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-rw-r--r--tests/arch/gowin/init-error.ys5
-rw-r--r--tests/arch/gowin/init.ys12
-rw-r--r--tests/arch/intel_alm/add_sub.ys10
-rw-r--r--tests/arch/intel_alm/adffs.ys48
-rw-r--r--tests/arch/intel_alm/counter.ys14
-rw-r--r--tests/arch/intel_alm/dffs.ys22
-rw-r--r--tests/arch/intel_alm/fsm.ys24
-rw-r--r--tests/arch/intel_alm/logic.ys14
-rw-r--r--tests/arch/intel_alm/lutram.ys23
-rw-r--r--tests/arch/intel_alm/mul.ys23
-rw-r--r--tests/arch/intel_alm/mux.ys46
-rw-r--r--tests/arch/intel_alm/quartus_ice.ys14
-rw-r--r--tests/arch/intel_alm/shifter.ys11
-rw-r--r--tests/arch/intel_alm/tribuf.ys14
-rw-r--r--tests/arch/xilinx/nosrl.ys41
-rwxr-xr-xtests/liberty/run-test.sh2
-rw-r--r--tests/opt/bug2221.ys16
-rw-r--r--tests/techmap/clkbufmap.ys79
-rw-r--r--tests/techmap/dfflegalize_adff.ys4
-rw-r--r--tests/techmap/dfflegalize_adff_init.ys8
-rw-r--r--tests/techmap/dfflegalize_adlatch.ys2
-rw-r--r--tests/techmap/dfflegalize_adlatch_init.ys4
-rw-r--r--tests/techmap/dfflegalize_dffsr_init.ys8
-rw-r--r--tests/techmap/dfflegalize_dlatch_const.ys53
-rw-r--r--tests/techmap/dfflegalize_sr.ys12
-rw-r--r--tests/techmap/dfflegalize_sr_init.ys24
-rw-r--r--tests/techmap/dfflibmap-sim.v22
-rw-r--r--tests/techmap/dfflibmap.lib55
-rw-r--r--tests/techmap/dfflibmap.ys58
-rw-r--r--tests/various/integer_range_bad_syntax.ys6
-rw-r--r--tests/various/integer_real_bad_syntax.ys6
-rw-r--r--tests/various/logic_param_simple.ys9
32 files changed, 645 insertions, 44 deletions
diff --git a/tests/arch/gowin/init-error.ys b/tests/arch/gowin/init-error.ys
new file mode 100644
index 000000000..de3813d6f
--- /dev/null
+++ b/tests/arch/gowin/init-error.ys
@@ -0,0 +1,5 @@
+read_verilog init.v
+chparam -set INIT 0 myDFF*P*
+hierarchy -top myDFFP
+logger -expect error "unsupported initial value and async reset value combination" 1
+synth_gowin
diff --git a/tests/arch/gowin/init.ys b/tests/arch/gowin/init.ys
index ddc0e4757..88e88c15a 100644
--- a/tests/arch/gowin/init.ys
+++ b/tests/arch/gowin/init.ys
@@ -30,16 +30,15 @@ select -assert-count 1 t:DFFRE
select -assert-count 1 t:DFFS
select -assert-count 1 t:DFFSE
-delete
design -load read
# these should synth to a flop with reset
chparam -set INIT 1 myDFF myDFFN myDFFE myDFFNE
-# async should give a warning
+# async would give an error
# sync should synth to a mux
-chparam -set INIT 0 myDFF*S* myDFF*P*
-chparam -set INIT 1 myDFF*R* myDFF*C*
+chparam -set INIT 0 myDFF*S*
+chparam -set INIT 1 myDFF*R*
proc
flatten
@@ -67,8 +66,3 @@ select -assert-count 0 t:DFFRE
select -assert-count 2 t:DFFS
select -assert-count 2 t:DFFSE
select -assert-count 12 t:LUT2
-
-# check the expected leftover init values
-# this would happen if your reset value is not the initial value
-# which would be weird
-select -assert-count 8 a:init
diff --git a/tests/arch/intel_alm/add_sub.ys b/tests/arch/intel_alm/add_sub.ys
index 4cb2c2e0d..0f552a27c 100644
--- a/tests/arch/intel_alm/add_sub.ys
+++ b/tests/arch/intel_alm/add_sub.ys
@@ -6,3 +6,13 @@ cd top # Constrain all select calls below inside the top module
stat
select -assert-count 8 t:MISTRAL_ALUT_ARITH
select -assert-none t:MISTRAL_ALUT_ARITH %% t:* %D
+
+design -reset
+read_verilog ../common/add_sub.v
+hierarchy -top top
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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
+stat
+select -assert-count 8 t:MISTRAL_ALUT_ARITH
+select -assert-none t:MISTRAL_ALUT_ARITH %% t:* %D
diff --git a/tests/arch/intel_alm/adffs.ys b/tests/arch/intel_alm/adffs.ys
index 5d8d3a220..04fa2ad24 100644
--- a/tests/arch/intel_alm/adffs.ys
+++ b/tests/arch/intel_alm/adffs.ys
@@ -13,6 +13,18 @@ select -assert-none t:MISTRAL_FF t:MISTRAL_NOT %% t:* %D
design -load read
+hierarchy -top adff
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd adff # Constrain all select calls below inside the top module
+select -assert-count 1 t:MISTRAL_FF
+select -assert-count 1 t:MISTRAL_NOT
+
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT %% t:* %D
