read_rtlil procs.il
select -assert-count 2 p:*
design -stash err_q

# processes get removed by default
design -load err_q
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4
select -assert-none p:*

# individual processes can be kept
design -load err_q
setattr -set bugpoint_keep 1 p:proc_a
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4
select -assert-count 1 p:*

# all processes can be kept
design -load err_q
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4 -wires
select -assert-count 2 p:*

# d and clock are connected after proc
design -load err_q
proc
select -assert-count 3 w:d %co
select -assert-count 3 w:clock %co

# no assigns means no d
design -load err_q
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4 -assigns
proc
select -assert-count 1 w:d %co

# no updates means no clock
design -load err_q
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4 -updates
proc
select -assert-count 1 w:clock %co

# can remove ports
design -load err_q
select -assert-count 5 x:*
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4 -ports
select -assert-none x:*

# can keep ports
design -load err_q
setattr -set bugpoint_keep 1 i:d o:q
bugpoint -suffix procs -yosys ../../yosys -command raise_error -expect-return 4 -ports
select -assert-count 2 x:*