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clang-p2996/llvm/lib/Analysis
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Ramkumar Ramachandra cbfd0d68ea [HashRecognize] Rewrite arePHIsIntertwined (#144878) 
The test crc8.le.tc16 is a valid CRC algorithm, but isn't recognized as
such due to a buggy arePHIsIntertwined, which is asymmetric in its
PHINode arguments. There is also a fundamental correctness issue: the
core functionality is to match a XOR that's a recurrence in both PHI
nodes, ignoring casts, but the user of the XOR is never checked. Rewrite
and rename the function.

crc8.le.tc16 is still not recognized as a valid CRC algorithm, due to an
incorrect check for loop iterations exceeding the bitwidth of the
result: in reality, it should not exceed the bitwidth of LHSAux, but we
leave this fix to a follow-up.

Co-authored-by: Piotr Fusik <p.fusik@samsung.com>
2025-07-02 15:36:27 +01:00
..
models
[IR2Vec] Scale embeddings once in vocab analysis instead of repetitive scaling (#143986)
2025-06-30 23:09:19 +02:00
AliasAnalysis.cpp
[AA] Merge isNonEscapingLocalObject() into SimpleCaptureAnalysis (NFC) (#142971)
2025-06-06 09:40:57 +02:00
AliasAnalysisEvaluator.cpp
…
AliasSetTracker.cpp
[DebugInfo][RemoveDIs] Remove a swathe of debug-intrinsic code (#144389)
2025-06-17 15:55:14 +01:00
Analysis.cpp
[DirectX] Implement DXILResourceImplicitBinding pass (#138043)
2025-05-12 23:00:00 -07:00
AssumeBundleQueries.cpp
Analysis: Remove no-AssumptionCache path in getKnowledgeForValue (#139232)
2025-05-09 12:23:38 +02:00
AssumptionCache.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
BasicAliasAnalysis.cpp
[FunctionAttrs][IR] Fix memory attr inference for volatile mem intrinsics (#122926)
2025-06-25 09:29:37 +02:00
BlockFrequencyInfo.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
BlockFrequencyInfoImpl.cpp
…
BranchProbabilityInfo.cpp
[llvm] Remove unused local variables (NFC) (#138454)
2025-05-04 09:38:16 -07:00
CallGraph.cpp
[DebugInfo][RemoveDIs] Remove a swathe of debug-intrinsic code (#144389)
2025-06-17 15:55:14 +01:00
CallGraphSCCPass.cpp
[Analysis] Remove unused includes (NFC) (#141319)
2025-05-23 23:59:56 -07:00
CallPrinter.cpp
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CaptureTracking.cpp
[AA] Take read-only provenance captures into account (#143097)
2025-06-12 14:13:15 +02:00
CFG.cpp
[llvm] Ensure newline at the end of files (NFC) (#143061)
2025-06-05 22:58:15 -07:00
CFGPrinter.cpp
…
CFGSCCPrinter.cpp
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CGSCCPassManager.cpp
[llvm] annotate interfaces in llvm/Analysis for DLL export (#136623)
2025-05-27 15:14:20 -07:00
CMakeLists.txt
[HashRecognize] Introduce new analysis (#139120)
2025-06-02 08:25:50 +01:00
CmpInstAnalysis.cpp
[CmpInstAnalysis] Decompose icmp eq (and x, C) C2 (#136367)
2025-04-24 12:40:26 -07:00
CodeMetrics.cpp
…
ConstantFolding.cpp
[ConstantFold] Special case atan +/-0.0 (#143962)
2025-06-25 16:03:18 -04:00
ConstraintSystem.cpp
[ConstraintSystem] Update comments (#127351)
2025-04-08 00:22:47 +08:00
CostModel.cpp
[CostModel] Remove optional from InstructionCost::getValue() (#135596)
2025-04-23 07:46:27 +01:00
CtxProfAnalysis.cpp
Clean up external users of GlobalValue::getGUID(StringRef) (#129644)
2025-04-28 11:09:43 +10:00
CycleAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
DDG.cpp
…
DDGPrinter.cpp
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Delinearization.cpp
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DemandedBits.cpp
[DebugInfo][RemoveDIs] Remove a swathe of debug-intrinsic code (#144389)
2025-06-17 15:55:14 +01:00
DependenceAnalysis.cpp
[DA] Improve code in getSplitIteration (NFC) (#146137)
2025-06-30 13:50:19 +01:00
DependenceGraphBuilder.cpp
[llvm] Use range constructors of *Set (NFC) (#133549)
2025-03-28 19:55:18 -07:00
DevelopmentModeInlineAdvisor.cpp
[MLGO] Fix feature iteration using FeatureMap.size() instead of NumberOfFeatures (#146436)
2025-06-30 17:44:23 -07:00
DomConditionCache.cpp
…
DominanceFrontier.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
DomPrinter.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
DomTreeUpdater.cpp
[llvm] annotate interfaces in llvm/Analysis for DLL export (#136623)
