Arnold Schwaighofer 2ced33808e SCEVExpander: Try hard not to create derived induction variables in other loops ... During LSR of one loop we can run into a situation where we have to expand the start of a recurrence of a loop induction variable in this loop. This start value is a value derived of the induction variable of a preceeding loop. SCEV has cannonicalized this value to a different recurrence than the recurrence of the preceeding loop's induction variable (the type and/or step direction) has changed). When we come to instantiate this SCEV we created a second induction variable in this preceeding loop. This patch tries to base such derived induction variables of the preceeding loop's induction variable. This helps twolf on arm and seems to help scimark2 on x86. Reapply with a fix for the case of a value derived from a pointer. radar://15970709 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201496 91177308-0d34-0410-b5e6-96231b3b80d8		2014-02-16 15:49:50 +00:00
..
AliasAnalysis.h
AliasSetTracker.h
BlockFrequencyImpl.h	Clean up whitespace	2014-01-31 21:45:51 +00:00
BlockFrequencyInfo.h	BlockFrequencyInfo: Readded getEntryFreq.	2013-12-20 22:11:11 +00:00
BranchProbabilityInfo.h	Re-sort all of the includes with ./utils/sort_includes.py so that	2014-01-07 11:48:04 +00:00
CallGraph.h	[PM] [cleanup] Rearrange the public and private sections of this class	2013-12-02 12:35:56 +00:00
CallGraphSCCPass.h
CallPrinter.h
CaptureTracking.h
CFG.h	Add some constantness.	2013-08-20 23:04:15 +00:00
CFGPrinter.h	Put the functionality for printing a value to a raw_ostream as an	2014-01-09 02:29:41 +00:00
CodeMetrics.h
ConstantFolding.h
ConstantsScanner.h
DependenceAnalysis.h	delinearization of arrays	2013-11-12 22:47:20 +00:00
DominanceFrontier.h	[PM] Split DominatorTree into a concrete analysis result object which	2014-01-13 13:07:17 +00:00
DomPrinter.h
DOTGraphTraitsPass.h	[PM] Add a really simple trait to the DOTGraphTraitsPass class templates	2013-11-26 03:43:52 +00:00
FindUsedTypes.h
InlineCost.h
InstructionSimplify.h
Interval.h
IntervalIterator.h
IntervalPartition.h	Correct word hyphenations	2013-12-05 05:44:44 +00:00
IVUsers.h
LazyCallGraph.h	[PM] Fix horrible typos that somehow didn't cause a failure in a C++11	2014-02-06 05:17:02 +00:00
LazyValueInfo.h
LibCallAliasAnalysis.h
LibCallSemantics.h
Lint.h
Loads.h
LoopInfo.h	Re-sort all of the includes with ./utils/sort_includes.py so that	2014-01-07 11:48:04 +00:00
LoopInfoImpl.h	[cleanup] Move the Dominators.h and Verifier.h headers into the IR	2014-01-13 09:26:24 +00:00
LoopIterator.h
LoopPass.h	Disable most IR-level transform passes on functions marked 'optnone'.	2014-02-06 00:07:05 +00:00
MemoryBuiltins.h	Teach MemoryBuiltins about address spaces	2013-12-14 00:27:48 +00:00
MemoryDependenceAnalysis.h
Passes.h	delinearization of arrays	2013-11-12 22:47:20 +00:00
PHITransAddr.h
PostDominators.h	[cleanup] Move the Dominators.h and Verifier.h headers into the IR	2014-01-13 09:26:24 +00:00
PtrUseVisitor.h
RegionInfo.h	Correct word hyphenations	2013-12-05 05:44:44 +00:00
RegionIterator.h
RegionPass.h	Fix c++ mode comments	2014-01-06 19:52:42 +00:00
RegionPrinter.h
ScalarEvolution.h	ScalarEvolution: Analyze trip count of loops with a switch guarding the exit.	2014-02-11 15:44:32 +00:00
ScalarEvolutionExpander.h	SCEVExpander: Try hard not to create derived induction variables in other loops	2014-02-16 15:49:50 +00:00
ScalarEvolutionExpressions.h	SCEVRewriter: Optionally interpret constants in value map as SCEVConstant	2014-01-10 18:20:29 +00:00
ScalarEvolutionNormalization.h
SparsePropagation.h
TargetTransformInfo.h	[Vectorizer] Add a new 'OperandValueKind' in TargetTransformInfo called	2014-02-12 23:43:47 +00:00
Trace.h
ValueTracking.h	Teach MemoryBuiltins and InstructionSimplify that operator new never returns NULL.	2013-09-24 16:37:51 +00:00