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llvm-project/llvm/test/Transforms
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Martin Sebor 0d68ff87d2 [InstCombine] Transform strrchr to memrchr for constant strings 
Add an emitter for the memrchr common extension and simplify the strrchr
call handler to use it. This enables transforming calls with the empty
string to the test C ? S : 0.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D128954
 		2022-07-01 11:10:00 -06:00
..
ADCE [ADCE] Update tests to use opaque pointers (NFC) 2022-06-22 12:26:12 +02:00
AddDiscriminators [AddDiscriminators] Migrate tests to opaque pointers (NFC) 2022-06-22 12:47:12 +02:00
AggressiveInstCombine [AggressiveInstCombine] Update tests to use opaque pointers (NFC) 2022-06-22 12:33:06 +02:00
AlignmentFromAssumptions [AlignmentFromAssumptions] Migrate tests to opaque pointers (NFC) 2022-06-22 13:57:47 +02:00
ArgumentPromotion [ArgPromotion] Unify byval promotion with non-byval 2022-06-28 15:19:58 +03:00
AtomicExpand [PowerPC] Allow llvm.ppc.cfence to accept pointer types 2022-06-24 10:55:32 +08:00
Attributor Revert "[Attributor] Ensure to use the proper liveness AA" 2022-06-22 13:40:45 -07:00
BDCE
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BlockExtractor [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
BranchFolding
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CallSiteSplitting
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CalledValuePropagation
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CanonicalizeAliases
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CanonicalizeFreezeInLoops
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CodeExtractor [ArgPromotion] Remove legacy PM support 2022-06-27 09:42:17 +02:00
CodeGenPrepare [CGP] Also freeze ctlz/cttz operand when despeculating 2022-06-10 09:46:10 +02:00
ConstantHoisting [OpaquePtr][AArch64] Use elementtype on ldxr/stxr 2022-03-14 10:09:59 -07:00
ConstantMerge
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ConstraintElimination Recommit "[ConstraintElimination] Transfer info from ULT to signed system." 2022-06-24 09:27:14 +02:00
Coroutines [Coroutines] Add REQUIRES clause to skip unsupported targets 2022-06-30 11:37:41 +08:00
CorrelatedValuePropagation [NFC] Switch a few uses of undef to poison as placeholders for unreachble code 2022-06-30 23:01:43 +01:00
CrossDSOCFI
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DCE [DCE] Update tests to use opaque pointers (NFC) 2022-06-10 17:31:35 +02:00
DFAJumpThreading [DFAJumpThreading] Relax analysis to handle unpredictable initial values 2022-05-26 11:29:54 -04:00
DeadArgElim [llvm] Add DW_CC_nocall to function debug metadata when either return values or arguments are removed 2022-06-15 03:30:15 +05:30
DeadStoreElimination [DSE] Don't remove nounwind invokes 2022-06-21 11:54:09 -07:00
DivRemPairs [Mips] Implement hasDivRemOp() 2022-05-16 14:45:40 +08:00
EarlyCSE [Tests] Remove unnecessary bitcasts from opaque pointer tests (NFC) 2022-06-22 14:15:46 +02:00
EliminateAvailableExternally
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EntryExitInstrumenter
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ExpandMemCmp [ExpandMemCmp] Properly expand `bcmp` to an equality pattern. 2022-04-15 11:26:24 +02:00
FixIrreducible LowerSwitch: Avoid inserting NewDefault block 2022-04-14 13:30:56 +08:00
Float2Int [Float2Int] Make sure dependent ranges are calculated first (PR54669) 2022-04-04 10:18:39 +02:00
ForcedFunctionAttrs
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FunctionAttrs [RPOFuncAttrs] Fix norecurse detection 2022-06-18 12:20:10 -07:00
FunctionImport [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
FunctionSpecialization [SCCP] Don't mark edges feasible when resolving undefs 2022-06-22 10:28:27 +02:00
GCOVProfiling [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
GVN [SCCP] Simplify CFG in SCCP as well 2022-06-30 09:25:03 +02:00
GVNHoist [GVNHoist] drop debug location according to the debug info guide 2022-03-30 20:17:53 -07:00
GVNSink [GVNSink] Make GVNSink resistant against self referencing instructions (PR36954) 2022-05-10 16:06:12 +02:00
GlobalDCE [GlobalDCE] [VFE] Avoid dropping vfunc dependencies when an invalid vtable entry is present 2022-02-17 19:41:46 -08:00
GlobalMerge Fix the eh-filter.ll test. 2022-06-29 16:14:41 -05:00
GlobalOpt [GlobalOpt] Fix memset handling in global ctor evaluation (PR55859) 2022-06-27 16:50:49 +02:00
