1869365 - Add shell function to print MIR/LIR of wasm function

Status: RESOLVED FIXED

(Core :: JavaScript: WebAssembly, task, P3)

Description

[Ryan Hunt [:rhunt]]

It's already possible to print the MIR/LIR by using the IonFlags envvar and grepping through logs for your specific function. I personally end up avoiding that because it's a bit tedious.

I prototyped a quick patch which will take wasm bytecode and a func index, and return a JS String with the MIR/LIR dump. It's similar to our wasmDis function, which I use more often.

Comment 1

[Ryan Hunt [:rhunt]]

Attachment: Bug 1869365 - wasm: Add shell function to dump MIR/LIR of wasm function. r?jseward

Usage:
wasmDumpIon(bytecode, funcIndex, "mir" | "lir" | "opt-mir");

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/013c01e9b424
wasm: Add shell function to dump MIR/LIR of wasm function. r=jseward

Comment 3

[Cristian Tuns]

https://hg.mozilla.org/mozilla-central/rev/013c01e9b424