oscar64/oscar64/GlobalOptimizer.h

45 lines
1.2 KiB
C++

#pragma once
#include "Declaration.h"
#include "Linker.h"
#include "CompilerTypes.h"
class GlobalOptimizer
{
public:
GlobalOptimizer(Errors* errors, Linker* linker);
~GlobalOptimizer(void);
void Reset(void);
bool Optimize(void);
void AnalyzeProcedure(Expression* exp, Declaration* dec);
void AnalyzeAssembler(Expression* exp, Declaration* dec);
void AnalyzeGlobalVariable(Declaration* dec);
uint64 mCompilerOptions;
protected:
Errors* mErrors;
Linker* mLinker;
ExpandingArray<Declaration*> mCalledFunctions, mCallingFunctions, mVariableFunctions, mFunctions;
ExpandingArray<Declaration*> mGlobalVariables;
void AnalyzeInit(Declaration* mdec);
Declaration* Analyze(Expression* exp, Declaration* procDec, uint32 flags);
void RegisterCall(Declaration* from, Declaration* to);
void RegisterProc(Declaration* to);
void RemoveValueReturn(Expression* exp);
bool CheckConstReturns(Expression*& exp);
bool CheckUnusedLocals(Expression*& exp);
void UndoParamReference(Expression* exp, Declaration* param);
bool ReplaceParamConst(Expression* exp, Declaration* param);
void PropagateCommas(Expression*& exp);
void PropagateParamCommas(Expression *& fexp, Expression*& exp);
bool ReplaceGlobalConst(Expression* exp);
};