#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
Inheritance diagram for llvm::InstructionSelector:
Public Member Functions | |
| virtual | ~InstructionSelector () |
| virtual bool | select (MachineInstr &I)=0 |
Select the (possibly generic) instruction I to only use target-specific opcodes. | |
 Public Member Functions inherited from llvm::GIMatchTableExecutor | |
| virtual | ~GIMatchTableExecutor ()=default |
| virtual void | setupGeneratedPerFunctionState (MachineFunction &MF)=0 |
| virtual void | setupMF (MachineFunction &mf, GISelKnownBits *kb, CodeGenCoverage *covinfo=nullptr, ProfileSummaryInfo *psi=nullptr, BlockFrequencyInfo *bfi=nullptr) |
| Setup per-MF executor state. | |
Public Attributes | |
| const TargetPassConfig * | TPC = nullptr |
| MachineOptimizationRemarkEmitter * | MORE = nullptr |
| Public Attributes inherited from llvm::GIMatchTableExecutor | |
| CodeGenCoverage * | CoverageInfo = nullptr |
| GISelKnownBits * | KB = nullptr |
| MachineFunction * | MF = nullptr |
| ProfileSummaryInfo * | PSI = nullptr |
| BlockFrequencyInfo * | BFI = nullptr |
| MachineBasicBlock * | CurMBB = nullptr |
Additional Inherited Members | |
| Static Public Member Functions inherited from llvm::GIMatchTableExecutor | |
| static LLVM_ATTRIBUTE_ALWAYS_INLINE uint64_t | fastDecodeULEB128 (const uint8_t *LLVM_ATTRIBUTE_RESTRICT MatchTable, uint64_t &CurrentIdx) |
| Protected Types inherited from llvm::GIMatchTableExecutor | |
| using | ComplexRendererFns = std::optional< SmallVector< std::function< void(MachineInstrBuilder &)>, 4 > > |
| using | RecordedMIVector = SmallVector< MachineInstr *, 4 > |
| using | NewMIVector = SmallVector< MachineInstrBuilder, 4 > |
| Protected Member Functions inherited from llvm::GIMatchTableExecutor | |
| bool | shouldOptForSize (const MachineFunction *MF) const |
| GIMatchTableExecutor () | |
| template<class TgtExecutor , class PredicateBitset , class ComplexMatcherMemFn , class CustomRendererFn > | |
| bool | executeMatchTable (TgtExecutor &Exec, MatcherState &State, const ExecInfoTy< PredicateBitset, ComplexMatcherMemFn, CustomRendererFn > &ExecInfo, MachineIRBuilder &Builder, const uint8_t *MatchTable, const TargetInstrInfo &TII, MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI, const RegisterBankInfo &RBI, const PredicateBitset &AvailableFeatures, CodeGenCoverage *CoverageInfo) const |
| Execute a given matcher table and return true if the match was successful and false otherwise. | |
| virtual const uint8_t * | getMatchTable () const |
| virtual bool | testImmPredicate_I64 (unsigned, int64_t) const |
| virtual bool | testImmPredicate_APInt (unsigned, const APInt &) const |
| virtual bool | testImmPredicate_APFloat (unsigned, const APFloat &) const |
| virtual bool | testMIPredicate_MI (unsigned, const MachineInstr &, const MatcherState &State) const |
| virtual bool | testSimplePredicate (unsigned) const |
| virtual bool | runCustomAction (unsigned, const MatcherState &State, NewMIVector &OutMIs) const |
| bool | isOperandImmEqual (const MachineOperand &MO, int64_t Value, const MachineRegisterInfo &MRI, bool Splat=false) const |
| bool | isBaseWithConstantOffset (const MachineOperand &Root, const MachineRegisterInfo &MRI) const |
| Return true if the specified operand is a G_PTR_ADD with a G_CONSTANT on the right-hand side. | |
| bool | isObviouslySafeToFold (MachineInstr &MI, MachineInstr &IntoMI) const |
| Return true if MI can obviously be folded into IntoMI. | |
| Static Protected Member Functions inherited from llvm::GIMatchTableExecutor | |
| template<typename Ty > | |
| static Ty | readBytesAs (const uint8_t *MatchTable) |
| static ArrayRef< MachineOperand > | getRemainingOperands (const MachineInstr &MI, unsigned FirstVarOp) |
Detailed Description
Definition at line 19 of file InstructionSelector.h.
Constructor & Destructor Documentation
◆ ~InstructionSelector()
|
virtualdefault |
Member Function Documentation
◆ select()
|
pure virtual |
Select the (possibly generic) instruction I to only use target-specific opcodes.
It is OK to insert multiple instructions, but they cannot be generic pre-isel instructions.
- Returns
- whether selection succeeded.
- Precondition
- I.getParent() && I.getParent()->getParent()
- Postcondition
- if returns true: for I in all mutated/inserted instructions: !isPreISelGenericOpcode(I.getOpcode())
Implemented in llvm::AMDGPUInstructionSelector.
Referenced by llvm::InstructionSelect::selectInstr().
Member Data Documentation
◆ MORE
| MachineOptimizationRemarkEmitter* llvm::InstructionSelector::MORE = nullptr |
Definition at line 38 of file InstructionSelector.h.
Referenced by llvm::InstructionSelect::selectMachineFunction().
◆ TPC
| const TargetPassConfig* llvm::InstructionSelector::TPC = nullptr |
Definition at line 36 of file InstructionSelector.h.
Referenced by llvm::InstructionSelect::runOnMachineFunction(), and llvm::InstructionSelect::selectMachineFunction().
The documentation for this class was generated from the following files:
- include/llvm/CodeGen/GlobalISel/InstructionSelector.h
- lib/CodeGen/GlobalISel/InstructionSelector.cpp
