From b49f706eef3ac5cdadd86aaac5a50335cf8d895e Mon Sep 17 00:00:00 2001 From: Egor Churaev Date: Tue, 20 Dec 2016 09:15:21 +0000 Subject: [PATCH] [OpenCL] Enabling the usage of CLK_NULL_QUEUE as compare operand. Summary: Enabling the compression of CLK_NULL_QUEUE to variable of type queue_t. Reviewers: Anastasia Subscribers: cfe-commits, yaxunl, bader Differential Revision: https://reviews.llvm.org/D27569 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290171 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/clang/AST/OperationKinds.def | 3 ++ include/clang/Sema/Initialization.h | 5 ++++ include/clang/Sema/Overload.h | 1 + lib/AST/ExprConstant.cpp | 2 ++ lib/CodeGen/CGExprAgg.cpp | 1 + lib/CodeGen/CGExprComplex.cpp | 1 + lib/CodeGen/CGExprScalar.cpp | 5 ++++ lib/Sema/SemaExpr.cpp | 12 ++++++++ lib/Sema/SemaExprCXX.cpp | 6 ++++ lib/Sema/SemaInit.cpp | 41 +++++++++++++++++++++++++++- lib/Sema/SemaOverload.cpp | 6 ++++ test/CodeGenOpenCL/null_queue.cl | 18 ++++++++++++ test/SemaOpenCL/null_queue.cl | 12 ++++++++ test/SemaOpenCL/queue_t_overload.cl | 12 ++++++++ 14 files changed, 124 insertions(+), 1 deletion(-) create mode 100644 test/CodeGenOpenCL/null_queue.cl create mode 100644 test/SemaOpenCL/null_queue.cl create mode 100644 test/SemaOpenCL/queue_t_overload.cl diff --git a/include/clang/AST/OperationKinds.def b/include/clang/AST/OperationKinds.def index 03a61e94e2..2d48a7df47 100644 --- a/include/clang/AST/OperationKinds.def +++ b/include/clang/AST/OperationKinds.def @@ -321,6 +321,9 @@ CAST_OPERATION(BuiltinFnToFnPtr) // Convert a zero value for OpenCL event_t initialization. CAST_OPERATION(ZeroToOCLEvent) +// Convert a zero value for OpenCL queue_t initialization. +CAST_OPERATION(ZeroToOCLQueue) + // Convert a pointer to a different address space. CAST_OPERATION(AddressSpaceConversion) diff --git a/include/clang/Sema/Initialization.h b/include/clang/Sema/Initialization.h index c2795fcaf3..a7b8cce326 100644 --- a/include/clang/Sema/Initialization.h +++ b/include/clang/Sema/Initialization.h @@ -751,6 +751,8 @@ public: SK_StdInitializerListConstructorCall, /// \brief Initialize an OpenCL sampler from an integer. SK_OCLSamplerInit, + /// \brief Initialize queue_t from 0. + SK_OCLZeroQueue, /// \brief Passing zero to a function where OpenCL event_t is expected. SK_OCLZeroEvent }; @@ -1148,6 +1150,9 @@ public: /// constant. void AddOCLZeroEventStep(QualType T); + /// \brief Add a step to initialize an OpenCL queue_t from 0. + void AddOCLZeroQueueStep(QualType T); + /// \brief Add steps to unwrap a initializer list for a reference around a /// single element and rewrap it at the end. void RewrapReferenceInitList(QualType T, InitListExpr *Syntactic); diff --git a/include/clang/Sema/Overload.h b/include/clang/Sema/Overload.h index 7c6699aca0..9771044a07 100644 --- a/include/clang/Sema/Overload.h +++ b/include/clang/Sema/Overload.h @@ -83,6 +83,7 @@ namespace clang { ICK_TransparentUnionConversion, ///< Transparent Union Conversions ICK_Writeback_Conversion, ///< Objective-C ARC writeback conversion ICK_Zero_Event_Conversion, ///< Zero constant to event (OpenCL1.2 6.12.10) + ICK_Zero_Queue_Conversion, ///< Zero