clang/test/CodeGenCXX/debug-info-class-nolimit.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -debug-info-kind=standalone -o - -emit-llvm %s | FileCheck %s
   2
   3 // We had a bug in -fstandalone-debug where UnicodeString would not be completed
   4 // when it was required to be complete. This originally manifested as an
   5 // assertion in CodeView emission on Windows with some dllexport stuff, but it's
   6 // more general than that.
   7
   8 struct UnicodeString;
   9 UnicodeString *force_fwd_decl;
  10 struct UnicodeString {
  11 private:
  12   virtual ~UnicodeString();
  13 };
  14 struct UseCompleteType {
  15   UseCompleteType();
  16   ~UseCompleteType();
  17   UnicodeString currencySpcAfterSym[1];
  18 };
  19 UseCompleteType require_complete;
  20 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "UnicodeString"
  21 // CHECK-NOT:              DIFlagFwdDecl
  22 // CHECK-SAME:             ){{$}}
  23
  24 namespace rdar14101097_1 { // see also PR16214
  25 // Check that we emit debug info for the definition of a struct if the
  26 // definition is available, even if it's used via a pointer wrapped in a
  27 // typedef.
  28 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo"
  29 // CHECK-NOT:              DIFlagFwdDecl
  30 // CHECK-SAME:             ){{$}}
  31 struct foo {
  32 };
  33
  34 typedef foo *foop;
  35
  36 void bar() {
  37   foop f;
  38 }
  39 }
  40
  41 namespace rdar14101097_2 {
  42 // As above, except trickier because we first encounter only a declaration of
  43 // the type and no debug-info related use after we see the definition of the
  44 // type.
  45 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo"
  46 // CHECK-NOT:              DIFlagFwdDecl
  47 // CHECK-SAME:             ){{$}}
  48 struct foo;
  49 void bar() {
  50   foo *f;
  51 }
  52 struct foo {
  53 };
  54 }