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Optimize IdString::empty()

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I actually saw this take 0.6% of the time in an `opt_clean` pass (under Module::check()).
Trivial issue, but the fix is also trivial and simple.
This commit is contained in:
Robert O'Callahan 2025-10-01 02:47:47 +00:00
parent 7719beb4ae
commit d45223976a
1 changed files with 1 additions and 1 deletions
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2
kernel/rtlil.h
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@ -411,7 +411,7 @@ struct RTLIL::IdString
}
bool empty() const {
return c_str()[0] == 0;
return index_ == 0;
}
void clear() {