GlobalSplit
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GuardWidening [GuardWidening] Add tests showing incorrect behavior of GW. 2022-06-29 13:41:59 +07:00
HardwareLoops
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HelloNew
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HotColdSplit [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
IRCE
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IROutliner [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
IndVarSimplify [IndVars] Add test for PR56242 (NFC) 2022-06-27 14:54:20 +02:00
IndirectBrExpand
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InferAddressSpaces [InferAddressSpaces] Check if AS are the same in isNoopPtrIntCastPair 2022-04-28 11:10:55 +08:00
InferFunctionAttrs BuildLibCalls: infer allockind attributes on relevant functions 2022-05-31 10:01:17 -04:00
Inline [NFC] add --match-full-lines to the RUN line 2022-07-01 02:37:35 -04:00
InstCombine [InstCombine] Transform strrchr to memrchr for constant strings 2022-07-01 11:10:00 -06:00
InstMerge
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InstNamer
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InstSimplify [InstructionSimplify] handle denormal input for fcmp 2022-07-01 03:51:28 -04:00
InterleavedAccess [IR] Move vector.insert/vector.extract out of experimental namespace 2022-06-27 10:48:45 +00:00
Internalize
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JumpThreading [NFC][JumpThreading] Remove InsertFreezeWhenUnfoldingSelect pass parameter 2022-05-26 16:13:34 -07:00
LCSSA
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LICM [AST] Don't assert instruction reads/writes memory (PR51333) 2022-07-01 17:04:48 +02:00
LoadStoreVectorizer [AMDGPU][FIX] Proper load-store-vectorizer result with opaque pointers 2022-04-15 13:42:46 -05:00
LoopBoundSplit
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LoopDataPrefetch
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LoopDeletion [LoopDeletion] Fix deletion with unusual predecessor terminator (PR56266) 2022-07-01 16:13:35 +02:00
LoopDistribute Autogen a couple of predicated SCEV tests 2022-02-11 13:56:35 -08:00
LoopFlatten [LoopFlatten] Fix crash if the inner loop trip count comes from a sext instruction. 2022-06-07 08:21:21 -07:00
LoopFusion [NFCI] Fixed missing colon in CHECK directives 2022-04-03 11:52:38 +02:00
LoopIdiom [LoopIdiom] Fix bailout for aliasing in memcpy transform. 2022-05-31 17:24:23 -07:00
LoopInstSimplify [LoopInstSimplify] Ignore users in unreachable blocks. PR55072 2022-04-25 17:35:28 +07:00
LoopInterchange [LoopInterchange] New cost model for loop interchange 2022-06-28 00:08:37 -04:00
LoopLoadElim [NFC][LAA] Match-up type sizes for possible extensions, based on actual bit-size rather than rounded-up byte size. 2022-04-22 23:16:20 -07:00
LoopPredication
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LoopReroll
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LoopRotate Pipe potentially invalid InstructionCost through CodeMetrics 2022-06-09 15:17:24 -07:00
LoopSimplify [BasicBlockUtils] Do not move loop metadata if outer loop header. 2022-05-23 16:39:54 -07:00
LoopSimplifyCFG [LoopSimplifyCFG] use poison when replacing dead instructions instead of undef [NFC] 2022-06-26 14:15:55 +01:00
LoopStrengthReduce [LSR] Move transform test from test/Analysis to test/Transforms. 2022-06-23 16:04:45 +02:00
LoopTransformWarning
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LoopUnroll [LoopUnrollRuntime] Invalidate SCEV for exit phi in ConnectProlog. 2022-06-29 20:28:43 +01:00
LoopUnrollAndJam
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LoopVectorize [LV] Don't optimize exit cond during epilogue vectorization. 2022-07-01 13:48:38 +01:00
LoopVersioning
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LoopVersioningLICM
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LowerAtomic
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LowerConstantIntrinsics [builtin_object_size] Basic support for posix_memalign 2022-04-08 09:31:11 +02:00
LowerExpectIntrinsic
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LowerGlobalDestructors Reland "Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO" 2022-03-23 18:36:55 -07:00
LowerGuardIntrinsic
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LowerInvoke
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LowerMatrixIntrinsics [Matrix] Check if iterator is at beginning of BB in optimizeTranspose. 2022-06-14 21:37:02 +01:00
