# Copyright (c) 2016-2017 Chris Seaton
#
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be
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# Prints a graph for a compare function with local variables to demonstrate how they turn into edges.

require_relative '../lib/rhizomeruby'
require_relative '../spec/rhizomeruby/fixtures'

puts 'this experiment would draw graphs if you had Graphviz installed' unless Rhizome::IR::Graphviz.available?

builder = Rhizome::IR::Builder.new
builder.build Rhizome::Fixtures::NAMED_COMPARE_BYTECODE_RHIZOME
graph = builder.graph

postbuild = Rhizome::Passes::PostBuild.new
postbuild.run graph

passes_runner = Rhizome::Passes::Runner.new(
    Rhizome::Passes::DeadCode.new,
    Rhizome::Passes::NoChoicePhis.new
)

passes_runner.run graph

if Rhizome::IR::Graphviz.available?
  viz = Rhizome::IR::Graphviz.new(graph)
  viz.visualise 'named-compare.pdf'
end
