Consistently use named getters for Lithium operands on ia32.

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 891 matching lines @@
 }
 
 
 void LCodeGen::DoUnknownOSRValue(LUnknownOSRValue* instr) {
   // Nothing to do.
 }
 
 
 void LCodeGen::DoModI(LModI* instr) {
   if (instr->hydrogen()->HasPowerOf2Divisor()) {
-    Register dividend = ToRegister(instr->InputAt(0));
+    Register dividend = ToRegister(instr->left());
 
     int32_t divisor =
         HConstant::cast(instr->hydrogen()->right())->Integer32Value();
 
     if (divisor < 0) divisor = -divisor;
 
     Label positive_dividend, done;
     __ test(dividend, Operand(dividend));
     __ j(not_sign, &positive_dividend, Label::kNear);
     __ neg(dividend);
     __ and_(dividend, divisor - 1);
     __ neg(dividend);
     if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
       __ j(not_zero, &done, Label::kNear);
       DeoptimizeIf(no_condition, instr->environment());
     } else {
       __ jmp(&done, Label::kNear);
     }
     __ bind(&positive_dividend);
     __ and_(dividend, divisor - 1);
     __ bind(&done);
   } else {
     Label done, remainder_eq_dividend, slow, do_subtraction, both_positive;
-    Register left_reg = ToRegister(instr->InputAt(0));
-    Register right_reg = ToRegister(instr->InputAt(1));
+    Register left_reg = ToRegister(instr->left());
+    Register right_reg = ToRegister(instr->right());
     Register result_reg = ToRegister(instr->result());
 
     ASSERT(left_reg.is(eax));
     ASSERT(result_reg.is(edx));
     ASSERT(!right_reg.is(eax));
     ASSERT(!right_reg.is(edx));
 
     // Check for x % 0.
     if (instr->hydrogen()->CheckFlag(HValue::kCanBeDivByZero)) {
       __ test(right_reg, Operand(right_reg));
       DeoptimizeIf(zero, instr->environment());
     }
 
     __ test(left_reg, Operand(left_reg));
     __ j(zero, &remainder_eq_dividend, Label::kNear);
     __ j(sign, &slow, Label::kNear);
 
     __ test(right_reg, Operand(right_reg));
     __ j(not_sign, &both_positive, Label::kNear);
     // The sign of the divisor doesn't matter.
     __ neg(right_reg);
 
     __ bind(&both_positive);
     // If the dividend is smaller than the nonnegative
     // divisor, the dividend is the result.
     __ cmp(left_reg, Operand(right_reg));
     __ j(less, &remainder_eq_dividend, Label::kNear);
 
     // Check if the divisor is a PowerOfTwo integer.
-    Register scratch = ToRegister(instr->TempAt(0));
+    Register scratch = ToRegister(instr->temp());
     __ mov(scratch, right_reg);
     __ sub(Operand(scratch), Immediate(1));
     __ test(scratch, Operand(right_reg));
     __ j(not_zero, &do_subtraction, Label::kNear);
     __ and_(left_reg, Operand(scratch));
     __ jmp(&remainder_eq_dividend, Label::kNear);
 
     __ bind(&do_subtraction);
     const int kUnfolds = 3;
     // Try a few subtractions of the dividend.
@@ skipping 35 matching lines @@
 
     __ bind(&remainder_eq_dividend);
     __ mov(result_reg, left_reg);
 
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoDivI(LDivI* instr) {
-  LOperand* right = instr->InputAt(1);
+  LOperand* right = instr->right();
   ASSERT(ToRegister(instr->result()).is(eax));
-  ASSERT(ToRegister(instr->InputAt(0)).is(eax));
-  ASSERT(!ToRegister(instr->InputAt(1)).is(eax));
-  ASSERT(!ToRegister(instr->InputAt(1)).is(edx));
+  ASSERT(ToRegister(instr->left()).is(eax));
+  ASSERT(!ToRegister(instr->right()).is(eax));
+  ASSERT(!ToRegister(instr->right()).is(edx));
 
   Register left_reg = eax;
 
   // Check for x / 0.
   Register right_reg = ToRegister(right);
   if (instr->hydrogen()->CheckFlag(HValue::kCanBeDivByZero)) {
     __ test(right_reg, ToOperand(right));
     DeoptimizeIf(zero, instr->environment());
   }
 
@@ skipping 21 matching lines @@
   __ cdq();
   __ idiv(right_reg);
 
   // Deoptimize if remainder is not 0.
   __ test(edx, Operand(edx));
   DeoptimizeIf(not_zero, instr->environment());
 }
 
 
 void LCodeGen::DoMathFloorOfDiv(LMathFloorOfDiv* instr) {
-  ASSERT(instr->InputAt(1)->IsConstantOperand());
+  ASSERT(instr->right()->IsConstantOperand());
 
-  Register dividend = ToRegister(instr->InputAt(0));
-  int32_t divisor = ToInteger32(LConstantOperand::cast(instr->InputAt(1)));
+  Register dividend = ToRegister(instr->left());
+  int32_t divisor = ToInteger32(LConstantOperand::cast(instr->right()));
   Register result = ToRegister(instr->result());
 
   switch (divisor) {
   case 0:
     DeoptimizeIf(no_condition, instr->environment());
     return;
 
   case 1:
     __ Move(result, dividend);
     return;
@@ skipping 25 matching lines @@
       __ shl(dividend, 32 - power);
       __ sar(result, power);
       __ not_(dividend);
       // Clear result.sign if dividend.sign is set.
       __ and_(result, dividend);
     } else {
       __ Move(result, dividend);
       __ sar(result, power);
     }
   } else {
-    ASSERT(ToRegister(instr->InputAt(0)).is(eax));
+    ASSERT(ToRegister(instr->left()).is(eax));
     ASSERT(ToRegister(instr->result()).is(edx));
-    Register scratch = ToRegister(instr->TempAt(0));
+    Register scratch = ToRegister(instr->temp());
 
     // Find b which: 2^b < divisor_abs < 2^(b+1).
     unsigned b = 31 - CompilerIntrinsics::CountLeadingZeros(divisor_abs);
     unsigned shift = 32 + b;  // Precision +1bit (effectively).
     double multiplier_f =
         static_cast<double>(static_cast<uint64_t>(1) << shift) / divisor_abs;
     int64_t multiplier;
     if (multiplier_f - floor(multiplier_f) < 0.5) {
         multiplier = static_cast<int64_t>(floor(multiplier_f));
     } else {
@@ skipping 31 matching lines @@
       __ cmp(reg_lo, 0xC0000000);
       __ setcc(above_equal, reg_byte_scratch);
       __ add(edx, reg_byte_scratch);
     }
     __ sar(edx, shift - 32);
   }
 }
 
 
 void LCodeGen::DoMulI(LMulI* instr) {
-  Register left = ToRegister(instr->InputAt(0));
-  LOperand* right = instr->InputAt(1);
+  Register left = ToRegister(instr->left());
+  LOperand* right = instr->right();
 
   if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
-    __ mov(ToRegister(instr->TempAt(0)), left);
+    __ mov(ToRegister(instr->temp()), left);
   }
 
