FunctionComparator.h Source File (original) (raw)

14#ifndef LLVM_TRANSFORMS_UTILS_FUNCTIONCOMPARATOR_H

15#define LLVM_TRANSFORMS_UTILS_FUNCTIONCOMPARATOR_H

25#include

26#include

28namespace llvm {

31class AttributeList;

58 };

64 ValueNumberMap GlobalNumbers;

69public:

74 bool Inserted;

75 std::tie(MapIter, Inserted) = GlobalNumbers.insert({Global, NextNumber});

76 if (Inserted)

77 NextNumber++;

78 return MapIter->second;

79 }

82 GlobalNumbers.erase(Global);

83 }

86 GlobalNumbers.clear();

87 }

88};

95public:

98 : FnL(F1), FnR(F2), GlobalNumbers(GN) {}

100

102

103protected:

104

106 sn_mapL.clear();

107 sn_mapR.clear();

108 }

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275 bool &needToCmpOperands) const;

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330private:

333 int cmpAttrs(const AttributeList L, const AttributeList R) const;

334 int cmpMDNode(const MDNode *L, const MDNode *R) const;

337 int cmpOperandBundlesSchema(const CallBase &LCS, const CallBase &RCS) const;

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390};

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392}

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394#endif

Atomic ordering constants.

This file defines the DenseMap class.

Class for arbitrary precision integers.

LLVM Basic Block Representation.

Base class for all callable instructions (InvokeInst and CallInst) Holds everything related to callin...

This class represents a range of values.

This is an important base class in LLVM.

FunctionComparator(const Function *F1, const Function *F2, GlobalNumberState *GN)

Definition FunctionComparator.h:96

LLVM_ABI int cmpBasicBlocks(const BasicBlock *BBL, const BasicBlock *BBR) const

Test whether two basic blocks have equivalent behaviour.

const Function * FnR

Definition FunctionComparator.h:328

LLVM_ABI int cmpConstantRanges(const ConstantRange &L, const ConstantRange &R) const

LLVM_ABI int compareSignature() const

Compares the signature and other general attributes of the two functions.

LLVM_ABI int cmpMem(StringRef L, StringRef R) const

LLVM_ABI int compare()

Test whether the two functions have equivalent behaviour.

LLVM_ABI int cmpAPFloats(const APFloat &L, const APFloat &R) const

const Function * FnL

Definition FunctionComparator.h:328

LLVM_ABI int cmpTypes(Type *TyL, Type *TyR) const

cmpType - compares two types, defines total ordering among the types set.

LLVM_ABI int cmpOperations(const Instruction *L, const Instruction *R, bool &needToCmpOperands) const

Compare two Instructions for equivalence, similar to Instruction::isSameOperationAs.

LLVM_ABI int cmpNumbers(uint64_t L, uint64_t R) const

LLVM_ABI int cmpAligns(Align L, Align R) const

void beginCompare()

Start the comparison.

Definition FunctionComparator.h:105

LLVM_ABI int cmpValues(const Value *L, const Value *R) const

Assign or look up previously assigned numbers for the two values, and return whether the numbers are ...

LLVM_ABI int cmpGlobalValues(GlobalValue *L, GlobalValue *R) const

Compares two global values by number.

LLVM_ABI int cmpConstants(const Constant *L, const Constant *R) const

Constants comparison.

LLVM_ABI int cmpAPInts(const APInt &L, const APInt &R) const

an instruction for type-safe pointer arithmetic to access elements of arrays and structs

GlobalNumberState assigns an integer to each global value in the program, which is used by the compar...

Definition FunctionComparator.h:55

GlobalNumberState()=default

void clear()

Definition FunctionComparator.h:85

void erase(GlobalValue *Global)

Definition FunctionComparator.h:81

uint64_t getNumber(GlobalValue *Global)

Definition FunctionComparator.h:72

StringRef - Represent a constant reference to a string, i.e.

The instances of the Type class are immutable: once they are created, they are never changed.

ValueMapIteratorImpl< MapT, GlobalValue *, false > iterator

LLVM Value Representation.

This is an optimization pass for GlobalISel generic memory operations.

@ Global

Append to llvm.global_dtors.

AtomicOrdering

Atomic ordering for LLVM's memory model.

decltype(auto) cast(const From &Val)

cast - Return the argument parameter cast to the specified type.

This struct is a compact representation of a valid (non-zero power of two) alignment.

This class defines the default behavior for configurable aspects of ValueMap<>.

std::conditional_t< IsConst, const ValueT &, ValueT & > second