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David Stenberg 0af67e5b65 [SimplifyCFG] Fix a debug invariant bug in FoldBranchToCommonDest() 
Summary:
Fix a case where FoldBranchToCommonDest() would bail out from doing CSE
when encountering a debug intrinsic. Handle that by skipping past the
debug intrinsics.

Also, as a minor refactoring, rename checkCSEInPredecessor() to
tryCSEWithPredecessor() to make it a bit more clear that the function
may remove instructions.

Reviewers: fhahn, craig.topper, dblaikie, xbolva00

Reviewed By: fhahn, xbolva00

Subscribers: vsk, davide, llvm-commits

Differential Revision: https://reviews.llvm.org/D46635

llvm-svn: 332698
 		2018-05-18 08:52:15 +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 [AlignmentFromAssumptions] Set source and dest alignments of memory intrinsiscs separately 2018-02-22 18:55:59 +00:00
ArgumentPromotion [ArgumentPromotion] don't break musttail invariant PR36543 2018-03-02 00:59:27 +00:00
AtomicExpand
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BDCE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
BlockExtractor BlockExtractor: Don’t delete functions directly 2018-03-12 22:28:18 +00:00
BranchFolding
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CallSiteSplitting [CallSiteSplit] Make sure we remove nonnull if the parameter turns out to be a constant. 2018-04-23 20:09:08 +00:00
CalledValuePropagation
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CodeExtractor [CodeExtractor] Allow extracting blocks with exception handling 2018-05-11 22:49:49 +00:00
CodeGenPrepare [CGP] Split large data structres to sink more GEPs 2018-05-10 18:27:36 +00:00
ConstProp
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ConstantHoisting [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ConstantMerge
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Coroutines [Coroutines] PR34897: Fix incorrect elisions 2018-05-11 03:12:28 +00:00
CorrelatedValuePropagation [CVP] simplify phi with constant incoming values that match common variable edge values 2018-04-10 20:42:39 +00:00
CrossDSOCFI
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DCE [DCE] Salvage debug info from dead insts 2018-02-15 22:26:18 +00:00
DeadArgElim [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
DeadStoreElimination [DSE] Teach the pass about partial overwrite of atomic memory intrinsics 2018-05-10 15:12:49 +00:00
DivRemPairs
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EarlyCSE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
EliminateAvailableExternally
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EntryExitInstrumenter [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ExpandMemCmp/X86
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Float2Int
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ForcedFunctionAttrs
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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
GVN [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GVNHoist [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GVNSink
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GlobalDCE
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GlobalMerge
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GlobalOpt [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GlobalSplit
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GuardWidening [LoopGuardWidening] Make PostDomTree optional 2018-04-27 23:15:56 +00:00
IPConstantProp [IPSCCP] do not break musttail invariant (PR36485) 2018-03-01 01:19:18 +00:00
IRCE [IRCE] Only check for NSW on equality predicates 2018-04-18 13:50:28 +00:00
IndVarSimplify [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
IndirectBrExpand
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InferAddressSpaces [AMDGPU] Switch to the new addr space mapping by default 2018-02-02 16:07:16 +00:00
InferFunctionAttrs [SimplifyLibcalls] Replace locked IO with unlocked IO 2018-05-16 11:39:52 +00:00
Inline [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
InstCombine [InstCombine] Propagate the nsw/nuw flags from the add in the 'shifty' abs pattern to the sub in the select version. 2018-05-17 16:29:52 +00:00
InstMerge [MergedLoadStoreMotion] Fix a debug invariant bug in mergeStores 2018-05-09 06:52:12 +00:00
InstNamer
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InstSimplify [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
InterleavedAccess
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Internalize
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JumpThreading Fix the issue that ComputeValueKnownInPredecessors only handles the case when 2018-05-01 14:47:24 +00:00
LCSSA [LCSSA] Do not remove used PHI nodes in formLCSSAForInstructions 2018-05-08 06:59:47 +00:00
LICM [LICM] Extend the MustExecute scope 2018-05-18 04:56:28 +00:00
LoadStoreVectorizer [LoadStoreVectorize] Ignore interleaved invariant loads. 2018-04-24 15:28:47 +00:00
LoopDataPrefetch [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopDeletion
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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
LoopInterchange [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopLoadElim
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LoopPredication [LoopPredication] Add profitability check based on BPI 2018-03-22 16:03:59 +00:00
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
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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 [NFC] Use FileCheck in test 2018-04-24 04:42:37 +00:00
LoopVectorize [LV][VPlan] Build plain CFG with simple VPInstructions for outer loops. 2018-05-17 19:24:47 +00:00
LoopVersioning
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LoopVersioningLICM
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LowerAtomic
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LowerExpectIntrinsic
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LowerGuardIntrinsic
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LowerInvoke
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LowerSwitch
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LowerTypeTests In thin and full LTO + CFI, direct function calls may go through jump table 2018-05-17 14:29:07 +00:00
Mem2Reg [Debugify] Print the output to stderr 2018-05-17 18:19:58 +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 [MergeICmp] Split blocks that do other work. 2018-04-09 13:14:06 +00:00
MetaRenamer
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NameAnonGlobals
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NaryReassociate Add early exit on reassociation of 0 expression. 2018-03-07 02:17:08 +00:00
NewGVN [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ObjCARC [ObjCARC] Prevent code motion into a catchswitch 2018-05-16 04:52:18 +00:00
PGOProfile [ICP] Do not attempt type matching for variable length arguments. 2018-04-25 17:19:21 +00:00
PartiallyInlineLibCalls
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PhaseOrdering [PhaseOrdering] remove stale comments; NFC 2018-05-09 23:10:46 +00:00
PlaceSafepoints
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PreISelIntrinsicLowering
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PruneEH [PM][FunctionAttrs] add NoUnwind attribute inference to PostOrderFunctionAttrs pass 2018-03-23 21:46:16 +00:00
Reassociate [Reassociate] Prevent infinite loops when processing PHIs. 2018-05-11 15:45:36 +00:00
Reg2Mem
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RewriteStatepointsForGC [RewriteStatepoints] Fix stale parse points 2018-03-05 22:27:30 +00:00
SCCP Revert r328307: [IPSCCP] Use constant range information for comparisons of parameters. 2018-03-23 12:49:39 +00:00
SLPVectorizer [AMDGPU] Support horizontal vectorization of min/max. 2018-05-09 21:18:34 +00:00
SROA [SROA] Handle PHI with multiple duplicate predecessors 2018-05-17 07:21:41 +00:00
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
SeparateConstOffsetFromGEP [Split GEP] handle trunc() in separate-const-offset-from-gep pass. 2018-05-11 21:13:19 +00:00
SimpleLoopUnswitch [PM/LoopUnswitch] Fix a bug in the loop block set formation of the new 2018-04-24 10:33:08 +00:00
SimplifyCFG [SimplifyCFG] Fix a debug invariant bug in FoldBranchToCommonDest() 2018-05-18 08:52:15 +00:00
Sink
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SpeculateAroundPHIs
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SpeculativeExecution
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StraightLineStrengthReduce
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StripDeadPrototypes
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StripSymbols
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StructurizeCFG StructurizeCFG: fix inverting conditions 2018-05-15 21:41:55 +00:00
SyntheticCountsPropagation
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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 Require DominatorTree when requiring/preserving LoopInfo in the old pass manager 2018-05-17 09:05:40 +00:00
WholeProgramDevirt Runtime flag to control branch funnel threshold 2018-04-06 21:32:36 +00:00