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c45f92289b71b36cfba2b2e8e14547b3e04f8c21
llvm/test/Transforms
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Roman Lebedev c45f92289b [NFC][InstCombine] More test for "sign bit test via shifts" pattern (PR43595) 
While that pattern is indirectly handled via
reassociateShiftAmtsOfTwoSameDirectionShifts(),
that incursme one-use restriction on truncation,
which is pointless since we know that we'll produce a single instruction.

Additionally, *if* we are only looking for sign bit,
we don't need shifts to be identical,
which isn't the case in general,
and is the blocker for me in bug in question:

https://bugs.llvm.org/show_bug.cgi?id=43595

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374726 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-13 17:11:16 +00:00
..
ADCE
Add missing test for r366215
2019-07-16 15:28:29 +00:00
AddDiscriminators
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AggressiveInstCombine
[NFC] run specific pass instead of whole -O3 pipeline for popcount recoginzation testcase.
2019-10-11 05:30:18 +00:00
AlignmentFromAssumptions
[AlignmentFromAssumptions] getNewAlignmentDiff(): use getURemExpr()
2019-08-23 02:17:04 +00:00
ArgumentPromotion
IR: print value numbers for unnamed function arguments
2019-08-03 14:28:34 +00:00
AtomicExpand
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
BDCE
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
BlockExtractor
[BlockExtractor] Avoid assert with wrong line format
2019-08-20 14:46:02 +00:00
BranchFolding
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
CallSiteSplitting
CallSiteSplitting: Respect convergent and noduplicate
2019-05-29 16:59:48 +00:00
CanonicalizeAliases
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
CodeExtractor
[CodeExtractor] Fix sinking of allocas with multiple bitcast uses (PR42451)
2019-07-10 16:32:20 +00:00
CodeGenPrepare
[NFC} Updated test
2019-09-17 09:45:52 +00:00
ConstantHoisting
[RISCV] Fix RISCVTTIImpl::getIntImmCost for immediates where getMinSignedBits() > 64
2019-07-09 10:56:18 +00:00
ConstantMerge
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ConstProp
[ConstProp] add tests for extractelement with undef index; NFC
2019-10-09 20:14:17 +00:00
Coroutines
[coroutine] Fixes "cannot move instruction since its users are not dominated by CoroBegin" problem.
2019-08-15 00:48:51 +00:00
CorrelatedValuePropagation
[CVP] Remove a masking operation if range information implies it's a noop
2019-10-11 03:48:56 +00:00
CrossDSOCFI
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
DCE
[FPEnv] Strict FP tests should use the requisite function attributes.
2019-10-04 17:03:46 +00:00
DeadArgElim
[FunctionAttrs] Annotate "willreturn" for intrinsics
2019-07-28 06:09:56 +00:00
DeadStoreElimination
[FunctionAttrs] Annotate "willreturn" for intrinsics
2019-07-28 06:09:56 +00:00
DivRemPairs
[DivRemPairs] Don't assert that we won't ever get expanded-form rem pairs in different BB's (PR43500)
2019-09-29 15:25:24 +00:00
EarlyCSE
[EarlyCSE] Add support for unary FNeg to EarlyCSE
2019-08-07 14:34:41 +00:00
EliminateAvailableExternally
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
EntryExitInstrumenter
Reland "[ARM] push LR before __gnu_mcount_nc"
2019-08-16 23:30:16 +00:00
ExpandMemCmp
Revert "Reland "r364412 [ExpandMemCmp][MergeICmps] Move passes out of CodeGen into opt pipeline.""
