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config_wopt.cxx
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1 /*
2 
3  Copyright (C) 2000, 2001 Silicon Graphics, Inc. All Rights Reserved.
4 
5  This program is free software; you can redistribute it and/or modify it
6  under the terms of version 2 of the GNU General Public License as
7  published by the Free Software Foundation.
8 
9  This program is distributed in the hope that it would be useful, but
10  WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13  Further, this software is distributed without any warranty that it is
14  free of the rightful claim of any third person regarding infringement
15  or the like. Any license provided herein, whether implied or
16  otherwise, applies only to this software file. Patent licenses, if
17  any, provided herein do not apply to combinations of this program with
18  other software, or any other product whatsoever.
19 
20  You should have received a copy of the GNU General Public License along
21  with this program; if not, write the Free Software Foundation, Inc., 59
22  Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 
24  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky,
25  Mountain View, CA 94043, or:
26 
27  http://www.sgi.com
28 
29  For further information regarding this notice, see:
30 
31  http://oss.sgi.com/projects/GenInfo/NoticeExplan
32 
33 */
34 
35 
36 /* ====================================================================
37  * ====================================================================
38  *
39  *
40  * Revision history:
41  * 08-Sep-94 - Original Version (wodriver.c)
42  * 05-May-96 - config_wopt.c extracted from wodriver.c
43  *
44  * Description:
45  *
46  * Configure the -WOPT group (included in config.c).
47  * Used from ipl, inline, ipa (ld), and be.
48  *
49  * ====================================================================
50  * ====================================================================
51  */
52 
53 // This file is included in config.cxx, so it doesn't need its own set of
54 // standard includes -- only the following:
55 #include "config_wopt.h"
56 
57 
58 /* ====================================================================
59  *
60  * Global flag variables which reflect the -WOPT group options.
61  *
62  * ====================================================================
63  */
64 
65 /* List of global variables to turn on and off various optimizations */
66 UINT32 WOPT_Ip_Alias_Class_Limit = UINT32_MAX; // no limit
67 UINT32 WOPT_Alias_Class_Limit = UINT32_MAX; // no limit
68 BOOL WOPT_Ldx_Ratio_RegIns = 1;
69 BOOL WOPT_Enable_Add_Do_Loop_Info = TRUE;
70 BOOL WOPT_Enable_Add_Label_Loop_Info = TRUE;
71 BOOL WOPT_Enable_Aggressive_Code_Motion = TRUE;
72 INT32 WOPT_Enable_Aggressive_CM_Limit = INT32_MAX;
73 INT32 WOPT_Enable_Aggressive_CM_Threshold = 70;
74 BOOL WOPT_Enable_Aggressive_dce = TRUE;
75 BOOL WOPT_Enable_Aggressive_Doloop_Promotion = FALSE;
76 BOOL WOPT_Enable_Aggressive_IVR = TRUE;
77 BOOL WOPT_Enable_Aggressive_Lftr = TRUE;
78 BOOL WOPT_Enable_Aggressive_Phi_Simp = TRUE;
79 BOOL WOPT_Enable_Aggstr_Reduction = TRUE;
80 BOOL WOPT_Enable_Alias_ANSI = TRUE;
81 BOOL WOPT_Enable_Alias_Classification = TRUE;
82 BOOL WOPT_Enable_Alias_Class_Fortran_Rule = TRUE;
83 BOOL WOPT_Enable_Alias_Qualifer = TRUE;
84 BOOL WOPT_Enable_Alias_Ragnarok_Unnamed = TRUE;
85 BOOL WOPT_Enable_Avoid_Rehash = FALSE; /* SSAPRE to minimize rehashing */
86 BOOL WOPT_Enable_Bitwise_DCE = TRUE;
87 BOOL WOPT_Enable_CSE_FP_comparison = TRUE;
88 BOOL WOPT_Enable_Call_Flag = TRUE;
89 BOOL WOPT_Enable_Calls_Break_BB = FALSE;
90 BOOL WOPT_Enable_Calls_Break_BB_Set = FALSE;
91 BOOL WOPT_Enable_Canon_Expr = TRUE;
92 BOOL WOPT_Enable_Combine_Operations = TRUE;
93 BOOL WOPT_Enable_Compare_Simp = TRUE; /* simplify comparisons */
94 BOOL WOPT_Enable_Const_PRE = TRUE;
95 INT32 WOPT_Enable_Const_PRE_Limit = 0;
96 BOOL WOPT_Enable_Copy_Propagate = TRUE;
