[clang] 13546c2 - [CodeGen] Avoid repeated hash lookups (NFC) (#107736)

[via cfe-commits]

Author: Kazu Hirata
Date: 2024-09-08T01:26:24-07:00
New Revision: 13546c284fc31fa5543b07941e864b9b0aaa8638

URL: https://github.com/llvm/llvm-project/commit/13546c284fc31fa5543b07941e864b9b0aaa8638
DIFF: https://github.com/llvm/llvm-project/commit/13546c284fc31fa5543b07941e864b9b0aaa8638.diff

LOG: [CodeGen] Avoid repeated hash lookups (NFC) (#107736)

Added: 
    

Modified: 
    clang/lib/CodeGen/CodeGenFunction.h

Removed: 
    


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diff  --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 368fc112187ffc..9b93e9673ec5f8 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -1143,17 +1143,11 @@ class CodeGenFunction : public CodeGenTypeCache {
     /// Copy all the entries in the source map over the corresponding
     /// entries in the destination, which must exist.
     static void copyInto(const DeclMapTy &Src, DeclMapTy &Dest) {
-      for (auto &Pair : Src) {
-        if (!Pair.second.isValid()) {
-          Dest.erase(Pair.first);
-          continue;
-        }
-
-        auto I = Dest.find(Pair.first);
-        if (I != Dest.end())
-          I->second = Pair.second;
+      for (auto &[Decl, Addr] : Src) {
+        if (!Addr.isValid())
+          Dest.erase(Decl);
         else
-          Dest.insert(Pair);
+          Dest.insert_or_assign(Decl, Addr);
       }
     }
   };