1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown -fsyntax-only -verify %s |
2 | typedef int __v2si __attribute__((__vector_size__(8))); |
3 | typedef short __v4hi __attribute__((__vector_size__(8))); |
4 | typedef short __v8hi __attribute__((__vector_size__(16))); |
5 | typedef short __v3hi __attribute__((__ext_vector_type__(3))); |
6 | |
7 | struct S { }; // expected-note 3 {{candidate constructor}} |
8 | |
9 | enum E : long long { Evalue }; |
10 | |
11 | void f() { |
12 | __v2si v2si; |
13 | __v3hi v3hi; |
14 | __v4hi v4hi; |
15 | __v8hi v8hi; |
16 | unsigned long long ll; |
17 | unsigned char c; |
18 | S s; |
19 | E e; |
20 | |
21 | (void)reinterpret_cast<__v2si>(v4hi); |
22 | (void)(__v2si)v4hi; |
23 | (void)reinterpret_cast<__v4hi>(v2si); |
24 | (void)(__v4hi)v2si; |
25 | (void)reinterpret_cast<unsigned long long>(v2si); |
26 | (void)(unsigned long long)v2si; |
27 | (void)reinterpret_cast<__v2si>(ll); |
28 | (void)(__v2si)(ll); |
29 | |
30 | (void)(E)v2si; // expected-error {{C-style cast from '__v2si' (vector of 2 'int' values) to 'E' is not allowed}} |
31 | (void)(__v2si)e; // expected-error {{C-style cast from 'E' to '__v2si' (vector of 2 'int' values)}} |
32 | (void)reinterpret_cast<E>(v2si); // expected-error {{reinterpret_cast from '__v2si' (vector of 2 'int' values) to 'E' is not allowed}} |
33 | (void)reinterpret_cast<__v2si>(e); // expected-error {{reinterpret_cast from 'E' to '__v2si' (vector of 2 'int' values)}} |
34 | |
35 | (void)reinterpret_cast<S>(v2si); // expected-error {{reinterpret_cast from '__v2si' (vector of 2 'int' values) to 'S' is not allowed}} |
36 | (void)(S)v2si; // expected-error {{no matching conversion for C-style cast from '__v2si' (vector of 2 'int' values) to 'S'}} |
37 | (void)reinterpret_cast<__v2si>(s); // expected-error {{reinterpret_cast from 'S' to '__v2si' (vector of 2 'int' values) is not allowed}} |
38 | (void)(__v2si)s; // expected-error {{cannot convert 'S' to '__v2si' (vector of 2 'int' values) without a conversion operator}} |
39 | |
40 | (void)reinterpret_cast<unsigned char>(v2si); // expected-error {{reinterpret_cast from vector '__v2si' (vector of 2 'int' values) to scalar 'unsigned char' of different size}} |
41 | (void)(unsigned char)v2si; // expected-error {{C-style cast from vector '__v2si' (vector of 2 'int' values) to scalar 'unsigned char' of different size}} |
42 | (void)reinterpret_cast<__v2si>(c); // expected-error {{reinterpret_cast from scalar 'unsigned char' to vector '__v2si' (vector of 2 'int' values) of different size}} |
43 | |
44 | (void)reinterpret_cast<__v8hi>(v4hi); // expected-error {{reinterpret_cast from vector '__v4hi' (vector of 4 'short' values) to vector '__v8hi' (vector of 8 'short' values) of different size}} |
45 | (void)(__v8hi)v4hi; // expected-error {{C-style cast from vector '__v4hi' (vector of 4 'short' values) to vector '__v8hi' (vector of 8 'short' values) of different size}} |
46 | (void)reinterpret_cast<__v4hi>(v8hi); // expected-error {{reinterpret_cast from vector '__v8hi' (vector of 8 'short' values) to vector '__v4hi' (vector of 4 'short' values) of different size}} |
47 | (void)(__v4hi)v8hi; // expected-error {{C-style cast from vector '__v8hi' (vector of 8 'short' values) to vector '__v4hi' (vector of 4 'short' values) of different size}} |
48 | |
49 | (void)(__v3hi)v4hi; // expected-error {{C-style cast from vector '__v4hi' (vector of 4 'short' values) to vector '__v3hi' (vector of 3 'short' values) of different size}} |
50 | (void)(__v3hi)v2si; // expected-error {{C-style cast from vector '__v2si' (vector of 2 'int' values) to vector '__v3hi' (vector of 3 'short' values) of different size}} |
51 | (void)(__v4hi)v3hi; // expected-error {{C-style cast from vector '__v3hi' (vector of 3 'short' values) to vector '__v4hi' (vector of 4 'short' values) of different size}} |
52 | (void)(__v2si)v3hi; // expected-error {{C-style cast from vector '__v3hi' (vector of 3 'short' values) to vector '__v2si' (vector of 2 'int' values) of different size}} |
53 | (void)reinterpret_cast<__v3hi>(v4hi); // expected-error {{reinterpret_cast from vector '__v4hi' (vector of 4 'short' values) to vector '__v3hi' (vector of 3 'short' values) of different size}} |
54 | (void)reinterpret_cast<__v3hi>(v2si); // expected-error {{reinterpret_cast from vector '__v2si' (vector of 2 'int' values) to vector '__v3hi' (vector of 3 'short' values) of different size}} |
55 | (void)reinterpret_cast<__v4hi>(v3hi); // expected-error {{reinterpret_cast from vector '__v3hi' (vector of 3 'short' values) to vector '__v4hi' (vector of 4 'short' values) of different size}} |
56 | (void)reinterpret_cast<__v2si>(v3hi); // expected-error {{reinterpret_cast from vector '__v3hi' (vector of 3 'short' values) to vector '__v2si' (vector of 2 'int' values) of different size}} |
57 | } |
58 | |
59 | struct testvec { |
60 | __v2si v; |
61 | void madd(const testvec& rhs) { |
62 | v = v + rhs; // expected-error {{cannot convert between vector and non-scalar values}} |
63 | } |
64 | void madd2(testvec rhs) { |
65 | v = v + rhs; // expected-error {{cannot convert between vector and non-scalar values}} |
66 | } |
67 | }; |
68 | |
69 | // rdar://15931426 |
70 | // Conversions for return values. |
71 | __v4hi threeToFour(__v3hi v) { // expected-note {{not viable}} |
72 | return v; // expected-error {{cannot initialize return object}} |
73 | } |
74 | __v3hi fourToThree(__v4hi v) { // expected-note {{not viable}} |
75 | return v; // expected-error {{cannot initialize return object}} |
76 | } |
77 | // Conversions for calls. |
78 | void call3to4(__v4hi v) { |
79 | (void) threeToFour(v); // expected-error {{no matching function for call}} |
80 | } |
81 | void call4to3(__v3hi v) { |
82 | (void) fourToThree(v); // expected-error {{no matching function for call}} |
83 | } |
84 | |