forked from OSchip/llvm-project
[OPENMP] Codegen for 'ordered' directive.
Add codegen for 'ordered' directive:
__kmpc_ordered(ident_t *, gtid);
<associated statement>;
__kmpc_end_ordered(ident_t *, gtid);
Also for 'for' directives with the dynamic scheduling and an 'ordered' clause added a call to '__kmpc_dispatch_fini_(4|8)[u]()' function after increment expression for loop control variable:
while(__kmpc_dispatch_next(&LB, &UB)) {
idx = LB;
while (idx <= UB) { BODY; ++idx;
__kmpc_dispatch_fini_(4|8)[u](); // For ordered loops only.
} // inner loop
}
Differential Revision: http://reviews.llvm.org/D9070
llvm-svn: 235496
This commit is contained in:
Alexey Bataev
parent
e7508c9fc7
commit
98eb6e3d41
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@ -710,6 +710,22 @@ CGOpenMPRuntime::createRuntimeFunction(OpenMPRTLFunction Function) {
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CGM.CreateRuntimeFunction(FnTy, /*Name=*/"__kmpc_end_reduce_nowait");
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break;
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}
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case OMPRTL__kmpc_ordered: {
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// Build void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid);
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llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty};
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llvm::FunctionType *FnTy =
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llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false);
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RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_ordered");
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break;
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}
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case OMPRTL__kmpc_end_ordered: {
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// Build void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid);
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llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty};
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llvm::FunctionType *FnTy =
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llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false);
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RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_end_ordered");
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break;
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}
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}
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return RTLFn;
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}
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@ -762,6 +778,23 @@ llvm::Constant *CGOpenMPRuntime::createDispatchInitFunction(unsigned IVSize,
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return CGM.CreateRuntimeFunction(FnTy, Name);
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}
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llvm::Constant *CGOpenMPRuntime::createDispatchFiniFunction(unsigned IVSize,
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bool IVSigned) {
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assert((IVSize == 32 || IVSize == 64) &&
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"IV size is not compatible with the omp runtime");
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auto Name =
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IVSize == 32
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? (IVSigned ? "__kmpc_dispatch_fini_4" : "__kmpc_dispatch_fini_4u")
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: (IVSigned ? "__kmpc_dispatch_fini_8" : "__kmpc_dispatch_fini_8u");
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llvm::Type *TypeParams[] = {
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getIdentTyPointerTy(), // loc
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CGM.Int32Ty, // tid
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};
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llvm::FunctionType *FnTy =
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llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg=*/false);
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return CGM.CreateRuntimeFunction(FnTy, Name);
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}
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llvm::Constant *CGOpenMPRuntime::createDispatchNextFunction(unsigned IVSize,
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bool IVSigned) {
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assert((IVSize == 32 || IVSize == 64) &&
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@ -1246,6 +1279,25 @@ void CGOpenMPRuntime::emitSingleRegion(CodeGenFunction &CGF,
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}
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}
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void CGOpenMPRuntime::emitOrderedRegion(CodeGenFunction &CGF,
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const RegionCodeGenTy &OrderedOpGen,
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SourceLocation Loc) {
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// __kmpc_ordered(ident_t *, gtid);
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// OrderedOpGen();
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// __kmpc_end_ordered(ident_t *, gtid);
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// Prepare arguments and build a call to __kmpc_ordered
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{
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CodeGenFunction::RunCleanupsScope Scope(CGF);
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llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc), getThreadID(CGF, Loc)};
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CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_ordered), Args);
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// Build a call to __kmpc_end_ordered
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CGF.EHStack.pushCleanup<CallEndCleanup>(
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NormalAndEHCleanup, createRuntimeFunction(OMPRTL__kmpc_end_ordered),
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llvm::makeArrayRef(Args));
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emitInlinedDirective(CGF, OrderedOpGen);
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}
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}
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void CGOpenMPRuntime::emitBarrierCall(CodeGenFunction &CGF, SourceLocation Loc,
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OpenMPDirectiveKind Kind) {
