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-rw-r--r--clang/test/CodeGenCXX/mangle.cpp854
1 files changed, 854 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/mangle.cpp b/clang/test/CodeGenCXX/mangle.cpp
new file mode 100644
index 0000000..ba1b3bf
--- /dev/null
+++ b/clang/test/CodeGenCXX/mangle.cpp
@@ -0,0 +1,854 @@
+// 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_i = internal global
+
+// CHECK: define zeroext i1 @_ZplRK1YRA100_P1X
+bool operator+(const Y&, X* (&xs)[100]) { return false; }
+
+// CHECK: define void @_Z1f1s
+typedef struct { int a; } s;
+void f(s) { }
+
+// CHECK: define void @_Z1f1e
+typedef enum { foo } e;
+void f(e) { }
+
+// CHECK: define void @_Z1f1u
+typedef union { int a; } u;
+void f(u) { }
+
+// CHECK: define void @_Z1f1x
+typedef struct { int a; } x,y;
+void f(y) { }
+
+// CHECK: define void @_Z1fv
+void f() { }
+
+// CHECK: define void @_ZN1N1fEv
+namespace N { void f() { } }
+
+// CHECK: define void @_ZN1N1N1fEv
+namespace N { namespace N { void f() { } } }
+
+// CHECK: 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: define void @_Z1fno
+void f(__int128_t, __uint128_t) { }
+
+template <typename T> struct S1 {};
+
+// CHECK: define void @_Z1f2S1IiE
+void f(S1<int>) {}
+
+// CHECK: define void @_Z1f2S1IdE
+void f(S1<double>) {}
+
+template <int N> struct S2 {};
+// CHECK: define void @_Z1f2S2ILi100EE
+void f(S2<100>) {}
+
+// CHECK: define void @_Z1f2S2ILin100EE
+void f(S2<-100>) {}
+
+template <bool B> struct S3 {};
+
+// CHECK: define void @_Z1f2S3ILb1EE
+void f(S3<true>) {}
+
+// CHECK: define void @_Z1f2S3ILb0EE
+void f(S3<false>) {}
+
+struct S;
+
+// CHECK: define void @_Z1fM1SKFvvE
+void f(void (S::*)() const) {}
+
+// CHECK: define void @_Z1fM1SFvvE
+void f(void (S::*)()) {}
+
+// CHECK: 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: @_ZN2S7C1Ev
+// CHECK: @_ZN2S7C2Ev
+// CHECK: @"_ZN2S73$_0C1Ev"
+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: 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: define weak_odr void @_ZN11Expressions2f1ILi1EEEvPAplngT_Li2E_i
+template <int i> void f1(int (*)[(-i) + 2]) { };
+template void f1<1>(int (*)[1]);
+
+// CHECK: define weak_odr void @_ZN11Expressions2f2ILi1EEEvPApsT__i
+template <int i> void f2(int (*)[+i]) { };
+template void f2<1>(int (*)[1]);
+
+// Binary operators.
