remove dead variables

llvm-svn: 28286

llvm/lib/Transforms/LevelRaise.cpp

@@ -103,7 +103,6 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
 
   if (CastInst *CI = dyn_cast<CastInst>(I)) {
     Value       *Src    = CI->getOperand(0);
-    Instruction *SrcI   = dyn_cast<Instruction>(Src); // Nonnull if instr source
     const Type  *DestTy = CI->getType();
 
     // Peephole optimize the following instruction:

llvm/lib/Transforms/Utils/SimplifyCFG.cpp

@@ -901,8 +901,6 @@ HoistTerminator:
 /// across this block.
 static bool BlockIsSimpleEnoughToThreadThrough(BasicBlock *BB) {
   BranchInst *BI = cast<BranchInst>(BB->getTerminator());
-  Value *Cond = BI->getCondition();
-  
   unsigned Size = 0;
   
   // If this basic block contains anything other than a PHI (which controls the