[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives

Author: jieyouxu

tests/assembly/aarch64-naked-fn-no-bti-prolog.rs

@@ -1,7 +1,7 @@
-// compile-flags: -C no-prepopulate-passes -Zbranch-protection=bti
-// assembly-output: emit-asm
-// needs-asm-support
-// only-aarch64
+//@ compile-flags: -C no-prepopulate-passes -Zbranch-protection=bti
+//@ assembly-output: emit-asm
+//@ needs-asm-support
+//@ only-aarch64
 
 #![crate_type = "lib"]
 #![feature(naked_functions)]

tests/assembly/aarch64-pointer-auth.rs

@@ -1,9 +1,9 @@
 // Test that PAC instructions are emitted when branch-protection is specified.
 
-// assembly-output: emit-asm
-// compile-flags: --target aarch64-unknown-linux-gnu
-// compile-flags: -Z branch-protection=pac-ret,leaf
-// needs-llvm-components: aarch64
+//@ assembly-output: emit-asm
+//@ compile-flags: --target aarch64-unknown-linux-gnu
+//@ compile-flags: -Z branch-protection=pac-ret,leaf
+//@ needs-llvm-components: aarch64
 
 #![feature(no_core, lang_items)]
 #![no_std]