From 51b39219cda35e782fe4372409edf5432f86741f Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 6 Aug 2019 15:24:49 -0700
Subject: [PATCH] Move LSB tests from wreduce to opt_expr

---
 tests/various/opt_expr.ys |  98 ++++++++++++++++++++++++++++++++++++
 tests/various/wreduce.ys  | 102 ++------------------------------------
 2 files changed, 101 insertions(+), 99 deletions(-)
 create mode 100644 tests/various/opt_expr.ys

diff --git a/tests/various/opt_expr.ys b/tests/various/opt_expr.ys
new file mode 100644
index 000000000..2165802d6
--- /dev/null
+++ b/tests/various/opt_expr.ys
@@ -0,0 +1,98 @@
+
+read_verilog <<EOT
+module opt_expr_add_test(input [3:0] i, input [7:0] j, output [8:0] o);
+    assign o = (i << 4) + j;
+endmodule
+EOT
+
+hierarchy -auto-top
+proc
+design -save gold
+
+opt_expr -fine
+wreduce
+
+select -assert-count 1 t:$add r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
+
+design -stash gate
+
+design -import gold -as gold
+design -import gate -as gate
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -show-ports miter
+
+##########
+
+read_verilog <<EOT
+module opt_expr_sub_test1(input [3:0] i, input [7:0] j, output [8:0] o);
+    assign o = j - (i << 4);
+endmodule
+EOT
+
+hierarchy -auto-top
+proc
+design -save gold
+
+opt_expr -fine
+wreduce
+
+select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
+
+design -stash gate
+
+design -import gold -as gold
+design -import gate -as gate
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -show-ports miter
+
+##########
+
+read_verilog <<EOT
+module opt_expr_sub_test2(input [3:0] i, input [7:0] j, output [8:0] o);
+    assign o = (i << 4) - j;
+endmodule
+EOT
+
+hierarchy -auto-top
+proc
+design -save gold
+
+opt_expr -fine
+wreduce
+
+select -assert-count 1 t:$sub r:A_WIDTH=8 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i
+
+design -stash gate
+
+design -import gold -as gold
+design -import gate -as gate
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -show-ports miter
+
+##########
+
+read_verilog <<EOT
+module opt_expr_sub_test4(input [3:0] i, output [8:0] o);
+    assign o = 5'b00010 - i;
+endmodule
+EOT
+
+hierarchy -auto-top
+proc
+design -save gold
+
+opt_expr -fine
+wreduce
+
+select -assert-count 1 t:$sub r:A_WIDTH=2 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
+
+design -stash gate
+
+design -import gold -as gold
+design -import gate -as gate
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -show-ports miter
diff --git a/tests/various/wreduce.ys b/tests/various/wreduce.ys
index deb99304d..7e4f1765a 100644
--- a/tests/various/wreduce.ys
+++ b/tests/various/wreduce.ys
@@ -1,78 +1,5 @@
-
-read_verilog <<EOT
-module wreduce_add_test(input [3:0] i, input [7:0] j, output [8:0] o);
-    assign o = (i << 4) + j;
-endmodule
-EOT
-
-hierarchy -auto-top
-proc
-design -save gold
-
-prep # calls wreduce
-
-select -assert-count 1 t:$add r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
-
-design -stash gate
-
-design -import gold -as gold
-design -import gate -as gate
-
-miter -equiv -flatten -make_assert -make_outputs gold gate miter
-sat -verify -prove-asserts -show-ports miter
-
-##########
-
-read_verilog <<EOT
-module wreduce_sub_test1(input [3:0] i, input [7:0] j, output [8:0] o);
-    assign o = j - (i << 4);
-endmodule
-EOT
-
-hierarchy -auto-top
-proc
-design -save gold
-
-prep # calls wreduce
-
-select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
-
-design -stash gate
-
-design -import gold -as gold
-design -import gate -as gate
-
-miter -equiv -flatten -make_assert -make_outputs gold gate miter
-sat -verify -prove-asserts -show-ports miter
-
-##########
-
-read_verilog <<EOT
-module wreduce_sub_test2(input [3:0] i, input [7:0] j, output [8:0] o);
-    assign o = (i << 4) - j;
-endmodule
-EOT
-
-hierarchy -auto-top
-proc
-design -save gold
-
-prep # calls wreduce
-
-select -assert-count 1 t:$sub r:A_WIDTH=8 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i
-
-design -stash gate
-
-design -import gold -as gold
-design -import gate -as gate
-
-miter -equiv -flatten -make_assert -make_outputs gold gate miter
-sat -verify -prove-asserts -show-ports miter
-
-##########
-
 read_verilog <<EOT
-module wreduce_sub_test3(input [3:0] i, input [7:0] j, output [8:0] o);
+module wreduce_sub_test(input [3:0] i, input [7:0] j, output [8:0] o);
     assign o = (j >> 4) - i;
 endmodule
 EOT
@@ -81,7 +8,8 @@ hierarchy -auto-top
 proc
 design -save gold
 
-prep # calls wreduce
+opt_expr
+wreduce
 
 select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
 
@@ -92,27 +20,3 @@ design -import gate -as gate
 
 miter -equiv -flatten -make_assert -make_outputs gold gate miter
 sat -verify -prove-asserts -show-ports miter
-
-##########
-
-read_verilog <<EOT
-module wreduce_sub_test4(input [3:0] i, output [8:0] o);
-    assign o = 5'b00010 - i;
-endmodule
-EOT
-
-hierarchy -auto-top
-proc
-design -save gold
-
-prep # calls wreduce
-
-select -assert-count 1 t:$sub r:A_WIDTH=2 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i
-
-design -stash gate
-
-design -import gold -as gold
-design -import gate -as gate
-
-miter -equiv -flatten -make_assert -make_outputs gold gate miter
-sat -verify -prove-asserts -show-ports miter
-- 
2.30.2