[clang-tools-extra] c498af7 - [clang-tidy] Avoid repeated hash lookups (NFC) (#109373)

[via cfe-commits]

Author: Kazu Hirata
Date: 2024-09-20T07:59:08-07:00
New Revision: c498af71d73e96e95730f3b3caaea08d3edbe62c

URL: https://github.com/llvm/llvm-project/commit/c498af71d73e96e95730f3b3caaea08d3edbe62c
DIFF: https://github.com/llvm/llvm-project/commit/c498af71d73e96e95730f3b3caaea08d3edbe62c.diff

LOG: [clang-tidy] Avoid repeated hash lookups (NFC) (#109373)

Added: 
    

Modified: 
    clang-tools-extra/clang-tidy/ExpandModularHeadersPPCallbacks.cpp

Removed: 
    


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diff  --git a/clang-tools-extra/clang-tidy/ExpandModularHeadersPPCallbacks.cpp b/clang-tools-extra/clang-tidy/ExpandModularHeadersPPCallbacks.cpp
index 5e2cc207560d33..fef086c5a99d86 100644
--- a/clang-tools-extra/clang-tidy/ExpandModularHeadersPPCallbacks.cpp
+++ b/clang-tools-extra/clang-tidy/ExpandModularHeadersPPCallbacks.cpp
@@ -116,9 +116,8 @@ void ExpandModularHeadersPPCallbacks::handleModuleFile(
   if (!MF)
     return;
   // Avoid processing a ModuleFile more than once.
-  if (VisitedModules.count(MF))
+  if (!VisitedModules.insert(MF).second)
     return;
-  VisitedModules.insert(MF);
 
   // Visit all the input files of this module and mark them to record their
   // contents later.