src/test/codegen/ffi-returns-twice.rs

   1 // compile-flags: -C no-prepopulate-passes
   2 #![crate_type = "lib"]
   3 #![feature(ffi_returns_twice)]
   4
   5 pub fn bar() { unsafe { foo() } }
   6
   7 extern "C" {
   8     // CHECK-LABEL: declare void @foo()
   9     // CHECK-SAME: [[ATTRS:#[0-9]+]]
  10     // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}returns_twice{{.*}} }
  11     #[ffi_returns_twice] pub fn foo();
  12 }