| /* { dg-do compile } */ |
| /* { dg-options "-O -fdump-tree-ifcombine" } */ |
| |
| void bar (void); |
| |
| void |
| foo1 (unsigned int a) |
| { |
| if (a & 1) |
| goto heaven; |
| if (a & 4) |
| goto heaven; |
| return; |
| |
| heaven: |
| bar (); |
| } |
| |
| void |
| foo2 (unsigned int a) |
| { |
| if (a & 1) |
| if (a & 4) |
| goto heaven; |
| return; |
| |
| heaven: |
| bar (); |
| } |
| |
| |
| /* The special treatment of a & 1 != 0 in fold caused the pattern not |
| to be recognized due to extra conversions inserted. */ |
| |
| /* { dg-final { scan-tree-dump "optimizing bits or bits test" "ifcombine" } } */ |
| /* { dg-final { scan-tree-dump "optimizing double bit test" "ifcombine" } } */ |
| /* { dg-final { cleanup-tree-dump "ifcombine" } } */ |
