/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-forwprop1 -fdump-tree-optimized" } */ | |
unsigned char foo(int x) | |
{ | |
int t = -x; | |
unsigned char t1 = t; | |
unsigned char t2 = t; | |
/* We may not rewrite this as (unsigned char)(t - x). */ | |
return t1 + t2; | |
} | |
/* { dg-final { scan-tree-dump-times "x_" 1 "forwprop1" } } */ | |
/* { dg-final { scan-tree-dump-times "x_" 1 "optimized" } } */ |