issue-44056-macos-tls-align.rs

// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// ignore-tidy-linelength
// only-macos
// no-system-llvm
// min-llvm-version 6.0
// compile-flags: -O

#![crate_type = "rlib"]
#![feature(thread_local)]

// CHECK: @STATIC_VAR_1 = internal thread_local unnamed_addr global <{ [32 x i8] }> zeroinitializer, section "__DATA,__thread_bss", align 4
#[no_mangle]
#[allow(private_no_mangle_statics)]
#[thread_local]
static mut STATIC_VAR_1: [u32; 8] = [0; 8];

// CHECK: @STATIC_VAR_2 = internal thread_local unnamed_addr global <{ [32 x i8] }> <{{[^>]*}}>, section "__DATA,__thread_data", align 4
#[no_mangle]
#[allow(private_no_mangle_statics)]
#[thread_local]
static mut STATIC_VAR_2: [u32; 8] = [4; 8];

#[no_mangle]
pub unsafe fn f(x: &mut [u32; 8]) {
    std::mem::swap(x, &mut STATIC_VAR_1)
}

#[no_mangle]
pub unsafe fn g(x: &mut [u32; 8]) {
    std::mem::swap(x, &mut STATIC_VAR_2)
}