mirror of
https://github.com/AssetRipper/dxil-spirv.git
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111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
/* Copyright (c) 2019-2022 Hans-Kristian Arntzen for Valve Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "llvm_bitcode_parser.hpp"
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#ifdef HAVE_LLVMBC
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#include "context.hpp"
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#include "module.hpp"
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#else
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#include <llvm/IRReader/IRReader.h>
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#include <llvm/Support/SourceMgr.h>
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#endif
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namespace dxil_spv
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{
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struct LLVMBCParser::Impl
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{
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llvm::LLVMContext context;
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#ifdef HAVE_LLVMBC
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llvm::Module *module = nullptr;
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#else
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std::unique_ptr<llvm::Module> module;
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#endif
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};
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LLVMBCParser::LLVMBCParser()
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{
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impl.reset(new Impl);
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}
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LLVMBCParser::~LLVMBCParser()
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{
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}
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bool LLVMBCParser::parse(const void *data, size_t size)
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{
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#ifdef HAVE_LLVMBC
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impl->module = llvm::parseIR(impl->context, data, size);
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if (!impl->module)
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return false;
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#else
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auto memory = llvm::WritableMemoryBuffer::getNewUninitMemBuffer(size);
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memcpy(memory->getBufferStart(), data, size);
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llvm::SMDiagnostic error;
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impl->module = llvm::parseIR(*memory, error, impl->context);
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if (!impl->module)
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{
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error.print("DXIL", llvm::errs());
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return false;
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}
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#endif
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return true;
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}
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bool LLVMBCParser::parseDXBCBinary(const void *data, size_t size)
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{
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#ifdef HAVE_LLVMBC
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impl->module = llvm::parseDXBCBinary(impl->context, data, size);
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return impl->module != nullptr;
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#else
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(void)data;
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(void)size;
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return false;
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#endif
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}
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bool LLVMBCParser::parseDXBC(dxbc_spv::ir::Builder &builder)
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{
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#ifdef HAVE_LLVMBC
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impl->module = llvm::parseDXBCIR(impl->context, builder);
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return impl->module != nullptr;
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#else
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(void)builder;
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return false;
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#endif
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}
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llvm::Module &LLVMBCParser::get_module()
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{
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return *impl->module;
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}
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const llvm::Module &LLVMBCParser::get_module() const
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{
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return *impl->module;
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}
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} // namespace dxil_spv
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