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111
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1 /* Routines for emitting trees to a file stream.
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2
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3 Copyright (C) 2011-2017 Free Software Foundation, Inc.
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4 Contributed by Diego Novillo <dnovillo@google.com>
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #include "config.h"
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23 #include "system.h"
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24 #include "coretypes.h"
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25 #include "backend.h"
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26 #include "target.h"
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27 #include "tree.h"
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28 #include "gimple.h"
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29 #include "tree-streamer.h"
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30 #include "cgraph.h"
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31 #include "alias.h"
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32 #include "stor-layout.h"
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33 #include "gomp-constants.h"
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34
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35
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36 /* Output the STRING constant to the string
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37 table in OB. Then put the index onto the INDEX_STREAM. */
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38
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39 void
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40 streamer_write_string_cst (struct output_block *ob,
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41 struct lto_output_stream *index_stream,
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42 tree string)
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43 {
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44 streamer_write_string_with_length (ob, index_stream,
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45 string ? TREE_STRING_POINTER (string)
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46 : NULL,
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47 string ? TREE_STRING_LENGTH (string) : 0,
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48 true);
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49 }
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50
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51
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52 /* Output the identifier ID to the string
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53 table in OB. Then put the index onto the INDEX_STREAM. */
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54
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55 static void
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56 write_identifier (struct output_block *ob,
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57 struct lto_output_stream *index_stream,
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58 tree id)
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59 {
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60 streamer_write_string_with_length (ob, index_stream,
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61 IDENTIFIER_POINTER (id),
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62 IDENTIFIER_LENGTH (id),
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63 true);
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64 }
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65
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66
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67 /* Pack all the non-pointer fields of the TS_BASE structure of
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68 expression EXPR into bitpack BP. */
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69
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70 static inline void
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71 pack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
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72 {
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73 bp_pack_value (bp, TREE_CODE (expr), 16);
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74 if (!TYPE_P (expr))
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75 {
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76 bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1);
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77 bp_pack_value (bp, TREE_CONSTANT (expr), 1);
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78 bp_pack_value (bp, TREE_READONLY (expr), 1);
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79
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80 /* TREE_PUBLIC is used on types to indicate that the type
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81 has a TYPE_CACHED_VALUES vector. This is not streamed out,
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82 so we skip it here. */
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83 bp_pack_value (bp, TREE_PUBLIC (expr), 1);
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84 }
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85 else
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86 bp_pack_value (bp, 0, 4);
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87 bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1);
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88 bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1);
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89 if (DECL_P (expr))
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90 {
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91 bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
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92 bp_pack_value (bp, DECL_NAMELESS (expr), 1);
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93 }
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94 else if (TYPE_P (expr))
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95 bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
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96 else
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97 bp_pack_value (bp, 0, 1);
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98 /* We write debug info two times, do not confuse the second one.
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99 The only relevant TREE_ASM_WRITTEN use is on SSA names. */
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100 bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME
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101 ? 0 : TREE_ASM_WRITTEN (expr)), 1);
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102 if (TYPE_P (expr))
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103 bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1);
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104 else
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105 bp_pack_value (bp, TREE_NO_WARNING (expr), 1);
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106 bp_pack_value (bp, TREE_NOTHROW (expr), 1);
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107 bp_pack_value (bp, TREE_STATIC (expr), 1);
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108 if (TREE_CODE (expr) != TREE_BINFO)
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109 bp_pack_value (bp, TREE_PRIVATE (expr), 1);
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110 else
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111 bp_pack_value (bp, 0, 1);
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112 bp_pack_value (bp, TREE_PROTECTED (expr), 1);
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113 bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
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114 if (TYPE_P (expr))
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115 {
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116 if (AGGREGATE_TYPE_P (expr))
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117 bp_pack_value (bp, TYPE_REVERSE_STORAGE_ORDER (expr), 1);
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118 else
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119 bp_pack_value (bp, TYPE_SATURATING (expr), 1);
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120 bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
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121 }
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122 else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
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123 {
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124 bp_pack_value (bp, REF_REVERSE_STORAGE_ORDER (expr), 1);
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125 bp_pack_value (bp, 0, 8);
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126 }
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127 else if (TREE_CODE (expr) == SSA_NAME)
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128 {
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129 bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1);
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130 bp_pack_value (bp, 0, 8);
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131 }
