mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 13:04:42 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			51 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ compile-flags: -O
 | |
| //@ aux-build:thread_local_aux.rs
 | |
| //@ ignore-windows FIXME(#84933)
 | |
| //@ ignore-wasm globals are used instead of thread locals
 | |
| //@ ignore-emscripten globals are used instead of thread locals
 | |
| //@ ignore-android does not use #[thread_local]
 | |
| //@ ignore-nto does not use #[thread_local]
 | |
| 
 | |
| #![crate_type = "lib"]
 | |
| 
 | |
| extern crate thread_local_aux as aux;
 | |
| 
 | |
| use std::cell::Cell;
 | |
| 
 | |
| thread_local!(static A: Cell<u32> = const { Cell::new(1) });
 | |
| 
 | |
| // CHECK: [[TLS_AUX:@.+]] = external thread_local local_unnamed_addr global i64
 | |
| // CHECK: [[TLS:@.+]] = internal thread_local unnamed_addr global
 | |
| 
 | |
| // CHECK-LABEL: @get
 | |
| #[no_mangle]
 | |
| fn get() -> u32 {
 | |
|     // CHECK: [[RET_0:%.+]] = load i32, {{.*}}[[TLS]]{{.*}}
 | |
|     // CHECK-NEXT: ret i32 [[RET_0]]
 | |
|     A.with(|a| a.get())
 | |
| }
 | |
| 
 | |
| // CHECK-LABEL: @set
 | |
| #[no_mangle]
 | |
| fn set(v: u32) {
 | |
|     // CHECK: store i32 %0, {{.*}}[[TLS]]{{.*}}
 | |
|     // CHECK-NEXT: ret void
 | |
|     A.with(|a| a.set(v))
 | |
| }
 | |
| 
 | |
| // CHECK-LABEL: @get_aux
 | |
| #[no_mangle]
 | |
| fn get_aux() -> u64 {
 | |
|     // CHECK: [[RET_1:%.+]] = load i64, {{.*}}[[TLS_AUX]]
 | |
|     // CHECK-NEXT: ret i64 [[RET_1]]
 | |
|     aux::A.with(|a| a.get())
 | |
| }
 | |
| 
 | |
| // CHECK-LABEL: @set_aux
 | |
| #[no_mangle]
 | |
| fn set_aux(v: u64) {
 | |
|     // CHECK: store i64 %0, {{.*}}[[TLS_AUX]]
 | |
|     // CHECK-NEXT: ret void
 | |
|     aux::A.with(|a| a.set(v))
 | |
| }
 | 
