search for: cur_loc

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optimisation issue in an llvm IR pass
2019 Jul 03
2
optimisation issue in an llvm IR pass
...f = IRB.CreateICmpULT(Incr, ConstantInt::get(Int8Ty, 1)); Incr = IRB.CreateAdd(Incr, cf); // vvv same code after both variants IRB.CreateStore(Incr, MapPtrIdx)->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None)); StoreInst *Store = IRB.CreateStore(ConstantInt::get(Int32Ty, cur_loc >> 1), AFLPrevLoc); Store->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None)); // ^^^ same code after both variants -- Marc Heuse www.mh-sec.de PGP: AF3D 1D4C D810 F0BB 977D 3807 C7EE D0A0 6BE9 F573
optimisation issue in an llvm IR pass
2019 Jul 03
3
optimisation issue in an llvm IR pass
...gt; Incr = IRB.CreateAdd(Incr, cf); > > // vvv same code after both variants > IRB.CreateStore(Incr, > MapPtrIdx)->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, > None)); > StoreInst *Store = IRB.CreateStore(ConstantInt::get(Int32Ty, cur_loc >> > 1), AFLPrevLoc); > Store->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None)); > // ^^^ same code after both variants > > > -- > Marc Heuse > www.mh-sec.de <http://www.mh-sec.de> > > PGP: AF3D 1D4...