[turbofan] introduce Int32/64AbsWithOverflow optional operator

src/compiler/raw-machine-assembler.h

 // Copyright 2014 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_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 421 matching lines @@
                              : prefix##32##name(a, b); \
   }
 
   UINTPTR_BINOP(Uint, LessThan);
   UINTPTR_BINOP(Uint, LessThanOrEqual);
   UINTPTR_BINOP(Uint, GreaterThanOrEqual);
   UINTPTR_BINOP(Uint, GreaterThan);
 
 #undef UINTPTR_BINOP
 
+  Node* Int32AbsWithOverflow(Node* a) {
+    return AddNode(machine()->Int32AbsWithOverflow().op(), a);
+  }
+
+  Node* Int64AbsWithOverflow(Node* a) {
+    return AddNode(machine()->Int64AbsWithOverflow().op(), a);
+  }
+
+  Node* IntPtrAbsWithOverflow(Node* a) {
+    return kPointerSize == 8 ? Int64AbsWithOverflow(a)
+                             : Int32AbsWithOverflow(a);
+  }
+
   Node* Float32Add(Node* a, Node* b) {
     return AddNode(machine()->Float32Add(), a, b);
   }
   Node* Float32Sub(Node* a, Node* b) {
     return AddNode(machine()->Float32Sub(), a, b);
   }
   Node* Float32Mul(Node* a, Node* b) {
     return AddNode(machine()->Float32Mul(), a, b);
   }
   Node* Float32Div(Node* a, Node* b) {
@@ skipping 404 matching lines @@
   bool deferred_;
   friend class RawMachineAssembler;
   DISALLOW_COPY_AND_ASSIGN(RawMachineLabel);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_