read_rtlil mods.il
select -assert-count 7 w:*
select -assert-mod-count 3 =*
select -assert-count 4 c:*
design -stash base

# everything is removed by default
design -load base
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3
select -assert-count 1 w:*
select -assert-mod-count 1 =*
select -assert-none c:*

# don't remove wires
design -load base
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3 -modules -cells
select -assert-count 3 w:*
select -assert-mod-count 1 =*
select -assert-none c:*

# don't remove cells or their connections
design -load base
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3 -wires -modules
select -assert-count 5 w:*
select -assert-mod-count 1 =*
select -assert-count 4 c:*

# don't remove cells but do remove their connections
design -load base
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3 -wires -modules -connections
select -assert-count 1 w:*
select -assert-mod-count 1 =*
select -assert-count 4 c:*

# don't remove modules
design -load base
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3 -wires -cells
select -assert-count 1 w:*
select -assert-mod-count 3 =*
select -assert-none c:*

# can keep wires
design -load base
setattr -set bugpoint_keep 1 w:w_b
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3
select -assert-count 2 w:*
select -assert-mod-count 1 =*
select -assert-none c:*

# a wire with keep won't keep the cell/module containing it
design -load base
setattr -set bugpoint_keep 1 w:w_o
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3
select -assert-count 1 w:*
select -assert-mod-count 1 =*
select -assert-none c:*

# can keep cells (and do it without the associated module)
design -load base
setattr -set bugpoint_keep 1 c:c_a
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3
select -assert-count 1 w:*
select -assert-mod-count 1 =*
select -assert-count 1 c:*

# can keep modules
design -load base
setattr -mod -set bugpoint_keep 1 m_a
bugpoint -suffix mods -yosys ../../yosys -command raise_error -expect-return 3
select -assert-count 1 w:*
select -assert-mod-count 2 =*
select -assert-none c:*

# minimize to just the path connecting w_a and w_c
# which happens via w_b, w_i, w_o, m_a, c_a and c_b
write_file script.temp << EOF
select -assert-none w:w_a %co* w:w_c %ci* %i
EOF
design -load base
bugpoint -suffix mods -yosys ../../yosys -script script.temp -grep "Assertion failed"
select -assert-count 5 w:*
select -assert-mod-count 2 =*
select -assert-count 2 c:*