> learn to write little C programs and use clang to emit the IR. Highly recommen... | Hacker News

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mrathi12 on Dec 26, 2020 | parent | context | favorite | on: A Complete Guide to LLVM for Programming Language ...

> learn to write little C programs and use clang to emit the IR.

Highly recommend this. I used this to get an understanding of how to implement the IR for my language.

mrathi12 on Dec 26, 2020 [–]

The command to use is `clang -S -emit-llvm -O1 foo.c`

It'll write it out to a foo.ll file.

(I use -O1 so it cleans up a bit of the messy parts of the IR).

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