File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/llvm/include/llvm/Transforms/Utils

usr / src / contrib / llvm-project / llvm / include / llvm / Transforms / Utils /

📁 ..
📄 AMDGPUEmitPrintf.h(864 B)
📄 ASanStackFrameLayout.h(3.51 KB)
📄 AddDiscriminators.h(1.04 KB)
📄 AssumeBundleBuilder.h(2.29 KB)
📄 BasicBlockUtils.h(20.81 KB)
📄 BreakCriticalEdges.h(1.16 KB)
📄 BuildLibCalls.h(9.67 KB)
📄 BypassSlowDivision.h(2.55 KB)
📄 CallGraphUpdater.h(3.84 KB)
📄 CallPromotionUtils.h(3.41 KB)
📄 CanonicalizeAliases.h(998 B)
📄 CanonicalizeFreezeInLoops.h(1.15 KB)
📄 Cloning.h(12.34 KB)
📄 CodeExtractor.h(9.58 KB)
📄 CodeMoverUtils.h(2.85 KB)
📄 CtorUtils.h(1021 B)
📄 Debugify.h(3.36 KB)
📄 EntryExitInstrumenter.h(1.16 KB)
📄 EscapeEnumerator.h(1.56 KB)
📄 Evaluator.h(4.69 KB)
📄 FunctionComparator.h(17.12 KB)
📄 FunctionImportUtils.h(5.73 KB)
📄 GlobalStatus.h(2.97 KB)
📄 GuardUtils.h(1.92 KB)
📄 ImportedFunctionsInliningStatistics.h(4.35 KB)
📄 InjectTLIMappings.h(1.27 KB)
📄 IntegerDivision.h(2.88 KB)
📄 LCSSA.h(1.56 KB)
📄 LibCallsShrinkWrap.h(908 B)
📄 Local.h(24.77 KB)
📄 LoopRotationUtils.h(1.54 KB)
📄 LoopSimplify.h(2.85 KB)
📄 LoopUtils.h(21.25 KB)
📄 LoopVersioning.h(5.87 KB)
📄 LowerInvoke.h(1.08 KB)
📄 LowerMemIntrinsics.h(2.14 KB)
📄 Mem2Reg.h(921 B)
📄 MisExpect.h(1.81 KB)
📄 ModuleUtils.h(5.04 KB)
📄 NameAnonGlobals.h(1.03 KB)
📄 PredicateInfo.h(7.76 KB)
📄 PromoteMemToReg.h(1.57 KB)
📄 SSAUpdater.h(6.12 KB)
📄 SSAUpdaterBulk.h(3.18 KB)
📄 SSAUpdaterImpl.h(15.75 KB)
📄 SanitizerStats.h(1.53 KB)
📄 ScalarEvolutionExpander.h(17.87 KB)
📄 SimplifyIndVar.h(2.12 KB)
📄 SimplifyLibCalls.h(10.85 KB)
📄 SizeOpts.h(4.84 KB)
📄 SplitModule.h(1.53 KB)
📄 SymbolRewriter.h(5.02 KB)
📄 UnifyFunctionExitNodes.h(1.83 KB)
📄 UniqueInternalLinkageNames.h(1.07 KB)
📄 UnrollLoop.h(6.05 KB)
📄 VNCoercion.h(4.99 KB)
📄 ValueMapper.h(11.67 KB)

Editing: SSAUpdaterBulk.h

//===- SSAUpdaterBulk.h - Unstructured SSA Update Tool ----------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file declares the SSAUpdaterBulk class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_UTILS_SSAUPDATERBULK_H
#define LLVM_TRANSFORMS_UTILS_SSAUPDATERBULK_H

#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/PredIteratorCache.h"

namespace llvm {

class BasicBlock;
class PHINode;
template <typename T> class SmallVectorImpl;
class Type;
class Use;
class Value;
class DominatorTree;

/// Helper class for SSA formation on a set of values defined in multiple
/// blocks.
///
/// This is used when code duplication or another unstructured transformation
/// wants to rewrite a set of uses of one value with uses of a set of values.
/// The update is done only when RewriteAllUses is called, all other methods are
/// used for book-keeping. That helps to share some common computations between
/// updates of different uses (which is not the case when traditional SSAUpdater
/// is used).
class SSAUpdaterBulk {
  struct RewriteInfo {
    DenseMap<BasicBlock *, Value *> Defines;
    SmallVector<Use *, 4> Uses;
    StringRef Name;
    Type *Ty;
    RewriteInfo(){};
    RewriteInfo(StringRef &N, Type *T) : Name(N), Ty(T){};
  };
  SmallVector<RewriteInfo, 4> Rewrites;

PredIteratorCache PredCache;

Value *computeValueAt(BasicBlock *BB, RewriteInfo &R, DominatorTree *DT);

public:
  explicit SSAUpdaterBulk(){};
  SSAUpdaterBulk(const SSAUpdaterBulk &) = delete;
  SSAUpdaterBulk &operator=(const SSAUpdaterBulk &) = delete;
  ~SSAUpdaterBulk(){};

/// Add a new variable to the SSA rewriter. This needs to be called before
  /// AddAvailableValue or AddUse calls. The return value is the variable ID,
  /// which needs to be passed to AddAvailableValue and AddUse.
  unsigned AddVariable(StringRef Name, Type *Ty);

/// Indicate that a rewritten value is available in the specified block with
  /// the specified value.
  void AddAvailableValue(unsigned Var, BasicBlock *BB, Value *V);

/// Record a use of the symbolic value. This use will be updated with a
  /// rewritten value when RewriteAllUses is called.
  void AddUse(unsigned Var, Use *U);

/// Return true if the SSAUpdater already has a value for the specified
  /// variable in the specified block.
  bool HasValueForBlock(unsigned Var, BasicBlock *BB);

/// Perform all the necessary updates, including new PHI-nodes insertion and
  /// the requested uses update.
  ///
  /// The function requires dominator tree DT, which is used for computing
  /// locations for new phi-nodes insertions. If a nonnull pointer to a vector
  /// InsertedPHIs is passed, all the new phi-nodes will be added to this
  /// vector.
  void RewriteAllUses(DominatorTree *DT,
                      SmallVectorImpl<PHINode *> *InsertedPHIs = nullptr);
};

} // end namespace llvm

#endif // LLVM_TRANSFORMS_UTILS_SSAUPDATERBULK_H

003 File Manager

Editing: SSAUpdaterBulk.h

Upload File

Create Folder