https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/108674
None
>From acf638ae7482e69dbdc276d55f82a08885305e2a Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Fri, 13 Sep 2024 09:47:36 -0700
Subject: [PATCH] [Analysis] Avoid repeated hash lookups (NFC)
---
.../clang/Analysis/Analyses/ExprMutationAnalyzer.h | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/clang/include/clang/Analysis/Analyses/ExprMutationAnalyzer.h
b/clang/include/clang/Analysis/Analyses/ExprMutationAnalyzer.h
index 117173ba9a0958..b7b84852168e2e 100644
--- a/clang/include/clang/Analysis/Analyses/ExprMutationAnalyzer.h
+++ b/clang/include/clang/Analysis/Analyses/ExprMutationAnalyzer.h
@@ -118,14 +118,10 @@ class FunctionParmMutationAnalyzer {
static FunctionParmMutationAnalyzer *
getFunctionParmMutationAnalyzer(const FunctionDecl &Func, ASTContext
&Context,
ExprMutationAnalyzer::Memoized &Memorized) {
- auto it = Memorized.FuncParmAnalyzer.find(&Func);
- if (it == Memorized.FuncParmAnalyzer.end())
- it =
- Memorized.FuncParmAnalyzer
- .try_emplace(&Func,
std::unique_ptr<FunctionParmMutationAnalyzer>(
- new FunctionParmMutationAnalyzer(
- Func, Context, Memorized)))
- .first;
+ auto [it, Inserted] = Memorized.FuncParmAnalyzer.try_emplace(&Func);
+ if (Inserted)
+ it->second = std::unique_ptr<FunctionParmMutationAnalyzer>(
+ new FunctionParmMutationAnalyzer(Func, Context, Memorized));
return it->getSecond().get();
}
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