Line data    Source code

       1             : // Copyright 2012 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #ifndef V8_CRANKSHAFT_LITHIUM_INL_H_
       6             : #define V8_CRANKSHAFT_LITHIUM_INL_H_
       7             : 
       8             : #include "src/crankshaft/lithium.h"
       9             : 
      10             : #if V8_TARGET_ARCH_IA32
      11             : #include "src/crankshaft/ia32/lithium-ia32.h"  // NOLINT
      12             : #elif V8_TARGET_ARCH_X64
      13             : #include "src/crankshaft/x64/lithium-x64.h"  // NOLINT
      14             : #elif V8_TARGET_ARCH_ARM64
      15             : #include "src/crankshaft/arm64/lithium-arm64.h"  // NOLINT
      16             : #elif V8_TARGET_ARCH_ARM
      17             : #include "src/crankshaft/arm/lithium-arm.h"  // NOLINT
      18             : #elif V8_TARGET_ARCH_MIPS
      19             : #include "src/crankshaft/mips/lithium-mips.h"  // NOLINT
      20             : #elif V8_TARGET_ARCH_MIPS64
      21             : #include "src/crankshaft/mips64/lithium-mips64.h"  // NOLINT
      22             : #elif V8_TARGET_ARCH_PPC
      23             : #include "src/crankshaft/ppc/lithium-ppc.h"  // NOLINT
      24             : #elif V8_TARGET_ARCH_S390
      25             : #include "src/crankshaft/s390/lithium-s390.h"  // NOLINT
      26             : #elif V8_TARGET_ARCH_X87
      27             : #include "src/crankshaft/x87/lithium-x87.h"  // NOLINT
      28             : #else
      29             : #error "Unknown architecture."
      30             : #endif
      31             : 
      32             : namespace v8 {
      33             : namespace internal {
      34             : 
      35    40000282 : TempIterator::TempIterator(LInstruction* instr)
      36    40000282 :     : instr_(instr), limit_(instr->TempCount()), current_(0) {
      37    40000419 :   SkipUninteresting();
      38    40000501 : }
      39             : 
      40             : 
      41             : bool TempIterator::Done() { return current_ >= limit_; }
      42             : 
      43             : 
      44             : LOperand* TempIterator::Current() {
      45             :   DCHECK(!Done());
      46      377060 :   return instr_->TempAt(current_);
      47             : }
      48             : 
      49             : 
      50    40377412 : void TempIterator::SkipUninteresting() {
      51    40377412 :   while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_;
      52    40377411 : }
      53             : 
      54             : 
      55             : void TempIterator::Advance() {
      56      377061 :   ++current_;
      57      377061 :   SkipUninteresting();
      58             : }
      59             : 
      60             : 
      61    44097577 : InputIterator::InputIterator(LInstruction* instr)
      62    44097577 :     : instr_(instr), limit_(instr->InputCount()), current_(0) {
      63    44096814 :   SkipUninteresting();
      64    44096632 : }
      65             : 
      66             : 
      67             : bool InputIterator::Done() { return current_ >= limit_; }
      68             : 
      69             : 
      70             : LOperand* InputIterator::Current() {
      71             :   DCHECK(!Done());
      72             :   DCHECK(instr_->InputAt(current_) != NULL);
      73    20900883 :   return instr_->InputAt(current_);
      74             : }
      75             : 
      76             : 
      77             : void InputIterator::Advance() {
      78    20901219 :   ++current_;
      79    20901219 :   SkipUninteresting();
      80             : }
      81             : 
      82             : 
      83    64994535 : void InputIterator::SkipUninteresting() {
      84   138416666 :   while (current_ < limit_) {
      85    29327695 :     LOperand* current = instr_->InputAt(current_);
      86    57580542 :     if (current != NULL && !current->IsConstantOperand()) break;
      87     8427596 :     ++current_;
      88             :   }
      89    64994505 : }
      90             : 
      91             : 
      92    88194177 : UseIterator::UseIterator(LInstruction* instr)
      93    88194177 :     : input_iterator_(instr), env_iterator_(instr->environment()) {}
      94             : 
      95             : 
      96             : bool UseIterator::Done() {
      97   185389458 :   return input_iterator_.Done() && env_iterator_.Done();
      98             : }
      99             : 
     100             : 
     101    59045178 : LOperand* UseIterator::Current() {
     102             :   DCHECK(!Done());
     103    79946061 :   LOperand* result = input_iterator_.Done() ? env_iterator_.Current()
     104    59045178 :                                             : input_iterator_.Current();
     105             :   DCHECK(result != NULL);
     106    59045182 :   return result;
     107             : }
     108             : 
     109             : 
     110    59046155 : void UseIterator::Advance() {
     111    59046155 :   input_iterator_.Done() ? env_iterator_.Advance() : input_iterator_.Advance();
     112    59045630 : }
     113             : }  // namespace internal
     114             : }  // namespace v8
     115             : 
     116             : #endif  // V8_CRANKSHAFT_LITHIUM_INL_H_