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57418d8f54
LazyCallGraph analysis framework. Wire it up all the way through the opt driver and add some very basic testing that we can build pass pipelines including these components. Still a lot more to do in terms of testing that all of this works, but the basic pieces are here. There is a *lot* of boiler plate here. It's something I'm going to actively look at reducing, but I don't have any immediate ideas that don't end up making the code terribly complex in order to fold away the boilerplate. Until I figure out something to minimize the boilerplate, almost all of this is based on the code for the existing pass managers, copied and heavily adjusted to suit the needs of the CGSCC pass management layer. The actual CG management still has a bunch of FIXMEs in it. Notably, we don't do *any* updating of the CG as it is potentially invalidated. I wanted to get this in place to motivate the new analysis, and add update APIs to the analysis and the pass management layers in concert to make sure that the *right* APIs are present. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206745 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| README.txt | ||
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.