| /* PR37997 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-pre-details -fno-code-hoisting" } */ |
| |
| int foo (int i, int b, int result) |
| { |
| int mask; |
| if (b) |
| mask = -2; |
| else |
| mask = 0; |
| result = i + 1; |
| result = result & mask; |
| return result; |
| } |
| |
| /* We should insert i + 1 into the if (b) path as well as the simplified |
| i + 1 & -2 expression. And do replacement with two PHI temps. */ |
| /* With hoisting enabled we'd hoist i + 1 to before the if, retaining |
| only one PHI node. */ |
| |
| /* { dg-final { scan-tree-dump-times "with prephitmp" 2 "pre" } } */ |
