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111
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1 /* Dump infrastructure for optimizations and intermediate representation.
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2 Copyright (C) 2012-2017 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #include "config.h"
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21 #include "system.h"
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22 #include "coretypes.h"
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23 #include "options.h"
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24 #include "tree.h"
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25 #include "gimple-pretty-print.h"
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26 #include "diagnostic-core.h"
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27 #include "dumpfile.h"
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28 #include "context.h"
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29 #include "profile-count.h"
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30 #include "tree-cfg.h"
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31 #include "langhooks.h"
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32
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33 /* If non-NULL, return one past-the-end of the matching SUBPART of
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34 the WHOLE string. */
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35 #define skip_leading_substring(whole, part) \
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36 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
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37
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38 static dump_flags_t pflags; /* current dump_flags */
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39 static dump_flags_t alt_flags; /* current opt_info flags */
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40
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41 static void dump_loc (dump_flags_t, FILE *, source_location);
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42 static FILE *dump_open_alternate_stream (struct dump_file_info *);
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43
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44 /* These are currently used for communicating between passes.
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45 However, instead of accessing them directly, the passes can use
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46 dump_printf () for dumps. */
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47 FILE *dump_file = NULL;
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48 FILE *alt_dump_file = NULL;
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49 const char *dump_file_name;
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50 dump_flags_t dump_flags;
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51
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52 #define DUMP_FILE_INFO(suffix, swtch, dkind, num) \
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53 {suffix, swtch, NULL, NULL, NULL, NULL, NULL, dkind, 0, 0, 0, 0, 0, num, \
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54 false, false}
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55
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56 /* Table of tree dump switches. This must be consistent with the
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57 TREE_DUMP_INDEX enumeration in dumpfile.h. */
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58 static struct dump_file_info dump_files[TDI_end] =
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59 {
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60 DUMP_FILE_INFO (NULL, NULL, DK_none, 0),
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61 DUMP_FILE_INFO (".cgraph", "ipa-cgraph", DK_ipa, 0),
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62 DUMP_FILE_INFO (".type-inheritance", "ipa-type-inheritance", DK_ipa, 0),
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63 DUMP_FILE_INFO (".ipa-clones", "ipa-clones", DK_ipa, 0),
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64 DUMP_FILE_INFO (".original", "tree-original", DK_tree, 0),
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65 DUMP_FILE_INFO (".gimple", "tree-gimple", DK_tree, 0),
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66 DUMP_FILE_INFO (".nested", "tree-nested", DK_tree, 0),
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67 #define FIRST_AUTO_NUMBERED_DUMP 1
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68 #define FIRST_ME_AUTO_NUMBERED_DUMP 3
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69
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70 DUMP_FILE_INFO (NULL, "lang-all", DK_lang, 0),
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71 DUMP_FILE_INFO (NULL, "tree-all", DK_tree, 0),
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72 DUMP_FILE_INFO (NULL, "rtl-all", DK_rtl, 0),
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73 DUMP_FILE_INFO (NULL, "ipa-all", DK_ipa, 0),
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74 };
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75
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76 /* Define a name->number mapping for a dump flag value. */
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77 struct dump_option_value_info
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78 {
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79 const char *const name; /* the name of the value */
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80 const dump_flags_t value; /* the value of the name */
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81 };
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82
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83 /* Table of dump options. This must be consistent with the TDF_* flags
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84 in dumpfile.h and opt_info_options below. */
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85 static const struct dump_option_value_info dump_options[] =
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86 {
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87 {"address", TDF_ADDRESS},
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88 {"asmname", TDF_ASMNAME},
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89 {"slim", TDF_SLIM},
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90 {"raw", TDF_RAW},
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91 {"graph", TDF_GRAPH},
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92 {"details", (TDF_DETAILS | MSG_OPTIMIZED_LOCATIONS
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93 | MSG_MISSED_OPTIMIZATION
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94 | MSG_NOTE)},
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95 {"cselib", TDF_CSELIB},
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96 {"stats", TDF_STATS},
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97 {"blocks", TDF_BLOCKS},
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98 {"vops", TDF_VOPS},
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99 {"lineno", TDF_LINENO},
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100 {"uid", TDF_UID},
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101 {"stmtaddr", TDF_STMTADDR},
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102 {"memsyms", TDF_MEMSYMS},
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103 {"eh", TDF_EH},
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104 {"alias", TDF_ALIAS},
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105 {"nouid", TDF_NOUID},
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106 {"enumerate_locals", TDF_ENUMERATE_LOCALS},
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107 {"scev", TDF_SCEV},
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108 {"gimple", TDF_GIMPLE},
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109 {"folding", TDF_FOLDING},
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110 {"optimized", MSG_OPTIMIZED_LOCATIONS},
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111 {"missed", MSG_MISSED_OPTIMIZATION},
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112 {"note", MSG_NOTE},
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113 {"optall", MSG_ALL},
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114 {"all", dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
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115 | TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
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116 | TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
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117 {NULL, 0}
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118 };
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119
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120 /* A subset of the dump_options table which is used for -fopt-info
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121 types. This must be consistent with the MSG_* flags in dumpfile.h.
