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clang-p2996/clang/test/SemaOpenACC/loop-construct-reduction-ast.cpp
erichkeane 0b0b153094 [OpenACC] Implement 'reduction' Sema on 'loop' construct 
The reduction clause has some minor restrictions on the variable
references that are implementable, so this implements those.  Others
require reachability analysis, so this patch documents that we're not
going to do that in the CFE(or at least save it for the MLIR passes).
2024-11-01 08:52:15 -07:00

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// RUN: %clang_cc1 %s -fopenacc -ast-dump | FileCheck %s
// Test this with PCH.
// RUN: %clang_cc1 %s -fopenacc -emit-pch -o %t %s
// RUN: %clang_cc1 %s -fopenacc -include-pch %t -ast-dump-all | FileCheck %s
#ifndef PCH_HELPER
#define PCH_HELPER
void NormalFunc(int i, float f) {
// CHECK: FunctionDecl{{.*}}NormalFunc
// CHECK-NEXT: ParmVarDecl
// CHECK-NEXT: ParmVarDecl
// CHECK-NEXT: CompoundStmt
#pragma acc loop reduction(+: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: +
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(*: f)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: *
// CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(max: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: max
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(min: f)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: min
// CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(&: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(|: f)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: |
// CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(^: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ^
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(&&: f)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &&
// CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(||: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ||
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
}
template<typename T>
void TemplFunc() {
// CHECK: FunctionTemplateDecl{{.*}}TemplFunc
// CHECK-NEXT: TemplateTypeParmDecl
// Match the prototype:
// CHECK-NEXT: FunctionDecl{{.*}}TemplFunc
// CHECK-NEXT: CompoundStmt
T t;
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}} t 'T'
#pragma acc loop reduction(+: t)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: +
// CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(*: T::SomeFloat)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: *
// CHECK-NEXT: DependentScopeDeclRefExpr{{.*}} '<dependent type>' lvalue
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
typename T::IntTy i;
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}} i 'typename T::IntTy'
#pragma acc loop reduction(max: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: max
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename T::IntTy' lvalue Var{{.*}} 'i' 'typename T::IntTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(min: t)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: min
// CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(&: T::SomeFloat)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &
// CHECK-NEXT: DependentScopeDeclRefExpr{{.*}} '<dependent type>' lvalue
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(|: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: |
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename T::IntTy' lvalue Var{{.*}} 'i' 'typename T::IntTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(^: t)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ^
// CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(&&: T::SomeFloat)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &&
// CHECK-NEXT: DependentScopeDeclRefExpr{{.*}} '<dependent type>' lvalue
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop reduction(||: i)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ||
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename T::IntTy' lvalue Var{{.*}} 'i' 'typename T::IntTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
// Match the instantiation:
// CHECK: FunctionDecl{{.*}}TemplFunc 'void ()' implicit_instantiation
// CHECK-NEXT: TemplateArgument type 'InstTy'
// CHECK-NEXT: RecordType{{.*}} 'InstTy'
// CHECK-NEXT: CXXRecord{{.*}} 'InstTy'
// CHECK-NEXT: CompoundStmt
//
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}} used t 'InstTy'
// CHECK-NEXT: CXXConstructExpr{{.*}} 'InstTy' 'void () noexcept'
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: +
// CHECK-NEXT: DeclRefExpr{{.*}} 'InstTy' lvalue Var{{.*}} 't' 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: *
// CHECK-NEXT: DeclRefExpr{{.*}} 'const float' lvalue Var{{.*}} 'SomeFloat' 'const float'
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}} i 'typename InstTy::IntTy':'int'
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: max
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename InstTy::IntTy':'int' lvalue Var{{.*}} 'i' 'typename InstTy::IntTy':'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: min
// CHECK-NEXT: DeclRefExpr{{.*}} 'InstTy' lvalue Var{{.*}} 't' 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &
// CHECK-NEXT: DeclRefExpr{{.*}} 'const float' lvalue Var{{.*}} 'SomeFloat' 'const float'
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: |
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename InstTy::IntTy':'int' lvalue Var{{.*}} 'i' 'typename InstTy::IntTy':'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ^
// CHECK-NEXT: DeclRefExpr{{.*}} 'InstTy' lvalue Var{{.*}} 't' 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: &&
// CHECK-NEXT: DeclRefExpr{{.*}} 'const float' lvalue Var{{.*}} 'SomeFloat' 'const float'
// CHECK-NEXT: NestedNameSpecifier TypeSpec 'InstTy'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: reduction clause Operator: ||
// CHECK-NEXT: DeclRefExpr{{.*}} 'typename InstTy::IntTy':'int' lvalue Var{{.*}} 'i' 'typename InstTy::IntTy':'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
}
struct BoolConversion{ operator bool() const;};
struct InstTy {
using IntTy = int;
static constexpr float SomeFloat = 5.0;
static constexpr BoolConversion BC;
};
void Instantiate() {
TemplFunc<InstTy>();
}
#endif // PCH_HELPER
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