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llvm-project/clang/test/CodeGenCXX/mangle.cpp

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// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -fblocks -std=c++11 | FileCheck %s
struct X { };
struct Y { };
// CHECK: @unmangled_variable = global
// CHECK: @_ZN1N1iE = global
// CHECK: @_ZZN1N1fEiiE1b = internal global
// CHECK: @_ZZN1N1gEvE1a = internal global
// CHECK: @_ZGVZN1N1gEvE1a = internal global
//CHECK: @pr5966_i = external global
//CHECK: @_ZL8pr5966_j = internal global
// CHECK-LABEL: define zeroext i1 @_ZplRK1YRA100_P1X
bool operator+(const Y&, X* (&xs)[100]) { return false; }
// CHECK-LABEL: define void @_Z1f1s
typedef struct { int a; } s;
void f(s) { }
// CHECK-LABEL: define void @_Z1f1e
typedef enum { foo } e;
void f(e) { }
// CHECK-LABEL: define void @_Z1f1u
typedef union { int a; } u;
void f(u) { }
// CHECK-LABEL: define void @_Z1f1x
typedef struct { int a; } x,y;
void f(y) { }
// CHECK-LABEL: define void @_Z1fv
void f() { }
// CHECK-LABEL: define void @_ZN1N1fEv
namespace N { void f() { } }
// CHECK-LABEL: define void @_ZN1N1N1fEv
namespace N { namespace N { void f() { } } }
// CHECK-LABEL: define void @unmangled_function
extern "C" { namespace N { void unmangled_function() { } } }
extern "C" { namespace N { int unmangled_variable = 10; } }
namespace N { int i; }
namespace N { int f(int, int) { static int b; return b; } }
namespace N { int h(); void g() { static int a = h(); } }
// CHECK-LABEL: define void @_Z1fno
void f(__int128_t, __uint128_t) { }
template <typename T> struct S1 {};
// CHECK-LABEL: define void @_Z1f2S1IiE
void f(S1<int>) {}
// CHECK-LABEL: define void @_Z1f2S1IdE
void f(S1<double>) {}
template <int N> struct S2 {};
// CHECK-LABEL: define void @_Z1f2S2ILi100EE
void f(S2<100>) {}
// CHECK-LABEL: define void @_Z1f2S2ILin100EE
void f(S2<-100>) {}
template <bool B> struct S3 {};
// CHECK-LABEL: define void @_Z1f2S3ILb1EE
void f(S3<true>) {}
// CHECK-LABEL: define void @_Z1f2S3ILb0EE
void f(S3<false>) {}
struct S;
// CHECK-LABEL: define void @_Z1fM1SKFvvE
void f(void (S::*)() const) {}
// CHECK-LABEL: define void @_Z1fM1SFvvE
void f(void (S::*)()) {}
// CHECK-LABEL: define void @_Z1fi
void f(const int) { }
template<typename T, typename U> void ft1(U u, T t) { }
template<typename T> void ft2(T t, void (*)(T), void (*)(T)) { }
template<typename T, typename U = S1<T> > struct S4 { };
template<typename T> void ft3(S4<T>*) { }
namespace NS {
template<typename T> void ft1(T) { }
}
void g1() {
// CHECK: @_Z3ft1IidEvT0_T_
ft1<int, double>(1, 0);
// CHECK: @_Z3ft2IcEvT_PFvS0_ES2_
ft2<char>(1, 0, 0);
// CHECK: @_Z3ft3IiEvP2S4IT_2S1IS1_EE
ft3<int>(0);
// CHECK: @_ZN2NS3ft1IiEEvT_
NS::ft1<int>(1);
}
// Expressions
template<int I> struct S5 { };
template<int I> void ft4(S5<I>) { }
void g2() {
// CHECK: @_Z3ft4ILi10EEv2S5IXT_EE
ft4(S5<10>());
// CHECK: @_Z3ft4ILi20EEv2S5IXT_EE
ft4(S5<20>());
}
extern "C++" {
// CHECK: @_Z1hv
void h() { }
