16 files changed, 73 insertions, 73 deletions

diff --git a/libyul/backends/evm/EVMAssembly.h b/libyul/backends/evm/EVMAssembly.h
index 556ed5a5..8f92b6e7 100644
--- a/libyul/backends/evm/EVMAssembly.h
+++ b/libyul/backends/evm/EVMAssembly.h
@@ -38,42 +38,42 @@ public:
 	virtual ~EVMAssembly() {}
 
 	/// Set a new source location valid starting from the next instruction.
-	virtual void setSourceLocation(SourceLocation const& _location) override;
+	void setSourceLocation(SourceLocation const& _location) override;
 	/// Retrieve the current height of the stack. This does not have to be zero
 	/// at the beginning.
-	virtual int stackHeight() const override { return m_stackHeight; }
+	int stackHeight() const override { return m_stackHeight; }
 	/// Append an EVM instruction.
-	virtual void appendInstruction(solidity::Instruction _instruction) override;
+	void appendInstruction(solidity::Instruction _instruction) override;
 	/// Append a constant.
-	virtual void appendConstant(u256 const& _constant) override;
+	void appendConstant(u256 const& _constant) override;
 	/// Append a label.
-	virtual void appendLabel(LabelID _labelId) override;
+	void appendLabel(LabelID _labelId) override;
 	/// Append a label reference.
-	virtual void appendLabelReference(LabelID _labelId) override;
+	void appendLabelReference(LabelID _labelId) override;
 	/// Generate a new unique label.
-	virtual LabelID newLabelId() override;
+	LabelID newLabelId() override;
 	/// Returns a label identified by the given name. Creates it if it does not yet exist.
-	virtual LabelID namedLabel(std::string const& _name) override;
+	LabelID namedLabel(std::string const& _name) override;
 	/// Append a reference to a to-be-linked symbol.
 	/// Currently, we assume that the value is always a 20 byte number.
-	virtual void appendLinkerSymbol(std::string const& _name) override;
+	void appendLinkerSymbol(std::string const& _name) override;
 
 	/// Append a jump instruction.
 	/// @param _stackDiffAfter the stack adjustment after this instruction.
-	virtual void appendJump(int _stackDiffAfter) override;
+	void appendJump(int _stackDiffAfter) override;
 	/// Append a jump-to-immediate operation.
-	virtual void appendJumpTo(LabelID _labelId, int _stackDiffAfter) override;
+	void appendJumpTo(LabelID _labelId, int _stackDiffAfter) override;
 	/// Append a jump-to-if-immediate operation.
-	virtual void appendJumpToIf(LabelID _labelId) override;
+	void appendJumpToIf(LabelID _labelId) override;
 	/// Start a subroutine.
-	virtual void appendBeginsub(LabelID _labelId, int _arguments) override;
+	void appendBeginsub(LabelID _labelId, int _arguments) override;
 	/// Call a subroutine.
-	virtual void appendJumpsub(LabelID _labelId, int _arguments, int _returns) override;
+	void appendJumpsub(LabelID _labelId, int _arguments, int _returns) override;
 	/// Return from a subroutine.
-	virtual void appendReturnsub(int _returns, int _stackDiffAfter) override;
+	void appendReturnsub(int _returns, int _stackDiffAfter) override;
 
 	/// Append the assembled size as a constant.
-	virtual void appendAssemblySize() override;
+	void appendAssemblySize() override;
 
