factor_parallel-wsloop-collapse-intfor.cpp

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// RUN: %libomp-cxx-compile-and-run | FileCheck %s --match-full-lines
 
#ifndef HEADER
#define HEADER
 
#include <cstdlib>
#include <cstdio>
 
int main() {
  printf("do\n");
#pragma omp parallel for collapse(2) num_threads(1)
  for (int i = 0; i < 3; ++i)
#pragma omp unroll partial(2)
    for (int j = 0; j < 3; ++j)
      printf("i=%d j=%d\n", i, j);
  printf("done\n");
  return EXIT_SUCCESS;
}
 
#endif /* HEADER */
 
// CHECK:      do
// CHECK-NEXT: i=0 j=0
// CHECK-NEXT: i=0 j=1
// CHECK-NEXT: i=0 j=2
// CHECK-NEXT: i=1 j=0
// CHECK-NEXT: i=1 j=1
// CHECK-NEXT: i=1 j=2
// CHECK-NEXT: i=2 j=0
// CHECK-NEXT: i=2 j=1
// CHECK-NEXT: i=2 j=2
// CHECK-NEXT: done