diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 9bae422..42fd8a6 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -1360,7 +1360,7 @@
   unsigned SrcReg1 = getRegForValue(Src1Value);
   if (SrcReg1 == 0) return false;
 
-  unsigned SrcReg2;
+  unsigned SrcReg2 = 0;
   if (!UseImm) {
     SrcReg2 = getRegForValue(Src2Value);
     if (SrcReg2 == 0) return false;
@@ -1577,7 +1577,7 @@
       (ARM_AM::getSOImmVal(Imm) != -1);
   }
 
-  unsigned Op2Reg;
+  unsigned Op2Reg = 0;
   if (!UseImm) {
     Op2Reg = getRegForValue(I->getOperand(2));
     if (Op2Reg == 0) return false;