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[EVM] Implement stack machine friendly scheduler on ISel #724

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PavelKopyl opened this issue Oct 25, 2024 · 1 comment
Open

[EVM] Implement stack machine friendly scheduler on ISel #724

PavelKopyl opened this issue Oct 25, 2024 · 1 comment
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EVM backend optimization research

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@PavelKopyl
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EVM has the EVMSingleUseExpression pass that performs code scheduling to reduce a number of required stack manipulation instructions. This pass work at the end of compilation pipeline, before the stackification transformation.
It makes sense to try to implement stack machine friendly code scheduling at in the ISel scheduler, as described in the article:
instruction_scheduling_for_stack_machines.pdf
@akiramenai
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@PavelKopyl could you refine why we should have 2 schedulers instead of tuning the existing one?

@PavelKopyl PavelKopyl changed the title [EVM] Implement stack machine friendly sheduler on ISel [EVM] Implement stack machine friendly scheduler on ISel Oct 25, 2024
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@akiramenai @PavelKopyl