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122 */
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123 static const struct dump_option_value_info optinfo_verbosity_options[] =
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124 {
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125 {"optimized", MSG_OPTIMIZED_LOCATIONS},
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126 {"missed", MSG_MISSED_OPTIMIZATION},
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127 {"note", MSG_NOTE},
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128 {"all", MSG_ALL},
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129 {NULL, 0}
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130 };
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131
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132 /* Flags used for -fopt-info groups. */
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133 static const struct dump_option_value_info optgroup_options[] =
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134 {
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135 {"ipa", OPTGROUP_IPA},
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136 {"loop", OPTGROUP_LOOP},
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137 {"inline", OPTGROUP_INLINE},
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138 {"omp", OPTGROUP_OMP},
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139 {"vec", OPTGROUP_VEC},
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140 {"optall", OPTGROUP_ALL},
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141 {NULL, 0}
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142 };
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143
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144 gcc::dump_manager::dump_manager ():
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145 m_next_dump (FIRST_AUTO_NUMBERED_DUMP),
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146 m_extra_dump_files (NULL),
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147 m_extra_dump_files_in_use (0),
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148 m_extra_dump_files_alloced (0)
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149 {
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150 }
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151
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152 gcc::dump_manager::~dump_manager ()
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153 {
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154 for (size_t i = 0; i < m_extra_dump_files_in_use; i++)
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155 {
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156 dump_file_info *dfi = &m_extra_dump_files[i];
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157 /* suffix, swtch, glob are statically allocated for the entries
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158 in dump_files, and for statistics, but are dynamically allocated
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159 for those for passes. */
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160 if (dfi->owns_strings)
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161 {
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162 XDELETEVEC (const_cast <char *> (dfi->suffix));
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163 XDELETEVEC (const_cast <char *> (dfi->swtch));
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164 XDELETEVEC (const_cast <char *> (dfi->glob));
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165 }
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166 /* These, if non-NULL, are always dynamically allocated. */
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167 XDELETEVEC (const_cast <char *> (dfi->pfilename));
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168 XDELETEVEC (const_cast <char *> (dfi->alt_filename));
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169 }
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170 XDELETEVEC (m_extra_dump_files);
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171 }
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172
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173 unsigned int
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174 gcc::dump_manager::
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175 dump_register (const char *suffix, const char *swtch, const char *glob,
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176 dump_kind dkind, int optgroup_flags, bool take_ownership)
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177 {
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178 int num = m_next_dump++;
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179
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180 size_t count = m_extra_dump_files_in_use++;
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181
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182 if (count >= m_extra_dump_files_alloced)
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183 {
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184 if (m_extra_dump_files_alloced == 0)
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185 m_extra_dump_files_alloced = 512;
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186 else
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187 m_extra_dump_files_alloced *= 2;
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188 m_extra_dump_files = XRESIZEVEC (struct dump_file_info,
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189 m_extra_dump_files,
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190 m_extra_dump_files_alloced);
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191
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192 /* Construct a new object in the space allocated above. */
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193 new (m_extra_dump_files + count) dump_file_info ();
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194 }
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195 else
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196 {
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197 /* Zero out the already constructed object. */
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198 m_extra_dump_files[count] = dump_file_info ();
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199 }
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200
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201 m_extra_dump_files[count].suffix = suffix;
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202 m_extra_dump_files[count].swtch = swtch;
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203 m_extra_dump_files[count].glob = glob;
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204 m_extra_dump_files[count].dkind = dkind;
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205 m_extra_dump_files[count].optgroup_flags = optgroup_flags;
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206 m_extra_dump_files[count].num = num;
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207 m_extra_dump_files[count].owns_strings = take_ownership;
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208
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209 return count + TDI_end;
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210 }
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211
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212
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213 /* Allow languages and middle-end to register their dumps before the
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214 optimization passes. */
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215
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216 void
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217 gcc::dump_manager::
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218 register_dumps ()
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219 {
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220 lang_hooks.register_dumps (this);
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221 /* If this assert fails, some FE registered more than
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222 FIRST_ME_AUTO_NUMBERED_DUMP - FIRST_AUTO_NUMBERED_DUMP
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223 dump files. Bump FIRST_ME_AUTO_NUMBERED_DUMP accordingly. */
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224 gcc_assert (m_next_dump <= FIRST_ME_AUTO_NUMBERED_DUMP);
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225 m_next_dump = FIRST_ME_AUTO_NUMBERED_DUMP;
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226 dump_files[TDI_original].num = m_next_dump++;
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227 dump_files[TDI_gimple].num = m_next_dump++;
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228 dump_files[TDI_nested].num = m_next_dump++;
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229 }
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230
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231
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232 /* Return the dump_file_info for the given phase. */
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233
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234 struct dump_file_info *
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235 gcc::dump_manager::
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236 get_dump_file_info (int phase) const
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237 {
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238 if (phase < TDI_end)
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239 return &dump_files[phase];
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240 else if ((size_t) (phase - TDI_end) >= m_extra_dump_files_in_use)
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241 return NULL;
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242 else
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243 return m_extra_dump_files + (phase - TDI_end);
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244 }
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245
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246 /* Locate the dump_file_info with swtch equal to SWTCH,
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247 or return NULL if no such dump_file_info exists. */
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248
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249 struct dump_file_info *
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250 gcc::dump_manager::
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251 get_dump_file_info_by_switch (const char *swtch) const
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252 {
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253 for (unsigned i = 0; i < m_extra_dump_files_in_use; i++)
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254 if (0 == strcmp (m_extra_dump_files[i].swtch, swtch))
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255 return &m_extra_dump_files[i];
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256
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257 /* Not found. */
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258 return NULL;
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259 }
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260
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261
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262 /* Return the name of the dump file for the given phase.
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263 The caller is responsible for calling free on the returned
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264 buffer.
