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

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue May 22 23:38:12 PDT 2007


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:


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