| /* PR33315 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-sink" } */ |
| |
| int num; |
| int a[20]; |
| |
| void test () |
| { |
| int i; |
| int *ptr; |
| ptr = & a[0]; |
| i = num; |
| if ( i == 1) *(ptr+0) = 0; |
| if ( i != 1) *(ptr+0) = 0; |
| if ( i == 2) *(ptr+1) = 0; |
| if ( i != 2) *(ptr+1) = 0; |
| if ( i == 3) *(ptr+2) = 0; |
| if ( i != 3) *(ptr+2) = 0; |
| } |
| |
| /* We should sink/merge all stores and end up with a single BB. */ |
| |
| /* { dg-final { scan-tree-dump-times "MEM\[^\n\r\]* = 0;" 3 "sink1" } } */ |
| /* { dg-final { scan-tree-dump-times "<bb " 1 "sink1" } } */ |
