/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/CodeGen/CGOpenMPRuntimeGPU.h
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1 | | //===------ CGOpenMPRuntimeGPU.h - Interface to OpenMP GPU 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 generalized class for OpenMP runtime code generation |
10 | | // specialized by GPU targets NVPTX and AMDGCN. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_CLANG_LIB_CODEGEN_CGOPENMPRUNTIMEGPU_H |
15 | | #define LLVM_CLANG_LIB_CODEGEN_CGOPENMPRUNTIMEGPU_H |
16 | | |
17 | | #include "CGOpenMPRuntime.h" |
18 | | #include "CodeGenFunction.h" |
19 | | #include "clang/AST/StmtOpenMP.h" |
20 | | |
21 | | namespace clang { |
22 | | namespace CodeGen { |
23 | | |
24 | | class CGOpenMPRuntimeGPU : public CGOpenMPRuntime { |
25 | | public: |
26 | | /// Defines the execution mode. |
27 | | enum ExecutionMode { |
28 | | /// SPMD execution mode (all threads are worker threads). |
29 | | EM_SPMD, |
30 | | /// Non-SPMD execution mode (1 master thread, others are workers). |
31 | | EM_NonSPMD, |
32 | | /// Unknown execution mode (orphaned directive). |
33 | | EM_Unknown, |
34 | | }; |
35 | | private: |
36 | | /// Parallel outlined function work for workers to execute. |
37 | | llvm::SmallVector<llvm::Function *, 16> Work; |
38 | | |
39 | | struct EntryFunctionState { |
40 | | SourceLocation Loc; |
41 | | }; |
42 | | |
43 | | ExecutionMode getExecutionMode() const; |
44 | | |
45 | 4.25k | bool requiresFullRuntime() const { return RequiresFullRuntime; } |
46 | | |
47 | | /// Get barrier to synchronize all threads in a block. |
48 | | void syncCTAThreads(CodeGenFunction &CGF); |
49 | | |
50 | | /// Helper for target directive initialization. |
51 | | void emitKernelInit(CodeGenFunction &CGF, EntryFunctionState &EST, |
52 | | bool IsSPMD); |
53 | | |
54 | | /// Helper for target directive finalization. |
55 | | void emitKernelDeinit(CodeGenFunction &CGF, EntryFunctionState &EST, |
56 | | bool IsSPMD); |
57 | | |
58 | | /// Helper for generic variables globalization prolog. |
59 | | void emitGenericVarsProlog(CodeGenFunction &CGF, SourceLocation Loc, |
60 | | bool WithSPMDCheck = false); |
61 | | |
62 | | /// Helper for generic variables globalization epilog. |
63 | | void emitGenericVarsEpilog(CodeGenFunction &CGF, bool WithSPMDCheck = false); |
64 | | |
65 | | // |
66 | | // Base class overrides. |
67 | | // |
68 | | |
69 | | /// Creates offloading entry for the provided entry ID \a ID, |
70 | | /// address \a Addr, size \a Size, and flags \a Flags. |
71 | | void createOffloadEntry(llvm::Constant *ID, llvm::Constant *Addr, |
72 | | uint64_t Size, int32_t Flags, |
73 | | llvm::GlobalValue::LinkageTypes Linkage) override; |
74 | | |
75 | | /// Emit outlined function specialized for the Fork-Join |
76 | | /// programming model for applicable target directives on the NVPTX device. |
77 | | /// \param D Directive to emit. |
78 | | /// \param ParentName Name of the function that encloses the target region. |
79 | | /// \param OutlinedFn Outlined function value to be defined by this call. |
80 | | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
81 | | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
82 | | /// An outlined function may not be an entry if, e.g. the if clause always |
83 | | /// evaluates to false. |
84 | | void emitNonSPMDKernel(const OMPExecutableDirective &D, StringRef ParentName, |
85 | | llvm::Function *&OutlinedFn, |
86 | | llvm::Constant *&OutlinedFnID, bool IsOffloadEntry, |
87 | | const RegionCodeGenTy &CodeGen); |
88 | | |
89 | | /// Emit outlined function specialized for the Single Program |
90 | | /// Multiple Data programming model for applicable target directives on the |
91 | | /// NVPTX device. |
92 | | /// \param D Directive to emit. |
93 | | /// \param ParentName Name of the function that encloses the target region. |
