llvm-project/clang/CodeGen/CodeGenModule.h

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2.1 KiB
C++

//===--- CodeGenModule.h - Per-Module state for LLVM CodeGen --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is the internal per-translation-unit state used for llvm translation.
//
//===----------------------------------------------------------------------===//
#ifndef CODEGEN_CODEGENMODULE_H
#define CODEGEN_CODEGENMODULE_H
#include "CodeGenTypes.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
namespace llvm {
class Module;
class Constant;
class Function;
}
namespace clang {
class ASTContext;
class FunctionDecl;
class Decl;
class FileVarDecl;
namespace CodeGen {
/// CodeGenModule - This class organizes the cross-module state that is used
/// while generating LLVM code.
class CodeGenModule {
ASTContext &Context;
llvm::Module &TheModule;
CodeGenTypes Types;
llvm::Function *MemCpyFn;
llvm::DenseMap<const Decl*, llvm::Constant*> GlobalDeclMap;
llvm::StringMap<llvm::Constant*> CFConstantStringMap;
llvm::Constant *CFConstantStringClassRef;
std::vector<llvm::Function *> BuiltinFunctions;
public:
CodeGenModule(ASTContext &C, llvm::Module &M);
ASTContext &getContext() const { return Context; }
llvm::Module &getModule() const { return TheModule; }
CodeGenTypes &getTypes() { return Types; }
llvm::Constant *GetAddrOfGlobalDecl(const Decl *D);
/// getBuiltinLibFunction - Given a builtin id for a function like
/// "__builtin_fabsf", return a Function* for "fabsf".
///
llvm::Function *getBuiltinLibFunction(unsigned BuiltinID);
llvm::Constant *GetAddrOfConstantCFString(const std::string& str);
llvm::Function *getMemCpyFn();
void EmitFunction(const FunctionDecl *FD);
void EmitGlobalVar(const FileVarDecl *D);
void EmitGlobalVarDeclarator(const FileVarDecl *D);
void PrintStats() {}
};
} // end namespace CodeGen
} // end namespace clang
#endif