gcc/testsuite/gcc.dg/tree-ssa/pr43378.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ivopts" } */
   3
   4 void bar (int, int, int);
   5 void foo (int left, int rite, int element)
   6 {
   7   while (left <= rite)
   8     {
   9       rite -= element;
  10       bar (left, rite, element);
  11       left += element;
  12     }
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "rite_\[0-9\]* = rite_\[0-9\]* - element" 1 "ivopts"} } */
  16 /* { dg-final { scan-tree-dump-times "left_\[0-9\]* = left_\[0-9\]* \\+ element|left_\[0-9\]* = element_\[0-9\]*\\(D\\) \\+ left" 1 "ivopts"} } */