+
+
+design -load read
hierarchy -top adffn
proc
equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclonev # equivalency check
@@ -24,6 +36,17 @@ select -assert-none t:MISTRAL_FF %% t:* %D
design -load read
+hierarchy -top adffn
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd adffn # Constrain all select calls below inside the top module
+select -assert-count 1 t:MISTRAL_FF
+
+select -assert-none t:MISTRAL_FF %% t:* %D
+
+
+design -load read
hierarchy -top dffs
proc
equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclonev # equivalency check
@@ -36,6 +59,18 @@ select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 %% t:* %D
design -load read
+hierarchy -top dffs
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd dffs # Constrain all select calls below inside the top module
+select -assert-count 1 t:MISTRAL_FF
+select -assert-count 1 t:MISTRAL_ALUT2
+
+select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 %% t:* %D
+
+
+design -load read
hierarchy -top ndffnr
proc
equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclonev # equivalency check
@@ -46,3 +81,16 @@ select -assert-count 1 t:MISTRAL_NOT
select -assert-count 1 t:MISTRAL_ALUT2
select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 %% t:* %D
+
+
+design -load read
+hierarchy -top ndffnr
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd ndffnr # Constrain all select calls below inside the top module
+select -assert-count 1 t:MISTRAL_FF
+select -assert-count 1 t:MISTRAL_NOT
+select -assert-count 1 t:MISTRAL_ALUT2
+
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 %% t:* %D
diff --git a/tests/arch/intel_alm/counter.ys b/tests/arch/intel_alm/counter.ys
index 945c318d8..50103fefc 100644
--- a/tests/arch/intel_alm/counter.ys
+++ b/tests/arch/intel_alm/counter.ys
@@ -9,5 +9,19 @@ cd top # Constrain all select calls below inside the top module
select -assert-count 2 t:MISTRAL_NOT
select -assert-count 8 t:MISTRAL_ALUT_ARITH
select -assert-count 8 t:MISTRAL_FF
+select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT_ARITH t:MISTRAL_FF %% t:* %D
+
+
+design -reset
+read_verilog ../common/counter.v
+hierarchy -top top
+proc
+flatten
+equiv_opt -async2sync -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # 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 2 t:MISTRAL_NOT
+select -assert-count 8 t:MISTRAL_ALUT_ARITH
+select -assert-count 8 t:MISTRAL_FF
select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT_ARITH t:MISTRAL_FF %% t:* %D
diff --git a/tests/arch/intel_alm/dffs.ys b/tests/arch/intel_alm/dffs.ys
index 149b3121a..9ae6c637a 100644
--- a/tests/arch/intel_alm/dffs.ys
+++ b/tests/arch/intel_alm/dffs.ys
@@ -11,6 +11,17 @@ select -assert-count 1 t:MISTRAL_FF
select -assert-none t:MISTRAL_FF %% t:* %D
design -load read
+hierarchy -top dff
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # 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:MISTRAL_FF
+
+select -assert-none t:MISTRAL_FF %% t:* %D
+
+
+design -load read
hierarchy -top dffe
proc
equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclonev # equivalency check
@@ -19,3 +30,14 @@ cd dffe # Constrain all select calls below inside the top module
select -assert-count 1 t:MISTRAL_FF
select -assert-none t:MISTRAL_FF %% t:* %D
+
+
+design -load read
+hierarchy -top dffe
+proc
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # 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:MISTRAL_FF
+
+select -assert-none t:MISTRAL_FF %% t:* %D
diff --git a/tests/arch/intel_alm/fsm.ys b/tests/arch/intel_alm/fsm.ys
index 02e4a9789..6491b2e08 100644
--- a/tests/arch/intel_alm/fsm.ys
+++ b/tests/arch/intel_alm/fsm.ys
@@ -15,6 +15,28 @@ select -assert-count 6 t:MISTRAL_FF
select -assert-max 2 t:MISTRAL_ALUT2 # Clang returns 2, GCC returns 1
select -assert-count 1 t:MISTRAL_ALUT3
select -assert-max 1 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
-select -assert-max 5 t:MISTRAL_ALUT5 # Clang returns 5, GCC returns 4
