From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 27 Jul 2006 06:39:06 +0000 (+0000)
Subject: AssignNodeIds assign each node in the DAG an unique id.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=091cba1b9132759cc4ef0e9e528f244c2024c445;p=oota-llvm.git

AssignNodeIds assign each node in the DAG an unique id.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29337 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 07b7c88829e..77904bf8287 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2698,6 +2698,18 @@ void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
 }
 
 
+/// AssignNodeIds - Assign a unique node id for each node in the DAG. It returns
+/// the maximum id.
+int SelectionDAG::AssignNodeIds() {
+  int Id = 0;
+  for (allnodes_iterator I = allnodes_begin(), E = allnodes_end(); I != E; ++I){
+    SDNode *N = I;
+    N->setNodeId(Id++);
+  }
+  return Id;
+}
+
+
 //===----------------------------------------------------------------------===//
 //                              SDNode Class
 //===----------------------------------------------------------------------===//