mim::BetaRed Class Reference

Optimistically performs β-reduction (aka inlining). More...

#include <mim/pass/beta_red.h>

Inheritance diagram for mim::BetaRed:

Public Types
using	Data = LamSet
Public Types inherited from mim::FPPass< BetaRed, Def >
using	Super
using	Data
	Default.

Public Member Functions
	BetaRed (PassMan &man)
void	keep (Lam *lam)
Public Member Functions inherited from mim::FPPass< BetaRed, Def >
	FPPass (PassMan &man, std::string_view name)
bool	fixed_point () const override
Public Member Functions inherited from mim::RWPass< BetaRed, Def >
	RWPass (PassMan &man, std::string_view name)
bool	inspect () const override
	Should the PassMan even consider this pass?
Def *	curr_mut () const
Public Member Functions inherited from mim::Pass
	Pass (PassMan &, std::string_view name)
virtual	~Pass ()=default
World &	world ()
PassMan &	man ()
const PassMan &	man () const
std::string_view	name () const
size_t	index () const
virtual Ref	rewrite (const Var *var)
virtual Ref	rewrite (const Proxy *proxy)
virtual undo_t	analyze (const Var *)
virtual void	enter ()
	Invoked just before Pass::rewriteing PassMan::curr_mut's body.
virtual void	prepare ()
	Invoked once before entering the main rewrite loop.
const Proxy *	proxy (Ref type, Defs ops, u32 tag=0)
const Proxy *	isa_proxy (Ref def, u32 tag=0)
	Check whether given def is a Proxy whose Proxy::pass matches this Pass's IPass::index.
const Proxy *	as_proxy (Ref def, u32 tag=0)

Private Member Functions
Ref	rewrite (Ref) override
undo_t	analyze (const Proxy *) override
undo_t	analyze (Ref) override

Additional Inherited Members
Protected Member Functions inherited from mim::FPPass< BetaRed, Def >
const auto &	states () const
auto &	states ()
auto &	data ()
auto &	data ()
auto &	data (const K &key)
	Use this for your convenience if P::Data is a map.
auto &	data (const K &key)
	Use this for your convenience if P::Data<I> is a map.
undo_t	curr_undo () const
	Current undo point.
undo_t	undo_visit (Def *mut) const
	Retrieves the point to backtrack to just before mut was seen the very first time.
undo_t	undo_enter (Def *mut) const
	Retrieves the point to backtrack to just before rewriting mut's body.

Detailed Description

Optimistically performs β-reduction (aka inlining).

β-reduction of f e happens if f only occurs exactly once in the program in callee position.

Definition at line 9 of file beta_red.h.

Member Typedef Documentation

Data

using mim::BetaRed::Data = LamSet

Definition at line 14 of file beta_red.h.

Constructor & Destructor Documentation

BetaRed()

mim::BetaRed::BetaRed ( PassMan & man )

inline

Definition at line 11 of file beta_red.h.

Member Function Documentation

analyze() [1/2]

undo_t mim::BetaRed::analyze ( const Proxy * proxy )

overrideprivatevirtual

Reimplemented from mim::Pass.

Definition at line 20 of file beta_red.cpp.

References mim::Def::as_mut(), mim::RWPass< BetaRed, Def >::curr_mut(), mim::No_Undo, mim::Def::op(), mim::Pass::proxy(), mim::FPPass< BetaRed, Def >::undo_visit(), and mim::Pass::world().

analyze() [2/2]

undo_t mim::BetaRed::analyze ( Ref def )

overrideprivatevirtual

Reimplemented from mim::Pass.

Definition at line 30 of file beta_red.cpp.

References mim::RWPass< BetaRed, Def >::curr_mut(), mim::FPPass< BetaRed, Def >::data(), mim::Def::isa_mut(), mim::isa_workable(), mim::No_Undo, mim::Def::ops(), mim::FPPass< BetaRed, Def >::undo_visit(), and mim::Pass::world().

keep()

void mim::BetaRed::keep ( Lam * lam )

inline

Definition at line 16 of file beta_red.h.

Referenced by mim::plug::mem::CopyProp::rewrite().

rewrite()

Ref mim::BetaRed::rewrite ( Ref def )

overrideprivatevirtual

Reimplemented from mim::Pass.

Definition at line 7 of file beta_red.cpp.

References mim::FPPass< BetaRed, Def >::data(), mim::isa_apped_mut_lam(), mim::isa_workable(), mim::Pass::proxy(), and mim::Pass::world().

---

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

• include/mim/pass/beta_red.h
• src/mim/pass/beta_red.cpp