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-rw-r--r--tests/xilinx/adffs.ys14
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diff --git a/tests/xilinx/adffs.ys b/tests/xilinx/adffs.ys
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+read_verilog adffs.v
+proc
+async2sync # converts async flops to a 'sync' variant clocked by a 'super'-clock
+flatten
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd top # Constrain all select calls below inside the top module
+
+select -assert-count 1 t:BUFG
+select -assert-count 3 t:FDRE
+select -assert-count 1 t:FDRE_1
+select -assert-count 4 t:LUT2
+select -assert-count 4 t:LUT3
+select -assert-none t:BUFG t:FDRE t:FDRE_1 t:LUT2 t:LUT3 %% t:* %D