1 // RUN: %clang_cc1 -fsyntax-only %s -verify -Wvector-conversion 2 3 typedef long long t1 __attribute__ ((vector_size (8))); 4 typedef char t2 __attribute__ ((vector_size (16))); 5 typedef float t3 __attribute__ ((vector_size (16))); 6 7 void f() 8 { 9 t1 v1; 10 t2 v2; 11 t3 v3; 12 13 v2 = (t2)v1; // expected-error {{invalid conversion between vector type \ 14 't2' (vector of 16 'char' values) and 't1' (vector of 1 'long long' value) of different size}} 15 v1 = (t1)v2; // expected-error {{invalid conversion between vector type \ 16 't1' (vector of 1 'long long' value) and 't2' (vector of 16 'char' values) of different size}} 17 v3 = (t3)v2; 18 19 v1 = (t1)(char *)10; // expected-error {{invalid conversion between vector \ 20 type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} 21 v1 = (t1)(long long)10; 22 v1 = (t1)(short)10; // expected-error {{invalid conversion between vector \ 23 type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} 24 25 long long r1 = (long long)v1; 26 short r2 = (short)v1; // expected-error {{invalid conversion between vector \ 27 type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} 28 char *r3 = (char *)v1; // expected-error {{invalid conversion between vector\ 29 type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} 30 } 31 32 33 void f2(t2 X); // expected-note{{passing argument to parameter 'X' here}} 34 35 void f3(t3 Y) { 36 f2(Y); // expected-warning {{incompatible vector types passing 't3' (vector of 4 'float' values) to parameter of type 't2' (vector of 16 'char' values)}} 37 } 38 39 typedef float float2 __attribute__ ((vector_size (8))); 40 41 void f4() { 42 float2 f2; 43 double d; 44 f2 += d; 45 d += f2; 46 } 47 48 // rdar://15931426 49 // Don't permit a lax conversion to and from a pointer type. 50 typedef short short_sizeof_pointer __attribute__((vector_size(sizeof(void*)))); 51 void f5() { 52 short_sizeof_pointer v; 53 void *ptr; 54 v = ptr; // expected-error-re {{assigning to 'short_sizeof_pointer' (vector of {{[0-9]+}} 'short' values) from incompatible type 'void *'}} 55 ptr = v; // expected-error {{assigning to 'void *' from incompatible type 'short_sizeof_pointer'}} 56 } 57
