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llvm-project/llvm/lib/Transforms/Utils
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Yingwei Zheng 05c4681668
[SCCP] Relax two-instruction range checks (#158495) 
If we know x in R1, the range check `x in R2` can be relaxed into `x in
Union(R2, Inverse(R1))`. The latter one may be more efficient if we can
represent it with one icmp.
Fixes regressions introduced by
https://github.com/llvm/llvm-project/pull/156497.

Proof for `(X & -Pow2) == C -> (X - C) < Pow2`:
https://alive2.llvm.org/ce/z/HMgkuu

Compile-time impact:
https://llvm-compile-time-tracker.com/compare.php?from=ead4f3e271fdf6918aef2ede3a7134811147d276&to=bee3d902dd505cf9b11499ba4f230e4e8ae96b92&stat=instructions%3Au
2025-09-17 23:50:38 +08:00
..
AddDiscriminators.cpp
…
AMDGPUEmitPrintf.cpp
…
ASanStackFrameLayout.cpp
…
AssumeBundleBuilder.cpp
[llvm] annotate interfaces in llvm/Transforms for DLL export (#143413)
2025-06-10 08:10:17 -07:00
BasicBlockUtils.cpp
Revert "Reland "[BasicBlockUtils] Handle funclets when detaching EH p… (#159292)
2025-09-17 09:44:17 +00:00
BreakCriticalEdges.cpp
[GVN] Check IndirectBr in Predecessor Terminators (#151188)
2025-08-11 09:25:52 +02:00
BuildLibCalls.cpp
[TLI] Add support for pvalloc() (#144949)
2025-06-23 12:03:35 +02:00
BypassSlowDivision.cpp
BypassSlowDivision: Use use_empty instead of hasNUses(0) (#137345)
2025-04-25 19:01:45 +02:00
CallGraphUpdater.cpp
…
CallPromotionUtils.cpp
[NFC][DebugInfo] Use iterator moveBefore at many call-sites (#123583)
2025-01-24 10:53:11 +00:00
CanonicalizeAliases.cpp
…
CanonicalizeFreezeInLoops.cpp
[llvm] Remove unused includes of SmallSet.h (NFC) (#154893)
2025-08-22 10:33:46 -07:00
CloneFunction.cpp
[DebugInfo] Strip more debug-intrinsic code from local utils (#149037)
2025-07-16 14:13:53 +01:00
CloneModule.cpp
[llvm] annotate LLVMCloneModule for export (#145570)
2025-07-07 13:46:47 -07:00
CMakeLists.txt
Add DebugSSAUpdater class to track debug value liveness (#135349)
2025-09-16 11:22:02 +01:00
CodeExtractor.cpp
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
CodeLayout.cpp
[Utils] Remove an unnecessary cast (NFC) (#157023)
2025-09-05 14:33:17 +08:00
CodeMoverUtils.cpp
[llvm] Use llvm::SmallVector::pop_back_val (NFC) (#136441)
2025-04-19 11:49:19 -07:00
ControlFlowUtils.cpp
[llvm] Remove unused includes of SmallSet.h (NFC) (#154893)
2025-08-22 10:33:46 -07:00
CountVisits.cpp
…
CtorUtils.cpp
…
Debugify.cpp
[DebugInfo] Drop extra DIBuilder::finalizeSubprogram() calls (NFC) (#155618)
2025-08-27 17:58:29 +02:00
DebugSSAUpdater.cpp
Add DebugSSAUpdater class to track debug value liveness (#135349)
2025-09-16 11:22:02 +01:00
DeclareRuntimeLibcalls.cpp
Reapply "RuntimeLibcalls: Generate table of libcall name lengths (#153… (#153864)
2025-08-16 09:53:50 +09:00
DemoteRegToStack.cpp
…
DXILUpgrade.cpp
…
EntryExitInstrumenter.cpp
[SystemZ] Add proper mcount handling (#135767)
2025-05-02 12:42:58 +02:00
EscapeEnumerator.cpp
[Transforms] Remove unused local variables (NFC) (#138442)
2025-05-04 00:35:22 -07:00
Evaluator.cpp
[DebugInfo][RemoveDIs] Remove a swathe of debug-intrinsic code (#144389)
2025-06-17 15:55:14 +01:00
FixIrreducible.cpp
[Utils] Use llvm::partition (NFC) (#137494)
2025-04-26 23:28:07 -07:00
FlattenCFG.cpp
