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Fix http://llvm.org/PR5160, to let CallbackVHs modify other ValueHandles on the

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same Value without breaking things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83861 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2009-10-12 17:43:32 +00:00
parent 4ae7972f1d
commit 6a9291ad55
3 changed files with 134 additions and 25 deletions
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9
include/llvm/Support/ValueHandle.h
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@@ -111,10 +111,15 @@ private:
HandleBaseKind getKind() const { return PrevPair.getInt(); }
void setPrevPtr(ValueHandleBase **Ptr) { PrevPair.setPointer(Ptr); }
/// AddToExistingUseList - Add this ValueHandle to the use list for VP,
/// where List is known to point into the existing use list.
/// AddToExistingUseList - Add this ValueHandle to the use list for VP, where
/// List is the address of either the head of the list or a Next node within
/// the existing use list.
void AddToExistingUseList(ValueHandleBase **List);
/// AddToExistingUseListAfter - Add this ValueHandle to the use list after
/// Node.
void AddToExistingUseListAfter(ValueHandleBase *Node);
/// AddToUseList - Add this ValueHandle to the use list for VP.
void AddToUseList();
/// RemoveFromUseList - Remove this ValueHandle from its current use list.