Revert "Revert "Lift the spill at each irreducible loop block restriction.""

This reverts commit 2818dbcd75ea9beadcba9d18e2f68523108d0cf5.

Change-Id: I92b2b60b4f08f50cacfea4132f1c28cfbd628f1a
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 2805162..9d796c1 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -507,6 +507,7 @@
         || IsPass(HDeadCodeElimination::kFinalDeadCodeEliminationPassName)
         || IsPass(HDeadCodeElimination::kInitialDeadCodeEliminationPassName)
         || IsPass(BoundsCheckElimination::kBoundsCheckEliminationPassName)
+        || IsPass(RegisterAllocator::kRegisterAllocatorPassName)
         || IsPass(SsaBuilder::kSsaBuilderPassName)) {
       HLoopInformation* info = instruction->GetBlock()->GetLoopInformation();
       if (info == nullptr) {