Back out r48353. Not needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48375 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 5 deletions

diff --git a/include/llvm/CodeGen/MachineInstrBuilder.h b/include/llvm/CodeGen/MachineInstrBuilder.h
index 06f5bf06d9..51900603ac 100644
--- a/include/llvm/CodeGen/MachineInstrBuilder.h
+++ b/include/llvm/CodeGen/MachineInstrBuilder.h
@@ -84,11 +84,6 @@ public:
     return *this;
   }
 
-  const MachineInstrBuilder &addUndef() const {
-    MI->addOperand(MachineOperand::CreateUndef());
-    return *this;
-  }
-
   /// addMemOperand - Add a memory operand to the machine instruction.
   const MachineInstrBuilder &addMemOperand(const MemOperand &MO) const {
     MI->addMemOperand(MO);