Displaying 2 results from an estimated 2 matches for "mapptr".
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mapper
2019 Jul 03
2
optimisation issue in an llvm IR pass
...c
-> Below now is the full llvm IR pass code
// vvv same code before both variants
LoadInst *PrevLoc = IRB.CreateLoad(AFLPrevLoc);
PrevLoc->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None));
Value *PrevLocCasted = IRB.CreateZExt(PrevLoc, IRB.getInt32Ty());
LoadInst *MapPtr = IRB.CreateLoad(AFLMapPtr);
MapPtr->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None));
Value *MapPtrIdx = IRB.CreateGEP(MapPtr, IRB.CreateXor(PrevLocCasted,
CurLoc));
LoadInst *Counter = IRB.CreateLoad(MapPtrIdx);
Counter->setMetadata(M.getMDKindID("nosanitize&qu...
2019 Jul 03
3
optimisation issue in an llvm IR pass
...> // vvv same code before both variants
> LoadInst *PrevLoc = IRB.CreateLoad(AFLPrevLoc);
> PrevLoc->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None));
> Value *PrevLocCasted = IRB.CreateZExt(PrevLoc, IRB.getInt32Ty());
>
> LoadInst *MapPtr = IRB.CreateLoad(AFLMapPtr);
> MapPtr->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None));
> Value *MapPtrIdx = IRB.CreateGEP(MapPtr, IRB.CreateXor(PrevLocCasted,
> CurLoc));
>
> LoadInst *Counter = IRB.CreateLoad(MapPtrIdx);
> Counter...