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 inline void f1(int);
  30
  31 // NORMAL-LABEL: define linkonce_odr void @_Z2f1i
  32 // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?f1@@YAXH@Z"
  33 void f1(int) { }
  34
  35 void test_f1() { f1(17); }
  36
  37 // PR8789
  38 namespace test1 {
  39   template <typename T> class ClassTemplate {
  40   private:
  41     friend void T::func();
  42     void g() {}
  43   };
  44
  45   // NORMAL-LABEL: define linkonce_odr void @_ZN5test11C4funcEv(
  46   // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?func@C@test1@@QEAAXXZ"(
  47
  48   class C {
  49   public:
  50     void func() {
  51       ClassTemplate<C> ct;
  52       ct.g();
  53     }
  54   };
  55
  56   void f() {
  57     C c;
  58     c.func();
  59   }
  60 }
  61
  62 // PR13252
  63 namespace test2 {
  64   struct A;
  65   void f(const A& a);
  66   struct A {
  67     friend void f(const A& a) { }
  68   };
  69   void g() {
  70     A a;
  71     f(a);
  72   }
  73   // NORMAL-LABEL: define linkonce_odr void @_ZN5test21fERKNS_1AE
  74   // MSVCCOMPAT-LABEL: define linkonce_odr dso_local void @"?f@test2@@YAXAEBUA@1@@Z"
  75 }
  76
  77 // NORMAL-NOT: _Z17ExternAndInlineFnv
  78 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?ExternAndInlineFn@@YAXXZ"
  79 extern inline void ExternAndInlineFn() {}
  80
  81 // NORMAL-NOT: _Z18InlineThenExternFnv
  82 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?InlineThenExternFn@@YAXXZ"
  83 inline void InlineThenExternFn() {}
  84 extern void InlineThenExternFn();
  85
  86 // NORMAL-LABEL: define{{.*}} void @_Z18ExternThenInlineFnv
  87 // MSVCCOMPAT-LABEL: define dso_local void @"?ExternThenInlineFn@@YAXXZ"
  88 extern void ExternThenInlineFn() {}
  89
  90 // NORMAL-NOT: _Z25ExternThenInlineThenDefFnv
  91 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?ExternThenInlineThenDefFn@@YAXXZ"
  92 extern void ExternThenInlineThenDefFn();
  93 inline void ExternThenInlineThenDefFn();
  94 void ExternThenInlineThenDefFn() {}
  95
  96 // NORMAL-NOT: _Z25InlineThenExternThenDefFnv
  97 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"?InlineThenExternThenDefFn@@YAXXZ"
  98 inline void InlineThenExternThenDefFn();
  99 extern void InlineThenExternThenDefFn();
 100 void InlineThenExternThenDefFn() {}
 101
 102 // NORMAL-NOT: _Z17ExternAndConstexprFnv
 103 // MSVCCOMPAT-LABEL: define weak_odr dso_local noundef i32 @"?ExternAndConstexprFn@@YAHXZ"
 104 extern constexpr int ExternAndConstexprFn() { return 0; }
 105
 106 // NORMAL-NOT: _Z11ConstexprFnv
 107 // MSVCCOMPAT-NOT: @"?ConstexprFn@@YAHXZ"
 108 constexpr int ConstexprFn() { return 0; }
 109
 110 template <typename T>
 111 extern inline void ExternInlineOnPrimaryTemplate(T);
 112
 113 // NORMAL-LABEL: define{{.*}} void @_Z29ExternInlineOnPrimaryTemplateIiEvT_
 114 // MSVCCOMPAT-LABEL: define dso_local void @"??$ExternInlineOnPrimaryTemplate@H@@YAXH@Z"
 115 template <>
 116 void ExternInlineOnPrimaryTemplate(int) {}
 117
 118 template <typename T>
 119 extern inline void ExternInlineOnPrimaryTemplateAndSpecialization(T);
 120
 121 // NORMAL-NOT: _Z46ExternInlineOnPrimaryTemplateAndSpecializationIiEvT_
 122 // MSVCCOMPAT-LABEL: define weak_odr dso_local void @"??$ExternInlineOnPrimaryTemplateAndSpecialization@H@@YAXH@Z"
 123 template <>
 124 extern inline void ExternInlineOnPrimaryTemplateAndSpecialization(int) {}
 125
 126 struct TypeWithInlineMethods {
 127   // NORMAL-NOT: _ZN21TypeWithInlineMethods9StaticFunEv
 128   // MSVCCOMPAT-NOT: @"?StaticFun@TypeWithInlineMethods@@SAXXZ"
 129   static void StaticFun() {}
 130   // NORMAL-NOT: _ZN21TypeWithInlineMethods12NonStaticFunEv
 131   // MSVCCOMPAT-NOT: @"?NonStaticFun@TypeWithInlineMethods@@QEAAXXZ"
 132   void NonStaticFun() { StaticFun(); }
 133 };
 134
 135 namespace PR22959 {
 136 template <typename>
 137 struct S;
 138
 139 S<int> Foo();
 140
 141 template <typename>
 142 struct S {
 143   friend S<int> Foo();
 144 };
 145
 146 __attribute__((used)) inline S<int> Foo() { return S<int>(); }
 147 // NORMAL-LABEL: define linkonce_odr void @_ZN7PR229593FooEv(
 148 // MSVCCOMPAT-LABEL: define linkonce_odr dso_local i8 @"?Foo@PR22959@@YA?AU?$S@H@1@XZ"(
 149 }