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// Build call __kmpc_cancel_barrier(loc, thread_id);
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@ -1378,12 +1430,8 @@ void CGOpenMPRuntime::emitForInit(CodeGenFunction &CGF, SourceLocation Loc,
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}
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}
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void CGOpenMPRuntime::emitForFinish(CodeGenFunction &CGF, SourceLocation Loc,
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OpenMPScheduleClauseKind ScheduleKind) {
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assert((ScheduleKind == OMPC_SCHEDULE_static ||
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ScheduleKind == OMPC_SCHEDULE_unknown) &&
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"Non-static schedule kinds are not yet implemented");
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(void)ScheduleKind;
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void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF,
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SourceLocation Loc) {
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// Call __kmpc_for_static_fini(ident_t *loc, kmp_int32 tid);
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llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, OMP_IDENT_KMPC),
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getThreadID(CGF, Loc)};
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@ -1391,6 +1439,16 @@ void CGOpenMPRuntime::emitForFinish(CodeGenFunction &CGF, SourceLocation Loc,
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Args);
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}
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void CGOpenMPRuntime::emitForOrderedDynamicIterationEnd(CodeGenFunction &CGF,
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SourceLocation Loc,
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unsigned IVSize,
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bool IVSigned) {
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// Call __kmpc_for_dynamic_fini_(4|8)[u](ident_t *loc, kmp_int32 tid);
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llvm::Value *Args[] = {emitUpdateLocation(CGF, Loc, OMP_IDENT_KMPC),
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getThreadID(CGF, Loc)};
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CGF.EmitRuntimeCall(createDispatchFiniFunction(IVSize, IVSigned), Args);
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}
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llvm::Value *CGOpenMPRuntime::emitForNext(CodeGenFunction &CGF,
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SourceLocation Loc, unsigned IVSize,
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bool IVSigned, llvm::Value *IL,
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@ -118,6 +118,10 @@ private:
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// Call to void __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid,
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// kmp_critical_name *lck);
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OMPRTL__kmpc_end_reduce_nowait,
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// Call to void __kmpc_ordered(ident_t *loc, kmp_int32 global_tid);
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OMPRTL__kmpc_ordered,
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// Call to void __kmpc_end_ordered(ident_t *loc, kmp_int32 global_tid);
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OMPRTL__kmpc_end_ordered,
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};
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/// \brief Values for bit flags used in the ident_t to describe the fields.
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@ -252,6 +256,10 @@ private:
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/// size \a IVSize and sign \a IVSigned.
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llvm::Constant *createDispatchNextFunction(unsigned IVSize, bool IVSigned);
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/// \brief Returns __kmpc_dispatch_fini_* runtime function for the specified
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/// size \a IVSize and sign \a IVSigned.
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llvm::Constant *createDispatchFiniFunction(unsigned IVSize, bool IVSigned);
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/// \brief If the specified mangled name is not in the module, create and
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/// return threadprivate cache object. This object is a pointer's worth of
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/// storage that's reserved for use by the OpenMP runtime.
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@ -378,6 +386,13 @@ public:
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ArrayRef<const Expr *> SrcExprs,
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ArrayRef<const Expr *> AssignmentOps);
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/// \brief Emit an ordered region.
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/// \param OrderedOpGen Generator for the statement associated with the given
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/// critical region.
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virtual void emitOrderedRegion(CodeGenFunction &CGF,
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const RegionCodeGenTy &OrderedOpGen,
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SourceLocation Loc);
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/// \brief Emit an implicit/explicit barrier for OpenMP threads.
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/// \param Kind Directive for which this implicit barrier call must be
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/// generated. Must be OMPD_barrier for explicit barrier generation.
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@ -428,15 +443,26 @@ public:
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llvm::Value *UB, llvm::Value *ST,
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llvm::Value *Chunk = nullptr);
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/// \brief Call the appropriate runtime routine to notify that we finished
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/// iteration of the ordered loop with the dynamic scheduling.
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///
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/// \param CGF Reference to current CodeGenFunction.
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/// \param Loc Clang source location.
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/// \param IVSize Size of the iteration variable in bits.
