diff --git a/llvm/lib/Target/IA64/IA64ISelLowering.cpp b/llvm/lib/Target/IA64/IA64ISelLowering.cpp
index 31dba92..1a1f40b 100644
--- a/llvm/lib/Target/IA64/IA64ISelLowering.cpp
+++ b/llvm/lib/Target/IA64/IA64ISelLowering.cpp
@@ -300,7 +300,7 @@
     {
       SDOperand Val = Args[i].first;
       MVT::ValueType ObjectVT = Val.getValueType();
-      SDOperand ValToStore, ValToConvert;
+      SDOperand ValToStore(0, 0), ValToConvert;
       unsigned ObjSize=8;
       switch (ObjectVT) {
       default: assert(0 && "unexpected argument type!");
diff --git a/llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp b/llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
index d61c4f0..a0d6b2f 100644
--- a/llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
@@ -379,7 +379,7 @@
   for (unsigned i = 0, e = Args.size(); i != e; ++i) {
     SDOperand Val = Args[i].first;
     MVT::ValueType ObjectVT = Val.getValueType();
-    SDOperand ValToStore;
+    SDOperand ValToStore(0, 0);
     unsigned ObjSize;
     switch (ObjectVT) {
     default: assert(0 && "Unhandled argument type!");
diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp
index 9ce406b..20c97bc 100644
--- a/llvm/lib/Target/X86/X86ISelPattern.cpp
+++ b/llvm/lib/Target/X86/X86ISelPattern.cpp
@@ -2989,7 +2989,7 @@
 
   // Copy the return address of the caller into a virtual register so we don't
   // clobber it.
-  SDOperand RetVal;
+  SDOperand RetVal(0, 0);
   if (ESPOffset) {
     SDOperand RetValAddr = X86Lowering.getReturnAddressFrameIndex(*TheDAG);
     RetVal = TheDAG->getLoad(MVT::i32, TheDAG->getEntryNode(),