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//
// Copyright 2016 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
///
/// \file
/// Some thin wrappers around the Clang/LLVM API used to preserve
/// compatibility with older API versions while keeping the ifdef clutter low
/// in the rest of the clover::llvm subtree. In case of an API break please
/// consider whether it's possible to preserve backwards compatibility by
/// introducing a new one-liner inline function or typedef here under the
/// compat namespace in order to keep the running code free from preprocessor
/// conditionals.
///
#ifndef CLOVER_LLVM_COMPAT_HPP
#define CLOVER_LLVM_COMPAT_HPP
#include "util/algorithm.hpp"
#include <llvm/Linker/Linker.h>
#include <llvm/Transforms/IPO.h>
#include <llvm/Target/TargetMachine.h>
#if HAVE_LLVM >= 0x0307
#include <llvm/IR/LegacyPassManager.h>
#include <llvm/Analysis/TargetLibraryInfo.h>
#else
#include <llvm/PassManager.h>
#include <llvm/Target/TargetLibraryInfo.h>
#include <llvm/Target/TargetSubtargetInfo.h>
#include <llvm/Support/FormattedStream.h>
#endif
#include <clang/Frontend/CodeGenOptions.h>
#include <clang/Frontend/CompilerInstance.h>
namespace clover {
namespace llvm {
namespace compat {
#if HAVE_LLVM >= 0x0307
typedef ::llvm::TargetLibraryInfoImpl target_library_info;
#else
typedef ::llvm::TargetLibraryInfo target_library_info;
#endif
inline void
set_lang_defaults(clang::CompilerInvocation &inv,
clang::LangOptions &lopts, clang::InputKind ik,
const ::llvm::Triple &t,
clang::PreprocessorOptions &ppopts,
clang::LangStandard::Kind std) {
#if HAVE_LLVM >= 0x0309
inv.setLangDefaults(lopts, ik, t, ppopts, std);
#else
inv.setLangDefaults(lopts, ik, std);
#endif
}
inline void
add_link_bitcode_file(clang::CodeGenOptions &opts,
const std::string &path) {
#if HAVE_LLVM >= 0x0308
opts.LinkBitcodeFiles.emplace_back(::llvm::Linker::Flags::None, path);
#else
opts.LinkBitcodeFile = path;
#endif
}
#if HAVE_LLVM >= 0x0307
typedef ::llvm::legacy::PassManager pass_manager;
#else
typedef ::llvm::PassManager pass_manager;
#endif
inline void
add_data_layout_pass(pass_manager &pm) {
#if HAVE_LLVM < 0x0307
pm.add(new ::llvm::DataLayoutPass());
#endif
}
inline void
add_internalize_pass(pass_manager &pm,
const std::vector<std::string> &names) {
#if HAVE_LLVM >= 0x0309
pm.add(::llvm::createInternalizePass(
[=](const ::llvm::GlobalValue &gv) {
return std::find(names.begin(), names.end(),
gv.getName()) != names.end();
}));
#else
pm.add(::llvm::createInternalizePass(std::vector<const char *>(
map(std::mem_fn(&std::string::data), names))));
#endif
}
#if HAVE_LLVM >= 0x0307
typedef ::llvm::raw_svector_ostream &raw_ostream_to_emit_file;
#else
typedef ::llvm::formatted_raw_ostream raw_ostream_to_emit_file;
#endif
#if HAVE_LLVM >= 0x0307
typedef ::llvm::DataLayout data_layout;
#else
typedef const ::llvm::DataLayout *data_layout;
#endif
inline data_layout
get_data_layout(::llvm::TargetMachine &tm) {
#if HAVE_LLVM >= 0x0307
return tm.createDataLayout();
#else
return tm.getSubtargetImpl()->getDataLayout();
#endif
}
#if HAVE_LLVM >= 0x0309
const auto default_reloc_model = ::llvm::None;
#else
const auto default_reloc_model = ::llvm::Reloc::Default;
#endif
}
}
}
#endif
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