/* { dg-do compile } */ | |
/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-optimized" } */ | |
/* Dual of strict-overflow-5.c. */ | |
/* We can only unroll when using strict overflow semantics. */ | |
int foo (int i) | |
{ | |
int index; | |
int r=0; | |
for (index = i; index <= i+4; index+=2) | |
r++; | |
return r; | |
} | |
/* { dg-final { scan-tree-dump-times "r = 3" 0 "optimized" } } */ |