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-rw-r--r--icefuzz/tests/lut_cascade.v23
1 files changed, 23 insertions, 0 deletions
diff --git a/icefuzz/tests/lut_cascade.v b/icefuzz/tests/lut_cascade.v
new file mode 100644
index 0000000..fed55ba
--- /dev/null
+++ b/icefuzz/tests/lut_cascade.v
@@ -0,0 +1,23 @@
+module top (input a, b, c, d, e, f, g, output y);
+ wire cascade;
+
+ SB_LUT4 #(
+ .LUT_INIT(16'b 1100_1100_1100_1010)
+ ) src_lut (
+ .O(cascade),
+ .I0(a),
+ .I1(b),
+ .I2(c),
+ .I3(d)
+ );
+
+ SB_LUT4 #(
+ .LUT_INIT(16'b 1000_0100_0010_0001)
+ ) dst_lut (
+ .O(y),
+ .I0(e),
+ .I1(f),
+ .I2(cascade),
+ .I3(g)
+ );
+endmodule