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d049b8952bfac483d76ddb1cb026aff2fa3a8760
llvm/test/Transforms
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Sanjay Patel d049b8952b [CodeGenPrepare][x86] shift both sides of a vector select when profitable 
This is based on the example/discussion in PR37428:
https://bugs.llvm.org/show_bug.cgi?id=37428

Proper vector shift instructions don't appear until AVX2, so we may generate several
extra instructions within a loop trying to compensate for that. It's difficult to
recover from that shift expansion later than this, so use the existing TLI hook and
splat analysis to enable better codegen.

This extends CGP functionality introduced with:
rL201655

Differential Revision: https://reviews.llvm.org/D63233

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363511 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-16 15:29:03 +00:00
..
ADCE
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AddDiscriminators
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AggressiveInstCombine
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AlignmentFromAssumptions
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ArgumentPromotion
remove inalloca parameters in globalopt and simplify argpromotion
2019-05-02 00:37:36 +00:00
AtomicExpand
AtomicExpand: Don't crash on non-0 alloca
2019-06-11 01:35:07 +00:00
BDCE
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
BlockExtractor
[BlockExtractor] Change the basic block separator from ',' to ';'
2019-04-29 16:14:00 +00:00
BranchFolding
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
CalledValuePropagation
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
CallSiteSplitting
CallSiteSplitting: Respect convergent and noduplicate
2019-05-29 16:59:48 +00:00
CanonicalizeAliases
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
CodeExtractor
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
CodeGenPrepare
[CodeGenPrepare][x86] shift both sides of a vector select when profitable
2019-06-16 15:29:03 +00:00
ConstantHoisting
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ConstantMerge
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ConstProp
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Coroutines
[coroutines] Fix spills of static array allocas
2019-05-13 23:58:24 +00:00
CorrelatedValuePropagation
Resubmit "[CorrelatedValuePropagation] Fix prof branch_weights metadata handling for SwitchInst"
2019-06-05 05:46:40 +00:00
CrossDSOCFI
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
DCE
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
DeadArgElim
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
DeadStoreElimination
[DSE] Bugfix to avoid PartialStoreMerging involving non byte-sized stores
2019-05-24 08:32:02 +00:00
DivRemPairs
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
EarlyCSE
[EarlyCSE] Ensure equal keys have the same hash value
2019-06-13 15:24:11 +00:00
EliminateAvailableExternally
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
EntryExitInstrumenter
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ExpandMemCmp/X86
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Float2Int
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ForcedFunctionAttrs
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
FunctionAttrs
Do not derive no-recurse attribute if function does not have exact definition.
2019-06-10 04:16:04 +00:00
FunctionImport
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GCOVProfiling
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GlobalDCE
[IR] Disallow llvm.global_ctors and llvm.global_dtors of the 2-field form in textual format
2019-05-15 02:35:32 +00:00
GlobalMerge
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GlobalOpt
Revert r361460
2019-05-24 01:03:51 +00:00
GlobalSplit
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GuardWidening
[GuardWidening] Wire up a NPM version of the LoopGuardWidening pass
2019-04-18 19:17:14 +00:00
GVN
GVN: Handle addrspacecast
2019-05-18 14:36:06 +00:00
GVNHoist
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GVNSink
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
HardwareLoops
[SCEV] Pass NoWrapFlags when expanding an AddExpr
2019-06-14 09:19:41 +00:00
HotColdSplit
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IndirectBrExpand
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IndVarSimplify
[SimplifyIndVar] Simplify non-overflowing saturating add/sub
2019-06-15 08:48:52 +00:00
InferAddressSpaces
[InferAddressSpaces] Enhance the handling of cosntexpr.
2019-05-10 14:57:42 +00:00
InferFunctionAttrs
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Inline
[NFC] Added test from PR42084 for D63058
2019-06-09 14:56:46 +00:00
InstCombine
[InstCombine] Add tests to show missing fold opportunity for "icmp and shift" (nfc).
2019-06-15 00:33:41 +00:00
InstMerge
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
InstNamer
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
InstSimplify
[InstSimplify] enhance fcmp fold with never-nan operand
2019-06-09 13:48:59 +00:00
InterleavedAccess
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Internalize
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IPConstantProp
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IRCE
[SCEV] Pass NoWrapFlags when expanding an AddExpr
2019-06-14 09:19:41 +00:00
JumpThreading
[JumpThreading] A bug fix for stale loop info after unfold select
2019-05-15 15:15:16 +00:00
LCSSA
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LICM
[LICM] Allow AliasSetMap to contain top-level loops.
2019-05-14 19:41:36 +00:00
LoadStoreVectorizer
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopDataPrefetch
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopDeletion
