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445 Commits

Author SHA1 Message Date
N. Engelhardt 8a4f465143 update test to use suggested selection for assertions 2025-07-01 11:46:27 +02:00
N. Engelhardt ef3f541501 add linecoverage command to generate lcov report from selection 2025-06-26 13:21:53 +02:00
Emil J. Tywoniak 2b659626a3 rename: add -unescape 2025-06-24 12:33:33 +02:00
Krystine Sherwin 45131f4425
chformal: Add -assert2cover option 
Also add to chformal tests.
 2025-06-14 10:54:23 +12:00
Emil J. Tywoniak 239c265093 splitnets: handle single-bit vectors consistently 2025-06-05 10:58:06 +02:00
Krystine Sherwin 7c89355b70
cutpoint: Re-add whole module optimization 
Also add a test script for it.
 2025-05-06 09:57:34 +12:00
N. Engelhardt 84c49e1f33
Merge pull request #5041 from jix/declockgate-v2 2025-04-28 13:31:11 +00:00
Emil J 6a2f2f1818
Merge pull request #5031 from suisseWalter/fix_sequential_area 
stat: fix sequential area not being included in addition/multiplication
 2025-04-21 11:02:40 +02:00
cwalter 41375a5f05 create testcase to check correct addition of areas. 2025-04-20 16:44:22 +02:00
clemens 01d80c7403 add testcase 2025-04-19 20:41:10 +02:00
Jannis Harder 31d6d0ac17 formalff: Fix -declockgate test and missing emit for memories 2025-04-18 18:57:59 +02:00
Jannis Harder bd154a7188 formalff: Add -declockgate option 2025-04-18 17:44:34 +02:00
Krystine Sherwin 87d3b09988
cutpoint.cc: Fold -instances into -blackbox 
Replace `cutpoint -blackbox` behaviour with `cutpoint -blackbox -instances` behaviour.
Drop `-instances` flag.
Add `-noscopeinfo` flag.
Use `RTLIL::Selection::boxed_module()` helper to shortcut blackbox check.
Update `cutpoint_blackbox.ys` tests to match.
 2025-04-11 04:12:35 +12:00
Krystine Sherwin 779a1fddf6
Testing cutpoint with boxed selections 2025-04-11 04:12:34 +12:00
Krystine Sherwin cf44a9124f
cutpoint: Test -blackbox with parameter 
Modify `cutpoint_blackbox.ys` to check that parameters on blackbox modules are maintained after the cutpoint.
Also adjusts the test to check that each instance gets the `$anyseq` cell.
 2025-04-11 04:12:34 +12:00
Krystine Sherwin 583771ef5b
cutpoint: Add -blackbox option 
Replace the contents of all blackboxes in the design with a formal cut point.
Includes test script.
 2025-04-11 04:12:34 +12:00
Emil J 1b25e1cee0
Merge pull request #4942 from Anhijkt/fix-ice40dsp 
ice40_dsp: fix log_assert issue
 2025-03-28 13:32:17 +01:00
Emil J ec8b745929
Merge pull request #4733 from antmicro/fix-setundef-pass-for-params 
Fix setting bits of parameters in setundef pass
 2025-03-28 13:06:04 +01:00
Anhijkt cb03a1ec21 ice40_dsp: fix test 2025-03-26 15:13:05 +02:00
Emil J. Tywoniak 980a0a15c1 stat: allow gzipped liberty files 2025-03-19 13:43:44 +01:00
Anhijkt 5ae32efca5 ice40_dsp: add test 2025-03-15 20:05:57 +02:00
Anhijkt be3dfdc5ad splitcells: add tests 2025-03-10 19:41:22 +02:00
Emil J b4a169527d
Merge pull request #4894 from YosysHQ/emil/abstract 
Add `abstract` pass for formal verification
 2025-02-25 11:16:37 +01:00
Emil J. Tywoniak 3f60a2cc67 abstract: test -slice from:to for -init 2025-02-25 00:22:14 +01:00
Emil J. Tywoniak 3cb7054e53 abstract: test -slice for all modes, -rtlilslice for -init 2025-02-25 00:18:16 +01:00
Emil J. Tywoniak 5bd18613bb abstract: test -init 2025-02-19 23:03:43 +01:00
Emil J. Tywoniak 34e3fcbb31 abstract: test -value 2025-02-18 17:08:45 +01:00
Emil J. Tywoniak d3a90021ad abstract: test -state 2025-02-18 17:08:45 +01:00
Emil J. Tywoniak 387d0de383 abstract: -state allow partial abstraction, don't use buffer-normalized mode 2025-02-18 17:08:45 +01:00
Emil J. Tywoniak 6027030215 abstract: -value MVP, use buffer-normalized mode 2025-02-18 17:08:45 +01:00
Emil J. Tywoniak 4637fa74e3 abstract: -init MVP 2025-02-18 17:08:45 +01:00
Emil J. Tywoniak e4ca7b8846 abstract: -state MVP 2025-02-18 17:08:45 +01:00
Jannis Harder 40c690b030 extract_fa: Add test case 2025-01-30 18:45:06 +01:00
N. Engelhardt 7e3990b681
Merge pull request #4837 from YosysHQ/json_scopinfo_opt 
write_json: add option to include $scopeinfo cells
 2025-01-10 09:57:22 +00:00
N. Engelhardt 77b28442a5 emit $scopeinfo cells by default 2025-01-08 14:47:46 +01:00
N. Engelhardt dab7905cbe write_json: add option to include $scopeinfo cells 2025-01-08 13:33:56 +01:00
Martin Povišer 41e4aa8f0a
Merge pull request #4819 from povik/wreduce-resign 
