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Remove some more unused code that I missed.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126826 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2011-03-02 03:48:29 +00:00
parent 56e3793acf
commit 3ccfbc2012
1 changed files with 0 additions and 19 deletions
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19
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -71,10 +71,6 @@ namespace {
/// update it. /// update it.
BasicBlock::iterator CurInstIterator; 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 // 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 // allows us to avoid inserting duplicate code for blocks with multiple
// load/stores of the same address. // load/stores of the same address.
@ -93,10 +89,6 @@ namespace {
AU.addPreserved<ProfileInfo>(); AU.addPreserved<ProfileInfo>();
} }
virtual void releaseMemory() {
BackEdges.clear();
}
private: private:
bool EliminateMostlyEmptyBlocks(Function &F); bool EliminateMostlyEmptyBlocks(Function &F);
bool CanMergeBlocks(const BasicBlock *BB, const BasicBlock *DestBB) const; bool CanMergeBlocks(const BasicBlock *BB, const BasicBlock *DestBB) const;
@ -108,7 +100,6 @@ namespace {
bool OptimizeCallInst(CallInst *CI); bool OptimizeCallInst(CallInst *CI);
bool MoveExtToFormExtLoad(Instruction *I); bool MoveExtToFormExtLoad(Instruction *I);
bool OptimizeExtUses(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); 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 CodeGenPrepare::runOnFunction(Function &F) {
bool EverMadeChange = false; bool EverMadeChange = false;