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llvm-mirror/test/Transforms
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Karl-Johan Karlsson 229444be5b [ValueTracking] Fix endless recursion in isKnownNonZero() 
Summary:
The isKnownNonZero() function have checks that abort the recursion when
it reaches the specified max depth. However one of the recursive calls
was placed before the max depth check was done, resulting in a endless
recursion that eventually triggered a segmentation fault.

Fixed the problem by moving the max depth check above the first
recursive call.

Reviewers: Prazek, nlopes, spatel, craig.topper, hfinkel

Reviewed By: hfinkel

Subscribers: hfinkel, bjope, llvm-commits

Differential Revision: https://reviews.llvm.org/D47531

llvm-svn: 333557
2018-05-30 15:56:46 +00:00
..
ADCE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
AddDiscriminators [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
AggressiveInstCombine [AggressiveInstCombine] avoid crashing on unsimplified code (PR37446) 2018-05-14 13:43:32 +00:00
AlignmentFromAssumptions
ArgumentPromotion
AtomicExpand
BDCE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
BlockExtractor
BranchFolding
CalledValuePropagation
CallSiteSplitting [CallSiteSplit] Make sure we remove nonnull if the parameter turns out to be a constant. 2018-04-23 20:09:08 +00:00
CodeExtractor [CodeExtractor] Allow extracting blocks with exception handling 2018-05-11 22:49:49 +00:00
CodeGenPrepare [CodeGenPrepare] Revert r331783 2018-05-25 20:30:26 +00:00
ConstantHoisting [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ConstantMerge
ConstProp
Coroutines [Coroutines] PR34897: Fix incorrect elisions 2018-05-11 03:12:28 +00:00
CorrelatedValuePropagation [ValueTracking] Fix endless recursion in isKnownNonZero() 2018-05-30 15:56:46 +00:00
CrossDSOCFI
DCE
DeadArgElim [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
DeadStoreElimination [Debugify] Set a DI version module flag for llc compatibility 2018-05-24 23:00:23 +00:00
DivRemPairs
EarlyCSE [EarlyCSE] Improve EarlyCSE of some absolute value cases. 2018-05-21 18:42:42 +00:00
EliminateAvailableExternally
EntryExitInstrumenter [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ExpandMemCmp/X86
Float2Int
ForcedFunctionAttrs
FunctionAttrs [CaptureTracking] Handle capturing of launder.invariant.group 2018-05-05 10:23:27 +00:00
FunctionImport [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GCOVProfiling [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GlobalDCE
GlobalMerge
GlobalOpt Fix evaluator for non-zero alloca addr space 2018-05-19 02:58:16 +00:00
GlobalSplit
GuardWidening [LoopGuardWidening] Make PostDomTree optional 2018-04-27 23:15:56 +00:00
GVN Dissallow non-empty metadata for invariant.group 2018-05-18 23:53:46 +00:00
GVNHoist [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GVNSink
IndirectBrExpand
IndVarSimplify [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
InferAddressSpaces
InferFunctionAttrs [SimplifyLibcalls] Replace locked IO with unlocked IO 2018-05-16 11:39:52 +00:00
Inline Fix aliasing of launder.invariant.group 2018-05-23 09:16:44 +00:00
InstCombine [InstCombine, ARM, AArch64] Convert table lookup to shuffle vector 2018-05-30 14:38:50 +00:00
InstMerge [MergedLoadStoreMotion] Fix a debug invariant bug in mergeStores 2018-05-09 06:52:12 +00:00
InstNamer
InstSimplify [InstCombine] move misplaced test file and regenerate checks; NFC 2018-05-22 23:15:56 +00:00
InterleavedAccess
Internalize
IPConstantProp Revert r333268: [IPSCCP] Use PredicateInfo to propagate facts from... 2018-05-25 23:32:02 +00:00
IRCE [IRCE] Fix miscompile with range checks against negative values 2018-05-19 13:06:37 +00:00
JumpThreading Fix the issue that ComputeValueKnownInPredecessors only handles the case when 2018-05-01 14:47:24 +00:00
LCSSA [Debugify] Set a DI version module flag for llc compatibility 2018-05-24 23:00:23 +00:00
LICM [MustExecute] Fix a debug invariant issue in isGuaranteedToExecute() 2018-05-25 13:02:59 +00:00