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/// \param IVSigned Sign of the interation variable.
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///
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virtual void emitForOrderedDynamicIterationEnd(CodeGenFunction &CGF,
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SourceLocation Loc,
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unsigned IVSize,
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bool IVSigned);
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/// \brief Call the appropriate runtime routine to notify that we finished
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/// all the work with current loop.
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///
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/// \param CGF Reference to current CodeGenFunction.
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/// \param Loc Clang source location.
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/// \param ScheduleKind Schedule kind, specified by the 'schedule' clause.
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///
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virtual void emitForFinish(CodeGenFunction &CGF, SourceLocation Loc,
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OpenMPScheduleClauseKind ScheduleKind);
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virtual void emitForStaticFinish(CodeGenFunction &CGF, SourceLocation Loc);
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/// Call __kmpc_dispatch_next(
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/// ident_t *loc, kmp_int32 tid, kmp_int32 *p_lastiter,
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@ -576,7 +576,8 @@ void CodeGenFunction::EmitOMPLoopBody(const OMPLoopDirective &S,
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void CodeGenFunction::EmitOMPInnerLoop(
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const Stmt &S, bool RequiresCleanup, const Expr *LoopCond,
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const Expr *IncExpr,
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const llvm::function_ref<void(CodeGenFunction &)> &BodyGen) {
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const llvm::function_ref<void(CodeGenFunction &)> &BodyGen,
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const llvm::function_ref<void(CodeGenFunction &)> &PostIncGen) {
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auto LoopExit = getJumpDestInCurrentScope("omp.inner.for.end");
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auto Cnt = getPGORegionCounter(&S);
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@ -612,6 +613,7 @@ void CodeGenFunction::EmitOMPInnerLoop(
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// Emit "IV = IV + 1" and a back-edge to the condition block.
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EmitBlock(Continue.getBlock());
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EmitIgnoredExpr(IncExpr);
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PostIncGen(*this);
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BreakContinueStack.pop_back();
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EmitBranch(CondBlock);
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LoopStack.pop();
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@ -799,7 +801,8 @@ void CodeGenFunction::EmitOMPSimdDirective(const OMPSimdDirective &S) {
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[&S](CodeGenFunction &CGF) {
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CGF.EmitOMPLoopBody(S);
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CGF.EmitStopPoint(&S);
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});
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},
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[](CodeGenFunction &) {});
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CGF.EmitOMPLoopBody(S, /* SeparateIter */ true);
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}
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CGF.EmitOMPSimdFinal(S);
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@ -818,7 +821,8 @@ void CodeGenFunction::EmitOMPSimdDirective(const OMPSimdDirective &S) {
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[&S](CodeGenFunction &CGF) {
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CGF.EmitOMPLoopBody(S);
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CGF.EmitStopPoint(&S);
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});
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},
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[](CodeGenFunction &) {});
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}
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CGF.EmitOMPSimdFinal(S);
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}
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@ -873,7 +877,9 @@ void CodeGenFunction::EmitOMPForOuterLoop(OpenMPScheduleClauseKind ScheduleKind,
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//
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// while(__kmpc_dispatch_next(&LB, &UB)) {
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// idx = LB;
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// while (idx <= UB) { BODY; ++idx; } // inner loop
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// while (idx <= UB) { BODY; ++idx;
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// __kmpc_dispatch_fini_(4|8)[u](); // For ordered loops only.
