Add %GetCallerJSFunction intrinsic

src/compiler/simplified-lowering.cc

 // 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.
 
 #include "src/compiler/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 326 matching lines @@
         return kRepWord32;
       } else {
         return kRepFloat64;
       }
     } else if (upper->Is(Type::Boolean())) {
       // multiple uses => pick kRepBit.
       return kRepBit;
     } else if (upper->Is(Type::Number())) {
       // multiple uses => pick kRepFloat64.
       return kRepFloat64;
+    } else if (upper->Is(Type::Internal())) {
+      return kMachPtr;
     }
     return kRepTagged;
   }
 
   // Helper for handling selects.
   void VisitSelect(Node* node, MachineTypeUnion use,
                    SimplifiedLowering* lowering) {
     ProcessInput(node, 0, kRepBit);
     MachineType output = GetRepresentationForPhi(node, use);
 
@@ skipping 677 matching lines @@
       case IrOpcode::kFloat64LessThan:
       case IrOpcode::kFloat64LessThanOrEqual:
         return VisitFloat64Cmp(node);
       case IrOpcode::kFloat64ExtractLowWord32:
       case IrOpcode::kFloat64ExtractHighWord32:
         return VisitUnop(node, kMachFloat64, kMachInt32);
       case IrOpcode::kFloat64InsertLowWord32:
       case IrOpcode::kFloat64InsertHighWord32:
         return VisitBinop(node, kMachFloat64, kMachInt32, kMachFloat64);
       case IrOpcode::kLoadStackPointer:
+      case IrOpcode::kLoadFramePointer:
         return VisitLeaf(node, kMachPtr);
       case IrOpcode::kStateValues:
         VisitStateValues(node);
         break;
       default:
         VisitInputs(node);
         break;
     }
   }
 
@@ skipping 557 matching lines @@
 
 void SimplifiedLowering::DoStringLessThanOrEqual(Node* node) {
   node->set_op(machine()->IntLessThanOrEqual());
   node->ReplaceInput(0, StringComparison(node, true));
   node->ReplaceInput(1, jsgraph()->SmiConstant(EQUAL));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8