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopDistribute
LoopDistribute/LAA: Respect convergent
2019-06-12 13:34:19 +00:00
LoopFusion
Add basic loop fusion pass.
2019-04-17 18:53:27 +00:00
LoopIdiom
Revert "[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion"
2019-06-12 08:34:51 +00:00
LoopInstSimplify
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopInterchange
[LoopInterchange] Fix handling of LCSSA nodes defined in headers and latches.
2019-05-26 23:38:25 +00:00
LoopLoadElim
LoopLoadElim: Respect convergent
2019-06-12 13:50:47 +00:00
LoopPredication
[LoopPred] Fix a bug in unconditional latch bailout introduced in r362284
2019-06-06 18:02:36 +00:00
LoopReroll
Revert "[SCEV] Use wrap flags in InsertBinop"
2019-06-06 12:35:46 +00:00
LoopRotate
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopSimplify
Revert "[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion"
2019-06-12 08:34:51 +00:00
LoopSimplifyCFG
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopStrengthReduce
[SCEV] Pass NoWrapFlags when expanding an AddExpr
2019-06-14 09:19:41 +00:00
LoopTransformWarning
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopUnroll
Revert "[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion"
2019-06-12 08:34:51 +00:00
LoopUnrollAndJam
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopUnswitch
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopVectorize
[SCEV] Pass NoWrapFlags when expanding an AddExpr
2019-06-14 09:19:41 +00:00
LoopVersioning
LoopVersioning: Respect convergent
2019-06-12 14:05:58 +00:00
LoopVersioningLICM
LoopVersioningLICM: Respect convergent and noduplicate
2019-05-29 20:47:59 +00:00
LowerAtomic
Transforms: lower fadd and fsub atomicrmw instructions
2019-05-23 17:03:43 +00:00
LowerExpectIntrinsic
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LowerGuardIntrinsic
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LowerInvoke
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LowerSwitch
Fix a crash when the default of a switch is removed
2019-06-03 17:54:15 +00:00
LowerTypeTests
[ThinLTO] Auto-hide prevailing linkonce_odr only when all copies eligible
2019-05-10 20:08:24 +00:00
LowerWidenableCondition
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
MakeGuardsExplicit
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Mem2Reg
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
MemCpyOpt
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
MergeFunc
Fix 2-field llvm.global_ctors REQUIRES: asserts tests after rL360742
2019-05-15 03:08:21 +00:00
MergeICmps
[MergeICmps] Make the pass compatible with the new pass manager.
2019-05-23 12:35:26 +00:00
MetaRenamer
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
NameAnonGlobals
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
NaryReassociate
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
NewGVN
NewGVN: Handle addrspacecast
2019-06-05 21:15:52 +00:00
ObjCARC
[ObjC][ARC] Delete ObjC runtime calls on global variables annotated
2019-06-14 22:06:32 +00:00
PartiallyInlineLibCalls
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PGOProfile
[PGO] Handle cases of non-instrument BBs
2019-06-10 22:36:27 +00:00
PhaseOrdering
[Pass Pipeline][NFC] Add a test prior to committing D61726
2019-05-13 21:14:36 +00:00
PlaceSafepoints
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PreISelIntrinsicLowering
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PruneEH
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Reassociate
[NFC][Reassociate] Fix mistake in 468b2ad
2019-06-05 18:50:07 +00:00
Reg2Mem
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
RewriteStatepointsForGC
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SafeStack
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SampleProfile
Fix prof branch_weights in entry_counts_missing_dbginfo.ll test
2019-05-16 03:39:09 +00:00
ScalarizeMaskedMemIntrin/X86
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Scalarizer
[Scalarizer] Add UnaryOperator visitor to scalarization pass
2019-06-04 23:01:36 +00:00
SCCP
[SCCP] Add UnaryOperator visitor to SCCP for unary FNeg
2019-06-03 21:53:56 +00:00
SeparateConstOffsetFromGEP
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SimpleLoopUnswitch
[NewPM] Add Option handling for SimpleLoopUnswitch
2019-04-22 10:35:07 +00:00
SimplifyCFG
[SimplifyCFG] NFC, update Switch tests as a baseline.
2019-06-13 19:36:38 +00:00
Sink
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SLPVectorizer
Improve reduction intrinsics by overloading result value.
2019-06-13 09:37:38 +00:00
SpeculateAroundPHIs
SpeculateAroundPHIs: Respect convergent
2019-05-29 13:14:39 +00:00
SpeculativeExecution
Support FNeg in SpeculativeExecution pass
2019-05-14 16:51:18 +00:00
SROA
SROA: Allow eliminating addrspacecasted allocas
2019-06-14 21:38:31 +00:00
StackProtector/X86
StackProtector: Use PointerMayBeCaptured
2019-06-12 14:23:33 +00:00
StraightLineStrengthReduce
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
StripDeadPrototypes
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
StripSymbols
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
StructurizeCFG
StructurizeCFG: Relax uniformity checks.
2019-05-24 08:59:17 +00:00
SyntheticCountsPropagation
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
TailCallElim
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ThinLTOBitcodeWriter
[IR] Disallow llvm.global_ctors and llvm.global_dtors of the 2-field form in textual format
2019-05-15 02:35:32 +00:00
Util
[PredicateInfo] Do not process unreachable operands.
2019-05-15 19:35:38 +00:00
WholeProgramDevirt
[ThinLTO] Auto-hide prevailing linkonce_odr only when all copies eligible
2019-05-10 20:08:24 +00:00