| /* { dg-do link } */ |
| /* { dg-options "-O3 -fdump-tree-cunrolli-optimized" } */ |
| |
| extern void foo(void); |
| static int b, f, *a = &b; |
| int **c = &a; |
| static void d() { |
| int g, h; |
| for (f = 0; f < 1; f++) { |
| int *i = &b; |
| { |
| int *j[3], **k = &a; |
| for (g = 0; g < 3; g++) |
| for (h = 0; h < 1; h++) |
| j[g] = &b; |
| *k = j[0]; |
| } |
| *c = i; |
| } |
| } |
| int main() { |
| d(); |
| *a = 0; |
| if (**c) |
| foo(); |
| return 0; |
| } |
| |
| /* Verify that we unroll the inner loop early even with -O3. */ |
| /* { dg-final { scan-tree-dump "loop with 1 iterations completely unrolled" "cunrolli" } } */ |
| /* { dg-final { scan-tree-dump "loop with 3 iterations completely unrolled" "cunrolli" } } */ |
