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 
test1()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' (vector of 2 'int' values) from 'v2u' (vector of 2 'unsigned int' values)}}
16   v1 = v3; // expected-error {{assigning to 'v2s' (vector of 2 'int' values) from incompatible type 'v1s' (vector of 1 'int' value)}}
17   v1 = v4; // expected-warning {{incompatible vector types assigning to 'v2s' (vector of 2 'int' values) from 'v2f' (vector of 2 'float' values)}}
18   v1 = v5; // expected-warning {{incompatible vector types assigning to 'v2s' (vector of 2 'int' values) from 'v4ss' (vector of 4 'short' values)}}
19 
20   v2 = v1; // expected-warning {{incompatible vector types assigning to 'v2u' (vector of 2 'unsigned int' values) from 'v2s' (vector of 2 'int' values)}}
21   v2 = v3; // expected-error {{assigning to 'v2u' (vector of 2 'unsigned int' values) from incompatible type 'v1s' (vector of 1 'int' value)}}
22   v2 = v4; // expected-warning {{incompatible vector types assigning to 'v2u' (vector of 2 'unsigned int' values) from 'v2f' (vector of 2 'float' values)}}
23   v2 = v5; // expected-warning {{incompatible vector types assigning to 'v2u' (vector of 2 'unsigned int' values) from 'v4ss' (vector of 4 'short' values)}}
24 
25   v3 = v1; // expected-error {{assigning to 'v1s' (vector of 1 'int' value) from incompatible type 'v2s' (vector of 2 'int' values)}}
26   v3 = v2; // expected-error {{assigning to 'v1s' (vector of 1 'int' value) from incompatible type 'v2u' (vector of 2 'unsigned int' values)}}
27   v3 = v4; // expected-error {{assigning to 'v1s' (vector of 1 'int' value) from incompatible type 'v2f' (vector of 2 'float' values)}}
28   v3 = v5; // expected-error {{assigning to 'v1s' (vector of 1 'int' value) from incompatible type 'v4ss'}}
29 
30   v4 = v1; // expected-warning {{incompatible vector types assigning to 'v2f' (vector of 2 'float' values) from 'v2s' (vector of 2 'int' values)}}
31   v4 = v2; // expected-warning {{incompatible vector types assigning to 'v2f' (vector of 2 'float' values) from 'v2u' (vector of 2 'unsigned int' values)}}
32   v4 = v3; // expected-error {{assigning to 'v2f' (vector of 2 'float' values) from incompatible type 'v1s' (vector of 1 'int' value)}}
33   v4 = v5; // expected-warning {{incompatible vector types assigning to 'v2f' (vector of 2 'float' values) from 'v4ss' (vector of 4 'short' values)}}
34 
35   v5 = v1; // expected-warning {{incompatible vector types assigning to 'v4ss' (vector of 4 'short' values) from 'v2s' (vector of 2 'int' values)}}
36   v5 = v2; // expected-warning {{incompatible vector types assigning to 'v4ss' (vector of 4 'short' values) from 'v2u' (vector of 2 'unsigned int' values)}}
37   v5 = v3; // expected-error {{assigning to 'v4ss' (vector of 4 'short' values) from incompatible type 'v1s' (vector of 1 'int' value)}}
38   v5 = v4; // expected-warning {{incompatible vector types assigning to 'v4ss' (vector of 4 'short' values) from 'v2f'}}
39 }
40 
41 // PR2263
test2(float a,int b)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}}
test3(const unsigned * src)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