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opt_muxtree: comment wording

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This commit is contained in:
Emil J. Tywoniak 2025-08-25 16:36:07 +02:00
parent 4dea774171
commit b45e5854bf
1 changed files with 5 additions and 2 deletions
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7
passes/opt/opt_muxtree.cc
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@ -427,14 +427,17 @@ struct OptMuxtreeWorker
if (root_enable_muxes.at(m)) if (root_enable_muxes.at(m))
continue; continue;
else if (root_muxes.at(m)) { else if (root_muxes.at(m)) {
// This leaf node of the current tree
// is the root of an input tree of the current tree
if (limits.recursions_left == 0) { if (limits.recursions_left == 0) {
// Ran out of subtree depth, re-eval this subtree in the next re-run // Ran out of subtree depth, re-eval this input tree in the next re-run
root_mux_rerun.insert(m); root_mux_rerun.insert(m);
root_enable_muxes.at(m) = true; root_enable_muxes.at(m) = true;
log_debug(" Removing pure flag from root mux %s.\n", log_id(mux2info[m].cell)); log_debug(" Removing pure flag from root mux %s.\n", log_id(mux2info[m].cell));
} else { } else {
auto new_limits = limits.subtree(); auto new_limits = limits.subtree();
// Since our knowledge includes assumption, we can't generally allow replacing based on it // Since our knowledge includes assumption,
// we can't generally allow replacing in an input tree based on it
new_limits.do_replace_known = false; new_limits.do_replace_known = false;
eval_mux(knowledge, m, new_limits); eval_mux(knowledge, m, new_limits);
} }