[llvm] [BasicBlockSections] Apply path cloning with -basic-block-sections. (PR #68860)

[Sriraman Tallam via llvm-commits]

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@@ -285,6 +314,130 @@ static bool hasInstrProfHashMismatch(MachineFunction &MF) {
   return false;
 }
 
+// Returns if we can legally apply all clonings specified in `ClonePaths`.
+static bool
+IsValidCloning(const MachineFunction &MF,
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tmsri wrote:

Please describe the parameters

https://github.com/llvm/llvm-project/pull/68860