| //===- subzero/src/IceConverter.h - Converts LLVM to ICE --------*- C++ -*-===// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief Declares the LLVM to ICE converter. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUBZERO_SRC_ICECONVERTER_H |
| #define SUBZERO_SRC_ICECONVERTER_H |
| |
| #include "IceDefs.h" |
| #include "IceTranslator.h" |
| |
| namespace llvm { |
| class GlobalValue; |
| class Module; |
| } |
| |
| namespace Ice { |
| |
| class Converter : public Translator { |
| Converter() = delete; |
| Converter(const Converter &) = delete; |
| Converter &operator=(const Converter &) = delete; |
| |
| public: |
| Converter(llvm::Module *Mod, GlobalContext *Ctx) |
| : Translator(Ctx), Mod(Mod), |
| GlobalDeclarationsPool(new VariableDeclarationList()) {} |
| |
| ~Converter() override = default; |
| |
| /// Converts the LLVM Module to ICE. Sets exit status to false if successful, |
| /// true otherwise. |
| void convertToIce(); |
| |
| llvm::Module *getModule() const { return Mod; } |
| |
| /// Returns the global declaration associated with the corresponding global |
| /// value V. If no such global address, generates fatal error. |
| GlobalDeclaration *getGlobalDeclaration(const llvm::GlobalValue *V); |
| |
| private: |
| llvm::Module *Mod; |
| using GlobalDeclarationMapType = |
| std::map<const llvm::GlobalValue *, GlobalDeclaration *>; |
| GlobalDeclarationMapType GlobalDeclarationMap; |
| |
| std::unique_ptr<VariableDeclarationList> GlobalDeclarationsPool; |
| |
| /// Walks module and generates names for unnamed globals using prefix |
| /// getFlags().DefaultGlobalPrefix, if the prefix is non-empty. |
| void nameUnnamedGlobalVariables(llvm::Module *Mod); |
| |
| /// Walks module and generates names for unnamed functions using prefix |
| /// getFlags().DefaultFunctionPrefix, if the prefix is non-empty. |
| void nameUnnamedFunctions(llvm::Module *Mod); |
| |
| /// Converts functions to ICE, and then machine code. |
| void convertFunctions(); |
| |
| /// Converts globals to ICE, and then machine code. |
| void convertGlobals(llvm::Module *Mod); |
| |
| /// Installs global declarations into GlobalDeclarationMap. |
| void installGlobalDeclarations(llvm::Module *Mod); |
| }; |
| |
| } // end of namespace ICE. |
| |
| #endif // SUBZERO_SRC_ICECONVERTER_H |