AArch64: add test for "fence singlethread"

Forgot a git add yesterday.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301037 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2017-04-21 20:36:08 +00:00
parent 602538f2e2
commit 5623f8d30a

View File

@ -0,0 +1,21 @@
; 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 singlethread seq_cst
ret void
}