From 43e4754817cfdd0e48e3dbe005211f1df4875f1f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 8 Mar 2010 18:36:19 +0000
Subject: [PATCH] Node arguments to type casts can have names too.  This code
 needs to be majorly refactored, but this spot bugfix allows things like:

 def vmrghw_shuffle : PatFrag<(ops node:$lhs, node:$rhs),
                             (vector_shuffle (v4i32 node:$lhs), node:$rhs), [{
...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97952 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/CodeGenDAGPatterns.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index ce737bf3d34..e793333eef5 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -1238,6 +1238,14 @@ TreePatternNode *TreePattern::ParseTreePattern(DagInit *Dag) {
                                 std::vector<std::pair<Init*, std::string> >()));
         return ParseTreePattern(Dag);
       }
+      
+      // Input argument?
+      if (R->getName() == "node") {
+        if (Dag->getArgName(0).empty())
+          error("'node' argument requires a name to match with operand list");
+        Args.push_back(Dag->getArgName(0));
+      }
+      
       New = new TreePatternNode(DI);
     } else if (DagInit *DI = dynamic_cast<DagInit*>(Arg)) {
       New = ParseTreePattern(DI);