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Yul optimizer: Remove Yul constant optimizer #16738

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blishko wants to merge 2 commits into from
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Yul optimizer: Remove Yul constant optimizer #16738

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1f4559e
Optimizer: Do not run Yul constant optimizer
blishko May 19, 2026
b73344d
Delete Yul constant optimizer
blishko May 19, 2026
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2 changes: 0 additions & 2 deletions libsolidity/codegen/CompilerContext.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -542,9 +542,7 @@ void CompilerContext::optimizeYul(yul::Object& _object, OptimiserSettings const&
#endif

bool const isCreation = runtimeContext() != nullptr;
yul::GasMeter meter(*evmDialect, isCreation, _optimiserSettings.expectedExecutionsPerDeployment);
yul::OptimiserSuite::run(
&meter,
_object,
_optimiserSettings.optimizeStackAllocation,
_optimiserSettings.yulOptimiserSteps,
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2 changes: 0 additions & 2 deletions libyul/CMakeLists.txt
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Expand Up @@ -47,8 +47,6 @@ add_library(yul
backends/evm/AbstractAssembly.h
backends/evm/AsmCodeGen.cpp
backends/evm/AsmCodeGen.h
backends/evm/ConstantOptimiser.cpp
backends/evm/ConstantOptimiser.h
backends/evm/ControlFlowGraph.h
backends/evm/ControlFlowGraphBuilder.cpp
backends/evm/ControlFlowGraphBuilder.h
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2 changes: 0 additions & 2 deletions libyul/ObjectOptimizer.cpp
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Expand Up @@ -67,7 +67,6 @@ void ObjectOptimizer::optimize(Object& _object, Settings const& _settings, bool
}

EVMDialect const& dialect = EVMDialect::strictAssemblyForEVMObjects(_settings.evmVersion, _settings.eofVersion);
GasMeter const meter(dialect, _isCreation, _settings.expectedExecutionsPerDeployment);

std::optional<h256> cacheKey = calculateCacheKey(_object.code()->root(), *_object.debugData, _settings, _isCreation);
if (cacheKey.has_value() && m_cachedObjects.count(*cacheKey) != 0)
Expand All @@ -77,7 +76,6 @@ void ObjectOptimizer::optimize(Object& _object, Settings const& _settings, bool
}

OptimiserSuite::run(
&meter,
_object,
_settings.optimizeStackAllocation,
_settings.yulOptimiserSteps,
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232 changes: 0 additions & 232 deletions libyul/backends/evm/ConstantOptimiser.cpp
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109 changes: 0 additions & 109 deletions libyul/backends/evm/ConstantOptimiser.h
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