| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-sink-details -fdump-tree-pcom-details" } */ | |
| int x[1024], y[1024], z[1024], w[1024]; | |
| void foo (void) | |
| { | |
| int i; | |
| for (i = 1; i < 1024; ++i) | |
| { | |
| int a = x[i]; | |
| int b = y[i]; | |
| int c = x[i-1]; | |
| int d = y[i-1]; | |
| if (w[i]) | |
| z[i] = (a + b) + (c + d); | |
| } | |
| } | |
| /* { dg-final { scan-tree-dump-not "Sinking # VUSE" "sink1" } } */ | |
| /* { dg-final { scan-tree-dump "Executing predictive commoning without unrolling" "pcom" } } */ |