| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-fre-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: 2" 1 "fre"} } */ | |
| /* { dg-final { cleanup-tree-dump "fre" } } */ |