| Dylan McKay | a789f40 | 2016-11-16 21:58:04 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s |
| 2 | |||||
| 3 | ; Checks that atomic fences are simply removed from IR. | ||||
| 4 | ; AVR is always singlethreaded so fences do nothing. | ||||
| 5 | |||||
| 6 | ; CHECK_LABEL: atomic_fence8 | ||||
| 7 | ; CHECK: ; BB#0: | ||||
| 8 | ; CHECK-NEXT: ret | ||||
| 9 | define void @atomic_fence8() { | ||||
| 10 | fence acquire | ||||
| 11 | ret void | ||||
| 12 | } | ||||
| 13 | |||||