[turbofan] Introduce CheckedUint32Div and CheckUint32Mod operators.

src/compiler/representation-change.cc

 // 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.
 
 #include "src/compiler/representation-change.h"
 
 #include <sstream>
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 645 matching lines @@
     case IrOpcode::kNumberClz32:
       return machine()->Word32Clz();
     case IrOpcode::kNumberImul:
       return machine()->Int32Mul();
     default:
       UNREACHABLE();
       return nullptr;
   }
 }
 
+const Operator* RepresentationChanger::Uint32OverflowOperatorFor(
+    IrOpcode::Value opcode) {
+  switch (opcode) {
+    case IrOpcode::kSpeculativeNumberDivide:
+      return simplified()->CheckedUint32Div();
+    case IrOpcode::kSpeculativeNumberModulus:
+      return simplified()->CheckedUint32Mod();
+    default:
+      UNREACHABLE();
+      return nullptr;
+  }
+}
 
 const Operator* RepresentationChanger::Float64OperatorFor(
     IrOpcode::Value opcode) {
   switch (opcode) {
     case IrOpcode::kSpeculativeNumberAdd:
     case IrOpcode::kNumberAdd:
       return machine()->Float64Add();
     case IrOpcode::kSpeculativeNumberSubtract:
     case IrOpcode::kNumberSubtract:
       return machine()->Float64Sub();
@@ skipping 114 matching lines @@
 }
 
 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) {
   return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(),
                                      node);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8