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132 else
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133 bp_pack_value (bp, 0, 9);
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134 }
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135
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136
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137 /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
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138 expression EXPR into bitpack BP. */
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139
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140 static void
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141 pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
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142 {
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143 int i;
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144 /* Note that the number of elements has already been written out in
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145 streamer_write_tree_header. */
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146 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
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147 bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
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148 }
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149
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150
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151 /* Pack all the non-pointer fields of the TS_REAL_CST structure of
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152 expression EXPR into bitpack BP. */
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153
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154 static void
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155 pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
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156 {
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157 unsigned i;
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158 REAL_VALUE_TYPE r;
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159
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160 r = TREE_REAL_CST (expr);
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161 bp_pack_value (bp, r.cl, 2);
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162 bp_pack_value (bp, r.decimal, 1);
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163 bp_pack_value (bp, r.sign, 1);
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164 bp_pack_value (bp, r.signalling, 1);
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165 bp_pack_value (bp, r.canonical, 1);
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166 bp_pack_value (bp, r.uexp, EXP_BITS);
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167 for (i = 0; i < SIGSZ; i++)
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168 bp_pack_value (bp, r.sig[i], HOST_BITS_PER_LONG);
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169 }
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170
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171
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172 /* Pack all the non-pointer fields of the TS_FIXED_CST structure of
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173 expression EXPR into bitpack BP. */
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174
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175 static void
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176 pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
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177 {
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178 struct fixed_value fv = TREE_FIXED_CST (expr);
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179 bp_pack_machine_mode (bp, fv.mode);
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180 bp_pack_var_len_int (bp, fv.data.low);
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181 bp_pack_var_len_int (bp, fv.data.high);
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182 }
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183
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184 /* Pack all the non-pointer fields of the TS_DECL_COMMON structure
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185 of expression EXPR into bitpack BP. */
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186
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187 static void
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188 pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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189 {
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190 bp_pack_machine_mode (bp, DECL_MODE (expr));
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191 bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
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192 bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
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193 bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
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194 bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
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195 bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
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196 bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
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197 bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
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198 bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
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199 bp_pack_value (bp, DECL_GIMPLE_REG_P (expr), 1);
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200 bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
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201
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202 if (TREE_CODE (expr) == LABEL_DECL)
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203 {
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204 /* Note that we do not write LABEL_DECL_UID. The reader will
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205 always assume an initial value of -1 so that the
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206 label_to_block_map is recreated by gimple_set_bb. */
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207 bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
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208 }
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209
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210 if (TREE_CODE (expr) == FIELD_DECL)
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211 {
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212 bp_pack_value (bp, DECL_PACKED (expr), 1);
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213 bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
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214 bp_pack_value (bp, expr->decl_common.off_align, 8);
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215 }
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216
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217 if (VAR_P (expr))
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218 {
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219 bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
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220 bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
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221 }
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222
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223 if (TREE_CODE (expr) == RESULT_DECL
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224 || TREE_CODE (expr) == PARM_DECL
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225 || VAR_P (expr))
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226 {
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227 bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
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228 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
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229 bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
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230 }
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231 }
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232
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233
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234 /* Pack all the non-pointer fields of the TS_DECL_WRTL structure
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235 of expression EXPR into bitpack BP. */
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236
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237 static void
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238 pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
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239 {
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240 bp_pack_value (bp, DECL_REGISTER (expr), 1);
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241 }
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242
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243
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244 /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
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245 of expression EXPR into bitpack BP. */
