25 lines · cpp
1// RUN: %clang_cc1 -triple=x86_64-apple-darwin -fsyntax-only -verify %s2//3// Ensure that when we use builtins in C++ code with templates that compute the4// valid immediate, the dead code with the invalid immediate doesn't error.5// expected-no-diagnostics6 7typedef short __v8hi __attribute__((__vector_size__(16)));8 9template <int Imm>10__v8hi test(__v8hi a) {11 if (Imm < 4)12 return __builtin_ia32_pshuflw(a, 0x55 * Imm);13 else14 return __builtin_ia32_pshuflw(a, 0x55 * (Imm - 4));15}16 17template __v8hi test<0>(__v8hi);18template __v8hi test<1>(__v8hi);19template __v8hi test<2>(__v8hi);20template __v8hi test<3>(__v8hi);21template __v8hi test<4>(__v8hi);22template __v8hi test<5>(__v8hi);23template __v8hi test<6>(__v8hi);24template __v8hi test<7>(__v8hi);25