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llvm-project/llvm/test/Transforms
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Sanjay Patel 510d647a4d [InstCombine] X / (X * Y) -> 1 / Y if the multiplication does not overflow 
The related cases for (X * Y) / X were handled in rL124487.

https://rise4fun.com/Alive/6k9

The division in these tests is subsequently eliminated by existing instcombines
for 1/X.

llvm-svn: 324843
2018-02-11 17:20:32 +00:00
..
ADCE
[ADCE][Dominators] Reapply: Teach ADCE to preserve dominators
2017-08-22 16:30:21 +00:00
AddDiscriminators
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
AggressiveInstCombine
[AggressiveInstCombine] Fixed TruncCombine class to handle TruncInst leaf node correctly.
2018-01-31 22:39:05 +00:00
AlignmentFromAssumptions
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
ArgumentPromotion
[Debugify] Handled unsized types
2018-01-06 00:37:01 +00:00
AtomicExpand
…
BDCE
[BDCE] Don't check demanded bits on unsized types
2017-08-16 16:09:22 +00:00
BlockExtractor
[llvm-extract] Support extracting basic blocks
2018-01-23 21:51:34 +00:00
BranchFolding
…
CalledValuePropagation
Add CalledValuePropagation pass
2017-10-25 13:40:08 +00:00
CallSiteSplitting
[CallSiteSplitting] Fix infinite loop when recording conditions.
2018-01-26 10:36:50 +00:00
CodeExtractor
[PartialInliner] Update test (NFC).
2018-02-04 18:40:24 +00:00
CodeGenPrepare
[AMDGPU] Switch to the new addr space mapping by default
2018-02-02 16:07:16 +00:00
ConstantHoisting
Fix out-of-order stepping behavior in programs with hoisted constants.
2017-11-09 20:01:31 +00:00
ConstantMerge
Canonicalize the representation of empty an expression in DIGlobalVariableExpression
2017-08-30 18:06:51 +00:00
ConstProp
[TargetLibraryInfo] fix finite mathlib function availability
2018-01-08 17:38:09 +00:00
Coroutines
[coroutines] Add support for symmetric control transfer (musttail on coro.resumes followed by a suspend)
2017-08-25 02:25:10 +00:00
CorrelatedValuePropagation
[CVP] Don't Replace incoming values from unreachable blocks with undef.
2018-01-29 05:59:55 +00:00
CrossDSOCFI
[cfi] Build __cfi_check as Thumb when applicable.
2017-08-29 22:29:15 +00:00
DCE
Add an @llvm.sideeffect intrinsic
2017-11-08 21:59:51 +00:00
DeadArgElim
[DeadArgumentElimination] Preserve llvm.dbg.values's first argument
2018-01-30 16:42:04 +00:00
DeadStoreElimination
[DSE] make sure memory is not modified before partial store merging (PR36129)
2018-01-30 13:53:59 +00:00
DivRemPairs
[DivRemPairs] split tests per target to account for bots that don't build for all targets
2017-09-09 14:10:59 +00:00
EarlyCSE
[EarlyCSE] Salvage debug info during DCE
2018-01-09 15:08:37 +00:00
EliminateAvailableExternally
…
EntryExitInstrumenter
EntryExitInstrumenter: set DebugLocs on the inserted call instructions (PR35412)
2017-11-28 18:44:26 +00:00
ExpandMemCmp/X86
[x86, MemCmpExpansion] allow 2 pairs of loads per block (PR33325)
2018-01-06 16:16:04 +00:00
Float2Int
…
ForcedFunctionAttrs
…
FunctionAttrs
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
FunctionImport
Make GlobalValues with non-default visibilility dso_local.
