clang/test/CodeGenCXX/virtual-compare.cpp

   1 // RUN: %clang_cc1 -std=c++2a -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck %s
   2
   3 #include "Inputs/std-compare.h"
   4
   5 // CHECK: @_ZTV1A =
   6 struct A;
   7 struct X {
   8   // CHECK-SAME: @_ZN1X1xEv
   9   virtual void x();
  10   friend auto operator<=>(X, X) = default;
  11 };
  12 struct Y {
  13   virtual ~Y();
  14   virtual A &operator=(const A &);
  15   friend auto operator<=>(Y, Y) = default;
  16 };
  17 struct A : X, Y {
  18   // CHECK-SAME: @_ZN1A1fEv
  19   virtual void f();
  20   // CHECK-SAME: @_ZNKR1AssERKS_
  21   virtual std::strong_ordering operator<=>(const A &) const & = default;
  22   // CHECK-SAME: @_ZN1A1gEv
  23   virtual void g();
  24   // CHECK-SAME: @_ZN1A1hEv
  25   virtual void h();
  26
  27   // CHECK-SAME: @_ZN1AaSERKS_
  28   // implicit virtual A &operator=(const A&) = default;
  29
  30   // CHECK-SAME: @_ZN1AD1Ev
  31   // CHECK-SAME: @_ZN1AD0Ev
  32   // implicit virtual ~A();
  33
  34   // CHECK-SAME: @_ZNKR1AeqERKS_
  35   // implicit virtual A &operator==(const A&) const & = default;
  36 };
  37
  38 // For Y:
  39 // CHECK-SAME: @_ZTI1A
  40
  41 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AD1Ev
  42 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AD0Ev
  43 // virtual ~Y();
  44
  45 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AaSERKS_
  46 // virtual A &operator=(const A &);
  47
  48 void A::f() {}