src/test/run-pass/sepcomp-statics.rs

   1 // Copyright 2012 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 codegen-units=3
  12
  13 // Test references to static items across compilation units.
  14
  15 fn pad() -> uint { 0 }
  16
  17 const ONE: uint = 1;
  18
  19 mod b {
  20     // Separate compilation always switches to the LLVM module with the fewest
  21     // instructions.  Make sure we have some instructions in this module so
  22     // that `a` and `b` don't go into the same compilation unit.
  23     fn pad() -> uint { 0 }
  24
  25     pub static THREE: uint = ::ONE + ::a::TWO;
  26 }
  27
  28 mod a {
  29     fn pad() -> uint { 0 }
  30
  31     pub const TWO: uint = ::ONE + ::ONE;
  32 }
  33
  34 fn main() {
  35     assert_eq!(ONE, 1);
  36     assert_eq!(a::TWO, 2);
  37     assert_eq!(b::THREE, 3);
  38 }
  39