2018-01-18 02:08:23 +00:00
GCOVProfiling
Canonicalize the representation of empty an expression in DIGlobalVariableExpression
2017-08-30 18:06:51 +00:00
GlobalDCE
…
GlobalMerge
Canonicalize the representation of empty an expression in DIGlobalVariableExpression
2017-08-30 18:06:51 +00:00
GlobalOpt
Re-commit : [PowerPC] Add handling for ColdCC calling convention and a pass to mark
2018-01-30 16:17:22 +00:00
GlobalSplit
…
GuardWidening
…
GVN
[NFC] fix trivial typos in comments
2018-01-24 05:04:35 +00:00
GVNHoist
[GVNHoist] Fix: PR35222 gvn-hoist incorrectly erases load in case of a loop
2018-01-04 07:47:24 +00:00
GVNSink
Add an @llvm.sideeffect intrinsic
2017-11-08 21:59:51 +00:00
IndirectBrExpand
Introduce the "retpoline" x86 mitigation technique for variant #2 of the speculative execution vulnerabilities disclosed today, specifically identified by CVE-2017-5715, "Branch Target Injection", and is one of the two halves to Spectre..
2018-01-22 22:05:25 +00:00
IndVarSimplify
Re-enable "[SCEV] Make isLoopEntryGuardedByCond a bit smarter"
2018-02-07 11:16:29 +00:00
InferAddressSpaces
[AMDGPU] Switch to the new addr space mapping by default
2018-02-02 16:07:16 +00:00
InferFunctionAttrs
…
Inline
[NFC] fix trivial typos in comments and documents
2018-01-29 05:17:03 +00:00
InstCombine
[InstCombine] X / (X * Y) -> 1 / Y if the multiplication does not overflow
2018-02-11 17:20:32 +00:00
InstMerge
…
InstNamer
…
InstSimplify
[ValueTracking] don't crash when assumptions conflict (PR36270)
2018-02-08 14:52:40 +00:00
InterleavedAccess
[X86][LLVM]Expanding Supports lowerInterleaved{store|load}() in X86InterleavedAccess (VF64 stride 3-4)
2017-10-02 07:35:25 +00:00
Internalize
…
IPConstantProp
[IPSCCP] Remove calls without side effects
2018-01-09 21:58:46 +00:00
IRCE
Re-enable "[SCEV] Make isLoopEntryGuardedByCond a bit smarter"
2018-02-07 11:16:29 +00:00
JumpThreading
[Dominators] Visit affected node candidates found at different root levels
2018-01-19 21:27:24 +00:00
LCSSA
Revert r323472 "[Debug] Add dbg.value intrinsics for PHIs created during LCSSA."
2018-02-05 16:10:42 +00:00
LICM
The xfailed test from r324448 passed on one of the bots: remove it entirely for now.
2018-02-07 06:54:11 +00:00
LoadStoreVectorizer
[AMDGPU] Switch to the new addr space mapping by default
2018-02-02 16:07:16 +00:00
LoopDataPrefetch
…
LoopDeletion
[LoopDeletion] Handle users in unreachable block
2018-01-12 07:24:43 +00:00
LoopDistribute
…
LoopIdiom
[LoopIdiom] Be more aggressive when setting alignment in memcpy
2018-02-08 17:33:08 +00:00
LoopInterchange
[LoopInterchange] Fix phi node ordering miscompile.
2017-10-21 13:58:37 +00:00
LoopLoadElim
…
LoopPredication
[Loop Predication] Teach LP about reverse loops with uge and sge latch conditions
2018-02-08 10:34:08 +00:00
LoopReroll
Remove the obsolete offset parameter from @llvm.dbg.value
2017-07-28 20:21:02 +00:00
LoopRotate
[LoopRotate] Detect loops with indirect branches better (we're giving up on them).
2018-01-09 23:54:35 +00:00
LoopSimplify
[BasicBlockUtils] Check for unreachable preds before updating LI in UpdateAnalysisInformation
2018-01-02 16:25:50 +00:00
LoopSimplifyCFG
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LoopStrengthReduce
[LoopStrengthReduce, x86] don't add cost for a cmp that will be macro-fused (PR35681)
2018-02-05 23:43:05 +00:00
LoopUnroll
[SimplifyCFG] Re-apply Relax restriction for folding unconditional branches
2018-02-08 07:16:29 +00:00
LoopUnswitch
[SimplifyCFG] Re-apply Relax restriction for folding unconditional branches
2018-02-08 07:16:29 +00:00
LoopVectorize
[LV] Fix analyzeInterleaving when -pass-remarks enabled
2018-02-10 00:07:45 +00:00
LoopVersioning
…
LoopVersioningLICM
…
LowerAtomic
LowerAtomic: Don't skip optnone functions; atomic still need lowering (PR34020)
2017-08-23 15:43:28 +00:00
LowerExpectIntrinsic
…
LowerGuardIntrinsic
…
LowerInvoke
…
LowerSwitch
…
LowerTypeTests
Minor tweak to test case.
