LLVM: llvm::SelectionDAGBuilder::SDAGSwitchLowering Class Reference (original) (raw)

#include "[CodeGen/SelectionDAG/SelectionDAGBuilder.h](SelectionDAGBuilder%5F8h%5Fsource.html)"

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

Constructor & Destructor Documentation

Member Function Documentation

◆ addSuccessorWithProb()

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