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246
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247 static void
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248 pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
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249 {
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250 bp_pack_value (bp, DECL_COMMON (expr), 1);
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251 bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
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252 bp_pack_value (bp, DECL_WEAK (expr), 1);
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253 bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1);
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254 bp_pack_value (bp, DECL_COMDAT (expr), 1);
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255 bp_pack_value (bp, DECL_VISIBILITY (expr), 2);
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256 bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1);
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257
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258 if (VAR_P (expr))
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259 {
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260 bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
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261 /* DECL_IN_TEXT_SECTION is set during final asm output only. */
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262 bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
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263 }
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264
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265 if (TREE_CODE (expr) == FUNCTION_DECL)
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266 {
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267 bp_pack_value (bp, DECL_FINAL_P (expr), 1);
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268 bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
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269 bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
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270 }
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271 }
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272
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273
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274 /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
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275 of expression EXPR into bitpack BP. */
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276
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277 static void
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278 pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
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279 {
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280 bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
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281 DECL_BUILT_IN_CLASS (expr));
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282 bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
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283 bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
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284 bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
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285 bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
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286 bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
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287 bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
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288 bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
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289 bp_pack_value (bp, DECL_IS_OPERATOR_NEW (expr), 1);
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290 bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
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291 bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
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292 bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
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293 bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
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294 bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
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295 bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
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296 bp_pack_value (bp, DECL_PURE_P (expr), 1);
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297 bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
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298 if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
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299 bp_pack_value (bp, DECL_FUNCTION_CODE (expr), 12);
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300 }
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301
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302
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303 /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
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304 of expression EXPR into bitpack BP. */
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305
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306 static void
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307 pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
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308 {
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309 /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
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310 not necessary valid in a global context.
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311 Use the raw value previously set by layout_type. */
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312 bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
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313 bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
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314 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
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315 no streaming. */
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316 bp_pack_value (bp, TYPE_NEEDS_CONSTRUCTING (expr), 1);
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317 bp_pack_value (bp, TYPE_PACKED (expr), 1);
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318 bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
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319 bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
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320 bp_pack_value (bp, TYPE_READONLY (expr), 1);
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321 /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
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322 types that are opaque for TBAA. This however did not work as intended,
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323 because TYPE_ALIAS_SET == 0 was regularly lost in type merging. */
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324 if (RECORD_OR_UNION_TYPE_P (expr))
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325 {
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326 bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
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327 bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
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328 }
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329 else if (TREE_CODE (expr) == ARRAY_TYPE)
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330 bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
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331 if (AGGREGATE_TYPE_P (expr))
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332 bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
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333 bp_pack_var_len_unsigned (bp, TYPE_PRECISION (expr));
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334 bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
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335 }
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336
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337
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338 /* Pack all the non-pointer fields of the TS_BLOCK structure
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339 of expression EXPR into bitpack BP. */
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340
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341 static void
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342 pack_ts_block_value_fields (struct output_block *ob,
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343 struct bitpack_d *bp, tree expr)
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344 {
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345 bp_pack_value (bp, BLOCK_ABSTRACT (expr), 1);
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346 /* BLOCK_NUMBER is recomputed. */
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347 /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
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348 that represent inlined function scopes.
