llvm-project/llvm/test/CodeGen/ARM/fence-singlethread.ll

17 lines
448 B
LLVM

; 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 singlethread seq_cst
ret void
}