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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_transmute/src/layout/tree.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_transmute/src/layout/tree.rs | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index 70b3ba02b..211c813b8 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -1,4 +1,5 @@ use super::{Byte, Def, Ref}; +use std::ops::ControlFlow; #[cfg(test)] mod tests; @@ -86,17 +87,18 @@ where F: Fn(D) -> bool, { match self { - Self::Seq(elts) => elts - .into_iter() - .map(|elt| elt.prune(f)) - .try_fold(Tree::unit(), |elts, elt| { + Self::Seq(elts) => match elts.into_iter().map(|elt| elt.prune(f)).try_fold( + Tree::unit(), + |elts, elt| { if elt == Tree::uninhabited() { - Err(Tree::uninhabited()) + ControlFlow::Break(Tree::uninhabited()) } else { - Ok(elts.then(elt)) + ControlFlow::Continue(elts.then(elt)) } - }) - .into_ok_or_err(), + }, + ) { + ControlFlow::Break(node) | ControlFlow::Continue(node) => node, + }, Self::Alt(alts) => alts .into_iter() .map(|alt| alt.prune(f)) @@ -315,7 +317,7 @@ pub(crate) mod rustc { tcx, )?, AdtKind::Enum => { - tracing::trace!(?adt_def, "treeifying enum"); + trace!(?adt_def, "treeifying enum"); let mut tree = Tree::uninhabited(); for (idx, discr) in adt_def.discriminants(tcx) { @@ -379,7 +381,7 @@ pub(crate) mod rustc { let clamp = |align: Align| align.clamp(min_align, max_align).bytes().try_into().unwrap(); - let variant_span = tracing::trace_span!( + let variant_span = trace_span!( "treeifying variant", min_align = ?min_align, max_align = ?max_align, @@ -394,27 +396,27 @@ pub(crate) mod rustc { // The layout of the variant is prefixed by the discriminant, if any. if let Some(discr) = discr { - tracing::trace!(?discr, "treeifying discriminant"); + trace!(?discr, "treeifying discriminant"); let discr_layout = alloc::Layout::from_size_align( layout_summary.discriminant_size, clamp(layout_summary.discriminant_align), ) .unwrap(); - tracing::trace!(?discr_layout, "computed discriminant layout"); + trace!(?discr_layout, "computed discriminant layout"); variant_layout = variant_layout.extend(discr_layout).unwrap().0; tree = tree.then(Self::from_disr(discr, tcx, layout_summary.discriminant_size)); } // Next come fields. - let fields_span = tracing::trace_span!("treeifying fields").entered(); + let fields_span = trace_span!("treeifying fields").entered(); for field_def in variant_def.fields.iter() { let field_ty = field_def.ty(tcx, substs_ref); - let _span = tracing::trace_span!("treeifying field", field = ?field_ty).entered(); + let _span = trace_span!("treeifying field", field = ?field_ty).entered(); // begin with the field's visibility tree = tree.then(Self::def(Def::Field(field_def))); - // compute the field's layout charactaristics + // compute the field's layout characteristics let field_layout = layout_of(tcx, field_ty)?.clamp_align(min_align, max_align); // next comes the field's padding @@ -432,7 +434,7 @@ pub(crate) mod rustc { drop(fields_span); // finally: padding - let padding_span = tracing::trace_span!("adding trailing padding").entered(); + let padding_span = trace_span!("adding trailing padding").entered(); let padding_needed = layout_summary.total_size - variant_layout.size(); if padding_needed > 0 { tree = tree.then(Self::padding(padding_needed)); @@ -465,7 +467,7 @@ pub(crate) mod rustc { layout.align().abi.bytes().try_into().unwrap(), ) .unwrap(); - tracing::trace!(?ty, ?layout, "computed layout for type"); + trace!(?ty, ?layout, "computed layout for type"); Ok(layout) } } |