Add another e2e test.

Author: Prabhuk

llvm/test/CodeGen/X86/musttail-varargs.ll

@@ -2,6 +2,7 @@
 ; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=x86_64-linux | FileCheck %s --check-prefix=LINUX
 ; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=x86_64-linux-gnux32 | FileCheck %s --check-prefix=LINUX-X32
 ; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=x86_64-windows | FileCheck %s --check-prefix=WINDOWS
+; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=x86_64-uefi | FileCheck %s --check-prefix=WINDOWS
 ; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=i686-windows | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
 ; RUN: llc -verify-machineinstrs < %s -enable-tail-merge=0 -mtriple=i686-windows -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE
 

llvm/test/CodeGen/X86/rex-profile-test.ll

@@ -15,4 +15,4 @@ define void @test_tailjmp(ptr %fptr) {
 entry:
   tail call void %fptr()
   ret void
-}
+}