go ssa 的一些知识 - V2EX
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griffinx

go ssa 的一些知识

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  •   griffinx Aug 27, 2024 2017 views
    This topic created in 624 days ago, the information mentioned may be changed or developed.

    最近工作中涉及到了比较多的 go ssa ,所以准备写一个详细介绍 ssa 的小册子,毕竟 go ssa 本身的文档并不算多,概念也有些模糊 https://xieyuschen.github.io/go-ssa-book/

    4 replies    2024-08-28 12:18:39 +08:00
    nagisaushio
        1
    nagisaushio  
       Aug 27, 2024 via Android
    之前借助 ssa 写过一个 staticcheck 检查所有 type A coerced into type B 的地方。一开始在 ast 层面捣鼓了很久没弄出来,后来发现用 ssa 简直太容易了
    lointo
        2
    lointo  
       Aug 27, 2024 via Android
    挺有用 不过现在我都是用 github copilot 来,写这片的逻辑 太多常量需要记忆了
    griffinx
        3
    griffinx  
    OP
       Aug 28, 2024
    @nagisaushio 是的,ssa 在生成 ir 过程中做了很多的处理,对于语义层面的解析非常有帮助。
    griffinx
        4
    griffinx  
    OP
       Aug 28, 2024
    @lointo 嗯是的,同意你的观点,但是如果一些具体的概念不了解的话,一点点的试效率很低,这也是我写这个小册子的原因(太忙了只能一点点写了)。另外如果有 llvm 背景的话,其实这些 ir 很好理解,只需要关注 go 是如何组织各种结构的 ir 代码
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