 	/// Resolves references inside the bytecode and returns the linker object.
 	eth::LinkerObject finalize();
diff --git a/libyul/optimiser/ASTCopier.h b/libyul/optimiser/ASTCopier.h
index b6aceee3..95e58a56 100644
--- a/libyul/optimiser/ASTCopier.h
+++ b/libyul/optimiser/ASTCopier.h
@@ -71,21 +71,21 @@ class ASTCopier: public ExpressionCopier, public StatementCopier
 {
 public:
 	virtual ~ASTCopier() = default;
-	virtual Expression operator()(Literal const& _literal) override;
-	virtual Statement operator()(Instruction const& _instruction) override;
-	virtual Expression operator()(Identifier const& _identifier) override;
-	virtual Expression operator()(FunctionalInstruction const& _instr) override;
-	virtual Expression operator()(FunctionCall const&) override;
-	virtual Statement operator()(ExpressionStatement const& _statement) override;
-	virtual Statement operator()(Label const& _label) override;
-	virtual Statement operator()(StackAssignment const& _assignment) override;
-	virtual Statement operator()(Assignment const& _assignment) override;
-	virtual Statement operator()(VariableDeclaration const& _varDecl) override;
-	virtual Statement operator()(If const& _if) override;
-	virtual Statement operator()(Switch const& _switch) override;
-	virtual Statement operator()(FunctionDefinition const&) override;
-	virtual Statement operator()(ForLoop const&) override;
-	virtual Statement operator()(Block const& _block) override;
+	Expression operator()(Literal const& _literal) override;
+	Statement operator()(Instruction const& _instruction) override;
+	Expression operator()(Identifier const& _identifier) override;
+	Expression operator()(FunctionalInstruction const& _instr) override;
+	Expression operator()(FunctionCall const&) override;
+	Statement operator()(ExpressionStatement const& _statement) override;
+	Statement operator()(Label const& _label) override;
+	Statement operator()(StackAssignment const& _assignment) override;
+	Statement operator()(Assignment const& _assignment) override;
+	Statement operator()(VariableDeclaration const& _varDecl) override;
+	Statement operator()(If const& _if) override;
+	Statement operator()(Switch const& _switch) override;
+	Statement operator()(FunctionDefinition const&) override;
+	Statement operator()(ForLoop const&) override;
+	Statement operator()(Block const& _block) override;
 
 	virtual Expression translate(Expression const& _expression);
 	virtual Statement translate(Statement const& _statement);
diff --git a/libyul/optimiser/CommonSubexpressionEliminator.h b/libyul/optimiser/CommonSubexpressionEliminator.h
index f8aa0ee1..16b39f5b 100644
--- a/libyul/optimiser/CommonSubexpressionEliminator.h
+++ b/libyul/optimiser/CommonSubexpressionEliminator.h
@@ -38,7 +38,7 @@ class CommonSubexpressionEliminator: public DataFlowAnalyzer
 {
 protected:
 	using ASTModifier::visit;
-	virtual void visit(Expression& _e) override;
+	void visit(Expression& _e) override;
 };
 
 }
diff --git a/libyul/optimiser/DataFlowAnalyzer.h b/libyul/optimiser/DataFlowAnalyzer.h
index a0c21eee..a946529a 100644
--- a/libyul/optimiser/DataFlowAnalyzer.h
+++ b/libyul/optimiser/DataFlowAnalyzer.h
@@ -45,13 +45,13 @@ class DataFlowAnalyzer: public ASTModifier
 {
 public:
 	using ASTModifier::operator();
-	virtual void operator()(Assignment& _assignment) override;
-	virtual void operator()(VariableDeclaration& _varDecl) override;
-	virtual void operator()(If& _if) override;
-	virtual void operator()(Switch& _switch) override;
-	virtual void operator()(FunctionDefinition&) override;
-	virtual void operator()(ForLoop&) override;
-	virtual void operator()(Block& _block) override;
+	void operator()(Assignment& _assignment) override;
+	void operator()(VariableDeclaration& _varDecl) override;
+	void operator()(If& _if) override;
+	void operator()(Switch& _switch) override;
+	void operator()(FunctionDefinition&) override;
+	void operator()(ForLoop&) override;
+	void operator()(Block& _block) override;
 
 protected:
 	/// Registers the assignment.
diff --git a/libyul/optimiser/Disambiguator.h b/libyul/optimiser/Disambiguator.h
index bfb65682..0fcd41d9 100644
--- a/libyul/optimiser/Disambiguator.h
+++ b/libyul/optimiser/Disambiguator.h
@@ -52,11 +52,11 @@ public:
 	}
 
 protected:
-	virtual void enterScope(Block const& _block) override;
-	virtual void leaveScope(Block const& _block) override;
-	virtual void enterFunction(FunctionDefinition const& _function) override;
-	virtual void leaveFunction(FunctionDefinition const& _function) override;
-	virtual YulString translateIdentifier(YulString _name) override;
+	void enterScope(Block const& _block) override;
+	void leaveScope(Block const& _block) override;
+	void enterFunction(FunctionDefinition const& _function) override;
+	void leaveFunction(FunctionDefinition const& _function) override;
+	YulString translateIdentifier(YulString _name) override;
 
 	void enterScopeInternal(solidity::assembly::Scope& _scope);
 	void leaveScopeInternal(solidity::assembly::Scope& _scope);
diff --git a/libyul/optimiser/ExpressionInliner.h b/libyul/optimiser/ExpressionInliner.h
index d903664f..ee98da8f 100644
--- a/libyul/optimiser/ExpressionInliner.h
+++ b/libyul/optimiser/ExpressionInliner.h
@@ -54,9 +54,9 @@ public:
 	void run();
 
 	using ASTModifier::operator();
-	virtual void operator()(FunctionDefinition& _fun) override;
+	void operator()(FunctionDefinition& _fun) override;
 
