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Implement optimization for direct function call case. This dramatically

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reduces the number of function nodes created and speeds up analysis by
about 10% overall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5495 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-02-05 21:59:58 +00:00
parent bbe5ac1458
commit 923fc05b3a
13 changed files with 209 additions and 97 deletions
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18
lib/Analysis/DataStructure/DataStructureStats.cpp
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@@ -48,9 +48,7 @@ static bool isIndirectCallee(Value *V) {
}
void DSGraphStats::countCallees(const Function& F,
const DSGraph& tdGraph)
{
void DSGraphStats::countCallees(const Function& F, const DSGraph& tdGraph) {
unsigned numIndirectCalls = 0, totalNumCallees = 0;
const std::vector<DSCallSite>& callSites = tdGraph.getFunctionCalls();
@@ -58,12 +56,11 @@ void DSGraphStats::countCallees(const Function& F,
if (isIndirectCallee(callSites[i].getCallInst().getCalledValue()))
{ // This is an indirect function call
std::vector<GlobalValue*> Callees =
callSites[i].getCallee().getNode()->getGlobals();
if (Callees.size() > 0)
{
totalNumCallees += Callees.size();
++numIndirectCalls;
}
callSites[i].getCalleeNode()->getGlobals();
if (Callees.size() > 0) {
totalNumCallees += Callees.size();
++numIndirectCalls;
}
#ifndef NDEBUG
else
std::cerr << "WARNING: No callee in Function " << F.getName()
@@ -81,8 +78,7 @@ void DSGraphStats::countCallees(const Function& F,
}
bool DSGraphStats::runOnFunction(Function& F)
{
bool DSGraphStats::runOnFunction(Function& F) {
const DSGraph& tdGraph = getAnalysis<TDDataStructures>().getDSGraph(F);
countCallees(F, tdGraph);
return true;