+select -assert-max 6 t:MISTRAL_ALUT5 # Clang returns 5, GCC returns 4
+select -assert-max 2 t:MISTRAL_ALUT6 # Clang returns 1, GCC returns 2
+select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
+
+design -reset
+read_verilog ../common/fsm.v
+hierarchy -top fsm
+proc
+flatten
+
+equiv_opt -run :prove -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx
+async2sync
+miter -equiv -make_assert -flatten gold gate miter
+sat -verify -prove-asserts -show-public -set-at 1 in_reset 1 -seq 20 -prove-skip 1 miter
+
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd fsm # Constrain all select calls below inside the top module
+
+select -assert-count 6 t:MISTRAL_FF
+select -assert-max 2 t:MISTRAL_ALUT2 # Clang returns 2, GCC returns 1
+select -assert-max 2 t:MISTRAL_ALUT3 # Clang returns 2, GCC returns 1
+select -assert-max 1 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
+select -assert-max 6 t:MISTRAL_ALUT5 # Clang returns 5, GCC returns 4
select -assert-max 2 t:MISTRAL_ALUT6 # Clang returns 1, GCC returns 2
select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
diff --git a/tests/arch/intel_alm/logic.ys b/tests/arch/intel_alm/logic.ys
index fad45db74..e8b26a524 100644
--- a/tests/arch/intel_alm/logic.ys
+++ b/tests/arch/intel_alm/logic.ys
@@ -9,3 +9,17 @@ select -assert-count 1 t:MISTRAL_NOT
select -assert-count 6 t:MISTRAL_ALUT2
select -assert-count 2 t:MISTRAL_ALUT4
select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT4 %% t:* %D
+
+
+design -reset
+read_verilog ../common/logic.v
+hierarchy -top top
+proc
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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:MISTRAL_NOT
+select -assert-count 6 t:MISTRAL_ALUT2
+select -assert-count 2 t:MISTRAL_ALUT4
+select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT4 %% t:* %D \ No newline at end of file
diff --git a/tests/arch/intel_alm/lutram.ys b/tests/arch/intel_alm/lutram.ys
index 6f997b67b..66f8a1536 100644
--- a/tests/arch/intel_alm/lutram.ys
+++ b/tests/arch/intel_alm/lutram.ys
@@ -7,7 +7,7 @@ memory
opt -full
miter -equiv -flatten -make_assert -make_outputs gold gate miter
-sat -verify -prove-asserts -seq 5 -set-init-zero -show-inputs -show-outputs miter
+sat -verify -prove-asserts -seq 3 -set-init-zero -show-inputs -show-outputs miter
design -load postopt
cd lutram_1w1r
@@ -18,3 +18,24 @@ select -assert-count 8 t:MISTRAL_ALUT3
select -assert-count 17 t:MISTRAL_FF
select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_FF t:MISTRAL_MLAB %% t:* %D
+
+design -reset
+read_verilog ../common/lutram.v
+hierarchy -top lutram_1w1r
+proc
+memory -nomap
+equiv_opt -run :prove -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v -map +/intel_alm/common/mem_sim.v synth_intel_alm -family cyclonev -nobram
+memory
+opt -full
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -seq 3 -set-init-zero -show-inputs -show-outputs miter
+
+design -load postopt
+cd lutram_1w1r
+select -assert-count 16 t:MISTRAL_MLAB
+select -assert-count 1 t:MISTRAL_NOT
+select -assert-count 2 t:MISTRAL_ALUT2
+select -assert-count 8 t:MISTRAL_ALUT3
+select -assert-count 17 t:MISTRAL_FF
+select -assert-none t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_FF t:MISTRAL_MLAB %% t:* %D
diff --git a/tests/arch/intel_alm/mul.ys b/tests/arch/intel_alm/mul.ys
new file mode 100644
index 000000000..92f00156a
--- /dev/null
+++ b/tests/arch/intel_alm/mul.ys
@@ -0,0 +1,23 @@
+read_verilog ../common/mul.v
+hierarchy -top top
+proc
+equiv_opt -assert -map +/intel_alm/common/dsp_sim.v synth_intel_alm -family cyclonev # 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
+
+stat
+
+select -assert-count 1 t:MISTRAL_MUL9X9
+select -assert-none t:MISTRAL_MUL9X9 %% t:* %D
+
+design -reset
+read_verilog ../common/mul.v
+hierarchy -top top
+proc
+equiv_opt -assert -map +/intel_alm/common/dsp_sim.v synth_intel_alm -family cyclone10gx # 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
+
+# Cyclone 10 GX does not have 9x9 multipliers, so we use 18x18.
