| 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 | |