[Bug tree-optimization/21591] not vectorizing a loop with access to structs

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-14 
03:20 -------
Hmm, the aliasing info is good:
  #   VUSE <HEAP.46_141>;
  D.1618_13 = b_5->a1[i_66]; 
  #   VUSE <HEAP.47_142>;
  D.1619_15 = c_7->a1[i_66]; 
  D.1620_16 = D.1618_13 + D.1619_15;
  #   HEAP.45_143 = V_MAY_DEF <HEAP.45_126>;
  a_3->a1[i_66] = D.1620_16;

So someone is not looking at that.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21591