Minor code simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60804 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 2cca6c07b1d521adbd319432e2f4e82e381ac174..5fe100392076111ba9ce3c6800e350e6038aa7a8 100644 (file)
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -406,6 +406,8 @@ void MachineInstr::addOperand(const MachineOperand &Op) {
   assert((isImpReg || !OperandsComplete()) &&
          "Trying to add an operand to a machine instr that is already done!");
 
+  MachineRegisterInfo *RegInfo = getRegInfo();
+
   // If we are adding the operand to the end of the list, our job is simpler.
   // This is true most of the time, so this is a reasonable optimization.
   if (isImpReg || NumImplicitOps == 0) {
@@ -419,7 +421,7 @@ void MachineInstr::addOperand(const MachineOperand &Op) {
   
       // If the operand is a register, update the operand's use list.
       if (Op.isReg())
-        Operands.back().AddRegOperandToRegInfo(getRegInfo());
+        Operands.back().AddRegOperandToRegInfo(RegInfo);
       return;
     }
   }
@@ -427,8 +429,6 @@ void MachineInstr::addOperand(const MachineOperand &Op) {
   // Otherwise, we have to insert a real operand before any implicit ones.
   unsigned OpNo = Operands.size()-NumImplicitOps;
 
-  MachineRegisterInfo *RegInfo = getRegInfo();
-
   // If this instruction isn't embedded into a function, then we don't need to
   // update any operand lists.
   if (RegInfo == 0) {