Add missing check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index f76e837..ee36fc6 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -241,7 +241,7 @@
     OS << PrintReg(getReg(), TRI, getSubReg());
 
     if (isDef() || isKill() || isDead() || isImplicit() || isUndef() ||
-        isEarlyClobber()) {
+        isInternalRead() || isEarlyClobber()) {
       OS << '<';
       bool NeedComma = false;
       if (isDef()) {