https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/126378
None
>From f36d21e31c863829cfe49ac21093795500733e64 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Sat, 8 Feb 2025 00:53:38 -0800
Subject: [PATCH] [Analysis] Avoid repeated hash lookups (NFC)
---
clang/lib/Analysis/UninitializedValues.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/clang/lib/Analysis/UninitializedValues.cpp
b/clang/lib/Analysis/UninitializedValues.cpp
index bf2f7306186507e..3a052eb27a444f4 100644
--- a/clang/lib/Analysis/UninitializedValues.cpp
+++ b/clang/lib/Analysis/UninitializedValues.cpp
@@ -379,8 +379,10 @@ void ClassifyRefs::classify(const Expr *E, Class C) {
}
FindVarResult Var = findVar(E, DC);
- if (const DeclRefExpr *DRE = Var.getDeclRefExpr())
- Classification[DRE] = std::max(Classification[DRE], C);
+ if (const DeclRefExpr *DRE = Var.getDeclRefExpr()) {
+ auto &Class = Classification[DRE];
+ Class = std::max(Class, C);
+ }
}
void ClassifyRefs::VisitDeclStmt(DeclStmt *DS) {
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