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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dce2" } */
struct X { float array[4]; };
struct X a,b;
float foobar () {
float s = 0;
unsigned int d;
struct X c;
for (d=0; d<4; ++d)
c.array[d] = a.array[d] * b.array[d];
for (d=0; d<4; ++d)
s+=c.array[d];
return s;
}
/* The temporary structure should have been promoted to registers
by FRE after the loops have been unrolled by the early unrolling pass. */
/* { dg-final { scan-tree-dump-not "c\.array" "dce2" } } */
/* { dg-final { cleanup-tree-dump "dce2" } } */
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