}
// PR5019
extern "C" { struct a { int b; }; }
// CHECK: @_Z1fP1a
int f(struct a *x) {
return x->b;
}
// PR5017
extern "C" {
struct Debug {
const Debug& operator<< (unsigned a) const { return *this; }
};
Debug dbg;
// CHECK: @_ZNK5DebuglsEj
int main(void) { dbg << 32 ;}
}
template<typename T> struct S6 {
typedef int B;
};
template<typename T> void ft5(typename S6<T>::B) { }
// CHECK: @_Z3ft5IiEvN2S6IT_E1BE
template void ft5<int>(int);
template<typename T> class A {};
namespace NS {
template<typename T> bool operator==(const A<T>&, const A<T>&) { return true; }
}
// CHECK: @_ZN2NSeqIcEEbRK1AIT_ES5_
template bool NS::operator==(const ::A<char>&, const ::A<char>&);
namespace std {
template<typename T> bool operator==(const A<T>&, const A<T>&) { return true; }
}
// CHECK: @_ZSteqIcEbRK1AIT_ES4_
template bool std::operator==(const ::A<char>&, const ::A<char>&);
struct S {
typedef int U;
};
template <typename T> typename T::U ft6(const T&) { return 0; }
// CHECK: @_Z3ft6I1SENT_1UERKS1_
template int ft6<S>(const S&);
template<typename> struct __is_scalar_type {
enum { __value = 1 };
};
template<bool, typename> struct __enable_if { };
template<typename T> struct __enable_if<true, T> {
typedef T __type;
};
// PR5063
template<typename T> typename __enable_if<__is_scalar_type<T>::__value, void>::__type ft7() { }
// CHECK: @_Z3ft7IiEN11__enable_ifIXsr16__is_scalar_typeIT_EE7__valueEvE6__typeEv
template void ft7<int>();
// CHECK: @_Z3ft7IPvEN11__enable_ifIXsr16__is_scalar_typeIT_EE7__valueEvE6__typeEv
template void ft7<void*>();
// PR5144
extern "C" {
void extern_f(void);
};
// CHECK: @extern_f
void extern_f(void) { }
struct S7 {
S7();
struct S { S(); };
struct {
S s;
} a;
};
// PR5139
// CHECK: @_ZN2S7C2Ev
// CHECK: @_ZN2S7Ut_C1Ev
// CHECK: @_ZN2S7C1Ev
S7::S7() {}
// PR5063
template<typename T> typename __enable_if<(__is_scalar_type<T>::__value), void>::__type ft8() { }
// CHECK: @_Z3ft8IiEN11__enable_ifIXsr16__is_scalar_typeIT_EE7__valueEvE6__typeEv
template void ft8<int>();
// CHECK: @_Z3ft8IPvEN11__enable_ifIXsr16__is_scalar_typeIT_EE7__valueEvE6__typeEv
template void ft8<void*>();
// PR5796
namespace PR5796 {
template<typename> struct __is_scalar_type {
enum { __value = 0 };
};
template<bool, typename> struct __enable_if {};
template<typename T> struct __enable_if<true, T> { typedef T __type; };
template<typename T>
// CHECK-LABEL: define linkonce_odr void @_ZN6PR57968__fill_aIiEENS_11__enable_ifIXntsr16__is_scalar_typeIT_EE7__valueEvE6__typeEv
typename __enable_if<!__is_scalar_type<T>::__value, void>::__type __fill_a() { };
void f() { __fill_a<int>(); }
}
namespace Expressions {
// Unary operators.
// CHECK-LABEL: define weak_odr void @_ZN11Expressions2f1ILi1EEEvPAplngT_Li2E_i
template <int i> void f1(int (*)[(-i) + 2]) { };
template void f1<1>(int (*)[1]);
// CHECK-LABEL: define weak_odr void @_ZN11Expressions2f2ILi1EEEvPApsT__i
template <int i> void f2(int (*)[+i]) { };
template void f2<1>(int (*)[1]);
// Binary operators.
