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Roll back a few #[instrument]

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Apparently this interferes with inlining and murders performance
on `wg-grammar`.
This commit is contained in:
Amanda Stjerna 2024-05-21 10:18:44 +02:00
parent aee846224c
commit 7782d2023b
1 changed files with 12 additions and 15 deletions
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27
compiler/rustc_borrowck/src/region_infer/mod.rs
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@ -1643,26 +1643,33 @@ impl<'tcx> RegionInferenceContext<'tcx> {
/// that cannot be named by `fr1`; in that case, we will require
/// that `fr1: 'static` because it is the only way to `fr1: r` to
/// be satisfied. (See `add_incompatible_universe`.)
#[instrument(skip(self), ret)]
pub(crate) fn provides_universal_region(
&self,
r: RegionVid,
fr1: RegionVid,
fr2: RegionVid,
) -> bool {
let fr2_is_static = fr2 == self.universal_regions.fr_static;
r == fr2 || (fr2_is_static && self.cannot_name_placeholder(fr1, r))
debug!("provides_universal_region(r={:?}, fr1={:?}, fr2={:?})", r, fr1, fr2);
let result = {
r == fr2 || {
fr2 == self.universal_regions.fr_static && self.cannot_name_placeholder(fr1, r)
}
};
debug!("provides_universal_region: result = {:?}", result);
result
}
/// If `r2` represents a placeholder region, then this returns
/// `true` if `r1` cannot name that placeholder in its
/// value; otherwise, returns `false`.
#[instrument(skip(self), ret)]
pub(crate) fn cannot_name_placeholder(&self, r1: RegionVid, r2: RegionVid) -> bool {
match self.definitions[r2].origin {
NllRegionVariableOrigin::Placeholder(placeholder) => {
let r1_universe = self.definitions[r1].universe;
debug!(?placeholder, ?r1_universe);
debug!(
"cannot_name_value_of: universe1={r1_universe:?} placeholder={:?}",
placeholder
);
r1_universe.cannot_name(placeholder.universe)
}
@ -2162,16 +2169,6 @@ impl<'tcx> RegionDefinition<'tcx> {
Self { origin, universe, external_name: None }
}
#[inline(always)]
pub fn is_placeholder(&self) -> bool {
matches!(self.origin, NllRegionVariableOrigin::Placeholder(_))
}
#[inline(always)]
pub fn is_existential(&self) -> bool {
matches!(self.origin, NllRegionVariableOrigin::Existential { .. })
}
}
#[derive(Clone, Debug)]