[Bug tree-optimization/18046] Missed jump threading optimization

[pinskia at gcc dot gnu dot org]

------- Comment #10 from pinskia at gcc dot gnu dot org  2006-03-21 16:05 -------
(In reply to comment #9)
> Daniel -- there's a pretty obvious redundant load from the global
> variable "i" in this testcase.  I haven't investigated why PRE
> is missing this obvious redundancy.

Because tree level load PRE does not handle global variables, there is another
bug about this, PR 23455.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18046