c58c6aac77
Fixes #10518 Fixes #67914 Fixes #78388 Also addresses the second example in #49103 This patch is based on suggestion from @cor3ntin in https://github.com/llvm/llvm-project/issues/67914#issuecomment-1896011898
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// RUN: %clang_cc1 -verify -std=c++98 %s
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// RUN: %clang_cc1 -verify -std=c++11 %s
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// RUN: %clang_cc1 -verify -std=c++14 %s
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// RUN: %clang_cc1 -verify -std=c++17 %s
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// RUN: %clang_cc1 -verify -std=c++20 %s
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// RUN: %clang_cc1 -verify -std=c++23 %s
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// RUN: %clang_cc1 -verify -std=c++2c %s
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// https://github.com/llvm/llvm-project/issues/67914
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template < typename, int >
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struct Mask;
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template < int, class >
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struct conditional {
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using type = Mask< int, 16 >; // expected-warning 0+ {{}}
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};
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template < class _Then >
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struct conditional< 0, _Then > {
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using type = _Then; // expected-warning 0+ {{}}
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};
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template < int _Bp, class, class _Then >
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using conditional_t = typename conditional< _Bp, _Then >::type; // expected-warning 0+ {{}}
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template < typename, int >
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struct Array;
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template < typename, int, bool, typename >
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struct StaticArrayImpl;
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template < typename Value_, int Size_ >
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struct Mask : StaticArrayImpl< Value_, Size_, 1, Mask< Value_, Size_ > > { // expected-note 0+ {{}}
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template < typename T1 >
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Mask(T1) {} // expected-note 0+ {{}}
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};
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template < typename T >
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void load(typename T::MaskType mask) {
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T::load_(mask); // expected-note 0+ {{}}
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}
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template < typename Value_, int IsMask_, typename Derived_ >
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struct StaticArrayImpl< Value_, 32, IsMask_, Derived_ > {
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using Array1 = conditional_t< IsMask_, void, Array< Value_, 16 > >; // expected-warning 0+ {{}}
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template < typename Mask >
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static Derived_ load_(Mask mask) {
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return Derived_{load< Array1 >(mask.a1), Mask{}}; // expected-error 0+ {{}}
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}
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Array1 a1;
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};
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template < typename Derived_ >
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struct KMaskBase;
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template < typename Derived_ >
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struct StaticArrayImpl< float, 16, 0, Derived_ > {
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template < typename Mask >
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static Derived_ load_(Mask mask);
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};
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template < typename Derived_ >
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struct StaticArrayImpl< float, 16, 1, Mask< float, 16 > > : KMaskBase< Derived_ > {}; // expected-error 0+ {{}}
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template < typename Derived_ >
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struct StaticArrayImpl< int, 16, 1, Derived_ > {};
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template < typename Value_, int Size_ >
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struct Array : StaticArrayImpl< Value_, Size_, 0, Array< Value_, Size_ > > {
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using MaskType = Mask< Value_, Size_ >; // expected-warning 0+ {{}}
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};
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void test11_load_masked() {
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load< Array< float, 32 > >{} == 0; // expected-error 0+ {{}} expected-warning 0+ {{}} expected-note 0+ {{}}
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}
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