[llvm] [OptBisect] Remove an unused method declaration. NFC (PR #71145)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Igor Kudrin (igorkudrin)

<details>
<summary>Changes</summary>

The body of `OptBisect::checkPass()` was moved to `OptBisect::shouldRunPass()` in [D137149](https://reviews.llvm.org/D137149).

---
Full diff: https://github.com/llvm/llvm-project/pull/71145.diff


1 Files Affected:

- (modified) llvm/include/llvm/IR/OptBisect.h (+8-14) 


``````````diff
diff --git a/llvm/include/llvm/IR/OptBisect.h b/llvm/include/llvm/IR/OptBisect.h
index 2987e5ad90c4d3c..507d415d5e112bb 100644
--- a/llvm/include/llvm/IR/OptBisect.h
+++ b/llvm/include/llvm/IR/OptBisect.h
@@ -53,7 +53,14 @@ class OptBisect : public OptPassGate {
 
   /// Checks the bisect limit to determine if the specified pass should run.
   ///
-  /// This forwards to checkPass().
+  /// The method prints the name of the pass, its assigned bisect number, and
+  /// whether or not the pass will be executed. It returns true if the pass
+  /// should run, i.e. if the bisect limit is set to -1 or has not yet been
+  /// exceeded.
+  ///
+  /// Most passes should not call this routine directly. Instead, it is called
+  /// through helper routines provided by the base classes of the pass. For
+  /// instance, function passes should call FunctionPass::skipFunction().
   bool shouldRunPass(const StringRef PassName,
                      StringRef IRDescription) override;
 
@@ -67,19 +74,6 @@ class OptBisect : public OptPassGate {
     LastBisectNum = 0;
   }
 
-  /// Checks the bisect limit to determine if the specified pass should run.
-  ///
-  /// If the bisect limit is set to -1, the function prints a message describing
-  /// the pass and the bisect number assigned to it and return true.  Otherwise,
-  /// the function prints a message with the bisect number assigned to the
-  /// pass and indicating whether or not the pass will be run and return true if
-  /// the bisect limit has not yet been exceeded or false if it has.
-  ///
-  /// Most passes should not call this routine directly. Instead, they are
-  /// called through helper routines provided by the pass base classes.  For
-  /// instance, function passes should call FunctionPass::skipFunction().
-  bool checkPass(const StringRef PassName, const StringRef TargetDesc);
-
   static const int Disabled = std::numeric_limits<int>::max();
 
 private:

``````````

</details>


https://github.com/llvm/llvm-project/pull/71145