| Tim Northover | 1efaa3a | 2017-04-21 20:36:08 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s --check-prefix=LINUX |
| 2 | ; RUN: llc -mtriple=aarch64-apple-ios %s -o - | FileCheck %s --check-prefix=IOS |
| 3 | ; RUN: llc -mtriple=aarch64-linux-gnueabihf %s -filetype=obj -o %t |
| 4 | ; RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=OBJ |
| 5 | |
| 6 | ; OBJ-NOT: dmb |
| 7 | |
| 8 | define void @fence_singlethread() { |
| 9 | ; LINUX-LABEL: fence_singlethread: |
| 10 | ; LINUX-NOT: dmb |
| 11 | ; LINUX: // COMPILER BARRIER |
| 12 | ; LINUX-NOT: dmb |
| 13 | |
| 14 | ; IOS-LABEL: fence_singlethread: |
| 15 | ; IOS-NOT: dmb |
| 16 | ; IOS: ; COMPILER BARRIER |
| 17 | ; IOS-NOT: dmb |
| 18 | |
| Konstantin Zhuravlyov | bb80d3e | 2017-07-11 22:23:00 +0000 | [diff] [blame] | 19 | fence syncscope("singlethread") seq_cst |
| Tim Northover | 1efaa3a | 2017-04-21 20:36:08 +0000 | [diff] [blame] | 20 | ret void |
| 21 | } |