logo::ConstantFoldingPass Class Reference

Performs constant folding optimization. More...

#include <ConstantFoldingPass.h>

Collaboration diagram for logo::ConstantFoldingPass:

Public Member Functions
const char *	name (void) const final
bool	run (loco::Graph *graph) override
	Run the pass.
Public Member Functions inherited from logo::Pass
virtual	~Pass ()=default

Detailed Description

Performs constant folding optimization.

Definition at line 30 of file ConstantFoldingPass.h.

Member Function Documentation

name()

const char * logo::ConstantFoldingPass::name ( void  ) const

inlinefinalvirtual

Reimplemented from logo::Pass.

Definition at line 33 of file ConstantFoldingPass.h.

{ return "ConstantFoldingPass"; }

run()

bool logo::ConstantFoldingPass::run ( loco::Graph *  graph )

overridevirtual

Run the pass.

Returns

false if there was nothing changed

Implements logo::Pass.

Definition at line 155 of file ConstantFoldingPass.cpp.

{
  auto outputs = loco::output_nodes(graph);
 
  bool changed = false;
  for (auto node : loco::postorder_traversal(outputs))
  {
    if (foldable(node))
    {
      fold(graph, node);
      changed = true;
    }
  }
 
  return changed;
}

References loco::output_nodes(), and loco::postorder_traversal().

Referenced by package.infer.session::inference().

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The documentation for this class was generated from the following files:

• compiler/logo-ex/include/logo/ConstantFoldingPass.h
• compiler/logo-ex/src/Passes/ConstantFoldingPass.cpp