gcc/testsuite/gcc.dg/tree-ssa/phi-opt-same-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-phiopt1 -fdump-tree-optimized" } */
   3 /* PR tree-optimization/19832 */
   4
   5 int f_plus(int a, int b)
   6 {
   7   if (a != b) return a + b;
   8   return a + a;
   9 }
  10
  11 int g_plus(int a, int b)
  12 {
  13   if (b != a) return a + b;
  14   return a + a;
  15 }
  16
  17 /* All of the above function's if should have been optimized away even in phiopt1. */
  18 /* { dg-final { scan-tree-dump-not "if " "phiopt1" } } */
  19 /* { dg-final { scan-tree-dump-not "if " "optimized" } } */