[llvm-dev] trouble understanding tablegen

Rail Shafigulin via llvm-dev llvm-dev at lists.llvm.org
Wed Oct 7 12:52:12 PDT 2015

I'm somewhat new to LLVM and I'm trying to learn tablegen. I found a
tutorial on how to create a backend for a given target but I can't figure
out how does tablegen do pattern matching.

Here is the specific link to the tutorial.


The image describes how instruction selection occurs but I can't make heads
or tails of it. I'd really appreciate any help on this.

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