clang/test/InterfaceStubs/class-template-specialization.cpp

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs %s | \
   3 // RUN: FileCheck -check-prefix=CHECK-TAPI %s
   4
   5 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs %s | \
   6 // RUN: FileCheck -check-prefix=CHECK-TAPI2 %s
   7
   8 // RUN: %clang -target x86_64-unknown-linux-gnu -c -o - %s | llvm-readelf -s - 2>&1 | \
   9 // RUN: FileCheck -check-prefix=CHECK-SYMBOLS %s
  10
  11 // For the following:
  12 // g()
  13 // n::S<int>::S()
  14 // n::S<int>::~S()
  15 // n::S<int>::func() const
  16 // n::S<int>::S(n::S<int> const&)
  17
  18 // We expect these manglings:
  19 // CHECK-TAPI: Symbols:
  20 // CHECK-TAPI-NOT: _ZNK1n1SIiEclEv
  21 // CHECK-TAPI2: Symbols:
  22 // CHECK-TAPI2: _Z1g
  23
  24 // CHECK-SYMBOLS-DAG: FUNC    GLOBAL DEFAULT    {{[0-9]}} _Z1g
  25 // CHECK-SYMBOLS-DAG: FUNC    WEAK   HIDDEN     {{[0-9]}} _ZNK1n1SIiEclEv
  26
  27 namespace n {
  28 template <typename T>
  29 struct __attribute__((__visibility__("default"))) S {
  30   S() = default;
  31   ~S() = default;
  32   int __attribute__((__visibility__(("default")))) func() const {
  33     return 1844;
  34   }
  35   int __attribute__((__visibility__(("hidden")))) operator()() const {
  36     return 1863;
  37   }
  38 };
  39 } // namespace n
  40
  41 void g() { n::S<int>()(); }