From: Marcelina Kościelnicka <mwk@0x04.net>
Date: Tue, 23 Feb 2021 20:23:26 +0000 (+0100)
Subject: Add tests for some common techmap files.
X-Git-Tag: working-ls180~39
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b05b98521c781fef0f9d900a53310cad9e1434b0;p=yosys.git

Add tests for some common techmap files.
---

diff --git a/tests/techmap/adff2dff.ys b/tests/techmap/adff2dff.ys
new file mode 100644
index 000000000..53f7d2f08
--- /dev/null
+++ b/tests/techmap/adff2dff.ys
@@ -0,0 +1,19 @@
+read_verilog -icells << EOT
+module top(...);
+
+input [1:0] D;
+input C, R;
+output [1:0] Q;
+
+always @(posedge C, posedge R)
+  if (R)
+    Q <= 0;
+  else
+    Q <= D;
+
+endmodule
+EOT
+
+proc
+
+equiv_opt -async2sync techmap -map +/adff2dff.v
diff --git a/tests/techmap/dff2ff.ys b/tests/techmap/dff2ff.ys
new file mode 100644
index 000000000..5adf14b07
--- /dev/null
+++ b/tests/techmap/dff2ff.ys
@@ -0,0 +1,16 @@
+read_verilog -icells << EOT
+module top(...);
+
+input [1:0] D;
+input C;
+output [1:0] Q;
+
+always @(posedge C)
+  Q <= D;
+
+endmodule
+EOT
+
+proc
+
+equiv_opt techmap -map +/dff2ff.v
diff --git a/tests/techmap/pmux2mux.ys b/tests/techmap/pmux2mux.ys
new file mode 100644
index 000000000..1714a6b87
--- /dev/null
+++ b/tests/techmap/pmux2mux.ys
@@ -0,0 +1,15 @@
+read_verilog -icells << EOT
+module top(...);
+
+input [3:0] A;
+input [3:0] B0;
+input [3:0] B1;
+input [1:0] S;
+output [3:0] O;
+
+\$pmux #(.WIDTH(4), .S_WIDTH(2)) pm (.A(A), .B({B1, B0}), .S(S), .Y(O));
+
+endmodule
+EOT
+
+equiv_opt techmap -map +/pmux2mux.v