Method get_static

crates/rustc_codegen_nvvm/src/consts.rs:298–347

(&self, def_id: DefId)

    }

    pub(crate) fn get_static(&self, def_id: DefId) -> &'ll Value {
        let instance = Instance::mono(self.tcx, def_id);
        if let Some(&g) = self.instances.borrow().get(&instance) {
            return g;
        }

        let defined_in_current_codegen_unit = self
            .codegen_unit
            .items()
            .contains_key(&MonoItem::Static(def_id));
        assert!(
            !defined_in_current_codegen_unit,
            "consts::get_static() should always hit the cache for \
                 statics defined in the same CGU, but did not for `{:?}`",
            def_id
        );

        let ty = instance.ty(self.tcx, ty::ParamEnv::reveal_all());
        let sym = self.tcx.symbol_name(instance).name;
        let fn_attrs = self.tcx.codegen_fn_attrs(def_id);

        let g = if def_id.is_local() && !self.tcx.is_foreign_item(def_id) {
            let llty = self.layout_of(ty).llvm_type(self);
            if let Some(g) = self.get_declared_value(sym) {
                if self.val_ty(g) != self.type_ptr_to(llty) {
                    span_bug!(self.tcx.def_span(def_id), "Conflicting types for static");
                }
            }

            let addrspace = self.static_addrspace(instance);
            let g = self.declare_global(sym, llty, addrspace);

            if !self.tcx.is_reachable_non_generic(def_id) {
                unsafe {
                    llvm::LLVMRustSetVisibility(g, llvm::Visibility::Hidden);
                }
            }

            g
        } else {
            check_and_apply_linkage(self, fn_attrs, ty, sym, def_id, instance)
        };

        if fn_attrs.flags.contains(CodegenFnAttrFlags::THREAD_LOCAL) {
            self.unsupported("thread locals");
        }

        self.instances.borrow_mut().insert(instance, g);
        g
    }
}

impl<'ll, 'tcx> StaticMethods for CodegenCx<'ll, 'tcx> {