// CHECK-LABEL: define weak_odr void @_ZN11Expressions2f3ILi1EEEvPAplT_T__i
template <int i> void f3(int (*)[i+i]) { };
template void f3<1>(int (*)[2]);
// CHECK-LABEL: define weak_odr void @_ZN11Expressions2f4ILi1EEEvPAplplLi2ET_T__i
template <int i> void f4(int (*)[2 + i+i]) { };
template void f4<1>(int (*)[4]);
// The ternary operator.
// CHECK-LABEL: define weak_odr void @_ZN11Expressions2f4ILb1EEEvPAquT_Li1ELi2E_i
template <bool b> void f4(int (*)[b ? 1 : 2]) { };
template void f4<true>(int (*)[1]);
}
struct Ops {
Ops& operator+(const Ops&);
Ops& operator-(const Ops&);
Ops& operator&(const Ops&);
Ops& operator*(const Ops&);
void *v;
};
// CHECK-LABEL: define nonnull %struct.Ops* @_ZN3OpsplERKS_
Ops& Ops::operator+(const Ops&) { return *this; }
// CHECK-LABEL: define nonnull %struct.Ops* @_ZN3OpsmiERKS_
Ops& Ops::operator-(const Ops&) { return *this; }
// CHECK-LABEL: define nonnull %struct.Ops* @_ZN3OpsanERKS_
Ops& Ops::operator&(const Ops&) { return *this; }
// CHECK-LABEL: define nonnull %struct.Ops* @_ZN3OpsmlERKS_
Ops& Ops::operator*(const Ops&) { return *this; }
// PR5861
namespace PR5861 {
template<bool> class P;
template<> class P<true> {};
template<template <bool> class, bool>
struct Policy { };
template<typename T, typename = Policy<P, true> > class Alloc
{
T *allocate(int, const void*) { return 0; }
};
// CHECK-LABEL: define weak_odr i8* @_ZN6PR58615AllocIcNS_6PolicyINS_1PELb1EEEE8allocateEiPKv
template class Alloc<char>;
}
// CHECK-LABEL: define void @_Z1fU13block_pointerFiiiE
void f(int (^)(int, int)) { }
void pr5966_foo() {
extern int pr5966_i;
pr5966_i = 0;
}
static int pr5966_j;
void pr5966_bar() {
pr5966_j = 0;
}
namespace test0 {
int ovl(int x);
char ovl(double x);
template <class T> void f(T, char (&buffer)[sizeof(ovl(T()))]) {}
void test0() {
char buffer[1];
f(0.0, buffer);
}
// CHECK-LABEL: define void @_ZN5test05test0Ev()
// CHECK-LABEL: define linkonce_odr void @_ZN5test01fIdEEvT_RAszcl3ovlcvS1__EE_c(
void test1() {
char buffer[sizeof(int)];
f(1, buffer);
}
// CHECK-LABEL: define void @_ZN5test05test1Ev()
// CHECK-LABEL: define linkonce_odr void @_ZN5test01fIiEEvT_RAszcl3ovlcvS1__EE_c(
template <class T> void g(char (&buffer)[sizeof(T() + 5.0f)]) {}
void test2() {
char buffer[sizeof(float)];
g<float>(buffer);
}
// CHECK-LABEL: define linkonce_odr void @_ZN5test01gIfEEvRAszplcvT__ELf40a00000E_c(
template <class T> void h(char (&buffer)[sizeof(T() + 5.0)]) {}
void test3() {
char buffer[sizeof(double)];
h<float>(buffer);
}
// CHECK-LABEL: define linkonce_odr void @_ZN5test01hIfEEvRAszplcvT__ELd4014000000000000E_c(
template <class T> void j(char (&buffer)[sizeof(T().buffer)]) {}
struct A { double buffer[128]; };
void test4() {
char buffer[1024];
j<A>(buffer);
}
// CHECK-LABEL: define linkonce_odr void @_ZN5test01jINS_1AEEEvRAszdtcvT__E6buffer_c(
template <class T> void k(char (&buffer)[sizeof(T() + 0.0f)]) {}
void test5() {
char buffer[sizeof(float)];
k<float>(buffer);
}
// CHECK-LABEL: define linkonce_odr void @_ZN5test01kIfEEvRAszplcvT__ELf00000000E_c(
