From 144b83a8a19c1dde04bf320c08c1d47c9723751c Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Wed, 5 Mar 2025 09:04:57 -0800 Subject: [PATCH] [IPO] Avoid repeated hash lookups (NFC) --- llvm/lib/Transforms/IPO/ArgumentPromotion.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp index c440638884322..2a3df722d29c5 100644 --- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp +++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp @@ -134,7 +134,8 @@ doPromotion(Function *F, FunctionAnalysisManager &FAM, unsigned ArgNo = 0, NewArgNo = 0; for (Function::arg_iterator I = F->arg_begin(), E = F->arg_end(); I != E; ++I, ++ArgNo) { - if (!ArgsToPromote.count(&*I)) { + auto It = ArgsToPromote.find(&*I); + if (It == ArgsToPromote.end()) { // Unchanged argument Params.push_back(I->getType()); ArgAttrVec.push_back(PAL.getParamAttrs(ArgNo)); @@ -150,7 +151,7 @@ doPromotion(Function *F, FunctionAnalysisManager &FAM, NewArgIndices.push_back((unsigned)-1); } else { - const auto &ArgParts = ArgsToPromote.find(&*I)->second; + const auto &ArgParts = It->second; for (const auto &Pair : ArgParts) { Params.push_back(Pair.second.Ty); ArgAttrVec.push_back(AttributeSet());