[llvm] 93c2eec - IRMover: Switch to SmallPtrSet (#157226)

[via llvm-commits]

Author: Vitaly Buka
Date: 2025-09-07T22:32:37-07:00
New Revision: 93c2eecda521049ca6334830a69fdff54967b440

URL: https://github.com/llvm/llvm-project/commit/93c2eecda521049ca6334830a69fdff54967b440
DIFF: https://github.com/llvm/llvm-project/commit/93c2eecda521049ca6334830a69fdff54967b440.diff

LOG: IRMover: Switch to SmallPtrSet (#157226)

Follow up to #157218.
But I can't measure a difference on
my example.

Added: 
    

Modified: 
    llvm/include/llvm/Linker/IRMover.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/Linker/IRMover.h b/llvm/include/llvm/Linker/IRMover.h
index 2a234d5d28fd8..7ad4771bbbbc5 100644
--- a/llvm/include/llvm/Linker/IRMover.h
+++ b/llvm/include/llvm/Linker/IRMover.h
@@ -13,6 +13,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/FunctionExtras.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Compiler.h"
 #include <functional>
 
@@ -70,7 +71,8 @@ class IRMover {
   using LazyCallback =
       llvm::unique_function<void(GlobalValue &GV, ValueAdder Add)>;
 
-  using NamedMDNodesT = DenseMap<const NamedMDNode *, DenseSet<const MDNode *>>;
+  using NamedMDNodesT =
+      DenseMap<const NamedMDNode *, SmallPtrSet<const MDNode *, 8>>;
 
   /// Move in the provide values in \p ValuesToLink from \p Src.
   ///