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265 If the dump is not enabled, returns NULL. */
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266
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267 char *
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268 gcc::dump_manager::
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269 get_dump_file_name (int phase) const
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270 {
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271 struct dump_file_info *dfi;
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272
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273 if (phase == TDI_none)
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274 return NULL;
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275
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276 dfi = get_dump_file_info (phase);
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277
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278 return get_dump_file_name (dfi);
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279 }
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280
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281 /* Return the name of the dump file for the given dump_file_info.
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282 The caller is responsible for calling free on the returned
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283 buffer.
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284 If the dump is not enabled, returns NULL. */
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285
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286 char *
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287 gcc::dump_manager::
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288 get_dump_file_name (struct dump_file_info *dfi) const
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289 {
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290 char dump_id[10];
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291
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292 gcc_assert (dfi);
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293
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294 if (dfi->pstate == 0)
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295 return NULL;
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296
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297 /* If available, use the command line dump filename. */
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298 if (dfi->pfilename)
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299 return xstrdup (dfi->pfilename);
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300
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301 if (dfi->num < 0)
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302 dump_id[0] = '\0';
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303 else
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304 {
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305 /* (null), LANG, TREE, RTL, IPA. */
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306 char suffix = " ltri"[dfi->dkind];
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307
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308 if (snprintf (dump_id, sizeof (dump_id), ".%03d%c", dfi->num, suffix) < 0)
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309 dump_id[0] = '\0';
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310 }
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311
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312 return concat (dump_base_name, dump_id, dfi->suffix, NULL);
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313 }
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314
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315 /* For a given DFI, open an alternate dump filename (which could also
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316 be a standard stream such as stdout/stderr). If the alternate dump
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317 file cannot be opened, return NULL. */
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318
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319 static FILE *
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320 dump_open_alternate_stream (struct dump_file_info *dfi)
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321 {
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322 FILE *stream ;
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323 if (!dfi->alt_filename)
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324 return NULL;
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325
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326 if (dfi->alt_stream)
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327 return dfi->alt_stream;
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328
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329 stream = strcmp ("stderr", dfi->alt_filename) == 0
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330 ? stderr
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331 : strcmp ("stdout", dfi->alt_filename) == 0
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332 ? stdout
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333 : fopen (dfi->alt_filename, dfi->alt_state < 0 ? "w" : "a");
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334
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335 if (!stream)
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336 error ("could not open dump file %qs: %m", dfi->alt_filename);
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337 else
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338 dfi->alt_state = 1;
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339
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340 return stream;
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341 }
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342
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343 /* Print source location on DFILE if enabled. */
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344
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345 void
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346 dump_loc (dump_flags_t dump_kind, FILE *dfile, source_location loc)
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347 {
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348 if (dump_kind)
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349 {
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350 if (LOCATION_LOCUS (loc) > BUILTINS_LOCATION)
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351 fprintf (dfile, "%s:%d:%d: note: ", LOCATION_FILE (loc),
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352 LOCATION_LINE (loc), LOCATION_COLUMN (loc));
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353 else if (current_function_decl)
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354 fprintf (dfile, "%s:%d:%d: note: ",
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355 DECL_SOURCE_FILE (current_function_decl),
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356 DECL_SOURCE_LINE (current_function_decl),
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357 DECL_SOURCE_COLUMN (current_function_decl));
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358 }
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359 }
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360
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361 /* Dump gimple statement GS with SPC indentation spaces and
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362 EXTRA_DUMP_FLAGS on the dump streams if DUMP_KIND is enabled. */
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363
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364 void
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365 dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
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366 gimple *gs, int spc)
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367 {
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368 if (dump_file && (dump_kind & pflags))
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369 print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);
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370
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371 if (alt_dump_file && (dump_kind & alt_flags))
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372 print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
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373 }
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374
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375 /* Similar to dump_gimple_stmt, except additionally print source location. */
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376
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377 void
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378 dump_gimple_stmt_loc (dump_flags_t dump_kind, source_location loc,
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379 dump_flags_t extra_dump_flags, gimple *gs, int spc)
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380 {
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381 if (dump_file && (dump_kind & pflags))
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382 {
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383 dump_loc (dump_kind, dump_file, loc);
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384 print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);
|
|
|
385 }
|
|
|
386
|
|
|
387 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
388 {
|
|
|
389 dump_loc (dump_kind, alt_dump_file, loc);
|
|
|
390 print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
|
|
|
391 }
|
|
|
392 }
|
|
|
393
|
|
|
394 /* Dump expression tree T using EXTRA_DUMP_FLAGS on dump streams if
|
|
|
395 DUMP_KIND is enabled. */
|
|
|
396
|
|
|
397 void
|
|
|
398 dump_generic_expr (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
|
|
|
399 tree t)
|
|
|
400 {
|
|
|
401 if (dump_file && (dump_kind & pflags))
|
|
|
402 print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);
|
|
|
403
|
|
|
404 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
405 print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
|
|
|
406 }
|
|
|
407
|
|
|
408
|
|
|
409 /* Similar to dump_generic_expr, except additionally print the source
|
|
|
410 location. */
|
|
|
411
|
|
|
412 void
|
|
|
413 dump_generic_expr_loc (int dump_kind, source_location loc,
|
|
|
414 dump_flags_t extra_dump_flags, tree t)
|
|
|
415 {
|
|
|
416 if (dump_file && (dump_kind & pflags))
|
|
|
417 {
|
|
|
418 dump_loc (dump_kind, dump_file, loc);
|
|
|
419 print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);
|
|
|
420 }
|
|
|
421
|
|
|
422 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
423 {
|
|
|
424 dump_loc (dump_kind, alt_dump_file, loc);
|
|
|
425 print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
|
|
|
426 }
|
|
|
427 }
|
|
|
428
|
|
|
429 /* Output a formatted message using FORMAT on appropriate dump streams. */
|
|
|
430
|
|
|
431 void
|
|
|
432 dump_printf (dump_flags_t dump_kind, const char *format, ...)
