[llvm] [MemProf] Print full context hash when reporting hinted bytes (PR #114465)

[Snehasish Kumar via llvm-commits]

================
@@ -2824,13 +2842,17 @@ void CallsiteContextGraph<DerivedCCG, FuncTy, CallTy>::printTotalSizes(
     std::vector<uint32_t> SortedIds(ContextIds.begin(), ContextIds.end());
     std::sort(SortedIds.begin(), SortedIds.end());
     for (auto Id : SortedIds) {
-      auto SizeI = ContextIdToTotalSize.find(Id);
-      assert(SizeI != ContextIdToTotalSize.end());
       auto TypeI = ContextIdToAllocationType.find(Id);
       assert(TypeI != ContextIdToAllocationType.end());
-      OS << getAllocTypeString((uint8_t)TypeI->second) << " context " << Id
-         << " with total size " << SizeI->second << " is "
-         << getAllocTypeString(Node->AllocTypes) << " after cloning\n";
+      auto CSI = ContextIdToContextSizeInfos.find(Id);
+      if (CSI != ContextIdToContextSizeInfos.end()) {
+        for (auto &Info : CSI->second) {
+          OS << getAllocTypeString((uint8_t)TypeI->second)
----------------
snehasish wrote:

Add a "MemProf hinting" or related prefix to make this easy to parse from the log later.

https://github.com/llvm/llvm-project/pull/114465