Class Opcode

An opcode that specifies the operation performed by an Instruction.

Import path

import semmle.code.cpp.ir.IR

getReadMemoryAccess	Gets the kind of memory access performed by this instruction’s `MemoryOperand`. Holds only for opcodes that read from memory.
getWriteMemoryAccess	Gets the kind of memory access performed by this instruction’s result. Holds only for opcodes with a memory result.
hasAddressOperand	Holds if the instruction has an `AddressOperand`.
hasBufferSizeOperand	Holds if the instruction has a `BufferSizeOperand`.
hasMayReadMemoryAccess	Holds if the instruction’s read memory access is a `may` read, as opposed to a `must` read.
hasMayWriteMemoryAccess	Holds if the instruction’s write memory access is a `may` write, as opposed to a `must` write.
hasOperand	Holds if the instruction must have an operand with the specified `OperandTag`.
hasOperandInternal	Holds if the instruction must have an operand with the specified `OperandTag`, ignoring `AddressOperandTag` and `BufferSizeOperandTag`.
toString	Gets a textual representation of this element.