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349 For the rest them on the floor instead of ICEing in dwarf2out.c. */
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350 if (inlined_function_outer_scope_p (expr))
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351 stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
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352 else
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353 stream_output_location (ob, bp, UNKNOWN_LOCATION);
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354 }
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355
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356 /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
|
|
|
357 of expression EXPR into bitpack BP. */
|
|
|
358
|
|
|
359 static void
|
|
|
360 pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
|
|
|
361 struct bitpack_d *bp, tree expr)
|
|
|
362 {
|
|
|
363 bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
|
|
|
364 }
|
|
|
365
|
|
|
366
|
|
|
367 /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
|
|
|
368 of expression EXPR into bitpack BP. */
|
|
|
369
|
|
|
370 static void
|
|
|
371 pack_ts_omp_clause_value_fields (struct output_block *ob,
|
|
|
372 struct bitpack_d *bp, tree expr)
|
|
|
373 {
|
|
|
374 stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
|
|
|
375 switch (OMP_CLAUSE_CODE (expr))
|
|
|
376 {
|
|
|
377 case OMP_CLAUSE_DEFAULT:
|
|
|
378 bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
|
|
|
379 OMP_CLAUSE_DEFAULT_KIND (expr));
|
|
|
380 break;
|
|
|
381 case OMP_CLAUSE_SCHEDULE:
|
|
|
382 bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
|
|
|
383 OMP_CLAUSE_SCHEDULE_KIND (expr));
|
|
|
384 break;
|
|
|
385 case OMP_CLAUSE_DEPEND:
|
|
|
386 bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
|
|
|
387 OMP_CLAUSE_DEPEND_KIND (expr));
|
|
|
388 break;
|
|
|
389 case OMP_CLAUSE_MAP:
|
|
|
390 bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
|
|
|
391 OMP_CLAUSE_MAP_KIND (expr));
|
|
|
392 break;
|
|
|
393 case OMP_CLAUSE_PROC_BIND:
|
|
|
394 bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
|
|
|
395 OMP_CLAUSE_PROC_BIND_KIND (expr));
|
|
|
396 break;
|
|
|
397 case OMP_CLAUSE_REDUCTION:
|
|
|
398 bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
|
|
|
399 OMP_CLAUSE_REDUCTION_CODE (expr));
|
|
|
400 break;
|
|
|
401 default:
|
|
|
402 break;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
|
406
|
|
|
407 /* Pack all the bitfields in EXPR into a bit pack. */
|
|
|
408
|
|
|
409 void
|
|
|
410 streamer_write_tree_bitfields (struct output_block *ob, tree expr)
|
|
|
411 {
|
|
|
412 bitpack_d bp = bitpack_create (ob->main_stream);
|
|
|
413 enum tree_code code;
|
|
|
414
|
|
|
415 code = TREE_CODE (expr);
|
|
|
416
|
|
|
417 /* Note that all these functions are highly sensitive to changes in
|
|
|
418 the types and sizes of each of the fields being packed. */
|
|
|
419 pack_ts_base_value_fields (&bp, expr);
|
|
|
420
|
|
|
421 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
|
422 pack_ts_int_cst_value_fields (&bp, expr);
|
|
|
423
|
|
|
424 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
|
|
425 pack_ts_real_cst_value_fields (&bp, expr);
|
|
|
426
|
|
|
427 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
|
|
428 pack_ts_fixed_cst_value_fields (&bp, expr);
|
|
|
429
|
|
|
430 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
|
431 stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
|
|
|
432
|
|
|
433 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
|
434 pack_ts_decl_common_value_fields (&bp, expr);
|
|
|
435
|
|
|
436 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
|
|
437 pack_ts_decl_wrtl_value_fields (&bp, expr);
|
|
|
438
|
|
|
439 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
|
440 pack_ts_decl_with_vis_value_fields (&bp, expr);
|
|
|
441
|
|
|
442 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
|
443 pack_ts_function_decl_value_fields (&bp, expr);
|
|
|
444
|
|
|
445 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
|
446 pack_ts_type_common_value_fields (&bp, expr);
|
|
|
447
|
|
|
448 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
|
449 {
|
|
|
450 stream_output_location (ob, &bp, EXPR_LOCATION (expr));
|
|
|
451 if (code == MEM_REF
|
|
|
452 || code == TARGET_MEM_REF)
|
|
|
453 {
|
|
|
454 bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
|
|
|
455 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
|
|
|
456 bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
|
|
|
457 }
|
|
|
458 }
|
|
|
459
|
|
|
460 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
|
461 pack_ts_block_value_fields (ob, &bp, expr);
|
|
|
462
|
|
|
463 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
|
|
464 pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
|
|
|
465
|
|
|
466 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
|
|
467 cl_optimization_stream_out (&bp, TREE_OPTIMIZATION (expr));
|
|
|
468
|
|
|
469 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
|
470 bp_pack_var_len_unsigned (&bp, vec_safe_length (BINFO_BASE_ACCESSES (expr)));
|
|
|
471
|
|
|
472 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
|
473 bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
|
|
|
474
|
|
|
475 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
|
|
|
476 /* Don't stream these when passing things to a different target. */
|
|
|
477 && !lto_stream_offload_p)
|
|
|
478 cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
|
|
|
479
|
|
|
480 if (code == OMP_CLAUSE)
|
|
|
481 pack_ts_omp_clause_value_fields (ob, &bp, expr);
|
|
|
482
|
|
|
483 streamer_write_bitpack (&bp);
|
|
|
484 }
|
|
|
485
|
|
|
486
|
|
|
487 /* Emit the chain of tree nodes starting at T. OB is the output block
|
|
|
488 to write to. REF_P is true if chain elements should be emitted
|
|
|
489 as references. */
|
|
|
490
|
|
|
491 void
|
|
|
492 streamer_write_chain (struct output_block *ob, tree t, bool ref_p)
|
|
|
493 {
|
|
|
494 while (t)
|
|
|
495 {
|
|
|
496 /* We avoid outputting external vars or functions by reference
|
|
|
497 to the global decls section as we do not want to have them
|
|
|
498 enter decl merging. This is, of course, only for the call
|
|
|
499 for streaming BLOCK_VARS, but other callers are safe.
