tests/codegen/debug-linkage-name.rs

   1 // Verifies that linkage name is omitted when it is
   2 // the same as variable / function name.
   3 //
   4 // compile-flags: -C no-prepopulate-passes
   5 // compile-flags: -C debuginfo=2
   6 #![crate_type = "lib"]
   7
   8 pub mod xyz {
   9     // CHECK: !DIGlobalVariable(name: "A",
  10     // CHECK:                   linkageName:
  11     // CHECK-SAME:              line: 12,
  12     pub static A: u32 = 1;
  13
  14     // CHECK: !DIGlobalVariable(name: "B",
  15     // CHECK-NOT:               linkageName:
  16     // CHECK-SAME:              line: 18,
  17     #[no_mangle]
  18     pub static B: u32 = 2;
  19
  20     // CHECK: !DIGlobalVariable(name: "C",
  21     // CHECK-NOT:               linkageName:
  22     // CHECK-SAME:              line: 24,
  23     #[export_name = "C"]
  24     pub static C: u32 = 2;
  25
  26     // CHECK: !DISubprogram(name: "e",
  27     // CHECK:               linkageName:
  28     // CHECK-SAME:          line: 29,
  29     pub extern "C" fn e() {}
  30
  31     // CHECK: !DISubprogram(name: "f",
  32     // CHECK-NOT:           linkageName:
  33     // CHECK-SAME:          line: 35,
  34     #[no_mangle]
  35     pub extern "C" fn f() {}
  36
  37     // CHECK: !DISubprogram(name: "g",
  38     // CHECK-NOT:           linkageName:
  39     // CHECK-SAME:          line: 41,
  40     #[export_name = "g"]
  41     pub extern "C" fn g() {}
  42 }