | ||||
5676 | // Emit copy. | |||
5677 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
5678 | Scope.addPrivate(LHSVar, [=]() { return LHSElementCurrent; }); | |||
5679 | Scope.addPrivate(RHSVar, [=]() { return RHSElementCurrent; }); | |||
5680 | Scope.Privatize(); | |||
5681 | RedOpGen(CGF, XExpr, EExpr, UpExpr); | |||
5682 | Scope.ForceCleanup(); | |||
5683 | ||||
5684 | // Shift the address forward by one element. | |||
5685 | llvm::Value *LHSElementNext = CGF.Builder.CreateConstGEP1_32( | |||
5686 | LHSElementPHI, /*Idx0=*/1, "omp.arraycpy.dest.element"); | |||
5687 | llvm::Value *RHSElementNext = CGF.Builder.CreateConstGEP1_32( | |||
5688 | RHSElementPHI, /*Idx0=*/1, "omp.arraycpy.src.element"); | |||
5689 | // Check whether we've reached the end. | |||
5690 | llvm::Value *Done = | |||
5691 | CGF.Builder.CreateICmpEQ(LHSElementNext, LHSEnd, "omp.arraycpy.done"); | |||
5692 | CGF.Builder.CreateCondBr(Done, DoneBB, BodyBB); | |||
5693 | LHSElementPHI->addIncoming(LHSElementNext, CGF.Builder.GetInsertBlock()); | |||
5694 | RHSElementPHI->addIncoming(RHSElementNext, CGF.Builder.GetInsertBlock()); | |||
5695 | ||||
5696 | // Done. | |||
5697 | CGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
5698 | } | |||
5699 | ||||
5700 | /// Emit reduction combiner. If the combiner is a simple expression emit it as | |||
5701 | /// is, otherwise consider it as combiner of UDR decl and emit it as a call of | |||
5702 | /// UDR combiner function. | |||
5703 | static void emitReductionCombiner(CodeGenFunction &CGF, | |||
5704 | const Expr *ReductionOp) { | |||
5705 | if (const auto *CE = dyn_cast<CallExpr>(ReductionOp)) | |||
5706 | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(CE->getCallee())) | |||
5707 | if (const auto *DRE = | |||
5708 | dyn_cast<DeclRefExpr>(OVE->getSourceExpr()->IgnoreImpCasts())) | |||
5709 | if (const auto *DRD = | |||
5710 | dyn_cast<OMPDeclareReductionDecl>(DRE->getDecl())) { | |||
5711 | std::pair<llvm::Function *, llvm::Function *> Reduction = | |||
5712 | CGF.CGM.getOpenMPRuntime().getUserDefinedReduction(DRD); | |||
5713 | RValue Func = RValue::get(Reduction.first); | |||
5714 | CodeGenFunction::OpaqueValueMapping Map(CGF, OVE, Func); | |||
5715 | CGF.EmitIgnoredExpr(ReductionOp); | |||
5716 | return; | |||
5717 | } | |||
5718 | CGF.EmitIgnoredExpr(ReductionOp); | |||
5719 | } | |||
5720 | ||||
5721 | llvm::Function *CGOpenMPRuntime::emitReductionFunction( | |||
5722 | SourceLocation Loc, llvm::Type *ArgsType, ArrayRef<const Expr *> Privates, | |||
5723 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | |||
5724 | ArrayRef<const Expr *> ReductionOps) { | |||
5725 | ASTContext &C = CGM.getContext(); | |||
5726 | ||||
5727 | // void reduction_func(void *LHSArg, void *RHSArg); | |||
5728 | FunctionArgList Args; | |||
5729 | ImplicitParamDecl LHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5730 | ImplicitParamDecl::Other); | |||
5731 | ImplicitParamDecl RHSArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
5732 | ImplicitParamDecl::Other); | |||
5733 | Args.push_back(&LHSArg); | |||
5734 | Args.push_back(&RHSArg); | |||
5735 | const auto &CGFI = | |||
5736 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
5737 | std::string Name = getName({"omp", "reduction", "reduction_func"}); | |||
5738 | auto *Fn = llvm::Function::Create(CGM.getTypes().GetFunctionType(CGFI), | |||
5739 | llvm::GlobalValue::InternalLinkage, Name, | |||
5740 | &CGM.getModule()); | |||
5741 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, CGFI); | |||
5742 | Fn->setDoesNotRecurse(); | |||
5743 | CodeGenFunction CGF(CGM); | |||
5744 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, CGFI, Args, Loc, Loc); | |||
5745 | ||||
5746 | // Dst = (void*[n])(LHSArg); | |||
5747 | // Src = (void*[n])(RHSArg); | |||
5748 | Address LHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5749 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&LHSArg)), | |||
5750 | ArgsType), CGF.getPointerAlign()); | |||
5751 | Address RHS(CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5752 | CGF.Builder.CreateLoad(CGF.GetAddrOfLocalVar(&RHSArg)), | |||
5753 | ArgsType), CGF.getPointerAlign()); | |||
5754 | ||||
5755 | // ... | |||
5756 | // *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); | |||
5757 | // ... | |||
5758 | CodeGenFunction::OMPPrivateScope Scope(CGF); | |||
5759 | auto IPriv = Privates.begin(); | |||
5760 | unsigned Idx = 0; | |||
5761 | for (unsigned I = 0, E = ReductionOps.size(); I < E; ++I, ++IPriv, ++Idx) { | |||
5762 | const auto *RHSVar = | |||
5763 | cast<VarDecl>(cast<DeclRefExpr>(RHSExprs[I])->getDecl()); | |||
5764 | Scope.addPrivate(RHSVar, [&CGF, RHS, Idx, RHSVar]() { | |||
5765 | return emitAddrOfVarFromArray(CGF, RHS, Idx, RHSVar); | |||
5766 | }); | |||
5767 | const auto *LHSVar = | |||
5768 | cast<VarDecl>(cast<DeclRefExpr>(LHSExprs[I])->getDecl()); | |||
5769 | Scope.addPrivate(LHSVar, [&CGF, LHS, Idx, LHSVar]() { | |||
5770 | return emitAddrOfVarFromArray(CGF, LHS, Idx, LHSVar); | |||
5771 | }); | |||
5772 | QualType PrivTy = (*IPriv)->getType(); | |||
5773 | if (PrivTy->isVariablyModifiedType()) { | |||
5774 | // Get array size and emit VLA type. | |||
5775 | ++Idx; | |||
5776 | Address Elem = CGF.Builder.CreateConstArrayGEP(LHS, Idx); | |||
5777 | llvm::Value *Ptr = CGF.Builder.CreateLoad(Elem); | |||
5778 | const VariableArrayType *VLA = | |||
5779 | CGF.getContext().getAsVariableArrayType(PrivTy); | |||
5780 | const auto *OVE = cast<OpaqueValueExpr>(VLA->getSizeExpr()); | |||
5781 | CodeGenFunction::OpaqueValueMapping OpaqueMap( | |||
5782 | CGF, OVE, RValue::get(CGF.Builder.CreatePtrToInt(Ptr, CGF.SizeTy))); | |||
5783 | CGF.EmitVariablyModifiedType(PrivTy); | |||
5784 | } | |||
5785 | } | |||
5786 | Scope.Privatize(); | |||
5787 | IPriv = Privates.begin(); | |||
5788 | auto ILHS = LHSExprs.begin(); | |||
5789 | auto IRHS = RHSExprs.begin(); | |||
5790 | for (const Expr *E : ReductionOps) { | |||
5791 | if ((*IPriv)->getType()->isArrayType()) { | |||
5792 | // Emit reduction for array section. | |||
5793 | const auto *LHSVar = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
5794 | const auto *RHSVar = cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
5795 | EmitOMPAggregateReduction( | |||
5796 | CGF, (*IPriv)->getType(), LHSVar, RHSVar, | |||
5797 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | |||
5798 | emitReductionCombiner(CGF, E); | |||
5799 | }); | |||
5800 | } else { | |||
5801 | // Emit reduction for array subscript or single variable. | |||
5802 | emitReductionCombiner(CGF, E); | |||
5803 | } | |||
5804 | ++IPriv; | |||
5805 | ++ILHS; | |||
5806 | ++IRHS; | |||
5807 | } | |||
5808 | Scope.ForceCleanup(); | |||
5809 | CGF.FinishFunction(); | |||
5810 | return Fn; | |||
5811 | } | |||
5812 | ||||
5813 | void CGOpenMPRuntime::emitSingleReductionCombiner(CodeGenFunction &CGF, | |||
5814 | const Expr *ReductionOp, | |||
5815 | const Expr *PrivateRef, | |||
5816 | const DeclRefExpr *LHS, | |||
5817 | const DeclRefExpr *RHS) { | |||
5818 | if (PrivateRef->getType()->isArrayType()) { | |||
5819 | // Emit reduction for array section. | |||
5820 | const auto *LHSVar = cast<VarDecl>(LHS->getDecl()); | |||
5821 | const auto *RHSVar = cast<VarDecl>(RHS->getDecl()); | |||
5822 | EmitOMPAggregateReduction( | |||
5823 | CGF, PrivateRef->getType(), LHSVar, RHSVar, | |||
5824 | [=](CodeGenFunction &CGF, const Expr *, const Expr *, const Expr *) { | |||
5825 | emitReductionCombiner(CGF, ReductionOp); | |||
5826 | }); | |||
5827 | } else { | |||
5828 | // Emit reduction for array subscript or single variable. | |||
5829 | emitReductionCombiner(CGF, ReductionOp); | |||
5830 | } | |||
5831 | } | |||
5832 | ||||
5833 | void CGOpenMPRuntime::emitReduction(CodeGenFunction &CGF, SourceLocation Loc, | |||
5834 | ArrayRef<const Expr *> Privates, | |||
5835 | ArrayRef<const Expr *> LHSExprs, | |||
5836 | ArrayRef<const Expr *> RHSExprs, | |||
5837 | ArrayRef<const Expr *> ReductionOps, | |||
5838 | ReductionOptionsTy Options) { | |||
5839 | if (!CGF.HaveInsertPoint()) | |||
5840 | return; | |||
5841 | ||||
5842 | bool WithNowait = Options.WithNowait; | |||
5843 | bool SimpleReduction = Options.SimpleReduction; | |||
5844 | ||||
5845 | // Next code should be emitted for reduction: | |||
5846 | // | |||
5847 | // static kmp_critical_name lock = { 0 }; | |||
5848 | // | |||
5849 | // void reduce_func(void *lhs[<n>], void *rhs[<n>]) { | |||
5850 | // *(Type0*)lhs[0] = ReductionOperation0(*(Type0*)lhs[0], *(Type0*)rhs[0]); | |||
5851 | // ... | |||
5852 | // *(Type<n>-1*)lhs[<n>-1] = ReductionOperation<n>-1(*(Type<n>-1*)lhs[<n>-1], | |||
5853 | // *(Type<n>-1*)rhs[<n>-1]); | |||
5854 | // } | |||
5855 | // | |||
5856 | // ... | |||
5857 | // void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; | |||
5858 | // switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | |||
5859 | // RedList, reduce_func, &<lock>)) { | |||
5860 | // case 1: | |||
5861 | // ... | |||
5862 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5863 | // ... | |||
5864 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5865 | // break; | |||
5866 | // case 2: | |||
5867 | // ... | |||
5868 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | |||
5869 | // ... | |||
5870 | // [__kmpc_end_reduce(<loc>, <gtid>, &<lock>);] | |||
5871 | // break; | |||
5872 | // default:; | |||
5873 | // } | |||
5874 | // | |||
5875 | // if SimpleReduction is true, only the next code is generated: | |||
5876 | // ... | |||
5877 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5878 | // ... | |||
5879 | ||||
5880 | ASTContext &C = CGM.getContext(); | |||
5881 | ||||
5882 | if (SimpleReduction) { | |||
5883 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
5884 | auto IPriv = Privates.begin(); | |||
5885 | auto ILHS = LHSExprs.begin(); | |||
5886 | auto IRHS = RHSExprs.begin(); | |||
5887 | for (const Expr *E : ReductionOps) { | |||
5888 | emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | |||
5889 | cast<DeclRefExpr>(*IRHS)); | |||
5890 | ++IPriv; | |||
5891 | ++ILHS; | |||
5892 | ++IRHS; | |||
5893 | } | |||
5894 | return; | |||
5895 | } | |||
5896 | ||||
5897 | // 1. Build a list of reduction variables. | |||
5898 | // void *RedList[<n>] = {<ReductionVars>[0], ..., <ReductionVars>[<n>-1]}; | |||
5899 | auto Size = RHSExprs.size(); | |||
5900 | for (const Expr *E : Privates) { | |||
5901 | if (E->getType()->isVariablyModifiedType()) | |||
5902 | // Reserve place for array size. | |||
5903 | ++Size; | |||
5904 | } | |||
5905 | llvm::APInt ArraySize(/*unsigned int numBits=*/32, Size); | |||
5906 | QualType ReductionArrayTy = | |||
5907 | C.getConstantArrayType(C.VoidPtrTy, ArraySize, nullptr, ArrayType::Normal, | |||
5908 | /*IndexTypeQuals=*/0); | |||
5909 | Address ReductionList = | |||
5910 | CGF.CreateMemTemp(ReductionArrayTy, ".omp.reduction.red_list"); | |||
5911 | auto IPriv = Privates.begin(); | |||
5912 | unsigned Idx = 0; | |||
5913 | for (unsigned I = 0, E = RHSExprs.size(); I < E; ++I, ++IPriv, ++Idx) { | |||
5914 | Address Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | |||
5915 | CGF.Builder.CreateStore( | |||
5916 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5917 | CGF.EmitLValue(RHSExprs[I]).getPointer(CGF), CGF.VoidPtrTy), | |||
5918 | Elem); | |||
5919 | if ((*IPriv)->getType()->isVariablyModifiedType()) { | |||
5920 | // Store array size. | |||
5921 | ++Idx; | |||
5922 | Elem = CGF.Builder.CreateConstArrayGEP(ReductionList, Idx); | |||
5923 | llvm::Value *Size = CGF.Builder.CreateIntCast( | |||
5924 | CGF.getVLASize( | |||
5925 | CGF.getContext().getAsVariableArrayType((*IPriv)->getType())) | |||
5926 | .NumElts, | |||
5927 | CGF.SizeTy, /*isSigned=*/false); | |||
5928 | CGF.Builder.CreateStore(CGF.Builder.CreateIntToPtr(Size, CGF.VoidPtrTy), | |||
5929 | Elem); | |||
5930 | } | |||
5931 | } | |||
5932 | ||||
5933 | // 2. Emit reduce_func(). | |||
5934 | llvm::Function *ReductionFn = emitReductionFunction( | |||
5935 | Loc, CGF.ConvertTypeForMem(ReductionArrayTy)->getPointerTo(), Privates, | |||
5936 | LHSExprs, RHSExprs, ReductionOps); | |||
5937 | ||||
5938 | // 3. Create static kmp_critical_name lock = { 0 }; | |||
5939 | std::string Name = getName({"reduction"}); | |||
5940 | llvm::Value *Lock = getCriticalRegionLock(Name); | |||
5941 | ||||
5942 | // 4. Build res = __kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), | |||
5943 | // RedList, reduce_func, &<lock>); | |||
5944 | llvm::Value *IdentTLoc = emitUpdateLocation(CGF, Loc, OMP_ATOMIC_REDUCE); | |||
5945 | llvm::Value *ThreadId = getThreadID(CGF, Loc); | |||
5946 | llvm::Value *ReductionArrayTySize = CGF.getTypeSize(ReductionArrayTy); | |||
5947 | llvm::Value *RL = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
5948 | ReductionList.getPointer(), CGF.VoidPtrTy); | |||
5949 | llvm::Value *Args[] = { | |||
5950 | IdentTLoc, // ident_t *<loc> | |||
5951 | ThreadId, // i32 <gtid> | |||
5952 | CGF.Builder.getInt32(RHSExprs.size()), // i32 <n> | |||
5953 | ReductionArrayTySize, // size_type sizeof(RedList) | |||
5954 | RL, // void *RedList | |||
5955 | ReductionFn, // void (*) (void *, void *) <reduce_func> | |||
5956 | Lock // kmp_critical_name *&<lock> | |||
5957 | }; | |||
5958 | llvm::Value *Res = CGF.EmitRuntimeCall( | |||
5959 | createRuntimeFunction(WithNowait ? OMPRTL__kmpc_reduce_nowait | |||
5960 | : OMPRTL__kmpc_reduce), | |||
5961 | Args); | |||
5962 | ||||
5963 | // 5. Build switch(res) | |||
5964 | llvm::BasicBlock *DefaultBB = CGF.createBasicBlock(".omp.reduction.default"); | |||
5965 | llvm::SwitchInst *SwInst = | |||
5966 | CGF.Builder.CreateSwitch(Res, DefaultBB, /*NumCases=*/2); | |||
5967 | ||||
5968 | // 6. Build case 1: | |||
5969 | // ... | |||
5970 | // <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); | |||
5971 | // ... | |||
5972 | // __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5973 | // break; | |||
5974 | llvm::BasicBlock *Case1BB = CGF.createBasicBlock(".omp.reduction.case1"); | |||
5975 | SwInst->addCase(CGF.Builder.getInt32(1), Case1BB); | |||
5976 | CGF.EmitBlock(Case1BB); | |||
5977 | ||||
5978 | // Add emission of __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); | |||
5979 | llvm::Value *EndArgs[] = { | |||
5980 | IdentTLoc, // ident_t *<loc> | |||
5981 | ThreadId, // i32 <gtid> | |||
5982 | Lock // kmp_critical_name *&<lock> | |||
5983 | }; | |||
5984 | auto &&CodeGen = [Privates, LHSExprs, RHSExprs, ReductionOps]( | |||
5985 | CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
5986 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
5987 | auto IPriv = Privates.begin(); | |||
5988 | auto ILHS = LHSExprs.begin(); | |||
5989 | auto IRHS = RHSExprs.begin(); | |||
5990 | for (const Expr *E : ReductionOps) { | |||
5991 | RT.emitSingleReductionCombiner(CGF, E, *IPriv, cast<DeclRefExpr>(*ILHS), | |||
5992 | cast<DeclRefExpr>(*IRHS)); | |||
5993 | ++IPriv; | |||
5994 | ++ILHS; | |||
5995 | ++IRHS; | |||
5996 | } | |||
5997 | }; | |||
5998 | RegionCodeGenTy RCG(CodeGen); | |||
5999 | CommonActionTy Action( | |||
6000 | nullptr, llvm::None, | |||
6001 | createRuntimeFunction(WithNowait ? OMPRTL__kmpc_end_reduce_nowait | |||
6002 | : OMPRTL__kmpc_end_reduce), | |||
6003 | EndArgs); | |||
6004 | RCG.setAction(Action); | |||
6005 | RCG(CGF); | |||
6006 | ||||
6007 | CGF.EmitBranch(DefaultBB); | |||
6008 | ||||
6009 | // 7. Build case 2: | |||
6010 | // ... | |||
6011 | // Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); | |||
6012 | // ... | |||
6013 | // break; | |||
6014 | llvm::BasicBlock *Case2BB = CGF.createBasicBlock(".omp.reduction.case2"); | |||
6015 | SwInst->addCase(CGF.Builder.getInt32(2), Case2BB); | |||
6016 | CGF.EmitBlock(Case2BB); | |||
6017 | ||||
6018 | auto &&AtomicCodeGen = [Loc, Privates, LHSExprs, RHSExprs, ReductionOps]( | |||
6019 | CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
6020 | auto ILHS = LHSExprs.begin(); | |||
6021 | auto IRHS = RHSExprs.begin(); | |||
6022 | auto IPriv = Privates.begin(); | |||
6023 | for (const Expr *E : ReductionOps) { | |||
6024 | const Expr *XExpr = nullptr; | |||
6025 | const Expr *EExpr = nullptr; | |||
6026 | const Expr *UpExpr = nullptr; | |||
6027 | BinaryOperatorKind BO = BO_Comma; | |||
6028 | if (const auto *BO = dyn_cast<BinaryOperator>(E)) { | |||
6029 | if (BO->getOpcode() == BO_Assign) { | |||
6030 | XExpr = BO->getLHS(); | |||
6031 | UpExpr = BO->getRHS(); | |||
6032 | } | |||
6033 | } | |||
6034 | // Try to emit update expression as a simple atomic. | |||
6035 | const Expr *RHSExpr = UpExpr; | |||
6036 | if (RHSExpr) { | |||
6037 | // Analyze RHS part of the whole expression. | |||
6038 | if (const auto *ACO = dyn_cast<AbstractConditionalOperator>( | |||
6039 | RHSExpr->IgnoreParenImpCasts())) { | |||
6040 | // If this is a conditional operator, analyze its condition for | |||
6041 | // min/max reduction operator. | |||
6042 | RHSExpr = ACO->getCond(); | |||
6043 | } | |||
6044 | if (const auto *BORHS = | |||
6045 | dyn_cast<BinaryOperator>(RHSExpr->IgnoreParenImpCasts())) { | |||
6046 | EExpr = BORHS->getRHS(); | |||
6047 | BO = BORHS->getOpcode(); | |||
6048 | } | |||
6049 | } | |||
6050 | if (XExpr) { | |||
6051 | const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
6052 | auto &&AtomicRedGen = [BO, VD, | |||
6053 | Loc](CodeGenFunction &CGF, const Expr *XExpr, | |||
6054 | const Expr *EExpr, const Expr *UpExpr) { | |||
6055 | LValue X = CGF.EmitLValue(XExpr); | |||
6056 | RValue E; | |||
6057 | if (EExpr) | |||
6058 | E = CGF.EmitAnyExpr(EExpr); | |||
6059 | CGF.EmitOMPAtomicSimpleUpdateExpr( | |||
6060 | X, E, BO, /*IsXLHSInRHSPart=*/true, | |||
6061 | llvm::AtomicOrdering::Monotonic, Loc, | |||
6062 | [&CGF, UpExpr, VD, Loc](RValue XRValue) { | |||
6063 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
6064 | PrivateScope.addPrivate( | |||
6065 | VD, [&CGF, VD, XRValue, Loc]() { | |||
6066 | Address LHSTemp = CGF.CreateMemTemp(VD->getType()); | |||
6067 | CGF.emitOMPSimpleStore( | |||
6068 | CGF.MakeAddrLValue(LHSTemp, VD->getType()), XRValue, | |||
6069 | VD->getType().getNonReferenceType(), Loc); | |||
6070 | return LHSTemp; | |||
6071 | }); | |||
6072 | (void)PrivateScope.Privatize(); | |||
6073 | return CGF.EmitAnyExpr(UpExpr); | |||
6074 | }); | |||
6075 | }; | |||
6076 | if ((*IPriv)->getType()->isArrayType()) { | |||
6077 | // Emit atomic reduction for array section. | |||
6078 | const auto *RHSVar = | |||
6079 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
6080 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), VD, RHSVar, | |||
6081 | AtomicRedGen, XExpr, EExpr, UpExpr); | |||
6082 | } else { | |||
6083 | // Emit atomic reduction for array subscript or single variable. | |||
6084 | AtomicRedGen(CGF, XExpr, EExpr, UpExpr); | |||
6085 | } | |||
6086 | } else { | |||
6087 | // Emit as a critical region. | |||
6088 | auto &&CritRedGen = [E, Loc](CodeGenFunction &CGF, const Expr *, | |||
6089 | const Expr *, const Expr *) { | |||
6090 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
6091 | std::string Name = RT.getName({"atomic_reduction"}); | |||
6092 | RT.emitCriticalRegion( | |||
6093 | CGF, Name, | |||
6094 | [=](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
6095 | Action.Enter(CGF); | |||
6096 | emitReductionCombiner(CGF, E); | |||
6097 | }, | |||
6098 | Loc); | |||
6099 | }; | |||
6100 | if ((*IPriv)->getType()->isArrayType()) { | |||
6101 | const auto *LHSVar = | |||
6102 | cast<VarDecl>(cast<DeclRefExpr>(*ILHS)->getDecl()); | |||
6103 | const auto *RHSVar = | |||
6104 | cast<VarDecl>(cast<DeclRefExpr>(*IRHS)->getDecl()); | |||
6105 | EmitOMPAggregateReduction(CGF, (*IPriv)->getType(), LHSVar, RHSVar, | |||
6106 | CritRedGen); | |||
6107 | } else { | |||
6108 | CritRedGen(CGF, nullptr, nullptr, nullptr); | |||
6109 | } | |||
6110 | } | |||
6111 | ++ILHS; | |||
6112 | ++IRHS; | |||
6113 | ++IPriv; | |||
6114 | } | |||
6115 | }; | |||
6116 | RegionCodeGenTy AtomicRCG(AtomicCodeGen); | |||
6117 | if (!WithNowait) { | |||
6118 | // Add emission of __kmpc_end_reduce(<loc>, <gtid>, &<lock>); | |||
6119 | llvm::Value *EndArgs[] = { | |||
6120 | IdentTLoc, // ident_t *<loc> | |||
6121 | ThreadId, // i32 <gtid> | |||
6122 | Lock // kmp_critical_name *&<lock> | |||
6123 | }; | |||
6124 | CommonActionTy Action(nullptr, llvm::None, | |||
6125 | createRuntimeFunction(OMPRTL__kmpc_end_reduce), | |||
6126 | EndArgs); | |||
6127 | AtomicRCG.setAction(Action); | |||
6128 | AtomicRCG(CGF); | |||
6129 | } else { | |||
6130 | AtomicRCG(CGF); | |||
6131 | } | |||
6132 | ||||
6133 | CGF.EmitBranch(DefaultBB); | |||
6134 | CGF.EmitBlock(DefaultBB, /*IsFinished=*/true); | |||
6135 | } | |||
6136 | ||||
6137 | /// Generates unique name for artificial threadprivate variables. | |||
6138 | /// Format is: <Prefix> "." <Decl_mangled_name> "_" "<Decl_start_loc_raw_enc>" | |||
6139 | static std::string generateUniqueName(CodeGenModule &CGM, StringRef Prefix, | |||
6140 | const Expr *Ref) { | |||
6141 | SmallString<256> Buffer; | |||
6142 | llvm::raw_svector_ostream Out(Buffer); | |||
6143 | const clang::DeclRefExpr *DE; | |||
6144 | const VarDecl *D = ::getBaseDecl(Ref, DE); | |||
6145 | if (!D) | |||
6146 | D = cast<VarDecl>(cast<DeclRefExpr>(Ref)->getDecl()); | |||
6147 | D = D->getCanonicalDecl(); | |||
6148 | std::string Name = CGM.getOpenMPRuntime().getName( | |||
6149 | {D->isLocalVarDeclOrParm() ? D->getName() : CGM.getMangledName(D)}); | |||
6150 | Out << Prefix << Name << "_" | |||
6151 | << D->getCanonicalDecl()->getBeginLoc().getRawEncoding(); | |||
6152 | return std::string(Out.str()); | |||
6153 | } | |||
6154 | ||||
6155 | /// Emits reduction initializer function: | |||
6156 | /// \code | |||
6157 | /// void @.red_init(void* %arg) { | |||
6158 | /// %0 = bitcast void* %arg to <type>* | |||
6159 | /// store <type> <init>, <type>* %0 | |||
6160 | /// ret void | |||
6161 | /// } | |||
6162 | /// \endcode | |||
6163 | static llvm::Value *emitReduceInitFunction(CodeGenModule &CGM, | |||
6164 | SourceLocation Loc, | |||
6165 | ReductionCodeGen &RCG, unsigned N) { | |||
6166 | ASTContext &C = CGM.getContext(); | |||
6167 | FunctionArgList Args; | |||
6168 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
6169 | ImplicitParamDecl::Other); | |||
6170 | Args.emplace_back(&Param); | |||
6171 | const auto &FnInfo = | |||
6172 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
6173 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
6174 | std::string Name = CGM.getOpenMPRuntime().getName({"red_init", ""}); | |||
6175 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
6176 | Name, &CGM.getModule()); | |||
6177 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
6178 | Fn->setDoesNotRecurse(); | |||
6179 | CodeGenFunction CGF(CGM); | |||
6180 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
6181 | Address PrivateAddr = CGF.EmitLoadOfPointer( | |||
6182 | CGF.GetAddrOfLocalVar(&Param), | |||
6183 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
6184 | llvm::Value *Size = nullptr; | |||
6185 | // If the size of the reduction item is non-constant, load it from global | |||
6186 | // threadprivate variable. | |||
6187 | if (RCG.getSizes(N).second) { | |||
6188 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
6189 | CGF, CGM.getContext().getSizeType(), | |||
6190 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
6191 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
6192 | CGM.getContext().getSizeType(), Loc); | |||
6193 | } | |||
6194 | RCG.emitAggregateType(CGF, N, Size); | |||
6195 | LValue SharedLVal; | |||
6196 | // If initializer uses initializer from declare reduction construct, emit a | |||
6197 | // pointer to the address of the original reduction item (reuired by reduction | |||
6198 | // initializer) | |||
6199 | if (RCG.usesReductionInitializer(N)) { | |||
6200 | Address SharedAddr = | |||
6201 | CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
6202 | CGF, CGM.getContext().VoidPtrTy, | |||
6203 | generateUniqueName(CGM, "reduction", RCG.getRefExpr(N))); | |||
6204 | SharedAddr = CGF.EmitLoadOfPointer( | |||
6205 | SharedAddr, | |||
6206 | CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr()); | |||
6207 | SharedLVal = CGF.MakeAddrLValue(SharedAddr, CGM.getContext().VoidPtrTy); | |||
6208 | } else { | |||
6209 | SharedLVal = CGF.MakeNaturalAlignAddrLValue( | |||
6210 | llvm::ConstantPointerNull::get(CGM.VoidPtrTy), | |||
6211 | CGM.getContext().VoidPtrTy); | |||
6212 | } | |||
6213 | // Emit the initializer: | |||
6214 | // %0 = bitcast void* %arg to <type>* | |||
6215 | // store <type> <init>, <type>* %0 | |||
6216 | RCG.emitInitialization(CGF, N, PrivateAddr, SharedLVal, | |||
6217 | [](CodeGenFunction &) { return false; }); | |||
6218 | CGF.FinishFunction(); | |||
6219 | return Fn; | |||
6220 | } | |||
6221 | ||||
6222 | /// Emits reduction combiner function: | |||
6223 | /// \code | |||
6224 | /// void @.red_comb(void* %arg0, void* %arg1) { | |||
6225 | /// %lhs = bitcast void* %arg0 to <type>* | |||
6226 | /// %rhs = bitcast void* %arg1 to <type>* | |||
6227 | /// %2 = <ReductionOp>(<type>* %lhs, <type>* %rhs) | |||
6228 | /// store <type> %2, <type>* %lhs | |||
6229 | /// ret void | |||
6230 | /// } | |||
6231 | /// \endcode | |||
6232 | static llvm::Value *emitReduceCombFunction(CodeGenModule &CGM, | |||
6233 | SourceLocation Loc, | |||
6234 | ReductionCodeGen &RCG, unsigned N, | |||
6235 | const Expr *ReductionOp, | |||
6236 | const Expr *LHS, const Expr *RHS, | |||
6237 | const Expr *PrivateRef) { | |||
6238 | ASTContext &C = CGM.getContext(); | |||
6239 | const auto *LHSVD = cast<VarDecl>(cast<DeclRefExpr>(LHS)->getDecl()); | |||
6240 | const auto *RHSVD = cast<VarDecl>(cast<DeclRefExpr>(RHS)->getDecl()); | |||
6241 | FunctionArgList Args; | |||
6242 | ImplicitParamDecl ParamInOut(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
6243 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
6244 | ImplicitParamDecl ParamIn(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
6245 | ImplicitParamDecl::Other); | |||
6246 | Args.emplace_back(&ParamInOut); | |||
6247 | Args.emplace_back(&ParamIn); | |||
6248 | const auto &FnInfo = | |||
6249 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
6250 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
6251 | std::string Name = CGM.getOpenMPRuntime().getName({"red_comb", ""}); | |||
6252 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
6253 | Name, &CGM.getModule()); | |||
6254 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
6255 | Fn->setDoesNotRecurse(); | |||
6256 | CodeGenFunction CGF(CGM); | |||
6257 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
6258 | llvm::Value *Size = nullptr; | |||
6259 | // If the size of the reduction item is non-constant, load it from global | |||
6260 | // threadprivate variable. | |||
6261 | if (RCG.getSizes(N).second) { | |||
6262 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
6263 | CGF, CGM.getContext().getSizeType(), | |||
6264 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
6265 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
6266 | CGM.getContext().getSizeType(), Loc); | |||
6267 | } | |||
6268 | RCG.emitAggregateType(CGF, N, Size); | |||
6269 | // Remap lhs and rhs variables to the addresses of the function arguments. | |||
6270 | // %lhs = bitcast void* %arg0 to <type>* | |||
6271 | // %rhs = bitcast void* %arg1 to <type>* | |||
6272 | CodeGenFunction::OMPPrivateScope PrivateScope(CGF); | |||
6273 | PrivateScope.addPrivate(LHSVD, [&C, &CGF, &ParamInOut, LHSVD]() { | |||
6274 | // Pull out the pointer to the variable. | |||
6275 | Address PtrAddr = CGF.EmitLoadOfPointer( | |||
6276 | CGF.GetAddrOfLocalVar(&ParamInOut), | |||
6277 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
6278 | return CGF.Builder.CreateElementBitCast( | |||
6279 | PtrAddr, CGF.ConvertTypeForMem(LHSVD->getType())); | |||
6280 | }); | |||
6281 | PrivateScope.addPrivate(RHSVD, [&C, &CGF, &ParamIn, RHSVD]() { | |||
6282 | // Pull out the pointer to the variable. | |||
6283 | Address PtrAddr = CGF.EmitLoadOfPointer( | |||
6284 | CGF.GetAddrOfLocalVar(&ParamIn), | |||
6285 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
6286 | return CGF.Builder.CreateElementBitCast( | |||
6287 | PtrAddr, CGF.ConvertTypeForMem(RHSVD->getType())); | |||
6288 | }); | |||
6289 | PrivateScope.Privatize(); | |||
6290 | // Emit the combiner body: | |||
6291 | // %2 = <ReductionOp>(<type> *%lhs, <type> *%rhs) | |||
6292 | // store <type> %2, <type>* %lhs | |||
6293 | CGM.getOpenMPRuntime().emitSingleReductionCombiner( | |||
6294 | CGF, ReductionOp, PrivateRef, cast<DeclRefExpr>(LHS), | |||
6295 | cast<DeclRefExpr>(RHS)); | |||
6296 | CGF.FinishFunction(); | |||
6297 | return Fn; | |||
6298 | } | |||
6299 | ||||
6300 | /// Emits reduction finalizer function: | |||
6301 | /// \code | |||
6302 | /// void @.red_fini(void* %arg) { | |||
6303 | /// %0 = bitcast void* %arg to <type>* | |||
6304 | /// <destroy>(<type>* %0) | |||
6305 | /// ret void | |||
6306 | /// } | |||
6307 | /// \endcode | |||
6308 | static llvm::Value *emitReduceFiniFunction(CodeGenModule &CGM, | |||
6309 | SourceLocation Loc, | |||
6310 | ReductionCodeGen &RCG, unsigned N) { | |||
6311 | if (!RCG.needCleanups(N)) | |||
6312 | return nullptr; | |||
6313 | ASTContext &C = CGM.getContext(); | |||
6314 | FunctionArgList Args; | |||
6315 | ImplicitParamDecl Param(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
6316 | ImplicitParamDecl::Other); | |||
6317 | Args.emplace_back(&Param); | |||
6318 | const auto &FnInfo = | |||
6319 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
6320 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
6321 | std::string Name = CGM.getOpenMPRuntime().getName({"red_fini", ""}); | |||
6322 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
6323 | Name, &CGM.getModule()); | |||
6324 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
6325 | Fn->setDoesNotRecurse(); | |||
6326 | CodeGenFunction CGF(CGM); | |||
6327 | CGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
6328 | Address PrivateAddr = CGF.EmitLoadOfPointer( | |||
6329 | CGF.GetAddrOfLocalVar(&Param), | |||
6330 | C.getPointerType(C.VoidPtrTy).castAs<PointerType>()); | |||
6331 | llvm::Value *Size = nullptr; | |||
6332 | // If the size of the reduction item is non-constant, load it from global | |||
6333 | // threadprivate variable. | |||
6334 | if (RCG.getSizes(N).second) { | |||
6335 | Address SizeAddr = CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate( | |||
6336 | CGF, CGM.getContext().getSizeType(), | |||
6337 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
6338 | Size = CGF.EmitLoadOfScalar(SizeAddr, /*Volatile=*/false, | |||
6339 | CGM.getContext().getSizeType(), Loc); | |||
6340 | } | |||
6341 | RCG.emitAggregateType(CGF, N, Size); | |||
6342 | // Emit the finalizer body: | |||
6343 | // <destroy>(<type>* %0) | |||
6344 | RCG.emitCleanups(CGF, N, PrivateAddr); | |||
6345 | CGF.FinishFunction(Loc); | |||
6346 | return Fn; | |||
6347 | } | |||
6348 | ||||
6349 | llvm::Value *CGOpenMPRuntime::emitTaskReductionInit( | |||
6350 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | |||
6351 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | |||
6352 | if (!CGF.HaveInsertPoint() || Data.ReductionVars.empty()) | |||
6353 | return nullptr; | |||
6354 | ||||
6355 | // Build typedef struct: | |||
6356 | // kmp_task_red_input { | |||
6357 | // void *reduce_shar; // shared reduction item | |||
6358 | // size_t reduce_size; // size of data item | |||
6359 | // void *reduce_init; // data initialization routine | |||
6360 | // void *reduce_fini; // data finalization routine | |||
6361 | // void *reduce_comb; // data combiner routine | |||
6362 | // kmp_task_red_flags_t flags; // flags for additional info from compiler | |||
6363 | // } kmp_task_red_input_t; | |||
6364 | ASTContext &C = CGM.getContext(); | |||
6365 | RecordDecl *RD = C.buildImplicitRecord("kmp_task_red_input_t"); | |||
6366 | RD->startDefinition(); | |||
6367 | const FieldDecl *SharedFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6368 | const FieldDecl *SizeFD = addFieldToRecordDecl(C, RD, C.getSizeType()); | |||
6369 | const FieldDecl *InitFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6370 | const FieldDecl *FiniFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6371 | const FieldDecl *CombFD = addFieldToRecordDecl(C, RD, C.VoidPtrTy); | |||
6372 | const FieldDecl *FlagsFD = addFieldToRecordDecl( | |||
6373 | C, RD, C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/false)); | |||
6374 | RD->completeDefinition(); | |||
6375 | QualType RDType = C.getRecordType(RD); | |||
6376 | unsigned Size = Data.ReductionVars.size(); | |||
6377 | llvm::APInt ArraySize(/*numBits=*/64, Size); | |||
6378 | QualType ArrayRDType = C.getConstantArrayType( | |||
6379 | RDType, ArraySize, nullptr, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
6380 | // kmp_task_red_input_t .rd_input.[Size]; | |||
6381 | Address TaskRedInput = CGF.CreateMemTemp(ArrayRDType, ".rd_input."); | |||
6382 | ReductionCodeGen RCG(Data.ReductionVars, Data.ReductionCopies, | |||
6383 | Data.ReductionOps); | |||
6384 | for (unsigned Cnt = 0; Cnt < Size; ++Cnt) { | |||
6385 | // kmp_task_red_input_t &ElemLVal = .rd_input.[Cnt]; | |||
6386 | llvm::Value *Idxs[] = {llvm::ConstantInt::get(CGM.SizeTy, /*V=*/0), | |||
6387 | llvm::ConstantInt::get(CGM.SizeTy, Cnt)}; | |||
6388 | llvm::Value *GEP = CGF.EmitCheckedInBoundsGEP( | |||
6389 | TaskRedInput.getPointer(), Idxs, | |||
6390 | /*SignedIndices=*/false, /*IsSubtraction=*/false, Loc, | |||
6391 | ".rd_input.gep."); | |||
6392 | LValue ElemLVal = CGF.MakeNaturalAlignAddrLValue(GEP, RDType); | |||
6393 | // ElemLVal.reduce_shar = &Shareds[Cnt]; | |||
6394 | LValue SharedLVal = CGF.EmitLValueForField(ElemLVal, SharedFD); | |||
6395 | RCG.emitSharedLValue(CGF, Cnt); | |||
6396 | llvm::Value *CastedShared = | |||
6397 | CGF.EmitCastToVoidPtr(RCG.getSharedLValue(Cnt).getPointer(CGF)); | |||
6398 | CGF.EmitStoreOfScalar(CastedShared, SharedLVal); | |||
6399 | RCG.emitAggregateType(CGF, Cnt); | |||
6400 | llvm::Value *SizeValInChars; | |||
6401 | llvm::Value *SizeVal; | |||
6402 | std::tie(SizeValInChars, SizeVal) = RCG.getSizes(Cnt); | |||
6403 | // We use delayed creation/initialization for VLAs, array sections and | |||
6404 | // custom reduction initializations. It is required because runtime does not | |||
6405 | // provide the way to pass the sizes of VLAs/array sections to | |||
6406 | // initializer/combiner/finalizer functions and does not pass the pointer to | |||
6407 | // original reduction item to the initializer. Instead threadprivate global | |||
6408 | // variables are used to store these values and use them in the functions. | |||
6409 | bool DelayedCreation = !!SizeVal; | |||
6410 | SizeValInChars = CGF.Builder.CreateIntCast(SizeValInChars, CGM.SizeTy, | |||
6411 | /*isSigned=*/false); | |||
6412 | LValue SizeLVal = CGF.EmitLValueForField(ElemLVal, SizeFD); | |||
6413 | CGF.EmitStoreOfScalar(SizeValInChars, SizeLVal); | |||
6414 | // ElemLVal.reduce_init = init; | |||
6415 | LValue InitLVal = CGF.EmitLValueForField(ElemLVal, InitFD); | |||
6416 | llvm::Value *InitAddr = | |||
6417 | CGF.EmitCastToVoidPtr(emitReduceInitFunction(CGM, Loc, RCG, Cnt)); | |||
6418 | CGF.EmitStoreOfScalar(InitAddr, InitLVal); | |||
6419 | DelayedCreation = DelayedCreation || RCG.usesReductionInitializer(Cnt); | |||
6420 | // ElemLVal.reduce_fini = fini; | |||
6421 | LValue FiniLVal = CGF.EmitLValueForField(ElemLVal, FiniFD); | |||
6422 | llvm::Value *Fini = emitReduceFiniFunction(CGM, Loc, RCG, Cnt); | |||
6423 | llvm::Value *FiniAddr = Fini | |||
6424 | ? CGF.EmitCastToVoidPtr(Fini) | |||
6425 | : llvm::ConstantPointerNull::get(CGM.VoidPtrTy); | |||
6426 | CGF.EmitStoreOfScalar(FiniAddr, FiniLVal); | |||
6427 | // ElemLVal.reduce_comb = comb; | |||
6428 | LValue CombLVal = CGF.EmitLValueForField(ElemLVal, CombFD); | |||
6429 | llvm::Value *CombAddr = CGF.EmitCastToVoidPtr(emitReduceCombFunction( | |||
6430 | CGM, Loc, RCG, Cnt, Data.ReductionOps[Cnt], LHSExprs[Cnt], | |||
6431 | RHSExprs[Cnt], Data.ReductionCopies[Cnt])); | |||
6432 | CGF.EmitStoreOfScalar(CombAddr, CombLVal); | |||
6433 | // ElemLVal.flags = 0; | |||
6434 | LValue FlagsLVal = CGF.EmitLValueForField(ElemLVal, FlagsFD); | |||
6435 | if (DelayedCreation) { | |||
6436 | CGF.EmitStoreOfScalar( | |||
6437 | llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*isSigned=*/true), | |||
6438 | FlagsLVal); | |||
6439 | } else | |||
6440 | CGF.EmitNullInitialization(FlagsLVal.getAddress(CGF), | |||
6441 | FlagsLVal.getType()); | |||
6442 | } | |||
6443 | // Build call void *__kmpc_task_reduction_init(int gtid, int num_data, void | |||
6444 | // *data); | |||
6445 | llvm::Value *Args[] = { | |||
6446 | CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), CGM.IntTy, | |||
6447 | /*isSigned=*/true), | |||
6448 | llvm::ConstantInt::get(CGM.IntTy, Size, /*isSigned=*/true), | |||
6449 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(TaskRedInput.getPointer(), | |||
6450 | CGM.VoidPtrTy)}; | |||
6451 | return CGF.EmitRuntimeCall( | |||
6452 | createRuntimeFunction(OMPRTL__kmpc_task_reduction_init), Args); | |||
6453 | } | |||
6454 | ||||
6455 | void CGOpenMPRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | |||
6456 | SourceLocation Loc, | |||
6457 | ReductionCodeGen &RCG, | |||
6458 | unsigned N) { | |||
6459 | auto Sizes = RCG.getSizes(N); | |||
6460 | // Emit threadprivate global variable if the type is non-constant | |||
6461 | // (Sizes.second = nullptr). | |||
6462 | if (Sizes.second) { | |||
6463 | llvm::Value *SizeVal = CGF.Builder.CreateIntCast(Sizes.second, CGM.SizeTy, | |||
6464 | /*isSigned=*/false); | |||
6465 | Address SizeAddr = getAddrOfArtificialThreadPrivate( | |||
6466 | CGF, CGM.getContext().getSizeType(), | |||
6467 | generateUniqueName(CGM, "reduction_size", RCG.getRefExpr(N))); | |||
6468 | CGF.Builder.CreateStore(SizeVal, SizeAddr, /*IsVolatile=*/false); | |||
6469 | } | |||
6470 | // Store address of the original reduction item if custom initializer is used. | |||
6471 | if (RCG.usesReductionInitializer(N)) { | |||
6472 | Address SharedAddr = getAddrOfArtificialThreadPrivate( | |||
6473 | CGF, CGM.getContext().VoidPtrTy, | |||
6474 | generateUniqueName(CGM, "reduction", RCG.getRefExpr(N))); | |||
6475 | CGF.Builder.CreateStore( | |||
6476 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
6477 | RCG.getSharedLValue(N).getPointer(CGF), CGM.VoidPtrTy), | |||
6478 | SharedAddr, /*IsVolatile=*/false); | |||
6479 | } | |||
6480 | } | |||
6481 | ||||
6482 | Address CGOpenMPRuntime::getTaskReductionItem(CodeGenFunction &CGF, | |||
6483 | SourceLocation Loc, | |||
6484 | llvm::Value *ReductionsPtr, | |||
6485 | LValue SharedLVal) { | |||
6486 | // Build call void *__kmpc_task_reduction_get_th_data(int gtid, void *tg, void | |||
6487 | // *d); | |||
6488 | llvm::Value *Args[] = {CGF.Builder.CreateIntCast(getThreadID(CGF, Loc), | |||
6489 | CGM.IntTy, | |||
6490 | /*isSigned=*/true), | |||
6491 | ReductionsPtr, | |||
6492 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
6493 | SharedLVal.getPointer(CGF), CGM.VoidPtrTy)}; | |||
6494 | return Address( | |||
6495 | CGF.EmitRuntimeCall( | |||
6496 | createRuntimeFunction(OMPRTL__kmpc_task_reduction_get_th_data), Args), | |||
6497 | SharedLVal.getAlignment()); | |||
6498 | } | |||
6499 | ||||
6500 | void CGOpenMPRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | |||
6501 | SourceLocation Loc) { | |||
6502 | if (!CGF.HaveInsertPoint()) | |||
6503 | return; | |||
6504 | ||||
6505 | llvm::OpenMPIRBuilder *OMPBuilder = CGF.CGM.getOpenMPIRBuilder(); | |||
6506 | if (OMPBuilder) { | |||
6507 | OMPBuilder->CreateTaskwait(CGF.Builder); | |||
6508 | } else { | |||
6509 | // Build call kmp_int32 __kmpc_omp_taskwait(ident_t *loc, kmp_int32 | |||
6510 | // global_tid); | |||
6511 | llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)}; | |||
6512 | // Ignore return result until untied tasks are supported. | |||
6513 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_omp_taskwait), Args); | |||
6514 | } | |||
6515 | ||||
6516 | if (auto *Region = dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) | |||
6517 | Region->emitUntiedSwitch(CGF); | |||
6518 | } | |||
6519 | ||||
6520 | void CGOpenMPRuntime::emitInlinedDirective(CodeGenFunction &CGF, | |||
6521 | OpenMPDirectiveKind InnerKind, | |||
6522 | const RegionCodeGenTy &CodeGen, | |||
6523 | bool HasCancel) { | |||
6524 | if (!CGF.HaveInsertPoint()) | |||
6525 | return; | |||
6526 | InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel); | |||
6527 | CGF.CapturedStmtInfo->EmitBody(CGF, /*S=*/nullptr); | |||
6528 | } | |||
6529 | ||||
6530 | namespace { | |||
6531 | enum RTCancelKind { | |||
6532 | CancelNoreq = 0, | |||
6533 | CancelParallel = 1, | |||
6534 | CancelLoop = 2, | |||
6535 | CancelSections = 3, | |||
6536 | CancelTaskgroup = 4 | |||
6537 | }; | |||
6538 | } // anonymous namespace | |||
6539 | ||||
6540 | static RTCancelKind getCancellationKind(OpenMPDirectiveKind CancelRegion) { | |||
6541 | RTCancelKind CancelKind = CancelNoreq; | |||
