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: @_ZNKO1AssERKS_
  25   virtual std::strong_ordering operator<=>(const A &) const && = default;
  26   // CHECK-SAME: @_ZN1A1hEv
  27   virtual void h();
  28
  29   // CHECK-SAME: @_ZN1AaSERKS_
  30   // implicit virtual A &operator=(const A&) = default;
  31
  32   // CHECK-SAME: @_ZN1AD1Ev
  33   // CHECK-SAME: @_ZN1AD0Ev
  34   // implicit virtual ~A();
  35
  36   // CHECK-SAME: @_ZNKR1AeqERKS_
  37   // implicit virtual A &operator==(const A&) const & = default;
  38
  39   // CHECK-SAME: @_ZNKO1AeqERKS_
  40   // implicit virtual A &operator==(const A&) const && = default;
  41 };
  42
  43 // For Y:
  44 // CHECK-SAME: @_ZTI1A
  45
  46 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AD1Ev
  47 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AD0Ev
  48 // virtual ~Y();
  49
  50 // CHECK-SAME: @_ZThn{{[0-9]*}}_N1AaSERKS_
  51 // virtual A &operator=(const A &);
  52
  53 void A::f() {}