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Switch inliner over to use DenseMap instead of std::map for ValueMap. This

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speeds up the inliner 16%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33801 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-02-03 00:08:31 +00:00
parent 4642ca6589
commit 5e665f5594
9 changed files with 49 additions and 46 deletions
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6
lib/Transforms/Utils/InlineFunction.cpp
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@ -143,7 +143,7 @@ static void HandleInlinedInvoke(InvokeInst *II, BasicBlock *FirstNewBlock,
static void UpdateCallGraphAfterInlining(const Function *Caller,
const Function *Callee,
Function::iterator FirstNewBlock,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
CallGraph &CG) {
// Update the call graph by deleting the edge from Callee to Caller
CallGraphNode *CalleeNode = CG[Callee];
@ -156,7 +156,7 @@ static void UpdateCallGraphAfterInlining(const Function *Caller,
E = CalleeNode->end(); I != E; ++I) {
const Instruction *OrigCall = I->first.getInstruction();
std::map<const Value*, Value*>::iterator VMI = ValueMap.find(OrigCall);
DenseMap<const Value*, Value*>::iterator VMI = ValueMap.find(OrigCall);
// Only copy the edge if the call was inlined!
if (VMI != ValueMap.end() && VMI->second) {
// If the call was inlined, but then constant folded, there is no edge to
@ -208,7 +208,7 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) {
Function::iterator FirstNewBlock;
{ // Scope to destroy ValueMap after cloning.
std::map<const Value*, Value*> ValueMap;
DenseMap<const Value*, Value*> ValueMap;
// Calculate the vector of arguments to pass into the function cloner, which
// matches up the formal to the actual argument values.