1 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin9 -fms-extensions %s -DHAVE
2 // RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu -fms-extensions %s -DHAVE_NOT
3
4 #ifdef HAVE
5 typedef int i128 __attribute__((__mode__(TI)));
6 typedef unsigned u128 __attribute__((__mode__(TI)));
7
8 int a[((i128)-1 ^ (i128)-2) == 1 ? 1 : -1];
9 int a[(u128)-1 > 1LL ? 1 : -1];
10 int a[__SIZEOF_INT128__ == 16 ? 1 : -1];
11
12 // PR5435
13 __uint128_t b = (__uint128_t)-1;
14
15 // PR11916: Support for libstdc++ 4.7
16 __int128 i = (__int128)0;
17 unsigned __int128 u = (unsigned __int128)-1;
18
19 long long SignedTooBig = 123456789012345678901234567890; // expected-error {{constant is larger than the largest unsigned integer type}}
20 __int128_t Signed128 = 123456789012345678901234567890i128;
21 long long Signed64 = 123456789012345678901234567890i128; // expected-warning {{implicit conversion from '__int128' to 'long long' changes value from 123456789012345678901234567890 to -4362896299872285998}}
22 unsigned long long UnsignedTooBig = 123456789012345678901234567890; // expected-error {{constant is larger than the largest unsigned integer type}}
23 __uint128_t Unsigned128 = 123456789012345678901234567890Ui128;
24 unsigned long long Unsigned64 = 123456789012345678901234567890Ui128; // expected-warning {{implicit conversion from 'unsigned __int128' to 'unsigned long long' changes value from 123456789012345678901234567890 to 14083847773837265618}}
25
26 // Ensure we don't crash when user passes 128-bit values to type safety
27 // attributes.
28 void pointer_with_type_tag_arg_num_1(void *buf, int datatype)
29 __attribute__(( pointer_with_type_tag(mpi,0x10000000000000001i128,1) )); // expected-error {{attribute parameter 2 is out of bounds}}
30
31 void pointer_with_type_tag_arg_num_2(void *buf, int datatype)
32 __attribute__(( pointer_with_type_tag(mpi,1,0x10000000000000001i128) )); // expected-error {{attribute parameter 3 is out of bounds}}
33
34 void MPI_Send(void *buf, int datatype) __attribute__(( pointer_with_type_tag(mpi,1,2) ));
35
36 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}}
37 static const int mpi_int __attribute__(( type_tag_for_datatype(mpi,int) )) = 10;
38
test(int * buf)39 void test(int *buf)
40 {
41 MPI_Send(buf, 0x10000000000000001i128); // expected-warning {{implicit conversion from '__int128' to 'int' changes value}}
42 }
43 #else
44
45 __int128 n; // expected-error {{__int128 is not supported on this target}}
46
47 #if defined(__SIZEOF_INT128__)
48 #error __SIZEOF_INT128__ should not be defined
49 #endif
50
51 #endif
52