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isSafeToSpeculativelyExecute can optionally take a DataLayout pointer. In the past, this was mainly used to make better decisions regarding divisions known not to trap, and so was not all that important for users concerned with "cheap" instructions. However, now it also helps look through bitcasts for dereferencable loads, and will also be important if/when we add a dereferencable pointer attribute. This is some initial work to feed a DataLayout pointer through to callers of isSafeToSpeculativelyExecute, generally where one was already available. llvm-svn: 212720 |
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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.