1 // RUN: %clang_cc1 %s -verify -fsyntax-only -Wvector-conversion
2 typedef unsigned int v2u __attribute__ ((vector_size (8)));
3 typedef signed int v2s __attribute__ ((vector_size (8)));
4 typedef signed int v1s __attribute__ ((vector_size (4)));
5 typedef float v2f __attribute__ ((vector_size(8)));
6 typedef signed short v4ss __attribute__ ((vector_size (8)));
7 
8 void test1() {
9   v2s v1;
10   v2u v2;
11   v1s v3;
12   v2f v4;
13   v4ss v5;
14 
15   v1 = v2; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v2u'}}
16   v1 = v3; // expected-error {{assigning to 'v2s' from incompatible type 'v1s'}}
17   v1 = v4; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v2f'}}
18   v1 = v5; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v4ss'}}
19 
20   v2 = v1; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v2s'}}
21   v2 = v3; // expected-error {{assigning to 'v2u' from incompatible type 'v1s'}}
22   v2 = v4; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v2f'}}
23   v2 = v5; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v4ss'}}
24 
25   v3 = v1; // expected-error {{assigning to 'v1s' from incompatible type 'v2s'}}
26   v3 = v2; // expected-error {{assigning to 'v1s' from incompatible type 'v2u'}}
27   v3 = v4; // expected-error {{assigning to 'v1s' from incompatible type 'v2f'}}
28   v3 = v5; // expected-error {{assigning to 'v1s' from incompatible type 'v4ss'}}
29 
30   v4 = v1; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v2s'}}
31   v4 = v2; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v2u'}}
32   v4 = v3; // expected-error {{assigning to 'v2f' from incompatible type 'v1s'}}
33   v4 = v5; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v4ss'}}
34 
35   v5 = v1; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2s'}}
36   v5 = v2; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2u'}}
37   v5 = v3; // expected-error {{assigning to 'v4ss' from incompatible type 'v1s'}}
38   v5 = v4; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2f'}}
39 }
40 
41 // PR2263
42 float test2(__attribute__((vector_size(16))) float a, int b) {
43    return a[b];
44 }
45 
46 // PR4838
47 typedef long long __attribute__((__vector_size__(2 * sizeof(long long))))
48 longlongvec;
49 
50 void test3a(longlongvec *); // expected-note{{passing argument to parameter here}}
51 void test3(const unsigned *src) {
52   test3a(src);  // expected-warning {{incompatible pointer types passing 'const unsigned int *' to parameter of type 'longlongvec *'}}
53 }
54