[LLVMbugs] [Bug 1938] SCCP mis-optimizes branches with undefined condition

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sun Jan 27 16:33:34 PST 2008


http://llvm.org/bugs/show_bug.cgi?id=1938


Chris Lattner <sabre at nondot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |2.3




--- Comment #4 from Chris Lattner <sabre at nondot.org>  2008-01-27 18:33:34 ---
Fixed, patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20080121/057637.html

Eli's fix is not quite correct because it would pessimize all undef processing.
 I think this is the minimal fix.

-Chris


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