/* { dg-do compile } */ | |
/* { dg-options "-O -fdump-tree-fre1" } */ | |
int foo (int i) | |
{ | |
int k = i + 1; | |
int j = i + 1; | |
if (k != j) | |
k = k + 1; | |
if (k != j) | |
k = k + 1; | |
k = k - i; | |
return k; | |
} | |
/* We should be able to value-number the final assignment to k to 1. */ | |
/* { dg-final { scan-tree-dump "return 1;" "fre1" } } */ |