2 files changed, 46 insertions, 1 deletions
diff --git a/tests/arch/xilinx/dffs.ys b/tests/arch/xilinx/dffs.ys
index dc764b033..deaf16bd6 100644
--- a/tests/arch/xilinx/dffs.ys
+++ b/tests/arch/xilinx/dffs.ys
@@ -8,7 +8,6 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
 cd dff # Constrain all select calls below inside the top module
 select -assert-count 1 t:BUFG
 select -assert-count 1 t:FDRE
-
 select -assert-none t:BUFG t:FDRE %% t:* %D
 
 
@@ -20,6 +19,27 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
 cd dffe # Constrain all select calls below inside the top module
 select -assert-count 1 t:BUFG
 select -assert-count 1 t:FDRE
+select -assert-none t:BUFG t:FDRE %% t:* %D
+
+
+design -load read
+hierarchy -top dff
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -abc9 -dff -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd dff # Constrain all select calls below inside the top module
+select -assert-count 1 t:BUFG
+select -assert-count 1 t:FDRE
+select -assert-none t:BUFG t:FDRE %% t:* %D
+
 
+design -load read
+hierarchy -top dffe
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -abc9 -dff -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd dffe # Constrain all select calls below inside the top module
+select -assert-count 1 t:BUFG
+select -assert-count 1 t:FDRE
 select -assert-none t:BUFG t:FDRE %% t:* %D
 
diff --git a/tests/arch/xilinx/opt_lut_ins.ys b/tests/arch/xilinx/opt_lut_ins.ys
new file mode 100644
index 000000000..a01d02179
--- /dev/null
+++ b/tests/arch/xilinx/opt_lut_ins.ys
@@ -0,0 +1,25 @@
+read_ilang << EOF
+
+module \top
+
+  wire width 4 input 1 \A
+
+  wire output 2 \O
+
+  cell \LUT4 $0
+    parameter \INIT 16'1111110011000000
+    connect \I0 \A [0]
+    connect \I1 \A [1]
+    connect \I2 \A [2]
+    connect \I3 \A [3]
+    connect \O \O
+  end
+end
+
+EOF
+
+equiv_opt -assert -map +/xilinx/cells_sim.v opt_lut_ins -tech xilinx
+
+design -load postopt
+
+select -assert-count 1 t:LUT3