|
|
|
433 {
|
|
|
434 if (dump_file && (dump_kind & pflags))
|
|
|
435 {
|
|
|
436 va_list ap;
|
|
|
437 va_start (ap, format);
|
|
|
438 vfprintf (dump_file, format, ap);
|
|
|
439 va_end (ap);
|
|
|
440 }
|
|
|
441
|
|
|
442 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
443 {
|
|
|
444 va_list ap;
|
|
|
445 va_start (ap, format);
|
|
|
446 vfprintf (alt_dump_file, format, ap);
|
|
|
447 va_end (ap);
|
|
|
448 }
|
|
|
449 }
|
|
|
450
|
|
|
451 /* Similar to dump_printf, except source location is also printed. */
|
|
|
452
|
|
|
453 void
|
|
|
454 dump_printf_loc (dump_flags_t dump_kind, source_location loc,
|
|
|
455 const char *format, ...)
|
|
|
456 {
|
|
|
457 if (dump_file && (dump_kind & pflags))
|
|
|
458 {
|
|
|
459 va_list ap;
|
|
|
460 dump_loc (dump_kind, dump_file, loc);
|
|
|
461 va_start (ap, format);
|
|
|
462 vfprintf (dump_file, format, ap);
|
|
|
463 va_end (ap);
|
|
|
464 }
|
|
|
465
|
|
|
466 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
467 {
|
|
|
468 va_list ap;
|
|
|
469 dump_loc (dump_kind, alt_dump_file, loc);
|
|
|
470 va_start (ap, format);
|
|
|
471 vfprintf (alt_dump_file, format, ap);
|
|
|
472 va_end (ap);
|
|
|
473 }
|
|
|
474 }
|
|
|
475
|
|
|
476 /* Start a dump for PHASE. Store user-supplied dump flags in
|
|
|
477 *FLAG_PTR. Return the number of streams opened. Set globals
|
|
|
478 DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and
|
|
|
479 set dump_flags appropriately for both pass dump stream and
|
|
|
480 -fopt-info stream. */
|
|
|
481
|
|
|
482 int
|
|
|
483 gcc::dump_manager::
|
|
|
484 dump_start (int phase, dump_flags_t *flag_ptr)
|
|
|
485 {
|
|
|
486 int count = 0;
|
|
|
487 char *name;
|
|
|
488 struct dump_file_info *dfi;
|
|
|
489 FILE *stream;
|
|
|
490 if (phase == TDI_none || !dump_phase_enabled_p (phase))
|
|
|
491 return 0;
|
|
|
492
|
|
|
493 dfi = get_dump_file_info (phase);
|
|
|
494 name = get_dump_file_name (phase);
|
|
|
495 if (name)
|
|
|
496 {
|
|
|
497 stream = strcmp ("stderr", name) == 0
|
|
|
498 ? stderr
|
|
|
499 : strcmp ("stdout", name) == 0
|
|
|
500 ? stdout
|
|
|
501 : fopen (name, dfi->pstate < 0 ? "w" : "a");
|
|
|
502 if (!stream)
|
|
|
503 error ("could not open dump file %qs: %m", name);
|
|
|
504 else
|
|
|
505 {
|
|
|
506 dfi->pstate = 1;
|
|
|
507 count++;
|
|
|
508 }
|
|
|
509 free (name);
|
|
|
510 dfi->pstream = stream;
|
|
|
511 dump_file = dfi->pstream;
|
|
|
512 /* Initialize current dump flags. */
|
|
|
513 pflags = dfi->pflags;
|
|
|
514 }
|
|
|
515
|
|
|
516 stream = dump_open_alternate_stream (dfi);
|
|
|
517 if (stream)
|
|
|
518 {
|
|
|
519 dfi->alt_stream = stream;
|
|
|
520 count++;
|
|
|
521 alt_dump_file = dfi->alt_stream;
|
|
|
522 /* Initialize current -fopt-info flags. */
|
|
|
523 alt_flags = dfi->alt_flags;
|
|
|
524 }
|
|
|
525
|
|
|
526 if (flag_ptr)
|
|
|
527 *flag_ptr = dfi->pflags;
|
|
|
528
|
|
|
529 return count;
|
|
|
530 }
|
|
|
531
|
|
|
532 /* Finish a tree dump for PHASE and close associated dump streams. Also
|
|
|
533 reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS. */
|
|
|
534
|
|
|
535 void
|
|
|
536 gcc::dump_manager::
|
|
|
537 dump_finish (int phase)
|
|
|
538 {
|
|
|
539 struct dump_file_info *dfi;
|
|
|
540
|
|
|
541 if (phase < 0)
|
|
|
542 return;
|
|
|
543 dfi = get_dump_file_info (phase);
|
|
|
544 if (dfi->pstream && (!dfi->pfilename
|
|
|
545 || (strcmp ("stderr", dfi->pfilename) != 0
|
|
|
546 && strcmp ("stdout", dfi->pfilename) != 0)))
|
|
|
547 fclose (dfi->pstream);
|
|
|
548
|
|
|
549 if (dfi->alt_stream && strcmp ("stderr", dfi->alt_filename) != 0
|
|
|
550 && strcmp ("stdout", dfi->alt_filename) != 0)
|
|
|
551 fclose (dfi->alt_stream);
|
|
|
552
|
|
|
553 dfi->alt_stream = NULL;
|
|
|
554 dfi->pstream = NULL;
|
|
|
555 dump_file = NULL;
|
|
|
556 alt_dump_file = NULL;
|
|
|
557 dump_flags = TDI_none;
|
|
|
558 alt_flags = 0;
|
|
|
559 pflags = 0;
|
|
|
560 }
|
|
|
561
|
|
|
562 /* Begin a tree dump for PHASE. Stores any user supplied flag in
|
|
|
563 *FLAG_PTR and returns a stream to write to. If the dump is not
|
|
|
564 enabled, returns NULL.
