84 lines
5.3 KiB
C++
84 lines
5.3 KiB
C++
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
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typedef int __v2si __attribute__((__vector_size__(8)));
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typedef short __v4hi __attribute__((__vector_size__(8)));
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typedef short __v8hi __attribute__((__vector_size__(16)));
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typedef short __v3hi __attribute__((__ext_vector_type__(3)));
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struct S { }; // expected-note 3 {{candidate constructor}}
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enum E : long long { Evalue };
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void f() {
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__v2si v2si;
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__v3hi v3hi;
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__v4hi v4hi;
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__v8hi v8hi;
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unsigned long long ll;
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unsigned char c;
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S s;
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E e;
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(void)reinterpret_cast<__v2si>(v4hi);
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(void)(__v2si)v4hi;
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(void)reinterpret_cast<__v4hi>(v2si);
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(void)(__v4hi)v2si;
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(void)reinterpret_cast<unsigned long long>(v2si);
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(void)(unsigned long long)v2si;
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(void)reinterpret_cast<__v2si>(ll);
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(void)(__v2si)(ll);
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(void)(E)v2si; // expected-error {{C-style cast from '__v2si' (vector of 2 'int' values) to 'E' is not allowed}}
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(void)(__v2si)e; // expected-error {{C-style cast from 'E' to '__v2si' (vector of 2 'int' values)}}
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(void)reinterpret_cast<E>(v2si); // expected-error {{reinterpret_cast from '__v2si' (vector of 2 'int' values) to 'E' is not allowed}}
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(void)reinterpret_cast<__v2si>(e); // expected-error {{reinterpret_cast from 'E' to '__v2si' (vector of 2 'int' values)}}
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(void)reinterpret_cast<S>(v2si); // expected-error {{reinterpret_cast from '__v2si' (vector of 2 'int' values) to 'S' is not allowed}}
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(void)(S)v2si; // expected-error {{no matching conversion for C-style cast from '__v2si' (vector of 2 'int' values) to 'S'}}
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(void)reinterpret_cast<__v2si>(s); // expected-error {{reinterpret_cast from 'S' to '__v2si' (vector of 2 'int' values) is not allowed}}
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(void)(__v2si)s; // expected-error {{cannot convert 'S' to '__v2si' (vector of 2 'int' values) without a conversion operator}}
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(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}}
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(void)(unsigned char)v2si; // expected-error {{C-style cast from vector '__v2si' (vector of 2 'int' values) to scalar 'unsigned char' of different size}}
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(void)reinterpret_cast<__v2si>(c); // expected-error {{reinterpret_cast from scalar 'unsigned char' to vector '__v2si' (vector of 2 'int' values) of different size}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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(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}}
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}
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struct testvec {
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__v2si v;
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void madd(const testvec& rhs) {
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v = v + rhs; // expected-error {{cannot convert between vector and non-scalar values}}
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}
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void madd2(testvec rhs) {
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v = v + rhs; // expected-error {{cannot convert between vector and non-scalar values}}
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}
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};
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// rdar://15931426
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// Conversions for return values.
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__v4hi threeToFour(__v3hi v) { // expected-note {{not viable}}
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return v; // expected-error {{cannot initialize return object}}
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}
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__v3hi fourToThree(__v4hi v) { // expected-note {{not viable}}
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return v; // expected-error {{cannot initialize return object}}
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}
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// Conversions for calls.
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void call3to4(__v4hi v) {
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(void) threeToFour(v); // expected-error {{no matching function for call}}
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}
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void call4to3(__v3hi v) {
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(void) fourToThree(v); // expected-error {{no matching function for call}}
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}
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