src/test/codegen/branch-protection.rs

   1 // Test that the correct module flags are emitted with different branch protection flags.
   2
   3 // revisions: bti pac-ret leaf b-key
   4 // min-llvm-version: 12.0.0
   5 // needs-llvm-components: aarch64
   6 // [bti] compile-flags: -Z branch-protection=bti
   7 // [pac-ret] compile-flags: -Z branch-protection=pac-ret
   8 // [leaf] compile-flags: -Z branch-protection=pac-ret,leaf
   9 // [b-key] compile-flags: -Z branch-protection=pac-ret,b-key
  10 // compile-flags: --target aarch64-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 // bti: !"branch-target-enforcement", i32 1
  24 // bti: !"sign-return-address", i32 0
  25 // bti: !"sign-return-address-all", i32 0
  26 // bti: !"sign-return-address-with-bkey", i32 0
  27
  28 // pac-ret: !"branch-target-enforcement", i32 0
  29 // pac-ret: !"sign-return-address", i32 1
  30 // pac-ret: !"sign-return-address-all", i32 0
  31 // pac-ret: !"sign-return-address-with-bkey", i32 0
  32
  33 // leaf: !"branch-target-enforcement", i32 0
  34 // leaf: !"sign-return-address", i32 1
  35 // leaf: !"sign-return-address-all", i32 1
  36 // leaf: !"sign-return-address-with-bkey", i32 0
  37
  38 // b-key: !"branch-target-enforcement", i32 0
  39 // b-key: !"sign-return-address", i32 1
  40 // b-key: !"sign-return-address-all", i32 0
  41 // b-key: !"sign-return-address-with-bkey", i32 1