| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */ | |
| int loop1 (int k) | |
| { | |
| unsigned int i; | |
| int a[1000], b[1000], c[1000]; | |
| for (i = 1; i < 1000; i ++) | |
| { | |
| a[i] = c[i]; /* S1 */ | |
| b[i] = a[i-1]+1; /* S2 */ | |
| } | |
| /* Dependences: | |
| S1->S2 (flow, level 1) | |
| One partition as A is used in both S1 and S2. | |
| */ | |
| return a[1000-2] + b[1000-1] + c[1000-2]; | |
| } | |
| /* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 0 "ldist" } } */ |