constant to queue ICK_C_Only_Conversion, ///< Conversions allowed in C, but not C++ ICK_Incompatible_Pointer_Conversion, ///< C-only conversion between pointers /// with incompatible types diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp index 0abdaa879e..c7310a8feb 100644 --- a/lib/AST/ExprConstant.cpp +++ b/lib/AST/ExprConstant.cpp @@ -8340,6 +8340,7 @@ bool IntExprEvaluator::VisitCastExpr(const CastExpr *E) { case CK_IntegralComplexToFloatingComplex: case CK_BuiltinFnToFnPtr: case CK_ZeroToOCLEvent: + case CK_ZeroToOCLQueue: case CK_NonAtomicToAtomic: case CK_AddressSpaceConversion: case CK_IntToOCLSampler: @@ -8837,6 +8838,7 @@ bool ComplexExprEvaluator::VisitCastExpr(const CastExpr *E) { case CK_CopyAndAutoreleaseBlockObject: case CK_BuiltinFnToFnPtr: case CK_ZeroToOCLEvent: + case CK_ZeroToOCLQueue: case CK_NonAtomicToAtomic: case CK_AddressSpaceConversion: case CK_IntToOCLSampler: diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp index 35148bea00..009244784e 100644 --- a/lib/CodeGen/CGExprAgg.cpp +++ b/lib/CodeGen/CGExprAgg.cpp @@ -751,6 +751,7 @@ void AggExprEmitter::VisitCastExpr(CastExpr *E) { case CK_CopyAndAutoreleaseBlockObject: case CK_BuiltinFnToFnPtr: case CK_ZeroToOCLEvent: + case CK_ZeroToOCLQueue: case CK_AddressSpaceConversion: case CK_IntToOCLSampler: llvm_unreachable("cast kind invalid for aggregate types"); diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp index 60bbc5cfac..59bc9cdbc0 100644 --- a/lib/CodeGen/CGExprComplex.cpp +++ b/lib/CodeGen/CGExprComplex.cpp @@ -480,6 +480,7 @@ ComplexPairTy ComplexExprEmitter::EmitCast(CastKind CK, Expr *Op, case CK_CopyAndAutoreleaseBlockObject: case CK_BuiltinFnToFnPtr: case CK_ZeroToOCLEvent: + case CK_ZeroToOCLQueue: case CK_AddressSpaceConversion: case CK_IntToOCLSampler: llvm_unreachable("invalid cast kind for complex value"); diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index e9bdbda34a..1b85c45cd4 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -1593,6 +1593,11 @@ Value *ScalarExprEmitter::VisitCastExpr(CastExpr *CE) { return llvm::Constant::getNullValue(ConvertType(DestTy)); } + case CK_ZeroToOCLQueue: { + assert(DestTy->isQueueT() && "CK_ZeroToOCLQueue cast on non queue_t type"); + return llvm::Constant::getNullValue(ConvertType(DestTy)); + } + case CK_IntToOCLSampler: return CGF.CGM.createOpenCLIntToSamplerConversion(E, CGF); diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index b888345691..3c554c9a52 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -9635,6 +9635,18 @@ QualType Sema::CheckCompareOperands(ExprResult &LHS, ExprResult &RHS, return ResultTy; } + if (getLangOpts().OpenCLVersion >= 200) { + if (LHSIsNull && RHSType->isQueueT()) { + LHS = ImpCastExprToType(LHS.get(), RHSType, CK_NullToPointer); + return ResultTy; + } + + if (LHSType->isQueueT() && RHSIsNull) { + RHS = ImpCastExprToType(RHS.get(), LHSType, CK_NullToPointer); + return ResultTy; + } + } + return InvalidOperands(Loc, LHS, RHS); } diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp index 74beeac724..6967a4babd 100644 --- a/lib/Sema/SemaExprCXX.cpp +++ b/lib/Sema/SemaExprCXX.cpp @@ -3878,6 +3878,12 @@ Sema::PerformImplicitConversion(Expr *From, QualType ToType, From->getValueKind()).get(); break; + case ICK_Zero_Queue_Conversion: + From = ImpCastExprToType(From, ToType, + CK_ZeroToOCLQueue, + From->getValueKind()).get(); + break; + case ICK_Lvalue_To_Rvalue: case ICK_Array_To_Pointer: case ICK_Function_To_Pointer: diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp index ce012896f5..895ccb5484 100644 --- a/lib/Sema/SemaInit.cpp +++ b/lib/Sema/SemaInit.cpp @@ -3077,6 +3077,7 @@ void InitializationSequence::Step::Destroy() { case SK_StdInitializerListConstructorCall: case SK_OCLSamplerInit: case SK_OCLZeroEvent: + case SK_OCLZeroQueue: break; case SK_ConversionSequence: @@ -3365,6 +3366,13 @@ void InitializationSequence::AddOCLZeroEventStep(QualType T) { Steps.push_back(S); } +void InitializationSequence::AddOCLZeroQueueStep(QualType T) { + Step S; + S.Kind = SK_OCLZeroQueue; + S.Type = T; + Steps.push_back(S); +} + void InitializationSequence::RewrapReferenceInitList(QualType T, InitListExpr *Syntactic) { assert(Syntactic->getNumInits() == 1 && @@ -5030,6 +5038,20 @@ static bool TryOCLZeroEventInitialization(Sema &S, return true; } +static bool TryOCLZeroQueueInitialization(Sema &S, + InitializationSequence &Sequence, + QualType DestType, + Expr *Initializer) { + if (!S.getLangOpts().OpenCL || S.getLangOpts().OpenCLVersion < 200 || + !DestType->isQueueT() || + !Initializer->isIntegerConstantExpr(S.getASTContext()) || + (Initializer->EvaluateKnownConstInt(S.getASTContext()) != 0)) + return false; + + Sequence.AddOCLZeroQueueStep(DestType); + return true; +} + InitializationSequence::InitializationSequence(Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, @@ -5292,6 +5314,9 @@ void InitializationSequence::InitializeFrom(Sema &S, if (TryOCLZeroEventInitialization(S, *this, DestType, Initializer)) return; + if (TryOCLZeroQueueInitialization(S, *this, DestType, Initializer)) + return; + // Handle initialization in C AddCAssignmentStep(DestType); MaybeProduceObjCObject(S, *this, Entity); @@ -6529,7 +6554,8 @@ InitializationSequence::Perform(Sema &S, case SK_ProduceObjCObject: case SK_StdInitializerList: case SK_OCLSamplerInit: - case SK_OCLZeroEvent: { + case SK_OCLZeroEvent: + case SK_OCLZeroQueue: { assert(Args.size() == 1); CurInit = Args[0]; if (!CurInit.get()) return ExprError(); @@ -7213,6 +7239,15 @@ InitializationSequence::Perform(Sema &S, CurInit.get()->getValueKind()); break; } + case SK_OCLZeroQueue: { + assert(Step->Type->isQueueT() && + "Event initialization on non queue type."); + + CurInit = S.ImpCastExprToType(CurInit.get(), Step->Type, + CK_ZeroToOCLQueue, + CurInit.get()->getValueKind()); + break; + } } } @@ -8041,6 +8076,10 @@ void InitializationSequence::dump(raw_ostream &OS) const { case SK_OCLZeroEvent: OS << "OpenCL event_t from zero"; break; + + case SK_OCLZeroQueue: + OS << "OpenCL queue_t from zero"; + break; } OS << " [" << S->Type.getAsString() << ']'; diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp index d49142b8d8..c8a45013e9 100644 --- a/lib/Sema/SemaOverload.cpp +++ b/lib/Sema/SemaOverload.cpp @@ -1785,6 +1785,11 @@ static