src/test/ui/asm/bad-template.rs

   1 // revisions: x86_64_mirunsafeck aarch64_mirunsafeck x86_64_thirunsafeck aarch64_thirunsafeck
   2
   3 // [x86_64_thirunsafeck] compile-flags: -Z thir-unsafeck --target x86_64-unknown-linux-gnu
   4 // [aarch64_thirunsafeck] compile-flags: -Z thir-unsafeck --target aarch64-unknown-linux-gnu
   5 // [x86_64_mirunsafeck] compile-flags: --target x86_64-unknown-linux-gnu
   6 // [aarch64_mirunsafeck] compile-flags: --target aarch64-unknown-linux-gnu
   7
   8 // [x86_64_thirunsafeck] needs-llvm-components: x86
   9 // [x86_64_mirunsafeck] needs-llvm-components: x86
  10 // [aarch64_thirunsafeck] needs-llvm-components: aarch64
  11 // [aarch64_mirunsafeck] needs-llvm-components: aarch64
  12
  13 #![feature(no_core, lang_items, rustc_attrs, asm_const)]
  14 #![no_core]
  15
  16 #[rustc_builtin_macro]
  17 macro_rules! asm {
  18     () => {};
  19 }
  20 #[rustc_builtin_macro]
  21 macro_rules! global_asm {
  22     () => {};
  23 }
  24
  25 #[lang = "sized"]
  26 trait Sized {}
  27
  28 fn main() {
  29     let mut foo = 0;
  30     unsafe {
  31         asm!("{}");
  32         //~^ ERROR invalid reference to argument at index 0
  33         asm!("{1}", in(reg) foo);
  34         //~^ ERROR invalid reference to argument at index 1
  35         //~^^ ERROR argument never used
  36         asm!("{a}");
  37         //~^ ERROR there is no argument named `a`
  38         asm!("{}", a = in(reg) foo);
  39         //~^ ERROR invalid reference to argument at index 0
  40         //~^^ ERROR argument never used
  41         asm!("{1}", a = in(reg) foo);
  42         //~^ ERROR invalid reference to argument at index 1
  43         //~^^ ERROR named argument never used
  44         #[cfg(any(x86_64_thirunsafeck, x86_64_mirunsafeck))]
  45         asm!("{}", in("eax") foo);
  46         //[x86_64_thirunsafeck,x86_64_mirunsafeck]~^ ERROR invalid reference to argument at index 0
  47         #[cfg(any(aarch64_thirunsafeck, aarch64_mirunsafeck))]
  48         asm!("{}", in("x0") foo);
  49         //[aarch64_thirunsafeck,aarch64_mirunsafeck]~^ ERROR invalid reference to argument at index 0
  50         asm!("{:foo}", in(reg) foo);
  51         //~^ ERROR asm template modifier must be a single character
  52         //~| WARN formatting may not be suitable for sub-register argument [asm_sub_register]
  53         asm!("", in(reg) 0, in(reg) 1);
  54         //~^ ERROR multiple unused asm arguments
  55     }
  56 }
  57
  58 const FOO: i32 = 1;
  59 global_asm!("{}");
  60 //~^ ERROR invalid reference to argument at index 0
  61 global_asm!("{1}", const FOO);
  62 //~^ ERROR invalid reference to argument at index 1
  63 //~^^ ERROR argument never used
  64 global_asm!("{a}");
  65 //~^ ERROR there is no argument named `a`
  66 global_asm!("{}", a = const FOO);
  67 //~^ ERROR invalid reference to argument at index 0
  68 //~^^ ERROR argument never used
  69 global_asm!("{1}", a = const FOO);
  70 //~^ ERROR invalid reference to argument at index 1
  71 //~^^ ERROR named argument never used
  72 global_asm!("{:foo}", const FOO);
  73 //~^ ERROR asm template modifier must be a single character
  74 global_asm!("", const FOO, const FOO);
  75 //~^ ERROR multiple unused asm arguments