| /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ |
| /* { dg-options "-O2 -fprofile-generate -fno-tree-loop-im -fdump-tree-ivopts-details-blocks" } */ |
| |
| /* Because gcov counter related var has data race for multithread program, |
| compiler should prevent them from affecting program correctness. So |
| PROF_edge_counter variable should not be used as induction variable, or |
| else IVOPT may use such variable to compute loop boundary. */ |
| |
| void *ptr; |
| int N; |
| |
| void foo(void *t) { |
| int i; |
| for (i = 0; i < N; i++) { |
| t = *(void **)t; |
| } |
| ptr = t; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "ssa name PROF_edge_counter" 0 "ivopts"} } */ |
| /* { dg-final { cleanup-tree-dump "ivopts" } } */ |
