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Wenlei He 7e71aa24bc [LICM] Make Loop ICM profile aware 
Summary:
Hoisting/sinking instruction out of a loop isn't always beneficial. Hoisting an instruction from a cold block inside a loop body out of the loop could hurt performance. This change makes Loop ICM profile aware - it now checks block frequency to make sure hoisting/sinking anly moves instruction to colder block.

Test Plan:

ninja check

Reviewers: asbirlea, sanjoy, reames, nikic, hfinkel, vsk

Reviewed By: asbirlea

Subscribers: fhahn, vsk, davidxl, xbolva00, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65060

llvm-svn: 368526
2019-08-11 06:05:35 +00:00
..
2003-02-26-LoopExitNotDominated.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-02-27-NestedLoopExitBlocks.ll
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2019-04-17 04:52:47 +00:00
2003-02-27-PreheaderExitNodeUpdate.ll
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2019-04-17 04:52:47 +00:00
2003-02-27-PreheaderProblem.ll
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2019-04-17 04:52:47 +00:00
2003-02-27-StoreSinkPHIs.ll
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2019-04-17 04:52:47 +00:00
2003-02-28-PromoteDifferentType.ll
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2019-04-17 04:52:47 +00:00
2003-05-02-LoadHoist.ll
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2019-04-17 04:52:47 +00:00
2003-12-11-SinkingToPHI.ll
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2019-04-17 04:52:47 +00:00
2004-09-14-AliasAnalysisInvalidate.ll
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2019-04-17 04:52:47 +00:00
2004-11-17-UndefIndexCrash.ll
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2019-04-17 04:52:47 +00:00
2006-09-12-DeadUserOfSunkInstr.ll
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2019-04-17 04:52:47 +00:00
2007-05-22-VolatileSink.ll
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2019-04-17 04:52:47 +00:00
2007-07-30-AliasSet.ll
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2019-04-17 04:52:47 +00:00
2007-09-17-PromoteValue.ll
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2019-04-17 04:52:47 +00:00
2007-09-24-PromoteNullValue.ll
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2019-04-17 04:52:47 +00:00
2007-10-01-PromoteSafeValue.ll
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2019-04-17 04:52:47 +00:00
2008-05-20-AliasSetVAArg.ll
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2019-04-17 04:52:47 +00:00
2008-07-22-LoadGlobalConstant.ll
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2019-04-17 04:52:47 +00:00
2009-12-10-LICM-Indbr-Crash.ll
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2019-04-17 04:52:47 +00:00
2011-04-06-HoistMissedASTUpdate.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-04-06-PromoteResultOfPromotion.ll
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2019-04-17 04:52:47 +00:00
2011-04-09-RAUW-AST.ll
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2019-04-17 04:52:47 +00:00
2011-07-06-Alignment.ll
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2019-04-17 04:52:47 +00:00
2014-09-10-doFinalizationAssert.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
alias-set-tracker-loss.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AliasSetMemSet.ll
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2019-04-17 04:52:47 +00:00
argmemonly-call.ll
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2019-04-17 04:52:47 +00:00
assume.ll
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2019-04-17 04:52:47 +00:00
atomics.ll
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2019-04-17 04:52:47 +00:00
basictest.ll
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2019-04-17 04:52:47 +00:00
bisect-state.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
call-hoisting.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
constexpr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
crash.ll
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2019-04-17 04:52:47 +00:00
debug-value.ll
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2019-04-17 04:52:47 +00:00
dropped-tbaa.ll
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2019-04-17 04:52:47 +00:00
explicit_guards.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
extra-copies.ll
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2019-04-17 04:52:47 +00:00
fence.ll
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2019-04-17 04:52:47 +00:00
funclet.ll
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2019-04-17 04:52:47 +00:00
guards.ll
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2019-04-17 04:52:47 +00:00
hoist-bitcast-load.ll
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2019-04-17 04:52:47 +00:00
hoist-debuginvariant.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
hoist-deref-load.ll
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2019-04-17 04:52:47 +00:00
hoist-fast-fdiv.ll
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2019-04-17 04:52:47 +00:00
hoist-invariant-load.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
hoist-mustexec.ll
Revert "[ValueTracking] Improve isKnowNonZero for Ints"
2019-05-08 14:50:01 +00:00
hoist-nounwind.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
hoist-phi.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
hoist-round.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
hoisting.ll
[LICM] Support unary FNeg in LICM
2019-08-08 21:38:31 +00:00
infinite_loops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
int_sideeffect.ll
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2019-04-17 04:52:47 +00:00
invariant.start.ll
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2019-04-17 04:52:47 +00:00
lcssa-ssa-promoter.ll
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2019-04-17 04:52:47 +00:00
loopsink-pr38462.ll
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2019-04-17 04:52:47 +00:00
loopsink-pr39570.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loopsink-pr39695.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loopsink.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
no-preheader-test.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
opt-remarks-conditional-load.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
opt-remarks-intervening-store.ll
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2019-04-17 04:52:47 +00:00
opt-remarks.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
outer-loop-deleted-before-licm.ll
[LICM] Allow AliasSetMap to contain top-level loops.
2019-05-14 19:41:36 +00:00
pr23608.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr26843.ll
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2019-04-17 04:52:47 +00:00
pr27262.ll
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2019-04-17 04:52:47 +00:00
pr32129.ll
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2019-04-17 04:52:47 +00:00
pr35342.ll
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2019-04-17 04:52:47 +00:00
pr36228.ll
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2019-04-17 04:52:47 +00:00
pr37323.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr40317.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PR19798.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PR21582.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PR24013.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pragma-licm-disable.ll
Add llvm.licm.disable metadata
2019-08-08 13:46:17 +00:00
preheader-safe.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Preserve-LCSSA.ll
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2019-04-17 04:52:47 +00:00
promote-order.ll
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2019-04-17 04:52:47 +00:00
promote-tls.ll
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2019-04-17 04:52:47 +00:00
read-only-calls.ll
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2019-04-17 04:52:47 +00:00
scalar-promote-memmodel.ll
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2019-04-17 04:52:47 +00:00
scalar-promote-unwind.ll
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2019-04-17 04:52:47 +00:00
scalar-promote.ll
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2019-04-17 04:52:47 +00:00
sink-foldable.ll
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2019-04-17 04:52:47 +00:00
sink-promote.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sink.ll
[LICM] Make Loop ICM profile aware
2019-08-11 06:05:35 +00:00
sinking.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
speculate.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
store-hoisting.ll
[LICM & MSSA] Limit unsafe sinking and hoisting.
2019-06-20 21:09:09 +00:00
strlen.ll
Add, and infer, a nofree function attribute
2019-07-08 15:57:56 +00:00
unrolled-deeply-nested.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
update-scev.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
volatile-alias.ll
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2019-04-17 04:52:47 +00:00