Rename option and add doc

4 files changed, 40 insertions, 45 deletions

diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index 0a442f44a8d..d68da52be11 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -998,12 +998,12 @@ fn build_field_di_node<'ll, 'tcx>(
     type_di_node: &'ll DIType,
     def_id: Option<DefId>,
 ) -> &'ll DIType {
-    let (file_metadata, line_number) =
-        if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
-            file_metadata_from_def_id(cx, def_id)
-        } else {
-            (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
-        };
+    let (file_metadata, line_number) = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers
+    {
+        file_metadata_from_def_id(cx, def_id)
+    } else {
+        (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
+    };
     unsafe {
         llvm::LLVMRustDIBuilderCreateMemberType(
             DIB(cx),
@@ -1055,7 +1055,7 @@ fn build_struct_type_di_node<'ll, 'tcx>(
     let containing_scope = get_namespace_for_item(cx, adt_def.did());
     let struct_type_and_layout = cx.layout_of(struct_type);
     let variant_def = adt_def.non_enum_variant();
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(adt_def.did())))
     } else {
         None
@@ -1088,8 +1088,7 @@ fn build_struct_type_di_node<'ll, 'tcx>(
                         Cow::Borrowed(f.name.as_str())
                     };
                     let field_layout = struct_type_and_layout.field(cx, i);
-                    let def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo
-                    {
+                    let def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
                         Some(f.did)
                     } else {
                         None
@@ -1221,7 +1220,7 @@ fn build_closure_env_di_node<'ll, 'tcx>(
     let containing_scope = get_namespace_for_item(cx, def_id);
     let type_name = compute_debuginfo_type_name(cx.tcx, closure_env_type, false);
 
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(def_id)))
     } else {
         None
@@ -1258,7 +1257,7 @@ fn build_union_type_di_node<'ll, 'tcx>(
     let containing_scope = get_namespace_for_item(cx, union_def_id);
     let union_ty_and_layout = cx.layout_of(union_type);
     let type_name = compute_debuginfo_type_name(cx.tcx, union_type, false);
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(union_def_id)))
     } else {
         None
@@ -1284,8 +1283,7 @@ fn build_union_type_di_node<'ll, 'tcx>(
                 .enumerate()
                 .map(|(i, f)| {
                     let field_layout = union_ty_and_layout.field(cx, i);
-                    let def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo
-                    {
+                    let def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
                         Some(f.did)
                     } else {
                         None
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs
index 83a0af851bd..81a77ef4e98 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs
@@ -192,7 +192,7 @@ pub(super) fn build_enum_type_di_node<'ll, 'tcx>(
 
     assert!(!wants_c_like_enum_debuginfo(cx.tcx, enum_type_and_layout));
 
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(enum_adt_def.did())))
     } else {
         None
@@ -269,7 +269,7 @@ pub(super) fn build_coroutine_di_node<'ll, 'tcx>(
     unique_type_id: UniqueTypeId<'tcx>,
 ) -> DINodeCreationResult<'ll> {
     let coroutine_type = unique_type_id.expect_ty();
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         let &ty::Coroutine(coroutine_def_id, _) = coroutine_type.kind() else {
             bug!("build_coroutine_di_node() called with non-coroutine type: `{:?}`", coroutine_type)
         };
@@ -337,7 +337,7 @@ fn build_single_variant_union_fields<'ll, 'tcx>(
     let tag_base_type_di_node = type_di_node(cx, tag_base_type);
     let tag_base_type_align = cx.align_of(tag_base_type);
 
-    let enum_adt_def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let enum_adt_def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(enum_adt_def.did())
     } else {
         None
@@ -408,7 +408,7 @@ fn build_union_fields_for_enum<'ll, 'tcx>(
 ) -> SmallVec<&'ll DIType> {
     let tag_base_type = tag_base_type(cx.tcx, enum_type_and_layout);
 
