llvm-project/clang/test/OpenMP/distribute_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() {}

struct S {
  S(): a(0) {}
  S(int v) : a(v) {}
  int a;
  typedef int type;
};

template <typename T>
class S7 : public T {
protected:
  T a;
  S7() : a(0) {}

public:
  S7(typename T::type v) : a(v) {
#pragma omp target
#pragma omp teams
#pragma omp distribute private(a) private(this->a) private(T::a)
    for (int k = 0; k < a.a; ++k)
      ++this->a.a;
  }
  S7 &operator=(S7 &s) {
#pragma omp target
#pragma omp teams
#pragma omp distribute private(a) private(this->a)
    for (int k = 0; k < s.a.a; ++k)
      ++s.a.a;
    return *this;
  }
};

// CHECK: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(this->a) private(this->a) private(this->S::a)
// CHECK: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(this->a) private(this->a) private(T::a)
// CHECK: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(this->a) private(this->a)

class S8 : public S7<S> {
  S8() {}

public:
  S8(int v) : S7<S>(v){
#pragma omp target
#pragma omp teams
#pragma omp distribute private(a) private(this->a) private(S7<S>::a) 
    for (int k = 0; k < a.a; ++k)
      ++this->a.a;
  }
  S8 &operator=(S8 &s) {
#pragma omp target
#pragma omp teams
#pragma omp distribute private(a) private(this->a)
    for (int k = 0; k < s.a.a; ++k)
      ++s.a.a;
    return *this;
  }
};

// CHECK: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(this->a) private(this->a) private(this->S7<S>::a)
// CHECK: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(this->a) private(this->a)

template <class T, int N>
T tmain(T argc) {
  T b = argc, c, d, e, f, g;
  static T a;
// CHECK: static T a;
#pragma omp distribute
// CHECK-NEXT: #pragma omp distribute
  for (int i=0; i < 2; ++i)a=2;
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: a = 2;
#pragma omp target
#pragma omp teams
#pragma omp distribute private(argc, b), firstprivate(c, d), collapse(2)
  for (int i = 0; i < 10; ++i)
  for (int j = 0; j < 10; ++j)foo();
// CHECK-NEXT: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(argc,b) firstprivate(c,d) collapse(2)
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: for (int j = 0; j < 10; ++j)
// CHECK-NEXT: foo();
  for (int i = 0; i < 10; ++i)foo();
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: foo();
#pragma omp distribute
// CHECK: #pragma omp distribute
  for (int i = 0; i < 10; ++i)foo();
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: foo();  
  return T();
}

int main (int argc, char **argv) {
  int b = argc, c, d, e, f, g;
  static int a;
// CHECK: static int a;
#pragma omp distribute
// CHECK-NEXT: #pragma omp distribute
  for (int i=0; i < 2; ++i)a=2;
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: a = 2;
#pragma omp target
#pragma omp teams
#pragma omp distribute private(argc,b),firstprivate(argv, c), collapse(2)
  for (int i = 0; i < 10; ++i)
  for (int j = 0; j < 10; ++j)foo();
// CHECK-NEXT: #pragma omp target
// CHECK-NEXT: #pragma omp teams
// CHECK-NEXT: #pragma omp distribute private(argc,b) firstprivate(argv,c) collapse(2)
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: for (int j = 0; j < 10; ++j)
// CHECK-NEXT: foo();
  for (int i = 0; i < 10; ++i)foo();
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: foo();
#pragma omp distribute
// CHECK: #pragma omp distribute
  for (int i = 0; i < 10; ++i)foo();
// CHECK-NEXT: for (int i = 0; i < 10; ++i)
// CHECK-NEXT: foo();
  return (0);
}

#endif