Class: Kumi::Core::Analyzer::Passes::LIR::LoopInvariantCodeMotionPass

Inherits:
PassBase
  • Object
show all
Defined in:
lib/kumi/core/analyzer/passes/lir/loop_invariant_code_motion_pass.rb

Constant Summary collapse

LIR = 
Kumi::Core::LIR
MAX_PASSES = 
10

Instance Method Summary collapse

Methods inherited from PassBase

#debug, #debug_enabled?, #initialize

Methods included from ErrorReporting

#inferred_location, #raise_localized_error, #raise_syntax_error, #raise_type_error, #report_enhanced_error, #report_error, #report_semantic_error, #report_syntax_error, #report_type_error

Constructor Details

This class inherits a constructor from Kumi::Core::Analyzer::Passes::PassBase

Instance Method Details

#run(_errors) ⇒ Object 



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# File 'lib/kumi/core/analyzer/passes/lir/loop_invariant_code_motion_pass.rb', line 14

def run(_errors)
  current_ops = get_state(:lir_module)

  MAX_PASSES.times do
    new_ops, changed = run_one_pass(current_ops)
    return state.with(:lir_module, new_ops.freeze).with(:lir_04_loop_invcm, new_ops) unless changed

    current_ops = new_ops
  end

  raise "LICM did not converge after #{MAX_PASSES} passes."
end