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add ability for clients of SSAUpdater to find out about the

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PHI nodes inserted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-10-10 23:15:24 +00:00
parent aa6aeb91b4
commit f5a1fb6b24
2 changed files with 19 additions and 2 deletions
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10
lib/Transforms/Utils/SSAUpdater.cpp
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@ -33,7 +33,8 @@ static IncomingPredInfoTy &getIncomingPredInfo(void *IPI) {
}
SSAUpdater::SSAUpdater() : AV(0), PrototypeValue(0), IPI(0) {}
SSAUpdater::SSAUpdater(SmallVectorImpl<PHINode*> *NewPHI)
: AV(0), PrototypeValue(0), IPI(0), InsertedPHIs(NewPHI) {}
SSAUpdater::~SSAUpdater() {
delete &getAvailableVals(AV);
@ -158,6 +159,10 @@ Value *SSAUpdater::GetValueInMiddleOfBlock(BasicBlock *BB) {
InsertedPHI->eraseFromParent();
return ConstVal;
}
// If the client wants to know about all new instructions, tell it.
if (InsertedPHIs) InsertedPHIs->push_back(InsertedPHI);
DEBUG(errs() << " Inserted PHI: " << *InsertedPHI << "\n");
return InsertedPHI;
}
@ -313,6 +318,9 @@ Value *SSAUpdater::GetValueAtEndOfBlockInternal(BasicBlock *BB) {
InsertedVal = ConstVal;
} else {
DEBUG(errs() << " Inserted PHI: " << *InsertedPHI << "\n");
// If the client wants to know about all new instructions, tell it.
if (InsertedPHIs) InsertedPHIs->push_back(InsertedPHI);
}
return InsertedVal;