|  | ; 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 |