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| author | Devang Patel <dpatel@apple.com> | 2010-02-18 20:53:16 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-02-18 20:53:16 +0000 |
| commit | 06fdaccc89d9abdc7e03797b25173791a2f5692f (patch) | |
| tree | 15113442c68dcae0c3957b9e1755bfbad7769f31 /include/llvm/Metadata.h | |
| parent | 16c1e79cb2b0b203aa76da4c90c16d9fd096762f (diff) | |
| download | external_llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.zip external_llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.tar.gz external_llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.tar.bz2 | |
Destroy MDNodes gracefully while deleting llvm context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96609 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Metadata.h')
| -rw-r--r-- | include/llvm/Metadata.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Metadata.h b/include/llvm/Metadata.h index 4e459bf..0369f5e 100644 --- a/include/llvm/Metadata.h +++ b/include/llvm/Metadata.h @@ -75,6 +75,7 @@ class MDNode : public Value, public FoldingSetNode { MDNode(const MDNode &); // DO NOT IMPLEMENT void operator=(const MDNode &); // DO NOT IMPLEMENT friend class MDNodeOperand; + friend class LLVMContextImpl; /// NumOperands - This many 'MDNodeOperand' items are co-allocated onto the /// end of this MDNode. @@ -106,6 +107,9 @@ class MDNode : public Value, public FoldingSetNode { // Replace each instance of F from the operand list of this 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, |