Lines Matching defs:Reads
906 bool Reads, Writes;
907 tie(Reads, Writes) = UseMI->readsWritesVirtualRegister(SrcReg, &Ops);
911 if (DstInt && !Reads && SubIdx)
912 Reads = DstInt->liveAt(LIS->getInstructionIndex(UseMI));
922 MO.setIsUndef(!Reads);
1756 // No need to check the instruction defining VNI for reads.
