//===-- gen/functions.h - D function codegen --------------------*- C++ -*-===//
//
//                         LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
//
// Code generation for D function types and bodies.
//
//===----------------------------------------------------------------------===//

#ifndef LDC_GEN_FUNCTIONS_H
#define LDC_GEN_FUNCTIONS_H

#include "mars.h"

class DValue;
class Expression;
class FuncDeclaration;
struct IRAsmBlock;
struct IrFuncTy;
class Parameter;
class Type;
namespace llvm {
class FunctionType;
}

llvm::FunctionType *DtoFunctionType(Type *t, IrFuncTy &irFty, Type *thistype,
                                    Type *nesttype, bool isMain = false,
                                    bool isCtor = false,
                                    bool isIntrinsic = false,
                                    bool hasSel = false);
llvm::FunctionType *DtoFunctionType(FuncDeclaration *fdecl);

void DtoResolveFunction(FuncDeclaration *fdecl);
void DtoDeclareFunction(FuncDeclaration *fdecl);
void DtoDefineFunction(FuncDeclaration *fd, bool linkageAvailableExternally = false);

void DtoDefineNakedFunction(FuncDeclaration *fd);
void emitABIReturnAsmStmt(IRAsmBlock *asmblock, Loc &loc,
                          FuncDeclaration *fdecl);

DValue *DtoArgument(Parameter *fnarg, Expression *argexp);

// Search for a druntime array op
int isDruntimeArrayOp(FuncDeclaration *fd);

#endif