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Remove some more unused code that I missed. 

llvm-svn: 126826
This commit is contained in:
Cameron Zwarich 2011-03-02 03:48:29 +00:00
parent 5dd2aa2615
commit 86ade9510f
1 changed files with 0 additions and 19 deletions
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19
llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -71,10 +71,6 @@ namespace {
/// update it.
BasicBlock::iterator CurInstIterator;
/// BackEdges - Keep a set of all the loop back edges.
///
SmallSet<std::pair<const BasicBlock*, const BasicBlock*>, 8> BackEdges;
// Keeps track of non-local addresses that have been sunk into a block. This
// allows us to avoid inserting duplicate code for blocks with multiple
// load/stores of the same address.
@ -93,10 +89,6 @@ namespace {
AU.addPreserved<ProfileInfo>();
}
virtual void releaseMemory() {
BackEdges.clear();
}
private:
bool EliminateMostlyEmptyBlocks(Function &F);
bool CanMergeBlocks(const BasicBlock *BB, const BasicBlock *DestBB) const;
@ -108,7 +100,6 @@ namespace {
bool OptimizeCallInst(CallInst *CI);
bool MoveExtToFormExtLoad(Instruction *I);
bool OptimizeExtUses(Instruction *I);
void findLoopBackEdges(const Function &F);
};
}
@ -120,16 +111,6 @@ FunctionPass *llvm::createCodeGenPreparePass(const TargetLowering *TLI) {
return new CodeGenPrepare(TLI);
}
/// findLoopBackEdges - Do a DFS walk to find loop back edges.
///
void CodeGenPrepare::findLoopBackEdges(const Function &F) {
SmallVector<std::pair<const BasicBlock*,const BasicBlock*>, 32> Edges;
FindFunctionBackedges(F, Edges);
BackEdges.insert(Edges.begin(), Edges.end());
}
bool CodeGenPrepare::runOnFunction(Function &F) {
bool EverMadeChange = false;