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https://github.com/ethereum/solidity
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Merge pull request #11306 from ethereum/toevminstruction
Add toEVMInstruction helper
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commit
2cb525f607
@ -19,11 +19,11 @@
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*/
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#include <libyul/optimiser/Metrics.h>
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#include <libyul/optimiser/OptimizerUtilities.h>
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#include <libyul/AST.h>
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#include <libyul/Exceptions.h>
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#include <libyul/Utilities.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libevmasm/Instruction.h>
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#include <libevmasm/GasMeter.h>
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@ -139,11 +139,9 @@ void CodeCost::operator()(FunctionCall const& _funCall)
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{
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ASTWalker::operator()(_funCall);
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if (EVMDialect const* dialect = dynamic_cast<EVMDialect const*>(&m_dialect))
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if (BuiltinFunctionForEVM const* f = dialect->builtin(_funCall.functionName.name))
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if (f->instruction)
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if (auto instruction = toEVMInstruction(m_dialect, _funCall.functionName.name))
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{
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addInstructionCost(*f->instruction);
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addInstructionCost(*instruction);
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return;
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}
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@ -21,6 +21,8 @@
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#include <libyul/optimiser/OptimizerUtilities.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libyul/Dialect.h>
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#include <libyul/AST.h>
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@ -47,3 +49,11 @@ bool yul::isRestrictedIdentifier(Dialect const& _dialect, YulString const& _iden
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{
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return _identifier.empty() || TokenTraits::isYulKeyword(_identifier.str()) || _dialect.reservedIdentifier(_identifier);
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}
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optional<evmasm::Instruction> yul::toEVMInstruction(Dialect const& _dialect, YulString const& _name)
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{
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if (auto const* dialect = dynamic_cast<EVMDialect const*>(&_dialect))
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if (BuiltinFunctionForEVM const* builtin = dialect->builtin(_name))
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return builtin->instruction;
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return nullopt;
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}
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@ -26,6 +26,13 @@
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#include <libyul/Dialect.h>
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#include <libyul/YulString.h>
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#include <optional>
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namespace solidity::evmasm
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{
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enum class Instruction: uint8_t;
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}
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namespace solidity::yul
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{
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@ -36,4 +43,7 @@ void removeEmptyBlocks(Block& _block);
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/// This includes Yul keywords and builtins of the given dialect.
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bool isRestrictedIdentifier(Dialect const& _dialect, YulString const& _identifier);
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/// Helper function that returns the instruction, if the `_name` is a BuiltinFunction
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std::optional<evmasm::Instruction> toEVMInstruction(Dialect const& _dialect, YulString const& _name);
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}
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@ -17,14 +17,13 @@
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#include <libyul/optimiser/ReasoningBasedSimplifier.h>
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#include <libyul/optimiser/OptimizerUtilities.h>
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#include <libyul/optimiser/SSAValueTracker.h>
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#include <libyul/optimiser/Semantics.h>
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#include <libyul/AST.h>
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#include <libyul/Utilities.h>
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#include <libyul/Dialect.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libsmtutil/SMTPortfolio.h>
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#include <libsmtutil/Helpers.h>
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@ -123,10 +122,8 @@ smtutil::Expression ReasoningBasedSimplifier::encodeExpression(yul::Expression c
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return std::visit(GenericVisitor{
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[&](FunctionCall const& _functionCall)
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{
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if (auto const* dialect = dynamic_cast<EVMDialect const*>(&m_dialect))
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if (auto const* builtin = dialect->builtin(_functionCall.functionName.name))
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if (builtin->instruction)
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return encodeEVMBuiltin(*builtin->instruction, _functionCall.arguments);
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if (auto instruction = toEVMInstruction(m_dialect, _functionCall.functionName.name))
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return encodeEVMBuiltin(*instruction, _functionCall.arguments);
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return newRestrictedVariable();
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},
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[&](Identifier const& _identifier)
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@ -21,10 +21,10 @@
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#include <libyul/optimiser/Semantics.h>
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#include <libyul/optimiser/OptimizerUtilities.h>
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#include <libyul/Exceptions.h>
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#include <libyul/AST.h>
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#include <libyul/Dialect.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libevmasm/SemanticInformation.h>
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@ -197,9 +197,7 @@ TerminationFinder::ControlFlow TerminationFinder::controlFlowKind(Statement cons
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bool TerminationFinder::isTerminatingBuiltin(ExpressionStatement const& _exprStmnt)
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{
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if (holds_alternative<FunctionCall>(_exprStmnt.expression))
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if (auto const* dialect = dynamic_cast<EVMDialect const*>(&m_dialect))
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if (auto const* builtin = dialect->builtin(std::get<FunctionCall>(_exprStmnt.expression).functionName.name))
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if (builtin->instruction)
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return evmasm::SemanticInformation::terminatesControlFlow(*builtin->instruction);
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if (auto instruction = toEVMInstruction(m_dialect, std::get<FunctionCall>(_exprStmnt.expression).functionName.name))
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return evmasm::SemanticInformation::terminatesControlFlow(*instruction);
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return false;
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}
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