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📄 AliasAnalysis.h(51.98 KB)
📄 AliasAnalysisEvaluator.h(2.7 KB)
📄 AliasSetTracker.h(15.42 KB)
📄 AssumeBundleQueries.h(6.66 KB)
📄 AssumptionCache.h(8.39 KB)
📄 BasicAliasAnalysis.h(10.2 KB)
📄 BlockFrequencyInfo.h(5.59 KB)
📄 BlockFrequencyInfoImpl.h(56.46 KB)
📄 BranchProbabilityInfo.h(10.1 KB)
📄 CFG.h(7.76 KB)
📄 CFGPrinter.h(9.31 KB)
📄 CFLAliasAnalysisUtils.h(1.66 KB)
📄 CFLAndersAliasAnalysis.h(3.97 KB)
📄 CFLSteensAliasAnalysis.h(4.58 KB)
📄 CGSCCPassManager.h(41.2 KB)
📄 CallGraph.h(18.88 KB)
📄 CallGraphSCCPass.h(5.01 KB)
📄 CallPrinter.h(799 B)
📄 CaptureTracking.h(4.78 KB)
📄 CmpInstAnalysis.h(2.57 KB)
📄 CodeMetrics.h(3.15 KB)
📄 ConstantFolding.h(8.01 KB)
📄 DDG.h(19.15 KB)
📄 DOTGraphTraitsPass.h(5.5 KB)
📄 DemandedBits.h(4.07 KB)
📄 DependenceAnalysis.h(41.83 KB)
📄 DependenceGraphBuilder.h(7.74 KB)
📄 DivergenceAnalysis.h(7.38 KB)
📄 DomPrinter.h(1.04 KB)
📄 DomTreeUpdater.h(13.2 KB)
📄 DominanceFrontier.h(6.63 KB)
📄 DominanceFrontierImpl.h(7.12 KB)
📄 EHPersonalities.h(3.22 KB)
📄 GlobalsModRef.h(5.96 KB)
📄 GuardUtils.h(2.11 KB)
📄 HeatUtils.h(1.16 KB)
📄 IVDescriptors.h(14.56 KB)
📄 IVUsers.h(6.07 KB)
📄 IndirectCallPromotionAnalysis.h(2.61 KB)
📄 IndirectCallVisitor.h(1.16 KB)
📄 InlineAdvisor.h(8.71 KB)
📄 InlineCost.h(11.33 KB)
📄 InlineFeaturesAnalysis.h(1.5 KB)
📄 InlineModelFeatureMaps.h(3.41 KB)
📄 InlineSizeEstimatorAnalysis.h(1.07 KB)
📄 InstructionPrecedenceTracking.h(5.9 KB)
📄 InstructionSimplify.h(13.36 KB)
📄 Interval.h(4.84 KB)
📄 IntervalIterator.h(10.64 KB)
📄 IntervalPartition.h(4.05 KB)
📄 IteratedDominanceFrontier.h(2.62 KB)
📄 LazyBlockFrequencyInfo.h(4.34 KB)
📄 LazyBranchProbabilityInfo.h(4.21 KB)
📄 LazyCallGraph.h(50.13 KB)
📄 LazyValueInfo.h(5.4 KB)
📄 LegacyDivergenceAnalysis.h(2.53 KB)
📄 Lint.h(1.35 KB)
📄 Loads.h(7.86 KB)
📄 LoopAccessAnalysis.h(29.75 KB)
📄 LoopAnalysisManager.h(5.83 KB)
📄 LoopCacheAnalysis.h(11.91 KB)
📄 LoopInfo.h(48.27 KB)
📄 LoopInfoImpl.h(27.14 KB)
📄 LoopIterator.h(8.83 KB)
📄 LoopNestAnalysis.h(5.61 KB)
📄 LoopPass.h(4.29 KB)
📄 LoopUnrollAnalyzer.h(3.42 KB)
📄 MLInlineAdvisor.h(3.48 KB)
📄 MLModelRunner.h(1.16 KB)
📄 MemoryBuiltins.h(13.42 KB)
📄 MemoryDependenceAnalysis.h(20.82 KB)
📄 MemoryLocation.h(10.99 KB)
📄 MemorySSA.h(45.92 KB)
📄 MemorySSAUpdater.h(14.55 KB)
📄 ModuleSummaryAnalysis.h(3.44 KB)
📄 MustExecute.h(20.2 KB)
📄 ObjCARCAliasAnalysis.h(3.35 KB)
📄 ObjCARCAnalysisUtils.h(10.22 KB)
📄 ObjCARCInstKind.h(4.87 KB)
📄 OptimizationRemarkEmitter.h(5.93 KB)
📄 PHITransAddr.h(4.77 KB)
📄 Passes.h(3.88 KB)
📄 PhiValues.h(5.25 KB)
📄 PostDominators.h(3.41 KB)
📄 ProfileSummaryInfo.h(9.3 KB)
📄 PtrUseVisitor.h(9.96 KB)
📄 RegionInfo.h(35.23 KB)
📄 RegionInfoImpl.h(25.16 KB)
📄 RegionIterator.h(14.07 KB)
📄 RegionPass.h(4.05 KB)
📄 RegionPrinter.h(2.25 KB)
📄 ScalarEvolution.h(89.21 KB)
📄 ScalarEvolutionAliasAnalysis.h(2.09 KB)
📄 ScalarEvolutionDivision.h(2.48 KB)
📄 ScalarEvolutionExpressions.h(28.61 KB)
📄 ScalarEvolutionNormalization.h(2.47 KB)
📄 ScopedNoAliasAA.h(2.83 KB)
📄 SparsePropagation.h(19.43 KB)
📄 StackLifetime.h(6.16 KB)
📄 StackSafetyAnalysis.h(4.91 KB)
📄 SyncDependenceAnalysis.h(2.85 KB)
📄 SyntheticCountsUtils.h(1.85 KB)
📄 TargetFolder.h(11.04 KB)
📄 TargetLibraryInfo.def(55.35 KB)
📄 TargetLibraryInfo.h(16.86 KB)
📄 TargetTransformInfo.h(96.51 KB)
📄 TargetTransformInfoImpl.h(37.63 KB)
📄 Trace.h(4.1 KB)
📄 TypeBasedAliasAnalysis.h(3.05 KB)
📄 TypeMetadataUtils.h(1.94 KB)
📁 Utils
📄 ValueLattice.h(15.14 KB)
📄 ValueLatticeUtils.h(1.66 KB)
📄 ValueTracking.h(35.82 KB)
📄 VecFuncs.def(10.94 KB)
📄 VectorUtils.h(37.26 KB)

