diff options
Diffstat (limited to 'clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp')
-rw-r--r-- | clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp b/clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp new file mode 100644 index 0000000..b31f95f --- /dev/null +++ b/clang/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 -emit-llvm %s -o - + + +#ifdef PACKED +// This is an example where size of Packed struct is smaller then +// the size of bit field type. +#define P __attribute__((packed)) +#else +#define P +#endif + +struct P M_Packed { + unsigned long long X:50; + unsigned Y:2; +}; + +struct M_Packed sM_Packed; + +int testM_Packed (void) { + struct M_Packed x; + return (0 != x.Y); +} + +int testM_Packed2 (void) { + struct M_Packed x; + return (0 != x.X); +} |