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Auto merge of #91957 - nnethercote:rm-SymbolStr, r=oli-obk

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Remove `SymbolStr`

This was originally proposed in https://github.com/rust-lang/rust/pull/74554#discussion_r466203544. As well as removing the icky `SymbolStr` type, it allows the removal of a lot of `&` and `*` occurrences.

Best reviewed one commit at a time.

r? `@oli-obk`
This commit is contained in:
bors
2021-12-19 09:31:37 +00:00
parent 8f54061900 b1c934ebb8
commit a41a6925ba
140 changed files with 354 additions and 415 deletions
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15
compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
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@@ -1037,7 +1037,7 @@ pub fn compile_unit_metadata<'ll, 'tcx>(
) -> &'ll DIDescriptor {
let mut name_in_debuginfo = match tcx.sess.local_crate_source_file {
Some(ref path) => path.clone(),
None => PathBuf::from(&*tcx.crate_name(LOCAL_CRATE).as_str()),
None => PathBuf::from(tcx.crate_name(LOCAL_CRATE).as_str()),
};
// To avoid breaking split DWARF, we need to ensure that each codegen unit
@@ -1371,7 +1371,7 @@ fn closure_saved_names_of_captured_variables(tcx: TyCtxt<'_>, def_id: DefId) ->
_ => return None,
};
let prefix = if is_ref { "_ref__" } else { "" };
Some(prefix.to_owned() + &var.name.as_str())
Some(prefix.to_owned() + var.name.as_str())
})
.collect::<Vec<_>>()
}
@@ -1949,7 +1949,7 @@ enum VariantInfo<'a, 'tcx> {
impl<'tcx> VariantInfo<'_, 'tcx> {
fn map_struct_name<R>(&self, f: impl FnOnce(&str) -> R) -> R {
match self {
VariantInfo::Adt(variant) => f(&variant.ident.as_str()),
VariantInfo::Adt(variant) => f(variant.ident.as_str()),
VariantInfo::Generator { variant_index, .. } => {
f(&GeneratorSubsts::variant_name(*variant_index))
}
@@ -2114,8 +2114,8 @@ fn prepare_enum_metadata<'ll, 'tcx>(
let item_name;
let discriminant_name = match enum_type.kind() {
ty::Adt(..) => {
item_name = tcx.item_name(enum_def_id).as_str();
&*item_name
item_name = tcx.item_name(enum_def_id);
item_name.as_str()
}
ty::Generator(..) => enum_name.as_str(),
_ => bug!(),
@@ -2448,7 +2448,7 @@ fn compute_type_parameters<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>) -
cx.tcx.normalize_erasing_regions(ParamEnv::reveal_all(), ty);
let actual_type_metadata =
type_metadata(cx, actual_type, rustc_span::DUMMY_SP);
let name = &name.as_str();
let name = name.as_str();
Some(unsafe {
Some(llvm::LLVMRustDIBuilderCreateTemplateTypeParameter(
DIB(cx),
@@ -2590,7 +2590,8 @@ pub fn create_global_var_metadata<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId, g
let is_local_to_unit = is_node_local_to_unit(cx, def_id);
let variable_type = Instance::mono(cx.tcx, def_id).ty(cx.tcx, ty::ParamEnv::reveal_all());
let type_metadata = type_metadata(cx, variable_type, span);
let var_name = tcx.item_name(def_id).as_str();
let var_name = tcx.item_name(def_id);
let var_name = var_name.as_str();
let linkage_name = mangled_name_of_instance(cx, Instance::mono(tcx, def_id)).name;
// When empty, linkage_name field is omitted,
// which is what we want for no_mangle statics