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