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

[Amir Ayupov via llvm-commits]

================
@@ -365,6 +397,72 @@ void printCFGFlowConservationStats(raw_ostream &OS,
   }
 }
 
+void printExceptionHandlingStats(const BinaryContext &BC, raw_ostream &OS,
+                                 iterator_range<function_iterator> &Functions) {
+  std::vector<double> LPCountFractionsOfTotalBBEC;
+  std::vector<double> LPCountFractionsOfTotalInvokeEC;
+  for (const BinaryFunction *Function : Functions) {
+    size_t LPECSum = 0;
+    size_t BBECSum = 0;
+    size_t InvokeECSum = 0;
+    for (BinaryBasicBlock &BB : *Function) {
+      const size_t BBEC = BB.getKnownExecutionCount();
+      BBECSum += BBEC;
+      if (BB.isLandingPad())
+        LPECSum += BBEC;
+      for (const MCInst &Inst : BB) {
+        if (!BC.MIB->isCall(Inst))
+          continue;
+        if (BC.MIB->isInvoke(Inst)) {
+          const std::optional<MCPlus::MCLandingPad> EHInfo =
+              BC.MIB->getEHInfo(Inst);
+          if (EHInfo->first)
+            InvokeECSum += BBEC;
+        }
----------------
aaupov wrote:

Invoke must be a call:
```suggestion
        if (!BC.MIB->isInvoke(Inst))
          continue;
        const std::optional<MCPlus::MCLandingPad> EHInfo =
            BC.MIB->getEHInfo(Inst);
        if (EHInfo->first)
          InvokeECSum += BBEC;
```

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