[llvm] 67d92cf - [ExecutionEngine] Avoid repeated hash lookups (NFC) (#128827)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-02-26T00:56:26-08:00
New Revision: 67d92cf3841660e9ba58a02223b7801e74db1051

URL: https://github.com/llvm/llvm-project/commit/67d92cf3841660e9ba58a02223b7801e74db1051
DIFF: https://github.com/llvm/llvm-project/commit/67d92cf3841660e9ba58a02223b7801e74db1051.diff

LOG: [ExecutionEngine] Avoid repeated hash lookups (NFC) (#128827)

Added: 
    

Modified: 
    llvm/lib/ExecutionEngine/Orc/COFFPlatform.cpp

Removed: 
    


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diff  --git a/llvm/lib/ExecutionEngine/Orc/COFFPlatform.cpp b/llvm/lib/ExecutionEngine/Orc/COFFPlatform.cpp
index 17f4c3c741141..9ff12b201a988 100644
--- a/llvm/lib/ExecutionEngine/Orc/COFFPlatform.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/COFFPlatform.cpp
@@ -484,10 +484,8 @@ COFFPlatform::buildJDDepMap(JITDylib &JD) {
           }
           DM.push_back(KV.first);
           // Push unvisited entry.
-          if (!JDDepMap.count(KV.first)) {
+          if (JDDepMap.try_emplace(KV.first).second)
             Worklist.push_back(KV.first);
-            JDDepMap[KV.first] = {};
-          }
         }
       });
     }