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68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
//===-- gen/llvmcompat.h - LLVM API compatibilty shims ----------*- C++ -*-===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Provides a central place to handle API changes between supported LLVM
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// versions.
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//
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//===----------------------------------------------------------------------===//
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#ifdef _MSC_VER
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#pragma once
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#endif
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#ifndef LDC_LLVMCOMPAT_H
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#define LDC_LLVMCOMPAT_H
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#if !defined(LDC_LLVM_VER)
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#error "Please specify value for LDC_LLVM_VER."
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#endif
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#if LDC_LLVM_VER >= 302
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#define ADDRESS_SPACE 0
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#define HAS_ATTRIBUTES(x) (x).hasAttributes()
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#else
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#define ADDRESS_SPACE
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#define HAS_ATTRIBUTES(x) (x)
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#endif
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#if LDC_LLVM_VER < 302
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#define LLVM_OVERRIDE
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#define llvm_move(value) (value)
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#endif
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#ifndef __has_feature
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# define __has_feature(x) 0
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#endif
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#if LDC_LLVM_VER >= 305
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#if __has_feature(cxx_override_control) \
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|| (defined(_MSC_VER) && _MSC_VER >= 1700)
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#define LLVM_OVERRIDE override
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#else
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#define LLVM_OVERRIDE
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#endif
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#if (__has_feature(cxx_rvalue_references) \
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|| defined(__GXX_EXPERIMENTAL_CXX0X__) \
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|| (defined(_MSC_VER) && _MSC_VER >= 1600))
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#define LLVM_HAS_RVALUE_REFERENCES 1
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#else
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#define LLVM_HAS_RVALUE_REFERENCES 0
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#endif
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#if LLVM_HAS_RVALUE_REFERENCES
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#define llvm_move(value) (::std::move(value))
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#else
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#define llvm_move(value) (value)
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#endif
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#endif
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#endif
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