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llvm-project/llvm/test/Transforms
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Sanjay Patel 296d35a5e9 [InstCombine][x86] try harder to convert blendv intrinsic to generic IR (PR38814) 
Missing optimizations with blendv are shown in:
https://bugs.llvm.org/show_bug.cgi?id=38814

If this works, it's an easier and more powerful solution than adding pattern matching 
for a few special cases in the backend. The potential danger with this transform in IR
is that the condition value can get separated from the select, and the backend might 
not be able to make a blendv out of it again. I don't think that's too likely, but 
I've kept this patch minimal with a 'TODO', so we can test that theory in the wild 
before expanding the transform.

Differential Revision: https://reviews.llvm.org/D52059

llvm-svn: 342324
 		2018-09-15 14:25:44 +00:00
..
ADCE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
AddDiscriminators [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
AggressiveInstCombine [AggressiveInstCombine] avoid crashing on unsimplified code (PR37446) 2018-05-14 13:43:32 +00:00
AlignmentFromAssumptions [AlignmentFromAssumptions] Set source and dest alignments of memory intrinsiscs separately 2018-02-22 18:55:59 +00:00
ArgumentPromotion [ArgumentPromotion] don't break musttail invariant PR36543 2018-03-02 00:59:27 +00:00
AtomicExpand [AtomicExpandPass] Widen partword atomicrmw or/xor/and before tryExpandAtomicRMW 2018-08-17 14:03:37 +00:00
BDCE [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
BlockExtractor BlockExtractor: Don’t delete functions directly 2018-03-12 22:28:18 +00:00
BranchFolding
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CallSiteSplitting [CallSiteSplitting] Add debug location to created PHI nodes. 2018-09-11 17:55:58 +00:00
CalledValuePropagation
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CodeExtractor [CodeExtractor] Use 'normal destination' BB as insert point to store invoke results. 2018-08-21 20:07:46 +00:00
CodeGenPrepare [CodeGenPrepare] Preserve debug locs in OptimizeExtractBits 2018-09-15 04:08:52 +00:00
ConstProp [X86] Add constant folding for AVX512 versions of scalar floating point to integer conversion intrinsics. 2018-08-12 22:09:54 +00:00
ConstantHoisting Revert "Revert r341269: [Constant Hoisting] Hoisting Constant GEP Expressions" 2018-09-04 22:17:03 +00:00
ConstantMerge
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Coroutines [Coroutines] PR34897: Fix incorrect elisions 2018-05-11 03:12:28 +00:00
CorrelatedValuePropagation [CVP] Extend tests to illustrate an old patch isn't needed 2018-08-24 21:56:43 +00:00
CrossDSOCFI
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DCE [DCE] Salvage debug info from dead insts 2018-02-15 22:26:18 +00:00
DeadArgElim [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
DeadStoreElimination [BasicAA] Don't assume tail calls with byval don't alias allocas 2018-08-14 01:24:35 +00:00
DivRemPairs
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EarlyCSE [AMDGPU] Add support for multi-dword s.buffer.load intrinsic 2018-08-25 14:53:17 +00:00
EliminateAvailableExternally
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EntryExitInstrumenter [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
ExpandMemCmp/X86
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Float2Int
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ForcedFunctionAttrs
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FunctionAttrs [FuncAttrs] Remove "access range attributes" for read-none functions 2018-09-11 11:51:29 +00:00
FunctionImport Restore "[ThinLTO] Ensure we always select the same function copy to import" 2018-07-16 15:30:27 +00:00
GCOVProfiling [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
