derek.holloway
7502bf64a4
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56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_absvdi2
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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 di_int __absvdi2(di_int a);
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int test__absvdi2(di_int a)
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{
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di_int x = __absvdi2(a);
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di_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 __absvdi2(0x%llX) = %lld, expected positive %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__absvdi2(0x8000000000000000LL)) // should abort
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// return 1;
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if (test__absvdi2(0x0000000000000000LL))
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return 1;
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if (test__absvdi2(0x0000000000000001LL))
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return 1;
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if (test__absvdi2(0x0000000000000002LL))
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return 1;
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if (test__absvdi2(0x7FFFFFFFFFFFFFFELL))
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return 1;
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if (test__absvdi2(0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__absvdi2(0x8000000000000001LL))
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return 1;
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if (test__absvdi2(0x8000000000000002LL))
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return 1;
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if (test__absvdi2(0xFFFFFFFFFFFFFFFELL))
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return 1;
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if (test__absvdi2(0xFFFFFFFFFFFFFFFFLL))
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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__absvdi2(((di_int)rand() << 32) | rand()))
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return 1;
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return 0;
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}
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