[CSA] Mark label in LoadReceiverMap as deferred

Defer the branch to load receiver's map from a Smi because it is less
likely to be used as a receiver, especially when the path to handle
Smi receiver is already deferred.

Change-Id: I2b55c146e36e548129a6c5460b55fef32df2c2f1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3719959Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Hao A Xu <hao.a.xu@intel.com>
Cr-Commit-Position: refs/heads/main@{#81346}

src/codegen/code-stub-assembler.cc

@@ -10641,9 +10641,23 @@ void CodeStubAssembler::CheckForAssociatedProtector(TNode<Name> name,
 }
 
 TNode<Map> CodeStubAssembler::LoadReceiverMap(TNode<Object> receiver) {
-  return Select<Map>(
-      TaggedIsSmi(receiver), [=] { return HeapNumberMapConstant(); },
-      [=] { return LoadMap(UncheckedCast<HeapObject>(receiver)); });
+  TVARIABLE(Map, value);
+  Label vtrue(this, Label::kDeferred), vfalse(this), end(this);
+  Branch(TaggedIsSmi(receiver), &vtrue, &vfalse);
+
+  BIND(&vtrue);
+  {
+    value = HeapNumberMapConstant();
+    Goto(&end);
+  }
+  BIND(&vfalse);
+  {
+    value = LoadMap(UncheckedCast<HeapObject>(receiver));
+    Goto(&end);
+  }
+
+  BIND(&end);
+  return value.value();
 }
 
 TNode<IntPtrT> CodeStubAssembler::TryToIntptr(