2025-05-27 15:14:20 -07:00
DXILMetadataAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
DXILResource.cpp
[DirectX] Update resource type names in DXIL metadata to include element type (#140937)
2025-05-29 11:44:34 -07:00
EphemeralValuesCache.cpp
Revert "[Analysis][EphemeralValuesAnalysis][NFCI] Remove EphemeralValuesCache class (#132454)"
2025-03-22 10:13:39 -07:00
FloatingPointPredicateUtils.cpp
Reland [llvm] add GenericFloatingPointPredicateUtils #140254 (#141065)
2025-05-22 17:17:02 +02:00
FunctionPropertiesAnalysis.cpp
[IR2Vec] Simplifying creation of Embedder (#143999)
2025-06-30 18:24:08 -07:00
GlobalsModRef.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
GuardUtils.cpp
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HashRecognize.cpp
[HashRecognize] Rewrite arePHIsIntertwined (#144878)
2025-07-02 15:36:27 +01:00
HeatUtils.cpp
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ImportedFunctionsInliningStatistics.cpp
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IndirectCallPromotionAnalysis.cpp
Add minimum count threshold for indirect call promotion (#145282)
2025-06-26 12:10:59 -07:00
InlineAdvisor.cpp
Reland "[MLGO][IR2Vec] Integrating IR2Vec with MLInliner (#143479)" (#145664)
2025-06-30 22:37:39 +02:00
InlineCost.cpp
[InlineCost] Simplify extractvalue across callsite (#145054)
2025-06-24 14:15:27 +01:00
InlineOrder.cpp
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InlineSizeEstimatorAnalysis.cpp
[CostModel] Fix InlineSizeEstimatorAnalysis after #135596
2025-04-23 08:20:12 +01:00
InstCount.cpp
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InstructionPrecedenceTracking.cpp
[Analysis] Avoid repeated hash lookups (NFC) (#132584)
2025-03-23 07:36:19 -07:00
InstructionSimplify.cpp
[InstSimplify] Simplify 'x u>= 1' to true when x is known non-zero (#145204)
2025-06-22 13:32:19 +08:00
InteractiveModelRunner.cpp
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IR2Vec.cpp
[IR2Vec] Add out-of-place arithmetic operators to Embedding class (#145118)
2025-07-01 12:09:54 -07:00
IRSimilarityIdentifier.cpp
[Analysis] Avoid repeated hash lookups (NFC) (#140691)
2025-05-20 06:47:25 -07:00
IVDescriptors.cpp
[LV] Add support for cmp reductions with decreasing IVs. (#140451)
2025-06-29 11:17:03 +01:00
IVUsers.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
KernelInfo.cpp
[llvm] Remove redundant control flow (NFC) (#138304)
2025-05-02 10:34:25 -07:00
LastRunTrackingAnalysis.cpp
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LazyBlockFrequencyInfo.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
LazyBranchProbabilityInfo.cpp
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LazyCallGraph.cpp
[llvm] Use range constructors of *Set (NFC) (#133549)
2025-03-28 19:55:18 -07:00
LazyValueInfo.cpp
[Analysis] Remove unnecessary casts (NFC) (#146216)
2025-06-28 13:03:31 -07:00
Lint.cpp
[ValueTracking] Make Depth last default arg (NFC) (#142384)
2025-06-03 17:12:24 +01:00
Loads.cpp
[LAA] Be more careful when evaluating AddRecs at symbolic max BTC. (#128061)
2025-06-23 20:23:40 +01:00
Local.cpp
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LoopAccessAnalysis.cpp
[LAA] Clean up APInt-overflow related code (#140048)
2025-06-30 14:48:56 +01:00
LoopAnalysisManager.cpp
[llvm] annotate interfaces in llvm/Analysis for DLL export (#136623)
2025-05-27 15:14:20 -07:00
LoopCacheAnalysis.cpp
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LoopInfo.cpp
[llvm] annotate interfaces in llvm/Analysis for DLL export (#136623)
2025-05-27 15:14:20 -07:00
LoopNestAnalysis.cpp
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LoopPass.cpp
[LLVM] Change ModulePass::skipModule to take a const reference (#146168)
2025-06-30 07:23:04 -07:00
LoopUnrollAnalyzer.cpp
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MemDerefPrinter.cpp
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MemoryBuiltins.cpp
[MemoryBuiltins] Support allocas in getInitialValueOfAllocation (NFC)
2025-06-16 11:52:16 +02:00
MemoryDependenceAnalysis.cpp
[DebugInfo][RemoveDIs] Remove a swathe of debug-intrinsic code (#144389)
2025-06-17 15:55:14 +01:00
MemoryLocation.cpp
[MemoryLocation][DSE] Allow other read effects in MemoryLocation::getForDest() (#144343)