97 BOOL WOPT_Enable_Copy_Prop_Bad_Ops = FALSE; /* copy prop ops that strength-reduction can't handle */
98 static BOOL WOPT_Enable_Copy_Prop_Bad_Ops_Set = FALSE;
99 BOOL WOPT_Enable_Copy_Prop_LNO_Ops = FALSE; /* copy prop ops that LNO can't handle */
100 /* copy prop certain ops into ARRAY subscripts (enabled for mainopt) */
101 BOOL WOPT_Enable_Copy_Prop_Ops_Into_Array = FALSE;
102 BOOL WOPT_Enable_Copy_Prop_Ops_Into_Array_Set = FALSE;
103 BOOL WOPT_Enable_CG_Alias = TRUE;
104 BOOL WOPT_Enable_DIVREM = TRUE; /* allow divrem opcode */
105 BOOL WOPT_Enable_CRSIMP = TRUE;
106 BOOL WOPT_Enable_DCE = TRUE;
107 BOOL WOPT_Enable_DCE_Alias = FALSE;
108 BOOL WOPT_Enable_DCE_Branch = TRUE;
109 INT32 WOPT_Enable_DCE_Branch_Pred_Limit = 5;
110 BOOL WOPT_Enable_DCE_Global = TRUE;
111 BOOL WOPT_Enable_DCE_Label = TRUE;
112 BOOL WOPT_Enable_DU_Full = FALSE;
113 BOOL WOPT_Enable_DU_Union = TRUE;
114 BOOL WOPT_Enable_Dead_CR_Fix = TRUE;
115 BOOL WOPT_Enable_Debug_Inconsistent_Ip_Class = FALSE;
116 BOOL WOPT_Enable_Estr_FB_Injury = FALSE;
117 static BOOL WOPT_Enable_Estr_FB_Injury_Set = FALSE;
118 BOOL WOPT_Enable_Exp_PRE = TRUE;
119 INT32 WOPT_Enable_Exp_PRE_Limit = -1;
120 BOOL WOPT_Enable_Fast_Simp = TRUE;
121 BOOL WOPT_Enable_Fold2const = TRUE;
122 BOOL WOPT_Enable_Fold_Lda_Iload_Istore = FALSE;
123 BOOL WOPT_Enable_LNO_Copy_Propagate = TRUE;
124 BOOL WOPT_Enable_FSA = TRUE;
125 INT32 WOPT_Enable_Generate_Trip_Count = 1;
126 BOOL WOPT_Enable_Generate_DU = TRUE;
127 BOOL WOPT_Enable_Goto = TRUE;
128 BOOL WOPT_Enable_Hoisting = TRUE;
129 BOOL WOPT_Enable_Ivar_Hoisting = TRUE;
130 BOOL WOPT_Enable_I8_Primary_IV = FALSE;
131 BOOL WOPT_Enable_Improved_Addr_Taken = TRUE;
132 BOOL WOPT_Enable_Input_Prop = TRUE;
133 BOOL WOPT_Enable_Itself_Prop = TRUE;
134 BOOL WOPT_Enable_IPAA = FALSE;
135 BOOL WOPT_Enable_Ivar_Common = TRUE;
136 BOOL WOPT_Enable_Ivar_PRE = TRUE;
137 BOOL WOPT_Enable_Ivincr_Cand = FALSE;
138 BOOL WOPT_Enable_IVE = TRUE;
139 BOOL WOPT_Enable_IVE_Old = FALSE;
140 BOOL WOPT_Enable_IVR = TRUE;
141 INT32 WOPT_Enable_IVR_Expand_Limit = 1000; /* expand 1000 statements */
142 BOOL WOPT_Enable_IVR_Outermost_Loop_Parallel_Region = FALSE;
143 BOOL WOPT_Enable_Ldx = FALSE;
144 BOOL WOPT_Enable_Lego_Opt = FALSE;
145 BOOL WOPT_Enable_LFTR = TRUE;
146 BOOL WOPT_Enable_LFTR_Ivar = FALSE;
147 #ifdef TARG_MIPS
148 BOOL WOPT_Enable_LFTR2 = TRUE;
149 #else
150 BOOL WOPT_Enable_LFTR2 = FALSE;
151 #endif
152 INT32 WOPT_Enable_LFTR2_Limit = -1;
153 BOOL WOPT_Enable_Load_PRE = TRUE;
154 INT32 WOPT_Enable_Load_PRE_Limit = -1;
155 BOOL WOPT_Enable_Loopinvarexp_Str_Reduction = TRUE;
156 BOOL WOPT_Enable_Lower_Short_Circuit = FALSE;
157 BOOL WOPT_Enable_Lower_Short_Circuit_Set = FALSE;
158 BOOL WOPT_Enable_MINMAX = TRUE; /* allow minmax opcode */
159 BOOL WOPT_Enable_Min_Type = TRUE;
160 BOOL WOPT_Enable_Move_Intrinsicop = TRUE;
161 BOOL WOPT_Enable_MP_varref = TRUE;
162 const BOOL WOPT_Enable_MP_Const_Prop = TRUE;
163 BOOL WOPT_Enable_New_SR = TRUE;
164 BOOL WOPT_Enable_New_SR_Limit = 0;
165 BOOL WOPT_Enable_Output_Copy = TRUE;
166 BOOL WOPT_Enable_Ocopy_Lookupstmt = 2;
167 BOOL WOPT_Enable_Parm = TRUE;
168 char *WOPT_Enable_Process = NULL;
169 BOOL WOPT_Enable_Phi_Simp = TRUE;
170 BOOL WOPT_Enable_Prop_Ivar = TRUE;
171 BOOL WOPT_Enable_Prop_CSE = FALSE; /* propagate CSE expressions */
172 INT32 WOPT_Enable_Prop_Limit = 14; /* this is a guess, PV 468862 */
173 BOOL WOPT_Enable_Prune = TRUE; /* temporary, PV 370066 */
174 BOOL WOPT_Enable_Replace_Second_IV = TRUE;
175 BOOL WOPT_Enable_Replace_While_Loop_Second_IV = TRUE;
176 BOOL WOPT_Enable_Restricted_Map = TRUE;
177 INT32 WOPT_Enable_Rsv_Bits = 16; /* reserve bit count in itable */
178 BOOL WOPT_Enable_RVI = TRUE; /* perform both rvi1 and rvi2 */
179 BOOL WOPT_Enable_RVI1 = TRUE; /* phase 1 of rvi */
180 BOOL WOPT_Enable_RVI2 = TRUE; /* phase 2 of rvi */
181 BOOL WOPT_Enable_Rviistore = TRUE; /* agg. chi-handling on istore*/
182 char *WOPT_Enable_Rviskip = NULL; /* skip this var during RVI */