+select -assert-count 1 t:MISTRAL_MUL18X18
+select -assert-none t:MISTRAL_MUL18X18 %% t:* %D
diff --git a/tests/arch/intel_alm/mux.ys b/tests/arch/intel_alm/mux.ys
index 308e45268..d109257bd 100644
--- a/tests/arch/intel_alm/mux.ys
+++ b/tests/arch/intel_alm/mux.ys
@@ -1,15 +1,26 @@
read_verilog ../common/mux.v
design -save read
+
hierarchy -top mux2
proc
equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclonev # 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:MISTRAL_ALUT3
+select -assert-none t:MISTRAL_ALUT3 %% t:* %D
+
+design -load read
+hierarchy -top mux2
+proc
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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:MISTRAL_ALUT3
select -assert-none t:MISTRAL_ALUT3 %% t:* %D
+
design -load read
hierarchy -top mux4
proc
@@ -17,9 +28,19 @@ equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cycl
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 1 t:MISTRAL_ALUT6
+select -assert-none t:MISTRAL_ALUT6 %% t:* %D
+
+design -load read
+hierarchy -top mux4
+proc
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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 1 t:MISTRAL_ALUT6
select -assert-none t:MISTRAL_ALUT6 %% t:* %D
+
design -load read
hierarchy -top mux8
proc
@@ -29,9 +50,20 @@ cd mux8 # Constrain all select calls below inside the top module
select -assert-count 1 t:MISTRAL_ALUT3
select -assert-count 1 t:MISTRAL_ALUT5
select -assert-count 2 t:MISTRAL_ALUT6
-
select -assert-none t:MISTRAL_ALUT3 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
+
+design -load read
+hierarchy -top mux8
+proc
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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 1 t:MISTRAL_ALUT3
+select -assert-count 2 t:MISTRAL_ALUT6
+select -assert-none t:MISTRAL_ALUT3 t:MISTRAL_ALUT6 %% t:* %D
+
+
design -load read
hierarchy -top mux16
proc
@@ -41,5 +73,17 @@ cd mux16 # Constrain all select calls below inside the top module
select -assert-count 1 t:MISTRAL_ALUT3
select -assert-count 2 t:MISTRAL_ALUT5
select -assert-count 4 t:MISTRAL_ALUT6
+select -assert-none t:MISTRAL_ALUT3 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
+
+
+design -load read
+hierarchy -top mux16
+proc
+equiv_opt -assert -map +/intel_alm/common/alm_sim.v synth_intel_alm -family cyclone10gx # 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-count 1 t:MISTRAL_ALUT3
+select -assert-count 2 t:MISTRAL_ALUT5
+select -assert-count 4 t:MISTRAL_ALUT6
select -assert-none t:MISTRAL_ALUT3 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
diff --git a/tests/arch/intel_alm/quartus_ice.ys b/tests/arch/intel_alm/quartus_ice.ys
index 4b9b54d10..a88226e13 100644
--- a/tests/arch/intel_alm/quartus_ice.ys
+++ b/tests/arch/intel_alm/quartus_ice.ys
@@ -10,3 +10,17 @@ EOT
synth_intel_alm -family cyclonev -quartus
select -assert-none w:*[* w:*]*
+
+design -reset
+read_verilog <<EOT
+// Verilog has syntax for raw identifiers, where you start it with \ and end it with a space.
+// This test crashes Quartus due to it parsing \a[10] as a wire slice and not a raw identifier.
+module top();
+ (* keep *) wire [31:0] \a[10] ;
+ (* keep *) wire b;
+ assign b = \a[10] [31];
+endmodule
+EOT
+
+synth_intel_alm -family cyclone10gx -quartus
+select -assert-none w:*[* w:*]*
diff --git a/tests/arch/intel_alm/shifter.ys b/tests/arch/intel_alm/shifter.ys
index 014dbd1a8..e307b5486 100644
--- a/tests/arch/intel_alm/shifter.ys
+++ b/tests/arch/intel_alm/shifter.ys
@@ -6,5 +6,16 @@ equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm
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 8 t:MISTRAL_FF
+select -assert-none t:MISTRAL_FF %% t:* %D
+
+design -reset
+read_verilog ../common/shifter.v
+hierarchy -top top
+proc
+flatten
+equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm/common/dff_sim.v synth_intel_alm -family cyclone10gx # 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 8 t:MISTRAL_FF
select -assert-none t:MISTRAL_FF %% t:* %D
diff --git a/tests/arch/intel_alm/tribuf.ys b/tests/arch/intel_alm/tribuf.ys
index 71b05a747..7f3b38493 100644
--- a/tests/arch/intel_alm/tribuf.ys
+++ b/tests/arch/intel_alm/tribuf.ys
@@ -9,5 +9,19 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd tristate # Constrain all select calls below inside the top module
#Internal cell type used. Need support it.
select -assert-count 1 t:$_TBUF_
+select -assert-none t:$_TBUF_ %% t:* %D
+
+design -reset
+read_verilog ../common/tribuf.v
+hierarchy -top tristate
+proc
+tribuf
+flatten
+synth
+equiv_opt -assert -map +/simcells.v synth_intel_alm -family cyclone10gx # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd tristate # Constrain all select calls below inside the top module
+#Internal cell type used. Need support it.
