clang/test/InterfaceStubs/hidden-class-inheritance.cpp

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
   3 // RUN: -DPARENT_CLASS_VISIBILITY="" -DCHILD_CLASS_VISIBILITY="" \
   4 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
   5 // RUN: FileCheck -check-prefix=CHECK-X %s
   6 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
   7 // RUN: -DPARENT_CLASS_VISIBILITY="" -DCHILD_CLASS_VISIBILITY="" \
   8 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
   9 // RUN: llvm-readelf -s - 2>&1 | \
  10 // RUN: FileCheck -check-prefix=CHECK-X-RE %s
  11
  12 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
  13 // RUN: -DPARENT_CLASS_VISIBILITY=HIDDEN -DCHILD_CLASS_VISIBILITY="" \
  14 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  15 // RUN: FileCheck -check-prefix=CHECK-HP %s
  16 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
  17 // RUN: -interface-stub-version=ifs-v1 \
  18 // RUN: -DPARENT_CLASS_VISIBILITY=HIDDEN -DCHILD_CLASS_VISIBILITY="" \
  19 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  20 // RUN: FileCheck -check-prefix=CHECK-HP2 %s
  21 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
  22 // RUN: -DPARENT_CLASS_VISIBILITY=HIDDEN -DCHILD_CLASS_VISIBILITY="" \
  23 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  24 // RUN: llvm-readelf -s - 2>&1 | \
  25 // RUN: FileCheck -check-prefix=CHECK-HP-RE %s
  26
  27 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
  28 // RUN: -DPARENT_CLASS_VISIBILITY="" -DCHILD_CLASS_VISIBILITY=HIDDEN \
  29 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  30 // RUN: FileCheck -check-prefix=CHECK-HC %s
  31 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
  32 // RUN: -DPARENT_CLASS_VISIBILITY="" -DCHILD_CLASS_VISIBILITY=HIDDEN \
  33 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  34 // RUN: FileCheck -check-prefix=CHECK-HC2 %s
  35 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
  36 // RUN: -DPARENT_CLASS_VISIBILITY="" -DCHILD_CLASS_VISIBILITY=HIDDEN \
  37 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  38 // RUN: llvm-readelf -s - 2>&1 | \
  39 // RUN: FileCheck -check-prefix=CHECK-HC-RE %s
  40
  41 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
  42 // RUN: -DPARENT_CLASS_VISIBILITY=HIDDEN -DCHILD_CLASS_VISIBILITY=HIDDEN \
  43 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  44 // RUN: FileCheck -check-prefix=CHECK-HP-HC %s
  45 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
  46 // RUN: -DPARENT_CLASS_VISIBILITY=HIDDEN -DCHILD_CLASS_VISIBILITY=HIDDEN \
  47 // RUN: -DPARENT_METHOD_VISIBILITY="" -DCHILD_METHOD_VISIBILITY="" %s | \
  48 // RUN: llvm-readelf -s - 2>&1 | \
  49 // RUN: FileCheck -check-prefix=CHECK-HP-HC-RE %s
  50
  51 // CHECK-X-DAG: _ZN1CC2Ev
  52 // CHECK-X-DAG: _ZN1CD0Ev
  53 // CHECK-X-DAG: _ZN1CD2Ev
  54 // CHECK-X-DAG: _ZN1SC2Ev
  55 // CHECK-X-DAG: _ZN1SD0Ev
  56 // CHECK-X-DAG: _ZN1SD2Ev
  57 // CHECK-X-DAG: _ZN1C1mEv
  58 // CHECK-X-DAG: _ZN1S1nEv
  59
  60 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1C1mEv
  61 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CC2Ev
  62 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CD0Ev
  63 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CD2Ev
  64 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1S1nEv
  65 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SC2Ev
