f8340deacd
linkage specification. Not sure if this is the ideal fix, but I'm reasonably sure it's correct vs. gcc. llvm-svn: 108656
521 lines
12 KiB
C++
521 lines
12 KiB
C++
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -fblocks -std=c++0x | FileCheck %s
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struct X { };
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struct Y { };
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// CHECK: @unmangled_variable = global
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// CHECK: @_ZN1N1iE = global
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// CHECK: @_ZZN1N1fEiiE1b = internal global
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// CHECK: @_ZZN1N1gEvE1a = internal global
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// CHECK: @_ZGVZN1N1gEvE1a = internal global
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//CHECK: @pr5966_i = external global
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//CHECK: @_ZL8pr5966_i = internal global
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// CHECK: define zeroext i1 @_ZplRK1YRA100_P1X
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bool operator+(const Y&, X* (&xs)[100]) { return false; }
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// CHECK: define void @_Z1f1s
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typedef struct { int a; } s;
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void f(s) { }
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// CHECK: define void @_Z1f1e
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typedef enum { foo } e;
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void f(e) { }
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// CHECK: define void @_Z1f1u
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typedef union { int a; } u;
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void f(u) { }
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// CHECK: define void @_Z1f1x
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typedef struct { int a; } x,y;
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void f(y) { }
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// CHECK: define void @_Z1fv
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void f() { }
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// CHECK: define void @_ZN1N1fEv
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namespace N { void f() { } }
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// CHECK: define void @_ZN1N1N1fEv
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namespace N { namespace N { void f() { } } }
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// CHECK: define void @unmangled_function
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extern "C" { namespace N { void unmangled_function() { } } }
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extern "C" { namespace N { int unmangled_variable = 10; } }
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namespace N { int i; }
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namespace N { int f(int, int) { static int b; return b; } }
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namespace N { int h(); void g() { static int a = h(); } }
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// CHECK: define void @_Z1fno
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void f(__int128_t, __uint128_t) { }
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template <typename T> struct S1 {};
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// CHECK: define void @_Z1f2S1IiE
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void f(S1<int>) {}
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// CHECK: define void @_Z1f2S1IdE
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void f(S1<double>) {}
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template <int N> struct S2 {};
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// CHECK: define void @_Z1f2S2ILi100EE
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void f(S2<100>) {}
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// CHECK: define void @_Z1f2S2ILin100EE
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void f(S2<-100>) {}
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template <bool B> struct S3 {};
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// CHECK: define void @_Z1f2S3ILb1EE
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void f(S3<true>) {}
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// CHECK: define void @_Z1f2S3ILb0EE
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void f(S3<false>) {}
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// CHECK: define void @_Z2f22S3ILb1EE
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void f2(S3<100>) {}
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struct S;
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// CHECK: define void @_Z1fM1SKFvvE
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void f(void (S::*)() const) {}
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// CHECK: define void @_Z1fM1SFvvE
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void f(void (S::*)()) {}
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// CHECK: define void @_Z1fi
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void f(const int) { }
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template<typename T, typename U> void ft1(U u, T t) { }
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template<typename T> void ft2(T t, void (*)(T), void (*)(T)) { }
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template<typename T, typename U = S1<T> > struct S4 { };
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template<typename T> void ft3(S4<T>*) { }
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namespace NS {
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template<typename T> void ft1(T) { }
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}
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void g1() {
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// CHECK: @_Z3ft1IidEvT0_T_
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ft1<int, double>(1, 0);
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// CHECK: @_Z3ft2IcEvT_PFvS0_ES2_
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ft2<char>(1, 0, 0);
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// CHECK: @_Z3ft3IiEvP2S4IT_2S1IS1_EE
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ft3<int>(0);
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// CHECK: @_ZN2NS3ft1IiEEvT_
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NS::ft1<int>(1);
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}
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// Expressions
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template<int I> struct S5 { };
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template<int I> void ft4(S5<I>) { }
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void g2() {
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// CHECK: @_Z3ft4ILi10EEv2S5IXT_EE
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ft4(S5<10>());
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// CHECK: @_Z3ft4ILi20EEv2S5IXT_EE
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ft4(S5<20>());
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}
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extern "C++" {
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// CHECK: @_Z1hv
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void h() { }
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}
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// PR5019
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extern "C" { struct a { int b; }; }
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// CHECK: @_Z1fP1a
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int f(struct a *x) {
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return x->b;
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}
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// PR5017
