[WASM] Eliminate SIMD boolean vector types.

src/compiler/machine-graph-verifier.cc

 // Copyright 2016 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.
 
 #include "src/compiler/machine-graph-verifier.h"
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 776 matching lines @@
     switch (expected) {
       case MachineRepresentation::kTagged:
         return (actual == MachineRepresentation::kTagged ||
                 actual == MachineRepresentation::kTaggedSigned ||
                 actual == MachineRepresentation::kTaggedPointer);
       case MachineRepresentation::kTaggedSigned:
       case MachineRepresentation::kTaggedPointer:
       case MachineRepresentation::kFloat32:
       case MachineRepresentation::kFloat64:
       case MachineRepresentation::kSimd128:
-      case MachineRepresentation::kSimd1x4:
-      case MachineRepresentation::kSimd1x8:
-      case MachineRepresentation::kSimd1x16:
       case MachineRepresentation::kBit:
       case MachineRepresentation::kWord8:
       case MachineRepresentation::kWord16:
       case MachineRepresentation::kWord64:
         return expected == actual;
         break;
       case MachineRepresentation::kWord32:
         return (actual == MachineRepresentation::kBit ||
                 actual == MachineRepresentation::kWord8 ||
                 actual == MachineRepresentation::kWord16 ||
@@ skipping 27 matching lines @@
   MachineRepresentationInferrer representation_inferrer(schedule, graph,
                                                         linkage, temp_zone);
   MachineRepresentationChecker checker(schedule, &representation_inferrer,
                                        is_stub, name);
   checker.Run();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8