forked from OSchip/llvm-project
eac81b2448
If a multiply is truncated, SimplifyDemandedBits sometimes turns a zero_extend of the inputs into an any_extend, which makes the known bits computation unhelpful. Ignore these and compute known bits for the underlying value, since we insert the correct extend type after. llvm-svn: 331919 |
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README.txt
Low Level Virtual Machine (LLVM) ================================ 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.