/* Check that eliminable compare-instructions are eliminated. */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O2" } */ | |
/* { dg-final { scan-assembler-not "\tcmp|\ttest" } } */ | |
#ifndef t | |
#define t int | |
#endif | |
#ifndef t2 | |
#define t2 t | |
#endif | |
#ifndef op | |
#define op(x) ~(x) | |
#endif | |
extern void foo(t2); | |
t2 f(t a, t2 *b, t2 *d) | |
{ | |
t2 c = op(a); | |
*b = c; | |
if (c != 0) | |
*d = c; | |
return c; | |
} | |
t2 g(t a, t2 *b, t2 *d) | |
{ | |
t2 c = op(a); | |
*b = c; | |
if (c <= 0) | |
*d = c; | |
return c; | |
} |