| /* PR tree-optimization/21658 |
| CCP did not propagate an ADDR_EXPR far enough, preventing the "if" |
| statement below from being folded. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-ccp-details" } */ |
| /* LLVM LOCAL test not applicable */ |
| /* { dg-require-fdump "" } */ |
| |
| void link_error (void); |
| |
| void |
| f (void) |
| { |
| int a[10]; |
| int *p = &a[5]; |
| int *q = p - 1; |
| if (q != &a[4]) |
| link_error (); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Folded statement: if " 1 "ccp"} } */ |
| /* { dg-final { cleanup-tree-dump "ccp" } } */ |
