/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-vrp1" } */ | |
void fail(void) __attribute__((noreturn)); | |
int bar(int); | |
int foo(int x) { | |
int i; | |
int s = 0; | |
if (x <= 0) fail(); | |
for (i = 0; i < x; ++i) { | |
/* This division by 4 should be replaced with >> 2. */ | |
s += bar(i/4); | |
} | |
return s; | |
} | |
/* { dg-final { scan-tree-dump-times " = i_.* >> 2" 1 "vrp1" } } */ |