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Summary: The inliner not being a function pass requires the work-around of generating the OptimizationRemarkEmitter and in turn BFI on demand. This will go away after the new PM is ready. BFI is only computed inside ORE if the user has requested hotness information for optimization diagnostitics (-pass-remark-with-hotness at the 'opt' level). Thus there is no additional overhead without the flag. Reviewers: hfinkel, davidxl, eraman Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D22694 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278185 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.