94 | | /// \param OutlinedFn Outlined function value to be defined by this call. |
95 | | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
96 | | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
97 | | /// \param CodeGen Object containing the target statements. |
98 | | /// An outlined function may not be an entry if, e.g. the if clause always |
99 | | /// evaluates to false. |
100 | | void emitSPMDKernel(const OMPExecutableDirective &D, StringRef ParentName, |
101 | | llvm::Function *&OutlinedFn, |
102 | | llvm::Constant *&OutlinedFnID, bool IsOffloadEntry, |
103 | | const RegionCodeGenTy &CodeGen); |
104 | | |
105 | | /// Emit outlined function for 'target' directive on the NVPTX |
106 | | /// device. |
107 | | /// \param D Directive to emit. |
108 | | /// \param ParentName Name of the function that encloses the target region. |
109 | | /// \param OutlinedFn Outlined function value to be defined by this call. |
110 | | /// \param OutlinedFnID Outlined function ID value to be defined by this call. |
111 | | /// \param IsOffloadEntry True if the outlined function is an offload entry. |
112 | | /// An outlined function may not be an entry if, e.g. the if clause always |
113 | | /// evaluates to false. |
114 | | void emitTargetOutlinedFunction(const OMPExecutableDirective &D, |
115 | | StringRef ParentName, |
116 | | llvm::Function *&OutlinedFn, |
117 | | llvm::Constant *&OutlinedFnID, |
118 | | bool IsOffloadEntry, |
119 | | const RegionCodeGenTy &CodeGen) override; |
120 | | |
121 | | /// Emits code for parallel or serial call of the \a OutlinedFn with |
122 | | /// variables captured in a record which address is stored in \a |
123 | | /// CapturedStruct. |
124 | | /// This call is for the Non-SPMD Execution Mode. |
125 | | /// \param OutlinedFn Outlined function to be run in parallel threads. Type of |
126 | | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
127 | | /// \param CapturedVars A pointer to the record with the references to |
128 | | /// variables used in \a OutlinedFn function. |
129 | | /// \param IfCond Condition in the associated 'if' clause, if it was |
130 | | /// specified, nullptr otherwise. |
131 | | void emitNonSPMDParallelCall(CodeGenFunction &CGF, SourceLocation Loc, |
132 | | llvm::Value *OutlinedFn, |
133 | | ArrayRef<llvm::Value *> CapturedVars, |
134 | | const Expr *IfCond); |
135 | | |
136 | | /// Emits code for parallel or serial call of the \a OutlinedFn with |
137 | | /// variables captured in a record which address is stored in \a |
138 | | /// CapturedStruct. |
139 | | /// This call is for a parallel directive within an SPMD target directive. |
140 | | /// \param OutlinedFn Outlined function to be run in parallel threads. Type of |
141 | | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
142 | | /// \param CapturedVars A pointer to the record with the references to |
143 | | /// variables used in \a OutlinedFn function. |
144 | | /// \param IfCond Condition in the associated 'if' clause, if it was |
145 | | /// specified, nullptr otherwise. |
146 | | /// |
147 | | void emitSPMDParallelCall(CodeGenFunction &CGF, SourceLocation Loc, |
148 | | llvm::Function *OutlinedFn, |
149 | | ArrayRef<llvm::Value *> CapturedVars, |
150 | | const Expr *IfCond); |
151 | | |
152 | | protected: |
153 | | /// Get the function name of an outlined region. |
154 | | // The name can be customized depending on the target. |
155 | | // |
156 | 888 | StringRef getOutlinedHelperName() const override { |
157 | 888 | return "__omp_outlined__"; |
158 | 888 | } |
159 | | |
160 | | /// Check if the default location must be constant. |
161 | | /// Constant for NVPTX for better optimization. |
162 | 0 | bool isDefaultLocationConstant() const override { return true; } |
163 | | |
164 | | /// Returns additional flags that can be stored in reserved_2 field of the |
165 | | /// default location. |
166 | | /// For NVPTX target contains data about SPMD/Non-SPMD execution mode + |
167 | | /// Full/Lightweight runtime mode. Used for better optimization. |
168 | | unsigned getDefaultLocationReserved2Flags() const override; |
169 | | |
170 | | public: |
171 | | explicit CGOpenMPRuntimeGPU(CodeGenModule &CGM); |
172 | | void clear() override; |
173 | | |
174 | | /// Declare generalized virtual functions which need to be defined |
175 | | /// by all specializations of OpenMPGPURuntime Targets like AMDGCN |
176 | | /// and NVPTX. |
177 | | |
178 | | /// Get the GPU warp size. |
179 | | llvm::Value *getGPUWarpSize(CodeGenFunction &CGF); |
180 | | |
181 | | /// Get the id of the current thread on the GPU. |
182 | | llvm::Value *getGPUThreadID(CodeGenFunction &CGF); |
183 | | |
184 | | /// Get the maximum number of threads in a block of the GPU. |
185 | | llvm::Value *getGPUNumThreads(CodeGenFunction &CGF); |
186 | | |
187 | | /// Emit call to void __kmpc_push_proc_bind(ident_t *loc, kmp_int32 |
188 | | /// global_tid, int proc_bind) to generate code for 'proc_bind' clause. |
189 | | virtual void emitProcBindClause(CodeGenFunction &CGF, |
190 | | llvm::omp::ProcBindKind ProcBind, |
191 | | SourceLocation Loc) override; |
192 | | |
193 | | /// Emits call to void __kmpc_push_num_threads(ident_t *loc, kmp_int32 |
194 | | /// global_tid, kmp_int32 num_threads) to generate code for 'num_threads' |
195 | | /// clause. |
196 | | /// \param NumThreads An integer value of threads. |
197 | | virtual void emitNumThreadsClause(CodeGenFunction &CGF, |
198 | | llvm::Value *NumThreads, |
199 | | SourceLocation Loc) override; |
200 | | |
201 | | /// This function ought to emit, in the general case, a call to |
202 | | // the openmp runtime kmpc_push_num_teams. In NVPTX backend it is not needed |
203 | | // as these numbers are obtained through the PTX grid and block configuration. |
204 | | /// \param NumTeams An integer expression of teams. |
205 | | /// \param ThreadLimit An integer expression of threads. |
206 | | void emitNumTeamsClause(CodeGenFunction &CGF, const Expr *NumTeams, |
207 | | const Expr *ThreadLimit, SourceLocation Loc) override; |
208 | | |
209 | | /// Emits inlined function for the specified OpenMP parallel |
210 | | // directive. |
211 | | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
212 | | /// kmp_int32 BoundID, struct context_vars*). |
213 | | /// \param D OpenMP directive. |
214 | | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
215 | | /// \param InnermostKind Kind of innermost directive (for simple directives it |
216 | | /// is a directive itself, for combined - its innermost directive). |
217 | | /// \param CodeGen Code generation sequence for the \a D directive. |
218 | | llvm::Function * |
219 | | emitParallelOutlinedFunction(const OMPExecutableDirective &D, |
220 | | const VarDecl *ThreadIDVar, |
221 | | OpenMPDirectiveKind InnermostKind, |
222 | | const RegionCodeGenTy &CodeGen) override; |
223 | | |
224 | | /// Emits inlined function for the specified OpenMP teams |
225 | | // directive. |
226 | | /// \a D. This outlined function has type void(*)(kmp_int32 *ThreadID, |
227 | | /// kmp_int32 BoundID, struct context_vars*). |
228 | | /// \param D OpenMP directive. |
229 | | /// \param ThreadIDVar Variable for thread id in the current OpenMP region. |
230 | | /// \param InnermostKind Kind of innermost directive (for simple directives it |
231 | | /// is a directive itself, for combined - its innermost directive). |
232 | | /// \param CodeGen Code generation sequence for the \a D directive. |
233 | | llvm::Function * |
234 | | emitTeamsOutlinedFunction(const OMPExecutableDirective &D, |
235 | | const VarDecl *ThreadIDVar, |
236 | | OpenMPDirectiveKind InnermostKind, |
237 | | const RegionCodeGenTy &CodeGen) override; |
238 | | |
