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/coalescer-commute2.ll b/test/CodeGen/X86/coalescer-commute2.ll
index 7306920..6e5c1cf 100644
--- a/test/CodeGen/X86/coalescer-commute2.ll
+++ b/test/CodeGen/X86/coalescer-commute2.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux -join-physregs | FileCheck %s
 ; CHECK-NOT:     mov
 ; CHECK:     paddw
 ; CHECK-NOT:     mov