llvm::InstrItinerary Struct Reference

An itinerary represents the scheduling information for an instruction. More...

#include "llvm/MC/MCInstrItineraries.h"

Public Attributes
int16_t	NumMicroOps
uint16_t	FirstStage
	Index of first stage in itinerary.
uint16_t	LastStage
	Index of last + 1 stage in itinerary.
uint16_t	FirstOperandCycle
	Index of first operand rd/wr.
uint16_t	LastOperandCycle
	Index of last + 1 operand rd/wr.

Detailed Description

An itinerary represents the scheduling information for an instruction.

This includes a set of stages occupied by the instruction and the pipeline cycle in which operands are read and written.

Definition at line 99 of file MCInstrItineraries.h.

Member Data Documentation

FirstOperandCycle

uint16_t llvm::InstrItinerary::FirstOperandCycle

Index of first operand rd/wr.

Definition at line 103 of file MCInstrItineraries.h.

Referenced by llvm::InstrItineraryData::getOperandCycle(), and llvm::InstrItineraryData::hasPipelineForwarding().

FirstStage

uint16_t llvm::InstrItinerary::FirstStage

Index of first stage in itinerary.

Definition at line 101 of file MCInstrItineraries.h.

Referenced by llvm::InstrItineraryData::beginStage(), and llvm::HexagonMCInstrInfo::getCVIResources().

LastOperandCycle

uint16_t llvm::InstrItinerary::LastOperandCycle

Index of last + 1 operand rd/wr.

Definition at line 104 of file MCInstrItineraries.h.

Referenced by llvm::InstrItineraryData::getOperandCycle(), and llvm::InstrItineraryData::hasPipelineForwarding().

LastStage

uint16_t llvm::InstrItinerary::LastStage

Index of last + 1 stage in itinerary.

Definition at line 102 of file MCInstrItineraries.h.

Referenced by llvm::InstrItineraryData::endStage(), llvm::HexagonMCInstrInfo::getCVIResources(), and llvm::HexagonMCInstrInfo::getOtherReservedSlots().

NumMicroOps

int16_t llvm::InstrItinerary::NumMicroOps

of micro-ops, -1 means it's variable

Definition at line 100 of file MCInstrItineraries.h.

Referenced by llvm::TargetInstrInfo::getNumMicroOps(), and llvm::InstrItineraryData::getNumMicroOps().

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

• include/llvm/MC/MCInstrItineraries.h