diff --git a/lib/CodeGen/RegAlloc/RegClass.cpp b/lib/CodeGen/RegAlloc/RegClass.cpp
index b92b70997ba..788921ba019 100644
--- a/lib/CodeGen/RegAlloc/RegClass.cpp
+++ b/lib/CodeGen/RegAlloc/RegClass.cpp
@@ -158,7 +158,7 @@ IGNode * RegClass::getIGNodeWithMinSpillCost()
 {
 
   unsigned int IGNodeListSize = IG.getIGNodeList().size(); 
-  double MinSpillCost;
+  double MinSpillCost = 0;
   IGNode *MinCostIGNode = NULL;
   bool isFirstNode = true;
 
diff --git a/lib/Target/SparcV9/RegAlloc/RegClass.cpp b/lib/Target/SparcV9/RegAlloc/RegClass.cpp
index b92b70997ba..788921ba019 100644
--- a/lib/Target/SparcV9/RegAlloc/RegClass.cpp
+++ b/lib/Target/SparcV9/RegAlloc/RegClass.cpp
@@ -158,7 +158,7 @@ IGNode * RegClass::getIGNodeWithMinSpillCost()
 {
 
   unsigned int IGNodeListSize = IG.getIGNodeList().size(); 
-  double MinSpillCost;
+  double MinSpillCost = 0;
   IGNode *MinCostIGNode = NULL;
   bool isFirstNode = true;
 
diff --git a/lib/Transforms/LevelRaise.cpp b/lib/Transforms/LevelRaise.cpp
index 6ea60059eae..84f57852cdc 100644
--- a/lib/Transforms/LevelRaise.cpp
+++ b/lib/Transforms/LevelRaise.cpp
@@ -158,7 +158,7 @@ static bool PeepholeOptimizeAddCast(BasicBlock *BB, BasicBlock::iterator &BI,
                                     Value *AddOp1, CastInst *AddOp2) {
   const CompositeType *CompTy;
   Value *OffsetVal = AddOp2->getOperand(0);
-  Value *SrcPtr;  // Of type pointer to struct...
+  Value *SrcPtr = 0;  // Of type pointer to struct...
 
   if ((CompTy = getPointedToComposite(AddOp1->getType()))) {
     SrcPtr = AddOp1;                      // Handle the first case...