tests/codegen/branch-protection.rs

   1 // Test that the correct module flags are emitted with different branch protection flags.
   2
   3 // revisions: BTI PACRET LEAF BKEY NONE
   4 // needs-llvm-components: aarch64
   5 // [BTI] compile-flags: -Z branch-protection=bti
   6 // [PACRET] compile-flags: -Z branch-protection=pac-ret
   7 // [LEAF] compile-flags: -Z branch-protection=pac-ret,leaf
   8 // [BKEY] compile-flags: -Z branch-protection=pac-ret,b-key
   9 // compile-flags: --target aarch64-unknown-linux-gnu
  10
  11 #![crate_type = "lib"]
  12 #![feature(no_core, lang_items)]
  13 #![no_core]
  14
  15 #[lang="sized"]
  16 trait Sized { }
  17
  18 // A basic test function.
  19 pub fn test() {
  20 }
  21
  22 // BTI: !"branch-target-enforcement", i32 1
  23 // BTI: !"sign-return-address", i32 0
  24 // BTI: !"sign-return-address-all", i32 0
  25 // BTI: !"sign-return-address-with-bkey", i32 0
  26
  27 // PACRET: !"branch-target-enforcement", i32 0
  28 // PACRET: !"sign-return-address", i32 1
  29 // PACRET: !"sign-return-address-all", i32 0
  30 // PACRET: !"sign-return-address-with-bkey", i32 0
  31
  32 // LEAF: !"branch-target-enforcement", i32 0
  33 // LEAF: !"sign-return-address", i32 1
  34 // LEAF: !"sign-return-address-all", i32 1
  35 // LEAF: !"sign-return-address-with-bkey", i32 0
  36
  37 // BKEY: !"branch-target-enforcement", i32 0
  38 // BKEY: !"sign-return-address", i32 1
  39 // BKEY: !"sign-return-address-all", i32 0
  40 // BKEY: !"sign-return-address-with-bkey", i32 1
  41
  42 // NONE-NOT: branch-target-enforcement
  43 // NONE-NOT: sign-return-address
  44 // NONE-NOT: sign-return-address-all
  45 // NONE-NOT: sign-return-address-with-bkey