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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 int f(_Bool x)
   5 {
   6   if (x != 0)
   7    return 1;
   8   return 0;
   9 }
  10
  11 /* There should be no != 0 which is produced by the front-end as
  12    bool_var != 0 is the same as bool_var. */
  13 /* { dg-final { scan-tree-dump-times "!= 0" 0 "optimized"} } */
  14
  15 /* There should be no adde for powerpc.  Check if we actually optimized
  16    away the comparison.  */
  17 /* { dg-final { scan-assembler-times "adde" 0 { target powerpc*-*-* } } } */
  18
  19 /* { dg-final { cleanup-tree-dump "optimized" } } */