src/test/codegen/coercions.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // compile-flags: -C no-prepopulate-passes
  12
  13 #![crate_type = "lib"]
  14 #![feature(rustc_attrs)]
  15
  16 static X: i32 = 5;
  17
  18 // CHECK-LABEL: @raw_ptr_to_raw_ptr_noop
  19 // CHECK-NOT: alloca
  20 #[no_mangle]
  21 #[rustc_no_mir] // FIXME #27840 MIR has different codegen.
  22 pub fn raw_ptr_to_raw_ptr_noop() -> *const i32{
  23     &X as *const i32
  24 }
  25
  26 // CHECK-LABEL: @reference_to_raw_ptr_noop
  27 // CHECK-NOT: alloca
  28 #[no_mangle]
  29 #[rustc_no_mir] // FIXME #27840 MIR has different codegen.
  30 pub fn reference_to_raw_ptr_noop() -> *const i32 {
  31     &X
  32 }