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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-optimized" } */
struct vec_char_16
{
unsigned char raw[2];
};
static inline struct vec_char_16
Dup128VecFromValues(unsigned char t0, unsigned char t1)
{
struct vec_char_16 result;
result.raw[0] = t0;
result.raw[1] = t1;
return result;
}
int f(unsigned char t0, unsigned char t1)
{
struct vec_char_16 a = Dup128VecFromValues(t0, t1);
struct vec_char_16 b;
__builtin_memcpy(&b, &a, sizeof(a));
return b.raw[0] + b.raw[1];
}
/* Ideally we'd optimize this at FRE1 time but we only replace
the loads from b.raw[] with BIT_FIELD_REFs which get optimized
only later in the next FRE. */
/* { dg-final { scan-tree-dump-not "MEM" "optimized" } } */
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