forked from OSchip/llvm-project
107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
// RUN: %clang_cc1 -std=c++2a -triple %itanium_abi_triple -emit-llvm -o - %s -w | FileCheck %s
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template<class, int, class>
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struct DummyType { };
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inline void inline_func() {
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// CHECK: UlvE
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[]{}();
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// CHECK: UlTyvE
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[]<class>{}.operator()<int>();
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// CHECK: UlTyT_E
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[]<class T>(T){}(1);
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// CHECK: UlTyTyT_T0_E
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[]<class T1, class T2>(T1, T2){}(1, 2);
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// CHECK: UlTyTyT0_T_E
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[]<class T1, class T2>(T2, T1){}(2, 1);
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// CHECK: UlTniTyTnjT0_E
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[]<int I, class T, unsigned U>(T){}.operator()<1, int, 2>(3);
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// CHECK: UlTyTtTyTniTyETniTyvE
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[]<class,
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template<class, int, class> class,
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int,
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class>{}.operator()<unsigned, DummyType, 5, int>();
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}
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void call_inline_func() {
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inline_func();
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}
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template<typename T, int> struct X {};
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inline auto pack = []<typename ...T, T ...N>(T (&...)[N]) {};
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int arr1[] = {1};
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int arr2[] = {1, 2};
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// CHECK: @_ZNK4packMUlTpTyTpTnT_DpRAT0__S_E_clIJiiEJLi1ELi2EEEEDaS2_(
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void use_pack() { pack(arr1, arr2); }
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inline void collision() {
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auto a = []<typename T, template<typename U, T> typename>{};
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auto b = []<typename T, template<typename U, U> typename>{};
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auto c = []<typename T, template<typename U, T> typename>{};
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a.operator()<int, X>();
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// CHECK: @_ZZ9collisionvENKUlTyTtTyTnT_EvE_clIi1XEEDav
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b.operator()<int, X>();
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// CHECK: @_ZZ9collisionvENKUlTyTtTyTnTL0__EvE_clIi1XEEDav
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c.operator()<int, X>();
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// CHECK: @_ZZ9collisionvENKUlTyTtTyTnT_EvE0_clIi1XEEDav
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}
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void use_collision() { collision(); }
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namespace pack_not_pack_expansion {
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template<typename T, int, T...> struct X;
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// CHECK: @_ZNK23pack_not_pack_expansion1xMUlTyTtTyTnT_TpTnTL0__ETpTyvE_clIiNS_1XEJfEEEDav
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inline auto x = []<typename T, template<typename U, T, U...> typename, typename ...V>(){}; void f() { x.operator()<int, X, float>(); }
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}
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template<typename> void f() {
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// CHECK: define linkonce_odr {{.*}} @_ZZ1fIiEvvENKUlT_E_clIiEEDaS0_(
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auto x = [](auto){};
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x(0);
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}
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void use_f() { f<int>(); }
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template<typename> struct Y {
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template<int> struct Z {};
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};
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template<typename ...T> void expanded() {
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auto x = []<T..., template<T> typename...>{};
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auto y = []<int, template<int> typename>{};
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auto z = []<int, int, template<int> typename, template<int> typename>{};
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// FIXME: Should we really require 'template' for y and z?
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x.template operator()<(T())..., Y<T>::template Z...>();
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y.template operator()<0, Y<int>::Z>();
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y.template operator()<1, Y<int>::Z>();
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z.template operator()<1, 2, Y<int>::Z, Y<float>::Z>();
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}
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void use_expanded() {
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// CHECK: @_ZZ8expandedIJEEvvENKUlvE_clIJEJEEEDav(
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// CHECK: @_ZZ8expandedIJEEvvENKUlTniTtTniEvE_clILi0EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJEEvvENKUlTniTtTniEvE_clILi1EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJEEvvENKUlTniTniTtTniETtTniEvE_clILi1ELi2EN1YIiE1ZENS2_IfE1ZEEEDav(
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expanded<>();
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// FIXME: Should we really be using J...E for arguments corresponding to an
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// expanded parameter pack?
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// Note that the <lambda-sig>s of 'x' and 'y' collide here, after pack expansion.
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// CHECK: @_ZZ8expandedIJiEEvvENKUlTniTtTniEvE_clIJLi0EEJN1YIiE1ZEEEEDav(
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// CHECK: @_ZZ8expandedIJiEEvvENKUlTniTtTniEvE0_clILi0EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJiEEvvENKUlTniTtTniEvE0_clILi1EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJiEEvvENKUlTniTniTtTniETtTniEvE_clILi1ELi2EN1YIiE1ZENS2_IfE1ZEEEDav(
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expanded<int>();
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// Note that the <lambda-sig>s of 'x' and 'z' collide here, after pack expansion.
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// CHECK: @_ZZ8expandedIJiiEEvvENKUlTniTniTtTniETtTniEvE_clIJLi0ELi0EEJN1YIiE1ZES4_EEEDav(
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// CHECK: @_ZZ8expandedIJiiEEvvENKUlTniTtTniEvE_clILi0EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJiiEEvvENKUlTniTtTniEvE_clILi1EN1YIiE1ZEEEDav(
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// CHECK: @_ZZ8expandedIJiiEEvvENKUlTniTniTtTniETtTniEvE0_clILi1ELi2EN1YIiE1ZENS2_IfE1ZEEEDav(
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expanded<int, int>();
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}
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