[BOLT] Rename BF::isParentFragment -> isChildOf

`isChildOf` is a more concise name for the check. Also, there's no need to
test if the function is a fragment before doing `isChildOf` check.

Reviewed By: #bolt, rafauler, maksfb

Differential Revision: https://reviews.llvm.org/D142667

1 files changed, 3 insertions, 3 deletions

diff --git a/bolt/include/bolt/Core/BinaryFunction.h b/bolt/include/bolt/Core/BinaryFunction.h
index 1ee333bc1226..fd243a4f9fa8 100644
--- a/bolt/include/bolt/Core/BinaryFunction.h
+++ b/bolt/include/bolt/Core/BinaryFunction.h
@@ -1826,9 +1826,9 @@ public:
   /// Return true if the function is a secondary fragment of another function.
   bool isFragment() const { return IsFragment; }
 
-  /// Returns if the given function is a parent fragment of this function.
-  bool isParentFragment(BinaryFunction *Parent) const {
-    return ParentFragments.count(Parent);
+  /// Returns if this function is a child of \p Other function.
+  bool isChildOf(const BinaryFunction &Other) const {
+    return llvm::is_contained(ParentFragments, &Other);
   }
 
   /// Set the profile data for the number of times the function was called.