The heart of any backend is instruction selection. LLVM implements several approaches; in this chapter, we will implement instruction selection…
And last, the superclass defines an abstract print() virtual method that we need to implement. This is only used for…
The M88kInstPrinter class has a similar structure to the M88kMCCodeEmitter class. As mentioned previously, the InstPrinter class is responsible for…
Internally in LLVM, an instruction is represented by an instance of the MCInst class. An instruction can be emitted as…
The assembler parser is easy to implement, since LLVM provides a framework for it, and large parts are generated from…
An instruction is defined using the TableGen Instruction class. Defining an instruction is a complex task because we have to…