| ; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=V6 |
| ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6 |
| ; RUN: llc < %s -march=thumb -mattr=+v6m | FileCheck %s -check-prefix=V6M |
| |
| declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1) |
| |
| define void @t1() { |
| ; V6: t1: |
| ; V6: blx {{_*}}sync_synchronize |
| |
| ; V6M: t1: |
| ; V6M: dmb st |
| call void @llvm.memory.barrier(i1 false, i1 false, i1 false, i1 true, i1 true) |
| ret void |
| } |
| |
| define void @t2() { |
| ; V6: t2: |
| ; V6: blx {{_*}}sync_synchronize |
| |
| ; V6M: t2: |
| ; V6M: dmb ish |
| call void @llvm.memory.barrier(i1 true, i1 false, i1 false, i1 true, i1 false) |
| ret void |
| } |
