forked from OSchip/llvm-project
e5e8ce64de
Fixes PR20523. When spilling variables onto the stack, spillVirtReg() is setting the parent pointer of the cloned DBG_VALUE intrinsic for the stack location to the parent pointer of the original intrinsic. MachineInstr parent pointers should however always point to the parent basic block. MBB is shadowing the MBB member variable. The instruction still ends up being inserted into the right basic block, because it's inserted after MI which serves as the iterator. I failed at constructing a reliable testcase for this, see http://llvm.org/bugs/show_bug.cgi?id=20523 for a large testcases. llvm-svn: 217260 |
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README.txt
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.