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1// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -fsyntax-only -verify %s2 3// Some bad declarations4hlsl::matrix ShouldWorkSomeday; // expected-error{{use of alias template 'hlsl::matrix' requires template arguments}}5// expected-note@*:* {{template declaration from hidden source: template <class element = float, int rows_count = 4, int cols_count = 4> requires rows_count <= 4 && cols_count <= 4 using matrix = element __attribute__((matrix_type(rows_count, cols_count)))}}6 7hlsl::matrix<1,1,1> BadMat; // expected-error{{template argument for template type parameter must be a type}}8// expected-note@*:* {{template parameter from hidden source: class element = float}}9 10hlsl::matrix<int, float,4> AnotherBadMat; // expected-error{{template argument for non-type template parameter must be an expression}}11// expected-note@*:* {{template parameter from hidden source: int rows_count = 4}}12 13hlsl::matrix<int, 2, 3, 2> YABV; // expected-error{{too many template arguments for alias template 'matrix'}}14// expected-note@*:* {{template declaration from hidden source: template <class element = float, int rows_count = 4, int cols_count = 4> requires rows_count <= 4 && cols_count <= 4 using matrix = element __attribute__((matrix_type(rows_count, cols_count)))}}15 16// This code is rejected by clang because clang puts the HLSL built-in types17// into the HLSL namespace.18namespace hlsl {19 struct matrix {}; // expected-error {{redefinition of 'matrix'}}20}21 22// This code is rejected by dxc because dxc puts the HLSL built-in types23// into the global space, but clang will allow it even though it will shadow the24// matrix template.25struct matrix {}; // expected-note {{candidate found by name lookup is 'matrix'}}26 27matrix<int,2,2> matInt2x2; // expected-error {{reference to 'matrix' is ambiguous}}28 29// expected-note@*:* {{candidate found by name lookup is 'hlsl::matrix'}}30