1 files changed, 37 insertions, 0 deletions
diff --git a/tests/assembly-llvm/nvptx-safe-naming.rs b/tests/assembly-llvm/nvptx-safe-naming.rs
new file mode 100644
index 00000000000..d7b46aadd9c
--- /dev/null
+++ b/tests/assembly-llvm/nvptx-safe-naming.rs
@@ -0,0 +1,37 @@
+//@ assembly-output: ptx-linker
+//@ compile-flags: --crate-type cdylib -Z unstable-options -Clinker-flavor=llbc
+//@ only-nvptx64
+
+#![feature(abi_ptx)]
+#![no_std]
+
+//@ aux-build: breakpoint-panic-handler.rs
+extern crate breakpoint_panic_handler;
+
+// Verify function name doesn't contain unacceaptable characters.
+// CHECK: .func (.param .b32 func_retval0) [[IMPL_FN:[a-zA-Z0-9$_]+square[a-zA-Z0-9$_]+]]
+
+// CHECK-LABEL: .visible .entry top_kernel(
+#[no_mangle]
+pub unsafe extern "ptx-kernel" fn top_kernel(a: *const u32, b: *mut u32) {
+    // CHECK:      call.uni (retval0),
+    // CHECK-NEXT: [[IMPL_FN]]
+    *b = deep::private::MyStruct::new(*a).square();
+}
+
+pub mod deep {
+    pub mod private {
+        pub struct MyStruct<T>(T);
+
+        impl MyStruct<u32> {
+            pub fn new(a: u32) -> Self {
+                MyStruct(a)
+            }
+
+            #[inline(never)]
+            pub fn square(&self) -> u32 {
+                self.0.wrapping_mul(self.0)
+            }
+        }
+    }
+}