160 lines
3.2 KiB
C++
160 lines
3.2 KiB
C++
// RUN: %clang_cc1 %s -emit-llvm -o - -ftime-report 2>&1 | FileCheck %s
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// RUN: %clang_cc1 %s -emit-llvm -o - -fdelayed-template-parsing -DDELAYED_TEMPLATE_PARSING -ftime-report 2>&1 | FileCheck %s
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// Template function declarations
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template <typename T>
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void foo();
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template <typename T, typename U>
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void foo();
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// Template function definitions.
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template <typename T>
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void foo() {}
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// Template class (forward) declarations
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template <typename T>
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struct A;
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template <typename T, typename U>
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struct b;
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template <typename>
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struct C;
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template <typename, typename>
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struct D;
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// Forward declarations with default parameters?
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template <typename T = int>
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class X1;
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template <typename = int>
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class X2;
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// Forward declarations w/template template parameters
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template <template <typename> class T>
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class TTP1;
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template <template <typename> class>
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class TTP2;
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template <template <typename X, typename Y> class T>
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class TTP5;
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// Forward declarations with non-type params
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template <int>
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class NTP0;
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template <int N>
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class NTP1;
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template <int N = 5>
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class NTP2;
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template <int = 10>
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class NTP3;
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template <unsigned int N = 12u>
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class NTP4;
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template <unsigned int = 12u>
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class NTP5;
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template <unsigned = 15u>
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class NTP6;
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template <typename T, T Obj>
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class NTP7;
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// Template class declarations
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template <typename T>
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struct A {};
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template <typename T, typename U>
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struct B {};
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namespace PR6184 {
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namespace N {
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template <typename T>
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void bar(typename T::x);
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}
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template <typename T>
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void N::bar(typename T::x) {}
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}
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// This PR occurred only in template parsing mode.
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namespace PR17637 {
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template <int>
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struct L {
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template <typename T>
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struct O {
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template <typename U>
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static void Fun(U);
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};
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};
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template <int k>
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template <typename T>
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template <typename U>
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void L<k>::O<T>::Fun(U) {}
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void Instantiate() { L<0>::O<int>::Fun(0); }
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}
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namespace explicit_partial_specializations {
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typedef char (&oneT)[1];
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typedef char (&twoT)[2];
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typedef char (&threeT)[3];
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typedef char (&fourT)[4];
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typedef char (&fiveT)[5];
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typedef char (&sixT)[6];
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char one[1];
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char two[2];
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char three[3];
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char four[4];
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char five[5];
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char six[6];
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template <bool b>
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struct bool_ { typedef int type; };
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template <>
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struct bool_<false> {};
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#define XCAT(x, y) x##y
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#define CAT(x, y) XCAT(x, y)
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#define sassert(_b_) bool_<(_b_)>::type CAT(var, __LINE__);
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template <int>
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struct L {
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template <typename T>
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struct O {
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template <typename U>
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static oneT Fun(U);
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};
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};
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template <int k>
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template <typename T>
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template <typename U>
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oneT L<k>::O<T>::Fun(U) { return one; }
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template <>
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template <>
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template <typename U>
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oneT L<0>::O<char>::Fun(U) { return one; }
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void Instantiate() {
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sassert(sizeof(L<0>::O<int>::Fun(0)) == sizeof(one));
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sassert(sizeof(L<0>::O<char>::Fun(0)) == sizeof(one));
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}
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}
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template <class>
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struct Foo {
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template <class _Other>
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using rebind_alloc = _Other;
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};
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template <class _Alloc>
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struct _Wrap_alloc {
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template <class _Other>
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using rebind_alloc = typename Foo<_Alloc>::template rebind_alloc<_Other>;
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template <class>
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using rebind = _Wrap_alloc;
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};
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_Wrap_alloc<int>::rebind<int> w;
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// CHECK: Miscellaneous Ungrouped Timers
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// CHECK-DAG: LLVM IR Generation Time
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// CHECK-DAG: Code Generation Time
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// CHECK: Total
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// CHECK: Clang front-end time report
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// CHECK: Clang front-end timer
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// CHECK: Total
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