src/test/codegen/asm-sanitize-llvm.rs

   1 // FIXME(nagisa): remove the flags below once all targets support `asm!`.
   2 // compile-flags: --target x86_64-unknown-linux-gnu
   3 // needs-llvm-components: x86
   4
   5 // Verify we sanitize the special tokens for the LLVM inline-assembly, ensuring people won't
   6 // inadvertently rely on the LLVM-specific syntax and features.
   7 #![no_core]
   8 #![feature(no_core, lang_items, rustc_attrs)]
   9 #![crate_type = "rlib"]
  10
  11 #[rustc_builtin_macro]
  12 macro_rules! asm {
  13     () => {};
  14 }
  15
  16 #[lang = "sized"]
  17 trait Sized {}
  18 #[lang = "copy"]
  19 trait Copy {}
  20
  21 pub unsafe fn we_escape_dollar_signs() {
  22     // CHECK: call void asm sideeffect alignstack inteldialect "banana$$:"
  23     asm!(
  24         r"banana$:",
  25     )
  26 }
  27
  28 pub unsafe fn we_escape_escapes_too() {
  29     // CHECK: call void asm sideeffect alignstack inteldialect "banana\{{(\\|5C)}}36:"
  30     asm!(
  31         r"banana\36:",
  32     )
  33 }