| // { dg-do compile } |
| // { dg-options "-O -fdump-tree-cddce1" } |
| |
| enum Scale { E1, E2, E3, E4, E5, E6, E7, E8 }; |
| |
| int Test(Scale s) |
| { |
| switch(s) |
| { |
| case E1: return 12; |
| case E2: return 17; |
| case E3: return 22; |
| case E4: return 42; |
| default: break; |
| } |
| return 0; |
| } |
| |
| // tree forwprop should have eliminated the (int) s cast for the |
| // switch value and directly switch on the 's' parameter |
| |
| // { dg-final { scan-tree-dump-not "\\\(int\\\)" "cddce1" } } |
| // { dg-final { scan-tree-dump "switch \\\(s_.\\\(D\\\)\\\)" "cddce1" } } |
| // { dg-final { cleanup-tree-dump "cddce1" } } |