6542 | if (CancelRegion == OMPD_parallel) | |||
6543 | CancelKind = CancelParallel; | |||
6544 | else if (CancelRegion == OMPD_for) | |||
6545 | CancelKind = CancelLoop; | |||
6546 | else if (CancelRegion == OMPD_sections) | |||
6547 | CancelKind = CancelSections; | |||
6548 | else { | |||
6549 | assert(CancelRegion == OMPD_taskgroup)((CancelRegion == OMPD_taskgroup) ? static_cast<void> ( 0) : __assert_fail ("CancelRegion == OMPD_taskgroup", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6549, __PRETTY_FUNCTION__)); | |||
6550 | CancelKind = CancelTaskgroup; | |||
6551 | } | |||
6552 | return CancelKind; | |||
6553 | } | |||
6554 | ||||
6555 | void CGOpenMPRuntime::emitCancellationPointCall( | |||
6556 | CodeGenFunction &CGF, SourceLocation Loc, | |||
6557 | OpenMPDirectiveKind CancelRegion) { | |||
6558 | if (!CGF.HaveInsertPoint()) | |||
6559 | return; | |||
6560 | // Build call kmp_int32 __kmpc_cancellationpoint(ident_t *loc, kmp_int32 | |||
6561 | // global_tid, kmp_int32 cncl_kind); | |||
6562 | if (auto *OMPRegionInfo = | |||
6563 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
6564 | // For 'cancellation point taskgroup', the task region info may not have a | |||
6565 | // cancel. This may instead happen in another adjacent task. | |||
6566 | if (CancelRegion == OMPD_taskgroup || OMPRegionInfo->hasCancel()) { | |||
6567 | llvm::Value *Args[] = { | |||
6568 | emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc), | |||
6569 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | |||
6570 | // Ignore return result until untied tasks are supported. | |||
6571 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
6572 | createRuntimeFunction(OMPRTL__kmpc_cancellationpoint), Args); | |||
6573 | // if (__kmpc_cancellationpoint()) { | |||
6574 | // exit from construct; | |||
6575 | // } | |||
6576 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
6577 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
6578 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
6579 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
6580 | CGF.EmitBlock(ExitBB); | |||
6581 | // exit from construct; | |||
6582 | CodeGenFunction::JumpDest CancelDest = | |||
6583 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
6584 | CGF.EmitBranchThroughCleanup(CancelDest); | |||
6585 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
6586 | } | |||
6587 | } | |||
6588 | } | |||
6589 | ||||
6590 | void CGOpenMPRuntime::emitCancelCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
6591 | const Expr *IfCond, | |||
6592 | OpenMPDirectiveKind CancelRegion) { | |||
6593 | if (!CGF.HaveInsertPoint()) | |||
6594 | return; | |||
6595 | // Build call kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid, | |||
6596 | // kmp_int32 cncl_kind); | |||
6597 | if (auto *OMPRegionInfo = | |||
6598 | dyn_cast_or_null<CGOpenMPRegionInfo>(CGF.CapturedStmtInfo)) { | |||
6599 | auto &&ThenGen = [Loc, CancelRegion, OMPRegionInfo](CodeGenFunction &CGF, | |||
6600 | PrePostActionTy &) { | |||
6601 | CGOpenMPRuntime &RT = CGF.CGM.getOpenMPRuntime(); | |||
6602 | llvm::Value *Args[] = { | |||
6603 | RT.emitUpdateLocation(CGF, Loc), RT.getThreadID(CGF, Loc), | |||
6604 | CGF.Builder.getInt32(getCancellationKind(CancelRegion))}; | |||
6605 | // Ignore return result until untied tasks are supported. | |||
6606 | llvm::Value *Result = CGF.EmitRuntimeCall( | |||
6607 | RT.createRuntimeFunction(OMPRTL__kmpc_cancel), Args); | |||
6608 | // if (__kmpc_cancel()) { | |||
6609 | // exit from construct; | |||
6610 | // } | |||
6611 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".cancel.exit"); | |||
6612 | llvm::BasicBlock *ContBB = CGF.createBasicBlock(".cancel.continue"); | |||
6613 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Result); | |||
6614 | CGF.Builder.CreateCondBr(Cmp, ExitBB, ContBB); | |||
6615 | CGF.EmitBlock(ExitBB); | |||
6616 | // exit from construct; | |||
6617 | CodeGenFunction::JumpDest CancelDest = | |||
6618 | CGF.getOMPCancelDestination(OMPRegionInfo->getDirectiveKind()); | |||
6619 | CGF.EmitBranchThroughCleanup(CancelDest); | |||
6620 | CGF.EmitBlock(ContBB, /*IsFinished=*/true); | |||
6621 | }; | |||
6622 | if (IfCond) { | |||
6623 | emitIfClause(CGF, IfCond, ThenGen, | |||
6624 | [](CodeGenFunction &, PrePostActionTy &) {}); | |||
6625 | } else { | |||
6626 | RegionCodeGenTy ThenRCG(ThenGen); | |||
6627 | ThenRCG(CGF); | |||
6628 | } | |||
6629 | } | |||
6630 | } | |||
6631 | ||||
6632 | void CGOpenMPRuntime::emitTargetOutlinedFunction( | |||
6633 | const OMPExecutableDirective &D, StringRef ParentName, | |||
6634 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
6635 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
6636 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6636, __PRETTY_FUNCTION__)); | |||
6637 | HasEmittedTargetRegion = true; | |||
6638 | emitTargetOutlinedFunctionHelper(D, ParentName, OutlinedFn, OutlinedFnID, | |||
6639 | IsOffloadEntry, CodeGen); | |||
6640 | } | |||
6641 | ||||
6642 | void CGOpenMPRuntime::emitTargetOutlinedFunctionHelper( | |||
6643 | const OMPExecutableDirective &D, StringRef ParentName, | |||
6644 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
6645 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
6646 | // Create a unique name for the entry function using the source location | |||
6647 | // information of the current target region. The name will be something like: | |||
6648 | // | |||
6649 | // __omp_offloading_DD_FFFF_PP_lBB | |||
6650 | // | |||
6651 | // where DD_FFFF is an ID unique to the file (device and file IDs), PP is the | |||
6652 | // mangled name of the function that encloses the target region and BB is the | |||
6653 | // line number of the target region. | |||
6654 | ||||
6655 | unsigned DeviceID; | |||
6656 | unsigned FileID; | |||
6657 | unsigned Line; | |||
6658 | getTargetEntryUniqueInfo(CGM.getContext(), D.getBeginLoc(), DeviceID, FileID, | |||
6659 | Line); | |||
6660 | SmallString<64> EntryFnName; | |||
6661 | { | |||
6662 | llvm::raw_svector_ostream OS(EntryFnName); | |||
6663 | OS << "__omp_offloading" << llvm::format("_%x", DeviceID) | |||
6664 | << llvm::format("_%x_", FileID) << ParentName << "_l" << Line; | |||
6665 | } | |||
6666 | ||||
6667 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | |||
6668 | ||||
6669 | CodeGenFunction CGF(CGM, true); | |||
6670 | CGOpenMPTargetRegionInfo CGInfo(CS, CodeGen, EntryFnName); | |||
6671 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6672 | ||||
6673 | OutlinedFn = CGF.GenerateOpenMPCapturedStmtFunction(CS, D.getBeginLoc()); | |||
6674 | ||||
6675 | // If this target outline function is not an offload entry, we don't need to | |||
6676 | // register it. | |||
6677 | if (!IsOffloadEntry) | |||
6678 | return; | |||
6679 | ||||
6680 | // The target region ID is used by the runtime library to identify the current | |||
6681 | // target region, so it only has to be unique and not necessarily point to | |||
6682 | // anything. It could be the pointer to the outlined function that implements | |||
6683 | // the target region, but we aren't using that so that the compiler doesn't | |||
6684 | // need to keep that, and could therefore inline the host function if proven | |||
6685 | // worthwhile during optimization. In the other hand, if emitting code for the | |||
6686 | // device, the ID has to be the function address so that it can retrieved from | |||
6687 | // the offloading entry and launched by the runtime library. We also mark the | |||
6688 | // outlined function to have external linkage in case we are emitting code for | |||
6689 | // the device, because these functions will be entry points to the device. | |||
6690 | ||||
6691 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
6692 | OutlinedFnID = llvm::ConstantExpr::getBitCast(OutlinedFn, CGM.Int8PtrTy); | |||
6693 | OutlinedFn->setLinkage(llvm::GlobalValue::WeakAnyLinkage); | |||
6694 | OutlinedFn->setDSOLocal(false); | |||
6695 | } else { | |||
6696 | std::string Name = getName({EntryFnName, "region_id"}); | |||
6697 | OutlinedFnID = new llvm::GlobalVariable( | |||
6698 | CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true, | |||
6699 | llvm::GlobalValue::WeakAnyLinkage, | |||
6700 | llvm::Constant::getNullValue(CGM.Int8Ty), Name); | |||
6701 | } | |||
6702 | ||||
6703 | // Register the information for the entry associated with this target region. | |||
6704 | OffloadEntriesInfoManager.registerTargetRegionEntryInfo( | |||
6705 | DeviceID, FileID, ParentName, Line, OutlinedFn, OutlinedFnID, | |||
6706 | OffloadEntriesInfoManagerTy::OMPTargetRegionEntryTargetRegion); | |||
6707 | } | |||
6708 | ||||
6709 | /// Checks if the expression is constant or does not have non-trivial function | |||
6710 | /// calls. | |||
6711 | static bool isTrivial(ASTContext &Ctx, const Expr * E) { | |||
6712 | // We can skip constant expressions. | |||
6713 | // We can skip expressions with trivial calls or simple expressions. | |||
6714 | return (E->isEvaluatable(Ctx, Expr::SE_AllowUndefinedBehavior) || | |||
6715 | !E->hasNonTrivialCall(Ctx)) && | |||
6716 | !E->HasSideEffects(Ctx, /*IncludePossibleEffects=*/true); | |||
6717 | } | |||
6718 | ||||
6719 | const Stmt *CGOpenMPRuntime::getSingleCompoundChild(ASTContext &Ctx, | |||
6720 | const Stmt *Body) { | |||
6721 | const Stmt *Child = Body->IgnoreContainers(); | |||
6722 | while (const auto *C = dyn_cast_or_null<CompoundStmt>(Child)) { | |||
6723 | Child = nullptr; | |||
6724 | for (const Stmt *S : C->body()) { | |||
6725 | if (const auto *E = dyn_cast<Expr>(S)) { | |||
6726 | if (isTrivial(Ctx, E)) | |||
6727 | continue; | |||
6728 | } | |||
6729 | // Some of the statements can be ignored. | |||
6730 | if (isa<AsmStmt>(S) || isa<NullStmt>(S) || isa<OMPFlushDirective>(S) || | |||
6731 | isa<OMPBarrierDirective>(S) || isa<OMPTaskyieldDirective>(S)) | |||
6732 | continue; | |||
6733 | // Analyze declarations. | |||
6734 | if (const auto *DS = dyn_cast<DeclStmt>(S)) { | |||
6735 | if (llvm::all_of(DS->decls(), [&Ctx](const Decl *D) { | |||
6736 | if (isa<EmptyDecl>(D) || isa<DeclContext>(D) || | |||
6737 | isa<TypeDecl>(D) || isa<PragmaCommentDecl>(D) || | |||
6738 | isa<PragmaDetectMismatchDecl>(D) || isa<UsingDecl>(D) || | |||
6739 | isa<UsingDirectiveDecl>(D) || | |||
6740 | isa<OMPDeclareReductionDecl>(D) || | |||
6741 | isa<OMPThreadPrivateDecl>(D) || isa<OMPAllocateDecl>(D)) | |||
6742 | return true; | |||
6743 | const auto *VD = dyn_cast<VarDecl>(D); | |||
6744 | if (!VD) | |||
6745 | return false; | |||
6746 | return VD->isConstexpr() || | |||
6747 | ((VD->getType().isTrivialType(Ctx) || | |||
6748 | VD->getType()->isReferenceType()) && | |||
6749 | (!VD->hasInit() || isTrivial(Ctx, VD->getInit()))); | |||
6750 | })) | |||
6751 | continue; | |||
6752 | } | |||
6753 | // Found multiple children - cannot get the one child only. | |||
6754 | if (Child) | |||
6755 | return nullptr; | |||
6756 | Child = S; | |||
6757 | } | |||
6758 | if (Child) | |||
6759 | Child = Child->IgnoreContainers(); | |||
6760 | } | |||
6761 | return Child; | |||
6762 | } | |||
6763 | ||||
6764 | /// Emit the number of teams for a target directive. Inspect the num_teams | |||
6765 | /// clause associated with a teams construct combined or closely nested | |||
6766 | /// with the target directive. | |||
6767 | /// | |||
6768 | /// Emit a team of size one for directives such as 'target parallel' that | |||
6769 | /// have no associated teams construct. | |||
6770 | /// | |||
6771 | /// Otherwise, return nullptr. | |||
6772 | static llvm::Value * | |||
6773 | emitNumTeamsForTargetDirective(CodeGenFunction &CGF, | |||
6774 | const OMPExecutableDirective &D) { | |||
6775 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6777, __PRETTY_FUNCTION__)) | |||
6776 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6777, __PRETTY_FUNCTION__)) | |||
6777 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6777, __PRETTY_FUNCTION__)); | |||
6778 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | |||
6779 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6780, __PRETTY_FUNCTION__)) | |||
6780 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6780, __PRETTY_FUNCTION__)); | |||
6781 | CGBuilderTy &Bld = CGF.Builder; | |||
6782 | switch (DirectiveKind) { | |||
6783 | case OMPD_target: { | |||
6784 | const auto *CS = D.getInnermostCapturedStmt(); | |||
6785 | const auto *Body = | |||
6786 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
6787 | const Stmt *ChildStmt = | |||
6788 | CGOpenMPRuntime::getSingleCompoundChild(CGF.getContext(), Body); | |||
6789 | if (const auto *NestedDir = | |||
6790 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
6791 | if (isOpenMPTeamsDirective(NestedDir->getDirectiveKind())) { | |||
6792 | if (NestedDir->hasClausesOfKind<OMPNumTeamsClause>()) { | |||
6793 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6794 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6795 | const Expr *NumTeams = | |||
6796 | NestedDir->getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | |||
6797 | llvm::Value *NumTeamsVal = | |||
6798 | CGF.EmitScalarExpr(NumTeams, | |||
6799 | /*IgnoreResultAssign*/ true); | |||
6800 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | |||
6801 | /*isSigned=*/true); | |||
6802 | } | |||
6803 | return Bld.getInt32(0); | |||
6804 | } | |||
6805 | if (isOpenMPParallelDirective(NestedDir->getDirectiveKind()) || | |||
6806 | isOpenMPSimdDirective(NestedDir->getDirectiveKind())) | |||
6807 | return Bld.getInt32(1); | |||
6808 | return Bld.getInt32(0); | |||
6809 | } | |||
6810 | return nullptr; | |||
6811 | } | |||
6812 | case OMPD_target_teams: | |||
6813 | case OMPD_target_teams_distribute: | |||
6814 | case OMPD_target_teams_distribute_simd: | |||
6815 | case OMPD_target_teams_distribute_parallel_for: | |||
6816 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
6817 | if (D.hasClausesOfKind<OMPNumTeamsClause>()) { | |||
6818 | CodeGenFunction::RunCleanupsScope NumTeamsScope(CGF); | |||
6819 | const Expr *NumTeams = | |||
6820 | D.getSingleClause<OMPNumTeamsClause>()->getNumTeams(); | |||
6821 | llvm::Value *NumTeamsVal = | |||
6822 | CGF.EmitScalarExpr(NumTeams, | |||
6823 | /*IgnoreResultAssign*/ true); | |||
6824 | return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty, | |||
6825 | /*isSigned=*/true); | |||
6826 | } | |||
6827 | return Bld.getInt32(0); | |||
6828 | } | |||
6829 | case OMPD_target_parallel: | |||
6830 | case OMPD_target_parallel_for: | |||
6831 | case OMPD_target_parallel_for_simd: | |||
6832 | case OMPD_target_simd: | |||
6833 | return Bld.getInt32(1); | |||
6834 | case OMPD_parallel: | |||
6835 | case OMPD_for: | |||
6836 | case OMPD_parallel_for: | |||
6837 | case OMPD_parallel_master: | |||
6838 | case OMPD_parallel_sections: | |||
6839 | case OMPD_for_simd: | |||
6840 | case OMPD_parallel_for_simd: | |||
6841 | case OMPD_cancel: | |||
6842 | case OMPD_cancellation_point: | |||
6843 | case OMPD_ordered: | |||
6844 | case OMPD_threadprivate: | |||
6845 | case OMPD_allocate: | |||
6846 | case OMPD_task: | |||
6847 | case OMPD_simd: | |||
6848 | case OMPD_sections: | |||
6849 | case OMPD_section: | |||
6850 | case OMPD_single: | |||
6851 | case OMPD_master: | |||
6852 | case OMPD_critical: | |||
6853 | case OMPD_taskyield: | |||
6854 | case OMPD_barrier: | |||
6855 | case OMPD_taskwait: | |||
6856 | case OMPD_taskgroup: | |||
6857 | case OMPD_atomic: | |||
6858 | case OMPD_flush: | |||
6859 | case OMPD_depobj: | |||
6860 | case OMPD_teams: | |||
6861 | case OMPD_target_data: | |||
6862 | case OMPD_target_exit_data: | |||
6863 | case OMPD_target_enter_data: | |||
6864 | case OMPD_distribute: | |||
6865 | case OMPD_distribute_simd: | |||
6866 | case OMPD_distribute_parallel_for: | |||
6867 | case OMPD_distribute_parallel_for_simd: | |||
6868 | case OMPD_teams_distribute: | |||
6869 | case OMPD_teams_distribute_simd: | |||
6870 | case OMPD_teams_distribute_parallel_for: | |||
6871 | case OMPD_teams_distribute_parallel_for_simd: | |||
6872 | case OMPD_target_update: | |||
6873 | case OMPD_declare_simd: | |||
6874 | case OMPD_declare_variant: | |||
6875 | case OMPD_declare_target: | |||
6876 | case OMPD_end_declare_target: | |||
6877 | case OMPD_declare_reduction: | |||
6878 | case OMPD_declare_mapper: | |||
6879 | case OMPD_taskloop: | |||
6880 | case OMPD_taskloop_simd: | |||
6881 | case OMPD_master_taskloop: | |||
6882 | case OMPD_master_taskloop_simd: | |||
6883 | case OMPD_parallel_master_taskloop: | |||
6884 | case OMPD_parallel_master_taskloop_simd: | |||
6885 | case OMPD_requires: | |||
6886 | case OMPD_unknown: | |||
6887 | break; | |||
6888 | } | |||
6889 | llvm_unreachable("Unexpected directive kind.")::llvm::llvm_unreachable_internal("Unexpected directive kind." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6889); | |||
6890 | } | |||
6891 | ||||
6892 | static llvm::Value *getNumThreads(CodeGenFunction &CGF, const CapturedStmt *CS, | |||
6893 | llvm::Value *DefaultThreadLimitVal) { | |||
6894 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
6895 | CGF.getContext(), CS->getCapturedStmt()); | |||
6896 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
6897 | if (isOpenMPParallelDirective(Dir->getDirectiveKind())) { | |||
6898 | llvm::Value *NumThreads = nullptr; | |||
6899 | llvm::Value *CondVal = nullptr; | |||
6900 | // Handle if clause. If if clause present, the number of threads is | |||
6901 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | |||
6902 | if (Dir->hasClausesOfKind<OMPIfClause>()) { | |||
6903 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6904 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6905 | const OMPIfClause *IfClause = nullptr; | |||
6906 | for (const auto *C : Dir->getClausesOfKind<OMPIfClause>()) { | |||
6907 | if (C->getNameModifier() == OMPD_unknown || | |||
6908 | C->getNameModifier() == OMPD_parallel) { | |||
6909 | IfClause = C; | |||
6910 | break; | |||
6911 | } | |||
6912 | } | |||
6913 | if (IfClause) { | |||
6914 | const Expr *Cond = IfClause->getCondition(); | |||
6915 | bool Result; | |||
6916 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | |||
6917 | if (!Result) | |||
6918 | return CGF.Builder.getInt32(1); | |||
6919 | } else { | |||
6920 | CodeGenFunction::LexicalScope Scope(CGF, Cond->getSourceRange()); | |||
6921 | if (const auto *PreInit = | |||
6922 | cast_or_null<DeclStmt>(IfClause->getPreInitStmt())) { | |||
6923 | for (const auto *I : PreInit->decls()) { | |||
6924 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
6925 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
6926 | } else { | |||
6927 | CodeGenFunction::AutoVarEmission Emission = | |||
6928 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
6929 | CGF.EmitAutoVarCleanups(Emission); | |||
6930 | } | |||
6931 | } | |||
6932 | } | |||
6933 | CondVal = CGF.EvaluateExprAsBool(Cond); | |||
6934 | } | |||
6935 | } | |||
6936 | } | |||
6937 | // Check the value of num_threads clause iff if clause was not specified | |||
6938 | // or is not evaluated to false. | |||
6939 | if (Dir->hasClausesOfKind<OMPNumThreadsClause>()) { | |||
6940 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
6941 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
6942 | const auto *NumThreadsClause = | |||
6943 | Dir->getSingleClause<OMPNumThreadsClause>(); | |||
6944 | CodeGenFunction::LexicalScope Scope( | |||
6945 | CGF, NumThreadsClause->getNumThreads()->getSourceRange()); | |||
6946 | if (const auto *PreInit = | |||
6947 | cast_or_null<DeclStmt>(NumThreadsClause->getPreInitStmt())) { | |||
6948 | for (const auto *I : PreInit->decls()) { | |||
6949 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
6950 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
6951 | } else { | |||
6952 | CodeGenFunction::AutoVarEmission Emission = | |||
6953 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
6954 | CGF.EmitAutoVarCleanups(Emission); | |||
6955 | } | |||
6956 | } | |||
6957 | } | |||
6958 | NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads()); | |||
6959 | NumThreads = CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty, | |||
6960 | /*isSigned=*/false); | |||
6961 | if (DefaultThreadLimitVal) | |||
6962 | NumThreads = CGF.Builder.CreateSelect( | |||
6963 | CGF.Builder.CreateICmpULT(DefaultThreadLimitVal, NumThreads), | |||
6964 | DefaultThreadLimitVal, NumThreads); | |||
6965 | } else { | |||
6966 | NumThreads = DefaultThreadLimitVal ? DefaultThreadLimitVal | |||
6967 | : CGF.Builder.getInt32(0); | |||
6968 | } | |||
6969 | // Process condition of the if clause. | |||
6970 | if (CondVal) { | |||
6971 | NumThreads = CGF.Builder.CreateSelect(CondVal, NumThreads, | |||
6972 | CGF.Builder.getInt32(1)); | |||
6973 | } | |||
6974 | return NumThreads; | |||
6975 | } | |||
6976 | if (isOpenMPSimdDirective(Dir->getDirectiveKind())) | |||
6977 | return CGF.Builder.getInt32(1); | |||
6978 | return DefaultThreadLimitVal; | |||
6979 | } | |||
6980 | return DefaultThreadLimitVal ? DefaultThreadLimitVal | |||
6981 | : CGF.Builder.getInt32(0); | |||
6982 | } | |||
6983 | ||||
6984 | /// Emit the number of threads for a target directive. Inspect the | |||
6985 | /// thread_limit clause associated with a teams construct combined or closely | |||
6986 | /// nested with the target directive. | |||
6987 | /// | |||
6988 | /// Emit the num_threads clause for directives such as 'target parallel' that | |||
6989 | /// have no associated teams construct. | |||
6990 | /// | |||
6991 | /// Otherwise, return nullptr. | |||
6992 | static llvm::Value * | |||
6993 | emitNumThreadsForTargetDirective(CodeGenFunction &CGF, | |||
6994 | const OMPExecutableDirective &D) { | |||
6995 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6997, __PRETTY_FUNCTION__)) | |||
6996 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6997, __PRETTY_FUNCTION__)) | |||
6997 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 6997, __PRETTY_FUNCTION__)); | |||
6998 | OpenMPDirectiveKind DirectiveKind = D.getDirectiveKind(); | |||
6999 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7000, __PRETTY_FUNCTION__)) | |||
7000 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7000, __PRETTY_FUNCTION__)); | |||
7001 | CGBuilderTy &Bld = CGF.Builder; | |||
7002 | llvm::Value *ThreadLimitVal = nullptr; | |||
7003 | llvm::Value *NumThreadsVal = nullptr; | |||
7004 | switch (DirectiveKind) { | |||
7005 | case OMPD_target: { | |||
7006 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | |||
7007 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
7008 | return NumThreads; | |||
7009 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
7010 | CGF.getContext(), CS->getCapturedStmt()); | |||
7011 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
7012 | if (Dir->hasClausesOfKind<OMPThreadLimitClause>()) { | |||
7013 | CGOpenMPInnerExprInfo CGInfo(CGF, *CS); | |||
7014 | CodeGenFunction::CGCapturedStmtRAII CapInfoRAII(CGF, &CGInfo); | |||
7015 | const auto *ThreadLimitClause = | |||
7016 | Dir->getSingleClause<OMPThreadLimitClause>(); | |||
7017 | CodeGenFunction::LexicalScope Scope( | |||
7018 | CGF, ThreadLimitClause->getThreadLimit()->getSourceRange()); | |||
7019 | if (const auto *PreInit = | |||
7020 | cast_or_null<DeclStmt>(ThreadLimitClause->getPreInitStmt())) { | |||
7021 | for (const auto *I : PreInit->decls()) { | |||
7022 | if (!I->hasAttr<OMPCaptureNoInitAttr>()) { | |||
7023 | CGF.EmitVarDecl(cast<VarDecl>(*I)); | |||
7024 | } else { | |||
7025 | CodeGenFunction::AutoVarEmission Emission = | |||
7026 | CGF.EmitAutoVarAlloca(cast<VarDecl>(*I)); | |||
7027 | CGF.EmitAutoVarCleanups(Emission); | |||
7028 | } | |||
7029 | } | |||
7030 | } | |||
7031 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
7032 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
7033 | ThreadLimitVal = | |||
7034 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
7035 | } | |||
7036 | if (isOpenMPTeamsDirective(Dir->getDirectiveKind()) && | |||
7037 | !isOpenMPDistributeDirective(Dir->getDirectiveKind())) { | |||
7038 | CS = Dir->getInnermostCapturedStmt(); | |||
7039 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
7040 | CGF.getContext(), CS->getCapturedStmt()); | |||
7041 | Dir = dyn_cast_or_null<OMPExecutableDirective>(Child); | |||
7042 | } | |||
7043 | if (Dir && isOpenMPDistributeDirective(Dir->getDirectiveKind()) && | |||
7044 | !isOpenMPSimdDirective(Dir->getDirectiveKind())) { | |||
7045 | CS = Dir->getInnermostCapturedStmt(); | |||
7046 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
7047 | return NumThreads; | |||
7048 | } | |||
7049 | if (Dir && isOpenMPSimdDirective(Dir->getDirectiveKind())) | |||
7050 | return Bld.getInt32(1); | |||
7051 | } | |||
7052 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | |||
7053 | } | |||
7054 | case OMPD_target_teams: { | |||
7055 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
7056 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
7057 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
7058 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
7059 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
7060 | ThreadLimitVal = | |||
7061 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
7062 | } | |||
7063 | const CapturedStmt *CS = D.getInnermostCapturedStmt(); | |||
7064 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
7065 | return NumThreads; | |||
7066 | const Stmt *Child = CGOpenMPRuntime::getSingleCompoundChild( | |||
7067 | CGF.getContext(), CS->getCapturedStmt()); | |||
7068 | if (const auto *Dir = dyn_cast_or_null<OMPExecutableDirective>(Child)) { | |||
7069 | if (Dir->getDirectiveKind() == OMPD_distribute) { | |||
7070 | CS = Dir->getInnermostCapturedStmt(); | |||
7071 | if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal)) | |||
7072 | return NumThreads; | |||
7073 | } | |||
7074 | } | |||
7075 | return ThreadLimitVal ? ThreadLimitVal : Bld.getInt32(0); | |||
7076 | } | |||
7077 | case OMPD_target_teams_distribute: | |||
7078 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
7079 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
7080 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
7081 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
7082 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
7083 | ThreadLimitVal = | |||
7084 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
7085 | } | |||
7086 | return getNumThreads(CGF, D.getInnermostCapturedStmt(), ThreadLimitVal); | |||
7087 | case OMPD_target_parallel: | |||
7088 | case OMPD_target_parallel_for: | |||
7089 | case OMPD_target_parallel_for_simd: | |||
7090 | case OMPD_target_teams_distribute_parallel_for: | |||
7091 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
7092 | llvm::Value *CondVal = nullptr; | |||
7093 | // Handle if clause. If if clause present, the number of threads is | |||
7094 | // calculated as <cond> ? (<numthreads> ? <numthreads> : 0 ) : 1. | |||
7095 | if (D.hasClausesOfKind<OMPIfClause>()) { | |||
7096 | const OMPIfClause *IfClause = nullptr; | |||
7097 | for (const auto *C : D.getClausesOfKind<OMPIfClause>()) { | |||
7098 | if (C->getNameModifier() == OMPD_unknown || | |||
7099 | C->getNameModifier() == OMPD_parallel) { | |||
7100 | IfClause = C; | |||
7101 | break; | |||
7102 | } | |||
7103 | } | |||
7104 | if (IfClause) { | |||
7105 | const Expr *Cond = IfClause->getCondition(); | |||
7106 | bool Result; | |||
7107 | if (Cond->EvaluateAsBooleanCondition(Result, CGF.getContext())) { | |||
7108 | if (!Result) | |||
7109 | return Bld.getInt32(1); | |||
7110 | } else { | |||
7111 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
7112 | CondVal = CGF.EvaluateExprAsBool(Cond); | |||
7113 | } | |||
7114 | } | |||
7115 | } | |||
7116 | if (D.hasClausesOfKind<OMPThreadLimitClause>()) { | |||
7117 | CodeGenFunction::RunCleanupsScope ThreadLimitScope(CGF); | |||
7118 | const auto *ThreadLimitClause = D.getSingleClause<OMPThreadLimitClause>(); | |||
7119 | llvm::Value *ThreadLimit = CGF.EmitScalarExpr( | |||
7120 | ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true); | |||
7121 | ThreadLimitVal = | |||
7122 | Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false); | |||
7123 | } | |||
7124 | if (D.hasClausesOfKind<OMPNumThreadsClause>()) { | |||
7125 | CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF); | |||
7126 | const auto *NumThreadsClause = D.getSingleClause<OMPNumThreadsClause>(); | |||
7127 | llvm::Value *NumThreads = CGF.EmitScalarExpr( | |||
7128 | NumThreadsClause->getNumThreads(), /*IgnoreResultAssign=*/true); | |||
7129 | NumThreadsVal = | |||
7130 | Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned=*/false); | |||
7131 | ThreadLimitVal = ThreadLimitVal | |||
7132 | ? Bld.CreateSelect(Bld.CreateICmpULT(NumThreadsVal, | |||
7133 | ThreadLimitVal), | |||
7134 | NumThreadsVal, ThreadLimitVal) | |||
7135 | : NumThreadsVal; | |||
7136 | } | |||
7137 | if (!ThreadLimitVal) | |||
7138 | ThreadLimitVal = Bld.getInt32(0); | |||
7139 | if (CondVal) | |||
7140 | return Bld.CreateSelect(CondVal, ThreadLimitVal, Bld.getInt32(1)); | |||
7141 | return ThreadLimitVal; | |||
7142 | } | |||
7143 | case OMPD_target_teams_distribute_simd: | |||
7144 | case OMPD_target_simd: | |||
7145 | return Bld.getInt32(1); | |||
7146 | case OMPD_parallel: | |||
7147 | case OMPD_for: | |||
7148 | case OMPD_parallel_for: | |||
7149 | case OMPD_parallel_master: | |||
7150 | case OMPD_parallel_sections: | |||
7151 | case OMPD_for_simd: | |||
7152 | case OMPD_parallel_for_simd: | |||
7153 | case OMPD_cancel: | |||
7154 | case OMPD_cancellation_point: | |||
7155 | case OMPD_ordered: | |||
7156 | case OMPD_threadprivate: | |||
7157 | case OMPD_allocate: | |||
7158 | case OMPD_task: | |||
7159 | case OMPD_simd: | |||
7160 | case OMPD_sections: | |||
7161 | case OMPD_section: | |||
7162 | case OMPD_single: | |||
7163 | case OMPD_master: | |||
7164 | case OMPD_critical: | |||
7165 | case OMPD_taskyield: | |||
7166 | case OMPD_barrier: | |||
7167 | case OMPD_taskwait: | |||
7168 | case OMPD_taskgroup: | |||
7169 | case OMPD_atomic: | |||
7170 | case OMPD_flush: | |||
7171 | case OMPD_depobj: | |||
7172 | case OMPD_teams: | |||
7173 | case OMPD_target_data: | |||
7174 | case OMPD_target_exit_data: | |||
7175 | case OMPD_target_enter_data: | |||
7176 | case OMPD_distribute: | |||
7177 | case OMPD_distribute_simd: | |||
7178 | case OMPD_distribute_parallel_for: | |||
7179 | case OMPD_distribute_parallel_for_simd: | |||
7180 | case OMPD_teams_distribute: | |||
7181 | case OMPD_teams_distribute_simd: | |||
7182 | case OMPD_teams_distribute_parallel_for: | |||
7183 | case OMPD_teams_distribute_parallel_for_simd: | |||
7184 | case OMPD_target_update: | |||
7185 | case OMPD_declare_simd: | |||
7186 | case OMPD_declare_variant: | |||
7187 | case OMPD_declare_target: | |||
7188 | case OMPD_end_declare_target: | |||
7189 | case OMPD_declare_reduction: | |||
7190 | case OMPD_declare_mapper: | |||
7191 | case OMPD_taskloop: | |||
7192 | case OMPD_taskloop_simd: | |||
7193 | case OMPD_master_taskloop: | |||
7194 | case OMPD_master_taskloop_simd: | |||
7195 | case OMPD_parallel_master_taskloop: | |||
7196 | case OMPD_parallel_master_taskloop_simd: | |||
7197 | case OMPD_requires: | |||
7198 | case OMPD_unknown: | |||
7199 | break; | |||
7200 | } | |||
7201 | llvm_unreachable("Unsupported directive kind.")::llvm::llvm_unreachable_internal("Unsupported directive kind." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7201); | |||
7202 | } | |||
7203 | ||||
7204 | namespace { | |||
7205 | 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^=; | |||
7206 | ||||
7207 | // Utility to handle information from clauses associated with a given | |||
7208 | // construct that use mappable expressions (e.g. 'map' clause, 'to' clause). | |||
7209 | // It provides a convenient interface to obtain the information and generate | |||
7210 | // code for that information. | |||
7211 | class MappableExprsHandler { | |||
7212 | public: | |||
7213 | /// Values for bit flags used to specify the mapping type for | |||
7214 | /// offloading. | |||
7215 | enum OpenMPOffloadMappingFlags : uint64_t { | |||
7216 | /// No flags | |||
7217 | OMP_MAP_NONE = 0x0, | |||
7218 | /// Allocate memory on the device and move data from host to device. | |||
7219 | OMP_MAP_TO = 0x01, | |||
7220 | /// Allocate memory on the device and move data from device to host. | |||
7221 | OMP_MAP_FROM = 0x02, | |||
7222 | /// Always perform the requested mapping action on the element, even | |||
7223 | /// if it was already mapped before. | |||
7224 | OMP_MAP_ALWAYS = 0x04, | |||
7225 | /// Delete the element from the device environment, ignoring the | |||
7226 | /// current reference count associated with the element. | |||
7227 | OMP_MAP_DELETE = 0x08, | |||
7228 | /// The element being mapped is a pointer-pointee pair; both the | |||
7229 | /// pointer and the pointee should be mapped. | |||
7230 | OMP_MAP_PTR_AND_OBJ = 0x10, | |||
7231 | /// This flags signals that the base address of an entry should be | |||
7232 | /// passed to the target kernel as an argument. | |||
7233 | OMP_MAP_TARGET_PARAM = 0x20, | |||
7234 | /// Signal that the runtime library has to return the device pointer | |||
7235 | /// in the current position for the data being mapped. Used when we have the | |||
7236 | /// use_device_ptr clause. | |||
7237 | OMP_MAP_RETURN_PARAM = 0x40, | |||
7238 | /// This flag signals that the reference being passed is a pointer to | |||
7239 | /// private data. | |||
7240 | OMP_MAP_PRIVATE = 0x80, | |||
7241 | /// Pass the element to the device by value. | |||
7242 | OMP_MAP_LITERAL = 0x100, | |||
7243 | /// Implicit map | |||
7244 | OMP_MAP_IMPLICIT = 0x200, | |||
7245 | /// Close is a hint to the runtime to allocate memory close to | |||
7246 | /// the target device. | |||
7247 | OMP_MAP_CLOSE = 0x400, | |||
7248 | /// The 16 MSBs of the flags indicate whether the entry is member of some | |||
7249 | /// struct/class. | |||
7250 | OMP_MAP_MEMBER_OF = 0xffff000000000000, | |||
7251 | LLVM_MARK_AS_BITMASK_ENUM(/* LargestFlag = */ OMP_MAP_MEMBER_OF)LLVM_BITMASK_LARGEST_ENUMERATOR = OMP_MAP_MEMBER_OF, | |||
7252 | }; | |||
7253 | ||||
7254 | /// Get the offset of the OMP_MAP_MEMBER_OF field. | |||
7255 | static unsigned getFlagMemberOffset() { | |||
7256 | unsigned Offset = 0; | |||
7257 | for (uint64_t Remain = OMP_MAP_MEMBER_OF; !(Remain & 1); | |||
7258 | Remain = Remain >> 1) | |||
7259 | Offset++; | |||
7260 | return Offset; | |||
7261 | } | |||
7262 | ||||
7263 | /// Class that associates information with a base pointer to be passed to the | |||
7264 | /// runtime library. | |||
7265 | class BasePointerInfo { | |||
7266 | /// The base pointer. | |||
7267 | llvm::Value *Ptr = nullptr; | |||
7268 | /// The base declaration that refers to this device pointer, or null if | |||
7269 | /// there is none. | |||
7270 | const ValueDecl *DevPtrDecl = nullptr; | |||
7271 | ||||
7272 | public: | |||
7273 | BasePointerInfo(llvm::Value *Ptr, const ValueDecl *DevPtrDecl = nullptr) | |||
7274 | : Ptr(Ptr), DevPtrDecl(DevPtrDecl) {} | |||
7275 | llvm::Value *operator*() const { return Ptr; } | |||
7276 | const ValueDecl *getDevicePtrDecl() const { return DevPtrDecl; } | |||
7277 | void setDevicePtrDecl(const ValueDecl *D) { DevPtrDecl = D; } | |||
7278 | }; | |||
7279 | ||||
7280 | using MapBaseValuesArrayTy = SmallVector<BasePointerInfo, 4>; | |||
7281 | using MapValuesArrayTy = SmallVector<llvm::Value *, 4>; | |||
7282 | using MapFlagsArrayTy = SmallVector<OpenMPOffloadMappingFlags, 4>; | |||
7283 | ||||
7284 | /// Map between a struct and the its lowest & highest elements which have been | |||
7285 | /// mapped. | |||
7286 | /// [ValueDecl *] --> {LE(FieldIndex, Pointer), | |||
7287 | /// HE(FieldIndex, Pointer)} | |||
7288 | struct StructRangeInfoTy { | |||
7289 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> LowestElem = { | |||
7290 | 0, Address::invalid()}; | |||
7291 | std::pair<unsigned /*FieldIndex*/, Address /*Pointer*/> HighestElem = { | |||
7292 | 0, Address::invalid()}; | |||
7293 | Address Base = Address::invalid(); | |||
7294 | }; | |||
7295 | ||||
7296 | private: | |||
7297 | /// Kind that defines how a device pointer has to be returned. | |||
7298 | struct MapInfo { | |||
7299 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
7300 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown; | |||
7301 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
7302 | bool ReturnDevicePointer = false; | |||
7303 | bool IsImplicit = false; | |||
7304 | ||||
7305 | MapInfo() = default; | |||
7306 | MapInfo( | |||
7307 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
7308 | OpenMPMapClauseKind MapType, | |||
7309 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7310 | bool ReturnDevicePointer, bool IsImplicit) | |||
7311 | : Components(Components), MapType(MapType), MapModifiers(MapModifiers), | |||
7312 | ReturnDevicePointer(ReturnDevicePointer), IsImplicit(IsImplicit) {} | |||
7313 | }; | |||
7314 | ||||
7315 | /// If use_device_ptr is used on a pointer which is a struct member and there | |||
7316 | /// is no map information about it, then emission of that entry is deferred | |||
7317 | /// until the whole struct has been processed. | |||
7318 | struct DeferredDevicePtrEntryTy { | |||
7319 | const Expr *IE = nullptr; | |||
7320 | const ValueDecl *VD = nullptr; | |||
7321 | ||||
7322 | DeferredDevicePtrEntryTy(const Expr *IE, const ValueDecl *VD) | |||
7323 | : IE(IE), VD(VD) {} | |||
7324 | }; | |||
7325 | ||||
7326 | /// The target directive from where the mappable clauses were extracted. It | |||
7327 | /// is either a executable directive or a user-defined mapper directive. | |||
7328 | llvm::PointerUnion<const OMPExecutableDirective *, | |||
7329 | const OMPDeclareMapperDecl *> | |||
7330 | CurDir; | |||
7331 | ||||
7332 | /// Function the directive is being generated for. | |||
7333 | CodeGenFunction &CGF; | |||
7334 | ||||
7335 | /// Set of all first private variables in the current directive. | |||
7336 | /// bool data is set to true if the variable is implicitly marked as | |||
7337 | /// firstprivate, false otherwise. | |||
7338 | llvm::DenseMap<CanonicalDeclPtr<const VarDecl>, bool> FirstPrivateDecls; | |||
7339 | ||||
7340 | /// Map between device pointer declarations and their expression components. | |||
7341 | /// The key value for declarations in 'this' is null. | |||
7342 | llvm::DenseMap< | |||
7343 | const ValueDecl *, | |||
7344 | SmallVector<OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>> | |||
7345 | DevPointersMap; | |||
7346 | ||||
7347 | llvm::Value *getExprTypeSize(const Expr *E) const { | |||
7348 | QualType ExprTy = E->getType().getCanonicalType(); | |||
7349 | ||||
7350 | // Reference types are ignored for mapping purposes. | |||
7351 | if (const auto *RefTy = ExprTy->getAs<ReferenceType>()) | |||
7352 | ExprTy = RefTy->getPointeeType().getCanonicalType(); | |||
7353 | ||||
7354 | // Given that an array section is considered a built-in type, we need to | |||
7355 | // do the calculation based on the length of the section instead of relying | |||
7356 | // on CGF.getTypeSize(E->getType()). | |||
7357 | if (const auto *OAE = dyn_cast<OMPArraySectionExpr>(E)) { | |||
7358 | QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType( | |||
7359 | OAE->getBase()->IgnoreParenImpCasts()) | |||
7360 | .getCanonicalType(); | |||
7361 | ||||
7362 | // If there is no length associated with the expression and lower bound is | |||
7363 | // not specified too, that means we are using the whole length of the | |||
7364 | // base. | |||
7365 | if (!OAE->getLength() && OAE->getColonLoc().isValid() && | |||
7366 | !OAE->getLowerBound()) | |||
7367 | return CGF.getTypeSize(BaseTy); | |||
7368 | ||||
7369 | llvm::Value *ElemSize; | |||
7370 | if (const auto *PTy = BaseTy->getAs<PointerType>()) { | |||
7371 | ElemSize = CGF.getTypeSize(PTy->getPointeeType().getCanonicalType()); | |||
7372 | } else { | |||
7373 | const auto *ATy = cast<ArrayType>(BaseTy.getTypePtr()); | |||
7374 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7374, __PRETTY_FUNCTION__)); | |||
7375 | ElemSize = CGF.getTypeSize(ATy->getElementType().getCanonicalType()); | |||
7376 | } | |||
7377 | ||||
7378 | // If we don't have a length at this point, that is because we have an | |||
7379 | // array section with a single element. | |||
7380 | if (!OAE->getLength() && OAE->getColonLoc().isInvalid()) | |||
7381 | return ElemSize; | |||
7382 | ||||
7383 | if (const Expr *LenExpr = OAE->getLength()) { | |||
7384 | llvm::Value *LengthVal = CGF.EmitScalarExpr(LenExpr); | |||
7385 | LengthVal = CGF.EmitScalarConversion(LengthVal, LenExpr->getType(), | |||
7386 | CGF.getContext().getSizeType(), | |||
7387 | LenExpr->getExprLoc()); | |||
7388 | return CGF.Builder.CreateNUWMul(LengthVal, ElemSize); | |||
7389 | } | |||
7390 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7391, __PRETTY_FUNCTION__)) | |||
7391 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7391, __PRETTY_FUNCTION__)); | |||
7392 | // Size = sizetype - lb * elemtype; | |||
7393 | llvm::Value *LengthVal = CGF.getTypeSize(BaseTy); | |||
