[llvm] [MemProf] Disable alloc context in combined summary for ndebug builds (PR #139161)

[Teresa Johnson via llvm-commits]

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@@ -99,6 +99,22 @@ static cl::opt<bool> WriteRelBFToSummary(
     "write-relbf-to-summary", cl::Hidden, cl::init(false),
     cl::desc("Write relative block frequency to function summary "));
 
+// Since we only use the context information in the memprof summary records in
+// the LTO backends to do assertion checking, save time and space by only
+// serializing the context for non-NDEBUG builds.
+// TODO: Currently this controls writing context of the allocation info records,
+// which are larger and more expensive, but we should do this for the callsite
+// records as well.
+// FIXME: Convert to a const once this has undergone more sigificant testing.
+static cl::opt<bool>
+    CombinedIndexMemProfContext("combined-index-memprof-context", cl::Hidden,
+#ifndef NDEBUG
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teresajohnson wrote:

done

https://github.com/llvm/llvm-project/pull/139161