Class: Optimize::IR::BasicBlock

Inherits:
Object
  • Object
show all
Defined in:
lib/optimize/ir/basic_block.rb

Overview

One basic block in a function’s CFG: a maximal straight-line sequence of instructions with one entry (first instruction) and one exit (last instruction is a branch, leave, or falls through).

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id:, instructions: []) ⇒ BasicBlock

Returns a new instance of BasicBlock.



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# File 'lib/optimize/ir/basic_block.rb', line 12

def initialize(id:, instructions: [])
  @id = id
  @instructions = instructions
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/optimize/ir/basic_block.rb', line 9

def id
  @id
end

#instructions ⇒ Object

Returns the value of attribute instructions.



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# File 'lib/optimize/ir/basic_block.rb', line 10

def instructions
  @instructions
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/optimize/ir/basic_block.rb', line 21

def empty?
  @instructions.empty?
end

#terminator ⇒ Object 



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# File 'lib/optimize/ir/basic_block.rb', line 17

def terminator
  @instructions.last
end