[LLVMbugs] [Bug 1510] xor-inferring optimizations would be nice

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1510

sabre at nondot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
           Keywords|                            |code-quality
         Resolution|                            |FIXED
   Target Milestone|---                         |2.1



------- Additional Comments From sabre at nondot.org  2007-06-15 01:26 -------
Implemented.  There are many patches to this, the primary ones being:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070611/050487.html
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070611/050489.html
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070611/050495.html

Testcase here: Transforms/InstCombine/and-or-not.ll

This shrunk Duraid's nasty example from 32K lines of x86-64 .s file to 23k lines.

-Chris



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