Gnalc - 0x676e616c63

Gnalc is an optimizing compiler for SysY targeting ARM, RISC-V, and Brainfuck.

Overview

graph LR
    IRText["IR Text"] --> IR
    SysY --> AST --> SIR --> IR
    IR --> MIR
    IR --> LLVM[LLVM]
    IR --> Brainfuck
    MIR --> armv8[ARMv8]
    MIR --> armv7[ARMv7]
    MIR --> riscv64[RISCV64]

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Setup

Prerequisites

• cmake
• clang++
• python3
• aarch64-linux-gnu-gcc

Build

git clone https://github.com/0x676e616c63/gnalc.git
cd gnalc
mkdir build && cd build
cmake .. && make gnalc -j$(nproc)
./gnalc -v

Documentation

• SysY 2022 Language Specification
• AST Design
• IR Instructions
• Optimizations
• Test & Benchmark
• Brainfuck Backend

Name

The name gnalc is clang reversed.
Our team name 0x676e616c63 is the ASCII hex representation of gnalc.

References

• Engineering A Compiler 2nd
• Static Single Assignment Book
• Advanced Compiler Design & Implementation
• Compilers: Principles, Techniques, and Tools Second Edition
• 深入理解 LLVM：代码生成
• 多面体编译理论与深度学习实践
• Compiler Optimizations for a Time-constrained Environment
• Optimizing Compilers for Modern Architectures
• The LLVM Project Blog
• Enna1’s study notes about LLVM
• Enna1's website
• Understanding LLVM Transformation Passes

License

This project is licensed under the MIT License.
See LICENSE for details.