forked from OSchip/llvm-project
c0ecbfa4fd
An AArch64ISD::DUP is just a splat, where the known bits for each lane are the same as the input. This teaches that to computeKnownBitsForTargetNode. Problems arise for constants though, as a constant BUILD_VECTOR can be lowered to an AArch64ISD::DUP, which SimplifyDemandedBits would then turn back into a constant BUILD_VECTOR leading to an infinite cycle. This has been prevented by adding a isTargetCanonicalConstantNode node to prevent the conversion back into a BUILD_VECTOR. Differential Revision: https://reviews.llvm.org/D128144 |
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| tools | ||
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| RELEASE_TESTERS.TXT | ||
| configure | ||
| llvm.spec.in | ||
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.