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llvm/test/Transforms
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Hal Finkel 6c15862fd3 [SLPVectorize] Basic ephemeral-value awareness 
The SLP vectorizer should not vectorize ephemeral values. These are used to
express information to the optimizer, and vectorizing them does not lead to
faster code (because the ephemeral values are dropped prior to code generation,
vectorized or not), and obscures the information the instructions are
attempting to communicate (the logic that interprets the arguments to
@llvm.assume generically does not understand vectorized conditions).

Also, uses by ephemeral values are free (because they, and the necessary
extractelement instructions, will be dropped prior to code generation).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219816 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-15 17:35:01 +00:00
..
ADCE
AddDiscriminators Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
AlignmentFromAssumptions
ArgumentPromotion Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
AtomicExpand/ARM
BBVectorize
BranchFolding
CodeExtractor
CodeGenPrepare
ConstantHoisting
ConstantMerge
ConstProp
CorrelatedValuePropagation
DeadArgElim DebugInfo+DeadArgElimination: Ensure llvm::Function*s from debug info are updated even when DAE removes both varargs and non-varargs arguments on the same function. 2014-10-07 15:10:23 +00:00
DeadStoreElimination Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
DebugIR Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
EarlyCSE
FunctionAttrs
GCOVProfiling Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
GlobalDCE GlobalDCE: Don't drop any COMDAT members 2014-10-07 07:07:19 +00:00
GlobalOpt GlobalOpt: Don't drop unused memberes of a Comdat 2014-10-08 07:23:31 +00:00
GVN
IndVarSimplify This patch teaches ScalarEvolution to pick and use !range metadata. 2014-10-10 21:22:34 +00:00
Inline Inliner: Non-local functions in COMDATs shouldn't be dropped 2014-10-08 19:32:32 +00:00
InstCombine Optimize away fabs() calls when input is squared (known positive). 2014-10-14 20:43:11 +00:00
InstMerge
InstSimplify Revert "r216914 - Revert: [APFloat] Fixed a bug in method 'fusedMultiplyAdd'" 2014-10-14 19:23:07 +00:00
Internalize
IPConstantProp
JumpThreading [LVI] Check for @llvm.assume dominating the edge branch 2014-10-14 16:04:49 +00:00
LCSSA
LICM Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
LoadCombine
LoopDeletion
LoopIdiom Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
LoopReroll
LoopRotate Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
LoopSimplify
LoopStrengthReduce Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
LoopUnroll This patch de-pessimizes the calculation of loop trip counts in 2014-10-10 17:39:11 +00:00
LoopUnswitch
LoopVectorize [LoopVectorize] Ignore @llvm.assume for cost estimates and legality 2014-10-14 22:59:49 +00:00
LowerAtomic
LowerExpectIntrinsic
LowerInvoke
LowerSwitch
Mem2Reg Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
MemCpyOpt
MergeFunc
MetaRenamer
ObjCARC Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
PartiallyInlineLibCalls
PhaseOrdering
PruneEH
Reassociate [Reassociate] Don't canonicalize X - undef to X + (-undef). 2014-10-09 20:06:29 +00:00
Reg2Mem
SampleProfile Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
Scalarizer Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
ScalarRepl Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
SCCP
SeparateConstOffsetFromGEP/NVPTX
SimplifyCFG Switch to select optimization for two-case switches 2014-10-14 01:58:26 +00:00
Sink
SLPVectorizer [SLPVectorize] Basic ephemeral-value awareness 2014-10-15 17:35:01 +00:00
SROA
StripSymbols Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
StructurizeCFG
TailCallElim
TailDup
Util