   if (right->IsConstantOperand()) {
     // Try strength reductions on the multiplication.
     // All replacement instructions are at most as long as the imul
     // and have better latency.
     int constant = ToInteger32(LConstantOperand::cast(right));
     if (constant == -1) {
       __ neg(left);
     } else if (constant == 0) {
@@ skipping 45 matching lines @@
     // Bail out if the result is supposed to be negative zero.
     Label done;
     __ test(left, Operand(left));
     __ j(not_zero, &done, Label::kNear);
     if (right->IsConstantOperand()) {
       if (ToInteger32(LConstantOperand::cast(right)) <= 0) {
         DeoptimizeIf(no_condition, instr->environment());
       }
     } else {
       // Test the non-zero operand for negative sign.
-      __ or_(ToRegister(instr->TempAt(0)), ToOperand(right));
+      __ or_(ToRegister(instr->temp()), ToOperand(right));
       DeoptimizeIf(sign, instr->environment());
     }
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoBitI(LBitI* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   ASSERT(left->Equals(instr->result()));
   ASSERT(left->IsRegister());
 
   if (right->IsConstantOperand()) {
     int right_operand = ToInteger32(LConstantOperand::cast(right));
     switch (instr->op()) {
       case Token::BIT_AND:
         __ and_(ToRegister(left), right_operand);
         break;
       case Token::BIT_OR:
@@ skipping 19 matching lines @@
         break;
       default:
         UNREACHABLE();
         break;
     }
   }
 }
 
 
 void LCodeGen::DoShiftI(LShiftI* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   ASSERT(left->Equals(instr->result()));
   ASSERT(left->IsRegister());
   if (right->IsRegister()) {
     ASSERT(ToRegister(right).is(ecx));
 
     switch (instr->op()) {
       case Token::SAR:
         __ sar_cl(ToRegister(left));
         break;
       case Token::SHR:
@@ skipping 34 matching lines @@
         break;
       default:
         UNREACHABLE();
         break;
     }
   }
 }
 
 
 void LCodeGen::DoSubI(LSubI* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   ASSERT(left->Equals(instr->result()));
 
   if (right->IsConstantOperand()) {
     __ sub(ToOperand(left), ToInteger32Immediate(right));
   } else {
     __ sub(ToRegister(left), ToOperand(right));
   }
   if (instr->hydrogen()->CheckFlag(HValue::kCanOverflow)) {
     DeoptimizeIf(overflow, instr->environment());
   }
 }
 
 
 void LCodeGen::DoConstantI(LConstantI* instr) {
   ASSERT(instr->result()->IsRegister());
   __ Set(ToRegister(instr->result()), Immediate(instr->value()));
 }
 
 
 void LCodeGen::DoConstantD(LConstantD* instr) {
   ASSERT(instr->result()->IsDoubleRegister());
   XMMRegister res = ToDoubleRegister(instr->result());
   double v = instr->value();
   // Use xor to produce +0.0 in a fast and compact way, but avoid to
   // do so if the constant is -0.0.
   if (BitCast<uint64_t, double>(v) == 0) {
     __ xorps(res, res);
   } else {
-    Register temp = ToRegister(instr->TempAt(0));
+    Register temp = ToRegister(instr->temp());
     uint64_t int_val = BitCast<uint64_t, double>(v);
     int32_t lower = static_cast<int32_t>(int_val);
     int32_t upper = static_cast<int32_t>(int_val >> (kBitsPerInt));
     if (CpuFeatures::IsSupported(SSE4_1)) {
       CpuFeatures::Scope scope(SSE4_1);
       if (lower != 0) {
         __ Set(temp, Immediate(lower));
         __ movd(res, Operand(temp));
         __ Set(temp, Immediate(upper));
         __ pinsrd(res, Operand(temp), 1);
@@ skipping 22 matching lines @@
   if (handle->IsHeapObject()) {
     __ LoadHeapObject(reg, Handle<HeapObject>::cast(handle));
   } else {
     __ Set(reg, Immediate(handle));
   }
 }
 
 
 void LCodeGen::DoJSArrayLength(LJSArrayLength* instr) {
   Register result = ToRegister(instr->result());
-  Register array = ToRegister(instr->InputAt(0));
+  Register array = ToRegister(instr->value());
   __ mov(result, FieldOperand(array, JSArray::kLengthOffset));
 }
 
 
 void LCodeGen::DoFixedArrayBaseLength(
     LFixedArrayBaseLength* instr) {
   Register result = ToRegister(instr->result());
-  Register array = ToRegister(instr->InputAt(0));
+  Register array = ToRegister(instr->value());
   __ mov(result, FieldOperand(array, FixedArrayBase::kLengthOffset));
 }
 
 
 void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) {
   Register result = ToRegister(instr->result());
-  Register map = ToRegister(instr->InputAt(0));
+  Register map = ToRegister(instr->value());
   __ EnumLength(result, map);
 }
 
 
 void LCodeGen::DoElementsKind(LElementsKind* instr) {
   Register result = ToRegister(instr->result());
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->value());
 
   // Load map into |result|.
   __ mov(result, FieldOperand(input, HeapObject::kMapOffset));
   // Load the map's "bit field 2" into |result|. We only need the first byte,
   // but the following masking takes care of that anyway.
   __ mov(result, FieldOperand(result, Map::kBitField2Offset));
   // Retrieve elements_kind from bit field 2.
   __ and_(result, Map::kElementsKindMask);
   __ shr(result, Map::kElementsKindShift);
 }
 
 
 void LCodeGen::DoValueOf(LValueOf* instr) {
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->value());
   Register result = ToRegister(instr->result());
-  Register map = ToRegister(instr->TempAt(0));
+  Register map = ToRegister(instr->temp());
   ASSERT(input.is(result));
 
   Label done;
   // If the object is a smi return the object.
   __ JumpIfSmi(input, &done, Label::kNear);
 
   // If the object is not a value type, return the object.
   __ CmpObjectType(input, JS_VALUE_TYPE, map);
   __ j(not_equal, &done, Label::kNear);
   __ mov(result, FieldOperand(input, JSValue::kValueOffset));
 
   __ bind(&done);
 }
 
 
 void LCodeGen::DoDateField(LDateField* instr) {
-  Register object = ToRegister(instr->InputAt(0));
+  Register object = ToRegister(instr->date());
   Register result = ToRegister(instr->result());
-  Register scratch = ToRegister(instr->TempAt(0));
+  Register scratch = ToRegister(instr->temp());
   Smi* index = instr->index();
   Label runtime, done;
   ASSERT(object.is(result));
   ASSERT(object.is(eax));
 
   __ test(object, Immediate(kSmiTagMask));
   DeoptimizeIf(zero, instr->environment());
   __ CmpObjectType(object, JS_DATE_TYPE, scratch);
   DeoptimizeIf(not_equal, instr->environment());
 
@@ skipping 13 matching lines @@
     __ PrepareCallCFunction(2, scratch);
     __ mov(Operand(esp, 0), object);
     __ mov(Operand(esp, 1 * kPointerSize), Immediate(index));
     __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoBitNotI(LBitNotI* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->Equals(instr->result()));
   __ not_(ToRegister(input));
 }
 
 
 void LCodeGen::DoThrow(LThrow* instr) {
   __ push(ToOperand(instr->value()));
   ASSERT(ToRegister(instr->context()).is(esi));
   CallRuntime(Runtime::kThrow, 1, instr);
 
   if (FLAG_debug_code) {
     Comment("Unreachable code.");
     __ int3();
   }
 }
 
 
 void LCodeGen::DoAddI(LAddI* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   ASSERT(left->Equals(instr->result()));
 
   if (right->IsConstantOperand()) {
     __ add(ToOperand(left), ToInteger32Immediate(right));
   } else {
     __ add(ToRegister(left), ToOperand(right));
   }
 
   if (instr->hydrogen()->CheckFlag(HValue::kCanOverflow)) {
     DeoptimizeIf(overflow, instr->environment());
   }
 }
 
 
 void LCodeGen::DoMathMinMax(LMathMinMax* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   ASSERT(left->Equals(instr->result()));
   HMathMinMax::Operation operation = instr->hydrogen()->operation();
   if (instr->hydrogen()->representation().IsInteger32()) {
     Label return_left;
     Condition condition = (operation == HMathMinMax::kMathMin)
         ? less_equal
         : greater_equal;
     if (right->IsConstantOperand()) {
       Operand left_op = ToOperand(left);
       Immediate right_imm = ToInteger32Immediate(right);
@@ skipping 39 matching lines @@
     __ j(parity_even, &return_left, Label::kNear);  // left == NaN.
     __ bind(&return_right);
     __ movsd(left_reg, right_reg);
 