+select -assert-count 1 t:$_TBUF_
select -assert-none t:$_TBUF_ %% t:* %D
diff --git a/tests/arch/xilinx/nosrl.ys b/tests/arch/xilinx/nosrl.ys
new file mode 100644
index 000000000..31bd5d377
--- /dev/null
+++ b/tests/arch/xilinx/nosrl.ys
@@ -0,0 +1,41 @@
+read_verilog <<EOT
+
+module xilinx_srl_static_test(input i, clk, output [1:0] q);
+reg head = 1'b0;
+reg [3:0] shift1 = 4'b0000;
+reg [3:0] shift2 = 4'b0000;
+
+always @(posedge clk) begin
+ head <= i;
+ shift1 <= {shift1[2:0], head};
+ shift2 <= {shift2[2:0], head};
+end
+
+assign q = {shift2[3], shift1[3]};
+endmodule
+
+EOT
+
+design -save read
+
+hierarchy -top xilinx_srl_static_test
+proc
+#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
+equiv_opt -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd xilinx_srl_static_test # Constrain all select calls below inside the top module
+stat
+select -assert-count 1 t:BUFG
+select -assert-count 1 t:SRL16E
+select -assert-none t:BUFG t:SRL16E %% t:* %D
+
+design -load read
+hierarchy -top xilinx_srl_static_test
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -nosrl -noiopad # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd xilinx_srl_static_test # Constrain all select calls below inside the top module
+stat
+select -assert-count 1 t:BUFG
+select -assert-count 5 t:FDRE
+select -assert-none t:BUFG t:FDRE %% t:* %D
diff --git a/tests/liberty/run-test.sh b/tests/liberty/run-test.sh
index 7e2ed2370..61f19b09b 100755
--- a/tests/liberty/run-test.sh
+++ b/tests/liberty/run-test.sh
@@ -5,6 +5,6 @@ for x in *.lib; do
echo "Running $x.."
echo "read_verilog small.v" > test.ys
echo "synth -top small" >> test.ys
- echo "dfflibmap -liberty ${x}" >> test.ys
+ echo "dfflibmap -info -liberty ${x}" >> test.ys
../../yosys -ql ${x%.lib}.log -s test.ys
done
diff --git a/tests/opt/bug2221.ys b/tests/opt/bug2221.ys
new file mode 100644
index 000000000..8ac380243
--- /dev/null
+++ b/tests/opt/bug2221.ys
@@ -0,0 +1,16 @@
+read_verilog <<EOT
+module test (
+ input [1:0] a,
+ input [1:0] b,
+ output [5:0] y
+);
+
+wire [5:0] aa = {a, 4'h0};
+wire [5:0] bb = {b, 4'h0};
+
+assign y = aa * bb;
+
+endmodule
+EOT
+
+equiv_opt -assert opt_expr
diff --git a/tests/techmap/clkbufmap.ys b/tests/techmap/clkbufmap.ys
index b81a35e74..abe830109 100644
--- a/tests/techmap/clkbufmap.ys
+++ b/tests/techmap/clkbufmap.ys
@@ -1,5 +1,7 @@
read_verilog <<EOT
module clkbuf (input i, (* clkbuf_driver *) output o); endmodule
+module inbuf (input i, output o); endmodule
+module clkinbuf (input i, (* clkbuf_driver *) output o); endmodule
module dff ((* clkbuf_sink *) input clk, input d, output q); endmodule
module dffe ((* clkbuf_sink *) input c, input d, e, output q); endmodule
module latch (input e, d, output q); endmodule
@@ -105,3 +107,80 @@ select -assert-count 0 w:clk1 %a %co t:clkbuf %i
select -assert-count 0 w:clk2 %a %co t:clkbuf %i
select -assert-count 0 top/t:clkbuf
select -assert-count 2 sub/t:clkbuf
+
+# ----------------------
+
+design -load ref
+clkbufmap -buf clkbuf o:i -inpad inbuf o:i
+select -assert-count 3 top/t:clkbuf
+select -assert-count 3 sub/t:clkbuf
+select -assert-count 2 top/t:inbuf
+select -assert-count 0 sub/t:inbuf
+select -set clk1 w:clk1 %a %co t:inbuf %i
+select -assert-count 1 @clk1
+select -assert-count 1 @clk1 %x:+[o] %co t:clkbuf %i
+select -set clk1b @clk1 %x:+[o] %co t:clkbuf %i
+select -assert-count 1 @clk1b %x:+[o] %co c:s* %i
+select -assert-count 1 @clk1b %x:+[o] %co c:s0 %i
+select -set clk2 w:clk2 %a %co t:inbuf %i
+select -assert-count 1 @clk2
+select -assert-count 1 @clk2 %x:+[o] %co t:clkbuf %i
+select -set clk2b @clk2 %x:+[o] %co t:clkbuf %i
+select -assert-count 1 @clk2b %x:+[o] %co c:s* %i
+select -assert-count 1 @clk2b %x:+[o] %co c:s1 %i
+select -set clk5 w:clk5 %a %ci t:clkbuf %i
+select -assert-count 1 @clk5
+select -assert-count 1 @clk5 %x:+[o] %co c:s5 %i
+select -assert-count 1 @clk5 %x:+[i] %ci c:s3 %i
+select -set sclk4 w:sclk4 %a %ci t:clkbuf %i
+select -assert-count 1 @sclk4
+select -assert-count 1 @sclk4 %x:+[o] %co c:s11 %i
+select -assert-count 1 @sclk4 %x:+[i] %ci c:s7 %i
