[llvm] [MemProf] Refactor and clean up edge removal (PR #109188)

[Snehasish Kumar via llvm-commits]

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@@ -417,6 +417,29 @@ class CallsiteContextGraph {
 
     DenseSet<uint32_t> &getContextIds() { return ContextIds; }
 
+    // Helper to clear the fields of this edge when we are removing it from the
+    // graph.
+    void clear() {
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snehasish wrote:

Mark these small functions as inline?

https://github.com/llvm/llvm-project/pull/109188