clang/test/CodeGenCXX/cfi-speculative-vtable.cpp

   1 // Test that we don't emit a bit set entry for a speculative (available_externally) vtable.
   2 // This does not happen in the Microsoft ABI.
   3 // RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 -disable-llvm-passes -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -emit-llvm -o - %s | FileCheck  %s
   4 // RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 -disable-llvm-passes -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck  %s
   5
   6 class A {
   7  public:
   8   virtual ~A();
   9 };
  10
  11 A a;
  12
  13 // CHECK: @_ZTV1A ={{.*}} available_externally
  14 // CHECK-NOT: !{{.*}} = !{!{{.*}}, ptr @_ZTV1A, i64 16}