[llvm] Use range constructors of *Set (NFC) (#137552)
2025-04-27 15:59:57 -07:00
FunctionComparator.cpp
…
FunctionImportUtils.cpp
[LLD][COFF] Add more --time-trace tags for ThinLTO linking (#156471)
2025-09-05 15:28:19 -04:00
GlobalStatus.cpp
…
GuardUtils.cpp
[IRBuilder] Add new overload for CreateIntrinsic (#131942)
2025-03-31 08:10:34 -07:00
HelloWorld.cpp
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InjectTLIMappings.cpp
[TLI] Use AArch64 vector calling convention for ArmPL routines (#135790)
2025-04-17 08:44:47 +01:00
InlineFunction.cpp
[llvm] Remove unused includes (NFC) (#154051)
2025-08-17 23:46:35 -07:00
InstructionNamer.cpp
…
Instrumentation.cpp
[NFC][DebugInfo] Use iterator moveBefore at many call-sites (#123583)
2025-01-24 10:53:11 +00:00
IntegerDivision.cpp
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IRNormalizer.cpp
[NFC] Fix typos 'seperate' -> 'separate' (#144368)
2025-08-30 13:41:25 +00:00
LCSSA.cpp
[llvm] Remove unused includes (NFC) (#150265)
2025-07-23 15:18:46 -07:00
LibCallsShrinkWrap.cpp
Use F.hasOptSize() instead of checking optsize directly (#147348)
2025-07-28 08:38:52 -07:00
Local.cpp
[NFC] Leave a comment in Local.cpp about debug info & sample profiling (#155296)
2025-09-12 15:05:16 -07:00
LoopConstrainer.cpp
…
LoopPeel.cpp
[LoopPeel] Address followup comments on #121104 (#155221)
2025-08-25 18:18:44 +09:00
LoopRotationUtils.cpp
[DebugInfo] Remove intrinsic-flavours of findDbgUsers (#149816)
2025-07-21 17:49:25 +01:00
LoopSimplify.cpp
[NFC][DebugInfo] Use iterator-flavour getFirstNonPHI at many call-sites (#123737)
2025-01-24 13:27:56 +00:00
LoopUnroll.cpp
[AArch64] Enable RT and partial unrolling with reductions for Apple CPUs. (#149699)
2025-09-09 13:23:30 +00:00
LoopUnrollAndJam.cpp
[llvm] Use *Set::insert_range (NFC) (#132591)
2025-03-22 22:14:45 -07:00
LoopUnrollRuntime.cpp
[LoopUnroll] UnrollRuntimeMultiExit takes precedence over TTI. (#134259)
2025-04-04 10:16:50 +01:00
LoopUtils.cpp
[PGO] Add llvm.loop.estimated_trip_count metadata (#152775)
2025-09-11 15:55:18 -04:00
LoopVersioning.cpp
[LoopUtils] Simplify expanded RT-checks (#157518)
2025-09-09 11:38:54 +00:00
LowerAtomic.cpp
Reland [llvm] Add support for llvm IR atomicrmw fminimum/fmaximum instructions (#137701)
2025-04-30 22:06:37 +01:00
LowerGlobalDtors.cpp
LowerGlobalDtors: Use use_empty instead of getNumUses == 0 (#136337)
2025-04-18 21:18:00 +02:00
LowerIFunc.cpp
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LowerInvoke.cpp
…
LowerMemIntrinsics.cpp
[IR] Remove the AtomicMem*Inst helper classes (#138710)
2025-05-06 14:24:40 -07:00
LowerSwitch.cpp
[ValueTracking] Make Depth last default arg (NFC) (#142384)
2025-06-03 17:12:24 +01:00
LowerVectorIntrinsics.cpp
[NFC][LLVM] Refactor IRBuilder::Create{VScale,ElementCount,TypeSize}. (#142803)
2025-06-10 12:35:59 +01:00
MatrixUtils.cpp
…
Mem2Reg.cpp
…
MemoryOpRemark.cpp
[DebugInfo] Remove intrinsic-flavours of findDbgUsers (#149816)
2025-07-21 17:49:25 +01:00
MemoryTaggingSupport.cpp
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
MetaRenamer.cpp
[MetaRenamer] Use isIntrinsic() helper (NFC)
2025-07-10 17:34:06 +02:00
MisExpect.cpp
[llvm][misexpect][NFC] Fix Twine usage (#136446)
2025-04-22 12:25:01 -07:00
ModuleUtils.cpp
Add -funique-source-file-identifier option.
