| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-dom2-details" } */ | |
| void foo(); | |
| void bla(); | |
| void bar(); | |
| /* Avoid threading in the following case, to prevent creating subloops. */ | |
| void dont_thread_2 (int first) | |
| { | |
| int i = 0; | |
| do | |
| { | |
| if (first) | |
| foo (); | |
| else | |
| bar (); | |
| first = 0; | |
| bla (); | |
| } while (i++ < 100); | |
| } | |
| /* Peeling off the first iteration would make threading through | |
| the loop latch safe, but we don't do that currently. */ | |
| /* { dg-final { scan-tree-dump-not "IRREDUCIBLE_LOOP" "dom2" } } */ |