239 | | /// Emits code for teams call of the \a OutlinedFn with |
240 | | /// variables captured in a record which address is stored in \a |
241 | | /// CapturedStruct. |
242 | | /// \param OutlinedFn Outlined function to be run by team masters. Type of |
243 | | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
244 | | /// \param CapturedVars A pointer to the record with the references to |
245 | | /// variables used in \a OutlinedFn function. |
246 | | /// |
247 | | void emitTeamsCall(CodeGenFunction &CGF, const OMPExecutableDirective &D, |
248 | | SourceLocation Loc, llvm::Function *OutlinedFn, |
249 | | ArrayRef<llvm::Value *> CapturedVars) override; |
250 | | |
251 | | /// Emits code for parallel or serial call of the \a OutlinedFn with |
252 | | /// variables captured in a record which address is stored in \a |
253 | | /// CapturedStruct. |
254 | | /// \param OutlinedFn Outlined function to be run in parallel threads. Type of |
255 | | /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*). |
256 | | /// \param CapturedVars A pointer to the record with the references to |
257 | | /// variables used in \a OutlinedFn function. |
258 | | /// \param IfCond Condition in the associated 'if' clause, if it was |
259 | | /// specified, nullptr otherwise. |
260 | | /// \param NumThreads The value corresponding to the num_threads clause, if |
261 | | /// any, |
262 | | /// or nullptr. |
263 | | void emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc, |
264 | | llvm::Function *OutlinedFn, |
265 | | ArrayRef<llvm::Value *> CapturedVars, |
266 | | const Expr *IfCond, llvm::Value *NumThreads) override; |
267 | | |
268 | | /// Emit an implicit/explicit barrier for OpenMP threads. |
269 | | /// \param Kind Directive for which this implicit barrier call must be |
270 | | /// generated. Must be OMPD_barrier for explicit barrier generation. |
271 | | /// \param EmitChecks true if need to emit checks for cancellation barriers. |
272 | | /// \param ForceSimpleCall true simple barrier call must be emitted, false if |
273 | | /// runtime class decides which one to emit (simple or with cancellation |
274 | | /// checks). |
275 | | /// |
276 | | void emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc, |
277 | | OpenMPDirectiveKind Kind, bool EmitChecks = true, |
278 | | bool ForceSimpleCall = false) override; |
279 | | |
280 | | /// Emits a critical region. |
281 | | /// \param CriticalName Name of the critical region. |
282 | | /// \param CriticalOpGen Generator for the statement associated with the given |
283 | | /// critical region. |
284 | | /// \param Hint Value of the 'hint' clause (optional). |
285 | | void emitCriticalRegion(CodeGenFunction &CGF, StringRef CriticalName, |
286 | | const RegionCodeGenTy &CriticalOpGen, |
287 | | SourceLocation Loc, |
288 | | const Expr *Hint = nullptr) override; |
289 | | |
290 | | /// Emit a code for reduction clause. |
291 | | /// |
292 | | /// \param Privates List of private copies for original reduction arguments. |
293 | | /// \param LHSExprs List of LHS in \a ReductionOps reduction operations. |
294 | | /// \param RHSExprs List of RHS in \a ReductionOps reduction operations. |
295 | | /// \param ReductionOps List of reduction operations in form 'LHS binop RHS' |
296 | | /// or 'operator binop(LHS, RHS)'. |
297 | | /// \param Options List of options for reduction codegen: |
298 | | /// WithNowait true if parent directive has also nowait clause, false |
299 | | /// otherwise. |
300 | | /// SimpleReduction Emit reduction operation only. Used for omp simd |
301 | | /// directive on the host. |
302 | | /// ReductionKind The kind of reduction to perform. |
303 | | virtual void emitReduction(CodeGenFunction &CGF, SourceLocation Loc, |
304 | | ArrayRef<const Expr *> Privates, |
305 | | ArrayRef<const Expr *> LHSExprs, |
306 | | ArrayRef<const Expr *> RHSExprs, |
