Lines Matching defs:DstSub

419                                       unsigned &DstSub) {
422       DstSub = MI->getOperand(0).getSubReg();
427       DstSub = tri.composeSubRegIndices(MI->getOperand(0).getSubReg(),
459   unsigned SrcSub = 0, DstSub = 0;
460   if (!isMoveInstr(TRI, MI, Src, Dst, SrcSub, DstSub))
462   Partial = SrcSub || DstSub;
469     std::swap(SrcSub, DstSub);
476     // Eliminate DstSub on a physreg.
477     if (DstSub) {
478       Dst = TRI.getSubReg(Dst, DstSub);
480       DstSub = 0;
496     if (SrcSub && DstSub) {
498       if (Src == Dst && SrcSub != DstSub)
501       NewRC = TRI.getCommonSuperRegClass(SrcRC, SrcSub, DstRC, DstSub,
505     } else if (DstSub) {
507       SrcIdx = DstSub;
508       NewRC = TRI.getMatchingSuperRegClass(DstRC, SrcRC, DstSub);
534   assert(!(Dst.isPhysical() && DstSub) && "Cannot have a physical SubIdx");
553   unsigned SrcSub = 0, DstSub = 0;
554   if (!isMoveInstr(TRI, MI, Src, Dst, SrcSub, DstSub))
560     std::swap(SrcSub, DstSub);
570     // DstSub could be set for a physreg from INSERT_SUBREG.
571     if (DstSub)
572       Dst = TRI.getSubReg(Dst, DstSub);
584            TRI.composeSubRegIndices(DstIdx, DstSub);