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fc5add24fb
This bug shows up with diamonds that share unpredicable, unanalyzable branches. There's an included test case from Hexagon. What was happening was that we were attempting to predicate the branch instruction despite the fact that it was checked to be the same. Now for unanalyzable branches we skip over the branch instructions when predicating the block. Differential Revision: https://reviews.llvm.org/D23939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279985 91177308-0d34-0410-b5e6-96231b3b80d8
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.