2018-02-08 23:10:07 +00:00
Mem2Reg
[Debugify] Add a pass to test debug info preservation
2017-12-08 21:57:28 +00:00
MemCpyOpt
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
MergeFunc
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
MergeICmps
[MergeICmps] Handle chains with several complex BCE basic blocks.
2018-02-06 12:25:33 +00:00
MetaRenamer
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
NameAnonGlobals
…
NaryReassociate
…
NewGVN
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
ObjCARC
[ObjCARC] Do not turn a call to @objc_autoreleaseReturnValue into a call
2018-01-19 23:51:13 +00:00
PartiallyInlineLibCalls
[PartiallyInlineLibCalls][x86] add TTI hook to allow sqrt inlining to depend on arg rather than result
2017-11-27 21:15:43 +00:00
PGOProfile
[ThinLTO] Remove dead and dropped symbol declarations when possible
2018-02-06 00:43:39 +00:00
PhaseOrdering
[SimplifyCFG] don't sink common insts too soon (PR34603)
2017-12-14 22:05:20 +00:00
PlaceSafepoints
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
PreISelIntrinsicLowering
…
PruneEH
…
Reassociate
Reassociate: add global reassociation algorithm
2017-12-12 19:18:02 +00:00
Reg2Mem
…
RewriteStatepointsForGC
[RS4GC] Handle call/invoke instructions as base defining values of vectors
2018-01-30 14:43:41 +00:00
SafeStack
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
SampleProfile
Profiling tests: Endianess XFAIL for powerpc- (32-bit)
2018-01-09 20:09:23 +00:00
Scalarizer
Remove the obsolete offset parameter from @llvm.dbg.value
2017-07-28 20:21:02 +00:00
SCCP
[SCCP] Pick the right lattice value for constants.
2017-11-22 03:04:55 +00:00
SeparateConstOffsetFromGEP
[SeparateConstOffsetFromGEP] Fix up addrspace in the AMDGPU test
2018-01-31 20:49:19 +00:00
SimpleLoopUnswitch
[PM/Unswitch] Teach SimpleLoopUnswitch to do non-trivial unswitching,
2017-11-17 19:58:36 +00:00
SimplifyCFG
[SimplifyCFG] Re-apply Relax restriction for folding unconditional branches
2018-02-08 07:16:29 +00:00
Sink
[Sink] Really really fix predicate in legality check
2018-01-11 21:28:57 +00:00
SLPVectorizer
[SLPVectorizer] auto-generate complete checks; NFC
2018-02-08 15:32:28 +00:00
SpeculateAroundPHIs
Add a new pass to speculate around PHI nodes with constant (integer) operands when profitable.
2017-11-28 11:32:31 +00:00
SpeculativeExecution
…
SROA
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
StraightLineStrengthReduce
…
StripDeadPrototypes
…
StripSymbols
Canonicalize the representation of empty an expression in DIGlobalVariableExpression
2017-08-30 18:06:51 +00:00
StructurizeCFG
Revert r321751, "StructurizeCFG: Fix broken backedge detection"
2018-01-24 18:02:05 +00:00
SyntheticCountsPropagation
Add a pass to generate synthetic function entry counts.
2018-01-09 19:39:35 +00:00
TailCallElim
Remove this test
2017-11-28 22:39:38 +00:00
ThinLTOBitcodeWriter
[ThinLTO] fix test failure without x86 backend
2018-02-06 07:03:09 +00:00
Util
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
WholeProgramDevirt
Make GlobalValues with non-default visibilility dso_local.
2018-01-18 02:08:23 +00:00