[llvm] [BOLT]Improve profile quality reporting (PR #130810)

[via llvm-commits]

================
@@ -365,6 +396,74 @@ void printCFGFlowConservationStats(raw_ostream &OS,
   }
 }
 
+void printExceptionHandlingStats(const BinaryContext &BC, raw_ostream &OS,
----------------
ShatianWang wrote:

There are two things that are collected for each binary function
1) Sum of execution counts on landing pads / sum of execution counts on all basic blocks (including landing pads)
2) Sum of execution counts on landing pads / sum of call counts for all call instructions in the function that have a landing pad

https://github.com/llvm/llvm-project/pull/130810