Class: CastOff::Compiler::SimpleIR::Newarray

Inherits:
VMInsnIR show all
Defined in:
lib/cast_off/compile/ir/call_ir.rb

Constant Summary

Constants included from Instruction

Instruction::BlockSeparator, Instruction::BranchInstruction, Instruction::IgnoreInstruction, Instruction::JumpOrReturnInstruction, Instruction::SupportInstruction, Instruction::TypeInfoUser, Instruction::VM_CALL_ARGS_BLOCKARG_BIT, Instruction::VM_CALL_ARGS_SPLAT_BIT, Instruction::VM_CALL_FCALL_BIT, Instruction::VM_CALL_OPT_SEND_BIT, Instruction::VM_CALL_SUPER_BIT, Instruction::VM_CALL_TAILCALL_BIT, Instruction::VM_CALL_TAILRECURSION_BIT, Instruction::VM_CALL_VCALL_BIT

Instance Attribute Summary

Attributes inherited from VMInsnIR

#argv

Attributes inherited from CallIR

#argc, #result_variable, #return_value, #values, #variables, #variables_without_result

Attributes inherited from IR

#alias, #insn

Instance Method Summary collapse

Methods inherited from VMInsnIR

#dont_duplicate_if_harmless, #should_be_alive?

Methods inherited from CallIR

#can_not_unbox, #mark, #param_irs, #param_variables, #propergate_boxed_value, #sampling_return_value, #sampling_return_value?, #should_be_alive?

Methods included from Util

#bug, #dlog, #todo, #vlog

Methods inherited from IR

#add_sampling_variable, #alive, #alive?, #dispatch_method?, #generate_guard, #get_definition, #get_definition_str, #get_usage, #get_variable, #inlining_target?, #propergate_boxed_value, #reset, #sampling_variable, #set_info, #standard_guard_target, #vanish, #vanish?

Constructor Details

#initialize(param, argc, return_value, insn, cfg) ⇒ Newarray

Returns a new instance of Newarray.


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 240

def initialize(param, argc, return_value, insn, cfg)
  super(param, argc, return_value, insn, cfg)
end

Instance Method Details

#harmless?(recv_p) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/call_ir.rb', line 280

def harmless?(recv_p)
  false
end

#propergate_exact_class(defs) ⇒ Object

unboxing end ###


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 257

def propergate_exact_class(defs)
  @return_value.class_exact? ? false : @return_value.is_class_exact()
end

#propergate_guard_usage ⇒ Object 


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 244

def propergate_guard_usage()
  params = param_irs()
  params.each{|p| p.need_guard(false)}
end

#side_effect? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/call_ir.rb', line 284

def side_effect?
  false
end

#to_c(params) ⇒ Object 


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 261

def to_c(params)
  ret = []
  ret << super(params)
  param = param_variables()
  if @argc == 0
    ret << "  #{@return_value} = rb_ary_new2(0);"
  else
    c_ary = @insn.iseq.use_temporary_c_ary(@argc)
    @argc.times{|i| ret << "  #{c_ary}[#{i}] = #{param.shift};"}
    ret << "  #{@return_value} = rb_ary_new4((long)#{@argc}, #{c_ary});"
  end
  bug() unless param.empty?
  ret.join("\n")
end

#type_propergation(defs) ⇒ Object 


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 276

def type_propergation(defs)
  @return_value.is_static([Array])
end

#unboxing_prelude ⇒ Object

unboxing begin ###


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# File 'lib/cast_off/compile/ir/call_ir.rb', line 250

def unboxing_prelude()
  params = param_variables()
  params.each{|p| p.box()}
  @return_value.box() unless @return_value.can_unbox?
end