https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/108794
None
>From e5a86bbb661aba2d68acff0b28944f523adb490a Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Sun, 15 Sep 2024 01:35:59 -0700
Subject: [PATCH] [Format] Avoid repeated hash lookups (NFC)
---
clang/lib/Format/MacroExpander.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/clang/lib/Format/MacroExpander.cpp
b/clang/lib/Format/MacroExpander.cpp
index 5768ff37fefcda..fd2a16894d643d 100644
--- a/clang/lib/Format/MacroExpander.cpp
+++ b/clang/lib/Format/MacroExpander.cpp
@@ -191,9 +191,10 @@ MacroExpander::expand(FormatToken *ID,
auto expandArgument = [&](FormatToken *Tok) -> bool {
// If the current token references a parameter, expand the corresponding
// argument.
- if (Tok->isNot(tok::identifier) || ExpandedArgs.contains(Tok->TokenText))
+ if (Tok->isNot(tok::identifier))
+ return false;
+ if (!ExpandedArgs.insert(Tok->TokenText).second)
return false;
- ExpandedArgs.insert(Tok->TokenText);
auto I = Def.ArgMap.find(Tok->TokenText);
if (I == Def.ArgMap.end())
return false;
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