void InstructionCounter::visit()

in be/src/codegen/instruction-counter.cc [73:147]
75 lines of code
59 McCabe index (conditional complexity)

void InstructionCounter::visit(const llvm::Instruction& I) {
  IncrementCount(TOTAL_INSTS);
  switch (I.getOpcode()) {
    case llvm::Instruction::Ret:
    case llvm::Instruction::Br:
    case llvm::Instruction::Switch:
    case llvm::Instruction::IndirectBr:
    case llvm::Instruction::Invoke:
    case llvm::Instruction::Resume:
    case llvm::Instruction::Unreachable:
      IncrementCount(TERMINATOR_INSTS);
      break;
    case llvm::Instruction::Add:
    case llvm::Instruction::FAdd:
    case llvm::Instruction::Sub:
    case llvm::Instruction::FSub:
    case llvm::Instruction::Mul:
    case llvm::Instruction::FMul:
    case llvm::Instruction::UDiv:
    case llvm::Instruction::SDiv:
    case llvm::Instruction::FDiv:
    case llvm::Instruction::URem:
    case llvm::Instruction::SRem:
    case llvm::Instruction::FRem:
    case llvm::Instruction::Shl:
    case llvm::Instruction::LShr:
    case llvm::Instruction::AShr:
    case llvm::Instruction::And:
    case llvm::Instruction::Or:
    case llvm::Instruction::Xor:
      IncrementCount(BINARY_INSTS);
      break;
    case llvm::Instruction::Alloca:
    case llvm::Instruction::Load:
    case llvm::Instruction::Store:
    case llvm::Instruction::Fence:
    case llvm::Instruction::AtomicCmpXchg:
    case llvm::Instruction::AtomicRMW:
      IncrementCount(MEMORY_INSTS);
      break;
    case llvm::Instruction::Trunc:
    case llvm::Instruction::ZExt:
    case llvm::Instruction::SExt:
    case llvm::Instruction::FPToUI:
    case llvm::Instruction::FPToSI:
    case llvm::Instruction::UIToFP:
    case llvm::Instruction::SIToFP:
    case llvm::Instruction::FPTrunc:
    case llvm::Instruction::FPExt:
    case llvm::Instruction::PtrToInt:
    case llvm::Instruction::IntToPtr:
    case llvm::Instruction::BitCast:
      IncrementCount(CAST_INSTS);
      break;
    case llvm::Instruction::ICmp:
    case llvm::Instruction::FCmp:
    case llvm::Instruction::PHI:
    case llvm::Instruction::Call:
    case llvm::Instruction::Select:
    case llvm::Instruction::UserOp1:
    case llvm::Instruction::UserOp2:
    case llvm::Instruction::VAArg:
    case llvm::Instruction::ExtractElement:
    case llvm::Instruction::InsertElement:
    case llvm::Instruction::ShuffleVector:
    case llvm::Instruction::ExtractValue:
    case llvm::Instruction::InsertValue:
    case llvm::Instruction::LandingPad:
    case llvm::Instruction::GetElementPtr:
      IncrementCount(OTHER_INSTS);
      break;
    default:
      DCHECK(false);
  }
}