AMDGPU: Preserve MMO in adjustWritemask

Follow up to r319705. Currently the MMO is
produced after this in the custom inserter,
so this doesn't change anything yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320186 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIISelLowering.cpp b/lib/Target/AMDGPU/SIISelLowering.cpp
index 18dc0fb430b4838a95abe05c8526b0576c28226c..9f9f0a9007faa360e56deab492ed3bbeaf00eeb1 100644 (file)
--- a/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -6656,6 +6656,8 @@ SDNode *SITargetLowering::adjustWritemask(MachineSDNode *&Node,
 
   MachineSDNode *NewNode = DAG.getMachineNode(NewOpcode, SDLoc(Node),
                                               NewVTList, Ops);
+  NewNode->setMemRefs(Node->memoperands_begin(), Node->memoperands_end());
+
   // Update chain.
   DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(NewNode, 1));