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llvm-project/llvm/test/Transforms
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Sanjay Patel 62da6ecea2 [InstCombine] substitute equivalent constant to reduce logic-of-icmps 
(X == C) && (Y Pred1 X) --> (X == C) && (Y Pred1 C)
(X != C) || (Y Pred1 X) --> (X != C) || (Y Pred1 C)

This cooperates/overlaps with D78430, but it is a more general transform
that gets us most of the expected simplifications and several other
improvements.
http://volta.cs.utah.edu:8080/z/5gxjjc

PR45618:
https://bugs.llvm.org/show_bug.cgi?id=45618

Differential Revision: https://reviews.llvm.org/D78582
2020-04-23 10:19:16 -04:00
..
ADCE
[ADCE] Fix incorrect reporting of CFG changes
2020-04-14 20:26:13 +07:00
AddDiscriminators
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
AggressiveInstCombine
[AggressiveInstCombine] Add test with baseline CHECKs for aggressive inst combine for ICmp instruction.
2020-02-12 15:09:38 +02:00
AlignmentFromAssumptions
[AlignmentFromAssumptions] Fix a SCEV assertion resulting from address space differences.
2020-03-29 01:26:31 -05:00
ArgumentPromotion
[Attributor] Remove large and seemingly useless test
2020-04-15 21:26:36 -05:00
AtomicExpand
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
Attributor
[Attributor] Remove dependence edges eagerly
2020-04-21 15:22:10 -05:00
BDCE
Clang-trunk Generates Wrong Debug values with -O1
2019-11-21 13:53:10 -08:00
BlockExtractor
Revert "Revert "Reland "[Support] make report_fatal_error abort instead of exit"""
2020-02-13 10:16:06 -08:00
BranchFolding
…
CalledValuePropagation
…
CallSiteSplitting
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
CanonicalizeAliases
…
CodeExtractor
[CodeExtractor] Fix typo in check label to fix issue reported on D77354
2020-04-08 14:59:15 +01:00
CodeGenPrepare
[ARM] Replace arm vendor with none. NFC
2020-04-22 18:19:35 +01:00
ConstantHoisting
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
ConstantMerge
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ConstProp
[ConstProp] Add test for bitcast to gep fold; NFC
2020-03-04 18:27:20 +01:00
Coroutines
[Coroutines] Remove alignment check in shouldBeMustTail
2020-04-07 09:07:34 +08:00
CorrelatedValuePropagation
[ConstantRange] Use APInt::or/APInt::and for single elements.
2020-04-01 09:50:24 +01:00
CrossDSOCFI
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DCE
[AssumeBundles] preserve knowledge in DCE
2020-04-14 12:48:15 +02:00
DeadArgElim
[NFC] Fix trivial typos in comments
2020-01-06 10:50:26 +00:00
DeadStoreElimination
[DSE,MSSA] Add use of alloca, to guard against removal in the future.
2020-04-15 15:23:43 +01:00
DivRemPairs
[DivRemPairs] Freeze operands if they can be undef values
2020-03-25 03:46:14 +09:00
EarlyCSE
[AssumeBundles] Preserve information in EarlyCSE
2020-03-31 17:47:04 +02:00
EliminateAvailableExternally
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EntryExitInstrumenter
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
ExpandMemCmp
[ExpandMemCmp] Allow overlaping loads in the zero-relational case.
2020-04-02 11:20:47 +02:00
FixIrreducible
FixIrreducible: don't crash when moving a child loop
2020-04-22 07:47:30 +05:30
Float2Int
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ForcedFunctionAttrs
…
FunctionAttrs
[Attributor] Copy or port test cases related to Attributor to Attributor test folder
2019-12-02 15:36:29 +00:00
FunctionImport
Revert "Revert "Reland "[Support] make report_fatal_error abort instead of exit"""
2020-02-13 10:16:06 -08:00
GCOVProfiling
Revert "Revert "Reland "[Support] make report_fatal_error abort instead of exit"""
2020-02-13 10:16:06 -08:00
GlobalDCE
[WPD/VFE] Always emit vcall_visibility metadata for -fwhole-program-vtables
2020-01-23 11:36:01 -08:00
GlobalMerge
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GlobalOpt
[GlobalOpt] Explicitly set alignment of bool load/store operations.
