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llvm-mirror/lib/Transforms/Scalar
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Adam Nemet 21662c36f7 [LoopVersioning] Expose loop versioning as a pass too 
Summary:
LoopVersioning is a transform utility that transform passes can use to
run-time disambiguate may-aliasing accesses. I'd like to also expose as
pass to allow it to be unit-tested.

I am planning to add support for non-aliasing annotation in
LoopVersioning and I'd like to be able to write tests directly using
this pass.

(After that feature is done, the pass could also be used to look for
optimization opportunities that are hidden behind incomplete alias
information at compile time.)

The pass drives LoopVersioning in its default way which is to fully
disambiguate may-aliasing accesses no matter how many checks are
required.

Reviewers: hfinkel, ashutosh.nema, sbaranga

Subscribers: zzheng, mssimpso, llvm-commits, sanjoy

Differential Revision: http://reviews.llvm.org/D16612

llvm-svn: 259610
2016-02-03 00:06:10 +00:00
..
ADCE.cpp Avoid overly large SmallPtrSet/SmallSet 2016-01-30 01:24:31 +00:00
AlignmentFromAssumptions.cpp [SCEV] Add and use SCEVConstant::getAPInt; NFCI 2015-12-17 20:28:46 +00:00
BDCE.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
CMakeLists.txt Add LoopSimplifyCFG pass 2016-01-29 22:35:36 +00:00
ConstantHoisting.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
ConstantProp.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
CorrelatedValuePropagation.cpp [AttributeSet] Overload AttributeSet::addAttribute to reduce compile 2015-12-02 06:58:49 +00:00
DCE.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
DeadStoreElimination.cpp Revert r255247, r255265, and r255286 due to serious compile-time regressions. 2015-12-11 18:39:41 +00:00
EarlyCSE.cpp [EarlyCSE] DSE of atomic unordered stores 2015-12-17 18:50:50 +00:00
FlattenCFGPass.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
Float2Int.cpp [Float2Int] Don't operate on vector instructions 2015-12-09 21:08:18 +00:00
GVN.cpp [GVN] Add clarifying assert [NFCI] 2016-01-29 02:23:10 +00:00
InductiveRangeCheckElimination.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
IndVarSimplify.cpp [IndVars] Hoist DataLayout load out of loop; NFC 2016-01-27 17:05:09 +00:00
JumpThreading.cpp [opaque pointer types] [NFC] FindAvailableLoadedValue: take LoadInst instead of just the pointer. 2016-01-22 01:51:51 +00:00
LICM.cpp [LICM] Keep metadata on control equivalent hoists 2016-01-28 15:51:58 +00:00
LLVMBuild.txt Update libdeps in LLVMipo and LLVMScalarOpts, corresponding to r245940. 2015-08-25 17:11:17 +00:00
LoadCombine.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
LoopDeletion.cpp LoopInfo: Simplify ownership of Loop objects 2016-01-08 19:08:53 +00:00
LoopDistribute.cpp LPM: Stop threading Pass * through all of the loop utility APIs. NFC 2015-12-15 19:40:57 +00:00
LoopIdiomRecognize.cpp [LIR] Add support for structs and hand unrolled loops 2016-01-26 02:27:47 +00:00
LoopInstSimplify.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
LoopInterchange.cpp LPM: Stop threading Pass * through all of the loop utility APIs. NFC 2015-12-15 19:40:57 +00:00
LoopLoadElimination.cpp [SCEV] Add and use SCEVConstant::getAPInt; NFCI 2015-12-17 20:28:46 +00:00
LoopRerollPass.cpp Enable loopreroll to rerool loop with pointer induction variable. 2016-01-25 19:43:45 +00:00
LoopRotation.cpp LoopRotate: Convert the methods of LoopRotate to utility functions. NFC 2015-12-14 23:22:48 +00:00
LoopSimplifyCFG.cpp Fix typo in LoopSimplifyCFG 2016-01-29 23:12:52 +00:00
LoopStrengthReduce.cpp [SCEV] Add and use SCEVConstant::getAPInt; NFCI 2015-12-17 20:28:46 +00:00
LoopUnrollPass.cpp LoopUnroll: Move the actual unrolling logic to a standalone function. NFC 2016-01-12 05:21:37 +00:00
LoopUnswitch.cpp LoopPass: Simplify the API for adding a new loop. NFC 2015-10-22 21:21:32 +00:00
LowerAtomic.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
LowerExpectIntrinsic.cpp fix typo; NFC 2015-08-24 20:11:14 +00:00
MemCpyOptimizer.cpp Fix PR26051: Memcpy optimization should introduce a call to memcpy before the store destination position 2016-01-06 23:50:22 +00:00
MergedLoadStoreMotion.cpp Fix some Clang-tidy modernize warnings, other minor fixes. 2015-11-04 22:32:32 +00:00
NaryReassociate.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
PartiallyInlineLibCalls.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
PlaceSafepoints.cpp [PlaceSafepoints] Use DEBUG() instead of TraceLSP 2016-01-28 23:49:27 +00:00
Reassociate.cpp Reassociate: Reprocess RedoInsts after each inst 2016-01-26 18:42:36 +00:00
Reg2Mem.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
RewriteStatepointsForGC.cpp Avoid overly large SmallPtrSet/SmallSet 2016-01-30 01:24:31 +00:00
Scalar.cpp [LoopVersioning] Expose loop versioning as a pass too 2016-02-03 00:06:10 +00:00
Scalarizer.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
ScalarReplAggregates.cpp [opaque pointer types] [NFC] DataLayout::getIndexedOffset: take source element type instead of pointer type and rename to getIndexedOffsetInType. 2016-01-22 03:08:27 +00:00
SCCP.cpp Fix build bot breakage 2016-01-24 16:46:53 +00:00
SeparateConstOffsetFromGEP.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
SimplifyCFGPass.cpp PM: Fix an inverted condition in simplifyFunctionCFG 2016-01-15 21:21:39 +00:00
Sink.cpp [IR] Reformulate LLVM's EH funclet IR 2015-12-12 05:38:55 +00:00
SpeculativeExecution.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
SROA.cpp Fix buildbot failure introduced by 258010. Remove local variables became unused. 2016-01-17 12:59:40 +00:00
StraightLineStrengthReduce.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
StructurizeCFG.cpp Scalar: Remove remaining ilist iterator implicit conversions 2015-10-13 19:26:58 +00:00
TailRecursionElimination.cpp Change isSafeToLoadUnconditionally arguments order. Separated from http://reviews.llvm.org/D10920. 2016-01-15 15:27:46 +00:00