bool IsStandardConversion(Sema &S, Expr* From, QualType ToType, From->EvaluateKnownConstInt(S.getASTContext()) == 0) { SCS.Second = ICK_Zero_Event_Conversion; FromType = ToType; + } else if (ToType->isQueueT() && + From->isIntegerConstantExpr(S.getASTContext()) && + (From->EvaluateKnownConstInt(S.getASTContext()) == 0)) { + SCS.Second = ICK_Zero_Queue_Conversion; + FromType = ToType; } else { // No second conversion required. SCS.Second = ICK_Identity; @@ -5162,6 +5167,7 @@ static bool CheckConvertedConstantConversions(Sema &S, case ICK_Function_Conversion: case ICK_Integral_Promotion: case ICK_Integral_Conversion: // Narrowing conversions are checked elsewhere. + case ICK_Zero_Queue_Conversion: return true; case ICK_Boolean_Conversion: diff --git a/test/CodeGenOpenCL/null_queue.cl b/test/CodeGenOpenCL/null_queue.cl new file mode 100644 index 0000000000..cdcd7eef2e --- /dev/null +++ b/test/CodeGenOpenCL/null_queue.cl @@ -0,0 +1,18 @@ +// RUN: %clang_cc1 -O0 -cl-std=CL2.0 -emit-llvm %s -o - | FileCheck %s +extern queue_t get_default_queue(); + +bool compare() { + return 0 == get_default_queue() && + get_default_queue() == 0; + // CHECK: icmp eq %opencl.queue_t* null, %{{.*}} + // CHECK: icmp eq %opencl.queue_t* %{{.*}}, null +} + +void func(queue_t q); + +void init() { + queue_t q = 0; + func(0); + // CHECK: store %opencl.queue_t* null, %opencl.queue_t** %q + // CHECK: call void @func(%opencl.queue_t* null) +} diff --git a/test/SemaOpenCL/null_queue.cl b/test/SemaOpenCL/null_queue.cl new file mode 100644 index 0000000000..518f7138de --- /dev/null +++ b/test/SemaOpenCL/null_queue.cl @@ -0,0 +1,12 @@ +// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -pedantic -fsyntax-only +extern queue_t get_default_queue(); + +bool compare() { + return 1 == get_default_queue() && // expected-error{{invalid operands to binary expression ('int' and 'queue_t')}} + get_default_queue() == 1; // expected-error{{invalid operands to binary expression ('queue_t' and 'int')}} +} + +void init() { + queue_t q1 = 1; // expected-error{{initializing 'queue_t' with an expression of incompatible type 'int'}} + queue_t q = 0; +} diff --git a/test/SemaOpenCL/queue_t_overload.cl b/test/SemaOpenCL/queue_t_overload.cl new file mode 100644 index 0000000000..0048895ac8 --- /dev/null +++ b/test/SemaOpenCL/queue_t_overload.cl @@ -0,0 +1,12 @@ +// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -pedantic -fsyntax-only + +void __attribute__((overloadable)) foo(queue_t, __local char *); // expected-note {{candidate function not viable: no known conversion from 'int' to 'queue_t' for 1st argument}} // expected-note {{candidate function}} +void __attribute__((overloadable)) foo(queue_t, __local float *); // expected-note {{candidate function not viable: no known conversion from 'int' to 'queue_t' for 1st argument}} // expected-note {{candidate function}} + +void kernel ker(__local char *src1, __local float *src2, __global int *src3) { + queue_t q; + foo(q, src1); + foo(0, src2); + foo(q, src3); // expected-error {{call to 'foo' is ambiguous}} + foo(1, src3); // expected-error {{no matching function for call to 'foo'}} +} -- 2.40.0