//===-- gen/llvmcompat.h - LLVM API compatibilty shims ----------*- C++ -*-===//
//
//                         LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
//
// Provides a central place to handle API changes between supported LLVM
// versions.
//
//===----------------------------------------------------------------------===//


#ifdef _MSC_VER
#pragma once
#endif

#ifndef LDC_LLVMCOMPAT_H
#define LDC_LLVMCOMPAT_H

#if !defined(LDC_LLVM_VER)
#error "Please specify value for LDC_LLVM_VER."
#endif

#if LDC_LLVM_VER >= 302
#define ADDRESS_SPACE 0
#else
#define ADDRESS_SPACE
#endif

#if LDC_LLVM_VER < 302
#define LLVM_OVERRIDE
#define llvm_move(value) (value)
#endif

#ifndef __has_feature
# define __has_feature(x) 0
#endif

#if LDC_LLVM_VER >= 305
#if __has_feature(cxx_override_control) \
    || (defined(_MSC_VER) && _MSC_VER >= 1700)
#define LLVM_OVERRIDE override
#else
#define LLVM_OVERRIDE
#endif

#if (__has_feature(cxx_rvalue_references)   \
     || defined(__GXX_EXPERIMENTAL_CXX0X__) \
     || (defined(_MSC_VER) && _MSC_VER >= 1600))
#define LLVM_HAS_RVALUE_REFERENCES 1
#else
#define LLVM_HAS_RVALUE_REFERENCES 0
#endif

#if LLVM_HAS_RVALUE_REFERENCES
#define llvm_move(value) (::std::move(value))
#else
#define llvm_move(value) (value)
#endif

#endif

#endif