[llvm] ddd5741 - [Transforms] Avoid repeated hash lookups (NFC) (#109244)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-09-19T09:15:57-07:00
New Revision: ddd5741521ed50468f06adcacc8ea41256356224

URL: https://github.com/llvm/llvm-project/commit/ddd5741521ed50468f06adcacc8ea41256356224
DIFF: https://github.com/llvm/llvm-project/commit/ddd5741521ed50468f06adcacc8ea41256356224.diff

LOG: [Transforms] Avoid repeated hash lookups (NFC) (#109244)

Added: 
    

Modified: 
    llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h

Removed: 
    


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diff  --git a/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h b/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
index 5132dca7c6a22b..d86630decd3aea 100644
--- a/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
+++ b/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
@@ -859,9 +859,9 @@ bool SampleProfileLoaderBaseImpl<BT>::propagateThroughEdges(
         LLVM_DEBUG(dbgs() << "Set self-referential edge weight to: ";
                    printEdgeWeight(dbgs(), SelfReferentialEdge));
       }
-      if (UpdateBlockCount && !VisitedBlocks.count(EC) && TotalWeight > 0) {
+      if (UpdateBlockCount && TotalWeight > 0 &&
+          VisitedBlocks.insert(EC).second) {
         BlockWeights[EC] = TotalWeight;
-        VisitedBlocks.insert(EC);
         Changed = true;
       }
     }