mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-24 08:33:39 +00:00
1b9706b8c6
In the case we optimize an integer extend away and replace it directly with the source register, we also have to clear all kill flags at all its uses. This is necessary, because the orignal IR instruction might be trivially dead, but we replaced it with a nop at MI level. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221628 91177308-0d34-0410-b5e6-96231b3b80d8
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.