unroll-partial.c

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// RUN: %libomp-compile -fopenmp-version=60 && %libomp-run \
// RUN:   | FileCheck %s --match-full-lines
 
// fuse restores the variable of a partially unrolled loop it consumes.
 
#ifndef HEADER
#define HEADER
 
#include <stdio.h>
#include <stdlib.h>
 
int main(void) {
  int i = -1, j = -1;
#pragma omp fuse
  {
#pragma omp unroll partial(2)
    for (i = 0; i < 5; i++)
      ;
    for (j = 0; j < 5; j++)
      ;
  }
  printf("i=%d j=%d\n", i, j);
  return EXIT_SUCCESS;
}
#endif
 
// CHECK: i=5 j=5