[gasm] Port the PromiseConstructor reduction to GraphAssembler

The most interesting part of this change is that try-catch patterns
are now supported by graph assembler through TryCatchBuilder0.

Bug: v8:9972
Change-Id: I6ef0d51d4a1973eb8a30a5072c630261860f0a05
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1986000
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65874}

src/compiler/graph-assembler.h

@@ -136,15 +136,14 @@ class NodeWrapper {
   Node* operator->() const { return node_; }
 
  private:
-  Node* const node_;
+  Node* node_;
 };
 
 class Effect : public NodeWrapper {
  public:
   explicit constexpr Effect(Node* node) : NodeWrapper(node) {
-    // TODO(jgruber): Remove the End/Dead special case.
+    // TODO(jgruber): Remove the End special case.
     SLOW_DCHECK(node == nullptr || node->op()->opcode() == IrOpcode::kEnd ||
-                node->op()->opcode() == IrOpcode::kDead ||
                 node->op()->EffectOutputCount() > 0);
   }
 };
@@ -152,9 +151,8 @@ class Effect : public NodeWrapper {
 class Control : public NodeWrapper {
  public:
   explicit constexpr Control(Node* node) : NodeWrapper(node) {
-    // TODO(jgruber): Remove the End/Dead special case.
-    SLOW_DCHECK(node == nullptr || node->op()->opcode() == IrOpcode::kEnd ||
-                node->op()->opcode() == IrOpcode::kDead ||
+    // TODO(jgruber): Remove the End special case.
+    SLOW_DCHECK(node == nullptr || node->opcode() == IrOpcode::kEnd ||
                 node->op()->ControlOutputCount() > 0);
   }
 };
@@ -162,7 +160,10 @@ class Control : public NodeWrapper {
 class FrameState : public NodeWrapper {
  public:
   explicit constexpr FrameState(Node* node) : NodeWrapper(node) {
-    SLOW_DCHECK(node->op()->opcode() == IrOpcode::kFrameState);
+    // TODO(jgruber): Disallow kStart (needed for PromiseConstructorBasic unit
+    // test, among others).
+    SLOW_DCHECK(node->opcode() == IrOpcode::kFrameState ||
+                node->opcode() == IrOpcode::kStart);
   }
 };
 

src/compiler/js-call-reducer.h

@@ -214,25 +214,6 @@ class V8_EXPORT_PRIVATE JSCallReducer final : public AdvancedReducer {
                                                    Node* context, Node* effect,
                                                    Node* control);
 
-  // If {fncallback} is not callable, throw a TypeError.
-  // {control} is altered, and new nodes {check_fail} and {check_throw} are
-  // returned. {check_fail} is the control branch where IsCallable failed,
-  // and {check_throw} is the call to throw a TypeError in that
-  // branch.
-  void WireInCallbackIsCallableCheck(Node* fncallback, Node* context,
-                                     Node* check_frame_state, Node* effect,
-                                     Node** control, Node** check_fail,
-                                     Node** check_throw);
-  void RewirePostCallbackExceptionEdges(Node* check_throw, Node* on_exception,
-                                        Node* effect, Node** check_fail,
-                                        Node** control);
-
-  Node* CreateArtificialFrameState(Node* node, Node* outer_frame_state,
-                                   int parameter_count, BailoutId bailout_id,
-                                   FrameStateType frame_state_type,
-                                   const SharedFunctionInfoRef& shared,
-                                   Node* context = nullptr);
-
   void CheckIfElementsKind(Node* receiver_elements_kind, ElementsKind kind,
                            Node* control, Node** if_true, Node** if_false);
   Node* LoadReceiverElementsKind(Node* receiver, Node** effect, Node** control);