osprey/be/opt/opt_ivr.cxx File Reference

#include "defs.h"
#include "errors.h"
#include "erglob.h"
#include "tracing.h"
#include "cxx_memory.h"
#include "wn.h"
#include "wn_util.h"
#include "region_util.h"
#include "opt_base.h"
#include "opt_bb.h"
#include "bb_node_set.h"
#include "opt_main.h"
#include "opt_ivr.h"
#include "opt_util.h"
#include "opt_wn.h"
#include "opt_mu_chi.h"
#include "opt_fold.h"
#include "stab.h"

Include dependency graph for opt_ivr.cxx:

Go to the source code of this file.

Data Types
module	IV_EXPR
Defines
#define	USE_STANDARD_TYPES
#define	IS_MP_LOOP(loop)   (loop->Is_flag_set(LOOP_IS_MP) || loop->Is_flag_set(LOOP_IS_PDO))
Enumerations
enum	IV_EXPR_FLAGS { IV_EXPR_NONE = 0, IV_EXPR_VALID = 1 }
Functions/Subroutines
void	Set_Preg_Name (PREG_NUM preg_num, const char *const name)
static CODEREP *	Find_cur_cr (IDTYPE aux_id, const BB_NODE *start, const BB_NODE *stop)
static INT32	Init_expr_cost (CODEREP *cr)
static INT32	Primary_IV_preference (IV_CAND *iv, OPT_STAB *opt_stab)
static BOOL	Is_IV_cand_in_parent_loop (BB_LOOP *loop, CODEREP *inner_loop_init, CODEREP *exit_stmt_lhs)
static BOOL	CR_is_equivalent (CODEREP *cr, CODEREP *def_cr)
Variables
const INT32	MIN_SCORE = -10000

---

Define Documentation

#define IS_MP_LOOP

(

loop

)

(loop->Is_flag_set(LOOP_IS_MP) || loop->Is_flag_set(LOOP_IS_PDO))

Definition at line 994 of file opt_ivr.cxx.

Referenced by IVR::Find_associated_parallel_pragma(), IVR::Ident_all_iv_cands(), and IVR::Process_one_loop().

#define USE_STANDARD_TYPES

Definition at line 98 of file opt_ivr.cxx.

---

Enumeration Type Documentation

enum IV_EXPR_FLAGS

Enumerator:

IV_EXPR_NONE
IV_EXPR_VALID

Definition at line 259 of file opt_ivr.cxx.

---

Function Documentation

static BOOL CR_is_equivalent	(	CODEREP *	cr,
		CODEREP *	def_cr
	)			[static]

Definition at line 2661 of file opt_ivr.cxx.

References CF_DEF_BY_CHI, CF_DEF_BY_PHI, CF_IS_ZERO_VERSION, CODEREP::Defchi(), CODEREP::Defstmt(), FALSE, CODEREP::Is_flag_set(), STMTREP::Is_identity_assignment_removable(), NULL, CHI_NODE::OPND(), STMTREP::Rhs(), and TRUE.

Referenced by IVR::Update_exit_stmt().

static CODEREP* Find_cur_cr	(	IDTYPE	aux_id,
		const BB_NODE *	start,
		const BB_NODE *	stop
	)			[static]

Definition at line 689 of file opt_ivr.cxx.

References CHI_NODE::Aux_id(), PHI_NODE::Aux_id(), CODEREP::Aux_id(), STMTREP::Chi_list(), cnode, FOR_ALL_ELEM, FOR_ALL_NODE, FOR_ALL_NODE_REVERSE, STMTREP::Has_chi(), BB_NODE::Idom(), Init, STMTREP::Lhs(), NULL, OPERATOR_is_scalar_store(), STMTREP::Opr(), BB_NODE::Phi_list(), PHI_NODE::RESULT(), and CHI_NODE::RESULT().

Referenced by CODEREP::Propagatable_along_path().

static INT32 Init_expr_cost

(

CODEREP *

cr

)

[static]

Definition at line 1177 of file opt_ivr.cxx.

References CK_CONST, CK_IVAR, CK_OP, CK_VAR, CODEREP::Const_val(), CODEREP::Kind(), MIN_SCORE, NULL, CODEREP::Opnd(), CODEREP::Opr(), OPR_ADD, OPR_NEG, and OPR_SUB.

Referenced by Primary_IV_preference().

static BOOL Is_IV_cand_in_parent_loop	(	BB_LOOP *	loop,
		CODEREP *	inner_loop_init,
		CODEREP *	exit_stmt_lhs
	)			[static]

Definition at line 2612 of file opt_ivr.cxx.

References CODEREP::Aux_id(), CK_VAR, DevWarn, FALSE, FOR_ALL_ELEM, BB_LOOP::Header(), Init, CODEREP::Kind(), SLIST_NODE::Len(), PHI_NODE::Live(), NULL, PHI_NODE::OPND(), BB_LOOP::Parent(), BB_NODE::Phi_list(), BB_NODE::Pred(), BB_LOOP::Preheader(), PHI_NODE::RESULT(), and TRUE.

Referenced by IVR::Update_exit_stmt().

static INT32 Primary_IV_preference	(	IV_CAND *	iv,
		OPT_STAB *	opt_stab
	)			[static]

Definition at line 1207 of file opt_ivr.cxx.

References CODEREP::Aux_id(), OPT_STAB::Aux_stab_entry(), Init_expr_cost(), IV_CAND::Init_value(), INT32, MIN_SCORE, POINTS_TO::No_alias(), AUX_STAB_ENTRY::Points_to(), SCLASS_REG, AUX_STAB_ENTRY::St(), ST_sclass, and IV_CAND::Var().

Referenced by IVR::Choose_primary_IV().

void Set_Preg_Name	(	PREG_NUM	preg_num,
		const char *const	name
	)			[inline]

Definition at line 123 of file opt_ivr.cxx.

References Is_True, Last_Dedicated_Preg_Offset, Preg_Table, and Set_PREG_name().

Referenced by IVR::Convert_all_ivs().

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Variable Documentation

const INT32 MIN_SCORE = -10000

Definition at line 1170 of file opt_ivr.cxx.

Referenced by IVR::Choose_primary_IV(), Init_expr_cost(), and Primary_IV_preference().