2020-04-12 16:03:12 -07:00
GlobalSplit
[WPD/VFE] Always emit vcall_visibility metadata for -fwhole-program-vtables
2020-01-23 11:36:01 -08:00
GuardWidening
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
GVN
[GVN] Fix VNCoercion for Scalable Vector.
2020-04-10 17:49:07 -07:00
GVNHoist
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
GVNSink
Fix another instance where a variable was renamed in the generated LLVM IR. [NFC]
2020-03-23 22:53:29 -07:00
HardwareLoops
[ARM] Replace arm vendor with none. NFC
2020-04-22 18:19:35 +01:00
HotColdSplit
[HotColdSplit] Mark entire function cold when entry block is cold
2020-02-17 15:57:50 -08:00
IndirectBrExpand
…
IndVarSimplify
Revert "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)"
2020-04-03 20:15:04 +03:00
InferAddressSpaces
…
InferFunctionAttrs
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
Inline
Revert "[InlineFunction] Update metadata on loads that are return values"
2020-04-17 17:23:00 -04:00
InstCombine
[InstCombine] substitute equivalent constant to reduce logic-of-icmps
2020-04-23 10:19:16 -04:00
InstMerge
…
InstNamer
…
InstSimplify
[InstSimplify] fold and/or of compares with equality to min/max constant
2020-04-23 09:16:10 -04:00
InterleavedAccess
[ARM] Disable VLD4 under MVE
2019-12-08 10:37:29 +00:00
Internalize
Reland: Dead Virtual Function Elimination
2019-10-17 09:58:57 +00:00
IPConstantProp
[Attributor][NFC] Remove obsolete option from tests
2020-04-21 15:22:10 -05:00
IRCE
[IRCE] Use SCEVExpander to modify loop bound
2020-02-06 12:44:43 +03:00
JumpThreading
Fix MSan false positive due to select folding.
2020-03-31 15:25:42 -07:00
LCSSA
[SSAUpdater] Don't call ValueIsRAUWd upon single use replacement
2020-01-23 15:53:53 +07:00
LICM
[LICM] Try to merge debug locations when sinking.
2020-04-15 12:29:34 -07:00
LoadStoreVectorizer
AMDGPU: Fix broken check lines
2020-04-01 10:52:22 -07:00
LoopDataPrefetch
…
LoopDeletion
…
LoopDistribute
…
LoopFusion
[LoopFusion] Move instructions from FC1.GuardBlock to FC0.GuardBlock and
2020-01-30 18:02:22 +00:00
LoopIdiom
Require "target datalayout" to be at the beginning of an IR file.
2020-04-20 11:55:49 -07:00
LoopInstSimplify
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LoopInterchange
[llvm] Fix yet more missing FileCheck colons
2020-04-13 10:49:19 -06:00
LoopLoadElim
[LoopLoadElim] Fix crash by always checking simplify form
2020-04-10 09:23:28 +07:00
LoopPredication
[BasicBlock] fix looping in getPostdominatingDeoptimizeCall
2020-01-17 15:40:02 +03:00
LoopReroll
Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" as cleanups after D56351
2019-12-24 15:57:33 -08:00
LoopRotate
[LoopRotate] Cleanup test checks to fix issue reported on D77354
2020-04-03 17:21:37 +01:00
LoopSimplify
[LoopSimplify] Regenerate test checks; NFC
2020-01-11 11:02:24 +01:00
LoopSimplifyCFG
…
LoopStrengthReduce
[LoopStrengthReduce] Fix test checks to fix issue reported on D77227
2020-04-03 18:10:33 +01:00
LoopTransformWarning
…
LoopUnroll
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
LoopUnrollAndJam
[llvm] Make new pass manager's OptimizationLevel a class
2020-01-16 09:00:56 -08:00
LoopUnswitch
…
LoopVectorize
[ARM] Replace arm vendor with none. NFC
2020-04-22 18:19:35 +01:00
LoopVersioning
…
LoopVersioningLICM
…
LowerAtomic
…
LowerConstantIntrinsics
Reapply r374743 with a fix for the ocaml binding
2019-10-14 16:15:14 +00:00
LowerExpectIntrinsic
…
LowerGuardIntrinsic
…
LowerInvoke
…
LowerMatrixIntrinsics
[Matrix] Add option to use row-major matrix layout as default.
2020-04-06 10:00:56 +01:00
LowerSwitch
…
LowerTypeTests
LowerTypeTests: Rename local functions to avoid collisions with identically named functions in ThinLTO modules.
