83 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown -fsyntax-only -verify %s2typedef int __v2si __attribute__((__vector_size__(8)));3typedef short __v4hi __attribute__((__vector_size__(8)));4typedef short __v8hi __attribute__((__vector_size__(16)));5typedef short __v3hi __attribute__((__ext_vector_type__(3)));6 7struct S { }; // expected-note 3 {{candidate constructor}}8 9enum E : long long { Evalue };10 11void 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 59struct 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// Conversions for return values.70__v4hi threeToFour(__v3hi v) { // expected-note {{not viable}}71 return v; // expected-error {{cannot initialize return object}}72}73__v3hi fourToThree(__v4hi v) { // expected-note {{not viable}}74 return v; // expected-error {{cannot initialize return object}}75}76// Conversions for calls.77void call3to4(__v4hi v) {78 (void) threeToFour(v); // expected-error {{no matching function for call}}79}80void call4to3(__v3hi v) {81 (void) fourToThree(v); // expected-error {{no matching function for call}}82}83