compiler-rt/test/builtins/Unit/ashldi3_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_ashldi3
   3
   4 #include "int_lib.h"
   5 #include <stdio.h>
   6
   7 // Returns: a << b
   8
   9 // Precondition:  0 <= b < bits_in_dword
  10
  11 COMPILER_RT_ABI di_int __ashldi3(di_int a, int b);
  12
  13 int test__ashldi3(di_int a, int b, di_int expected)
  14 {
  15     di_int x = __ashldi3(a, b);
  16     if (x != expected)
  17         printf("error in __ashldi3: %llX << %d = %llX, expected %llX\n",
  18                a, b, __ashldi3(a, b), expected);
  19     return x != expected;
  20 }
  21
  22 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
  23
  24 int main()
  25 {
  26     if (test__ashldi3(0x0123456789ABCDEFLL, 0, 0x123456789ABCDEFLL))
  27         return 1;
  28     if (test__ashldi3(0x0123456789ABCDEFLL, 1, 0x2468ACF13579BDELL))
  29         return 1;
  30     if (test__ashldi3(0x0123456789ABCDEFLL, 2, 0x48D159E26AF37BCLL))
  31         return 1;
  32     if (test__ashldi3(0x0123456789ABCDEFLL, 3, 0x91A2B3C4D5E6F78LL))
  33         return 1;
  34     if (test__ashldi3(0x0123456789ABCDEFLL, 4, 0x123456789ABCDEF0LL))
  35         return 1;
  36
  37     if (test__ashldi3(0x0123456789ABCDEFLL, 28, 0x789ABCDEF0000000LL))
  38         return 1;
  39     if (test__ashldi3(0x0123456789ABCDEFLL, 29, 0xF13579BDE0000000LL))
  40         return 1;
  41     if (test__ashldi3(0x0123456789ABCDEFLL, 30, 0xE26AF37BC0000000LL))
  42         return 1;
  43     if (test__ashldi3(0x0123456789ABCDEFLL, 31, 0xC4D5E6F780000000LL))
  44         return 1;
  45
  46     if (test__ashldi3(0x0123456789ABCDEFLL, 32, 0x89ABCDEF00000000LL))
  47         return 1;
  48
  49     if (test__ashldi3(0x0123456789ABCDEFLL, 33, 0x13579BDE00000000LL))
  50         return 1;
  51     if (test__ashldi3(0x0123456789ABCDEFLL, 34, 0x26AF37BC00000000LL))
  52         return 1;
  53     if (test__ashldi3(0x0123456789ABCDEFLL, 35, 0x4D5E6F7800000000LL))
  54         return 1;
  55     if (test__ashldi3(0x0123456789ABCDEFLL, 36, 0x9ABCDEF000000000LL))
  56         return 1;
  57
  58     if (test__ashldi3(0x0123456789ABCDEFLL, 60, 0xF000000000000000LL))
  59         return 1;
  60     if (test__ashldi3(0x0123456789ABCDEFLL, 61, 0xE000000000000000LL))
  61         return 1;
  62     if (test__ashldi3(0x0123456789ABCDEFLL, 62, 0xC000000000000000LL))
  63         return 1;
  64     if (test__ashldi3(0x0123456789ABCDEFLL, 63, 0x8000000000000000LL))
  65         return 1;
  66     return 0;
  67 }