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xermicus 9751481f6b the revive-explorer utility (#364 )

A maintainable and more precise version of what was a hacky but useful
script, exploring the compilers YUL lowering unit.

It analyzes a given shared objects from the debug dump and outputs:
- The count of each YUL statement translated.
- A per YUL statement break-down of bytecode size contributed per.
- Estimated `yul-phaser` cost parameters.

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>

2025-07-22 09:17:55 +02:00

893 B

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revive-explorer

The revive-explorer is a helper utility for exploring the compilers YUL lowering unit.

It analyzes a given shared objects from the debug dump and outputs:

The count of each YUL statement translated.
A per YUL statement break-down of bytecode size contributed per.
Estimated yul-phaser cost parameters.

Example:

statements count:
	block 532
	Caller 20
	Not 73
	Gas 24
	Shr 2
    ...
	Shl 259
	SetImmutable 2
	CodeSize 1
	CallDataLoad 87
	Return 56
bytes per statement:
	Or 756
	CodeCopy 158
	Log3 620
	Return 1562
	MStore 36128
	...
	ReturnDataCopy 2854
	DataOffset 28
	assignment 1194
	Number 540
	CallValue 4258
yul-phaser parameters:
	--break-cost 1
	--variable-declaration-cost 3
	--function-call-cost 8
	--if-cost 4
	--expression-statement-cost 6
	--function-definition-cost 11
	--switch-cost 3
	--block-cost 1
	--leave-cost 1
	--assignment-cost 1

893 B Raw Blame History

revive-explorer

893 B

Raw Blame History