Merge 9e9213c011 into 63b3ce0c77

tests/various/cutpoint_blackbox.ys

@@ -0,0 +1,39 @@
+read_verilog -specify << EOT
+module top(input a, b, output o);
+    wire c, d, e;
+    bb #(.SOME_PARAM(1)) bb1 (.a (a), .b (b), .o (c));
+    bb #(.SOME_PARAM(2)) bb2 (.a (a), .b (b), .o (d));
+    wb wb1 (.a (a), .b (b), .o (e));
+    some_mod some_inst (.a (c), .b (d), .c (e), .o (o));
+endmodule
+
+(* blackbox *)
+module bb #( parameter SOME_PARAM=0 ) (input a, b, output o);
+assign o = a | b;
+specify
+	(a => o) = 1;
+endspecify
+endmodule
+
+(* whitebox *)
+module wb(input a, b, output o);
+assign o = a ^ b;
+endmodule
+
+module some_mod(input a, b, c, output o);
+assign o = a & (b | c);
+endmodule
+EOT
+
+hierarchy -top top
+
+select -assert-count 0 t:$anyseq
+select -assert-count 3 =t:?b
+cutpoint -blackbox
+
+select -assert-count 3 =t:?b
+select -assert-count 2 r:SOME_PARAM
+select -assert-count 1 r:SOME_PARAM=1
+
+flatten
+select -assert-count 3 t:$anyseq