|
|
|
565 Multiple calls will reopen and append to the dump file. */
|
|
|
566
|
|
|
567 FILE *
|
|
|
568 dump_begin (int phase, dump_flags_t *flag_ptr)
|
|
|
569 {
|
|
|
570 return g->get_dumps ()->dump_begin (phase, flag_ptr);
|
|
|
571 }
|
|
|
572
|
|
|
573 FILE *
|
|
|
574 gcc::dump_manager::
|
|
|
575 dump_begin (int phase, dump_flags_t *flag_ptr)
|
|
|
576 {
|
|
|
577 char *name;
|
|
|
578 struct dump_file_info *dfi;
|
|
|
579 FILE *stream;
|
|
|
580
|
|
|
581 if (phase == TDI_none || !dump_phase_enabled_p (phase))
|
|
|
582 return NULL;
|
|
|
583
|
|
|
584 name = get_dump_file_name (phase);
|
|
|
585 if (!name)
|
|
|
586 return NULL;
|
|
|
587 dfi = get_dump_file_info (phase);
|
|
|
588
|
|
|
589 stream = strcmp ("stderr", name) == 0
|
|
|
590 ? stderr
|
|
|
591 : strcmp ("stdout", name) == 0
|
|
|
592 ? stdout
|
|
|
593 : fopen (name, dfi->pstate < 0 ? "w" : "a");
|
|
|
594
|
|
|
595 if (!stream)
|
|
|
596 error ("could not open dump file %qs: %m", name);
|
|
|
597 else
|
|
|
598 dfi->pstate = 1;
|
|
|
599 free (name);
|
|
|
600
|
|
|
601 if (flag_ptr)
|
|
|
602 *flag_ptr = dfi->pflags;
|
|
|
603
|
|
|
604 /* Initialize current flags */
|
|
|
605 pflags = dfi->pflags;
|
|
|
606 return stream;
|
|
|
607 }
|
|
|
608
|
|
|
609 /* Returns nonzero if dump PHASE is enabled for at least one stream.
|
|
|
610 If PHASE is TDI_tree_all, return nonzero if any dump is enabled for
|
|
|
611 any phase. */
|
|
|
612
|
|
|
613 int
|
|
|
614 gcc::dump_manager::
|
|
|
615 dump_phase_enabled_p (int phase) const
|
|
|
616 {
|
|
|
617 if (phase == TDI_tree_all)
|
|
|
618 {
|
|
|
619 size_t i;
|
|
|
620 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
|
|
|
621 if (dump_files[i].pstate || dump_files[i].alt_state)
|
|
|
622 return 1;
|
|
|
623 for (i = 0; i < m_extra_dump_files_in_use; i++)
|
|
|
624 if (m_extra_dump_files[i].pstate || m_extra_dump_files[i].alt_state)
|
|
|
625 return 1;
|
|
|
626 return 0;
|
|
|
627 }
|
|
|
628 else
|
|
|
629 {
|
|
|
630 struct dump_file_info *dfi = get_dump_file_info (phase);
|
|
|
631 return dfi->pstate || dfi->alt_state;
|
|
|
632 }
|
|
|
633 }
|
|
|
634
|
|
|
635 /* Returns nonzero if tree dump PHASE has been initialized. */
|
|
|
636
|
|
|
637 int
|
|
|
638 gcc::dump_manager::
|
|
|
639 dump_initialized_p (int phase) const
|
|
|
640 {
|
|
|
641 struct dump_file_info *dfi = get_dump_file_info (phase);
|
|
|
642 return dfi->pstate > 0 || dfi->alt_state > 0;
|
|
|
643 }
|
|
|
644
|
|
|
645 /* Returns the switch name of PHASE. */
|
|
|
646
|
|
|
647 const char *
|
|
|
648 dump_flag_name (int phase)
|
|
|
649 {
|
|
|
650 return g->get_dumps ()->dump_flag_name (phase);
|
|
|
651 }
|
|
|
652
|
|
|
653 const char *
|
|
|
654 gcc::dump_manager::
|
|
|
655 dump_flag_name (int phase) const
|
|
|
656 {
|
|
|
657 struct dump_file_info *dfi = get_dump_file_info (phase);
|
|
|
658 return dfi->swtch;
|
|
|
659 }
|
|
|
660
|
|
|
661 /* Finish a tree dump for PHASE. STREAM is the stream created by
|
|
|
662 dump_begin. */
|
|
|
663
|
|
|
664 void
|
|
|
665 dump_end (int phase ATTRIBUTE_UNUSED, FILE *stream)
|
|
|
666 {
|
|
|
667 if (stream != stderr && stream != stdout)
|
|
|
668 fclose (stream);
|
|
|
669 }
|
|
|
670
|
|
|
671 /* Enable all tree dumps with FLAGS on FILENAME. Return number of
|
|
|
672 enabled tree dumps. */
|
|
|
673
|
|
|
674 int
|
|
|
675 gcc::dump_manager::
|
|
|
676 dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename)
|
|
|
677 {
|
|
|
678 int n = 0;
|
|
|
679 size_t i;
|
|
|
680
|
|
|
681 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
|
|
|
682 {
|
|
|
683 if ((dump_files[i].dkind == dkind))
|
|
|
684 {
|
|
|
685 const char *old_filename = dump_files[i].pfilename;
|
|
|
686 dump_files[i].pstate = -1;
|
|
|
687 dump_files[i].pflags |= flags;
