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Use DenseMap for pointer->pointer maps.

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llvm-svn: 33897
This commit is contained in:
Owen Anderson 2007-02-05 02:39:47 +00:00
parent bc1c8e70ac
commit 0fbb2d629f
1 changed files with 4 additions and 4 deletions
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8
lib/Transforms/Utils/LCSSA.cpp
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@ -33,13 +33,13 @@
#include "llvm/Pass.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Support/CFG.h"
#include <algorithm>
#include <map>
using namespace llvm;
STATISTIC(NumLCSSA, "Number of live out of a loop variables");
@ -71,7 +71,7 @@ namespace {
SetVector<Instruction*> getLoopValuesUsedOutsideLoop(Loop *L);
Value *GetValueForBlock(DominatorTree::Node *BB, Instruction *OrigInst,
std::map<DominatorTree::Node*, Value*> &Phis);
DenseMap<DominatorTree::Node*, Value*> &Phis);
/// inLoop - returns true if the given block is within the current loop
const bool inLoop(BasicBlock* B) {
@ -139,7 +139,7 @@ void LCSSA::ProcessInstruction(Instruction *Instr,
++NumLCSSA; // We are applying the transformation
// Keep track of the blocks that have the value available already.
std::map<DominatorTree::Node*, Value*> Phis;
DenseMap<DominatorTree::Node*, Value*> Phis;
DominatorTree::Node *InstrNode = DT->getNode(Instr->getParent());
@ -226,7 +226,7 @@ SetVector<Instruction*> LCSSA::getLoopValuesUsedOutsideLoop(Loop *L) {
/// GetValueForBlock - Get the value to use within the specified basic block.
/// available values are in Phis.
Value *LCSSA::GetValueForBlock(DominatorTree::Node *BB, Instruction *OrigInst,
std::map<DominatorTree::Node*, Value*> &Phis) {
DenseMap<DominatorTree::Node*, Value*> &Phis) {
// If there is no dominator info for this BB, it is unreachable.
if (BB == 0)
return UndefValue::get(OrigInst->getType());