From fe70c79e6714316b465c4f005dbeb7ac6549ea04 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 3 Nov 2006 03:02:18 +0000
Subject: [PATCH] Add isPredecessor to check whether a node is another's
 predecessor.

llvm-svn: 31406
---
 llvm/include/llvm/CodeGen/SelectionDAGNodes.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index c3e6dee23288..9f56e177b886 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -815,6 +815,9 @@ public:
   // isOperand - Return true if this node is an operand of N.
   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.
   ///
   unsigned getNumOperands() const { return NumOperands; }