[LVI] Use a SmallVector instead of SmallPtrSet. NFC

llvm-svn: 245739
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 4fb6b10..abc0ac8 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -1055,7 +1055,7 @@
   auto I = OverDefinedCache.find(OldSucc);
   if (I == OverDefinedCache.end())
     return; // Nothing to process here.
-  SmallPtrSet<Value *, 4> ClearSet(I->second.begin(), I->second.end());
+  SmallVector<Value *, 4> ValsToClear(I->second.begin(), I->second.end());
 
   // Use a worklist to perform a depth-first search of OldSucc's successors.
   // NOTE: We do not need a visited list since any blocks we have already
@@ -1069,7 +1069,7 @@
     if (ToUpdate == NewSucc) continue;
 
     bool changed = false;
-    for (Value *V : ClearSet) {
+    for (Value *V : ValsToClear) {
       // If a value was marked overdefined in OldSucc, and is here too...
       auto OI = OverDefinedCache.find(ToUpdate);
       if (OI == OverDefinedCache.end())