7394 | llvm::Value *LBVal = CGF.EmitScalarExpr(OAE->getLowerBound()); | |||
7395 | LBVal = CGF.EmitScalarConversion(LBVal, OAE->getLowerBound()->getType(), | |||
7396 | CGF.getContext().getSizeType(), | |||
7397 | OAE->getLowerBound()->getExprLoc()); | |||
7398 | LBVal = CGF.Builder.CreateNUWMul(LBVal, ElemSize); | |||
7399 | llvm::Value *Cmp = CGF.Builder.CreateICmpUGT(LengthVal, LBVal); | |||
7400 | llvm::Value *TrueVal = CGF.Builder.CreateNUWSub(LengthVal, LBVal); | |||
7401 | LengthVal = CGF.Builder.CreateSelect( | |||
7402 | Cmp, TrueVal, llvm::ConstantInt::get(CGF.SizeTy, 0)); | |||
7403 | return LengthVal; | |||
7404 | } | |||
7405 | return CGF.getTypeSize(ExprTy); | |||
7406 | } | |||
7407 | ||||
7408 | /// Return the corresponding bits for a given map clause modifier. Add | |||
7409 | /// a flag marking the map as a pointer if requested. Add a flag marking the | |||
7410 | /// map as the first one of a series of maps that relate to the same map | |||
7411 | /// expression. | |||
7412 | OpenMPOffloadMappingFlags getMapTypeBits( | |||
7413 | OpenMPMapClauseKind MapType, ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7414 | bool IsImplicit, bool AddPtrFlag, bool AddIsTargetParamFlag) const { | |||
7415 | OpenMPOffloadMappingFlags Bits = | |||
7416 | IsImplicit ? OMP_MAP_IMPLICIT : OMP_MAP_NONE; | |||
7417 | switch (MapType) { | |||
7418 | case OMPC_MAP_alloc: | |||
7419 | case OMPC_MAP_release: | |||
7420 | // alloc and release is the default behavior in the runtime library, i.e. | |||
7421 | // if we don't pass any bits alloc/release that is what the runtime is | |||
7422 | // going to do. Therefore, we don't need to signal anything for these two | |||
7423 | // type modifiers. | |||
7424 | break; | |||
7425 | case OMPC_MAP_to: | |||
7426 | Bits |= OMP_MAP_TO; | |||
7427 | break; | |||
7428 | case OMPC_MAP_from: | |||
7429 | Bits |= OMP_MAP_FROM; | |||
7430 | break; | |||
7431 | case OMPC_MAP_tofrom: | |||
7432 | Bits |= OMP_MAP_TO | OMP_MAP_FROM; | |||
7433 | break; | |||
7434 | case OMPC_MAP_delete: | |||
7435 | Bits |= OMP_MAP_DELETE; | |||
7436 | break; | |||
7437 | case OMPC_MAP_unknown: | |||
7438 | llvm_unreachable("Unexpected map type!")::llvm::llvm_unreachable_internal("Unexpected map type!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7438); | |||
7439 | } | |||
7440 | if (AddPtrFlag) | |||
7441 | Bits |= OMP_MAP_PTR_AND_OBJ; | |||
7442 | if (AddIsTargetParamFlag) | |||
7443 | Bits |= OMP_MAP_TARGET_PARAM; | |||
7444 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_always) | |||
7445 | != MapModifiers.end()) | |||
7446 | Bits |= OMP_MAP_ALWAYS; | |||
7447 | if (llvm::find(MapModifiers, OMPC_MAP_MODIFIER_close) | |||
7448 | != MapModifiers.end()) | |||
7449 | Bits |= OMP_MAP_CLOSE; | |||
7450 | return Bits; | |||
7451 | } | |||
7452 | ||||
7453 | /// Return true if the provided expression is a final array section. A | |||
7454 | /// final array section, is one whose length can't be proved to be one. | |||
7455 | bool isFinalArraySectionExpression(const Expr *E) const { | |||
7456 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
7457 | ||||
7458 | // It is not an array section and therefore not a unity-size one. | |||
7459 | if (!OASE) | |||
7460 | return false; | |||
7461 | ||||
7462 | // An array section with no colon always refer to a single element. | |||
7463 | if (OASE->getColonLoc().isInvalid()) | |||
7464 | return false; | |||
7465 | ||||
7466 | const Expr *Length = OASE->getLength(); | |||
7467 | ||||
7468 | // If we don't have a length we have to check if the array has size 1 | |||
7469 | // for this dimension. Also, we should always expect a length if the | |||
7470 | // base type is pointer. | |||
7471 | if (!Length) { | |||
7472 | QualType BaseQTy = OMPArraySectionExpr::getBaseOriginalType( | |||
7473 | OASE->getBase()->IgnoreParenImpCasts()) | |||
7474 | .getCanonicalType(); | |||
7475 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
7476 | return ATy->getSize().getSExtValue() != 1; | |||
7477 | // If we don't have a constant dimension length, we have to consider | |||
7478 | // the current section as having any size, so it is not necessarily | |||
7479 | // unitary. If it happen to be unity size, that's user fault. | |||
7480 | return true; | |||
7481 | } | |||
7482 | ||||
7483 | // Check if the length evaluates to 1. | |||
7484 | Expr::EvalResult Result; | |||
7485 | if (!Length->EvaluateAsInt(Result, CGF.getContext())) | |||
7486 | return true; // Can have more that size 1. | |||
7487 | ||||
7488 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
7489 | return ConstLength.getSExtValue() != 1; | |||
7490 | } | |||
7491 | ||||
7492 | /// Generate the base pointers, section pointers, sizes and map type | |||
7493 | /// bits for the provided map type, map modifier, and expression components. | |||
7494 | /// \a IsFirstComponent should be set to true if the provided set of | |||
7495 | /// components is the first associated with a capture. | |||
7496 | void generateInfoForComponentList( | |||
7497 | OpenMPMapClauseKind MapType, | |||
7498 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
7499 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
7500 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | |||
7501 | MapValuesArrayTy &Sizes, MapFlagsArrayTy &Types, | |||
7502 | StructRangeInfoTy &PartialStruct, bool IsFirstComponentList, | |||
7503 | bool IsImplicit, | |||
7504 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | |||
7505 | OverlappedElements = llvm::None) const { | |||
7506 | // The following summarizes what has to be generated for each map and the | |||
7507 | // types below. The generated information is expressed in this order: | |||
7508 | // base pointer, section pointer, size, flags | |||
7509 | // (to add to the ones that come from the map type and modifier). | |||
7510 | // | |||
7511 | // double d; | |||
7512 | // int i[100]; | |||
7513 | // float *p; | |||
7514 | // | |||
7515 | // struct S1 { | |||
7516 | // int i; | |||
7517 | // float f[50]; | |||
7518 | // } | |||
7519 | // struct S2 { | |||
7520 | // int i; | |||
7521 | // float f[50]; | |||
7522 | // S1 s; | |||
7523 | // double *p; | |||
7524 | // struct S2 *ps; | |||
7525 | // } | |||
7526 | // S2 s; | |||
7527 | // S2 *ps; | |||
7528 | // | |||
7529 | // map(d) | |||
7530 | // &d, &d, sizeof(double), TARGET_PARAM | TO | FROM | |||
7531 | // | |||
7532 | // map(i) | |||
7533 | // &i, &i, 100*sizeof(int), TARGET_PARAM | TO | FROM | |||
7534 | // | |||
7535 | // map(i[1:23]) | |||
7536 | // &i(=&i[0]), &i[1], 23*sizeof(int), TARGET_PARAM | TO | FROM | |||
7537 | // | |||
7538 | // map(p) | |||
7539 | // &p, &p, sizeof(float*), TARGET_PARAM | TO | FROM | |||
7540 | // | |||
7541 | // map(p[1:24]) | |||
7542 | // p, &p[1], 24*sizeof(float), TARGET_PARAM | TO | FROM | |||
7543 | // | |||
7544 | // map(s) | |||
7545 | // &s, &s, sizeof(S2), TARGET_PARAM | TO | FROM | |||
7546 | // | |||
7547 | // map(s.i) | |||
7548 | // &s, &(s.i), sizeof(int), TARGET_PARAM | TO | FROM | |||
7549 | // | |||
7550 | // map(s.s.f) | |||
7551 | // &s, &(s.s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | |||
7552 | // | |||
7553 | // map(s.p) | |||
7554 | // &s, &(s.p), sizeof(double*), TARGET_PARAM | TO | FROM | |||
7555 | // | |||
7556 | // map(to: s.p[:22]) | |||
7557 | // &s, &(s.p), sizeof(double*), TARGET_PARAM (*) | |||
7558 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) (**) | |||
7559 | // &(s.p), &(s.p[0]), 22*sizeof(double), | |||
7560 | // MEMBER_OF(1) | PTR_AND_OBJ | TO (***) | |||
7561 | // (*) alloc space for struct members, only this is a target parameter | |||
7562 | // (**) map the pointer (nothing to be mapped in this example) (the compiler | |||
7563 | // optimizes this entry out, same in the examples below) | |||
7564 | // (***) map the pointee (map: to) | |||
7565 | // | |||
7566 | // map(s.ps) | |||
7567 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7568 | // | |||
7569 | // map(from: s.ps->s.i) | |||
7570 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7571 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7572 | // &(s.ps), &(s.ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7573 | // | |||
7574 | // map(to: s.ps->ps) | |||
7575 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7576 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7577 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | TO | |||
7578 | // | |||
7579 | // map(s.ps->ps->ps) | |||
7580 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7581 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7582 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7583 | // &(s.ps->ps), &(s.ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | |||
7584 | // | |||
7585 | // map(to: s.ps->ps->s.f[:22]) | |||
7586 | // &s, &(s.ps), sizeof(S2*), TARGET_PARAM | |||
7587 | // &s, &(s.ps), sizeof(S2*), MEMBER_OF(1) | |||
7588 | // &(s.ps), &(s.ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7589 | // &(s.ps->ps), &(s.ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | |||
7590 | // | |||
7591 | // map(ps) | |||
7592 | // &ps, &ps, sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7593 | // | |||
7594 | // map(ps->i) | |||
7595 | // ps, &(ps->i), sizeof(int), TARGET_PARAM | TO | FROM | |||
7596 | // | |||
7597 | // map(ps->s.f) | |||
7598 | // ps, &(ps->s.f[0]), 50*sizeof(float), TARGET_PARAM | TO | FROM | |||
7599 | // | |||
7600 | // map(from: ps->p) | |||
7601 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | FROM | |||
7602 | // | |||
7603 | // map(to: ps->p[:22]) | |||
7604 | // ps, &(ps->p), sizeof(double*), TARGET_PARAM | |||
7605 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(1) | |||
7606 | // &(ps->p), &(ps->p[0]), 22*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | TO | |||
7607 | // | |||
7608 | // map(ps->ps) | |||
7609 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | TO | FROM | |||
7610 | // | |||
7611 | // map(from: ps->ps->s.i) | |||
7612 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7613 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7614 | // &(ps->ps), &(ps->ps->s.i), sizeof(int), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7615 | // | |||
7616 | // map(from: ps->ps->ps) | |||
7617 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7618 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7619 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7620 | // | |||
7621 | // map(ps->ps->ps->ps) | |||
7622 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7623 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7624 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7625 | // &(ps->ps->ps), &(ps->ps->ps->ps), sizeof(S2*), PTR_AND_OBJ | TO | FROM | |||
7626 | // | |||
7627 | // map(to: ps->ps->ps->s.f[:22]) | |||
7628 | // ps, &(ps->ps), sizeof(S2*), TARGET_PARAM | |||
7629 | // ps, &(ps->ps), sizeof(S2*), MEMBER_OF(1) | |||
7630 | // &(ps->ps), &(ps->ps->ps), sizeof(S2*), MEMBER_OF(1) | PTR_AND_OBJ | |||
7631 | // &(ps->ps->ps), &(ps->ps->ps->s.f[0]), 22*sizeof(float), PTR_AND_OBJ | TO | |||
7632 | // | |||
7633 | // map(to: s.f[:22]) map(from: s.p[:33]) | |||
7634 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1) + | |||
7635 | // sizeof(double*) (**), TARGET_PARAM | |||
7636 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | TO | |||
7637 | // &s, &(s.p), sizeof(double*), MEMBER_OF(1) | |||
7638 | // &(s.p), &(s.p[0]), 33*sizeof(double), MEMBER_OF(1) | PTR_AND_OBJ | FROM | |||
7639 | // (*) allocate contiguous space needed to fit all mapped members even if | |||
7640 | // we allocate space for members not mapped (in this example, | |||
7641 | // s.f[22..49] and s.s are not mapped, yet we must allocate space for | |||
7642 | // them as well because they fall between &s.f[0] and &s.p) | |||
7643 | // | |||
7644 | // map(from: s.f[:22]) map(to: ps->p[:33]) | |||
7645 | // &s, &(s.f[0]), 22*sizeof(float), TARGET_PARAM | FROM | |||
7646 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | |||
7647 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(2) (*) | |||
7648 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(2) | PTR_AND_OBJ | TO | |||
7649 | // (*) the struct this entry pertains to is the 2nd element in the list of | |||
7650 | // arguments, hence MEMBER_OF(2) | |||
7651 | // | |||
7652 | // map(from: s.f[:22], s.s) map(to: ps->p[:33]) | |||
7653 | // &s, &(s.f[0]), 50*sizeof(float) + sizeof(struct S1), TARGET_PARAM | |||
7654 | // &s, &(s.f[0]), 22*sizeof(float), MEMBER_OF(1) | FROM | |||
7655 | // &s, &(s.s), sizeof(struct S1), MEMBER_OF(1) | FROM | |||
7656 | // ps, &(ps->p), sizeof(S2*), TARGET_PARAM | |||
7657 | // ps, &(ps->p), sizeof(double*), MEMBER_OF(4) (*) | |||
7658 | // &(ps->p), &(ps->p[0]), 33*sizeof(double), MEMBER_OF(4) | PTR_AND_OBJ | TO | |||
7659 | // (*) the struct this entry pertains to is the 4th element in the list | |||
7660 | // of arguments, hence MEMBER_OF(4) | |||
7661 | ||||
7662 | // Track if the map information being generated is the first for a capture. | |||
7663 | bool IsCaptureFirstInfo = IsFirstComponentList; | |||
7664 | // When the variable is on a declare target link or in a to clause with | |||
7665 | // unified memory, a reference is needed to hold the host/device address | |||
7666 | // of the variable. | |||
7667 | bool RequiresReference = false; | |||
7668 | ||||
7669 | // Scan the components from the base to the complete expression. | |||
7670 | auto CI = Components.rbegin(); | |||
7671 | auto CE = Components.rend(); | |||
7672 | auto I = CI; | |||
7673 | ||||
7674 | // Track if the map information being generated is the first for a list of | |||
7675 | // components. | |||
7676 | bool IsExpressionFirstInfo = true; | |||
7677 | Address BP = Address::invalid(); | |||
7678 | const Expr *AssocExpr = I->getAssociatedExpression(); | |||
7679 | const auto *AE = dyn_cast<ArraySubscriptExpr>(AssocExpr); | |||
7680 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(AssocExpr); | |||
7681 | ||||
7682 | if (isa<MemberExpr>(AssocExpr)) { | |||
7683 | // The base is the 'this' pointer. The content of the pointer is going | |||
7684 | // to be the base of the field being mapped. | |||
7685 | BP = CGF.LoadCXXThisAddress(); | |||
7686 | } else if ((AE && isa<CXXThisExpr>(AE->getBase()->IgnoreParenImpCasts())) || | |||
7687 | (OASE && | |||
7688 | isa<CXXThisExpr>(OASE->getBase()->IgnoreParenImpCasts()))) { | |||
7689 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | |||
7690 | } else { | |||
7691 | // The base is the reference to the variable. | |||
7692 | // BP = &Var. | |||
7693 | BP = CGF.EmitOMPSharedLValue(AssocExpr).getAddress(CGF); | |||
7694 | if (const auto *VD = | |||
7695 | dyn_cast_or_null<VarDecl>(I->getAssociatedDeclaration())) { | |||
7696 | if (llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
7697 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | |||
7698 | if ((*Res == OMPDeclareTargetDeclAttr::MT_Link) || | |||
7699 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
7700 | CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory())) { | |||
7701 | RequiresReference = true; | |||
7702 | BP = CGF.CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | |||
7703 | } | |||
7704 | } | |||
7705 | } | |||
7706 | ||||
7707 | // If the variable is a pointer and is being dereferenced (i.e. is not | |||
7708 | // the last component), the base has to be the pointer itself, not its | |||
7709 | // reference. References are ignored for mapping purposes. | |||
7710 | QualType Ty = | |||
7711 | I->getAssociatedDeclaration()->getType().getNonReferenceType(); | |||
7712 | if (Ty->isAnyPointerType() && std::next(I) != CE) { | |||
7713 | BP = CGF.EmitLoadOfPointer(BP, Ty->castAs<PointerType>()); | |||
7714 | ||||
7715 | // We do not need to generate individual map information for the | |||
7716 | // pointer, it can be associated with the combined storage. | |||
7717 | ++I; | |||
7718 | } | |||
7719 | } | |||
7720 | ||||
7721 | // Track whether a component of the list should be marked as MEMBER_OF some | |||
7722 | // combined entry (for partial structs). Only the first PTR_AND_OBJ entry | |||
7723 | // in a component list should be marked as MEMBER_OF, all subsequent entries | |||
7724 | // do not belong to the base struct. E.g. | |||
7725 | // struct S2 s; | |||
7726 | // s.ps->ps->ps->f[:] | |||
7727 | // (1) (2) (3) (4) | |||
7728 | // ps(1) is a member pointer, ps(2) is a pointee of ps(1), so it is a | |||
7729 | // PTR_AND_OBJ entry; the PTR is ps(1), so MEMBER_OF the base struct. ps(3) | |||
7730 | // is the pointee of ps(2) which is not member of struct s, so it should not | |||
7731 | // be marked as such (it is still PTR_AND_OBJ). | |||
7732 | // The variable is initialized to false so that PTR_AND_OBJ entries which | |||
7733 | // are not struct members are not considered (e.g. array of pointers to | |||
7734 | // data). | |||
7735 | bool ShouldBeMemberOf = false; | |||
7736 | ||||
7737 | // Variable keeping track of whether or not we have encountered a component | |||
7738 | // in the component list which is a member expression. Useful when we have a | |||
7739 | // pointer or a final array section, in which case it is the previous | |||
7740 | // component in the list which tells us whether we have a member expression. | |||
7741 | // E.g. X.f[:] | |||
7742 | // While processing the final array section "[:]" it is "f" which tells us | |||
7743 | // whether we are dealing with a member of a declared struct. | |||
7744 | const MemberExpr *EncounteredME = nullptr; | |||
7745 | ||||
7746 | for (; I != CE; ++I) { | |||
7747 | // If the current component is member of a struct (parent struct) mark it. | |||
7748 | if (!EncounteredME) { | |||
7749 | EncounteredME = dyn_cast<MemberExpr>(I->getAssociatedExpression()); | |||
7750 | // If we encounter a PTR_AND_OBJ entry from now on it should be marked | |||
7751 | // as MEMBER_OF the parent struct. | |||
7752 | if (EncounteredME) | |||
7753 | ShouldBeMemberOf = true; | |||
7754 | } | |||
7755 | ||||
7756 | auto Next = std::next(I); | |||
7757 | ||||
7758 | // We need to generate the addresses and sizes if this is the last | |||
7759 | // component, if the component is a pointer or if it is an array section | |||
7760 | // whose length can't be proved to be one. If this is a pointer, it | |||
7761 | // becomes the base address for the following components. | |||
7762 | ||||
7763 | // A final array section, is one whose length can't be proved to be one. | |||
7764 | bool IsFinalArraySection = | |||
7765 | isFinalArraySectionExpression(I->getAssociatedExpression()); | |||
7766 | ||||
7767 | // Get information on whether the element is a pointer. Have to do a | |||
7768 | // special treatment for array sections given that they are built-in | |||
7769 | // types. | |||
7770 | const auto *OASE = | |||
7771 | dyn_cast<OMPArraySectionExpr>(I->getAssociatedExpression()); | |||
7772 | const auto *UO = dyn_cast<UnaryOperator>(I->getAssociatedExpression()); | |||
7773 | const auto *BO = dyn_cast<BinaryOperator>(I->getAssociatedExpression()); | |||
7774 | bool IsPointer = | |||
7775 | (OASE && OMPArraySectionExpr::getBaseOriginalType(OASE) | |||
7776 | .getCanonicalType() | |||
7777 | ->isAnyPointerType()) || | |||
7778 | I->getAssociatedExpression()->getType()->isAnyPointerType(); | |||
7779 | bool IsNonDerefPointer = IsPointer && !UO && !BO; | |||
7780 | ||||
7781 | if (Next == CE || IsNonDerefPointer || IsFinalArraySection) { | |||
7782 | // If this is not the last component, we expect the pointer to be | |||
7783 | // associated with an array expression or member expression. | |||
7784 | assert((Next == CE ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7785 | isa<MemberExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7786 | isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7787 | isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7788 | isa<UnaryOperator>(Next->getAssociatedExpression()) ||(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7789 | isa<BinaryOperator>(Next->getAssociatedExpression())) &&(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)) | |||
7790 | "Unexpected expression")(((Next == CE || isa<MemberExpr>(Next->getAssociatedExpression ()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression ()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression ()) || isa<UnaryOperator>(Next->getAssociatedExpression ()) || isa<BinaryOperator>(Next->getAssociatedExpression ())) && "Unexpected expression") ? static_cast<void > (0) : __assert_fail ("(Next == CE || isa<MemberExpr>(Next->getAssociatedExpression()) || isa<ArraySubscriptExpr>(Next->getAssociatedExpression()) || isa<OMPArraySectionExpr>(Next->getAssociatedExpression()) || isa<UnaryOperator>(Next->getAssociatedExpression()) || isa<BinaryOperator>(Next->getAssociatedExpression())) && \"Unexpected expression\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7790, __PRETTY_FUNCTION__)); | |||
7791 | ||||
7792 | Address LB = CGF.EmitOMPSharedLValue(I->getAssociatedExpression()) | |||
7793 | .getAddress(CGF); | |||
7794 | ||||
7795 | // If this component is a pointer inside the base struct then we don't | |||
7796 | // need to create any entry for it - it will be combined with the object | |||
7797 | // it is pointing to into a single PTR_AND_OBJ entry. | |||
7798 | bool IsMemberPointer = | |||
7799 | IsPointer && EncounteredME && | |||
7800 | (dyn_cast<MemberExpr>(I->getAssociatedExpression()) == | |||
7801 | EncounteredME); | |||
7802 | if (!OverlappedElements.empty()) { | |||
7803 | // Handle base element with the info for overlapped elements. | |||
7804 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7804, __PRETTY_FUNCTION__)); | |||
7805 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7806, __PRETTY_FUNCTION__)) | |||
7806 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7806, __PRETTY_FUNCTION__)); | |||
7807 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7808, __PRETTY_FUNCTION__)) | |||
7808 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7808, __PRETTY_FUNCTION__)); | |||
7809 | // Mark the whole struct as the struct that requires allocation on the | |||
7810 | // device. | |||
7811 | PartialStruct.LowestElem = {0, LB}; | |||
7812 | CharUnits TypeSize = CGF.getContext().getTypeSizeInChars( | |||
7813 | I->getAssociatedExpression()->getType()); | |||
7814 | Address HB = CGF.Builder.CreateConstGEP( | |||
7815 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(LB, | |||
7816 | CGF.VoidPtrTy), | |||
7817 | TypeSize.getQuantity() - 1); | |||
7818 | PartialStruct.HighestElem = { | |||
7819 | std::numeric_limits<decltype( | |||
7820 | PartialStruct.HighestElem.first)>::max(), | |||
7821 | HB}; | |||
7822 | PartialStruct.Base = BP; | |||
7823 | // Emit data for non-overlapped data. | |||
7824 | OpenMPOffloadMappingFlags Flags = | |||
7825 | OMP_MAP_MEMBER_OF | | |||
7826 | getMapTypeBits(MapType, MapModifiers, IsImplicit, | |||
7827 | /*AddPtrFlag=*/false, | |||
7828 | /*AddIsTargetParamFlag=*/false); | |||
7829 | LB = BP; | |||
7830 | llvm::Value *Size = nullptr; | |||
7831 | // Do bitcopy of all non-overlapped structure elements. | |||
7832 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
7833 | Component : OverlappedElements) { | |||
7834 | Address ComponentLB = Address::invalid(); | |||
7835 | for (const OMPClauseMappableExprCommon::MappableComponent &MC : | |||
7836 | Component) { | |||
7837 | if (MC.getAssociatedDeclaration()) { | |||
7838 | ComponentLB = | |||
7839 | CGF.EmitOMPSharedLValue(MC.getAssociatedExpression()) | |||
7840 | .getAddress(CGF); | |||
7841 | Size = CGF.Builder.CreatePtrDiff( | |||
7842 | CGF.EmitCastToVoidPtr(ComponentLB.getPointer()), | |||
7843 | CGF.EmitCastToVoidPtr(LB.getPointer())); | |||
7844 | break; | |||
7845 | } | |||
7846 | } | |||
7847 | BasePointers.push_back(BP.getPointer()); | |||
7848 | Pointers.push_back(LB.getPointer()); | |||
7849 | Sizes.push_back(CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, | |||
7850 | /*isSigned=*/true)); | |||
7851 | Types.push_back(Flags); | |||
7852 | LB = CGF.Builder.CreateConstGEP(ComponentLB, 1); | |||
7853 | } | |||
7854 | BasePointers.push_back(BP.getPointer()); | |||
7855 | Pointers.push_back(LB.getPointer()); | |||
7856 | Size = CGF.Builder.CreatePtrDiff( | |||
7857 | CGF.EmitCastToVoidPtr( | |||
7858 | CGF.Builder.CreateConstGEP(HB, 1).getPointer()), | |||
7859 | CGF.EmitCastToVoidPtr(LB.getPointer())); | |||
7860 | Sizes.push_back( | |||
7861 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | |||
7862 | Types.push_back(Flags); | |||
7863 | break; | |||
7864 | } | |||
7865 | llvm::Value *Size = getExprTypeSize(I->getAssociatedExpression()); | |||
7866 | if (!IsMemberPointer) { | |||
7867 | BasePointers.push_back(BP.getPointer()); | |||
7868 | Pointers.push_back(LB.getPointer()); | |||
7869 | Sizes.push_back( | |||
7870 | CGF.Builder.CreateIntCast(Size, CGF.Int64Ty, /*isSigned=*/true)); | |||
7871 | ||||
7872 | // We need to add a pointer flag for each map that comes from the | |||
7873 | // same expression except for the first one. We also need to signal | |||
7874 | // this map is the first one that relates with the current capture | |||
7875 | // (there is a set of entries for each capture). | |||
7876 | OpenMPOffloadMappingFlags Flags = getMapTypeBits( | |||
7877 | MapType, MapModifiers, IsImplicit, | |||
7878 | !IsExpressionFirstInfo || RequiresReference, | |||
7879 | IsCaptureFirstInfo && !RequiresReference); | |||
7880 | ||||
7881 | if (!IsExpressionFirstInfo) { | |||
7882 | // If we have a PTR_AND_OBJ pair where the OBJ is a pointer as well, | |||
7883 | // then we reset the TO/FROM/ALWAYS/DELETE/CLOSE flags. | |||
7884 | if (IsPointer) | |||
7885 | Flags &= ~(OMP_MAP_TO | OMP_MAP_FROM | OMP_MAP_ALWAYS | | |||
7886 | OMP_MAP_DELETE | OMP_MAP_CLOSE); | |||
7887 | ||||
7888 | if (ShouldBeMemberOf) { | |||
7889 | // Set placeholder value MEMBER_OF=FFFF to indicate that the flag | |||
7890 | // should be later updated with the correct value of MEMBER_OF. | |||
7891 | Flags |= OMP_MAP_MEMBER_OF; | |||
7892 | // From now on, all subsequent PTR_AND_OBJ entries should not be | |||
7893 | // marked as MEMBER_OF. | |||
7894 | ShouldBeMemberOf = false; | |||
7895 | } | |||
7896 | } | |||
7897 | ||||
7898 | Types.push_back(Flags); | |||
7899 | } | |||
7900 | ||||
7901 | // If we have encountered a member expression so far, keep track of the | |||
7902 | // mapped member. If the parent is "*this", then the value declaration | |||
7903 | // is nullptr. | |||
7904 | if (EncounteredME) { | |||
7905 | const auto *FD = cast<FieldDecl>(EncounteredME->getMemberDecl()); | |||
7906 | unsigned FieldIndex = FD->getFieldIndex(); | |||
7907 | ||||
7908 | // Update info about the lowest and highest elements for this struct | |||
7909 | if (!PartialStruct.Base.isValid()) { | |||
7910 | PartialStruct.LowestElem = {FieldIndex, LB}; | |||
7911 | PartialStruct.HighestElem = {FieldIndex, LB}; | |||
7912 | PartialStruct.Base = BP; | |||
7913 | } else if (FieldIndex < PartialStruct.LowestElem.first) { | |||
7914 | PartialStruct.LowestElem = {FieldIndex, LB}; | |||
7915 | } else if (FieldIndex > PartialStruct.HighestElem.first) { | |||
7916 | PartialStruct.HighestElem = {FieldIndex, LB}; | |||
7917 | } | |||
7918 | } | |||
7919 | ||||
7920 | // If we have a final array section, we are done with this expression. | |||
7921 | if (IsFinalArraySection) | |||
7922 | break; | |||
7923 | ||||
7924 | // The pointer becomes the base for the next element. | |||
7925 | if (Next != CE) | |||
7926 | BP = LB; | |||
7927 | ||||
7928 | IsExpressionFirstInfo = false; | |||
7929 | IsCaptureFirstInfo = false; | |||
7930 | } | |||
7931 | } | |||
7932 | } | |||
7933 | ||||
7934 | /// Return the adjusted map modifiers if the declaration a capture refers to | |||
7935 | /// appears in a first-private clause. This is expected to be used only with | |||
7936 | /// directives that start with 'target'. | |||
7937 | MappableExprsHandler::OpenMPOffloadMappingFlags | |||
7938 | getMapModifiersForPrivateClauses(const CapturedStmt::Capture &Cap) const { | |||
7939 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 7939, __PRETTY_FUNCTION__)); | |||
7940 | ||||
7941 | // A first private variable captured by reference will use only the | |||
7942 | // 'private ptr' and 'map to' flag. Return the right flags if the captured | |||
7943 | // declaration is known as first-private in this handler. | |||
7944 | if (FirstPrivateDecls.count(Cap.getCapturedVar())) { | |||
7945 | if (Cap.getCapturedVar()->getType().isConstant(CGF.getContext()) && | |||
7946 | Cap.getCaptureKind() == CapturedStmt::VCK_ByRef) | |||
7947 | return MappableExprsHandler::OMP_MAP_ALWAYS | | |||
7948 | MappableExprsHandler::OMP_MAP_TO; | |||
7949 | if (Cap.getCapturedVar()->getType()->isAnyPointerType()) | |||
7950 | return MappableExprsHandler::OMP_MAP_TO | | |||
7951 | MappableExprsHandler::OMP_MAP_PTR_AND_OBJ; | |||
7952 | return MappableExprsHandler::OMP_MAP_PRIVATE | | |||
7953 | MappableExprsHandler::OMP_MAP_TO; | |||
7954 | } | |||
7955 | return MappableExprsHandler::OMP_MAP_TO | | |||
7956 | MappableExprsHandler::OMP_MAP_FROM; | |||
7957 | } | |||
7958 | ||||
7959 | static OpenMPOffloadMappingFlags getMemberOfFlag(unsigned Position) { | |||
7960 | // Rotate by getFlagMemberOffset() bits. | |||
7961 | return static_cast<OpenMPOffloadMappingFlags>(((uint64_t)Position + 1) | |||
7962 | << getFlagMemberOffset()); | |||
7963 | } | |||
7964 | ||||
7965 | static void setCorrectMemberOfFlag(OpenMPOffloadMappingFlags &Flags, | |||
7966 | OpenMPOffloadMappingFlags MemberOfFlag) { | |||
7967 | // If the entry is PTR_AND_OBJ but has not been marked with the special | |||
7968 | // placeholder value 0xFFFF in the MEMBER_OF field, then it should not be | |||
7969 | // marked as MEMBER_OF. | |||
7970 | if ((Flags & OMP_MAP_PTR_AND_OBJ) && | |||
7971 | ((Flags & OMP_MAP_MEMBER_OF) != OMP_MAP_MEMBER_OF)) | |||
7972 | return; | |||
7973 | ||||
7974 | // Reset the placeholder value to prepare the flag for the assignment of the | |||
7975 | // proper MEMBER_OF value. | |||
7976 | Flags &= ~OMP_MAP_MEMBER_OF; | |||
7977 | Flags |= MemberOfFlag; | |||
7978 | } | |||
7979 | ||||
7980 | void getPlainLayout(const CXXRecordDecl *RD, | |||
7981 | llvm::SmallVectorImpl<const FieldDecl *> &Layout, | |||
7982 | bool AsBase) const { | |||
7983 | const CGRecordLayout &RL = CGF.getTypes().getCGRecordLayout(RD); | |||
7984 | ||||
7985 | llvm::StructType *St = | |||
7986 | AsBase ? RL.getBaseSubobjectLLVMType() : RL.getLLVMType(); | |||
7987 | ||||
7988 | unsigned NumElements = St->getNumElements(); | |||
7989 | llvm::SmallVector< | |||
7990 | llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *>, 4> | |||
7991 | RecordLayout(NumElements); | |||
7992 | ||||
7993 | // Fill bases. | |||
7994 | for (const auto &I : RD->bases()) { | |||
7995 | if (I.isVirtual()) | |||
7996 | continue; | |||
7997 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | |||
7998 | // Ignore empty bases. | |||
7999 | if (Base->isEmpty() || CGF.getContext() | |||
8000 | .getASTRecordLayout(Base) | |||
8001 | .getNonVirtualSize() | |||
8002 | .isZero()) | |||
8003 | continue; | |||
8004 | ||||
8005 | unsigned FieldIndex = RL.getNonVirtualBaseLLVMFieldNo(Base); | |||
8006 | RecordLayout[FieldIndex] = Base; | |||
8007 | } | |||
8008 | // Fill in virtual bases. | |||
8009 | for (const auto &I : RD->vbases()) { | |||
8010 | const auto *Base = I.getType()->getAsCXXRecordDecl(); | |||
8011 | // Ignore empty bases. | |||
8012 | if (Base->isEmpty()) | |||
8013 | continue; | |||
8014 | unsigned FieldIndex = RL.getVirtualBaseIndex(Base); | |||
8015 | if (RecordLayout[FieldIndex]) | |||
8016 | continue; | |||
8017 | RecordLayout[FieldIndex] = Base; | |||
8018 | } | |||
8019 | // Fill in all the fields. | |||
8020 | assert(!RD->isUnion() && "Unexpected union.")((!RD->isUnion() && "Unexpected union.") ? static_cast <void> (0) : __assert_fail ("!RD->isUnion() && \"Unexpected union.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8020, __PRETTY_FUNCTION__)); | |||
8021 | for (const auto *Field : RD->fields()) { | |||
8022 | // Fill in non-bitfields. (Bitfields always use a zero pattern, which we | |||
8023 | // will fill in later.) | |||
8024 | if (!Field->isBitField() && !Field->isZeroSize(CGF.getContext())) { | |||
8025 | unsigned FieldIndex = RL.getLLVMFieldNo(Field); | |||
8026 | RecordLayout[FieldIndex] = Field; | |||
8027 | } | |||
8028 | } | |||
8029 | for (const llvm::PointerUnion<const CXXRecordDecl *, const FieldDecl *> | |||
8030 | &Data : RecordLayout) { | |||
8031 | if (Data.isNull()) | |||
8032 | continue; | |||
8033 | if (const auto *Base = Data.dyn_cast<const CXXRecordDecl *>()) | |||
8034 | getPlainLayout(Base, Layout, /*AsBase=*/true); | |||
8035 | else | |||
8036 | Layout.push_back(Data.get<const FieldDecl *>()); | |||
8037 | } | |||
8038 | } | |||
8039 | ||||
8040 | public: | |||
8041 | MappableExprsHandler(const OMPExecutableDirective &Dir, CodeGenFunction &CGF) | |||
8042 | : CurDir(&Dir), CGF(CGF) { | |||
8043 | // Extract firstprivate clause information. | |||
8044 | for (const auto *C : Dir.getClausesOfKind<OMPFirstprivateClause>()) | |||
8045 | for (const auto *D : C->varlists()) | |||
8046 | FirstPrivateDecls.try_emplace( | |||
8047 | cast<VarDecl>(cast<DeclRefExpr>(D)->getDecl()), C->isImplicit()); | |||
8048 | // Extract device pointer clause information. | |||
8049 | for (const auto *C : Dir.getClausesOfKind<OMPIsDevicePtrClause>()) | |||
8050 | for (auto L : C->component_lists()) | |||
8051 | DevPointersMap[L.first].push_back(L.second); | |||
8052 | } | |||
8053 | ||||
8054 | /// Constructor for the declare mapper directive. | |||
8055 | MappableExprsHandler(const OMPDeclareMapperDecl &Dir, CodeGenFunction &CGF) | |||
8056 | : CurDir(&Dir), CGF(CGF) {} | |||
8057 | ||||
8058 | /// Generate code for the combined entry if we have a partially mapped struct | |||
8059 | /// and take care of the mapping flags of the arguments corresponding to | |||
8060 | /// individual struct members. | |||
8061 | void emitCombinedEntry(MapBaseValuesArrayTy &BasePointers, | |||
8062 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | |||
8063 | MapFlagsArrayTy &Types, MapFlagsArrayTy &CurTypes, | |||
8064 | const StructRangeInfoTy &PartialStruct) const { | |||
8065 | // Base is the base of the struct | |||
8066 | BasePointers.push_back(PartialStruct.Base.getPointer()); | |||
8067 | // Pointer is the address of the lowest element | |||
8068 | llvm::Value *LB = PartialStruct.LowestElem.second.getPointer(); | |||
8069 | Pointers.push_back(LB); | |||
8070 | // Size is (addr of {highest+1} element) - (addr of lowest element) | |||
8071 | llvm::Value *HB = PartialStruct.HighestElem.second.getPointer(); | |||
8072 | llvm::Value *HAddr = CGF.Builder.CreateConstGEP1_32(HB, /*Idx0=*/1); | |||
8073 | llvm::Value *CLAddr = CGF.Builder.CreatePointerCast(LB, CGF.VoidPtrTy); | |||
8074 | llvm::Value *CHAddr = CGF.Builder.CreatePointerCast(HAddr, CGF.VoidPtrTy); | |||
8075 | llvm::Value *Diff = CGF.Builder.CreatePtrDiff(CHAddr, CLAddr); | |||
8076 | llvm::Value *Size = CGF.Builder.CreateIntCast(Diff, CGF.Int64Ty, | |||
8077 | /*isSigned=*/false); | |||
8078 | Sizes.push_back(Size); | |||
8079 | // Map type is always TARGET_PARAM | |||
8080 | Types.push_back(OMP_MAP_TARGET_PARAM); | |||
8081 | // Remove TARGET_PARAM flag from the first element | |||
8082 | (*CurTypes.begin()) &= ~OMP_MAP_TARGET_PARAM; | |||
8083 | ||||
8084 | // All other current entries will be MEMBER_OF the combined entry | |||
8085 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | |||
8086 | // 0xFFFF in the MEMBER_OF field). | |||
8087 | OpenMPOffloadMappingFlags MemberOfFlag = | |||
8088 | getMemberOfFlag(BasePointers.size() - 1); | |||
8089 | for (auto &M : CurTypes) | |||
8090 | setCorrectMemberOfFlag(M, MemberOfFlag); | |||
8091 | } | |||
8092 | ||||
8093 | /// Generate all the base pointers, section pointers, sizes and map | |||
8094 | /// types for the extracted mappable expressions. Also, for each item that | |||
8095 | /// relates with a device pointer, a pair of the relevant declaration and | |||
8096 | /// index where it occurs is appended to the device pointers info array. | |||
8097 | void generateAllInfo(MapBaseValuesArrayTy &BasePointers, | |||
8098 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | |||
8099 | MapFlagsArrayTy &Types) const { | |||
8100 | // We have to process the component lists that relate with the same | |||
8101 | // declaration in a single chunk so that we can generate the map flags | |||
8102 | // correctly. Therefore, we organize all lists in a map. | |||
8103 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | |||
8104 | ||||
8105 | // Helper function to fill the information map for the different supported | |||
8106 | // clauses. | |||
8107 | auto &&InfoGen = [&Info]( | |||
8108 | const ValueDecl *D, | |||
8109 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | |||
8110 | OpenMPMapClauseKind MapType, | |||
8111 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
8112 | bool ReturnDevicePointer, bool IsImplicit) { | |||
8113 | const ValueDecl *VD = | |||
8114 | D ? cast<ValueDecl>(D->getCanonicalDecl()) : nullptr; | |||
8115 | Info[VD].emplace_back(L, MapType, MapModifiers, ReturnDevicePointer, | |||
8116 | IsImplicit); | |||
8117 | }; | |||
8118 | ||||
8119 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8120, __PRETTY_FUNCTION__)) | |||
8120 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8120, __PRETTY_FUNCTION__)); | |||
8121 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | |||
8122 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) | |||
8123 | for (const auto L : C->component_lists()) { | |||
8124 | InfoGen(L.first, L.second, C->getMapType(), C->getMapTypeModifiers(), | |||
8125 | /*ReturnDevicePointer=*/false, C->isImplicit()); | |||
8126 | } | |||
8127 | for (const auto *C : CurExecDir->getClausesOfKind<OMPToClause>()) | |||
8128 | for (const auto L : C->component_lists()) { | |||
8129 | InfoGen(L.first, L.second, OMPC_MAP_to, llvm::None, | |||
8130 | /*ReturnDevicePointer=*/false, C->isImplicit()); | |||
8131 | } | |||
8132 | for (const auto *C : CurExecDir->getClausesOfKind<OMPFromClause>()) | |||
8133 | for (const auto L : C->component_lists()) { | |||
8134 | InfoGen(L.first, L.second, OMPC_MAP_from, llvm::None, | |||
8135 | /*ReturnDevicePointer=*/false, C->isImplicit()); | |||
8136 | } | |||
8137 | ||||
8138 | // Look at the use_device_ptr clause information and mark the existing map | |||
8139 | // entries as such. If there is no map information for an entry in the | |||
8140 | // use_device_ptr list, we create one with map type 'alloc' and zero size | |||
8141 | // section. It is the user fault if that was not mapped before. If there is | |||
8142 | // no map information and the pointer is a struct member, then we defer the | |||
8143 | // emission of that entry until the whole struct has been processed. | |||
8144 | llvm::MapVector<const ValueDecl *, SmallVector<DeferredDevicePtrEntryTy, 4>> | |||
8145 | DeferredInfo; | |||
8146 | ||||
8147 | for (const auto *C : | |||
8148 | CurExecDir->getClausesOfKind<OMPUseDevicePtrClause>()) { | |||
8149 | for (const auto L : C->component_lists()) { | |||
8150 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8150, __PRETTY_FUNCTION__)); | |||
8151 | const ValueDecl *VD = L.second.back().getAssociatedDeclaration(); | |||
8152 | VD = cast<ValueDecl>(VD->getCanonicalDecl()); | |||
8153 | const Expr *IE = L.second.back().getAssociatedExpression(); | |||
8154 | // If the first component is a member expression, we have to look into | |||
8155 | // 'this', which maps to null in the map of map information. Otherwise | |||
8156 | // look directly for the information. | |||
8157 | auto It = Info.find(isa<MemberExpr>(IE) ? nullptr : VD); | |||
8158 | ||||
8159 | // We potentially have map information for this declaration already. | |||
8160 | // Look for the first set of components that refer to it. | |||
8161 | if (It != Info.end()) { | |||
8162 | auto CI = std::find_if( | |||
8163 | It->second.begin(), It->second.end(), [VD](const MapInfo &MI) { | |||
8164 | return MI.Components.back().getAssociatedDeclaration() == VD; | |||
8165 | }); | |||
8166 | // If we found a map entry, signal that the pointer has to be returned | |||
8167 | // and move on to the next declaration. | |||
8168 | if (CI != It->second.end()) { | |||
8169 | CI->ReturnDevicePointer = true; | |||
8170 | continue; | |||
8171 | } | |||
8172 | } | |||
8173 | ||||
8174 | // We didn't find any match in our map information - generate a zero | |||
8175 | // size array section - if the pointer is a struct member we defer this | |||
8176 | // action until the whole struct has been processed. | |||
8177 | if (isa<MemberExpr>(IE)) { | |||
8178 | // Insert the pointer into Info to be processed by | |||
8179 | // generateInfoForComponentList. Because it is a member pointer | |||
8180 | // without a pointee, no entry will be generated for it, therefore | |||
8181 | // we need to generate one after the whole struct has been processed. | |||
