/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-fre1-stats" } */ | |
void vnum_test8(int *data) | |
{ | |
int i; | |
int stop = data[3]; | |
int m = data[4]; | |
int n = m; | |
for (i=0; i<stop; i++) { | |
int k = data[2]; | |
data[k] = 2; | |
data[0] = m - n; | |
k = data[1]; | |
m = m + k; | |
n = n + k; | |
} | |
} | |
/* We should eliminate m - n, and set n = n + k into n = m. */ | |
/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "fre1"} } */ |