Chris Lattner dde5ee5d37 now that the cost model has changed, we can always consider ...

elimination of a sign extend to be a win, which simplifies 
the client of CanEvaluateSExtd, and allows us to eliminate
more casts (examples taken from real code).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93109 91177308-0d34-0410-b5e6-96231b3b80d8

2010-01-10 07:40:50 +00:00

..

ABCD

Revert my previous patch to ABCD and fix things the right way. There are two problems addressed

2009-11-09 00:44:44 +00:00

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 PR5978 by peeling the loop so that we avoid shifting the

2010-01-08 19:02:23 +00:00

DeadArgElim

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

DeadStoreElimination

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

FunctionAttrs

Fix a README item: have functionattrs look through selects and

2010-01-06 15:37:47 +00:00

GlobalDCE

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GlobalOpt

fix a globalopt crash on 'bullet' (handling evaluation of a store

2010-01-07 01:16:21 +00:00

GVN

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

IndVarSimplify

Use WriteAsOperand instead of getName() to print loop header names,

2010-01-09 18:17:45 +00:00

Inline

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

InstCombine

now that the cost model has changed, we can always consider

2010-01-10 07:40:50 +00:00

Internalize

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IPConstantProp

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

JumpThreading

fix PR5698

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

LCSSA

Trim a bunch of unneeded code from this testcase.

2009-11-10 01:33:08 +00:00

LICM

Remove dead debug info intrinsics.

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

LoopDeletion

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LoopIndexSplit

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

LoopRotate

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

LoopSimplify

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

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

LoopStrengthReduce

Use WriteAsOperand instead of getName() to print loop header names,

2010-01-09 18:17:45 +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

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

Reassociate

only factor from expressions whose uses are empty and whose

2010-01-09 06:01:36 +00:00

ScalarRepl

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

SCCP

fix a crash in SCCP handling extractvalue of an array, pointed out and

2009-11-10 22:02:09 +00:00

SimplifyCFG

Delete useless trailing semicolons.

2010-01-05 17:55:26 +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

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

TailDup

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