[wasm] Use Param and Return methods consistently

src/compiler/wasm-compiler.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 109 matching lines @@
       cur_bufsize_ = new_size;
     }
     return cur_buffer_;
   }
 
   //-----------------------------------------------------------------------
   // Operations independent of {control} or {effect}.
   //-----------------------------------------------------------------------
   Node* Error();
   Node* Start(unsigned params);
-  Node* Param(unsigned index, wasm::LocalType type);
+  Node* Param(unsigned index);
   Node* Loop(Node* entry);
   Node* Terminate(Node* effect, Node* control);
   Node* Merge(unsigned count, Node** controls);
   Node* Phi(wasm::LocalType type, unsigned count, Node** vals, Node* control);
   Node* EffectPhi(unsigned count, Node** effects, Node* control);
   Node* NumberConstant(int32_t value);
   Node* Uint32Constant(uint32_t value);
   Node* Int32Constant(int32_t value);
   Node* Int64Constant(int64_t value);
   Node* Float32Constant(float value);
@@ skipping 18 matching lines @@
   //-----------------------------------------------------------------------
   // Operations that read and/or write {control} and {effect}.
   //-----------------------------------------------------------------------
   Node* BranchNoHint(Node* cond, Node** true_node, Node** false_node);
   Node* BranchExpectTrue(Node* cond, Node** true_node, Node** false_node);
   Node* BranchExpectFalse(Node* cond, Node** true_node, Node** false_node);
 
   Node* Switch(unsigned count, Node* key);
   Node* IfValue(int32_t value, Node* sw);
   Node* IfDefault(Node* sw);
-  Node* Return(unsigned count, Node** vals);
+  Node* Return(unsigned count, Node** nodes);
+  template <typename... Nodes>
+  Node* Return(Node* fst, Nodes*... more) {
+    Node* arr[] = {fst, more...};
+    return Return(arraysize(arr), arr);
+  }
   Node* ReturnVoid();
   Node* Unreachable(wasm::WasmCodePosition position);
 
   Node* CallDirect(uint32_t index, Node** args, Node*** rets,
                    wasm::WasmCodePosition position);
   Node* CallIndirect(uint32_t index, Node** args, Node*** rets,
                      wasm::WasmCodePosition position);
 
   void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig);
   void BuildWasmToJSWrapper(Handle<JSReceiver> target, wasm::FunctionSig* sig);
@@ skipping 186 matching lines @@
   }
 
   int AddParameterNodes(Node** args, int pos, int param_count,
                         wasm::FunctionSig* sig);
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_