https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/112071
None
>From 72511061e8a3691e0656ce8d0f69f489313eb609 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Fri, 11 Oct 2024 09:06:55 -0700
Subject: [PATCH] [Sema] Avoid repeated hash lookups (NFC)
---
clang/lib/Sema/SemaTemplateDeduction.cpp | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp
b/clang/lib/Sema/SemaTemplateDeduction.cpp
index aa62cfa7dcbd17..7cfb8d687c796a 100644
--- a/clang/lib/Sema/SemaTemplateDeduction.cpp
+++ b/clang/lib/Sema/SemaTemplateDeduction.cpp
@@ -4057,11 +4057,10 @@ TemplateDeductionResult
Sema::FinishTemplateArgumentDeduction(
// keep track of these diagnostics. They'll be emitted if this specialization
// is actually used.
if (Info.diag_begin() != Info.diag_end()) {
- SuppressedDiagnosticsMap::iterator
- Pos = SuppressedDiagnostics.find(Specialization->getCanonicalDecl());
- if (Pos == SuppressedDiagnostics.end())
- SuppressedDiagnostics[Specialization->getCanonicalDecl()]
- .append(Info.diag_begin(), Info.diag_end());
+ auto [Pos, Inserted] =
+ SuppressedDiagnostics.try_emplace(Specialization->getCanonicalDecl());
+ if (Inserted)
+ Pos->second.append(Info.diag_begin(), Info.diag_end());
}
return TemplateDeductionResult::Success;
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