llvm-project/clang/test/OpenMP/task_ast_print.cpp

// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
// expected-no-diagnostics

#ifndef HEADER
#define HEADER

void foo() {}

template <class T>
struct S {
  operator T() { return T(); }
  static T TS;
#pragma omp threadprivate(TS)
};

// CHECK:      template <class T = int> struct S {
// CHECK:        static int TS;
// CHECK-NEXT:   #pragma omp threadprivate(S<int>::TS)
// CHECK-NEXT: }
// CHECK:      template <class T = long> struct S {
// CHECK:        static long TS;
// CHECK-NEXT:   #pragma omp threadprivate(S<long>::TS)
// CHECK-NEXT: }
// CHECK:      template <class T> struct S {
// CHECK:        static T TS;
// CHECK-NEXT:   #pragma omp threadprivate(S::TS)
// CHECK:      };

template <typename T, int C>
T tmain(T argc, T *argv) {
  T b = argc, c, d, e, f, g;
  static T a;
  S<T> s;
#pragma omp task untied depend(in : argc)
  a = 2;
#pragma omp task default(none), private(argc, b) firstprivate(argv) shared(d) if (argc > 0) final(S<T>::TS > 0)
  foo();
#pragma omp task if (C) mergeable
  foo();
  return 0;
}

// CHECK: template <typename T = int, int C = 5> int tmain(int argc, int *argv) {
// CHECK-NEXT: int b = argc, c, d, e, f, g;
// CHECK-NEXT: static int a;
// CHECK-NEXT: S<int> s;
// CHECK-NEXT: #pragma omp task untied depend(in : argc)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: #pragma omp task default(none) private(argc,b) firstprivate(argv) shared(d) if(argc > 0) final(S<int>::TS > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp task if(5) mergeable
// CHECK-NEXT: foo()
// CHECK: template <typename T = long, int C = 1> long tmain(long argc, long *argv) {
// CHECK-NEXT: long b = argc, c, d, e, f, g;
// CHECK-NEXT: static long a;
// CHECK-NEXT: S<long> s;
// CHECK-NEXT: #pragma omp task untied depend(in : argc)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: #pragma omp task default(none) private(argc,b) firstprivate(argv) shared(d) if(argc > 0) final(S<long>::TS > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp task if(1) mergeable
// CHECK-NEXT: foo()
// CHECK: template <typename T, int C> T tmain(T argc, T *argv) {
// CHECK-NEXT: T b = argc, c, d, e, f, g;
// CHECK-NEXT: static T a;
// CHECK-NEXT: S<T> s;
// CHECK-NEXT: #pragma omp task untied depend(in : argc)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: #pragma omp task default(none) private(argc,b) firstprivate(argv) shared(d) if(argc > 0) final(S<T>::TS > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp task if(C) mergeable
// CHECK-NEXT: foo()

enum Enum {};

int main(int argc, char **argv) {
  long x;
  int b = argc, c, d, e, f, g;
  static int a;
#pragma omp threadprivate(a)
  Enum ee;
// CHECK: Enum ee;
#pragma omp task untied mergeable depend(out:argv[1])
  // CHECK-NEXT: #pragma omp task untied mergeable depend(out : argv[1])
  a = 2;
// CHECK-NEXT: a = 2;
#pragma omp task default(none), private(argc, b) firstprivate(argv) if (argc > 0) final(a > 0) depend(inout : a)
  // CHECK-NEXT: #pragma omp task default(none) private(argc,b) firstprivate(argv) if(argc > 0) final(a > 0) depend(inout : a)
  foo();
  // CHECK-NEXT: foo();
  return tmain<int, 5>(b, &b) + tmain<long, 1>(x, &x);
}

#endif