diff options
Diffstat (limited to 'libyul/optimiser/FullInliner.cpp')
-rw-r--r-- | libyul/optimiser/FullInliner.cpp | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/libyul/optimiser/FullInliner.cpp b/libyul/optimiser/FullInliner.cpp index 8ae26fbb..f69f7cdd 100644 --- a/libyul/optimiser/FullInliner.cpp +++ b/libyul/optimiser/FullInliner.cpp @@ -94,8 +94,11 @@ bool FullInliner::shallInline(FunctionCall const& _funCall, YulString _callSite) if (_funCall.functionName.name == _callSite) return false; - FunctionDefinition& calledFunction = function(_funCall.functionName.name); - if (m_alwaysInline.count(calledFunction.name)) + FunctionDefinition* calledFunction = function(_funCall.functionName.name); + if (!calledFunction) + return false; + + if (m_alwaysInline.count(calledFunction->name)) return true; // Constant arguments might provide a means for further optimization, so they cause a bonus. @@ -110,7 +113,7 @@ bool FullInliner::shallInline(FunctionCall const& _funCall, YulString _callSite) break; } - size_t size = m_functionSizes.at(calledFunction.name); + size_t size = m_functionSizes.at(calledFunction->name); return (size < 10 || (constantArg && size < 50)); } @@ -149,12 +152,13 @@ vector<Statement> InlineModifier::performInline(Statement& _statement, FunctionC vector<Statement> newStatements; map<YulString, YulString> variableReplacements; - FunctionDefinition& function = m_driver.function(_funCall.functionName.name); + FunctionDefinition* function = m_driver.function(_funCall.functionName.name); + assertThrow(!!function, OptimizerException, "Attempt to inline invalid function."); // helper function to create a new variable that is supposed to model // an existing variable. auto newVariable = [&](TypedName const& _existingVariable, Expression* _value) { - YulString newName = m_nameDispenser.newName(_existingVariable.name, function.name); + YulString newName = m_nameDispenser.newName(_existingVariable.name, function->name); variableReplacements[_existingVariable.name] = newName; VariableDeclaration varDecl{_funCall.location, {{_funCall.location, newName, _existingVariable.type}}, {}}; if (_value) @@ -163,11 +167,11 @@ vector<Statement> InlineModifier::performInline(Statement& _statement, FunctionC }; for (size_t i = 0; i < _funCall.arguments.size(); ++i) - newVariable(function.parameters[i], &_funCall.arguments[i]); - for (auto const& var: function.returnVariables) + newVariable(function->parameters[i], &_funCall.arguments[i]); + for (auto const& var: function->returnVariables) newVariable(var, nullptr); - Statement newBody = BodyCopier(m_nameDispenser, function.name, variableReplacements)(function.body); + Statement newBody = BodyCopier(m_nameDispenser, function->name, variableReplacements)(function->body); newStatements += std::move(boost::get<Block>(newBody).statements); boost::apply_visitor(GenericFallbackVisitor<Assignment, VariableDeclaration>{ @@ -179,7 +183,7 @@ vector<Statement> InlineModifier::performInline(Statement& _statement, FunctionC {_assignment.variableNames[i]}, make_shared<Expression>(Identifier{ _assignment.location, - variableReplacements.at(function.returnVariables[i].name) + variableReplacements.at(function->returnVariables[i].name) }) }); }, @@ -191,7 +195,7 @@ vector<Statement> InlineModifier::performInline(Statement& _statement, FunctionC {std::move(_varDecl.variables[i])}, make_shared<Expression>(Identifier{ _varDecl.location, - variableReplacements.at(function.returnVariables[i].name) + variableReplacements.at(function->returnVariables[i].name) }) }); } |