Deprecate the %IsConstructCall intrinsic completely.

src/crankshaft/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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/crankshaft/arm64/lithium-codegen-arm64.h"
 
 #include "src/arm64/frames-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 2999 matching lines @@
     __ InvokeFunction(x1, no_reg, count, CALL_FUNCTION, generator);
   } else {
     CallKnownFunction(known_function,
                       instr->hydrogen()->formal_parameter_count(),
                       instr->arity(), instr);
   }
   RecordPushedArgumentsDelta(instr->hydrogen()->argument_delta());
 }
 
 
-void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) {
-  Register temp1 = ToRegister(instr->temp1());
-  Register temp2 = ToRegister(instr->temp2());
-
-  // Get the frame pointer for the calling frame.
-  __ Ldr(temp1, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-
-  // Skip the arguments adaptor frame if it exists.
-  Label check_frame_marker;
-  __ Ldr(temp2, MemOperand(temp1, StandardFrameConstants::kContextOffset));
-  __ Cmp(temp2, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
-  __ B(ne, &check_frame_marker);
-  __ Ldr(temp1, MemOperand(temp1, StandardFrameConstants::kCallerFPOffset));
-
-  // Check the marker in the calling frame.
-  __ Bind(&check_frame_marker);
-  __ Ldr(temp1, MemOperand(temp1, StandardFrameConstants::kMarkerOffset));
-
-  EmitCompareAndBranch(
-      instr, eq, temp1, Operand(Smi::FromInt(StackFrame::CONSTRUCT)));
-}
-
-
 Condition LCodeGen::EmitIsString(Register input,
                                  Register temp1,
                                  Label* is_not_string,
                                  SmiCheck check_needed = INLINE_SMI_CHECK) {
   if (check_needed == INLINE_SMI_CHECK) {
     __ JumpIfSmi(input, is_not_string);
   }
   __ CompareObjectType(input, temp1, temp1, FIRST_NONSTRING_TYPE);
 
   return lt;
@@ skipping 2842 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 }  // namespace internal
 }  // namespace v8