Graham Yiu 1f93c854d8 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316174 91177308-0d34-0410-b5e6-96231b3b80d8

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

..

ADCE

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

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

AddDiscriminators

[AddDiscriminators] Assign discriminators to MemIntrinsic calls.

2017-04-11 19:07:30 +00:00

AlignmentFromAssumptions

[PM] Port AlignmentFromAssumptions to the new PM.

2016-06-15 06:18:01 +00:00

ArgumentPromotion

[ArgPromotion] Preserve alignment of byval argument in new alloca

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

AtomicExpand

Add address space mangling to lifetime intrinsics

2017-04-10 20:18:21 +00:00

BDCE

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

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

BranchFolding

Move branch folding test to a better location.

2015-12-03 19:41:25 +00:00

CodeExtractor

Clean up a test case

2017-06-27 21:35:49 +00:00

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

[X86] Replace 'REQUIRES: x86' in tests with 'REQUIRES: x86-registered-target' which seems to be the correct way to make them run on an x86 build.

2017-06-04 08:21:58 +00:00

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

Add a counter-function insertion pass

2016-09-01 09:42:39 +00:00

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

[PM] Port EliminateAvailableExternally pass to the new pass manager.

2016-05-05 02:37:32 +00:00

Float2Int

[PM] Port float2int to the new pass manager

2016-06-24 23:32:02 +00:00

ForcedFunctionAttrs

[attrs] Split off the forced attributes utility into its own pass that

2015-12-27 08:13:45 +00:00

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

[PM] Teach the PGO instrumentation pasess to run GlobalDCE before

2017-05-25 07:15:09 +00:00

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

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

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

GuardWidening

[GuardWidening] Fix incorrect use of remove_if

2016-05-21 02:24:44 +00:00

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

Changed a comparison operator for std::stable_sort to implement strict weak ordering.

2017-06-08 17:27:40 +00:00

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

Add argmononly attribute to strlen and wcslen, i.e. they only read memory (string) passed to them.

2017-06-18 03:10:26 +00:00

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

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

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

InstNamer

Add basic test case for -instnamer

2017-05-08 23:18:46 +00:00

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

[Internalize] Test that __stack_chk_{guard, fail} are not internalized.

2016-06-05 19:08:54 +00:00

IPConstantProp

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

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

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

Revert "Revert r275883 and r275891. They seem to cause PR28608."

2016-07-20 01:55:27 +00:00

LICM

[LICM] Disallow sinking of unordered atomic loads into loops

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

LoadStoreVectorizer

Skip bitcasts while looking for GEP in LoadStoreVectorizer

2017-04-25 18:00:08 +00:00

LoopDataPrefetch

[PM] Port LoopDataPrefetch AArch64 tests to new pass manager

2016-08-22 12:59:58 +00:00

LoopDeletion

[Dominators] Teach LoopDeletion to use the new incremental API

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

LoopDistribute

Move test of lazy BFI with ORE to a generic directory

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

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

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

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

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

LPM: Drop require<loops> from these tests, it's redundant. NFC

2016-05-10 18:28:10 +00:00

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

[LAA] Correctly return a half-open range in expandBounds

2017-04-05 09:24:26 +00:00

LoopVersioningLICM

[LAA] Correctly return a half-open range in expandBounds

2017-04-05 09:24:26 +00:00

LowerAtomic

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

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

LowerExpectIntrinsic

Fix builin_expect lowering bug

2017-06-07 18:32:24 +00:00

LowerGuardIntrinsic

[PM] Port LowerGuardIntrinsic to the new PM.

2016-07-28 22:08:41 +00:00

LowerInvoke

[PM] Port LowerInvoke to the new pass manager

2016-08-12 17:28:27 +00:00

LowerSwitch

LowerSwitch: Fix producing invalid IR on unreachable code

2017-04-21 23:54:12 +00:00

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

Add address space mangling to lifetime intrinsics

2017-04-10 20:18:21 +00:00

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

[ThinLTO] Ensure anonymous globals renamed even at -O0

2016-09-17 20:40:16 +00:00

NaryReassociate

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

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

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

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

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

PGOProfile

[ThinLTO] Fix dead stripping analysis for SamplePGO

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

PhaseOrdering

Make globalaa-retained.ll test catching more cases.

2017-04-18 13:29:26 +00:00

PlaceSafepoints

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

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

PreISelIntrinsicLowering

[PM] Port PreISelIntrinsicLowering to the new PM

2016-06-24 20:13:42 +00:00

PruneEH

[PruneEH] Be correct in the face IPO

2016-10-03 19:35:30 +00:00

Reassociate

[Reassociate] auto-generate better checks; NFC

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

Reg2Mem

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

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

AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel

2017-03-21 21:39:51 +00:00

SimpleLoopUnswitch

[PM/Unswitch] Fix a bug in the domtree update logic for the new unswitch

2017-05-25 06:33:36 +00:00

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

Revert r301950: SpeculativeExecution: Stop using whitelist for costs

2017-05-10 12:30:07 +00:00

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

AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel

2017-03-21 21:39:51 +00:00

StripDeadPrototypes

[PM] Port StripDeadPrototypes to the new pass manager

2015-10-30 23:28:12 +00:00

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