LLVM API Documentation

Public Member Functions | Public Attributes
llvm::MCOperandInfo Class Reference

#include <MCInstrDesc.h>

Collaboration diagram for llvm::MCOperandInfo:
Collaboration graph
[legend]

List of all members.

Public Member Functions

bool isLookupPtrRegClass () const
 Currently no other information.
bool isPredicate () const
bool isOptionalDef () const

Public Attributes

int16_t RegClass
uint8_t Flags
 Flags - These are flags from the MCOI::OperandFlags enum.
uint8_t OperandType
 OperandType - Information about the type of the operand.
uint32_t Constraints

Detailed Description

MCOperandInfo - This holds information about one operand of a machine instruction, indicating the register class for register operands, etc.

Definition at line 58 of file MCInstrDesc.h.


Member Function Documentation

Currently no other information.

isLookupPtrRegClass - Set if this operand is a pointer value and it requires a callback to look up its register class.

Definition at line 79 of file MCInstrDesc.h.

References Flags, and llvm::MCOI::LookupPtrRegClass.

Referenced by llvm::TargetInstrInfo::getRegClass().

isOptionalDef - Set if this operand is a optional def.

Definition at line 87 of file MCInstrDesc.h.

References Flags, and llvm::MCOI::OptionalDef.

Referenced by llvm::ARMTargetLowering::AdjustInstrPostInstrSelection(), llvm::TargetSchedModel::computeOperandLatency(), and llvm::MachineInstr::print().

isPredicate - Set if this is one of the operands that made up of the predicate operand that controls an isPredicable() instruction.

Definition at line 83 of file MCInstrDesc.h.

References Flags.

Referenced by llvm::MachineInstr::findFirstPredOperandIdx(), and llvm::MachineInstr::print().


Member Data Documentation

Lower 16 bits are used to specify which constraints are set. The higher 16 bits are used to specify the value of constraints (4 bits each).

Definition at line 74 of file MCInstrDesc.h.

Referenced by llvm::MCInstrDesc::getOperandConstraint().

Flags - These are flags from the MCOI::OperandFlags enum.

Definition at line 67 of file MCInstrDesc.h.

Referenced by isLookupPtrRegClass(), isOptionalDef(), and isPredicate().

OperandType - Information about the type of the operand.

Definition at line 70 of file MCInstrDesc.h.

Referenced by llvm::SIInstrInfo::isImmOperandLegal(), and llvm::SIInstrInfo::verifyInstruction().

RegClass - This specifies the register class enumeration of the operand if the operand is a register. If isLookupPtrRegClass is set, then this is an index that is passed to TargetRegisterInfo::getPointerRegClass(x) to get a dynamic register class.

Definition at line 64 of file MCInstrDesc.h.

Referenced by AddThumb1SBit(), llvm::SIInstrInfo::getOpRegClass(), llvm::TargetInstrInfo::getRegClass(), llvm::SIInstrInfo::isImmOperandLegal(), llvm::SIInstrInfo::isOperandLegal(), and llvm::SIInstrInfo::verifyInstruction().


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