/* { dg-do compile } */ /* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-ivopts-details" } */ int *a; int foo (signed char s, signed char l) { signed char i; int sum = 0; for (i = s; i > l; i--) { sum += a[i]; } return sum; } /* Check loop niter bound information. */ /* { dg-final { scan-tree-dump "bounded by 254" "ivopts" } } */ /* { dg-final { scan-tree-dump-not "bounded by 255" "ivopts" } } */ /* { dg-final { scan-tree-dump-not "zero if " "ivopts" } } */