From febf71db2db61b8c7bac2ddffba8f1d5d1a95cb9 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 16 Jan 2009 21:30:55 +0000
Subject: [PATCH] Avoid triggering an assertion failure when an instruction
 pattern is a leaf node. Patch by Brandner!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62361 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/DAGISelEmitter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index ace1d7646f5..9f028ed4956 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -925,7 +925,8 @@ public:
       TreePatternNode *InstPatNode =
         isRoot ? (InstPat ? InstPat->getTree(0) : Pattern)
                : (InstPat ? InstPat->getTree(0) : NULL);
-      if (InstPatNode && InstPatNode->getOperator()->getName() == "set") {
+      if (InstPatNode && !InstPatNode->isLeaf() &&
+          InstPatNode->getOperator()->getName() == "set") {
         InstPatNode = InstPatNode->getChild(InstPatNode->getNumChildren()-1);
       }
       bool IsVariadic = isRoot && II.isVariadic;