| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-dse1" } */ | |
| int | |
| foo (int a, int b, int c) | |
| { | |
| int *p; | |
| if (c) | |
| p = &a; | |
| else | |
| p = &b; | |
| *p = 3; | |
| *p = 4; | |
| return *p; | |
| } | |
| /* We should eliminate both assignments to *p. */ | |
| /* { dg-final { scan-tree-dump-times " = 3" 0 "dse1"} } */ | |
| /* { dg-final { scan-tree-dump-times " = 4" 0 "dse1"} } */ | |
| /* The return *p should be turned into return 4. */ | |
| /* { dg-final { scan-tree-dump-times " return 4" 1 "dse1"} } */ | |