clang/test/CodeGenCXX/debug-info-function-context.cpp

   1 // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -triple x86_64-pc-linux-gnu %s \
   2 // RUN:     -dwarf-version=5 -main-file-name debug-info-function-context.cpp  -o - | FileCheck %s
   3
   4 struct C {
   5   void member_function();
   6   static int static_member_function();
   7   static int static_member_variable;
   8 };
   9
  10 int C::static_member_variable = 0;
  11
  12 void C::member_function() { static_member_variable = 0; }
  13
  14 int C::static_member_function() { return static_member_variable; }
  15
  16 C global_variable;
  17
  18 int global_function() { return -1; }
  19
  20 namespace ns {
  21 void global_namespace_function() { global_variable.member_function(); }
  22 int global_namespace_variable = 1;
  23 }
  24
  25 // Generate the artificial global functions to initialize a global.
  26 int global_initialized_variable = C::static_member_function();
  27
  28 // Check that the functions that belong to C have C as a context and the
  29 // functions that belong to the namespace have it as a context, and the global
  30 // functions (user-defined and artificial) have the file as a context.
  31
  32 // The first DIFile is for the CU, the second is what everything else uses.
  33 // We're using DWARF v5 so both should have MD5 checksums.
  34 // CHECK: !DIFile(filename: "{{.*}}context.cpp",{{.*}} checksumkind: CSK_MD5, checksum: [[CKSUM:".*"]]
  35 // CHECK: ![[FILE:[0-9]+]] = !DIFile(filename: "{{.*}}context.cpp",{{.*}} checksumkind: CSK_MD5, checksum: [[CKSUM]]
  36 // CHECK: ![[C:[0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C",
  37 // CHECK: ![[NS:.*]] = !DINamespace(name: "ns"
  38 // CHECK: !DISubprogram(name: "member_function",{{.*}} scope: ![[C]],{{.*}} DISPFlagDefinition
  39
  40 // CHECK: !DISubprogram(name: "static_member_function",{{.*}} scope: ![[C]],{{.*}} DISPFlagDefinition
  41
  42 // CHECK: !DISubprogram(name: "global_function",{{.*}} scope: ![[FILE]],{{.*}} DISPFlagDefinition
  43
  44 // CHECK: !DISubprogram(name: "global_namespace_function",{{.*}} scope: ![[NS]],{{.*}} DISPFlagDefinition
  45
  46 // CHECK: !DISubprogram(name: "__cxx_global_var_init",{{.*}} scope: ![[FILE]],{{.*}} DISPFlagDefinition
  47 // CHECK: !DISubprogram(linkageName: "_GLOBAL__sub_I_{{.*}}",{{.*}} scope: ![[FILE]],{{.*}} DISPFlagDefinition