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Add isPredecessor to check whether a node is another's predecessor.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31406 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-11-03 03:02:18 +00:00
parent bdd371c0ed
commit 7ceebb437e
1 changed files with 3 additions and 0 deletions
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include/llvm/CodeGen/SelectionDAGNodes.h
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@ -815,6 +815,9 @@ public:
// isOperand - Return true if this node is an operand of N. // isOperand - Return true if this node is an operand of N.
bool isOperand(SDNode *N) const; bool isOperand(SDNode *N) const;
// isPredecessor - Return true if this node is a predecessor of N.
bool isPredecessor(SDNode *N) const;
/// getNumOperands - Return the number of values used by this operation. /// getNumOperands - Return the number of values used by this operation.
/// ///
unsigned getNumOperands() const { return NumOperands; } unsigned getNumOperands() const { return NumOperands; }