Michael Kuperstein 2360eb02ec [LoopUnroll] Don't peel loops where the latch isn't the exiting block ...

Peeling assumed this doesn't happen, but didn't check it.
This fixes PR32178.

Differential Revision: https://reviews.llvm.org/D30757


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297993 91177308-0d34-0410-b5e6-96231b3b80d8

2017-03-16 21:07:48 +00:00

..

ADCE

[ADCE] Add code to remove dead branches

2016-12-13 16:42:18 +00:00

AddDiscriminators

Encode duplication factor from loop vectorization and loop unrolling to discriminator.

2017-02-10 21:09:07 +00:00

AlignmentFromAssumptions

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ArgumentPromotion

Verifier: Disallow a line number without a file in DISubprogram

2017-02-17 23:57:42 +00:00

AtomicExpand

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BBVectorize

Introduce -unroll-partial-threshold to separate PartialThreshold from Threshold in loop unorller.

2017-01-17 23:39:33 +00:00

BDCE

[BDCE] Skip metadata while replacing uses.

2016-12-07 21:47:32 +00:00

BranchFolding

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CodeExtractor

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CodeGenPrepare

[SimplifyCFG] move tests for PR31028 from CGP

2017-03-13 19:59:14 +00:00

ConstantHoisting

[Constant Hoisting] Avoid inserting instructions before EH pads

2017-03-01 22:41:12 +00:00

ConstantMerge

Don't merge global constants with non-dbg metadata.

2017-03-09 00:03:37 +00:00

ConstProp

opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.

2017-02-17 17:36:52 +00:00

Coroutines

[coroutines] Add handling for unwind coro.ends

2017-03-07 21:00:54 +00:00

CorrelatedValuePropagation

Revert r282872 "CVP. Turn marking adds as no wrap on by default"

2017-02-23 22:29:00 +00:00

CountingFunctionInserter

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CrossDSOCFI

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DCE

llvm/test/Transforms/DCE/calls-errno.ll: Suppress checking @pow(+0,-1).

2016-11-04 18:50:45 +00:00

DeadArgElim

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DeadStoreElimination

[DeadStoreElimination] Check function modref behavior before considering memory clobbered

2017-03-01 14:38:29 +00:00

EarlyCSE

[EarlyCSE] Don't DSE across readnone functions that may throw

2017-01-17 20:15:47 +00:00

EliminateAvailableExternally

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Float2Int

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ForcedFunctionAttrs

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FunctionAttrs

[FunctionAttrs] try to extend nonnull-ness of arguments from a callsite back to its parent function

2017-02-13 23:10:51 +00:00

FunctionImport

[ModuleSummaryAnalysis] Don't crash when referencing unnamed globals.

2017-02-22 18:53:38 +00:00

GCOVProfiling

[IR] Remove the DIExpression field from DIGlobalVariable.

2016-12-20 02:09:43 +00:00

GlobalDCE

[PH] Replace uses of AssertingVH from members of analysis results with

2017-01-24 12:55:57 +00:00

GlobalMerge

Renumber testcase metadata nodes after r290153.

2016-12-22 00:45:21 +00:00

GlobalOpt

Verifier: Disallow a line number without a file in DISubprogram

2017-02-17 23:57:42 +00:00

GlobalSplit

Fix one-after-the-end type metadata handling in globalsplit.

2017-03-07 22:18:48 +00:00

GuardWidening

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GVN

opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.

2017-02-17 17:36:52 +00:00

GVNHoist

Handle UnreachableInst in isGuaranteedToTransferExecutionToSuccessor

2017-03-08 01:54:50 +00:00

IndVarSimplify

[ValueTracking] Don't do an unchecked shift in ComputeNumSignBits

2017-02-25 20:30:45 +00:00

InferAddressSpaces

Bug 31948: Fix assertion when bitcasting constantexpr pointers

2017-02-17 00:32:19 +00:00

InferFunctionAttrs

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Inline

[PM/Inliner] Fix a bug in r297374 where we would leave stale calls in

2017-03-16 10:45:42 +00:00

InstCombine

[InstCombine] avoid breaking up bitcasted vector min/max patterns (PR32306)

2017-03-16 20:42:45 +00:00

InstMerge

Remove the load hoisting code of MLSM, it is completely subsumed by GVNHoist

2017-01-24 19:55:36 +00:00

InstSimplify

[InstSimplify] allow folds for bool vector div/rem

2017-03-09 21:56:03 +00:00

InterleavedAccess

[ARM/AArch64] Support wide interleaved accesses

2017-03-02 15:11:20 +00:00

Internalize

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IPConstantProp

[IPCP] Don't propagate return value for naked functions.

2017-02-04 19:44:14 +00:00

IRCE

[IRCE] Add a missing invariant check

2017-02-07 23:59:07 +00:00

JumpThreading

[JumpThread] Use AA in SimplifyPartiallyRedundantLoad()

2017-03-08 15:22:30 +00:00

LCSSA

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LICM

Use a WeakVH for UnknownInstructions in AliasSetTracker

2017-03-11 01:15:48 +00:00

LoadCombine

[LoadCombine] Change test to not use instcombine.

