| /* { dg-do compile } */ | |
| /* { dg-options "-fstrict-overflow -O2 -fdump-tree-optimized" } */ | |
| /* 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 "return 3" "optimized" } } */ | |