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The SSAUpdater should avoid recursive traversals of the CFG, since that may

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blow out the stack for really big functions.  Start by fixing an easy case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100126 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
2010-04-01 18:46:59 +00:00
parent 94107ba9ce
commit e8b64281ce
2 changed files with 24 additions and 16 deletions
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2
include/llvm/Transforms/Utils/SSAUpdater.h
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@ -111,7 +111,7 @@ private:
void FindExistingPHI(BasicBlock *BB, BBInfo *Info);
bool CheckIfPHIMatches(BasicBlock *BB, BBInfo *Info, Value *Val);
void RecordMatchingPHI(BasicBlock *BB, BBInfo *Info, PHINode *PHI);
void ClearPHITags(BasicBlock *BB, BBInfo *Info, PHINode *PHI);
void ClearPHITags(PHINode *PHI);
void operator=(const SSAUpdater&); // DO NOT IMPLEMENT
SSAUpdater(const SSAUpdater&); // DO NOT IMPLEMENT