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/* { dg-do compile } */
/* { dg-options "-O2 -fno-trapping-math -fdump-tree-ifcombine" } */
void f ();
enum Sign { NEG=-1, ZERO, POS };
static inline enum Sign sign (double x)
{
if (x > 0) return POS;
if (x < 0) return NEG;
return ZERO;
}
void g (double x)
{
if (sign (x) == NEG) f();
}
/* The above should be optimized to x < 0 by ifcombine.
The transformation would also be legal with -ftrapping-math. */
/* { dg-final { scan-tree-dump "optimizing.* < " "ifcombine" } } */
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