Lines Matching defs:SrcSub

414                                       Register &Dst, unsigned &SrcSub,
420     SrcSub = MI->getOperand(1).getSubReg();
426     SrcSub = MI->getOperand(2).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);
480     // Eliminate SrcSub by picking a corresponding Dst superregister.
481     if (SrcSub) {
482       Dst = TRI.getMatchingSuperReg(Dst, SrcSub, MRI.getRegClass(Src));
494     if (SrcSub && DstSub) {
496       if (Src == Dst && SrcSub != DstSub)
499       NewRC = TRI.getCommonSuperRegClass(SrcRC, SrcSub, DstRC, DstSub, SrcIdx,
507     } else if (SrcSub) {
509       DstIdx = SrcSub;
510       NewRC = TRI.getMatchingSuperRegClass(SrcRC, DstRC, SrcSub);
551   unsigned SrcSub = 0, DstSub = 0;
552   if (!isMoveInstr(TRI, MI, Src, Dst, SrcSub, DstSub))
558     std::swap(SrcSub, DstSub);
572     if (!SrcSub)
575     return Register(TRI.getSubReg(DstReg, SrcSub)) == Dst;
581     return TRI.composeSubRegIndices(SrcIdx, SrcSub) ==