Guozhi Wei 92e9d0e80e [InstCombine] Combine A->B->A BitCast ...

This patch enhances InstCombine to handle following case:

        A  ->  B    bitcast
        PHI
        B  ->  A    bitcast

llvm-svn: 262670

2016-03-03 23:21:38 +00:00

..

ADCE

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AddDiscriminators

Reimplement discriminator assignment algorithm.

2015-11-19 19:53:05 +00:00

AlignmentFromAssumptions

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

ArgumentPromotion

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AtomicExpand

ARM: sink atomic release barrier as far as possible into cmpxchg.

2016-02-22 20:55:50 +00:00

BBVectorize

Have a single way for creating unique value names.

2015-11-22 00:16:24 +00:00

BDCE

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BranchFolding

Move branch folding test to a better location.

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

CodeExtractor

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CodeGenPrepare

[CodeGenPrepare] Remove load-based heuristic

2016-02-25 00:23:27 +00:00

ConstantHoisting

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ConstantMerge

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ConstProp

IR: Make ConstantDataArray::getFP actually return a ConstantDataArray

2015-12-09 21:21:07 +00:00

CorrelatedValuePropagation

[LVI] Extend select handling to catch min/max/clamp idioms

2016-02-26 22:53:59 +00:00

CrossDSOCFI

[cfi] Cross-DSO CFI diagnostic mode (LLVM part).

2016-01-25 23:35:03 +00:00

DeadArgElim

[OperandBundles] Have DeadArgElim play nice with operand bundles

2015-12-23 09:58:36 +00:00

DeadStoreElimination

[BasicAliasAnalysis] Take into account operand bundles in the getModRefInfo function

2016-01-16 12:15:53 +00:00

EarlyCSE

Fix several accidental DOS line endings in source files

2016-01-03 17:22:03 +00:00

EliminateAvailableExternally

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Float2Int

[Float2Int] Don't operate on vector instructions

2015-12-09 21:08:18 +00:00

ForcedFunctionAttrs

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

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

FunctionAttrs

Revert "[attrs] Handle convergent CallSites."

2016-02-22 18:24:43 +00:00

FunctionImport

FunctionImport: add a progressive heuristic to limit importing too deep in the callgraph

2016-02-10 23:31:45 +00:00

GCOVProfiling

[GCOV] Avoid emitting profile arcs for module and skeleton CUs

2016-01-21 17:04:42 +00:00

GlobalDCE

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GlobalOpt

Add another test for the GlobalOpt change in r212079.

2016-03-02 20:02:25 +00:00

GVN

Fix tests that used CHECK-NEXT-NOT and CHECK-DAG-NOT.

2016-02-26 19:40:34 +00:00

IndVarSimplify

[SCEV] Try to reuse existing value during SCEV expansion

2016-02-04 01:27:38 +00:00

InferFunctionAttrs

[BasicAA] Remove special casing of memset_pattern16 in favor of generic attribute inference

2016-01-06 04:53:16 +00:00

Inline

Infrastructure for PGO enhancements in inliner

2016-03-03 18:26:33 +00:00

InstCombine

[InstCombine] Combine A->B->A BitCast

2016-03-03 23:21:38 +00:00

InstMerge

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InstSimplify

[InstSimplify] Restore fsub 0.0, (fsub 0.0, X) ==> X optzn

2016-02-29 12:18:25 +00:00

Internalize

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IPConstantProp

[SCCP] Don't violate the lattice invariants

2016-01-07 21:36:16 +00:00

IRCE

[SCEV] Try to reuse existing value during SCEV expansion

2016-02-04 01:27:38 +00:00

JumpThreading

[JumpThreading] Simplify Instructions first in ComputeValueKnownInPredecessors()

2016-02-26 06:06:04 +00:00

LCSSA

[WinEH] Update LCSSA to handle catchswitch with handlers inside and outside a loop

2015-12-18 18:12:35 +00:00

LICM

[LICM] Teach LICM how to handle cases where the alias set tracker was

2016-02-27 04:34:07 +00:00

LoadCombine

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LoopDataPrefetch/PowerPC

[LoopDataPrefetch] Make it testable with opt

2016-02-22 21:41:22 +00:00

LoopDeletion

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LoopDistribute

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LoopIdiom

[LIR] Avoid turning non-temporal stores into memset

2016-02-17 21:00:06 +00:00

LoopInterchange

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LoopLoadElim

[LLE] Add testcase for the fix in r262267

2016-03-01 00:50:14 +00:00

LoopReroll

Allow setting MaxRerollIterations above 16

2016-02-22 09:38:28 +00:00

LoopRotate

[LoopRotate] Don't perform loop rotation if the loop header calls a convergent function.