2019-10-03 23:42:44 +00:00
LowerWidenableCondition
…
MakeGuardsExplicit
…
Mem2Reg
…
MemCpyOpt
[ValueTracking] Fix usage of DataLayout::getTypeStoreSize()
2020-03-20 16:52:15 -07:00
MergeFunc
[NewPM] Port MergeFunctions pass
2020-01-14 20:55:41 +01:00
MergeICmps
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
MetaRenamer
…
NameAnonGlobals
…
NaryReassociate
…
NewGVN
Require "target datalayout" to be at the beginning of an IR file.
2020-04-20 11:55:49 -07:00
ObjCARC
[ObjC][ARC] Don't remove autoreleaseRV/retainRV pairs if the call isn't
2020-03-13 13:52:14 -07:00
OpenMP
[OpenMP][FIX] Do not use InaccessibleMemOrArgMemOnly for barrier and flush
2020-04-22 11:10:54 -05:00
PartiallyInlineLibCalls
…
PGOProfile
[CallSite Removal] a CallBase is never an IndirectCall for isInlineAsm
2020-04-06 16:14:46 -07:00
PhaseOrdering
[VectorCombine] transform bitcasted shuffle to wider elements
2020-04-19 08:24:38 -04:00
PlaceSafepoints
…
PreISelIntrinsicLowering
[ObjC] Override TailCallKind when lowering objc intrinsics
2019-11-11 08:30:06 -08:00
PruneEH
…
Reassociate
[Reassociate] add testcases for more than 1 pairs - NFC
2020-03-19 05:21:24 -04:00
Reg2Mem
…
RewriteStatepointsForGC
[RS4GC] Handle uses of extractelement for conversion from vector to scalar base
2020-03-06 16:28:49 -05:00
SafeStack
Require "target datalayout" to be at the beginning of an IR file.
2020-04-20 11:55:49 -07:00
SampleProfile
[SampleFDO] Port MD5 name table support to extbinary format.
2020-03-30 22:07:08 -07:00
ScalarizeMaskedMemIntrin/X86
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Scalarizer
[Scalarizer] Fix a non-deterministic scatter order problem
2020-04-20 16:05:33 +02:00
SCCP
[SCCP] Drop unnecessary early exit for ExtractValueInst.
2020-04-22 22:07:59 +01:00
SeparateConstOffsetFromGEP
Fix PR45371: SeparateConstOffsetFromGEP clean up bookkeeping
2020-04-01 12:38:15 -06:00
SimpleLoopUnswitch
Revert "[SimpleLoopUnswitch] Fix introduction of UB when hoisted condition may be undef or poison"
2020-02-28 11:10:46 +09:00
SimplifyCFG
Fix lifetime call in landingpad blocking Simplifycfg pass
2020-04-09 13:07:32 -07:00
Sink
…
SLPVectorizer
Allow disabling of vectorization using internal options
2020-04-14 18:09:10 -07:00
SpeculateAroundPHIs
…
SpeculativeExecution
…
SROA
Make IRBuilder automatically set alignment on load/store/alloca.
2020-04-13 13:43:14 -07:00
StraightLineStrengthReduce
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
StripDeadPrototypes
…
StripSymbols
…
StructurizeCFG
Introduce fix-irreducible pass
2020-04-15 15:05:51 +05:30
SyntheticCountsPropagation
…
TailCallElim
…
ThinLTOBitcodeWriter
ThinLTOBitcodeWriter: drop dso_local when a GlobalVariable is converted to a declaration
2020-03-05 18:09:33 -08:00
TypePromotion/ARM
Revert "[ARM][TypePromotion] Enable by default"
2019-12-22 11:27:11 -08:00
UnifyLoopExits
Introduce unify-loop-exits pass.
2020-03-30 13:23:56 -04:00
UniqueInternalLinkageNames
New pass to make internal linkage symbol names unique.
2020-04-20 15:05:22 -07:00
Util
Add option to limit Debugify to locations (omitting variables)
2020-04-06 15:04:55 -07:00
VectorCombine/X86
[VectorCombine] transform bitcasted shuffle to wider elements
2020-04-19 08:24:38 -04:00
WholeProgramDevirt
[WPD] Avoid noalias assumptions in unique return value optimization
2020-04-16 14:49:51 -07:00