foreach.cpp

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// RUN: %libomp-cxx-compile -fopenmp-version=61 && %libomp-run \
// RUN:   | FileCheck %s --match-full-lines
 
#ifndef HEADER
#define HEADER
 
#include <cstdlib>
#include <cstdio>
#include <vector>
 
int main() {
  printf("do\n");
  std::vector<int> outer{10, 20};
  std::vector<int> inner{1, 2, 3};
#pragma omp flatten
  for (int a : outer)
    for (int b : inner)
      printf("a=%d b=%d\n", a, b);
  printf("done\n");
  return EXIT_SUCCESS;
}
 
#endif /* HEADER */
 
// CHECK:      do
// CHECK-NEXT: a=10 b=1
// CHECK-NEXT: a=10 b=2
// CHECK-NEXT: a=10 b=3
// CHECK-NEXT: a=20 b=1
// CHECK-NEXT: a=20 b=2
// CHECK-NEXT: a=20 b=3
// CHECK-NEXT: done