For PR786:

Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380

1 files changed, 2 insertions, 5 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index 95217254bd4..a91d2955405 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -576,8 +576,6 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val,
 
   // Split all of the edges from inside the loop to their exit blocks.  Update
   // the appropriate Phi nodes as we do so.
-  unsigned NumBlocks = L->getBlocks().size();
-  
   for (unsigned i = 0, e = ExitBlocks.size(); i != e; ++i) {
     BasicBlock *ExitBlock = ExitBlocks[i];
     std::vector<BasicBlock*> Preds(pred_begin(ExitBlock), pred_end(ExitBlock));
@@ -966,9 +964,8 @@ void LoopUnswitch::RewriteLoopBodyWithConditionConstant(Loop *L, Value *LIC,
               BasicBlock* Split = SplitBlock(Old, SI);
               
               Instruction* OldTerm = Old->getTerminator();
-              BranchInst* Branch = new BranchInst(Split, SI->getSuccessor(i),
-                                                  ConstantBool::getTrue(),
-                                                  OldTerm);
+              new BranchInst(Split, SI->getSuccessor(i),
+                             ConstantBool::getTrue(), OldTerm);
               
               Old->getTerminator()->eraseFromParent();