src/llvm/tools/clang/test/CodeGen/ms_struct-bitfield-1.c

   1 // RUN: %clang_cc1 -emit-llvm-only  -triple x86_64-apple-darwin9 %s
   2 // rdar://8823265
   3
   4 #define ATTR __attribute__((__ms_struct__))
   5
   6 struct {
   7   unsigned int bf_1 : 12;
   8   unsigned int : 0;
   9   unsigned int bf_2 : 12;
  10 } ATTR t1;
  11 static int a1[(sizeof(t1) == 8) -1];
  12
  13 struct
  14 {
  15   char foo : 4;
  16   short : 0;
  17   char bar;
  18 } ATTR t2;
  19 static int a2[(sizeof(t2) == 4) -1];
  20
  21 #pragma ms_struct on
  22 struct
  23 {
  24   char foo : 4;
  25   short : 0;
  26   char bar;
  27 } t3;
  28 #pragma ms_struct off
  29 static int a3[(sizeof(t3) == 4) -1];
  30
  31 struct
  32 {
  33   char foo : 6;
  34   long : 0;
  35 } ATTR t4;
  36 static int a4[(sizeof(t4) == 8) -1];
  37
  38 struct
  39 {
  40   char foo : 4;
  41   short : 0;
  42   char bar : 8;
  43 } ATTR t5;
  44 static int a5[(sizeof(t5) == 4) -1];
  45
  46 struct
  47 {
  48   char foo : 4;
  49   short : 0;
  50   long  : 0;
  51   char bar;
  52 } ATTR t6;
  53 static int a6[(sizeof(t6) == 4) -1];
  54
  55 struct
  56 {
  57   char foo : 4;
  58   long  : 0;
  59   short : 0;
  60   char bar;
  61 } ATTR t7;
  62 static int a7[(sizeof(t7) == 16) -1];
  63
  64 struct
  65 {
  66   char foo : 4;
  67   short : 0;
  68   long  : 0;
  69   char bar:7;
  70 } ATTR t8;
  71 static int a8[(sizeof(t8) == 4) -1];
  72
  73 struct
  74 {
  75   char foo : 4;
  76   long  : 0;
  77   short : 0;
  78   char bar: 8;
  79 } ATTR t9;
  80 static int a9[(sizeof(t9) == 16) -1];
  81
  82 struct
  83 {
  84   char foo : 4;
  85   char : 0;
  86   short : 0;
  87   int : 0;
  88   long  :0;
  89   char bar;
  90 } ATTR t10;
  91 static int a10[(sizeof(t10) == 2) -1];