[LLVMdev] LLVM feedback from new user

Sean Silva chisophugis at gmail.com
Mon Mar 30 16:50:33 PDT 2015

Very cool. If you have anything in particular that you'd like to contribute
back to the docs, just send a patch to llvm-commits!

-- Sean Silva

On Sun, Mar 29, 2015 at 12:35 PM, Dibyendu Majumdar <mobile at majumdar.org.uk>

> Hi,
> I posted a few weeks ago that I am creating a JIT compiler using LLVM
> for a Lua derived language that I have named Ravi. I wanted to share
> my experience of getting started with LLVM.
> The following aspects of LLVM have really help me get going:
> 1. The ability to generate LLVM IR from C programs using Clang. As a
> newbie this is invaluable - I can determine what IR I should generate
> by constructing small C snippets and generating IR from it.
> 2. Type checking in the IR Builder and the IR Verifier - these save me
> from bugs again and again - so I have come to really appreciate the
> type safety of LLVM IR and the ability to validate the IR before
> generating any code.
> 3. LLVM usage in other projects - sometimes when I have got stuck I
> have been able to find answers by looking at how other OpenSource
> projects using LLVM solve a particular problem.
> The following areas I feel could be improved:
> The documentation is not really geared for newbies. So I struggled
> with this a bit. I have tried to document what I learned here:
> http://the-ravi-programming-language.readthedocs.org/en/latest/llvm-notes.html
> http://the-ravi-programming-language.readthedocs.org/en/latest/llvm-tbaa.html
> I hope these are useful to others starting out with LLVM.
> Thanks and Regards
> Dibyendu
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