+select -set sclk8 w:sclk8 %a %ci t:clkbuf %i
+select -assert-count 1 @sclk8
+select -assert-count 1 @sclk8 %x:+[o] %co c:s13 %i
+select -assert-count 1 @sclk8 %x:+[i] %ci c:s12 %i
+
+# ----------------------
+
+design -load ref
+clkbufmap -inpad inbuf o:i
+select -assert-count 2 top/t:inbuf
+select -assert-count 0 sub/t:inbuf
+select -set clk1 w:clk1 %a %co t:inbuf %i
+select -assert-count 1 @clk1
+select -assert-count 1 @clk1 %x:+[o] %co c:s* %i
+select -assert-count 1 @clk1 %x:+[o] %co c:s0 %i
+select -set clk2 w:clk2 %a %co t:inbuf %i
+select -assert-count 1 @clk2
+select -assert-count 1 @clk2 %x:+[o] %co c:s* %i
+select -assert-count 1 @clk2 %x:+[o] %co c:s1 %i
+
+# ----------------------
+
+design -load ref
+clkbufmap -buf clkbuf o:i -inpad clkinbuf o:i
+select -assert-count 1 top/t:clkbuf
+select -assert-count 3 sub/t:clkbuf
+select -assert-count 2 top/t:clkinbuf
+select -assert-count 0 sub/t:clkinbuf
+select -set clk1 w:clk1 %a %co t:clkinbuf %i
+select -assert-count 1 @clk1
+select -assert-count 1 @clk1 %x:+[o] %co c:s* %i
+select -assert-count 1 @clk1 %x:+[o] %co c:s0 %i
+select -set clk2 w:clk2 %a %co t:clkinbuf %i
+select -assert-count 1 @clk2
+select -assert-count 1 @clk2 %x:+[o] %co c:s* %i
+select -assert-count 1 @clk2 %x:+[o] %co c:s1 %i
+select -set clk5 w:clk5 %a %ci t:clkbuf %i
+select -assert-count 1 @clk5
+select -assert-count 1 @clk5 %x:+[o] %co c:s5 %i
+select -assert-count 1 @clk5 %x:+[i] %ci c:s3 %i
+select -set sclk4 w:sclk4 %a %ci t:clkbuf %i
+select -assert-count 1 @sclk4
+select -assert-count 1 @sclk4 %x:+[o] %co c:s11 %i
+select -assert-count 1 @sclk4 %x:+[i] %ci c:s7 %i
+select -set sclk8 w:sclk8 %a %ci t:clkbuf %i
+select -assert-count 1 @sclk8
+select -assert-count 1 @sclk8 %x:+[o] %co c:s13 %i
+select -assert-count 1 @sclk8 %x:+[i] %ci c:s12 %i
diff --git a/tests/techmap/dfflegalize_adff.ys b/tests/techmap/dfflegalize_adff.ys
index a563e8c61..cf3e925a3 100644
--- a/tests/techmap/dfflegalize_adff.ys
+++ b/tests/techmap/dfflegalize_adff.ys
@@ -39,8 +39,8 @@ design -save orig
flatten
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ x
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ x
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x
# Convert everything to ADFFs.
diff --git a/tests/techmap/dfflegalize_adff_init.ys b/tests/techmap/dfflegalize_adff_init.ys
index 92f249815..a10161701 100644
--- a/tests/techmap/dfflegalize_adff_init.ys
+++ b/tests/techmap/dfflegalize_adff_init.ys
@@ -45,10 +45,10 @@ equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 0
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_DLATCH_P_ 1
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_DLATCH_P_ 1
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_DLATCH_P_ 1
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
# Convert everything to ADFFs.
diff --git a/tests/techmap/dfflegalize_adlatch.ys b/tests/techmap/dfflegalize_adlatch.ys
index dee17e40c..ea5aaa53c 100644
--- a/tests/techmap/dfflegalize_adlatch.ys
+++ b/tests/techmap/dfflegalize_adlatch.ys
@@ -22,7 +22,7 @@ EOT
design -save orig
flatten
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x
# Convert everything to ADLATCHs.
diff --git a/tests/techmap/dfflegalize_adlatch_init.ys b/tests/techmap/dfflegalize_adlatch_init.ys
index c221bbe0e..0a31d7736 100644
--- a/tests/techmap/dfflegalize_adlatch_init.ys
+++ b/tests/techmap/dfflegalize_adlatch_init.ys
@@ -25,8 +25,8 @@ equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0
equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0
-#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1
# Convert everything to ADLATCHs.
diff --git a/tests/techmap/dfflegalize_dffsr_init.ys b/tests/techmap/dfflegalize_dffsr_init.ys
index 646c086e0..a98bd0cfe 100644
--- a/tests/techmap/dfflegalize_dffsr_init.ys
+++ b/tests/techmap/dfflegalize_dffsr_init.ys
@@ -49,10 +49,10 @@ flatten
#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_SR_PP_ 0
#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_SR_PP_ 0
#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_SR_PP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