183 BOOL WOPT_Enable_Rvisplit = FALSE; /* split bbs at every stmt */
184 BOOL WOPT_Enable_Rvivsym = TRUE; /* ignore vsym in chi lists */
185 BOOL WOPT_Enable_Second_Alias_Class = TRUE;
186 BOOL WOPT_Enable_Second_Order = TRUE;
187 char *WOPT_Enable_Skip = NULL; /* Name of function to skip */
188 OPTION_LIST *WOPT_Skip = NULL; /* Skip option list */
189 SKIPLIST *WOPT_Skip_List = NULL; /* Processed skiplist */
190 BOOL WOPT_Enable_SLT = TRUE;
191 BOOL WOPT_Enable_Small_Br_Target = FALSE; /* propagation into branch BBs */
192 BOOL WOPT_Enable_Simple_If_Conv = TRUE; /* simple if-conversion at CFG build time */
193 BOOL WOPT_Enable_Speculation_Defeats_LFTR = TRUE;
194 BOOL WOPT_Enable_SSA_Minimization = TRUE; /* SSA minimization in SSAPRE */
195 BOOL WOPT_Enable_SSA_PRE = TRUE;
196 BOOL WOPT_Enable_Store_PRE = TRUE;
197 INT32 WOPT_Enable_Store_PRE_Limit = -1;
198 INT32 WOPT_Enable_Local_Rvi_Limit = -1;
199 BOOL WOPT_Enable_Strength_Reduction = TRUE;
200 BOOL WOPT_Enable_Update_Vsym = TRUE;
201 BOOL WOPT_Enable_Unique_Pt_Vsym = TRUE;
202 INT32 WOPT_Enable_Value_Numbering = 1; /* 0=OFF, 1=after_pre, 2=befr_n_aftr */
203 INT32 WOPT_Enable_Vn_Ivc = 1; /* 0=OFF, see be/opt/opt_vn_ivc.h */
204 UINT32 WOPT_Enable_Vnfre_After = 0; /* Disable vnfre after given valnum */
205 UINT32 WOPT_Enable_Vnfre_Before = UINT32_MAX; /* Disable before given valnum */
206 BOOL WOPT_Enable_Verbose = FALSE;
207 INT32 WOPT_Enable_Verify = 1;
208 BOOL WOPT_Enable_Vsym_Unique = FALSE;
209 BOOL WOPT_Enable_While_Loop = TRUE;
210 BOOL WOPT_Enable_Worklist_Pruning = TRUE;
211 BOOL WOPT_Enable_Zero_Version = TRUE;
212 BOOL WOPT_Enable_Call_Zero_Version = TRUE;
213 BOOL WOPT_Enable_Dse_Aggressive = TRUE;
214 BOOL WOPT_Enable_Prop_Aggressive = TRUE;
215 BOOL WOPT_Enable_Iload_Prop = TRUE;
216 BOOL WOPT_Enable_VN_Full = TRUE; /* full value number (for ivars) */
217 BOOL WOPT_Enable_Simp_Iload = TRUE; /* simplifier folding iload */
218 BOOL WOPT_Enable_Canon_Uplevel=FALSE; /* canonicalize the up level ref */
219 BOOL WOPT_Enable_Tail_Recur = FALSE; /* tail recursion */
220 BOOL WOPT_Enable_Edge_Placement = TRUE;/* insert BB on critical edge */
221 BOOL WOPT_Enable_Backedge_Placement = FALSE; /* insert BB on critical backedge */
222 BOOL WOPT_Enable_Source_Order = FALSE; /* Dump CFG in source order */
223 BOOL WOPT_Enable_Cvt_Folding = TRUE; /* enable cvt folding in emitter */
224 BOOL WOPT_Enable_Local_Rvi = TRUE; /* enable fast rvi of locals */
225 BOOL WOPT_Enable_Strong_Barrier = FALSE;
226 BOOL WOPT_Enable_Aggr_Invariant = TRUE;
227 BOOL WOPT_Enable_Shrink = TRUE;
228 INT32 WOPT_Enable_Extra_Rename_Pass = 5;
229 BOOL WOPT_Enable_Extra_Rename_Pass_Set = FALSE;
230 UINT32 WOPT_Enable_Extra_Preopt_Pass = 0;
231 BOOL WOPT_Enable_Bool_Simp = TRUE;
232 BOOL WOPT_Enable_Feedback_LPRE = FALSE;
233 BOOL WOPT_Enable_Feedback_EPRE = FALSE;
234 BOOL WOPT_Enable_CFG_Display = FALSE;
235 BOOL WOPT_Enable_CFG_Merge_Multi_Zone = TRUE;
236 BOOL WOPT_Enable_CFG_Merge_Multi_Zone_Set = FALSE;
237 BOOL WOPT_Enable_CFG_Opt = TRUE; /* control flow optimization main switch */
238 BOOL WOPT_Enable_CFG_Opt1 = TRUE;
239 BOOL WOPT_Enable_CFG_Opt2 = TRUE;
240 INT32 WOPT_Enable_CFG_Opt2_Limit = 80; /* Loop butterfly should produce a min of 80% coverage */
241 BOOL WOPT_Enable_CFG_Opt3 = FALSE;
242 BOOL WOPT_Enable_CFG_Opt4 = FALSE;
243 BOOL WOPT_Enable_CFG_Opt_Limit = 10;
244 char *WOPT_Set_Unique_Pt = NULL;
245 BOOL WOPT_Enable_Bits_Load_Store = TRUE; // accept LDBITS, STBITS, etc.
246 BOOL WOPT_Enable_Epre_Before_Ivr = FALSE; // For running epre early
247 BOOL WOPT_Enable_Lpre_Before_Ivr = FALSE; // For running lpre early
248 BOOL WOPT_Enable_Spre_Before_Ivr = FALSE; // For running spre early
249 BOOL WOPT_Enable_Bdce_Before_Ivr = FALSE; // For running bdce early
250 BOOL WOPT_Enable_New_Phase_Ordering = TRUE; // Enables some phases before ivr
251 
252 
253 /* ====================================================================
254  *
255  * Descriptor for the -WOPT option group.