LowerSwitch LowerSwitch: Avoid inserting NewDefault block 2022-04-14 13:30:56 +08:00
LowerTypeTests [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
LowerWidenableCondition
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MakeGuardsExplicit
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Mem2Reg [Mem2Reg] Check that load type matches alloca type 2022-02-08 17:16:15 +01:00
MemCpyOpt [MemCpyOpt] Work around PR54682 2022-04-04 10:19:51 +02:00
MergeFunc [MergeFunctions] Preserve symbols used llvm.used/llvm.compiler.used 2022-06-16 21:36:39 +01:00
MergeICmps Reapply [MergeICmps] Don't require GEP 2022-03-04 11:39:11 +01:00
MetaRenamer [TLI] Check that malloc argument has type size_t 2022-03-14 17:22:24 +01:00
NameAnonGlobals
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NaryReassociate
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NewGVN [NewGVN] add context instruction for SimplifyQuery 2022-06-22 12:25:24 +08:00
ObjCARC Reapply "[Intrinsics] Add `nocallback` to the default intrinsic attributes" 2022-03-25 09:36:50 -05:00
OpenMP [OpenMP] Only strip runtime attributes if needed 2022-06-27 13:35:41 -04:00
PGOProfile [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
PartialInlining
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PartiallyInlineLibCalls [PartiallyInlineLibCalls] Don't partially inline a musttail libcall. 2022-04-05 22:30:50 +03:00
PhaseOrdering [InstCombine] canonicalize 'icmp (trunc X), C' to 'icmp (X & Mask), C' 2022-06-30 15:51:39 -04:00
PlaceSafepoints
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PreISelIntrinsicLowering
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PruneEH
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Reassociate Split fast-basictest.ll according to passes responsible for optimizations 2022-02-04 12:20:10 +03:00
Reg2Mem
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RelLookupTableConverter/X86 [RelLookupTableConverter] Ensure that GV, GEP and load types match 2022-02-17 12:05:05 +01:00
RewriteStatepointsForGC [RS4GC] Handle freeze case for vector 2022-06-23 11:58:41 +07:00
SCCP [SCCP] Only handle unknown lattice values in resolvedUndefsIn() 2022-07-01 09:14:37 +02:00
SLPVectorizer [SLP][X86] Add 32-bit vector stores to help vectorization opportunities 2022-06-30 20:25:50 +01:00
SROA [Tests] Remove unnecessary bitcasts from opaque pointer tests (NFC) 2022-06-22 14:15:46 +02:00
SafeStack [safestack] Support safestack in stack size diagnostics 2022-04-20 18:29:40 +00:00
SampleProfile [SampleProfile][Inline] Annotate sample profile inline remarks with link phase (prelink/postlink) information. 2022-06-22 17:00:53 -07:00
ScalarizeMaskedMemIntrin
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Scalarizer [NFC] Switch a few uses of undef to poison as placeholders for unreachble code 2022-06-30 21:47:31 +01:00
SeparateConstOffsetFromGEP [test][RISCV] Precommit test for SeparateConstOffsetFromGEP (NFC) 2022-06-15 16:03:30 +03:00
SimpleLoopUnswitch [SimpleLoopUnswitch] Always skip trivial select and set condition. 2022-05-26 09:46:24 +01:00
SimplifyCFG [SimplifyCFG] Try to merge edge block when threading (PR55765) 2022-06-20 10:29:33 +02:00
Sink [Sink] Don't sink non-willreturn calls (PR51188) 2022-04-07 16:35:05 +02:00
SpeculativeExecution
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StraightLineStrengthReduce [CodeGen] Remove unneeded regex escaping in FileCheck patterns. NFC. 2022-02-18 16:10:56 +00:00
StripDeadPrototypes
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StripSymbols
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StructurizeCFG [StructurizeCFG] Improve basic block ordering 2022-06-22 16:10:41 -05:00
SyntheticCountsPropagation
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TailCallElim [IR] Define "ptrauth" operand bundle. 2022-02-14 11:27:35 -08:00
ThinLTOBitcodeWriter
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TypePromotion [TypePromotion] Avoid unnecessary trunc zext pairs 2022-05-24 15:34:36 +01:00
UnifyFunctionExitNodes
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UnifyLoopExits [UnifyLoopExits] Reduce number of guard blocks 2022-06-22 15:44:23 -05:00
Util [IR] Enable opaque pointers by default 2022-06-02 09:40:56 +02:00
VectorCombine [ValueTracking] Enable -branch-on-poison-as-ub by default 2022-06-01 10:46:06 +02:00
WholeProgramDevirt [WPD] Add statistics 2022-04-05 18:48:23 -07:00