| /* { dg-do compile } */ |
| /* { dg-additional-options "-O2 -fdump-ipa-icf-optimized" } */ |
| |
| /* Picking 'main' as a candiate target for equivalent functios is not a |
| good idea. */ |
| |
| int baz (int); |
| |
| int foo () |
| { |
| return baz (baz (0)); |
| } |
| |
| |
| int main () |
| { |
| return baz (baz (0)); |
| } |
| |
| /* Notice the two functions are the same. */ |
| /* { dg-final { scan-ipa-dump "Semantic equality hit:foo/\[0-9+\]+->main/\[0-9+\]+" "icf" } } */ |
| |
| /* Make sure we don't tail call main. */ |
| /* { dg-final { scan-ipa-dump-not "= main \\(\\);" "icf" } } */ |
| |
| /* Make sure we tail call foo. */ |
| /* { dg-final { scan-ipa-dump "= foo \\(\\);" "icf" } } */ |
