Replace DeoptimizeOnUndefined with whitelisting AllowUndefinedAsNan

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5066 matching lines @@
     DeoptimizeIf(not_zero, instr->environment());
   } else {
     __ AssertSmi(result);
   }
   __ SmiUntag(result);
 }
 
 
 void LCodeGen::EmitNumberUntagDNoSSE2(Register input_reg,
                                       Register temp_reg,
-                                      bool deoptimize_on_undefined,
+                                      bool allow_undefined_as_nan,
                                       bool deoptimize_on_minus_zero,
                                       LEnvironment* env,
                                       NumberUntagDMode mode) {
   Label load_smi, done;
 
   STATIC_ASSERT(NUMBER_CANDIDATE_IS_ANY_TAGGED_CONVERT_HOLE >
                 NUMBER_CANDIDATE_IS_ANY_TAGGED);
   if (mode >= NUMBER_CANDIDATE_IS_ANY_TAGGED) {
     // Smi check.
     __ JumpIfSmi(input_reg, &load_smi, Label::kNear);
 
     // Heap number map check.
     __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
            factory()->heap_number_map());
-    if (deoptimize_on_undefined) {
+    if (!allow_undefined_as_nan) {
       DeoptimizeIf(not_equal, env);
     } else {
       Label heap_number, convert;
       __ j(equal, &heap_number, Label::kNear);
 
       // Convert undefined (or hole) to NaN.
       __ cmp(input_reg, factory()->undefined_value());
       if (mode == NUMBER_CANDIDATE_IS_ANY_TAGGED_CONVERT_HOLE) {
         __ j(equal, &convert, Label::kNear);
         __ cmp(input_reg, factory()->the_hole_value());
@@ skipping 36 matching lines @@
   __ fild_s(Operand(esp, 0));
   __ pop(input_reg);
   __ SmiTag(input_reg);  // Retag smi.
   __ bind(&done);
 }
 
 
 void LCodeGen::EmitNumberUntagD(Register input_reg,
                                 Register temp_reg,
                                 XMMRegister result_reg,
-                                bool deoptimize_on_undefined,
+                                bool allow_undefined_as_nan,
                                 bool deoptimize_on_minus_zero,
                                 LEnvironment* env,
                                 NumberUntagDMode mode) {
   Label load_smi, done;
 
   STATIC_ASSERT(NUMBER_CANDIDATE_IS_ANY_TAGGED_CONVERT_HOLE >
                 NUMBER_CANDIDATE_IS_ANY_TAGGED);
   if (mode >= NUMBER_CANDIDATE_IS_ANY_TAGGED) {
     // Smi check.
     __ JumpIfSmi(input_reg, &load_smi, Label::kNear);
 
     // Heap number map check.
     __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
            factory()->heap_number_map());
-    if (deoptimize_on_undefined) {
+    if (!allow_undefined_as_nan) {
       DeoptimizeIf(not_equal, env);
     } else {
       Label heap_number, convert;
       __ j(equal, &heap_number, Label::kNear);
 
       // Convert undefined (and hole) to NaN.
       __ cmp(input_reg, factory()->undefined_value());
       if (mode == NUMBER_CANDIDATE_IS_ANY_TAGGED_CONVERT_HOLE) {
         __ j(equal, &convert, Label::kNear);
         __ cmp(input_reg, factory()->the_hole_value());
@@ skipping 327 matching lines @@
       mode = NUMBER_CANDIDATE_IS_ANY_TAGGED_CONVERT_HOLE;
     }
   }
 
   if (CpuFeatures::IsSupported(SSE2)) {
     CpuFeatureScope scope(masm(), SSE2);
     XMMRegister result_reg = ToDoubleRegister(result);
     EmitNumberUntagD(input_reg,
                      temp_reg,
                      result_reg,
-                     instr->hydrogen()->deoptimize_on_undefined(),
+                     instr->hydrogen()->allow_undefined_as_nan(),
                      deoptimize_on_minus_zero,
                      instr->environment(),
                      mode);
   } else {
     EmitNumberUntagDNoSSE2(input_reg,
                            temp_reg,
-                           instr->hydrogen()->deoptimize_on_undefined(),
+                           instr->hydrogen()->allow_undefined_as_nan(),
                            deoptimize_on_minus_zero,
                            instr->environment(),
                            mode);
     CurrentInstructionReturnsX87Result();
   }
 }
 
 
 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
   LOperand* input = instr->value();
@@ skipping 1045 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32