8182 | // Nonetheless, generateInfoForComponentList must be called to take | |||
8183 | // the pointer into account for the calculation of the range of the | |||
8184 | // partial struct. | |||
8185 | InfoGen(nullptr, L.second, OMPC_MAP_unknown, llvm::None, | |||
8186 | /*ReturnDevicePointer=*/false, C->isImplicit()); | |||
8187 | DeferredInfo[nullptr].emplace_back(IE, VD); | |||
8188 | } else { | |||
8189 | llvm::Value *Ptr = | |||
8190 | CGF.EmitLoadOfScalar(CGF.EmitLValue(IE), IE->getExprLoc()); | |||
8191 | BasePointers.emplace_back(Ptr, VD); | |||
8192 | Pointers.push_back(Ptr); | |||
8193 | Sizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | |||
8194 | Types.push_back(OMP_MAP_RETURN_PARAM | OMP_MAP_TARGET_PARAM); | |||
8195 | } | |||
8196 | } | |||
8197 | } | |||
8198 | ||||
8199 | for (const auto &M : Info) { | |||
8200 | // We need to know when we generate information for the first component | |||
8201 | // associated with a capture, because the mapping flags depend on it. | |||
8202 | bool IsFirstComponentList = true; | |||
8203 | ||||
8204 | // Temporary versions of arrays | |||
8205 | MapBaseValuesArrayTy CurBasePointers; | |||
8206 | MapValuesArrayTy CurPointers; | |||
8207 | MapValuesArrayTy CurSizes; | |||
8208 | MapFlagsArrayTy CurTypes; | |||
8209 | StructRangeInfoTy PartialStruct; | |||
8210 | ||||
8211 | for (const MapInfo &L : M.second) { | |||
8212 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8213, __PRETTY_FUNCTION__)) | |||
8213 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8213, __PRETTY_FUNCTION__)); | |||
8214 | ||||
8215 | // Remember the current base pointer index. | |||
8216 | unsigned CurrentBasePointersIdx = CurBasePointers.size(); | |||
8217 | generateInfoForComponentList(L.MapType, L.MapModifiers, L.Components, | |||
8218 | CurBasePointers, CurPointers, CurSizes, | |||
8219 | CurTypes, PartialStruct, | |||
8220 | IsFirstComponentList, L.IsImplicit); | |||
8221 | ||||
8222 | // If this entry relates with a device pointer, set the relevant | |||
8223 | // declaration and add the 'return pointer' flag. | |||
8224 | if (L.ReturnDevicePointer) { | |||
8225 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8226, __PRETTY_FUNCTION__)) | |||
8226 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8226, __PRETTY_FUNCTION__)); | |||
8227 | ||||
8228 | const ValueDecl *RelevantVD = | |||
8229 | L.Components.back().getAssociatedDeclaration(); | |||
8230 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8231, __PRETTY_FUNCTION__)) | |||
8231 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8231, __PRETTY_FUNCTION__)); | |||
8232 | ||||
8233 | CurBasePointers[CurrentBasePointersIdx].setDevicePtrDecl(RelevantVD); | |||
8234 | CurTypes[CurrentBasePointersIdx] |= OMP_MAP_RETURN_PARAM; | |||
8235 | } | |||
8236 | IsFirstComponentList = false; | |||
8237 | } | |||
8238 | ||||
8239 | // Append any pending zero-length pointers which are struct members and | |||
8240 | // used with use_device_ptr. | |||
8241 | auto CI = DeferredInfo.find(M.first); | |||
8242 | if (CI != DeferredInfo.end()) { | |||
8243 | for (const DeferredDevicePtrEntryTy &L : CI->second) { | |||
8244 | llvm::Value *BasePtr = this->CGF.EmitLValue(L.IE).getPointer(CGF); | |||
8245 | llvm::Value *Ptr = this->CGF.EmitLoadOfScalar( | |||
8246 | this->CGF.EmitLValue(L.IE), L.IE->getExprLoc()); | |||
8247 | CurBasePointers.emplace_back(BasePtr, L.VD); | |||
8248 | CurPointers.push_back(Ptr); | |||
8249 | CurSizes.push_back(llvm::Constant::getNullValue(this->CGF.Int64Ty)); | |||
8250 | // Entry is PTR_AND_OBJ and RETURN_PARAM. Also, set the placeholder | |||
8251 | // value MEMBER_OF=FFFF so that the entry is later updated with the | |||
8252 | // correct value of MEMBER_OF. | |||
8253 | CurTypes.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_RETURN_PARAM | | |||
8254 | OMP_MAP_MEMBER_OF); | |||
8255 | } | |||
8256 | } | |||
8257 | ||||
8258 | // If there is an entry in PartialStruct it means we have a struct with | |||
8259 | // individual members mapped. Emit an extra combined entry. | |||
8260 | if (PartialStruct.Base.isValid()) | |||
8261 | emitCombinedEntry(BasePointers, Pointers, Sizes, Types, CurTypes, | |||
8262 | PartialStruct); | |||
8263 | ||||
8264 | // We need to append the results of this capture to what we already have. | |||
8265 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | |||
8266 | Pointers.append(CurPointers.begin(), CurPointers.end()); | |||
8267 | Sizes.append(CurSizes.begin(), CurSizes.end()); | |||
8268 | Types.append(CurTypes.begin(), CurTypes.end()); | |||
8269 | } | |||
8270 | } | |||
8271 | ||||
8272 | /// Generate all the base pointers, section pointers, sizes and map types for | |||
8273 | /// the extracted map clauses of user-defined mapper. | |||
8274 | void generateAllInfoForMapper(MapBaseValuesArrayTy &BasePointers, | |||
8275 | MapValuesArrayTy &Pointers, | |||
8276 | MapValuesArrayTy &Sizes, | |||
8277 | MapFlagsArrayTy &Types) const { | |||
8278 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8279, __PRETTY_FUNCTION__)) | |||
8279 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8279, __PRETTY_FUNCTION__)); | |||
8280 | const auto *CurMapperDir = CurDir.get<const OMPDeclareMapperDecl *>(); | |||
8281 | // We have to process the component lists that relate with the same | |||
8282 | // declaration in a single chunk so that we can generate the map flags | |||
8283 | // correctly. Therefore, we organize all lists in a map. | |||
8284 | llvm::MapVector<const ValueDecl *, SmallVector<MapInfo, 8>> Info; | |||
8285 | ||||
8286 | // Helper function to fill the information map for the different supported | |||
8287 | // clauses. | |||
8288 | auto &&InfoGen = [&Info]( | |||
8289 | const ValueDecl *D, | |||
8290 | OMPClauseMappableExprCommon::MappableExprComponentListRef L, | |||
8291 | OpenMPMapClauseKind MapType, | |||
8292 | ArrayRef<OpenMPMapModifierKind> MapModifiers, | |||
8293 | bool ReturnDevicePointer, bool IsImplicit) { | |||
8294 | const ValueDecl *VD = | |||
8295 | D ? cast<ValueDecl>(D->getCanonicalDecl()) : nullptr; | |||
8296 | Info[VD].emplace_back(L, MapType, MapModifiers, ReturnDevicePointer, | |||
8297 | IsImplicit); | |||
8298 | }; | |||
8299 | ||||
8300 | for (const auto *C : CurMapperDir->clauselists()) { | |||
8301 | const auto *MC = cast<OMPMapClause>(C); | |||
8302 | for (const auto L : MC->component_lists()) { | |||
8303 | InfoGen(L.first, L.second, MC->getMapType(), MC->getMapTypeModifiers(), | |||
8304 | /*ReturnDevicePointer=*/false, MC->isImplicit()); | |||
8305 | } | |||
8306 | } | |||
8307 | ||||
8308 | for (const auto &M : Info) { | |||
8309 | // We need to know when we generate information for the first component | |||
8310 | // associated with a capture, because the mapping flags depend on it. | |||
8311 | bool IsFirstComponentList = true; | |||
8312 | ||||
8313 | // Temporary versions of arrays | |||
8314 | MapBaseValuesArrayTy CurBasePointers; | |||
8315 | MapValuesArrayTy CurPointers; | |||
8316 | MapValuesArrayTy CurSizes; | |||
8317 | MapFlagsArrayTy CurTypes; | |||
8318 | StructRangeInfoTy PartialStruct; | |||
8319 | ||||
8320 | for (const MapInfo &L : M.second) { | |||
8321 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8322, __PRETTY_FUNCTION__)) | |||
8322 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8322, __PRETTY_FUNCTION__)); | |||
8323 | generateInfoForComponentList(L.MapType, L.MapModifiers, L.Components, | |||
8324 | CurBasePointers, CurPointers, CurSizes, | |||
8325 | CurTypes, PartialStruct, | |||
8326 | IsFirstComponentList, L.IsImplicit); | |||
8327 | IsFirstComponentList = false; | |||
8328 | } | |||
8329 | ||||
8330 | // If there is an entry in PartialStruct it means we have a struct with | |||
8331 | // individual members mapped. Emit an extra combined entry. | |||
8332 | if (PartialStruct.Base.isValid()) | |||
8333 | emitCombinedEntry(BasePointers, Pointers, Sizes, Types, CurTypes, | |||
8334 | PartialStruct); | |||
8335 | ||||
8336 | // We need to append the results of this capture to what we already have. | |||
8337 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | |||
8338 | Pointers.append(CurPointers.begin(), CurPointers.end()); | |||
8339 | Sizes.append(CurSizes.begin(), CurSizes.end()); | |||
8340 | Types.append(CurTypes.begin(), CurTypes.end()); | |||
8341 | } | |||
8342 | } | |||
8343 | ||||
8344 | /// Emit capture info for lambdas for variables captured by reference. | |||
8345 | void generateInfoForLambdaCaptures( | |||
8346 | const ValueDecl *VD, llvm::Value *Arg, MapBaseValuesArrayTy &BasePointers, | |||
8347 | MapValuesArrayTy &Pointers, MapValuesArrayTy &Sizes, | |||
8348 | MapFlagsArrayTy &Types, | |||
8349 | llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers) const { | |||
8350 | const auto *RD = VD->getType() | |||
8351 | .getCanonicalType() | |||
8352 | .getNonReferenceType() | |||
8353 | ->getAsCXXRecordDecl(); | |||
8354 | if (!RD || !RD->isLambda()) | |||
8355 | return; | |||
8356 | Address VDAddr = Address(Arg, CGF.getContext().getDeclAlign(VD)); | |||
8357 | LValue VDLVal = CGF.MakeAddrLValue( | |||
8358 | VDAddr, VD->getType().getCanonicalType().getNonReferenceType()); | |||
8359 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | |||
8360 | FieldDecl *ThisCapture = nullptr; | |||
8361 | RD->getCaptureFields(Captures, ThisCapture); | |||
8362 | if (ThisCapture) { | |||
8363 | LValue ThisLVal = | |||
8364 | CGF.EmitLValueForFieldInitialization(VDLVal, ThisCapture); | |||
8365 | LValue ThisLValVal = CGF.EmitLValueForField(VDLVal, ThisCapture); | |||
8366 | LambdaPointers.try_emplace(ThisLVal.getPointer(CGF), | |||
8367 | VDLVal.getPointer(CGF)); | |||
8368 | BasePointers.push_back(ThisLVal.getPointer(CGF)); | |||
8369 | Pointers.push_back(ThisLValVal.getPointer(CGF)); | |||
8370 | Sizes.push_back( | |||
8371 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | |||
8372 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8373 | Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8374 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | |||
8375 | } | |||
8376 | for (const LambdaCapture &LC : RD->captures()) { | |||
8377 | if (!LC.capturesVariable()) | |||
8378 | continue; | |||
8379 | const VarDecl *VD = LC.getCapturedVar(); | |||
8380 | if (LC.getCaptureKind() != LCK_ByRef && !VD->getType()->isPointerType()) | |||
8381 | continue; | |||
8382 | auto It = Captures.find(VD); | |||
8383 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8383, __PRETTY_FUNCTION__)); | |||
8384 | LValue VarLVal = CGF.EmitLValueForFieldInitialization(VDLVal, It->second); | |||
8385 | if (LC.getCaptureKind() == LCK_ByRef) { | |||
8386 | LValue VarLValVal = CGF.EmitLValueForField(VDLVal, It->second); | |||
8387 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | |||
8388 | VDLVal.getPointer(CGF)); | |||
8389 | BasePointers.push_back(VarLVal.getPointer(CGF)); | |||
8390 | Pointers.push_back(VarLValVal.getPointer(CGF)); | |||
8391 | Sizes.push_back(CGF.Builder.CreateIntCast( | |||
8392 | CGF.getTypeSize( | |||
8393 | VD->getType().getCanonicalType().getNonReferenceType()), | |||
8394 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8395 | } else { | |||
8396 | RValue VarRVal = CGF.EmitLoadOfLValue(VarLVal, RD->getLocation()); | |||
8397 | LambdaPointers.try_emplace(VarLVal.getPointer(CGF), | |||
8398 | VDLVal.getPointer(CGF)); | |||
8399 | BasePointers.push_back(VarLVal.getPointer(CGF)); | |||
8400 | Pointers.push_back(VarRVal.getScalarVal()); | |||
8401 | Sizes.push_back(llvm::ConstantInt::get(CGF.Int64Ty, 0)); | |||
8402 | } | |||
8403 | Types.push_back(OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8404 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT); | |||
8405 | } | |||
8406 | } | |||
8407 | ||||
8408 | /// Set correct indices for lambdas captures. | |||
8409 | void adjustMemberOfForLambdaCaptures( | |||
8410 | const llvm::DenseMap<llvm::Value *, llvm::Value *> &LambdaPointers, | |||
8411 | MapBaseValuesArrayTy &BasePointers, MapValuesArrayTy &Pointers, | |||
8412 | MapFlagsArrayTy &Types) const { | |||
8413 | for (unsigned I = 0, E = Types.size(); I < E; ++I) { | |||
8414 | // Set correct member_of idx for all implicit lambda captures. | |||
8415 | if (Types[I] != (OMP_MAP_PTR_AND_OBJ | OMP_MAP_LITERAL | | |||
8416 | OMP_MAP_MEMBER_OF | OMP_MAP_IMPLICIT)) | |||
8417 | continue; | |||
8418 | llvm::Value *BasePtr = LambdaPointers.lookup(*BasePointers[I]); | |||
8419 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8419, __PRETTY_FUNCTION__)); | |||
8420 | int TgtIdx = -1; | |||
8421 | for (unsigned J = I; J > 0; --J) { | |||
8422 | unsigned Idx = J - 1; | |||
8423 | if (Pointers[Idx] != BasePtr) | |||
8424 | continue; | |||
8425 | TgtIdx = Idx; | |||
8426 | break; | |||
8427 | } | |||
8428 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8428, __PRETTY_FUNCTION__)); | |||
8429 | // All other current entries will be MEMBER_OF the combined entry | |||
8430 | // (except for PTR_AND_OBJ entries which do not have a placeholder value | |||
8431 | // 0xFFFF in the MEMBER_OF field). | |||
8432 | OpenMPOffloadMappingFlags MemberOfFlag = getMemberOfFlag(TgtIdx); | |||
8433 | setCorrectMemberOfFlag(Types[I], MemberOfFlag); | |||
8434 | } | |||
8435 | } | |||
8436 | ||||
8437 | /// Generate the base pointers, section pointers, sizes and map types | |||
8438 | /// associated to a given capture. | |||
8439 | void generateInfoForCapture(const CapturedStmt::Capture *Cap, | |||
8440 | llvm::Value *Arg, | |||
8441 | MapBaseValuesArrayTy &BasePointers, | |||
8442 | MapValuesArrayTy &Pointers, | |||
8443 | MapValuesArrayTy &Sizes, MapFlagsArrayTy &Types, | |||
8444 | StructRangeInfoTy &PartialStruct) const { | |||
8445 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8446, __PRETTY_FUNCTION__)) | |||
8446 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8446, __PRETTY_FUNCTION__)); | |||
8447 | ||||
8448 | // We need to know when we generating information for the first component | |||
8449 | const ValueDecl *VD = Cap->capturesThis() | |||
8450 | ? nullptr | |||
8451 | : Cap->getCapturedVar()->getCanonicalDecl(); | |||
8452 | ||||
8453 | // If this declaration appears in a is_device_ptr clause we just have to | |||
8454 | // pass the pointer by value. If it is a reference to a declaration, we just | |||
8455 | // pass its value. | |||
8456 | if (DevPointersMap.count(VD)) { | |||
8457 | BasePointers.emplace_back(Arg, VD); | |||
8458 | Pointers.push_back(Arg); | |||
8459 | Sizes.push_back( | |||
8460 | CGF.Builder.CreateIntCast(CGF.getTypeSize(CGF.getContext().VoidPtrTy), | |||
8461 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8462 | Types.push_back(OMP_MAP_LITERAL | OMP_MAP_TARGET_PARAM); | |||
8463 | return; | |||
8464 | } | |||
8465 | ||||
8466 | using MapData = | |||
8467 | std::tuple<OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
8468 | OpenMPMapClauseKind, ArrayRef<OpenMPMapModifierKind>, bool>; | |||
8469 | SmallVector<MapData, 4> DeclComponentLists; | |||
8470 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8471, __PRETTY_FUNCTION__)) | |||
8471 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8471, __PRETTY_FUNCTION__)); | |||
8472 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | |||
8473 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | |||
8474 | for (const auto L : C->decl_component_lists(VD)) { | |||
8475 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8476, __PRETTY_FUNCTION__)) | |||
8476 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8476, __PRETTY_FUNCTION__)); | |||
8477 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8478, __PRETTY_FUNCTION__)) | |||
8478 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8478, __PRETTY_FUNCTION__)); | |||
8479 | DeclComponentLists.emplace_back(L.second, C->getMapType(), | |||
8480 | C->getMapTypeModifiers(), | |||
8481 | C->isImplicit()); | |||
8482 | } | |||
8483 | } | |||
8484 | ||||
8485 | // Find overlapping elements (including the offset from the base element). | |||
8486 | llvm::SmallDenseMap< | |||
8487 | const MapData *, | |||
8488 | llvm::SmallVector< | |||
8489 | OMPClauseMappableExprCommon::MappableExprComponentListRef, 4>, | |||
8490 | 4> | |||
8491 | OverlappedData; | |||
8492 | size_t Count = 0; | |||
8493 | for (const MapData &L : DeclComponentLists) { | |||
8494 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8495 | OpenMPMapClauseKind MapType; | |||
8496 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8497 | bool IsImplicit; | |||
8498 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | |||
8499 | ++Count; | |||
8500 | for (const MapData &L1 : makeArrayRef(DeclComponentLists).slice(Count)) { | |||
8501 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components1; | |||
8502 | std::tie(Components1, MapType, MapModifiers, IsImplicit) = L1; | |||
8503 | auto CI = Components.rbegin(); | |||
8504 | auto CE = Components.rend(); | |||
8505 | auto SI = Components1.rbegin(); | |||
8506 | auto SE = Components1.rend(); | |||
8507 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
8508 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
8509 | SI->getAssociatedExpression()->getStmtClass()) | |||
8510 | break; | |||
8511 | // Are we dealing with different variables/fields? | |||
8512 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | |||
8513 | break; | |||
8514 | } | |||
8515 | // Found overlapping if, at least for one component, reached the head of | |||
8516 | // the components list. | |||
8517 | if (CI == CE || SI == SE) { | |||
8518 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8519, __PRETTY_FUNCTION__)) | |||
8519 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8519, __PRETTY_FUNCTION__)); | |||
8520 | const MapData &BaseData = CI == CE ? L : L1; | |||
8521 | OMPClauseMappableExprCommon::MappableExprComponentListRef SubData = | |||
8522 | SI == SE ? Components : Components1; | |||
8523 | auto &OverlappedElements = OverlappedData.FindAndConstruct(&BaseData); | |||
8524 | OverlappedElements.getSecond().push_back(SubData); | |||
8525 | } | |||
8526 | } | |||
8527 | } | |||
8528 | // Sort the overlapped elements for each item. | |||
8529 | llvm::SmallVector<const FieldDecl *, 4> Layout; | |||
8530 | if (!OverlappedData.empty()) { | |||
8531 | if (const auto *CRD = | |||
8532 | VD->getType().getCanonicalType()->getAsCXXRecordDecl()) | |||
8533 | getPlainLayout(CRD, Layout, /*AsBase=*/false); | |||
8534 | else { | |||
8535 | const auto *RD = VD->getType().getCanonicalType()->getAsRecordDecl(); | |||
8536 | Layout.append(RD->field_begin(), RD->field_end()); | |||
8537 | } | |||
8538 | } | |||
8539 | for (auto &Pair : OverlappedData) { | |||
8540 | llvm::sort( | |||
8541 | Pair.getSecond(), | |||
8542 | [&Layout]( | |||
8543 | OMPClauseMappableExprCommon::MappableExprComponentListRef First, | |||
8544 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
8545 | Second) { | |||
8546 | auto CI = First.rbegin(); | |||
8547 | auto CE = First.rend(); | |||
8548 | auto SI = Second.rbegin(); | |||
8549 | auto SE = Second.rend(); | |||
8550 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
8551 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
8552 | SI->getAssociatedExpression()->getStmtClass()) | |||
8553 | break; | |||
8554 | // Are we dealing with different variables/fields? | |||
8555 | if (CI->getAssociatedDeclaration() != | |||
8556 | SI->getAssociatedDeclaration()) | |||
8557 | break; | |||
8558 | } | |||
8559 | ||||
8560 | // Lists contain the same elements. | |||
8561 | if (CI == CE && SI == SE) | |||
8562 | return false; | |||
8563 | ||||
8564 | // List with less elements is less than list with more elements. | |||
8565 | if (CI == CE || SI == SE) | |||
8566 | return CI == CE; | |||
8567 | ||||
8568 | const auto *FD1 = cast<FieldDecl>(CI->getAssociatedDeclaration()); | |||
8569 | const auto *FD2 = cast<FieldDecl>(SI->getAssociatedDeclaration()); | |||
8570 | if (FD1->getParent() == FD2->getParent()) | |||
8571 | return FD1->getFieldIndex() < FD2->getFieldIndex(); | |||
8572 | const auto It = | |||
8573 | llvm::find_if(Layout, [FD1, FD2](const FieldDecl *FD) { | |||
8574 | return FD == FD1 || FD == FD2; | |||
8575 | }); | |||
8576 | return *It == FD1; | |||
8577 | }); | |||
8578 | } | |||
8579 | ||||
8580 | // Associated with a capture, because the mapping flags depend on it. | |||
8581 | // Go through all of the elements with the overlapped elements. | |||
8582 | for (const auto &Pair : OverlappedData) { | |||
8583 | const MapData &L = *Pair.getFirst(); | |||
8584 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8585 | OpenMPMapClauseKind MapType; | |||
8586 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8587 | bool IsImplicit; | |||
8588 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | |||
8589 | ArrayRef<OMPClauseMappableExprCommon::MappableExprComponentListRef> | |||
8590 | OverlappedComponents = Pair.getSecond(); | |||
8591 | bool IsFirstComponentList = true; | |||
8592 | generateInfoForComponentList(MapType, MapModifiers, Components, | |||
8593 | BasePointers, Pointers, Sizes, Types, | |||
8594 | PartialStruct, IsFirstComponentList, | |||
8595 | IsImplicit, OverlappedComponents); | |||
8596 | } | |||
8597 | // Go through other elements without overlapped elements. | |||
8598 | bool IsFirstComponentList = OverlappedData.empty(); | |||
8599 | for (const MapData &L : DeclComponentLists) { | |||
8600 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components; | |||
8601 | OpenMPMapClauseKind MapType; | |||
8602 | ArrayRef<OpenMPMapModifierKind> MapModifiers; | |||
8603 | bool IsImplicit; | |||
8604 | std::tie(Components, MapType, MapModifiers, IsImplicit) = L; | |||
8605 | auto It = OverlappedData.find(&L); | |||
8606 | if (It == OverlappedData.end()) | |||
8607 | generateInfoForComponentList(MapType, MapModifiers, Components, | |||
8608 | BasePointers, Pointers, Sizes, Types, | |||
8609 | PartialStruct, IsFirstComponentList, | |||
8610 | IsImplicit); | |||
8611 | IsFirstComponentList = false; | |||
8612 | } | |||
8613 | } | |||
8614 | ||||
8615 | /// Generate the base pointers, section pointers, sizes and map types | |||
8616 | /// associated with the declare target link variables. | |||
8617 | void generateInfoForDeclareTargetLink(MapBaseValuesArrayTy &BasePointers, | |||
8618 | MapValuesArrayTy &Pointers, | |||
8619 | MapValuesArrayTy &Sizes, | |||
8620 | MapFlagsArrayTy &Types) const { | |||
8621 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8622, __PRETTY_FUNCTION__)) | |||
8622 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8622, __PRETTY_FUNCTION__)); | |||
8623 | const auto *CurExecDir = CurDir.get<const OMPExecutableDirective *>(); | |||
8624 | // Map other list items in the map clause which are not captured variables | |||
8625 | // but "declare target link" global variables. | |||
8626 | for (const auto *C : CurExecDir->getClausesOfKind<OMPMapClause>()) { | |||
8627 | for (const auto L : C->component_lists()) { | |||
8628 | if (!L.first) | |||
8629 | continue; | |||
8630 | const auto *VD = dyn_cast<VarDecl>(L.first); | |||
8631 | if (!VD) | |||
8632 | continue; | |||
8633 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
8634 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
8635 | if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() || | |||
8636 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) | |||
8637 | continue; | |||
8638 | StructRangeInfoTy PartialStruct; | |||
8639 | generateInfoForComponentList( | |||
8640 | C->getMapType(), C->getMapTypeModifiers(), L.second, BasePointers, | |||
8641 | Pointers, Sizes, Types, PartialStruct, | |||
8642 | /*IsFirstComponentList=*/true, C->isImplicit()); | |||
8643 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8644, __PRETTY_FUNCTION__)) | |||
8644 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8644, __PRETTY_FUNCTION__)); | |||
8645 | } | |||
8646 | } | |||
8647 | } | |||
8648 | ||||
8649 | /// Generate the default map information for a given capture \a CI, | |||
8650 | /// record field declaration \a RI and captured value \a CV. | |||
8651 | void generateDefaultMapInfo(const CapturedStmt::Capture &CI, | |||
8652 | const FieldDecl &RI, llvm::Value *CV, | |||
8653 | MapBaseValuesArrayTy &CurBasePointers, | |||
8654 | MapValuesArrayTy &CurPointers, | |||
8655 | MapValuesArrayTy &CurSizes, | |||
8656 | MapFlagsArrayTy &CurMapTypes) const { | |||
8657 | bool IsImplicit = true; | |||
8658 | // Do the default mapping. | |||
8659 | if (CI.capturesThis()) { | |||
8660 | CurBasePointers.push_back(CV); | |||
8661 | CurPointers.push_back(CV); | |||
8662 | const auto *PtrTy = cast<PointerType>(RI.getType().getTypePtr()); | |||
8663 | CurSizes.push_back( | |||
8664 | CGF.Builder.CreateIntCast(CGF.getTypeSize(PtrTy->getPointeeType()), | |||
8665 | CGF.Int64Ty, /*isSigned=*/true)); | |||
8666 | // Default map type. | |||
8667 | CurMapTypes.push_back(OMP_MAP_TO | OMP_MAP_FROM); | |||
8668 | } else if (CI.capturesVariableByCopy()) { | |||
8669 | CurBasePointers.push_back(CV); | |||
8670 | CurPointers.push_back(CV); | |||
8671 | if (!RI.getType()->isAnyPointerType()) { | |||
8672 | // We have to signal to the runtime captures passed by value that are | |||
8673 | // not pointers. | |||
8674 | CurMapTypes.push_back(OMP_MAP_LITERAL); | |||
8675 | CurSizes.push_back(CGF.Builder.CreateIntCast( | |||
8676 | CGF.getTypeSize(RI.getType()), CGF.Int64Ty, /*isSigned=*/true)); | |||
8677 | } else { | |||
8678 | // Pointers are implicitly mapped with a zero size and no flags | |||
8679 | // (other than first map that is added for all implicit maps). | |||
8680 | CurMapTypes.push_back(OMP_MAP_NONE); | |||
8681 | CurSizes.push_back(llvm::Constant::getNullValue(CGF.Int64Ty)); | |||
8682 | } | |||
8683 | const VarDecl *VD = CI.getCapturedVar(); | |||
8684 | auto I = FirstPrivateDecls.find(VD); | |||
8685 | if (I != FirstPrivateDecls.end()) | |||
8686 | IsImplicit = I->getSecond(); | |||
8687 | } else { | |||
8688 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8688, __PRETTY_FUNCTION__)); | |||
8689 | const auto *PtrTy = cast<ReferenceType>(RI.getType().getTypePtr()); | |||
8690 | QualType ElementType = PtrTy->getPointeeType(); | |||
8691 | CurSizes.push_back(CGF.Builder.CreateIntCast( | |||
8692 | CGF.getTypeSize(ElementType), CGF.Int64Ty, /*isSigned=*/true)); | |||
8693 | // The default map type for a scalar/complex type is 'to' because by | |||
8694 | // default the value doesn't have to be retrieved. For an aggregate | |||
8695 | // type, the default is 'tofrom'. | |||
8696 | CurMapTypes.push_back(getMapModifiersForPrivateClauses(CI)); | |||
8697 | const VarDecl *VD = CI.getCapturedVar(); | |||
8698 | auto I = FirstPrivateDecls.find(VD); | |||
8699 | if (I != FirstPrivateDecls.end() && | |||
8700 | VD->getType().isConstant(CGF.getContext())) { | |||
8701 | llvm::Constant *Addr = | |||
8702 | CGF.CGM.getOpenMPRuntime().registerTargetFirstprivateCopy(CGF, VD); | |||
8703 | // Copy the value of the original variable to the new global copy. | |||
8704 | CGF.Builder.CreateMemCpy( | |||
8705 | CGF.MakeNaturalAlignAddrLValue(Addr, ElementType).getAddress(CGF), | |||
8706 | Address(CV, CGF.getContext().getTypeAlignInChars(ElementType)), | |||
8707 | CurSizes.back(), /*IsVolatile=*/false); | |||
8708 | // Use new global variable as the base pointers. | |||
8709 | CurBasePointers.push_back(Addr); | |||
8710 | CurPointers.push_back(Addr); | |||
8711 | } else { | |||
8712 | CurBasePointers.push_back(CV); | |||
8713 | if (I != FirstPrivateDecls.end() && ElementType->isAnyPointerType()) { | |||
8714 | Address PtrAddr = CGF.EmitLoadOfReference(CGF.MakeAddrLValue( | |||
8715 | CV, ElementType, CGF.getContext().getDeclAlign(VD), | |||
8716 | AlignmentSource::Decl)); | |||
8717 | CurPointers.push_back(PtrAddr.getPointer()); | |||
8718 | } else { | |||
8719 | CurPointers.push_back(CV); | |||
8720 | } | |||
8721 | } | |||
8722 | if (I != FirstPrivateDecls.end()) | |||
8723 | IsImplicit = I->getSecond(); | |||
8724 | } | |||
8725 | // Every default map produces a single argument which is a target parameter. | |||
8726 | CurMapTypes.back() |= OMP_MAP_TARGET_PARAM; | |||
8727 | ||||
8728 | // Add flag stating this is an implicit map. | |||
8729 | if (IsImplicit) | |||
8730 | CurMapTypes.back() |= OMP_MAP_IMPLICIT; | |||
8731 | } | |||
8732 | }; | |||
8733 | } // anonymous namespace | |||
8734 | ||||
8735 | /// Emit the arrays used to pass the captures and map information to the | |||
8736 | /// offloading runtime library. If there is no map or capture information, | |||
8737 | /// return nullptr by reference. | |||
8738 | static void | |||
8739 | emitOffloadingArrays(CodeGenFunction &CGF, | |||
8740 | MappableExprsHandler::MapBaseValuesArrayTy &BasePointers, | |||
8741 | MappableExprsHandler::MapValuesArrayTy &Pointers, | |||
8742 | MappableExprsHandler::MapValuesArrayTy &Sizes, | |||
8743 | MappableExprsHandler::MapFlagsArrayTy &MapTypes, | |||
8744 | CGOpenMPRuntime::TargetDataInfo &Info) { | |||
8745 | CodeGenModule &CGM = CGF.CGM; | |||
8746 | ASTContext &Ctx = CGF.getContext(); | |||
8747 | ||||
8748 | // Reset the array information. | |||
8749 | Info.clearArrayInfo(); | |||
8750 | Info.NumberOfPtrs = BasePointers.size(); | |||
8751 | ||||
8752 | if (Info.NumberOfPtrs) { | |||
8753 | // Detect if we have any capture size requiring runtime evaluation of the | |||
8754 | // size so that a constant array could be eventually used. | |||
8755 | bool hasRuntimeEvaluationCaptureSize = false; | |||
8756 | for (llvm::Value *S : Sizes) | |||
8757 | if (!isa<llvm::Constant>(S)) { | |||
8758 | hasRuntimeEvaluationCaptureSize = true; | |||
8759 | break; | |||
8760 | } | |||
8761 | ||||
8762 | llvm::APInt PointerNumAP(32, Info.NumberOfPtrs, /*isSigned=*/true); | |||
8763 | QualType PointerArrayType = Ctx.getConstantArrayType( | |||
8764 | Ctx.VoidPtrTy, PointerNumAP, nullptr, ArrayType::Normal, | |||
8765 | /*IndexTypeQuals=*/0); | |||
8766 | ||||
8767 | Info.BasePointersArray = | |||
8768 | CGF.CreateMemTemp(PointerArrayType, ".offload_baseptrs").getPointer(); | |||
8769 | Info.PointersArray = | |||
8770 | CGF.CreateMemTemp(PointerArrayType, ".offload_ptrs").getPointer(); | |||
8771 | ||||
8772 | // If we don't have any VLA types or other types that require runtime | |||
8773 | // evaluation, we can use a constant array for the map sizes, otherwise we | |||
8774 | // need to fill up the arrays as we do for the pointers. | |||
8775 | QualType Int64Ty = | |||
8776 | Ctx.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
8777 | if (hasRuntimeEvaluationCaptureSize) { | |||
8778 | QualType SizeArrayType = Ctx.getConstantArrayType( | |||
8779 | Int64Ty, PointerNumAP, nullptr, ArrayType::Normal, | |||
8780 | /*IndexTypeQuals=*/0); | |||
8781 | Info.SizesArray = | |||
8782 | CGF.CreateMemTemp(SizeArrayType, ".offload_sizes").getPointer(); | |||
8783 | } else { | |||
8784 | // We expect all the sizes to be constant, so we collect them to create | |||
8785 | // a constant array. | |||
8786 | SmallVector<llvm::Constant *, 16> ConstSizes; | |||
8787 | for (llvm::Value *S : Sizes) | |||
8788 | ConstSizes.push_back(cast<llvm::Constant>(S)); | |||
8789 | ||||
8790 | auto *SizesArrayInit = llvm::ConstantArray::get( | |||
8791 | llvm::ArrayType::get(CGM.Int64Ty, ConstSizes.size()), ConstSizes); | |||
8792 | std::string Name = CGM.getOpenMPRuntime().getName({"offload_sizes"}); | |||
8793 | auto *SizesArrayGbl = new llvm::GlobalVariable( | |||
8794 | CGM.getModule(), SizesArrayInit->getType(), | |||
8795 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
8796 | SizesArrayInit, Name); | |||
8797 | SizesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
8798 | Info.SizesArray = SizesArrayGbl; | |||
8799 | } | |||
8800 | ||||
8801 | // The map types are always constant so we don't need to generate code to | |||
8802 | // fill arrays. Instead, we create an array constant. | |||
8803 | SmallVector<uint64_t, 4> Mapping(MapTypes.size(), 0); | |||
8804 | llvm::copy(MapTypes, Mapping.begin()); | |||
8805 | llvm::Constant *MapTypesArrayInit = | |||
8806 | llvm::ConstantDataArray::get(CGF.Builder.getContext(), Mapping); | |||
8807 | std::string MaptypesName = | |||
8808 | CGM.getOpenMPRuntime().getName({"offload_maptypes"}); | |||
8809 | auto *MapTypesArrayGbl = new llvm::GlobalVariable( | |||
8810 | CGM.getModule(), MapTypesArrayInit->getType(), | |||
8811 | /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, | |||
8812 | MapTypesArrayInit, MaptypesName); | |||
8813 | MapTypesArrayGbl->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); | |||
8814 | Info.MapTypesArray = MapTypesArrayGbl; | |||
8815 | ||||
8816 | for (unsigned I = 0; I < Info.NumberOfPtrs; ++I) { | |||
8817 | llvm::Value *BPVal = *BasePointers[I]; | |||
8818 | llvm::Value *BP = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8819 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
8820 | Info.BasePointersArray, 0, I); | |||
8821 | BP = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
8822 | BP, BPVal->getType()->getPointerTo(/*AddrSpace=*/0)); | |||
8823 | Address BPAddr(BP, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | |||
8824 | CGF.Builder.CreateStore(BPVal, BPAddr); | |||
8825 | ||||
8826 | if (Info.requiresDevicePointerInfo()) | |||
8827 | if (const ValueDecl *DevVD = BasePointers[I].getDevicePtrDecl()) | |||
8828 | Info.CaptureDeviceAddrMap.try_emplace(DevVD, BPAddr); | |||
8829 | ||||
8830 | llvm::Value *PVal = Pointers[I]; | |||
8831 | llvm::Value *P = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8832 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
8833 | Info.PointersArray, 0, I); | |||
8834 | P = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
8835 | P, PVal->getType()->getPointerTo(/*AddrSpace=*/0)); | |||
8836 | Address PAddr(P, Ctx.getTypeAlignInChars(Ctx.VoidPtrTy)); | |||
8837 | CGF.Builder.CreateStore(PVal, PAddr); | |||
8838 | ||||
8839 | if (hasRuntimeEvaluationCaptureSize) { | |||
8840 | llvm::Value *S = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8841 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | |||
8842 | Info.SizesArray, | |||
8843 | /*Idx0=*/0, | |||
8844 | /*Idx1=*/I); | |||
8845 | Address SAddr(S, Ctx.getTypeAlignInChars(Int64Ty)); | |||
8846 | CGF.Builder.CreateStore( | |||
8847 | CGF.Builder.CreateIntCast(Sizes[I], CGM.Int64Ty, /*isSigned=*/true), | |||
8848 | SAddr); | |||
8849 | } | |||
8850 | } | |||
8851 | } | |||
8852 | } | |||
8853 | ||||
8854 | /// Emit the arguments to be passed to the runtime library based on the | |||
8855 | /// arrays of pointers, sizes and map types. | |||
8856 | static void emitOffloadingArraysArgument( | |||
8857 | CodeGenFunction &CGF, llvm::Value *&BasePointersArrayArg, | |||
8858 | llvm::Value *&PointersArrayArg, llvm::Value *&SizesArrayArg, | |||
8859 | llvm::Value *&MapTypesArrayArg, CGOpenMPRuntime::TargetDataInfo &Info) { | |||
8860 | CodeGenModule &CGM = CGF.CGM; | |||
8861 | if (Info.NumberOfPtrs) { | |||
8862 | BasePointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8863 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
8864 | Info.BasePointersArray, | |||
8865 | /*Idx0=*/0, /*Idx1=*/0); | |||
8866 | PointersArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8867 | llvm::ArrayType::get(CGM.VoidPtrTy, Info.NumberOfPtrs), | |||
8868 | Info.PointersArray, | |||
8869 | /*Idx0=*/0, | |||
8870 | /*Idx1=*/0); | |||
8871 | SizesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8872 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), Info.SizesArray, | |||
8873 | /*Idx0=*/0, /*Idx1=*/0); | |||
8874 | MapTypesArrayArg = CGF.Builder.CreateConstInBoundsGEP2_32( | |||
8875 | llvm::ArrayType::get(CGM.Int64Ty, Info.NumberOfPtrs), | |||
8876 | Info.MapTypesArray, | |||
8877 | /*Idx0=*/0, | |||
8878 | /*Idx1=*/0); | |||
8879 | } else { | |||
8880 | BasePointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
8881 | PointersArrayArg = llvm::ConstantPointerNull::get(CGM.VoidPtrPtrTy); | |||
8882 | SizesArrayArg = llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | |||
8883 | MapTypesArrayArg = | |||
8884 | llvm::ConstantPointerNull::get(CGM.Int64Ty->getPointerTo()); | |||
8885 | } | |||
8886 | } | |||
8887 | ||||
8888 | /// Check for inner distribute directive. | |||
8889 | static const OMPExecutableDirective * | |||
8890 | getNestedDistributeDirective(ASTContext &Ctx, const OMPExecutableDirective &D) { | |||
8891 | const auto *CS = D.getInnermostCapturedStmt(); | |||
8892 | const auto *Body = | |||
8893 | CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
8894 | const Stmt *ChildStmt = | |||
8895 | CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | |||
8896 | ||||
8897 | if (const auto *NestedDir = | |||
8898 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
8899 | OpenMPDirectiveKind DKind = NestedDir->getDirectiveKind(); | |||
8900 | switch (D.getDirectiveKind()) { | |||
8901 | case OMPD_target: | |||
8902 | if (isOpenMPDistributeDirective(DKind)) | |||
8903 | return NestedDir; | |||
8904 | if (DKind == OMPD_teams) { | |||
8905 | Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers( | |||
8906 | /*IgnoreCaptured=*/true); | |||
8907 | if (!Body) | |||
8908 | return nullptr; | |||
8909 | ChildStmt = CGOpenMPSIMDRuntime::getSingleCompoundChild(Ctx, Body); | |||
8910 | if (const auto *NND = | |||
8911 | dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) { | |||
8912 | DKind = NND->getDirectiveKind(); | |||
8913 | if (isOpenMPDistributeDirective(DKind)) | |||
8914 | return NND; | |||
8915 | } | |||
8916 | } | |||
8917 | return nullptr; | |||
8918 | case OMPD_target_teams: | |||
8919 | if (isOpenMPDistributeDirective(DKind)) | |||
8920 | return NestedDir; | |||
8921 | return nullptr; | |||
8922 | case OMPD_target_parallel: | |||
8923 | case OMPD_target_simd: | |||
8924 | case OMPD_target_parallel_for: | |||
8925 | case OMPD_target_parallel_for_simd: | |||
8926 | return nullptr; | |||
8927 | case OMPD_target_teams_distribute: | |||
8928 | case OMPD_target_teams_distribute_simd: | |||
8929 | case OMPD_target_teams_distribute_parallel_for: | |||
8930 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
8931 | case OMPD_parallel: | |||
8932 | case OMPD_for: | |||
8933 | case OMPD_parallel_for: | |||
8934 | case OMPD_parallel_master: | |||
8935 | case OMPD_parallel_sections: | |||
8936 | case OMPD_for_simd: | |||
8937 | case OMPD_parallel_for_simd: | |||
8938 | case OMPD_cancel: | |||
8939 | case OMPD_cancellation_point: | |||
8940 | case OMPD_ordered: | |||
8941 | case OMPD_threadprivate: | |||
8942 | case OMPD_allocate: | |||
8943 | case OMPD_task: | |||
8944 | case OMPD_simd: | |||
8945 | case OMPD_sections: | |||
8946 | case OMPD_section: | |||
8947 | case OMPD_single: | |||
8948 | case OMPD_master: | |||
8949 | case OMPD_critical: | |||
8950 | case OMPD_taskyield: | |||
8951 | case OMPD_barrier: | |||
8952 | case OMPD_taskwait: | |||
8953 | case OMPD_taskgroup: | |||
8954 | case OMPD_atomic: | |||
8955 | case OMPD_flush: | |||
8956 | case OMPD_depobj: | |||
8957 | case OMPD_teams: | |||
8958 | case OMPD_target_data: | |||
8959 | case OMPD_target_exit_data: | |||
8960 | case OMPD_target_enter_data: | |||
8961 | case OMPD_distribute: | |||
8962 | case OMPD_distribute_simd: | |||
8963 | case OMPD_distribute_parallel_for: | |||
8964 | case OMPD_distribute_parallel_for_simd: | |||
8965 | case OMPD_teams_distribute: | |||
8966 | case OMPD_teams_distribute_simd: | |||
8967 | case OMPD_teams_distribute_parallel_for: | |||
8968 | case OMPD_teams_distribute_parallel_for_simd: | |||
8969 | case OMPD_target_update: | |||
8970 | case OMPD_declare_simd: | |||
8971 | case OMPD_declare_variant: | |||
8972 | case OMPD_declare_target: | |||
8973 | case OMPD_end_declare_target: | |||
8974 | case OMPD_declare_reduction: | |||
8975 | case OMPD_declare_mapper: | |||
8976 | case OMPD_taskloop: | |||
8977 | case OMPD_taskloop_simd: | |||
8978 | case OMPD_master_taskloop: | |||
8979 | case OMPD_master_taskloop_simd: | |||
8980 | case OMPD_parallel_master_taskloop: | |||
8981 | case OMPD_parallel_master_taskloop_simd: | |||
8982 | case OMPD_requires: | |||
8983 | case OMPD_unknown: | |||
8984 | llvm_unreachable("Unexpected directive.")::llvm::llvm_unreachable_internal("Unexpected directive.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 8984); | |||
8985 | } | |||
8986 | } | |||
8987 | ||||
8988 | return nullptr; | |||
8989 | } | |||
8990 | ||||
8991 | /// Emit the user-defined mapper function. The code generation follows the | |||
8992 | /// pattern in the example below. | |||
8993 | /// \code | |||
8994 | /// void .omp_mapper.<type_name>.<mapper_id>.(void *rt_mapper_handle, | |||
8995 | /// void *base, void *begin, | |||
8996 | /// int64_t size, int64_t type) { | |||
8997 | /// // Allocate space for an array section first. | |||
8998 | /// if (size > 1 && !maptype.IsDelete) | |||
8999 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | |||
9000 | /// size*sizeof(Ty), clearToFrom(type)); | |||
9001 | /// // Map members. | |||
9002 | /// for (unsigned i = 0; i < size; i++) { | |||
9003 | /// // For each component specified by this mapper: | |||
