File: kernels-counter-var-redundant-load.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* { dg-additional-options "-O2" } */
/* { dg-additional-options "-fdump-tree-dom3" } */

#include <stdlib.h>

#define N (1024 * 512)
#define COUNTERTYPE unsigned int

COUNTERTYPE
foo (unsigned int *c)
{
  COUNTERTYPE ii;

#pragma acc kernels copyout (c[0:N])
  {
    for (ii = 0; ii < N; ii++)
      c[ii] = 1;
  }

  return ii;
}

/* We're expecting:

   .omp_data_i_10 = &.omp_data_arr.3;
   _11 = .omp_data_i_10->ii;
   *_11 = 0;
   _15 = .omp_data_i_10->c;
   c.1_16 = *_15;

   Check that there's only one load from anonymous ssa-name (which we assume to
   be the one to read c), and that there's no such load for ii.  */

/* { dg-final { scan-tree-dump-times "(?n)\\*_\[0-9\]\[0-9\]*;$" 1 "dom3" } } */