256  *
257  * ====================================================================
258  */
259 
260 /* scalar optimizer options:
261  see common/util/flags.h, typedef struct option_desc for documentation */
262 static OPTION_DESC Options_WOPT[] = {
263  { OVK_UINT32, OV_INTERNAL, TRUE, "ac_limit", "",
264  UINT32_MAX, 0, UINT32_MAX, &WOPT_Alias_Class_Limit, NULL },
265  { OVK_UINT32, OV_INTERNAL, TRUE, "ip_ac_limit", "",
266  UINT32_MAX, 0, UINT32_MAX, &WOPT_Ip_Alias_Class_Limit, NULL },
267  { OVK_BOOL, OV_INTERNAL, TRUE, "add_do_loop_info", "add_do",
268  0, 0, 0, &WOPT_Enable_Add_Do_Loop_Info, NULL },
269  { OVK_BOOL, OV_INTERNAL, TRUE, "add_label_loop_info", "add_label",
270  0, 0, 0, &WOPT_Enable_Add_Label_Loop_Info, NULL },
271  { OVK_BOOL, OV_INTERNAL, TRUE, "aggcm", "aggcm",
272  0, 0, 0, &WOPT_Enable_Aggressive_Code_Motion, NULL },
273  { OVK_INT32, OV_INTERNAL, TRUE, "aggcm_limit", "",
274  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Aggressive_CM_Limit, NULL },
275  { OVK_INT32, OV_INTERNAL, TRUE, "aggcm_threshold", "aggcm_thres",
276  0, 0, 101, &WOPT_Enable_Aggressive_CM_Threshold, NULL },
277  { OVK_BOOL, OV_INTERNAL, TRUE, "agglftr", "agglftr",
278  0, 0, 0, &WOPT_Enable_Aggressive_Lftr, NULL },
279  { OVK_BOOL, OV_INTERNAL, TRUE, "aggphi_simp", "aggphi",
280  0, 0, 0, &WOPT_Enable_Aggressive_Phi_Simp, NULL },
281  { OVK_BOOL, OV_INTERNAL, TRUE, "aggdo", "aggdo",
282  0, 0, 0, &WOPT_Enable_Aggressive_Doloop_Promotion, NULL },
283  { OVK_BOOL, OV_INTERNAL, TRUE, "agg_ivr", "agg_ivr",
284  0, 0, 0, &WOPT_Enable_Aggressive_IVR, NULL },
285  { OVK_BOOL, OV_INTERNAL, TRUE, "aggstr_reduction", "aggstr",
286  0, 0, 0, &WOPT_Enable_Aggstr_Reduction, NULL },
287  { OVK_BOOL, OV_INTERNAL, TRUE, "alias_classification", "alias_class",
288  0, 0, 0, &WOPT_Enable_Alias_Classification, NULL },
289  { OVK_BOOL, OV_INTERNAL, TRUE, "ac_fortran", "",
290  0, 0, 0, &WOPT_Enable_Alias_Class_Fortran_Rule, NULL },
291  { OVK_BOOL, OV_INTERNAL, TRUE, "avoid_rehash", "",
292  0, 0, 0, &WOPT_Enable_Avoid_Rehash, NULL },
293  { OVK_BOOL, OV_INTERNAL, TRUE, "bdce", "",
294  0, 0, 0, &WOPT_Enable_Bitwise_DCE, NULL },
295  { OVK_BOOL, OV_INTERNAL, TRUE, "cse_fcmp", "",
296  0, 0, 0, &WOPT_Enable_CSE_FP_comparison, NULL },
297  { OVK_BOOL, OV_INTERNAL, TRUE, "canon_uplevel", "canon",
298  0, 0, 0, &WOPT_Enable_Canon_Uplevel, NULL },
299  { OVK_BOOL, OV_INTERNAL, TRUE, "call_flag", "call_flag",
300  0, 0, 0, &WOPT_Enable_Call_Flag, NULL },
301  { OVK_BOOL, OV_INTERNAL, FALSE, "calls_break_bb", "",
302  0, 0, 0, &WOPT_Enable_Calls_Break_BB, &WOPT_Enable_Calls_Break_BB_Set },
303  { OVK_BOOL, OV_INTERNAL, TRUE, "canon_expr", "canon_expr",
304  0, 0, 0, &WOPT_Enable_Canon_Expr, NULL },
305  { OVK_BOOL, OV_INTERNAL, TRUE, "cg_alias", "cg_alias",
306  0, 0, 0, &WOPT_Enable_CG_Alias, NULL },
307  { OVK_BOOL, OV_INTERNAL, TRUE, "class2", "class2",
308  0, 0, 0, &WOPT_Enable_Second_Alias_Class, NULL },
309  { OVK_BOOL, OV_INTERNAL, TRUE, "combine_operations", "combine",
310  0, 0, 0, &WOPT_Enable_Combine_Operations, NULL },
311  { OVK_BOOL, OV_INTERNAL, TRUE, "compare_simp", "compare",
312  0, 0, 0, &WOPT_Enable_Compare_Simp, NULL },
313  { OVK_BOOL, OV_INTERNAL, TRUE, "const_pre", "const_pre",
314  0, 0, 0, &WOPT_Enable_Const_PRE, NULL },
315  { OVK_INT32, OV_INTERNAL, TRUE, "const_pre_limit", "const_pre_limit",
316  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Const_PRE_Limit, NULL },
317  { OVK_BOOL, OV_INTERNAL, TRUE, "divrem", "divrem",
318  0, 0, 0, &WOPT_Enable_DIVREM, NULL },
319  { OVK_BOOL, OV_INTERNAL, TRUE, "copy_propagate", "copy",
320  0, 0, 0, &WOPT_Enable_Copy_Propagate, NULL },
321  { OVK_BOOL, OV_INTERNAL, TRUE, "copy_ops", "copy_ops",
322  0, 0, 0, &WOPT_Enable_Copy_Prop_Bad_Ops, NULL },
323  { OVK_BOOL, OV_INTERNAL, TRUE, "copy_lno_ops", "copy_lno",
324  0, 0, 0, &WOPT_Enable_Copy_Prop_LNO_Ops, NULL },
