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Skip resolving Keccak if AST contains msize.

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Also a refactoring changing `m_optimizeMLoad` to `m_containsMSize`.
This commit is contained in:
hrkrshnn
2021-04-22 18:19:47 +02:00
parent 3d29ae73e7
commit b599235b8d
3 changed files with 26 additions and 6 deletions
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libyul/optimiser/LoadResolver.cpp
+3 -3
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@@ -48,7 +48,7 @@ void LoadResolver::run(OptimiserStepContext& _context, Block& _ast)
LoadResolver{
_context.dialect,
SideEffectsPropagator::sideEffects(_context.dialect, CallGraphGenerator::callGraph(_ast)),
!containsMSize,
containsMSize,
_context.expectedExecutionsPerDeployment
}(_ast);
}
@@ -66,7 +66,7 @@ void LoadResolver::visit(Expression& _e)
break;
}
if (funCall->functionName.name == m_dialect.hashFunction({}))
if (!m_containsMSize && funCall->functionName.name == m_dialect.hashFunction({}))
tryEvaluateKeccak(_e, funCall->arguments);
}
}
@@ -87,7 +87,7 @@ void LoadResolver::tryResolve(
if (inScope(*value))
_e = Identifier{locationOf(_e), *value};
}
else if (m_optimizeMLoad && _location == StoreLoadLocation::Memory)
else if (!m_containsMSize && _location == StoreLoadLocation::Memory)
if (auto value = util::valueOrNullptr(m_memory, key))
if (inScope(*value))
_e = Identifier{locationOf(_e), *value};