1 ; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s 2 ; RUN: llc -mtriple=thumbv7-apple-ios %s -o - | FileCheck %s 3 ; RUN: llc -mtriple=thumbv7-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 ; CHECK-LABEL: fence_singlethread: 10 ; CHECK-NOT: dmb 11 ; CHECK: @ COMPILER BARRIER 12 ; CHECK-NOT: dmb 13 14 fence syncscope("singlethread") seq_cst 15 ret void 16 } 17
