SplitKit: Use initializer lists (#167449)

Author: arsenm

llvm/lib/CodeGen/SplitKit.cpp

@@ -1509,10 +1509,9 @@ void SplitEditor::forceRecomputeVNI(const VNInfo &ParentVNI) {
   }
 
   // Trace value through phis.
-  SmallPtrSet<const VNInfo *, 8> Visited; ///< whether VNI was/is in worklist.
-  SmallVector<const VNInfo *, 4> WorkList;
-  Visited.insert(&ParentVNI);
-  WorkList.push_back(&ParentVNI);
+  ///< whether VNI was/is in worklist.
+  SmallPtrSet<const VNInfo *, 8> Visited = {&ParentVNI};
+  SmallVector<const VNInfo *, 4> WorkList = {&ParentVNI};
 
   const LiveInterval &ParentLI = Edit->getParent();
   const SlotIndexes &Indexes = *LIS.getSlotIndexes();