|
|
|
688 n++;
|
|
|
689 /* Override the existing filename. */
|
|
|
690 if (filename)
|
|
|
691 {
|
|
|
692 dump_files[i].pfilename = xstrdup (filename);
|
|
|
693 /* Since it is a command-line provided file, which is
|
|
|
694 common to all the phases, use it in append mode. */
|
|
|
695 dump_files[i].pstate = 1;
|
|
|
696 }
|
|
|
697 if (old_filename && filename != old_filename)
|
|
|
698 free (CONST_CAST (char *, old_filename));
|
|
|
699 }
|
|
|
700 }
|
|
|
701
|
|
|
702 for (i = 0; i < m_extra_dump_files_in_use; i++)
|
|
|
703 {
|
|
|
704 if ((m_extra_dump_files[i].dkind == dkind))
|
|
|
705 {
|
|
|
706 const char *old_filename = m_extra_dump_files[i].pfilename;
|
|
|
707 m_extra_dump_files[i].pstate = -1;
|
|
|
708 m_extra_dump_files[i].pflags |= flags;
|
|
|
709 n++;
|
|
|
710 /* Override the existing filename. */
|
|
|
711 if (filename)
|
|
|
712 {
|
|
|
713 m_extra_dump_files[i].pfilename = xstrdup (filename);
|
|
|
714 /* Since it is a command-line provided file, which is
|
|
|
715 common to all the phases, use it in append mode. */
|
|
|
716 m_extra_dump_files[i].pstate = 1;
|
|
|
717 }
|
|
|
718 if (old_filename && filename != old_filename)
|
|
|
719 free (CONST_CAST (char *, old_filename));
|
|
|
720 }
|
|
|
721 }
|
|
|
722
|
|
|
723 return n;
|
|
|
724 }
|
|
|
725
|
|
|
726 /* Enable -fopt-info dumps on all dump files matching OPTGROUP_FLAGS.
|
|
|
727 Enable dumps with FLAGS on FILENAME. Return the number of enabled
|
|
|
728 dumps. */
|
|
|
729
|
|
|
730 int
|
|
|
731 gcc::dump_manager::
|
|
|
732 opt_info_enable_passes (int optgroup_flags, dump_flags_t flags,
|
|
|
733 const char *filename)
|
|
|
734 {
|
|
|
735 int n = 0;
|
|
|
736 size_t i;
|
|
|
737
|
|
|
738 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
|
|
|
739 {
|
|
|
740 if ((dump_files[i].optgroup_flags & optgroup_flags))
|
|
|
741 {
|
|
|
742 const char *old_filename = dump_files[i].alt_filename;
|
|
|
743 /* Since this file is shared among different passes, it
|
|
|
744 should be opened in append mode. */
|
|
|
745 dump_files[i].alt_state = 1;
|
|
|
746 dump_files[i].alt_flags |= flags;
|
|
|
747 n++;
|
|
|
748 /* Override the existing filename. */
|
|
|
749 if (filename)
|
|
|
750 dump_files[i].alt_filename = xstrdup (filename);
|
|
|
751 if (old_filename && filename != old_filename)
|
|
|
752 free (CONST_CAST (char *, old_filename));
|
|
|
753 }
|
|
|
754 }
|
|
|
755
|
|
|
756 for (i = 0; i < m_extra_dump_files_in_use; i++)
|
|
|
757 {
|
|
|
758 if ((m_extra_dump_files[i].optgroup_flags & optgroup_flags))
|
|
|
759 {
|
|
|
760 const char *old_filename = m_extra_dump_files[i].alt_filename;
|
|
|
761 /* Since this file is shared among different passes, it
|
|
|
762 should be opened in append mode. */
|
|
|
763 m_extra_dump_files[i].alt_state = 1;
|
|
|
764 m_extra_dump_files[i].alt_flags |= flags;
|
|
|
765 n++;
|
|
|
766 /* Override the existing filename. */
|
|
|
767 if (filename)
|
|
|
768 m_extra_dump_files[i].alt_filename = xstrdup (filename);
|
|
|
769 if (old_filename && filename != old_filename)
|
|
|
770 free (CONST_CAST (char *, old_filename));
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 return n;
|
|
|
775 }
|
|
|
776
|
|
|
777 /* Parse ARG as a dump switch. Return nonzero if it is, and store the
|
|
|
778 relevant details in the dump_files array. */
|
|
|
779
|
|
|
780 int
|
|
|
781 gcc::dump_manager::
|
|
|
782 dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob)
|
|
|
783 {
|
|
|
784 const char *option_value;
|
|
|
785 const char *ptr;
|
|
|
786 dump_flags_t flags;
|
|
|
787
|
|
|
788 if (doglob && !dfi->glob)
|
|
|
789 return 0;
|
|
|
790
|
|
|
791 option_value = skip_leading_substring (arg, doglob ? dfi->glob : dfi->swtch);
|
|
|
792 if (!option_value)
|
|
|