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// } // inner loop
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// }
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//
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// OpenMP [2.7.1, Loop Construct, Description, table 2-1]
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@ -940,12 +946,22 @@ void CodeGenFunction::EmitOMPForOuterLoop(OpenMPScheduleClauseKind ScheduleKind,
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auto Continue = getJumpDestInCurrentScope("omp.dispatch.inc");
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BreakContinueStack.push_back(BreakContinue(LoopExit, Continue));
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EmitOMPInnerLoop(S, LoopScope.requiresCleanups(),
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S.getCond(/*SeparateIter=*/false), S.getInc(),
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[&S](CodeGenFunction &CGF) {
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CGF.EmitOMPLoopBody(S);
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CGF.EmitStopPoint(&S);
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});
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bool DynamicWithOrderedClause =
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Dynamic && S.getSingleClause(OMPC_ordered) != nullptr;
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SourceLocation Loc = S.getLocStart();
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EmitOMPInnerLoop(
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S, LoopScope.requiresCleanups(), S.getCond(/*SeparateIter=*/false),
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S.getInc(),
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[&S](CodeGenFunction &CGF) {
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CGF.EmitOMPLoopBody(S);
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CGF.EmitStopPoint(&S);
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},
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[DynamicWithOrderedClause, IVSize, IVSigned, Loc](CodeGenFunction &CGF) {
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if (DynamicWithOrderedClause) {
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CGF.CGM.getOpenMPRuntime().emitForOrderedDynamicIterationEnd(
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CGF, Loc, IVSize, IVSigned);
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}
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});
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EmitBlock(Continue.getBlock());
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BreakContinueStack.pop_back();
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@ -961,9 +977,8 @@ void CodeGenFunction::EmitOMPForOuterLoop(OpenMPScheduleClauseKind ScheduleKind,
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EmitBlock(LoopExit.getBlock());
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// Tell the runtime we are done.
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// FIXME: Also call fini for ordered loops with dynamic scheduling.
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if (!Dynamic)
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RT.emitForFinish(*this, S.getLocStart(), ScheduleKind);
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RT.emitForStaticFinish(*this, S.getLocEnd());
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}
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/// \brief Emit a helper variable and return corresponding lvalue.
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@ -1058,9 +1073,10 @@ bool CodeGenFunction::EmitOMPWorksharingLoop(const OMPLoopDirective &S) {
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[&S](CodeGenFunction &CGF) {
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CGF.EmitOMPLoopBody(S);
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CGF.EmitStopPoint(&S);
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});
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},
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[](CodeGenFunction &) {});
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// Tell the runtime we are done.
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RT.emitForFinish(*this, S.getLocStart(), ScheduleKind);
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RT.emitForStaticFinish(*this, S.getLocStart());
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} else {
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// Emit the outer loop, which requests its work chunk [LB..UB] from
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// runtime and runs the inner loop to process it.
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@ -1177,10 +1193,10 @@ static OpenMPDirectiveKind emitSections(CodeGenFunction &CGF,
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// IV = LB;
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CGF.EmitStoreOfScalar(CGF.EmitLoadOfScalar(LB, S.getLocStart()), IV);
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// while (idx <= UB) { BODY; ++idx; }
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CGF.EmitOMPInnerLoop(S, /*RequiresCleanup=*/false, &Cond, &Inc, BodyGen);
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CGF.EmitOMPInnerLoop(S, /*RequiresCleanup=*/false, &Cond, &Inc, BodyGen,
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[](CodeGenFunction &) {});
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// Tell the runtime we are done.
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CGF.CGM.getOpenMPRuntime().emitForFinish(CGF, S.getLocStart(),
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OMPC_SCHEDULE_static);
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CGF.CGM.getOpenMPRuntime().emitForStaticFinish(CGF, S.getLocStart());
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};
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CGF.CGM.getOpenMPRuntime().emitInlinedDirective(CGF, CodeGen);
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@ -1372,8 +1388,13 @@ void CodeGenFunction::EmitOMPFlushDirective(const OMPFlushDirective &S) {
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}(), S.getLocStart());
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}
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void CodeGenFunction::EmitOMPOrderedDirective(const OMPOrderedDirective &) {
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llvm_unreachable("CodeGen for 'omp ordered' is not supported yet.");
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void CodeGenFunction::EmitOMPOrderedDirective(const OMPOrderedDirective &S) {
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LexicalScope Scope(*this, S.getSourceRange());
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auto &&CodeGen = [&S](CodeGenFunction &CGF) {
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CGF.EmitStmt(cast<CapturedStmt>(S.getAssociatedStmt())->getCapturedStmt());
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CGF.EnsureInsertPoint();
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};
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CGM.getOpenMPRuntime().emitOrderedRegion(*this, CodeGen, S.getLocStart());
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}
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static llvm::Value *convertToScalarValue(CodeGenFunction &CGF, RValue Val,
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@ -2139,10 +2139,21 @@ public:
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void EmitOMPTargetDirective(const OMPTargetDirective &S);
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void EmitOMPTeamsDirective(const OMPTeamsDirective &S);
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void
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EmitOMPInnerLoop(const Stmt &S, bool RequiresCleanup, const Expr *LoopCond,
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const Expr *IncExpr,
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const llvm::function_ref<void(CodeGenFunction &)> &BodyGen);
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/// \brief Emit inner loop of the worksharing/simd construct.
