forked from OSchip/llvm-project
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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//===-- divsi3_test.c - Test __divsi3 -------------------------------------===//
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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 __divsi3 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 / b
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COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
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int test__divsi3(si_int a, si_int b, si_int expected)
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{
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si_int x = __divsi3(a, b);
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if (x != expected)
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printf("error in __divsi3: %d / %d = %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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if (test__divsi3(0, 1, 0))
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return 1;
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if (test__divsi3(0, -1, 0))
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return 1;
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if (test__divsi3(2, 1, 2))
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return 1;
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if (test__divsi3(2, -1, -2))
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return 1;
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if (test__divsi3(-2, 1, -2))
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return 1;
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if (test__divsi3(-2, -1, 2))
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return 1;
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if (test__divsi3(0x80000000, 1, 0x80000000))
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return 1;
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if (test__divsi3(0x80000000, -1, 0x80000000))
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return 1;
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if (test__divsi3(0x80000000, -2, 0x40000000))
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return 1;
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if (test__divsi3(0x80000000, 2, 0xC0000000))
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return 1;
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return 0;
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}
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