d469133f95
When evaluating a store through a bitcast, the evaluator tries to move the bitcast from the pointer onto the stored value. If the cast is invalid, it tries to "introspect" the type to get a valid cast by obtaining a pointer to the initial element (if the type is nested, this may require walking several initial elements). In some situations it is possible to get a bitcast on a load (e.g. with unions, where the bitcast may not be the same type as the store). However, equivalent logic to the store to introspect the type is missing. This patch add this logic. Note, when developing the patch I was unhappy with adding similar logic directly to the load case as it could get out of step. Instead, I have abstracted the "introspection" into a helper function, with the specifics being handled by a passed-in lambda function. Differential Revision: https://reviews.llvm.org/D60793 llvm-svn: 359205 |
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README.txt
The LLVM Compiler Infrastructure ================================ 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.