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introduce a new CallGraphSCC class, and pass it around

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to CallGraphSCCPass's instead of passing around a
std::vector<CallGraphNode*>.  No functionality change,
but now we have a much tidier interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101558 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-16 22:42:17 +00:00
parent c7b65914e0
commit 2decb22222
10 changed files with 132 additions and 86 deletions
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10
lib/Transforms/IPO/StructRetPromotion.cpp
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@ -48,7 +48,7 @@ namespace {
CallGraphSCCPass::getAnalysisUsage(AU);
}
virtual bool runOnSCC(std::vector<CallGraphNode *> &SCC);
virtual bool runOnSCC(CallGraphSCC &SCC);
static char ID; // Pass identification, replacement for typeid
SRETPromotion() : CallGraphSCCPass(&ID) {}
@ -69,12 +69,12 @@ Pass *llvm::createStructRetPromotionPass() {
return new SRETPromotion();
}
bool SRETPromotion::runOnSCC(std::vector<CallGraphNode *> &SCC) {
bool SRETPromotion::runOnSCC(CallGraphSCC &SCC) {
bool Changed = false;
for (unsigned i = 0, e = SCC.size(); i != e; ++i)
if (CallGraphNode *NewNode = PromoteReturn(SCC[i])) {
SCC[i] = NewNode;
for (CallGraphSCC::iterator I = SCC.begin(), E = SCC.end(); I != E; ++I)
if (CallGraphNode *NewNode = PromoteReturn(*I)) {
SCC.ReplaceNode(*I, NewNode);
Changed = true;
}