gcc/testsuite/gcc.dg/tree-ssa/pr104639-1.c

   1 /* PR tree-optimization/104639 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g -fdump-tree-optimized" } */
   4 /* { dg-final { scan-tree-dump-not "PHI <" "optimized" } } */
   5 /* { dg-final { scan-tree-dump-times "i_\[0-9]*\\\(D\\\) != 0;" 1 "optimized" } } */
   6
   7 _Bool
   8 foo (int i)
   9 {
  10   while (i == 4)
  11     i += 2;
  12   return i;
  13 }