[PATCH] D125904: [Cuda] Use fallback method to mangle externalized decls if no CUID given

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 updated this revision to Diff 431666.
jhuber6 added a comment.

Removing use of the line number, instead replacing it with an 8 character wide hash of the `-D` options passed to the front-end. This should make it sufficiently unique for users compiling the same file with different options. The format now looks like `<var>__<qualifier>__<file-id><device-id>_<hash>`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125904/new/

https://reviews.llvm.org/D125904

Files:
  clang/lib/CodeGen/CGCUDANV.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/CodeGen/CodeGenModule.h
  clang/test/CodeGenCUDA/device-fun-linkage.cu
  clang/test/CodeGenCUDA/static-device-var-rdc.cu

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