Chris Lattner 81a0dc9115 Teach instsimplify some tricks about exact/nuw/nsw shifts. ...

improve interfaces to instsimplify to take this info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125196 91177308-0d34-0410-b5e6-96231b3b80d8

2011-02-09 17:15:04 +00:00

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ADCE

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ArgumentPromotion

fix PR8932, a case where arg promotion could infinitely promote.

2011-01-16 08:09:24 +00:00

BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

temporarily revert r123526. While working on a follow-on patch I

2011-01-15 07:51:19 +00:00

ConstantMerge

Don't merge two constants if we care about the address of both.

2011-01-16 17:05:09 +00:00

ConstProp

When loading from a constant, fold inttoptr if the integer type and the resulting pointer type both have the same size.

2011-02-06 20:11:56 +00:00

CorrelatedValuePropagation

Test for lazy value info's ability to prove the absense of NULLs in pointers.

2011-01-16 21:57:20 +00:00

DeadArgElim

Teach DAE to look for functions whose arguments are unused, and change all callers to pass in an undefvalue instead.

2011-01-16 21:25:33 +00:00

DeadStoreElimination

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EarlyCSE

Duncan deftly points out that readnone functions aren't

2011-01-03 23:38:13 +00:00

FunctionAttrs

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GlobalDCE

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GlobalOpt

Add unnamed_addr when we can show that address of a global is not used.

2011-01-19 16:32:21 +00:00

GVN

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IndVarSimplify

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Inline

relax testcase a bit.

2011-01-14 07:46:33 +00:00

InstCombine

merge two tests.

2011-02-09 17:06:41 +00:00

InstSimplify

Teach instsimplify some tricks about exact/nuw/nsw shifts.

2011-02-09 17:15:04 +00:00

Internalize

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IPConstantProp

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JumpThreading

Re-apply r124518 with fix. Watch out for invalidated iterator.

2011-01-29 04:46:23 +00:00

LCSSA

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LICM

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LoopDeletion

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LoopIdiom

Teach loop-idiom to turn a loop containing a memset into a larger memset

2011-01-04 07:46:33 +00:00

LoopRotate

merge tests into one crash.ll test.

2011-01-11 07:50:07 +00:00

LoopSimplify

Fix PR8702 by not having LoopSimplify claim to preserve LCSSA form. As described

2011-01-02 13:38:21 +00:00

LoopStrengthReduce

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LoopUnroll

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LoopUnswitch

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LowerAtomic

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LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

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MemCpyOpt

Actually check memcpy lengths, instead of just commenting about

2011-01-21 22:07:57 +00:00

MergeFunc

When removing a function from the function set and adding it to deferred, we

2011-02-09 06:32:02 +00:00

PruneEH

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Reassociate

Fix reassociate to clear optional flags, such as nsw.

2011-02-02 02:02:34 +00:00

ScalarRepl

merge all the "crash tests" into crash.ll

2011-01-24 03:37:34 +00:00

SCCP

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SimplifyCFG

SimplifyCFG: Track the number of used icmps when turning a icmp chain into a switch. If we used only one icmp, don't turn it into a switch.

2011-02-07 22:37:28 +00:00

SimplifyLibCalls

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Sink

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SRETPromotion

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StripSymbols

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TailCallElim

Add a test for TCE return duplication.

2011-01-29 04:53:35 +00:00

TailDup

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