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Performance: Replace string by special single-copy YulString class.

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chriseth
2018-11-07 19:30:27 +01:00
parent 0a96f091ab
commit 674e17c2a8
59 changed files with 351 additions and 243 deletions
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libyul/optimiser/DataFlowAnalyzer.h
+9 -8
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@@ -24,7 +24,8 @@
#include <libyul/optimiser/ASTWalker.h>
#include <string>
#include <libyul/YulString.h>
#include <map>
#include <set>
@@ -54,7 +55,7 @@ public:
protected:
/// Registers the assignment.
void handleAssignment(std::set<std::string> const& _names, Expression* _value);
void handleAssignment(std::set<YulString> const& _names, Expression* _value);
/// Creates a new inner scope.
void pushScope(bool _functionScope);
@@ -64,22 +65,22 @@ protected:
/// Clears information about the values assigned to the given variables,
/// for example at points where control flow is merged.
void clearValues(std::set<std::string> _names);
void clearValues(std::set<YulString> _names);
/// Returns true iff the variable is in scope.
bool inScope(std::string const& _variableName) const;
bool inScope(YulString _variableName) const;
/// Current values of variables, always movable.
std::map<std::string, Expression const*> m_value;
std::map<YulString, Expression const*> m_value;
/// m_references[a].contains(b) <=> the current expression assigned to a references b
std::map<std::string, std::set<std::string>> m_references;
std::map<YulString, std::set<YulString>> m_references;
/// m_referencedBy[b].contains(a) <=> the current expression assigned to a references b
std::map<std::string, std::set<std::string>> m_referencedBy;
std::map<YulString, std::set<YulString>> m_referencedBy;
struct Scope
{
explicit Scope(bool _isFunction): isFunction(_isFunction) {}
std::set<std::string> variables;
std::set<YulString> variables;
bool isFunction;
};
/// List of scopes.