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dfflegalize: Add tests.

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Marcelina Kościelnicka 2020-06-30 15:30:59 +02:00
parent e3564b4502
commit 6b42819a37
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tests/techmap/dfflegalize_sr.ys Normal file
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read_verilog -icells <<EOT
module sr(input R, S, output [2:0] Q);
$_SR_PP_ ff0 (.R(R), .S(S), .Q(Q[0]));
$_SR_PN_ ff1 (.R(R), .S(S), .Q(Q[1]));
$_SR_NP_ ff2 (.R(R), .S(S), .Q(Q[2]));
endmodule
EOT
design -save orig
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x
# Convert everything to SRs.
design -load orig
dfflegalize -cell $_SR_PP_ x
select -assert-count 2 t:$_NOT_
select -assert-count 3 t:$_SR_PP_
select -assert-none t:$_SR_PP_ t:$_NOT_ %% %n t:* %i
# Convert everything to ADLATCHs.
design -load orig
dfflegalize -cell $_DLATCH_PP0_ x
select -assert-count 2 t:$_NOT_
select -assert-count 3 t:$_DLATCH_PP0_
select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i
design -load orig
dfflegalize -cell $_DLATCH_PP1_ x
select -assert-count 8 t:$_NOT_
select -assert-count 3 t:$_DLATCH_PP1_
select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i
# Convert everything to DLATCHSRs.
design -load orig
dfflegalize -cell $_DLATCHSR_PPP_ x
select -assert-count 2 t:$_NOT_
select -assert-count 3 t:$_DLATCHSR_PPP_
select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i
# Convert everything to DFFSRs.
design -load orig
dfflegalize -cell $_DFFSR_PPP_ x
select -assert-count 2 t:$_NOT_
select -assert-count 3 t:$_DFFSR_PPP_
select -assert-none t:$_DFFSR_PPP_ t:$_NOT_ %% %n t:* %i
# Convert everything to DFFSREs.
design -load orig
dfflegalize -cell $_DFFSRE_PPPP_ x
select -assert-count 2 t:$_NOT_
select -assert-count 3 t:$_DFFSRE_PPPP_
select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ %% %n t:* %i