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3a73eb99ac
Instead of storing a BasicBlock* and forcing the size of Label to be sizeof(BasicBlock*), we now store the basic block index as a u32. This means the final version of the bytecode is able to keep labels at sizeof(u32), shrinking the size of many instructions. :^)
40 lines
880 B
C++
40 lines
880 B
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibJS/Bytecode/BasicBlock.h>
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#include <LibJS/Bytecode/Op.h>
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namespace JS::Bytecode {
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NonnullOwnPtr<BasicBlock> BasicBlock::create(u32 index, String name)
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{
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return adopt_own(*new BasicBlock(index, move(name)));
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}
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BasicBlock::BasicBlock(u32 index, String name)
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: m_index(index)
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, m_name(move(name))
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{
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}
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BasicBlock::~BasicBlock()
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{
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Bytecode::InstructionStreamIterator it(instruction_stream());
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while (!it.at_end()) {
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auto& to_destroy = (*it);
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++it;
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Instruction::destroy(const_cast<Instruction&>(to_destroy));
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}
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}
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void BasicBlock::grow(size_t additional_size)
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{
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m_buffer.grow_capacity(m_buffer.size() + additional_size);
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m_buffer.resize(m_buffer.size() + additional_size);
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}
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}
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