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Move more code back to 2.5 APIs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77635 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-07-30 23:03:37 +00:00
parent 124e6eb09d
commit 9e9a0d5fc2
47 changed files with 188 additions and 236 deletions
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7
lib/VMCore/Instructions.cpp
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@@ -187,7 +187,7 @@ Value *PHINode::removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty) {
// If the PHI node is dead, because it has zero entries, nuke it now.
if (NumOps == 2 && DeletePHIIfEmpty) {
// If anyone is using this PHI, make them use a dummy value instead...
replaceAllUsesWith(getType()->getContext().getUndef(getType()));
replaceAllUsesWith(UndefValue::get(getType()));
eraseFromParent();
}
return Removed;
@@ -231,8 +231,7 @@ Value *PHINode::hasConstantValue(bool AllowNonDominatingInstruction) const {
if (getIncomingValue(0) != this) // not X = phi X
return getIncomingValue(0);
else
return
getType()->getContext().getUndef(getType()); // Self cycle is dead.
return UndefValue::get(getType()); // Self cycle is dead.
}
// Otherwise if all of the incoming values are the same for the PHI, replace
@@ -254,7 +253,7 @@ Value *PHINode::hasConstantValue(bool AllowNonDominatingInstruction) const {
// that only has entries for itself. In this case, there is no entry into the
// loop, so kill the PHI.
//
if (InVal == 0) InVal = getType()->getContext().getUndef(getType());
if (InVal == 0) InVal = UndefValue::get(getType());
// If we have a PHI node like phi(X, undef, X), where X is defined by some
// instruction, we cannot always return X as the result of the PHI node. Only