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

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

Constant Summary

Constants inherited from BaseNode

BaseNode::ESCAPE_LEVEL

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, #debug_info, #element_node_list, #id, #is_escape, #parent, #ti_observee, #ti_observer, #type

Instance Method Summary collapse

Methods inherited from BaseNode

#add_element_node, #add_element_node_backward, #add_element_node_backward_aux, #collect_info, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #marge_element_node, #marge_type, #same_type, #search_valid_signature, #set_escape_node, #set_escape_node_backward, #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.



2236
2237
2238
2239
 
# File 'lib/ytljit/vm.rb', line 2236

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

Instance Method Details

#collect_candidate_type(context) ⇒ Object 



2241
2242
2243
2244
2245
2246
2247
2248
2249
 
# File 'lib/ytljit/vm.rb', line 2241

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

#compile(context) ⇒ Object 



2251
2252
2253
2254
2255
2256
 
# File 'lib/ytljit/vm.rb', line 2251

def compile(context)
  context = super(context)
  context.ret_node = self
  context.ret_reg = @local_label.res_area
  context
end