Method codegen_static

crates/rustc_codegen_nvvm/src/consts.rs:371–455

(&self, def_id: DefId, is_mutable: bool)

    }

    fn codegen_static(&self, def_id: DefId, is_mutable: bool) {
        unsafe {
            let attrs = self.tcx.codegen_fn_attrs(def_id);

            let (v, _) = match codegen_static_initializer(self, def_id) {
                Ok(v) => v,
                // Error has already been reported
                Err(_) => return,
            };

            let g = self.get_static(def_id);

            let mut val_llty = self.val_ty(v);
            let v = if val_llty == self.type_i1() {
                val_llty = self.type_i8();
                llvm::LLVMConstZExt(v, val_llty)
            } else {
                v
            };

            let instance = Instance::mono(self.tcx, def_id);
            let ty = instance.ty(self.tcx, ty::ParamEnv::reveal_all());
            let llty = self.layout_of(ty).llvm_type(self);
            let g = if val_llty == llty {
                g
            } else {
                trace!(
                    "Making new RAUW global: from ty `{:?}` to `{:?}`, initializer: `{:?}`",
                    llty,
                    val_llty,
                    v
                );
                // If we created the global with the wrong type,
                // correct the type.
                let name = llvm::get_value_name(g).to_vec();

                llvm::set_value_name(g, b"");

                let linkage = llvm::LLVMRustGetLinkage(g);
                let visibility = llvm::LLVMRustGetVisibility(g);

                let addrspace = self.static_addrspace(instance);
                let new_g = llvm::LLVMRustGetOrInsertGlobal(
                    self.llmod,
                    name.as_ptr().cast(),
                    name.len(),
                    val_llty,
                    addrspace.0,
                );

                llvm::LLVMRustSetLinkage(new_g, linkage);
                llvm::LLVMRustSetVisibility(new_g, visibility);

                // To avoid breaking any invariants, we leave around the old
                // global for the moment; we'll replace all references to it
                // with the new global later. (See base::codegen_backend.)
                self.statics_to_rauw.borrow_mut().push((g, new_g));
                new_g