clang/test/SemaCXX/vector-no-lax.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -flax-vector-conversions=none -verify %s
   2 typedef unsigned int __attribute__((vector_size (16))) vUInt32;
   3 typedef int __attribute__((vector_size (16))) vSInt32;
   4
   5 vSInt32 foo (vUInt32 a) {
   6   vSInt32 b = { 0, 0, 0, 0 };
   7   b += a; // expected-error{{cannot convert between vector type 'vUInt32' (vector of 4 'unsigned int' values) and vector type 'vSInt32' (vector of 4 'int' values) as implicit conversion would cause truncation}}
   8   return b;
   9 }