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Code Issues Releases Wiki Activity

First pass at removing redundant COPYs

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This commit is contained in:
caheckman 2019-04-25 15:05:03 -04:00
parent 5fa4e7a225
commit 9f6dd7edfe
6 changed files with 165 additions and 7 deletions
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3
Ghidra/Features/Decompiler/src/decompile/cpp/merge.hh
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@ -89,6 +89,7 @@ class Merge {
static bool mergeTestBasic(Varnode *vn);
static void findSingleCopy(HighVariable *high,vector<Varnode *> &singlelist);
static bool compareHighByBlock(const HighVariable *a,const HighVariable *b);
static bool compareCopyByInVarnode(PcodeOp *op1,PcodeOp *op2);
void collectCovering(vector<Varnode *> &vlist,HighVariable *high,PcodeOp *op);
bool collectCorrectable(const vector<Varnode *> &vlist,list<PcodeOp *> &oplist,vector<int4> &slotlist,
PcodeOp *op);
@ -103,6 +104,7 @@ class Merge {
void mergeIndirect(PcodeOp *indop);
void mergeLinear(vector<HighVariable *> &highvec);
bool merge(HighVariable *high1,HighVariable *high2,bool isspeculative);
bool checkCopyPair(HighVariable *high,PcodeOp *domOp,PcodeOp *subOp);
public:
Merge(Funcdata &fd) : data(fd) {} ///< Construct given a specific function
bool intersection(HighVariable *a,HighVariable *b);
@ -116,6 +118,7 @@ public:
void mergeMarker(void);
void mergeAdjacent(void);
bool hideShadows(HighVariable *high);
bool markRedundantCopies(HighVariable *high);
};
/// \brief Compare HighVariables by the blocks they cover