Revert runtime lowering of wasm SIMD ops

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index 5c9bb45fb370790abd8ed82ae8555f0f562dde47..e2e289b7a1c505d3c0cd508d362b4ad6244a9385 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -24,7 +24,6 @@ class JSGraph;
 class Graph;
 class Operator;
 class SourcePositionTable;
-class MachineOperatorBuilder;
 }  // namespace compiler
 
 namespace wasm {
@@ -95,7 +94,6 @@ Handle<Code> CompileJSToWasmWrapper(Isolate* isolate, wasm::ModuleEnv* module,
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
 class WasmTrapHelper;
-enum class Conversion { kNone, kOpaque, kInt32, kFloat32, kFloat64 };
 typedef ZoneVector<Node*> NodeVector;
 class WasmGraphBuilder {
  public:
@@ -131,7 +129,6 @@ class WasmGraphBuilder {
   Node* Float32Constant(float value);
   Node* Float64Constant(double value);
   Node* HeapConstant(Handle<HeapObject> value);
-  Node* DefaultS128Value();
   Node* Binop(wasm::WasmOpcode opcode, Node* left, Node* right,
               wasm::WasmCodePosition position = wasm::kNoCodePosition);
   Node* Unop(wasm::WasmOpcode opcode, Node* input,
@@ -166,8 +163,6 @@ class WasmGraphBuilder {
   Node* FromJS(Node* node, Node* context, wasm::LocalType type);
   Node* Invert(Node* node);
   Node* FunctionTable(uint32_t index);
-  Node* ChangeToRuntimeCall(Node* node, Runtime::FunctionId function_id,
-                            Signature<Conversion>* signature);
 
   //-----------------------------------------------------------------------
   // Operations that concern the linear memory.
@@ -201,8 +196,6 @@ class WasmGraphBuilder {
 
   Node* SimdOp(wasm::WasmOpcode opcode, const NodeVector& inputs);
 
-  bool has_simd_ops() { return has_simd_ops_; }
-
  private:
   static const int kDefaultBufferSize = 16;
   friend class WasmTrapHelper;
@@ -224,7 +217,6 @@ class WasmGraphBuilder {
   SetOncePointer<const Operator> allocate_heap_number_operator_;
 
   compiler::SourcePositionTable* source_position_table_ = nullptr;
-  bool has_simd_ops_ = false;
 
   // Internal helper methods.
   JSGraph* jsgraph() { return jsgraph_; }
@@ -312,7 +304,6 @@ class WasmGraphBuilder {
   Node* BuildJavaScriptToNumber(Node* node, Node* context, Node* effect,
                                 Node* control);
   Node* BuildChangeInt32ToTagged(Node* value);
-  Node* BuildChangeTaggedToInt32(Node* value);
   Node* BuildChangeFloat64ToTagged(Node* value);
   Node* BuildChangeTaggedToFloat64(Node* value);
 
@@ -345,9 +336,6 @@ class WasmGraphBuilder {
     if (buf != buffer) memcpy(buf, buffer, old_count * sizeof(Node*));
     return buf;
   }
-
-  // Simd helper functions
-  MachineOperatorBuilder* simd();
 };
 }  // namespace compiler
 }  // namespace internal