/* Check that eliminable compare-instructions are eliminated. */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O2" } */ | |
/* { dg-final { scan-assembler-not "\tcmp|\ttest" } } */ | |
#ifndef t | |
#define t short int | |
#endif | |
#ifndef t2 | |
#define t2 t | |
#endif | |
#ifndef op | |
#define op + | |
#endif | |
#ifndef do_f | |
#define do_f 1 | |
#endif | |
#ifndef do_g | |
#define do_g 1 | |
#endif | |
extern void foo(void); | |
#if do_f | |
void f(t a, t b) | |
{ | |
t2 c = a op b; | |
if (c == 0) | |
foo(); | |
} | |
#endif | |
#if do_g | |
void g(t a, t b) | |
{ | |
t2 c = a op b; | |
if (c >= 0) | |
foo(); | |
} | |
#endif |