diff options
Diffstat (limited to 'tests/opt/opt_merge_keep.ys')
| -rw-r--r-- | tests/opt/opt_merge_keep.ys | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/opt/opt_merge_keep.ys b/tests/opt/opt_merge_keep.ys new file mode 100644 index 000000000..2a9202901 --- /dev/null +++ b/tests/opt/opt_merge_keep.ys @@ -0,0 +1,64 @@ +read_verilog -icells <<EOT +module top(input clk, i, output o, p); + (* keep *) + \$_DFF_P_ ffo ( + .C(clk), + .D(i), + .Q(o) + ); + \$_DFF_P_ ffp ( + .C(clk), + .D(i), + .Q(p) + ); +endmodule +EOT + +opt_merge +select -assert-count 1 t:$_DFF_P_ +select -assert-count 1 a:keep + + +design -reset +read_verilog -icells <<EOT +module top(input clk, i, output o, p); + \$_DFF_P_ ffo ( + .C(clk), + .D(i), + .Q(o) + ); + (* keep *) + \$_DFF_P_ ffp ( + .C(clk), + .D(i), + .Q(p) + ); +endmodule +EOT + +opt_merge +select -assert-count 1 t:$_DFF_P_ +select -assert-count 1 a:keep + + +design -reset +read_verilog -icells <<EOT +module top(input clk, i, output o, p); + (* keep *) + \$_DFF_P_ ffo ( + .C(clk), + .D(i), + .Q(o) + ); + (* keep *) + \$_DFF_P_ ffp ( + .C(clk), + .D(i), + .Q(p) + ); +endmodule +EOT + +opt_merge +select -assert-count 2 t:$_DFF_P_ +select -assert-count 2 a:keep |