From 2b777bbda8ec46033244230e4e0d6bcea2822fa7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcelina=20Ko=C5=9Bcielnicka?= <mwk@0x04.net>
Date: Mon, 17 Aug 2020 17:13:17 +0200
Subject: opt_share: Refactor, fix some bugs.

Fixes #2334.
Fixes #2335.
Fixes #2336.
---
 tests/opt/opt_share_bug2335.ys | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/opt/opt_share_bug2335.ys

(limited to 'tests/opt/opt_share_bug2335.ys')

diff --git a/tests/opt/opt_share_bug2335.ys b/tests/opt/opt_share_bug2335.ys
new file mode 100644
index 000000000..0846a9ec3
--- /dev/null
+++ b/tests/opt/opt_share_bug2335.ys
@@ -0,0 +1,27 @@
+read_verilog <<EOT
+
+module top(...);
+
+input [3:0] A, B, C;
+input S;
+input [1:0] T;
+output [3:0] X;
+output reg [3:0] Y;
+
+wire [3:0] D = A + B;
+
+assign X = S ? D : A + C;
+always @* begin
+        case(T)
+        2'b01: Y <= A;
+        2'b10: Y <= B;
+        default: Y <= D;
+        endcase
+end
+
+endmodule
+
+EOT
+
+proc
+equiv_opt -assert opt_share
-- 
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