Initial Subzero WASM prototype.

src/IceTranslator.h

 //===- subzero/src/IceTranslator.h - ICE to machine code --------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 56 matching lines @@
 
   uint32_t getNextSequenceNumber() { return NextSequenceNumber++; }
 
 protected:
   GlobalContext *Ctx;
   uint32_t NextSequenceNumber;
   /// ErrorCode of the translation.
   ErrorCode ErrorStatus;
 };
 
+class CfgOptWorkItem final : public OptWorkItem {
+  CfgOptWorkItem() = delete;
+  CfgOptWorkItem(const CfgOptWorkItem &) = delete;
+  CfgOptWorkItem &operator=(const CfgOptWorkItem &) = delete;
+
+public:
+  CfgOptWorkItem(std::unique_ptr<Cfg> Func) : Func(std::move(Func)) {}
+  std::unique_ptr<Cfg> getParsedCfg() override { return std::move(Func); }
+  ~CfgOptWorkItem() override = default;
+
+private:
+  std::unique_ptr<Ice::Cfg> Func;
+};
+
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETRANSLATOR_H