2025-06-05 10:52:01 -07:00
MoveAutoInit.cpp
[NFC][DebugInfo] Use iterator-flavour getFirstNonPHI at many call-sites (#123737)
2025-01-24 13:27:56 +00:00
NameAnonGlobals.cpp
…
PredicateInfo.cpp
[llvm] Remove unused includes (NFC) (#154051)
2025-08-17 23:46:35 -07:00
ProfileVerify.cpp
[profcheck] Allow unknown function entry count (#155918)
2025-09-04 13:15:23 -07:00
PromoteMemoryToRegister.cpp
[DebugInfo][Mem2Reg] Assign uninitialized values with annotated locs (#157716)
2025-09-10 12:10:56 +01:00
RelLookupTableConverter.cpp
[RelLookupTableConverter] Make GEP type independent (#155404)
2025-09-01 09:27:12 +02:00
SampleProfileInference.cpp
[Transforms] Use llvm::append_range (NFC) (#133650)
2025-03-30 12:21:59 -07:00
SampleProfileLoaderBaseUtil.cpp
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SanitizerStats.cpp
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ScalarEvolutionExpander.cpp
[SCEVExp] Remove special-case handling umul_with_overflow by 1 (NFCI).
2025-09-11 20:09:10 +01:00
SCCPSolver.cpp
[SCCP] Relax two-instruction range checks (#158495)
2025-09-17 23:50:38 +08:00
SimplifyCFG.cpp
[SimplifyCFG] Refine metadata handling during instruction hoisting (#158448)
2025-09-14 22:50:42 -05:00
SimplifyIndVar.cpp
[IndVars] Teach widenLoopCompare to use sext if narrow IV is positive and other operand is already sext. (#142703)
2025-06-10 12:52:39 -07:00
SimplifyLibCalls.cpp
[MemProf] Optionally allow transformation of nobuiltin operator new (#158396)
2025-09-12 21:48:41 -07:00
SizeOpts.cpp
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SplitModule.cpp
[EquivalenceClasses] Use SmallVector for deterministic iteration order. (#134075)
2025-04-02 20:27:43 +01:00
SplitModuleByCategory.cpp
[llvm] Remove unused includes (NFC) (#154051)
2025-08-17 23:46:35 -07:00
SSAUpdater.cpp
[DebugInfo] Remove intrinsic-flavours of findDbgUsers (#149816)
2025-07-21 17:49:25 +01:00
SSAUpdaterBulk.cpp
[Transforms] Use *Set::insert_range (NFC) (#132652)
2025-03-23 19:42:53 -07:00
StripGCRelocates.cpp
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StripNonLineTableDebugInfo.cpp
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SymbolRewriter.cpp
[Transforms] Allow non-regex Source in SymbolRewriter in case of using ExplicitRewriteDescriptor (#154319)
2025-08-26 22:52:06 +04:00
UnifyFunctionExitNodes.cpp
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UnifyLoopExits.cpp
[Utils][UnifyLoopExits] Avoid costly updates if nothing changed (#129179)
2025-02-28 10:14:31 -08:00
Utils.cpp
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ValueMapper.cpp
[llvm] Introduce callee_type metadata
2025-07-18 14:40:54 -07:00
VNCoercion.cpp
[GVN] Load-store forwaring of scalable store to fixed load. (#124748)
2025-01-30 11:49:42 +01:00