File list (Check if you may need any files):
pll_prj
.......\db
.......\..\logic_util_heursitic.dat
.......\..\pll_prj.db_info
.......\..\pll_prj.sld_design_entry.sci
.......\..\prev_cmp_pll_prj.eda.qmsg
.......\..\prev_cmp_pll_prj.fit.qmsg
.......\..\prev_cmp_pll_prj.map.qmsg
.......\..\prev_cmp_pll_prj.qmsg
.......\incremental_db
.......\..............\README
.......\..............\compiled_partitions
.......\..............\...................\pll_prj.db_info
.......\..............\...................\pll_prj.root_partition.cmp.dfp
.......\..............\...................\pll_prj.root_partition.cmp.kpt
.......\..............\...................\pll_prj.root_partition.cmp.logdb
.......\..............\...................\pll_prj.root_partition.map.dpi
.......\..............\...................\pll_prj.root_partition.map.kpt
.......\..............\...................\pll_prj.root_partition.merge_hb.atm
.......\pll_ctrl.ppf
.......\pll_ctrl.qip
.......\pll_ctrl.v
.......\pll_ctrl_bb.v
.......\pll_ctrl_inst.v
.......\pll_prj.asm.rpt
.......\pll_prj.done
.......\pll_prj.dpf
.......\pll_prj.eda.rpt
.......\pll_prj.fit.rpt
.......\pll_prj.fit.summary
.......\pll_prj.flow.rpt
.......\pll_prj.map.rpt
.......\pll_prj.map.summary
.......\pll_prj.pin
.......\pll_prj.pof
.......\pll_prj.qpf
.......\pll_prj.qsf
.......\pll_prj.qws
.......\pll_prj.sof
.......\pll_prj.v
.......\pll_prj_assignment_defaults.qdf
.......\pll_prj_nativelink_simulation.rpt
.......\simulation
.......\..........\modelsim
.......\..........\........\modelsim.ini
.......\..........\........\msim_transcript
.......\..........\........\pll_prj.vt
.......\..........\........\pll_prj_run_msim_rtl_verilog.do
.......\..........\........\rtl_work
.......\..........\........\........\_info
.......\..........\........\........\_temp
.......\..........\........\........\_vmake
.......\..........\........\........\pll_ctrl
.......\..........\........\........\........\_primary.dat
.......\..........\........\........\........\_primary.dbs
.......\..........\........\........\........\_primary.vhd
.......\..........\........\........\........\verilog.prw
.......\..........\........\........\........\verilog.psm
.......\..........\........\........\pll_prj
.......\..........\........\........\.......\_primary.dat
.......\..........\........\........\.......\_primary.dbs
.......\..........\........\........\.......\_primary.vhd
.......\..........\........\........\.......\verilog.prw
.......\..........\........\........\.......\verilog.psm
.......\..........\........\........\pll_prj_vlg_tst
.......\..........\........\........\...............\_primary.dat
.......\..........\........\........\...............\_primary.dbs
.......\..........\........\........\...............\_primary.vhd
.......\..........\........\........\...............\verilog.prw
.......\..........\........\........\...............\verilog.psm
.......\..........\........\vsim.wlf