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The GenericLLVMIRPlatformSupport class runs a transform on all LLVM IR added to the LLJIT instance to replace instances of llvm.global_ctors with a specially named function that runs the corresponing static initializers (See (GlobalCtorDtorScraper from lib/ExecutionEngine/Orc/LLJIT.cpp). This patch updates the GenericIRPlatform class to check for this specially named function in other materialization units that are added to the JIT and, if found, add the function to the initializer work queue. Doing this allows object files that were compiled from IR and cached to be reloaded in subsequent JIT sessions without their initializers being skipped. To enable testing this patch also updates the lli tool's -jit-kind=orc-lazy mode to respect the -enable-cache-manager and -object-cache-dir options, and modifies the CompileOnDemandLayer to rename extracted submodules to include a hash of the names of their symbol definitions. This allows a simple object caching scheme based on module names (which was already implemented in lli) to work with the lazy JIT. |
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| benchmarks | ||
| bindings | ||
| cmake | ||
| docs | ||
| examples | ||
| include | ||
| lib | ||
| projects | ||
| resources | ||
| runtimes | ||
| test | ||
| tools | ||
| unittests | ||
| utils | ||
| .arcconfig | ||
| .clang-format | ||
| .clang-tidy | ||
| .gitattributes | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| configure | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| README.txt | ||
| RELEASE_TESTERS.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.