bestat.h 1.77 KB
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#ifndef _BESTAT_H_
#define _BESTAT_H_

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#include "firm_config.h"
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#include "be_t.h"
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#include "benodesets.h"
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#ifdef FIRM_STATISTICS

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/**
 * Collects statistics information about register pressure.
 * @param birg The be irg object containing the irg
 */
void be_do_stat_reg_pressure(be_irg_t *birg);

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/**
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 * Collect statistics about amount of ready nodes per block
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 * @param block     The block
 * @param ready_set A set of ready nodes
 */
void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);

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/**
 * Pass information about a perm to the statistic module.
 *
 * @param class_name the name of the register class
 * @param n_regs     number of registers in the register class
 * @param perm       the perm node
 * @param block      the block containing the perm
 * @param size       the size of the perm
 * @param real_size  number of pairs with different registers
 */
void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size);

/**
 * Pass information about a cycle or chain in a perm to the statistic module.
 *
 * @param class_name the name of the register class
 * @param perm       the perm node
 * @param block      the block containing the perm
 * @param is_chain   1 if chain, 0 if cycle
 * @param size       length of the cycle/chain
 * @param n_ops      the number of ops representing this cycle/chain after lowering
 */
void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops);

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#else

#define be_do_stat_reg_pressure(birg)
#define be_do_stat_sched_ready(block, ready_set)
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#define be_do_stat_perm(class_name, n_regs, perm, block, n, real_size)
#define be_do_stat_permcycle(class_name, perm, block, is_chain, n_elems, n_ops)
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#endif /* FIRM_STATISTICS */

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#endif /* _BESTAT_H_ */