Class: YTLJit::VM::Node::PhiNode

Inherits:
BaseNode show all
Defined in:
lib/ytljit/vm.rb

Constant Summary

Constants included from AbsArch

AbsArch::AL, AbsArch::BL, AbsArch::CL, AbsArch::DL, AbsArch::FUNC_ARG, AbsArch::FUNC_ARG_YTL, AbsArch::FUNC_FLOAT_ARG, AbsArch::FUNC_FLOAT_ARG_YTL, AbsArch::INDIRECT_BPR, AbsArch::INDIRECT_RETR, AbsArch::INDIRECT_SPR, AbsArch::INDIRECT_TMPR, AbsArch::INDIRECT_TMPR2, AbsArch::INDIRECT_TMPR3

Constants included from SSE

SSE::XMM0, SSE::XMM1, SSE::XMM2, SSE::XMM3, SSE::XMM4, SSE::XMM5, SSE::XMM6, SSE::XMM7

Instance Attribute Summary

Attributes inherited from BaseNode

#code_space, #element_node_list, #id, #parent, #ti_observee, #ti_observer, #type

Instance Method Summary collapse

Methods inherited from BaseNode

#add_element_node, #collect_info, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #merge_type, #same_type, #ti_add_observer, #ti_changed, #ti_del_link, #ti_reset, #ti_update

Methods included from TypeListWithSignature

#add_type, #set_type_list, #type_list, #type_list_initvar

Methods included from Inspect

#inspect_by_graph

Constructor Details

#initialize(parent) ⇒ PhiNode

Returns a new instance of PhiNode.



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# File 'lib/ytljit/vm.rb', line 1433

def initialize(parent)
  super(parent)
  @local_label = parent
end

Instance Method Details

#collect_candidate_type(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 1438

def collect_candidate_type(context)
  @local_label.come_from.values.each do |vnode|
    if vnode then
      cursig = context.to_signature
      same_type(self, vnode, cursig, cursig, context)
      same_type(vnode, self, cursig, cursig, context)
    end
  end
  context
end

#compile(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 1449

def compile(context)
  context = super(context)
  context.set_reg_content(TMPR, self)
  context.ret_node = self
  context.ret_reg = RETR
  context
end