void fun_llvm_2_nts::process_instruction ( const llvm::Instruction & i, StateInfo & st )
{
switch ( i.getOpcode() )
{
case Instruction::Alloca:
return ctx.m_alloca.process ( bni, st, funmap, i );
case Instruction::Call:
return ctx.m_icall.process ( bni, st, funmap, i );
case Instruction::Store:
case Instruction::Load:
case Instruction::Ret:
return ctx.m_ils.process ( bni, st, funmap, i );
case Instruction::Add:
return ctx.m_ia.process ( bni, st, funmap, i );
case Instruction::ICmp:
return ctx.m_icmp.process ( bni, st, funmap, i );
case Instruction::Br:
return ctx.m_ibr.process ( bni, st, funmap, i );
default:
{
string s ( "Instruction not implemented: " );
throw std::domain_error ( ( s + i.getOpcodeName() ).c_str() );
}
}
}
unsigned
InstructionCostEstimator::getInstructionCost(const llvm::Instruction &I) {
switch (I.getOpcode()) {
case llvm::Instruction::GetElementPtr:
return Cost::Low;
case llvm::Instruction::Ret:
case llvm::Instruction::PHI:
case llvm::Instruction::Br:
return Cost::No;
case llvm::Instruction::FRem:
case llvm::Instruction::FAdd:
case llvm::Instruction::FSub:
case llvm::Instruction::FMul:
case llvm::Instruction::FDiv:
return Cost::Medium;
case llvm::Instruction::Add:
case llvm::Instruction::Sub:
case llvm::Instruction::Mul:
case llvm::Instruction::UDiv:
case llvm::Instruction::SDiv:
case llvm::Instruction::URem:
case llvm::Instruction::SRem:
case llvm::Instruction::Shl:
case llvm::Instruction::LShr:
case llvm::Instruction::AShr:
case llvm::Instruction::And:
case llvm::Instruction::Or:
case llvm::Instruction::Xor:
return Cost::Low;
case llvm::Instruction::Select:
return Cost::Low;
case llvm::Instruction::ICmp:
case llvm::Instruction::FCmp:
return Cost::Low;
case llvm::Instruction::Store:
return Cost::Low;
case llvm::Instruction::Load:
return Cost::Low;
case llvm::Instruction::ZExt:
case llvm::Instruction::SExt:
case llvm::Instruction::FPToUI:
case llvm::Instruction::FPToSI:
case llvm::Instruction::FPExt:
case llvm::Instruction::PtrToInt:
case llvm::Instruction::IntToPtr:
case llvm::Instruction::SIToFP:
case llvm::Instruction::UIToFP:
case llvm::Instruction::Trunc:
case llvm::Instruction::FPTrunc:
case llvm::Instruction::BitCast:
case llvm::Instruction::AddrSpaceCast:
return Cost::No;
case llvm::Instruction::ExtractElement:
return Cost::Low;
case llvm::Instruction::InsertElement:
return Cost::Low;
case llvm::Instruction::ShuffleVector:
return Cost::Low;
case llvm::Instruction::Call:
return Cost::Low;
default:
return Cost::Low;
}
}