}
namespace test1 {
template<typename T> struct X { };
template<template<class> class Y, typename T> void f(Y<T>) { }
// CHECK-LABEL: define weak_odr void @_ZN5test11fINS_1XEiEEvT_IT0_E
template void f(X<int>);
}
// CHECK-LABEL: define internal void @_ZL27functionWithInternalLinkagev()
static void functionWithInternalLinkage() { }
void g() { functionWithInternalLinkage(); }
namespace test2 {
template <class T> decltype(((T*) 0)->member) read_member(T& obj) {
return obj.member;
}
struct A { int member; } obj;
int test() {
return read_member(obj);
}
// CHECK-LABEL: define linkonce_odr i32 @_ZN5test211read_memberINS_1AEEEDtptcvPT_Li0E6memberERS2_(
}
// rdar://problem/9280586
namespace test3 {
struct AmbiguousBase { int ab; };
struct Path1 : AmbiguousBase { float p; };
struct Path2 : AmbiguousBase { double p; };
struct Derived : Path1, Path2 { };
// CHECK-LABEL: define linkonce_odr i32 @_ZN5test38get_ab_1INS_7DerivedEEEDtptcvPT_Li0Esr5Path1E2abERS2_(
template <class T> decltype(((T*) 0)->Path1::ab) get_ab_1(T &ref) { return ref.Path1::ab; }
// CHECK-LABEL: define linkonce_odr i32 @_ZN5test38get_ab_2INS_7DerivedEEEDtptcvPT_Li0Esr5Path2E2abERS2_(
template <class T> decltype(((T*) 0)->Path2::ab) get_ab_2(T &ref) { return ref.Path2::ab; }
// CHECK-LABEL: define linkonce_odr float @_ZN5test37get_p_1INS_7DerivedEEEDtptcvPT_Li0Esr5Path1E1pERS2_(
template <class T> decltype(((T*) 0)->Path1::p) get_p_1(T &ref) { return ref.Path1::p; }
// CHECK-LABEL: define linkonce_odr double @_ZN5test37get_p_2INS_7DerivedEEEDtptcvPT_Li0Esr5Path2E1pERS2_(
template <class T> decltype(((T*) 0)->Path2::p) get_p_2(T &ref) { return ref.Path2::p; }
Derived obj;
void test() {
get_ab_1(obj);
get_ab_2(obj);
get_p_1(obj);
get_p_2(obj);
}
}
// CHECK-LABEL: define void @_ZN5test41gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
namespace test4 {
struct foo { int bar; };
template <int (foo::*)>
struct zed {};
void g(zed<&foo::bar>*)
{}
}
// CHECK-LABEL: define void @_ZN5test51gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
namespace test5 {
struct foo { static int bar; };
template <int *>
struct zed {};
void g(zed<&foo::bar>*)
{}
}
// CHECK-LABEL: define void @_ZN5test61gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
namespace test6 {
struct foo { int bar(); };
template <int (foo::*)()>
struct zed {};
void g(zed<&foo::bar>*)
{}
}
// CHECK-LABEL: define void @_ZN5test71gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
namespace test7 {
struct foo { static int bar(); };
template <int (*f)()>
struct zed {};
void g(zed<&foo::bar>*)
{}
}
// CHECK-LABEL: define weak_odr void @_ZN5test81AILZNS_1B5valueEEE3incEv
namespace test8 {
template <int &counter> class A { void inc() { counter++; } };
class B { public: static int value; };
template class A<B::value>;
}
// CHECK: declare void @_ZN5test91fIiNS_3barEEEvRKNT0_3baz1XE
namespace test9 {
template<class T>
struct foo {
typedef T X;
};
struct bar {
typedef foo<int> baz;
};
template <class zaz, class zed>
