| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_int } */ |
| /* { dg-additional-options "--param=vect-max-version-for-alias-checks=2" } */ |
| |
| /* A test case showing four potential alias checks between a[i] and b[0], b[1], |
| b[i+1] and b[i+2]. With alias check merging enabled, those four checks |
| can be merged into two, and the loop will be vectorized with |
| vect-max-version-for-alias-checks=2. */ |
| |
| void foo (int *a, int *b) |
| { |
| int i; |
| for (i = 0; i < 1000; ++i) |
| a[i] = b[0] + b[1] + b[i+1] + b[i+2]; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ |