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///
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/// \param S Directive, for which the inner loop must be emitted.
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/// \param RequiresCleanup true, if directive has some associated private
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/// variables.
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/// \param LoopCond Bollean condition for loop continuation.
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/// \param IncExpr Increment expression for loop control variable.
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/// \param BodyGen Generator for the inner body of the inner loop.
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/// \param PostIncGen Genrator for post-increment code (required for ordered
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/// loop directvies).
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void EmitOMPInnerLoop(
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const Stmt &S, bool RequiresCleanup, const Expr *LoopCond,
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const Expr *IncExpr,
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const llvm::function_ref<void(CodeGenFunction &)> &BodyGen,
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const llvm::function_ref<void(CodeGenFunction &)> &PostIncGen);
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private:
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@ -0,0 +1,211 @@
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// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
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//
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
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// CHECK: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
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// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void static_not_chunked(float *a, float *b, float *c, float *d) {
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
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#pragma omp for schedule(static) ordered
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// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
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// UB = min(UB, GlobalUB)
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// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
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// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
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// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
|
||||
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
|
||||
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
|
||||
// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
|
||||
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
|
||||
// Loop header
|
||||
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
|
||||
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
|
||||
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
|
||||
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
|
||||
for (int i = 32000000; i > 33; i += -7) {
|
||||
// CHECK: [[LOOP1_BODY]]
|
||||
// Start of body: calculate i from IV:
|
||||
// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
|
||||
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
|
||||
// CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
|
||||
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
|
||||
|
||||
// ... start of ordered region ...
|
||||
// CHECK-NEXT: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... loop body ...
|
||||
// End of body: store into a[i]:
|
||||
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
|
||||
// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... end of ordered region ...
|
||||
#pragma omp ordered
|
||||
a[i] = b[i] * c[i] * d[i];
|
||||
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
|
||||
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
|
||||
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
|
||||
// CHECK-NEXT: br label %{{.+}}
|
||||
}
|
||||
// CHECK: [[LOOP1_END]]
|
||||
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
|
||||
// CHECK: ret void
|
||||
}
|
||||
|
||||
// CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
|
||||
void dynamic1(float *a, float *b, float *c, float *d) {
|
||||
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
|
||||
#pragma omp for schedule(dynamic) ordered
|
||||
// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 35, i64 0, i64 16908287, i64 1, i64 1)
|
||||
//
|
||||
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
|
||||
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
|
||||
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
|
||||
|
||||
// Loop header
|
||||
// CHECK: [[O_LOOP1_BODY]]
|
||||
// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
|
||||
// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
|
||||
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
|
||||
|
||||
// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
|
||||
// CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]]
|
||||
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
|
||||
for (unsigned long long i = 131071; i < 2147483647; i += 127) {
|
||||
// CHECK: [[LOOP1_BODY]]
|
||||
// Start of body: calculate i from IV:
|
||||
// CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]]
|
||||
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
|
||||
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
|
||||
// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
|
||||
|
||||
// ... start of ordered region ...
|
||||
// CHECK-NEXT: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... loop body ...
|
||||
// End of body: store into a[i]:
|
||||
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
|
||||
// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... end of ordered region ...
|
||||
#pragma omp ordered
|
||||
a[i] = b[i] * c[i] * d[i];
|
||||
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
|
||||
// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
|
||||
// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
|
||||
|
||||
// ... end iteration for ordered loop ...