void f(const typename zed::baz::X&);
void g() {
f<int, bar>( 0);
}
}
// <rdar://problem/7825453>
namespace test10 {
template <char P1> struct S {};
template <char P2> void f(struct S<false ? 'a' : P2> ) {}
// CHECK-LABEL: define weak_odr void @_ZN6test101fILc3EEEvNS_1SIXquLb0ELc97ET_EEE(
template void f<(char) 3>(struct S<3>);
}
namespace test11 {
// CHECK: @_ZN6test111fEz
void f(...) { }
struct A {
void f(...);
};
// CHECK: @_ZN6test111A1fEz
void A::f(...) { }
}
namespace test12 {
// CHECK: _ZN6test121fENS_1AILt33000EEE
template <unsigned short> struct A { };
void f(A<33000>) { }
}
// PR7446
namespace test13 {
template <template <class> class T> class A {};
template <class U> class B {};
template <template<class> class T> void foo(const A<T> &a) {}
// CHECK-LABEL: define weak_odr void @_ZN6test133fooINS_1BEEEvRKNS_1AIT_EE(
template void foo(const A<B> &a);
}
namespace test14 {
extern "C" {
struct S {
static int a(), x;
};
// CHECK-LABEL: define i32 @_ZN6test141S1aEv
// CHECK: load i32* @_ZN6test141S1xE
int S::a() { return S::x; }
}
}
// rdar://problem/8204122
namespace test15 {
enum E { e = 3 };
template <int I> struct S {};
template <int I> void f(S<I + e>) {}
// CHECK-LABEL: define weak_odr void @_ZN6test151fILi7EEEvNS_1SIXplT_LNS_1EE3EEEE(
template void f<7>(S<7 + e>);
}
// rdar://problem/8302148
namespace test17 {
template <int N> struct A {};
struct B {
static int foo(void);
};
template <class T> A<sizeof(T::foo())> func(void);
// CHECK-LABEL: define void @_ZN6test174testEv()
// CHECK: call {{.*}} @_ZN6test174funcINS_1BEEENS_1AIXszclsrT_3fooEEEEv()
void test() {
func<B>();
}
}
// PR7891
namespace test18 {
struct A {
int operator+();
int operator-();
int operator*();
int operator&();
};
template <int (A::*)()> struct S {};
template <typename T> void f(S<&T::operator+>) {}
template void f<A>(S<&A::operator+>);
template <typename T> void f(S<&T::operator- >) {}
template void f<A>(S<&A::operator- >);
template <typename T> void f(S<&T::operator*>) {}
template void f<A>(S<&A::operator*>);
template <typename T> void f(S<&T::operator&>) {}
template void f<A>(S<&A::operator&>);
// CHECK-LABEL: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_plEEE
// CHECK-LABEL: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_miEEE
// CHECK-LABEL: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_mlEEE
// CHECK-LABEL: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_anEEE
}
// rdar://problem/8332117
namespace test19 {
struct A {
template <typename T> int f();
int operator+();
operator int();
template <typename T> int operator-();
};
template <int (A::*)()> struct S {};
template <typename T> void g (S<&T::template f<int> >) {}
template <typename T> void g (S<&T::operator+ >) {}
template <typename T> void g (S<&T::operator int>) {}
template <typename T> void g (S<&T::template operator- <double> >) {}
// CHECK-LABEL: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_1fIiEEEE(
template void g<A>(S<&A::f<int> >);
// CHECK-LABEL: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_plEEE(
