mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-04-16 05:41:45 +00:00
70b63374f2
A vector extract followed by a dup can become a single instruction even if the types don't match. AArch64 handled this in ISelLowering, but a few reasonably simple patterns can take care of it in TableGen, so that's where I've put it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206573 91177308-0d34-0410-b5e6-96231b3b80d8
Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for the Low Level Virtual Machine, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you're writing a package for LLVM, see docs/Packaging.rst for our suggestions.