| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-optimized" } */ | |
| int a[4]; | |
| int *x, *y, *z; | |
| void foo(void) | |
| { | |
| x = &a[3] - 1; | |
| y = &a[1] + 1; | |
| z = 1 + &a[1]; | |
| } | |
| /* { dg-final { scan-tree-dump-times "&MEM <int> \\\[\\\(void .\\\)&a \\\+ (?:4|8)B\\\]" 3 "optimized" } } */ | |
| void bar(int i) | |
| { | |
| x = &a[i] - 1; | |
| y = &a[i] + 1; | |
| z = 1 + &a[i]; | |
| } | |
| /* We can't get &a[i +- 1] in the final code and it is not clear we | |
| want this. Instead we get to see &a[i] and pointer offsetting | |
| by 4 and -4U. */ |