gcc/testsuite/gcc.dg/tree-ssa/pr71947-6.c

   1 /* This is highly dependent on branch costing, so make it opt-in.  */
   2 /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
   3 /* { dg-options "-O2 -fno-tree-vrp -fdump-tree-dom-details" } */
   4
   5
   6 int f(int x, int y, int a, int b)
   7 {
   8   int ret = 10;
   9   if (a == x
  10       && b == y
  11       && a == b)
  12     ret = x - y;
  13
  14   return ret;
  15 }
  16
  17 /* { dg-final { scan-tree-dump "Folded to: ret_\[0-9\]+ = 0;"  "dom2" { xfail *-*-* } } } */