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cc3c3219a7
This patch generalizes the UnrollLoop utility to support loops that exit from the header instead of the latch. Usually, LoopRotate would take care of must of those cases, but in some cases (e.g. -Oz), LoopRotate does not kick in. Codesize impact looks relatively neutral on ARM64 with -Oz + LTO. Program master patch diff External/S.../CFP2006/447.dealII/447.dealII 629060.00 627676.00 -0.2% External/SPEC/CINT2000/176.gcc/176.gcc 1245916.00 1244932.00 -0.1% MultiSourc...Prolangs-C/simulator/simulator 86100.00 86156.00 0.1% MultiSourc...arks/Rodinia/backprop/backprop 66212.00 66252.00 0.1% MultiSourc...chmarks/Prolangs-C++/life/life 67276.00 67312.00 0.1% MultiSourc...s/Prolangs-C/compiler/compiler 69824.00 69788.00 -0.1% MultiSourc...Prolangs-C/assembler/assembler 86672.00 86696.00 0.0% Reviewers: efriedma, vsk, paquette Reviewed By: paquette Differential Revision: https://reviews.llvm.org/D61962 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364398 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
AliasSet | ||
AssumptionCache | ||
BasicAA | ||
BlockFrequencyInfo | ||
BranchProbabilityInfo | ||
CallGraph | ||
CFLAliasAnalysis | ||
ConstantFolding | ||
CostModel | ||
Delinearization | ||
DemandedBits | ||
DependenceAnalysis | ||
DivergenceAnalysis | ||
DominanceFrontier | ||
Dominators | ||
GlobalsModRef | ||
IVUsers | ||
LazyCallGraph | ||
LazyValueAnalysis | ||
LegacyDivergenceAnalysis | ||
Lint | ||
LoopAccessAnalysis | ||
LoopInfo | ||
MemoryDependenceAnalysis | ||
MemorySSA | ||
MustExecute | ||
PhiValues | ||
PostDominators | ||
ProfileSummary | ||
RegionInfo | ||
ScalarEvolution | ||
ScopedNoAliasAA | ||
StackSafetyAnalysis | ||
TypeBasedAliasAnalysis | ||
ValueTracking | ||
alias-analysis-uses.ll |