     __ bind(&return_left);
   }
 }
 
 
 void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
-  XMMRegister left = ToDoubleRegister(instr->InputAt(0));
-  XMMRegister right = ToDoubleRegister(instr->InputAt(1));
+  XMMRegister left = ToDoubleRegister(instr->left());
+  XMMRegister right = ToDoubleRegister(instr->right());
   XMMRegister result = ToDoubleRegister(instr->result());
   // Modulo uses a fixed result register.
   ASSERT(instr->op() == Token::MOD || left.is(result));
   switch (instr->op()) {
     case Token::ADD:
       __ addsd(left, right);
       break;
     case Token::SUB:
        __ subsd(left, right);
        break;
@@ skipping 65 matching lines @@
   }
 }
 
 
 void LCodeGen::DoBranch(LBranch* instr) {
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   Representation r = instr->hydrogen()->value()->representation();
   if (r.IsInteger32()) {
-    Register reg = ToRegister(instr->InputAt(0));
+    Register reg = ToRegister(instr->value());
     __ test(reg, Operand(reg));
     EmitBranch(true_block, false_block, not_zero);
   } else if (r.IsDouble()) {
-    XMMRegister reg = ToDoubleRegister(instr->InputAt(0));
+    XMMRegister reg = ToDoubleRegister(instr->value());
     __ xorps(xmm0, xmm0);
     __ ucomisd(reg, xmm0);
     EmitBranch(true_block, false_block, not_equal);
   } else {
     ASSERT(r.IsTagged());
-    Register reg = ToRegister(instr->InputAt(0));
+    Register reg = ToRegister(instr->value());
     HType type = instr->hydrogen()->value()->type();
     if (type.IsBoolean()) {
       __ cmp(reg, factory()->true_value());
       EmitBranch(true_block, false_block, equal);
     } else if (type.IsSmi()) {
       __ test(reg, Operand(reg));
       EmitBranch(true_block, false_block, not_equal);
     } else {
       Label* true_label = chunk_->GetAssemblyLabel(true_block);
       Label* false_label = chunk_->GetAssemblyLabel(false_block);
@@ skipping 27 matching lines @@
         __ j(equal, false_label);
         __ JumpIfSmi(reg, true_label);
       } else if (expected.NeedsMap()) {
         // If we need a map later and have a Smi -> deopt.
         __ test(reg, Immediate(kSmiTagMask));
         DeoptimizeIf(zero, instr->environment());
       }
 
       Register map = no_reg;  // Keep the compiler happy.
       if (expected.NeedsMap()) {
-        map = ToRegister(instr->TempAt(0));
+        map = ToRegister(instr->temp());
         ASSERT(!map.is(reg));
         __ mov(map, FieldOperand(reg, HeapObject::kMapOffset));
 
         if (expected.CanBeUndetectable()) {
           // Undetectable -> false.
           __ test_b(FieldOperand(map, Map::kBitFieldOffset),
                     1 << Map::kIsUndetectable);
           __ j(not_zero, false_label);
         }
       }
@@ skipping 72 matching lines @@
     case Token::IN:
     case Token::INSTANCEOF:
     default:
       UNREACHABLE();
   }
   return cond;
 }
 
 
 void LCodeGen::DoCmpIDAndBranch(LCmpIDAndBranch* instr) {
-  LOperand* left = instr->InputAt(0);
-  LOperand* right = instr->InputAt(1);
+  LOperand* left = instr->left();
+  LOperand* right = instr->right();
   int false_block = chunk_->LookupDestination(instr->false_block_id());
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   Condition cc = TokenToCondition(instr->op(), instr->is_double());
 
   if (left->IsConstantOperand() && right->IsConstantOperand()) {
     // We can statically evaluate the comparison.
     double left_val = ToDouble(LConstantOperand::cast(left));
     double right_val = ToDouble(LConstantOperand::cast(right));
     int next_block =
       EvalComparison(instr->op(), left_val, right_val) ? true_block
@@ skipping 15 matching lines @@
       } else {
         __ cmp(ToRegister(left), ToOperand(right));
       }
     }
     EmitBranch(true_block, false_block, cc);
   }
 }
 
 
 void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
-  Register left = ToRegister(instr->InputAt(0));
-  Operand right = ToOperand(instr->InputAt(1));
+  Register left = ToRegister(instr->left());
+  Operand right = ToOperand(instr->right());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
   int true_block = chunk_->LookupDestination(instr->true_block_id());
 
   __ cmp(left, Operand(right));
   EmitBranch(true_block, false_block, equal);
 }
 
 
 void LCodeGen::DoCmpConstantEqAndBranch(LCmpConstantEqAndBranch* instr) {
-  Register left = ToRegister(instr->InputAt(0));
+  Register left = ToRegister(instr->left());
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   __ cmp(left, instr->hydrogen()->right());
   EmitBranch(true_block, false_block, equal);
 }
 
 
 void LCodeGen::DoIsNilAndBranch(LIsNilAndBranch* instr) {
-  Register reg = ToRegister(instr->InputAt(0));
+  Register reg = ToRegister(instr->value());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   // If the expression is known to be untagged or a smi, then it's definitely
   // not null, and it can't be a an undetectable object.
   if (instr->hydrogen()->representation().IsSpecialization() ||
       instr->hydrogen()->type().IsSmi()) {
     EmitGoto(false_block);
     return;
   }
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   Handle<Object> nil_value = instr->nil() == kNullValue ?
       factory()->null_value() :
       factory()->undefined_value();
   __ cmp(reg, nil_value);
   if (instr->kind() == kStrictEquality) {
     EmitBranch(true_block, false_block, equal);
   } else {
     Handle<Object> other_nil_value = instr->nil() == kNullValue ?
         factory()->undefined_value() :
         factory()->null_value();
     Label* true_label = chunk_->GetAssemblyLabel(true_block);
     Label* false_label = chunk_->GetAssemblyLabel(false_block);
     __ j(equal, true_label);
     __ cmp(reg, other_nil_value);
     __ j(equal, true_label);
     __ JumpIfSmi(reg, false_label);
     // Check for undetectable objects by looking in the bit field in
     // the map. The object has already been smi checked.
-    Register scratch = ToRegister(instr->TempAt(0));
+    Register scratch = ToRegister(instr->temp());
     __ mov(scratch, FieldOperand(reg, HeapObject::kMapOffset));
     __ movzx_b(scratch, FieldOperand(scratch, Map::kBitFieldOffset));
     __ test(scratch, Immediate(1 << Map::kIsUndetectable));
     EmitBranch(true_block, false_block, not_zero);
   }
 }
 
 
 Condition LCodeGen::EmitIsObject(Register input,
                                  Register temp1,
@@ skipping 12 matching lines @@
 
   __ movzx_b(temp1, FieldOperand(temp1, Map::kInstanceTypeOffset));
   __ cmp(temp1, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE);
   __ j(below, is_not_object);
   __ cmp(temp1, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
   return below_equal;
 }
 
 
 void LCodeGen::DoIsObjectAndBranch(LIsObjectAndBranch* instr) {
-  Register reg = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register reg = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
   Label* true_label = chunk_->GetAssemblyLabel(true_block);
   Label* false_label = chunk_->GetAssemblyLabel(false_block);
 