wreduce: Optimize signedness when possible
 2025-01-06 15:27:55 +01:00
Martin Povišer 08778917db wreduce: Optimize signedness when possible 2024-12-16 12:57:08 +01:00
Emil J. Tywoniak 6240aec433 test: restore verific handling, nicer naming 2024-12-13 10:24:47 +01:00
Martin Povišer 4bd6061709
Merge pull request #4799 from povik/wrapcell-unused 
wrapcell: Optionally track unused outputs
 2024-12-10 21:16:28 +01:00
Martin Povišer 48c8d70a45 wrapcell: Test `check -assert` post wrapping 2024-12-10 15:13:31 +01:00
Martin Povišer b0708a38bf
Merge pull request #4678 from povik/tcl-rtlil-api 
Start Tcl design inspection methods
 2024-12-09 15:44:58 +01:00
Martin Povišer d57d21e566 wrapcell: Optionally track unused outputs 2024-12-05 18:16:53 +01:00
Martin Povišer 59a96470df
Merge pull request #4773 from povik/wrapcell 
wrapcell: Add new command
 2024-12-04 11:49:51 +01:00
Martin Povišer 109d97bb40
Merge pull request #4706 from povik/keep_hierarchy-adjustalgo 
Adjust `keep_hierarchy` behavior
 2024-12-03 12:18:28 +01:00
Martin Povišer f0704b6ede Redo integer passing on top of bignum 2024-12-02 19:56:51 +01:00
Martin Povišer 79e9258a31 wrapcell: Add new command 2024-11-27 14:01:00 +01:00
Martin Povišer 1b1a6c4aed
Merge pull request #4525 from georgerennie/peepopt_clock_gate 
peepopt: Add formal opt to rewrite latches to ffs in clock gates
 2024-11-11 14:49:09 +01:00
mszelwiga 8e508f2a2a Fix setting bits of parameters in setundef pass 
This commit also adds test that verifies correctness of this change.
 2024-11-08 17:03:08 +01:00
Martin Povišer 69a36aec3b Add keep_hierarchy test 2024-11-05 09:28:45 +01:00
Krystine Sherwin ee73a91f44
Remove references to ilang 2024-11-05 12:36:31 +13:00
Martin Povišer f7400a06cd Fix test 2024-11-04 16:19:59 +01:00
Martin Povišer 23922faecc Test new Tcl methods 2024-11-04 16:18:50 +01:00
Martin Povišer e46cc57cc4
Merge pull request #4613 from povik/err-never-silence 
log: Never silence `log_cmd_error`
 2024-10-07 16:12:31 +02:00
Martin Povišer b01b17689e Add test of error not getting silenced 2024-10-07 14:49:17 +02:00
Martin Povišer d0a11e26f3 aiger2: Add test of writing a flattened view 2024-10-07 12:04:33 +02:00
Martin Povišer ea765686b6 aiger2: Adjust hierarchy/port handling 2024-09-18 16:55:02 +02:00
Martin Povišer 6c1fa45995 aiger2: Ingest `$pmux` 2024-09-18 16:42:56 +02:00
Martin Povišer 8e29675a23 aiger2: Support `$bwmux`, comparison operators 2024-09-17 13:55:58 +02:00
Martin Povišer fb26945a20 Start an 'aiger2' backend 2024-09-17 13:55:58 +02:00
Roland Coeurjoly 91e3773b51 Ensure signed constants are correctly parsed, represented, and exported in RTLIL. Add a test to check parsing and exporting 2024-08-21 14:28:42 +01:00
George Rennie b6ceff2aab peepopt clockgateff: add testcase 2024-08-07 10:21:52 +01:00
Martin Povišer 97fedff383 box_derive: Tune the test 2024-05-29 20:42:11 +02:00
Martin Povišer bff2443af8 box_derive: Finish the test 2024-05-21 16:34:49 +02:00
Martin Povišer c0a196173a Rename `bbox_derive` to `box_derive` 2024-05-21 16:18:03 +02:00
Martin Povišer 557db4ea46 bbox_drive: Add an incomplete test 2024-05-21 14:57:49 +02:00
N. Engelhardt e8ec19c273 add command that should not have any effect to hierarchy -generate test (this documents the current behavior, not sure if it is desired functionality) 2024-04-12 13:51:06 +02:00
N. Engelhardt b87327d1b9 fix hierarchy -generate mode handling of cells 2024-04-12 13:38:33 +02:00
Martin Povišer 87e72ef86f celledges: Add read ports arst paths 2024-03-11 10:45:17 +01:00
Martin Povišer e4296072c4 check: Rephrase regex for portability 2024-03-11 10:45:17 +01:00
Martin Povišer e1e77a7fa9 check: Extend testing 2024-03-11 10:45:17 +01:00
Martin Povišer 3eef6450f1 check: Add coarse-grain false positive test 2024-03-11 10:43:49 +01:00
N. Engelhardt d70113a909
Merge pull request #3972 from nakengelhardt/celledges_shift_ops 
celledges: support shift ops
 2024-03-08 09:35:47 +01:00
Jannis Harder bbdfcfdf30 clk2fflogic: Fix handling of $check cells 
Fixes a bug in the handling of the recently introduced $check cells.
Both $check and $print cells in clk2fflogic are handled by the same code
and the existing tests for that were only using $print cells. This
missed a bug where the additional A signal of $check cells that is not
present on $print cells was dropped due to a typo, rendering $check
cells non-functional.

