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llvm/test/Transforms
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Sam Parker 580eedab52 [ARM] DLS/LE low-overhead loop code generation 
Introduce three pseudo instructions to be used during DAG ISel to
represent v8.1-m low-overhead loops. One maps to set_loop_iterations
while loop_decrement_reg is lowered to two, so that we can separate
the decrement and branching operations. The pseudo instructions are
expanded pre-emission, where we can still decide whether we actually
want to generate a low-overhead loop, in a new pass:
ARMLowOverheadLoops. The pass currently bails, reverting to an sub,
icmp and br, in the cases where a call or stack spill/restore happens
between the decrement and branching instructions, or if the loop is
too large.

Differential Revision: https://reviews.llvm.org/D63476


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364288 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-25 10:45:51 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
AtomicExpand
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
CodeGenPrepare
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
ConstantHoisting
[RISCV] Add RISCV-specific TargetTransformInfo
2019-06-21 13:36:09 +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
[CVP] Reenable nowrap flag inference
2019-06-24 20:13:13 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
EarlyCSE
[EarlyCSE] Fix hashing of self-compares
2019-06-17 19:11:28 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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
[GVNSink] prevent crashing on mismatched instructions (PR42346)
2019-06-21 15:17:24 +00:00
HardwareLoops
[ARM] DLS/LE low-overhead loop code generation
2019-06-25 10:45:51 +00:00
HotColdSplit
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
IndirectBrExpand
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IndVarSimplify
[Tests] Add cases where we're failing to discharge provably loop exits (tests for D63733)
2019-06-24 19:26:17 +00:00
InferAddressSpaces
InferAddressSpaces: Fix cloning original addrspacecast
2019-06-17 14:13:29 +00:00
InferFunctionAttrs
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Inline
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
InstCombine
[InstCombine][NFC] Add test to show missing fold for icmp ult/uge (shl %x, C2), C1.
2019-06-25 00:14:02 +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] simplify power-of-2 (single bit set) sequences
2019-06-20 22:55:28 +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 & MSSA] Limit unsafe sinking and hoisting.
2019-06-20 21:09:09 +00:00
LoadStoreVectorizer
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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
[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion
2019-06-19 10:50:47 +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
[SCEV] Use NoWrapFlags when expanding a simple mul
2019-06-17 10:05:18 +00:00
LoopRotate
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopSimplify
[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion
2019-06-19 10:50:47 +00:00
LoopSimplifyCFG
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopStrengthReduce
[NFC][LSR] Avoid undefined grep in pr2570.ll
2019-06-19 16:02:54 +00:00
LoopTransformWarning
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopUnroll
InstCombine: Preserve nuw when reassociating nuw ops [1/3]
2019-06-24 21:36:59 +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
[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion
2019-06-19 10:50:47 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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] Add unary FNeg tests to fast-ReassociateVector.ll
2019-06-24 21:36:09 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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 scalarizer support for smul.fix.sat
2019-06-24 12:07:11 +00:00
SCCP
[SCCP] Add UnaryOperator visitor to SCCP for unary FNeg
2019-06-03 21:53:56 +00:00
SeparateConstOffsetFromGEP
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
SimpleLoopUnswitch
[NewPM] Add Option handling for SimpleLoopUnswitch
2019-04-22 10:35:07 +00:00
SimplifyCFG
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
Sink
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SLPVectorizer
[SLP] Support unary FNeg vectorization
2019-06-24 19:24:23 +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
Recommit [SROA] Enhance SROA to handle addrspacecasted allocas
2019-06-18 21:41:13 +00:00
StackProtector/X86
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +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