[runtime] First step to sanitize regexp literal creation.

src/crankshaft/arm/lithium-codegen-arm.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.
 
 #include "src/crankshaft/arm/lithium-codegen-arm.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h"
@@ skipping 5292 matching lines @@
 }
 
 
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
   DCHECK(ToRegister(instr->value()).is(r0));
   __ push(r0);
   CallRuntime(Runtime::kToFastProperties, 1, instr);
 }
 
 
-void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  Label materialized;
-  // Registers will be used as follows:
-  // r6 = literals array.
-  // r1 = regexp literal.
-  // r0 = regexp literal clone.
-  // r2-5 are used as temporaries.
-  int literal_offset =
-      LiteralsArray::OffsetOfLiteralAt(instr->hydrogen()->literal_index());
-  __ Move(r6, instr->hydrogen()->literals());
-  __ ldr(r1, FieldMemOperand(r6, literal_offset));
-  __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
-  __ cmp(r1, ip);
-  __ b(ne, &materialized);
-
-  // Create regexp literal using runtime function
-  // Result will be in r0.
-  __ mov(r5, Operand(Smi::FromInt(instr->hydrogen()->literal_index())));
-  __ mov(r4, Operand(instr->hydrogen()->pattern()));
-  __ mov(r3, Operand(instr->hydrogen()->flags()));
-  __ Push(r6, r5, r4, r3);
-  CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr);
-  __ mov(r1, r0);
-
-  __ bind(&materialized);
-  int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
-  Label allocated, runtime_allocate;
-
-  __ Allocate(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
-  __ jmp(&allocated);
-
-  __ bind(&runtime_allocate);
-  __ mov(r0, Operand(Smi::FromInt(size)));
-  __ Push(r1, r0);
-  CallRuntime(Runtime::kAllocateInNewSpace, 1, instr);
-  __ pop(r1);
-
-  __ bind(&allocated);
-  // Copy the content into the newly allocated memory.
-  __ CopyFields(r0, r1, double_scratch0(), size / kPointerSize);
-}
-
-
 void LCodeGen::DoTypeof(LTypeof* instr) {
   DCHECK(ToRegister(instr->value()).is(r3));
   DCHECK(ToRegister(instr->result()).is(r0));
   Label end, do_call;
   Register value_register = ToRegister(instr->value());
   __ JumpIfNotSmi(value_register, &do_call);
   __ mov(r0, Operand(isolate()->factory()->number_string()));
   __ jmp(&end);
   __ bind(&do_call);
   TypeofStub stub(isolate());
@@ skipping 396 matching lines @@
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8