GVN [GVN] Invalidate cached info for values replaced by equality propagation 2018-09-10 12:23:05 +00:00
GVNHoist [MemorySSAUpdater] Avoid creating self-referencing MemoryDefs 2018-09-11 14:29:59 +00:00
GVNSink [Local] Make DoesKMove required for combineMetadata. 2018-08-24 11:40:04 +00:00
GlobalDCE
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GlobalMerge [GlobalMerge] Allow merging globals with explicit section markings. 2018-08-02 23:54:16 +00:00
GlobalOpt [PPC] Remove Darwin support from POWER backend. 2018-08-28 01:18:29 +00:00
GlobalSplit
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GuardWidening [GuardWidening] Ignore guards with trivial conditions 2018-08-22 02:40:49 +00:00
HotColdSplit HotColdSplit: fix invalid SSA due to outlining 2018-09-14 20:36:19 +00:00
IPConstantProp Recommit r333268: [IPSCCP] Use PredicateInfo to propagate facts from cmp instructions. 2018-08-23 11:04:00 +00:00
IRCE Revert "[SCEV][NFC] Check NoWrap flags before lexicographical comparison of SCEVs" 2018-08-27 21:41:37 +00:00
IndVarSimplify AMDGPU: Fix some outdated datalayouts in tests 2018-09-13 11:56:28 +00:00
IndirectBrExpand
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InferAddressSpaces AMDGPU: Fix tests using old number for constant address space 2018-09-10 02:54:25 +00:00
InferFunctionAttrs [LibCalls] Added returned attribute to libcalls 2018-08-23 05:18:23 +00:00
Inline Set cost of invariant group intrinsics to 0 2018-09-07 22:29:48 +00:00
InstCombine [InstCombine][x86] try harder to convert blendv intrinsic to generic IR (PR38814) 2018-09-15 14:25:44 +00:00
InstMerge [MergedLoadStoreMotion] Fix a debug invariant bug in mergeStores 2018-05-09 06:52:12 +00:00
InstNamer
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InstSimplify [InstSimplify] use isKnownNeverNaN to fold more fcmp ord/uno 2018-08-21 14:45:13 +00:00
InterleavedAccess
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Internalize
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JumpThreading [Local] Make DoesKMove required for combineMetadata. 2018-08-24 11:40:04 +00:00
LCSSA [DebugInfo][LCSSA] Preserve debug location in lcssa phis 2018-07-31 14:54:52 +00:00
LICM [NFC] Add Requires: asserts where needed 2018-09-13 04:43:24 +00:00
LoadStoreVectorizer AMDGPU: Fix some outdated datalayouts in tests 2018-09-13 11:56:28 +00:00
LoopDataPrefetch [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopDeletion
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LoopDistribute [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopIdiom SCEV should forget all loops containing a deleted block. 2018-08-09 17:53:26 +00:00
LoopInstSimplify Update MemorySSA in LoopInstSimplify. 2018-08-22 20:05:21 +00:00
LoopInterchange [LoopInterchange] Preserve ScalarEvolution, by forgetting about interchanged loops. 2018-09-14 07:50:20 +00:00
LoopLoadElim
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LoopPredication [LoopPredication] Add profitability check based on BPI 2018-03-22 16:03:59 +00:00
LoopReroll [LoopReroll] Rewrite induction variable rewriting. 2018-06-22 22:58:55 +00:00
LoopRotate [ADCE] Remove the need of DomTree 2018-08-04 02:50:12 +00:00
LoopSimplify [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
LoopSimplifyCFG Update MemorySSA in LoopSimplifyCFG. 2018-08-22 20:10:21 +00:00
LoopStrengthReduce AMDGPU: Fix some outdated datalayouts in tests 2018-09-13 11:56:28 +00:00
LoopUnroll AMDGPU: Fix tests using old number for constant address space 2018-09-10 02:54:25 +00:00
LoopUnrollAndJam [UnJ] Improve explicit loop count checks 2018-08-11 07:37:31 +00:00
LoopUnswitch Update MemorySSA in LoopUnswitch. 2018-09-11 19:19:21 +00:00
LoopVectorize [VPlan] Implement initial vector code generation support for simple outer loops. 2018-09-14 00:36:00 +00:00
LoopVersioning Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)." 2018-07-13 23:58:46 +00:00
LoopVersioningLICM
