60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-gimple -fdump-tree-optimized" } */
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extern void f(int);
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extern void link_error ();
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extern float x;
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extern double y;
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extern long double z;
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int
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main ()
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{
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double nan = __builtin_nan ("");
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#ifndef __SPU__
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/* The SPU single-precision floating point format does not support NANs. */
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float nanf = __builtin_nanf ("");
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#endif
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long double nanl = __builtin_nanl ("");
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if (!__builtin_isnan (nan))
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link_error ();
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#ifndef __SPU__
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if (!__builtin_isnan (nanf))
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link_error ();
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if (!__builtin_isnanf (nanf))
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link_error ();
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#endif
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if (!__builtin_isnan (nanl))
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link_error ();
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if (!__builtin_isnanl (nanl))
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link_error ();
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if (__builtin_isnan (4.0))
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link_error ();
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if (__builtin_isnan (4.0))
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link_error ();
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if (__builtin_isnanf (4.0))
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link_error ();
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if (__builtin_isnan (4.0))
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link_error ();
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if (__builtin_isnanl (4.0))
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link_error ();
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f (__builtin_isnan (x));
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f (__builtin_isnan (y));
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f (__builtin_isnanf (y));
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f (__builtin_isnan (z));
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f (__builtin_isnanl (z));
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}
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/* Check that all instances of __builtin_isnan were folded. */
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/* { dg-final { scan-tree-dump-times "isnan" 0 "gimple" } } */
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/* { dg-final { cleanup-tree-dump "gimple" } } */
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/* Check that all instances of link_error were subject to DCE. */
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/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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