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source $::env(SCRIPTS_DIR)/load.tcl
erase_non_stage_variables final
load_design 5_route.odb 5_route.sdc
source_step_tcl PRE DENSITY_FILL

if { $::env(USE_FILL) } {
  set_propagated_clock [all_clocks]
  density_fill -rules $::env(FILL_CONFIG)
  # The .v file is just for debugging purposes, not a result of
  # this stage.
  write_verilog $::env(RESULTS_DIR)/6_1_fill.v
  orfs_write_db $::env(RESULTS_DIR)/6_1_fill.odb
} else {
  orfs_copy_db $::env(RESULTS_DIR)/5_route.odb $::env(RESULTS_DIR)/6_1_fill.odb
  # There is no 5_route.v file to copy
}

source_step_tcl POST DENSITY_FILL