Also updates the tests to explicitly cover both cell types such that
they would have detected the now fixed bug.
 2024-02-14 11:42:27 +01:00
Miodrag Milanović edb95c69a9
Merge pull request #4084 from jix/scopeinfo 
$scopeinfo support
 2024-02-12 09:51:22 +01:00
Thomas Watson 10e06f9b66 tests/various/clk2fflogic_effects.sh: remove /tmp use 
Might not be accessible.
 2024-02-10 15:09:54 -06:00
Thomas Watson b1f8308772 tests/various/clk2fflogic_effects.sh: fix tail invocation 
Previous syntax is a GNU extension and not accepted by macOS. Use
documented -n option instead, compatible with POSIX-compliant tail
implementations.
 2024-02-10 15:07:55 -06:00
Jannis Harder 9288107f43 Test flatten and opt_clean's $scopeinfo handling 2024-02-06 17:51:29 +01:00
Jannis Harder ffb82df33c Additional tests for FV $check compatibility 2024-02-02 16:07:10 +01:00
Jannis Harder e1a59ba80b async2sync, clk2fflogic: Add support for $check and $print cells 2024-02-01 20:10:39 +01:00
Jannis Harder 331ac5285f tests: Run async2sync before sat and/or sim to handle $check cells 
Right now neither `sat` nor `sim` have support for the `$check` cell.
For formal verification it is a good idea to always run either
async2sync or clk2fflogic which will (in a future commit) lower `$check`
to `$assert`, etc.

