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add rustc_abi debugging attribute

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This commit is contained in:
Ralf Jung 2023-08-25 23:01:06 +02:00
parent b60f7b51a2
commit abe2148aee
12 changed files with 422 additions and 29 deletions
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19
compiler/rustc_passes/src/layout_test.rs
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@ -11,16 +11,17 @@ use rustc_target::abi::{HasDataLayout, TargetDataLayout};
use crate::errors::{Abi, Align, HomogeneousAggregate, LayoutOf, Size, UnrecognizedField};
pub fn test_layout(tcx: TyCtxt<'_>) {
if tcx.features().rustc_attrs {
if !tcx.features().rustc_attrs {
// if the `rustc_attrs` feature is not enabled, don't bother testing layout
for id in tcx.hir().items() {
if matches!(
tcx.def_kind(id.owner_id),
DefKind::TyAlias { .. } | DefKind::Enum | DefKind::Struct | DefKind::Union
) {
for attr in tcx.get_attrs(id.owner_id, sym::rustc_layout) {
dump_layout_of(tcx, id.owner_id.def_id, attr);
}
return;
}
for id in tcx.hir().items() {
if matches!(
tcx.def_kind(id.owner_id),
DefKind::TyAlias { .. } | DefKind::Enum | DefKind::Struct | DefKind::Union
) {
for attr in tcx.get_attrs(id.owner_id, sym::rustc_layout) {
dump_layout_of(tcx, id.owner_id.def_id, attr);
}
}
}