# Convert everything to ADFFs.
diff --git a/tests/techmap/dfflegalize_dlatch_const.ys b/tests/techmap/dfflegalize_dlatch_const.ys
new file mode 100644
index 000000000..0b5167a06
--- /dev/null
+++ b/tests/techmap/dfflegalize_dlatch_const.ys
@@ -0,0 +1,53 @@
+read_verilog -icells <<EOT
+
+module dlatch(input E, D, (* init = 8'hf0 *) output [7:0] Q);
+$_DLATCH_P_ ff0 (.E(E), .D(1'b0), .Q(Q[0]));
+$_DLATCH_N_ ff1 (.E(E), .D(1'b0), .Q(Q[1]));
+$_DLATCH_P_ ff2 (.E(E), .D(1'b1), .Q(Q[2]));
+$_DLATCH_N_ ff3 (.E(E), .D(1'b1), .Q(Q[3]));
+$_DLATCH_P_ ff4 (.E(E), .D(1'b0), .Q(Q[4]));
+$_DLATCH_N_ ff5 (.E(E), .D(1'b0), .Q(Q[5]));
+$_DLATCH_P_ ff6 (.E(E), .D(1'b1), .Q(Q[6]));
+$_DLATCH_N_ ff7 (.E(E), .D(1'b1), .Q(Q[7]));
+endmodule
+
+EOT
+
+design -save orig
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 01
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP?_ 0
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
+equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
+
+# Convert everything to ADFFs.
+
+design -load orig
+dfflegalize -cell $_DFF_PP0_ 01
+
+select -assert-count 12 t:$_NOT_
+select -assert-count 8 t:$_DFF_PP0_
+select -assert-none t:$_DFF_PP0_ t:$_NOT_ %% %n t:* %i
+
+design -load orig
+dfflegalize -cell $_DFF_PP?_ 0
+
+select -assert-count 12 t:$_NOT_
+select -assert-count 4 t:$_DFF_PP0_
+select -assert-count 4 t:$_DFF_PP1_
+select -assert-none t:$_DFF_PP0_ t:$_DFF_PP1_ t:$_NOT_ %% %n t:* %i
+
+# Convert everything to DFFSREs.
+
+design -load orig
+dfflegalize -cell $_DFFSRE_PPPP_ 0
+
+select -assert-count 12 t:$_NOT_
+select -assert-count 8 t:$_DFFSRE_PPPP_
+select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ %% %n t:* %i
+
+design -load orig
+dfflegalize -cell $_DFFSRE_PPPP_ 1
+
+select -assert-count 12 t:$_NOT_
+select -assert-count 8 t:$_DFFSRE_PPPP_
+select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ %% %n t:* %i
diff --git a/tests/techmap/dfflegalize_sr.ys b/tests/techmap/dfflegalize_sr.ys
index a75068ae0..b8c91f753 100644
--- a/tests/techmap/dfflegalize_sr.ys
+++ b/tests/techmap/dfflegalize_sr.ys
@@ -9,12 +9,12 @@ endmodule
EOT
design -save orig
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ x
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ x
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x
# Convert everything to SRs.
diff --git a/tests/techmap/dfflegalize_sr_init.ys b/tests/techmap/dfflegalize_sr_init.ys
index 39bfdcdcf..5c52a0b28 100644
--- a/tests/techmap/dfflegalize_sr_init.ys
+++ b/tests/techmap/dfflegalize_sr_init.ys
@@ -21,18 +21,18 @@ EOT
design -save orig
flatten
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
-equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0
+#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1
# Convert everything to SRs.
diff --git a/tests/techmap/dfflibmap-sim.v b/tests/techmap/dfflibmap-sim.v
new file mode 100644
index 000000000..1788a683b
--- /dev/null
+++ b/tests/techmap/dfflibmap-sim.v
@@ -0,0 +1,22 @@
+module dffn(input CLK, D, output reg Q, output QN);
+
+always @(negedge CLK)
+ Q <= D;
+
+assign QN = ~Q;
+
+endmodule
+
+module dffsr(input CLK, D, CLEAR, PRESET, output reg Q, output QN);
+
+always @(posedge CLK, posedge CLEAR, posedge PRESET)
+ if (CLEAR)
+ Q <= 0;
+ else if (PRESET)
+ Q <= 1;
+ else
+ Q <= D;
+
+assign QN = ~Q;
+
+endmodule
diff --git a/tests/techmap/dfflibmap.lib b/tests/techmap/dfflibmap.lib
new file mode 100644
index 000000000..ce460877e
--- /dev/null
+++ b/tests/techmap/dfflibmap.lib
@@ -0,0 +1,55 @@
+library(test) {
+ /* D-type flip-flop with asynchronous reset and preset */
+ cell (dffn) {
+ area : 6;
+ ff("IQ", "IQN") {
+ next_state : "D";
+ clocked_on : "!CLK";