-	virtual void visit(Expression& _expression) override;
+	void visit(Expression& _expression) override;
 
 private:
 	std::map<YulString, FunctionDefinition const*> m_inlinableFunctions;
diff --git a/libyul/optimiser/ExpressionSplitter.h b/libyul/optimiser/ExpressionSplitter.h
index 339acbf0..82274203 100644
--- a/libyul/optimiser/ExpressionSplitter.h
+++ b/libyul/optimiser/ExpressionSplitter.h
@@ -63,12 +63,12 @@ public:
 		m_nameDispenser(_nameDispenser)
 	{ }
 
-	virtual void operator()(FunctionalInstruction&) override;
-	virtual void operator()(FunctionCall&) override;
-	virtual void operator()(If&) override;
-	virtual void operator()(Switch&) override;
-	virtual void operator()(ForLoop&) override;
-	virtual void operator()(Block& _block) override;
+	void operator()(FunctionalInstruction&) override;
+	void operator()(FunctionCall&) override;
+	void operator()(If&) override;
+	void operator()(Switch&) override;
+	void operator()(ForLoop&) override;
+	void operator()(Block& _block) override;
 
 private:
 	/// Replaces the expression by a variable if it is a function call or functional
diff --git a/libyul/optimiser/FullInliner.h b/libyul/optimiser/FullInliner.h
index 66ce8e2f..8243160d 100644
--- a/libyul/optimiser/FullInliner.h
+++ b/libyul/optimiser/FullInliner.h
@@ -110,7 +110,7 @@ public:
 		m_nameDispenser(_nameDispenser)
 	{ }
 
-	virtual void operator()(Block& _block) override;
+	void operator()(Block& _block) override;
 
 private:
 	boost::optional<std::vector<Statement>> tryInlineStatement(Statement& _statement);
@@ -141,10 +141,10 @@ public:
 
 	using ASTCopier::operator ();
 
-	virtual Statement operator()(VariableDeclaration const& _varDecl) override;
-	virtual Statement operator()(FunctionDefinition const& _funDef) override;
+	Statement operator()(VariableDeclaration const& _varDecl) override;
+	Statement operator()(FunctionDefinition const& _funDef) override;
 
-	virtual YulString translateIdentifier(YulString _name) override;
+	YulString translateIdentifier(YulString _name) override;
 
 	NameDispenser& m_nameDispenser;
 	YulString m_varNamePrefix;
diff --git a/libyul/optimiser/InlinableExpressionFunctionFinder.h b/libyul/optimiser/InlinableExpressionFunctionFinder.h
index baf4bbfc..a96f042f 100644
--- a/libyul/optimiser/InlinableExpressionFunctionFinder.h
+++ b/libyul/optimiser/InlinableExpressionFunctionFinder.h
@@ -49,9 +49,9 @@ public:
 	}
 
 	using ASTWalker::operator();
-	virtual void operator()(Identifier const& _identifier) override;
-	virtual void operator()(FunctionCall const& _funCall) override;
-	virtual void operator()(FunctionDefinition const& _function) override;
+	void operator()(Identifier const& _identifier) override;
+	void operator()(FunctionCall const& _funCall) override;
+	void operator()(FunctionDefinition const& _function) override;
 
 private:
 	void checkAllowed(YulString _name)
diff --git a/libyul/optimiser/Metrics.h b/libyul/optimiser/Metrics.h
index 47c7ec79..e65110a8 100644
--- a/libyul/optimiser/Metrics.h
+++ b/libyul/optimiser/Metrics.h
@@ -41,8 +41,8 @@ public:
 	static size_t codeSize(Block const& _block);
 
 private:
-	virtual void visit(Statement const& _statement) override;
-	virtual void visit(Expression const& _expression) override;
+	void visit(Statement const& _statement) override;
+	void visit(Expression const& _expression) override;
 
 private:
 	size_t m_size = 0;
diff --git a/libyul/optimiser/NameCollector.h b/libyul/optimiser/NameCollector.h
index b76eec30..8ef0178d 100644
--- a/libyul/optimiser/NameCollector.h
+++ b/libyul/optimiser/NameCollector.h
@@ -42,8 +42,8 @@ public:
 	}
 