307 | | ArrayRef<const Expr *> ReductionOps, |
308 | | ReductionOptionsTy Options) override; |
309 | | |
310 | | /// Returns specified OpenMP runtime function for the current OpenMP |
311 | | /// implementation. Specialized for the NVPTX device. |
312 | | /// \param Function OpenMP runtime function. |
313 | | /// \return Specified function. |
314 | | llvm::FunctionCallee createNVPTXRuntimeFunction(unsigned Function); |
315 | | |
316 | | /// Translates the native parameter of outlined function if this is required |
317 | | /// for target. |
318 | | /// \param FD Field decl from captured record for the parameter. |
319 | | /// \param NativeParam Parameter itself. |
320 | | const VarDecl *translateParameter(const FieldDecl *FD, |
321 | | const VarDecl *NativeParam) const override; |
322 | | |
323 | | /// Gets the address of the native argument basing on the address of the |
324 | | /// target-specific parameter. |
325 | | /// \param NativeParam Parameter itself. |
326 | | /// \param TargetParam Corresponding target-specific parameter. |
327 | | Address getParameterAddress(CodeGenFunction &CGF, const VarDecl *NativeParam, |
328 | | const VarDecl *TargetParam) const override; |
329 | | |
330 | | /// Emits call of the outlined function with the provided arguments, |
331 | | /// translating these arguments to correct target-specific arguments. |
332 | | void emitOutlinedFunctionCall( |
333 | | CodeGenFunction &CGF, SourceLocation Loc, llvm::FunctionCallee OutlinedFn, |
334 | | ArrayRef<llvm::Value *> Args = llvm::None) const override; |
335 | | |
336 | | /// Emits OpenMP-specific function prolog. |
337 | | /// Required for device constructs. |
338 | | void emitFunctionProlog(CodeGenFunction &CGF, const Decl *D) override; |
339 | | |
340 | | /// Gets the OpenMP-specific address of the local variable. |
341 | | Address getAddressOfLocalVariable(CodeGenFunction &CGF, |
342 | | const VarDecl *VD) override; |
343 | | |
344 | | /// Target codegen is specialized based on two data-sharing modes: CUDA, in |
345 | | /// which the local variables are actually global threadlocal, and Generic, in |
346 | | /// which the local variables are placed in global memory if they may escape |
347 | | /// their declaration context. |
348 | | enum DataSharingMode { |
349 | | /// CUDA data sharing mode. |
350 | | CUDA, |
351 | | /// Generic data-sharing mode. |
352 | | Generic, |
353 | | }; |
354 | | |
355 | | /// Cleans up references to the objects in finished function. |
356 | | /// |
357 | | void functionFinished(CodeGenFunction &CGF) override; |
358 | | |
359 | | /// Choose a default value for the dist_schedule clause. |
360 | | void getDefaultDistScheduleAndChunk(CodeGenFunction &CGF, |
361 | | const OMPLoopDirective &S, OpenMPDistScheduleClauseKind &ScheduleKind, |
362 | | llvm::Value *&Chunk) const override; |
363 | | |
364 | | /// Choose a default value for the schedule clause. |
365 | | void getDefaultScheduleAndChunk(CodeGenFunction &CGF, |
366 | | const OMPLoopDirective &S, OpenMPScheduleClauseKind &ScheduleKind, |
367 | | const Expr *&ChunkExpr) const override; |
368 | | |
369 | | /// Adjust some parameters for the target-based directives, like addresses of |
370 | | /// the variables captured by reference in lambdas. |
371 | | void adjustTargetSpecificDataForLambdas( |
372 | | CodeGenFunction &CGF, const OMPExecutableDirective &D) const override; |
373 | | |
374 | | /// Perform check on requires decl to ensure that target architecture |
375 | | /// supports unified addressing |
376 | | void processRequiresDirective(const OMPRequiresDecl *D) override; |
377 | | |
378 | | /// Checks if the variable has associated OMPAllocateDeclAttr attribute with |
379 | | /// the predefined allocator and translates it into the corresponding address |
380 | | /// space. |
381 | | bool hasAllocateAttributeForGlobalVar(const VarDecl *VD, LangAS &AS) override; |
