Add new tests for Efinix architecture.

Problems/questions:
	- fsm.ys. equiv_opt -assert failed because of unproven cells;
	- latches.ys,tribuf.ys - internal cells present;
	- memory.ys - sat called with -verify and proof did fail.

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/efinix/tribuf.v b/tests/efinix/tribuf.v
new file mode 100644
index 000000000..3fa6eb6c6
--- /dev/null
+++ b/tests/efinix/tribuf.v
@@ -0,0 +1,29 @@
+module tristate (en, i, o);
+    input en;
+    input i;
+    output reg o;
+`ifndef BUG 
+    
+    always @(en or i)
+		o <= (en)? i : 1'bZ;
+`else
+	
+    always @(en or i)
+		o <= (en)? ~i : 1'bZ;
+`endif
+endmodule
+
+
+module top (
+input en,
+input a,
+output b
+);
+
+tristate u_tri (
+        .en (en ),
+        .i (a ),
+        .o (b )
+    );
+
+endmodule