Chris Lattner 16507fe9fd optimize cttz and ctlz when we can prove something about the ...

leading/trailing bits.  Patch by Alastair Lynn!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92706 91177308-0d34-0410-b5e6-96231b3b80d8

2010-01-05 07:23:56 +00:00

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ABCD

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ADCE

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ArgumentPromotion

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BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

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ConstantMerge

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ConstProp

Fix PR5551 by not ignoring the top level constantexpr when

2009-12-04 06:29:29 +00:00

DeadArgElim

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DeadStoreElimination

Fix some CHECK lines which were ignored by accident.

2009-12-12 09:25:50 +00:00

FunctionAttrs

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GlobalDCE

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GlobalOpt

fix two bogus tests that the asmparser now rejects.

2009-12-30 05:54:51 +00:00

GVN

fix an overly conservative caching issue that caused memdep to

2009-12-19 21:29:22 +00:00

IndVarSimplify

Make getUniqueExitBlocks's precondition assert more precise, to

2009-12-11 20:05:23 +00:00

Inline

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InstCombine

optimize cttz and ctlz when we can prove something about the

2010-01-05 07:23:56 +00:00

Internalize

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IPConstantProp

Fix a use of an invalidated iterator in the case where there are multiple

2009-11-23 16:13:39 +00:00

JumpThreading

fix PR5698

2009-12-06 17:17:23 +00:00

LCSSA

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LICM

Remove dead debug info intrinsics.

2010-01-05 01:10:40 +00:00

LoopDeletion

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LoopIndexSplit

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LoopRotate

fix PR5837 by having SSAUpdate reuse phi nodes for the

2009-12-21 07:16:11 +00:00

LoopSimplify

Make Loop::getLoopLatch() work on loops which don't have preheaders, as

2009-11-20 20:51:18 +00:00

LoopStrengthReduce

Generalize OptimizeLoopTermCond to optimize more loop terminating icmp to use postinc iv.

2009-11-17 18:10:11 +00:00

LoopUnroll

Teach getSmallConstantTripMultiple about Shl operators.

2009-11-20 01:09:34 +00:00

LoopUnswitch

Reverting patch in revision 89758, initial attempt at fixing PR5373 has proven to be bogus.

2009-11-25 05:38:41 +00:00

LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

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MemCpyOpt

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MergeFunc

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PruneEH

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Reassociate

fix an infinite loop in reassociate building emacs.

2010-01-05 04:55:35 +00:00

ScalarRepl

Generalize SROA to allow the first index of a GEP to be non-zero. Add a

2009-12-22 06:57:14 +00:00

SCCP

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SimplifyCFG

fix two bogus tests that the asmparser now rejects.

2009-12-30 05:54:51 +00:00

SimplifyLibCalls

move an optimization for memcmp out of simplifylibcalls and into

2009-12-24 00:37:38 +00:00

SRETPromotion

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SSI

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StripSymbols

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TailCallElim

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TailDup

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