llvm-6502/test/CodeGen/Thumb/barrier.ll

26 lines
676 B
LLVM

; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=V6
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6
; RUN: llc < %s -march=thumb -mcpu=cortex-m0 | FileCheck %s -check-prefix=V6M
declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1)
define void @t1() {
; V6: t1:
; V6: blx {{_*}}sync_synchronize
; V6M: t1:
; V6M: dmb st
call void @llvm.memory.barrier(i1 false, i1 false, i1 false, i1 true, i1 true)
ret void
}
define void @t2() {
; V6: t2:
; V6: blx {{_*}}sync_synchronize
; V6M: t2:
; V6M: dmb ish
call void @llvm.memory.barrier(i1 true, i1 false, i1 false, i1 true, i1 false)
ret void
}