[WASM SIMD] Implement primitive shuffles.

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 128bfbde001676456e781a3726cdf91f7b3e0415..000004104925befd2acacd16ba0da265ef4f2f30 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -252,8 +252,7 @@ class WasmGraphBuilder {
   Node* SimdShiftOp(wasm::WasmOpcode opcode, uint8_t shift,
                     const NodeVector& inputs);
 
-  Node* SimdSwizzleOp(wasm::WasmOpcode opcode, uint32_t swizzle,
-                      const NodeVector& inputs);
+  Node* SimdConcatOp(uint8_t bytes, const NodeVector& inputs);
 
   bool has_simd() const { return has_simd_; }