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[LCG] Don't lookup the child SCC twice. Spotted this by inspection, and

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no functionality changed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207750 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-05-01 12:16:31 +00:00
parent b8f462501b
commit 54bf6fd4a5
1 changed files with 2 additions and 2 deletions
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4
lib/Analysis/LazyCallGraph.cpp
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@ -463,9 +463,9 @@ LazyCallGraph::SCC *LazyCallGraph::formSCC(Node *RootN,
bool IsLeafSCC = true;
for (Node *SCCN : NewSCC->Nodes)
for (Node &SCCChildN : *SCCN) {
if (SCCMap.lookup(&SCCChildN) == NewSCC)
continue;
SCC &ChildSCC = *SCCMap.lookup(&SCCChildN);
if (&ChildSCC == NewSCC)
continue;
ChildSCC.ParentSCCs.insert(NewSCC);
IsLeafSCC = false;
}