2016-02-12 21:01:33 +00:00

LoopSimplify

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LoopSimplifyCFG

Add LoopSimplifyCFG pass

2016-01-29 22:35:36 +00:00

LoopStrengthReduce

[SCEV] Try to reuse existing value during SCEV expansion

2016-02-04 01:27:38 +00:00

LoopUnroll

[LoopUnrolling] Fix a bug introduced in r259869 (PR26688).

2016-02-22 21:21:45 +00:00

LoopUnswitch

[IR] Reformulate LLVM's EH funclet IR

2015-12-12 05:38:55 +00:00

LoopVectorize

[LoopUtils, LV] Fix PR26734

2016-03-03 16:12:01 +00:00

LoopVersioning

[LoopVersioning] Expose loop versioning as a pass too

2016-02-03 00:06:10 +00:00

LoopVersioningLICM

Corrected tests for Loop Versioning LICM, by adding “REQUIRES: asserts”.

2016-02-06 12:34:41 +00:00

LowerAtomic

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LowerBitSets

[cfi] Fix LowerBitSets on 32-bit targets.

2015-12-21 22:14:04 +00:00

LowerExpectIntrinsic

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LowerInvoke

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LowerSwitch

Have a single way for creating unique value names.

2015-11-22 00:16:24 +00:00

Mem2Reg

[Mem2Reg] Respect optnone

2015-12-11 13:36:59 +00:00

MemCpyOpt

Fix PR26051: Memcpy optimization should introduce a call to memcpy before the store destination position

2016-01-06 23:50:22 +00:00

MergeFunc

[IR] Remove terminatepad

2015-12-14 18:34:23 +00:00

MetaRenamer

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

NaryReassociate

[NaryReassociate] allow candidate to have a different type

2015-12-18 21:36:30 +00:00

ObjCARC

[ObjCARC] Handle ARCInstKind::ClaimRV in OptimizeIndividualCalls.

2016-02-17 18:51:27 +00:00

PartiallyInlineLibCalls

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PGOProfile

[PGO] Indirect-call profile annotation in IR level profiling

2016-02-10 18:24:45 +00:00

PhaseOrdering

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PlaceSafepoints

[PlaceSafepoints] Clamp NoStatepoints to true

2016-01-28 21:51:14 +00:00

PruneEH

[PruneEH] Don't try to insert a terminator after another terminator

2016-01-23 06:00:44 +00:00

Reassociate

Reassociate: Reprocess RedoInsts after each inst

2016-01-26 18:42:36 +00:00

Reg2Mem

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RewriteStatepointsForGC

[RS4GC] "Constant fold" the rs4gc-split-vector-values flag

2016-02-22 21:01:28 +00:00

SafeStack

[safestack] Make sure the unsafe stack pointer is popped in all cases

2016-02-02 01:03:11 +00:00

SampleProfile

Perform InstructioinCombiningPass before SampleProfile pass.

2016-03-01 22:53:02 +00:00

Scalarizer

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ScalarRepl

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

SCCP

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SeparateConstOffsetFromGEP

[ValueTracking] Remove dead code from an old experiment

2016-03-03 19:44:06 +00:00

SimplifyCFG

[SimplifyCFG] Do not blindly remove unreachable blocks

2016-02-24 10:02:16 +00:00

Sink

[IR] Reformulate LLVM's EH funclet IR

2015-12-12 05:38:55 +00:00

SLPVectorizer

Fix tests that used CHECK-NEXT-NOT and CHECK-DAG-NOT.

2016-02-26 19:40:34 +00:00

SpeculativeExecution

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SROA

[SROA] Also insert a bit piece expression if only one piece is needed

2016-01-14 20:06:34 +00:00

StraightLineStrengthReduce

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StripDeadPrototypes

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StripSymbols

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StructurizeCFG

AMDGPU: Remove some old intrinsic uses from tests

2016-02-11 06:02:01 +00:00

TailCallElim

Push isDereferenceableAndAlignedPointer down into isSafeToLoadUnconditionally

2016-01-17 12:35:29 +00:00

TailDup

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Util

Make check line consistent

2016-02-07 20:57:46 +00:00

WholeProgramDevirt

WholeProgramDevirt: introduce.

2016-02-09 22:50:34 +00:00