793 return 0;
|
|
|
794
|
|
|
795 if (*option_value && *option_value != '-' && *option_value != '=')
|
|
|
796 return 0;
|
|
|
797
|
|
|
798 ptr = option_value;
|
|
|
799 flags = 0;
|
|
|
800
|
|
|
801 while (*ptr)
|
|
|
802 {
|
|
|
803 const struct dump_option_value_info *option_ptr;
|
|
|
804 const char *end_ptr;
|
|
|
805 const char *eq_ptr;
|
|
|
806 unsigned length;
|
|
|
807
|
|
|
808 while (*ptr == '-')
|
|
|
809 ptr++;
|
|
|
810 end_ptr = strchr (ptr, '-');
|
|
|
811 eq_ptr = strchr (ptr, '=');
|
|
|
812
|
|
|
813 if (eq_ptr && !end_ptr)
|
|
|
814 end_ptr = eq_ptr;
|
|
|
815
|
|
|
816 if (!end_ptr)
|
|
|
817 end_ptr = ptr + strlen (ptr);
|
|
|
818 length = end_ptr - ptr;
|
|
|
819
|
|
|
820 for (option_ptr = dump_options; option_ptr->name; option_ptr++)
|
|
|
821 if (strlen (option_ptr->name) == length
|
|
|
822 && !memcmp (option_ptr->name, ptr, length))
|
|
|
823 {
|
|
|
824 flags |= option_ptr->value;
|
|
|
825 goto found;
|
|
|
826 }
|
|
|
827
|
|
|
828 if (*ptr == '=')
|
|
|
829 {
|
|
|
830 /* Interpret rest of the argument as a dump filename. This
|
|
|
831 filename overrides other command line filenames. */
|
|
|
832 if (dfi->pfilename)
|
|
|
833 free (CONST_CAST (char *, dfi->pfilename));
|
|
|
834 dfi->pfilename = xstrdup (ptr + 1);
|
|
|
835 break;
|
|
|
836 }
|
|
|
837 else
|
|
|
838 warning (0, "ignoring unknown option %q.*s in %<-fdump-%s%>",
|
|
|
839 length, ptr, dfi->swtch);
|
|
|
840 found:;
|
|
|
841 ptr = end_ptr;
|
|
|
842 }
|
|
|
843
|
|
|
844 dfi->pstate = -1;
|
|
|
845 dfi->pflags |= flags;
|
|
|
846
|
|
|
847 /* Process -fdump-tree-all and -fdump-rtl-all, by enabling all the
|
|
|
848 known dumps. */
|
|
|
849 if (dfi->suffix == NULL)
|
|
|
850 dump_enable_all (dfi->dkind, dfi->pflags, dfi->pfilename);
|
|
|
851
|
|
|
852 return 1;
|
|
|
853 }
|
|
|
854
|
|
|
855 int
|
|
|
856 gcc::dump_manager::
|
|
|
857 dump_switch_p (const char *arg)
|
|
|
858 {
|
|
|
859 size_t i;
|
|
|
860 int any = 0;
|
|
|
861
|
|
|
862 for (i = TDI_none + 1; i != TDI_end; i++)
|
|
|
863 any |= dump_switch_p_1 (arg, &dump_files[i], false);
|
|
|
864
|
|
|
865 /* Don't glob if we got a hit already */
|
|
|
866 if (!any)
|
|
|
867 for (i = TDI_none + 1; i != TDI_end; i++)
|
|
|
868 any |= dump_switch_p_1 (arg, &dump_files[i], true);
|
|
|
869
|
|
|
870 for (i = 0; i < m_extra_dump_files_in_use; i++)
|
|
|
871 any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], false);
|
|
|
872
|
|
|
873 if (!any)
|
|
|
874 for (i = 0; i < m_extra_dump_files_in_use; i++)
|
|
|
875 any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], true);
|
|
|
876
|
|
|
877
|
|
|
878 return any;
|
|
|
879 }
|
|
|
880
|
|
|
881 /* Parse ARG as a -fopt-info switch and store flags, optgroup_flags
|
|
|
882 and filename. Return non-zero if it is a recognized switch. */
|
|
|
883
|
|
|
884 static int
|
|
|
885 opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
|
|
|
886 char **filename)
|
|
|
887 {
|
|
|
888 const char *option_value;
|
|
|
889 const char *ptr;
|
|
|
890
|
|
|
891 option_value = arg;
|
|
|
892 ptr = option_value;
|
|
|
893
|
|
|
894 *filename = NULL;
|
|
|
895 *flags = 0;
|
|
|
896 *optgroup_flags = 0;
|
|
|
897
|
|
|
898 if (!ptr)
|
|
|
899 return 1; /* Handle '-fopt-info' without any additional options. */
|
|
|
900
|
|
|
901 while (*ptr)
|
|
|
902 {
|
|
|
903 const struct dump_option_value_info *option_ptr;
|
|
|
904 const char *end_ptr;
|
|
|
905 const char *eq_ptr;
|
|
|
906 unsigned length;
|
|
|
907
|
|
|
908 while (*ptr == '-')
|
|
|
909 ptr++;
|
|
|
910 end_ptr = strchr (ptr, '-');
|
|
|
911 eq_ptr = strchr (ptr, '=');
|
|
|
912
|
|
|
913 if (eq_ptr && !end_ptr)
|
|
|
914 end_ptr = eq_ptr;
|
|
|
915
|
|
|
916 if (!end_ptr)
|
|
|
917 end_ptr = ptr + strlen (ptr);
|
|
|
