[LLVMbugs] [Bug 66] New: [scalarrepl] Scalar Replacement of aggregates is decimating structures it shouldn't be

[bugzilla-daemon at zion.cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=66

           Summary: [scalarrepl] Scalar Replacement of aggregates is
                    decimating structures it shouldn't be
           Product: libraries
           Version: 1.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Scalar Optimizations
        AssignedTo: sabre at nondot.org
        ReportedBy: sabre at nondot.org


The following testprogram is being misoptimized by the scalarrepl pass:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20031027/008945.html

Scalar repl is decimating the structure in main, despite the fact that its
address is used and passed into a function.

Thanks to Bill Wending for reducing this from a monster HDF5 testcase.



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