2019-09-10 10:39:09 +00:00
Float2Int
[Float2Int] avoid crashing on unreachable code (PR38502)
2019-09-19 16:31:17 +00:00
ForcedFunctionAttrs
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
FunctionAttrs
[Attributor][FIX] Avoid splitting blocks if possible
2019-10-13 05:27:09 +00:00
FunctionImport
Reland "Change the X86 datalayout to add three address spaces
2019-09-10 23:15:38 +00:00
GCOVProfiling
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GlobalDCE
Dead Virtual Function Elimination
2019-10-11 11:59:55 +00:00
GlobalMerge
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GlobalOpt
[GlobalOpt] prevent crashing on large integer types (PR42932)
2019-08-09 12:43:25 +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
GVN
[GVN] Propagate simple equalities from assumes within the tail of the block
2019-09-03 17:31:19 +00:00
GVNHoist
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
GVNSink
[GVNSink] Add unary FNeg support to GVNSink pass
2019-06-28 19:57:31 +00:00
HardwareLoops
[ARM][LowOverheadLoops] Enable by default
2019-07-30 08:14:28 +00:00
HotColdSplit
Invalidate assumption cache before outlining.
2019-10-04 22:46:42 +00:00
IndirectBrExpand
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IndVarSimplify
[IndVars] An implementation of loop predication without a need for speculation
2019-10-01 17:03:44 +00:00
InferAddressSpaces
AMDGPU: Add intrinsics for address space identification
2019-09-05 02:20:39 +00:00
InferFunctionAttrs
[Attributor][MustExec] Deduce dereferenceable and nonnull attribute using MustBeExecutedContextExplorer
2019-10-08 15:25:56 +00:00
Inline
[Inliner] Remove incorrect early exit during switch cost computation
2019-09-20 23:29:17 +00:00
InstCombine
[NFC][InstCombine] More test for "sign bit test via shifts" pattern (PR43595)
2019-10-13 17:11:16 +00:00
InstMerge
[MergedLoadStoreMotion] Sink stores to BB with more than 2 predecessors
2019-09-05 17:00:32 +00:00
InstNamer
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
InstSimplify
[InstSimplify] fold fma/fmuladd with a NaN or undef operand
2019-10-02 12:12:02 +00:00
InterleavedAccess
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Internalize
Dead Virtual Function Elimination
2019-10-11 11:59:55 +00:00
IPConstantProp
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
IRCE
[SCEV] Add smin support to getRangeRef
2019-09-12 21:32:27 +00:00
JumpThreading
IR: print value numbers for unnamed function arguments
2019-08-03 14:28:34 +00:00
LCSSA
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LICM
[MemorySSA] Don't hoist stores if interfering uses (as calls) exist.
2019-10-03 22:20:04 +00:00
LoadStoreVectorizer
Handle casts changing pointer size in the vectorizer
2019-08-02 04:03:37 +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 "[IRBuilder] Fold consistently for or/and whether constant is LHS or RHS"
2019-07-07 22:12:01 +00:00
LoopFusion
[LoopFusion] Add ability to fuse guarded loops
2019-09-26 21:42:45 +00:00
LoopIdiom
[LoopIdiomRecognize] Recommit: BCmp loop idiom recognition
2019-10-12 15:35:32 +00:00
LoopInstSimplify
[LoopPassManager + MemorySSA] Only enable use of MemorySSA for LPMs known to preserve it.
2019-08-21 17:00:57 +00:00
LoopInterchange
[LoopInterchange] Properly move condition, induction increment and ops to latch.
2019-09-11 08:23:23 +00:00
LoopLoadElim
LoopLoadElim: Respect convergent
2019-06-12 13:50:47 +00:00
LoopPredication
[LoopPred] Extend LFTR normalization to the inverse EQ case
2019-07-09 01:27:45 +00:00
LoopReroll
[SCEV] Use NoWrapFlags when expanding a simple mul
2019-06-17 10:05:18 +00:00
LoopRotate
[LoopPassManager + MemorySSA] Only enable use of MemorySSA for LPMs known to preserve it.
