[gasm] Port the Array.prototype.find reduction

Bug: v8:9972
Change-Id: I94a6a1a520de9da76a5de7bdcc19bd1b71b303cd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1973736
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65555}

src/compiler/graph-assembler.cc

@@ -597,6 +597,12 @@ TNode<Boolean> JSGraphAssembler::ToBoolean(TNode<Object> value) {
   return AddNode<Boolean>(graph()->NewNode(simplified()->ToBoolean(), value));
 }
 
+TNode<Object> JSGraphAssembler::ConvertTaggedHoleToUndefined(
+    TNode<Object> value) {
+  return AddNode<Object>(
+      graph()->NewNode(simplified()->ConvertTaggedHoleToUndefined(), value));
+}
+
 TNode<FixedArrayBase> JSGraphAssembler::MaybeGrowFastElements(
     ElementsKind kind, const FeedbackSource& feedback, TNode<JSArray> array,
     TNode<FixedArrayBase> elements, TNode<Number> new_length,

src/compiler/graph-assembler.h

@@ -113,6 +113,7 @@ class BasicBlock;
   V(FixedArrayMap, Map)                         \
   V(FixedDoubleArrayMap, Map)                   \
   V(HeapNumberMap, Map)                         \
+  V(MinusOne, Number)                           \
   V(NaN, Number)                                \
   V(NoContext, Object)                          \
   V(Null, Oddball)                              \
@@ -714,6 +715,7 @@ class V8_EXPORT_PRIVATE JSGraphAssembler : public GraphAssembler {
   Node* CheckIf(Node* cond, DeoptimizeReason reason);
   TNode<Boolean> NumberIsFloat64Hole(TNode<Number> value);
   TNode<Boolean> ToBoolean(TNode<Object> value);
+  TNode<Object> ConvertTaggedHoleToUndefined(TNode<Object> value);
   TNode<FixedArrayBase> MaybeGrowFastElements(ElementsKind kind,
                                               const FeedbackSource& feedback,
                                               TNode<JSArray> array,

src/compiler/js-call-reducer.h

@@ -89,9 +89,9 @@ class V8_EXPORT_PRIVATE JSCallReducer final : public AdvancedReducer {
                                    const SharedFunctionInfoRef& shared);
   Reduction ReduceArrayMap(Node* node, const SharedFunctionInfoRef& shared);
   Reduction ReduceArrayFilter(Node* node, const SharedFunctionInfoRef& shared);
-  enum class ArrayFindVariant { kFind, kFindIndex };
-  Reduction ReduceArrayFind(Node* node, ArrayFindVariant variant,
-                            const SharedFunctionInfoRef& shared);
+  Reduction ReduceArrayFind(Node* node, const SharedFunctionInfoRef& shared);
+  Reduction ReduceArrayFindIndex(Node* node,
+                                 const SharedFunctionInfoRef& shared);
   Reduction ReduceArrayEvery(Node* node, const SharedFunctionInfoRef& shared);
   enum class SearchVariant { kIncludes, kIndexOf };
   Reduction ReduceArrayIndexOfIncludes(SearchVariant search_variant,