+
+// CHECK: define weak_odr void @_ZN11Expressions2f3ILi1EEEvPAplT_T__i
+template <int i> void f3(int (*)[i+i]) { };
+template void f3<1>(int (*)[2]);
+
+// CHECK: 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: 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: define %struct.Ops* @_ZN3OpsplERKS_
+Ops& Ops::operator+(const Ops&) { return *this; }
+// CHECK: define %struct.Ops* @_ZN3OpsmiERKS_
+Ops& Ops::operator-(const Ops&) { return *this; }
+// CHECK: define %struct.Ops* @_ZN3OpsanERKS_
+Ops& Ops::operator&(const Ops&) { return *this; }
+// CHECK: define %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: define weak_odr i8* @_ZN6PR58615AllocIcNS_6PolicyINS_1PELb1EEEE8allocateEiPKv
+template class Alloc<char>;
+}
+
+// CHECK: define void @_Z1fU13block_pointerFiiiE
+void f(int (^)(int, int)) { }
+
+void pr5966_foo() {
+ extern int pr5966_i;
+ pr5966_i = 0;
+}
+
+static int pr5966_i;
+
+void pr5966_bar() {
+ pr5966_i = 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: define void @_ZN5test05test0Ev()
+ // CHECK: define linkonce_odr void @_ZN5test01fIdEEvT_RAszcl3ovlcvS1__EE_c(
+
+ void test1() {
+ char buffer[sizeof(int)];
+ f(1, buffer);
+ }
+ // CHECK: define void @_ZN5test05test1Ev()
+ // CHECK: 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: 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: 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: 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: 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: define weak_odr void @_ZN5test11fINS_1XEiEEvT_IT0_E
+ template void f(X<int>);
+}
+
+// CHECK: 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: 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: 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: 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: 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: 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: define void @_ZN5test41gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
+namespace test4 {
+ struct foo { int bar; };
+ template <int (foo::*)>
+ struct zed {};
+ void g(zed<&foo::bar>*)
+ {}
+}
+// CHECK: define void @_ZN5test51gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
+namespace test5 {
+ struct foo { static int bar; };
+ template <int *>
+ struct zed {};
+ void g(zed<&foo::bar>*)
+ {}
+}
+// CHECK: define void @_ZN5test61gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
+namespace test6 {
+ struct foo { int bar(); };
+ template <int (foo::*)()>
+ struct zed {};
+ void g(zed<&foo::bar>*)
+ {}
+}
+// CHECK: define void @_ZN5test71gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
+namespace test7 {
+ struct foo { static int bar(); };
+ template <int (*f)()>
+ struct zed {};
+ void g(zed<&foo::bar>*)
+ {}
+}
+// CHECK: 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: 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: 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: 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: 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: 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: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_plEEE
+ // CHECK: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_miEEE
+ // CHECK: define weak_odr void @_ZN6test181fINS_1AEEEvNS_1SIXadsrT_mlEEE
+ // CHECK: 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: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_1fIiEEEE(
+ template void g<A>(S<&A::f<int> >);
+ // CHECK: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_plEEE(
+ template void g<A>(S<&A::operator+>);
+ // CHECK: define weak_odr void @_ZN6test191gINS_1AEEEvNS_1SIXadsrT_cviEEE(
+ template void g<A>(S<&A::operator int>);
+ // CHECK: 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: define weak_odr void @_ZN6test205test0IiEEvDTcl1fIPT_ELi0EEE(
+ template <class T> void test0(decltype(f<T*>(0))) {}
+ template void test0<int>(decltype(f<int*>(0)));
+
+ // CHECK: 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: define void @_ZN6test2112vla_arg_funcEiPA_i(
+ void vla_arg_func(int X, int a[X][X]) {}
+}
+
+namespace test22 {
+ // CHECK: define void @_ZN6test221fEDn(
+ void f(decltype(nullptr)) { }
+}
+
+// rdar://problem/8913416
+namespace test23 {
+ typedef void * const vpc;
+
+ // CHECK: define void @_ZN6test231fERA10_KPv(
+ void f(vpc (&)[10]) {}
+
+ typedef vpc vpca5[5];
+ void f(vpca5 volatile (&)[10]) {}
+ // CHECK: define void @_ZN6test231fERA10_A5_VKPv(
+}
+
+namespace test24 {
+ void test0() {
+ extern int foo();
+ // CHECK: call i32 @_ZN6test243fooEv()
+ foo();
+ }
+
+ static char foo() {}
+ void test1() {
+ // CHECK: call signext i8 @_ZN6test24L3fooEv()
+ foo();
+ }
+}
+
+// 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: define weak_odr i32 @_ZN6test312f1IiEEiT_(
+ template int f1(int);
+ // CHECK: define weak_odr i32 @_ZN6test312f2IiEEDtfp_ET_
+ template int f2(int);
+ // CHECK: 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: 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: 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: 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: 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: 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);
+}
generated by cgit v1.2.3 (git 2.46.2) at 2024-11-10 06:00:24 +0000