-    let enum_adt_def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let enum_adt_def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(enum_adt_def.did())
     } else {
         None
@@ -721,7 +721,7 @@ fn build_union_fields_for_direct_tag_coroutine<'ll, 'tcx>(
         variant_range
             .clone()
             .map(|variant_index| (variant_index, CoroutineArgs::variant_name(variant_index))),
-        if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+        if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
             Some(coroutine_def_id)
         } else {
             None
@@ -818,7 +818,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>(
             tag_base_type_di_node,
             tag_base_type,
             variant_member_info.discr,
-            if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+            if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
                 variant_member_info.source_info
             } else {
                 None
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
index 16ae8dc37e5..1486096ddcb 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
@@ -68,7 +68,7 @@ fn build_c_style_enum_di_node<'ll, 'tcx>(
     enum_type_and_layout: TyAndLayout<'tcx>,
 ) -> DINodeCreationResult<'ll> {
     let containing_scope = get_namespace_for_item(cx, enum_adt_def.did());
-    let enum_adt_def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let enum_adt_def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(enum_adt_def.did())
     } else {
         None
@@ -122,12 +122,12 @@ fn build_enumeration_type_di_node<'ll, 'tcx>(
         })
         .collect();
 
-    let (file_metadata, line_number) =
-        if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
-            file_metadata_from_def_id(cx, def_id)
-        } else {
-            (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
-        };
+    let (file_metadata, line_number) = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers
+    {
+        file_metadata_from_def_id(cx, def_id)
+    } else {
+        (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
+    };
 
     unsafe {
         llvm::LLVMRustDIBuilderCreateEnumerationType(
@@ -207,7 +207,7 @@ fn build_enum_variant_struct_type_di_node<'ll, 'tcx>(
 ) -> &'ll DIType {
     assert_eq!(variant_layout.ty, enum_type_and_layout.ty);
 
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(variant_def.def_id)))
     } else {
         None
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs
index 326aba7d2f3..3b4c6ea0893 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs
@@ -56,7 +56,7 @@ pub(super) fn build_enum_type_di_node<'ll, 'tcx>(
 
     assert!(!wants_c_like_enum_debuginfo(cx.tcx, enum_type_and_layout));
 
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(enum_adt_def.did())))
     } else {
         None
@@ -92,8 +92,7 @@ pub(super) fn build_enum_type_di_node<'ll, 'tcx>(
                         enum_type_and_layout.for_variant(cx, variant_index),
                         visibility_flags,
                     ),
-                    source_info: if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo
-                    {
+                    source_info: if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
                         Some(file_metadata_from_def_id(
                             cx,
                             Some(enum_adt_def.variant(variant_index).def_id),
@@ -104,8 +103,7 @@ pub(super) fn build_enum_type_di_node<'ll, 'tcx>(
                 })
                 .collect();
 
-            let enum_adt_def_id = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo
-            {
+            let enum_adt_def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
                 Some(enum_adt_def.did())
             } else {
                 None
@@ -157,7 +155,7 @@ pub(super) fn build_coroutine_di_node<'ll, 'tcx>(
 
     let coroutine_type_name = compute_debuginfo_type_name(cx.tcx, coroutine_type, false);
 
-    let def_location = if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
+    let def_location = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
         Some(file_metadata_from_def_id(cx, Some(coroutine_def_id)))
     } else {
         None
@@ -227,12 +225,11 @@ pub(super) fn build_coroutine_di_node<'ll, 'tcx>(
                 })
                 .collect();
 
-            let generator_def_id =
-                if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
-                    Some(generator_def_id)
-                } else {
-                    None
-                };
+            let coroutine_def_id = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers {
+                Some(coroutine_def_id)
+            } else {
+                None
+            };
             smallvec![build_enum_variant_part_di_node(
                 cx,
                 coroutine_type_and_layout,
@@ -274,12 +271,12 @@ fn build_enum_variant_part_di_node<'ll, 'tcx>(
     let variant_part_unique_type_id =
         UniqueTypeId::for_enum_variant_part(cx.tcx, enum_type_and_layout.ty);
 
-    let (file_metadata, line_number) =
-        if cx.sess().opts.unstable_opts.more_source_locations_in_debuginfo {
-            file_metadata_from_def_id(cx, enum_type_def_id)
-        } else {
-            (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
-        };
+    let (file_metadata, line_number) = if cx.sess().opts.unstable_opts.debug_info_type_line_numbers
+    {
+        file_metadata_from_def_id(cx, enum_type_def_id)
+    } else {
+        (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)
+    };
 
     let stub = StubInfo::new(
         cx,