[compiler-rt] [llvm] [PGO] Add option to always instrumenting loop entries (PR #116789)

[Christian Ulmann via llvm-commits]

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@@ -123,6 +123,8 @@ class InstrProfReader {
 
   virtual bool instrEntryBBEnabled() const = 0;
 
+  virtual bool instrLoopEntriesEnabled() const = 0;
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Dinistro wrote:

I think it would be sensible to add a comment to this function, even when it's somewhat trivial.

https://github.com/llvm/llvm-project/pull/116789