1 files changed, 54 insertions, 0 deletions
diff --git a/tests/codegen-llvm/thread-local.rs b/tests/codegen-llvm/thread-local.rs
new file mode 100644
index 00000000000..41df8c9be1b
--- /dev/null
+++ b/tests/codegen-llvm/thread-local.rs
@@ -0,0 +1,54 @@
+//@ compile-flags: -Copt-level=3
+//@ aux-build:thread_local_aux.rs
+//@ ignore-windows FIXME(#134939)
+//@ 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{{.*}} global i64
+// CHECK: [[TLS:@.+]] = internal thread_local{{.*}} global
+
+// CHECK-LABEL: @get
+#[no_mangle]
+fn get() -> u32 {
+    // CHECK: [[PTR:%.+]] = tail call {{.*}} ptr @llvm.threadlocal.address.p0(ptr [[TLS]])
+    // CHECK-NEXT: [[RET_0:%.+]] = load i32, ptr [[PTR]]
+    // CHECK-NEXT: ret i32 [[RET_0]]
+    A.with(|a| a.get())
+}
+
+// CHECK-LABEL: @set
+#[no_mangle]
+fn set(v: u32) {
+    // CHECK: [[PTR:%.+]] = tail call {{.*}} ptr @llvm.threadlocal.address.p0(ptr [[TLS]])
+    // CHECK-NEXT: store i32 %0, ptr [[PTR]]
+    // CHECK-NEXT: ret void
+    A.with(|a| a.set(v))
+}
+
+// CHECK-LABEL: @get_aux
+#[no_mangle]
+fn get_aux() -> u64 {
+    // CHECK: [[PTR:%.+]] = tail call {{.*}} ptr @llvm.threadlocal.address.p0(ptr [[TLS_AUX]])
+    // CHECK-NEXT: [[RET_1:%.+]] = load i64, ptr [[PTR]]
+    // CHECK-NEXT: ret i64 [[RET_1]]
+    aux::A.with(|a| a.get())
+}
+
+// CHECK-LABEL: @set_aux
+#[no_mangle]
+fn set_aux(v: u64) {
+    // CHECK: [[PTR:%.+]] = tail call {{.*}} ptr @llvm.threadlocal.address.p0(ptr [[TLS_AUX]])
+    // CHECK-NEXT: store i64 %0, ptr [[PTR]]
+    // CHECK-NEXT: ret void
+    aux::A.with(|a| a.set(v))
+}