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view test/CodeGen/ARM/fence-singlethread.ll @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
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; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7-apple-ios %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -filetype=obj -o %t
; RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=OBJ

; OBJ-NOT: dmb

define void @fence_singlethread() {
; CHECK-LABEL: fence_singlethread:
; CHECK-NOT: dmb
; CHECK: @ COMPILER BARRIER
; CHECK-NOT: dmb

  fence syncscope("singlethread") seq_cst
  ret void
}