You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
3.1 KiB
78 lines
3.1 KiB
// 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);
|
|
|
|
void f4() {
|
|
float2 f2;
|
|
double d, a, b, c;
|
|
float64x2_t v = {0.0, 1.0};
|
|
f2 += d;
|
|
a = 3.0 + vget_low_f64(v);
|
|
b = vget_low_f64(v) + 3.0;
|
|
c = vget_low_f64(v);
|
|
// LAX conversions within compound assignments are not supported.
|
|
// FIXME: This diagnostic is inaccurate.
|
|
d += f2; // expected-error {{cannot convert between vector values of different size}}
|
|
c -= vget_low_f64(v); // expected-error {{cannot convert between vector values of different size}}
|
|
// 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'}}
|
|
}
|