| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| /* LLVM LOCAL test not applicable */ |
| /* { dg-require-fdump "" } */ |
| static int a; |
| int f; |
| void bar (void) __attribute__((noinline)); |
| void bar (void) |
| { |
| f = 9; |
| } |
| |
| void link_error (); |
| |
| int foo() |
| { |
| int b, c; |
| a = 5; |
| b = a; |
| bar (); |
| b = b + a; |
| if (b != 10) |
| link_error (); |
| return b; |
| } |
| |
| /* We should have removed the link_error on the tree level as GCC can tell that |
| a is not touched by the calling bar at all. */ |
| /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ |
| /* { dg-final { cleanup-tree-dump "optimized" } } */ |