commit 2c99e413ba13284d119a5b3bc8085d066016dd3e
author Benjamin Kramer <benny.kra@googlemail.com> Fri Oct 10 15:32:50 2014 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Fri Oct 10 15:32:50 2014 +0000
tree ffa275fc7e653d7964d292480c153d82dd0be95c
parent ad8e079c61d00116944879f2b9f2df32b021d07b

Reduce double set lookups. NFC.

llvm-svn: 219505

llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp

diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index b0c3906..5731736 100644
--- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -257,11 +257,8 @@
   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 @@
 
   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);