From: Chris Lattner <sabre@nondot.org>
Date: Sun, 21 Feb 2010 07:19:06 +0000 (+0000)
Subject: handle optional in flags that aren't present.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0fb65cffa6d759f9b18177286edc29688a0a88b3;p=oota-llvm.git

handle optional in flags that aren't present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96731 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/DAGISelHeader.h b/include/llvm/CodeGen/DAGISelHeader.h
index 7e6728ea807..1e808ed217d 100644
--- a/include/llvm/CodeGen/DAGISelHeader.h
+++ b/include/llvm/CodeGen/DAGISelHeader.h
@@ -672,7 +672,7 @@ SDNode *SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable,
       // If this has chain/flag inputs, add them.
       if (EmitNodeInfo & OPFL_Chain)
         Ops.push_back(InputChain);
-      if (EmitNodeInfo & OPFL_Flag)
+      if ((EmitNodeInfo & OPFL_Flag) && InputFlag.getNode() != 0)
         Ops.push_back(InputFlag);
       
       // Create the node.