2025-06-17 09:49:18 +02:00
MemoryProfileInfo.cpp
[MemProf] Optionally save context size info on largest cold allocations (#142837)
2025-06-04 13:08:56 -07:00
MemorySSA.cpp
[llvm] Value-initialize values with *Map::try_emplace (NFC) (#141522)
2025-05-26 15:13:02 -07:00
MemorySSAUpdater.cpp
[MemorySSAUpdater] Fix iterator invalidation bug in applyInsertUpdates (#139370)
2025-05-10 21:48:26 +08:00
MLInlineAdvisor.cpp
Reland "[MLGO][IR2Vec] Integrating IR2Vec with MLInliner (#143479)" (#145664)
2025-06-30 22:37:39 +02:00
ModelUnderTrainingRunner.cpp
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ModuleDebugInfoPrinter.cpp
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ModuleSummaryAnalysis.cpp
[MemProf] Optionally save context size info on largest cold allocations (#142837)
2025-06-04 13:08:56 -07:00
MustExecute.cpp
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NoInferenceModelRunner.cpp
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ObjCARCAliasAnalysis.cpp
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ObjCARCAnalysisUtils.cpp
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ObjCARCInstKind.cpp
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OptimizationRemarkEmitter.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
OverflowInstAnalysis.cpp
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PHITransAddr.cpp
PHITransAddr: Avoid looking at constant use lists (#134689)
2025-04-13 16:58:57 +02:00
PhiValues.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
PostDominators.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
ProfileSummaryInfo.cpp
[llvm] annotate interfaces in llvm/Analysis for DLL export (#136623)
2025-05-27 15:14:20 -07:00
PtrUseVisitor.cpp
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RegionInfo.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
RegionPass.cpp
[LLVM] Change ModulePass::skipModule to take a const reference (#146168)
2025-06-30 07:23:04 -07:00
RegionPrinter.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
ReplayInlineAdvisor.cpp
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ScalarEvolution.cpp
[SCEV] Better preserve wrapping info in SimplifyICmpOperands for UGE. (#144404)
2025-06-17 15:30:08 +01:00
ScalarEvolutionAliasAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
ScalarEvolutionDivision.cpp
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ScalarEvolutionNormalization.cpp
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ScopedNoAliasAA.cpp
[AMDGPU] Correctly merge noalias scopes during lowering of LDS data. (#131664)
2025-04-28 14:02:18 -05:00
StackLifetime.cpp
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StackSafetyAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
StaticDataProfileInfo.cpp
[Analysis] Remove unused includes (NFC) (#141319)
2025-05-23 23:59:56 -07:00
StructuralHash.cpp
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SyntheticCountsUtils.cpp
[Analysis] Use *Set::insert_range (NFC) (#132878)
2025-03-25 07:51:39 -07:00
TargetLibraryInfo.cpp
TargetLibraryInfo: Delete default TargetLibraryInfoImpl constructor (#145826)
2025-06-26 16:12:36 +09:00
TargetTransformInfo.cpp
[CostModel] Add a DstTy to getShuffleCost (#141634)
2025-06-21 12:29:29 +01:00
TensorSpec.cpp
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TFLiteUtils.cpp
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Trace.cpp
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TrainingLogger.cpp
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TypeBasedAliasAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
TypeMetadataUtils.cpp
Reapply "IR: Remove uselist for constantdata (#137313)" (#138961)
2025-05-08 08:00:09 +02:00
UniformityAnalysis.cpp
[LLVM] Cleanup pass initialization for Analysis passes (#135858)
2025-04-21 12:36:34 -07:00
ValueLattice.cpp
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ValueLatticeUtils.cpp
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ValueTracking.cpp
[ValueTracking] Add matchSimpleBinaryIntrinsicRecurrence helper
2025-06-27 19:04:28 +02:00
VectorUtils.cpp
[LV] Support scalable interleave groups for factors 3,5,6 and 7 (#141865)
2025-06-12 11:09:09 +01:00