Chris Lattner bb6495cc67 enhance GVN to forward substitute a stored value to a load ...

(and load -> load) when the base pointers must alias but when
they are different types.  This occurs very very frequently in
176.gcc and other code that uses bitfields a lot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82399 91177308-0d34-0410-b5e6-96231b3b80d8

2009-09-20 19:03:47 +00:00

..

2007-07-25-DominatedLoop.ll

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2007-07-25-InfiniteLoop.ll

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2007-07-25-Loop.ll

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2007-07-25-NestedLoop.ll

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2007-07-25-SinglePredecessor.ll

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2007-07-26-InterlockingLoops.ll

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2007-07-26-NonRedundant.ll

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2007-07-26-PhiErasure.ll

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2007-07-30-PredIDom.ll

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2007-07-31-NoDomInherit.ll

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2007-07-31-RedundantPhi.ll

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2008-02-12-UndefLoad.ll

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2008-02-13-NewPHI.ll

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2009-09-11 18:01:28 +00:00

2008-02-24-NonDominatedMemcpy.ll

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2008-02-26-MemCpySize.ll

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2008-07-02-Unreachable.ll

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2008-12-09-SelfRemove.ll

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2008-12-12-RLE-Crash.ll

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2008-12-14-rle-reanalyze.ll

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2008-12-15-CacheVisited.ll

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2009-09-11 18:01:28 +00:00

2009-01-21-SortInvalidation.ll

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2009-01-22-SortInvalidation.ll

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2009-02-17-LoadPRECrash.ll

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2009-03-05-dbg.ll

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2009-03-10-PREOnVoid.ll

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2009-06-17-InvalidPRE.ll

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2009-07-13-MemDepSortFail.ll

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2009-09-11 18:01:28 +00:00

basic.ll

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bitcast-of-call.ll

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calls-nonlocal.ll

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calls-readonly.ll

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condprop.ll

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2009-09-11 18:01:28 +00:00

dg.exp

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load-constant-mem.ll

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local-pre.ll

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lpre-basic.ll

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lpre-call-wrap-2.ll

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lpre-call-wrap.ll

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mixed.ll

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pre-basic-add.ll

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pre-single-pred.ll

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rle-dominated.ll

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rle-must-alias.ll

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rle-no-phi-translate.ll

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rle-nonlocal.ll

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rle-phi-translate.ll

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rle-semidominated.ll

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rle.ll

enhance GVN to forward substitute a stored value to a load

2009-09-20 19:03:47 +00:00