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-rw-r--r--tests/opt/opt_share_large_pmux_multipart.v23
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/opt/opt_share_large_pmux_multipart.v b/tests/opt/opt_share_large_pmux_multipart.v
new file mode 100644
index 000000000..535adf96f
--- /dev/null
+++ b/tests/opt/opt_share_large_pmux_multipart.v
@@ -0,0 +1,23 @@
+module opt_share_test(
+ input [15:0] a,
+ input [15:0] b,
+ input [15:0] c,
+ input [15:0] d,
+ input [2:0] sel,
+ output reg [15:0] res
+ );
+
+ always @* begin
+ case(sel)
+ 0: res = a + d;
+ 1: res = a - b;
+ 2: res = b;
+ 3: res = b - c;
+ 4: res = b - a;
+ 5: res = c;
+ 6: res = a - c;
+ default: res = 16'bx;
+ endcase
+ end
+
+endmodule