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85e632de29
Summary: This is a pass for speculative execution of instructions for simple if-then (triangle) control flow. It's aimed at GPUs, but could perhaps be used in other contexts. Enabling this pass gives us a 1.0% geomean improvement on Google benchmark suites, with one benchmark improving 33%. Credit goes to Jingyue Wu for writing an earlier version of this pass. Patched by Bjarke Roune. Test Plan: This patch adds a set of tests in test/Transforms/SpeculativeExecution/spec.ll The pass is controlled by a flag which defaults to having the pass not run. Reviewers: eliben, dberlin, meheff, jingyue, hfinkel Reviewed By: jingyue, hfinkel Subscribers: majnemer, jholewinski, llvm-commits Differential Revision: http://reviews.llvm.org/D9360 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237459 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
ADCE | ||
AddDiscriminators | ||
AlignmentFromAssumptions | ||
ArgumentPromotion | ||
AtomicExpand/ARM | ||
BBVectorize | ||
BDCE | ||
BranchFolding | ||
CodeExtractor | ||
CodeGenPrepare | ||
ConstantHoisting | ||
ConstantMerge | ||
ConstProp | ||
CorrelatedValuePropagation | ||
DeadArgElim | ||
DeadStoreElimination | ||
EarlyCSE | ||
Float2Int | ||
FunctionAttrs | ||
GCOVProfiling | ||
GlobalDCE | ||
GlobalOpt | ||
GVN | ||
IndVarSimplify | ||
Inline | ||
InstCombine | ||
InstMerge | ||
InstSimplify | ||
Internalize | ||
IPConstantProp | ||
IRCE | ||
JumpThreading | ||
LCSSA | ||
LICM | ||
LoadCombine | ||
LoopDeletion | ||
LoopDistribute | ||
LoopIdiom | ||
LoopInterchange | ||
LoopReroll | ||
LoopRotate | ||
LoopSimplify | ||
LoopStrengthReduce | ||
LoopUnroll | ||
LoopUnswitch | ||
LoopVectorize | ||
LowerAtomic | ||
LowerBitSets | ||
LowerExpectIntrinsic | ||
LowerInvoke | ||
LowerSwitch | ||
Mem2Reg | ||
MemCpyOpt | ||
MergeFunc | ||
MetaRenamer | ||
NaryReassociate | ||
ObjCARC | ||
PartiallyInlineLibCalls | ||
PhaseOrdering | ||
PlaceSafepoints | ||
PruneEH | ||
Reassociate | ||
Reg2Mem | ||
RewriteStatepointsForGC | ||
SampleProfile | ||
Scalarizer | ||
ScalarRepl | ||
SCCP | ||
SeparateConstOffsetFromGEP/NVPTX | ||
SimplifyCFG | ||
Sink | ||
SLPVectorizer | ||
SpeculativeExecution | ||
SROA | ||
StraightLineStrengthReduce | ||
StripSymbols | ||
StructurizeCFG | ||
TailCallElim | ||
TailDup | ||
Util |