template void g<A>(S<&A::operator+>);
// CHECK-LABEL: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_cviEEE(
template void g<A>(S<&A::operator int>);
// CHECK-LABEL: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_miIdEEEE(
template void g<A>(S<&A::operator-<double> >);
}
namespace test20 {
template <class T> T *f(const T&);
template <class T> T *f(T*);
// CHECK-LABEL: define weak_odr void @_ZN6test205test0IiEEvDTcl1fIPT_ELi0EEE(
template <class T> void test0(decltype(f<T*>(0))) {}
template void test0<int>(decltype(f<int*>(0)));
// CHECK-LABEL: define weak_odr void @_ZN6test205test1IiEEvDTcl1fIEcvT__EEE(
template <class T> void test1(decltype(f<>(T()))) {}
template void test1<int>(decltype(f<>(int())));
}
// rdar:// 8620510
namespace test21 {
// CHECK-LABEL: define void @_ZN6test2112vla_arg_funcEiPA_i(
void vla_arg_func(int X, int a[X][X]) {}
}
namespace test22 {
// CHECK-LABEL: define void @_ZN6test221fEDn(
void f(decltype(nullptr)) { }
}
// rdar://problem/8913416
namespace test23 {
typedef void * const vpc;
// CHECK-LABEL: define void @_ZN6test231fERA10_KPv(
void f(vpc (&)[10]) {}
typedef vpc vpca5[5];
void f(vpca5 volatile (&)[10]) {}
// CHECK-LABEL: define void @_ZN6test231fERA10_A5_VKPv(
}
namespace test24 {
void test0() {
extern int foo();
// CHECK: call i32 @_ZN6test243fooEv()
foo();
}
static char bar() {}
void test1() {
// CHECK: call signext i8 @_ZN6test24L3barEv()
bar();
}
}
// rdar://problem/8806641
namespace test25 {
template <void (*fn)()> struct A {
static void call() { fn(); }
};
void foo();
void test() {
// CHECK: call void @_ZN6test251AIXadL_ZNS_3fooEvEEE4callEv()
A<foo>::call();
}
}
namespace test26 {
template <template <class> class T> void foo(decltype(T<float>::object) &object) {}
template <class T> struct holder { static T object; };
void test() {
float f;
// CHECK: call void @_ZN6test263fooINS_6holderEEEvRDtsrT_IfE6objectE(
foo<holder>(f);
}
}
namespace test27 {
struct A {
struct inner {
float object;
};
float meth();
};
typedef A Alias;
template <class T> void a(decltype(T::inner::object) &object) {}
template <class T> void b(decltype(T().Alias::meth()) &object) {}
void test() {
float f;
// CHECK: call void @_ZN6test271aINS_1AEEEvRDtsrNT_5innerE6objectE(
a<A>(f);
// CHECK: call void @_ZN6test271bINS_1AEEEvRDTcldtcvT__Esr5AliasE4methEE(
b<A>(f);
}
}
// An injected class name type in a unresolved-name.
namespace test28 {
template <class T> struct A {
enum { bit };
};
template <class T> void foo(decltype(A<T>::A::bit) x);
void test() {
foo<char>(A<char>::bit);
// CHECK: call void @_ZN6test283fooIcEEvDtsr1AIT_E1AE3bitE(
}
}
// An enclosing template type parameter in an unresolved-name.
namespace test29 {
template <class T> struct A {
template <class U> static void foo(decltype(T::fn(U())) x);
};
struct B { static int fn(int); static long fn(long); };
void test() {
A<B>::foo<int>(0);
// CHECK: call void @_ZN6test291AINS_1BEE3fooIiEEvDTclsrS1_2fncvT__EEE(
}
}
// An enclosing template template parameter in an unresolved-name.