   Condition true_cond = EmitIsObject(reg, temp, false_label, true_label);
 
   EmitBranch(true_block, false_block, true_cond);
 }
 
 
 Condition LCodeGen::EmitIsString(Register input,
                                  Register temp1,
                                  Label* is_not_string) {
   __ JumpIfSmi(input, is_not_string);
 
   Condition cond = masm_->IsObjectStringType(input, temp1, temp1);
 
   return cond;
 }
 
 
 void LCodeGen::DoIsStringAndBranch(LIsStringAndBranch* instr) {
-  Register reg = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register reg = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
   Label* false_label = chunk_->GetAssemblyLabel(false_block);
 
   Condition true_cond = EmitIsString(reg, temp, false_label);
 
   EmitBranch(true_block, false_block, true_cond);
 }
 
 
 void LCodeGen::DoIsSmiAndBranch(LIsSmiAndBranch* instr) {
-  Operand input = ToOperand(instr->InputAt(0));
+  Operand input = ToOperand(instr->value());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   __ test(input, Immediate(kSmiTagMask));
   EmitBranch(true_block, false_block, zero);
 }
 
 
 void LCodeGen::DoIsUndetectableAndBranch(LIsUndetectableAndBranch* instr) {
-  Register input = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register input = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   STATIC_ASSERT(kSmiTag == 0);
   __ JumpIfSmi(input, chunk_->GetAssemblyLabel(false_block));
   __ mov(temp, FieldOperand(input, HeapObject::kMapOffset));
   __ test_b(FieldOperand(temp, Map::kBitFieldOffset),
             1 << Map::kIsUndetectable);
   EmitBranch(true_block, false_block, not_zero);
@@ skipping 49 matching lines @@
   InstanceType to = instr->to();
   if (from == to) return equal;
   if (to == LAST_TYPE) return above_equal;
   if (from == FIRST_TYPE) return below_equal;
   UNREACHABLE();
   return equal;
 }
 
 
 void LCodeGen::DoHasInstanceTypeAndBranch(LHasInstanceTypeAndBranch* instr) {
-  Register input = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register input = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   Label* false_label = chunk_->GetAssemblyLabel(false_block);
 
   __ JumpIfSmi(input, false_label);
 
   __ CmpObjectType(input, TestType(instr->hydrogen()), temp);
   EmitBranch(true_block, false_block, BranchCondition(instr->hydrogen()));
 }
 
 
 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->value());
   Register result = ToRegister(instr->result());
 
   __ AbortIfNotString(input);
 
   __ mov(result, FieldOperand(input, String::kHashFieldOffset));
   __ IndexFromHash(result, result);
 }
 
 
 void LCodeGen::DoHasCachedArrayIndexAndBranch(
     LHasCachedArrayIndexAndBranch* instr) {
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->value());
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   __ test(FieldOperand(input, String::kHashFieldOffset),
           Immediate(String::kContainsCachedArrayIndexMask));
   EmitBranch(true_block, false_block, equal);
 }
 
 
@@ skipping 56 matching lines @@
   // booted.  This routine isn't expected to work for random API-created
   // classes and it doesn't have to because you can't access it with natives
   // syntax.  Since both sides are symbols it is sufficient to use an identity
   // comparison.
   __ cmp(temp, class_name);
   // End with the answer in the z flag.
 }
 
 
 void LCodeGen::DoClassOfTestAndBranch(LClassOfTestAndBranch* instr) {
-  Register input = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
-  Register temp2 = ToRegister(instr->TempAt(1));
+  Register input = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
+  Register temp2 = ToRegister(instr->temp2());
 
   Handle<String> class_name = instr->hydrogen()->class_name();
 
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   Label* true_label = chunk_->GetAssemblyLabel(true_block);
   Label* false_label = chunk_->GetAssemblyLabel(false_block);
 
   EmitClassOfTest(true_label, false_label, class_name, input, temp, temp2);
 
   EmitBranch(true_block, false_block, equal);
 }
 
 
 void LCodeGen::DoCmpMapAndBranch(LCmpMapAndBranch* instr) {
-  Register reg = ToRegister(instr->InputAt(0));
+  Register reg = ToRegister(instr->value());
   int true_block = instr->true_block_id();
   int false_block = instr->false_block_id();
 
   __ cmp(FieldOperand(reg, HeapObject::kMapOffset), instr->map());
   EmitBranch(true_block, false_block, equal);
 }
 
 
 void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
   // Object and function are in fixed registers defined by the stub.
@@ skipping 25 matching lines @@
     Label* map_check() { return &map_check_; }
    private:
     LInstanceOfKnownGlobal* instr_;
     Label map_check_;
   };
 
   DeferredInstanceOfKnownGlobal* deferred;
   deferred = new(zone()) DeferredInstanceOfKnownGlobal(this, instr);
 
   Label done, false_result;
-  Register object = ToRegister(instr->InputAt(1));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register object = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   // A Smi is not an instance of anything.
   __ JumpIfSmi(object, &false_result);
 
   // This is the inlined call site instanceof cache. The two occurences of the
   // hole value will be patched to the last map/result pair generated by the
   // instanceof stub.
   Label cache_miss;
-  Register map = ToRegister(instr->TempAt(0));
+  Register map = ToRegister(instr->temp());
   __ mov(map, FieldOperand(object, HeapObject::kMapOffset));
   __ bind(deferred->map_check());  // Label for calculating code patching.
   Handle<JSGlobalPropertyCell> cache_cell =
       factory()->NewJSGlobalPropertyCell(factory()->the_hole_value());
   __ cmp(map, Operand::Cell(cache_cell));  // Patched to cached map.
   __ j(not_equal, &cache_miss, Label::kNear);
   __ mov(eax, factory()->the_hole_value());  // Patched to either true or false.
   __ jmp(&done);
 
   // The inlined call site cache did not match. Check for null and string
@@ skipping 30 matching lines @@
   flags = static_cast<InstanceofStub::Flags>(
       flags | InstanceofStub::kCallSiteInlineCheck);
   flags = static_cast<InstanceofStub::Flags>(
       flags | InstanceofStub::kReturnTrueFalseObject);
   InstanceofStub stub(flags);
 
   // Get the temp register reserved by the instruction. This needs to be a
   // register which is pushed last by PushSafepointRegisters as top of the
   // stack is used to pass the offset to the location of the map check to
   // the stub.
-  Register temp = ToRegister(instr->TempAt(0));
+  Register temp = ToRegister(instr->temp());
   ASSERT(MacroAssembler::SafepointRegisterStackIndex(temp) == 0);
   __ LoadHeapObject(InstanceofStub::right(), instr->function());
   static const int kAdditionalDelta = 13;
   int delta = masm_->SizeOfCodeGeneratedSince(map_check) + kAdditionalDelta;
   __ mov(temp, Immediate(delta));
   __ StoreToSafepointRegisterSlot(temp, temp);
   CallCodeGeneric(stub.GetCode(),
                   RelocInfo::CODE_TARGET,
                   instr,
                   RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS);
@@ skipping 146 matching lines @@
     } else {
       __ j(not_equal, &skip_assignment, Label::kNear);
     }
   }
 
   __ mov(target, value);
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     HType type = instr->hydrogen()->value()->type();
     SmiCheck check_needed =
         type.IsHeapObject() ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
-    Register temp = ToRegister(instr->TempAt(0));
+    Register temp = ToRegister(instr->temp());
     int offset = Context::SlotOffset(instr->slot_index());
     __ RecordWriteContextSlot(context,
                               offset,
                               value,
                               temp,
                               kSaveFPRegs,
                               EMIT_REMEMBERED_SET,
                               check_needed);
   }
 
