Lines Matching defs:DstSub

415                                       unsigned &DstSub) {
418     DstSub = MI->getOperand(0).getSubReg();
423     DstSub = tri.composeSubRegIndices(MI->getOperand(0).getSubReg(),
455   unsigned SrcSub = 0, DstSub = 0;
456   if (!isMoveInstr(TRI, MI, Src, Dst, SrcSub, DstSub))
458   Partial = SrcSub || DstSub;
465     std::swap(SrcSub, DstSub);
472     // Eliminate DstSub on a physreg.
473     if (DstSub) {
474       Dst = TRI.getSubReg(Dst, DstSub);
477       DstSub = 0;
494     if (SrcSub && DstSub) {
496       if (Src == Dst && SrcSub != DstSub)
499       NewRC = TRI.getCommonSuperRegClass(SrcRC, SrcSub, DstRC, DstSub, SrcIdx,
503     } else if (DstSub) {
505       SrcIdx = DstSub;
506       NewRC = TRI.getMatchingSuperRegClass(DstRC, SrcRC, DstSub);
532   assert(!(Dst.isPhysical() && DstSub) && "Cannot have a physical SubIdx");
551   unsigned SrcSub = 0, DstSub = 0;
552   if (!isMoveInstr(TRI, MI, Src, Dst, SrcSub, DstSub))
558     std::swap(SrcSub, DstSub);
568     // DstSub could be set for a physreg from INSERT_SUBREG.
569     if (DstSub)
570       Dst = TRI.getSubReg(Dst, DstSub);
582            TRI.composeSubRegIndices(DstIdx, DstSub);