325  { OVK_BOOL, OV_INTERNAL, TRUE, "copy_into_array", "",
326  0, 0, 0, &WOPT_Enable_Copy_Prop_Ops_Into_Array,
327  &WOPT_Enable_Copy_Prop_Ops_Into_Array_Set },
328  { OVK_BOOL, OV_INTERNAL, TRUE, "lno_copy_propagation", "lno_copy",
329  0, 0, 0, &WOPT_Enable_LNO_Copy_Propagate, NULL },
330  { OVK_BOOL, OV_INTERNAL, TRUE, "cr_simp", "cr",
331  0, 0, 0, &WOPT_Enable_CRSIMP, NULL },
332  { OVK_BOOL, OV_INTERNAL, TRUE, "fastsimp", "",
333  0, 0, 0, &WOPT_Enable_Fast_Simp, NULL },
334  { OVK_BOOL, OV_INTERNAL, TRUE, "fold2const", "fold",
335  0, 0, 0, &WOPT_Enable_Fold2const, NULL },
336  { OVK_BOOL, OV_INTERNAL, TRUE, "fold_lda_iload_istore", "fold_lda_iload",
337  0, 0, 0, &WOPT_Enable_Fold_Lda_Iload_Istore, NULL },
338  { OVK_BOOL, OV_INTERNAL, TRUE, "dead_code_elim", "dead",
339  0, 0, 0, &WOPT_Enable_DCE, NULL },
340  { OVK_BOOL, OV_INTERNAL, TRUE, "dce_aggressive", "dce",
341  0, 0, 0, &WOPT_Enable_Aggressive_dce, NULL },
342  { OVK_BOOL, OV_INTERNAL, TRUE, "dce_alias", "",
343  0, 0, 0, &WOPT_Enable_DCE_Alias, NULL },
344  { OVK_BOOL, OV_INTERNAL, TRUE, "dce_branch", "",
345  0, 0, 0, &WOPT_Enable_DCE_Branch, NULL },
346  { OVK_INT32, OV_INTERNAL, TRUE, "dce_branch_pred_limit", "",
347  5, 0, INT32_MAX, &WOPT_Enable_DCE_Branch_Pred_Limit, NULL },
348  { OVK_BOOL, OV_INTERNAL, TRUE, "dce_global", "",
349  0, 0, 0, &WOPT_Enable_DCE_Global, NULL },
350  { OVK_BOOL, OV_INTERNAL, TRUE, "dce_label", "",
351  0, 0, 0, &WOPT_Enable_DCE_Label, NULL },
352  { OVK_BOOL, OV_INTERNAL, TRUE, "du_full", "",
353  0, 0, 0, &WOPT_Enable_DU_Full, NULL },
354  { OVK_BOOL, OV_INTERNAL, TRUE, "du_union", "",
355  0, 0, 0, &WOPT_Enable_DU_Union, NULL },
356  { OVK_BOOL, OV_INTERNAL, TRUE, "dead_cr", "",
357  0, 0, 0, &WOPT_Enable_Dead_CR_Fix, NULL },
358  { OVK_BOOL, OV_INTERNAL, TRUE, "debug_class", "",
359  0, 0, 0, &WOPT_Enable_Debug_Inconsistent_Ip_Class, NULL },
360  { OVK_BOOL, OV_INTERNAL, TRUE, "epre", "epre",
361  0, 0, 0, &WOPT_Enable_Exp_PRE, NULL },
362  { OVK_INT32, OV_INTERNAL, TRUE, "epre_limit", "",
363  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Exp_PRE_Limit, NULL },
364  { OVK_BOOL, OV_INTERNAL, TRUE, "estr_fb_injury", "",
365  0, 0, 0, &WOPT_Enable_Estr_FB_Injury, &WOPT_Enable_Estr_FB_Injury_Set },
366  { OVK_BOOL, OV_INTERNAL, TRUE, "goto_conversion", "goto",
367  0, 0, 0, &WOPT_Enable_Goto, NULL },
368  { OVK_BOOL, OV_INTERNAL, TRUE, "hoisting", "hoist",
369  0, 0, 0, &WOPT_Enable_Hoisting, NULL },
370  { OVK_BOOL, OV_INTERNAL, TRUE, "hoist_ivar", "hoist_ivar",
371  0, 0, 0, &WOPT_Enable_Ivar_Hoisting, NULL },
372  { OVK_BOOL, OV_INTERNAL, TRUE, "i8_iv", "i8_iv",
373  0, 0, 0, &WOPT_Enable_I8_Primary_IV, NULL },
374  { OVK_BOOL, OV_INTERNAL, TRUE, "addr", "addr",
375  0, 0, 0, &WOPT_Enable_Improved_Addr_Taken, NULL },
376  { OVK_BOOL, OV_INTERNAL, TRUE, "icopy_propagate", "icopy",
377  0, 0, 0, &WOPT_Enable_Input_Prop, NULL },
378  { OVK_BOOL, OV_INTERNAL, TRUE, "itself_prop", "itself",
379  0, 0, 0, &WOPT_Enable_Itself_Prop, NULL },
380  { OVK_BOOL, OV_INTERNAL, TRUE, "ipaa", "ipaa",
381  0, 0, 0, &WOPT_Enable_IPAA, NULL },
382  { OVK_NAME, OV_INTERNAL, TRUE, "ipaa_file", "ipaa_f",
383  0, 0, 0, &Ipa_File_Name, NULL },
384  { OVK_BOOL, OV_INTERNAL, TRUE, "iv_elimination", "iv_elim",
385  0, 0, 0, &WOPT_Enable_IVE, NULL },
386  { OVK_BOOL, OV_INTERNAL, TRUE, "ive_old", "ive_old",
387  0, 0, 0, &WOPT_Enable_IVE_Old, NULL },
388  { OVK_BOOL, OV_INTERNAL, TRUE, "iv_recognition", "iv_recog",
389  0, 0, 0, &WOPT_Enable_IVR, NULL },
390  { OVK_INT32, OV_INTERNAL, TRUE, "ivr_expand_limit", "",
391  1000, 0, INT32_MAX, &WOPT_Enable_IVR_Expand_Limit, NULL },
392  { OVK_BOOL, OV_INTERNAL, TRUE, "iv_outer_parallel", "",
393  0, 0, 0, &WOPT_Enable_IVR_Outermost_Loop_Parallel_Region, NULL },
394  { OVK_BOOL, OV_INTERNAL, TRUE, "ivar_common", "ivar",
395  0, 0, 0, &WOPT_Enable_Ivar_Common, NULL },
