[llvm] fc6fd6a - [NFC][Cloning] Clean up comments in CloneFunctionInto (#129153)

[via llvm-commits]

Author: Artem Pianykh
Date: 2025-03-15T19:28:23Z
New Revision: fc6fd6a2f119c4d2666e0cb499c59068f39944e2

URL: https://github.com/llvm/llvm-project/commit/fc6fd6a2f119c4d2666e0cb499c59068f39944e2
DIFF: https://github.com/llvm/llvm-project/commit/fc6fd6a2f119c4d2666e0cb499c59068f39944e2.diff

LOG: [NFC][Cloning] Clean up comments in CloneFunctionInto (#129153)


Summary:
Some comments no longer make sense nor refer to an existing code path.

Test Plan:
ninja check-llvm-unit

Added: 
    

Modified: 
    llvm/lib/Transforms/Utils/CloneFunction.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp
index 3ccb53236c026..cde1ce8b43dbd 100644
--- a/llvm/lib/Transforms/Utils/CloneFunction.cpp
+++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp
@@ -266,24 +266,13 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
   if (OldFunc->isDeclaration())
     return;
 
-  // When we remap instructions within the same module, we want to avoid
-  // duplicating inlined DISubprograms, so record all subprograms we find as we
-  // duplicate instructions and then freeze them in the MD map. We also record
-  // information about dbg.value and dbg.declare to avoid duplicating the
-  // types.
   DebugInfoFinder DIFinder;
 
-  // Track the subprogram attachment that needs to be cloned to fine-tune the
-  // mapping within the same module.
   if (Changes < CloneFunctionChangeType::DifferentModule) {
-    // Need to find subprograms, types, and compile units.
-
     assert((NewFunc->getParent() == nullptr ||
             NewFunc->getParent() == OldFunc->getParent()) &&
            "Expected NewFunc to have the same parent, or no parent");
   } else {
-    // Need to find all the compile units.
-
     assert((NewFunc->getParent() == nullptr ||
             NewFunc->getParent() != OldFunc->getParent()) &&
            "Expected NewFunc to have 
diff erent parents, or no parent");