diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 5b3d3ea..cbeebc4 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -58,8 +58,6 @@
   };
 private:
   const MCInstrDesc *MCID;              // Instruction descriptor.
-  uint16_t NumImplicitOps;              // Number of implicit operands (which
-                                        // are determined at construction time).
 
   uint8_t Flags;                        // Various bits of additional
                                         // information about machine
@@ -78,9 +76,6 @@
   MachineBasicBlock *Parent;            // Pointer to the owning basic block.
   DebugLoc debugLoc;                    // Source line information.
 
-  // OperandComplete - Return true if it's illegal to add a new operand
-  bool OperandsComplete() const;
-
   MachineInstr(const MachineInstr&);   // DO NOT IMPLEMENT
   void operator=(const MachineInstr&); // DO NOT IMPLEMENT
 
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 70e3609..da1439c 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -464,7 +464,7 @@
 /// MachineInstr ctor - This constructor creates a dummy MachineInstr with
 /// MCID NULL and no operands.
 MachineInstr::MachineInstr()
-  : MCID(0), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(0), Flags(0), AsmPrinterFlags(0),
     MemRefs(0), MemRefsEnd(0),
     Parent(0) {
   // Make sure that we get added to a machine basicblock
@@ -484,8 +484,9 @@
 /// implicit operands. It reserves space for the number of operands specified by
 /// the MCInstrDesc.
 MachineInstr::MachineInstr(const MCInstrDesc &tid, bool NoImp)
-  : MCID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(&tid), Flags(0), AsmPrinterFlags(0),
     MemRefs(0), MemRefsEnd(0), Parent(0) {
+  unsigned NumImplicitOps = 0;
   if (!NoImp)
     NumImplicitOps = MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
   Operands.reserve(NumImplicitOps + MCID->getNumOperands());
@@ -498,8 +499,9 @@
 /// MachineInstr ctor - As above, but with a DebugLoc.
 MachineInstr::MachineInstr(const MCInstrDesc &tid, const DebugLoc dl,
                            bool NoImp)
-  : MCID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(&tid), Flags(0), AsmPrinterFlags(0),
     MemRefs(0), MemRefsEnd(0), Parent(0), debugLoc(dl) {
+  unsigned NumImplicitOps = 0;
   if (!NoImp)
     NumImplicitOps = MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
   Operands.reserve(NumImplicitOps + MCID->getNumOperands());
@@ -513,10 +515,11 @@
 /// that the MachineInstr is created and added to the end of the specified
 /// basic block.
 MachineInstr::MachineInstr(MachineBasicBlock *MBB, const MCInstrDesc &tid)
-  : MCID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(&tid), Flags(0), AsmPrinterFlags(0),
     MemRefs(0), MemRefsEnd(0), Parent(0) {
   assert(MBB && "Cannot use inserting ctor with null basic block!");
-  NumImplicitOps = MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
+  unsigned NumImplicitOps =
+    MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
   Operands.reserve(NumImplicitOps + MCID->getNumOperands());
   addImplicitDefUseOperands();
   // Make sure that we get added to a machine basicblock
@@ -528,10 +531,11 @@
 ///
 MachineInstr::MachineInstr(MachineBasicBlock *MBB, const DebugLoc dl,
                            const MCInstrDesc &tid)
-  : MCID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(&tid), Flags(0), AsmPrinterFlags(0),
     MemRefs(0), MemRefsEnd(0), Parent(0), debugLoc(dl) {
   assert(MBB && "Cannot use inserting ctor with null basic block!");
-  NumImplicitOps = MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
+  unsigned NumImplicitOps =
+    MCID->getNumImplicitDefs() + MCID->getNumImplicitUses();
   Operands.reserve(NumImplicitOps + MCID->getNumOperands());
   addImplicitDefUseOperands();
   // Make sure that we get added to a machine basicblock
@@ -542,7 +546,7 @@
 /// MachineInstr ctor - Copies MachineInstr arg exactly
 ///
 MachineInstr::MachineInstr(MachineFunction &MF, const MachineInstr &MI)
-  : MCID(&MI.getDesc()), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+  : MCID(&MI.getDesc()), Flags(0), AsmPrinterFlags(0),
     MemRefs(MI.MemRefs), MemRefsEnd(MI.MemRefsEnd),
     Parent(0), debugLoc(MI.getDebugLoc()) {
   Operands.reserve(MI.getNumOperands());
@@ -550,7 +554,6 @@
   // Add operands
   for (unsigned i = 0; i != MI.getNumOperands(); ++i)
     addOperand(MI.getOperand(i));
-  NumImplicitOps = MI.NumImplicitOps;
 
   // Copy all the flags.
   Flags = MI.Flags;
@@ -799,15 +802,6 @@
 }
 
 
-/// OperandComplete - Return true if it's illegal to add a new operand
-///
-bool MachineInstr::OperandsComplete() const {
-  unsigned short NumOperands = MCID->getNumOperands();
-  if (!MCID->isVariadic() && getNumOperands()-NumImplicitOps >= NumOperands)
-    return true;  // Broken: we have all the operands of this instruction!
-  return false;
-}
-
 /// getNumExplicitOperands - Returns the number of non-implicit operands.
 ///
 unsigned MachineInstr::getNumExplicitOperands() const {