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/* { dg-do compile { target c99_runtime } } */
/* { dg-options "-O0 -fipa-icf -fdump-ipa-icf" } */
#include <complex.h>
typedef _Complex float COMPLEX_FLOAT;
__attribute__ ((noinline))
static float real_part(COMPLEX_FLOAT a)
{
return *(float*)(&a);
}
__attribute__ ((noinline))
static float real_part_2(COMPLEX_FLOAT a)
{
return ((float*)(&a))[0];
}
int main()
{
COMPLEX_FLOAT f = 1.0f + _Complex_I;
float r1 = real_part(f);
float r2 = real_part_2(f);
return r1 - r2;
}
/* { dg-final { scan-ipa-dump "Semantic equality hit:real_part_2->real_part" "icf" } } */
/* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf" } } */
/* { dg-final { cleanup-ipa-dump "icf" } } */
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