[maglev] Add Print commands

Allows to debug print a node, similar to CSA.

Bug: v8:7700
Change-Id: I602f8f8ed8c6df6b0782dd55b477252ee31dca26
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3874932Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82993}

src/maglev/maglev-graph-builder.h

@@ -454,6 +454,24 @@ class MaglevGraphBuilder {
     MarkBytecodeDead();
   }
 
+  void Print(const char* str) {
+    Handle<String> string_handle =
+        local_isolate()->factory()->NewStringFromAsciiChecked(
+            str, AllocationType::kOld);
+    ValueNode* string_node = GetConstant(MakeRefAssumeMemoryFence(
+        broker(), broker()->CanonicalPersistentHandle(string_handle)));
+    BuildCallRuntime(Runtime::kGlobalPrint, {string_node});
+  }
+
+  void Print(ValueNode* value) {
+    BuildCallRuntime(Runtime::kDebugPrint, {value});
+  }
+
+  void Print(const char* str, ValueNode* value) {
+    Print(str);
+    Print(value);
+  }
+
   ValueNode* GetClosure() const {
     return current_interpreter_frame_.get(
         interpreter::Register::function_closure());