clang/test/CodeGen/debug-info-codeview-unnamed.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -debug-info-kind=limited -S -emit-llvm -o - %s | FileCheck --check-prefix LINUX %s
   2 // RUN: %clang_cc1 -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -S -emit-llvm -o - %s | FileCheck --check-prefix MSVC %s
   3
   4 int main(int argc, char* argv[], char* arge[]) {
   5
   6   // In both DWARF and CodeView, an unnamed C structure type will generate a
   7   // DICompositeType without a name or identifier attribute;
   8   //
   9   struct { int bar; } one = {42};
  10   //
  11   // LINUX:      [[TYPE_OF_ONE:![0-9]+]] = distinct !DICompositeType(
  12   // LINUX-SAME:     tag: DW_TAG_structure_type
  13   // LINUX-NOT:      name:
  14   // LINUX-NOT:      identifier:
  15   // LINUX-SAME:     )
  16   // LINUX:      !{{[0-9]+}} = !DILocalVariable(name: "one"
  17   // LINUX-SAME:     type: [[TYPE_OF_ONE]]
  18   // LINUX-SAME:     )
  19   //
  20   // MSVC:       [[TYPE_OF_ONE:![0-9]+]] = distinct !DICompositeType
  21   // MSVC-SAME:      tag: DW_TAG_structure_type
  22   // MSVC-NOT:       name:
  23   // MSVC-NOT:       identifier:
  24   // MSVC-SAME:      )
  25   // MSVC:       !{{[0-9]+}} = !DILocalVariable(name: "one"
  26   // MSVC-SAME:      type: [[TYPE_OF_ONE]]
  27   // MSVC-SAME:      )
  28
  29   return 0;
  30 }