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

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 //===-- ashldi3_test.c - Test __ashldi3 -----------------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file tests __ashldi3 for the compiler_rt library.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "int_lib.h"
  16 #include <stdio.h>
  17
  18 // Returns: a << b
  19
  20 // Precondition:  0 <= b < bits_in_dword
  21
  22 COMPILER_RT_ABI di_int __ashldi3(di_int a, si_int b);
  23
  24 int test__ashldi3(di_int a, si_int b, di_int expected)
  25 {
  26     di_int x = __ashldi3(a, b);
  27     if (x != expected)
  28         printf("error in __ashldi3: %llX << %d = %llX, expected %llX\n",
  29                a, b, __ashldi3(a, b), expected);
  30     return x != expected;
  31 }
  32
  33 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
  34
  35 int main()
  36 {
  37     if (test__ashldi3(0x0123456789ABCDEFLL, 0, 0x123456789ABCDEFLL))
  38         return 1;
  39     if (test__ashldi3(0x0123456789ABCDEFLL, 1, 0x2468ACF13579BDELL))
  40         return 1;
  41     if (test__ashldi3(0x0123456789ABCDEFLL, 2, 0x48D159E26AF37BCLL))
  42         return 1;
  43     if (test__ashldi3(0x0123456789ABCDEFLL, 3, 0x91A2B3C4D5E6F78LL))
  44         return 1;
  45     if (test__ashldi3(0x0123456789ABCDEFLL, 4, 0x123456789ABCDEF0LL))
  46         return 1;
  47
  48     if (test__ashldi3(0x0123456789ABCDEFLL, 28, 0x789ABCDEF0000000LL))
  49         return 1;
  50     if (test__ashldi3(0x0123456789ABCDEFLL, 29, 0xF13579BDE0000000LL))
  51         return 1;
  52     if (test__ashldi3(0x0123456789ABCDEFLL, 30, 0xE26AF37BC0000000LL))
  53         return 1;
  54     if (test__ashldi3(0x0123456789ABCDEFLL, 31, 0xC4D5E6F780000000LL))
  55         return 1;
  56
  57     if (test__ashldi3(0x0123456789ABCDEFLL, 32, 0x89ABCDEF00000000LL))
  58         return 1;
  59
  60     if (test__ashldi3(0x0123456789ABCDEFLL, 33, 0x13579BDE00000000LL))
  61         return 1;
  62     if (test__ashldi3(0x0123456789ABCDEFLL, 34, 0x26AF37BC00000000LL))
  63         return 1;
  64     if (test__ashldi3(0x0123456789ABCDEFLL, 35, 0x4D5E6F7800000000LL))
  65         return 1;
  66     if (test__ashldi3(0x0123456789ABCDEFLL, 36, 0x9ABCDEF000000000LL))
  67         return 1;
  68
  69     if (test__ashldi3(0x0123456789ABCDEFLL, 60, 0xF000000000000000LL))
  70         return 1;
  71     if (test__ashldi3(0x0123456789ABCDEFLL, 61, 0xE000000000000000LL))
  72         return 1;
  73     if (test__ashldi3(0x0123456789ABCDEFLL, 62, 0xC000000000000000LL))
  74         return 1;
  75     if (test__ashldi3(0x0123456789ABCDEFLL, 63, 0x8000000000000000LL))
  76         return 1;
  77     return 0;
  78 }