forked from OSchip/llvm-project
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
//===-- absvsi2_test.c - Test __absvsi2 -----------------------------------===//
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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 __absvsi2 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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#include <stdlib.h>
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// Returns: absolute value
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// Effects: aborts if abs(x) < 0
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COMPILER_RT_ABI si_int __absvsi2(si_int a);
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int test__absvsi2(si_int a)
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{
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si_int x = __absvsi2(a);
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si_int expected = a;
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if (expected < 0)
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expected = -expected;
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if (x != expected || expected < 0)
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printf("error in __absvsi2(0x%X) = %d, expected positive %d\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__absvsi2(0x80000000)) // should abort
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// return 1;
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if (test__absvsi2(0x00000000))
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return 1;
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if (test__absvsi2(0x00000001))
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return 1;
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if (test__absvsi2(0x00000002))
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return 1;
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if (test__absvsi2(0x7FFFFFFE))
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return 1;
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if (test__absvsi2(0x7FFFFFFF))
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return 1;
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if (test__absvsi2(0x80000001))
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return 1;
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if (test__absvsi2(0x80000002))
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return 1;
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if (test__absvsi2(0xFFFFFFFE))
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return 1;
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if (test__absvsi2(0xFFFFFFFF))
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return 1;
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int i;
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for (i = 0; i < 10000; ++i)
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if (test__absvsi2(rand()))
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return 1;
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return 0;
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}
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