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//===- 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.
#include "IceDefs.h"
#include "IceTranslator.h"
namespace llvm {
class GlobalValue;
class Module;
} // namespace llvm
namespace Ice {
class Converter : public Translator {
Converter() = delete;
Converter(const Converter &) = delete;
Converter &operator=(const Converter &) = delete;
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);
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);
} // namespace Ice