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extern "C" {
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struct Debug {
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const Debug& operator<< (unsigned a) const { return *this; }
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};
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Debug dbg;
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// CHECK: @_ZNK5DebuglsEj
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int main(void) { dbg << 32 ;}
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}
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template<typename T> struct S6 {
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typedef int B;
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};
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template<typename T> void ft5(typename S6<T>::B) { }
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// CHECK: @_Z3ft5IiEvN2S6IT_E1BE
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template void ft5<int>(int);
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template<typename T> class A {};
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namespace NS {
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template<typename T> bool operator==(const A<T>&, const A<T>&) { return true; }
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}
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// CHECK: @_ZN2NSeqIcEEbRK1AIT_ES5_
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template bool NS::operator==(const ::A<char>&, const ::A<char>&);
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namespace std {
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template<typename T> bool operator==(const A<T>&, const A<T>&) { return true; }
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}
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// CHECK: @_ZSteqIcEbRK1AIT_ES4_
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template bool std::operator==(const ::A<char>&, const ::A<char>&);
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struct S {
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typedef int U;
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};
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template <typename T> typename T::U ft6(const T&) { return 0; }
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// CHECK: @_Z3ft6I1SENT_1UERKS1_
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template int ft6<S>(const S&);
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template<typename> struct __is_scalar {
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enum { __value = 1 };
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};
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template<bool, typename> struct __enable_if { };
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template<typename T> struct __enable_if<true, T> {
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typedef T __type;
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};
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// PR5063
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template<typename T> typename __enable_if<__is_scalar<T>::__value, void>::__type ft7() { }
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// CHECK: @_Z3ft7IiEN11__enable_ifIXsr11__is_scalarIT_E7__valueEvE6__typeEv
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template void ft7<int>();
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// CHECK: @_Z3ft7IPvEN11__enable_ifIXsr11__is_scalarIT_E7__valueEvE6__typeEv
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template void ft7<void*>();
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// PR5144
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extern "C" {
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void extern_f(void);
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};
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// CHECK: @extern_f
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void extern_f(void) { }
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struct S7 {
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S7();
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struct S { S(); };
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struct {
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S s;
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} a;
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};
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// PR5139
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// CHECK: @_ZN2S7C1Ev
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// CHECK: @_ZN2S7C2Ev
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// CHECK: @"_ZN2S73$_0C1Ev"
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S7::S7() {}
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// PR5063
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template<typename T> typename __enable_if<(__is_scalar<T>::__value), void>::__type ft8() { }
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// CHECK: @_Z3ft8IiEN11__enable_ifIXsr11__is_scalarIT_E7__valueEvE6__typeEv
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template void ft8<int>();
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// CHECK: @_Z3ft8IPvEN11__enable_ifIXsr11__is_scalarIT_E7__valueEvE6__typeEv
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template void ft8<void*>();
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// PR5796
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namespace PR5796 {
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template<typename> struct __is_scalar {
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enum { __value = 0 };
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};
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template<bool, typename> struct __enable_if {};
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template<typename T> struct __enable_if<true, T> { typedef T __type; };
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template<typename T>
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// CHECK: define linkonce_odr void @_ZN6PR57968__fill_aIiEENS_11__enable_ifIXntsrNS_11__is_scalarIT_EE7__valueEvE6__typeEv
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typename __enable_if<!__is_scalar<T>::__value, void>::__type __fill_a() { };
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void f() { __fill_a<int>(); }
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}
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namespace Expressions {
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// Unary operators.
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// CHECK: define weak_odr void @_ZN11Expressions2f1ILi1EEEvPAplngT_Li2E_i
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template <int i> void f1(int (*)[(-i) + 2]) { };
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template void f1<1>(int (*)[1]);
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// CHECK: define weak_odr void @_ZN11Expressions2f2ILi1EEEvPApsT__i
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template <int i> void f2(int (*)[+i]) { };
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template void f2<1>(int (*)[1]);
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// Binary operators.
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// CHECK: define weak_odr void @_ZN11Expressions2f3ILi1EEEvPAplT_T__i
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template <int i> void f3(int (*)[i+i]) { };
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template void f3<1>(int (*)[2]);
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// CHECK: define weak_odr void @_ZN11Expressions2f4ILi1EEEvPAplplLi2ET_T__i
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template <int i> void f4(int (*)[2 + i+i]) { };
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template void f4<1>(int (*)[4]);
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// The ternary operator.
