llvm-project/clang/test/Sema/vector-cast.c

39 lines
1.2 KiB
C

// 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)));
void f()
{
t1 v1;
t2 v2;
t3 v3;
v2 = (t2)v1; // -expected-error {{invalid conversion between vector type \
't2' and 't1' of different size}}
v1 = (t1)v2; // -expected-error {{invalid conversion between vector type \
't1' and 't2' of different size}}
v3 = (t3)v2;
v1 = (t1)(char *)10; // -expected-error {{invalid conversion between vector \
type 't1' and scalar type 'char *'}}
v1 = (t1)(long long)10;
v1 = (t1)(short)10; // -expected-error {{invalid conversion between vector \
type 't1' 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' and integer type 'short' of different size}}
char *r3 = (char *)v1; // -expected-error {{invalid conversion between vector\
type 't1' 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' to parameter of type 't2'}}
}