396  { OVK_BOOL, OV_INTERNAL, TRUE, "ivar_pre", "ivar_pre",
397  0, 0, 0, &WOPT_Enable_Ivar_PRE, NULL },
398  { OVK_BOOL, OV_INTERNAL, TRUE, "ivincr_cand", "ivincr",
399  0, 0, 0, &WOPT_Enable_Ivincr_Cand, NULL },
400  { OVK_INT32, OV_INTERNAL, TRUE, "ldx_ratio_regins", "ldx_ratio",
401  0, 0, 4096, &WOPT_Ldx_Ratio_RegIns, NULL },
402  { OVK_BOOL, OV_INTERNAL, TRUE, "ldx", "ldx",
403  0, 0, 0, &WOPT_Enable_Ldx, NULL },
404  { OVK_BOOL, OV_INTERNAL, TRUE, "lego_opt", "lego",
405  0, 0, 0, &WOPT_Enable_Lego_Opt, NULL },
406  { OVK_BOOL, OV_INTERNAL, TRUE, "lftr", "lftr",
407  0, 0, 0, &WOPT_Enable_LFTR, NULL },
408  { OVK_BOOL, OV_INTERNAL, TRUE, "lftr_ivar", "lftr_ivar",
409  0, 0, 0, &WOPT_Enable_LFTR_Ivar, NULL },
410  { OVK_BOOL, OV_INTERNAL, TRUE, "lftr2", "lftr2",
411  0, 0, 0, &WOPT_Enable_LFTR2, NULL },
412  { OVK_INT32, OV_INTERNAL, TRUE, "lftr2_limit", "lftr2_limit",
413  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_LFTR2_Limit, NULL },
414  { OVK_BOOL, OV_INTERNAL, TRUE, "lpre", "lpre",
415  0, 0, 0, &WOPT_Enable_Load_PRE, NULL },
416  { OVK_INT32, OV_INTERNAL, TRUE, "lpre_limit", "",
417  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Load_PRE_Limit, NULL },
418  { OVK_BOOL, OV_INTERNAL, TRUE, "loop_invarexp", "loop_invar",
419  0, 0, 0, &WOPT_Enable_Loopinvarexp_Str_Reduction, NULL },
420  { OVK_BOOL, OV_INTERNAL, FALSE, "lower_short_circuit", "",
421  0, 0, 0, &WOPT_Enable_Lower_Short_Circuit, &WOPT_Enable_Lower_Short_Circuit_Set },
422  { OVK_BOOL, OV_INTERNAL, TRUE, "minmax", "minmax",
423  0, 0, 0, &WOPT_Enable_MINMAX, NULL },
424  { OVK_BOOL, OV_INTERNAL, TRUE, "min_type", "min_type",
425  0, 0, 0, &WOPT_Enable_Min_Type, NULL },
426  { OVK_BOOL, OV_INTERNAL, TRUE, "intrinsic", "intrinsic",
427  0, 0, 0, &WOPT_Enable_Move_Intrinsicop, NULL },
428  { OVK_BOOL, OV_INTERNAL, TRUE, "mp_varref", "mp_varref",
429  0, 0, 0, &WOPT_Enable_MP_varref, NULL },
430 #ifdef CHANGE_MIND_AGAIN
431  { OVK_BOOL, OV_INTERNAL, TRUE, "mp_const_prop", "mp_const_prop",
432  0, 0, 0, &WOPT_Enable_MP_Const_Prop, NULL },
433 #endif
434  { OVK_BOOL, OV_INTERNAL, TRUE, "spec_nix_lftr", "",
435  0, 0, 0, &WOPT_Enable_Speculation_Defeats_LFTR, NULL },
436  { OVK_BOOL, OV_INTERNAL, TRUE, "ssapre", "ssapre",
437  0, 0, 0, &WOPT_Enable_SSA_PRE, NULL },
438  { OVK_BOOL, OV_INTERNAL, TRUE, "new_sr", "",
439  0, 0, 0, &WOPT_Enable_New_SR, NULL },
440  { OVK_INT32, OV_INTERNAL, TRUE, "new_sr_limit", "new_sr_limit",
441  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_New_SR_Limit, NULL },
442  { OVK_BOOL, OV_INTERNAL, TRUE, "ocopy", "ocopy",
443  0, 0, 0, &WOPT_Enable_Output_Copy, NULL },
444  { OVK_INT32, OV_INTERNAL, TRUE, "ocopy_lookup_stmtcnt", "ocopy_lookup",
445  0, 0, 4096, &WOPT_Enable_Ocopy_Lookupstmt, NULL },
446  { OVK_BOOL, OV_INTERNAL, TRUE, "parm", "parm",
447  0, 0, 0, &WOPT_Enable_Parm, NULL },
448  { OVK_NAME, OV_INTERNAL, TRUE, "process", "process",
449  0, 0, 0, &WOPT_Enable_Process, NULL },
450  { OVK_BOOL, OV_INTERNAL, TRUE, "phi_simp", "phi",
451  0, 0, 0, &WOPT_Enable_Phi_Simp, NULL },
452  { OVK_BOOL, OV_INTERNAL, TRUE, "prop_ivar", "",
453  0, 0, 0, &WOPT_Enable_Prop_Ivar, NULL },
454  { OVK_BOOL, OV_INTERNAL, FALSE, "prop_cse", "",
455  0, 0, 0, &WOPT_Enable_Prop_CSE, NULL },
456  { OVK_INT32, OV_INTERNAL, TRUE, "prop_limit", "",
457  14, 0, INT32_MAX, &WOPT_Enable_Prop_Limit, NULL }, /* PV 468862 */
458  { OVK_BOOL, OV_INTERNAL, TRUE, "prune", "",
459  0, 0, 0, &WOPT_Enable_Prune, NULL },
460  { OVK_BOOL, OV_INTERNAL, TRUE, "replace_second_iv", "",
461  0, 0, 0, &WOPT_Enable_Replace_Second_IV, NULL },
462  { OVK_BOOL, OV_INTERNAL, TRUE, "replace_while_loop_second_iv", "",
463  0, 0, 0, &WOPT_Enable_Replace_While_Loop_Second_IV, NULL },
464  { OVK_BOOL, OV_INTERNAL, TRUE, "restricted_map", "",
465  0, 0, 0, &WOPT_Enable_Restricted_Map, NULL },
