From 2c99e413ba13284d119a5b3bc8085d066016dd3e Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Fri, 10 Oct 2014 15:32:50 +0000 Subject: Reduce double set lookups. NFC. llvm-svn: 219505 --- llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp') diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp index b0c3906b02e..5731736ae50 100644 --- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp +++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp @@ -257,11 +257,8 @@ static void AntiDepEdges(const SUnit *SU, std::vector& Edges) { for (SUnit::const_pred_iterator P = SU->Preds.begin(), PE = SU->Preds.end(); P != PE; ++P) { if ((P->getKind() == SDep::Anti) || (P->getKind() == SDep::Output)) { - unsigned Reg = P->getReg(); - if (RegSet.count(Reg) == 0) { + if (RegSet.insert(P->getReg())) Edges.push_back(&*P); - RegSet.insert(Reg); - } } } } @@ -615,8 +612,7 @@ bool AggressiveAntiDepBreaker::FindSuitableFreeRegisters( DEBUG(dbgs() << "\tFind Registers:"); - if (RenameOrder.count(SuperRC) == 0) - RenameOrder.insert(RenameOrderType::value_type(SuperRC, Order.size())); + RenameOrder.insert(RenameOrderType::value_type(SuperRC, Order.size())); unsigned OrigR = RenameOrder[SuperRC]; unsigned EndR = ((OrigR == Order.size()) ? 0 : OrigR); -- cgit v1.2.3