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tests: add opt_expr tests

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Eddie Hung 2020-04-23 15:58:36 -07:00
parent e7058593f4
commit b84415094c
5 changed files with 365 additions and 0 deletions
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tests/opt/opt_expr_and.ys Normal file
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# Single-bit $and
read_verilog -noopt <<EOT
module gold(input i, output o);
assign o = 1'bx & i;
endmodule
EOT
select -assert-count 1 t:$and
copy gold coarse
copy gold fine
copy gold coarse_keepdc
copy gold fine_keepdc
cd coarse
opt_expr
select -assert-none c:*
cd fine
simplemap
opt_expr
select -assert-none c:*
cd
miter -equiv -flatten -make_assert -make_outputs -ignore_gold_x gold coarse miter
sat -verify -prove-asserts -show-ports -enable_undef miter
miter -equiv -flatten -make_assert -make_outputs coarse fine miter2
sat -verify -prove-asserts -show-ports -enable_undef miter2
cd coarse_keepdc
opt_expr -keepdc
select -assert-count 1 c:*
cd fine_keepdc
simplemap
opt_expr -keepdc
select -assert-count 1 c:*
cd
miter -equiv -flatten -make_assert -make_outputs gold coarse_keepdc miter3
sat -verify -prove-asserts -show-ports -enable_undef miter3
miter -equiv -flatten -make_assert -make_outputs coarse_keepdc fine_keepdc miter4
sat -verify -prove-asserts -show-ports -enable_undef miter4
# Multi-bit $and
design -reset
read_verilog -noopt <<EOT
module gold(input i, output [6:0] o);
assign o = {1'bx, 1'b0, 1'b0, 1'b1, 1'bx, 1'b1, i} & {7{i}};
endmodule
EOT
select -assert-count 1 t:$and
copy gold coarse
copy gold fine
copy gold coarse_keepdc
copy gold fine_keepdc
cd coarse
opt_expr -fine
select -assert-none c:*
cd fine
simplemap
opt_expr
select -assert-none c:*
cd
miter -equiv -flatten -make_assert -make_outputs -ignore_gold_x gold coarse miter
sat -verify -prove-asserts -show-ports -enable_undef miter
miter -equiv -flatten -make_assert -make_outputs coarse fine miter2
sat -verify -prove-asserts -show-ports -enable_undef miter2
cd coarse_keepdc
opt_expr -fine -keepdc
select -assert-count 1 c:*
cd fine_keepdc
simplemap
opt_expr -keepdc
select -assert-count 2 c:*
cd
miter -equiv -flatten -make_assert -make_outputs gold coarse_keepdc miter3
sat -verify -prove-asserts -show-ports -enable_undef miter3
miter -equiv -flatten -make_assert -make_outputs coarse_keepdc fine_keepdc miter4
sat -verify -prove-asserts -show-ports -enable_undef miter4