466  { OVK_INT32, OV_INTERNAL, TRUE, "rsv_bits", "rsv",
467  0, 0, 4096, &WOPT_Enable_Rsv_Bits, NULL },
468  { OVK_BOOL, OV_INTERNAL, TRUE, "rvi_enable", "rvi",
469  0, 0, 0, &WOPT_Enable_RVI, NULL },
470  { OVK_BOOL, OV_INTERNAL, TRUE, "rvi1", "",
471  0, 0, 0, &WOPT_Enable_RVI1, NULL },
472  { OVK_BOOL, OV_INTERNAL, TRUE, "rvi2", "",
473  0, 0, 0, &WOPT_Enable_RVI2, NULL },
474  { OVK_BOOL, OV_INTERNAL, TRUE, "rviistore", "",
475  0, 0, 0, &WOPT_Enable_Rviistore, NULL },
476  { OVK_NAME, OV_INTERNAL, TRUE, "rviskip", "",
477  0, 0, 0, &WOPT_Enable_Rviskip, NULL },
478  { OVK_BOOL, OV_INTERNAL, TRUE, "rvisplit", "",
479  0, 0, 0, &WOPT_Enable_Rvisplit, NULL },
480  { OVK_BOOL, OV_INTERNAL, TRUE, "rvivsym", "",
481  0, 0, 0, &WOPT_Enable_Rvivsym, NULL },
482  { OVK_BOOL, OV_INTERNAL, TRUE, "second_order", "second",
483  0, 0, 0, &WOPT_Enable_Second_Order, NULL },
484  { OVK_NAME, OV_INTERNAL, TRUE, "skip", "skip",
485  0, 0, 0, &WOPT_Enable_Skip, NULL },
486  { OVK_LIST, OV_INTERNAL, TRUE, "skip_after", "skip_a",
487  0, 0, 0, &WOPT_Skip, NULL },
488  { OVK_LIST, OV_INTERNAL, TRUE, "skip_before", "skip_b",
489  0, 0, 0, &WOPT_Skip, NULL },
490  { OVK_LIST, OV_INTERNAL, TRUE, "skip_equal", "skip_e",
491  0, 0, 0, &WOPT_Skip, NULL },
492  { OVK_BOOL, OV_INTERNAL, TRUE, "ssa_minimization", "ssa_min",
493  0, 0, 0, &WOPT_Enable_SSA_Minimization, NULL },
494  { OVK_BOOL, OV_INTERNAL, TRUE, "spre", "spre",
495  0, 0, 0, &WOPT_Enable_Store_PRE, NULL },
496  { OVK_INT32, OV_INTERNAL, TRUE, "spre_limit", "",
497  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Store_PRE_Limit, NULL },
498  { OVK_BOOL, OV_INTERNAL, TRUE, "strength_reduction", "str",
499  0, 0, 0, &WOPT_Enable_Strength_Reduction, NULL },
500  { OVK_BOOL, OV_INTERNAL, TRUE, "slt", "slt",
501  0, 0, 0, &WOPT_Enable_SLT, NULL },
502  { OVK_BOOL, OV_INTERNAL, TRUE, "small_br_target", "small_br",
503  0, 0, 0, &WOPT_Enable_Small_Br_Target, NULL },
504  { OVK_INT32, OV_INTERNAL, TRUE, "trip_count", "trip",
505  2, 0, 2, &WOPT_Enable_Generate_Trip_Count, NULL },
506  { OVK_BOOL, OV_INTERNAL, TRUE, "update_vsym", "update_vsym",
507  0, 0, 0, &WOPT_Enable_Update_Vsym, NULL },
508  { OVK_BOOL, OV_INTERNAL, TRUE, "unique_pt_vsym", "",
509  0, 0, 0, &WOPT_Enable_Unique_Pt_Vsym, NULL },
510  { OVK_INT32, OV_INTERNAL, TRUE, "value_numbering", "val",
511  1, 0, 4, &WOPT_Enable_Value_Numbering, NULL },
512  { OVK_BOOL, OV_INTERNAL, TRUE, "verbose", "v",
513  0, 0, 0, &WOPT_Enable_Verbose, NULL },
514  { OVK_INT32, OV_INTERNAL, TRUE, "verify", "verify",
515  1, 0, 4, &WOPT_Enable_Verify, NULL },
516  { OVK_BOOL, OV_INTERNAL, TRUE, "while_loop", "while",
517  0, 0, 0, &WOPT_Enable_While_Loop, NULL },
518  { OVK_BOOL, OV_INTERNAL, TRUE, "worklist_prune", "worklist_prune",
519  0, 0, 0, &WOPT_Enable_Worklist_Pruning, NULL },
520  { OVK_BOOL, OV_INTERNAL, TRUE, "zero_version", "zero",
521  0, 0, 0, &WOPT_Enable_Zero_Version, NULL },
522  { OVK_BOOL, OV_INTERNAL, TRUE, "call_zero_version", "call_zero",
523  0, 0, 0, &WOPT_Enable_Call_Zero_Version, NULL },
524  { OVK_BOOL, OV_INTERNAL, TRUE, "vsym_unique", "vsym",
525  0, 0, 0, &WOPT_Enable_Vsym_Unique, NULL },
526  { OVK_BOOL, OV_INTERNAL, TRUE, "dse_aggressive", "dse",
527  0, 0, 0, &WOPT_Enable_Dse_Aggressive, NULL },
528  { OVK_BOOL, OV_INTERNAL, TRUE, "prop_aggressive", "prop",
529  0, 0, 0, &WOPT_Enable_Prop_Aggressive, NULL },
530  { OVK_BOOL, OV_INTERNAL, TRUE, "iload_prop", "iload",
531  0, 0, 0, &WOPT_Enable_Iload_Prop, NULL },
532  { OVK_BOOL, OV_INTERNAL, TRUE, "vn_full", "vn",
533  0, 0, 0, &WOPT_Enable_VN_Full, NULL },
534  { OVK_BOOL, OV_INTERNAL, TRUE, "simp_iload", "",
535  0, 0, 0, &WOPT_Enable_Simp_Iload, NULL },
536  { OVK_BOOL, OV_INTERNAL, TRUE, "if_conv", "",
537  0, 0, 0, &WOPT_Enable_Simple_If_Conv, NULL },
538  { OVK_BOOL, OV_INTERNAL, TRUE, "tail_recursion", "tail",
539  0, 0, 0, &WOPT_Enable_Tail_Recur, NULL },
