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don't iterate over all impls when none match

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after:
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an additional 1% improvement
This commit is contained in:
Ariel Ben-Yehuda 2015-08-18 00:17:02 +03:00
parent 8aeaaac654
commit 13809ffff7
1 changed files with 5 additions and 6 deletions
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11
src/librustc/middle/ty.rs
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@ -3222,13 +3222,12 @@ impl<'tcx> TraitDef<'tcx> {
for &impl_def_id in impls {
f(impl_def_id);
}
return; // we don't need to process the other non-blanket impls
}
}
for v in self.nonblanket_impls.borrow().values() {
for &impl_def_id in v {
f(impl_def_id);
} else {
for v in self.nonblanket_impls.borrow().values() {
for &impl_def_id in v {
f(impl_def_id);
}
}
}
}