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LibJS/JIT: Let Compiler keep per-BasicBlock state internally

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Compiler now has a BasicBlockData struct for each BasicBlock. The struct
contains all the stuff that we previously stored with the
Bytecode::BasicBlock.
This commit is contained in:
Andreas Kling 2023-10-26 15:05:33 +02:00
parent 8a24d00b1a
commit 022974a43a
3 changed files with 42 additions and 19 deletions
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20
Userland/Libraries/LibJS/JIT/Compiler.h
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@ -125,6 +125,26 @@ private:
{
}
Assembler::Label& label_for(Bytecode::BasicBlock const& block)
{
return block_data_for(block).label;
}
struct BasicBlockData {
size_t start_offset { 0 };
Assembler::Label label;
Vector<size_t> absolute_references_to_here;
};
BasicBlockData& block_data_for(Bytecode::BasicBlock const& block)
{
return *m_basic_block_data.ensure(&block, [] {
return make<BasicBlockData>();
});
}
HashMap<Bytecode::BasicBlock const*, NonnullOwnPtr<BasicBlockData>> m_basic_block_data;
Vector<u8> m_output;
Assembler m_assembler { m_output };
Bytecode::Executable& m_bytecode_executable;