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1// RUN: %clang_cc1 -fsyntax-only %s -verify -Wvector-conversion2 3typedef long long t1 __attribute__ ((vector_size (8)));4typedef char t2 __attribute__ ((vector_size (16)));5typedef float t3 __attribute__ ((vector_size (16)));6typedef short s2 __attribute__ ((vector_size(4)));7 8typedef enum { Evalue = 0x10000 } E;9 10void f(void)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 \28type '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 \31type '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 \35type '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 41void f2(t2 X); // expected-note{{passing argument to parameter 'X' here}}42 43void 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 47typedef float float2 __attribute__ ((vector_size (8)));48typedef __attribute__((vector_size(8))) double float64x1_t;49typedef __attribute__((vector_size(16))) double float64x2_t;50float64x1_t vget_low_f64(float64x2_t __p0);51typedef float float16 __attribute__((__vector_size__(16)));52typedef signed int vSInt32 __attribute__((__vector_size__(16)));53typedef unsigned int vUInt32 __attribute__((__vector_size__(16)));54 55void f4(void) {56 float2 f2;57 double d, a, b, c;58 float64x2_t v = {0.0, 1.0};59 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}}60 d += f2; // expected-error {{assigning to 'double' from incompatible type 'float2' (vector of 2 'float' values)}}61 a = 3.0 + vget_low_f64(v);62 b = vget_low_f64(v) + 3.0;63 c = vget_low_f64(v);64 c -= vget_low_f64(v);65 // LAX conversions between scalar and vector types require same size and one element sized vectors.66 d = f2; // expected-error {{assigning to 'double' from incompatible type 'float2'}}67 d = d + f2; // expected-error {{assigning to 'double' from incompatible type 'float2'}}68}69 70// Don't permit a lax conversion to and from a pointer type.71typedef short short_sizeof_pointer __attribute__((vector_size(sizeof(void*))));72void f5(void) {73 short_sizeof_pointer v;74 void *ptr;75 v = ptr; // expected-error-re {{assigning to 'short_sizeof_pointer' (vector of {{[0-9]+}} 'short' values) from incompatible type 'void *'}}76 ptr = v; // expected-error {{assigning to 'void *' from incompatible type 'short_sizeof_pointer'}}77}78 79void f6(vSInt32 a0) {80 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)}}81 counter -= a0;82}83