[turbofan] Introduce new JSCallWithArrayLike operator.

src/builtins/x64/builtins-x64.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/counters.h"
 #include "src/deoptimizer.h"
@@ skipping 1567 matching lines @@
     __ PushReturnAddressFrom(rcx);
   }
 
   // ----------- S t a t e -------------
   //  -- rbx     : argArray
   //  -- rdi     : receiver
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : thisArg
   // -----------------------------------
 
-  // 2. Make sure the receiver is actually callable.
-  Label receiver_not_callable;
-  __ JumpIfSmi(rdi, &receiver_not_callable, Label::kNear);
-  __ movp(rcx, FieldOperand(rdi, HeapObject::kMapOffset));
-  __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
-           Immediate(1 << Map::kIsCallable));
-  __ j(zero, &receiver_not_callable, Label::kNear);
+  // 2. We don't need to check explicitly for callable receiver here,
+  // since that's the first thing the Call/CallWithArrayLike builtins
+  // will do.
 
   // 3. Tail call with no arguments if argArray is null or undefined.
   Label no_arguments;
   __ JumpIfRoot(rbx, Heap::kNullValueRootIndex, &no_arguments, Label::kNear);
   __ JumpIfRoot(rbx, Heap::kUndefinedValueRootIndex, &no_arguments,
                 Label::kNear);
 
   // 4a. Apply the receiver to the given argArray.
   __ Jump(masm->isolate()->builtins()->CallWithArrayLike(),
           RelocInfo::CODE_TARGET);
 
   // 4b. The argArray is either null or undefined, so we tail call without any
   // arguments to the receiver. Since we did not create a frame for
   // Function.prototype.apply() yet, we use a normal Call builtin here.
   __ bind(&no_arguments);
   {
     __ Set(rax, 0);
     __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   }
-
-  // 4c. The receiver is not callable, throw an appropriate TypeError.
-  __ bind(&receiver_not_callable);
-  {
-    StackArgumentsAccessor args(rsp, 0);
-    __ movp(args.GetReceiverOperand(), rdi);
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
 }
 
 // static
 void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
   // Stack Layout:
   // rsp[0]           : Return address
   // rsp[8]           : Argument n
   // rsp[16]          : Argument n-1
   //  ...
   // rsp[8 * n]       : Argument 1
@@ skipping 75 matching lines @@
     __ PushReturnAddressFrom(rcx);
   }
 
   // ----------- S t a t e -------------
   //  -- rbx     : argumentsList
   //  -- rdi     : target
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : thisArgument
   // -----------------------------------
 
-  // 2. Make sure the target is actually callable.
-  Label target_not_callable;
-  __ JumpIfSmi(rdi, &target_not_callable, Label::kNear);
-  __ movp(rcx, FieldOperand(rdi, HeapObject::kMapOffset));
-  __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
-           Immediate(1 << Map::kIsCallable));
-  __ j(zero, &target_not_callable, Label::kNear);
+  // 2. We don't need to check explicitly for callable target here,
+  // since that's the first thing the Call/CallWithArrayLike builtins
+  // will do.
 
-  // 3a. Apply the target to the given argumentsList.
+  // 3. Apply the target to the given argumentsList.
   __ Jump(masm->isolate()->builtins()->CallWithArrayLike(),
           RelocInfo::CODE_TARGET);
-
-  // 3b. The target is not callable, throw an appropriate TypeError.
-  __ bind(&target_not_callable);
-  {
-    StackArgumentsAccessor args(rsp, 0);
-    __ movp(args.GetReceiverOperand(), rdi);
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
 }
 
 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax     : argc
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : new.target (optional)
   //  -- rsp[16] : argumentsList
   //  -- rsp[24] : target
   //  -- rsp[32] : receiver
@@ skipping 1464 matching lines @@
   // Now jump to the instructions of the returned code object.
   __ jmp(r11);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64