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Insert new instructions in AliasSet.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37390 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-06-01 22:15:31 +00:00
parent aa7d3351f0
commit e7ae1a9dee
1 changed files with 5 additions and 1 deletions
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6
lib/Transforms/Scalar/LICM.cpp
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@ -476,9 +476,11 @@ void LICM::sink(Instruction &I) {
// Firstly, we create a stack object to hold the value...
AllocaInst *AI = 0;
if (I.getType() != Type::VoidTy)
if (I.getType() != Type::VoidTy) {
AI = new AllocaInst(I.getType(), 0, I.getName(),
I.getParent()->getParent()->getEntryBlock().begin());
CurAST->add(AI);
}
// Secondly, insert load instructions for each use of the instruction
// outside of the loop.
@ -499,6 +501,7 @@ void LICM::sink(Instruction &I) {
// Insert a new load instruction right before the terminator in
// the predecessor block.
PredVal = new LoadInst(AI, "", Pred->getTerminator());
CurAST->add(cast<LoadInst>(PredVal));
}
UPN->setIncomingValue(i, PredVal);
@ -507,6 +510,7 @@ void LICM::sink(Instruction &I) {
} else {
LoadInst *L = new LoadInst(AI, "", U);
U->replaceUsesOfWith(&I, L);
CurAST->add(L);
}
}