; RUN: llc < %s -mattr=+rtm -mtriple=x86_64-unknown-unknown | FileCheck %s declare i32 @llvm.x86.xbegin() nounwind declare void @llvm.x86.xend() nounwind declare void @llvm.x86.xabort(i8) noreturn nounwind define i32 @test_xbegin() nounwind uwtable { entry: %0 = tail call i32 @llvm.x86.xbegin() nounwind ret i32 %0 ; CHECK: test_xbegin ; CHECK: xbegin [[LABEL:.*BB.*]] ; CHECK: [[LABEL]]: } define void @test_xend() nounwind uwtable { entry: tail call void @llvm.x86.xend() nounwind ret void ; CHECK: test_xend ; CHECK: xend } define void @test_xabort() nounwind uwtable { entry: tail call void @llvm.x86.xabort(i8 2) unreachable ; CHECK: test_xabort ; CHECK: xabort $2 }