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Rollup merge of #94505 - cuviper:mono-item-sort-local, r=michaelwoerister,davidtwco

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Restore the local filter on mono item sorting

In `CodegenUnit::items_in_deterministic_order`, there's a comment that
only local HirIds should be taken into account, but #90408 removed the
`as_local` call that sets others to None. Restoring that check fixes the
s390x hangs seen in [RHBZ 2058803].

[RHBZ 2058803]: https://bugzilla.redhat.com/show_bug.cgi?id=2058803
This commit is contained in:
Dylan DPC 2022-03-03 01:09:14 +01:00 committed by GitHub
commit 3e6abf0c35
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2 changed files with 13 additions and 14 deletions
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9
compiler/rustc_middle/src/mir/mono.rs
View File

@ -7,6 +7,7 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc_hir::ItemId;
use rustc_index::vec::Idx;
use rustc_query_system::ich::{NodeIdHashingMode, StableHashingContext};
use rustc_session::config::OptLevel;
use rustc_span::source_map::Span;
@ -380,7 +381,7 @@ impl<'tcx> CodegenUnit<'tcx> {
// instances into account. The others don't matter for
// the codegen tests and can even make item order
// unstable.
InstanceDef::Item(def) => Some(def.did.index.as_usize()),
InstanceDef::Item(def) => def.did.as_local().map(Idx::index),
InstanceDef::VtableShim(..)
| InstanceDef::ReifyShim(..)
| InstanceDef::Intrinsic(..)
@ -391,10 +392,8 @@ impl<'tcx> CodegenUnit<'tcx> {
| InstanceDef::CloneShim(..) => None,
}
}
MonoItem::Static(def_id) => Some(def_id.index.as_usize()),
MonoItem::GlobalAsm(item_id) => {
Some(item_id.def_id.to_def_id().index.as_usize())
}
MonoItem::Static(def_id) => def_id.as_local().map(Idx::index),
MonoItem::GlobalAsm(item_id) => Some(item_id.def_id.index()),
},
item.symbol_name(tcx),
)

18
src/test/codegen/debuginfo-generic-closure-env-names.rs
View File

@ -3,7 +3,7 @@
// of the enclosing functions don't get lost.
//
// Unfortunately, the order that debuginfo gets emitted into LLVM IR becomes a bit hard
// to predict once async fns are involved.
// to predict once async fns are involved, so DAG allows any order.
//
// Note that the test does not check async-fns when targeting MSVC because debuginfo for
// those does not follow the enum-fallback encoding yet and thus is incomplete.
@ -27,24 +27,24 @@
// CHECK: ![[generic_async_block_NAMESPACE:[0-9]+]] = !DINamespace(name: "generic_async_block"
// function_containing_closure<u32>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}<u32>", scope: ![[function_containing_closure_NAMESPACE]]
// MSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "closure_env$0<u32>", scope: ![[function_containing_closure_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}<u32>", scope: ![[function_containing_closure_NAMESPACE]]
// MSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "closure_env$0<u32>", scope: ![[function_containing_closure_NAMESPACE]]
// generic_async_function<Foo>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_fn_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[generic_async_function_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_fn_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[generic_async_function_NAMESPACE]]
// generic_async_function<u32>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_fn_env#0}<u32>", scope: ![[generic_async_function_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_fn_env#0}<u32>", scope: ![[generic_async_function_NAMESPACE]]
// generic_async_block<Foo>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_block_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[generic_async_block_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_block_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[generic_async_block_NAMESPACE]]
// generic_async_block<u32>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_block_env#0}<u32>", scope: ![[generic_async_block_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{async_block_env#0}<u32>", scope: ![[generic_async_block_NAMESPACE]]
// function_containing_closure<Foo>()
// NONMSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[function_containing_closure_NAMESPACE]]
// MSVC: !DICompositeType(tag: DW_TAG_structure_type, name: "closure_env$0<debuginfo_generic_closure_env_names::Foo>", scope: ![[function_containing_closure_NAMESPACE]]
// NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}<debuginfo_generic_closure_env_names::Foo>", scope: ![[function_containing_closure_NAMESPACE]]
// MSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "closure_env$0<debuginfo_generic_closure_env_names::Foo>", scope: ![[function_containing_closure_NAMESPACE]]
#![crate_type = "lib"]