compiler/optimizing/code_generator_arm.cc [1350:1381]:
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  switch (if_cond) {
    case kCondEQ:
    case kCondNE:
      // Nothing to do.
      break;
    case kCondLT:
      false_high_cond = kCondGT;
      break;
    case kCondLE:
      true_high_cond = kCondLT;
      break;
    case kCondGT:
      false_high_cond = kCondLT;
      break;
    case kCondGE:
      true_high_cond = kCondGT;
      break;
    case kCondB:
      false_high_cond = kCondA;
      break;
    case kCondBE:
      true_high_cond = kCondB;
      break;
    case kCondA:
      false_high_cond = kCondB;
      break;
    case kCondAE:
      true_high_cond = kCondA;
      break;
  }
  if (right.IsConstant()) {
    int64_t value = right.GetConstant()->AsLongConstant()->GetValue();
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compiler/optimizing/code_generator_x86.cc [1273:1305]:
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  switch (if_cond) {
    case kCondEQ:
    case kCondNE:
      // Nothing to do.
      break;
    case kCondLT:
      false_high_cond = kCondGT;
      break;
    case kCondLE:
      true_high_cond = kCondLT;
      break;
    case kCondGT:
      false_high_cond = kCondLT;
      break;
    case kCondGE:
      true_high_cond = kCondGT;
      break;
    case kCondB:
      false_high_cond = kCondA;
      break;
    case kCondBE:
      true_high_cond = kCondB;
      break;
    case kCondA:
      false_high_cond = kCondB;
      break;
    case kCondAE:
      true_high_cond = kCondA;
      break;
  }

  if (right.IsConstant()) {
    int64_t value = right.GetConstant()->AsLongConstant()->GetValue();
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