gen_llvm.hpp

/****************************************************************************
 * Copyright (C) 2014-2018 Intel Corporation.   All Rights Reserved.
 *
 * 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 (including the next
 * paragraph) 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 ${filename}
 *
 * @brief auto-generated file
 *
 * DO NOT EDIT
 *
 * Generation Command Line:
 *   ${'\n *     '.join(cmdline)}
 *
 ******************************************************************************/
// clang-format off

#include <llvm/IR/DerivedTypes.h>

#pragma once

namespace SwrJit
{
    using namespace llvm;

%for type in types:
    INLINE static StructType* Gen_${type['name']}(JitManager* pJitMgr)
    {
        %if needs_ctx(type):
        LLVMContext& ctx = pJitMgr->mContext;

        %endif
#if LLVM_VERSION_MAJOR >= 12
        StructType* pRetType = StructType::getTypeByName(pJitMgr->mContext, "${type['name']}");
#else
        StructType* pRetType = pJitMgr->mpCurrentModule->getTypeByName("${type['name']}");
#endif
        if (pRetType == nullptr)
        {
            std::vector<Type*> members =<% (max_type_len, max_name_len) = calc_max_len(type['members']) %>
            {
                %for member in type['members']:
                /* ${member['name']} ${pad(len(member['name']), max_name_len)}*/ ${member['type']},
                %endfor
            };

            pRetType = StructType::create(members, "${type['name']}", false);

            // Compute debug metadata
            llvm::DIBuilder builder(*pJitMgr->mpCurrentModule);
            llvm::DIFile* pFile = builder.createFile("${input_file}", "${os.path.normpath(input_dir).replace('\\', '/')}");

            std::vector<std::pair<std::string, uint32_t>> dbgMembers =
            {
                %for member in type['members']:
                std::make_pair("${member['name']}", ${pad(len(member['name']), max_name_len)}${member['lineNum']}),
                %endfor
            };
            pJitMgr->CreateDebugStructType(pRetType, "${type['name']}", pFile, ${type['lineNum']}, dbgMembers);
        }

        return pRetType;
    }

    %for member in type['members']:
    static const uint32_t ${type['name']}_${member['name']} ${pad(len(member['name']), max_name_len)}= ${loop.index};
    %endfor

%endfor
} // namespace SwrJit

<%! # Global function definitions
    import os
    def needs_ctx(struct_type):
        for m in struct_type.get('members', []):
            if '(ctx)' in m.get('type', ''):
                return True
        return False

    def calc_max_len(fields):
        max_type_len = 0
        max_name_len = 0
        for f in fields:
            if len(f['type']) > max_type_len: max_type_len = len(f['type'])
            if len(f['name']) > max_name_len: max_name_len = len(f['name'])
        return (max_type_len, max_name_len)

    def pad(cur_len, max_len):
        pad_amt = max_len - cur_len
        return ' '*pad_amt
%>
// clang-format on