Fold two identical set lookups into one. No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140821 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 776b8f9..f8f18b2 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -735,13 +735,11 @@
     worklist.pop_back();
     
     // Break use-def graph loops.
-    if (Visited.count(V)) {
+    if (!Visited.insert(V)) {
       Consensus = 0;
       break;
     }
     
-    Visited.insert(V);
-    
     // For a PHI node, push all of its incoming values.
     if (PHINode *P = dyn_cast<PHINode>(V)) {
       for (unsigned i = 0, e = P->getNumIncomingValues(); i != e; ++i)
@@ -752,7 +750,7 @@
     // For non-PHIs, determine the addressing mode being computed.
     SmallVector<Instruction*, 16> NewAddrModeInsts;
     ExtAddrMode NewAddrMode =
-      AddressingModeMatcher::Match(V, AccessTy,MemoryInst,
+      AddressingModeMatcher::Match(V, AccessTy, MemoryInst,
                                    NewAddrModeInsts, *TLI);
 
     // This check is broken into two cases with very similar code to avoid using