4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
//===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __negvdi2 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <stdio.h>
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// Returns: -a
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// Effects: aborts if -a overflows
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di_int __negvdi2(di_int a);
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int test__negvdi2(di_int a)
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{
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di_int x = __negvdi2(a);
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di_int expected = -a;
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if (x != expected)
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printf("error in __negvdi2(0x%llX) = %lld, expected %lld\n",
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a, x, expected);
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return x != expected;
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}
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int main()
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{
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// if (test__negvdi2(0x8000000000000000LL)) // should abort
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// return 1;
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if (test__negvdi2(0x0000000000000000LL))
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return 1;
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if (test__negvdi2(0x0000000000000001LL))
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return 1;
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if (test__negvdi2(0x0000000000000002LL))
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return 1;
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if (test__negvdi2(0x7FFFFFFFFFFFFFFELL))
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return 1;
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if (test__negvdi2(0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__negvdi2(0x8000000000000001LL))
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return 1;
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if (test__negvdi2(0x8000000000000002LL))
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return 1;
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if (test__negvdi2(0xFFFFFFFFFFFFFFFELL))
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return 1;
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if (test__negvdi2(0xFFFFFFFFFFFFFFFFLL))
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return 1;
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return 0;
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}
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