[turbofan] More useful typing for And, Or and Shr.

src/compiler/change-lowering.cc

Index: src/compiler/change-lowering.cc
diff --git a/src/compiler/change-lowering.cc b/src/compiler/change-lowering.cc
index 16fbfa3fbedcf84d3ff256a399465e8c91274e2c..a4e081a58d6481d39aa0f082353bd856eb5cdbdd 100644
--- a/src/compiler/change-lowering.cc
+++ b/src/compiler/change-lowering.cc
@@ -163,6 +163,9 @@ Reduction ChangeLowering::ChangeInt32ToTagged(Node* value, Node* control) {
         machine()->Word64Shl(),
         graph()->NewNode(machine()->ChangeInt32ToInt64(), value),
         SmiShiftBitsConstant()));
+  } else if (NodeProperties::GetBounds(value).upper->Is(Type::SignedSmall())) {
+    return Replace(
+        graph()->NewNode(machine()->WordShl(), value, SmiShiftBitsConstant()));
   }
 
   Node* add = graph()->NewNode(machine()->Int32AddWithOverflow(), value, value);