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Add a doxygen comment for SrcValueSDNode, to make its purpose

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clear and to clarify how it differs from MemOperandSDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47015 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-02-12 18:52:52 +00:00
parent 2be680481b
commit 14471be9ab
1 changed files with 8 additions and 0 deletions
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8
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -1396,6 +1396,14 @@ public:
}
};
/// SrcValueSDNode - An SDNode that holds an arbitrary LLVM IR Value. This is
/// used when the SelectionDAG needs to make a simple reference to something
/// in the LLVM IR representation.
///
/// Note that this is not used for carrying alias information; that is done
/// with MemOperandSDNode, which includes a Value which is required to be a
/// pointer, and several other fields specific to memory references.
///
class SrcValueSDNode : public SDNode {
const Value *V;
virtual void ANCHOR(); // Out-of-line virtual method to give class a home.