llvm-for-llvmta/test/CodeGen/X86/pause.ll

16 lines
794 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=-sse -show-mc-encoding | FileCheck %s
; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=-avx,+sse2 -show-mc-encoding | FileCheck %s
; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=+avx2 -show-mc-encoding | FileCheck %s
; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mcpu=skx -show-mc-encoding | FileCheck %s
define void @test_x86_sse2_pause() {
; CHECK-LABEL: test_x86_sse2_pause:
; CHECK: ## %bb.0:
; CHECK-NEXT: pause ## encoding: [0xf3,0x90]
; CHECK-NEXT: retl ## encoding: [0xc3]
tail call void @llvm.x86.sse2.pause()
ret void
}
declare void @llvm.x86.sse2.pause() nounwind