@@ skipping 144 matching lines @@
   ASSERT(ToRegister(instr->result()).is(eax));
 
   __ mov(ecx, instr->name());
   Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
   Register function = ToRegister(instr->function());
-  Register temp = ToRegister(instr->TempAt(0));
+  Register temp = ToRegister(instr->temp());
   Register result = ToRegister(instr->result());
 
   // Check that the function really is a function.
   __ CmpObjectType(function, JS_FUNCTION_TYPE, result);
   DeoptimizeIf(not_equal, instr->environment());
 
   // Check whether the function has an instance prototype.
   Label non_instance;
   __ test_b(FieldOperand(result, Map::kBitFieldOffset),
             1 << Map::kHasNonInstancePrototype);
@@ skipping 21 matching lines @@
   __ bind(&non_instance);
   __ mov(result, FieldOperand(result, Map::kConstructorOffset));
 
   // All done.
   __ bind(&done);
 }
 
 
 void LCodeGen::DoLoadElements(LLoadElements* instr) {
   Register result = ToRegister(instr->result());
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->object());
   __ mov(result, FieldOperand(input, JSObject::kElementsOffset));
   if (FLAG_debug_code) {
     Label done, ok, fail;
     __ cmp(FieldOperand(result, HeapObject::kMapOffset),
            Immediate(factory()->fixed_array_map()));
     __ j(equal, &done, Label::kNear);
     __ cmp(FieldOperand(result, HeapObject::kMapOffset),
            Immediate(factory()->fixed_cow_array_map()));
     __ j(equal, &done, Label::kNear);
     Register temp((result.is(eax)) ? ebx : eax);
@@ skipping 15 matching lines @@
     __ bind(&ok);
     __ pop(temp);
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoLoadExternalArrayPointer(
     LLoadExternalArrayPointer* instr) {
   Register result = ToRegister(instr->result());
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->object());
   __ mov(result, FieldOperand(input,
                               ExternalArray::kExternalPointerOffset));
 }
 
 
 void LCodeGen::DoAccessArgumentsAt(LAccessArgumentsAt* instr) {
   Register arguments = ToRegister(instr->arguments());
   Register length = ToRegister(instr->length());
   Operand index = ToOperand(instr->index());
   Register result = ToRegister(instr->result());
@@ skipping 192 matching lines @@
     __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
 
     // Result is the frame pointer for the frame if not adapted and for the real
     // frame below the adaptor frame if adapted.
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoArgumentsLength(LArgumentsLength* instr) {
-  Operand elem = ToOperand(instr->InputAt(0));
+  Operand elem = ToOperand(instr->elements());
   Register result = ToRegister(instr->result());
 
   Label done;
 
   // If no arguments adaptor frame the number of arguments is fixed.
   __ cmp(ebp, elem);
   __ mov(result, Immediate(scope()->num_parameters()));
   __ j(equal, &done, Label::kNear);
 
   // Arguments adaptor frame present. Get argument length from there.
   __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
   __ mov(result, Operand(result,
                          ArgumentsAdaptorFrameConstants::kLengthOffset));
   __ SmiUntag(result);
 
   // Argument length is in result register.
   __ bind(&done);
 }
 
 
 void LCodeGen::DoWrapReceiver(LWrapReceiver* instr) {
   Register receiver = ToRegister(instr->receiver());
   Register function = ToRegister(instr->function());
-  Register scratch = ToRegister(instr->TempAt(0));
+  Register scratch = ToRegister(instr->temp());
 
   // If the receiver is null or undefined, we have to pass the global
   // object as a receiver to normal functions. Values have to be
   // passed unchanged to builtins and strict-mode functions.
   Label global_object, receiver_ok;
 
   // Do not transform the receiver to object for strict mode
   // functions.
   __ mov(scratch,
          FieldOperand(function, JSFunction::kSharedFunctionInfoOffset));
@@ skipping 67 matching lines @@
   RecordPosition(pointers->position());
   SafepointGenerator safepoint_generator(
       this, pointers, Safepoint::kLazyDeopt);
   ParameterCount actual(eax);
   __ InvokeFunction(function, actual, CALL_FUNCTION,
                     safepoint_generator, CALL_AS_METHOD);
 }
 
 
 void LCodeGen::DoPushArgument(LPushArgument* instr) {
-  LOperand* argument = instr->InputAt(0);
+  LOperand* argument = instr->value();
   EmitPushTaggedOperand(argument);
 }
 
 
 void LCodeGen::DoDrop(LDrop* instr) {
   __ Drop(instr->count());
 }
 
 
 void LCodeGen::DoThisFunction(LThisFunction* instr) {
@@ skipping 10 matching lines @@
 
 void LCodeGen::DoOuterContext(LOuterContext* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ mov(result,
          Operand(context, Context::SlotOffset(Context::PREVIOUS_INDEX)));
 }
 
 
 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
-  ASSERT(ToRegister(instr->InputAt(0)).is(esi));
+  ASSERT(ToRegister(instr->context()).is(esi));
   __ push(esi);  // The context is the first argument.
   __ push(Immediate(instr->hydrogen()->pairs()));
   __ push(Immediate(Smi::FromInt(instr->hydrogen()->flags())));
   CallRuntime(Runtime::kDeclareGlobals, 3, instr);
 }
 
 
 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
@@ skipping 312 matching lines @@
   __ addsd(input_reg, xmm_scratch);  // Convert -0 to +0.
   __ sqrtsd(input_reg, input_reg);
   __ bind(&done);
 }
 
 
 void LCodeGen::DoPower(LPower* instr) {
   Representation exponent_type = instr->hydrogen()->right()->representation();
   // Having marked this as a call, we can use any registers.
   // Just make sure that the input/output registers are the expected ones.
-  ASSERT(!instr->InputAt(1)->IsDoubleRegister() ||
-         ToDoubleRegister(instr->InputAt(1)).is(xmm1));
-  ASSERT(!instr->InputAt(1)->IsRegister() ||
-         ToRegister(instr->InputAt(1)).is(eax));
-  ASSERT(ToDoubleRegister(instr->InputAt(0)).is(xmm2));
+  ASSERT(!instr->right()->IsDoubleRegister() ||
+         ToDoubleRegister(instr->right()).is(xmm1));
+  ASSERT(!instr->right()->IsRegister() ||
+         ToRegister(instr->right()).is(eax));
+  ASSERT(ToDoubleRegister(instr->left()).is(xmm2));
   ASSERT(ToDoubleRegister(instr->result()).is(xmm3));
 
   if (exponent_type.IsTagged()) {
     Label no_deopt;
     __ JumpIfSmi(eax, &no_deopt);
     __ CmpObjectType(eax, HEAP_NUMBER_TYPE, ecx);
     DeoptimizeIf(not_equal, instr->environment());
     __ bind(&no_deopt);
     MathPowStub stub(MathPowStub::TAGGED);
     __ CallStub(&stub);
@@ skipping 17 matching lines @@
     virtual LInstruction* instr() { return instr_; }
    private:
     LRandom* instr_;
   };
 
   DeferredDoRandom* deferred = new(zone()) DeferredDoRandom(this, instr);
 
   // Having marked this instruction as a call we can use any
   // registers.
   ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
-  ASSERT(ToRegister(instr->InputAt(0)).is(eax));
+  ASSERT(ToRegister(instr->global_object()).is(eax));
   // Assert that the register size is indeed the size of each seed.
   static const int kSeedSize = sizeof(uint32_t);
   STATIC_ASSERT(kPointerSize == kSeedSize);
 
