clang/test/CodeGenCXX/inline-functions.cpp

   1 // RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s --check-prefix=CHECK --check-prefix=NORMAL
   2 // RUN: %clang_cc1 %s -std=c++11 -fms-compatibility -triple=x86_64-pc-win32 -emit-llvm -o - | FileCheck %s --check-prefix=CHECK --check-prefix=MSVCCOMPAT
   3 // CHECK: ; ModuleID
   4
   5 struct A {
   6     inline void f();
   7 };
   8
   9 // NORMAL-NOT: define{{.*}} void @_ZN1A1fEv
  10 // MSVCCOMPAT-NOT: define{{.*}} void @"?f@A@@QEAAXXZ"
  11 void A::f() { }
  12
  13 template<typename> struct B { };
  14
  15 template<> struct B<char> {
  16   inline void f();
  17 };
  18
  19 // NORMAL-NOT: _ZN1BIcE1fEv
  20 // MSVCCOMPAT-NOT: @"?f@?$B@D@@QEAAXXZ"
  21 void B<char>::f() { }
  22
  23 // We need a final CHECK line here.
  24
  25 // NORMAL-LABEL: define{{.*}} void @_Z1fv
  26 // MSVCCOMPAT-LABEL: define dso_local void @"?f@@YAXXZ"
  27 void f() { }
  28
  29 // <rdar://problem/8740363>
  30 inline void f1(int);
  31
  32 // NORMAL-LABEL: define linkonce_odr void @_Z2f1i
  33 // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?f1@@YAXH@Z"
  34 void f1(int) { }
  35
  36 void test_f1() { f1(17); }
  37
  38 // PR8789
  39 namespace test1 {
  40   template <typename T> class ClassTemplate {
  41   private:
  42     friend void T::func();
  43     void g() {}
  44   };
  45
  46   // NORMAL-LABEL: define linkonce_odr void @_ZN5test11C4funcEv(
  47   // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?func@C@test1@@QEAAXXZ"(
  48
  49   class C {
  50   public:
  51     void func() {
  52       ClassTemplate<C> ct;
  53       ct.g();
  54     }
  55   };
  56
  57   void f() {
  58     C c;
  59     c.func();
  60   }
  61 }
  62
  63 // PR13252
  64 namespace test2 {
  65   struct A;
  66   void f(const A& a);
  67   struct A {
  68     friend void f(const A& a) { }
  69   };
  70   void g() {
  71     A a;
  72     f(a);
  73   }
  74   // NORMAL-LABEL: define linkonce_odr void @_ZN5test21fERKNS_1AE
  75   // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?f@test2@@YAXAEBUA@1@@Z"
  76 }
  77
  78 // NORMAL-NOT: _Z17ExternAndInlineFnv
  79 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?ExternAndInlineFn@@YAXXZ"
  80 extern inline void ExternAndInlineFn() {}
  81
  82 // NORMAL-NOT: _Z18InlineThenExternFnv
  83 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?InlineThenExternFn@@YAXXZ"
  84 inline void InlineThenExternFn() {}
  85 extern void InlineThenExternFn();
  86
  87 // NORMAL-LABEL: define{{.*}} void @_Z18ExternThenInlineFnv
  88 // MSVCCOMPAT-LABEL: define dso_local void @"?ExternThenInlineFn@@YAXXZ"
  89 extern void ExternThenInlineFn() {}
  90
  91 // NORMAL-NOT: _Z25ExternThenInlineThenDefFnv
  92 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?ExternThenInlineThenDefFn@@YAXXZ"
  93 extern void ExternThenInlineThenDefFn();
  94 inline void ExternThenInlineThenDefFn();
  95 void ExternThenInlineThenDefFn() {}
  96
  97 // NORMAL-NOT: _Z25InlineThenExternThenDefFnv
  98 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?InlineThenExternThenDefFn@@YAXXZ"
  99 inline void InlineThenExternThenDefFn();
 100 extern void InlineThenExternThenDefFn();
 101 void InlineThenExternThenDefFn() {}
 102
 103 // NORMAL-NOT: _Z17ExternAndConstexprFnv
 104 // MSVCCOMPAT-LABEL: define weak_odr dso_local noundef i32 @"?ExternAndConstexprFn@@YAHXZ"
 105 extern constexpr int ExternAndConstexprFn() { return 0; }
 106
 107 // NORMAL-NOT: _Z11ConstexprFnv
 108 // MSVCCOMPAT-NOT: @"?ConstexprFn@@YAHXZ"
 109 constexpr int ConstexprFn() { return 0; }
 110
 111 template <typename T>
 112 extern inline void ExternInlineOnPrimaryTemplate(T);
 113
 114 // NORMAL-LABEL: define{{.*}} void @_Z29ExternInlineOnPrimaryTemplateIiEvT_
 115 // MSVCCOMPAT-LABEL: define dso_local void @"??$ExternInlineOnPrimaryTemplate@H@@YAXH@Z"
 116 template <>
 117 void ExternInlineOnPrimaryTemplate(int) {}
 118
 119 template <typename T>
 120 extern inline void ExternInlineOnPrimaryTemplateAndSpecialization(T);
 121
 122 // NORMAL-NOT: _Z46ExternInlineOnPrimaryTemplateAndSpecializationIiEvT_
 123 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"??$ExternInlineOnPrimaryTemplateAndSpecialization@H@@YAXH@Z"
 124 template <>
 125 extern inline void ExternInlineOnPrimaryTemplateAndSpecialization(int) {}
 126
 127 struct TypeWithInlineMethods {
 128   // NORMAL-NOT: _ZN21TypeWithInlineMethods9StaticFunEv
 129   // MSVCCOMPAT-NOT: @"?StaticFun@TypeWithInlineMethods@@SAXXZ"
 130   static void StaticFun() {}
 131   // NORMAL-NOT: _ZN21TypeWithInlineMethods12NonStaticFunEv
 132   // MSVCCOMPAT-NOT: @"?NonStaticFun@TypeWithInlineMethods@@QEAAXXZ"
 133   void NonStaticFun() { StaticFun(); }
 134 };
 135
 136 namespace PR22959 {
 137 template <typename>
 138 struct S;
 139
 140 S<int> Foo();
 141
 142 template <typename>
 143 struct S {
 144   friend S<int> Foo();
 145 };
 146
 147 __attribute__((used)) inline S<int> Foo() { return S<int>(); }
 148 // NORMAL-LABEL: define linkonce_odr void @_ZN7PR229593FooEv(
 149 // MSVCCOMPAT-LABEL: define linkonce_odr dso_local i8 @"?Foo@PR22959@@YA?AU?$S@H@1@XZ"(
 150 }