// RUN: %clang_cc1 -fsyntax-only %s -verify -Wvector-conversion typedef long long t1 __attribute__ ((vector_size (8))); typedef char t2 __attribute__ ((vector_size (16))); typedef float t3 __attribute__ ((vector_size (16))); typedef short s2 __attribute__ ((vector_size(4))); typedef enum { Evalue = 0x10000 } E; void f() { t1 v1; t2 v2; t3 v3; s2 v4; E e; e = (E)v4; v4 = (s2)e; v2 = (t2)v1; // expected-error {{invalid conversion between vector type \ 't2' (vector of 16 'char' values) and 't1' (vector of 1 'long long' value) of different size}} v1 = (t1)v2; // expected-error {{invalid conversion between vector type \ 't1' (vector of 1 'long long' value) and 't2' (vector of 16 'char' values) of different size}} v3 = (t3)v2; v1 = (t1)(char *)10; // expected-error {{invalid conversion between vector \ type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} v1 = (t1)(long long)10; v1 = (t1)(short)10; // expected-error {{invalid conversion between vector \ type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} long long r1 = (long long)v1; short r2 = (short)v1; // expected-error {{invalid conversion between vector \ type 't1' (vector of 1 'long long' value) and integer type 'short' of different size}} char *r3 = (char *)v1; // expected-error {{invalid conversion between vector\ type 't1' (vector of 1 'long long' value) and scalar type 'char *'}} } void f2(t2 X); // expected-note{{passing argument to parameter 'X' here}} void f3(t3 Y) { f2(Y); // expected-warning {{incompatible vector types passing 't3' (vector of 4 'float' values) to parameter of type 't2' (vector of 16 'char' values)}} } typedef float float2 __attribute__ ((vector_size (8))); typedef __attribute__((vector_size(8))) double float64x1_t; typedef __attribute__((vector_size(16))) double float64x2_t; float64x1_t vget_low_f64(float64x2_t __p0); typedef float float16 __attribute__((__vector_size__(16))); typedef signed int vSInt32 __attribute__((__vector_size__(16))); typedef unsigned int vUInt32 __attribute__((__vector_size__(16))); void f4() { float2 f2; double d, a, b, c; float64x2_t v = {0.0, 1.0}; f2 += d; // expected-error {{cannot convert between scalar type 'double' and vector type 'float2' (vector of 2 'float' values) as implicit conversion would cause truncation}} d += f2; // expected-error {{assigning to 'double' from incompatible type 'float2' (vector of 2 'float' values)}} a = 3.0 + vget_low_f64(v); b = vget_low_f64(v) + 3.0; c = vget_low_f64(v); c -= vget_low_f64(v); // LAX conversions between scalar and vector types require same size and one element sized vectors. d = f2; // expected-error {{assigning to 'double' from incompatible type 'float2'}} d = d + f2; // expected-error {{assigning to 'double' from incompatible type 'float2'}} } // rdar://15931426 // Don't permit a lax conversion to and from a pointer type. typedef short short_sizeof_pointer __attribute__((vector_size(sizeof(void*)))); void f5() { short_sizeof_pointer v; void *ptr; v = ptr; // expected-error-re {{assigning to 'short_sizeof_pointer' (vector of {{[0-9]+}} 'short' values) from incompatible type 'void *'}} ptr = v; // expected-error {{assigning to 'void *' from incompatible type 'short_sizeof_pointer'}} } void f6(vSInt32 a0) { vUInt32 counter = (float16){0.0f, 0.0f, 0.0f, 0.0f}; // expected-warning {{incompatible vector types initializing 'vUInt32' (vector of 4 'unsigned int' values) with an expression of type 'float16' (vector of 4 'float' values)}} counter -= a0; } |