File: cunroll-14.c

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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file content (14 lines) | stat: -rw-r--r-- 641 bytes parent folder | download | duplicates (2) 
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/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-cunroll-blocks-details" } */
struct a {int a[100];};
void
t(struct a *a)
{
  for (int i=0;i<5 && a->a[i];i++)
    a->a[i]++;
}
/* { dg-final { scan-tree-dump-times "loop with 5 iterations completely unrolled" 1 "cunroll" } } */
/* { dg-final { scan-tree-dump-not "Invalid sum" "cunroll" } } */
/* { dg-final { scan-tree-dump-times "Loop 1 iterates 4 times" 1 "cunroll" } } */
/* { dg-final { scan-tree-dump-times "Last iteration exit edge was proved true" 1 "cunroll" } } */
/* { dg-final { scan-tree-dump-times "Exit condition of peeled iterations was eliminated" 1 "cunroll" } } */