gcc/testsuite/gcc.dg/tree-ssa/loop-42.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ivcanon-details" } */
   3
   4 void foo2 (unsigned int num, int *a)
   5 {
   6   unsigned int i, n = (num - (num % 2));
   7
   8   for(i = 0; i != n; i += 2)
   9     a[i] = 0;
  10 }
  11
  12 void foo3 (unsigned int num, int *a)
  13 {
  14   unsigned int i, n = (num - (num % 3));
  15
  16   for(i = 0; i != n; i += 3)
  17     a[i] = 0;
  18 }
  19
  20 void foo4 (unsigned int num, int *a)
  21 {
  22   unsigned int i, n = (num - (num % 4));
  23
  24   for(i = 0; i != n; i += 4)
  25     a[i] = 0;
  26 }
  27
  28 void foo5 (unsigned int num, int *a)
  29 {
  30   unsigned int i, n = (num - (num % 5));
  31
  32   for(i = 0; i != n; i += 5)
  33     a[i] = 0;
  34 }
  35
  36 /* { dg-final { scan-tree-dump-not "under assumptions " "ivcanon" } } */