[wasm] Inline two simple macros

The LOAD_RAW and LOAD_RAW_NODE_OFFSET macros just call method on the
GraphAssembler now, hence we can remove the macros and just do the calls
directly. This reduces code complexity.

R=jkummerow@chromium.org, tebbi@chromium.org

Bug: v8:10123
Change-Id: I1d779969a14a52256eecb33007564eb190bdcff2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2039051
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66149}

src/compiler/graph-assembler.cc

@@ -648,11 +648,20 @@ Node* GraphAssembler::Store(StoreRepresentation rep, Node* object, Node* offset,
                                   effect(), control()));
 }
 
+Node* GraphAssembler::Store(StoreRepresentation rep, Node* object, int offset,
+                            Node* value) {
+  return Store(rep, object, Int32Constant(offset), value);
+}
+
 Node* GraphAssembler::Load(MachineType type, Node* object, Node* offset) {
   return AddNode(graph()->NewNode(machine()->Load(type), object, offset,
                                   effect(), control()));
 }
 
+Node* GraphAssembler::Load(MachineType type, Node* object, int offset) {
+  return Load(type, object, Int32Constant(offset));
+}
+
 Node* GraphAssembler::StoreUnaligned(MachineRepresentation rep, Node* object,
                                      Node* offset, Node* value) {
   Operator const* const op =

src/compiler/graph-assembler.h

@@ -309,7 +309,9 @@ class V8_EXPORT_PRIVATE GraphAssembler {
   Node* Checkpoint(FrameState frame_state);
 
   Node* Store(StoreRepresentation rep, Node* object, Node* offset, Node* value);
+  Node* Store(StoreRepresentation rep, Node* object, int offset, Node* value);
   Node* Load(MachineType type, Node* object, Node* offset);
+  Node* Load(MachineType type, Node* object, int offset);
 
   Node* StoreUnaligned(MachineRepresentation rep, Node* object, Node* offset,
                        Node* value);