namespace test30 {
template <template <class> class T> struct A {
template <class U> static void foo(decltype(T<U>::fn()) x);
};
template <class T> struct B { static T fn(); };
void test() {
A<B>::foo<int>(0);
// CHECK: call void @_ZN6test301AINS_1BEE3fooIiEEvDTclsrS1_IT_EE2fnEE(
}
}
namespace test31 { // instantiation-dependent mangling of decltype
int x;
template<class T> auto f1(T p)->decltype(x) { return 0; }
// The return type in the mangling of the template signature
// is encoded as "i".
template<class T> auto f2(T p)->decltype(p) { return 0; }
// The return type in the mangling of the template signature
// is encoded as "Dtfp_E".
void g(int);
template<class T> auto f3(T p)->decltype(g(p)) {}
// CHECK-LABEL: define weak_odr i32 @_ZN6test312f1IiEEiT_(
template int f1(int);
// CHECK-LABEL: define weak_odr i32 @_ZN6test312f2IiEEDtfp_ET_
template int f2(int);
// CHECK-LABEL: define weak_odr void @_ZN6test312f3IiEEDTcl1gfp_EET_
template void f3(int);
}
// PR10205
namespace test32 {
template<typename T, int=T::value> struct A {
typedef int type;
};
struct B { enum { value = 4 }; };
template <class T> typename A<T>::type foo() { return 0; }
void test() {
foo<B>();
// CHECK: call i32 @_ZN6test323fooINS_1BEEENS_1AIT_XsrS3_5valueEE4typeEv()
}
}
namespace test33 {
template <class T> struct X {
enum { value = T::value };
};
template<typename T, int=X<T>::value> struct A {
typedef int type;
};
struct B { enum { value = 4 }; };
template <class T> typename A<T>::type foo() { return 0; }
void test() {
foo<B>();
// CHECK: call i32 @_ZN6test333fooINS_1BEEENS_1AIT_Xsr1XIS3_EE5valueEE4typeEv()
}
}
namespace test34 {
// Mangling for instantiation-dependent decltype expressions.
template<typename T>
void f(decltype(sizeof(decltype(T() + T())))) {}
// CHECK-LABEL: define weak_odr void @_ZN6test341fIiEEvDTstDTplcvT__EcvS1__EEE
template void f<int>(decltype(sizeof(1)));
// Mangling for non-instantiation-dependent sizeof expressions.
template<unsigned N>
void f2(int (&)[N + sizeof(int*)]) {}
// CHECK-LABEL: define weak_odr void @_ZN6test342f2ILj4EEEvRAplT_Lm8E_i
template void f2<4>(int (&)[4 + sizeof(int*)]);
// Mangling for non-instantiation-dependent sizeof expressions
// involving an implicit conversion of the result of the sizeof.
template<unsigned long long N>
void f3(int (&)[N + sizeof(int*)]) {}
// CHECK-LABEL: define weak_odr void @_ZN6test342f3ILy4EEEvRAplT_Ly8E_i
template void f3<4>(int (&)[4 + sizeof(int*)]);
// Mangling for instantiation-dependent sizeof() expressions as
// template arguments.
template<unsigned> struct A { };
template<typename T> void f4(::test34::A<sizeof(sizeof(decltype(T() + T())))>) { }
// CHECK-LABEL: define weak_odr void @_ZN6test342f4IiEEvNS_1AIXszstDTplcvT__EcvS2__EEEEE
template void f4<int>(A<sizeof(sizeof(int))>);
}
namespace test35 {
// Dependent operator names of unknown arity.
