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ef6ff2f05550e4386f2fec7753a44fe39a124488
solidity/libyul/optimiser
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Rodrigo Q. SaramagoAlex BeregszasziDanielmatheusaaguiarNikola Matić
 ef6ff2f055 Adds support for the EVM version "Paris". 
Deprecates `block.difficulty` and disallow `difficulty()` in inline assembly for EVM versions >= paris.
The change is due to the renaming introduced by EIP-4399 (see: https://eips.ethereum.org/EIPS/eip-4399).
Introduces `block.prevrandao` in Solidity and `prevrandao()` in inline assembly for EVM versions >= paris.

Co-authored-by: Alex Beregszaszi <alex@rtfs.hu>
Co-authored-by: Daniel <daniel@ekpyron.org>
Co-authored-by: matheusaaguiar <95899911+matheusaaguiar@users.noreply.github.com>
Co-authored-by: Nikola Matić <nikola.matic@ethereum.org>
2023-01-23 18:50:36 +00:00
..
ASTCopier.cpp
Remove unneeded include files
2021-06-07 12:53:18 -04:00
ASTCopier.h
Added a helper class FunctionCopier in ASTCopier
2021-03-29 11:02:18 +02:00
ASTWalker.cpp
Replaced keys, values and reverse with ranges
2021-03-31 23:33:04 +05:30
ASTWalker.h
Minor fix to forEach on Yul AST nodes.
2021-11-05 13:24:30 +01:00
BlockFlattener.cpp
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
BlockFlattener.h
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
BlockHasher.cpp
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
BlockHasher.h
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
CallGraphGenerator.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
CallGraphGenerator.h
Implement cxx20 polyfill and replace InvertibleMap entirely.
2021-01-12 21:40:40 +01:00
CircularReferencesPruner.cpp
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
CircularReferencesPruner.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
CommonSubexpressionEliminator.cpp
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
CommonSubexpressionEliminator.h
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
ConditionalSimplifier.cpp
Control flow side effects on non-disambiguated source.
2021-11-04 16:32:11 +01:00
ConditionalSimplifier.h
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
ConditionalUnsimplifier.cpp
Control flow side effects on non-disambiguated source.
2021-11-04 16:32:11 +01:00
ConditionalUnsimplifier.h
Use side effects of user-defined functions in other optimizer steps.
2021-11-02 11:59:01 +01:00
ControlFlowSimplifier.cpp
Add helper to see if a switch has a default case.
2022-03-15 14:29:54 +01:00
ControlFlowSimplifier.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
DataFlowAnalyzer.cpp
Re-use knowledge about keccak calls.
2022-12-07 14:16:13 +01:00
DataFlowAnalyzer.h
Re-use knowledge about keccak calls.
2022-12-07 14:16:13 +01:00
DeadCodeEliminator.cpp
Control flow side effects on non-disambiguated source.
2021-11-04 16:32:11 +01:00
DeadCodeEliminator.h
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
Disambiguator.cpp
Rename AsmScope* to Scope*
2020-12-18 11:55:17 +00:00
Disambiguator.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
EqualStoreEliminator.cpp
Refactor data flow analyzer state access.
2022-03-14 19:32:33 +01:00
EqualStoreEliminator.h
Only analyze memory in DataFlowAnalyzer if it is needed in the optimizer step.
2022-07-11 15:51:25 +02:00
EquivalentFunctionCombiner.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
EquivalentFunctionCombiner.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
EquivalentFunctionDetector.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
EquivalentFunctionDetector.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
ExpressionInliner.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
ExpressionInliner.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
ExpressionJoiner.cpp
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
ExpressionJoiner.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
ExpressionSimplifier.cpp
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
ExpressionSimplifier.h
Yul Optimizer: Simplify start offset of zero-length operations.
2022-08-15 15:42:51 +02:00
ExpressionSplitter.cpp
Remove unneeded include files
2021-06-07 12:53:18 -04:00
ExpressionSplitter.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
ForLoopConditionIntoBody.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
ForLoopConditionIntoBody.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
ForLoopConditionOutOfBody.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
ForLoopConditionOutOfBody.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
ForLoopInitRewriter.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
ForLoopInitRewriter.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
FullInliner.cpp
Update FullInliner.cpp
2022-08-14 03:14:15 +03:00
FullInliner.h
Relax inliner heuristics.
2022-05-23 13:37:50 +02:00
FunctionCallFinder.cpp
Enable more C++ compiler warnings
2020-12-10 21:03:58 +00:00
FunctionCallFinder.h
Add stack limit evader.
2020-09-17 22:13:27 +02:00
FunctionGrouper.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
FunctionGrouper.h
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
FunctionHoister.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
FunctionHoister.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
FunctionSpecializer.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
FunctionSpecializer.h
FunctionSpecializer: skip specializing recursive functions
2021-03-29 11:02:31 +02:00
InlinableExpressionFunctionFinder.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
InlinableExpressionFunctionFinder.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
KnowledgeBase.cpp
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
KnowledgeBase.h
Refactor data flow analyzer state access.
2022-03-14 19:32:33 +01:00
LoadResolver.cpp
Re-use knowledge about keccak calls.
2022-12-07 14:16:13 +01:00
LoadResolver.h
Only analyze memory in DataFlowAnalyzer if it is needed in the optimizer step.
