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clang-p2996/clang/test/SemaOpenACC/loop-construct-worker-ast.cpp
Erich Keane cf456ed2a4 [OpenACC] implement loop 'worker' clause. (#112206) 
The worker clause specifies iterations of the loop/ that are executed in
parallel by distributing the iterations among the multiple works within
a single gang.

The sema rules for this type are simply that it cannot be combined with
a `kernel` construct with a `num_workers` clause, child `loop` clauses
cannot contain a `gang` or `worker` clause, and that the argument is oly
allowed when associated with a `kernel`.
2024-10-14 09:08:24 -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
template<unsigned I, typename ConvertsToInt, typename Int>
void TemplUses(ConvertsToInt CTI, Int IsI) {
// CHECK: FunctionTemplateDecl{{.*}}TemplUses
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} 'unsigned int' depth 0 index 0 I
// CHECK-NEXT: TemplateTypeParmDecl{{.*}}typename depth 0 index 1 ConvertsToInt
// CHECK-NEXT: TemplateTypeParmDecl{{.*}}typename depth 0 index 2 Int
// CHECK-NEXT: FunctionDecl{{.*}}TemplUses 'void (ConvertsToInt, Int)'
// CHECK-NEXT: ParmVarDecl{{.*}}CTI 'ConvertsToInt'
// CHECK-NEXT: ParmVarDecl{{.*}}IsI 'Int'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop worker
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc parallel
#pragma acc loop worker
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker 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 worker
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: DeclRefExpr{{.*}} 'ConvertsToInt' lvalue ParmVar
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc kernels
#pragma acc loop worker(CTI)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: DeclRefExpr{{.*}} 'Int' lvalue ParmVar
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc kernels
#pragma acc loop worker(num:IsI)
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: DeclRefExpr{{.*}} 'unsigned int' NonTypeTemplateParm{{.*}}'I' 'unsigned 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 worker(num:I)
for(;;);
// Instantiations:
// CHECK-NEXT: FunctionDecl{{.*}} TemplUses 'void (Converts, int)' implicit_instantiation
// CHECK-NEXT: TemplateArgument integral '3U'
// CHECK-NEXT: TemplateArgument type 'Converts'
// CHECK-NEXT: RecordType{{.*}}'Converts'
// CHECK-NEXT: CXXRecord{{.*}}'Converts
// CHECK-NEXT: TemplateArgument type 'int'
// CHECK-NEXT: BuiltinType{{.*}}'int'
// CHECK-NEXT: ParmVarDecl{{.*}} CTI 'Converts'
// CHECK-NEXT: ParmVarDecl{{.*}} IsI 'int'
// CHECK-NEXT: CompoundStmt
//
// CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: worker clause{{.*}}
// 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: worker clause{{.*}}
// 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: worker clause{{.*}}
// 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]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ImplicitCastExpr{{.*}} 'int' <UserDefinedConversion>
// CHECK-NEXT: CXXMemberCallExpr{{.*}} 'int'
// CHECK-NEXT: MemberExpr{{.*}} .operator int
// CHECK-NEXT: DeclRefExpr{{.*}} 'Converts' lvalue ParmVar
// 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]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ImplicitCastExpr{{.*}} 'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'IsI' '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]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'unsigned int'
// CHECK-NEXT: NonTypeTemplateParmDecl{{.*}}'unsigned int' depth 0 index 0 I
// CHECK-NEXT: IntegerLiteral{{.*}} 'unsigned int' 3
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
}
struct Converts{
operator int();
};
void uses() {
// CHECK: FunctionDecl{{.*}} uses
// CHECK-NEXT: CompoundStmt
//
// CHECK-NEXT: CallExpr
TemplUses<3>(Converts{}, 5);
// CHECK: OpenACCLoopConstruct{{.*}}<orphan>
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc loop worker
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} parallel
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc parallel
#pragma acc loop worker
for(;;);
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} serial
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker 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 worker
for(;;);
Converts CTI;
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl
// CHECK-NEXT: CXXConstructExpr
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <UserDefinedConversion>
// CHECK-NEXT: CXXMemberCallExpr{{.*}} 'int'
// CHECK-NEXT: MemberExpr{{.*}} .operator int
// CHECK-NEXT: DeclRefExpr{{.*}}'Converts' lvalue Var
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc kernels
#pragma acc loop worker(CTI)
for(;;);
int IsI;
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl
// CHECK-NEXT: OpenACCComputeConstruct 0x[[COMPUTE_ADDR:[0-9a-f]+]]{{.*}} kernels
// CHECK-NEXT: OpenACCLoopConstruct{{.*}} parent: 0x[[COMPUTE_ADDR]]
// CHECK-NEXT: worker clause{{.*}}
// CHECK-NEXT: ImplicitCastExpr{{.*}}'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue Var
// CHECK-NEXT: ForStmt
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: NullStmt
#pragma acc kernels
#pragma acc loop worker(num:IsI)
for(;;);
}
#endif // PCH_HELPER
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