clang/test/CodeGenCXX/thunks-ehspec.cpp

   1 // RUN: %clang_cc1 -fexceptions -fcxx-exceptions %s -triple=x86_64-pc-linux-gnu -funwind-tables=2 -emit-llvm -o - -O1 -disable-llvm-passes | FileCheck %s
   2
   3 // When generating the thunk for secondary, do not push terminate scopes for
   4 // either the varargs or non-varargs case. Related to PR44987.
   5
   6 struct A {
   7   virtual void primary_key();
   8 };
   9 struct B {
  10   virtual void secondary();
  11   virtual void secondary_vararg(int, ...);
  12 };
  13 class C : A, B {
  14   virtual void primary_key();
  15   void secondary() noexcept;
  16   void secondary_vararg(int, ...) noexcept;
  17 };
  18 void C::primary_key() {}
  19
  20 // CHECK-LABEL: define available_externally void @_ZThn8_N1C9secondaryEv(ptr noundef %this) {{.*}} #2
  21 // CHECK-NOT: invoke
  22 // CHECK: tail call void @_ZN1C9secondaryEv(ptr {{[^,]*}} %{{.*}})
  23 // CHECK-NOT: invoke
  24 // CHECK: ret void
  25
  26 // CHECK-LABEL: define available_externally void @_ZThn8_N1C16secondary_varargEiz(ptr noundef %this, i32 noundef %0, ...) {{.*}} #2
  27 // CHECK-NOT: invoke
  28 // CHECK:  musttail call void (ptr, i32, ...) @_ZN1C16secondary_varargEiz(ptr {{[^,]*}} %{{.*}}, i32 noundef %{{.*}}, ...) #3
  29 // CHECK-NEXT:  ret void