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clang-p2996/clang/test/SemaOpenACC/loop-construct-gang-ast.cpp
Erich Keane 5b25c31351 [OpenACC] Implement loop 'gang' clause. (#112006) 
The 'gang' clause is used to specify parallel execution of loops, thus
has some complicated rules depending on the 'loop's associated compute
construct. This patch implements all of those.
2024-10-11 09:05:19 -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 NormalUses() {
// CHECK: FunctionDecl{{.*}}NormalUses
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause dim
// CHECK-NEXT: ConstantExpr{{.*}} 'int'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: IntegerLiteral{{.*}}'int' 1
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc loop gang(dim:1)
for(;;);
int Val;
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}} used Val 'int'
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc loop gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause num
// CHECK-NEXT: IntegerLiteral{{.*}}'int' 1
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc kernels
#pragma acc loop gang(num:1) gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause dim static
// CHECK-NEXT: ConstantExpr{{.*}} 'int'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: IntegerLiteral{{.*}}'int' 1
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc parallel
#pragma acc loop gang(dim:1, static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc serial
#pragma acc loop gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause static
// CHECK-NEXT: OpenACCAsteriskSizeExpr
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc serial
#pragma acc loop gang(static:*)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc serial
#pragma acc loop gang
for(;;);
}
template<typename T, unsigned One>
void TemplateUses(T Val) {
// CHECK: FunctionTemplateDecl{{.*}}TemplateUses
// CHECK-NEXT: TemplateTypeParmDecl {{.*}} referenced typename depth 0 index 0 T
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} referenced 'unsigned int' depth 0 index 1 One
// CHECK-NEXT: FunctionDecl{{.*}} TemplateUses 'void (T)'
// CHECK-NEXT: ParmVarDecl{{.*}} referenced Val 'T'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause dim
// CHECK-NEXT: DeclRefExpr{{.*}}'unsigned int' NonTypeTemplateParm{{.*}} 'One' 'unsigned int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc loop gang(dim:One)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause static
// CHECK-NEXT: DeclRefExpr{{.*}}'T' lvalue ParmVar{{.*}} 'Val' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc loop gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause static
// CHECK-NEXT: OpenACCAsteriskSizeExpr
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc loop gang(static:*)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause dim
// CHECK-NEXT: DeclRefExpr{{.*}}'unsigned int' NonTypeTemplateParm{{.*}} 'One' 'unsigned int'
// CHECK-NEXT: gang clause static
// CHECK-NEXT: DeclRefExpr{{.*}}'T' lvalue ParmVar{{.*}} 'Val' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc parallel
#pragma acc loop gang(dim:One) gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause dim static
// CHECK-NEXT: DeclRefExpr{{.*}}'unsigned int' NonTypeTemplateParm{{.*}} 'One' 'unsigned int'
// CHECK-NEXT: DeclRefExpr{{.*}}'T' lvalue ParmVar{{.*}} 'Val' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc parallel
#pragma acc loop gang(dim:One, static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause static
// CHECK-NEXT: DeclRefExpr{{.*}}'T' lvalue ParmVar{{.*}} 'Val' 'T'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc serial
#pragma acc loop gang(static:Val)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
#pragma acc serial
#pragma acc loop gang
for(;;);
// Instantiation:
// CHECK-NEXT: FunctionDecl{{.*}} used TemplateUses 'void (int)' implicit_instantiation
// CHECK-NEXT: TemplateArgument type 'int'
// CHECK-NEXT: BuiltinType{{.*}} 'int'
// CHECK-NEXT: TemplateArgument integral '1U'
// CHECK-NEXT: ParmVarDecl{{.*}} used Val 'int'
// CHECK-NEXT: CompoundStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause dim
// CHECK-NEXT: ConstantExpr{{.*}} 'unsigned int'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'unsigned int'
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} 'unsigned int' depth 0 index 1 One
// CHECK-NEXT: IntegerLiteral{{.*}}'unsigned int' 1
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue ParmVar{{.*}} 'Val' '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: gang clause static
// CHECK-NEXT: OpenACCAsteriskSizeExpr
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause dim
// CHECK-NEXT: ConstantExpr{{.*}} 'unsigned int'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'unsigned int'
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} 'unsigned int' depth 0 index 1 One
// CHECK-NEXT: IntegerLiteral{{.*}}'unsigned int' 1
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue ParmVar{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause dim static
// CHECK-NEXT: ConstantExpr{{.*}} 'unsigned int'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'unsigned int'
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} 'unsigned int' depth 0 index 1 One
// CHECK-NEXT: IntegerLiteral{{.*}}'unsigned int' 1
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue ParmVar{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause static
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue ParmVar{{.*}} 'Val' 'int'
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
//
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: gang clause
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: <<<NULL>>
// CHECK-NEXT: NullStmt
}
void inst() {
TemplateUses<int, 1>(5);
}
#endif // PCH_HELPER
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