540  { OVK_BOOL, OV_INTERNAL, TRUE, "edge_placement", "edge",
541  0, 0, 0, &WOPT_Enable_Edge_Placement, NULL },
542  { OVK_BOOL, OV_INTERNAL, TRUE, "backedge_placement", "backedge_p",
543  0, 0, 0, &WOPT_Enable_Backedge_Placement, NULL },
544  { OVK_BOOL, OV_INTERNAL, TRUE, "src_order", "",
545  0, 0, 0, &WOPT_Enable_Source_Order, NULL },
546  { OVK_NAME, OV_INTERNAL, TRUE, "set_unique_pt", "",
547  0, 0, 0, &WOPT_Set_Unique_Pt, NULL },
548  { OVK_BOOL, OV_INTERNAL, TRUE, "fold_cvt", "",
549  0, 0, 0, &WOPT_Enable_Cvt_Folding, NULL },
550  { OVK_BOOL, OV_INTERNAL, TRUE, "local_rvi", "",
551  0, 0, 0, &WOPT_Enable_Local_Rvi, NULL },
552  { OVK_BOOL, OV_INTERNAL, TRUE, "strong_barrier", "",
553  0, 0, 0, &WOPT_Enable_Strong_Barrier, NULL },
554  { OVK_BOOL, OV_INTERNAL, TRUE, "aggr_invariant", "",
555  0, 0, 0, &WOPT_Enable_Aggr_Invariant, NULL },
556  { OVK_INT32, OV_INTERNAL, TRUE, "lrvi_limit", "",
557  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Local_Rvi_Limit, NULL },
558  { OVK_BOOL, OV_INTERNAL, TRUE, "shrink", "",
559  0, 0, 0, &WOPT_Enable_Shrink, NULL },
560  { OVK_INT32, OV_INTERNAL, TRUE, "extra_rename", "",
561  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_Extra_Rename_Pass, &WOPT_Enable_Extra_Rename_Pass_Set },
562  { OVK_UINT32, OV_INTERNAL, TRUE, "extra_preopt", "extra_p",
563  0, 0, UINT32_MAX, &WOPT_Enable_Extra_Preopt_Pass, NULL },
564  { OVK_BOOL, OV_INTERNAL, TRUE, "bool_simp", "",
565  0, 0, 0, &WOPT_Enable_Bool_Simp, NULL },
566  { OVK_BOOL, OV_INTERNAL, FALSE, "fb_lpre", "",
567  0, 0, 0, &WOPT_Enable_Feedback_LPRE, NULL },
568  { OVK_BOOL, OV_INTERNAL, FALSE, "fb_epre", "",
569  0, 0, 0, &WOPT_Enable_Feedback_EPRE, NULL },
570  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo_display", "",
571  0, 0, 0, &WOPT_Enable_CFG_Display, NULL },
572  { OVK_BOOL, OV_INTERNAL, TRUE, "merge_multi_zone", "",
573  0, 0, 0, &WOPT_Enable_CFG_Merge_Multi_Zone, &WOPT_Enable_CFG_Merge_Multi_Zone_Set },
574  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo_main", "",
575  0, 0, 0, &WOPT_Enable_CFG_Opt, NULL },
576  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo1", "",
577  0, 0, 0, &WOPT_Enable_CFG_Opt1, NULL },
578  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo2", "",
579  0, 0, 0, &WOPT_Enable_CFG_Opt2, NULL },
580  { OVK_INT32, OV_INTERNAL, TRUE, "min_cfo2_coverage", "",
581  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_CFG_Opt2_Limit, NULL },
582  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo3", "",
583  0, 0, 0, &WOPT_Enable_CFG_Opt3, NULL },
584  { OVK_BOOL, OV_INTERNAL, FALSE, "cfo4", "",
585  0, 0, 0, &WOPT_Enable_CFG_Opt4, NULL },
586  { OVK_INT32, OV_INTERNAL, FALSE, "cfo_limit", "",
587  INT32_MAX, 0, INT32_MAX, &WOPT_Enable_CFG_Opt_Limit, NULL },
588  { OVK_INT32, OV_INTERNAL, TRUE, "vn_ivc", "",
589  1, 0, 8, &WOPT_Enable_Vn_Ivc, NULL },
590  { OVK_UINT32, OV_INTERNAL, TRUE, "vnfre_after", "vnfre_a",
591  0, 0, UINT32_MAX, &WOPT_Enable_Vnfre_After, NULL },
592  { OVK_UINT32, OV_INTERNAL, TRUE, "vnfre_before", "vnfre_b",
593  UINT32_MAX, 0, UINT32_MAX, &WOPT_Enable_Vnfre_Before, NULL },
594  { OVK_BOOL, OV_INTERNAL, TRUE, "bit_field", "",
595  0, 0, 0, &WOPT_Enable_Bits_Load_Store, NULL },
596  { OVK_BOOL, OV_INTERNAL, TRUE, "epre4ivr", "epre4ivr",
597  0, 0, 0, &WOPT_Enable_Epre_Before_Ivr, NULL },
598  { OVK_BOOL, OV_INTERNAL, TRUE, "lpre4ivr", "lpre4ivr",
599  0, 0, 0, &WOPT_Enable_Lpre_Before_Ivr, NULL },
600  { OVK_BOOL, OV_INTERNAL, TRUE, "spre4ivr", "spre4ivr",
601  0, 0, 0, &WOPT_Enable_Spre_Before_Ivr, NULL },
602  { OVK_BOOL, OV_INTERNAL, TRUE, "bdce4ivr", "bdce4ivr",
603  0, 0, 0, &WOPT_Enable_Bdce_Before_Ivr, NULL },
604  { OVK_BOOL, OV_INTERNAL, TRUE, "new_phase_order", "new_phase_order",
605  TRUE, 0, 0, &WOPT_Enable_New_Phase_Ordering, NULL },
606  { OVK_COUNT } /* List terminator -- must be last */
607 };