llvm::SelectionDAGBuilder::SDAGSwitchLowering Class Reference

#include "CodeGen/SelectionDAG/SelectionDAGBuilder.h"

Inheritance diagram for llvm::SelectionDAGBuilder::SDAGSwitchLowering:

Public Member Functions
	SDAGSwitchLowering (SelectionDAGBuilder *sdb, FunctionLoweringInfo &funcinfo)
void	addSuccessorWithProb (MachineBasicBlock *Src, MachineBasicBlock *Dst, BranchProbability Prob=BranchProbability::getUnknown()) override
Public Member Functions inherited from llvm::SwitchCG::SwitchLowering
	SwitchLowering (FunctionLoweringInfo &funcinfo)
void	init (const TargetLowering &tli, const TargetMachine &tm, const DataLayout &dl)
void	findJumpTables (CaseClusterVector &Clusters, const SwitchInst *SI, std::optional< SDLoc > SL, MachineBasicBlock *DefaultMBB, ProfileSummaryInfo *PSI, BlockFrequencyInfo *BFI)
bool	buildJumpTable (const CaseClusterVector &Clusters, unsigned First, unsigned Last, const SwitchInst *SI, const std::optional< SDLoc > &SL, MachineBasicBlock *DefaultMBB, CaseCluster &JTCluster)
void	findBitTestClusters (CaseClusterVector &Clusters, const SwitchInst *SI)
bool	buildBitTests (CaseClusterVector &Clusters, unsigned First, unsigned Last, const SwitchInst *SI, CaseCluster &BTCluster)
	Build a bit test cluster from Clusters[First..Last].
unsigned	caseClusterRank (const CaseCluster &CC, CaseClusterIt First, CaseClusterIt Last)
	Determine the rank by weight of CC in [First,Last].
SplitWorkItemInfo	computeSplitWorkItemInfo (const SwitchWorkListItem &W)
	Compute information to balance the tree based on branch probabilities to create a near-optimal (in terms of search time given key frequency) binary search tree.
virtual	~SwitchLowering ()=default

Additional Inherited Members
Public Attributes inherited from llvm::SwitchCG::SwitchLowering
std::vector< CaseBlock >	SwitchCases
	Vector of CaseBlock structures used to communicate SwitchInst code generation information.
std::vector< JumpTableBlock >	JTCases
	Vector of JumpTable structures used to communicate SwitchInst code generation information.
std::vector< BitTestBlock >	BitTestCases
	Vector of BitTestBlock structures used to communicate SwitchInst code generation information.

Detailed Description

Definition at line 231 of file SelectionDAGBuilder.h.

Constructor & Destructor Documentation

SDAGSwitchLowering()

llvm::SelectionDAGBuilder::SDAGSwitchLowering::SDAGSwitchLowering ( SelectionDAGBuilder * sdb, FunctionLoweringInfo & funcinfo )

inline

Definition at line 233 of file SelectionDAGBuilder.h.

References llvm::SelectionDAGBuilder::SelectionDAGBuilder(), and llvm::SwitchCG::SwitchLowering::SwitchLowering().

Member Function Documentation

addSuccessorWithProb()

void llvm::SelectionDAGBuilder::SDAGSwitchLowering::addSuccessorWithProb ( MachineBasicBlock * Src, MachineBasicBlock * Dst, BranchProbability Prob = BranchProbability::getUnknown() )

inlineoverridevirtual

Implements llvm::SwitchCG::SwitchLowering.

Definition at line 236 of file SelectionDAGBuilder.h.

References llvm::BranchProbability::getUnknown().

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The documentation for this class was generated from the following file:

• lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h