Method IsFoldable

source/opt/instruction.cpp:774–777

}

bool Instruction::IsFoldable() const {
  return IsFoldableByFoldScalar() || IsFoldableByFoldVector() ||
         context()->get_instruction_folder().HasConstFoldingRule(this);
}

bool Instruction::IsFoldableByFoldScalar() const {
  const InstructionFolder& folder = context()->get_instruction_folder();