Graham Yiu 488782efa3 The cost of splitting a large vector instruction is not being taken into account by the getUserCost function. This was leading to some loops being over unrolled. The cost of a vector instruction is now being multiplied by the cost of the type legalization. This will return a more accurate cost. ...

Committing on behalf on Brad Nemanich (brad.nemanich@ibm.com)

Differential Revision: https://reviews.llvm.org/D38961

llvm-svn: 316174

2017-10-19 18:16:31 +00:00

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ADCE

[ADCE][Dominators] Reapply: Teach ADCE to preserve dominators

2017-08-22 16:30:21 +00:00

AddDiscriminators

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AlignmentFromAssumptions

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ArgumentPromotion

[ArgPromotion] Preserve alignment of byval argument in new alloca

2017-08-04 17:09:11 +00:00

AtomicExpand

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BDCE

[BDCE] Don't check demanded bits on unsized types

2017-08-16 16:09:22 +00:00

BranchFolding

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CodeExtractor

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CodeGenPrepare

[CGP] In optimizeMemoryInst handle select similarly to phi

2017-10-03 13:04:15 +00:00

ConstantHoisting

[ConstantHoisting] Remove dupliate logic in constant hoisting

2017-07-10 20:45:34 +00:00

ConstantMerge

Canonicalize the representation of empty an expression in DIGlobalVariableExpression

2017-08-30 18:06:51 +00:00

ConstProp

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Coroutines

[coroutines] Add support for symmetric control transfer (musttail on coro.resumes followed by a suspend)

2017-08-25 02:25:10 +00:00

CorrelatedValuePropagation

[CVP] Process binary operations even when def is local

2017-10-12 22:39:52 +00:00

CountingFunctionInserter

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CrossDSOCFI

[cfi] Build __cfi_check as Thumb when applicable.

2017-08-29 22:29:15 +00:00

DCE

Add strictfp attribute to prevent unwanted optimizations of libm calls

2017-08-14 21:15:13 +00:00

DeadArgElim

Remove the obsolete offset parameter from @llvm.dbg.value

2017-07-28 20:21:02 +00:00

DeadStoreElimination

[DSE] Merge stores when the later store only writes to memory locations the early store also wrote to (2nd try)

2017-09-26 13:54:28 +00:00

DivRemPairs

[DivRemPairs] split tests per target to account for bots that don't build for all targets

2017-09-09 14:10:59 +00:00

EarlyCSE

[EarlyCSE] Handle calls with no MemorySSA info.

2017-07-14 20:13:21 +00:00

EliminateAvailableExternally

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Float2Int

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ForcedFunctionAttrs

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FunctionAttrs

Merge isKnownNonNull into isKnownNonZero

2017-09-09 18:23:11 +00:00

FunctionImport

Fix bot failures by requiring x86 target

2017-08-19 19:15:04 +00:00

GCOVProfiling

Canonicalize the representation of empty an expression in DIGlobalVariableExpression

2017-08-30 18:06:51 +00:00

GlobalDCE

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GlobalMerge

Canonicalize the representation of empty an expression in DIGlobalVariableExpression

2017-08-30 18:06:51 +00:00

GlobalOpt

Fixed reverted commit rL312318

2017-09-21 10:04:02 +00:00

GlobalSplit

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GuardWidening

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GVN

Remove a test after revert of rL315440

2017-10-17 06:43:31 +00:00

GVNHoist

[GVNHoist] Factor out reachability to search for anticipable instructions quickly

2017-09-13 05:28:03 +00:00

GVNSink

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IndVarSimplify

[SimplifyIndVar] Replace IVUsers with loop invariant whenever possible

2017-10-12 02:54:11 +00:00

InferAddressSpaces

[InferAddressSpaces] Fix assertion about null pointer

2017-07-07 02:40:13 +00:00

InferFunctionAttrs

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Inline

Move verbosity check for remarks to the diag handler

2017-10-04 04:26:23 +00:00

InstCombine

Revert r315992 because of a found miscompilation failure

2017-10-19 15:36:18 +00:00

InstMerge

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InstNamer

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InstSimplify

[ValueTracking] return zero when there's conflict in known bits of a shift (PR34838)

2017-10-12 17:31:46 +00:00

InterleavedAccess

[X86][LLVM]Expanding Supports lowerInterleaved{store|load}() in X86InterleavedAccess (VF64 stride 3-4)

2017-10-02 07:35:25 +00:00

Internalize

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IPConstantProp

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IRCE

[IRCE] Do not process empty safe ranges

2017-10-11 06:53:07 +00:00

JumpThreading

Disable jump threading into loop headers

2017-09-06 19:36:58 +00:00

LCSSA

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LICM

[LICM] Disallow sinking of unordered atomic loads into loops

2017-10-11 07:26:45 +00:00

LoadStoreVectorizer

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LoopDataPrefetch

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LoopDeletion

[Dominators] Teach LoopDeletion to use the new incremental API

2017-08-02 18:17:52 +00:00

LoopDistribute

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LoopIdiom

Remove the obsolete offset parameter from @llvm.dbg.value

2017-07-28 20:21:02 +00:00

LoopInterchange

[LoopInterchange] Skip zext instructions when looking for induction var.

