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yosys/tests/opt
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Jannis Harder ca5b910296 opt_merge: Add `-keepdc` option required for formal verification 
The `-keepdc` option prevents merging flipflops with dont-care bits in
their initial value, as, in general, this is not a valid transform for
formal verification.

The keepdc option of `opt` is passed along to `opt_merge` now.
 		2022-04-01 21:03:20 +02:00
..
.gitignore tests: add gitignores for auto-generated makefiles 2020-09-26 16:28:24 +02:00
bug1525.ys opt_share: Fix handling of fine cells. 2019-11-27 08:01:07 +01:00
bug1758.ys tests: add opt_expr tests 2020-04-23 15:58:36 -07:00
bug1854.ys Add new helper class for merging FFs into cells, use for memory_dff. 2021-05-23 14:46:59 +02:00
bug2010.ys Add testcase for #2010 2020-05-01 14:07:33 -07:00
bug2221.ys opt_expr: Fix crash on $mul optimization with more zeros removed than Y has. 2020-07-05 06:31:58 +02:00
bug2311.ys opt_expr: Fix handling of $_XNOR_ cells with A = B. 2020-07-29 12:41:43 +02:00
bug2318.ys peepopt.muldiv: Add a signedness check. 2020-08-04 16:30:24 +02:00
bug2623.ys rtlil: Disallow 0-width chunks in SigSpec. 2021-03-15 17:16:24 +01:00
bug2765.ys proc_memwr: Use the v2 memwr cell. 2021-08-11 13:34:10 +02:00
bug2766.ys opt_mem_feedback: Rewrite feedback path finding logic. 2021-05-24 23:20:30 +02:00
bug2824.ys Add regression test for #2824. 2021-06-11 12:06:35 +01:00
bug2920.ys opt_merge: Use FfInitVals. 2021-08-08 01:19:22 +02:00
bug3047.ys extract_reduce: Refactor and fix input signal construction. 2021-10-21 04:10:01 +02:00
bug3117.ys memory_share: Fix SAT-based sharing for wide ports. 2021-12-20 18:40:14 +01:00
memory_dff_trans.ys memory_share: Add -nosat and -nowiden options. 2021-08-14 00:09:04 +02:00
memory_map_offset.ys memory_map: Improve start_offset handling. 2021-05-31 17:45:21 +02:00
opt_clean_init.ys opt_clean: Remove init attribute bits together with removed DFFs. 2021-03-15 17:16:53 +01:00
opt_clean_mem.ys proc_memwr: Use the v2 memwr cell. 2021-08-11 13:34:10 +02:00
opt_dff_arst.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_clk.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_const.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_dffmux.ys peepopt: Remove now-redundant dffmux pattern. 2020-08-07 13:21:34 +02:00
opt_dff_en.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_mux.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_qd.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_dff_sr.ys opt_dff: Fix NOT gates wired in reverse. 2021-05-04 21:03:40 +02:00
opt_dff_srst.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_expr.ys opt_expr: Optimize multiplications with low 0 bits in operands. 2020-04-13 16:52:22 +02:00
opt_expr_alu.ys test: update opt_expr_alu test 2020-05-08 11:12:58 -07:00
opt_expr_and.ys tests: add opt_expr tests 2020-04-23 15:58:36 -07:00
opt_expr_cmp.v opt_expr: improve simplification of comparisons with large constants. 2019-01-02 15:45:28 +00:00
opt_expr_cmp.ys opt_expr: simplify any unsigned comparisons with all-0 and all-1. 2019-01-02 02:45:49 +00:00
opt_expr_combined_assign.ys Add sub-assign and and-assign tests 2020-06-25 14:32:05 +02:00
opt_expr_constconn.v opt_expr: Propagate constants to port connections. 2021-07-27 20:44:26 +02:00
opt_expr_constconn.ys opt_expr: Propagate constants to port connections. 2021-07-27 20:44:26 +02:00
opt_expr_consumex.ys tests: opt_expr tests that depend on consumex 2020-05-08 11:07:11 -07:00
opt_expr_or.ys tests: add opt_expr tests 2020-04-23 15:58:36 -07:00
opt_expr_xnor.ys opt_expr: const_xnor replacement to pad Y with 1'b1 2020-04-24 14:13:45 -07:00
opt_expr_xor.ys tests: opt_expr update xnor/xor tests 2020-04-24 11:16:25 -07:00
opt_lut.v opt_lut: new pass, to combine LUTs for tighter packing. 2018-12-05 16:30:37 +00:00
opt_lut.ys Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder" 2019-08-12 12:06:45 -07:00
opt_lut_elim.il opt_lut: eliminate LUTs evaluating to constants or inputs. 2018-12-31 23:55:40 +00:00
opt_lut_elim.ys opt_lut: eliminate LUTs evaluating to constants or inputs. 2018-12-31 23:55:40 +00:00
opt_lut_ins.ys Add opt_lut_ins pass. (#1673) 2020-02-03 14:57:17 +01:00
opt_lut_port.il opt_lut: leave intact LUTs with cascade feeding module outputs. 2018-12-07 17:13:52 +00:00
opt_lut_port.ys opt_lut: eliminate LUTs evaluating to constants or inputs. 2018-12-31 23:55:40 +00:00
opt_mem_feedback.ys Add v2 memory cells. 2021-08-11 13:34:10 +02:00
opt_mem_priority.ys memory_share: Add -nosat and -nowiden options. 2021-08-14 00:09:04 +02:00
opt_merge_init.ys opt_merge: Add `-keepdc` option required for formal verification 2022-04-01 21:03:20 +02:00
opt_merge_keep.ys opt_merge: speedup 2020-03-16 12:43:54 -07:00
opt_reduce_bmux.ys opt_reduce: Add $bmux and $demux optimization patterns. 2022-01-30 03:37:52 +01:00
opt_reduce_demux.ys opt_reduce: Add $bmux and $demux optimization patterns. 2022-01-30 03:37:52 +01:00
opt_rmdff.v Fix tests/opt/opt_rmdff 2020-06-09 22:48:26 +02:00
opt_rmdff.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_rmdff_sat.v Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder" 2019-08-12 12:06:45 -07:00
opt_rmdff_sat.ys Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_share_add_sub.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_add_sub.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_bug2334.ys opt_share: Refactor, fix some bugs. 2020-08-17 17:26:36 +02:00
opt_share_bug2335.ys opt_share: Refactor, fix some bugs. 2020-08-17 17:26:36 +02:00
opt_share_bug2336.ys opt_share: Refactor, fix some bugs. 2020-08-17 17:26:36 +02:00
opt_share_bug2538.ys opt_share: Fix X and CO signal width for shifted $alu in opt_share. 2021-01-14 14:54:08 +01:00
opt_share_cat.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_cat.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_cat_multiuser.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_cat_multiuser.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_diff_port_widths.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_diff_port_widths.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_extend.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_extend.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_large_pmux_cat.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_large_pmux_cat.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_large_pmux_cat_multipart.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_large_pmux_cat_multipart.ys Fix wrong results when opt_share called before opt_clean 2019-08-07 09:30:58 +02:00
opt_share_large_pmux_multipart.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_large_pmux_multipart.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_large_pmux_part.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_large_pmux_part.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
opt_share_mux_tree.v Tabs to spaces in opt_share examples 2019-08-03 12:35:46 +02:00
opt_share_mux_tree.ys Reimplement opt_share to work on $alu and $pmux 2019-07-28 16:03:54 +02:00
run-test.sh tests: Centralize test collection and Makefile generation 2020-09-21 15:07:02 +02:00