bool-2.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 23 行

/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */

int f(_Bool x)
{
  int y;
  if (x)
    y = 1;
  else
    y = 0;
  return y;
}

/* There should be no != 0 which is produced by the front-end as
   bool_var != 0 is the same as bool_var. */
/* { dg-final { scan-tree-dump-times "!= 0" 0 "optimized"} } */

/* There should be no adde for powerpc. Checking if we actually optimizated
   away the comparision.  */
/* { dg-final { scan-assembler-times "adde" 0 { target powerpc-*-* } } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */