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various nits from review

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This commit is contained in:
Ralf Jung 2022-07-20 10:47:49 -04:00
parent 9cbd1066d7
commit 0318f07bdd
5 changed files with 6 additions and 8 deletions
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1
compiler/rustc_codegen_cranelift/src/constant.rs
View file

@ -369,7 +369,6 @@ fn define_all_allocs(tcx: TyCtxt<'_>, module: &mut dyn Module, cx: &mut Constant
while let Some(todo_item) = cx.todo.pop() {
let (data_id, alloc, section_name) = match todo_item {
TodoItem::Alloc(alloc_id) => {
//println!("alloc_id {}", alloc_id);
let alloc = match tcx.global_alloc(alloc_id) {
GlobalAlloc::Memory(alloc) => alloc,
GlobalAlloc::Function(_) | GlobalAlloc::Static(_) | GlobalAlloc::VTable(..) => {

5
compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
View file

@ -9,7 +9,10 @@ use crate::MemFlags;
use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_span::{sym, Span};
use rustc_target::abi::{WrappingRange, call::{FnAbi, PassMode}};
use rustc_target::abi::{
call::{FnAbi, PassMode},
WrappingRange,
};
fn copy_intrinsic<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
bx: &mut Bx,

2
compiler/rustc_middle/src/mir/interpret/mod.rs
View file

@ -366,7 +366,7 @@ impl<'s> AllocDecodingSession<'s> {
}
AllocDiscriminant::VTable => {
assert!(alloc_id.is_none());
trace!("creating static alloc ID");
trace!("creating vtable alloc ID");
let ty = <Ty<'_> as Decodable<D>>::decode(decoder);
let poly_trait_ref =
<Option<ty::PolyExistentialTraitRef<'_>> as Decodable<D>>::decode(decoder);

3
compiler/rustc_monomorphize/src/collector.rs
View file

@ -1428,9 +1428,6 @@ fn collect_miri<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoIte
}
}
GlobalAlloc::VTable(ty, trait_ref) => {
// FIXME(RJ) no ideas if this is correct. There is this nice
// `create_mono_items_for_vtable_methods` method but I wouldn't know how to call it from
// here. So instead we just generate the actual vtable and recurse.
let alloc_id = tcx.vtable_allocation((ty, trait_ref));
collect_miri(tcx, alloc_id, output)
}

3
library/core/src/ptr/metadata.rs
View file

@ -185,8 +185,7 @@ extern "C" {
/// Opaque type for accessing vtables.
///
/// Private implementation detail of `DynMetadata::size_of` etc.
/// Must be zero-sized since there is conceptually not actually any Abstract Machine memory behind this pointer.
/// However, we can require pointer alignment.
/// There is conceptually not actually any Abstract Machine memory behind this pointer.
type VTable;
}