[PATCH] D128142: [MemProf] Memprof profile matching and annotation

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added inline comments.


================
Comment at: llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp:1247
+                                uint32_t Column) {
+  return hash_combine(Function, LineOffset, Column);
+}
----------------
MaskRay wrote:
> You may use BLAKE3 instead of MD5. BLAKE3 is much faster than LLVM's slow MD5 implementation.
llvm/include/llvm/Support/xxhash.h is also a good choice.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D128142/new/

https://reviews.llvm.org/D128142