[LLVMbugs] [Bug 1865] GEPs aren't amenable to further analysis

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1865


Chris Lattner <sabre at nondot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




--- Comment #1 from Chris Lattner <sabre at nondot.org>  2007-12-18 11:06:57 ---
That wouldn't be legal:

%tmp19 = GEP %dst, 1

Would produce a constant offset from dst for every iteration of the loop.  What
you really want is get dst, ((iv << 2) + 1) instead of |1.  I don't think this
is a useful simplification.


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