[Sparc] Fix typo. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcRegisterInfo.cpp b/lib/Target/Sparc/SparcRegisterInfo.cpp
index beb8e2c..73e1a7a 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -197,10 +197,10 @@
       unsigned DestReg     = MI.getOperand(0).getReg();
       unsigned DestEvenReg = getSubReg(DestReg, SP::sub_even64);
       unsigned DestOddReg  = getSubReg(DestReg, SP::sub_odd64);
-      MachineInstr *StMI =
+      MachineInstr *LdMI =
         BuildMI(*MI.getParent(), II, dl, TII.get(SP::LDDFri), DestEvenReg)
         .addReg(FrameReg).addImm(0);
-      replaceFI(MF, *StMI, *StMI, dl, 1, Offset, FrameReg);
+      replaceFI(MF, *LdMI, *LdMI, dl, 1, Offset, FrameReg);
 
       MI.setDesc(TII.get(SP::LDDFri));
       MI.getOperand(0).setReg(DestOddReg);