Hack around extracts that aren't easy to process.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109043 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/FastISelEmitter.cpp b/utils/TableGen/FastISelEmitter.cpp
index 08fc139..14d6021 100644
--- a/utils/TableGen/FastISelEmitter.cpp
+++ b/utils/TableGen/FastISelEmitter.cpp
@@ -287,6 +287,10 @@
if (!DstRC)
continue;
} else {
+ // If this isn't a leaf, then continue since the register classes are
+ // a bit too complicated for now.
+ if (!Dst->getChild(1)->isLeaf()) continue;
+
DefInit *SR = dynamic_cast<DefInit*>(Dst->getChild(1)->getLeafValue());
if (SR)
SubRegNo = getQualifiedName(SR->getDef());