xref: /aosp_15_r20/external/clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm %s -o -
2*67e74705SXin Li 
3*67e74705SXin Li 
4*67e74705SXin Li #ifdef PACKED
5*67e74705SXin Li // This is an example where size of Packed struct is smaller then
6*67e74705SXin Li // the size of bit field type.
7*67e74705SXin Li #define P __attribute__((packed))
8*67e74705SXin Li #else
9*67e74705SXin Li #define P
10*67e74705SXin Li #endif
11*67e74705SXin Li 
12*67e74705SXin Li struct P M_Packed {
13*67e74705SXin Li   unsigned long long X:50;
14*67e74705SXin Li   unsigned Y:2;
15*67e74705SXin Li };
16*67e74705SXin Li 
17*67e74705SXin Li struct M_Packed sM_Packed;
18*67e74705SXin Li 
testM_Packed(void)19*67e74705SXin Li int testM_Packed (void) {
20*67e74705SXin Li   struct M_Packed x;
21*67e74705SXin Li   return (0 != x.Y);
22*67e74705SXin Li }
23*67e74705SXin Li 
testM_Packed2(void)24*67e74705SXin Li int testM_Packed2 (void) {
25*67e74705SXin Li   struct M_Packed x;
26*67e74705SXin Li   return (0 != x.X);
27*67e74705SXin Li }
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