[clang-tools-extra] 77c842f - [clang-apply-replacements] Avoid repeated hash lookups (NFC) (#111783)

[via cfe-commits]

Author: Kazu Hirata
Date: 2024-10-10T08:15:48-07:00
New Revision: 77c842f44cc06951975fd4a85761e0bc830d185a

URL: https://github.com/llvm/llvm-project/commit/77c842f44cc06951975fd4a85761e0bc830d185a
DIFF: https://github.com/llvm/llvm-project/commit/77c842f44cc06951975fd4a85761e0bc830d185a.diff

LOG: [clang-apply-replacements] Avoid repeated hash lookups (NFC) (#111783)

Added: 
    

Modified: 
    clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp

Removed: 
    


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diff  --git a/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp b/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
index 9e0da82dfd3806..b895075e4f31cc 100644
--- a/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
+++ b/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
@@ -148,11 +148,8 @@ groupReplacements(const TUReplacements &TUs, const TUDiagnostics &TUDs,
 
     if (auto Entry = SM.getFileManager().getOptionalFileRef(Path)) {
       if (SourceTU) {
-        auto &Replaces = DiagReplacements[*Entry];
-        auto It = Replaces.find(R);
-        if (It == Replaces.end())
-          Replaces.emplace(R, SourceTU);
-        else if (It->second != SourceTU)
+        auto [It, Inserted] = DiagReplacements[*Entry].try_emplace(R, SourceTU);
+        if (!Inserted && It->second != SourceTU)
           // This replacement is a duplicate of one suggested by another TU.
           return;
       }