[Transforms] Use *Set::insert_range (NFC) (#132652)

We can use *Set::insert_range to collapse:

  for (auto Elem : Range)
    Set.insert(E);

down to:

  Set.insert_range(Range);

In some cases, we can further fold that into the set declaration.

1 files changed, 1 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp
index b411d4c..e585857 100644
--- a/llvm/lib/Transforms/Utils/CloneFunction.cpp
+++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp
@@ -313,9 +313,7 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
   auto *NewModule = NewFunc->getParent();
   auto *NMD = NewModule->getOrInsertNamedMetadata("llvm.dbg.cu");
   // Avoid multiple insertions of the same DICompileUnit to NMD.
-  SmallPtrSet<const void *, 8> Visited;
-  for (auto *Operand : NMD->operands())
-    Visited.insert(Operand);
+  SmallPtrSet<const void *, 8> Visited(llvm::from_range, NMD->operands());
 
   // Collect and clone all the compile units referenced from the instructions in
   // the function (e.g. as instructions' scope).