David Majnemer 891ec6d69f InstSimplify: shl nsw/nuw undef, %V -> undef ...

We can always choose an value for undef which might cause %V to shift
out an important bit except for one case, when %V is zero.

However, shl behaves like an identity function when the right hand side
is zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224405 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-17 01:54:33 +00:00

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ADCE

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AddDiscriminators

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

AlignmentFromAssumptions

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ArgumentPromotion

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

AtomicExpand/ARM

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BBVectorize

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

BranchFolding

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CodeExtractor

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CodeGenPrepare

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ConstantHoisting

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ConstantMerge

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ConstProp

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CorrelatedValuePropagation

LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue()

2014-11-25 17:23:05 +00:00

DeadArgElim

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

DeadStoreElimination

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

EarlyCSE

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FunctionAttrs

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GCOVProfiling

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

GlobalDCE

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GlobalOpt

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

GVN

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

IndVarSimplify

Teach ScalarEvolution to exploit min and max expressions when proving

2014-12-15 22:50:15 +00:00

Inline

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

InstCombine

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

InstMerge

Added a test related to 224247 revision

2014-12-15 14:14:10 +00:00

InstSimplify

InstSimplify: shl nsw/nuw undef, %V -> undef

2014-12-17 01:54:33 +00:00

Internalize

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IPConstantProp

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JumpThreading

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LCSSA

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LICM

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LoadCombine

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LoopDeletion

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LoopIdiom

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LoopReroll

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LoopRotate

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LoopSimplify

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LoopStrengthReduce

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LoopUnroll

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LoopUnswitch

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LoopVectorize

Masked Load and Store Intrinsics in loop vectorizer.

2014-12-16 11:50:42 +00:00

LowerAtomic

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LowerExpectIntrinsic

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

LowerInvoke

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LowerSwitch

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Mem2Reg

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

MemCpyOpt

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MergeFunc

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

MetaRenamer

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ObjCARC

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

PartiallyInlineLibCalls

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PhaseOrdering

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PruneEH

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Reassociate

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Reg2Mem

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SampleProfile

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

Scalarizer

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

ScalarRepl

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

SCCP

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SeparateConstOffsetFromGEP/NVPTX

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SimplifyCFG

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

Sink

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SLPVectorizer

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

SROA

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StripSymbols

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

StructurizeCFG

StructurizeCFG: Use LoopInfo analysis for better loop detection

2014-12-03 04:28:32 +00:00

TailCallElim

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TailDup

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Util

[SwitchLowering] Handle destinations on multiple phi instructions

2014-12-02 18:31:53 +00:00