struct A {
template<typename U> A operator+(U) const;
};
template<typename T>
void f1(decltype(sizeof(&T::template operator+<int>))) {}
// CHECK-LABEL: define weak_odr void @_ZN6test352f1INS_1AEEEvDTszadsrT_plIiEE
template void f1<A>(__SIZE_TYPE__);
}
namespace test36 {
template<unsigned> struct A { };
template<typename ...Types>
auto f1(Types... values) -> A<sizeof...(values)> { }
// CHECK: define weak_odr {{.*}} @_ZN6test362f1IJifEEENS_1AIXsZfp_EEEDpT_
template A<2> f1(int, float);
}
namespace test37 {
struct foo {
struct {
} a;
typedef struct { } b;
typedef struct { } *c;
struct {
} d;
};
template<typename T> void func(T) { }
void test() {
// CHECK-LABEL: define linkonce_odr void @_ZN6test374funcINS_3fooUt_EEEvT_
func(foo().a);
// CHECK-LABEL: define linkonce_odr void @_ZN6test374funcINS_3fooUt0_EEEvT_
func(*foo::c());
// CHECK-LABEL: define linkonce_odr void @_ZN6test374funcINS_3fooUt1_EEEvT_
func(foo().d);
}
}
// CHECK-LABEL: define void @_Z6ASfuncPU3AS3i
void ASfunc(__attribute__((address_space(3))) int* x) {}
namespace test38 {
// CHECK-LABEL: define linkonce_odr void @_ZN6test384funcINS_3fooUt_EEEvT_
typedef struct {
struct {
} a;
} foo;
template <typename T> void func(T) {}
void test() { func(foo().a); }
}
namespace test39 {
// CHECK-LABEL: define internal void @"_ZN6test394funcINS_3$_03$_1EEEvT_"
typedef struct {
struct {} a;
} *foo;
template<typename T> void func(T) {}
void test(foo x) {
func(x->a);
}
}
namespace test40 {
// CHECK: i32* {{.*}} @_ZZN6test401fEvE1a_0
void h(int&);
inline void f() {
if (0) {
static int a;
}
static int a;
h(a);
};
void g() { f(); }
}
namespace test41 {
// CHECK: define linkonce_odr void @_ZN6test414funcINS_1XEEEvNS_3fooILi20ES1_EE
template <int i, class T> struct foo {
template <class T2 = T> friend void func(foo x) {}
};
struct X {};
void g() { func(foo<20, X>()); }
}
namespace test42 {
// CHECK: define linkonce_odr void @_ZN6test424funcINS_1XEEEvNS_3fooILi20ES1_EE
template <int i, template <class> class T> struct foo {
template <template <class> class T2 = T> friend void func(foo x) {}
};
template <class V> struct X {
};
void g() { func(foo<20, X>()); }
}
namespace test43 {
// CHECK-LABEL: define void @_ZN6test431gEPNS_3zedIXadL_ZNS_3fooUt_3barEEEEE
struct foo { union { int bar; }; };
template <int (foo::*)>
struct zed {};
void g(zed<&foo::bar>*)
{}
}
namespace test44 {
struct foo { void bar() __restrict { }; } obj;
void f() {
obj.bar();
}
// CHECK-LABEL: define linkonce_odr void @_ZN6test443foo3barEv(%"struct.test44::foo"* %this)
}
namespace test45 {
struct S {
enum e {};
};
template <typename T>
void f(enum T::e *) {}
template void f<S>(S::e *);
// CHECK-LABEL: define weak_odr void @_ZN6test451fINS_1SEEEvPTeNT_1eE(i32*)
}
namespace test46 {
struct S {
struct s {};
};
template <typename T>
void f(struct T::s *) {}
template void f<S>(S::s *);
// CHECK-LABEL: define weak_odr void @_ZN6test461fINS_1SEEEvPTsNT_1sE(%"struct.test46::S::s"*)
}
namespace test47 {
struct S {
class c {};
};
template <typename T>
void f(class T::c *) {}
template void f<S>(S::c *);
// CHECK-LABEL: define weak_odr void @_ZN6test471fINS_1SEEEvPTsNT_1cE(%"class.test47::S::c"*)
}
namespace test48 {
struct S {
union u {};
};
template <typename T>
void f(union T::u *) {}
template void f<S>(S::u *);
// CHECK-LABEL: define weak_odr void @_ZN6test481fINS_1SEEEvPTuNT_1uE(%"union.test48::S::u"*)
}
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