forked from OSchip/llvm-project
8aadc643cf
This is a follow up change for D37569. Currently the transformation is limited to the case when: * The loop has a single latch with the condition of the form: ++i <pred> latchLimit, where <pred> is u<, u<=, s<, or s<=. * The step of the IV used in the latch condition is 1. * The IV of the latch condition is the same as the post increment IV of the guard condition. * The guard condition is of the form i u< guardLimit. This patch enables the transform in the case when the latch is latchStart + i <pred> latchLimit, where <pred> is u<, u<=, s<, or s<=. And the guard is guardStart + i u< guardLimit Reviewed By: anna Differential Revision: https://reviews.llvm.org/D39097 llvm-svn: 316768 |
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README.txt
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.