   __ mov(eax, FieldOperand(eax, GlobalObject::kNativeContextOffset));
   static const int kRandomSeedOffset =
       FixedArray::kHeaderSize + Context::RANDOM_SEED_INDEX * kPointerSize;
   __ mov(ebx, FieldOperand(eax, kRandomSeedOffset));
   // ebx: FixedArray of the native context's random seeds
 
@@ skipping 236 matching lines @@
 
 void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   Register object = ToRegister(instr->object());
   Register value = ToRegister(instr->value());
   int offset = instr->offset();
 
   if (!instr->transition().is_null()) {
     if (!instr->hydrogen()->NeedsWriteBarrierForMap()) {
       __ mov(FieldOperand(object, HeapObject::kMapOffset), instr->transition());
     } else {
-      Register temp = ToRegister(instr->TempAt(0));
-      Register temp_map = ToRegister(instr->TempAt(1));
+      Register temp = ToRegister(instr->temp());
+      Register temp_map = ToRegister(instr->temp_map());
       __ mov(temp_map, instr->transition());
       __ mov(FieldOperand(object, HeapObject::kMapOffset), temp_map);
       // Update the write barrier for the map field.
       __ RecordWriteField(object,
                           HeapObject::kMapOffset,
                           temp_map,
                           temp,
                           kSaveFPRegs,
                           OMIT_REMEMBERED_SET,
                           OMIT_SMI_CHECK);
     }
   }
 
   // Do the store.
   HType type = instr->hydrogen()->value()->type();
   SmiCheck check_needed =
       type.IsHeapObject() ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
   if (instr->is_in_object()) {
     __ mov(FieldOperand(object, offset), value);
     if (instr->hydrogen()->NeedsWriteBarrier()) {
-      Register temp = ToRegister(instr->TempAt(0));
+      Register temp = ToRegister(instr->temp());
       // Update the write barrier for the object for in-object properties.
       __ RecordWriteField(object,
                           offset,
                           value,
                           temp,
                           kSaveFPRegs,
                           EMIT_REMEMBERED_SET,
                           check_needed);
     }
   } else {
-    Register temp = ToRegister(instr->TempAt(0));
+    Register temp = ToRegister(instr->temp());
     __ mov(temp, FieldOperand(object, JSObject::kPropertiesOffset));
     __ mov(FieldOperand(temp, offset), value);
     if (instr->hydrogen()->NeedsWriteBarrier()) {
       // Update the write barrier for the properties array.
       // object is used as a scratch register.
       __ RecordWriteField(temp,
                           offset,
                           value,
                           object,
                           kSaveFPRegs,
@@ skipping 175 matching lines @@
 
   Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
       ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()
       : isolate()->builtins()->KeyedStoreIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
   Register object_reg = ToRegister(instr->object());
-  Register new_map_reg = ToRegister(instr->new_map_reg());
+  Register new_map_reg = ToRegister(instr->new_map_temp());
 
   Handle<Map> from_map = instr->original_map();
   Handle<Map> to_map = instr->transitioned_map();
   ElementsKind from_kind = from_map->elements_kind();
   ElementsKind to_kind = to_map->elements_kind();
 
   Label not_applicable;
   bool is_simple_map_transition =
       IsSimpleMapChangeTransition(from_kind, to_kind);
   Label::Distance branch_distance =
       is_simple_map_transition ? Label::kNear : Label::kFar;
   __ cmp(FieldOperand(object_reg, HeapObject::kMapOffset), from_map);
   __ j(not_equal, &not_applicable, branch_distance);
   if (is_simple_map_transition) {
     Register object_reg = ToRegister(instr->object());
     Handle<Map> map = instr->hydrogen()->transitioned_map();
     __ mov(FieldOperand(object_reg, HeapObject::kMapOffset),
            Immediate(map));
     // Write barrier.
-    ASSERT_NE(instr->temp_reg(), NULL);
+    ASSERT_NE(instr->temp(), NULL);
     __ RecordWriteForMap(object_reg, to_map, new_map_reg,
-                         ToRegister(instr->temp_reg()),
+                         ToRegister(instr->temp()),
                          kDontSaveFPRegs);
   } else if (IsFastSmiElementsKind(from_kind) &&
              IsFastDoubleElementsKind(to_kind)) {
     __ mov(new_map_reg, to_map);
-    Register fixed_object_reg = ToRegister(instr->temp_reg());
+    Register fixed_object_reg = ToRegister(instr->temp());
     ASSERT(fixed_object_reg.is(edx));
     ASSERT(new_map_reg.is(ebx));
     __ mov(fixed_object_reg, object_reg);
     CallCode(isolate()->builtins()->TransitionElementsSmiToDouble(),
              RelocInfo::CODE_TARGET, instr);
   } else if (IsFastDoubleElementsKind(from_kind) &&
              IsFastObjectElementsKind(to_kind)) {
     __ mov(new_map_reg, to_map);
-    Register fixed_object_reg = ToRegister(instr->temp_reg());
+    Register fixed_object_reg = ToRegister(instr->temp());
     ASSERT(fixed_object_reg.is(edx));
     ASSERT(new_map_reg.is(ebx));
     __ mov(fixed_object_reg, object_reg);
     CallCode(isolate()->builtins()->TransitionElementsDoubleToObject(),
              RelocInfo::CODE_TARGET, instr);
   } else {
     UNREACHABLE();
   }
   __ bind(&not_applicable);
 }
@@ skipping 112 matching lines @@
 
 void LCodeGen::DoStringAdd(LStringAdd* instr) {
   EmitPushTaggedOperand(instr->left());
   EmitPushTaggedOperand(instr->right());
   StringAddStub stub(NO_STRING_CHECK_IN_STUB);
   CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoInteger32ToDouble(LInteger32ToDouble* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister() || input->IsStackSlot());
   LOperand* output = instr->result();
   ASSERT(output->IsDoubleRegister());
   __ cvtsi2sd(ToDoubleRegister(output), ToOperand(input));
 }
 
 
 void LCodeGen::DoUint32ToDouble(LUint32ToDouble* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   LOperand* output = instr->result();
-  LOperand* temp = instr->TempAt(0);
+  LOperand* temp = instr->temp();
 
   __ LoadUint32(ToDoubleRegister(output),
                 ToRegister(input),
                 ToDoubleRegister(temp));
 }
 
 
 void LCodeGen::DoNumberTagI(LNumberTagI* instr) {
   class DeferredNumberTagI: public LDeferredCode {
    public:
     DeferredNumberTagI(LCodeGen* codegen, LNumberTagI* instr)
         : LDeferredCode(codegen), instr_(instr) { }
     virtual void Generate() {
-      codegen()->DoDeferredNumberTagI(instr_,
-                                      instr_->InputAt(0),
-                                      SIGNED_INT32);
+      codegen()->DoDeferredNumberTagI(instr_, instr_->value(), SIGNED_INT32);
     }
     virtual LInstruction* instr() { return instr_; }
    private:
     LNumberTagI* instr_;
   };
 
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister() && input->Equals(instr->result()));
   Register reg = ToRegister(input);
 
   DeferredNumberTagI* deferred = new(zone()) DeferredNumberTagI(this, instr);
   __ SmiTag(reg);
   __ j(overflow, deferred->entry());
   __ bind(deferred->exit());
 }
 
 
 void LCodeGen::DoNumberTagU(LNumberTagU* instr) {
   class DeferredNumberTagU: public LDeferredCode {
    public:
     DeferredNumberTagU(LCodeGen* codegen, LNumberTagU* instr)
         : LDeferredCode(codegen), instr_(instr) { }
     virtual void Generate() {
-      codegen()->DoDeferredNumberTagI(instr_,
-                                      instr_->InputAt(0),
-                                      UNSIGNED_INT32);
+      codegen()->DoDeferredNumberTagI(instr_, instr_->value(), UNSIGNED_INT32);
     }
     virtual LInstruction* instr() { return instr_; }
    private:
     LNumberTagU* instr_;
   };
 