9004 | /// for (auto c : all_components) { | |||
9005 | /// if (c.hasMapper()) | |||
9006 | /// (*c.Mapper())(rt_mapper_handle, c.arg_base, c.arg_begin, c.arg_size, | |||
9007 | /// c.arg_type); | |||
9008 | /// else | |||
9009 | /// __tgt_push_mapper_component(rt_mapper_handle, c.arg_base, | |||
9010 | /// c.arg_begin, c.arg_size, c.arg_type); | |||
9011 | /// } | |||
9012 | /// } | |||
9013 | /// // Delete the array section. | |||
9014 | /// if (size > 1 && maptype.IsDelete) | |||
9015 | /// __tgt_push_mapper_component(rt_mapper_handle, base, begin, | |||
9016 | /// size*sizeof(Ty), clearToFrom(type)); | |||
9017 | /// } | |||
9018 | /// \endcode | |||
9019 | void CGOpenMPRuntime::emitUserDefinedMapper(const OMPDeclareMapperDecl *D, | |||
9020 | CodeGenFunction *CGF) { | |||
9021 | if (UDMMap.count(D) > 0) | |||
9022 | return; | |||
9023 | ASTContext &C = CGM.getContext(); | |||
9024 | QualType Ty = D->getType(); | |||
9025 | QualType PtrTy = C.getPointerType(Ty).withRestrict(); | |||
9026 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | |||
9027 | auto *MapperVarDecl = | |||
9028 | cast<VarDecl>(cast<DeclRefExpr>(D->getMapperVarRef())->getDecl()); | |||
9029 | SourceLocation Loc = D->getLocation(); | |||
9030 | CharUnits ElementSize = C.getTypeSizeInChars(Ty); | |||
9031 | ||||
9032 | // Prepare mapper function arguments and attributes. | |||
9033 | ImplicitParamDecl HandleArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
9034 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
9035 | ImplicitParamDecl BaseArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, C.VoidPtrTy, | |||
9036 | ImplicitParamDecl::Other); | |||
9037 | ImplicitParamDecl BeginArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, | |||
9038 | C.VoidPtrTy, ImplicitParamDecl::Other); | |||
9039 | ImplicitParamDecl SizeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | |||
9040 | ImplicitParamDecl::Other); | |||
9041 | ImplicitParamDecl TypeArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, Int64Ty, | |||
9042 | ImplicitParamDecl::Other); | |||
9043 | FunctionArgList Args; | |||
9044 | Args.push_back(&HandleArg); | |||
9045 | Args.push_back(&BaseArg); | |||
9046 | Args.push_back(&BeginArg); | |||
9047 | Args.push_back(&SizeArg); | |||
9048 | Args.push_back(&TypeArg); | |||
9049 | const CGFunctionInfo &FnInfo = | |||
9050 | CGM.getTypes().arrangeBuiltinFunctionDeclaration(C.VoidTy, Args); | |||
9051 | llvm::FunctionType *FnTy = CGM.getTypes().GetFunctionType(FnInfo); | |||
9052 | SmallString<64> TyStr; | |||
9053 | llvm::raw_svector_ostream Out(TyStr); | |||
9054 | CGM.getCXXABI().getMangleContext().mangleTypeName(Ty, Out); | |||
9055 | std::string Name = getName({"omp_mapper", TyStr, D->getName()}); | |||
9056 | auto *Fn = llvm::Function::Create(FnTy, llvm::GlobalValue::InternalLinkage, | |||
9057 | Name, &CGM.getModule()); | |||
9058 | CGM.SetInternalFunctionAttributes(GlobalDecl(), Fn, FnInfo); | |||
9059 | Fn->removeFnAttr(llvm::Attribute::OptimizeNone); | |||
9060 | // Start the mapper function code generation. | |||
9061 | CodeGenFunction MapperCGF(CGM); | |||
9062 | MapperCGF.StartFunction(GlobalDecl(), C.VoidTy, Fn, FnInfo, Args, Loc, Loc); | |||
9063 | // Compute the starting and end addreses of array elements. | |||
9064 | llvm::Value *Size = MapperCGF.EmitLoadOfScalar( | |||
9065 | MapperCGF.GetAddrOfLocalVar(&SizeArg), /*Volatile=*/false, | |||
9066 | C.getPointerType(Int64Ty), Loc); | |||
9067 | llvm::Value *PtrBegin = MapperCGF.Builder.CreateBitCast( | |||
9068 | MapperCGF.GetAddrOfLocalVar(&BeginArg).getPointer(), | |||
9069 | CGM.getTypes().ConvertTypeForMem(C.getPointerType(PtrTy))); | |||
9070 | llvm::Value *PtrEnd = MapperCGF.Builder.CreateGEP(PtrBegin, Size); | |||
9071 | llvm::Value *MapType = MapperCGF.EmitLoadOfScalar( | |||
9072 | MapperCGF.GetAddrOfLocalVar(&TypeArg), /*Volatile=*/false, | |||
9073 | C.getPointerType(Int64Ty), Loc); | |||
9074 | // Prepare common arguments for array initiation and deletion. | |||
9075 | llvm::Value *Handle = MapperCGF.EmitLoadOfScalar( | |||
9076 | MapperCGF.GetAddrOfLocalVar(&HandleArg), | |||
9077 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9078 | llvm::Value *BaseIn = MapperCGF.EmitLoadOfScalar( | |||
9079 | MapperCGF.GetAddrOfLocalVar(&BaseArg), | |||
9080 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9081 | llvm::Value *BeginIn = MapperCGF.EmitLoadOfScalar( | |||
9082 | MapperCGF.GetAddrOfLocalVar(&BeginArg), | |||
9083 | /*Volatile=*/false, C.getPointerType(C.VoidPtrTy), Loc); | |||
9084 | ||||
9085 | // Emit array initiation if this is an array section and \p MapType indicates | |||
9086 | // that memory allocation is required. | |||
9087 | llvm::BasicBlock *HeadBB = MapperCGF.createBasicBlock("omp.arraymap.head"); | |||
9088 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | |||
9089 | ElementSize, HeadBB, /*IsInit=*/true); | |||
9090 | ||||
9091 | // Emit a for loop to iterate through SizeArg of elements and map all of them. | |||
9092 | ||||
9093 | // Emit the loop header block. | |||
9094 | MapperCGF.EmitBlock(HeadBB); | |||
9095 | llvm::BasicBlock *BodyBB = MapperCGF.createBasicBlock("omp.arraymap.body"); | |||
9096 | llvm::BasicBlock *DoneBB = MapperCGF.createBasicBlock("omp.done"); | |||
9097 | // Evaluate whether the initial condition is satisfied. | |||
9098 | llvm::Value *IsEmpty = | |||
9099 | MapperCGF.Builder.CreateICmpEQ(PtrBegin, PtrEnd, "omp.arraymap.isempty"); | |||
9100 | MapperCGF.Builder.CreateCondBr(IsEmpty, DoneBB, BodyBB); | |||
9101 | llvm::BasicBlock *EntryBB = MapperCGF.Builder.GetInsertBlock(); | |||
9102 | ||||
9103 | // Emit the loop body block. | |||
9104 | MapperCGF.EmitBlock(BodyBB); | |||
9105 | llvm::PHINode *PtrPHI = MapperCGF.Builder.CreatePHI( | |||
9106 | PtrBegin->getType(), 2, "omp.arraymap.ptrcurrent"); | |||
9107 | PtrPHI->addIncoming(PtrBegin, EntryBB); | |||
9108 | Address PtrCurrent = | |||
9109 | Address(PtrPHI, MapperCGF.GetAddrOfLocalVar(&BeginArg) | |||
9110 | .getAlignment() | |||
9111 | .alignmentOfArrayElement(ElementSize)); | |||
9112 | // Privatize the declared variable of mapper to be the current array element. | |||
9113 | CodeGenFunction::OMPPrivateScope Scope(MapperCGF); | |||
9114 | Scope.addPrivate(MapperVarDecl, [&MapperCGF, PtrCurrent, PtrTy]() { | |||
9115 | return MapperCGF | |||
9116 | .EmitLoadOfPointerLValue(PtrCurrent, PtrTy->castAs<PointerType>()) | |||
9117 | .getAddress(MapperCGF); | |||
9118 | }); | |||
9119 | (void)Scope.Privatize(); | |||
9120 | ||||
9121 | // Get map clause information. Fill up the arrays with all mapped variables. | |||
9122 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | |||
9123 | MappableExprsHandler::MapValuesArrayTy Pointers; | |||
9124 | MappableExprsHandler::MapValuesArrayTy Sizes; | |||
9125 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | |||
9126 | MappableExprsHandler MEHandler(*D, MapperCGF); | |||
9127 | MEHandler.generateAllInfoForMapper(BasePointers, Pointers, Sizes, MapTypes); | |||
9128 | ||||
9129 | // Call the runtime API __tgt_mapper_num_components to get the number of | |||
9130 | // pre-existing components. | |||
9131 | llvm::Value *OffloadingArgs[] = {Handle}; | |||
9132 | llvm::Value *PreviousSize = MapperCGF.EmitRuntimeCall( | |||
9133 | createRuntimeFunction(OMPRTL__tgt_mapper_num_components), OffloadingArgs); | |||
9134 | llvm::Value *ShiftedPreviousSize = MapperCGF.Builder.CreateShl( | |||
9135 | PreviousSize, | |||
9136 | MapperCGF.Builder.getInt64(MappableExprsHandler::getFlagMemberOffset())); | |||
9137 | ||||
9138 | // Fill up the runtime mapper handle for all components. | |||
9139 | for (unsigned I = 0; I < BasePointers.size(); ++I) { | |||
9140 | llvm::Value *CurBaseArg = MapperCGF.Builder.CreateBitCast( | |||
9141 | *BasePointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | |||
9142 | llvm::Value *CurBeginArg = MapperCGF.Builder.CreateBitCast( | |||
9143 | Pointers[I], CGM.getTypes().ConvertTypeForMem(C.VoidPtrTy)); | |||
9144 | llvm::Value *CurSizeArg = Sizes[I]; | |||
9145 | ||||
9146 | // Extract the MEMBER_OF field from the map type. | |||
9147 | llvm::BasicBlock *MemberBB = MapperCGF.createBasicBlock("omp.member"); | |||
9148 | MapperCGF.EmitBlock(MemberBB); | |||
9149 | llvm::Value *OriMapType = MapperCGF.Builder.getInt64(MapTypes[I]); | |||
9150 | llvm::Value *Member = MapperCGF.Builder.CreateAnd( | |||
9151 | OriMapType, | |||
9152 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_MEMBER_OF)); | |||
9153 | llvm::BasicBlock *MemberCombineBB = | |||
9154 | MapperCGF.createBasicBlock("omp.member.combine"); | |||
9155 | llvm::BasicBlock *TypeBB = MapperCGF.createBasicBlock("omp.type"); | |||
9156 | llvm::Value *IsMember = MapperCGF.Builder.CreateIsNull(Member); | |||
9157 | MapperCGF.Builder.CreateCondBr(IsMember, TypeBB, MemberCombineBB); | |||
9158 | // Add the number of pre-existing components to the MEMBER_OF field if it | |||
9159 | // is valid. | |||
9160 | MapperCGF.EmitBlock(MemberCombineBB); | |||
9161 | llvm::Value *CombinedMember = | |||
9162 | MapperCGF.Builder.CreateNUWAdd(OriMapType, ShiftedPreviousSize); | |||
9163 | // Do nothing if it is not a member of previous components. | |||
9164 | MapperCGF.EmitBlock(TypeBB); | |||
9165 | llvm::PHINode *MemberMapType = | |||
9166 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.membermaptype"); | |||
9167 | MemberMapType->addIncoming(OriMapType, MemberBB); | |||
9168 | MemberMapType->addIncoming(CombinedMember, MemberCombineBB); | |||
9169 | ||||
9170 | // Combine the map type inherited from user-defined mapper with that | |||
9171 | // specified in the program. According to the OMP_MAP_TO and OMP_MAP_FROM | |||
9172 | // bits of the \a MapType, which is the input argument of the mapper | |||
9173 | // function, the following code will set the OMP_MAP_TO and OMP_MAP_FROM | |||
9174 | // bits of MemberMapType. | |||
9175 | // [OpenMP 5.0], 1.2.6. map-type decay. | |||
9176 | // | alloc | to | from | tofrom | release | delete | |||
9177 | // ---------------------------------------------------------- | |||
9178 | // alloc | alloc | alloc | alloc | alloc | release | delete | |||
9179 | // to | alloc | to | alloc | to | release | delete | |||
9180 | // from | alloc | alloc | from | from | release | delete | |||
9181 | // tofrom | alloc | to | from | tofrom | release | delete | |||
9182 | llvm::Value *LeftToFrom = MapperCGF.Builder.CreateAnd( | |||
9183 | MapType, | |||
9184 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO | | |||
9185 | MappableExprsHandler::OMP_MAP_FROM)); | |||
9186 | llvm::BasicBlock *AllocBB = MapperCGF.createBasicBlock("omp.type.alloc"); | |||
9187 | llvm::BasicBlock *AllocElseBB = | |||
9188 | MapperCGF.createBasicBlock("omp.type.alloc.else"); | |||
9189 | llvm::BasicBlock *ToBB = MapperCGF.createBasicBlock("omp.type.to"); | |||
9190 | llvm::BasicBlock *ToElseBB = MapperCGF.createBasicBlock("omp.type.to.else"); | |||
9191 | llvm::BasicBlock *FromBB = MapperCGF.createBasicBlock("omp.type.from"); | |||
9192 | llvm::BasicBlock *EndBB = MapperCGF.createBasicBlock("omp.type.end"); | |||
9193 | llvm::Value *IsAlloc = MapperCGF.Builder.CreateIsNull(LeftToFrom); | |||
9194 | MapperCGF.Builder.CreateCondBr(IsAlloc, AllocBB, AllocElseBB); | |||
9195 | // In case of alloc, clear OMP_MAP_TO and OMP_MAP_FROM. | |||
9196 | MapperCGF.EmitBlock(AllocBB); | |||
9197 | llvm::Value *AllocMapType = MapperCGF.Builder.CreateAnd( | |||
9198 | MemberMapType, | |||
9199 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | |||
9200 | MappableExprsHandler::OMP_MAP_FROM))); | |||
9201 | MapperCGF.Builder.CreateBr(EndBB); | |||
9202 | MapperCGF.EmitBlock(AllocElseBB); | |||
9203 | llvm::Value *IsTo = MapperCGF.Builder.CreateICmpEQ( | |||
9204 | LeftToFrom, | |||
9205 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_TO)); | |||
9206 | MapperCGF.Builder.CreateCondBr(IsTo, ToBB, ToElseBB); | |||
9207 | // In case of to, clear OMP_MAP_FROM. | |||
9208 | MapperCGF.EmitBlock(ToBB); | |||
9209 | llvm::Value *ToMapType = MapperCGF.Builder.CreateAnd( | |||
9210 | MemberMapType, | |||
9211 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_FROM)); | |||
9212 | MapperCGF.Builder.CreateBr(EndBB); | |||
9213 | MapperCGF.EmitBlock(ToElseBB); | |||
9214 | llvm::Value *IsFrom = MapperCGF.Builder.CreateICmpEQ( | |||
9215 | LeftToFrom, | |||
9216 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_FROM)); | |||
9217 | MapperCGF.Builder.CreateCondBr(IsFrom, FromBB, EndBB); | |||
9218 | // In case of from, clear OMP_MAP_TO. | |||
9219 | MapperCGF.EmitBlock(FromBB); | |||
9220 | llvm::Value *FromMapType = MapperCGF.Builder.CreateAnd( | |||
9221 | MemberMapType, | |||
9222 | MapperCGF.Builder.getInt64(~MappableExprsHandler::OMP_MAP_TO)); | |||
9223 | // In case of tofrom, do nothing. | |||
9224 | MapperCGF.EmitBlock(EndBB); | |||
9225 | llvm::PHINode *CurMapType = | |||
9226 | MapperCGF.Builder.CreatePHI(CGM.Int64Ty, 4, "omp.maptype"); | |||
9227 | CurMapType->addIncoming(AllocMapType, AllocBB); | |||
9228 | CurMapType->addIncoming(ToMapType, ToBB); | |||
9229 | CurMapType->addIncoming(FromMapType, FromBB); | |||
9230 | CurMapType->addIncoming(MemberMapType, ToElseBB); | |||
9231 | ||||
9232 | // TODO: call the corresponding mapper function if a user-defined mapper is | |||
9233 | // associated with this map clause. | |||
9234 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | |||
9235 | // data structure. | |||
9236 | llvm::Value *OffloadingArgs[] = {Handle, CurBaseArg, CurBeginArg, | |||
9237 | CurSizeArg, CurMapType}; | |||
9238 | MapperCGF.EmitRuntimeCall( | |||
9239 | createRuntimeFunction(OMPRTL__tgt_push_mapper_component), | |||
9240 | OffloadingArgs); | |||
9241 | } | |||
9242 | ||||
9243 | // Update the pointer to point to the next element that needs to be mapped, | |||
9244 | // and check whether we have mapped all elements. | |||
9245 | llvm::Value *PtrNext = MapperCGF.Builder.CreateConstGEP1_32( | |||
9246 | PtrPHI, /*Idx0=*/1, "omp.arraymap.next"); | |||
9247 | PtrPHI->addIncoming(PtrNext, BodyBB); | |||
9248 | llvm::Value *IsDone = | |||
9249 | MapperCGF.Builder.CreateICmpEQ(PtrNext, PtrEnd, "omp.arraymap.isdone"); | |||
9250 | llvm::BasicBlock *ExitBB = MapperCGF.createBasicBlock("omp.arraymap.exit"); | |||
9251 | MapperCGF.Builder.CreateCondBr(IsDone, ExitBB, BodyBB); | |||
9252 | ||||
9253 | MapperCGF.EmitBlock(ExitBB); | |||
9254 | // Emit array deletion if this is an array section and \p MapType indicates | |||
9255 | // that deletion is required. | |||
9256 | emitUDMapperArrayInitOrDel(MapperCGF, Handle, BaseIn, BeginIn, Size, MapType, | |||
9257 | ElementSize, DoneBB, /*IsInit=*/false); | |||
9258 | ||||
9259 | // Emit the function exit block. | |||
9260 | MapperCGF.EmitBlock(DoneBB, /*IsFinished=*/true); | |||
9261 | MapperCGF.FinishFunction(); | |||
9262 | UDMMap.try_emplace(D, Fn); | |||
9263 | if (CGF) { | |||
9264 | auto &Decls = FunctionUDMMap.FindAndConstruct(CGF->CurFn); | |||
9265 | Decls.second.push_back(D); | |||
9266 | } | |||
9267 | } | |||
9268 | ||||
9269 | /// Emit the array initialization or deletion portion for user-defined mapper | |||
9270 | /// code generation. First, it evaluates whether an array section is mapped and | |||
9271 | /// whether the \a MapType instructs to delete this section. If \a IsInit is | |||
9272 | /// true, and \a MapType indicates to not delete this array, array | |||
9273 | /// initialization code is generated. If \a IsInit is false, and \a MapType | |||
9274 | /// indicates to not this array, array deletion code is generated. | |||
9275 | void CGOpenMPRuntime::emitUDMapperArrayInitOrDel( | |||
9276 | CodeGenFunction &MapperCGF, llvm::Value *Handle, llvm::Value *Base, | |||
9277 | llvm::Value *Begin, llvm::Value *Size, llvm::Value *MapType, | |||
9278 | CharUnits ElementSize, llvm::BasicBlock *ExitBB, bool IsInit) { | |||
9279 | StringRef Prefix = IsInit ? ".init" : ".del"; | |||
9280 | ||||
9281 | // Evaluate if this is an array section. | |||
9282 | llvm::BasicBlock *IsDeleteBB = | |||
9283 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix, ".evaldelete"})); | |||
9284 | llvm::BasicBlock *BodyBB = | |||
9285 | MapperCGF.createBasicBlock(getName({"omp.array", Prefix})); | |||
9286 | llvm::Value *IsArray = MapperCGF.Builder.CreateICmpSGE( | |||
9287 | Size, MapperCGF.Builder.getInt64(1), "omp.arrayinit.isarray"); | |||
9288 | MapperCGF.Builder.CreateCondBr(IsArray, IsDeleteBB, ExitBB); | |||
9289 | ||||
9290 | // Evaluate if we are going to delete this section. | |||
9291 | MapperCGF.EmitBlock(IsDeleteBB); | |||
9292 | llvm::Value *DeleteBit = MapperCGF.Builder.CreateAnd( | |||
9293 | MapType, | |||
9294 | MapperCGF.Builder.getInt64(MappableExprsHandler::OMP_MAP_DELETE)); | |||
9295 | llvm::Value *DeleteCond; | |||
9296 | if (IsInit) { | |||
9297 | DeleteCond = MapperCGF.Builder.CreateIsNull( | |||
9298 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | |||
9299 | } else { | |||
9300 | DeleteCond = MapperCGF.Builder.CreateIsNotNull( | |||
9301 | DeleteBit, getName({"omp.array", Prefix, ".delete"})); | |||
9302 | } | |||
9303 | MapperCGF.Builder.CreateCondBr(DeleteCond, BodyBB, ExitBB); | |||
9304 | ||||
9305 | MapperCGF.EmitBlock(BodyBB); | |||
9306 | // Get the array size by multiplying element size and element number (i.e., \p | |||
9307 | // Size). | |||
9308 | llvm::Value *ArraySize = MapperCGF.Builder.CreateNUWMul( | |||
9309 | Size, MapperCGF.Builder.getInt64(ElementSize.getQuantity())); | |||
9310 | // Remove OMP_MAP_TO and OMP_MAP_FROM from the map type, so that it achieves | |||
9311 | // memory allocation/deletion purpose only. | |||
9312 | llvm::Value *MapTypeArg = MapperCGF.Builder.CreateAnd( | |||
9313 | MapType, | |||
9314 | MapperCGF.Builder.getInt64(~(MappableExprsHandler::OMP_MAP_TO | | |||
9315 | MappableExprsHandler::OMP_MAP_FROM))); | |||
9316 | // Call the runtime API __tgt_push_mapper_component to fill up the runtime | |||
9317 | // data structure. | |||
9318 | llvm::Value *OffloadingArgs[] = {Handle, Base, Begin, ArraySize, MapTypeArg}; | |||
9319 | MapperCGF.EmitRuntimeCall( | |||
9320 | createRuntimeFunction(OMPRTL__tgt_push_mapper_component), OffloadingArgs); | |||
9321 | } | |||
9322 | ||||
9323 | void CGOpenMPRuntime::emitTargetNumIterationsCall( | |||
9324 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
9325 | llvm::Value *DeviceID, | |||
9326 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
9327 | const OMPLoopDirective &D)> | |||
9328 | SizeEmitter) { | |||
9329 | OpenMPDirectiveKind Kind = D.getDirectiveKind(); | |||
9330 | const OMPExecutableDirective *TD = &D; | |||
9331 | // Get nested teams distribute kind directive, if any. | |||
9332 | if (!isOpenMPDistributeDirective(Kind) || !isOpenMPTeamsDirective(Kind)) | |||
9333 | TD = getNestedDistributeDirective(CGM.getContext(), D); | |||
9334 | if (!TD) | |||
9335 | return; | |||
9336 | const auto *LD = cast<OMPLoopDirective>(TD); | |||
9337 | auto &&CodeGen = [LD, DeviceID, SizeEmitter, this](CodeGenFunction &CGF, | |||
9338 | PrePostActionTy &) { | |||
9339 | if (llvm::Value *NumIterations = SizeEmitter(CGF, *LD)) { | |||
9340 | llvm::Value *Args[] = {DeviceID, NumIterations}; | |||
9341 | CGF.EmitRuntimeCall( | |||
9342 | createRuntimeFunction(OMPRTL__kmpc_push_target_tripcount), Args); | |||
9343 | } | |||
9344 | }; | |||
9345 | emitInlinedDirective(CGF, OMPD_unknown, CodeGen); | |||
9346 | } | |||
9347 | ||||
9348 | void CGOpenMPRuntime::emitTargetCall( | |||
9349 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
9350 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | |||
9351 | const Expr *Device, | |||
9352 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
9353 | const OMPLoopDirective &D)> | |||
9354 | SizeEmitter) { | |||
9355 | if (!CGF.HaveInsertPoint()) | |||
9356 | return; | |||
9357 | ||||
9358 | assert(OutlinedFn && "Invalid outlined function!")((OutlinedFn && "Invalid outlined function!") ? static_cast <void> (0) : __assert_fail ("OutlinedFn && \"Invalid outlined function!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9358, __PRETTY_FUNCTION__)); | |||
9359 | ||||
9360 | const bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>(); | |||
9361 | llvm::SmallVector<llvm::Value *, 16> CapturedVars; | |||
9362 | const CapturedStmt &CS = *D.getCapturedStmt(OMPD_target); | |||
9363 | auto &&ArgsCodegen = [&CS, &CapturedVars](CodeGenFunction &CGF, | |||
9364 | PrePostActionTy &) { | |||
9365 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
9366 | }; | |||
9367 | emitInlinedDirective(CGF, OMPD_unknown, ArgsCodegen); | |||
9368 | ||||
9369 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
9370 | llvm::Value *MapTypesArray = nullptr; | |||
9371 | // Fill up the pointer arrays and transfer execution to the device. | |||
9372 | auto &&ThenGen = [this, Device, OutlinedFn, OutlinedFnID, &D, &InputInfo, | |||
9373 | &MapTypesArray, &CS, RequiresOuterTask, &CapturedVars, | |||
9374 | SizeEmitter](CodeGenFunction &CGF, PrePostActionTy &) { | |||
9375 | // On top of the arrays that were filled up, the target offloading call | |||
9376 | // takes as arguments the device id as well as the host pointer. The host | |||
9377 | // pointer is used by the runtime library to identify the current target | |||
9378 | // region, so it only has to be unique and not necessarily point to | |||
9379 | // anything. It could be the pointer to the outlined function that | |||
9380 | // implements the target region, but we aren't using that so that the | |||
9381 | // compiler doesn't need to keep that, and could therefore inline the host | |||
9382 | // function if proven worthwhile during optimization. | |||
9383 | ||||
9384 | // From this point on, we need to have an ID of the target region defined. | |||
9385 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9385, __PRETTY_FUNCTION__)); | |||
9386 | ||||
9387 | // Emit device ID if any. | |||
9388 | llvm::Value *DeviceID; | |||
9389 | if (Device) { | |||
9390 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
9391 | CGF.Int64Ty, /*isSigned=*/true); | |||
9392 | } else { | |||
9393 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
9394 | } | |||
9395 | ||||
9396 | // Emit the number of elements in the offloading arrays. | |||
9397 | llvm::Value *PointerNum = | |||
9398 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | |||
9399 | ||||
9400 | // Return value of the runtime offloading call. | |||
9401 | llvm::Value *Return; | |||
9402 | ||||
9403 | llvm::Value *NumTeams = emitNumTeamsForTargetDirective(CGF, D); | |||
9404 | llvm::Value *NumThreads = emitNumThreadsForTargetDirective(CGF, D); | |||
9405 | ||||
9406 | // Emit tripcount for the target loop-based directive. | |||
9407 | emitTargetNumIterationsCall(CGF, D, DeviceID, SizeEmitter); | |||
9408 | ||||
9409 | bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | |||
9410 | // The target region is an outlined function launched by the runtime | |||
9411 | // via calls __tgt_target() or __tgt_target_teams(). | |||
9412 | // | |||
9413 | // __tgt_target() launches a target region with one team and one thread, | |||
9414 | // executing a serial region. This master thread may in turn launch | |||
9415 | // more threads within its team upon encountering a parallel region, | |||
9416 | // however, no additional teams can be launched on the device. | |||
9417 | // | |||
9418 | // __tgt_target_teams() launches a target region with one or more teams, | |||
9419 | // each with one or more threads. This call is required for target | |||
9420 | // constructs such as: | |||
9421 | // 'target teams' | |||
9422 | // 'target' / 'teams' | |||
9423 | // 'target teams distribute parallel for' | |||
9424 | // 'target parallel' | |||
9425 | // and so on. | |||
9426 | // | |||
9427 | // Note that on the host and CPU targets, the runtime implementation of | |||
9428 | // these calls simply call the outlined function without forking threads. | |||
9429 | // The outlined functions themselves have runtime calls to | |||
9430 | // __kmpc_fork_teams() and __kmpc_fork() for this purpose, codegen'd by | |||
9431 | // the compiler in emitTeamsCall() and emitParallelCall(). | |||
9432 | // | |||
9433 | // In contrast, on the NVPTX target, the implementation of | |||
9434 | // __tgt_target_teams() launches a GPU kernel with the requested number | |||
9435 | // of teams and threads so no additional calls to the runtime are required. | |||
9436 | if (NumTeams) { | |||
9437 | // If we have NumTeams defined this means that we have an enclosed teams | |||
9438 | // region. Therefore we also expect to have NumThreads defined. These two | |||
9439 | // values should be defined in the presence of a teams directive, | |||
9440 | // regardless of having any clauses associated. If the user is using teams | |||
9441 | // but no clauses, these two values will be the default that should be | |||
9442 | // passed to the runtime library - a 32-bit integer with the value zero. | |||
9443 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9444, __PRETTY_FUNCTION__)) | |||
9444 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9444, __PRETTY_FUNCTION__)); | |||
9445 | llvm::Value *OffloadingArgs[] = {DeviceID, | |||
9446 | OutlinedFnID, | |||
9447 | PointerNum, | |||
9448 | InputInfo.BasePointersArray.getPointer(), | |||
9449 | InputInfo.PointersArray.getPointer(), | |||
9450 | InputInfo.SizesArray.getPointer(), | |||
9451 | MapTypesArray, | |||
9452 | NumTeams, | |||
9453 | NumThreads}; | |||
9454 | Return = CGF.EmitRuntimeCall( | |||
9455 | createRuntimeFunction(HasNowait ? OMPRTL__tgt_target_teams_nowait | |||
9456 | : OMPRTL__tgt_target_teams), | |||
9457 | OffloadingArgs); | |||
9458 | } else { | |||
9459 | llvm::Value *OffloadingArgs[] = {DeviceID, | |||
9460 | OutlinedFnID, | |||
9461 | PointerNum, | |||
9462 | InputInfo.BasePointersArray.getPointer(), | |||
9463 | InputInfo.PointersArray.getPointer(), | |||
9464 | InputInfo.SizesArray.getPointer(), | |||
9465 | MapTypesArray}; | |||
9466 | Return = CGF.EmitRuntimeCall( | |||
9467 | createRuntimeFunction(HasNowait ? OMPRTL__tgt_target_nowait | |||
9468 | : OMPRTL__tgt_target), | |||
9469 | OffloadingArgs); | |||
9470 | } | |||
9471 | ||||
9472 | // Check the error code and execute the host version if required. | |||
9473 | llvm::BasicBlock *OffloadFailedBlock = | |||
9474 | CGF.createBasicBlock("omp_offload.failed"); | |||
9475 | llvm::BasicBlock *OffloadContBlock = | |||
9476 | CGF.createBasicBlock("omp_offload.cont"); | |||
9477 | llvm::Value *Failed = CGF.Builder.CreateIsNotNull(Return); | |||
9478 | CGF.Builder.CreateCondBr(Failed, OffloadFailedBlock, OffloadContBlock); | |||
9479 | ||||
9480 | CGF.EmitBlock(OffloadFailedBlock); | |||
9481 | if (RequiresOuterTask) { | |||
9482 | CapturedVars.clear(); | |||
9483 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
9484 | } | |||
9485 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | |||
9486 | CGF.EmitBranch(OffloadContBlock); | |||
9487 | ||||
9488 | CGF.EmitBlock(OffloadContBlock, /*IsFinished=*/true); | |||
9489 | }; | |||
9490 | ||||
9491 | // Notify that the host version must be executed. | |||
9492 | auto &&ElseGen = [this, &D, OutlinedFn, &CS, &CapturedVars, | |||
9493 | RequiresOuterTask](CodeGenFunction &CGF, | |||
9494 | PrePostActionTy &) { | |||
9495 | if (RequiresOuterTask) { | |||
9496 | CapturedVars.clear(); | |||
9497 | CGF.GenerateOpenMPCapturedVars(CS, CapturedVars); | |||
9498 | } | |||
9499 | emitOutlinedFunctionCall(CGF, D.getBeginLoc(), OutlinedFn, CapturedVars); | |||
9500 | }; | |||
9501 | ||||
9502 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray, | |||
9503 | &CapturedVars, RequiresOuterTask, | |||
9504 | &CS](CodeGenFunction &CGF, PrePostActionTy &) { | |||
9505 | // Fill up the arrays with all the captured variables. | |||
9506 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | |||
9507 | MappableExprsHandler::MapValuesArrayTy Pointers; | |||
9508 | MappableExprsHandler::MapValuesArrayTy Sizes; | |||
9509 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | |||
9510 | ||||
9511 | // Get mappable expression information. | |||
9512 | MappableExprsHandler MEHandler(D, CGF); | |||
9513 | llvm::DenseMap<llvm::Value *, llvm::Value *> LambdaPointers; | |||
9514 | ||||
9515 | auto RI = CS.getCapturedRecordDecl()->field_begin(); | |||
9516 | auto CV = CapturedVars.begin(); | |||
9517 | for (CapturedStmt::const_capture_iterator CI = CS.capture_begin(), | |||
9518 | CE = CS.capture_end(); | |||
9519 | CI != CE; ++CI, ++RI, ++CV) { | |||
9520 | MappableExprsHandler::MapBaseValuesArrayTy CurBasePointers; | |||
9521 | MappableExprsHandler::MapValuesArrayTy CurPointers; | |||
9522 | MappableExprsHandler::MapValuesArrayTy CurSizes; | |||
9523 | MappableExprsHandler::MapFlagsArrayTy CurMapTypes; | |||
9524 | MappableExprsHandler::StructRangeInfoTy PartialStruct; | |||
9525 | ||||
9526 | // VLA sizes are passed to the outlined region by copy and do not have map | |||
9527 | // information associated. | |||
9528 | if (CI->capturesVariableArrayType()) { | |||
9529 | CurBasePointers.push_back(*CV); | |||
9530 | CurPointers.push_back(*CV); | |||
9531 | CurSizes.push_back(CGF.Builder.CreateIntCast( | |||
9532 | CGF.getTypeSize(RI->getType()), CGF.Int64Ty, /*isSigned=*/true)); | |||
9533 | // Copy to the device as an argument. No need to retrieve it. | |||
9534 | CurMapTypes.push_back(MappableExprsHandler::OMP_MAP_LITERAL | | |||
9535 | MappableExprsHandler::OMP_MAP_TARGET_PARAM | | |||
9536 | MappableExprsHandler::OMP_MAP_IMPLICIT); | |||
9537 | } else { | |||
9538 | // If we have any information in the map clause, we use it, otherwise we | |||
9539 | // just do a default mapping. | |||
9540 | MEHandler.generateInfoForCapture(CI, *CV, CurBasePointers, CurPointers, | |||
9541 | CurSizes, CurMapTypes, PartialStruct); | |||
9542 | if (CurBasePointers.empty()) | |||
9543 | MEHandler.generateDefaultMapInfo(*CI, **RI, *CV, CurBasePointers, | |||
9544 | CurPointers, CurSizes, CurMapTypes); | |||
9545 | // Generate correct mapping for variables captured by reference in | |||
9546 | // lambdas. | |||
9547 | if (CI->capturesVariable()) | |||
9548 | MEHandler.generateInfoForLambdaCaptures( | |||
9549 | CI->getCapturedVar(), *CV, CurBasePointers, CurPointers, CurSizes, | |||
9550 | CurMapTypes, LambdaPointers); | |||
9551 | } | |||
9552 | // We expect to have at least an element of information for this capture. | |||
9553 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9554, __PRETTY_FUNCTION__)) | |||
9554 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9554, __PRETTY_FUNCTION__)); | |||
9555 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9558, __PRETTY_FUNCTION__)) | |||
9556 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9558, __PRETTY_FUNCTION__)) | |||
9557 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9558, __PRETTY_FUNCTION__)) | |||
9558 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9558, __PRETTY_FUNCTION__)); | |||
9559 | ||||
9560 | // If there is an entry in PartialStruct it means we have a struct with | |||
9561 | // individual members mapped. Emit an extra combined entry. | |||
9562 | if (PartialStruct.Base.isValid()) | |||
9563 | MEHandler.emitCombinedEntry(BasePointers, Pointers, Sizes, MapTypes, | |||
9564 | CurMapTypes, PartialStruct); | |||
9565 | ||||
9566 | // We need to append the results of this capture to what we already have. | |||
9567 | BasePointers.append(CurBasePointers.begin(), CurBasePointers.end()); | |||
9568 | Pointers.append(CurPointers.begin(), CurPointers.end()); | |||
9569 | Sizes.append(CurSizes.begin(), CurSizes.end()); | |||
9570 | MapTypes.append(CurMapTypes.begin(), CurMapTypes.end()); | |||
9571 | } | |||
9572 | // Adjust MEMBER_OF flags for the lambdas captures. | |||
9573 | MEHandler.adjustMemberOfForLambdaCaptures(LambdaPointers, BasePointers, | |||
9574 | Pointers, MapTypes); | |||
9575 | // Map other list items in the map clause which are not captured variables | |||
9576 | // but "declare target link" global variables. | |||
9577 | MEHandler.generateInfoForDeclareTargetLink(BasePointers, Pointers, Sizes, | |||
9578 | MapTypes); | |||
9579 | ||||
9580 | TargetDataInfo Info; | |||
9581 | // Fill up the arrays and create the arguments. | |||
9582 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | |||
9583 | emitOffloadingArraysArgument(CGF, Info.BasePointersArray, | |||
9584 | Info.PointersArray, Info.SizesArray, | |||
9585 | Info.MapTypesArray, Info); | |||
9586 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | |||
9587 | InputInfo.BasePointersArray = | |||
9588 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | |||
9589 | InputInfo.PointersArray = | |||
9590 | Address(Info.PointersArray, CGM.getPointerAlign()); | |||
9591 | InputInfo.SizesArray = Address(Info.SizesArray, CGM.getPointerAlign()); | |||
9592 | MapTypesArray = Info.MapTypesArray; | |||
9593 | if (RequiresOuterTask) | |||
9594 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | |||
9595 | else | |||
9596 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | |||
9597 | }; | |||
9598 | ||||
9599 | auto &&TargetElseGen = [this, &ElseGen, &D, RequiresOuterTask]( | |||
9600 | CodeGenFunction &CGF, PrePostActionTy &) { | |||
9601 | if (RequiresOuterTask) { | |||
9602 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
9603 | CGF.EmitOMPTargetTaskBasedDirective(D, ElseGen, InputInfo); | |||
9604 | } else { | |||
9605 | emitInlinedDirective(CGF, D.getDirectiveKind(), ElseGen); | |||
9606 | } | |||
9607 | }; | |||
9608 | ||||
9609 | // If we have a target function ID it means that we need to support | |||
9610 | // offloading, otherwise, just execute on the host. We need to execute on host | |||
9611 | // regardless of the conditional in the if clause if, e.g., the user do not | |||
9612 | // specify target triples. | |||
9613 | if (OutlinedFnID) { | |||
9614 | if (IfCond) { | |||
9615 | emitIfClause(CGF, IfCond, TargetThenGen, TargetElseGen); | |||
9616 | } else { | |||
9617 | RegionCodeGenTy ThenRCG(TargetThenGen); | |||
9618 | ThenRCG(CGF); | |||
9619 | } | |||
9620 | } else { | |||
9621 | RegionCodeGenTy ElseRCG(TargetElseGen); | |||
9622 | ElseRCG(CGF); | |||
9623 | } | |||
9624 | } | |||
9625 | ||||
9626 | void CGOpenMPRuntime::scanForTargetRegionsFunctions(const Stmt *S, | |||
9627 | StringRef ParentName) { | |||
9628 | if (!S) | |||
9629 | return; | |||
9630 | ||||
9631 | // Codegen OMP target directives that offload compute to the device. | |||
9632 | bool RequiresDeviceCodegen = | |||
9633 | isa<OMPExecutableDirective>(S) && | |||
9634 | isOpenMPTargetExecutionDirective( | |||
9635 | cast<OMPExecutableDirective>(S)->getDirectiveKind()); | |||
9636 | ||||
9637 | if (RequiresDeviceCodegen) { | |||
9638 | const auto &E = *cast<OMPExecutableDirective>(S); | |||
9639 | unsigned DeviceID; | |||
9640 | unsigned FileID; | |||
9641 | unsigned Line; | |||
9642 | getTargetEntryUniqueInfo(CGM.getContext(), E.getBeginLoc(), DeviceID, | |||
9643 | FileID, Line); | |||
9644 | ||||
9645 | // Is this a target region that should not be emitted as an entry point? If | |||
9646 | // so just signal we are done with this target region. | |||
9647 | if (!OffloadEntriesInfoManager.hasTargetRegionEntryInfo(DeviceID, FileID, | |||
9648 | ParentName, Line)) | |||
9649 | return; | |||
9650 | ||||
9651 | switch (E.getDirectiveKind()) { | |||
9652 | case OMPD_target: | |||
9653 | CodeGenFunction::EmitOMPTargetDeviceFunction(CGM, ParentName, | |||
9654 | cast<OMPTargetDirective>(E)); | |||
9655 | break; | |||
9656 | case OMPD_target_parallel: | |||
9657 | CodeGenFunction::EmitOMPTargetParallelDeviceFunction( | |||
9658 | CGM, ParentName, cast<OMPTargetParallelDirective>(E)); | |||
9659 | break; | |||
9660 | case OMPD_target_teams: | |||
9661 | CodeGenFunction::EmitOMPTargetTeamsDeviceFunction( | |||
9662 | CGM, ParentName, cast<OMPTargetTeamsDirective>(E)); | |||
9663 | break; | |||
9664 | case OMPD_target_teams_distribute: | |||
9665 | CodeGenFunction::EmitOMPTargetTeamsDistributeDeviceFunction( | |||
9666 | CGM, ParentName, cast<OMPTargetTeamsDistributeDirective>(E)); | |||
9667 | break; | |||
9668 | case OMPD_target_teams_distribute_simd: | |||
9669 | CodeGenFunction::EmitOMPTargetTeamsDistributeSimdDeviceFunction( | |||
9670 | CGM, ParentName, cast<OMPTargetTeamsDistributeSimdDirective>(E)); | |||
9671 | break; | |||
9672 | case OMPD_target_parallel_for: | |||
9673 | CodeGenFunction::EmitOMPTargetParallelForDeviceFunction( | |||
9674 | CGM, ParentName, cast<OMPTargetParallelForDirective>(E)); | |||
9675 | break; | |||
9676 | case OMPD_target_parallel_for_simd: | |||
9677 | CodeGenFunction::EmitOMPTargetParallelForSimdDeviceFunction( | |||
9678 | CGM, ParentName, cast<OMPTargetParallelForSimdDirective>(E)); | |||
9679 | break; | |||
9680 | case OMPD_target_simd: | |||
9681 | CodeGenFunction::EmitOMPTargetSimdDeviceFunction( | |||
9682 | CGM, ParentName, cast<OMPTargetSimdDirective>(E)); | |||
9683 | break; | |||
9684 | case OMPD_target_teams_distribute_parallel_for: | |||
9685 | CodeGenFunction::EmitOMPTargetTeamsDistributeParallelForDeviceFunction( | |||
9686 | CGM, ParentName, | |||
9687 | cast<OMPTargetTeamsDistributeParallelForDirective>(E)); | |||
9688 | break; | |||
9689 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
9690 | CodeGenFunction:: | |||
9691 | EmitOMPTargetTeamsDistributeParallelForSimdDeviceFunction( | |||
9692 | CGM, ParentName, | |||
9693 | cast<OMPTargetTeamsDistributeParallelForSimdDirective>(E)); | |||
9694 | break; | |||
9695 | case OMPD_parallel: | |||
9696 | case OMPD_for: | |||
9697 | case OMPD_parallel_for: | |||
9698 | case OMPD_parallel_master: | |||
9699 | case OMPD_parallel_sections: | |||
9700 | case OMPD_for_simd: | |||
9701 | case OMPD_parallel_for_simd: | |||
9702 | case OMPD_cancel: | |||
9703 | case OMPD_cancellation_point: | |||
9704 | case OMPD_ordered: | |||
9705 | case OMPD_threadprivate: | |||
9706 | case OMPD_allocate: | |||
9707 | case OMPD_task: | |||
9708 | case OMPD_simd: | |||
9709 | case OMPD_sections: | |||
9710 | case OMPD_section: | |||
9711 | case OMPD_single: | |||
9712 | case OMPD_master: | |||
9713 | case OMPD_critical: | |||
9714 | case OMPD_taskyield: | |||
9715 | case OMPD_barrier: | |||
9716 | case OMPD_taskwait: | |||
9717 | case OMPD_taskgroup: | |||
9718 | case OMPD_atomic: | |||
9719 | case OMPD_flush: | |||
9720 | case OMPD_depobj: | |||
9721 | case OMPD_teams: | |||
9722 | case OMPD_target_data: | |||
9723 | case OMPD_target_exit_data: | |||
9724 | case OMPD_target_enter_data: | |||
9725 | case OMPD_distribute: | |||
9726 | case OMPD_distribute_simd: | |||
9727 | case OMPD_distribute_parallel_for: | |||
9728 | case OMPD_distribute_parallel_for_simd: | |||
9729 | case OMPD_teams_distribute: | |||
9730 | case OMPD_teams_distribute_simd: | |||
9731 | case OMPD_teams_distribute_parallel_for: | |||
9732 | case OMPD_teams_distribute_parallel_for_simd: | |||
9733 | case OMPD_target_update: | |||
9734 | case OMPD_declare_simd: | |||
9735 | case OMPD_declare_variant: | |||
9736 | case OMPD_declare_target: | |||
9737 | case OMPD_end_declare_target: | |||
9738 | case OMPD_declare_reduction: | |||
9739 | case OMPD_declare_mapper: | |||
9740 | case OMPD_taskloop: | |||
9741 | case OMPD_taskloop_simd: | |||
9742 | case OMPD_master_taskloop: | |||
9743 | case OMPD_master_taskloop_simd: | |||
9744 | case OMPD_parallel_master_taskloop: | |||
9745 | case OMPD_parallel_master_taskloop_simd: | |||
9746 | case OMPD_requires: | |||
9747 | case OMPD_unknown: | |||
9748 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9748); | |||
9749 | } | |||
9750 | return; | |||
9751 | } | |||
9752 | ||||
9753 | if (const auto *E = dyn_cast<OMPExecutableDirective>(S)) { | |||
9754 | if (!E->hasAssociatedStmt() || !E->getAssociatedStmt()) | |||
9755 | return; | |||
9756 | ||||
9757 | scanForTargetRegionsFunctions( | |||
9758 | E->getInnermostCapturedStmt()->getCapturedStmt(), ParentName); | |||
9759 | return; | |||
9760 | } | |||
9761 | ||||
9762 | // If this is a lambda function, look into its body. | |||
9763 | if (const auto *L = dyn_cast<LambdaExpr>(S)) | |||
9764 | S = L->getBody(); | |||
9765 | ||||
9766 | // Keep looking for target regions recursively. | |||
9767 | for (const Stmt *II : S->children()) | |||
9768 | scanForTargetRegionsFunctions(II, ParentName); | |||
9769 | } | |||
9770 | ||||
9771 | bool CGOpenMPRuntime::emitTargetFunctions(GlobalDecl GD) { | |||
9772 | // If emitting code for the host, we do not process FD here. Instead we do | |||
9773 | // the normal code generation. | |||
9774 | if (!CGM.getLangOpts().OpenMPIsDevice) { | |||
9775 | if (const auto *FD = dyn_cast<FunctionDecl>(GD.getDecl())) { | |||
9776 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
9777 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
9778 | // Do not emit device_type(nohost) functions for the host. | |||
9779 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | |||
9780 | return true; | |||
9781 | } | |||
9782 | return false; | |||
9783 | } | |||
9784 | ||||
9785 | const ValueDecl *VD = cast<ValueDecl>(GD.getDecl()); | |||
9786 | // Try to detect target regions in the function. | |||
