https://github.com/ilovepi updated https://github.com/llvm/llvm-project/pull/159199
>From f2768938451155c34f6ef4d41bc8ef21833077e8 Mon Sep 17 00:00:00 2001 From: Paul Kirth <[email protected]> Date: Tue, 16 Sep 2025 09:40:04 -0700 Subject: [PATCH] [llvm][mustache] Avoid extra allocations in parseSection We don't need to have extra allocations when concatenating raw bodies. --- llvm/lib/Support/Mustache.cpp | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Support/Mustache.cpp b/llvm/lib/Support/Mustache.cpp index 529dd3ac761c9..1284f78e8757b 100644 --- a/llvm/lib/Support/Mustache.cpp +++ b/llvm/lib/Support/Mustache.cpp @@ -602,9 +602,16 @@ void Parser::parseSection(ASTNode *Parent, ASTNode::Type Ty, size_t Start = CurrentPtr; parseMustache(CurrentNode); const size_t End = CurrentPtr - 1; + + size_t RawBodySize = 0; + for (size_t I = Start; I < End; ++I) + RawBodySize += Tokens[I].RawBody.size(); + SmallString<128> RawBody; - for (std::size_t I = Start; I < End; I++) + RawBody.reserve(RawBodySize); + for (std::size_t I = Start; I < End; ++I) RawBody += Tokens[I].RawBody; + CurrentNode->setRawBody(Ctx.Saver.save(StringRef(RawBody))); Parent->addChild(CurrentNode); } _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
