[cfe-dev] [llvm-dev] MLIR for clang
Michael Kruse via cfe-dev
cfe-dev at lists.llvm.org
Tue Feb 25 15:03:53 PST 2020
Looking forward to your presentation.
Am Di., 25. Feb. 2020 um 16:24 Uhr schrieb Chris Lattner <clattner at nondot.org>:
> I’ve added notes about these Michael and Prashanth! Thanks!
> > On Feb 22, 2020, at 6:19 PM, Michael Kruse <llvm at meinersbur.de> wrote:
> > Am Do., 20. Feb. 2020 um 21:04 Uhr schrieb Chris Lattner via cfe-dev
> > <cfe-dev at lists.llvm.org>:
> >> I’m presenting a talk next Wednesday at CGO’20 about MLIR, and will be talking about some “how and why could clang and llvm use mlir” concepts. I already hope to cover:
> >> - better separation of concerns in general.
> >> - Make abi lowering be clang-independent
> >> - Share OpenMP lowering across frontends, enable better openmp optimization (e.g. constant folding and hoisting across parallel loops is trivial)
> >> - enabling high level optimizations (e.g. insert std::vector::reserve calls based on data flow analysis)
> >> - Merging the clang CFG representation into the main flow
> >> I’ll also mention some of the benefits of moving LLVM IR to MLIR - including things like multithreaded compilation, better location tracking, better modeling of invoke and other terminators, etc.
> >> If anyone has any other specific things you’d like me to mention, please let me know! I’ll be happy to share the slides with this list after the talk. Thanks!
> > If the flat CFG representation is only the first step, I'd be
> > interested in what what the end goal for representing
> > coroutines/if/while/do/for/switch statements would, especially in
> > combination with other statements such as
> > goto/continue/break/return/exceptions/destructors.
> > Michael
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