188 lines
6.3 KiB
C++
188 lines
6.3 KiB
C++
// Test this without pch.
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include %S/cxx-templates.h -verify %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include %S/cxx-templates.h %s -emit-llvm -o - -DNO_ERRORS | FileCheck %s
|
|
|
|
// Test with pch.
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -x c++-header -emit-pch -o %t %S/cxx-templates.h
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include-pch %t -verify %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include-pch %t %s -emit-llvm -o - -error-on-deserialized-decl doNotDeserialize -DNO_ERRORS | FileCheck %s
|
|
|
|
// Test with modules.
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -fmodules -x c++-header -emit-pch -o %t %S/cxx-templates.h
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -fmodules -include-pch %t -verify %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -fmodules -include-pch %t %s -emit-llvm -o - -error-on-deserialized-decl doNotDeserialize -DNO_ERRORS -fmodules-ignore-macro=NO_ERRORS | FileCheck %s
|
|
|
|
// Test with pch and delayed template parsing.
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fdelayed-template-parsing -fexceptions -x c++-header -emit-pch -o %t %S/cxx-templates.h
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fdelayed-template-parsing -fexceptions -include-pch %t -verify %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fdelayed-template-parsing -fexceptions -include-pch %t %s -emit-llvm -o - -DNO_ERRORS | FileCheck %s
|
|
|
|
// Test with pch and template instantiation in the pch.
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -fpch-instantiate-templates -x c++-header -emit-pch -o %t %S/cxx-templates.h
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include-pch %t -verify %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple %itanium_abi_triple -fcxx-exceptions -fexceptions -include-pch %t %s -emit-llvm -o - -DNO_ERRORS | FileCheck %s
|
|
|
|
// CHECK: define weak_odr {{.*}}void @_ZN2S4IiE1mEv
|
|
// CHECK: define linkonce_odr {{.*}}void @_ZN2S3IiE1mEv
|
|
|
|
struct A {
|
|
typedef int type;
|
|
static void my_f();
|
|
template <typename T>
|
|
static T my_templf(T x) { return x; }
|
|
};
|
|
|
|
void test(const int (&a6)[17]) {
|
|
int x = templ_f<int, 5>(3);
|
|
|
|
S<char, float>::templ();
|
|
S<int, char>::partial();
|
|
S<int, float>::explicit_special();
|
|
|
|
Dep<A>::Ty ty;
|
|
Dep<A> a;
|
|
a.f();
|
|
|
|
S3<int> s3;
|
|
s3.m();
|
|
|
|
TS5 ts(0);
|
|
|
|
S6<const int[17]>::t2 b6 = a6;
|
|
}
|
|
|
|
template struct S4<int>;
|
|
|
|
S7<int[5]> s7_5;
|
|
|
|
namespace ZeroLengthExplicitTemplateArgs {
|
|
template void f<X>(X*);
|
|
}
|
|
|
|
// This used to overwrite memory and crash.
