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5055dfcf4a
There is currently no support in MSVC for using i128 as an integer literal suffix. In fact, there appears to be no evidence that they have ever supported this feature in any of their compilers. This was an over generalization of their actual feature and is a nasty source of bugs. Why is it a source of bugs? Because most code in clang expects that evaluation of an integer constant expression won't give them something that 'long long' can't represent. Instead of providing a meaningful feature, i128 gives us cute ways of exploding the compiler. llvm-svn: 243243
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin9 %s -DHAVE
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// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu %s -DHAVE_NOT
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#ifdef HAVE
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typedef int i128 __attribute__((__mode__(TI)));
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typedef unsigned u128 __attribute__((__mode__(TI)));
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int a[((i128)-1 ^ (i128)-2) == 1 ? 1 : -1];
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int a[(u128)-1 > 1LL ? 1 : -1];
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int a[__SIZEOF_INT128__ == 16 ? 1 : -1];
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// PR5435
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__uint128_t b = (__uint128_t)-1;
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// PR11916: Support for libstdc++ 4.7
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__int128 i = (__int128)0;
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unsigned __int128 u = (unsigned __int128)-1;
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long long SignedTooBig = 123456789012345678901234567890; // expected-error {{integer literal is too large to be represented in any integer type}}
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unsigned long long UnsignedTooBig = 123456789012345678901234567890; // expected-error {{integer literal is too large to be represented in any integer type}}
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void MPI_Send(void *buf, int datatype) __attribute__(( pointer_with_type_tag(mpi,1,2) ));
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static const int mpi_int __attribute__(( type_tag_for_datatype(mpi,int) )) = 10;
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void test(int *buf)
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{
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}
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#else
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__int128 n; // expected-error {{__int128 is not supported on this target}}
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#if defined(__SIZEOF_INT128__)
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#error __SIZEOF_INT128__ should not be defined
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#endif
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#endif
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