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MergeFunctions uses (through FunctionComparator) a map of GlobalValues to identifiers because it needs to compare functions and globals do not have an inherent total order. Thus, FunctionComparator (through GlobalNumberState) has a ValueMap<GlobalValue *>. r315852 added a RAUW on globals that may have been previously encountered by the FunctionComparator, which would replace a GlobalValue * key with a ConstantExpr *, which is illegal. This commit adjusts that code path to remove the function being replaced from the ValueMap as well. llvm-svn: 316145
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.