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Code Issues Releases Wiki Activity

GP-4979 Better support for partial array optimizations

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This commit is contained in:
caheckman 2024-10-28 19:34:30 +00:00
parent 43655ab76c
commit 784540f1c0
14 changed files with 317 additions and 134 deletions
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16
Ghidra/Features/Decompiler/src/decompile/cpp/funcdata.hh
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@ -488,6 +488,8 @@ public:
Varnode *opStackLoad(AddrSpace *spc,uintb off,uint4 sz,PcodeOp *op,Varnode *stackptr,bool insertafter);
PcodeOp *opStackStore(AddrSpace *spc,uintb off,PcodeOp *op,bool insertafter);
void opUndoPtradd(PcodeOp *op,bool finalize); ///< Convert a CPUI_PTRADD back into a CPUI_INT_ADD
static int4 opFlipInPlaceTest(PcodeOp *op,vector<PcodeOp *> &fliplist);
void opFlipInPlaceExecute(vector<PcodeOp *> &fliplist);
/// \brief Start of PcodeOp objects with the given op-code
list<PcodeOp *>::const_iterator beginOp(OpCode opc) const { return obank.begin(opc); }
@ -563,6 +565,11 @@ public:
bool replaceLessequal(PcodeOp *op); ///< Replace INT_LESSEQUAL and INT_SLESSEQUAL expressions
bool distributeIntMultAdd(PcodeOp *op); ///< Distribute constant coefficient to additive input
bool collapseIntMultMult(Varnode *vn); ///< Collapse constant coefficients for two chained CPUI_INT_MULT
Varnode *buildCopyTemp(Varnode *vn,PcodeOp *point); ///< Create a COPY of given Varnode in a temporary register
static PcodeOp *cseFindInBlock(PcodeOp *op,Varnode *vn,BlockBasic *bl,PcodeOp *earliest);
PcodeOp *cseElimination(PcodeOp *op1,PcodeOp *op2);
void cseEliminateList(vector< pair<uintm,PcodeOp *> > &list,vector<Varnode *> &outlist);
static bool compareCallspecs(const FuncCallSpecs *a,const FuncCallSpecs *b);
#ifdef OPACTION_DEBUG
@ -688,14 +695,5 @@ public:
bool execute(PcodeOp *op,int4 slot,ParamTrial *t,bool allowFail);
};
extern int4 opFlipInPlaceTest(PcodeOp *op,vector<PcodeOp *> &fliplist);
extern void opFlipInPlaceExecute(Funcdata &data,vector<PcodeOp *> &fliplist);
extern PcodeOp *earliestUseInBlock(Varnode *vn,BlockBasic *bl);
extern PcodeOp *cseFindInBlock(PcodeOp *op,Varnode *vn,BlockBasic *bl,PcodeOp *earliest);
extern PcodeOp *cseElimination(Funcdata &data,PcodeOp *op1,PcodeOp *op2);
extern void cseEliminateList(Funcdata &data,vector< pair<uintm,PcodeOp *> > &list,
vector<Varnode *> &outlist);
} // End namespace ghidra
#endif