clang/test/CodeGen/ms_struct-bitfield-1.c

   1 // RUN: %clang_cc1 -emit-llvm-only  -triple x86_64-apple-darwin9 %s
   2
   3 #define ATTR __attribute__((__ms_struct__))
   4
   5 struct {
   6   unsigned int bf_1 : 12;
   7   unsigned int : 0;
   8   unsigned int bf_2 : 12;
   9 } ATTR t1;
  10 static int a1[(sizeof(t1) == 8) -1];
  11
  12 struct
  13 {
  14   char foo : 4;
  15   short : 0;
  16   char bar;
  17 } ATTR t2;
  18 static int a2[(sizeof(t2) == 4) -1];
  19
  20 #pragma ms_struct on
  21 struct
  22 {
  23   char foo : 4;
  24   short : 0;
  25   char bar;
  26 } t3;
  27 #pragma ms_struct off
  28 static int a3[(sizeof(t3) == 4) -1];
  29
  30 struct
  31 {
  32   char foo : 6;
  33   long : 0;
  34 } ATTR t4;
  35 static int a4[(sizeof(t4) == 8) -1];
  36
  37 struct
  38 {
  39   char foo : 4;
  40   short : 0;
  41   char bar : 8;
  42 } ATTR t5;
  43 static int a5[(sizeof(t5) == 4) -1];
  44
  45 struct
  46 {
  47   char foo : 4;
  48   short : 0;
  49   long  : 0;
  50   char bar;
  51 } ATTR t6;
  52 static int a6[(sizeof(t6) == 4) -1];
  53
  54 struct
  55 {
  56   char foo : 4;
  57   long  : 0;
  58   short : 0;
  59   char bar;
  60 } ATTR t7;
  61 static int a7[(sizeof(t7) == 16) -1];
  62
  63 struct
  64 {
  65   char foo : 4;
  66   short : 0;
  67   long  : 0;
  68   char bar:7;
  69 } ATTR t8;
  70 static int a8[(sizeof(t8) == 4) -1];
  71
  72 struct
  73 {
  74   char foo : 4;
  75   long  : 0;
  76   short : 0;
  77   char bar: 8;
  78 } ATTR t9;
  79 static int a9[(sizeof(t9) == 16) -1];
  80
  81 struct
  82 {
  83   char foo : 4;
  84   char : 0;
  85   short : 0;
  86   int : 0;
  87   long  :0;
  88   char bar;
  89 } ATTR t10;
  90 static int a10[(sizeof(t10) == 2) -1];