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// CHECK: define weak_odr void @_ZN11Expressions2f4ILb1EEEvPAquT_Li1ELi2E_i
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template <bool b> void f4(int (*)[b ? 1 : 2]) { };
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template void f4<true>(int (*)[1]);
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}
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struct Ops {
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Ops& operator+(const Ops&);
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Ops& operator-(const Ops&);
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Ops& operator&(const Ops&);
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Ops& operator*(const Ops&);
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void *v;
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};
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// CHECK: define %struct.Ops* @_ZN3OpsplERKS_
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Ops& Ops::operator+(const Ops&) { return *this; }
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// CHECK: define %struct.Ops* @_ZN3OpsmiERKS_
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Ops& Ops::operator-(const Ops&) { return *this; }
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// CHECK: define %struct.Ops* @_ZN3OpsanERKS_
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Ops& Ops::operator&(const Ops&) { return *this; }
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// CHECK: define %struct.Ops* @_ZN3OpsmlERKS_
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Ops& Ops::operator*(const Ops&) { return *this; }
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// PR5861
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namespace PR5861 {
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template<bool> class P;
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template<> class P<true> {};
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template<template <bool> class, bool>
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struct Policy { };
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template<typename T, typename = Policy<P, true> > class Alloc
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{
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T *allocate(int, const void*) { return 0; }
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};
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// CHECK: define weak_odr i8* @_ZN6PR58615AllocIcNS_6PolicyINS_1PELb1EEEE8allocateEiPKv
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template class Alloc<char>;
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}
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// CHECK: define void @_Z1fU13block_pointerFiiiE
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void f(int (^)(int, int)) { }
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void pr5966_foo() {
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extern int pr5966_i;
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pr5966_i = 0;
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}
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static int pr5966_i;
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void pr5966_bar() {
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pr5966_i = 0;
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}
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namespace test0 {
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int ovl(int x);
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char ovl(double x);
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template <class T> void f(T, char (&buffer)[sizeof(ovl(T()))]) {}
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void test0() {
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char buffer[1];
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f(0.0, buffer);
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}
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// CHECK: define void @_ZN5test05test0Ev()
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// CHECK: define linkonce_odr void @_ZN5test01fIdEEvT_RAszcl3ovlcvS1__EE_c(
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void test1() {
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char buffer[sizeof(int)];
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f(1, buffer);
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}
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// CHECK: define void @_ZN5test05test1Ev()
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// CHECK: define linkonce_odr void @_ZN5test01fIiEEvT_RAszcl3ovlcvS1__EE_c(
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template <class T> void g(char (&buffer)[sizeof(T() + 5.0f)]) {}
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void test2() {
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char buffer[sizeof(float)];
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g<float>(buffer);
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}
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// CHECK: define linkonce_odr void @_ZN5test01gIfEEvRAszplcvT__ELf40A00000E_c(
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template <class T> void h(char (&buffer)[sizeof(T() + 5.0)]) {}
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void test3() {
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char buffer[sizeof(double)];
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h<float>(buffer);
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}
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// CHECK: define linkonce_odr void @_ZN5test01hIfEEvRAszplcvT__ELd4014000000000000E_c(
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template <class T> void j(char (&buffer)[sizeof(T().buffer)]) {}
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struct A { double buffer[128]; };
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void test4() {
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char buffer[1024];
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j<A>(buffer);
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}
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// CHECK: define linkonce_odr void @_ZN5test01jINS_1AEEEvRAszdtcvT__E6buffer_c(
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}
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namespace test1 {
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template<typename T> struct X { };
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template<template<class> class Y, typename T> void f(Y<T>) { }
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// CHECK: define weak_odr void @_ZN5test11fINS_1XEiEEvT_IT0_E
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template void f(X<int>);
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}
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// CHECK: define internal void @_Z27functionWithInternalLinkagev()
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static void functionWithInternalLinkage() { }
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void g() { functionWithInternalLinkage(); }
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namespace test2 {
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template <class T> decltype(((T*) 0)->member) read_member(T& obj) {
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return obj.member;
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}
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struct A { int member; } obj;
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int test() {
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return read_member(obj);
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}
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// CHECK: define linkonce_odr i32 @_ZN5test211read_memberINS_1AEEEDtptcvPT_Li0E6memberERS2_(
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}
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namespace test3 {
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struct AmbiguousBase { int ab; };
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struct Path1 : AmbiguousBase { float p; };
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struct Path2 : AmbiguousBase { double p; };
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struct Derived : Path1, Path2 { };
