llvm-project/llvm/test/CodeGen/PowerPC/atomics-fences.ll

29 lines
689 B
LLVM

; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -mcpu=440 | FileCheck %s --check-prefix=PPC440
; Fences
define void @fence_acquire() {
; CHECK-LABEL: fence_acquire
; CHECK: lwsync
; PPC440-NOT: lwsync
; PPC440: msync
fence acquire
ret void
}
define void @fence_release() {
; CHECK-LABEL: fence_release
; CHECK: lwsync
; PPC440-NOT: lwsync
; PPC440: msync
fence release
ret void
}
define void @fence_seq_cst() {
; CHECK-LABEL: fence_seq_cst
; CHECK: sync
; PPC440: msync
fence seq_cst
ret void
}