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 typedef short s2 __attribute__ ((vector_size(4))); 7 8 typedef enum { Evalue = 0x10000 } E; 9 10 void f() 11 { 12 t1 v1; 13 t2 v2; 14 t3 v3; 15 s2 v4; 16 E e; 17 18 e = (E)v4; 19 v4 = (s2)e; 20 21 v2 = (t2)v1; // expected-error {{invalid conversion between vector type \ 22 't2' (vector of 16 'char' values) and 't1' (vector of 1 'long long' value) of different size}} 23 v1 = (t1)v2; // expected-error {{invalid conversion between vector type \ 24 't1' (vector of 1 'long long' value) and 't2' (vector of 16 'char' values) of different size}} 25 v3 = (t3)v2; 26 27 v1 = (t1)(char *)10; // expected-error {{invalid conversion between vector \ 28 type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} 29 v1 = (t1)(long long)10; 30 v1 = (t1)(short)10; // expected-error {{invalid conversion between vector \ 31 type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} 32 33 long long r1 = (long long)v1; 34 short r2 = (short)v1; // expected-error {{invalid conversion between vector \ 35 type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} 36 char *r3 = (char *)v1; // expected-error {{invalid conversion between vector\ 37 type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} 38 } 39 40 41 void f2(t2 X); // expected-note{{passing argument to parameter 'X' here}} 42 43 void f3(t3 Y) { 44 f2(Y); // expected-warning {{incompatible vector types passing 't3' (vector of 4 'float' values) to parameter of type 't2' (vector of 16 'char' values)}} 45 } 46 47 typedef float float2 __attribute__ ((vector_size (8))); 48 49 void f4() { 50 float2 f2; 51 double d; 52 f2 += d; 53 d += f2; 54 } 55 56 // rdar://15931426 57 // Don't permit a lax conversion to and from a pointer type. 58 typedef short short_sizeof_pointer __attribute__((vector_size(sizeof(void*)))); 59 void f5() { 60 short_sizeof_pointer v; 61 void *ptr; 62 v = ptr; // expected-error-re {{assigning to 'short_sizeof_pointer' (vector of {{[0-9]+}} 'short' values) from incompatible type 'void *'}} 63 ptr = v; // expected-error {{assigning to 'void *' from incompatible type 'short_sizeof_pointer'}} 64 } 65