2022-07-11 15:51:25 +02:00
LoopInvariantCodeMotion.cpp
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
LoopInvariantCodeMotion.h
Extended LoopInvariantCodeMotion for storage and state
2020-08-19 12:41:29 +02:00
MainFunction.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
MainFunction.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
Metrics.cpp
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
Metrics.h
Adjust cost of literal zero.
2021-04-22 11:42:42 +02:00
NameCollector.cpp
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
NameCollector.h
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
NameDispenser.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
NameDispenser.h
Merge pull request #10419 from ethereum/bug-namesimplifier
2020-12-03 17:52:40 +01:00
NameDisplacer.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
NameDisplacer.h
Implemented UnusedFunctionArgumentPruner
2020-09-03 13:15:38 +02:00
NameSimplifier.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
NameSimplifier.h
Merge pull request #10419 from ethereum/bug-namesimplifier
2020-12-03 17:52:40 +01:00
OptimiserStep.h
Optimizer context has parameter expectedExecutionsPerDeployment
2021-04-22 17:27:57 +02:00
OptimizerUtilities.cpp
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
OptimizerUtilities.h
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
README.md
DOCS: update optimizer docs, harmonize spelling and add Yul-based optimizer module
2021-05-04 17:37:02 +02:00
ReasoningBasedSimplifier.cpp
Forward declare Instruction enum in EVMVersion
2022-09-29 13:41:58 +02:00
ReasoningBasedSimplifier.h
Extracted the class SMT Solver from ReasoningBasedSimplifier
2021-05-06 11:26:26 +02:00
Rematerialiser.cpp
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
Rematerialiser.h
Only analyze memory in DataFlowAnalyzer if it is needed in the optimizer step.
2022-07-11 15:51:25 +02:00
Semantics.cpp
Use side effects of user-defined functions in other optimizer steps.
2021-11-02 11:59:01 +01:00
Semantics.h
Use side effects of user-defined functions in other optimizer steps.
2021-11-02 11:59:01 +01:00
SimplificationRules.cpp
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
SimplificationRules.h
Adds support for the EVM version "Paris".
2023-01-23 18:50:36 +00:00
SMTSolver.cpp
Extracted the class SMT Solver from ReasoningBasedSimplifier
2021-05-06 11:26:26 +02:00
SMTSolver.h
Extracted the class SMT Solver from ReasoningBasedSimplifier
2021-05-06 11:26:26 +02:00
SSAReverser.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
SSAReverser.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
SSATransform.cpp
Introduce forEach for yul ast nodes.
2021-11-04 16:14:43 +01:00
SSATransform.h
Rename RedundantAssignEliminator to UnusedAssignEliminator.
2021-11-23 10:38:36 +01:00
SSAValueTracker.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
SSAValueTracker.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
StackCompressor.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
StackCompressor.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
StackLimitEvader.cpp
Introduce forEach for yul ast nodes.
2021-11-04 16:14:43 +01:00
StackLimitEvader.h
Compatibility with StackCompressor and StackLimitEvader.
2021-11-03 12:39:55 +01:00
StackToMemoryMover.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
StackToMemoryMover.h
Split Common.h into Numeric.h.
2021-09-23 15:27:29 +02:00
StructuralSimplifier.cpp
Refix MSVC Debug crash
2022-04-26 01:52:56 +02:00
StructuralSimplifier.h
Remove unneeded header files.
2022-03-10 09:55:05 +01:00
Substitution.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
Substitution.h
Add SPDX license identifier if not present already in source file
2020-07-17 20:24:12 +05:30
Suite.cpp
Code to output performance metrics for optimizer steps.
2022-11-22 18:44:01 +01:00
Suite.h
Code to output performance metrics for optimizer steps.
2022-11-22 18:44:01 +01:00
SyntacticalEquality.cpp
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
SyntacticalEquality.h
Use hash of candidates for CSE.
2022-11-09 16:57:46 +01:00
TypeInfo.cpp
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
TypeInfo.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
UnusedAssignEliminator.cpp
Equal store eliminator.
2022-01-03 15:52:05 +01:00
UnusedAssignEliminator.h
Rename RedundantAssignEliminator to UnusedAssignEliminator.
2021-11-23 10:38:36 +01:00
UnusedFunctionParameterPruner.cpp
Only count variables if only variables are needed.
2022-11-14 10:24:28 +01:00
UnusedFunctionParameterPruner.h
Implemented UnusedFunctionArgumentPruner
2020-09-03 13:15:38 +02:00
UnusedFunctionsCommon.cpp
Remove unneeded include files
2021-06-07 12:53:18 -04:00
UnusedFunctionsCommon.h
Move filter to CommonData.h
2020-12-09 11:13:27 +01:00
UnusedPruner.cpp
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
UnusedPruner.h
Keep canonical form of Yul code at all times.
2021-11-09 13:29:10 +01:00
UnusedStoreBase.cpp
Add std:: qualifier to move() calls
2022-08-30 11:12:15 +02:00
UnusedStoreBase.h
Equal store eliminator.
2022-01-03 15:52:05 +01:00
UnusedStoreEliminator.cpp
Bugfix and tests.
2022-09-08 11:54:14 +02:00
UnusedStoreEliminator.h
Document UnusedStoreEliminator
2022-10-21 13:19:56 +02:00
VarDeclInitializer.cpp
Refactoring yul source locations.
2021-05-04 16:05:23 +02:00
VarDeclInitializer.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00
VarNameCleaner.cpp
Split Common.h into Numeric.h.
2021-09-23 15:27:29 +02:00
VarNameCleaner.h
Rename AsmData -> AST
2020-11-25 17:58:02 +00:00

README.md

Yul-Based Optimizer

The documentation of the Yul-based optimizer module has been moved to the official Solidity documentation.

Please refer to the optimizer documentation for a description of all optimization stages and how to use the optimizer and to the Yul documentation for more information on the optimization step sequence and a list of abbreviations for each step.

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