clang/test/SemaCXX/placement-new-matrix.cpp

   1 // RUN: %clang_cc1 -fenable-matrix -fsyntax-only -verify %s -std=c++11
   2
   3 using Matrix = int __attribute__((matrix_type(4, 3)));
   4
   5 template <__SIZE_TYPE__ a, __SIZE_TYPE__ b>
   6 using TMatrix = int __attribute__((matrix_type(a, b)));
   7
   8 struct S {
   9     void* operator new(__SIZE_TYPE__, int);
  10     void* operator new(__SIZE_TYPE__, Matrix);
  11     void* operator new(__SIZE_TYPE__, TMatrix<2, 2>);
  12 };
  13
  14 int main() {
  15     Matrix m;
  16     TMatrix<2, 2> tm;
  17
  18     new (m) S {};
  19     new (tm) S {};
  20
  21     new (m[1][1]) S {};
  22     new (tm[1][1]) S {};
  23
  24     new (m[1]) S {}; // expected-error {{single subscript expressions are not allowed for matrix values}}
  25     new (tm[1]) S {}; // expected-error {{single subscript expressions are not allowed for matrix values}}
  26 }