| ; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s --check-prefix=LINUX | |
| ; RUN: llc -mtriple=aarch64-apple-ios %s -o - | FileCheck %s --check-prefix=IOS | |
| ; RUN: llc -mtriple=aarch64-linux-gnueabihf %s -filetype=obj -o %t | |
| ; RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=OBJ | |
| ; OBJ-NOT: dmb | |
| define void @fence_singlethread() { | |
| ; LINUX-LABEL: fence_singlethread: | |
| ; LINUX-NOT: dmb | |
| ; LINUX: // COMPILER BARRIER | |
| ; LINUX-NOT: dmb | |
| ; IOS-LABEL: fence_singlethread: | |
| ; IOS-NOT: dmb | |
| ; IOS: ; COMPILER BARRIER | |
| ; IOS-NOT: dmb | |
| fence syncscope("singlethread") seq_cst | |
| ret void | |
| } |