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-rw-r--r--tests/various/port_sign_extend.ys22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/various/port_sign_extend.ys b/tests/various/port_sign_extend.ys
new file mode 100644
index 000000000..0a6a93810
--- /dev/null
+++ b/tests/various/port_sign_extend.ys
@@ -0,0 +1,22 @@
+read_verilog port_sign_extend.v
+hierarchy
+flatten
+equiv_make ref act equiv
+equiv_simple
+equiv_status -assert
+
+delete
+
+read_verilog port_sign_extend.v
+flatten
+equiv_make ref act equiv
+equiv_simple
+equiv_status -assert
+
+delete
+
+read_verilog port_sign_extend.v
+hierarchy
+equiv_make ref act equiv
+prep -flatten -top equiv
+equiv_status -assert