forked from OSchip/llvm-project
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
//===-- subvsi3_test.c - Test __subvsi3 -----------------------------------===//
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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 __subvsi3 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: a - b
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// Effects: aborts if a - b overflows
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COMPILER_RT_ABI si_int __subvsi3(si_int a, si_int b);
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int test__subvsi3(si_int a, si_int b)
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{
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si_int x = __subvsi3(a, b);
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si_int expected = a - b;
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if (x != expected)
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printf("error in test__subvsi3(0x%X, 0x%X) = %d, expected %d\n",
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a, b, 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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// test__subvsi3(0x80000000, 1); // should abort
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// test__subvsi3(0, 0x80000000); // should abort
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// test__subvsi3(1, 0x80000000); // should abort
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// test__subvsi3(0x7FFFFFFF, -1); // should abort
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// test__subvsi3(-2, 0x7FFFFFFF); // should abort
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if (test__subvsi3(0x80000000, -1))
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return 1;
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if (test__subvsi3(0x80000000, 0))
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return 1;
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if (test__subvsi3(-1, 0x80000000))
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return 1;
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if (test__subvsi3(0x7FFFFFFF, 1))
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return 1;
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if (test__subvsi3(0x7FFFFFFF, 0))
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return 1;
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if (test__subvsi3(1, 0x7FFFFFFF))
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return 1;
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if (test__subvsi3(0, 0x7FFFFFFF))
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return 1;
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if (test__subvsi3(-1, 0x7FFFFFFF))
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return 1;
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return 0;
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}
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