| #![feature(patchable_function_entry)] | |
| #![crate_type = "lib"] | |
| // No patchable function entry should be set | |
| #[no_mangle] | |
| pub fn fun0() {} | |
| // The attribute should work even without compiler flags | |
| #[no_mangle] | |
| #[patchable_function_entry(prefix_nops = 1, entry_nops = 2)] | |
| pub fn fun1() {} | |
| // The attribute should work even without compiler flags | |
| // and only set patchable-function-entry to 3. | |
| #[no_mangle] | |
| #[patchable_function_entry(entry_nops = 3)] | |
| pub fn fun2() {} | |
| // The attribute should work even without compiler flags | |
| // and only set patchable-function-prefix to 4. | |
| #[no_mangle] | |
| #[patchable_function_entry(prefix_nops = 4)] | |
| pub fn fun3() {} | |
| // CHECK: @fun0() unnamed_addr #0 | |
| // CHECK: @fun1() unnamed_addr #1 | |
| // CHECK: @fun2() unnamed_addr #2 | |
| // CHECK: @fun3() unnamed_addr #3 | |
| // CHECK-NOT: attributes #0 = { {{.*}}patchable-function-entry{{.*}} } | |
| // CHECK-NOT: attributes #0 = { {{.*}}patchable-function-prefix{{.*}} } | |
| // CHECK: attributes #1 = { {{.*}}"patchable-function-entry"="2"{{.*}}"patchable-function-prefix"="1" {{.*}} } | |
| // CHECK: attributes #2 = { {{.*}}"patchable-function-entry"="3"{{.*}} } | |
| // CHECK-NOT: attributes #2 = { {{.*}}patchable-function-prefix{{.*}} } | |
| // CHECK: attributes #3 = { {{.*}}"patchable-function-prefix"="4"{{.*}} } | |
| // CHECK-NOT: attributes #3 = { {{.*}}patchable-function-entry{{.*}} } |