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Use DenseMap for pointer->pointer maps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33897 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -33,13 +33,13 @@
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#include "llvm/Pass.h"
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#include "llvm/Function.h"
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#include "llvm/Instructions.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SetVector.h"
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#include "llvm/ADT/Statistic.h"
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#include "llvm/Analysis/Dominators.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Support/CFG.h"
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#include <algorithm>
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#include <map>
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using namespace llvm;
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STATISTIC(NumLCSSA, "Number of live out of a loop variables");
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@ -71,7 +71,7 @@ namespace {
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SetVector<Instruction*> getLoopValuesUsedOutsideLoop(Loop *L);
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Value *GetValueForBlock(DominatorTree::Node *BB, Instruction *OrigInst,
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std::map<DominatorTree::Node*, Value*> &Phis);
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DenseMap<DominatorTree::Node*, Value*> &Phis);
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/// inLoop - returns true if the given block is within the current loop
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const bool inLoop(BasicBlock* B) {
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@ -139,7 +139,7 @@ void LCSSA::ProcessInstruction(Instruction *Instr,
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++NumLCSSA; // We are applying the transformation
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// Keep track of the blocks that have the value available already.
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std::map<DominatorTree::Node*, Value*> Phis;
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DenseMap<DominatorTree::Node*, Value*> Phis;
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DominatorTree::Node *InstrNode = DT->getNode(Instr->getParent());
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@ -226,7 +226,7 @@ SetVector<Instruction*> LCSSA::getLoopValuesUsedOutsideLoop(Loop *L) {
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/// GetValueForBlock - Get the value to use within the specified basic block.
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/// available values are in Phis.
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Value *LCSSA::GetValueForBlock(DominatorTree::Node *BB, Instruction *OrigInst,
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std::map<DominatorTree::Node*, Value*> &Phis) {
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DenseMap<DominatorTree::Node*, Value*> &Phis) {
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// If there is no dominator info for this BB, it is unreachable.
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if (BB == 0)
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return UndefValue::get(OrigInst->getType());
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