aboutsummaryrefslogtreecommitdiffstats
path: root/tests
diff options
context:
space:
mode:
authorEddie Hung <eddie@fpgeh.com>2019-07-02 19:13:40 -0700
committerEddie Hung <eddie@fpgeh.com>2019-07-02 19:13:40 -0700
commit9c556e3c02a8b25fbcd764e019e3870d021684ec (patch)
tree29791c2eae98a8401593b309be831c9546aebb6a /tests
parent0447794c51ce1b77c2bd846ad5c09637f42f8612 (diff)
downloadyosys-9c556e3c02a8b25fbcd764e019e3870d021684ec.tar.gz
yosys-9c556e3c02a8b25fbcd764e019e3870d021684ec.tar.bz2
yosys-9c556e3c02a8b25fbcd764e019e3870d021684ec.zip
Add test
Diffstat (limited to 'tests')
-rw-r--r--tests/various/abc9.v4
-rw-r--r--tests/various/abc9.ys10
2 files changed, 14 insertions, 0 deletions
diff --git a/tests/various/abc9.v b/tests/various/abc9.v
index 8271cd249..a08b613a8 100644
--- a/tests/various/abc9.v
+++ b/tests/various/abc9.v
@@ -3,3 +3,7 @@ initial o = 1'b0;
always @*
o <= ~o;
endmodule
+
+module abc9_test028(input i, output o);
+unknown u(~i, o);
+endmodule
diff --git a/tests/various/abc9.ys b/tests/various/abc9.ys
index 922f7005d..a84b637d9 100644
--- a/tests/various/abc9.ys
+++ b/tests/various/abc9.ys
@@ -1,4 +1,6 @@
read_verilog abc9.v
+design -save read
+hierarchy -top abc9_test027
proc
design -save gold
@@ -12,3 +14,11 @@ design -import gate -as gate
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -show-ports miter
+design -load read
+hierarchy -top abc9_test028
+proc
+
+abc9 -lut 4
+select -assert-count 1 t:$lut r:LUT=1 r:WIDTH=1 %i %i
+select -assert-count 1 t:unknown
+select -assert-none t:$lut t:unknown %% t: %D