1 ; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=V6 2 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6 3 ; RUN: llc < %s -march=thumb -mcpu=cortex-m0 | FileCheck %s -check-prefix=V6M 4 5 declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1) 6 7 define void @t1() { 8 ; V6: t1: 9 ; V6: blx {{_*}}sync_synchronize 10 11 ; V6M: t1: 12 ; V6M: dmb st 13 call void @llvm.memory.barrier(i1 false, i1 false, i1 false, i1 true, i1 true) 14 ret void 15 } 16 17 define void @t2() { 18 ; V6: t2: 19 ; V6: blx {{_*}}sync_synchronize 20 21 ; V6M: t2: 22 ; V6M: dmb ish 23 call void @llvm.memory.barrier(i1 true, i1 false, i1 false, i1 true, i1 false) 24 ret void 25 } 26
