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Switch VAlueMap from std::map to DenseMap.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33863 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-04 01:35:11 +00:00
parent 0da331fe0b
commit 9f24ad79ce
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -171,7 +171,7 @@ namespace llvm {
/// ValueMap - Since we emit code for the function a basic block at a time, /// ValueMap - Since we emit code for the function a basic block at a time,
/// we must remember which virtual registers hold the values for /// we must remember which virtual registers hold the values for
/// cross-basic-block values. /// cross-basic-block values.
std::map<const Value*, unsigned> ValueMap; DenseMap<const Value*, unsigned> ValueMap;
/// StaticAllocaMap - Keep track of frame indices for fixed sized allocas in /// StaticAllocaMap - Keep track of frame indices for fixed sized allocas in
/// the entry block. This allows the allocas to be efficiently referenced /// the entry block. This allows the allocas to be efficiently referenced
@ -658,7 +658,7 @@ SDOperand SelectionDAGLowering::getValue(const Value *V) {
return DAG.getFrameIndex(SI->second, TLI.getPointerTy()); return DAG.getFrameIndex(SI->second, TLI.getPointerTy());
} }
std::map<const Value*, unsigned>::const_iterator VMI = DenseMap<const Value*, unsigned>::iterator VMI =
FuncInfo.ValueMap.find(V); FuncInfo.ValueMap.find(V);
assert(VMI != FuncInfo.ValueMap.end() && "Value not in map!"); assert(VMI != FuncInfo.ValueMap.end() && "Value not in map!");
@ -4026,7 +4026,7 @@ void SelectionDAGISel::BuildSelectionDAG(SelectionDAG &DAG, BasicBlock *LLVMBB,
// blocks are available as virtual registers. // blocks are available as virtual registers.
for (BasicBlock::iterator I = LLVMBB->begin(), E = LLVMBB->end(); I != E;++I) for (BasicBlock::iterator I = LLVMBB->begin(), E = LLVMBB->end(); I != E;++I)
if (!I->use_empty() && !isa<PHINode>(I)) { if (!I->use_empty() && !isa<PHINode>(I)) {
std::map<const Value*, unsigned>::iterator VMI =FuncInfo.ValueMap.find(I); DenseMap<const Value*, unsigned>::iterator VMI =FuncInfo.ValueMap.find(I);
if (VMI != FuncInfo.ValueMap.end()) if (VMI != FuncInfo.ValueMap.end())
UnorderedChains.push_back( UnorderedChains.push_back(
SDL.CopyValueToVirtualRegister(I, VMI->second)); SDL.CopyValueToVirtualRegister(I, VMI->second));