[clang] 4510071 - [Analysis] Avoid repeated hash lookups (NFC) (#126378)

[via cfe-commits]

Author: Kazu Hirata
Date: 2025-02-08T11:35:17-08:00
New Revision: 451007173abaeff7de70d6d7fb0135b7858d093d

URL: https://github.com/llvm/llvm-project/commit/451007173abaeff7de70d6d7fb0135b7858d093d
DIFF: https://github.com/llvm/llvm-project/commit/451007173abaeff7de70d6d7fb0135b7858d093d.diff

LOG: [Analysis] Avoid repeated hash lookups (NFC) (#126378)

Added: 
    

Modified: 
    clang/lib/Analysis/UninitializedValues.cpp

Removed: 
    


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diff  --git a/clang/lib/Analysis/UninitializedValues.cpp b/clang/lib/Analysis/UninitializedValues.cpp
index bf2f7306186507..3a052eb27a444f 100644
--- a/clang/lib/Analysis/UninitializedValues.cpp
+++ b/clang/lib/Analysis/UninitializedValues.cpp
@@ -379,8 +379,10 @@ void ClassifyRefs::classify(const Expr *E, Class C) {
   }
 
   FindVarResult Var = findVar(E, DC);
-  if (const DeclRefExpr *DRE = Var.getDeclRefExpr())
-    Classification[DRE] = std::max(Classification[DRE], C);
+  if (const DeclRefExpr *DRE = Var.getDeclRefExpr()) {
+    auto &Class = Classification[DRE];
+    Class = std::max(Class, C);
+  }
 }
 
 void ClassifyRefs::VisitDeclStmt(DeclStmt *DS) {