2021-07-02 23:37:40 +01:00
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#+TITLE: How to build a compiler with LLVM and MLIR
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#+SEQ_TODO: TODO(t/!) NEXT(n/!) BLOCKED(b@/!) | DONE(d%) CANCELLED(c@/!) FAILED(f@/!)
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#+TAGS: READER(r) MISC(m)
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#+STARTUP: logdrawer logdone logreschedule indent content align constSI entitiespretty
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2021-07-03 16:52:57 +01:00
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* DONE Episode 1 - Introduction
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2021-07-02 23:37:40 +01:00
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** What is it all about?
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- Create a programming lang
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- Guide for contributors
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- A LLVM/MLIR guide
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** The Plan
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- Git branches
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- No live coding
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- Feel free to contribute
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** Serene and a bit of history
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- Other Implementations
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- Requirements
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- C++ 14
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- CMake
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- Repository: https://devheroes.codes/Serene
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- Website: lxsameer.com
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Email: lxsameer@gnu.org
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2021-07-10 17:52:53 +01:00
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* DONE Episode 2 - Basic Setup
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CLOSED: [2021-07-10 Sat 09:04]
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2021-07-03 16:52:57 +01:00
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** Installing Requirements
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*** LLVM and Clang
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- mlir-tblgen
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*** ccache (optional)
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** Building Serene and the =builder=
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- git hooks
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** Source tree structure
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** =dev.org= resources and TODOs
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2021-07-10 17:52:53 +01:00
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* Episode 3 - Overview
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** Generic Compiler
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- [[https://www.cs.princeton.edu/~appel/modern/ml/whichver.html][Modern Compiler Implementation in ML: Basic Techniques]]
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- [[https://suif.stanford.edu/dragonbook/][Compilers: Principles, Techniques, and Tools (The Dragon Book)]]
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*** Common Steps
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- Lexical analyzer
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- Syntax analyzer
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- Semantic analyzer
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- Intermediate code generation
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- Code optimizer
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- Target code generation
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** LLVM
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[[llvm.org]]
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*** Watch [[https://www.youtube.com/watch?v=J5xExRGaIIY][Introdution to LLVM]]
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*** Quick overview
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Deducted from https://www.aosabook.org/en/llvm.html
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[[./imgs/llvm_dia.svg]]
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** MLIR
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[[mlir.llvm.org]]
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[[./imgs/mlir_dia.svg]]
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** Serene
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*** A Compiler frontend
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*** Steps
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- =serenec= in parses the command lines args
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- =reader= reads the input file and generates an =AST=
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- =semantic analyzer= walks the =AST= aned generates a new =AST= and rewrites
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the necessary nodes.
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- =slir= generator generates =slir= dialect code from =AST=.
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- We lower =slir= to other dialects of the *MLIR* which we call the result =mlir=.
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- Then, We lower everything to the =LLVMIR dialect= and call it =lir= (lowered IR).
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- Finally we fully lower =lir= to =LLVM IR= and pass it to the object generator
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to generate object files.
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- Call the default =c compiler= to link the object files and generate the machine code.
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