Sanjoy Das 6da5a456f4 Partial fix for bug 22589 ...

Don't spend the entire iteration space in the scalar loop prologue if
computing the trip count overflows.  This change also gets rid of the
backedge check in the prologue loop and the extra check for
overflowing trip-count.

Differential Revision: http://reviews.llvm.org/D7715



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229731 91177308-0d34-0410-b5e6-96231b3b80d8

2015-02-18 19:32:25 +00:00

..

ADCE

…

AddDiscriminators

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

AlignmentFromAssumptions

…

ArgumentPromotion

FileCheck-ize a test to make it easier to migrate to typeless pointers

2015-02-15 04:14:00 +00:00

AtomicExpand/ARM

…

BBVectorize

This patch teaches IndVarSimplify to add nuw and nsw to certain kinds

2015-01-06 19:02:56 +00:00

BDCE

[BDCE] Don't forget uses of root instructions seen before the instruction itself

2015-02-18 03:12:28 +00:00

BranchFolding

Delete -std-compile-opts.

2014-10-16 20:00:02 +00:00

CodeExtractor

…

CodeGenPrepare

[GC] CodeGenPrep transform: simplify offsetable relocate

2015-01-14 23:27:07 +00:00

ConstantHoisting

…

ConstantMerge

…

ConstProp

…

CorrelatedValuePropagation

LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue()

2014-11-25 17:23:05 +00:00

DeadArgElim

DeadArgElim: aggregate Return assessment properly.

2015-02-11 23:13:11 +00:00

DeadStoreElimination

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

EarlyCSE

EarlyCSE: Add check lines for test added in r228760

2015-02-10 23:11:02 +00:00

FunctionAttrs

Normally an 'optnone' function goes through fast-isel, which does not

2014-11-03 18:19:26 +00:00

GCOVProfiling

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

GlobalDCE

Change the .ll syntax for comdats and add a syntactic sugar.

2015-01-06 22:55:16 +00:00

GlobalOpt

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

GVN

Allow PRE to insert no-cost phi nodes

2015-02-03 20:37:08 +00:00

IndVarSimplify

Fix PR22222

2015-01-15 01:46:09 +00:00

Inline

Fix a crash in the assumption cache when inlining indirect function calls

2015-02-12 21:04:22 +00:00

InstCombine

[InstCombine] Do not insert a GEP instruction before a landingpad instruction.

2015-02-18 03:30:11 +00:00

InstMerge

Minor fix after 229495.

2015-02-18 08:09:28 +00:00

InstSimplify

IR: Properly return nullptr when getAggregateElement is out-of-bounds

2015-02-16 04:02:09 +00:00

Internalize

…

IPConstantProp

…

IRCE

Teach IRCE to look at branch weights when recognizing range checks

2015-01-27 21:38:12 +00:00

JumpThreading

Update a test to make it easier to migrate to untyped pointers

2015-02-15 04:13:58 +00:00

LCSSA

Update a test to use FileCheck so it's easier to migrate to future typeless pointer changes

2015-02-15 04:13:57 +00:00

LICM

Teach isDereferenceablePointer() to look through bitcast constant expressions.

2015-02-05 09:15:37 +00:00

LoadCombine

Use AA in LoadCombine

2014-11-03 23:19:16 +00:00

LoopDeletion

…

LoopIdiom

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

LoopReroll

[LoopReroll] Relax some assumptions a little.

2015-02-16 17:02:00 +00:00

LoopRotate

LoopRotate: Don't walk the uses of a Constant

2015-01-27 06:21:43 +00:00

LoopSimplify

Teach SplitBlockPredecessors how to handle landingpad blocks.

2015-01-28 23:06:47 +00:00

LoopStrengthReduce

Reverting VLD1/VST1 base-updating/post-incrementing combining

2015-02-04 10:11:59 +00:00

LoopUnroll

Partial fix for bug 22589

2015-02-18 19:32:25 +00:00

LoopUnswitch

…

LoopVectorize

[LoopAccesses] Modify test to also check symbolic strides with memchecks

2015-02-18 03:43:32 +00:00

LowerAtomic

…

LowerExpectIntrinsic

[PM] Port LowerExpectIntrinsic to the new pass manager.

2015-01-24 11:13:02 +00:00

LowerInvoke

…

LowerSwitch

LowerSwitch: replace unreachable default with popular case destination

2015-01-23 20:43:51 +00:00

Mem2Reg

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

MemCpyOpt

ValueTracking: Make isBytewiseValue simpler and more powerful at the same time.

2015-02-07 19:29:02 +00:00

MergeFunc

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

MetaRenamer

…

ObjCARC

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

PartiallyInlineLibCalls

…

PhaseOrdering

…

PlaceSafepoints

PlaceSafepoints: modernize gc.result.* -> gc.result

2015-02-09 23:00:40 +00:00

PruneEH

Fix invalid LLVM IR in PruneEH tests

2015-02-11 02:06:47 +00:00

Reassociate

Reassociate: cannot negate a INT_MIN value

2015-02-11 19:54:44 +00:00

Reg2Mem

…

SampleProfile

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

Scalarizer

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

ScalarRepl

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

SCCP

SCCP: overdefined calls cannot become constant

2014-11-07 08:54:19 +00:00

SeparateConstOffsetFromGEP/NVPTX

[SeparateConstOffsetFromGEP] Fixed a bug related to unsigned modulo

2014-10-25 18:34:03 +00:00

SimplifyCFG

[CodeGenPrepare] Removed duplicate logic. SimplifyCFG already knows how to speculate calls to cttz/ctlz.

2015-02-13 14:15:48 +00:00

Sink

…

SLPVectorizer

[slp] Fix a nasty bug in the SLP vectorizer that Joerg pointed out.

2015-02-12 02:30:56 +00:00

SROA

[SROA] Apply a somewhat heavy and unpleasant hammer to fix PR22093, an

2015-01-05 04:17:53 +00:00

StraightLineStrengthReduce

Add straight-line strength reduction to LLVM

2015-02-03 19:37:06 +00:00

StripSymbols

IR: Move MDLocation into place

2015-01-14 22:27:36 +00:00

StructurizeCFG

StructurizeCFG: Use a reverse post-order traversal

2015-02-04 20:49:44 +00:00

TailCallElim

Fix tail recursion elimination

2014-11-19 13:32:51 +00:00

TailDup

…

Util

Correctly combine alias.scope metadata by a union instead of intersecting

2015-02-08 17:07:14 +00:00