| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-fre" } */ | |
| /* FRE should be able to combine i and j and perform simplification | |
| on the condition. */ | |
| extern void link_error (void); | |
| int i; | |
| int foo(int b, int c) | |
| { | |
| i = b + 1; | |
| int j = i - 1; | |
| if (b != j) | |
| link_error (); | |
| } | |
| /* { dg-final { scan-tree-dump-not "link_error" "fre" } } */ | |
| /* { dg-final { cleanup-tree-dump "fre" } } */ |