[LLVMbugs] [Bug 4722] GVN doesn't look through select for alloca

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sat Aug 15 19:26:26 PDT 2009


http://llvm.org/bugs/show_bug.cgi?id=4722


Chris Lattner <clattner at apple.com> changed:

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




--- Comment #6 from Chris Lattner <clattner at apple.com>  2009-08-15 21:26:25 ---
I don't think this is really worthwhile.  Loads from undef values are
incredibly rare, usually the result of jump threading.  This case is not worth
making memdep more complex for imo.


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