commit febf71db2db61b8c7bac2ddffba8f1d5d1a95cb9
author Dan Gohman <gohman@apple.com> Fri Jan 16 21:30:55 2009 +0000
committer Dan Gohman <gohman@apple.com> Fri Jan 16 21:30:55 2009 +0000
tree acaea8ddb38f832f9a997c1b165cbc5d66db7438
parent df874eed5695420c71bf55cc6a11725631ec2b88

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

diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index ace1d76..9f028ed 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -925,7 +925,8 @@
       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;