1 files changed, 49 insertions, 0 deletions
diff --git a/src/test/codegen/thread-local.rs b/src/test/codegen/thread-local.rs
new file mode 100644
index 000000000..0f1b29ca7
--- /dev/null
+++ b/src/test/codegen/thread-local.rs
@@ -0,0 +1,49 @@
+// 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]
+
+#![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: %0 = load i32, {{.*}}[[TLS]]{{.*}}
+    // CHECK-NEXT: ret i32 %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: %0 = load i64, {{.*}}[[TLS_AUX]]
+    // CHECK-NEXT: ret i64 %0
+    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))
+}