alt Hacker NewsOk. Let me ask differently. Why would I download and use LLVM for working with java code? Which usecases favor this?
Replies
drzaiusx11 • last Sunday at 1:55 PM
This is interop glue to cross language boundaries in the JVM without the problems that come with JNI. The natural goal/use-case being that you can call pre-existing code in other languages that target LLVM IR.
TazeTSchnitzel • last Sunday at 2:14 PM
That's not what the article is about.
connicpu • last Sunday at 2:48 PM
The article is presenting something different entirely. This is the precursor to what it would take to create a compiler written in java that produces native code.
almostgotcaught • last Sunday at 3:05 PM
"why would I use a frying pan when I can use a flashlight"
The two things have nothing to do with each other.
It's more an fun educational overview of the new FFM API.
I can't think of many actual use-cases where you'd want to use the LLVM JIT over those built-in to HotSpot.
Interfacing with existing LLVM-based systems, writing a very tight inner loop using LLVM where you absolutely need LLVM-like performance, or creating a compiler that targets LLVM using Java would be the main "real-world" use-cases.