4595   SmallVector<Register> SplitSrcs;  in fewerElementsVectorReductions()  local
4597   extractParts(SrcReg, NarrowTy, NumParts, SplitSrcs);  in fewerElementsVectorReductions()
4601         MIRBuilder.buildInstr(Opc, {DstTy}, {SplitSrcs[Part]}).getReg(0));  in fewerElementsVectorReductions()
4676   SmallVector<Register> SplitSrcs;  in tryNarrowPow2Reduction()  local
4679                SrcTy.getNumElements() / NarrowTy.getNumElements(), SplitSrcs);  in tryNarrowPow2Reduction()
4682   while (SplitSrcs.size() > 1) {  in tryNarrowPow2Reduction()
4684     for (unsigned Idx = 0; Idx < SplitSrcs.size()-1; Idx += 2) {  in tryNarrowPow2Reduction()
4685       Register LHS = SplitSrcs[Idx];  in tryNarrowPow2Reduction()
4686       Register RHS = SplitSrcs[Idx + 1];  in tryNarrowPow2Reduction()
4692     SplitSrcs = std::move(PartialRdxs);  in tryNarrowPow2Reduction()
4696   MI.getOperand(1).setReg(SplitSrcs[0]);  in tryNarrowPow2Reduction()