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LowerAtomic
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LowerExpectIntrinsic
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LowerGuardIntrinsic
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LowerInvoke
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LowerSwitch
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LowerTypeTests [LowerTypeTests] Limit when icall jumptable entries are emitted 2018-07-13 19:57:39 +00:00
Mem2Reg Improve ConvertDebugDeclareToDebugValue 2018-06-26 06:17:00 +00:00
MemCpyOpt [MemCpyOpt] Skip optimizing basic blocks not reachable from entry 2018-04-23 19:55:04 +00:00
MergeFunc [MergeFunctions] Fix merging of small weak functions 2018-05-15 11:31:07 +00:00
MergeICmps [MergeICmps] Don't crash when memcmp is not available 2018-05-19 12:51:59 +00:00
MetaRenamer
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NameAnonGlobals
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NaryReassociate [NaryReassociate] Detect deleted instr with WeakVH 2018-05-24 06:09:02 +00:00
NewGVN [NewGVN] Mark function as changed if we erase instructions. 2018-09-07 11:41:34 +00:00
ObjCARC [ObjCARC] Prevent code motion into a catchswitch 2018-05-16 04:52:18 +00:00
PGOProfile [PGO] Control Height Reduction 2018-09-04 17:19:13 +00:00
PartiallyInlineLibCalls
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PhaseOrdering [PhaseOrdering] remove stale comments; NFC 2018-05-09 23:10:46 +00:00
PlaceSafepoints
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PreISelIntrinsicLowering
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PruneEH [PM][FunctionAttrs] add NoUnwind attribute inference to PostOrderFunctionAttrs pass 2018-03-23 21:46:16 +00:00
Reassociate revert r341288 - [Reassociate] swap binop operands to increase factoring potential 2018-09-12 21:29:11 +00:00
Reg2Mem
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RewriteStatepointsForGC NFC - Various typo fixes in tests 2018-07-04 13:28:39 +00:00
SCCP [PPC] Remove Darwin support from POWER backend. 2018-08-28 01:18:29 +00:00
SLPVectorizer SLPVectorizer: Fix assert with different sized address spaces 2018-08-31 14:34:53 +00:00
SROA [SROA] Fix alignment for uses of PHI nodes. 2018-08-30 18:59:24 +00:00
SafeStack SafeStack: Prevent OOB reads with mem intrinsics 2018-08-30 20:44:51 +00:00
SampleProfile [SampleFDO] Add FunctionOffsetTable in compact binary format profile. 2018-09-14 20:52:59 +00:00
Scalarizer [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
SeparateConstOffsetFromGEP [Split GEP] handle trunc() in separate-const-offset-from-gep pass. 2018-05-11 21:13:19 +00:00
SimpleLoopUnswitch [SimpleLoopUnswitch] remove a chain of dead blocks at once 2018-09-04 20:19:41 +00:00
SimplifyCFG [SimplifyCFG] Put an alignment on generated switch tables 2018-09-12 09:54:17 +00:00
Sink
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SpeculateAroundPHIs
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SpeculativeExecution
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StraightLineStrengthReduce
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StripDeadPrototypes
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StripSymbols
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StructurizeCFG AMDGPU: Fix tests using old number for constant address space 2018-09-10 02:54:25 +00:00
SyntheticCountsPropagation
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TailCallElim [TailCallElim] Preserve DT and PDT 2018-08-04 08:13:47 +00:00
ThinLTOBitcodeWriter [ThinLTOBitcodeWriter] Emit summaries for regular LTO modules 2018-06-01 15:20:47 +00:00
Util [PredicateInfo] Use custom mangling to support ssa_copy with unnamed types. 2018-07-24 14:49:52 +00:00
WholeProgramDevirt Runtime flag to control branch funnel threshold 2018-04-06 21:32:36 +00:00