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The Swift symbol name prefix has changed from `_T0` to `_$s` as documented here [1]. This prevents Swift names from properly being symbolicated when using the in-process LLVM symbolizer. The best way to fix this seems to be to avoid the duplication of "Is this a Swift symbol name?" here. We can simply remove this check as `swift_demangle` already returns null for non-Swift names [2,3]. The check was included in the initial support for Swift name demangling to avoid superfluous calls to `dlsym()` [4]. A subsequent commit changed this logic to retrieve the `swift_demangle` function pointer eagerly during sanitizer initialization, but did not remove the check [5]. [1] https://github.com/apple/swift/blob/master/docs/ABI/Mangling.rst [2]b5a8b518ea/include/swift/Demangling/Demangle.h (L643)[3]b5a8b518ea/stdlib/public/runtime/Demangle.cpp (L656)[4] https://reviews.llvm.org/D19135 [5] https://reviews.llvm.org/D20015 rdar://62753845 Reviewers: kubamracek, delcypher, dcoughlin, samsonov, thakis Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D81705
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================