[LLVMbugs] [Bug 209] [loadvn/inline/gcse] Slow optimizations with extremely large basic blocks

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=209

sabre at nondot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |



------- Additional Comments From sabre at nondot.org  2004-02-04 22:59 -------
Hrm, on a whim, I tried running the testcase with -no-aa -load-vn -gcse, showing
that alias analysis is taking a trivial amount of time < 1s, so the
"infrastructure problem" that I blamed for the slow GCSE is not really the problem.

Instead, it looks like load-vn is just being really silly, and needs to be
fixed.  *sigh*

-Chris



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