9787 | if (const auto *FD = dyn_cast<FunctionDecl>(VD)) { | |||
9788 | StringRef Name = CGM.getMangledName(GD); | |||
9789 | scanForTargetRegionsFunctions(FD->getBody(), Name); | |||
9790 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
9791 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
9792 | // Do not emit device_type(nohost) functions for the host. | |||
9793 | if (DevTy && *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | |||
9794 | return true; | |||
9795 | } | |||
9796 | ||||
9797 | // Do not to emit function if it is not marked as declare target. | |||
9798 | return !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) && | |||
9799 | AlreadyEmittedTargetDecls.count(VD) == 0; | |||
9800 | } | |||
9801 | ||||
9802 | bool CGOpenMPRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | |||
9803 | if (!CGM.getLangOpts().OpenMPIsDevice) | |||
9804 | return false; | |||
9805 | ||||
9806 | // Check if there are Ctors/Dtors in this declaration and look for target | |||
9807 | // regions in it. We use the complete variant to produce the kernel name | |||
9808 | // mangling. | |||
9809 | QualType RDTy = cast<VarDecl>(GD.getDecl())->getType(); | |||
9810 | if (const auto *RD = RDTy->getBaseElementTypeUnsafe()->getAsCXXRecordDecl()) { | |||
9811 | for (const CXXConstructorDecl *Ctor : RD->ctors()) { | |||
9812 | StringRef ParentName = | |||
9813 | CGM.getMangledName(GlobalDecl(Ctor, Ctor_Complete)); | |||
9814 | scanForTargetRegionsFunctions(Ctor->getBody(), ParentName); | |||
9815 | } | |||
9816 | if (const CXXDestructorDecl *Dtor = RD->getDestructor()) { | |||
9817 | StringRef ParentName = | |||
9818 | CGM.getMangledName(GlobalDecl(Dtor, Dtor_Complete)); | |||
9819 | scanForTargetRegionsFunctions(Dtor->getBody(), ParentName); | |||
9820 | } | |||
9821 | } | |||
9822 | ||||
9823 | // Do not to emit variable if it is not marked as declare target. | |||
9824 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
9825 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( | |||
9826 | cast<VarDecl>(GD.getDecl())); | |||
9827 | if (!Res || *Res == OMPDeclareTargetDeclAttr::MT_Link || | |||
9828 | (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
9829 | HasRequiresUnifiedSharedMemory)) { | |||
9830 | DeferredGlobalVariables.insert(cast<VarDecl>(GD.getDecl())); | |||
9831 | return true; | |||
9832 | } | |||
9833 | return false; | |||
9834 | } | |||
9835 | ||||
9836 | llvm::Constant * | |||
9837 | CGOpenMPRuntime::registerTargetFirstprivateCopy(CodeGenFunction &CGF, | |||
9838 | const VarDecl *VD) { | |||
9839 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9840, __PRETTY_FUNCTION__)) | |||
9840 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9840, __PRETTY_FUNCTION__)); | |||
9841 | StringRef VarName; | |||
9842 | llvm::Constant *Addr; | |||
9843 | llvm::GlobalValue::LinkageTypes Linkage; | |||
9844 | QualType Ty = VD->getType(); | |||
9845 | SmallString<128> Buffer; | |||
9846 | { | |||
9847 | unsigned DeviceID; | |||
9848 | unsigned FileID; | |||
9849 | unsigned Line; | |||
9850 | getTargetEntryUniqueInfo(CGM.getContext(), VD->getLocation(), DeviceID, | |||
9851 | FileID, Line); | |||
9852 | llvm::raw_svector_ostream OS(Buffer); | |||
9853 | OS << "__omp_offloading_firstprivate_" << llvm::format("_%x", DeviceID) | |||
9854 | << llvm::format("_%x_", FileID) << VD->getName() << "_l" << Line; | |||
9855 | VarName = OS.str(); | |||
9856 | } | |||
9857 | Linkage = llvm::GlobalValue::InternalLinkage; | |||
9858 | Addr = | |||
9859 | getOrCreateInternalVariable(CGM.getTypes().ConvertTypeForMem(Ty), VarName, | |||
9860 | getDefaultFirstprivateAddressSpace()); | |||
9861 | cast<llvm::GlobalValue>(Addr)->setLinkage(Linkage); | |||
9862 | CharUnits VarSize = CGM.getContext().getTypeSizeInChars(Ty); | |||
9863 | CGM.addCompilerUsedGlobal(cast<llvm::GlobalValue>(Addr)); | |||
9864 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | |||
9865 | VarName, Addr, VarSize, | |||
9866 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo, Linkage); | |||
9867 | return Addr; | |||
9868 | } | |||
9869 | ||||
9870 | void CGOpenMPRuntime::registerTargetGlobalVariable(const VarDecl *VD, | |||
9871 | llvm::Constant *Addr) { | |||
9872 | if (CGM.getLangOpts().OMPTargetTriples.empty() && | |||
9873 | !CGM.getLangOpts().OpenMPIsDevice) | |||
9874 | return; | |||
9875 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
9876 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
9877 | if (!Res) { | |||
9878 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
9879 | // Register non-target variables being emitted in device code (debug info | |||
9880 | // may cause this). | |||
9881 | StringRef VarName = CGM.getMangledName(VD); | |||
9882 | EmittedNonTargetVariables.try_emplace(VarName, Addr); | |||
9883 | } | |||
9884 | return; | |||
9885 | } | |||
9886 | // Register declare target variables. | |||
9887 | OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryKind Flags; | |||
9888 | StringRef VarName; | |||
9889 | CharUnits VarSize; | |||
9890 | llvm::GlobalValue::LinkageTypes Linkage; | |||
9891 | ||||
9892 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
9893 | !HasRequiresUnifiedSharedMemory) { | |||
9894 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | |||
9895 | VarName = CGM.getMangledName(VD); | |||
9896 | if (VD->hasDefinition(CGM.getContext()) != VarDecl::DeclarationOnly) { | |||
9897 | VarSize = CGM.getContext().getTypeSizeInChars(VD->getType()); | |||
9898 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9898, __PRETTY_FUNCTION__)); | |||
9899 | } else { | |||
9900 | VarSize = CharUnits::Zero(); | |||
9901 | } | |||
9902 | Linkage = CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false); | |||
9903 | // Temp solution to prevent optimizations of the internal variables. | |||
9904 | if (CGM.getLangOpts().OpenMPIsDevice && !VD->isExternallyVisible()) { | |||
9905 | std::string RefName = getName({VarName, "ref"}); | |||
9906 | if (!CGM.GetGlobalValue(RefName)) { | |||
9907 | llvm::Constant *AddrRef = | |||
9908 | getOrCreateInternalVariable(Addr->getType(), RefName); | |||
9909 | auto *GVAddrRef = cast<llvm::GlobalVariable>(AddrRef); | |||
9910 | GVAddrRef->setConstant(/*Val=*/true); | |||
9911 | GVAddrRef->setLinkage(llvm::GlobalValue::InternalLinkage); | |||
9912 | GVAddrRef->setInitializer(Addr); | |||
9913 | CGM.addCompilerUsedGlobal(GVAddrRef); | |||
9914 | } | |||
9915 | } | |||
9916 | } else { | |||
9917 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9920, __PRETTY_FUNCTION__)) | |||
9918 | (*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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9920, __PRETTY_FUNCTION__)) | |||
9919 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9920, __PRETTY_FUNCTION__)) | |||
9920 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9920, __PRETTY_FUNCTION__)); | |||
9921 | if (*Res == OMPDeclareTargetDeclAttr::MT_Link) | |||
9922 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryLink; | |||
9923 | else | |||
9924 | Flags = OffloadEntriesInfoManagerTy::OMPTargetGlobalVarEntryTo; | |||
9925 | ||||
9926 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
9927 | VarName = Addr->getName(); | |||
9928 | Addr = nullptr; | |||
9929 | } else { | |||
9930 | VarName = getAddrOfDeclareTargetVar(VD).getName(); | |||
9931 | Addr = cast<llvm::Constant>(getAddrOfDeclareTargetVar(VD).getPointer()); | |||
9932 | } | |||
9933 | VarSize = CGM.getPointerSize(); | |||
9934 | Linkage = llvm::GlobalValue::WeakAnyLinkage; | |||
9935 | } | |||
9936 | ||||
9937 | OffloadEntriesInfoManager.registerDeviceGlobalVarEntryInfo( | |||
9938 | VarName, Addr, VarSize, Flags, Linkage); | |||
9939 | } | |||
9940 | ||||
9941 | bool CGOpenMPRuntime::emitTargetGlobal(GlobalDecl GD) { | |||
9942 | if (isa<FunctionDecl>(GD.getDecl()) || | |||
9943 | isa<OMPDeclareReductionDecl>(GD.getDecl())) | |||
9944 | return emitTargetFunctions(GD); | |||
9945 | ||||
9946 | return emitTargetGlobalVariable(GD); | |||
9947 | } | |||
9948 | ||||
9949 | void CGOpenMPRuntime::emitDeferredTargetDecls() const { | |||
9950 | for (const VarDecl *VD : DeferredGlobalVariables) { | |||
9951 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
9952 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
9953 | if (!Res) | |||
9954 | continue; | |||
9955 | if (*Res == OMPDeclareTargetDeclAttr::MT_To && | |||
9956 | !HasRequiresUnifiedSharedMemory) { | |||
9957 | CGM.EmitGlobal(VD); | |||
9958 | } else { | |||
9959 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9962, __PRETTY_FUNCTION__)) | |||
9960 | (*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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9962, __PRETTY_FUNCTION__)) | |||
9961 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9962, __PRETTY_FUNCTION__)) | |||
9962 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9962, __PRETTY_FUNCTION__)); | |||
9963 | (void)CGM.getOpenMPRuntime().getAddrOfDeclareTargetVar(VD); | |||
9964 | } | |||
9965 | } | |||
9966 | } | |||
9967 | ||||
9968 | void CGOpenMPRuntime::adjustTargetSpecificDataForLambdas( | |||
9969 | CodeGenFunction &CGF, const OMPExecutableDirective &D) const { | |||
9970 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9971, __PRETTY_FUNCTION__)) | |||
9971 | " 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 9971, __PRETTY_FUNCTION__)); | |||
9972 | } | |||
9973 | ||||
9974 | void CGOpenMPRuntime::processRequiresDirective(const OMPRequiresDecl *D) { | |||
9975 | for (const OMPClause *Clause : D->clauselists()) { | |||
9976 | if (Clause->getClauseKind() == OMPC_unified_shared_memory) { | |||
9977 | HasRequiresUnifiedSharedMemory = true; | |||
9978 | } else if (const auto *AC = | |||
9979 | dyn_cast<OMPAtomicDefaultMemOrderClause>(Clause)) { | |||
9980 | switch (AC->getAtomicDefaultMemOrderKind()) { | |||
9981 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_acq_rel: | |||
9982 | RequiresAtomicOrdering = llvm::AtomicOrdering::AcquireRelease; | |||
9983 | break; | |||
9984 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_seq_cst: | |||
9985 | RequiresAtomicOrdering = llvm::AtomicOrdering::SequentiallyConsistent; | |||
9986 | break; | |||
9987 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_relaxed: | |||
9988 | RequiresAtomicOrdering = llvm::AtomicOrdering::Monotonic; | |||
9989 | break; | |||
9990 | case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown: | |||
9991 | break; | |||
9992 | } | |||
9993 | } | |||
9994 | } | |||
9995 | } | |||
9996 | ||||
9997 | llvm::AtomicOrdering CGOpenMPRuntime::getDefaultMemoryOrdering() const { | |||
9998 | return RequiresAtomicOrdering; | |||
9999 | } | |||
10000 | ||||
10001 | bool CGOpenMPRuntime::hasAllocateAttributeForGlobalVar(const VarDecl *VD, | |||
10002 | LangAS &AS) { | |||
10003 | if (!VD || !VD->hasAttr<OMPAllocateDeclAttr>()) | |||
10004 | return false; | |||
10005 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | |||
10006 | switch(A->getAllocatorType()) { | |||
10007 | case OMPAllocateDeclAttr::OMPDefaultMemAlloc: | |||
10008 | // Not supported, fallback to the default mem space. | |||
10009 | case OMPAllocateDeclAttr::OMPLargeCapMemAlloc: | |||
10010 | case OMPAllocateDeclAttr::OMPCGroupMemAlloc: | |||
10011 | case OMPAllocateDeclAttr::OMPHighBWMemAlloc: | |||
10012 | case OMPAllocateDeclAttr::OMPLowLatMemAlloc: | |||
10013 | case OMPAllocateDeclAttr::OMPThreadMemAlloc: | |||
10014 | case OMPAllocateDeclAttr::OMPConstMemAlloc: | |||
10015 | case OMPAllocateDeclAttr::OMPPTeamMemAlloc: | |||
10016 | AS = LangAS::Default; | |||
10017 | return true; | |||
10018 | case OMPAllocateDeclAttr::OMPUserDefinedMemAlloc: | |||
10019 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10020) | |||
10020 | "static storage.")::llvm::llvm_unreachable_internal("Expected predefined allocator for the variables with the " "static storage.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10020); | |||
10021 | } | |||
10022 | return false; | |||
10023 | } | |||
10024 | ||||
10025 | bool CGOpenMPRuntime::hasRequiresUnifiedSharedMemory() const { | |||
10026 | return HasRequiresUnifiedSharedMemory; | |||
10027 | } | |||
10028 | ||||
10029 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::DisableAutoDeclareTargetRAII( | |||
10030 | CodeGenModule &CGM) | |||
10031 | : CGM(CGM) { | |||
10032 | if (CGM.getLangOpts().OpenMPIsDevice) { | |||
10033 | SavedShouldMarkAsGlobal = CGM.getOpenMPRuntime().ShouldMarkAsGlobal; | |||
10034 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = false; | |||
10035 | } | |||
10036 | } | |||
10037 | ||||
10038 | CGOpenMPRuntime::DisableAutoDeclareTargetRAII::~DisableAutoDeclareTargetRAII() { | |||
10039 | if (CGM.getLangOpts().OpenMPIsDevice) | |||
10040 | CGM.getOpenMPRuntime().ShouldMarkAsGlobal = SavedShouldMarkAsGlobal; | |||
10041 | } | |||
10042 | ||||
10043 | bool CGOpenMPRuntime::markAsGlobalTarget(GlobalDecl GD) { | |||
10044 | if (!CGM.getLangOpts().OpenMPIsDevice || !ShouldMarkAsGlobal) | |||
10045 | return true; | |||
10046 | ||||
10047 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | |||
10048 | // Do not to emit function if it is marked as declare target as it was already | |||
10049 | // emitted. | |||
10050 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(D)) { | |||
10051 | if (D->hasBody() && AlreadyEmittedTargetDecls.count(D) == 0) { | |||
10052 | if (auto *F = dyn_cast_or_null<llvm::Function>( | |||
10053 | CGM.GetGlobalValue(CGM.getMangledName(GD)))) | |||
10054 | return !F->isDeclaration(); | |||
10055 | return false; | |||
10056 | } | |||
10057 | return true; | |||
10058 | } | |||
10059 | ||||
10060 | return !AlreadyEmittedTargetDecls.insert(D).second; | |||
10061 | } | |||
10062 | ||||
10063 | llvm::Function *CGOpenMPRuntime::emitRequiresDirectiveRegFun() { | |||
10064 | // If we don't have entries or if we are emitting code for the device, we | |||
10065 | // don't need to do anything. | |||
10066 | if (CGM.getLangOpts().OMPTargetTriples.empty() || | |||
10067 | CGM.getLangOpts().OpenMPSimd || CGM.getLangOpts().OpenMPIsDevice || | |||
10068 | (OffloadEntriesInfoManager.empty() && | |||
10069 | !HasEmittedDeclareTargetRegion && | |||
10070 | !HasEmittedTargetRegion)) | |||
10071 | return nullptr; | |||
10072 | ||||
10073 | // Create and register the function that handles the requires directives. | |||
10074 | ASTContext &C = CGM.getContext(); | |||
10075 | ||||
10076 | llvm::Function *RequiresRegFn; | |||
10077 | { | |||
10078 | CodeGenFunction CGF(CGM); | |||
10079 | const auto &FI = CGM.getTypes().arrangeNullaryFunction(); | |||
10080 | llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI); | |||
10081 | std::string ReqName = getName({"omp_offloading", "requires_reg"}); | |||
10082 | RequiresRegFn = CGM.CreateGlobalInitOrDestructFunction(FTy, ReqName, FI); | |||
10083 | CGF.StartFunction(GlobalDecl(), C.VoidTy, RequiresRegFn, FI, {}); | |||
10084 | OpenMPOffloadingRequiresDirFlags Flags = OMP_REQ_NONE; | |||
10085 | // TODO: check for other requires clauses. | |||
10086 | // The requires directive takes effect only when a target region is | |||
10087 | // present in the compilation unit. Otherwise it is ignored and not | |||
10088 | // passed to the runtime. This avoids the runtime from throwing an error | |||
10089 | // for mismatching requires clauses across compilation units that don't | |||
10090 | // contain at least 1 target region. | |||
10091 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10094, __PRETTY_FUNCTION__)) | |||
10092 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10094, __PRETTY_FUNCTION__)) | |||
10093 | !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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10094, __PRETTY_FUNCTION__)) | |||
10094 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10094, __PRETTY_FUNCTION__)); | |||
10095 | if (HasRequiresUnifiedSharedMemory) | |||
10096 | Flags = OMP_REQ_UNIFIED_SHARED_MEMORY; | |||
10097 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_register_requires), | |||
10098 | llvm::ConstantInt::get(CGM.Int64Ty, Flags)); | |||
10099 | CGF.FinishFunction(); | |||
10100 | } | |||
10101 | return RequiresRegFn; | |||
10102 | } | |||
10103 | ||||
10104 | void CGOpenMPRuntime::emitTeamsCall(CodeGenFunction &CGF, | |||
10105 | const OMPExecutableDirective &D, | |||
10106 | SourceLocation Loc, | |||
10107 | llvm::Function *OutlinedFn, | |||
10108 | ArrayRef<llvm::Value *> CapturedVars) { | |||
10109 | if (!CGF.HaveInsertPoint()) | |||
10110 | return; | |||
10111 | ||||
10112 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
10113 | CodeGenFunction::RunCleanupsScope Scope(CGF); | |||
10114 | ||||
10115 | // Build call __kmpc_fork_teams(loc, n, microtask, var1, .., varn); | |||
10116 | llvm::Value *Args[] = { | |||
10117 | RTLoc, | |||
10118 | CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars | |||
10119 | CGF.Builder.CreateBitCast(OutlinedFn, getKmpc_MicroPointerTy())}; | |||
10120 | llvm::SmallVector<llvm::Value *, 16> RealArgs; | |||
10121 | RealArgs.append(std::begin(Args), std::end(Args)); | |||
10122 | RealArgs.append(CapturedVars.begin(), CapturedVars.end()); | |||
10123 | ||||
10124 | llvm::FunctionCallee RTLFn = createRuntimeFunction(OMPRTL__kmpc_fork_teams); | |||
10125 | CGF.EmitRuntimeCall(RTLFn, RealArgs); | |||
10126 | } | |||
10127 | ||||
10128 | void CGOpenMPRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | |||
10129 | const Expr *NumTeams, | |||
10130 | const Expr *ThreadLimit, | |||
10131 | SourceLocation Loc) { | |||
10132 | if (!CGF.HaveInsertPoint()) | |||
10133 | return; | |||
10134 | ||||
10135 | llvm::Value *RTLoc = emitUpdateLocation(CGF, Loc); | |||
10136 | ||||
10137 | llvm::Value *NumTeamsVal = | |||
10138 | NumTeams | |||
10139 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(NumTeams), | |||
10140 | CGF.CGM.Int32Ty, /* isSigned = */ true) | |||
10141 | : CGF.Builder.getInt32(0); | |||
10142 | ||||
10143 | llvm::Value *ThreadLimitVal = | |||
10144 | ThreadLimit | |||
10145 | ? CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(ThreadLimit), | |||
10146 | CGF.CGM.Int32Ty, /* isSigned = */ true) | |||
10147 | : CGF.Builder.getInt32(0); | |||
10148 | ||||
10149 | // Build call __kmpc_push_num_teamss(&loc, global_tid, num_teams, thread_limit) | |||
10150 | llvm::Value *PushNumTeamsArgs[] = {RTLoc, getThreadID(CGF, Loc), NumTeamsVal, | |||
10151 | ThreadLimitVal}; | |||
10152 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_num_teams), | |||
10153 | PushNumTeamsArgs); | |||
10154 | } | |||
10155 | ||||
10156 | void CGOpenMPRuntime::emitTargetDataCalls( | |||
10157 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
10158 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | |||
10159 | if (!CGF.HaveInsertPoint()) | |||
10160 | return; | |||
10161 | ||||
10162 | // Action used to replace the default codegen action and turn privatization | |||
10163 | // off. | |||
10164 | PrePostActionTy NoPrivAction; | |||
10165 | ||||
10166 | // Generate the code for the opening of the data environment. Capture all the | |||
10167 | // arguments of the runtime call by reference because they are used in the | |||
10168 | // closing of the region. | |||
10169 | auto &&BeginThenGen = [this, &D, Device, &Info, | |||
10170 | &CodeGen](CodeGenFunction &CGF, PrePostActionTy &) { | |||
10171 | // Fill up the arrays with all the mapped variables. | |||
10172 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | |||
10173 | MappableExprsHandler::MapValuesArrayTy Pointers; | |||
10174 | MappableExprsHandler::MapValuesArrayTy Sizes; | |||
10175 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | |||
10176 | ||||
10177 | // Get map clause information. | |||
10178 | MappableExprsHandler MCHandler(D, CGF); | |||
10179 | MCHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes); | |||
10180 | ||||
10181 | // Fill up the arrays and create the arguments. | |||
10182 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | |||
10183 | ||||
10184 | llvm::Value *BasePointersArrayArg = nullptr; | |||
10185 | llvm::Value *PointersArrayArg = nullptr; | |||
10186 | llvm::Value *SizesArrayArg = nullptr; | |||
10187 | llvm::Value *MapTypesArrayArg = nullptr; | |||
10188 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | |||
10189 | SizesArrayArg, MapTypesArrayArg, Info); | |||
10190 | ||||
10191 | // Emit device ID if any. | |||
10192 | llvm::Value *DeviceID = nullptr; | |||
10193 | if (Device) { | |||
10194 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10195 | CGF.Int64Ty, /*isSigned=*/true); | |||
10196 | } else { | |||
10197 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10198 | } | |||
10199 | ||||
10200 | // Emit the number of elements in the offloading arrays. | |||
10201 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | |||
10202 | ||||
10203 | llvm::Value *OffloadingArgs[] = { | |||
10204 | DeviceID, PointerNum, BasePointersArrayArg, | |||
10205 | PointersArrayArg, SizesArrayArg, MapTypesArrayArg}; | |||
10206 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_target_data_begin), | |||
10207 | OffloadingArgs); | |||
10208 | ||||
10209 | // If device pointer privatization is required, emit the body of the region | |||
10210 | // here. It will have to be duplicated: with and without privatization. | |||
10211 | if (!Info.CaptureDeviceAddrMap.empty()) | |||
10212 | CodeGen(CGF); | |||
10213 | }; | |||
10214 | ||||
10215 | // Generate code for the closing of the data region. | |||
10216 | auto &&EndThenGen = [this, Device, &Info](CodeGenFunction &CGF, | |||
10217 | PrePostActionTy &) { | |||
10218 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10218, __PRETTY_FUNCTION__)); | |||
10219 | ||||
10220 | llvm::Value *BasePointersArrayArg = nullptr; | |||
10221 | llvm::Value *PointersArrayArg = nullptr; | |||
10222 | llvm::Value *SizesArrayArg = nullptr; | |||
10223 | llvm::Value *MapTypesArrayArg = nullptr; | |||
10224 | emitOffloadingArraysArgument(CGF, BasePointersArrayArg, PointersArrayArg, | |||
10225 | SizesArrayArg, MapTypesArrayArg, Info); | |||
10226 | ||||
10227 | // Emit device ID if any. | |||
10228 | llvm::Value *DeviceID = nullptr; | |||
10229 | if (Device) { | |||
10230 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10231 | CGF.Int64Ty, /*isSigned=*/true); | |||
10232 | } else { | |||
10233 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10234 | } | |||
10235 | ||||
10236 | // Emit the number of elements in the offloading arrays. | |||
10237 | llvm::Value *PointerNum = CGF.Builder.getInt32(Info.NumberOfPtrs); | |||
10238 | ||||
10239 | llvm::Value *OffloadingArgs[] = { | |||
10240 | DeviceID, PointerNum, BasePointersArrayArg, | |||
10241 | PointersArrayArg, SizesArrayArg, MapTypesArrayArg}; | |||
10242 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__tgt_target_data_end), | |||
10243 | OffloadingArgs); | |||
10244 | }; | |||
10245 | ||||
10246 | // If we need device pointer privatization, we need to emit the body of the | |||
10247 | // region with no privatization in the 'else' branch of the conditional. | |||
10248 | // Otherwise, we don't have to do anything. | |||
10249 | auto &&BeginElseGen = [&Info, &CodeGen, &NoPrivAction](CodeGenFunction &CGF, | |||
10250 | PrePostActionTy &) { | |||
10251 | if (!Info.CaptureDeviceAddrMap.empty()) { | |||
10252 | CodeGen.setAction(NoPrivAction); | |||
10253 | CodeGen(CGF); | |||
10254 | } | |||
10255 | }; | |||
10256 | ||||
10257 | // We don't have to do anything to close the region if the if clause evaluates | |||
10258 | // to false. | |||
10259 | auto &&EndElseGen = [](CodeGenFunction &CGF, PrePostActionTy &) {}; | |||
10260 | ||||
10261 | if (IfCond) { | |||
10262 | emitIfClause(CGF, IfCond, BeginThenGen, BeginElseGen); | |||
10263 | } else { | |||
10264 | RegionCodeGenTy RCG(BeginThenGen); | |||
10265 | RCG(CGF); | |||
10266 | } | |||
10267 | ||||
10268 | // If we don't require privatization of device pointers, we emit the body in | |||
10269 | // between the runtime calls. This avoids duplicating the body code. | |||
10270 | if (Info.CaptureDeviceAddrMap.empty()) { | |||
10271 | CodeGen.setAction(NoPrivAction); | |||
10272 | CodeGen(CGF); | |||
10273 | } | |||
10274 | ||||
10275 | if (IfCond) { | |||
10276 | emitIfClause(CGF, IfCond, EndThenGen, EndElseGen); | |||
10277 | } else { | |||
10278 | RegionCodeGenTy RCG(EndThenGen); | |||
10279 | RCG(CGF); | |||
10280 | } | |||
10281 | } | |||
10282 | ||||
10283 | void CGOpenMPRuntime::emitTargetDataStandAloneCall( | |||
10284 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
10285 | const Expr *Device) { | |||
10286 | if (!CGF.HaveInsertPoint()) | |||
10287 | return; | |||
10288 | ||||
10289 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10292, __PRETTY_FUNCTION__)) | |||
10290 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10292, __PRETTY_FUNCTION__)) | |||
10291 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10292, __PRETTY_FUNCTION__)) | |||
10292 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10292, __PRETTY_FUNCTION__)); | |||
10293 | ||||
10294 | CodeGenFunction::OMPTargetDataInfo InputInfo; | |||
10295 | llvm::Value *MapTypesArray = nullptr; | |||
10296 | // Generate the code for the opening of the data environment. | |||
10297 | auto &&ThenGen = [this, &D, Device, &InputInfo, | |||
10298 | &MapTypesArray](CodeGenFunction &CGF, PrePostActionTy &) { | |||
10299 | // Emit device ID if any. | |||
10300 | llvm::Value *DeviceID = nullptr; | |||
10301 | if (Device) { | |||
10302 | DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device), | |||
10303 | CGF.Int64Ty, /*isSigned=*/true); | |||
10304 | } else { | |||
10305 | DeviceID = CGF.Builder.getInt64(OMP_DEVICEID_UNDEF); | |||
10306 | } | |||
10307 | ||||
10308 | // Emit the number of elements in the offloading arrays. | |||
10309 | llvm::Constant *PointerNum = | |||
10310 | CGF.Builder.getInt32(InputInfo.NumberOfTargetItems); | |||
10311 | ||||
10312 | llvm::Value *OffloadingArgs[] = {DeviceID, | |||
10313 | PointerNum, | |||
10314 | InputInfo.BasePointersArray.getPointer(), | |||
10315 | InputInfo.PointersArray.getPointer(), | |||
10316 | InputInfo.SizesArray.getPointer(), | |||
10317 | MapTypesArray}; | |||
10318 | ||||
10319 | // Select the right runtime function call for each expected standalone | |||
10320 | // directive. | |||
10321 | const bool HasNowait = D.hasClausesOfKind<OMPNowaitClause>(); | |||
10322 | OpenMPRTLFunction RTLFn; | |||
10323 | switch (D.getDirectiveKind()) { | |||
10324 | case OMPD_target_enter_data: | |||
10325 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_begin_nowait | |||
10326 | : OMPRTL__tgt_target_data_begin; | |||
10327 | break; | |||
10328 | case OMPD_target_exit_data: | |||
10329 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_end_nowait | |||
10330 | : OMPRTL__tgt_target_data_end; | |||
10331 | break; | |||
10332 | case OMPD_target_update: | |||
10333 | RTLFn = HasNowait ? OMPRTL__tgt_target_data_update_nowait | |||
10334 | : OMPRTL__tgt_target_data_update; | |||
10335 | break; | |||
10336 | case OMPD_parallel: | |||
10337 | case OMPD_for: | |||
10338 | case OMPD_parallel_for: | |||
10339 | case OMPD_parallel_master: | |||
10340 | case OMPD_parallel_sections: | |||
10341 | case OMPD_for_simd: | |||
10342 | case OMPD_parallel_for_simd: | |||
10343 | case OMPD_cancel: | |||
10344 | case OMPD_cancellation_point: | |||
10345 | case OMPD_ordered: | |||
10346 | case OMPD_threadprivate: | |||
10347 | case OMPD_allocate: | |||
10348 | case OMPD_task: | |||
10349 | case OMPD_simd: | |||
10350 | case OMPD_sections: | |||
10351 | case OMPD_section: | |||
10352 | case OMPD_single: | |||
10353 | case OMPD_master: | |||
10354 | case OMPD_critical: | |||
10355 | case OMPD_taskyield: | |||
10356 | case OMPD_barrier: | |||
10357 | case OMPD_taskwait: | |||
10358 | case OMPD_taskgroup: | |||
10359 | case OMPD_atomic: | |||
10360 | case OMPD_flush: | |||
10361 | case OMPD_depobj: | |||
10362 | case OMPD_teams: | |||
10363 | case OMPD_target_data: | |||
10364 | case OMPD_distribute: | |||
10365 | case OMPD_distribute_simd: | |||
10366 | case OMPD_distribute_parallel_for: | |||
10367 | case OMPD_distribute_parallel_for_simd: | |||
10368 | case OMPD_teams_distribute: | |||
10369 | case OMPD_teams_distribute_simd: | |||
10370 | case OMPD_teams_distribute_parallel_for: | |||
10371 | case OMPD_teams_distribute_parallel_for_simd: | |||
10372 | case OMPD_declare_simd: | |||
10373 | case OMPD_declare_variant: | |||
10374 | case OMPD_declare_target: | |||
10375 | case OMPD_end_declare_target: | |||
10376 | case OMPD_declare_reduction: | |||
10377 | case OMPD_declare_mapper: | |||
10378 | case OMPD_taskloop: | |||
10379 | case OMPD_taskloop_simd: | |||
10380 | case OMPD_master_taskloop: | |||
10381 | case OMPD_master_taskloop_simd: | |||
10382 | case OMPD_parallel_master_taskloop: | |||
10383 | case OMPD_parallel_master_taskloop_simd: | |||
10384 | case OMPD_target: | |||
10385 | case OMPD_target_simd: | |||
10386 | case OMPD_target_teams_distribute: | |||
10387 | case OMPD_target_teams_distribute_simd: | |||
10388 | case OMPD_target_teams_distribute_parallel_for: | |||
10389 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10390 | case OMPD_target_teams: | |||
10391 | case OMPD_target_parallel: | |||
10392 | case OMPD_target_parallel_for: | |||
10393 | case OMPD_target_parallel_for_simd: | |||
10394 | case OMPD_requires: | |||
10395 | case OMPD_unknown: | |||
10396 | llvm_unreachable("Unexpected standalone target data directive.")::llvm::llvm_unreachable_internal("Unexpected standalone target data directive." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10396); | |||
10397 | break; | |||
10398 | } | |||
10399 | CGF.EmitRuntimeCall(createRuntimeFunction(RTLFn), OffloadingArgs); | |||
10400 | }; | |||
10401 | ||||
10402 | auto &&TargetThenGen = [this, &ThenGen, &D, &InputInfo, &MapTypesArray]( | |||
10403 | CodeGenFunction &CGF, PrePostActionTy &) { | |||
10404 | // Fill up the arrays with all the mapped variables. | |||
10405 | MappableExprsHandler::MapBaseValuesArrayTy BasePointers; | |||
10406 | MappableExprsHandler::MapValuesArrayTy Pointers; | |||
10407 | MappableExprsHandler::MapValuesArrayTy Sizes; | |||
10408 | MappableExprsHandler::MapFlagsArrayTy MapTypes; | |||
10409 | ||||
10410 | // Get map clause information. | |||
10411 | MappableExprsHandler MEHandler(D, CGF); | |||
10412 | MEHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes); | |||
10413 | ||||
10414 | TargetDataInfo Info; | |||
10415 | // Fill up the arrays and create the arguments. | |||
10416 | emitOffloadingArrays(CGF, BasePointers, Pointers, Sizes, MapTypes, Info); | |||
10417 | emitOffloadingArraysArgument(CGF, Info.BasePointersArray, | |||
10418 | Info.PointersArray, Info.SizesArray, | |||
10419 | Info.MapTypesArray, Info); | |||
10420 | InputInfo.NumberOfTargetItems = Info.NumberOfPtrs; | |||
10421 | InputInfo.BasePointersArray = | |||
10422 | Address(Info.BasePointersArray, CGM.getPointerAlign()); | |||
10423 | InputInfo.PointersArray = | |||
10424 | Address(Info.PointersArray, CGM.getPointerAlign()); | |||
10425 | InputInfo.SizesArray = | |||
10426 | Address(Info.SizesArray, CGM.getPointerAlign()); | |||
10427 | MapTypesArray = Info.MapTypesArray; | |||
10428 | if (D.hasClausesOfKind<OMPDependClause>()) | |||
10429 | CGF.EmitOMPTargetTaskBasedDirective(D, ThenGen, InputInfo); | |||
10430 | else | |||
10431 | emitInlinedDirective(CGF, D.getDirectiveKind(), ThenGen); | |||
10432 | }; | |||
10433 | ||||
10434 | if (IfCond) { | |||
10435 | emitIfClause(CGF, IfCond, TargetThenGen, | |||
10436 | [](CodeGenFunction &CGF, PrePostActionTy &) {}); | |||
10437 | } else { | |||
10438 | RegionCodeGenTy ThenRCG(TargetThenGen); | |||
10439 | ThenRCG(CGF); | |||
10440 | } | |||
10441 | } | |||
10442 | ||||
10443 | namespace { | |||
10444 | /// Kind of parameter in a function with 'declare simd' directive. | |||
10445 | enum ParamKindTy { LinearWithVarStride, Linear, Uniform, Vector }; | |||
10446 | /// Attribute set of the parameter. | |||
10447 | struct ParamAttrTy { | |||
10448 | ParamKindTy Kind = Vector; | |||
10449 | llvm::APSInt StrideOrArg; | |||
10450 | llvm::APSInt Alignment; | |||
10451 | }; | |||
10452 | } // namespace | |||
10453 | ||||
10454 | static unsigned evaluateCDTSize(const FunctionDecl *FD, | |||
10455 | ArrayRef<ParamAttrTy> ParamAttrs) { | |||
10456 | // Every vector variant of a SIMD-enabled function has a vector length (VLEN). | |||
10457 | // If OpenMP clause "simdlen" is used, the VLEN is the value of the argument | |||
10458 | // of that clause. The VLEN value must be power of 2. | |||
10459 | // In other case the notion of the function`s "characteristic data type" (CDT) | |||
10460 | // is used to compute the vector length. | |||
10461 | // CDT is defined in the following order: | |||
10462 | // a) For non-void function, the CDT is the return type. | |||
10463 | // b) If the function has any non-uniform, non-linear parameters, then the | |||
10464 | // CDT is the type of the first such parameter. | |||
10465 | // c) If the CDT determined by a) or b) above is struct, union, or class | |||
10466 | // type which is pass-by-value (except for the type that maps to the | |||
10467 | // built-in complex data type), the characteristic data type is int. | |||
10468 | // d) If none of the above three cases is applicable, the CDT is int. | |||
10469 | // The VLEN is then determined based on the CDT and the size of vector | |||
10470 | // register of that ISA for which current vector version is generated. The | |||
10471 | // VLEN is computed using the formula below: | |||
10472 | // VLEN = sizeof(vector_register) / sizeof(CDT), | |||
10473 | // where vector register size specified in section 3.2.1 Registers and the | |||
10474 | // Stack Frame of original AMD64 ABI document. | |||
10475 | QualType RetType = FD->getReturnType(); | |||
10476 | if (RetType.isNull()) | |||
10477 | return 0; | |||
10478 | ASTContext &C = FD->getASTContext(); | |||
10479 | QualType CDT; | |||
10480 | if (!RetType.isNull() && !RetType->isVoidType()) { | |||
10481 | CDT = RetType; | |||
10482 | } else { | |||
10483 | unsigned Offset = 0; | |||
10484 | if (const auto *MD = dyn_cast<CXXMethodDecl>(FD)) { | |||
10485 | if (ParamAttrs[Offset].Kind == Vector) | |||
10486 | CDT = C.getPointerType(C.getRecordType(MD->getParent())); | |||
10487 | ++Offset; | |||
10488 | } | |||
10489 | if (CDT.isNull()) { | |||
10490 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | |||
10491 | if (ParamAttrs[I + Offset].Kind == Vector) { | |||
10492 | CDT = FD->getParamDecl(I)->getType(); | |||
10493 | break; | |||
10494 | } | |||
10495 | } | |||
10496 | } | |||
10497 | } | |||
10498 | if (CDT.isNull()) | |||
10499 | CDT = C.IntTy; | |||
10500 | CDT = CDT->getCanonicalTypeUnqualified(); | |||
10501 | if (CDT->isRecordType() || CDT->isUnionType()) | |||
10502 | CDT = C.IntTy; | |||
10503 | return C.getTypeSize(CDT); | |||
10504 | } | |||
10505 | ||||
10506 | static void | |||
10507 | emitX86DeclareSimdFunction(const FunctionDecl *FD, llvm::Function *Fn, | |||
10508 | const llvm::APSInt &VLENVal, | |||
10509 | ArrayRef<ParamAttrTy> ParamAttrs, | |||
10510 | OMPDeclareSimdDeclAttr::BranchStateTy State) { | |||
10511 | struct ISADataTy { | |||
10512 | char ISA; | |||
10513 | unsigned VecRegSize; | |||
10514 | }; | |||
10515 | ISADataTy ISAData[] = { | |||
10516 | { | |||
10517 | 'b', 128 | |||
10518 | }, // SSE | |||
10519 | { | |||
10520 | 'c', 256 | |||
10521 | }, // AVX | |||
10522 | { | |||
10523 | 'd', 256 | |||
10524 | }, // AVX2 | |||
10525 | { | |||
10526 | 'e', 512 | |||
10527 | }, // AVX512 | |||
10528 | }; | |||
10529 | llvm::SmallVector<char, 2> Masked; | |||
10530 | switch (State) { | |||
10531 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
10532 | Masked.push_back('N'); | |||
10533 | Masked.push_back('M'); | |||
10534 | break; | |||
10535 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
10536 | Masked.push_back('N'); | |||
10537 | break; | |||
10538 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
10539 | Masked.push_back('M'); | |||
10540 | break; | |||
10541 | } | |||
10542 | for (char Mask : Masked) { | |||
10543 | for (const ISADataTy &Data : ISAData) { | |||
10544 | SmallString<256> Buffer; | |||
10545 | llvm::raw_svector_ostream Out(Buffer); | |||
10546 | Out << "_ZGV" << Data.ISA << Mask; | |||
10547 | if (!VLENVal) { | |||
10548 | unsigned NumElts = evaluateCDTSize(FD, ParamAttrs); | |||
10549 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10549, __PRETTY_FUNCTION__)); | |||
10550 | Out << llvm::APSInt::getUnsigned(Data.VecRegSize / NumElts); | |||
10551 | } else { | |||
10552 | Out << VLENVal; | |||
10553 | } | |||
10554 | for (const ParamAttrTy &ParamAttr : ParamAttrs) { | |||
10555 | switch (ParamAttr.Kind){ | |||
10556 | case LinearWithVarStride: | |||
10557 | Out << 's' << ParamAttr.StrideOrArg; | |||
10558 | break; | |||
10559 | case Linear: | |||
10560 | Out << 'l'; | |||
10561 | if (!!ParamAttr.StrideOrArg) | |||
10562 | Out << ParamAttr.StrideOrArg; | |||
10563 | break; | |||
10564 | case Uniform: | |||
10565 | Out << 'u'; | |||
10566 | break; | |||
10567 | case Vector: | |||
10568 | Out << 'v'; | |||
10569 | break; | |||
10570 | } | |||
10571 | if (!!ParamAttr.Alignment) | |||
10572 | Out << 'a' << ParamAttr.Alignment; | |||
10573 | } | |||
10574 | Out << '_' << Fn->getName(); | |||
10575 | Fn->addFnAttr(Out.str()); | |||
10576 | } | |||
10577 | } | |||
10578 | } | |||
10579 | ||||
10580 | // This are the Functions that are needed to mangle the name of the | |||
10581 | // vector functions generated by the compiler, according to the rules | |||
10582 | // defined in the "Vector Function ABI specifications for AArch64", | |||
10583 | // available at | |||
10584 | // https://developer.arm.com/products/software-development-tools/hpc/arm-compiler-for-hpc/vector-function-abi. | |||
10585 | ||||
10586 | /// Maps To Vector (MTV), as defined in 3.1.1 of the AAVFABI. | |||
10587 | /// | |||
10588 | /// TODO: Need to implement the behavior for reference marked with a | |||
10589 | /// var or no linear modifiers (1.b in the section). For this, we | |||
10590 | /// need to extend ParamKindTy to support the linear modifiers. | |||
10591 | static bool getAArch64MTV(QualType QT, ParamKindTy Kind) { | |||
10592 | QT = QT.getCanonicalType(); | |||
10593 | ||||
10594 | if (QT->isVoidType()) | |||
10595 | return false; | |||
10596 | ||||
10597 | if (Kind == ParamKindTy::Uniform) | |||
10598 | return false; | |||
10599 | ||||
10600 | if (Kind == ParamKindTy::Linear) | |||
10601 | return false; | |||
10602 | ||||
10603 | // TODO: Handle linear references with modifiers | |||
10604 | ||||
10605 | if (Kind == ParamKindTy::LinearWithVarStride) | |||
10606 | return false; | |||
10607 | ||||
10608 | return true; | |||
10609 | } | |||
10610 | ||||
10611 | /// Pass By Value (PBV), as defined in 3.1.2 of the AAVFABI. | |||
10612 | static bool getAArch64PBV(QualType QT, ASTContext &C) { | |||
10613 | QT = QT.getCanonicalType(); | |||
10614 | unsigned Size = C.getTypeSize(QT); | |||
10615 | ||||
10616 | // Only scalars and complex within 16 bytes wide set PVB to true. | |||
10617 | if (Size != 8 && Size != 16 && Size != 32 && Size != 64 && Size != 128) | |||
10618 | return false; | |||
10619 | ||||
10620 | if (QT->isFloatingType()) | |||
10621 | return true; | |||
10622 | ||||
10623 | if (QT->isIntegerType()) | |||
10624 | return true; | |||
10625 | ||||
10626 | if (QT->isPointerType()) | |||
10627 | return true; | |||
10628 | ||||
10629 | // TODO: Add support for complex types (section 3.1.2, item 2). | |||
10630 | ||||
10631 | return false; | |||
10632 | } | |||
10633 | ||||
10634 | /// Computes the lane size (LS) of a return type or of an input parameter, | |||
10635 | /// as defined by `LS(P)` in 3.2.1 of the AAVFABI. | |||
10636 | /// TODO: Add support for references, section 3.2.1, item 1. | |||
10637 | static unsigned getAArch64LS(QualType QT, ParamKindTy Kind, ASTContext &C) { | |||
10638 | if (getAArch64MTV(QT, Kind) && QT.getCanonicalType()->isPointerType()) { | |||
10639 | QualType PTy = QT.getCanonicalType()->getPointeeType(); | |||
10640 | if (getAArch64PBV(PTy, C)) | |||
10641 | return C.getTypeSize(PTy); | |||
10642 | } | |||
10643 | if (getAArch64PBV(QT, C)) | |||
10644 | return C.getTypeSize(QT); | |||
10645 | ||||
10646 | return C.getTypeSize(C.getUIntPtrType()); | |||
10647 | } | |||
10648 | ||||
10649 | // Get Narrowest Data Size (NDS) and Widest Data Size (WDS) from the | |||
10650 | // signature of the scalar function, as defined in 3.2.2 of the | |||
10651 | // AAVFABI. | |||
10652 | static std::tuple<unsigned, unsigned, bool> | |||
10653 | getNDSWDS(const FunctionDecl *FD, ArrayRef<ParamAttrTy> ParamAttrs) { | |||
10654 | QualType RetType = FD->getReturnType().getCanonicalType(); | |||
10655 | ||||
10656 | ASTContext &C = FD->getASTContext(); | |||
10657 | ||||
10658 | bool OutputBecomesInput = false; | |||
10659 | ||||
10660 | llvm::SmallVector<unsigned, 8> Sizes; | |||
10661 | if (!RetType->isVoidType()) { | |||
10662 | Sizes.push_back(getAArch64LS(RetType, ParamKindTy::Vector, C)); | |||
