Prepare remaining tests for -join-physreg going away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130893 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/andimm8.ll b/test/CodeGen/X86/andimm8.ll
index 640237d..a3dc85f 100644
--- a/test/CodeGen/X86/andimm8.ll
+++ b/test/CodeGen/X86/andimm8.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mtriple=x86_64-pc-linux-gnu -show-mc-encoding | FileCheck %s
+; RUN: llc < %s -march=x86-64 -mtriple=x86_64-pc-linux-gnu -show-mc-encoding -join-physregs | FileCheck %s
 
 ; PR8365
 ; CHECK: andl	$-64, %edi              # encoding: [0x83,0xe7,0xc0]