| /* { dg-do compile } */ | |
| /* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } { "" } } */ | |
| /* { dg-options "-fdump-tree-optimized-blocks" } */ | |
| unsigned register1; | |
| unsigned register2; | |
| void busy_wait_for_register (int x) | |
| { | |
| volatile unsigned* ptr; | |
| switch(x) { | |
| case 0x1111: | |
| ptr = ®ister1; | |
| break; | |
| case 0x2222: | |
| ptr = ®ister2; | |
| break; | |
| default: | |
| return; | |
| } | |
| while (*ptr) {} | |
| } | |
| /* { dg-final { scan-tree-dump "loop depth 1" "optimized" } } */ |