gcc/testsuite/gcc.dg/tree-ssa/phi-opt-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 _Bool t();
   5 _Bool t1();
   6
   7 _Bool f1()
   8 {
   9   return t() && t1();
  10 }
  11
  12 /* There should be only one if, the outer one; the inner one
  13    should have been changed to straight line code with the
  14    value of b (except that we don't fold ! (b != 0) into b
  15    which means that we miss a sib calling opportunity).  */
  16 /* { dg-final { scan-tree-dump-times "if " 1 "optimized"} } */
  17 /* { dg-final { cleanup-tree-dump "optimized" } } */