|
|
namespace Test1 {
|
|
struct StringHasher {
|
|
template<typename T, char Converter(T)> static inline unsigned createHash(const T*, unsigned) {
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
struct CaseFoldingHash {
|
|
static inline char foldCase(char) {
|
|
return 0;
|
|
}
|
|
|
|
static unsigned hash(const char* data, unsigned length) {
|
|
return StringHasher::createHash<char, foldCase>(data, length);
|
|
}
|
|
};
|
|
}
|
|
|
|
template< typename D >
|
|
Foo< D >& Foo< D >::operator=( const Foo& other )
|
|
{
|
|
return *this;
|
|
}
|
|
|
|
namespace TestNestedExpansion {
|
|
struct Int {
|
|
Int(int);
|
|
friend Int operator+(Int, Int);
|
|
};
|
|
Int &g(Int, int, double);
|
|
Int &test = NestedExpansion<char, char, char>().f(0, 1, 2, Int(3), 4, 5.0);
|
|
}
|
|
|
|
namespace rdar13135282 {
|
|
void test() {
|
|
__mt_alloc<> mt = __mt_alloc<>();
|
|
}
|
|
}
|
|
|
|
void CallDependentSpecializedFunc(DependentSpecializedFuncClass<int> &x) {
|
|
DependentSpecializedFunc(x);
|
|
}
|
|
|
|
namespace cyclic_module_load {
|
|
extern std::valarray<int> x;
|
|
std::valarray<int> y(x);
|
|
}
|
|
|
|
#ifndef NO_ERRORS
|
|
// expected-error@cxx-templates.h:305 {{incomplete}}
|
|
template int local_extern::f<int[]>(); // expected-note {{in instantiation of}}
|
|
#endif
|
|
template int local_extern::g<int[]>();
|
|
|
|
namespace MemberSpecializationLocation {
|
|
#ifndef NO_ERRORS
|
|
// expected-note@cxx-templates.h:* {{previous}}
|
|
template<> float A<int>::n; // expected-error {{redeclaration of 'n' with a different type}}
|
|
#endif
|
|
int k = A<int>::n;
|
|
}
|
|
|
|
// https://bugs.llvm.org/show_bug.cgi?id=34728
|
|
namespace PR34728 {
|
|
int test() {
|
|
// Verify with several TemplateParmDecl kinds, using PCH (incl. modules).
|
|
int z1 = func1(/*ignored*/2.718);
|
|
int z2 = func2(/*ignored*/3.142);
|
|
int tmp3 = 30;
|
|
Container<int> c = func3(tmp3);
|
|
int z3 = c.item;
|
|
|
|
// Return value is meaningless. Just "use" all these values to avoid
|
|
// warning about unused vars / values.
|
|
return z1 + z2 + z3;
|
|
}
|
|
} // end namespace PR34728
|
|
|
|
namespace ClassScopeExplicitSpecializations {
|
|
// FIXME: It's unclear these warnings (and the behavior they're describing)
|
|
// are desirable. These explicit instantiations could meaningfully
|
|
// instantiate the explicit specializations defined in the primary template.
|
|
template int A<3>::f<0>() const; // expected-warning {{has no effect}}
|
|
template int A<3>::f<1>() const;
|
|
template int A<4>::f<0>() const; // expected-warning {{has no effect}}
|
|
template int A<4>::f<1>() const;
|
|
// expected-note@cxx-templates.h:403 2{{here}}
|
|
|
|
static_assert(A<0>().f<0>() == 4, "");
|
|
static_assert(A<0>().f<1>() == 5, "");
|
|
static_assert(A<0>().f<2>() == 3, "");
|
|
static_assert(A<1>().f<0>() == 2, "");
|
|
static_assert(A<1>().f<1>() == 1, "");
|
|
static_assert(A<1>().f<2>() == 1, "");
|
|
static_assert(A<2>().f<0>() == 2, "");
|
|
static_assert(A<2>().f<1>() == 1, "");
|
|
static_assert(A<3>().f<0>() == 2, "");
|
|
static_assert(A<3>().f<1>() == 1, "");
|
|
static_assert(A<4>().f<0>() == 2, "");
|
|
static_assert(A<4>().f<1>() == 1, "");
|
|
}
|
|
|
|
namespace DependentMemberExpr {
|
|
#ifndef NO_ERRORS
|
|
// This used to mark 'f' invalid without producing any diagnostic. That's a
|
|
// little hard to detect, but we can make sure that constexpr evaluation
|
|
// fails when it should.
|
|
static_assert(A<int>().f() == 1); // expected-error {{static_assert failed}}
|
|
#endif
|
|
}
|
|
|
|
namespace DependentTemplateName {
|
|
struct HasMember {
|
|
template <class T> struct Member;
|
|
};
|
|
|
|
void test() {
|
|
getWithIdentifier<HasMember>();
|
|
}
|
|
}
|
|
|
|
namespace ClassTemplateCycle {
|
|
extern T t;
|
|
int k = M;
|
|
}
|