forked from OSchip/llvm-project
fa1c0fe478
I noticed that we weren't generating broadcasts as much I thought we would with D54271, and this is part of the problem. Widening the shuffle elements means adding bitcasts and hiding the relationship between a splatted scalar and the vector. If we can form a broadcast, do that before going through the rest of the shuffle lowering because broadcasts should be cheap and can often be load-folded. Differential Revision: https://reviews.llvm.org/D54280 llvm-svn: 346498 |
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README.txt
The LLVM Compiler Infrastructure ================================ This directory and its subdirectories contain source code for LLVM, 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 are writing a package for LLVM, see docs/Packaging.rst for our suggestions.