2017-02-10 00:44:08 +00:00

LoadStoreVectorizer

LoadStoreVectorizer: Split even sized illegal chains properly

2017-02-23 03:58:53 +00:00

LoopDataPrefetch

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LoopDeletion

[PM] Teach LoopDeletion to correctly update the LPM when loops are

2017-01-18 02:41:26 +00:00

LoopDistribute

Move test of lazy BFI with ORE to a generic directory

2017-01-13 00:16:23 +00:00

LoopIdiom

Fix some broken CHECK lines.

2017-01-22 20:28:56 +00:00

LoopInterchange

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LoopLoadElim

[PM] Port LoopLoadElimination to the new pass manager and wire it into

2017-01-27 01:32:26 +00:00

LoopPredication

Loop predication expand both sides of the widened condition

2017-02-27 15:44:49 +00:00

LoopReroll

[LoopReroll] Make root-finding more aggressive.

2016-11-21 22:35:34 +00:00

LoopRotate

[LoopRotate] Propagate dbg.value intrinsics

2017-03-08 09:56:22 +00:00

LoopSimplify

[BasicBlockUtils] Use getFirstNonPHIOrDbg to set debugloc for instructions created in SplitBlockPredecessors

2017-02-14 21:10:40 +00:00

LoopSimplifyCFG

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LoopStrengthReduce

Set option enabling LSR alternative way to resolve complex solution to false.

2017-03-04 03:14:05 +00:00

LoopUnroll

[LoopUnroll] Don't peel loops where the latch isn't the exiting block

2017-03-16 21:07:48 +00:00

LoopUnswitch

Fix a bug when unswitching on partial LIV for SwitchInst

2017-02-27 18:00:13 +00:00

LoopVectorize

[TargetTransformInfo] getIntrinsicInstrCost() scalarization estimation improved

2017-03-14 06:35:36 +00:00

LoopVersioning

[LDist] Match behavior between invoking via optimization pipeline or opt -loop-distribute

2016-12-21 04:07:40 +00:00

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

IR: Type ID summary extensions for WPD; thread summary into WPD pass.

2017-02-13 19:26:18 +00:00

Mem2Reg

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MemCpyOpt

MemCpyOptimizer: don't create new addrspace casts

2017-03-14 22:37:38 +00:00

MergeFunc

MergeFunctions: Preserve debug info in thunks, under option -mergefunc-preserve-debug-info

2017-01-21 02:02:56 +00:00

MetaRenamer

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NameAnonGlobals

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NaryReassociate

Revert @llvm.assume with operator bundles (r289755-r289757)

2016-12-19 08:22:17 +00:00

NewGVN

Add missing condprop-xfail.ll that contains the remaining xfail'd tests

2017-03-14 01:46:51 +00:00

ObjCARC

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PartiallyInlineLibCalls

Add positive test for sqrt "partial inlining". NFC.

2017-01-04 21:24:56 +00:00

PGOProfile

Revert "[PGO] Value profile for size of memory intrinsic calls"

2017-03-16 13:16:35 +00:00

PhaseOrdering

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PlaceSafepoints

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PreISelIntrinsicLowering

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PruneEH

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Reassociate

[Reassociate] Add negated value of negative constant to the Duplicates list.

2017-02-23 18:49:03 +00:00

Reg2Mem

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RewriteStatepointsForGC

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SafeStack

[Fuchsia] Use thread-pointer ABI slots for stack-protector and safe-stack

2017-02-24 03:10:10 +00:00

SampleProfile

Remove the sample pgo annotation heuristic that uses call count to annotate basic block count.

2017-03-06 17:49:59 +00:00

Scalarizer

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SCCP

opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.

2017-02-17 17:36:52 +00:00

SeparateConstOffsetFromGEP

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SimplifyCFG

[SimplifyCFG] move tests for PR31028 from CGP

2017-03-13 19:59:14 +00:00

Sink

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SLPVectorizer

[X86] Add missing BITREVERSE costs for SSE2 vectors and i8/i16/i32/i64 scalars

2017-03-15 19:34:55 +00:00

SpeculativeExecution

SpeculativeExecution: Allow speculating more inst types

2016-10-28 20:00:33 +00:00

SROA

[DIExpression] Introduce a dedicated DW_OP_LLVM_fragment operation

2016-12-05 18:04:47 +00:00

StraightLineStrengthReduce

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StripDeadPrototypes

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StripSymbols

Renumber testcase metadata nodes after r290153.

2016-12-22 00:45:21 +00:00

StructurizeCFG

Revert "Fix PR 24415 (at least), by making our post-dominator tree behavior sane."

2017-03-02 21:08:37 +00:00

TailCallElim

Avoid tail recursion elimination across calls with operand bundles

2016-11-07 21:01:49 +00:00

ThinLTOBitcodeWriter

ThinLTOBitcodeWriter: Do not follow operand edges of type GlobalValue when looking for virtual functions.

2017-03-02 23:10:17 +00:00

Util

PredicateInfo: Support switch statements

2017-02-22 22:20:58 +00:00

WholeProgramDevirt

WholeProgramDevirt: Implement export/import support for VCP.

2017-03-10 20:13:58 +00:00