There are two things that make running MLIR tests with ASan on a mac tedious: 1. The `DYLD_INSERT_LIBRARIES` environment variable needs to be set to point to `libclang_rt.asan_osx_dynamic.dylib` 2. Mac is wrapping Python, which means that the `DYLD_INSERT_LIBRARIES` environment variable is not being respected in the Python tests. The solution is to find and use a non-wrapped Python binary. With the above two changes, ASan works out of the box on mac's by setting the `-DLLVM_USE_SANITIZER=Address` cmake flag. I have stolen most of the code in this PR from other LLVM projects. It may be a good idea to reconcile it somewhere.
The LLVM Compiler Infrastructure
Welcome to the LLVM project!
This repository contains the source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and run-time environments.
The LLVM project has multiple components. The core of the project is itself called "LLVM". This contains all of the tools, libraries, and header files needed to process intermediate representations and convert them into object files. Tools include an assembler, disassembler, bitcode analyzer, and bitcode optimizer.
C-like languages use the Clang frontend. This component compiles C, C++, Objective-C, and Objective-C++ code into LLVM bitcode -- and from there into object files, using LLVM.
Other components include: the libc++ C++ standard library, the LLD linker, and more.
Getting the Source Code and Building LLVM
Consult the Getting Started with LLVM page for information on building and running LLVM.
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