[PATCH] D129301: [clang-offload-bundler][NFC] Library-ize ClangOffloadBundler (1/4)

[Jacob Lambert via Phabricator via cfe-commits]

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Lifting the core functionalities of the clang-offload-bundler into a
user-facing library/API. This will allow online and JIT compilers to
bundle and unbundle files without spawning a new process.

This NFC patch (1/4) lifts the classes and functions used to
implement the clang-offload-bundler into a separate
OffloadBundler.cpp, and defines three top-level API functions in
OfflaodBundler.h

  BundleFiles()
  UnbundleFiles()
  UnbundleArchives()

In successive patches, we aim to:

1. Refactor global command-line option variables (cl::opt, cl::list, cl::bool, etc.) out of the API and into a Config class that can be passed as a local argument.
2. Refactor dependence on the bundler executable path into an optional parameter
3. Move OffloadBundler.cpp and OffloadBundler.h into clang/lib/Driver and clang/include/clang/Driver


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129301

Files:
  clang/tools/clang-offload-bundler/CMakeLists.txt
  clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
  clang/tools/clang-offload-bundler/OffloadBundler.cpp
  clang/tools/clang-offload-bundler/OffloadBundler.h

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