diff options
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/consts.rs | 28 | ||||
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/base.rs | 13 |
2 files changed, 18 insertions, 23 deletions
diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index 1672601d36f..90a51f75e0e 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -19,7 +19,6 @@ use rustc_middle::mir::mono::MonoItem; use rustc_middle::ty::{self, Instance, Ty}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::sym; -use rustc_span::Span; use rustc_target::abi::{AddressSpace, Align, HasDataLayout, LayoutOf, Primitive, Scalar, Size}; use tracing::debug; @@ -110,7 +109,7 @@ fn check_and_apply_linkage( attrs: &CodegenFnAttrs, ty: Ty<'tcx>, sym: &str, - span: Span, + span_def_id: DefId, ) -> &'ll Value { let llty = cx.layout_of(ty).llvm_type(cx); if let Some(linkage) = attrs.linkage { @@ -125,7 +124,7 @@ fn check_and_apply_linkage( cx.layout_of(mt.ty).llvm_type(cx) } else { cx.sess().span_fatal( - span, + cx.tcx.def_span(span_def_id), "must have type `*const T` or `*mut T` due to `#[linkage]` attribute", ) }; @@ -143,7 +142,10 @@ fn check_and_apply_linkage( let mut real_name = "_rust_extern_with_linkage_".to_string(); real_name.push_str(&sym); let g2 = cx.define_global(&real_name, llty).unwrap_or_else(|| { - cx.sess().span_fatal(span, &format!("symbol `{}` is already defined", &sym)) + cx.sess().span_fatal( + cx.tcx.def_span(span_def_id), + &format!("symbol `{}` is already defined", &sym), + ) }); llvm::LLVMRustSetLinkage(g2, llvm::Linkage::InternalLinkage); llvm::LLVMSetInitializer(g2, g1); @@ -210,21 +212,21 @@ impl CodegenCx<'ll, 'tcx> { debug!("get_static: sym={} instance={:?}", sym, instance); - let g = if let Some(def_id) = def_id.as_local() { - let id = self.tcx.hir().local_def_id_to_hir_id(def_id); + let g = if let Some(local_def_id) = def_id.as_local() { + let id = self.tcx.hir().local_def_id_to_hir_id(local_def_id); let llty = self.layout_of(ty).llvm_type(self); // FIXME: refactor this to work without accessing the HIR let (g, attrs) = match self.tcx.hir().get(id) { - Node::Item(&hir::Item { attrs, span, kind: hir::ItemKind::Static(..), .. }) => { + Node::Item(&hir::Item { attrs, kind: hir::ItemKind::Static(..), .. }) => { if let Some(g) = self.get_declared_value(sym) { if self.val_ty(g) != self.type_ptr_to(llty) { - span_bug!(span, "Conflicting types for static"); + span_bug!(self.tcx.def_span(def_id), "Conflicting types for static"); } } let g = self.declare_global(sym, llty); - if !self.tcx.is_reachable_non_generic(def_id) { + if !self.tcx.is_reachable_non_generic(local_def_id) { unsafe { llvm::LLVMRustSetVisibility(g, llvm::Visibility::Hidden); } @@ -235,12 +237,11 @@ impl CodegenCx<'ll, 'tcx> { Node::ForeignItem(&hir::ForeignItem { ref attrs, - span, kind: hir::ForeignItemKind::Static(..), .. }) => { - let fn_attrs = self.tcx.codegen_fn_attrs(def_id); - (check_and_apply_linkage(&self, &fn_attrs, ty, sym, span), &**attrs) + let fn_attrs = self.tcx.codegen_fn_attrs(local_def_id); + (check_and_apply_linkage(&self, &fn_attrs, ty, sym, def_id), &**attrs) } item => bug!("get_static: expected static, found {:?}", item), @@ -260,8 +261,7 @@ impl CodegenCx<'ll, 'tcx> { debug!("get_static: sym={} item_attr={:?}", sym, self.tcx.item_attrs(def_id)); let attrs = self.tcx.codegen_fn_attrs(def_id); - let span = self.tcx.def_span(def_id); - let g = check_and_apply_linkage(&self, &attrs, ty, sym, span); + let g = check_and_apply_linkage(&self, &attrs, ty, sym, def_id); // Thread-local statics in some other crate need to *always* be linked // against in a thread-local fashion, so we need to be sure to apply the diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 2486dde0e06..afb407b35be 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -46,7 +46,6 @@ use rustc_session::cgu_reuse_tracker::CguReuse; use rustc_session::config::{self, EntryFnType}; use rustc_session::utils::NativeLibKind; use rustc_session::Session; -use rustc_span::Span; use rustc_symbol_mangling::test as symbol_names_test; use rustc_target::abi::{Align, LayoutOf, VariantIdx}; @@ -364,11 +363,7 @@ pub fn codegen_instance<'a, 'tcx: 'a, Bx: BuilderMethods<'a, 'tcx>>( pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( cx: &'a Bx::CodegenCx, ) -> Option<Bx::Function> { - let (main_def_id, span) = match cx.tcx().entry_fn(LOCAL_CRATE) { - Some((def_id, _)) => (def_id, cx.tcx().def_span(def_id)), - None => return None, - }; - + let main_def_id = cx.tcx().entry_fn(LOCAL_CRATE).map(|(def_id, _)| def_id)?; let instance = Instance::mono(cx.tcx(), main_def_id.to_def_id()); if !cx.codegen_unit().contains_item(&MonoItem::Fn(instance)) { @@ -381,12 +376,11 @@ pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( return cx.tcx().entry_fn(LOCAL_CRATE).map(|(_, et)| { let use_start_lang_item = EntryFnType::Start != et; - create_entry_fn::<Bx>(cx, span, main_llfn, main_def_id, use_start_lang_item) + create_entry_fn::<Bx>(cx, main_llfn, main_def_id, use_start_lang_item) }); fn create_entry_fn<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( cx: &'a Bx::CodegenCx, - sp: Span, rust_main: Bx::Value, rust_main_def_id: LocalDefId, use_start_lang_item: bool, @@ -411,8 +405,9 @@ pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( Some(llfn) => llfn, None => { // FIXME: We should be smart and show a better diagnostic here. + let span = cx.tcx().def_span(rust_main_def_id); cx.sess() - .struct_span_err(sp, "entry symbol `main` declared multiple times") + .struct_span_err(span, "entry symbol `main` declared multiple times") .help("did you use `#[no_mangle]` on `fn main`? Use `#[start]` instead") .emit(); cx.sess().abort_if_errors(); |