Editing: GuardUtils.h

//===-- GuardUtils.h - Utils for work with guards ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Utils that are used to perform analyzes related to guards and their
// conditions.
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_GUARDUTILS_H
#define LLVM_ANALYSIS_GUARDUTILS_H

namespace llvm {

class BasicBlock;
class Use;
class User;
class Value;

/// Returns true iff \p U has semantics of a guard expressed in a form of call
/// of llvm.experimental.guard intrinsic.
bool isGuard(const User *U);

/// Returns true iff \p U is a widenable branch (that is, parseWidenableBranch
/// returns true).
bool isWidenableBranch(const User *U);

/// Returns true iff \p U has semantics of a guard expressed in a form of a
/// widenable conditional branch to deopt block.
bool isGuardAsWidenableBranch(const User *U);

/// If U is widenable branch looking like:
///   %cond = ...
///   %wc = call i1 @llvm.experimental.widenable.condition()
///   %branch_cond = and i1 %cond, %wc
///   br i1 %branch_cond, label %if_true_bb, label %if_false_bb ; <--- U
/// The function returns true, and the values %cond and %wc and blocks
/// %if_true_bb, if_false_bb are returned in
/// the parameters (Condition, WidenableCondition, IfTrueBB and IfFalseFF)
/// respectively. If \p U does not match this pattern, return false.
bool parseWidenableBranch(const User *U, Value *&Condition,
                          Value *&WidenableCondition, BasicBlock *&IfTrueBB,
                          BasicBlock *&IfFalseBB);

/// Analgous to the above, but return the Uses so that that they can be
/// modified. Unlike previous version, Condition is optional and may be null.
bool parseWidenableBranch(User *U, Use *&Cond, Use *&WC, BasicBlock *&IfTrueBB,
                          BasicBlock *&IfFalseBB);
  
} // llvm

#endif // LLVM_ANALYSIS_GUARDUTILS_H

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