gcc-4.9/gcc/testsuite/gcc.target/arm/ivopts-5.c


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/* { dg-do assemble } */
/* { dg-options "-Os -fdump-tree-ivopts -save-temps" } */

extern unsigned int foo (int*) __attribute__((pure));

unsigned int
tr1 (int array[], unsigned int n)
{
  int sum = 0;
  unsigned int x;
  for (x = 0; x < n; ++x)
    sum += foo (&array[x]);
  return sum;
}

/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
/* { dg-final { scan-tree-dump-times "PHI <x" 0 "ivopts"} } */
/* { dg-final { scan-tree-dump-times ", x" 0 "ivopts"} } */
/* { dg-final { object-size text <= 30 { target arm_thumb2 } } } */
/* { dg-final { cleanup-tree-dump "ivopts" } } */
/* { dg-final { cleanup-saved-temps "ivopts" } } */