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/* { dg-do compile { target c99_runtime } } */
/* { dg-options "-O2 -fdump-ipa-icf" } */
/* { dg-add-options c99_runtime } */
#include <complex.h>
#if (__SIZEOF_INT__ == __SIZEOF_FLOAT__)
typedef int intflt;
#elif (__SIZEOF_LONG__ == __SIZEOF_FLOAT__)
typedef long intflt;
#else
#error Add target support here for type that will union float size
#endif
static double test;
struct struktura
{
union
{
long i;
float f;
} u;
};
struct struktura sss;
struct X
{
int i;
union
{
intflt j;
intflt k;
float f;
} u;
};
__attribute__ ((noinline))
intflt foo(intflt j)
{
struct X a;
a.u.j = j;
a.u.f = a.u.f;
a.u.f = a.u.f;
a.u.j = a.u.j;
a.u.f = a.u.f;
return a.u.k;
}
__attribute__ ((noinline))
intflt foo2(intflt j)
{
struct X a;
a.u.j = j;
a.u.f = a.u.f;
a.u.f = a.u.f;
a.u.j = a.u.j;
a.u.f = a.u.f;
return a.u.k;
}
int main()
{
return 1;
}
/* { dg-final { scan-ipa-dump "Semantic equality hit:foo->foo2" "icf" } } */
/* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf" } } */
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