[wasm] Copy the tagged-to-int32/float64 and int32/float64-to-tagged code to the wasm compiler.

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"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 namespace compiler {
 // Forward declarations for some compiler data structures.
 class Node;
 class JSGraph;
 class Graph;
+class Operator;
 }
 
 namespace wasm {
 // Forward declarations for some WASM data structures.
 struct ModuleEnv;
 struct WasmFunction;
 class ErrorThrower;
 
 // Expose {Node} and {Graph} opaquely as {wasm::TFNode} and {wasm::TFGraph}.
 typedef compiler::Node TFNode;
@@ skipping 70 matching lines @@
   Node* ReturnVoid();
   Node* Unreachable();
 
   Node* CallDirect(uint32_t index, Node** args);
   Node* CallImport(uint32_t index, Node** args);
   Node* CallIndirect(uint32_t index, Node** args);
   void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig);
   void BuildWasmToJSWrapper(Handle<JSFunction> function,
                             wasm::FunctionSig* sig);
 
-  Node* BuildJavaScriptToNumber(Node* node, Node* context, Node* effect,
-                                Node* control);
   Node* ToJS(Node* node, Node* context, wasm::LocalType type);
   Node* FromJS(Node* node, Node* context, wasm::LocalType type);
   Node* Invert(Node* node);
   Node* FunctionTable();
 
   //-----------------------------------------------------------------------
   // Operations that concern the linear memory.
   //-----------------------------------------------------------------------
   Node* MemSize(uint32_t offset);
   Node* LoadGlobal(uint32_t index);
@@ skipping 28 matching lines @@
   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_;
+  SetOncePointer<const Operator> allocate_heap_number_operator_;
 
   // 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* MaskShiftCount32(Node* node);
@@ skipping 66 matching lines @@
   Node* BuildI32DivU(Node* left, Node* right);
   Node* BuildI32RemU(Node* left, Node* right);
 
   Node* BuildI64DivS(Node* left, Node* right);
   Node* BuildI64RemS(Node* left, Node* right);
   Node* BuildI64DivU(Node* left, Node* right);
   Node* BuildI64RemU(Node* left, Node* right);
   Node* BuildDiv64Call(Node* left, Node* right, ExternalReference ref,
                        MachineType result_type, int trap_zero);
 
+  Node* BuildJavaScriptToNumber(Node* node, Node* context, Node* effect,
+                                Node* control);
+  Node* BuildChangeInt32ToTagged(Node* value);
+  Node* BuildChangeFloat64ToTagged(Node* value);
+  Node* BuildChangeTaggedToFloat64(Node* value);
+
+  Node* BuildChangeInt32ToSmi(Node* value);
+  Node* BuildChangeSmiToInt32(Node* value);
+  Node* BuildChangeSmiToFloat64(Node* value);
+  Node* BuildTestNotSmi(Node* value);
+  Node* BuildSmiShiftBitsConstant();
+
+  Node* BuildAllocateHeapNumberWithValue(Node* value, Node* control);
+  Node* BuildLoadHeapNumberValue(Node* value, Node* control);
+  Node* BuildHeapNumberValueIndexConstant();
+
   Node** Realloc(Node** buffer, size_t old_count, size_t new_count) {
     Node** buf = Buffer(new_count);
     if (buf != buffer) memcpy(buf, buffer, old_count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_