[PATCH] D101444: [demangler] Initial support for the new Rust mangling scheme

[Tomasz Miąsko via Phabricator via llvm-commits]

tmiasko created this revision.
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Add a demangling support for a small subset of a new Rust mangling
scheme, with complete support planned as a follow up work.

Intergate Rust demangling into llvm-cxxfilt and use llvm-cxxfilt for
end-to-end testing. The new Rust mangling scheme uses "_R" as a prefix,
which makes it easy to disambiguate it from other mangling schemes.

The public API is modeled after __cxa_demangle / llvm::itaniumDemangle,
since potential candidates for further integration use those.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D101444

Files:
  llvm/include/llvm/Demangle/Demangle.h
  llvm/include/llvm/Demangle/RustDemangle.h
  llvm/lib/Demangle/CMakeLists.txt
  llvm/lib/Demangle/RustDemangle.cpp
  llvm/test/Demangle/rust.test
  llvm/tools/llvm-cxxfilt/llvm-cxxfilt.cpp
  llvm/unittests/Demangle/CMakeLists.txt
  llvm/unittests/Demangle/RustDemangleTest.cpp

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