23 lines
552 B
C
23 lines
552 B
C
/* { dg-do compile } */
|
|
/* { dg-options "-O2 -fdump-tree-dce2" } */
|
|
|
|
struct X { float array[2]; };
|
|
|
|
struct X a,b;
|
|
|
|
float foobar () {
|
|
float s = 0;
|
|
unsigned int d;
|
|
struct X c;
|
|
for (d=0; d<2; ++d)
|
|
c.array[d] = a.array[d] * b.array[d];
|
|
for (d=0; d<2; ++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" } } */
|