c9bd88e681
This makes the C++ ABI depend entirely on the target: MS ABI for -win32 triples, Itanium otherwise. It's no longer possible to do weird combinations. To be able to run a test with a specific ABI without constraining it to a specific triple, new substitutions are added to lit: %itanium_abi_triple and %ms_abi_triple can be used to get the current target triple adjusted to the desired ABI. For example, if the test suite is running with the i686-pc-win32 target, %itanium_abi_triple will expand to i686-pc-mingw32. Differential Revision: http://llvm-reviews.chandlerc.com/D2545 llvm-svn: 199250
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple %itanium_abi_triple %s -S -emit-llvm -o - | FileCheck %s
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// PR4262
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// CHECK-NOT: _ZNSs12_S_constructIPKcEEPcT_S3_RKSaIcESt20forward_iterator_tag
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// The "basic_string" extern template instantiation declaration is supposed to
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// suppress the implicit instantiation of non-inline member functions. Make sure
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// that we suppress the implicit instantiation of non-inline member functions
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// defined out-of-line. That we aren't instantiating the basic_string
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// constructor when we shouldn't be. Such an instantiation forces the implicit
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// instantiation of _S_construct<const char*>. Since _S_construct is a member
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// template, it's instantiation is *not* suppressed (despite being in
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// basic_string<char>), so we would emit it as a weak definition.
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#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
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#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
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#define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
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#if (__has_feature(cxx_noexcept))
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# define _NOEXCEPT noexcept
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# define _NOEXCEPT_(x) noexcept(x)
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#else
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# define _NOEXCEPT throw()
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# define _NOEXCEPT_(x)
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#endif
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namespace std // purposefully not using versioning namespace
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{
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template<class charT> struct char_traits;
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template<class T> class allocator;
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template <class _CharT,
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class _Traits = char_traits<_CharT>,
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class _Allocator = allocator<_CharT> >
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class _LIBCPP_VISIBLE basic_string;
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typedef basic_string<char, char_traits<char>, allocator<char> > string;
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class _LIBCPP_EXCEPTION_ABI exception
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{
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public:
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_LIBCPP_INLINE_VISIBILITY exception() _NOEXCEPT {}
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virtual ~exception() _NOEXCEPT;
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virtual const char* what() const _NOEXCEPT;
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};
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class _LIBCPP_EXCEPTION_ABI runtime_error
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: public exception
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{
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private:
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void* __imp_;
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public:
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explicit runtime_error(const string&);
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explicit runtime_error(const char*);
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runtime_error(const runtime_error&) _NOEXCEPT;
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runtime_error& operator=(const runtime_error&) _NOEXCEPT;
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virtual ~runtime_error() _NOEXCEPT;
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virtual const char* what() const _NOEXCEPT;
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};
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}
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void dummysymbol() {
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throw(std::runtime_error("string"));
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}
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