Killing warnings

llvm-svn: 1175

lib/Target/Sparc/SparcInstrSelection.cpp

@@ -825,7 +825,7 @@ SetMemOperands_Internal(MachineInstr* minstr,
   MemAccessInst* memInst = (MemAccessInst*) vmInstrNode->getInstruction();
   
   // Initialize so we default to storing the offset in a register.
-  int64_t smallConstOffset;
+  int64_t smallConstOffset = 0;
   Value* valueForRegOffset = NULL;
   MachineOperand::MachineOperandType offsetOpType =MachineOperand::MO_VirtualRegister;
 
@@ -835,7 +835,7 @@ SetMemOperands_Internal(MachineInstr* minstr,
   if (idxVec.size() > 0)
     {
       bool isConstantOffset = false;
-      unsigned offset;
+      unsigned offset = 0;
       
       const PointerType* ptrType = (PointerType*) ptrVal->getType();
       
@@ -1616,7 +1616,7 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
         
         bool mustClearReg;
         int valueToMove;
-        MachineOpCode movOpCode;
+        MachineOpCode movOpCode = 0;
         Value* ccValue = NULL;
         
         if (subtreeRoot->leftChild()->getValue()->getType()->isIntegral() ||

lib/Target/Sparc/SparcInternals.h

@@ -301,6 +301,7 @@ class UltraSparcRegInfo : public MachineRegInfo
     else { 
       cerr << "TypeID: " << ty << endl;
       assert(0 && "Cannot resolve register class for type");
+      return 0;
     }
 
     if(isCCReg)

lib/Target/Sparc/SparcRegInfo.cpp

@@ -523,9 +523,10 @@ void UltraSparcRegInfo::colorCallArgs(const MachineInstr *const CallMI,
       CorrectCol = SparcIntRegOrder::o0;
     else if(RegClassID == FloatRegClassID)
       CorrectCol = SparcFloatRegOrder::f0;
-    else 
+    else {
       assert( 0 && "Unknown RegClass");
-
+      return;
+    }
 
     // if the LR received the correct color, NOTHING to do
 
@@ -787,15 +788,15 @@ void UltraSparcRegInfo::colorRetValue(const  MachineInstr *const RetMI,
     unsigned RegClassID =  getRegClassIDOfValue(RetVal);
     unsigned RegType = getRegType( RetVal );
 
-
     unsigned CorrectCol;
     if(RegClassID == IntRegClassID)
       CorrectCol = SparcIntRegOrder::i0;
     else if(RegClassID == FloatRegClassID)
       CorrectCol = SparcFloatRegOrder::f0;
-    else 
+    else {
       assert( 0 && "Unknown RegClass");
-
+      return;
+    }
 
     // if the LR received the correct color, NOTHING to do