 	using ASTWalker::operator ();
-	virtual void operator()(VariableDeclaration const& _varDecl) override;
-	virtual void operator()(FunctionDefinition const& _funDef) override;
+	void operator()(VariableDeclaration const& _varDecl) override;
+	void operator()(FunctionDefinition const& _funDef) override;
 
 	std::set<YulString> names() const { return m_names; }
 private:
@@ -75,7 +75,7 @@ class Assignments: public ASTWalker
 {
 public:
 	using ASTWalker::operator ();
-	virtual void operator()(Assignment const& _assignment) override;
+	void operator()(Assignment const& _assignment) override;
 
 	std::set<YulString> const& names() const { return m_names; }
 private:
diff --git a/libyul/optimiser/Rematerialiser.h b/libyul/optimiser/Rematerialiser.h
index f82465eb..f0e7cb01 100644
--- a/libyul/optimiser/Rematerialiser.h
+++ b/libyul/optimiser/Rematerialiser.h
@@ -36,7 +36,7 @@ class Rematerialiser: public DataFlowAnalyzer
 {
 protected:
 	using ASTModifier::visit;
-	virtual void visit(Expression& _e) override;
+	void visit(Expression& _e) override;
 
 };
 
diff --git a/libyul/optimiser/SSAValueTracker.h b/libyul/optimiser/SSAValueTracker.h
index d1539c86..acd5229c 100644
--- a/libyul/optimiser/SSAValueTracker.h
+++ b/libyul/optimiser/SSAValueTracker.h
@@ -41,8 +41,8 @@ class SSAValueTracker: public ASTWalker
 {
 public:
 	using ASTWalker::operator();
-	virtual void operator()(VariableDeclaration const& _varDecl) override;
-	virtual void operator()(Assignment const& _assignment) override;
+	void operator()(VariableDeclaration const& _varDecl) override;
+	void operator()(Assignment const& _assignment) override;
 
 	std::map<YulString, Expression const*> const& values() const { return m_values; }
 	Expression const* value(YulString _name) const { return m_values.at(_name); }
diff --git a/libyul/optimiser/Semantics.h b/libyul/optimiser/Semantics.h
index 620a91cb..a7e8706b 100644
--- a/libyul/optimiser/Semantics.h
+++ b/libyul/optimiser/Semantics.h
@@ -38,12 +38,12 @@ public:
 	MovableChecker() = default;
 	explicit MovableChecker(Expression const& _expression);
 
-	virtual void operator()(Identifier const& _identifier) override;
-	virtual void operator()(FunctionalInstruction const& _functionalInstruction) override;
-	virtual void operator()(FunctionCall const& _functionCall) override;
+	void operator()(Identifier const& _identifier) override;
+	void operator()(FunctionalInstruction const& _functionalInstruction) override;
+	void operator()(FunctionCall const& _functionCall) override;
 
 	/// Disallow visiting anything apart from Expressions (this throws).
-	virtual void visit(Statement const&) override;
+	void visit(Statement const&) override;
 	using ASTWalker::visit;
 
 	bool movable() const { return m_movable; }
diff --git a/libyul/optimiser/Substitution.h b/libyul/optimiser/Substitution.h
index 59ee4620..3cc4b45e 100644
--- a/libyul/optimiser/Substitution.h
+++ b/libyul/optimiser/Substitution.h
@@ -40,7 +40,7 @@ public:
 	Substitution(std::map<YulString, Expression const*> const& _substitutions):
 		m_substitutions(_substitutions)
 	{}
-	virtual Expression translate(Expression const& _expression) override;
+	Expression translate(Expression const& _expression) override;
 
 private:
 	std::map<YulString, Expression const*> const& m_substitutions;
diff --git a/libyul/optimiser/UnusedPruner.h b/libyul/optimiser/UnusedPruner.h
index b5aea3dd..b5b46443 100644
--- a/libyul/optimiser/UnusedPruner.h
+++ b/libyul/optimiser/UnusedPruner.h
@@ -45,7 +45,7 @@ public:
 	explicit UnusedPruner(Block& _ast, std::set<YulString> const& _externallyUsedFunctions = {});
 
 	using ASTModifier::operator();
-	virtual void operator()(Block& _block) override;
+	void operator()(Block& _block) override;
 
 	// @returns true iff the code changed in the previous run.
 	bool shouldRunAgain() const { return m_shouldRunAgain; }