  66 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SD0Ev
  67 // CHECK-X-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SD2Ev
  68
  69 // CHECK-HP2-DAG: _ZN1CC2Ev
  70 // CHECK-HP2-DAG: _ZN1CD0Ev
  71 // CHECK-HP2-DAG: _ZN1CD2Ev
  72 // CHECK-HP2-DAG: _ZN1C1mEv
  73
  74 // CHECK-HP-NOT: _ZN1S1nEv
  75 // CHECK-HP-NOT: _ZN1SC2Ev
  76 // CHECK-HP-NOT: _ZN1SD0Ev
  77 // CHECK-HP-NOT: _ZN1SD2Ev
  78
  79 // CHECK-HP-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1C1mEv
  80 // CHECK-HP-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CC2Ev
  81 // CHECK-HP-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CD0Ev
  82 // CHECK-HP-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1CD2Ev
  83 // CHECK-HP-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1S1nEv
  84 // CHECK-HP-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SC2Ev
  85 // CHECK-HP-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SD0Ev
  86 // CHECK-HP-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SD2Ev
  87
  88 // CHECK-HC2-DAG: _ZN1SC2Ev
  89 // CHECK-HC2-DAG: _ZN1SD0Ev
  90 // CHECK-HC2-DAG: _ZN1SD2Ev
  91 // CHECK-HC2-DAG: _ZN1S1nEv
  92
  93 // CHECK-HC-NOT: _ZN1C1mEv
  94 // CHECK-HC-NOT: _ZN1CC2Ev
  95 // CHECK-HC-NOT: _ZN1CD0Ev
  96 // CHECK-HC-NOT: _ZN1CD2Ev
  97
  98 // CHECK-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1C1mEv
  99 // CHECK-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CC2Ev
 100 // CHECK-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CD0Ev
 101 // CHECK-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CD2Ev
 102 // CHECK-HC-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1S1nEv
 103 // CHECK-HC-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SC2Ev
 104 // CHECK-HC-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SD0Ev
 105 // CHECK-HC-RE-DAG: FUNC    WEAK   DEFAULT   [[#]] _ZN1SD2Ev
 106
 107 // CHECK-HP-HC-NOT: _ZN1CC2Ev
 108 // CHECK-HP-HC-NOT: _ZN1CD0Ev
 109 // CHECK-HP-HC-NOT: _ZN1CD2Ev
 110 // CHECK-HP-HC-NOT: _ZN1SC2Ev
 111 // CHECK-HP-HC-NOT: _ZN1SD0Ev
 112 // CHECK-HP-HC-NOT: _ZN1SD2Ev
 113 // CHECK-HP-HC-NOT: _ZN1C1mEv
 114 // CHECK-HP-HC-NOT: _ZN1S1nEv
 115
 116 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1C1mEv
 117 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CC2Ev
 118 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CD0Ev
 119 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1CD2Ev
 120 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1S1nEv
 121 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SC2Ev
 122 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SD0Ev
 123 // CHECK-HP-HC-RE-DAG: FUNC    WEAK   HIDDEN    [[#]] _ZN1SD2Ev
 124
 125 // TODO: clang+llvm does not materialize complete ctors and dtors for the
 126 // Itanium abi. Figure out why and add the check-not for these:
 127 // _ZN1CC1Ev
 128 // _ZN1CD1Ev
 129 // _ZN1SC1Ev
 130 // _ZN1SD1Ev
 131
 132 #define HIDDEN __attribute__((__visibility__("hidden")))
 133 #define DEFAULT __attribute__((__visibility__("default")))
 134
 135 struct PARENT_CLASS_VISIBILITY S {
 136   virtual ~S() {}
 137   virtual PARENT_METHOD_VISIBILITY void n() {}
 138 };
 139
 140 class CHILD_CLASS_VISIBILITY C : public S {
 141 public:
 142   virtual CHILD_METHOD_VISIBILITY void m() {}
 143 };
 144
 145 void f() {
 146   C c;
 147   c.m();
 148   c.n();
 149 }