LoadStoreVectorizer [AMDGPU] Re-enabled 128bit wide-vector generation for local addr space by default. 2018-05-28 18:15:11 +00:00
LoopDataPrefetch [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopDeletion
LoopDistribute [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopIdiom [LoopIdiomRecognize] Add a test case to show incorrect transformation of an infinite loop with side effets into a countable loop using ctlz. 2018-05-03 23:50:29 +00:00
LoopInstSimplify [LoopInstSimplify] Re-implement the core logic of loop-instsimplify to 2018-05-29 20:15:38 +00:00
LoopInterchange [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopLoadElim
LoopPredication
LoopReroll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopRotate [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopSimplify [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopSimplifyCFG
LoopStrengthReduce [AMDGPU] Move lsr test. NFC. 2018-05-17 01:30:51 +00:00
LoopUnroll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopUnswitch [LoopUnswitch] Fix SCEV invalidation in unswitching 2018-05-23 10:09:53 +00:00
LoopVectorize [VPlan] Reland r332654 and silence unused func warning 2018-05-21 18:14:23 +00:00
LoopVersioning [LoopVersioning] Don't modify the list that we iterate over in addPHINodes 2018-05-22 08:33:02 +00:00
LoopVersioningLICM
LowerAtomic
LowerExpectIntrinsic
LowerGuardIntrinsic
LowerInvoke
LowerSwitch
LowerTypeTests revert r332610, it breaks cfi, see D46326 2018-05-21 11:44:39 +00:00
Mem2Reg [Debugify] Avoid printing unnecessary square braces, NFC 2018-05-24 23:00:22 +00:00
MemCpyOpt [MemCpyOpt] Skip optimizing basic blocks not reachable from entry 2018-04-23 19:55:04 +00:00
MergeFunc [MergeFunctions] Fix merging of small weak functions 2018-05-15 11:31:07 +00:00
MergeICmps [MergeICmps] Don't crash when memcmp is not available 2018-05-19 12:51:59 +00:00
MetaRenamer
NameAnonGlobals
NaryReassociate [NaryReassociate] Detect deleted instr with WeakVH 2018-05-24 06:09:02 +00:00
NewGVN [NewGVN] Fix handling of assumes 2018-05-22 17:38:22 +00:00
ObjCARC [ObjCARC] Prevent code motion into a catchswitch 2018-05-16 04:52:18 +00:00
PartiallyInlineLibCalls
PGOProfile [ICP] Do not attempt type matching for variable length arguments. 2018-04-25 17:19:21 +00:00
PhaseOrdering [PhaseOrdering] remove stale comments; NFC 2018-05-09 23:10:46 +00:00
PlaceSafepoints
PreISelIntrinsicLowering
PruneEH
Reassociate [Reassociate] Prevent infinite loops when processing PHIs. 2018-05-11 15:45:36 +00:00
Reg2Mem
RewriteStatepointsForGC
SafeStack [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
SampleProfile [SampleFDO] Don't treat warm callsite with inline instance in the profile as cold 2018-05-10 23:02:27 +00:00
Scalarizer [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
SCCP Revert r333268: [IPSCCP] Use PredicateInfo to propagate facts from... 2018-05-25 23:32:02 +00:00
SeparateConstOffsetFromGEP [Split GEP] handle trunc() in separate-const-offset-from-gep pass. 2018-05-11 21:13:19 +00:00
SimpleLoopUnswitch [PM/LoopUnswitch] When using the new SimpleLoopUnswitch pass, schedule 2018-05-30 02:46:45 +00:00
SimplifyCFG [SimplifyCFG] Fix a debug invariant bug in FoldBranchToCommonDest() 2018-05-18 08:52:15 +00:00
Sink
SLPVectorizer AMDGPU: Make v2i16/v2f16 legal on VI 2018-05-22 06:32:10 +00:00
SpeculateAroundPHIs
SpeculativeExecution
SROA [SROA] Handle PHI with multiple duplicate predecessors 2018-05-17 07:21:41 +00:00
StraightLineStrengthReduce
StripDeadPrototypes
StripSymbols
StructurizeCFG StructurizeCFG: Adjust the loop depth for a subregion to order the nodes correctly 2018-05-23 18:34:48 +00:00
SyntheticCountsPropagation
TailCallElim [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ThinLTOBitcodeWriter Fix build failures for r330387 on buildbots that don't build the X86 target 2018-04-20 02:26:12 +00:00
Util [LowerSwitch] Fixed faulty PHI node update 2018-05-22 08:46:48 +00:00
WholeProgramDevirt Runtime flag to control branch funnel threshold 2018-04-06 21:32:36 +00:00