[LLVMbugs] [Bug 1435] licm breaks volatile store in multiply-nested loops

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1435

sabre at nondot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
          Component|Scalar Optimizations        |Global Analyses
         OS/Version|Linux                       |All
           Platform|PC                          |All
         Resolution|                            |FIXED
            Summary|licm ignores volatile store |licm breaks volatile store
                   |                            |in multiply-nested loops
   Target Milestone|---                         |2.1
            Version|trunk                       |1.0



------- Additional Comments From sabre at nondot.org  2007-05-23 01:38 -------
Nice catch.  This impacts nested loops only.  Thanks for the excellent testcase reduction.

Fixed.  Testcase here: Transforms/LICM/2007-05-22-VolatileSink.ll

Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070521/049945.html

-Chris



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