2019-08-21 17:00:57 +00:00
LoopSimplify
[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion
2019-06-19 10:50:47 +00:00
LoopSimplifyCFG
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopStrengthReduce
[NFC][LSR] Avoid undefined grep in pr2570.ll
2019-06-19 16:02:54 +00:00
LoopTransformWarning
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopUnroll
[Unroll] Do NOT unroll a loop with small runtime upperbound
2019-09-26 21:40:27 +00:00
LoopUnrollAndJam
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
LoopUnswitch
[LoopUnroll+LoopUnswitch] do not transform loops containing callbr
2019-07-15 21:16:29 +00:00
LoopVectorize
recommit: [LoopVectorize][PowerPC] Estimate int and float register pressure separately in loop-vectorize
2019-10-12 02:53:04 +00:00
LoopVersioning
LoopVersioning: Respect convergent
2019-06-12 14:05:58 +00:00
LoopVersioningLICM
LoopVersioningLICM: Respect convergent and noduplicate
2019-05-29 20:47:59 +00:00
LowerAtomic
Transforms: lower fadd and fsub atomicrmw instructions
2019-05-23 17:03:43 +00:00
LowerExpectIntrinsic
Reland "clang-misexpect: Profile Guided Validation of Performance Annotations in LLVM"
2019-09-11 16:19:50 +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
Fix a crash when the default of a switch is removed
2019-06-03 17:54:15 +00:00
LowerTypeTests
LowerTypeTests: Rename local functions to avoid collisions with identically named functions in ThinLTO modules.
2019-10-03 23:42:44 +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
[ValueTracking] Improve pointer offset computation for cases of same base
2019-10-10 21:30:43 +00:00
MergeFunc
IR: print value numbers for unnamed function arguments
2019-08-03 14:28:34 +00:00
MergeICmps
[MergeICmps] Make the pass compatible with the new pass manager.
2019-05-23 12:35:26 +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
[NFC][NewGVN] Explicitly check fpmath metadata in fpmath.ll
2019-06-28 21:39:08 +00:00
ObjCARC
[ObjC][ARC] Skip debug instructions when computing the insert point of
2019-09-19 20:58:51 +00:00
PartiallyInlineLibCalls
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
PGOProfile
[PGO] Don't group COMDAT variables for compiler generated profile variables in ELF
2019-09-30 18:11:22 +00:00
PhaseOrdering
[NFC][PhaseOrdering] Add end-to-end tests for the 'two shifts by sext' problem
2019-09-27 19:32:43 +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
[Reassoc] Small fix to support unary FNeg in NegateValue(...)
2019-08-23 15:49:38 +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
SafeStack
[SafeStack] Insert the deref before remaining elements
2019-07-24 00:16:23 +00:00
SampleProfile
[SampleFDO] Add indexing for function profiles so they can be loaded on demand
2019-10-09 21:36:03 +00:00
ScalarizeMaskedMemIntrin/X86
[ScalarizeMaskedMemIntrin] Add test case for expanding scatter.
2019-08-07 23:16:29 +00:00
Scalarizer
[Intrinsic] Add the llvm.umul.fix.sat intrinsic
2019-09-07 12:16:14 +00:00
SCCP
[SCCP] Update condition to avoid overflow.
2019-07-31 18:22:22 +00:00
SeparateConstOffsetFromGEP
[lit] Delete empty lines at the end of lit.local.cfg NFC
2019-06-17 09:51:07 +00:00
SimpleLoopUnswitch
[LoopPassManager + MemorySSA] Only enable use of MemorySSA for LPMs known to preserve it.
2019-08-21 17:00:57 +00:00
SimplifyCFG
[SimplifyCFG] mergeConditionalStoreToAddress(): consider cost, not instruction count
2019-09-18 19:46:57 +00:00
Sink
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
SLPVectorizer
[CostModel][X86] Improve sum reduction costs.
2019-10-12 13:21:50 +00:00
SpeculateAroundPHIs
Ignore indirect branches from callbr.
2019-08-14 16:44:07 +00:00
SpeculativeExecution
Support FNeg in SpeculativeExecution pass
2019-05-14 16:51:18 +00:00
SROA
[SROA] Reuse existing lifetime markers if possible
2019-10-13 02:21:23 +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
StructurizeCFG: Relax uniformity checks.
2019-05-24 08:59:17 +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
cfi-icall: Allow the jump table to be optionally made non-canonical.
2019-08-09 22:31:59 +00:00
Util
Handle successor's PHI node correctly when flattening CFG merges two if-regions
2019-09-26 15:20:17 +00:00
WholeProgramDevirt
IR: print value numbers for unnamed function arguments
2019-08-03 14:28:34 +00:00