bjoernager/rust
bjoernager/rust
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Use wide pointers consistenly across the compiler

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This commit is contained in:
Urgau 2024-10-03 15:05:23 +02:00
parent f7c8928f03
commit 018ba0528f
41 changed files with 120 additions and 120 deletions
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6
compiler/rustc_mir_transform/src/gvn.rs
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@ -1137,7 +1137,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
(UnOp::PtrMetadata, Value::Aggregate(AggregateTy::RawPtr { .. }, _, fields)) => {
return Some(fields[1]);
}
// We have an unsizing cast, which assigns the length to fat pointer metadata.
// We have an unsizing cast, which assigns the length to wide pointer metadata.
(
UnOp::PtrMetadata,
Value::Cast {
@ -1421,7 +1421,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
let mut inner = self.simplify_place_value(place, location)?;
// The length information is stored in the fat pointer.
// The length information is stored in the wide pointer.
// Reborrowing copies length information from one pointer to the other.
while let Value::Address { place: borrowed, .. } = self.get(inner)
&& let [PlaceElem::Deref] = borrowed.projection[..]
@ -1430,7 +1430,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
inner = borrowed;
}
// We have an unsizing cast, which assigns the length to fat pointer metadata.
// We have an unsizing cast, which assigns the length to wide pointer metadata.
if let Value::Cast { kind, from, to, .. } = self.get(inner)
&& let CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _) = kind
&& let Some(from) = from.builtin_deref(true)