loop-construct-reduction-ast.cpp

// 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(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: +
  // CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(*: f)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: *
  // CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(max: i)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: max
  // CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(min: f)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: min
  // CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(&: i)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: &
  // CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(|: f)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: |
  // CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt


#pragma acc loop reduction(^: i)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: ^
  // CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(&&: f)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: &&
  // CHECK-NEXT: DeclRefExpr{{.*}} 'float' lvalue ParmVar{{.*}} 'f' 'float'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt


#pragma acc loop reduction(||: i)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: ||
  // CHECK-NEXT: DeclRefExpr{{.*}} 'int' lvalue ParmVar{{.*}} 'i' 'int'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: +
  // CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(*: T::SomeFloat)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

  typename T::IntTy i;
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'typename T::IntTy'

#pragma acc loop reduction(max: i)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(min: t)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: min
  // CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(&: T::SomeFloat)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(|: i)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(^: t)
  for(int i = 0; i < 5; ++i);
  // CHECK-NEXT: OpenACCLoopConstruct{{.*}}<orphan>
  // CHECK-NEXT: reduction clause Operator: ^
  // CHECK-NEXT: DeclRefExpr{{.*}} 'T' lvalue Var{{.*}} 't' 'T'
  // CHECK-NEXT: ForStmt
  // CHECK-NEXT: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(&&: T::SomeFloat)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: NullStmt

#pragma acc loop reduction(||: i)
  for(int i = 0; i < 5; ++i);
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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: DeclStmt
  // CHECK-NEXT: VarDecl{{.*}} i 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 0
  // CHECK-NEXT: <<<NULL>>>
  // CHECK-NEXT: BinaryOperator{{.*}}'<'
  // CHECK-NEXT: ImplicitCastExpr
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // CHECK-NEXT: IntegerLiteral{{.*}} 'int' 5
  // CHECK-NEXT: UnaryOperator{{.*}}++
  // CHECK-NEXT: DeclRefExpr{{.*}}'i' 'int'
  // 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