10663 | if (!getAArch64PBV(RetType, C) && getAArch64MTV(RetType, {})) | |||
10664 | OutputBecomesInput = true; | |||
10665 | } | |||
10666 | for (unsigned I = 0, E = FD->getNumParams(); I < E; ++I) { | |||
10667 | QualType QT = FD->getParamDecl(I)->getType().getCanonicalType(); | |||
10668 | Sizes.push_back(getAArch64LS(QT, ParamAttrs[I].Kind, C)); | |||
10669 | } | |||
10670 | ||||
10671 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10671, __PRETTY_FUNCTION__)); | |||
10672 | // The LS of a function parameter / return value can only be a power | |||
10673 | // of 2, starting from 8 bits, up to 128. | |||
10674 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)) | |||
10675 | [](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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)) | |||
10676 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)) | |||
10677 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)) | |||
10678 | }) &&((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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)) | |||
10679 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10679, __PRETTY_FUNCTION__)); | |||
10680 | ||||
10681 | return std::make_tuple(*std::min_element(std::begin(Sizes), std::end(Sizes)), | |||
10682 | *std::max_element(std::begin(Sizes), std::end(Sizes)), | |||
10683 | OutputBecomesInput); | |||
10684 | } | |||
10685 | ||||
10686 | /// Mangle the parameter part of the vector function name according to | |||
10687 | /// their OpenMP classification. The mangling function is defined in | |||
10688 | /// section 3.5 of the AAVFABI. | |||
10689 | static std::string mangleVectorParameters(ArrayRef<ParamAttrTy> ParamAttrs) { | |||
10690 | SmallString<256> Buffer; | |||
10691 | llvm::raw_svector_ostream Out(Buffer); | |||
10692 | for (const auto &ParamAttr : ParamAttrs) { | |||
10693 | switch (ParamAttr.Kind) { | |||
10694 | case LinearWithVarStride: | |||
10695 | Out << "ls" << ParamAttr.StrideOrArg; | |||
10696 | break; | |||
10697 | case Linear: | |||
10698 | Out << 'l'; | |||
10699 | // Don't print the step value if it is not present or if it is | |||
10700 | // equal to 1. | |||
10701 | if (!!ParamAttr.StrideOrArg && ParamAttr.StrideOrArg != 1) | |||
10702 | Out << ParamAttr.StrideOrArg; | |||
10703 | break; | |||
10704 | case Uniform: | |||
10705 | Out << 'u'; | |||
10706 | break; | |||
10707 | case Vector: | |||
10708 | Out << 'v'; | |||
10709 | break; | |||
10710 | } | |||
10711 | ||||
10712 | if (!!ParamAttr.Alignment) | |||
10713 | Out << 'a' << ParamAttr.Alignment; | |||
10714 | } | |||
10715 | ||||
10716 | return std::string(Out.str()); | |||
10717 | } | |||
10718 | ||||
10719 | // Function used to add the attribute. The parameter `VLEN` is | |||
10720 | // templated to allow the use of "x" when targeting scalable functions | |||
10721 | // for SVE. | |||
10722 | template <typename T> | |||
10723 | static void addAArch64VectorName(T VLEN, StringRef LMask, StringRef Prefix, | |||
10724 | char ISA, StringRef ParSeq, | |||
10725 | StringRef MangledName, bool OutputBecomesInput, | |||
10726 | llvm::Function *Fn) { | |||
10727 | SmallString<256> Buffer; | |||
10728 | llvm::raw_svector_ostream Out(Buffer); | |||
10729 | Out << Prefix << ISA << LMask << VLEN; | |||
10730 | if (OutputBecomesInput) | |||
10731 | Out << "v"; | |||
10732 | Out << ParSeq << "_" << MangledName; | |||
10733 | Fn->addFnAttr(Out.str()); | |||
10734 | } | |||
10735 | ||||
10736 | // Helper function to generate the Advanced SIMD names depending on | |||
10737 | // the value of the NDS when simdlen is not present. | |||
10738 | static void addAArch64AdvSIMDNDSNames(unsigned NDS, StringRef Mask, | |||
10739 | StringRef Prefix, char ISA, | |||
10740 | StringRef ParSeq, StringRef MangledName, | |||
10741 | bool OutputBecomesInput, | |||
10742 | llvm::Function *Fn) { | |||
10743 | switch (NDS) { | |||
10744 | case 8: | |||
10745 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10746 | OutputBecomesInput, Fn); | |||
10747 | addAArch64VectorName(16, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10748 | OutputBecomesInput, Fn); | |||
10749 | break; | |||
10750 | case 16: | |||
10751 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10752 | OutputBecomesInput, Fn); | |||
10753 | addAArch64VectorName(8, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10754 | OutputBecomesInput, Fn); | |||
10755 | break; | |||
10756 | case 32: | |||
10757 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10758 | OutputBecomesInput, Fn); | |||
10759 | addAArch64VectorName(4, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10760 | OutputBecomesInput, Fn); | |||
10761 | break; | |||
10762 | case 64: | |||
10763 | case 128: | |||
10764 | addAArch64VectorName(2, Mask, Prefix, ISA, ParSeq, MangledName, | |||
10765 | OutputBecomesInput, Fn); | |||
10766 | break; | |||
10767 | default: | |||
10768 | llvm_unreachable("Scalar type is too wide.")::llvm::llvm_unreachable_internal("Scalar type is too wide.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10768); | |||
10769 | } | |||
10770 | } | |||
10771 | ||||
10772 | /// Emit vector function attributes for AArch64, as defined in the AAVFABI. | |||
10773 | static void emitAArch64DeclareSimdFunction( | |||
10774 | CodeGenModule &CGM, const FunctionDecl *FD, unsigned UserVLEN, | |||
10775 | ArrayRef<ParamAttrTy> ParamAttrs, | |||
10776 | OMPDeclareSimdDeclAttr::BranchStateTy State, StringRef MangledName, | |||
10777 | char ISA, unsigned VecRegSize, llvm::Function *Fn, SourceLocation SLoc) { | |||
10778 | ||||
10779 | // Get basic data for building the vector signature. | |||
10780 | const auto Data = getNDSWDS(FD, ParamAttrs); | |||
10781 | const unsigned NDS = std::get<0>(Data); | |||
10782 | const unsigned WDS = std::get<1>(Data); | |||
10783 | const bool OutputBecomesInput = std::get<2>(Data); | |||
10784 | ||||
10785 | // Check the values provided via `simdlen` by the user. | |||
10786 | // 1. A `simdlen(1)` doesn't produce vector signatures, | |||
10787 | if (UserVLEN == 1) { | |||
10788 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
10789 | DiagnosticsEngine::Warning, | |||
10790 | "The clause simdlen(1) has no effect when targeting aarch64."); | |||
10791 | CGM.getDiags().Report(SLoc, DiagID); | |||
10792 | return; | |||
10793 | } | |||
10794 | ||||
10795 | // 2. Section 3.3.1, item 1: user input must be a power of 2 for | |||
10796 | // Advanced SIMD output. | |||
10797 | if (ISA == 'n' && UserVLEN && !llvm::isPowerOf2_32(UserVLEN)) { | |||
10798 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
10799 | DiagnosticsEngine::Warning, "The value specified in simdlen must be a " | |||
10800 | "power of 2 when targeting Advanced SIMD."); | |||
10801 | CGM.getDiags().Report(SLoc, DiagID); | |||
10802 | return; | |||
10803 | } | |||
10804 | ||||
10805 | // 3. Section 3.4.1. SVE fixed lengh must obey the architectural | |||
10806 | // limits. | |||
10807 | if (ISA == 's' && UserVLEN != 0) { | |||
10808 | if ((UserVLEN * WDS > 2048) || (UserVLEN * WDS % 128 != 0)) { | |||
10809 | unsigned DiagID = CGM.getDiags().getCustomDiagID( | |||
10810 | DiagnosticsEngine::Warning, "The clause simdlen must fit the %0-bit " | |||
10811 | "lanes in the architectural constraints " | |||
10812 | "for SVE (min is 128-bit, max is " | |||
10813 | "2048-bit, by steps of 128-bit)"); | |||
10814 | CGM.getDiags().Report(SLoc, DiagID) << WDS; | |||
10815 | return; | |||
10816 | } | |||
10817 | } | |||
10818 | ||||
10819 | // Sort out parameter sequence. | |||
10820 | const std::string ParSeq = mangleVectorParameters(ParamAttrs); | |||
10821 | StringRef Prefix = "_ZGV"; | |||
10822 | // Generate simdlen from user input (if any). | |||
10823 | if (UserVLEN) { | |||
10824 | if (ISA == 's') { | |||
10825 | // SVE generates only a masked function. | |||
10826 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
10827 | OutputBecomesInput, Fn); | |||
10828 | } else { | |||
10829 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10829, __PRETTY_FUNCTION__)); | |||
10830 | // Advanced SIMD generates one or two functions, depending on | |||
10831 | // the `[not]inbranch` clause. | |||
10832 | switch (State) { | |||
10833 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
10834 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | |||
10835 | OutputBecomesInput, Fn); | |||
10836 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
10837 | OutputBecomesInput, Fn); | |||
10838 | break; | |||
10839 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
10840 | addAArch64VectorName(UserVLEN, "N", Prefix, ISA, ParSeq, MangledName, | |||
10841 | OutputBecomesInput, Fn); | |||
10842 | break; | |||
10843 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
10844 | addAArch64VectorName(UserVLEN, "M", Prefix, ISA, ParSeq, MangledName, | |||
10845 | OutputBecomesInput, Fn); | |||
10846 | break; | |||
10847 | } | |||
10848 | } | |||
10849 | } else { | |||
10850 | // If no user simdlen is provided, follow the AAVFABI rules for | |||
10851 | // generating the vector length. | |||
10852 | if (ISA == 's') { | |||
10853 | // SVE, section 3.4.1, item 1. | |||
10854 | addAArch64VectorName("x", "M", Prefix, ISA, ParSeq, MangledName, | |||
10855 | OutputBecomesInput, Fn); | |||
10856 | } else { | |||
10857 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 10857, __PRETTY_FUNCTION__)); | |||
10858 | // Advanced SIMD, Section 3.3.1 of the AAVFABI, generates one or | |||
10859 | // two vector names depending on the use of the clause | |||
10860 | // `[not]inbranch`. | |||
10861 | switch (State) { | |||
10862 | case OMPDeclareSimdDeclAttr::BS_Undefined: | |||
10863 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | |||
10864 | OutputBecomesInput, Fn); | |||
10865 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | |||
10866 | OutputBecomesInput, Fn); | |||
10867 | break; | |||
10868 | case OMPDeclareSimdDeclAttr::BS_Notinbranch: | |||
10869 | addAArch64AdvSIMDNDSNames(NDS, "N", Prefix, ISA, ParSeq, MangledName, | |||
10870 | OutputBecomesInput, Fn); | |||
10871 | break; | |||
10872 | case OMPDeclareSimdDeclAttr::BS_Inbranch: | |||
10873 | addAArch64AdvSIMDNDSNames(NDS, "M", Prefix, ISA, ParSeq, MangledName, | |||
10874 | OutputBecomesInput, Fn); | |||
10875 | break; | |||
10876 | } | |||
10877 | } | |||
10878 | } | |||
10879 | } | |||
10880 | ||||
10881 | void CGOpenMPRuntime::emitDeclareSimdFunction(const FunctionDecl *FD, | |||
10882 | llvm::Function *Fn) { | |||
10883 | ASTContext &C = CGM.getContext(); | |||
10884 | FD = FD->getMostRecentDecl(); | |||
10885 | // Map params to their positions in function decl. | |||
10886 | llvm::DenseMap<const Decl *, unsigned> ParamPositions; | |||
10887 | if (isa<CXXMethodDecl>(FD)) | |||
10888 | ParamPositions.try_emplace(FD, 0); | |||
10889 | unsigned ParamPos = ParamPositions.size(); | |||
10890 | for (const ParmVarDecl *P : FD->parameters()) { | |||
10891 | ParamPositions.try_emplace(P->getCanonicalDecl(), ParamPos); | |||
10892 | ++ParamPos; | |||
10893 | } | |||
10894 | while (FD) { | |||
10895 | for (const auto *Attr : FD->specific_attrs<OMPDeclareSimdDeclAttr>()) { | |||
10896 | llvm::SmallVector<ParamAttrTy, 8> ParamAttrs(ParamPositions.size()); | |||
10897 | // Mark uniform parameters. | |||
10898 | for (const Expr *E : Attr->uniforms()) { | |||
10899 | E = E->IgnoreParenImpCasts(); | |||
10900 | unsigned Pos; | |||
10901 | if (isa<CXXThisExpr>(E)) { | |||
10902 | Pos = ParamPositions[FD]; | |||
10903 | } else { | |||
10904 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
10905 | ->getCanonicalDecl(); | |||
10906 | Pos = ParamPositions[PVD]; | |||
10907 | } | |||
10908 | ParamAttrs[Pos].Kind = Uniform; | |||
10909 | } | |||
10910 | // Get alignment info. | |||
10911 | auto NI = Attr->alignments_begin(); | |||
10912 | for (const Expr *E : Attr->aligneds()) { | |||
10913 | E = E->IgnoreParenImpCasts(); | |||
10914 | unsigned Pos; | |||
10915 | QualType ParmTy; | |||
10916 | if (isa<CXXThisExpr>(E)) { | |||
10917 | Pos = ParamPositions[FD]; | |||
10918 | ParmTy = E->getType(); | |||
10919 | } else { | |||
10920 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
10921 | ->getCanonicalDecl(); | |||
10922 | Pos = ParamPositions[PVD]; | |||
10923 | ParmTy = PVD->getType(); | |||
10924 | } | |||
10925 | ParamAttrs[Pos].Alignment = | |||
10926 | (*NI) | |||
10927 | ? (*NI)->EvaluateKnownConstInt(C) | |||
10928 | : llvm::APSInt::getUnsigned( | |||
10929 | C.toCharUnitsFromBits(C.getOpenMPDefaultSimdAlign(ParmTy)) | |||
10930 | .getQuantity()); | |||
10931 | ++NI; | |||
10932 | } | |||
10933 | // Mark linear parameters. | |||
10934 | auto SI = Attr->steps_begin(); | |||
10935 | auto MI = Attr->modifiers_begin(); | |||
10936 | for (const Expr *E : Attr->linears()) { | |||
10937 | E = E->IgnoreParenImpCasts(); | |||
10938 | unsigned Pos; | |||
10939 | if (isa<CXXThisExpr>(E)) { | |||
10940 | Pos = ParamPositions[FD]; | |||
10941 | } else { | |||
10942 | const auto *PVD = cast<ParmVarDecl>(cast<DeclRefExpr>(E)->getDecl()) | |||
10943 | ->getCanonicalDecl(); | |||
10944 | Pos = ParamPositions[PVD]; | |||
10945 | } | |||
10946 | ParamAttrTy &ParamAttr = ParamAttrs[Pos]; | |||
10947 | ParamAttr.Kind = Linear; | |||
10948 | if (*SI) { | |||
10949 | Expr::EvalResult Result; | |||
10950 | if (!(*SI)->EvaluateAsInt(Result, C, Expr::SE_AllowSideEffects)) { | |||
10951 | if (const auto *DRE = | |||
10952 | cast<DeclRefExpr>((*SI)->IgnoreParenImpCasts())) { | |||
10953 | if (const auto *StridePVD = cast<ParmVarDecl>(DRE->getDecl())) { | |||
10954 | ParamAttr.Kind = LinearWithVarStride; | |||
10955 | ParamAttr.StrideOrArg = llvm::APSInt::getUnsigned( | |||
10956 | ParamPositions[StridePVD->getCanonicalDecl()]); | |||
10957 | } | |||
10958 | } | |||
10959 | } else { | |||
10960 | ParamAttr.StrideOrArg = Result.Val.getInt(); | |||
10961 | } | |||
10962 | } | |||
10963 | ++SI; | |||
10964 | ++MI; | |||
10965 | } | |||
10966 | llvm::APSInt VLENVal; | |||
10967 | SourceLocation ExprLoc; | |||
10968 | const Expr *VLENExpr = Attr->getSimdlen(); | |||
10969 | if (VLENExpr) { | |||
10970 | VLENVal = VLENExpr->EvaluateKnownConstInt(C); | |||
10971 | ExprLoc = VLENExpr->getExprLoc(); | |||
10972 | } | |||
10973 | OMPDeclareSimdDeclAttr::BranchStateTy State = Attr->getBranchState(); | |||
10974 | if (CGM.getTriple().isX86()) { | |||
10975 | emitX86DeclareSimdFunction(FD, Fn, VLENVal, ParamAttrs, State); | |||
10976 | } else if (CGM.getTriple().getArch() == llvm::Triple::aarch64) { | |||
10977 | unsigned VLEN = VLENVal.getExtValue(); | |||
10978 | StringRef MangledName = Fn->getName(); | |||
10979 | if (CGM.getTarget().hasFeature("sve")) | |||
10980 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | |||
10981 | MangledName, 's', 128, Fn, ExprLoc); | |||
10982 | if (CGM.getTarget().hasFeature("neon")) | |||
10983 | emitAArch64DeclareSimdFunction(CGM, FD, VLEN, ParamAttrs, State, | |||
10984 | MangledName, 'n', 128, Fn, ExprLoc); | |||
10985 | } | |||
10986 | } | |||
10987 | FD = FD->getPreviousDecl(); | |||
10988 | } | |||
10989 | } | |||
10990 | ||||
10991 | namespace { | |||
10992 | /// Cleanup action for doacross support. | |||
10993 | class DoacrossCleanupTy final : public EHScopeStack::Cleanup { | |||
10994 | public: | |||
10995 | static const int DoacrossFinArgs = 2; | |||
10996 | ||||
10997 | private: | |||
10998 | llvm::FunctionCallee RTLFn; | |||
10999 | llvm::Value *Args[DoacrossFinArgs]; | |||
11000 | ||||
11001 | public: | |||
11002 | DoacrossCleanupTy(llvm::FunctionCallee RTLFn, | |||
11003 | ArrayRef<llvm::Value *> CallArgs) | |||
11004 | : RTLFn(RTLFn) { | |||
11005 | assert(CallArgs.size() == DoacrossFinArgs)((CallArgs.size() == DoacrossFinArgs) ? static_cast<void> (0) : __assert_fail ("CallArgs.size() == DoacrossFinArgs", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11005, __PRETTY_FUNCTION__)); | |||
11006 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | |||
11007 | } | |||
11008 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
11009 | if (!CGF.HaveInsertPoint()) | |||
11010 | return; | |||
11011 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11012 | } | |||
11013 | }; | |||
11014 | } // namespace | |||
11015 | ||||
11016 | void CGOpenMPRuntime::emitDoacrossInit(CodeGenFunction &CGF, | |||
11017 | const OMPLoopDirective &D, | |||
11018 | ArrayRef<Expr *> NumIterations) { | |||
11019 | if (!CGF.HaveInsertPoint()) | |||
11020 | return; | |||
11021 | ||||
11022 | ASTContext &C = CGM.getContext(); | |||
11023 | QualType Int64Ty = C.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/true); | |||
11024 | RecordDecl *RD; | |||
11025 | if (KmpDimTy.isNull()) { | |||
11026 | // Build struct kmp_dim { // loop bounds info casted to kmp_int64 | |||
11027 | // kmp_int64 lo; // lower | |||
11028 | // kmp_int64 up; // upper | |||
11029 | // kmp_int64 st; // stride | |||
11030 | // }; | |||
11031 | RD = C.buildImplicitRecord("kmp_dim"); | |||
11032 | RD->startDefinition(); | |||
11033 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11034 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11035 | addFieldToRecordDecl(C, RD, Int64Ty); | |||
11036 | RD->completeDefinition(); | |||
11037 | KmpDimTy = C.getRecordType(RD); | |||
11038 | } else { | |||
11039 | RD = cast<RecordDecl>(KmpDimTy->getAsTagDecl()); | |||
11040 | } | |||
11041 | llvm::APInt Size(/*numBits=*/32, NumIterations.size()); | |||
11042 | QualType ArrayTy = | |||
11043 | C.getConstantArrayType(KmpDimTy, Size, nullptr, ArrayType::Normal, 0); | |||
11044 | ||||
11045 | Address DimsAddr = CGF.CreateMemTemp(ArrayTy, "dims"); | |||
11046 | CGF.EmitNullInitialization(DimsAddr, ArrayTy); | |||
11047 | enum { LowerFD = 0, UpperFD, StrideFD }; | |||
11048 | // Fill dims with data. | |||
11049 | for (unsigned I = 0, E = NumIterations.size(); I < E; ++I) { | |||
11050 | LValue DimsLVal = CGF.MakeAddrLValue( | |||
11051 | CGF.Builder.CreateConstArrayGEP(DimsAddr, I), KmpDimTy); | |||
11052 | // dims.upper = num_iterations; | |||
11053 | LValue UpperLVal = CGF.EmitLValueForField( | |||
11054 | DimsLVal, *std::next(RD->field_begin(), UpperFD)); | |||
11055 | llvm::Value *NumIterVal = | |||
11056 | CGF.EmitScalarConversion(CGF.EmitScalarExpr(NumIterations[I]), | |||
11057 | D.getNumIterations()->getType(), Int64Ty, | |||
11058 | D.getNumIterations()->getExprLoc()); | |||
11059 | CGF.EmitStoreOfScalar(NumIterVal, UpperLVal); | |||
11060 | // dims.stride = 1; | |||
11061 | LValue StrideLVal = CGF.EmitLValueForField( | |||
11062 | DimsLVal, *std::next(RD->field_begin(), StrideFD)); | |||
11063 | CGF.EmitStoreOfScalar(llvm::ConstantInt::getSigned(CGM.Int64Ty, /*V=*/1), | |||
11064 | StrideLVal); | |||
11065 | } | |||
11066 | ||||
11067 | // Build call void __kmpc_doacross_init(ident_t *loc, kmp_int32 gtid, | |||
11068 | // kmp_int32 num_dims, struct kmp_dim * dims); | |||
11069 | llvm::Value *Args[] = { | |||
11070 | emitUpdateLocation(CGF, D.getBeginLoc()), | |||
11071 | getThreadID(CGF, D.getBeginLoc()), | |||
11072 | llvm::ConstantInt::getSigned(CGM.Int32Ty, NumIterations.size()), | |||
11073 | CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11074 | CGF.Builder.CreateConstArrayGEP(DimsAddr, 0).getPointer(), | |||
11075 | CGM.VoidPtrTy)}; | |||
11076 | ||||
11077 | llvm::FunctionCallee RTLFn = | |||
11078 | createRuntimeFunction(OMPRTL__kmpc_doacross_init); | |||
11079 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11080 | llvm::Value *FiniArgs[DoacrossCleanupTy::DoacrossFinArgs] = { | |||
11081 | emitUpdateLocation(CGF, D.getEndLoc()), getThreadID(CGF, D.getEndLoc())}; | |||
11082 | llvm::FunctionCallee FiniRTLFn = | |||
11083 | createRuntimeFunction(OMPRTL__kmpc_doacross_fini); | |||
11084 | CGF.EHStack.pushCleanup<DoacrossCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | |||
11085 | llvm::makeArrayRef(FiniArgs)); | |||
11086 | } | |||
11087 | ||||
11088 | void CGOpenMPRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | |||
11089 | const OMPDependClause *C) { | |||
11090 | QualType Int64Ty = | |||
11091 | CGM.getContext().getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
11092 | llvm::APInt Size(/*numBits=*/32, C->getNumLoops()); | |||
11093 | QualType ArrayTy = CGM.getContext().getConstantArrayType( | |||
11094 | Int64Ty, Size, nullptr, ArrayType::Normal, 0); | |||
11095 | Address CntAddr = CGF.CreateMemTemp(ArrayTy, ".cnt.addr"); | |||
11096 | for (unsigned I = 0, E = C->getNumLoops(); I < E; ++I) { | |||
11097 | const Expr *CounterVal = C->getLoopData(I); | |||
11098 | assert(CounterVal)((CounterVal) ? static_cast<void> (0) : __assert_fail ( "CounterVal", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11098, __PRETTY_FUNCTION__)); | |||
11099 | llvm::Value *CntVal = CGF.EmitScalarConversion( | |||
11100 | CGF.EmitScalarExpr(CounterVal), CounterVal->getType(), Int64Ty, | |||
11101 | CounterVal->getExprLoc()); | |||
11102 | CGF.EmitStoreOfScalar(CntVal, CGF.Builder.CreateConstArrayGEP(CntAddr, I), | |||
11103 | /*Volatile=*/false, Int64Ty); | |||
11104 | } | |||
11105 | llvm::Value *Args[] = { | |||
11106 | emitUpdateLocation(CGF, C->getBeginLoc()), | |||
11107 | getThreadID(CGF, C->getBeginLoc()), | |||
11108 | CGF.Builder.CreateConstArrayGEP(CntAddr, 0).getPointer()}; | |||
11109 | llvm::FunctionCallee RTLFn; | |||
11110 | if (C->getDependencyKind() == OMPC_DEPEND_source) { | |||
11111 | RTLFn = createRuntimeFunction(OMPRTL__kmpc_doacross_post); | |||
11112 | } else { | |||
11113 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11113, __PRETTY_FUNCTION__)); | |||
11114 | RTLFn = createRuntimeFunction(OMPRTL__kmpc_doacross_wait); | |||
11115 | } | |||
11116 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11117 | } | |||
11118 | ||||
11119 | void CGOpenMPRuntime::emitCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
11120 | llvm::FunctionCallee Callee, | |||
11121 | ArrayRef<llvm::Value *> Args) const { | |||
11122 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11122, __PRETTY_FUNCTION__)); | |||
11123 | auto DL = ApplyDebugLocation::CreateDefaultArtificial(CGF, Loc); | |||
11124 | ||||
11125 | if (auto *Fn = dyn_cast<llvm::Function>(Callee.getCallee())) { | |||
11126 | if (Fn->doesNotThrow()) { | |||
11127 | CGF.EmitNounwindRuntimeCall(Fn, Args); | |||
11128 | return; | |||
11129 | } | |||
11130 | } | |||
11131 | CGF.EmitRuntimeCall(Callee, Args); | |||
11132 | } | |||
11133 | ||||
11134 | void CGOpenMPRuntime::emitOutlinedFunctionCall( | |||
11135 | CodeGenFunction &CGF, SourceLocation Loc, llvm::FunctionCallee OutlinedFn, | |||
11136 | ArrayRef<llvm::Value *> Args) const { | |||
11137 | emitCall(CGF, Loc, OutlinedFn, Args); | |||
11138 | } | |||
11139 | ||||
11140 | void CGOpenMPRuntime::emitFunctionProlog(CodeGenFunction &CGF, const Decl *D) { | |||
11141 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) | |||
11142 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD)) | |||
11143 | HasEmittedDeclareTargetRegion = true; | |||
11144 | } | |||
11145 | ||||
11146 | Address CGOpenMPRuntime::getParameterAddress(CodeGenFunction &CGF, | |||
11147 | const VarDecl *NativeParam, | |||
11148 | const VarDecl *TargetParam) const { | |||
11149 | return CGF.GetAddrOfLocalVar(NativeParam); | |||
11150 | } | |||
11151 | ||||
11152 | namespace { | |||
11153 | /// Cleanup action for allocate support. | |||
11154 | class OMPAllocateCleanupTy final : public EHScopeStack::Cleanup { | |||
11155 | public: | |||
11156 | static const int CleanupArgs = 3; | |||
11157 | ||||
11158 | private: | |||
11159 | llvm::FunctionCallee RTLFn; | |||
11160 | llvm::Value *Args[CleanupArgs]; | |||
11161 | ||||
11162 | public: | |||
11163 | OMPAllocateCleanupTy(llvm::FunctionCallee RTLFn, | |||
11164 | ArrayRef<llvm::Value *> CallArgs) | |||
11165 | : RTLFn(RTLFn) { | |||
11166 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11167, __PRETTY_FUNCTION__)) | |||
11167 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11167, __PRETTY_FUNCTION__)); | |||
11168 | std::copy(CallArgs.begin(), CallArgs.end(), std::begin(Args)); | |||
11169 | } | |||
11170 | void Emit(CodeGenFunction &CGF, Flags /*flags*/) override { | |||
11171 | if (!CGF.HaveInsertPoint()) | |||
11172 | return; | |||
11173 | CGF.EmitRuntimeCall(RTLFn, Args); | |||
11174 | } | |||
11175 | }; | |||
11176 | } // namespace | |||
11177 | ||||
11178 | Address CGOpenMPRuntime::getAddressOfLocalVariable(CodeGenFunction &CGF, | |||
11179 | const VarDecl *VD) { | |||
11180 | if (!VD) | |||
11181 | return Address::invalid(); | |||
11182 | const VarDecl *CVD = VD->getCanonicalDecl(); | |||
11183 | if (!CVD->hasAttr<OMPAllocateDeclAttr>()) | |||
11184 | return Address::invalid(); | |||
11185 | const auto *AA = CVD->getAttr<OMPAllocateDeclAttr>(); | |||
11186 | // Use the default allocation. | |||
11187 | if (AA->getAllocatorType() == OMPAllocateDeclAttr::OMPDefaultMemAlloc && | |||
11188 | !AA->getAllocator()) | |||
11189 | return Address::invalid(); | |||
11190 | llvm::Value *Size; | |||
11191 | CharUnits Align = CGM.getContext().getDeclAlign(CVD); | |||
11192 | if (CVD->getType()->isVariablyModifiedType()) { | |||
11193 | Size = CGF.getTypeSize(CVD->getType()); | |||
11194 | // Align the size: ((size + align - 1) / align) * align | |||
11195 | Size = CGF.Builder.CreateNUWAdd( | |||
11196 | Size, CGM.getSize(Align - CharUnits::fromQuantity(1))); | |||
11197 | Size = CGF.Builder.CreateUDiv(Size, CGM.getSize(Align)); | |||
11198 | Size = CGF.Builder.CreateNUWMul(Size, CGM.getSize(Align)); | |||
11199 | } else { | |||
11200 | CharUnits Sz = CGM.getContext().getTypeSizeInChars(CVD->getType()); | |||
11201 | Size = CGM.getSize(Sz.alignTo(Align)); | |||
11202 | } | |||
11203 | llvm::Value *ThreadID = getThreadID(CGF, CVD->getBeginLoc()); | |||
11204 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11205, __PRETTY_FUNCTION__)) | |||
11205 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11205, __PRETTY_FUNCTION__)); | |||
11206 | llvm::Value *Allocator = CGF.EmitScalarExpr(AA->getAllocator()); | |||
11207 | // According to the standard, the original allocator type is a enum (integer). | |||
11208 | // Convert to pointer type, if required. | |||
11209 | if (Allocator->getType()->isIntegerTy()) | |||
11210 | Allocator = CGF.Builder.CreateIntToPtr(Allocator, CGM.VoidPtrTy); | |||
11211 | else if (Allocator->getType()->isPointerTy()) | |||
11212 | Allocator = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Allocator, | |||
11213 | CGM.VoidPtrTy); | |||
11214 | llvm::Value *Args[] = {ThreadID, Size, Allocator}; | |||
11215 | ||||
11216 | llvm::Value *Addr = | |||
11217 | CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_alloc), Args, | |||
11218 | getName({CVD->getName(), ".void.addr"})); | |||
11219 | llvm::Value *FiniArgs[OMPAllocateCleanupTy::CleanupArgs] = {ThreadID, Addr, | |||
11220 | Allocator}; | |||
11221 | llvm::FunctionCallee FiniRTLFn = createRuntimeFunction(OMPRTL__kmpc_free); | |||
11222 | ||||
11223 | CGF.EHStack.pushCleanup<OMPAllocateCleanupTy>(NormalAndEHCleanup, FiniRTLFn, | |||
11224 | llvm::makeArrayRef(FiniArgs)); | |||
11225 | Addr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11226 | Addr, | |||
11227 | CGF.ConvertTypeForMem(CGM.getContext().getPointerType(CVD->getType())), | |||
11228 | getName({CVD->getName(), ".addr"})); | |||
11229 | return Address(Addr, Align); | |||
11230 | } | |||
11231 | ||||
11232 | /// Finds the variant function that matches current context with its context | |||
11233 | /// selector. | |||
11234 | static const FunctionDecl *getDeclareVariantFunction(CodeGenModule &CGM, | |||
11235 | const FunctionDecl *FD) { | |||
11236 | if (!FD->hasAttrs() || !FD->hasAttr<OMPDeclareVariantAttr>()) | |||
11237 | return FD; | |||
11238 | ||||
11239 | SmallVector<Expr *, 8> VariantExprs; | |||
11240 | SmallVector<VariantMatchInfo, 8> VMIs; | |||
11241 | for (const auto *A : FD->specific_attrs<OMPDeclareVariantAttr>()) { | |||
11242 | const OMPTraitInfo &TI = A->getTraitInfos(); | |||
11243 | VMIs.push_back(VariantMatchInfo()); | |||
11244 | TI.getAsVariantMatchInfo(CGM.getContext(), VMIs.back()); | |||
11245 | VariantExprs.push_back(A->getVariantFuncRef()); | |||
11246 | } | |||
11247 | ||||
11248 | OMPContext Ctx(CGM.getLangOpts().OpenMPIsDevice, CGM.getTriple()); | |||
11249 | // FIXME: Keep the context in the OMPIRBuilder so we can add constructs as we | |||
11250 | // build them. | |||
11251 | ||||
11252 | int BestMatchIdx = getBestVariantMatchForContext(VMIs, Ctx); | |||
11253 | if (BestMatchIdx < 0) | |||
11254 | return FD; | |||
11255 | ||||
11256 | return cast<FunctionDecl>( | |||
11257 | cast<DeclRefExpr>(VariantExprs[BestMatchIdx]->IgnoreParenImpCasts()) | |||
11258 | ->getDecl()); | |||
11259 | } | |||
11260 | ||||
11261 | bool CGOpenMPRuntime::emitDeclareVariant(GlobalDecl GD, bool IsForDefinition) { | |||
11262 | const auto *D = cast<FunctionDecl>(GD.getDecl()); | |||
11263 | // If the original function is defined already, use its definition. | |||
11264 | StringRef MangledName = CGM.getMangledName(GD); | |||
11265 | llvm::GlobalValue *Orig = CGM.GetGlobalValue(MangledName); | |||
11266 | if (Orig && !Orig->isDeclaration()) | |||
11267 | return false; | |||
11268 | const FunctionDecl *NewFD = getDeclareVariantFunction(CGM, D); | |||
11269 | // Emit original function if it does not have declare variant attribute or the | |||
11270 | // context does not match. | |||
11271 | if (NewFD == D) | |||
11272 | return false; | |||
11273 | GlobalDecl NewGD = GD.getWithDecl(NewFD); | |||
11274 | if (tryEmitDeclareVariant(NewGD, GD, Orig, IsForDefinition)) { | |||
11275 | DeferredVariantFunction.erase(D); | |||
11276 | return true; | |||
11277 | } | |||
11278 | DeferredVariantFunction.insert(std::make_pair(D, std::make_pair(NewGD, GD))); | |||
11279 | return true; | |||
11280 | } | |||
11281 | ||||
11282 | CGOpenMPRuntime::NontemporalDeclsRAII::NontemporalDeclsRAII( | |||
11283 | CodeGenModule &CGM, const OMPLoopDirective &S) | |||
11284 | : CGM(CGM), NeedToPush(S.hasClausesOfKind<OMPNontemporalClause>()) { | |||
11285 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11285, __PRETTY_FUNCTION__)); | |||
11286 | if (!NeedToPush) | |||
11287 | return; | |||
11288 | NontemporalDeclsSet &DS = | |||
11289 | CGM.getOpenMPRuntime().NontemporalDeclsStack.emplace_back(); | |||
11290 | for (const auto *C : S.getClausesOfKind<OMPNontemporalClause>()) { | |||
11291 | for (const Stmt *Ref : C->private_refs()) { | |||
11292 | const auto *SimpleRefExpr = cast<Expr>(Ref)->IgnoreParenImpCasts(); | |||
11293 | const ValueDecl *VD; | |||
11294 | if (const auto *DRE = dyn_cast<DeclRefExpr>(SimpleRefExpr)) { | |||
11295 | VD = DRE->getDecl(); | |||
11296 | } else { | |||
11297 | const auto *ME = cast<MemberExpr>(SimpleRefExpr); | |||
11298 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11300, __PRETTY_FUNCTION__)) | |||
11299 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11300, __PRETTY_FUNCTION__)) | |||
11300 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11300, __PRETTY_FUNCTION__)); | |||
11301 | VD = ME->getMemberDecl(); | |||
11302 | } | |||
11303 | DS.insert(VD); | |||
11304 | } | |||
11305 | } | |||
11306 | } | |||
11307 | ||||
11308 | CGOpenMPRuntime::NontemporalDeclsRAII::~NontemporalDeclsRAII() { | |||
11309 | if (!NeedToPush) | |||
11310 | return; | |||
11311 | CGM.getOpenMPRuntime().NontemporalDeclsStack.pop_back(); | |||
11312 | } | |||
11313 | ||||
11314 | bool CGOpenMPRuntime::isNontemporalDecl(const ValueDecl *VD) const { | |||
11315 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11315, __PRETTY_FUNCTION__)); | |||
11316 | ||||
11317 | return llvm::any_of( | |||
11318 | CGM.getOpenMPRuntime().NontemporalDeclsStack, | |||
11319 | [VD](const NontemporalDeclsSet &Set) { return Set.count(VD) > 0; }); | |||
11320 | } | |||
11321 | ||||
11322 | void CGOpenMPRuntime::LastprivateConditionalRAII::tryToDisableInnerAnalysis( | |||
11323 | const OMPExecutableDirective &S, | |||
11324 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> &NeedToAddForLPCsAsDisabled) | |||
11325 | const { | |||
11326 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToCheckForLPCs; | |||
11327 | // Vars in target/task regions must be excluded completely. | |||
11328 | if (isOpenMPTargetExecutionDirective(S.getDirectiveKind()) || | |||
11329 | isOpenMPTaskingDirective(S.getDirectiveKind())) { | |||
11330 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
11331 | getOpenMPCaptureRegions(CaptureRegions, S.getDirectiveKind()); | |||
11332 | const CapturedStmt *CS = S.getCapturedStmt(CaptureRegions.front()); | |||
11333 | for (const CapturedStmt::Capture &Cap : CS->captures()) { | |||
11334 | if (Cap.capturesVariable() || Cap.capturesVariableByCopy()) | |||
11335 | NeedToCheckForLPCs.insert(Cap.getCapturedVar()); | |||
11336 | } | |||
11337 | } | |||
11338 | // Exclude vars in private clauses. | |||
11339 | for (const auto *C : S.getClausesOfKind<OMPPrivateClause>()) { | |||
11340 | for (const Expr *Ref : C->varlists()) { | |||
11341 | if (!Ref->getType()->isScalarType()) | |||
11342 | continue; | |||
11343 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11344 | if (!DRE) | |||
11345 | continue; | |||
11346 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11347 | } | |||
11348 | } | |||
11349 | for (const auto *C : S.getClausesOfKind<OMPFirstprivateClause>()) { | |||
11350 | for (const Expr *Ref : C->varlists()) { | |||
11351 | if (!Ref->getType()->isScalarType()) | |||
11352 | continue; | |||
11353 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11354 | if (!DRE) | |||
11355 | continue; | |||
11356 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11357 | } | |||
11358 | } | |||
11359 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | |||
11360 | for (const Expr *Ref : C->varlists()) { | |||
11361 | if (!Ref->getType()->isScalarType()) | |||
11362 | continue; | |||
11363 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11364 | if (!DRE) | |||
11365 | continue; | |||
11366 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11367 | } | |||
11368 | } | |||
11369 | for (const auto *C : S.getClausesOfKind<OMPReductionClause>()) { | |||
11370 | for (const Expr *Ref : C->varlists()) { | |||
11371 | if (!Ref->getType()->isScalarType()) | |||
11372 | continue; | |||
11373 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11374 | if (!DRE) | |||
11375 | continue; | |||
11376 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11377 | } | |||
11378 | } | |||
11379 | for (const auto *C : S.getClausesOfKind<OMPLinearClause>()) { | |||
11380 | for (const Expr *Ref : C->varlists()) { | |||
11381 | if (!Ref->getType()->isScalarType()) | |||
11382 | continue; | |||
11383 | const auto *DRE = dyn_cast<DeclRefExpr>(Ref->IgnoreParenImpCasts()); | |||
11384 | if (!DRE) | |||
11385 | continue; | |||
11386 | NeedToCheckForLPCs.insert(DRE->getDecl()); | |||
11387 | } | |||
11388 | } | |||
11389 | for (const Decl *VD : NeedToCheckForLPCs) { | |||
11390 | for (const LastprivateConditionalData &Data : | |||
11391 | llvm::reverse(CGM.getOpenMPRuntime().LastprivateConditionalStack)) { | |||
11392 | if (Data.DeclToUniqueName.count(VD) > 0) { | |||
11393 | if (!Data.Disabled) | |||
11394 | NeedToAddForLPCsAsDisabled.insert(VD); | |||
11395 | break; | |||
11396 | } | |||
11397 | } | |||
11398 | } | |||
11399 | } | |||
11400 | ||||
11401 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | |||
11402 | CodeGenFunction &CGF, const OMPExecutableDirective &S, LValue IVLVal) | |||
11403 | : CGM(CGF.CGM), | |||
11404 | Action((CGM.getLangOpts().OpenMP >= 50 && | |||
11405 | llvm::any_of(S.getClausesOfKind<OMPLastprivateClause>(), | |||
11406 | [](const OMPLastprivateClause *C) { | |||
11407 | return C->getKind() == | |||
11408 | OMPC_LASTPRIVATE_conditional; | |||
11409 | })) | |||
11410 | ? ActionToDo::PushAsLastprivateConditional | |||
11411 | : ActionToDo::DoNotPush) { | |||
11412 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11412, __PRETTY_FUNCTION__)); | |||
11413 | if (CGM.getLangOpts().OpenMP < 50 || Action == ActionToDo::DoNotPush) | |||
11414 | return; | |||
11415 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11416, __PRETTY_FUNCTION__)) | |||
11416 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11416, __PRETTY_FUNCTION__)); | |||
11417 | LastprivateConditionalData &Data = | |||
11418 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | |||
11419 | for (const auto *C : S.getClausesOfKind<OMPLastprivateClause>()) { | |||
11420 | if (C->getKind() != OMPC_LASTPRIVATE_conditional) | |||
11421 | continue; | |||
11422 | ||||
11423 | for (const Expr *Ref : C->varlists()) { | |||
11424 | Data.DeclToUniqueName.insert(std::make_pair( | |||
11425 | cast<DeclRefExpr>(Ref->IgnoreParenImpCasts())->getDecl(), | |||
11426 | SmallString<16>(generateUniqueName(CGM, "pl_cond", Ref)))); | |||
11427 | } | |||
11428 | } | |||
11429 | Data.IVLVal = IVLVal; | |||
11430 | Data.Fn = CGF.CurFn; | |||
11431 | } | |||
11432 | ||||
11433 | CGOpenMPRuntime::LastprivateConditionalRAII::LastprivateConditionalRAII( | |||
11434 | CodeGenFunction &CGF, const OMPExecutableDirective &S) | |||
11435 | : CGM(CGF.CGM), Action(ActionToDo::DoNotPush) { | |||
11436 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11436, __PRETTY_FUNCTION__)); | |||
11437 | if (CGM.getLangOpts().OpenMP < 50) | |||
11438 | return; | |||
11439 | llvm::DenseSet<CanonicalDeclPtr<const Decl>> NeedToAddForLPCsAsDisabled; | |||
11440 | tryToDisableInnerAnalysis(S, NeedToAddForLPCsAsDisabled); | |||
11441 | if (!NeedToAddForLPCsAsDisabled.empty()) { | |||
11442 | Action = ActionToDo::DisableLastprivateConditional; | |||
11443 | LastprivateConditionalData &Data = | |||
11444 | CGM.getOpenMPRuntime().LastprivateConditionalStack.emplace_back(); | |||
11445 | for (const Decl *VD : NeedToAddForLPCsAsDisabled) | |||
11446 | Data.DeclToUniqueName.insert(std::make_pair(VD, SmallString<16>())); | |||
11447 | Data.Fn = CGF.CurFn; | |||
11448 | Data.Disabled = true; | |||
11449 | } | |||
11450 | } | |||
11451 | ||||
11452 | CGOpenMPRuntime::LastprivateConditionalRAII | |||
11453 | CGOpenMPRuntime::LastprivateConditionalRAII::disable( | |||
11454 | CodeGenFunction &CGF, const OMPExecutableDirective &S) { | |||
11455 | return LastprivateConditionalRAII(CGF, S); | |||
11456 | } | |||
11457 | ||||
11458 | CGOpenMPRuntime::LastprivateConditionalRAII::~LastprivateConditionalRAII() { | |||
11459 | if (CGM.getLangOpts().OpenMP < 50) | |||
11460 | return; | |||
11461 | if (Action == ActionToDo::DisableLastprivateConditional) { | |||
11462 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11463, __PRETTY_FUNCTION__)) | |||
11463 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11463, __PRETTY_FUNCTION__)); | |||
11464 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | |||
11465 | } | |||
11466 | if (Action == ActionToDo::PushAsLastprivateConditional) { | |||
11467 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11469, __PRETTY_FUNCTION__)) | |||
11468 | !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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11469, __PRETTY_FUNCTION__)) | |||
11469 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11469, __PRETTY_FUNCTION__)); | |||
11470 | CGM.getOpenMPRuntime().LastprivateConditionalStack.pop_back(); | |||
11471 | } | |||
11472 | } | |||
11473 | ||||
11474 | Address CGOpenMPRuntime::emitLastprivateConditionalInit(CodeGenFunction &CGF, | |||
11475 | const VarDecl *VD) { | |||
11476 | ASTContext &C = CGM.getContext(); | |||
11477 | auto I = LastprivateConditionalToTypes.find(CGF.CurFn); | |||
11478 | if (I == LastprivateConditionalToTypes.end()) | |||
11479 | I = LastprivateConditionalToTypes.try_emplace(CGF.CurFn).first; | |||
11480 | QualType NewType; | |||
11481 | const FieldDecl *VDField; | |||
11482 | const FieldDecl *FiredField; | |||
11483 | LValue BaseLVal; | |||
11484 | auto VI = I->getSecond().find(VD); | |||
11485 | if (VI == I->getSecond().end()) { | |||
11486 | RecordDecl *RD = C.buildImplicitRecord("lasprivate.conditional"); | |||
11487 | RD->startDefinition(); | |||
11488 | VDField = addFieldToRecordDecl(C, RD, VD->getType().getNonReferenceType()); | |||
11489 | FiredField = addFieldToRecordDecl(C, RD, C.CharTy); | |||
11490 | RD->completeDefinition(); | |||
11491 | NewType = C.getRecordType(RD); | |||
11492 | Address Addr = CGF.CreateMemTemp(NewType, C.getDeclAlign(VD), VD->getName()); | |||
11493 | BaseLVal = CGF.MakeAddrLValue(Addr, NewType, AlignmentSource::Decl); | |||
11494 | I->getSecond().try_emplace(VD, NewType, VDField, FiredField, BaseLVal); | |||
11495 | } else { | |||
11496 | NewType = std::get<0>(VI->getSecond()); | |||
11497 | VDField = std::get<1>(VI->getSecond()); | |||
11498 | FiredField = std::get<2>(VI->getSecond()); | |||
11499 | BaseLVal = std::get<3>(VI->getSecond()); | |||
11500 | } | |||
11501 | LValue FiredLVal = | |||
11502 | CGF.EmitLValueForField(BaseLVal, FiredField); | |||
11503 | CGF.EmitStoreOfScalar( | |||
11504 | llvm::ConstantInt::getNullValue(CGF.ConvertTypeForMem(C.CharTy)), | |||
11505 | FiredLVal); | |||
11506 | return CGF.EmitLValueForField(BaseLVal, VDField).getAddress(CGF); | |||
11507 | } | |||
11508 | ||||
