https://github.com/kazutakahirata created
https://github.com/llvm/llvm-project/pull/127302
None
>From 967667bb296058fedcacca9c40bf5e6113ec5345 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Fri, 14 Feb 2025 02:45:58 -0800
Subject: [PATCH] [clang-offload-packager] Avoid repeated hash lookups (NFC)
---
.../tools/clang-offload-packager/ClangOffloadPackager.cpp | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/clang/tools/clang-offload-packager/ClangOffloadPackager.cpp
b/clang/tools/clang-offload-packager/ClangOffloadPackager.cpp
index c6d5b31ab512c..49cb0d70f492b 100644
--- a/clang/tools/clang-offload-packager/ClangOffloadPackager.cpp
+++ b/clang/tools/clang-offload-packager/ClangOffloadPackager.cpp
@@ -70,10 +70,9 @@ static DenseMap<StringRef, StringRef>
getImageArguments(StringRef Image,
DenseMap<StringRef, StringRef> Args;
for (StringRef Arg : llvm::split(Image, ",")) {
auto [Key, Value] = Arg.split("=");
- if (Args.count(Key))
- Args[Key] = Saver.save(Args[Key] + "," + Value);
- else
- Args[Key] = Value;
+ auto [It, Inserted] = Args.try_emplace(Key, Value);
+ if (!Inserted)
+ It->second = Saver.save(It->second + "," + Value);
}
return Args;
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