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Move some key maps from std::map to DenseMap. This improves the time to optimize Anton's testcase from 17.5s
to 15.7s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38480 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -556,6 +556,10 @@ class ValueNumberedSet {
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BitVector numbers;
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BitVector numbers;
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public:
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public:
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ValueNumberedSet() { numbers.resize(1); }
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ValueNumberedSet() { numbers.resize(1); }
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ValueNumberedSet(const ValueNumberedSet& other) {
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numbers = other.numbers;
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contents = other.contents;
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}
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typedef SmallPtrSet<Value*, 8>::iterator iterator;
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typedef SmallPtrSet<Value*, 8>::iterator iterator;
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@ -614,9 +618,9 @@ namespace {
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ValueTable VN;
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ValueTable VN;
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std::vector<Instruction*> createdExpressions;
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std::vector<Instruction*> createdExpressions;
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std::map<BasicBlock*, ValueNumberedSet> availableOut;
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DenseMap<BasicBlock*, ValueNumberedSet> availableOut;
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std::map<BasicBlock*, ValueNumberedSet> anticipatedIn;
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DenseMap<BasicBlock*, ValueNumberedSet> anticipatedIn;
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std::map<BasicBlock*, ValueNumberedSet> generatedPhis;
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DenseMap<BasicBlock*, ValueNumberedSet> generatedPhis;
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// This transformation requires dominator postdominator info
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// This transformation requires dominator postdominator info
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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@ -1175,7 +1179,7 @@ bool GVNPRE::elimination() {
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isa<ExtractElementInst>(BI) || isa<SelectInst>(BI) ||
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isa<ExtractElementInst>(BI) || isa<SelectInst>(BI) ||
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isa<CastInst>(BI) || isa<GetElementPtrInst>(BI)) {
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isa<CastInst>(BI) || isa<GetElementPtrInst>(BI)) {
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if (availableOut[BB].test(VN.lookup(BI)) && ! availableOut[BB].count(BI)) {
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if (availableOut[BB].test(VN.lookup(BI)) && !availableOut[BB].count(BI)) {
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Value *leader = find_leader(availableOut[BB], VN.lookup(BI));
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Value *leader = find_leader(availableOut[BB], VN.lookup(BI));
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if (Instruction* Instr = dyn_cast<Instruction>(leader))
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if (Instruction* Instr = dyn_cast<Instruction>(leader))
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if (Instr->getParent() != 0 && Instr != BI) {
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if (Instr->getParent() != 0 && Instr != BI) {
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