forked from OSchip/llvm-project
52 lines
2.6 KiB
C
52 lines
2.6 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin9 -fms-extensions %s -DHAVE
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// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu -fms-extensions %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 {{constant is larger than the largest unsigned integer type}}
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__int128_t Signed128 = 123456789012345678901234567890i128;
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long long Signed64 = 123456789012345678901234567890i128; // expected-warning {{implicit conversion from '__int128' to 'long long' changes value from 123456789012345678901234567890 to -4362896299872285998}}
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unsigned long long UnsignedTooBig = 123456789012345678901234567890; // expected-error {{constant is larger than the largest unsigned integer type}}
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__uint128_t Unsigned128 = 123456789012345678901234567890Ui128;
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unsigned long long Unsigned64 = 123456789012345678901234567890Ui128; // expected-warning {{implicit conversion from 'unsigned __int128' to 'unsigned long long' changes value from 123456789012345678901234567890 to 14083847773837265618}}
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// Ensure we don't crash when user passes 128-bit values to type safety
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// attributes.
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void pointer_with_type_tag_arg_num_1(void *buf, int datatype)
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__attribute__(( pointer_with_type_tag(mpi,0x10000000000000001i128,1) )); // expected-error {{attribute parameter 2 is out of bounds}}
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void pointer_with_type_tag_arg_num_2(void *buf, int datatype)
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__attribute__(( pointer_with_type_tag(mpi,1,0x10000000000000001i128) )); // expected-error {{attribute parameter 3 is out of bounds}}
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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 __uint128_t mpi_int_wrong __attribute__(( type_tag_for_datatype(mpi,int) )) = 0x10000000000000001i128; // expected-error {{'type_tag_for_datatype' attribute requires the initializer to be an integer constant expression that can be represented by a 64 bit integer}}
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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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MPI_Send(buf, 0x10000000000000001i128); // expected-warning {{implicit conversion from '__int128' to 'int' changes value}}
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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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