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If PrototypeValue is erased in the middle of using the SSAUpdator

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then the SSAUpdator may access freed memory.  Instead, simply pass
in the type and name explicitly, which is all that was used anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2010-09-01 10:29:33 +00:00
parent 248e7592b5
commit 4d588bceb0
7 changed files with 25 additions and 25 deletions
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2
lib/Transforms/Utils/LCSSA.cpp
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@@ -206,7 +206,7 @@ bool LCSSA::ProcessInstruction(Instruction *Inst,
DomTreeNode *DomNode = DT->getNode(DomBB);
SSAUpdater SSAUpdate;
SSAUpdate.Initialize(Inst);
SSAUpdate.Initialize(Inst->getType(), Inst->getName());
// Insert the LCSSA phi's into all of the exit blocks dominated by the
// value, and add them to the Phi's map.