2017-08-25 16:52:29 +00:00

LoopLoadElim

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LoopPredication

[LoopPredication] Check whether the loop is already guarded by the first iteration check condition

2017-10-12 21:21:17 +00:00

LoopReroll

Remove the obsolete offset parameter from @llvm.dbg.value

2017-07-28 20:21:02 +00:00

LoopRotate

Parse and print DIExpressions inline to ease IR and MIR testing

2017-08-23 20:31:27 +00:00

LoopSimplify

[SCEV] Teach SCEV to find maxBECount when loop endbound is variant

2017-10-13 14:30:43 +00:00

LoopSimplifyCFG

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LoopStrengthReduce

Revert r314886 "[X86] Improvement in CodeGen instruction selection for LEAs (re-applying post required revision changes.)"

2017-10-04 17:54:06 +00:00

LoopUnroll

The cost of splitting a large vector instruction is not being taken into account by the getUserCost function. This was leading to some loops being over unrolled. The cost of a vector instruction is now being multiplied by the cost of the type legalization. This will return a more accurate cost.

2017-10-19 18:16:31 +00:00

LoopUnswitch

[LoopUnswitch] Fix a simple bug which disables loop unswitch for select statement

2017-08-29 21:45:11 +00:00

LoopVectorize

[LV] Fix PR34743 - handle casts that sink after interleaved loads

2017-10-05 15:45:14 +00:00

LoopVersioning

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LoopVersioningLICM

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LowerAtomic

LowerAtomic: Don't skip optnone functions; atomic still need lowering (PR34020)

2017-08-23 15:43:28 +00:00

LowerExpectIntrinsic

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LowerGuardIntrinsic

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LowerInvoke

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LowerSwitch

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LowerTypeTests

LowerTypeTests: Give imported symbols a type with size 0 so that they are not assumed not to alias.

2017-10-13 21:02:16 +00:00

Mem2Reg

Re-land r313825: "[IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare"

2017-09-21 19:52:03 +00:00

MemCpyOpt

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MergeFunc

[MergeFunctions] Merge small functions if possible without a thunk.

2017-10-15 12:29:09 +00:00

MergeICmps

Re-land "[MergeICmps] Disable mergeicmps if the target does not want to handle memcmp expansion."

2017-10-10 08:00:45 +00:00

MetaRenamer

[MetaRenamer] Leave @main alone.

2017-08-01 05:14:45 +00:00

NameAnonGlobals

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NaryReassociate

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NewGVN

NewGVN: Fix PR 34473, by not using ExactlyEqualsExpression for finding

2017-09-30 23:51:55 +00:00

ObjCARC

[ObjCARC] Do not move a release that has the clang.imprecise_release tag

2017-10-16 16:46:59 +00:00

PartiallyInlineLibCalls

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PGOProfile

[ThinLTO] Fix dead stripping analysis for SamplePGO

2017-09-20 17:09:47 +00:00

PhaseOrdering

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PlaceSafepoints

All libcalls should be considered to be GC-leaf functions.

2017-07-27 16:49:39 +00:00

PreISelIntrinsicLowering

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PruneEH

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Reassociate

[Reassociate] auto-generate better checks; NFC

2017-10-13 20:56:35 +00:00

Reg2Mem

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RewriteStatepointsForGC

[RS4GC] Look through vector bitcasts when looking for base pointer

2017-10-13 15:59:13 +00:00

SafeStack

Parse and print DIExpressions inline to ease IR and MIR testing

2017-08-23 20:31:27 +00:00

SampleProfile

Use the first instruction's count to estimate the funciton's entry frequency.

2017-10-10 21:13:50 +00:00

Scalarizer

Remove the obsolete offset parameter from @llvm.dbg.value

2017-07-28 20:21:02 +00:00

SCCP

Revert "Reintroduce "[SCCP] Propagate integer range info for parameters in IPSCCP.""

2017-10-12 20:52:34 +00:00

SeparateConstOffsetFromGEP

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SimpleLoopUnswitch

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SimplifyCFG

[Hexagon] New HVX target features.

2017-10-18 18:07:07 +00:00

Sink

Enhance synchscope representation

2017-07-11 22:23:00 +00:00

SLPVectorizer

Revert rL315894, "SLPVectorizer.cpp: Try to appease stage2-3 difference. (D38586)"

2017-10-16 09:50:01 +00:00

SpeculativeExecution

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SROA

Re-land r313825: "[IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare"

2017-09-21 19:52:03 +00:00

StraightLineStrengthReduce

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StripDeadPrototypes

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StripSymbols

Canonicalize the representation of empty an expression in DIGlobalVariableExpression

2017-08-30 18:06:51 +00:00

StructurizeCFG

[Dominators] Include infinite loops in PostDominatorTree

2017-08-15 18:14:57 +00:00

TailCallElim

[TRE] Add another test for OptRemark.

2017-07-19 21:39:51 +00:00

ThinLTOBitcodeWriter

ModuleUtils: Stop using comdat members to generate unique module ids.

2017-10-05 21:54:53 +00:00

Util

[InstCombine] Add a flag to disable LowerDbgDeclare

2017-09-13 01:43:25 +00:00

WholeProgramDevirt

LowerTypeTests: Add import/export support for targets without absolute symbol constants.

2017-09-11 22:49:10 +00:00