+ }
+ pin(D) {
+ direction : input;
+ }
+ pin(CLK) {
+ direction : input;
+ }
+ pin(Q) {
+ direction: output;
+ function : "IQ";
+ }
+ pin(QN) {
+ direction: output;
+ function : "IQN";
+ }
+ }
+ cell (dffsr) {
+ area : 6;
+ ff("IQ", "IQN") {
+ next_state : "D";
+ clocked_on : "CLK";
+ clear : "CLEAR";
+ preset : "PRESET";
+ clear_preset_var1 : L;
+ clear_preset_var2 : L;
+ }
+ pin(D) {
+ direction : input;
+ }
+ pin(CLK) {
+ direction : input;
+ }
+ pin(CLEAR) {
+ direction : input;
+ }
+ pin(PRESET) {
+ direction : input;
+ }
+ pin(Q) {
+ direction: output;
+ function : "IQ";
+ }
+ pin(QN) {
+ direction: output;
+ function : "IQN";
+ }
+ }
+}
diff --git a/tests/techmap/dfflibmap.ys b/tests/techmap/dfflibmap.ys
new file mode 100644
index 000000000..04477eb14
--- /dev/null
+++ b/tests/techmap/dfflibmap.ys
@@ -0,0 +1,58 @@
+read_verilog -icells <<EOT
+
+module top(input C, D, S, R, output [9:0] Q);
+
+$_DFF_P_ ff0 (.C(C), .D(D), .Q(Q[0]));
+$_DFF_PP0_ ff1 (.C(C), .D(D), .R(R), .Q(Q[1]));
+$_DFF_PP1_ ff2 (.C(C), .D(D), .R(R), .Q(Q[2]));
+$_DFFSR_PPP_ ff3 (.C(C), .D(D), .R(R), .S(S), .Q(Q[3]));
+$_DFFSR_NNN_ ff4 (.C(C), .D(D), .R(R), .S(S), .Q(Q[4]));
+
+assign Q[9:5] = ~Q[4:0];
+
+endmodule
+
+EOT
+
+simplemap
+
+design -save orig
+
+#equiv_opt -map dfflibmap-sim.v -assert -multiclock dfflibmap -liberty dfflibmap.lib
+#equiv_opt -map dfflibmap-sim.v -assert -multiclock dfflibmap -prepare -liberty dfflibmap.lib
+dfflibmap -prepare -liberty dfflibmap.lib
+equiv_opt -map dfflibmap-sim.v -assert -multiclock dfflibmap -map-only -liberty dfflibmap.lib
+
+design -load orig
+dfflibmap -liberty dfflibmap.lib
+clean
+
+select -assert-count 4 t:$_NOT_
+select -assert-count 1 t:dffn
+select -assert-count 4 t:dffsr
+select -assert-none t:dffn t:dffsr t:$_NOT_ %% %n t:* %i
+
+design -load orig
+dfflibmap -prepare -liberty dfflibmap.lib
+
+select -assert-count 9 t:$_NOT_
+select -assert-count 1 t:$_DFF_N_
+select -assert-count 4 t:$_DFFSR_PPP_
+select -assert-none t:$_DFF_N_ t:$_DFFSR_PPP_ t:$_NOT_ %% %n t:* %i
+
+design -load orig
+dfflibmap -map-only -liberty dfflibmap.lib
+
+select -assert-count 5 t:$_NOT_
+select -assert-count 0 t:dffn
+select -assert-count 1 t:dffsr
+
+design -load orig
+dfflibmap -prepare -liberty dfflibmap.lib
+dfflibmap -map-only -liberty dfflibmap.lib
+clean
+
+select -assert-count 4 t:$_NOT_
+select -assert-count 1 t:dffn
+select -assert-count 4 t:dffsr
+select -assert-none t:dffn t:dffsr t:$_NOT_ %% %n t:* %i
diff --git a/tests/various/integer_range_bad_syntax.ys b/tests/various/integer_range_bad_syntax.ys
new file mode 100644
index 000000000..4f427211f
--- /dev/null
+++ b/tests/various/integer_range_bad_syntax.ys
@@ -0,0 +1,6 @@
+logger -expect error "syntax error, unexpected" 1
+read_verilog -sv <<EOT
+module test_integer_range();
+parameter integer [31:0] a = 0;
+endmodule
+EOT
diff --git a/tests/various/integer_real_bad_syntax.ys b/tests/various/integer_real_bad_syntax.ys
new file mode 100644
index 000000000..942d8de77
--- /dev/null
+++ b/tests/various/integer_real_bad_syntax.ys
@@ -0,0 +1,6 @@
+logger -expect error "syntax error, unexpected TOK_REAL" 1
+read_verilog -sv <<EOT
+module test_integer_real();
+parameter integer real a = 0;
+endmodule
+EOT
diff --git a/tests/various/logic_param_simple.ys b/tests/various/logic_param_simple.ys
new file mode 100644
index 000000000..968564080
--- /dev/null
+++ b/tests/various/logic_param_simple.ys
@@ -0,0 +1,9 @@
+read_verilog -sv <<EOT
+module test_logic_param();
+parameter logic a = 0;
+parameter logic [31:0] e = 0;
+parameter logic signed b = 0;
+parameter logic unsigned c = 0;
+parameter logic unsigned [31:0] d = 0;
+endmodule
+EOT