1 // RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -fsyntax-only -verify -Wconversion %s 2 3 typedef __attribute__((ext_vector_type(4))) char char4; 4 typedef __attribute__((ext_vector_type(4))) short short4; 5 typedef __attribute__((ext_vector_type(1))) float float1; 6 7 static void test() { 8 char4 vc4; 9 float f; 10 // Not allowed. There's no splatting conversion between float and int vector, 11 // and we don't want to bitcast f to vector-of-char (as would happen with the 12 // old-style vector types). 13 vc4 += f; // expected-error {{cannot convert between vector values of different size}} 14 short4 vs4; 15 long long ll; 16 // This one is OK; we don't re-interpret ll as short4, rather we splat its 17 // value, which should produce a warning about clamping. 18 vs4 += ll; // expected-warning {{implicit conversion loses integer precision}} 19 } 20
