Xtensa part

Author: paperchalice

llvm/lib/Target/Xtensa/XtensaISelDAGToDAG.cpp

@@ -28,14 +28,8 @@ namespace {
 
 class XtensaDAGToDAGISel : public SelectionDAGISel {
 public:
-  static char ID;
-
   XtensaDAGToDAGISel(XtensaTargetMachine &TM, CodeGenOptLevel OptLevel)
-      : SelectionDAGISel(ID, TM, OptLevel) {}
-
-  StringRef getPassName() const override {
-    return "Xtensa DAG->DAG Pattern Instruction Selection";
-  }
+      : SelectionDAGISel(TM, OptLevel) {}
 
   void Select(SDNode *Node) override;
 
@@ -107,13 +101,26 @@ class XtensaDAGToDAGISel : public SelectionDAGISel {
 // Include the pieces autogenerated from the target description.
 #include "XtensaGenDAGISel.inc"
 }; // namespace
+
+class XtensaDAGToDAGISelLegacy : public SelectionDAGISelLegacy {
+public:
+  static char ID;
+
+  XtensaDAGToDAGISelLegacy(XtensaTargetMachine &TM, CodeGenOptLevel OptLevel)
+      : SelectionDAGISelLegacy(
+            ID, std::make_unique<XtensaDAGToDAGISel>(TM, OptLevel)) {}
+
+  StringRef getPassName() const override {
+    return "Xtensa DAG->DAG Pattern Instruction Selection";
+  }
+};
 } // end anonymous namespace
 
-char XtensaDAGToDAGISel::ID = 0;
+char XtensaDAGToDAGISelLegacy::ID = 0;
 
 FunctionPass *llvm::createXtensaISelDag(XtensaTargetMachine &TM,
                                         CodeGenOptLevel OptLevel) {
-  return new XtensaDAGToDAGISel(TM, OptLevel);
+  return new XtensaDAGToDAGISelLegacy(TM, OptLevel);
 }
 
 void XtensaDAGToDAGISel::Select(SDNode *Node) {