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MDNodes that refer to an instruction are local to a function; in that case, explicitly keep track of the function they are local to

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91497 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2009-12-16 02:52:09 +00:00
parent bbc71b2904
commit 57c0f20601
2 changed files with 16 additions and 5 deletions
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10
include/llvm/Metadata.h
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@ -111,13 +111,16 @@ class MDNode : public MetadataBase, public FoldingSetNode {
ElementVH *Node;
unsigned NodeSize;
Function *LocalFunction;
protected:
explicit MDNode(LLVMContext &C, Value *const *Vals, unsigned NumVals);
explicit MDNode(LLVMContext &C, Value *const *Vals, unsigned NumVals,
Function *LocalFunction = NULL);
public:
// Constructors and destructors.
static MDNode *get(LLVMContext &Context,
Value *const *Vals, unsigned NumVals);
Value *const *Vals, unsigned NumVals,
Function *LocalFunction = NULL);
/// ~MDNode - Destroy MDNode.
~MDNode();
@ -130,6 +133,9 @@ public:
/// getNumElements - Return number of MDNode elements.
unsigned getNumElements() const { return NodeSize; }
/// isFunctionLocal - Return whether MDNode is local to a function.
bool isFunctionLocal() const { return LocalFunction; }
/// Profile - calculate a unique identifier for this MDNode to collapse
/// duplicates