--- /dev/null
+; 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
+}