1 files changed, 51 insertions, 0 deletions
diff --git a/tests/arch/xilinx/mux_lut4.ys b/tests/arch/xilinx/mux_lut4.ys
new file mode 100644
index 000000000..3e3256993
--- /dev/null
+++ b/tests/arch/xilinx/mux_lut4.ys
@@ -0,0 +1,51 @@
+read_verilog ../common/mux.v
+design -save read
+
+hierarchy -top mux2
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc3se -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd mux2 # Constrain all select calls below inside the top module
+select -assert-count 1 t:LUT3
+
+select -assert-none t:LUT3 %% t:* %D
+
+
+design -load read
+hierarchy -top mux4
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc3se -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd mux4 # Constrain all select calls below inside the top module
+select -assert-count 4 t:LUT1
+select -assert-count 2 t:MUXF5
+select -assert-count 1 t:MUXF6
+
+select -assert-none t:LUT1 t:MUXF5 t:MUXF6 %% t:* %D
+
+
+design -load read
+hierarchy -top mux8
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc3se -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd mux8 # Constrain all select calls below inside the top module
+select -assert-count 4 t:LUT1
+select -assert-count 3 t:LUT4
+select -assert-count 2 t:MUXF5
+select -assert-count 1 t:MUXF6
+
+select -assert-none t:LUT1 t:LUT4 t:MUXF5 t:MUXF6 %% t:* %D
+
+
+design -load read
+hierarchy -top mux16
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc3se -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd mux16 # Constrain all select calls below inside the top module
+select -assert-max 32 t:LUT*
+select -assert-max 8 t:MUXF6
+select -assert-max 4 t:MUXF7
+
+select -assert-none t:LUT* t:MUXF5 t:MUXF6 t:MUXF7 %% t:* %D