commit 5d0233bea22a103b5ecb5a9b5453f1206f2defe0
author Dylan McKay <dylanmckay34@gmail.com> Sat Dec 10 10:16:13 2016 +0000
committer Dylan McKay <dylanmckay34@gmail.com> Sat Dec 10 10:16:13 2016 +0000
tree 49aa4e50293a75d02c4ae233141126d8101efdcd
parent 85588fa2b0cd2a41a7c6ce58f989706bd470d04c

[AVR] Support stores to undefined pointers

This would previously trigger an assertion error in AVRISelDAGToDAG.

llvm-svn: 289321

llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp

diff --git a/llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp b/llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp
index 098ee61b..9ef9874 100644
--- a/llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp
+++ b/llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp
@@ -328,7 +328,8 @@
   SDValue BasePtr = ST->getBasePtr();
 
   // Early exit when the base pointer is a frame index node or a constant.
-  if (isa<FrameIndexSDNode>(BasePtr) || isa<ConstantSDNode>(BasePtr)) {
+  if (isa<FrameIndexSDNode>(BasePtr) || isa<ConstantSDNode>(BasePtr) ||
+      BasePtr.isUndef()) {
     return false;
   }