class GVN::ValueTable

Declaration

class GVN::ValueTable { /* full declaration omitted */ };

Description

This class holds the mapping between values and value numbers. It is used as an efficient mechanism to determine the expression-wise equivalence of two values.

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:89

Method Overview

• public ValueTable(const llvm::GVN::ValueTable & Arg)
• public ValueTable(llvm::GVN::ValueTable && Arg)
• public ValueTable()
• public void add(llvm::Value * V, uint32_t num)
• public void clear()
• public void erase(llvm::Value * v)
• public void eraseTranslateCacheEntry(uint32_t Num, const llvm::BasicBlock & CurrBlock)
• public bool exists(llvm::Value * V) const
• public llvm::AliasAnalysis * getAliasAnalysis() const
• public uint32_t getNextUnusedValueNumber()
• public uint32_t lookup(llvm::Value * V, bool Verify = true) const
• public uint32_t lookupOrAdd(llvm::Value * V)
• public uint32_t lookupOrAddCmp(unsigned int Opcode, CmpInst::Predicate Pred, llvm::Value * LHS, llvm::Value * RHS)
• public uint32_t phiTranslate(const llvm::BasicBlock * BB, const llvm::BasicBlock * PhiBlock, uint32_t Num, llvm::GVN & Gvn)
• public void setAliasAnalysis(llvm::AliasAnalysis * A)
• public void setDomTree(llvm::DominatorTree * D)
• public void setMemDep(llvm::MemoryDependenceResults * M)
• public void verifyRemoved(const llvm::Value *) const
• public ~ValueTable()

Methods

¶ValueTable(const llvm::GVN::ValueTable& Arg)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:130

Parameters

const llvm::GVN::ValueTable& Arg

¶ValueTable(llvm::GVN::ValueTable&& Arg)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:131

Parameters

llvm::GVN::ValueTable&& Arg

¶ValueTable()

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:129

¶void add(llvm::Value* V, uint32_t num)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:143

Parameters

llvm::Value* V

uint32_t num

¶void clear()

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:144

¶void erase(llvm::Value* v)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:145

Parameters

llvm::Value* v

¶void eraseTranslateCacheEntry(
    uint32_t Num,
    const llvm::BasicBlock& CurrBlock)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:141

Parameters

uint32_t Num

const llvm::BasicBlock& CurrBlock

¶bool exists(llvm::Value* V) const

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:142

Parameters

llvm::Value* V

¶llvm::AliasAnalysis* getAliasAnalysis() const

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:147

¶uint32_t getNextUnusedValueNumber()

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:150

¶uint32_t lookup(llvm::Value* V,
                bool Verify = true) const

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:136

Parameters

llvm::Value* V

bool Verify = true

¶uint32_t lookupOrAdd(llvm::Value* V)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:135

Parameters

llvm::Value* V

¶uint32_t lookupOrAddCmp(unsigned int Opcode,
                        CmpInst::Predicate Pred,
                        llvm::Value* LHS,
                        llvm::Value* RHS)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:137

Parameters

unsigned int Opcode

CmpInst::Predicate Pred

llvm::Value* LHS

llvm::Value* RHS

¶uint32_t phiTranslate(
    const llvm::BasicBlock* BB,
    const llvm::BasicBlock* PhiBlock,
    uint32_t Num,
    llvm::GVN& Gvn)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:139

Parameters

const llvm::BasicBlock* BB

const llvm::BasicBlock* PhiBlock

uint32_t Num

llvm::GVN& Gvn

¶void setAliasAnalysis(llvm::AliasAnalysis* A)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:146

Parameters

llvm::AliasAnalysis* A

¶void setDomTree(llvm::DominatorTree* D)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:149

Parameters

llvm::DominatorTree* D

¶void setMemDep(llvm::MemoryDependenceResults* M)

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:148

Parameters

llvm::MemoryDependenceResults* M

¶void verifyRemoved(const llvm::Value*) const

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:151

Parameters

const llvm::Value*

¶~ValueTable()

Declared at: llvm/include/llvm/Transforms/Scalar/GVN.h:132