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Reapply r97788 to free MDNodes when the LLVMContext is destroyed. It

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bootstraps llvm-gcc this time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97918 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2010-03-07 18:46:57 +00:00
parent 9467f0e3bd
commit 92ce42f9fc
3 changed files with 26 additions and 22 deletions
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7
include/llvm/Metadata.h
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@@ -108,9 +108,6 @@ class MDNode : public Value, public FoldingSetNode {
/// node with T.
void replaceOperand(MDNodeOperand *Op, Value *NewVal);
~MDNode();
/// replaceAllOperandsWithNull - This is used while destroying llvm context to
/// gracefully delete all nodes. This method replaces all operands with null.
void replaceAllOperandsWithNull();
protected:
explicit MDNode(LLVMContext &C, Value *const *Vals, unsigned NumVals,
@@ -166,9 +163,7 @@ private:
bool isNotUniqued() const {
return (getSubclassDataFromValue() & NotUniquedBit) != 0;
}
void setIsNotUniqued() {
setValueSubclassData(getSubclassDataFromValue() | NotUniquedBit);
}
void setIsNotUniqued();
// Shadow Value::setValueSubclassData with a private forwarding method so that
// any future subclasses cannot accidentally use it.