[wasm] Change the return type of traps for tests, and added ftoi64 instructions.

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_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/wasm/wasm-opcodes.h"
@@ skipping 37 matching lines @@
                                           wasm::ModuleEnv* module,
                                           Handle<String> name,
                                           Handle<Code> wasm_code,
                                           uint32_t index);
 
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
 class WasmTrapHelper;
 class WasmGraphBuilder {
  public:
-  WasmGraphBuilder(Zone* z, JSGraph* g);
+  WasmGraphBuilder(Zone* z, JSGraph* g, wasm::FunctionSig* function_signature);
 
   Node** Buffer(size_t count) {
     if (count > cur_bufsize_) {
       size_t new_size = count + cur_bufsize_ + 5;
       cur_buffer_ =
           reinterpret_cast<Node**>(zone_->New(new_size * sizeof(Node*)));
       cur_bufsize_ = new_size;
     }
     return cur_buffer_;
   }
@@ skipping 56 matching lines @@
 
   Node* Control() { return *control_; }
   Node* Effect() { return *effect_; }
 
   void set_module(wasm::ModuleEnv* module) { this->module_ = module; }
 
   void set_control_ptr(Node** control) { this->control_ = control; }
 
   void set_effect_ptr(Node** effect) { this->effect_ = effect; }
 
+  wasm::FunctionSig* GetFunctionSignature() { return function_signature_; }
+
  private:
   static const int kDefaultBufferSize = 16;
   friend class WasmTrapHelper;
 
   Zone* zone_;
   JSGraph* jsgraph_;
   wasm::ModuleEnv* module_;
   Node* mem_buffer_;
   Node* mem_size_;
   Node* function_table_;
   Node** control_;
   Node** effect_;
   Node** cur_buffer_;
   size_t cur_bufsize_;
   Node* def_buffer_[kDefaultBufferSize];
 
   WasmTrapHelper* trap_;
+  wasm::FunctionSig* function_signature_;
 
   // Internal helper methods.
   JSGraph* jsgraph() { return jsgraph_; }
   Graph* graph();
 
   Node* String(const char* string);
   Node* MemBuffer(uint32_t offset);
   void BoundsCheckMem(MachineType memtype, Node* index, uint32_t offset);
 
   Node* BuildWasmCall(wasm::FunctionSig* sig, Node** args);
   Node* BuildF32CopySign(Node* left, Node* right);
   Node* BuildF64CopySign(Node* left, Node* right);
   Node* BuildI32Ctz(Node* input);
   Node* BuildI32Popcnt(Node* input);
   Node* BuildI64Ctz(Node* input);
   Node* BuildI64Popcnt(Node* input);
 
   Node** Realloc(Node** buffer, size_t count) {
     Node** buf = Buffer(count);
     if (buf != buffer) memcpy(buf, buffer, count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_