[wasm] implement simd lowering for replaceLane, load, store and test for phi

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 b4bc3502976b819b17aed7767eeb377b32e38ea3..5ec60f0f70061a3ac5b8e3c42369ac121fe43f21 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -208,6 +208,8 @@ class WasmGraphBuilder {
 
   Node* SimdOp(wasm::WasmOpcode opcode, const NodeVector& inputs);
   Node* SimdExtractLane(wasm::WasmOpcode opcode, uint8_t lane, Node* input);
+  Node* SimdReplaceLane(wasm::WasmOpcode opcode, uint8_t lane, Node* input,
+                        Node* replacement);
 
  private:
   static const int kDefaultBufferSize = 16;