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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-36.c] - Rev 826

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/* { 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" } } */
 

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