| // Test that the `reserve-x18` target feature is (not) emitted when | 
 | // the `-Zfixed-x18` flag is (not) set. | 
 |  | 
 | //@ add-core-stubs | 
 | //@ revisions: unset set | 
 | //@ needs-llvm-components: aarch64 | 
 | //@ compile-flags: --target aarch64-unknown-none | 
 | //@ [set] compile-flags: -Zfixed-x18 | 
 |  | 
 | #![crate_type = "lib"] | 
 | #![feature(no_core, lang_items)] | 
 | #![no_core] | 
 |  | 
 | extern crate minicore; | 
 | use minicore::*; | 
 |  | 
 | #[no_mangle] | 
 | pub fn foo() { | 
 |     // CHECK: @foo() unnamed_addr #0 | 
 |  | 
 |     // unset-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } | 
 |     // set: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } | 
 | } |