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Bob Haarman a78ab77b6b remove inalloca parameters in globalopt and simplify argpromotion 
Summary:
Inalloca parameters require special handling in some optimizations.
This change causes globalopt to strip the inalloca attribute from
function parameters when it is safe to do so, removes the special
handling for inallocas from argpromotion, and replaces it with a
simple check that causes argpromotion to skip functions that receive
inallocas (for when the pass is invoked on code that didn't run
through globalopt first). This also avoids a case where argpromotion
would incorrectly try to pass an inalloca in a register.

Fixes PR41658.

Reviewers: rnk, efriedma

Reviewed By: rnk

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61286

llvm-svn: 359743
 		2019-05-02 00:37:36 +00:00
..
ADCE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
AddDiscriminators Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
AggressiveInstCombine Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
AlignmentFromAssumptions Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ArgumentPromotion remove inalloca parameters in globalopt and simplify argpromotion 2019-05-02 00:37:36 +00:00
AtomicExpand Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
BDCE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
BlockExtractor [BlockExtractor] Change the basic block separator from ',' to ';' 2019-04-29 16:14:00 +00:00
BranchFolding Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CallSiteSplitting Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CalledValuePropagation Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CanonicalizeAliases Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CodeExtractor Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CodeGenPrepare Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ConstProp Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ConstantHoisting Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ConstantMerge Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Coroutines Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
CorrelatedValuePropagation [CorrelatedValuePropagation] Mark subs that we know not to wrap with nuw/nsw. 2019-04-20 13:14:18 +00:00
CrossDSOCFI Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
DCE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
DeadArgElim Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
DeadStoreElimination Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
DivRemPairs Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
EarlyCSE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
EliminateAvailableExternally Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
EntryExitInstrumenter Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ExpandMemCmp/X86 Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Float2Int Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ForcedFunctionAttrs Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
FunctionAttrs Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
FunctionImport Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GCOVProfiling Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GVN [GVN+LICM] Use line 0 locations for better crash attribution 2019-04-19 22:36:40 +00:00
GVNHoist Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GVNSink Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GlobalDCE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GlobalMerge Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GlobalOpt remove inalloca parameters in globalopt and simplify argpromotion 2019-05-02 00:37:36 +00:00
GlobalSplit Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
GuardWidening [GuardWidening] Wire up a NPM version of the LoopGuardWidening pass 2019-04-18 19:17:14 +00:00
HotColdSplit Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
IPConstantProp Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
IRCE Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
IndVarSimplify [IndVarSimplify] Generate full checks for some LFTR tests; NFC 2019-04-20 12:05:53 +00:00
IndirectBrExpand Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
InferAddressSpaces Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
InferFunctionAttrs Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Inline Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
InstCombine [InstCombine] Limit a vector demanded elts rule which was producing invalid IR. 2019-04-30 23:09:26 +00:00
InstMerge Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
InstNamer Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
InstSimplify [NFC] Add baseline tests for int isKnownNonZero 2019-04-26 02:55:54 +00:00
InterleavedAccess Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Internalize Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
JumpThreading Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LCSSA Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LICM Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoadStoreVectorizer Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopDataPrefetch Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopDeletion Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopDistribute Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopFusion Add basic loop fusion pass. 2019-04-17 18:53:27 +00:00
LoopIdiom [NFC][LoopIdiomRecognize] Some basic baseline tests for bcmp loop idiom 2019-04-25 08:33:47 +00:00
LoopInstSimplify Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopInterchange Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopLoadElim Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopPredication [LoopPred] Fix a blatantly obvious bug in r358684 2019-04-18 17:01:19 +00:00
LoopReroll Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopRotate Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopSimplify Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopSimplifyCFG Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopStrengthReduce [LSR] Limit the recursion for setup cost 2019-04-23 08:52:21 +00:00
LoopTransformWarning Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopUnroll [LoopUnroll] Allow unrolling if the unrolled size does not exceed loop size. 2019-04-17 15:57:43 +00:00
LoopUnrollAndJam Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopUnswitch Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopVectorize [PassManagerBuilder] Add option for interleaved loops, for loop vectorize. 2019-04-30 21:29:20 +00:00
LoopVersioning Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LoopVersioningLICM Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerAtomic Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerExpectIntrinsic Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerGuardIntrinsic Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerInvoke Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerSwitch Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerTypeTests Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
LowerWidenableCondition Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
MakeGuardsExplicit Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Mem2Reg Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
MemCpyOpt Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
MergeFunc [MergeFunc] removeUsers: call remove() only on direct users 2019-04-19 07:57:51 +00:00
MergeICmps Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
MetaRenamer Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
NameAnonGlobals Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
NaryReassociate Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
NewGVN Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ObjCARC [ObjC][ARC] Let ARC optimizer bail out if the number of pointer states 2019-04-25 19:42:55 +00:00
PGOProfile [PGO][CHR] A bug fix. 2019-05-01 22:49:52 +00:00
PartiallyInlineLibCalls Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
PhaseOrdering Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
PlaceSafepoints Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
PreISelIntrinsicLowering Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
PruneEH Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Reassociate Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Reg2Mem Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
RewriteStatepointsForGC Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SCCP Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SLPVectorizer [SLP] Lit test that cannot get vectorized due to lack of look-ahead operand reordering heuristic. 2019-04-30 11:03:09 +00:00
SROA Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SafeStack Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SampleProfile [tests] Add host-byteorder-*-endian; update XFAILs of big-endian triples 2019-05-01 15:36:18 +00:00
ScalarizeMaskedMemIntrin/X86 Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Scalarizer Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SeparateConstOffsetFromGEP Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SimpleLoopUnswitch [NewPM] Add Option handling for SimpleLoopUnswitch 2019-04-22 10:35:07 +00:00
SimplifyCFG Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
Sink Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SpeculateAroundPHIs Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SpeculativeExecution Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
StraightLineStrengthReduce Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
StripDeadPrototypes Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
StripSymbols Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
StructurizeCFG Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
SyntheticCountsPropagation Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
TailCallElim Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
ThinLTOBitcodeWriter [ThinLTO] Fix ThinLTOCodegenerator to export llvm.used symbols 2019-04-17 17:38:09 +00:00
Util Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00
WholeProgramDevirt Revert "Temporarily Revert "Add basic loop fusion pass."" 2019-04-17 04:52:47 +00:00