gcc/testsuite/g++.dg/opt/range-test-2.C

   1 // Test fold-const.c (fold_range_test) optimizations.
   2 // { dg-do run } */
   3 // { dg-options "-O2" } */
   4
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <limits.h>
   8
   9 #if (INT_MAX == 2147483647) && (INT_MIN == -2147483648) \
  10     && (SCHAR_MIN == -128) && (SCHAR_MAX == 127) \
  11     && (UCHAR_MIN == 0) && (UCHAR_MAX == 255)
  12
  13 #ifndef T
  14
  15 enum enum3
  16 {
  17   enum3_zero,
  18   enum3_one,
  19   enum3_two,
  20   enum3_three,
  21   enum3_four,
  22   enum3_five,
  23   enum3_six,
  24   enum3_seven
  25 };
  26
  27 int var;
  28 void
  29 check ()
  30 {
  31   ++var;
  32 }
  33
  34 #define T(IDX, TYPE, TEST, YESARR, NOARR)                               \
  35 void __attribute__((noinline))                                          \
  36 test##IDX (TYPE x)                                                      \
  37 {                                                                       \
  38   if (TEST)                                                             \
  39     check ();                                                           \
  40 }
  41 #include "range-test-2.C"
  42 #undef T
  43
  44 int
  45 main ()
  46 {
  47   int i, fails = 0;
  48
  49 #define C ,
  50 #define T(IDX, TYPE, TEST, YESARR, NOARR)                               \
  51   {                                                                     \
  52     static TYPE yesarr##IDX [] = YESARR;                                \
  53     static TYPE noarr##IDX [] = NOARR;                                  \
  54     for (i = 0; i < (int) (sizeof (yesarr##IDX) / sizeof (TYPE)); ++i)  \
  55       {                                                                 \
  56         var = 0;                                                        \
  57         test##IDX (yesarr##IDX [i]);                                    \
  58         if (var != 1)                                                   \
  59           printf ("test" #IDX " failed for yesarr [%u]\n", i), ++fails; \
  60       }                                                                 \
  61     var = 0;                                                            \
  62     for (i = 0; i < (int) (sizeof (noarr##IDX) / sizeof (TYPE)); ++i)   \
  63       {                                                                 \
  64         test##IDX (noarr##IDX [i]);                                     \
  65         if (var != 0)                                                   \
  66           printf ("test" #IDX " failed for noarr [%u]\n", i), ++fails;  \
  67       }                                                                 \
  68   }
  69 #include "range-test-2.C"
  70 #undef T
  71
  72   if (fails)
  73     abort ();
  74
  75   exit (0);
  76 }
  77
  78 #else
  79
  80 /* Use `C' instead of `,' below to separate array entries.  */
  81
  82 T(26, enum3, x == enum3_one || x == enum3_two || x == enum3_three,
  83   { enum3_one C enum3_two C enum3_three }, { enum3_zero C enum3_four
  84     C enum3_five C enum3_six C enum3_seven })
  85
  86 #endif
  87
  88 #else
  89
  90 int
  91 main (void)
  92 {
  93   return 0;
  94 }
  95
  96 #endif