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(Almost) always call reserveOperandSpace() on newly created PHINodes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2011-03-30 11:19:20 +00:00
parent 8be7d8b43c
commit d8b4fb4aab
26 changed files with 54 additions and 21 deletions
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lib/Transforms/Utils/BasicBlockUtils.cpp
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@ -448,6 +448,7 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
// Create the new PHI node, insert it into NewBB at the end of the block
PHINode *NewPHI =
PHINode::Create(PN->getType(), PN->getName()+".ph", BI);
NewPHI->reserveOperandSpace(NumPreds);
if (AA) AA->copyValue(PN, NewPHI);
// Move all of the PHI values for 'Preds' to the new PHI.