382 | | |
383 | | private: |
384 | | /// Track the execution mode when codegening directives within a target |
385 | | /// region. The appropriate mode (SPMD/NON-SPMD) is set on entry to the |
386 | | /// target region and used by containing directives such as 'parallel' |
387 | | /// to emit optimized code. |
388 | | ExecutionMode CurrentExecutionMode = EM_Unknown; |
389 | | |
390 | | /// Check if the full runtime is required (default - yes). |
391 | | bool RequiresFullRuntime = true; |
392 | | |
393 | | /// true if we're emitting the code for the target region and next parallel |
394 | | /// region is L0 for sure. |
395 | | bool IsInTargetMasterThreadRegion = false; |
396 | | /// true if currently emitting code for target/teams/distribute region, false |
397 | | /// - otherwise. |
398 | | bool IsInTTDRegion = false; |
399 | | /// true if we're definitely in the parallel region. |
400 | | bool IsInParallelRegion = false; |
401 | | |
402 | | /// Map between an outlined function and its wrapper. |
403 | | llvm::DenseMap<llvm::Function *, llvm::Function *> WrapperFunctionsMap; |
404 | | |
405 | | /// Emit function which wraps the outline parallel region |
406 | | /// and controls the parameters which are passed to this function. |
407 | | /// The wrapper ensures that the outlined function is called |
408 | | /// with the correct arguments when data is shared. |
409 | | llvm::Function *createParallelDataSharingWrapper( |
410 | | llvm::Function *OutlinedParallelFn, const OMPExecutableDirective &D); |
411 | | |
412 | | /// The data for the single globalized variable. |
413 | | struct MappedVarData { |
414 | | /// Corresponding field in the global record. |
415 | | llvm::Value *GlobalizedVal = nullptr; |
416 | | /// Corresponding address. |
417 | | Address PrivateAddr = Address::invalid(); |
418 | | }; |
419 | | /// The map of local variables to their addresses in the global memory. |
420 | | using DeclToAddrMapTy = llvm::MapVector<const Decl *, MappedVarData>; |
421 | | /// Set of the parameters passed by value escaping OpenMP context. |
422 | | using EscapedParamsTy = llvm::SmallPtrSet<const Decl *, 4>; |
423 | | struct FunctionData { |
424 | | DeclToAddrMapTy LocalVarData; |
425 | | llvm::Optional<DeclToAddrMapTy> SecondaryLocalVarData = llvm::None; |
426 | | EscapedParamsTy EscapedParameters; |
427 | | llvm::SmallVector<const ValueDecl*, 4> EscapedVariableLengthDecls; |
428 | | llvm::SmallVector<std::pair<llvm::Value *, llvm::Value *>, 4> |
429 | | EscapedVariableLengthDeclsAddrs; |
430 | | llvm::Value *IsInSPMDModeFlag = nullptr; |
431 | | std::unique_ptr<CodeGenFunction::OMPMapVars> MappedParams; |
432 | | }; |
433 | | /// Maps the function to the list of the globalized variables with their |
434 | | /// addresses. |
435 | | llvm::SmallDenseMap<llvm::Function *, FunctionData> FunctionGlobalizedDecls; |
436 | | llvm::GlobalVariable *KernelTeamsReductionPtr = nullptr; |
437 | | /// List of the records with the list of fields for the reductions across the |
438 | | /// teams. Used to build the intermediate buffer for the fast teams |
439 | | /// reductions. |
440 | | /// All the records are gathered into a union `union.type` is created. |
441 | | llvm::SmallVector<const RecordDecl *, 4> TeamsReductions; |
442 | | /// Shared pointer for the global memory in the global memory buffer used for |
443 | | /// the given kernel. |
444 | | llvm::GlobalVariable *KernelStaticGlobalized = nullptr; |
445 | | /// Pair of the Non-SPMD team and all reductions variables in this team |
446 | | /// region. |
447 | | std::pair<const Decl *, llvm::SmallVector<const ValueDecl *, 4>> |
448 | | TeamAndReductions; |
449 | | }; |
450 | | |
451 | | } // CodeGen namespace. |
452 | | } // clang namespace. |
453 | | |
454 | | #endif // LLVM_CLANG_LIB_CODEGEN_CGOPENMPRUNTIMEGPU_H |