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Pass IdString by value instead of by const reference.

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When IdString refcounting was expensive, it made sense to pass it by const reference
instead of by value, to avoid refcount churn. Now that IdString is not refcounted,
it's slightly more efficient to pass it by value.
This commit is contained in:
Robert O'Callahan 2025-12-22 01:52:59 +00:00
parent 64a933d77b
commit 46cb05c471
15 changed files with 108 additions and 108 deletions
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2
passes/techmap/bufnorm.cc
View file

@ -415,7 +415,7 @@ struct BufnormPass : public Pass {
return mapped_bits.at(bit);
};
auto make_buffer_f = [&](const IdString &type, const SigSpec &src, const SigSpec &dst)
auto make_buffer_f = [&](IdString type, const SigSpec &src, const SigSpec &dst)
{
auto it = old_buffers.find(pair<IdString, SigSpec>(type, dst));

2
passes/techmap/simplemap.cc
View file

@ -27,7 +27,7 @@
USING_YOSYS_NAMESPACE
YOSYS_NAMESPACE_BEGIN
static void transfer_attr (Cell* to, const Cell* from, const IdString& attr) {
static void transfer_attr (Cell* to, const Cell* from, IdString attr) {
if (from->has_attribute(attr))
to->attributes[attr] = from->attributes.at(attr);
}