|
||||
// CHECK-NEXT: call void @__kmpc_dispatch_fini_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// CHECK-NEXT: br label %{{.+}}
|
||||
}
|
||||
// CHECK: [[LOOP1_END]]
|
||||
// CHECK: [[O_LOOP1_END]]
|
||||
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
|
||||
// CHECK: ret void
|
||||
}
|
||||
|
||||
// CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
|
||||
void test_auto(float *a, float *b, float *c, float *d) {
|
||||
unsigned int x = 0;
|
||||
unsigned int y = 0;
|
||||
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
|
||||
#pragma omp for schedule(auto) collapse(2) ordered
|
||||
// CHECK: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 38, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1)
|
||||
//
|
||||
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
|
||||
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
|
||||
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
|
||||
|
||||
// Loop header
|
||||
// CHECK: [[O_LOOP1_BODY]]
|
||||
// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
|
||||
// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
|
||||
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
|
||||
|
||||
// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
|
||||
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]]
|
||||
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
|
||||
// FIXME: When the iteration count of some nested loop is not a known constant,
|
||||
// we should pre-calculate it, like we do for the total number of iterations!
|
||||
for (char i = static_cast<char>(y); i <= '9'; ++i)
|
||||
for (x = 11; x > 0; --x) {
|
||||
// CHECK: [[LOOP1_BODY]]
|
||||
// Start of body: indices are calculated from IV:
|
||||
// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
|
||||
// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
|
||||
|
||||
// ... start of ordered region ...
|
||||
// CHECK: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... loop body ...
|
||||
// End of body: store into a[i]:
|
||||
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
|
||||
// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... end of ordered region ...
|
||||
#pragma omp ordered
|
||||
a[i] = b[i] * c[i] * d[i];
|
||||
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
|
||||
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1
|
||||
// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
|
||||
|
||||
// ... end iteration for ordered loop ...
|
||||
// CHECK-NEXT: call void @__kmpc_dispatch_fini_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// CHECK-NEXT: br label %{{.+}}
|
||||
}
|
||||
// CHECK: [[LOOP1_END]]
|
||||
// CHECK: [[O_LOOP1_END]]
|
||||
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
|
||||
// CHECK: ret void
|
||||
}
|
||||
|
||||
// CHECK-LABEL: define {{.*void}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
|
||||
void runtime(float *a, float *b, float *c, float *d) {
|
||||
int x = 0;
|
||||
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
|
||||
#pragma omp for collapse(2) schedule(runtime) ordered
|
||||
// CHECK: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 37, i32 0, i32 199, i32 1, i32 1)
|
||||
//
|
||||
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]])
|
||||
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
|
||||
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
|
||||
|
||||
// Loop header
|
||||
// CHECK: [[O_LOOP1_BODY]]
|
||||
// CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
|
||||
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
|
||||
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
|
||||
|
||||
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
|
||||
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
|
||||
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
|
||||
for (unsigned char i = '0' ; i <= '9'; ++i)
|
||||
for (x = -10; x < 10; ++x) {
|
||||
// CHECK: [[LOOP1_BODY]]
|
||||
// Start of body: indices are calculated from IV:
|
||||
// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
|
||||
// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
|
||||
|
||||
// ... start of ordered region ...
|
||||
// CHECK: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... loop body ...
|
||||
// End of body: store into a[i]:
|
||||
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
|
||||
// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// ... end of ordered region ...
|
||||
#pragma omp ordered
|
||||
a[i] = b[i] * c[i] * d[i];
|
||||
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
|
||||
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
|
||||
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
|
||||
|
||||
// ... end iteration for ordered loop ...
|
||||
// CHECK-NEXT: call void @__kmpc_dispatch_fini_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
|
||||
// CHECK-NEXT: br label %{{.+}}
|
||||
}
|
||||
// CHECK: [[LOOP1_END]]
|
||||
// CHECK: [[O_LOOP1_END]]
|
||||
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
|
||||
// CHECK: ret void
|
||||
}
|
||||
|
||||
#endif // HEADER
|
||||
|
||||
Loading…
Reference in New Issue