cacao::jit::compiler2::DeadCodeEliminationPass Class Reference

DeadCodeEliminationPass. More...

Inheritance diagram for cacao::jit::compiler2::DeadCodeEliminationPass:

Public Member Functions
	DeadCodeEliminationPass ()
virtual bool	run (JITData &JD)
	Run the Pass. More...
virtual PassUsage &	get_PassUsage (PassUsage &PA) const
	Set the requirements for the pass. More...
Public Member Functions inherited from cacao::jit::compiler2::Pass
	Pass ()
void	set_PassManager (PassManager *PM)
template<class _PassClass >
_PassClass *	get_Pass () const
	Get the result of a previous compiler pass. More...
template<class _PassClass >
_PassClass *	get_Pass_if_available () const
	Get the result of a previous compiler pass. More...
virtual void	initialize ()
	Initialize the Pass. More...
virtual void	finalize ()
	Finalize the Pass. More...
virtual bool	verify () const
	Verify the Result. More...
virtual	~Pass ()
	Destructor. More...

Static Public Attributes
static char	ID = 0

Private Types
typedef unordered_map < Instruction *, bool >	InstBoolMapTy
typedef unordered_map < Instruction *, std::size_t >	InstIntMapTy

Detailed Description

DeadCodeEliminationPass.

This optimization pass removes dead (a.k.a unused) code from the program, based on an algorithm in [8]. It uses a 'weak' definition of 'dead' which does not take control-flow into account.

Definition at line 45 of file DeadCodeEliminationPass.hpp.

Member Typedef Documentation

typedef unordered_map<Instruction*,bool> cacao::jit::compiler2::DeadCodeEliminationPass::InstBoolMapTy

private

Definition at line 47 of file DeadCodeEliminationPass.hpp.

typedef unordered_map<Instruction*,std::size_t> cacao::jit::compiler2::DeadCodeEliminationPass::InstIntMapTy

private

Definition at line 48 of file DeadCodeEliminationPass.hpp.

Constructor & Destructor Documentation

cacao::jit::compiler2::DeadCodeEliminationPass::DeadCodeEliminationPass ( )

inline

Definition at line 51 of file DeadCodeEliminationPass.hpp.

Member Function Documentation

PassUsage & DeadCodeEliminationPass::get_PassUsage ( PassUsage &  PU ) const

virtual

Set the requirements for the pass.

Reimplemented from cacao::jit::compiler2::Pass.

Definition at line 142 of file DeadCodeEliminationPass.cpp.

bool DeadCodeEliminationPass::run ( JITData &  JD )

virtual

Run the Pass.

This method implements the compiler pass.

Returns

false if a problem occurred, true otherwise

Implements cacao::jit::compiler2::Pass.

Definition at line 57 of file DeadCodeEliminationPass.cpp.

Field Documentation

char DeadCodeEliminationPass::ID = 0

static

Definition at line 50 of file DeadCodeEliminationPass.hpp.

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

• /home/bbc/buildbot/slave/doxygen-compiler2/source/cacao/src/vm/jit/compiler2/DeadCodeEliminationPass.hpp
• /home/bbc/buildbot/slave/doxygen-compiler2/source/cacao/src/vm/jit/compiler2/DeadCodeEliminationPass.cpp