libfirm/irflag.h File Reference

Flags to control optimizations. More...

#include "firm_types.h"
#include "begin.h"
#include "end.h"

Go to the source code of this file.

Typedefs
typedef unsigned	optimization_state_t
	A container type to load/restore all optimizations.
Enumerations
enum	firm_verification_t { FIRM_VERIFICATION_OFF = 0, FIRM_VERIFICATION_ON = 1, FIRM_VERIFICATION_REPORT = 2, FIRM_VERIFICATION_ERROR_ONLY = 3 }
	Possible verification modes. More...
Functions
void	set_optimize (int value)
	This function enables/disables optimizations globally.
int	get_optimize (void)
	Returns global optimizations flag.
void	set_opt_constant_folding (int value)
	Enables/Disables constant folding optimization.
void	set_opt_algebraic_simplification (int value)
	Enables/Disables algebraic simplifications.
void	set_opt_cse (int value)
	Enables/Disables common subexpression elimination.
int	get_opt_cse (void)
	Returns constant folding optimization setting.
void	set_opt_global_cse (int value)
	Enables/Disables global constant subexpression elimination.
void	set_opt_suppress_downcast_optimization (int value)
	Restricts the behavior of cast optimization.
int	get_opt_suppress_downcast_optimization (void)
	Returns suppred_downcast flag.
void	set_opt_global_null_ptr_elimination (int value)
	Enable/Disable Global Null Pointer Test Elimination.
void	set_opt_auto_create_sync (int value)
	Enable/Disable Automatic construction of Sync nodes during Firm construction.
void	set_opt_alias_analysis (int value)
	Enable/Disable Alias analysis.
void	set_opt_closed_world (int value)
	Enable/Disable closed world assumption.
void	save_optimization_state (optimization_state_t *state)
	Save the current optimization state.
void	restore_optimization_state (const optimization_state_t *state)
	Restore the current optimization state.
void	all_optimizations_off (void)
	Switches ALL optimizations off.
void	do_node_verification (firm_verification_t mode)
	Select verification of IR nodes and types.

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Detailed Description

Flags to control optimizations.

Author:

Christian Schaefer, Goetz Lindenmaier, Michael Beck

Definition in file irflag.h.