src/test/incremental/thinlto/independent_cgus_dont_affect_each_other.rs

   1 // Copyright 2018 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
  12 // This test checks that a change in a CGU does not invalidate an unrelated CGU
  13 // during incremental ThinLTO.
  14
  15 // revisions: cfail1 cfail2 cfail3
  16 // compile-flags: -Z query-dep-graph -O
  17 // compile-pass
  18
  19 #![feature(rustc_attrs)]
  20 #![crate_type="rlib"]
  21
  22 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-foo",
  23                             cfg="cfail2",
  24                             kind="no")]
  25 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-foo",
  26                             cfg="cfail3",
  27                             kind="post-lto")]
  28
  29 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-bar",
  30                             cfg="cfail2",
  31                             kind="pre-lto")]
  32 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-bar",
  33                             cfg="cfail3",
  34                             kind="post-lto")]
  35
  36 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-baz",
  37                             cfg="cfail2",
  38                             kind="post-lto")]
  39 #![rustc_expected_cgu_reuse(module="independent_cgus_dont_affect_each_other-baz",
  40                             cfg="cfail3",
  41                             kind="post-lto")]
  42 mod foo {
  43
  44     #[cfg(cfail1)]
  45     pub fn inlined_fn() -> u32 {
  46         1234
  47     }
  48
  49     #[cfg(not(cfail1))]
  50     pub fn inlined_fn() -> u32 {
  51         1234
  52     }
  53 }
  54
  55 pub mod bar {
  56     use foo::inlined_fn;
  57
  58     pub fn caller() -> u32 {
  59         inlined_fn()
  60     }
  61 }
  62
  63 pub mod baz {
  64     pub fn unrelated_to_other_fns() -> u64 {
  65         0xbeef
  66     }
  67 }