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authorEddie Hung <eddie@fpgeh.com>2019-11-22 17:24:45 -0800
committerEddie Hung <eddie@fpgeh.com>2019-11-22 17:24:45 -0800
commit2c5dfd802d8323709a96993df4e2745c47d2905b (patch)
treeb54f1114cba6a2a5fefcebab2072d58b63153683 /tests
parent89a4a4d90f7d3229f69e80088531bf228dd500c6 (diff)
parent8119383f8198d621e88b54fdd615e352ecc576bb (diff)
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Merge remote-tracking branch 'origin/eddie/submod_po' into xaig_dff
Diffstat (limited to 'tests')
-rw-r--r--tests/various/submod.ys28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/various/submod.ys b/tests/various/submod.ys
index 271a8edef..a9d3fe672 100644
--- a/tests/various/submod.ys
+++ b/tests/various/submod.ys
@@ -23,3 +23,31 @@ design -import gate -as gate
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -show-ports miter
+
+
+design -reset
+read_verilog <<EOT
+module top(input a, output [1:0] b);
+(* submod="bar" *) sub s1(a, b[1]);
+assign b[0] = 1'b0;
+endmodule
+
+module sub(input a, output c);
+assign c = a;
+endmodule
+EOT
+
+hierarchy -top top
+proc
+design -save gold
+
+submod
+dump
+flatten
+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