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      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 @"\01?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: @"\01?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 void @"\01?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 void @"\01?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 void @"\01?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 void @"\01?f@test2@@YAXAEBUA@1@@Z"
     76 }
     77 
     78 // NORMAL-NOT: _Z17ExternAndInlineFnv
     79 // MSVCCOMPAT-LABEL: define weak_odr void @"\01?ExternAndInlineFn@@YAXXZ"
     80 extern inline void ExternAndInlineFn() {}
     81 
     82 // NORMAL-NOT: _Z18InlineThenExternFnv
     83 // MSVCCOMPAT-LABEL: define weak_odr void @"\01?InlineThenExternFn@@YAXXZ"
     84 inline void InlineThenExternFn() {}
     85 extern void InlineThenExternFn();
     86 
     87 // NORMAL-LABEL: define void @_Z18ExternThenInlineFnv
     88 // MSVCCOMPAT-LABEL: define void @"\01?ExternThenInlineFn@@YAXXZ"
     89 extern void ExternThenInlineFn() {}
     90 
     91 // NORMAL-NOT: _Z25ExternThenInlineThenDefFnv
     92 // MSVCCOMPAT-LABEL: define weak_odr void @"\01?ExternThenInlineThenDefFn@@YAXXZ"
     93 extern void ExternThenInlineThenDefFn();
     94 inline void ExternThenInlineThenDefFn();
     95 void ExternThenInlineThenDefFn() {}
     96 
     97 // NORMAL-NOT: _Z25InlineThenExternThenDefFnv
     98 // MSVCCOMPAT-LABEL: define weak_odr void @"\01?InlineThenExternThenDefFn@@YAXXZ"
     99 inline void InlineThenExternThenDefFn();
    100 extern void InlineThenExternThenDefFn();
    101 void InlineThenExternThenDefFn() {}
    102 
    103 // NORMAL-NOT: _Z17ExternAndConstexprFnv
    104 // MSVCCOMPAT-LABEL: define weak_odr i32 @"\01?ExternAndConstexprFn@@YAHXZ"
    105 extern constexpr int ExternAndConstexprFn() { return 0; }
    106 
    107 // NORMAL-NOT: _Z11ConstexprFnv
    108 // MSVCCOMPAT-NOT: @"\01?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 void @"\01??$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 void @"\01??$ExternInlineOnPrimaryTemplateAndSpecialization@H@@YAXH@Z"
    124 template <>
    125 extern inline void ExternInlineOnPrimaryTemplateAndSpecialization(int) {}
    126 
    127 struct TypeWithInlineMethods {
    128   // NORMAL-NOT: _ZN21TypeWithInlineMethods9StaticFunEv
    129   // MSVCCOMPAT-NOT: @"\01?StaticFun@TypeWithInlineMethods@@SAXXZ"
    130   static void StaticFun() {}
    131   // NORMAL-NOT: _ZN21TypeWithInlineMethods12NonStaticFunEv
    132   // MSVCCOMPAT-NOT: @"\01?NonStaticFun@TypeWithInlineMethods@@QEAAXXZ"
    133   void NonStaticFun() { StaticFun(); }
    134 };
    135 
    136 namespace PR22959 {
    137 template <typename>
    138 struct S;
    139 
    140 S<int> Foo();
    141 
    142 template <typename>
    143 struct S {
    144   friend S<int> Foo();
    145 };
    146 
    147 __attribute__((used)) inline S<int> Foo() { return S<int>(); }
    148 // NORMAL-LABEL: define linkonce_odr void @_ZN7PR229593FooEv(
    149 // MSVCCOMPAT-LABEL: define linkonce_odr i8 @"\01?Foo@PR22959@@YA?AU?$S@H@1@XZ"(
    150 }
    151