[Bug tree-optimization/18694] [4.0 regression] loop miscompilation at -O1 (-ftree-ch)

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-04 17:43 -------
DOM is defintely messing it up

before
if (d_2 > tmp_14) goto <L1>; else goto <L3>;
after:
if (t_6 < d_8) goto <L1>; else goto <L3>;

the comparision changed

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18694