[csa][cleanup] TNodify LoadElementAndPrepareForStore's parameters

Return type still needs TNodification. It can be Object or Float64T.

Bug: v8:10506, v8:6949
Change-Id: I71e7ae28f3039b2e1c5c2a5c2e383c335cdec38a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2204281Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67887}

src/codegen/code-stub-assembler.cc

@@ -4833,11 +4833,9 @@ void CodeStubAssembler::CopyPropertyArrayValues(TNode<HeapObject> from_array,
   Comment("] CopyPropertyArrayValues");
 }
 
-Node* CodeStubAssembler::LoadElementAndPrepareForStore(Node* array,
-                                                       Node* offset,
-                                                       ElementsKind from_kind,
-                                                       ElementsKind to_kind,
-                                                       Label* if_hole) {
+Node* CodeStubAssembler::LoadElementAndPrepareForStore(
+    TNode<FixedArrayBase> array, TNode<IntPtrT> offset, ElementsKind from_kind,
+    ElementsKind to_kind, Label* if_hole) {
   CSA_ASSERT(this, IsFixedArrayWithKind(array, from_kind));
   if (IsDoubleElementsKind(from_kind)) {
     TNode<Float64T> value =

src/codegen/code-stub-assembler.h

@@ -2411,7 +2411,8 @@ class V8_EXPORT_PRIVATE CodeStubAssembler
   // (NOTE: not index!), does a hole check if |if_hole| is provided and
   // converts the value so that it becomes ready for storing to array of
   // |to_kind| elements.
-  Node* LoadElementAndPrepareForStore(Node* array, Node* offset,
+  Node* LoadElementAndPrepareForStore(TNode<FixedArrayBase> array,
+                                      TNode<IntPtrT> offset,
                                       ElementsKind from_kind,
                                       ElementsKind to_kind, Label* if_hole);