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister() && input->Equals(instr->result()));
   Register reg = ToRegister(input);
 
   DeferredNumberTagU* deferred = new(zone()) DeferredNumberTagU(this, instr);
   __ cmp(reg, Immediate(Smi::kMaxValue));
   __ j(above, deferred->entry());
   __ SmiTag(reg);
   __ bind(deferred->exit());
 }
 
@@ skipping 56 matching lines @@
   class DeferredNumberTagD: public LDeferredCode {
    public:
     DeferredNumberTagD(LCodeGen* codegen, LNumberTagD* instr)
         : LDeferredCode(codegen), instr_(instr) { }
     virtual void Generate() { codegen()->DoDeferredNumberTagD(instr_); }
     virtual LInstruction* instr() { return instr_; }
    private:
     LNumberTagD* instr_;
   };
 
-  XMMRegister input_reg = ToDoubleRegister(instr->InputAt(0));
+  XMMRegister input_reg = ToDoubleRegister(instr->value());
   Register reg = ToRegister(instr->result());
-  Register tmp = ToRegister(instr->TempAt(0));
+  Register tmp = ToRegister(instr->temp());
 
   DeferredNumberTagD* deferred = new(zone()) DeferredNumberTagD(this, instr);
   if (FLAG_inline_new) {
     __ AllocateHeapNumber(reg, tmp, no_reg, deferred->entry());
   } else {
     __ jmp(deferred->entry());
   }
   __ bind(deferred->exit());
   __ movdbl(FieldOperand(reg, HeapNumber::kValueOffset), input_reg);
 }
@@ skipping 14 matching lines @@
   // not have easy access to the local context.
   __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
   __ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
   RecordSafepointWithRegisters(
       instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);
   __ StoreToSafepointRegisterSlot(reg, eax);
 }
 
 
 void LCodeGen::DoSmiTag(LSmiTag* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister() && input->Equals(instr->result()));
   ASSERT(!instr->hydrogen_value()->CheckFlag(HValue::kCanOverflow));
   __ SmiTag(ToRegister(input));
 }
 
 
 void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister() && input->Equals(instr->result()));
   if (instr->needs_check()) {
     __ test(ToRegister(input), Immediate(kSmiTagMask));
     DeoptimizeIf(not_zero, instr->environment());
   } else {
     if (FLAG_debug_code) {
       __ AbortIfNotSmi(ToRegister(input));
     }
   }
   __ SmiUntag(ToRegister(input));
@@ skipping 48 matching lines @@
   __ bind(&load_smi);
   __ SmiUntag(input_reg);  // Untag smi before converting to float.
   __ cvtsi2sd(result_reg, Operand(input_reg));
   __ SmiTag(input_reg);  // Retag smi.
   __ bind(&done);
 }
 
 
 void LCodeGen::DoDeferredTaggedToI(LTaggedToI* instr) {
   Label done, heap_number;
-  Register input_reg = ToRegister(instr->InputAt(0));
+  Register input_reg = ToRegister(instr->value());
 
   // Heap number map check.
   __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
          factory()->heap_number_map());
 
   if (instr->truncating()) {
     __ j(equal, &heap_number, Label::kNear);
     // Check for undefined. Undefined is converted to zero for truncating
     // conversions.
     __ cmp(input_reg, factory()->undefined_value());
@@ skipping 20 matching lines @@
       DeoptimizeIf(no_condition, instr->environment());
 
       // Reserve space for 64 bit answer.
       __ bind(&convert);
       __ sub(Operand(esp), Immediate(kDoubleSize));
       // Do conversion, which cannot fail because we checked the exponent.
       __ fisttp_d(Operand(esp, 0));
       __ mov(input_reg, Operand(esp, 0));  // Low word of answer is the result.
       __ add(Operand(esp), Immediate(kDoubleSize));
     } else {
-      XMMRegister xmm_temp = ToDoubleRegister(instr->TempAt(0));
+      XMMRegister xmm_temp = ToDoubleRegister(instr->temp());
       __ movdbl(xmm0, FieldOperand(input_reg, HeapNumber::kValueOffset));
       __ cvttsd2si(input_reg, Operand(xmm0));
       __ cmp(input_reg, 0x80000000u);
       __ j(not_equal, &done);
       // Check if the input was 0x8000000 (kMinInt).
       // If no, then we got an overflow and we deoptimize.
       ExternalReference min_int = ExternalReference::address_of_min_int();
       __ movdbl(xmm_temp, Operand::StaticVariable(min_int));
       __ ucomisd(xmm_temp, xmm0);
       DeoptimizeIf(not_equal, instr->environment());
       DeoptimizeIf(parity_even, instr->environment());  // NaN.
     }
   } else {
     // Deoptimize if we don't have a heap number.
     DeoptimizeIf(not_equal, instr->environment());
 
-    XMMRegister xmm_temp = ToDoubleRegister(instr->TempAt(0));
+    XMMRegister xmm_temp = ToDoubleRegister(instr->temp());
     __ movdbl(xmm0, FieldOperand(input_reg, HeapNumber::kValueOffset));
     __ cvttsd2si(input_reg, Operand(xmm0));
     __ cvtsi2sd(xmm_temp, Operand(input_reg));
     __ ucomisd(xmm0, xmm_temp);
     DeoptimizeIf(not_equal, instr->environment());
     DeoptimizeIf(parity_even, instr->environment());  // NaN.
     if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
       __ test(input_reg, Operand(input_reg));
       __ j(not_zero, &done);
       __ movmskpd(input_reg, xmm0);
       __ and_(input_reg, 1);
       DeoptimizeIf(not_zero, instr->environment());
     }
   }
   __ bind(&done);
 }
 
 
 void LCodeGen::DoTaggedToI(LTaggedToI* instr) {
   class DeferredTaggedToI: public LDeferredCode {
    public:
     DeferredTaggedToI(LCodeGen* codegen, LTaggedToI* instr)
         : LDeferredCode(codegen), instr_(instr) { }
     virtual void Generate() { codegen()->DoDeferredTaggedToI(instr_); }
     virtual LInstruction* instr() { return instr_; }
    private:
     LTaggedToI* instr_;
   };
 
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister());
   ASSERT(input->Equals(instr->result()));
 
   Register input_reg = ToRegister(input);
 
   DeferredTaggedToI* deferred = new(zone()) DeferredTaggedToI(this, instr);
 
   // Smi check.
   __ JumpIfNotSmi(input_reg, deferred->entry());
 
   // Smi to int32 conversion
   __ SmiUntag(input_reg);  // Untag smi.
 
