blob: a976578845229d61b2ddc3e7aaf82cf5377e7d58 [file] [log] [blame]
// RUN: %clang_cc1 -mms-bitfields -fsyntax-only -verify -triple x86_64-apple-darwin9 %s
// RUN: %clang_cc1 -mms-bitfields -fsyntax-only -Wms-bitfield-padding -verify=checkms -triple x86_64-apple-darwin9 %s
// expected-no-diagnostics
// The -mms-bitfields commandline parameter should behave the same
// as the ms_struct attribute.
struct
{
int a : 1; // #a
short b : 1;
// checkms-warning@-1 {{bit-field 'b' of type 'short' has a different storage size than the preceding bit-field (2 vs 4 bytes) and will not be packed under the Microsoft ABI}}
// checkms-note@#a {{preceding bit-field 'a' declared here with type 'int'}}
} t;
// MS pads out bitfields between different types.
static int arr[(sizeof(t) == 8) ? 1 : -1];
#pragma pack (push,1)
typedef unsigned int UINT32;
struct Inner {
UINT32 A : 1;
UINT32 B : 1;
UINT32 C : 1;
UINT32 D : 30;
} Inner;
#pragma pack (pop)
static int arr2[(sizeof(Inner) == 8) ? 1 : -1];