[llvm] [memprof] Add call stack IDs to IndexedAllocationInfo (PR #85888)

[Kazu Hirata via llvm-commits]

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@@ -117,5 +119,28 @@ Expected<MemProfSchema> readMemProfSchema(const unsigned char *&Buffer) {
   return Result;
 }
 
+CallStackId hashCallStack(ArrayRef<FrameId> CS) {
+  llvm::HashBuilder<llvm::TruncatedBLAKE3<8>, llvm::endianness::little>
+      HashBuilder;
+  for (FrameId F : CS)
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kazutakahirata wrote:

I wasn't thinking about that, but yes, we could move the `FrameID` to also use BLAKE3.

https://github.com/llvm/llvm-project/pull/85888