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In the case where there was a conditional branch followed by a unconditional branch with debug instruction separating them, MipsInstrInfo::analyzeBranch would not skip past debug instruction when searching for the second branch which give erroneous results about the control flow of the block. This could lead to the branch folder to merge the non-fall through case into it's predecessor, leaving the conditional branch with a dangling basic block operand. This resolves PR34975. Thanks to Alexander Richardson for reporting the issue! Reviewers: atanasyan Differential Revision: https://reviews.llvm.org/D39003 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316084 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.