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// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
namespace test1 {
int x;
template <int& D> class T { };
// CHECK: void @_ZN5test12f0ENS_1TILZNS_1xEEEE(
void f0(T<x> a0) {}
}
namespace test1 {
// CHECK: void @_ZN5test12f0Ef
void f0(float) {}
template<void (&)(float)> struct t1 {};
// CHECK: void @_ZN5test12f1ENS_2t1ILZNS_2f0EfEEE(
void f1(t1<f0> a0) {}
}
namespace test2 {
// CHECK: void @_ZN5test22f0Ef
void f0(float) {}
template<void (*)(float)> struct t1 {};
// FIXME: Fails because we don't treat as an expression.
// CHECK-FIXME: void @_ZN5test22f1ENS_2t1IXadL_ZNS_2f0EfEEEE(
void f1(t1<f0> a0) {}
}
namespace test3 {
// CHECK: void @test3_f0
extern "C" void test3_f0(float) {}
template<void (&)(float)> struct t1 {};
// FIXME: Fails because we tack on a namespace.
// CHECK-FIXME: void @_ZN5test32f1ENS_2t1ILZ8test3_f0EEE(
void f1(t1<test3_f0> a0) {}
}
namespace test4 {
// CHECK: void @test4_f0
extern "C" void test4_f0(float) {}
template<void (*)(float)> struct t1 {};
// FIXME: Fails because we don't treat as an expression.
// CHECK-FIXME: void @_ZN5test42f1ENS_2t1IXadL_Z8test4_f0EEEE(
void f1(t1<test4_f0> a0) {}
}
// CHECK: void @test5_f0
extern "C" void test5_f0(float) {}
int main(int) {}
namespace test5 {
template<void (&)(float)> struct t1 {};
// CHECK: void @_ZN5test52f1ENS_2t1ILZ8test5_f0EEE(
void f1(t1<test5_f0> a0) {}
template<int (&)(int)> struct t2 {};
// CHECK: void @_ZN5test52f2ENS_2t2ILZ4mainEEE
void f2(t2<main> a0) {}
}
// FIXME: This fails.
namespace test6 {
struct A { void im0(float); };
// CHECK: void @_ZN5test61A3im0Ef
void A::im0(float) {}
template <void(A::*)(float)> class T { };
// FIXME: Fails because we don't treat as an expression.
// CHECK-FAIL: void @_ZN5test62f0ENS_1TIXadL_ZNS_1A3im0EfEEEE(
void f0(T<&A::im0> a0) {}
}
namespace test7 {
template<typename T>
struct meta {
static const unsigned value = sizeof(T);
};
template<unsigned> struct int_c {
typedef float type;
};
template<typename T>
struct X {
template<typename U>
X(U*, typename int_c<(meta<T>::value + meta<U>::value)>::type *) { }
};
// CHECK: define weak_odr {{.*}} @_ZN5test71XIiEC1IdEEPT_PNS_5int_cIXplL_ZNS_4metaIiE5valueEEsr4metaIS3_EE5valueEE4typeE(
template X<int>::X(double*, float*);
}
namespace test8 {
template<typename T>
struct meta {
struct type {
static const unsigned value = sizeof(T);
};
};
template<unsigned> struct int_c {
typedef float type;
};
template<typename T>
void f(int_c<meta<T>::type::value>) { }
// CHECK-LABEL: define weak_odr void @_ZN5test81fIiEEvNS_5int_cIXsr4metaIT_E4typeE5valueEEE(
template void f<int>(int_c<sizeof(int)>);
}
namespace test9 {
template<typename T>
struct supermeta {
template<typename U>
struct apply {
typedef T U::*type;
};
};
struct X { };
template<typename T, typename U>
typename supermeta<T>::template apply<U>::type f();
void test_f() {
// CHECK: @_ZN5test91fIiNS_1XEEENS_9supermetaIT_E5applyIT0_E4typeEv()
// Note: GCC incorrectly mangles this as
// _ZN5test91fIiNS_1XEEENS_9supermetaIT_E5apply4typeEv, while EDG
// gets it right.
f<int, X>();
}
}
namespace test10 {
template<typename T>
struct X {
template<typename U>
struct definition {
};
};
// CHECK: _ZN6test101fIidEENS_1XIT_E10definitionIT0_EES2_S5_
template<typename T, typename U>
typename X<T>::template definition<U> f(T, U) { }
void g(int i, double d) {
f(i, d);
}
}
// Report from Jason Merrill on cxx-abi-dev, 2012.01.04.
namespace test11 {
int cmp(char a, char b);
template <typename T, int (*cmp)(T, T)> struct A {};
template <typename T> void f(A<T,cmp> &) {}
template void f<char>(A<char,cmp> &);
// CHECK: @_ZN6test111fIcEEvRNS_1AIT_L_ZNS_3cmpEccEEE(
}
namespace test12 {
// Make sure we can mangle non-type template args with internal linkage.
static int f();
const int n = 10;
template<typename T, T v> void test() {}
void use() {
// CHECK-LABEL: define internal void @_ZN6test124testIFivEXadL_ZNS_L1fEvEEEEvv(
test<int(), &f>();
// CHECK-LABEL: define internal void @_ZN6test124testIRFivELZNS_L1fEvEEEvv(
test<int(&)(), f>();
// CHECK-LABEL: define internal void @_ZN6test124testIPKiXadL_ZNS_L1nEEEEEvv(
test<const int*, &n>();
// CHECK-LABEL: define internal void @_ZN6test124testIRKiLZNS_L1nEEEEvv(
test<const int&, n>();
}
}
// rdar://problem/12072531
// Test the boundary condition of minimal signed integers.
namespace test13 {
template <char c> char returnChar() { return c; }
template char returnChar<-128>();
// CHECK: @_ZN6test1310returnCharILcn128EEEcv()
template <short s> short returnShort() { return s; }
template short returnShort<-32768>();
// CHECK: @_ZN6test1311returnShortILsn32768EEEsv()
}
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