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This is similar to D18133 where we allowed profile weights on select instructions. This extends that change to also allow the 'unpredictable' attribute of branches to apply to selects. A test to check that 'unpredictable' metadata is preserved when cloning instructions was checked in at: http://reviews.llvm.org/rL263648 Differential Revision: http://reviews.llvm.org/D18220 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263716 91177308-0d34-0410-b5e6-96231b3b80d8
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.