   __ bind(deferred->exit());
 }
 
 
 void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister());
-  LOperand* temp = instr->TempAt(0);
+  LOperand* temp = instr->temp();
   ASSERT(temp == NULL || temp->IsRegister());
   LOperand* result = instr->result();
   ASSERT(result->IsDoubleRegister());
 
   Register input_reg = ToRegister(input);
   XMMRegister result_reg = ToDoubleRegister(result);
 
   bool deoptimize_on_minus_zero =
       instr->hydrogen()->deoptimize_on_minus_zero();
   Register temp_reg = deoptimize_on_minus_zero ? ToRegister(temp) : no_reg;
 
   EmitNumberUntagD(input_reg,
                    temp_reg,
                    result_reg,
                    instr->hydrogen()->deoptimize_on_undefined(),
                    deoptimize_on_minus_zero,
                    instr->environment());
 }
 
 
 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsDoubleRegister());
   LOperand* result = instr->result();
   ASSERT(result->IsRegister());
 
   XMMRegister input_reg = ToDoubleRegister(input);
   Register result_reg = ToRegister(result);
 
   if (instr->truncating()) {
     // Performs a truncating conversion of a floating point number as used by
     // the JS bitwise operations.
@@ skipping 17 matching lines @@
       DeoptimizeIf(no_condition, instr->environment());
       __ bind(&convert);
       // Do conversion, which cannot fail because we checked the exponent.
       __ fld_d(Operand(esp, 0));
       __ fisttp_d(Operand(esp, 0));
       __ mov(result_reg, Operand(esp, 0));  // Low word of answer is the result.
       __ add(Operand(esp), Immediate(kDoubleSize));
       __ bind(&done);
     } else {
       Label done;
-      Register temp_reg = ToRegister(instr->TempAt(0));
+      Register temp_reg = ToRegister(instr->temp());
       XMMRegister xmm_scratch = xmm0;
 
       // If cvttsd2si succeeded, we're done. Otherwise, we attempt
       // manual conversion.
       __ j(not_equal, &done, Label::kNear);
 
       // Get high 32 bits of the input in result_reg and temp_reg.
       __ pshufd(xmm_scratch, input_reg, 1);
       __ movd(Operand(temp_reg), xmm_scratch);
       __ mov(result_reg, temp_reg);
@@ skipping 58 matching lines @@
       // deoptimize.
       __ and_(result_reg, 1);
       DeoptimizeIf(not_zero, instr->environment());
     }
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   __ test(ToOperand(input), Immediate(kSmiTagMask));
   DeoptimizeIf(not_zero, instr->environment());
 }
 
 
 void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   __ test(ToOperand(input), Immediate(kSmiTagMask));
   DeoptimizeIf(zero, instr->environment());
 }
 
 
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
-  Register input = ToRegister(instr->InputAt(0));
-  Register temp = ToRegister(instr->TempAt(0));
+  Register input = ToRegister(instr->value());
+  Register temp = ToRegister(instr->temp());
 
   __ mov(temp, FieldOperand(input, HeapObject::kMapOffset));
 
   if (instr->hydrogen()->is_interval_check()) {
     InstanceType first;
     InstanceType last;
     instr->hydrogen()->GetCheckInterval(&first, &last);
 
     __ cmpb(FieldOperand(temp, Map::kInstanceTypeOffset),
             static_cast<int8_t>(first));
@@ skipping 49 matching lines @@
                                 CompareMapMode mode,
                                 LEnvironment* env) {
   Label success;
   __ CompareMap(reg, map, &success, mode);
   DeoptimizeIf(not_equal, env);
   __ bind(&success);
 }
 
 
 void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
-  LOperand* input = instr->InputAt(0);
+  LOperand* input = instr->value();
   ASSERT(input->IsRegister());
   Register reg = ToRegister(input);
 
   Label success;
   SmallMapList* map_set = instr->hydrogen()->map_set();
   for (int i = 0; i < map_set->length() - 1; i++) {
     Handle<Map> map = map_set->at(i);
     __ CompareMap(reg, map, &success, REQUIRE_EXACT_MAP);
     __ j(equal, &success);
   }
@@ skipping 45 matching lines @@
   // smi
   __ bind(&is_smi);
   __ SmiUntag(input_reg);
   __ ClampUint8(input_reg);
 
   __ bind(&done);
 }
 
 
 void LCodeGen::DoCheckPrototypeMaps(LCheckPrototypeMaps* instr) {
-  Register reg = ToRegister(instr->TempAt(0));
+  Register reg = ToRegister(instr->temp());
 
   Handle<JSObject> holder = instr->holder();
   Handle<JSObject> current_prototype = instr->prototype();
 
   // Load prototype object.
   __ LoadHeapObject(reg, current_prototype);
 
   // Check prototype maps up to the holder.
   while (!current_prototype.is_identical_to(holder)) {
     DoCheckMapCommon(reg, Handle<Map>(current_prototype->map()),
@@ skipping 19 matching lines @@
     virtual void Generate() { codegen()->DoDeferredAllocateObject(instr_); }
     virtual LInstruction* instr() { return instr_; }
    private:
     LAllocateObject* instr_;
   };
 
   DeferredAllocateObject* deferred =
       new(zone()) DeferredAllocateObject(this, instr);
 
   Register result = ToRegister(instr->result());
-  Register scratch = ToRegister(instr->TempAt(0));
+  Register scratch = ToRegister(instr->temp());
   Handle<JSFunction> constructor = instr->hydrogen()->constructor();
   Handle<Map> initial_map(constructor->initial_map());
   int instance_size = initial_map->instance_size();
   ASSERT(initial_map->pre_allocated_property_fields() +
          initial_map->unused_property_fields() -
          initial_map->inobject_properties() == 0);
 
   // Allocate memory for the object.  The initial map might change when
   // the constructor's prototype changes, but instance size and property
   // counts remain unchanged (if slack tracking finished).
@@ skipping 298 matching lines @@
       properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) {
     CallRuntime(Runtime::kCreateObjectLiteralShallow, 4, instr);
   } else {
     FastCloneShallowObjectStub stub(properties_count);
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   }
 }
 
 
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
-  ASSERT(ToRegister(instr->InputAt(0)).is(eax));
+  ASSERT(ToRegister(instr->value()).is(eax));
   __ push(eax);
   CallRuntime(Runtime::kToFastProperties, 1, instr);
 }
 
 
 void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   Label materialized;
   // Registers will be used as follows:
   // ecx = literals array.
@@ skipping 59 matching lines @@
     __ push(Immediate(shared_info));
     __ push(Immediate(pretenure
                       ? factory()->true_value()
                       : factory()->false_value()));
     CallRuntime(Runtime::kNewClosure, 3, instr);
   }
 }
 
 
 void LCodeGen::DoTypeof(LTypeof* instr) {
-  LOperand* input = instr->InputAt(1);
+  LOperand* input = instr->value();
   EmitPushTaggedOperand(input);
   CallRuntime(Runtime::kTypeof, 1, instr);
 }
 
 
 void LCodeGen::DoTypeofIsAndBranch(LTypeofIsAndBranch* instr) {
-  Register input = ToRegister(instr->InputAt(0));
+  Register input = ToRegister(instr->value());
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
   Label* true_label = chunk_->GetAssemblyLabel(true_block);
   Label* false_label = chunk_->GetAssemblyLabel(false_block);
 
   Condition final_branch_condition =
       EmitTypeofIs(true_label, false_label, input, instr->type_literal());
   if (final_branch_condition != no_condition) {
     EmitBranch(true_block, false_block, final_branch_condition);
   }
@@ skipping 63 matching lines @@
     final_branch_condition = zero;
 
   } else {
     __ jmp(false_label);
   }
   return final_branch_condition;
 }
 
 
 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) {
-  Register temp = ToRegister(instr->TempAt(0));
+  Register temp = ToRegister(instr->temp());
   int true_block = chunk_->LookupDestination(instr->true_block_id());
   int false_block = chunk_->LookupDestination(instr->false_block_id());
 
   EmitIsConstructCall(temp);
   EmitBranch(true_block, false_block, equal);
 }
 
 
 void LCodeGen::EmitIsConstructCall(Register temp) {
   // Get the frame pointer for the calling frame.
@@ skipping 237 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32