From da5e35aa5fc9da58a60e1513a3b709431160d32d Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Thu, 29 Jan 2009 23:19:43 +0000
Subject: [PATCH] Explain why this is here.

llvm-svn: 63342
---
 utils/TableGen/DAGISelEmitter.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index ace15e5180d..773b06aa394 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -1060,6 +1060,7 @@ public:
       std::string Code = "Opc" + utostr(OpcNo);
 
       if (!isRoot || (InputHasChain && !NodeHasChain))
+        // For call to "getTargetNode()".
         Code += ", N.getDebugLoc()";
 
       emitOpcode(II.Namespace + "::" + II.TheDef->getName());