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//template <class T> decltype(((T*) 0)->Path1::ab) get_ab_1(T &ref) { return ref.Path1::ab; }
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//template <class T> decltype(((T*) 0)->Path2::ab) get_ab_2(T &ref) { return ref.Path2::ab; }
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// define weak_odr float @_ZN5test37get_p_1INS_7DerivedEEEDtptcvPT_Li0E5Path11pERS2_(
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template <class T> decltype(((T*) 0)->Path1::p) get_p_1(T &ref) { return ref.Path1::p; }
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// define weak_odr double @_ZN5test37get_p_1INS_7DerivedEEEDtptcvPT_Li0E5Path21pERS2_(
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template <class T> decltype(((T*) 0)->Path2::p) get_p_2(T &ref) { return ref.Path2::p; }
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Derived obj;
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void test() {
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// FIXME: uncomment these when we support diamonds competently
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//get_ab_1(obj);
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//get_ab_2(obj);
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get_p_1(obj);
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get_p_2(obj);
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}
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}
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// CHECK: define void @_ZN5test41gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
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namespace test4 {
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struct foo { int bar; };
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template <int (foo::*)>
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struct zed {};
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void g(zed<&foo::bar>*)
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{}
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}
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// CHECK: define void @_ZN5test51gEPNS_3zedIXadL_ZNS_3foo3barEEEEE
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namespace test5 {
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struct foo { static int bar; };
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template <int *>
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struct zed {};
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void g(zed<&foo::bar>*)
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{}
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}
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// CHECK: define void @_ZN5test61gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
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namespace test6 {
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struct foo { int bar(); };
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template <int (foo::*)()>
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struct zed {};
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void g(zed<&foo::bar>*)
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{}
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}
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// CHECK: define void @_ZN5test71gEPNS_3zedIXadL_ZNS_3foo3barEvEEEE
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namespace test7 {
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struct foo { static int bar(); };
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template <int (*f)()>
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struct zed {};
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void g(zed<&foo::bar>*)
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{}
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}
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// CHECK: define weak_odr void @_ZN5test81AILZNS_1B5valueEEE3incEv
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namespace test8 {
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template <int &counter> class A { void inc() { counter++; } };
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class B { public: static int value; };
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template class A<B::value>;
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}
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// CHECK: declare void @_ZN5test91fIiNS_3barEEEvRKNT0_3baz1XE
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namespace test9 {
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template<class T>
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struct foo {
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typedef T X;
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};
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struct bar {
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typedef foo<int> baz;
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};
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template <class zaz, class zed>
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void f(const typename zed::baz::X&);
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void g() {
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f<int, bar>( 0);
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}
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}
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// <rdar://problem/7825453>
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namespace test10 {
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template <char P1> struct S {};
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template <char P2> void f(struct S<false ? 'a' : P2> ) {}
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// CHECK: define weak_odr void @_ZN6test101fILc3EEEvNS_1SIXquLb0ELc97ET_EEE(
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template void f<(char) 3>(struct S<3>);
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}
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namespace test11 {
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// CHECK: @_ZN6test111fEz
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void f(...) { }
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struct A {
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void f(...);
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};
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// CHECK: @_ZN6test111A1fEz
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void A::f(...) { }
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}
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namespace test12 {
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// CHECK: _ZN6test121fENS_1AILt33000EEE
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template <unsigned short> struct A { };
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void f(A<33000>) { }
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}
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// PR7446
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namespace test13 {
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template <template <class> class T> class A {};
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template <class U> class B {};
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template <template<class> class T> void foo(const A<T> &a) {}
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// CHECK: define weak_odr void @_ZN6test133fooINS_1BEEEvRKNS_1AIT_EE(
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template void foo(const A<B> &a);
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}
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namespace test14 {
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extern "C" {
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struct S {
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static int a(), x;
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};
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// CHECK: define i32 @_ZN6test141S1aEv
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// CHECK: load i32* @_ZN6test141S1xE
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int S::a() { return S::x; }
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}
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}
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