https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/109373
None
>From 68677c82b0c2d437be7926288249a043e5325ffe Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Thu, 19 Sep 2024 09:37:59 -0700
Subject: [PATCH] [clang-tidy] Avoid repeated hash lookups (NFC)
---
.../clang-tidy/ExpandModularHeadersPPCallbacks.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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.
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