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bugpoint: Document -wires flag

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Krystine Sherwin 2025-03-22 17:15:55 +13:00
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5
docs/source/using_yosys/bugpoint.rst
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@ -99,8 +99,9 @@ How do I use bugpoint?
design.il`` to print only the error message(s) and use that (or a portion of
that) as the ``<string>`` to search for
- ``-modules``, ``-ports``, ``-cells``, and ``-processes`` will enable those
parts of the design to be removed (default is to allow removing all)
- ``-modules``, ``-ports``, ``-cells``, ``-processes``, and ``-wires`` will
enable only those parts of the design to be removed (default is to allow
removing all)
+ use the ``bugpoint_keep`` attribute on objects you don't want to be
removed, usually because you already know they are related to the failure

4
passes/cmds/bugpoint.cc
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@ -89,6 +89,10 @@ struct BugpointPass : public Pass {
log(" -updates\n");
log(" try to remove process updates from syncs.\n");
log("\n");
log(" -wires\n");
log(" try to remove wires. wires with a (* bugpoint_keep *) attribute will be\n");
log(" skipped.");
log("\n");
log(" -runner \"<prefix>\"\n");
log(" child process wrapping command, e.g., \"timeout 30\", or valgrind.\n");
log("\n");