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Ron Evans edited this page Apr 20, 2022
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If you're looking for documentation, that's online over here.
Also, look at the sidebar for some random notes on TinyGo.
- LLVM from a Go perspective
- An introduction to LLVM in Go
- GopherAcademy: LLVM IR and Go
- Learning LLVM (pdf)
- http://notes.eatonphil.com/compiler-basics-llvm.html
- How a Go Program Compiles down to Machine Code - Good overview how the mainline Go compiler operates
- http://en.wikipedia.org/wiki/Static_single_assignment_form - A good intro to SSA in general
- Online Go SSA viewer - Paste Go code in the left pane, shows the Go SSA on the right
- Go SSA documentation
Go SSA can be generated from the command line by adding the GOSSAFUNC
variable to your environment for go build
:
$ GOSSAFUNC=main go build -a src/examples/wasm/main/main.go
# runtime
dumped SSA to /usr/local/go/src/runtime/ssa.html
# command-line-arguments
dumped SSA to src/examples/wasm/main/ssa.html
The ssa.html file can be viewed using a browser:
$ ls -la src/examples/wasm/main/
total 156
drwxrwxr-x. 2 jc jc 72 May 6 18:51 .
drwxrwxr-x. 6 jc jc 125 May 6 18:50 ..
-rw-rw-r--. 1 jc jc 1304 May 6 18:50 index.html
-rw-rw-r--. 1 jc jc 55 May 6 18:50 main.go
-rw-rw-r--. 1 jc jc 254 May 6 18:50 README.md
-rw-r--r--. 1 jc jc 146489 May 6 18:51 ssa.html
- What each of the LLVM command line tools do
- Mapping High Level Constructs to LLVM IR (source)
- LLVM Programmers Manual
- LLVM Language Reference Manual
- LLVM for Grad Students - Some useful intro pieces in here, though it has a different focus
- Quick intro to using LLVM Bugpoint - Useful for reducing test cases when LLVM crashes on a .ll or .bc file
- How to submit an LLVM bug
- go-llvm docs - Docs for the official LLVM bindings for Go
- https://github.com/llir/llvm - Library for interacting with LLVM IR in pure Go