灵感来源 https://decaf-lang.github.io/minidecaf-tutorial/
SYSY 语言原始定义 https://gitlab.eduxiji.net/nscscc/compiler2021/-/blob/master/SysY%E8%AF%AD%E8%A8%80%E5%AE%9A%E4%B9%89.pdf
LLVM IR lang ref https://llvm.org/docs/LangRef.html
LLVM Programmer Manual https://llvm.org/docs/ProgrammersManual.html#the-core-llvm-class-hierarchy-reference
Often misunderstood GEP Instruction https://llvm.org/docs/GetElementPtr.html
Mem2reg 算法以及其他 https://llvm-clang-study-notes.readthedocs.io/en/latest/ssa/Mem2Reg.html
LLVM IR 介绍 https://www.cnblogs.com/Five100Miles/category/1438128.html
LLVM 中文网 https://llvm.liuxfe.com/docs/man/lli
LLVM IR 入门指南 https://github.com/Evian-Zhang/llvm-ir-tutoria
知乎专栏：A Tour to LLVM IR
上 https://zhuanlan.zhihu.com/p/66793637
下 https://zhuanlan.zhihu.com/p/66909226
LLVM SSA 介绍 https://blog.csdn.net/qq_29674357/article/details/78731713
自己动手写编译器 https://pandolia.net/tinyc/
Implementing a JIT Compiled Language with Haskell and LLVM https://www.bookstack.cn/read/stephendiehl-llvm/spilt.1.llvm.md