Remove region_id unnamed attr

Author: Sa4dUs

compiler/rustc_codegen_llvm/src/builder/gpu_offload.rs

@@ -338,7 +338,7 @@ pub(crate) fn gen_define_handling<'ll>(
 
     let name = format!(".{symbol}.region_id");
     let initializer = cx.get_const_i8(0);
-    let region_id = add_unnamed_global(&cx, &name, initializer, WeakAnyLinkage);
+    let region_id = add_global(&cx, &name, initializer, WeakAnyLinkage);
 
     let c_entry_name = CString::new(symbol.clone()).unwrap();
     let c_val = c_entry_name.as_bytes_with_nul();

tests/codegen-llvm/gpu_offload/gpu_host.rs

@@ -32,7 +32,7 @@ fn main() {
 
 // CHECK: @.offload_sizes._kernel_1 = private unnamed_addr constant [1 x i64] [i64 1024]
 // CHECK: @.offload_maptypes._kernel_1 = private unnamed_addr constant [1 x i64] [i64 35]
-// CHECK: @._kernel_1.region_id = internal unnamed_addr constant i8 0
+// CHECK: @._kernel_1.region_id = internal constant i8 0
 // CHECK: @.offloading.entry_name._kernel_1 = internal unnamed_addr constant [10 x i8] c"_kernel_1\00", section ".llvm.rodata.offloading", align 1
 // CHECK: @.offloading.entry._kernel_1 = internal constant %struct.__tgt_offload_entry { i64 0, i16 1, i16 1, i32 0, ptr @._kernel_1.region_id, ptr @.offloading.entry_name._kernel_1, i64 0, i64 0, ptr null }, section "llvm_offload_entries", align 8