| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-dse1-details" } */ | |
| struct X { int x; }; | |
| struct X x; | |
| extern struct X foo (void); | |
| void bar() | |
| { | |
| x = foo(); | |
| x = (struct X){}; | |
| } | |
| extern struct X __attribute__((const)) foo2 (int); | |
| void bar2() | |
| { | |
| x = foo2 (1); | |
| x = foo2 (2); | |
| } | |
| /* { dg-final { scan-tree-dump-times "Deleted dead store in call LHS: x = foo " 1 "dse1" } } */ | |
| /* { dg-final { scan-tree-dump-times "Deleted dead store: x = foo2 " 1 "dse1" } } */ |