While `sim` should eventually support `$check` directly, using
`async2sync` is ok for the current tests that use `sim`, so this commit
also runs `async2sync` before running sim on designs containing
assertions.
 2024-02-01 16:14:11 +01:00
Jannis Harder 2baa578d94 Remove too fragile smtlib2_module test 
This compares the write_smt2 output pretty much verbatim, which contains
auto generated private names and fixes an arbitrary ordering. The tested
functionality is also covered by SBY tests which actually interpret the
write_smt2 output using an SMT solver and thus are much more robust, so
we can safely remove this test.
 2024-02-01 16:14:11 +01:00
Martin Povišer ea3dc7c1b4 rtlil: Add wire deletion test 2024-01-29 11:25:54 +01:00
Martin Povišer cb86efa50c celledges: Add test of shift cells edge data 2024-01-19 11:14:10 +01:00
Dag Lem a105d2c050 Add torture test for (* nowrshmsk *) stride optimization 2024-01-10 20:28:36 +01:00
N. Engelhardt d87bd7ca3f
Merge pull request #3887 from kivikakk/env-bash 
tests: use /usr/bin/env for bash.
 2023-12-18 16:33:35 +01:00
Jannis Harder 7b74caa5db peepopt: Fix padding for the peepopt_shiftmul_right pattern 
The previous version could easily generate a large amount of padding
when the constant factor was significantly larger than the width of the
shift data input. This could lead to huge amounts of logic being
generated before then being optimized away at a huge performance and
memory cost.

Additionally and more critically, when the input width was not a
multiple of the constant factor, the input data was padded with 'x bits
to such a multiple before interspersing the 'x padding needed to align
the selectable windows to power-of-two offsets.

Such a final padding would not be correct for shifts besides $shiftx,
and the previous version did attempt to remove that final padding at the
end so that the native zero/sign/x-extension behavior of the shift cell
would be used, but since the last selectable window also got
power-of-two padding appended after the padding the code is trying to
remove got added, it did not actually fully remove it in some cases.

I changed the code to only add 'x padding between selectable windows,
leaving the last selectable window unpadded. This omits the need to add
final padding to a multiple of the constant factor in the first place.
In turn, that means the only 'x bits added are actually impossible to
select. As a side effect no padding is added when the constant factor is
equal to or larger than the width of the shift data input, also solving
the reported performance bug.

This fixes #4056
 2023-12-06 18:35:44 +01:00
Charlotte d130f7fca2 tests: use /usr/bin/env for bash. 2023-08-12 11:59:39 +10:00
whitequark 9f8e039a4b ast: use new format string helpers. 2023-08-11 04:46:52 +02:00
Martin Povišer 7c6cc4c40b tests: Fix invocation of 'help -cells' 
There's no such thing as 'help -celltypes' and there probably never was.
 2023-07-10 12:42:09 +02:00
Jannis Harder a07f8ac38a check: Also check for conflicts with constant drivers 2023-06-23 18:07:28 +02:00
Miodrag Milanović 21e87f7986
Merge pull request #3646 from YosysHQ/lofty/fix-3591 
muxcover: do not add decode muxes with x inputs
 2023-02-27 16:26:57 +01:00
Jannis Harder ec94703619
Merge pull request #2995 from georgerennie/cover_precond 
chformal: Add -coverenable option
 2023-02-14 17:46:31 +01:00
Jannis Harder 85f611fb23
Merge pull request #3126 from georgerennie/equiv_make_assertions 
equiv_make: Add -make_assert option
 2023-02-14 17:15:55 +01:00
Jannis Harder b08a880704 backends/rtlil: Do not shorten a value with z bits to 'x 2023-01-29 14:02:25 +01:00
Lofty 822c7b0341 muxcover: do not add decode muxes with x inputs 2023-01-26 05:19:45 +00:00
Jannis Harder cf3570abde simplify: regression test for AST_CELLARRAY simplification issue 2022-12-07 18:41:55 +01:00
Jannis Harder 4d334fd3e3 smt2/smtbmc: Fix FF witness data for fine grained or multi chunk FFs 
The witness metadata was missing fine grained FFs completely and for
coarse grained FFs where the output connection has multiple chunks it
lacked the offset of the chunk within the SMT expression. This fixes
both, the later by adding an "smtoffset" field to the metadata.
 2022-10-12 19:48:36 +02:00
Miodrag Milanovic 5b5fe76966 Add test for bug 3462 2022-08-29 10:10:09 +02:00
Jannis Harder 5142fb3b5c write_aiger: Fix non-$_FF_ FFs 
This broke while switching sby's formal flows to always use $_FF_'s.
 2022-08-18 13:56:22 +02:00