Chris Lattner c6ee9181a5 teach instsimplify to transform (X / Y) * Y to X ...

when the div is an exact udiv.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124994 91177308-0d34-0410-b5e6-96231b3b80d8

2011-02-06 22:05:31 +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

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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

enhance vmcore to know that udiv's can be exact, and add a trivial

2011-02-06 21:44:57 +00:00

InstSimplify

teach instsimplify to transform (X / Y) * Y to X

2011-02-06 22:05:31 +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

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LoopRotate

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LoopSimplify

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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

Fix surprising missed optimization in mergefunc where we forgot to consider

2011-01-27 08:38:19 +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: Also transform switches that represent a range comparison but are not sorted into sub+icmp.

2011-02-03 22:51:41 +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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