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Normally, patterns like (add x, (setcc cc ...)) will be folded into (csel x, x+1, not cc). However, if there is a ZEXT after SETCC, they won't be folded. This patch recognizes the ZEXT and allows the generation of CSINC. This patch fixes bug 19680. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208660 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.