[llvm] [ThinLTO] Add tail call flag to call edges in summary (PR #74043)

[Snehasish Kumar via llvm-commits]

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@@ -1117,6 +1117,21 @@ static GlobalVarSummary::GVarFlags getDecodedGVarFlags(uint64_t RawFlags) {
       (GlobalObject::VCallVisibility)(RawFlags >> 3));
 }
 
+static void getDecodedHotnessCallEdgeInfo(uint64_t RawFlags,
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snehasish wrote:

nit: Prefer to return the Hotness and TailCall attribute as a tiny struct or a pair instead of using references.

https://github.com/llvm/llvm-project/pull/74043