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NVVMIntrRange adds !range metadata to calls of NVVM intrinsics that return values within known limited range. This allows LLVM to generate optimal code for indexing arrays based on tid/ctaid which is a frequently used pattern in CUDA code. Differential Revision: http://reviews.llvm.org/D20644 llvm-svn: 270872
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.