diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 18f6997ef83..d13ccc26371 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -3117,7 +3117,16 @@ void SelectionDAGISel::SelectCodeCommon(SDNode *NodeToMatch, continue; } case OPC_RecordMemRef: - MatchedMemRefs.push_back(cast<MemSDNode>(N)->getMemOperand()); + if (auto *MN = dyn_cast<MemSDNode>(N)) + MatchedMemRefs.push_back(MN->getMemOperand()); + else { + DEBUG( + dbgs() << "Expected MemSDNode "; + N->dump(CurDAG); + dbgs() << '\n' + ); + } + continue; case OPC_CaptureGlueInput: @@ -3563,7 +3572,7 @@ void SelectionDAGISel::SelectCodeCommon(SDNode *NodeToMatch, Ops.push_back(InputGlue); // Create the node. - SDNode *Res = nullptr; + MachineSDNode *Res = nullptr; bool IsMorphNodeTo = Opcode == OPC_MorphNodeTo || (Opcode >= OPC_MorphNodeTo0 && Opcode <= OPC_MorphNodeTo2); if (!IsMorphNodeTo) { @@ -3589,7 +3598,8 @@ void SelectionDAGISel::SelectCodeCommon(SDNode *NodeToMatch, "Chain node replaced during MorphNode"); Chain.erase(std::remove(Chain.begin(), Chain.end(), N), Chain.end()); }); - Res = MorphNode(NodeToMatch, TargetOpc, VTList, Ops, EmitNodeInfo); + Res = cast<MachineSDNode>(MorphNode(NodeToMatch, TargetOpc, VTList, + Ops, EmitNodeInfo)); } // If the node had chain/glue results, update our notion of the current @@ -3645,13 +3655,19 @@ void SelectionDAGISel::SelectCodeCommon(SDNode *NodeToMatch, } } - cast<MachineSDNode>(Res) - ->setMemRefs(MemRefs, MemRefs + NumMemRefs); + Res->setMemRefs(MemRefs, MemRefs + NumMemRefs); } - DEBUG(dbgs() << " " - << (IsMorphNodeTo ? "Morphed" : "Created") - << " node: "; Res->dump(CurDAG); dbgs() << "\n"); + DEBUG( + if (!MatchedMemRefs.empty() && Res->memoperands_empty()) + dbgs() << " Dropping mem operands\n"; + dbgs() << " " + << (IsMorphNodeTo ? "Morphed" : "Created") + << " node: "; + Res->dump(CurDAG); + + dbgs() << '\n'; + ); // If this was a MorphNodeTo then we're completely done! if (IsMorphNodeTo) { |
