From: Hal Finkel <hfinkel@anl.gov>
Date: Tue, 4 Aug 2015 06:29:12 +0000 (+0000)
Subject: [SDAG] Fix a result chain in ExpandUnalignedLoad
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=647faa9bd9a0a5baffbb7dcfc96aa36a5cc6a53a;p=oota-llvm.git

[SDAG] Fix a result chain in ExpandUnalignedLoad

On the code path in ExpandUnalignedLoad which expands an unaligned vector/fp
value in terms of a legal integer load of the same size, the ChainResult needs
to be the chain result of the integer load.

No in-tree test case is currently available.

Patch by Jan Hranac!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243956 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index a253faa9760..79efa2433ea 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -439,7 +439,7 @@ ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG,
                              ISD::ANY_EXTEND, dl, VT, Result);
 
       ValResult = Result;
-      ChainResult = Chain;
+      ChainResult = newLoad.getValue(1);
       return;
     }