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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2014-10-10 15:32:50 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2014-10-10 15:32:50 +0000 |
| commit | 2c99e413ba13284d119a5b3bc8085d066016dd3e (patch) | |
| tree | ffa275fc7e653d7964d292480c153d82dd0be95c /llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp | |
| parent | ad8e079c61d00116944879f2b9f2df32b021d07b (diff) | |
| download | bcm5719-llvm-2c99e413ba13284d119a5b3bc8085d066016dd3e.tar.gz bcm5719-llvm-2c99e413ba13284d119a5b3bc8085d066016dd3e.zip | |
Reduce double set lookups. NFC.
llvm-svn: 219505
Diffstat (limited to 'llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
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<const SDep*>& 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); |
