clang/test/PCH/stmts.h

   1 // Header for PCH test stmts.c
   2
   3 void f0(int x) {
   4   // NullStmt
   5   ;
   6   // IfStmt
   7   if (x) {
   8   } else if (x + 1) {
   9   }
  10
  11   switch (x) {
  12   case 0:
  13     x = 17;
  14     break;
  15
  16   case 1:
  17     break;
  18
  19   default:
  20     switch (x >> 1) {
  21     case 7:
  22       // fall through
  23     case 9:
  24       break;
  25     }
  26     x += 2;
  27     break;
  28   }
  29
  30   while (x > 20) {
  31     if (x > 30) {
  32       --x;
  33       continue;
  34     } else if (x < 5)
  35       break;
  36     else
  37       goto done;
  38   }
  39
  40   do {
  41     x++;
  42   } while (x < 10);
  43
  44  almost_done:
  45   for (int y = x; y < 20; ++y) {
  46     if (x + y == 12)
  47       return;
  48     else if (x - y == 7)
  49       goto almost_done;
  50   }
  51
  52  done:
  53   x = x + 2;
  54
  55   int z = x, *y, j = 5;
  56 }
  57
  58 int f1(int x) {
  59   switch (x) {
  60   case 17:
  61     return 12;
  62
  63   default:
  64     break;
  65   }
  66
  67   // variable-length array
  68   int array[x * 17 + 3];
  69
  70   return x*2;
  71 }
  72
  73 const char* what_is_my_name(void) { return __func__; }
  74
  75 int computed_goto(int x) {
  76  start:
  77   x = x << 1;
  78   void *location = &&start;
  79
  80   if (x > 17)
  81     location = &&done;
  82
  83   while (x > 12) {
  84     --x;
  85     if (x == 15)
  86       goto *location;
  87   }
  88
  89   done:
  90   return 5;
  91 }
  92
  93 #define maxint(a,b) ({int _a = (a), _b = (b); _a > _b ? _a : _b; })
  94 int weird_max(int x, int y) {
  95   return maxint(++x, --y);
  96 }