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

[Teresa Johnson 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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teresajohnson wrote:

Is the plan to move the FrameId to also use BLAKE3? (Doesn't need to be in this patch, but wondering if we can do that so we get more consistency with the compiler's hashes.

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