auto range = rewriter.create<mhlo::SubtractOp>(op.getLoc(), limit, start);
    auto abs = rewriter.create<mhlo::AbsOp>(op.getLoc(), range);

    // Delta is not necessarily the same type as start and limit.
    auto abs_cast =
        rewriter.create<mhlo::ConvertOp>(op.getLoc(), compute_type, abs);
    auto delta_cast =
        rewriter.create<mhlo::ConvertOp>(op.getLoc(), compute_type, delta);

		p.Pos = p.Pos.WithNotStmt()
	}
	return p
}

// Pc returns the current Prog.
func (s *State) Pc() *obj.Prog {
	return s.pp.Next
}

// SetPos sets the current source position.
func (s *State) SetPos(pos src.XPos) {
	s.pp.Pos = pos
}

// Br emits a single branch instruction and returns the instruction.
// Not all architectures need the returned instruction, but otherwise