115 lines
5.3 KiB
C++
115 lines
5.3 KiB
C++
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify -fexceptions -fcxx-exceptions %s -std=c++14
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// expected-error@+1{{invalid option 'invalid' for cpu_dispatch}}
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void __attribute__((cpu_dispatch(atom, invalid))) invalid_cpu();
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void __attribute__((cpu_specific(atom))) no_default(void);
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void __attribute__((cpu_specific(sandybridge))) no_default(void);
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struct MVReference {
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int __attribute__((cpu_specific(sandybridge))) bar(void);
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int __attribute__((cpu_specific(ivybridge))) bar(void);
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int __attribute__((cpu_specific(sandybridge))) foo(void);
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};
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void use1(void){
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// OK, will fail in the linker, unless another TU provides the cpu_dispatch.
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no_default();
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// expected-error@+1 {{call to non-static member function without an object argument}}
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+MVReference::bar;
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// expected-error@+1 {{call to non-static member function without an object argument}}
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+MVReference::foo;
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// expected-error@+1 {{reference to multiversioned function could not be resolved; did you mean to call it?}}
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&MVReference::bar;
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// expected-error@+1 {{reference to multiversioned function could not be resolved; did you mean to call it?}}
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&MVReference::foo;
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}
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//expected-error@+1 {{attribute 'cpu_specific' multiversioned functions do not yet support constexpr functions}}
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constexpr int __attribute__((cpu_specific(sandybridge))) foo(void);
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int __attribute__((cpu_specific(sandybridge))) foo2(void);
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//expected-error@+1 {{attribute 'cpu_specific' multiversioned functions do not yet support constexpr functions}}
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constexpr int __attribute__((cpu_specific(ivybridge))) foo2(void);
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static int __attribute__((cpu_specific(sandybridge))) bar(void);
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//expected-error@+1 {{multiversioned function declaration has a different storage class}}
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int __attribute__((cpu_dispatch(ivybridge))) bar(void) {}
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inline int __attribute__((cpu_specific(sandybridge))) baz(void);
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//expected-error@+1 {{multiversioned function declaration has a different inline specification}}
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int __attribute__((cpu_specific(ivybridge))) baz(void) {return 1;}
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void __attribute__((cpu_specific(atom))) diff_return(void);
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//expected-error@+1 {{multiversioned function declaration has a different return type}}
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int __attribute__((cpu_specific(sandybridge))) diff_return(void);
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int __attribute__((cpu_specific(atom))) diff_noexcept(void) noexcept(true);
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//expected-error@+2 {{exception specification in declaration does not match previous declaration}}
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//expected-note@-2 {{previous declaration is here}}
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int __attribute__((cpu_specific(sandybridge))) diff_noexcept(void) noexcept(false);
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// FIXME: Add support for templates and virtual functions!
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// expected-error@+2 {{multiversioned functions do not yet support function templates}}
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template<typename T>
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int __attribute__((cpu_specific(atom))) foo(T) { return 0; }
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// expected-error@+2 {{multiversioned functions do not yet support function templates}}
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template<typename T>
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int __attribute__((cpu_specific(sandybridge))) foo2(T);
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struct S {
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// expected-error@+2 {{multiversioned functions do not yet support function templates}}
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template<typename T>
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int __attribute__((cpu_specific(atom))) foo(T) { return 0; }
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// expected-error@+2 {{multiversioned functions do not yet support function templates}}
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template<typename T>
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int __attribute__((cpu_dispatch(ivybridge))) foo2(T) {}
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// expected-error@+1 {{multiversioned functions do not yet support virtual functions}}
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virtual void __attribute__((cpu_specific(atom))) virt();
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};
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extern "C" {
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int __attribute__((cpu_specific(atom))) diff_mangle(void) { return 0; }
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}
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//expected-error@+1 {{multiversioned function declaration has a different linkage}}
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int __attribute__((cpu_specific(sandybridge))) diff_mangle(void) { return 0; }
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__attribute__((cpu_specific(atom))) void DiffDecl();
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namespace N {
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using ::DiffDecl;
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// expected-error@+3 {{declaration conflicts with target of using declaration already in scope}}
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// expected-note@-4 {{target of using declaration}}
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// expected-note@-3 {{using declaration}}
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__attribute__((cpu_dispatch(atom))) void DiffDecl();
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} // namespace N
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struct SpecialFuncs {
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// expected-error@+1 {{multiversioned functions do not yet support constructors}}
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__attribute__((cpu_specific(atom))) SpecialFuncs();
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// expected-error@+1 {{multiversioned functions do not yet support destructors}}
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__attribute__((cpu_specific(atom))) ~SpecialFuncs();
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// expected-error@+1 {{multiversioned functions do not yet support defaulted functions}}
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SpecialFuncs& __attribute__((cpu_specific(atom))) operator=(const SpecialFuncs&) = default;
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// expected-error@+1 {{multiversioned functions do not yet support deleted functions}}
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SpecialFuncs& __attribute__((cpu_specific(atom))) operator=(SpecialFuncs&&) = delete;
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};
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struct BadOutOfLine {
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int __attribute__((cpu_specific(atom, ivybridge))) foo(int);
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};
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int __attribute__((cpu_specific(atom, ivybridge))) BadOutOfLine::foo(int) { return 0; }
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// expected-error@+2 {{out-of-line definition of 'foo' does not match any declaration in 'BadOutOfLine'}}
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// expected-note@-2 {{member declaration nearly matches}}
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int __attribute__((cpu_specific(sandybridge))) BadOutOfLine::foo(int) { return 1; }
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// Ensure Cpp Spelling works.
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[[clang::cpu_specific(ivybridge,atom)]] int CppSpelling(){}
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// expected-error@+1 {{lambda cannot be declared 'cpu_dispatch'}}
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auto x = []() __attribute__((cpu_dispatch(atom))) {};
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