| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fdump-tree-optimized" } */ |
| |
| extern void link_error (void); |
| |
| /* Check for dead stores to a struct. */ |
| |
| struct s |
| { |
| char d; |
| int a, b; |
| double m; |
| }; |
| |
| void foo (struct s* teststruct) |
| { |
| teststruct->a = 0; |
| teststruct->a++; |
| if (teststruct->a != 1) |
| link_error (); |
| } |
| |
| /* There should be only one reference to "teststruct" and one in the function header. */ |
| /* { dg-final { scan-tree-dump-times "teststruct" 2 "optimized" } } */ |
| |
| /* There should be no link_error calls. */ |
| /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ |
| |