918 length = end_ptr - ptr;
|
|
|
919
|
|
|
920 for (option_ptr = optinfo_verbosity_options; option_ptr->name;
|
|
|
921 option_ptr++)
|
|
|
922 if (strlen (option_ptr->name) == length
|
|
|
923 && !memcmp (option_ptr->name, ptr, length))
|
|
|
924 {
|
|
|
925 *flags |= option_ptr->value;
|
|
|
926 goto found;
|
|
|
927 }
|
|
|
928
|
|
|
929 for (option_ptr = optgroup_options; option_ptr->name; option_ptr++)
|
|
|
930 if (strlen (option_ptr->name) == length
|
|
|
931 && !memcmp (option_ptr->name, ptr, length))
|
|
|
932 {
|
|
|
933 *optgroup_flags |= option_ptr->value;
|
|
|
934 goto found;
|
|
|
935 }
|
|
|
936
|
|
|
937 if (*ptr == '=')
|
|
|
938 {
|
|
|
939 /* Interpret rest of the argument as a dump filename. This
|
|
|
940 filename overrides other command line filenames. */
|
|
|
941 *filename = xstrdup (ptr + 1);
|
|
|
942 break;
|
|
|
943 }
|
|
|
944 else
|
|
|
945 {
|
|
|
946 warning (0, "unknown option %q.*s in %<-fopt-info-%s%>",
|
|
|
947 length, ptr, arg);
|
|
|
948 return 0;
|
|
|
949 }
|
|
|
950 found:;
|
|
|
951 ptr = end_ptr;
|
|
|
952 }
|
|
|
953
|
|
|
954 return 1;
|
|
|
955 }
|
|
|
956
|
|
|
957 /* Return non-zero if ARG is a recognized switch for
|
|
|
958 -fopt-info. Return zero otherwise. */
|
|
|
959
|
|
|
960 int
|
|
|
961 opt_info_switch_p (const char *arg)
|
|
|
962 {
|
|
|
963 dump_flags_t flags;
|
|
|
964 int optgroup_flags;
|
|
|
965 char *filename;
|
|
|
966 static char *file_seen = NULL;
|
|
|
967 gcc::dump_manager *dumps = g->get_dumps ();
|
|
|
968
|
|
|
969 if (!opt_info_switch_p_1 (arg, &flags, &optgroup_flags, &filename))
|
|
|
970 return 0;
|
|
|
971
|
|
|
972 if (!filename)
|
|
|
973 filename = xstrdup ("stderr");
|
|
|
974
|
|
|
975 /* Bail out if a different filename has been specified. */
|
|
|
976 if (file_seen && strcmp (file_seen, filename))
|
|
|
977 {
|
|
|
978 warning (0, "ignoring possibly conflicting option %<-fopt-info-%s%>",
|
|
|
979 arg);
|
|
|
980 return 1;
|
|
|
981 }
|
|
|
982
|
|
|
983 file_seen = xstrdup (filename);
|
|
|
984 if (!flags)
|
|
|
985 flags = MSG_OPTIMIZED_LOCATIONS;
|
|
|
986 if (!optgroup_flags)
|
|
|
987 optgroup_flags = OPTGROUP_ALL;
|
|
|
988
|
|
|
989 return dumps->opt_info_enable_passes (optgroup_flags, flags, filename);
|
|
|
990 }
|
|
|
991
|
|
|
992 /* Print basic block on the dump streams. */
|
|
|
993
|
|
|
994 void
|
|
|
995 dump_basic_block (int dump_kind, basic_block bb, int indent)
|
|
|
996 {
|
|
|
997 if (dump_file && (dump_kind & pflags))
|
|
|
998 dump_bb (dump_file, bb, indent, TDF_DETAILS);
|
|
|
999 if (alt_dump_file && (dump_kind & alt_flags))
|
|
|
1000 dump_bb (alt_dump_file, bb, indent, TDF_DETAILS);
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 /* Dump FUNCTION_DECL FN as tree dump PHASE. */
|
|
|
1004
|
|
|
1005 void
|
|
|
1006 dump_function (int phase, tree fn)
|
|
|
1007 {
|
|
|
1008 FILE *stream;
|
|
|
1009 dump_flags_t flags;
|
|
|
1010
|
|
|
1011 stream = dump_begin (phase, &flags);
|
|
|
1012 if (stream)
|
|
|
1013 {
|
|
|
1014 dump_function_to_file (fn, stream, flags);
|
|
|
1015 dump_end (phase, stream);
|
|
|
1016 }
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 /* Print information from the combine pass on dump_file. */
|
|
|
1020
|
|
|
1021 void
|
|
|
1022 print_combine_total_stats (void)
|
|
|
1023 {
|
|
|
1024 if (dump_file)
|
|
|
1025 dump_combine_total_stats (dump_file);
|
|
|
1026 }
|
|
|
1027
|
|
|
1028 /* Enable RTL dump for all the RTL passes. */
|
|
|
1029
|
|
|
1030 bool
|
|
|
1031 enable_rtl_dump_file (void)
|
|
|
1032 {
|
|
|
1033 gcc::dump_manager *dumps = g->get_dumps ();
|
|
|
1034 int num_enabled =
|
|
|
1035 dumps->dump_enable_all (DK_rtl, dump_flags_t (TDF_DETAILS) | TDF_BLOCKS,
|
|
|
1036 NULL);
|
|
|
1037 return num_enabled > 0;
|
|
|
1038 }
|
