69     MachineBasicBlock::instr_iterator BI = I.getInstrIterator();  in getPreviousVector()  local
71       BI++;  in getPreviousVector()
75       int BISlot = getSlot(*BI);  in getPreviousVector()
79       if (TII->isPredicated(*BI))  in getPreviousVector()
81       int OperandIdx = TII->getOperandIdx(BI->getOpcode(), R600::OpName::write);  in getPreviousVector()
82       if (OperandIdx > -1 && BI->getOperand(OperandIdx).getImm() == 0)  in getPreviousVector()
84       int DstIdx = TII->getOperandIdx(BI->getOpcode(), R600::OpName::dst);  in getPreviousVector()
88       Register Dst = BI->getOperand(DstIdx).getReg();  in getPreviousVector()
89       if (isTrans || TII->isTransOnly(*BI)) {  in getPreviousVector()
93       if (BI->getOpcode() == R600::DOT4_r600 ||  in getPreviousVector()
94           BI->getOpcode() == R600::DOT4_eg) {  in getPreviousVector()
119     } while ((++BI)->isBundledWithPred());  in getPreviousVector()