tests/codegen/cf-protection.rs

   1 // Test that the correct module flags are emitted with different control-flow protection flags.
   2
   3 // revisions: undefined none branch return full
   4 // needs-llvm-components: x86
   5 // [undefined] compile-flags:
   6 // [none] compile-flags: -Z cf-protection=none
   7 // [branch] compile-flags: -Z cf-protection=branch
   8 // [return] compile-flags: -Z cf-protection=return
   9 // [full] compile-flags: -Z cf-protection=full
  10 // compile-flags: --target x86_64-unknown-linux-gnu
  11
  12 #![crate_type = "lib"]
  13 #![feature(no_core, lang_items)]
  14 #![no_core]
  15
  16 #[lang="sized"]
  17 trait Sized { }
  18
  19 // A basic test function.
  20 pub fn test() {
  21 }
  22
  23 // undefined-NOT: !"cf-protection-branch"
  24 // undefined-NOT: !"cf-protection-return"
  25
  26 // none-NOT: !"cf-protection-branch"
  27 // none-NOT: !"cf-protection-return"
  28
  29 // branch-NOT: !"cf-protection-return"
  30 // branch: !"cf-protection-branch", i32 1
  31 // branch-NOT: !"cf-protection-return"
  32
  33 // return-NOT: !"cf-protection-branch"
  34 // return: !"cf-protection-return", i32 1
  35 // return-NOT: !"cf-protection-branch"
  36
  37 // full: !"cf-protection-branch", i32 1
  38 // full: !"cf-protection-return", i32 1