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README.md

Reconciling High-level Optimizations and Low-level Code in LLVM

This is the implementation of OOPSLA'18 LLVM memory model.

You can clone corresponding Clang branches from https://github.com/snu-sf/clang-twin.

Branch name Clang branch name Description
base base Baseline (LLVM 6.0, official release)
nointptrfold base (base +) No inttoptr(ptrtoint p)-> p fold
correct base All known unsound optimizations disabled
psub psub (correct +) Add 'psub' intrinsics
optimized psub (psub +) Sound optimizations added (GVN, ..)
i8canon psub (optimized +) Add i64->i8* canonicalization
pass to support SLP vectorization

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.

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LLVM implementation of OOSPLA'18 Reconciling High-level Optimizations and Low-level Code in LLVM

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