11509 | namespace { | |||
11510 | /// Checks if the lastprivate conditional variable is referenced in LHS. | |||
11511 | class LastprivateConditionalRefChecker final | |||
11512 | : public ConstStmtVisitor<LastprivateConditionalRefChecker, bool> { | |||
11513 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM; | |||
11514 | const Expr *FoundE = nullptr; | |||
11515 | const Decl *FoundD = nullptr; | |||
11516 | StringRef UniqueDeclName; | |||
11517 | LValue IVLVal; | |||
11518 | llvm::Function *FoundFn = nullptr; | |||
11519 | SourceLocation Loc; | |||
11520 | ||||
11521 | public: | |||
11522 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
11523 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | |||
11524 | llvm::reverse(LPM)) { | |||
11525 | auto It = D.DeclToUniqueName.find(E->getDecl()); | |||
11526 | if (It == D.DeclToUniqueName.end()) | |||
11527 | continue; | |||
11528 | if (D.Disabled) | |||
11529 | return false; | |||
11530 | FoundE = E; | |||
11531 | FoundD = E->getDecl()->getCanonicalDecl(); | |||
11532 | UniqueDeclName = It->second; | |||
11533 | IVLVal = D.IVLVal; | |||
11534 | FoundFn = D.Fn; | |||
11535 | break; | |||
11536 | } | |||
11537 | return FoundE == E; | |||
11538 | } | |||
11539 | bool VisitMemberExpr(const MemberExpr *E) { | |||
11540 | if (!CodeGenFunction::IsWrappedCXXThis(E->getBase())) | |||
11541 | return false; | |||
11542 | for (const CGOpenMPRuntime::LastprivateConditionalData &D : | |||
11543 | llvm::reverse(LPM)) { | |||
11544 | auto It = D.DeclToUniqueName.find(E->getMemberDecl()); | |||
11545 | if (It == D.DeclToUniqueName.end()) | |||
11546 | continue; | |||
11547 | if (D.Disabled) | |||
11548 | return false; | |||
11549 | FoundE = E; | |||
11550 | FoundD = E->getMemberDecl()->getCanonicalDecl(); | |||
11551 | UniqueDeclName = It->second; | |||
11552 | IVLVal = D.IVLVal; | |||
11553 | FoundFn = D.Fn; | |||
11554 | break; | |||
11555 | } | |||
11556 | return FoundE == E; | |||
11557 | } | |||
11558 | bool VisitStmt(const Stmt *S) { | |||
11559 | for (const Stmt *Child : S->children()) { | |||
11560 | if (!Child) | |||
11561 | continue; | |||
11562 | if (const auto *E = dyn_cast<Expr>(Child)) | |||
11563 | if (!E->isGLValue()) | |||
11564 | continue; | |||
11565 | if (Visit(Child)) | |||
11566 | return true; | |||
11567 | } | |||
11568 | return false; | |||
11569 | } | |||
11570 | explicit LastprivateConditionalRefChecker( | |||
11571 | ArrayRef<CGOpenMPRuntime::LastprivateConditionalData> LPM) | |||
11572 | : LPM(LPM) {} | |||
11573 | std::tuple<const Expr *, const Decl *, StringRef, LValue, llvm::Function *> | |||
11574 | getFoundData() const { | |||
11575 | return std::make_tuple(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn); | |||
11576 | } | |||
11577 | }; | |||
11578 | } // namespace | |||
11579 | ||||
11580 | void CGOpenMPRuntime::emitLastprivateConditionalUpdate(CodeGenFunction &CGF, | |||
11581 | LValue IVLVal, | |||
11582 | StringRef UniqueDeclName, | |||
11583 | LValue LVal, | |||
11584 | SourceLocation Loc) { | |||
11585 | // Last updated loop counter for the lastprivate conditional var. | |||
11586 | // int<xx> last_iv = 0; | |||
11587 | llvm::Type *LLIVTy = CGF.ConvertTypeForMem(IVLVal.getType()); | |||
11588 | llvm::Constant *LastIV = | |||
11589 | getOrCreateInternalVariable(LLIVTy, getName({UniqueDeclName, "iv"})); | |||
11590 | cast<llvm::GlobalVariable>(LastIV)->setAlignment( | |||
11591 | IVLVal.getAlignment().getAsAlign()); | |||
11592 | LValue LastIVLVal = CGF.MakeNaturalAlignAddrLValue(LastIV, IVLVal.getType()); | |||
11593 | ||||
11594 | // Last value of the lastprivate conditional. | |||
11595 | // decltype(priv_a) last_a; | |||
11596 | llvm::Constant *Last = getOrCreateInternalVariable( | |||
11597 | CGF.ConvertTypeForMem(LVal.getType()), UniqueDeclName); | |||
11598 | cast<llvm::GlobalVariable>(Last)->setAlignment( | |||
11599 | LVal.getAlignment().getAsAlign()); | |||
11600 | LValue LastLVal = | |||
11601 | CGF.MakeAddrLValue(Last, LVal.getType(), LVal.getAlignment()); | |||
11602 | ||||
11603 | // Global loop counter. Required to handle inner parallel-for regions. | |||
11604 | // iv | |||
11605 | llvm::Value *IVVal = CGF.EmitLoadOfScalar(IVLVal, Loc); | |||
11606 | ||||
11607 | // #pragma omp critical(a) | |||
11608 | // if (last_iv <= iv) { | |||
11609 | // last_iv = iv; | |||
11610 | // last_a = priv_a; | |||
11611 | // } | |||
11612 | auto &&CodeGen = [&LastIVLVal, &IVLVal, IVVal, &LVal, &LastLVal, | |||
11613 | Loc](CodeGenFunction &CGF, PrePostActionTy &Action) { | |||
11614 | Action.Enter(CGF); | |||
11615 | llvm::Value *LastIVVal = CGF.EmitLoadOfScalar(LastIVLVal, Loc); | |||
11616 | // (last_iv <= iv) ? Check if the variable is updated and store new | |||
11617 | // value in global var. | |||
11618 | llvm::Value *CmpRes; | |||
11619 | if (IVLVal.getType()->isSignedIntegerType()) { | |||
11620 | CmpRes = CGF.Builder.CreateICmpSLE(LastIVVal, IVVal); | |||
11621 | } else { | |||
11622 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11623, __PRETTY_FUNCTION__)) | |||
11623 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11623, __PRETTY_FUNCTION__)); | |||
11624 | CmpRes = CGF.Builder.CreateICmpULE(LastIVVal, IVVal); | |||
11625 | } | |||
11626 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lp_cond_then"); | |||
11627 | llvm::BasicBlock *ExitBB = CGF.createBasicBlock("lp_cond_exit"); | |||
11628 | CGF.Builder.CreateCondBr(CmpRes, ThenBB, ExitBB); | |||
11629 | // { | |||
11630 | CGF.EmitBlock(ThenBB); | |||
11631 | ||||
11632 | // last_iv = iv; | |||
11633 | CGF.EmitStoreOfScalar(IVVal, LastIVLVal); | |||
11634 | ||||
11635 | // last_a = priv_a; | |||
11636 | switch (CGF.getEvaluationKind(LVal.getType())) { | |||
11637 | case TEK_Scalar: { | |||
11638 | llvm::Value *PrivVal = CGF.EmitLoadOfScalar(LVal, Loc); | |||
11639 | CGF.EmitStoreOfScalar(PrivVal, LastLVal); | |||
11640 | break; | |||
11641 | } | |||
11642 | case TEK_Complex: { | |||
11643 | CodeGenFunction::ComplexPairTy PrivVal = CGF.EmitLoadOfComplex(LVal, Loc); | |||
11644 | CGF.EmitStoreOfComplex(PrivVal, LastLVal, /*isInit=*/false); | |||
11645 | break; | |||
11646 | } | |||
11647 | case TEK_Aggregate: | |||
11648 | llvm_unreachable(::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11649) | |||
11649 | "Aggregates are not supported in lastprivate conditional.")::llvm::llvm_unreachable_internal("Aggregates are not supported in lastprivate conditional." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11649); | |||
11650 | } | |||
11651 | // } | |||
11652 | CGF.EmitBranch(ExitBB); | |||
11653 | // There is no need to emit line number for unconditional branch. | |||
11654 | (void)ApplyDebugLocation::CreateEmpty(CGF); | |||
11655 | CGF.EmitBlock(ExitBB, /*IsFinished=*/true); | |||
11656 | }; | |||
11657 | ||||
11658 | if (CGM.getLangOpts().OpenMPSimd) { | |||
11659 | // Do not emit as a critical region as no parallel region could be emitted. | |||
11660 | RegionCodeGenTy ThenRCG(CodeGen); | |||
11661 | ThenRCG(CGF); | |||
11662 | } else { | |||
11663 | emitCriticalRegion(CGF, UniqueDeclName, CodeGen, Loc); | |||
11664 | } | |||
11665 | } | |||
11666 | ||||
11667 | void CGOpenMPRuntime::checkAndEmitLastprivateConditional(CodeGenFunction &CGF, | |||
11668 | const Expr *LHS) { | |||
11669 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | |||
11670 | return; | |||
11671 | LastprivateConditionalRefChecker Checker(LastprivateConditionalStack); | |||
11672 | if (!Checker.Visit(LHS)) | |||
11673 | return; | |||
11674 | const Expr *FoundE; | |||
11675 | const Decl *FoundD; | |||
11676 | StringRef UniqueDeclName; | |||
11677 | LValue IVLVal; | |||
11678 | llvm::Function *FoundFn; | |||
11679 | std::tie(FoundE, FoundD, UniqueDeclName, IVLVal, FoundFn) = | |||
11680 | Checker.getFoundData(); | |||
11681 | if (FoundFn != CGF.CurFn) { | |||
11682 | // Special codegen for inner parallel regions. | |||
11683 | // ((struct.lastprivate.conditional*)&priv_a)->Fired = 1; | |||
11684 | auto It = LastprivateConditionalToTypes[FoundFn].find(FoundD); | |||
11685 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11686, __PRETTY_FUNCTION__)) | |||
11686 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11686, __PRETTY_FUNCTION__)); | |||
11687 | QualType StructTy = std::get<0>(It->getSecond()); | |||
11688 | const FieldDecl* FiredDecl = std::get<2>(It->getSecond()); | |||
11689 | LValue PrivLVal = CGF.EmitLValue(FoundE); | |||
11690 | Address StructAddr = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast( | |||
11691 | PrivLVal.getAddress(CGF), | |||
11692 | CGF.ConvertTypeForMem(CGF.getContext().getPointerType(StructTy))); | |||
11693 | LValue BaseLVal = | |||
11694 | CGF.MakeAddrLValue(StructAddr, StructTy, AlignmentSource::Decl); | |||
11695 | LValue FiredLVal = CGF.EmitLValueForField(BaseLVal, FiredDecl); | |||
11696 | CGF.EmitAtomicStore(RValue::get(llvm::ConstantInt::get( | |||
11697 | CGF.ConvertTypeForMem(FiredDecl->getType()), 1)), | |||
11698 | FiredLVal, llvm::AtomicOrdering::Unordered, | |||
11699 | /*IsVolatile=*/true, /*isInit=*/false); | |||
11700 | return; | |||
11701 | } | |||
11702 | ||||
11703 | // Private address of the lastprivate conditional in the current context. | |||
11704 | // priv_a | |||
11705 | LValue LVal = CGF.EmitLValue(FoundE); | |||
11706 | emitLastprivateConditionalUpdate(CGF, IVLVal, UniqueDeclName, LVal, | |||
11707 | FoundE->getExprLoc()); | |||
11708 | } | |||
11709 | ||||
11710 | void CGOpenMPRuntime::checkAndEmitSharedLastprivateConditional( | |||
11711 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
11712 | const llvm::DenseSet<CanonicalDeclPtr<const VarDecl>> &IgnoredDecls) { | |||
11713 | if (CGF.getLangOpts().OpenMP < 50 || LastprivateConditionalStack.empty()) | |||
11714 | return; | |||
11715 | auto Range = llvm::reverse(LastprivateConditionalStack); | |||
11716 | auto It = llvm::find_if( | |||
11717 | Range, [](const LastprivateConditionalData &D) { return !D.Disabled; }); | |||
11718 | if (It == Range.end() || It->Fn != CGF.CurFn) | |||
11719 | return; | |||
11720 | auto LPCI = LastprivateConditionalToTypes.find(It->Fn); | |||
11721 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11722, __PRETTY_FUNCTION__)) | |||
11722 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11722, __PRETTY_FUNCTION__)); | |||
11723 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
11724 | getOpenMPCaptureRegions(CaptureRegions, D.getDirectiveKind()); | |||
11725 | const CapturedStmt *CS = D.getCapturedStmt(CaptureRegions.back()); | |||
11726 | for (const auto &Pair : It->DeclToUniqueName) { | |||
11727 | const auto *VD = cast<VarDecl>(Pair.first->getCanonicalDecl()); | |||
11728 | if (!CS->capturesVariable(VD) || IgnoredDecls.count(VD) > 0) | |||
11729 | continue; | |||
11730 | auto I = LPCI->getSecond().find(Pair.first); | |||
11731 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11732, __PRETTY_FUNCTION__)) | |||
11732 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11732, __PRETTY_FUNCTION__)); | |||
11733 | // bool Cmp = priv_a.Fired != 0; | |||
11734 | LValue BaseLVal = std::get<3>(I->getSecond()); | |||
11735 | LValue FiredLVal = | |||
11736 | CGF.EmitLValueForField(BaseLVal, std::get<2>(I->getSecond())); | |||
11737 | llvm::Value *Res = CGF.EmitLoadOfScalar(FiredLVal, D.getBeginLoc()); | |||
11738 | llvm::Value *Cmp = CGF.Builder.CreateIsNotNull(Res); | |||
11739 | llvm::BasicBlock *ThenBB = CGF.createBasicBlock("lpc.then"); | |||
11740 | llvm::BasicBlock *DoneBB = CGF.createBasicBlock("lpc.done"); | |||
11741 | // if (Cmp) { | |||
11742 | CGF.Builder.CreateCondBr(Cmp, ThenBB, DoneBB); | |||
11743 | CGF.EmitBlock(ThenBB); | |||
11744 | Address Addr = CGF.GetAddrOfLocalVar(VD); | |||
11745 | LValue LVal; | |||
11746 | if (VD->getType()->isReferenceType()) | |||
11747 | LVal = CGF.EmitLoadOfReferenceLValue(Addr, VD->getType(), | |||
11748 | AlignmentSource::Decl); | |||
11749 | else | |||
11750 | LVal = CGF.MakeAddrLValue(Addr, VD->getType().getNonReferenceType(), | |||
11751 | AlignmentSource::Decl); | |||
11752 | emitLastprivateConditionalUpdate(CGF, It->IVLVal, Pair.second, LVal, | |||
11753 | D.getBeginLoc()); | |||
11754 | auto AL = ApplyDebugLocation::CreateArtificial(CGF); | |||
11755 | CGF.EmitBlock(DoneBB, /*IsFinal=*/true); | |||
11756 | // } | |||
11757 | } | |||
11758 | } | |||
11759 | ||||
11760 | void CGOpenMPRuntime::emitLastprivateConditionalFinalUpdate( | |||
11761 | CodeGenFunction &CGF, LValue PrivLVal, const VarDecl *VD, | |||
11762 | SourceLocation Loc) { | |||
11763 | if (CGF.getLangOpts().OpenMP < 50) | |||
11764 | return; | |||
11765 | auto It = LastprivateConditionalStack.back().DeclToUniqueName.find(VD); | |||
11766 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11767, __PRETTY_FUNCTION__)) | |||
11767 | "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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11767, __PRETTY_FUNCTION__)); | |||
11768 | StringRef UniqueName = It->second; | |||
11769 | llvm::GlobalVariable *GV = CGM.getModule().getNamedGlobal(UniqueName); | |||
11770 | // The variable was not updated in the region - exit. | |||
11771 | if (!GV) | |||
11772 | return; | |||
11773 | LValue LPLVal = CGF.MakeAddrLValue( | |||
11774 | GV, PrivLVal.getType().getNonReferenceType(), PrivLVal.getAlignment()); | |||
11775 | llvm::Value *Res = CGF.EmitLoadOfScalar(LPLVal, Loc); | |||
11776 | CGF.EmitStoreOfScalar(Res, PrivLVal); | |||
11777 | } | |||
11778 | ||||
11779 | llvm::Function *CGOpenMPSIMDRuntime::emitParallelOutlinedFunction( | |||
11780 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
11781 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
11782 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11782); | |||
11783 | } | |||
11784 | ||||
11785 | llvm::Function *CGOpenMPSIMDRuntime::emitTeamsOutlinedFunction( | |||
11786 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
11787 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) { | |||
11788 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11788); | |||
11789 | } | |||
11790 | ||||
11791 | llvm::Function *CGOpenMPSIMDRuntime::emitTaskOutlinedFunction( | |||
11792 | const OMPExecutableDirective &D, const VarDecl *ThreadIDVar, | |||
11793 | const VarDecl *PartIDVar, const VarDecl *TaskTVar, | |||
11794 | OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen, | |||
11795 | bool Tied, unsigned &NumberOfParts) { | |||
11796 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11796); | |||
11797 | } | |||
11798 | ||||
11799 | void CGOpenMPSIMDRuntime::emitParallelCall(CodeGenFunction &CGF, | |||
11800 | SourceLocation Loc, | |||
11801 | llvm::Function *OutlinedFn, | |||
11802 | ArrayRef<llvm::Value *> CapturedVars, | |||
11803 | const Expr *IfCond) { | |||
11804 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11804); | |||
11805 | } | |||
11806 | ||||
11807 | void CGOpenMPSIMDRuntime::emitCriticalRegion( | |||
11808 | CodeGenFunction &CGF, StringRef CriticalName, | |||
11809 | const RegionCodeGenTy &CriticalOpGen, SourceLocation Loc, | |||
11810 | const Expr *Hint) { | |||
11811 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11811); | |||
11812 | } | |||
11813 | ||||
11814 | void CGOpenMPSIMDRuntime::emitMasterRegion(CodeGenFunction &CGF, | |||
11815 | const RegionCodeGenTy &MasterOpGen, | |||
11816 | SourceLocation Loc) { | |||
11817 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11817); | |||
11818 | } | |||
11819 | ||||
11820 | void CGOpenMPSIMDRuntime::emitTaskyieldCall(CodeGenFunction &CGF, | |||
11821 | SourceLocation Loc) { | |||
11822 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11822); | |||
11823 | } | |||
11824 | ||||
11825 | void CGOpenMPSIMDRuntime::emitTaskgroupRegion( | |||
11826 | CodeGenFunction &CGF, const RegionCodeGenTy &TaskgroupOpGen, | |||
11827 | SourceLocation Loc) { | |||
11828 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11828); | |||
11829 | } | |||
11830 | ||||
11831 | void CGOpenMPSIMDRuntime::emitSingleRegion( | |||
11832 | CodeGenFunction &CGF, const RegionCodeGenTy &SingleOpGen, | |||
11833 | SourceLocation Loc, ArrayRef<const Expr *> CopyprivateVars, | |||
11834 | ArrayRef<const Expr *> DestExprs, ArrayRef<const Expr *> SrcExprs, | |||
11835 | ArrayRef<const Expr *> AssignmentOps) { | |||
11836 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11836); | |||
11837 | } | |||
11838 | ||||
11839 | void CGOpenMPSIMDRuntime::emitOrderedRegion(CodeGenFunction &CGF, | |||
11840 | const RegionCodeGenTy &OrderedOpGen, | |||
11841 | SourceLocation Loc, | |||
11842 | bool IsThreads) { | |||
11843 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11843); | |||
11844 | } | |||
11845 | ||||
11846 | void CGOpenMPSIMDRuntime::emitBarrierCall(CodeGenFunction &CGF, | |||
11847 | SourceLocation Loc, | |||
11848 | OpenMPDirectiveKind Kind, | |||
11849 | bool EmitChecks, | |||
11850 | bool ForceSimpleCall) { | |||
11851 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11851); | |||
11852 | } | |||
11853 | ||||
11854 | void CGOpenMPSIMDRuntime::emitForDispatchInit( | |||
11855 | CodeGenFunction &CGF, SourceLocation Loc, | |||
11856 | const OpenMPScheduleTy &ScheduleKind, unsigned IVSize, bool IVSigned, | |||
11857 | bool Ordered, const DispatchRTInput &DispatchValues) { | |||
11858 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11858); | |||
11859 | } | |||
11860 | ||||
11861 | void CGOpenMPSIMDRuntime::emitForStaticInit( | |||
11862 | CodeGenFunction &CGF, SourceLocation Loc, OpenMPDirectiveKind DKind, | |||
11863 | const OpenMPScheduleTy &ScheduleKind, const StaticRTInput &Values) { | |||
11864 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11864); | |||
11865 | } | |||
11866 | ||||
11867 | void CGOpenMPSIMDRuntime::emitDistributeStaticInit( | |||
11868 | CodeGenFunction &CGF, SourceLocation Loc, | |||
11869 | OpenMPDistScheduleClauseKind SchedKind, const StaticRTInput &Values) { | |||
11870 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11870); | |||
11871 | } | |||
11872 | ||||
11873 | void CGOpenMPSIMDRuntime::emitForOrderedIterationEnd(CodeGenFunction &CGF, | |||
11874 | SourceLocation Loc, | |||
11875 | unsigned IVSize, | |||
11876 | bool IVSigned) { | |||
11877 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11877); | |||
11878 | } | |||
11879 | ||||
11880 | void CGOpenMPSIMDRuntime::emitForStaticFinish(CodeGenFunction &CGF, | |||
11881 | SourceLocation Loc, | |||
11882 | OpenMPDirectiveKind DKind) { | |||
11883 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11883); | |||
11884 | } | |||
11885 | ||||
11886 | llvm::Value *CGOpenMPSIMDRuntime::emitForNext(CodeGenFunction &CGF, | |||
11887 | SourceLocation Loc, | |||
11888 | unsigned IVSize, bool IVSigned, | |||
11889 | Address IL, Address LB, | |||
11890 | Address UB, Address ST) { | |||
11891 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11891); | |||
11892 | } | |||
11893 | ||||
11894 | void CGOpenMPSIMDRuntime::emitNumThreadsClause(CodeGenFunction &CGF, | |||
11895 | llvm::Value *NumThreads, | |||
11896 | SourceLocation Loc) { | |||
11897 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11897); | |||
11898 | } | |||
11899 | ||||
11900 | void CGOpenMPSIMDRuntime::emitProcBindClause(CodeGenFunction &CGF, | |||
11901 | ProcBindKind ProcBind, | |||
11902 | SourceLocation Loc) { | |||
11903 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11903); | |||
11904 | } | |||
11905 | ||||
11906 | Address CGOpenMPSIMDRuntime::getAddrOfThreadPrivate(CodeGenFunction &CGF, | |||
11907 | const VarDecl *VD, | |||
11908 | Address VDAddr, | |||
11909 | SourceLocation Loc) { | |||
11910 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11910); | |||
11911 | } | |||
11912 | ||||
11913 | llvm::Function *CGOpenMPSIMDRuntime::emitThreadPrivateVarDefinition( | |||
11914 | const VarDecl *VD, Address VDAddr, SourceLocation Loc, bool PerformInit, | |||
11915 | CodeGenFunction *CGF) { | |||
11916 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11916); | |||
11917 | } | |||
11918 | ||||
11919 | Address CGOpenMPSIMDRuntime::getAddrOfArtificialThreadPrivate( | |||
11920 | CodeGenFunction &CGF, QualType VarType, StringRef Name) { | |||
11921 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11921); | |||
11922 | } | |||
11923 | ||||
11924 | void CGOpenMPSIMDRuntime::emitFlush(CodeGenFunction &CGF, | |||
11925 | ArrayRef<const Expr *> Vars, | |||
11926 | SourceLocation Loc, | |||
11927 | llvm::AtomicOrdering AO) { | |||
11928 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11928); | |||
11929 | } | |||
11930 | ||||
11931 | void CGOpenMPSIMDRuntime::emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, | |||
11932 | const OMPExecutableDirective &D, | |||
11933 | llvm::Function *TaskFunction, | |||
11934 | QualType SharedsTy, Address Shareds, | |||
11935 | const Expr *IfCond, | |||
11936 | const OMPTaskDataTy &Data) { | |||
11937 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11937); | |||
11938 | } | |||
11939 | ||||
11940 | void CGOpenMPSIMDRuntime::emitTaskLoopCall( | |||
11941 | CodeGenFunction &CGF, SourceLocation Loc, const OMPLoopDirective &D, | |||
11942 | llvm::Function *TaskFunction, QualType SharedsTy, Address Shareds, | |||
11943 | const Expr *IfCond, const OMPTaskDataTy &Data) { | |||
11944 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11944); | |||
11945 | } | |||
11946 | ||||
11947 | void CGOpenMPSIMDRuntime::emitReduction( | |||
11948 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> Privates, | |||
11949 | ArrayRef<const Expr *> LHSExprs, ArrayRef<const Expr *> RHSExprs, | |||
11950 | ArrayRef<const Expr *> ReductionOps, ReductionOptionsTy Options) { | |||
11951 | 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~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11951, __PRETTY_FUNCTION__)); | |||
11952 | CGOpenMPRuntime::emitReduction(CGF, Loc, Privates, LHSExprs, RHSExprs, | |||
11953 | ReductionOps, Options); | |||
11954 | } | |||
11955 | ||||
11956 | llvm::Value *CGOpenMPSIMDRuntime::emitTaskReductionInit( | |||
11957 | CodeGenFunction &CGF, SourceLocation Loc, ArrayRef<const Expr *> LHSExprs, | |||
11958 | ArrayRef<const Expr *> RHSExprs, const OMPTaskDataTy &Data) { | |||
11959 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11959); | |||
11960 | } | |||
11961 | ||||
11962 | void CGOpenMPSIMDRuntime::emitTaskReductionFixups(CodeGenFunction &CGF, | |||
11963 | SourceLocation Loc, | |||
11964 | ReductionCodeGen &RCG, | |||
11965 | unsigned N) { | |||
11966 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11966); | |||
11967 | } | |||
11968 | ||||
11969 | Address CGOpenMPSIMDRuntime::getTaskReductionItem(CodeGenFunction &CGF, | |||
11970 | SourceLocation Loc, | |||
11971 | llvm::Value *ReductionsPtr, | |||
11972 | LValue SharedLVal) { | |||
11973 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11973); | |||
11974 | } | |||
11975 | ||||
11976 | void CGOpenMPSIMDRuntime::emitTaskwaitCall(CodeGenFunction &CGF, | |||
11977 | SourceLocation Loc) { | |||
11978 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11978); | |||
11979 | } | |||
11980 | ||||
11981 | void CGOpenMPSIMDRuntime::emitCancellationPointCall( | |||
11982 | CodeGenFunction &CGF, SourceLocation Loc, | |||
11983 | OpenMPDirectiveKind CancelRegion) { | |||
11984 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11984); | |||
11985 | } | |||
11986 | ||||
11987 | void CGOpenMPSIMDRuntime::emitCancelCall(CodeGenFunction &CGF, | |||
11988 | SourceLocation Loc, const Expr *IfCond, | |||
11989 | OpenMPDirectiveKind CancelRegion) { | |||
11990 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11990); | |||
11991 | } | |||
11992 | ||||
11993 | void CGOpenMPSIMDRuntime::emitTargetOutlinedFunction( | |||
11994 | const OMPExecutableDirective &D, StringRef ParentName, | |||
11995 | llvm::Function *&OutlinedFn, llvm::Constant *&OutlinedFnID, | |||
11996 | bool IsOffloadEntry, const RegionCodeGenTy &CodeGen) { | |||
11997 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 11997); | |||
11998 | } | |||
11999 | ||||
12000 | void CGOpenMPSIMDRuntime::emitTargetCall( | |||
12001 | CodeGenFunction &CGF, const OMPExecutableDirective &D, | |||
12002 | llvm::Function *OutlinedFn, llvm::Value *OutlinedFnID, const Expr *IfCond, | |||
12003 | const Expr *Device, | |||
12004 | llvm::function_ref<llvm::Value *(CodeGenFunction &CGF, | |||
12005 | const OMPLoopDirective &D)> | |||
12006 | SizeEmitter) { | |||
12007 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12007); | |||
12008 | } | |||
12009 | ||||
12010 | bool CGOpenMPSIMDRuntime::emitTargetFunctions(GlobalDecl GD) { | |||
12011 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12011); | |||
12012 | } | |||
12013 | ||||
12014 | bool CGOpenMPSIMDRuntime::emitTargetGlobalVariable(GlobalDecl GD) { | |||
12015 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12015); | |||
12016 | } | |||
12017 | ||||
12018 | bool CGOpenMPSIMDRuntime::emitTargetGlobal(GlobalDecl GD) { | |||
12019 | return false; | |||
12020 | } | |||
12021 | ||||
12022 | void CGOpenMPSIMDRuntime::emitTeamsCall(CodeGenFunction &CGF, | |||
12023 | const OMPExecutableDirective &D, | |||
12024 | SourceLocation Loc, | |||
12025 | llvm::Function *OutlinedFn, | |||
12026 | ArrayRef<llvm::Value *> CapturedVars) { | |||
12027 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12027); | |||
12028 | } | |||
12029 | ||||
12030 | void CGOpenMPSIMDRuntime::emitNumTeamsClause(CodeGenFunction &CGF, | |||
12031 | const Expr *NumTeams, | |||
12032 | const Expr *ThreadLimit, | |||
12033 | SourceLocation Loc) { | |||
12034 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12034); | |||
12035 | } | |||
12036 | ||||
12037 | void CGOpenMPSIMDRuntime::emitTargetDataCalls( | |||
12038 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
12039 | const Expr *Device, const RegionCodeGenTy &CodeGen, TargetDataInfo &Info) { | |||
12040 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12040); | |||
12041 | } | |||
12042 | ||||
12043 | void CGOpenMPSIMDRuntime::emitTargetDataStandAloneCall( | |||
12044 | CodeGenFunction &CGF, const OMPExecutableDirective &D, const Expr *IfCond, | |||
12045 | const Expr *Device) { | |||
12046 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12046); | |||
12047 | } | |||
12048 | ||||
12049 | void CGOpenMPSIMDRuntime::emitDoacrossInit(CodeGenFunction &CGF, | |||
12050 | const OMPLoopDirective &D, | |||
12051 | ArrayRef<Expr *> NumIterations) { | |||
12052 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12052); | |||
12053 | } | |||
12054 | ||||
12055 | void CGOpenMPSIMDRuntime::emitDoacrossOrdered(CodeGenFunction &CGF, | |||
12056 | const OMPDependClause *C) { | |||
12057 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12057); | |||
12058 | } | |||
12059 | ||||
12060 | const VarDecl * | |||
12061 | CGOpenMPSIMDRuntime::translateParameter(const FieldDecl *FD, | |||
12062 | const VarDecl *NativeParam) const { | |||
12063 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12063); | |||
12064 | } | |||
12065 | ||||
12066 | Address | |||
12067 | CGOpenMPSIMDRuntime::getParameterAddress(CodeGenFunction &CGF, | |||
12068 | const VarDecl *NativeParam, | |||
12069 | const VarDecl *TargetParam) const { | |||
12070 | llvm_unreachable("Not supported in SIMD-only mode")::llvm::llvm_unreachable_internal("Not supported in SIMD-only mode" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/CodeGen/CGOpenMPRuntime.cpp" , 12070); | |||
12071 | } |
1 | //===- Optional.h - Simple variant for passing optional values --*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file provides Optional, a template class modeled in the spirit of |
10 | // OCaml's 'opt' variant. The idea is to strongly type whether or not |
11 | // a value can be optional. |
12 | // |
13 | //===----------------------------------------------------------------------===// |
14 | |
15 | #ifndef LLVM_ADT_OPTIONAL_H |
16 | #define LLVM_ADT_OPTIONAL_H |
17 | |
18 | #include "llvm/ADT/None.h" |
19 | #include "llvm/Support/Compiler.h" |
20 | #include "llvm/Support/type_traits.h" |
21 | #include <cassert> |
22 | #include <memory> |
23 | #include <new> |
24 | #include <utility> |
25 | |
26 | namespace llvm { |
27 | |
28 | class raw_ostream; |
29 | |
30 | namespace optional_detail { |
31 | |
32 | struct in_place_t {}; |
33 | |
34 | /// Storage for any type. |
35 | template <typename T, bool = is_trivially_copyable<T>::value> |
36 | class OptionalStorage { |
37 | union { |
38 | char empty; |
39 | T value; |
40 | }; |
41 | bool hasVal; |
42 | |
43 | public: |
44 | ~OptionalStorage() { reset(); } |
45 | |
46 | OptionalStorage() noexcept : empty(), hasVal(false) {} |
47 | |
48 | OptionalStorage(OptionalStorage const &other) : OptionalStorage() { |
49 | if (other.hasValue()) { |
50 | emplace(other.value); |
51 | } |
52 | } |
53 | OptionalStorage(OptionalStorage &&other) : OptionalStorage() { |
54 | if (other.hasValue()) { |
55 | emplace(std::move(other.value)); |
56 | } |
57 | } |
58 | |
59 | template <class... Args> |
60 | explicit OptionalStorage(in_place_t, Args &&... args) |
61 | : value(std::forward<Args>(args)...), hasVal(true) {} |
62 | |
63 | void reset() noexcept { |
64 | if (hasVal) { |
65 | value.~T(); |
66 | hasVal = false; |
67 | } |
68 | } |
69 | |
70 | bool hasValue() const noexcept { return hasVal; } |
71 | |
72 | T &getValue() LLVM_LVALUE_FUNCTION& noexcept { |
73 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 73, __PRETTY_FUNCTION__)); |
74 | return value; |
75 | } |
76 | T const &getValue() const LLVM_LVALUE_FUNCTION& noexcept { |
77 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 77, __PRETTY_FUNCTION__)); |
78 | return value; |
79 | } |
80 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
81 | T &&getValue() && noexcept { |
82 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 82, __PRETTY_FUNCTION__)); |
83 | return std::move(value); |
84 | } |
85 | #endif |
86 | |
87 | template <class... Args> void emplace(Args &&... args) { |
88 | reset(); |
89 | ::new ((void *)std::addressof(value)) T(std::forward<Args>(args)...); |
90 | hasVal = true; |
91 | } |
92 | |
93 | OptionalStorage &operator=(T const &y) { |
94 | if (hasValue()) { |
95 | value = y; |
96 | } else { |
97 | ::new ((void *)std::addressof(value)) T(y); |
98 | hasVal = true; |
99 | } |
100 | return *this; |
101 | } |
102 | OptionalStorage &operator=(T &&y) { |
103 | if (hasValue()) { |
104 | value = std::move(y); |
105 | } else { |
106 | ::new ((void *)std::addressof(value)) T(std::move(y)); |
107 | hasVal = true; |
108 | } |
109 | return *this; |
110 | } |
111 | |
112 | OptionalStorage &operator=(OptionalStorage const &other) { |
113 | if (other.hasValue()) { |
114 | if (hasValue()) { |
115 | value = other.value; |
116 | } else { |
117 | ::new ((void *)std::addressof(value)) T(other.value); |
118 | hasVal = true; |
119 | } |
120 | } else { |
121 | reset(); |
122 | } |
123 | return *this; |
124 | } |
125 | |
126 | OptionalStorage &operator=(OptionalStorage &&other) { |
127 | if (other.hasValue()) { |
128 | if (hasValue()) { |
129 | value = std::move(other.value); |
130 | } else { |
131 | ::new ((void *)std::addressof(value)) T(std::move(other.value)); |
132 | hasVal = true; |
133 | } |
134 | } else { |
135 | reset(); |
136 | } |
137 | return *this; |
138 | } |
139 | }; |
140 | |
141 | template <typename T> class OptionalStorage<T, true> { |
142 | union { |
143 | char empty; |
144 | T value; |
145 | }; |
146 | bool hasVal = false; |
147 | |
148 | public: |
149 | ~OptionalStorage() = default; |
150 | |
151 | OptionalStorage() noexcept : empty{} {} |
152 | |
153 | OptionalStorage(OptionalStorage const &other) = default; |
154 | OptionalStorage(OptionalStorage &&other) = default; |
155 | |
156 | OptionalStorage &operator=(OptionalStorage const &other) = default; |
157 | OptionalStorage &operator=(OptionalStorage &&other) = default; |
158 | |
159 | template <class... Args> |
160 | explicit OptionalStorage(in_place_t, Args &&... args) |
161 | : value(std::forward<Args>(args)...), hasVal(true) {} |
162 | |
163 | void reset() noexcept { |
164 | if (hasVal) { |
165 | value.~T(); |
166 | hasVal = false; |
167 | } |
168 | } |
169 | |
170 | bool hasValue() const noexcept { return hasVal; } |
171 | |
172 | T &getValue() LLVM_LVALUE_FUNCTION& noexcept { |
173 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 173, __PRETTY_FUNCTION__)); |
174 | return value; |
175 | } |
176 | T const &getValue() const LLVM_LVALUE_FUNCTION& noexcept { |
177 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 177, __PRETTY_FUNCTION__)); |
178 | return value; |
179 | } |
180 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
181 | T &&getValue() && noexcept { |
182 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 182, __PRETTY_FUNCTION__)); |
183 | return std::move(value); |
184 | } |
185 | #endif |
186 | |
187 | template <class... Args> void emplace(Args &&... args) { |
188 | reset(); |
189 | ::new ((void *)std::addressof(value)) T(std::forward<Args>(args)...); |
190 | hasVal = true; |
191 | } |
192 | |
193 | OptionalStorage &operator=(T const &y) { |
194 | if (hasValue()) { |
195 | value = y; |
196 | } else { |
197 | ::new ((void *)std::addressof(value)) T(y); |
198 | hasVal = true; |
199 | } |
200 | return *this; |
201 | } |
202 | OptionalStorage &operator=(T &&y) { |
203 | if (hasValue()) { |
204 | value = std::move(y); |
205 | } else { |
206 | ::new ((void *)std::addressof(value)) T(std::move(y)); |
207 | hasVal = true; |
208 | } |
209 | return *this; |
210 | } |
211 | }; |
212 | |
213 | } // namespace optional_detail |
214 | |
215 | template <typename T> class Optional { |
216 | optional_detail::OptionalStorage<T> Storage; |
217 | |
218 | public: |
219 | using value_type = T; |
220 | |
221 | constexpr Optional() {} |
222 | constexpr Optional(NoneType) {} |
223 | |
224 | Optional(const T &y) : Storage(optional_detail::in_place_t{}, y) {} |
225 | Optional(const Optional &O) = default; |
226 | |
227 | Optional(T &&y) : Storage(optional_detail::in_place_t{}, std::move(y)) {} |
228 | Optional(Optional &&O) = default; |
229 | |
230 | Optional &operator=(T &&y) { |
231 | Storage = std::move(y); |
232 | return *this; |
233 | } |
234 | Optional &operator=(Optional &&O) = default; |
235 | |
236 | /// Create a new object by constructing it in place with the given arguments. |
237 | template <typename... ArgTypes> void emplace(ArgTypes &&... Args) { |
238 | Storage.emplace(std::forward<ArgTypes>(Args)...); |
239 | } |
240 | |
241 | static inline Optional create(const T *y) { |
242 | return y ? Optional(*y) : Optional(); |
243 | } |
244 | |
245 | Optional &operator=(const T &y) { |
246 | Storage = y; |
247 | return *this; |
248 | } |
249 | Optional &operator=(const Optional &O) = default; |
250 | |
251 | void reset() { Storage.reset(); } |
252 | |
253 | const T *getPointer() const { return &Storage.getValue(); } |
254 | T *getPointer() { return &Storage.getValue(); } |
255 | const T &getValue() const LLVM_LVALUE_FUNCTION& { return Storage.getValue(); } |
256 | T &getValue() LLVM_LVALUE_FUNCTION& { return Storage.getValue(); } |
257 | |
258 | explicit operator bool() const { return hasValue(); } |
259 | bool hasValue() const { return Storage.hasValue(); } |
260 | const T *operator->() const { return getPointer(); } |
261 | T *operator->() { return getPointer(); } |
262 | const T &operator*() const LLVM_LVALUE_FUNCTION& { return getValue(); } |
263 | T &operator*() LLVM_LVALUE_FUNCTION& { return getValue(); } |
264 | |
265 | template <typename U> |
266 | constexpr T getValueOr(U &&value) const LLVM_LVALUE_FUNCTION& { |
267 | return hasValue() ? getValue() : std::forward<U>(value); |
268 | } |
269 | |
270 | /// Apply a function to the value if present; otherwise return None. |
271 | template <class Function> |
272 | auto map(const Function &F) const LLVM_LVALUE_FUNCTION& |
273 | -> Optional<decltype(F(getValue()))> { |
274 | if (*this) return F(getValue()); |
275 | return None; |
276 | } |
277 | |
278 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
279 | T &&getValue() && { return std::move(Storage.getValue()); } |
280 | T &&operator*() && { return std::move(Storage.getValue()); } |
281 | |
282 | template <typename U> |
283 | T getValueOr(U &&value) && { |
284 | return hasValue() ? std::move(getValue()) : std::forward<U>(value); |
285 | } |
286 | |
287 | /// Apply a function to the value if present; otherwise return None. |
288 | template <class Function> |
289 | auto map(const Function &F) && |
290 | -> Optional<decltype(F(std::move(*this).getValue()))> { |
291 | if (*this) return F(std::move(*this).getValue()); |
292 | return None; |
293 | } |
294 | #endif |
295 | }; |
296 | |
297 | template <typename T, typename U> |
298 | bool operator==(const Optional<T> &X, const Optional<U> &Y) { |
299 | if (X && Y) |
300 | return *X == *Y; |
301 | return X.hasValue() == Y.hasValue(); |
302 | } |
303 | |
304 | template <typename T, typename U> |
305 | bool operator!=(const Optional<T> &X, const Optional<U> &Y) { |
306 | return !(X == Y); |
307 | } |
308 | |
309 | template <typename T, typename U> |
310 | bool operator<(const Optional<T> &X, const Optional<U> &Y) { |
311 | if (X && Y) |
312 | return *X < *Y; |
313 | return X.hasValue() < Y.hasValue(); |
314 | } |
315 | |
316 | template <typename T, typename U> |
317 | bool operator<=(const Optional<T> &X, const Optional<U> &Y) { |
318 | return !(Y < X); |
319 | } |
320 | |
321 | template <typename T, typename U> |
322 | bool operator>(const Optional<T> &X, const Optional<U> &Y) { |
323 | return Y < X; |
324 | } |
325 | |
326 | template <typename T, typename U> |
327 | bool operator>=(const Optional<T> &X, const Optional<U> &Y) { |
328 | return !(X < Y); |
329 | } |
330 | |
331 | template<typename T> |
332 | bool operator==(const Optional<T> &X, NoneType) { |
333 | return !X; |
334 | } |
335 | |
336 | template<typename T> |
337 | bool operator==(NoneType, const Optional<T> &X) { |
338 | return X == None; |
339 | } |
340 | |
341 | template<typename T> |
342 | bool operator!=(const Optional<T> &X, NoneType) { |
343 | return !(X == None); |
344 | } |
345 | |
346 | template<typename T> |
347 | bool operator!=(NoneType, const Optional<T> &X) { |
348 | return X != None; |
349 | } |
350 | |
351 | template <typename T> bool operator<(const Optional<T> &X, NoneType) { |
352 | return false; |
353 | } |
354 | |
355 | template <typename T> bool operator<(NoneType, const Optional<T> &X) { |
356 | return X.hasValue(); |
357 | } |
358 | |
359 | template <typename T> bool operator<=(const Optional<T> &X, NoneType) { |
360 | return !(None < X); |
361 | } |
362 | |
363 | template <typename T> bool operator<=(NoneType, const Optional<T> &X) { |
364 | return !(X < None); |
365 | } |
366 | |
367 | template <typename T> bool operator>(const Optional<T> &X, NoneType) { |
368 | return None < X; |
369 | } |
370 | |
371 | template <typename T> bool operator>(NoneType, const Optional<T> &X) { |
372 | return X < None; |
373 | } |
374 | |
375 | template <typename T> bool operator>=(const Optional<T> &X, NoneType) { |
376 | return None <= X; |
377 | } |
378 | |
379 | template <typename T> bool operator>=(NoneType, const Optional<T> &X) { |
380 | return X <= None; |
381 | } |
382 | |
383 | template <typename T> bool operator==(const Optional<T> &X, const T &Y) { |
384 | return X && *X == Y; |
385 | } |
386 | |
387 | template <typename T> bool operator==(const T &X, const Optional<T> &Y) { |
388 | return Y && X == *Y; |
389 | } |
390 | |
391 | template <typename T> bool operator!=(const Optional<T> &X, const T &Y) { |
392 | return !(X == Y); |
393 | } |
394 | |
395 | template <typename T> bool operator!=(const T &X, const Optional<T> &Y) { |
396 | return !(X == Y); |
397 | } |
398 | |
399 | template <typename T> bool operator<(const Optional<T> &X, const T &Y) { |
400 | return !X || *X < Y; |
401 | } |
402 | |
403 | template <typename T> bool operator<(const T &X, const Optional<T> &Y) { |
404 | return Y && X < *Y; |
405 | } |
406 | |
407 | template <typename T> bool operator<=(const Optional<T> &X, const T &Y) { |
408 | return !(Y < X); |
409 | } |
410 | |
411 | template <typename T> bool operator<=(const T &X, const Optional<T> &Y) { |
412 | return !(Y < X); |
413 | } |
414 | |
415 | template <typename T> bool operator>(const Optional<T> &X, const T &Y) { |
416 | return Y < X; |
417 | } |
418 | |
419 | template <typename T> bool operator>(const T &X, const Optional<T> &Y) { |
420 | return Y < X; |
421 | } |
422 | |
423 | template <typename T> bool operator>=(const Optional<T> &X, const T &Y) { |
424 | return !(X < Y); |
425 | } |
426 | |
427 | template <typename T> bool operator>=(const T &X, const Optional<T> &Y) { |
428 | return !(X < Y); |
429 | } |
430 | |
431 | raw_ostream &operator<<(raw_ostream &OS, NoneType); |
432 | |
433 | template <typename T, typename = decltype(std::declval<raw_ostream &>() |
434 | << std::declval<const T &>())> |
435 | raw_ostream &operator<<(raw_ostream &OS, const Optional<T> &O) { |
436 | if (O) |
437 | OS << *O; |
438 | else |
439 | OS << None; |
440 | return OS; |
441 | } |
442 | |
443 | } // end namespace llvm |
444 | |
445 | #endif // LLVM_ADT_OPTIONAL_H |