62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/* Copyright (C) 1999 Free Software Foundation, Inc.
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Contributed by Nathan Sidwell 20 Jan 1999 <nathan@acm.org> */
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/* check range combining boolean operations work */
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extern void abort();
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#define N 77
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void func(int i)
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{
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/* fold-const does some clever things with range tests. Make sure
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we get (some of) them right */
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/* these must fail, regardless of the value of i */
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if ((i < 0) && (i >= 0))
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abort();
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if ((i > 0) && (i <= 0))
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abort();
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if ((i >= 0) && (i < 0))
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abort();
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if ((i <= 0) && (i > 0))
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abort();
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if ((i < N) && (i >= N))
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abort();
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if ((i > N) && (i <= N))
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abort();
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if ((i >= N) && (i < N))
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abort();
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if ((i <= N) && (i > N))
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abort();
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/* these must pass, regardless of the value of i */
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if (! ((i < 0) || (i >= 0)))
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abort();
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if (! ((i > 0) || (i <= 0)))
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abort();
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if (! ((i >= 0) || (i < 0)))
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abort();
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if (! ((i <= 0) || (i > 0)))
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abort();
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if (! ((i < N) || (i >= N)))
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abort();
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if (! ((i > N) || (i <= N)))
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abort();
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if (! ((i >= N) || (i < N)))
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abort();
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if (! ((i <= N) || (i > N)))
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abort();
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return;
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}
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int main()
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{
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func(0);
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func(1);
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return 0;
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}
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