|
|
|
500 See also lto-streamer-out.c:DFS_write_tree_body. */
|
|
|
501 if (VAR_OR_FUNCTION_DECL_P (t)
|
|
|
502 && DECL_EXTERNAL (t))
|
|
|
503 stream_write_tree_shallow_non_ref (ob, t, ref_p);
|
|
|
504 else
|
|
|
505 stream_write_tree (ob, t, ref_p);
|
|
|
506
|
|
|
507 t = TREE_CHAIN (t);
|
|
|
508 }
|
|
|
509
|
|
|
510 /* Write a sentinel to terminate the chain. */
|
|
|
511 stream_write_tree (ob, NULL_TREE, ref_p);
|
|
|
512 }
|
|
|
513
|
|
|
514
|
|
|
515 /* Write all pointer fields in the TS_COMMON structure of EXPR to output
|
|
|
516 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
517 fields. */
|
|
|
518
|
|
|
519 static void
|
|
|
520 write_ts_common_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
521 {
|
|
|
522 if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
|
|
523 stream_write_tree (ob, TREE_TYPE (expr), ref_p);
|
|
|
524 }
|
|
|
525
|
|
|
526
|
|
|
527 /* Write all pointer fields in the TS_VECTOR structure of EXPR to output
|
|
|
528 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
529 fields. */
|
|
|
530
|
|
|
531 static void
|
|
|
532 write_ts_vector_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
533 {
|
|
|
534 unsigned i;
|
|
|
535 /* Note that the number of elements for EXPR has already been emitted
|
|
|
536 in EXPR's header (see streamer_write_tree_header). */
|
|
|
537 for (i = 0; i < VECTOR_CST_NELTS (expr); ++i)
|
|
|
538 stream_write_tree (ob, VECTOR_CST_ELT (expr, i), ref_p);
|
|
|
539 }
|
|
|
540
|
|
|
541
|
|
|
542 /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
|
|
|
543 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
544 fields. */
|
|
|
545
|
|
|
546 static void
|
|
|
547 write_ts_complex_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
548 {
|
|
|
549 stream_write_tree (ob, TREE_REALPART (expr), ref_p);
|
|
|
550 stream_write_tree (ob, TREE_IMAGPART (expr), ref_p);
|
|
|
551 }
|
|
|
552
|
|
|
553
|
|
|
554 /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
|
|
555 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
556 pointer fields. */
|
|
|
557
|
|
|
558 static void
|
|
|
559 write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr,
|
|
|
560 bool ref_p)
|
|
|
561 {
|
|
|
562 /* Drop names that were created for anonymous entities. */
|
|
|
563 if (DECL_NAME (expr)
|
|
|
564 && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
|
|
|
565 && anon_aggrname_p (DECL_NAME (expr)))
|
|
|
566 stream_write_tree (ob, NULL_TREE, ref_p);
|
|
|
567 else
|
|
|
568 stream_write_tree (ob, DECL_NAME (expr), ref_p);
|
|
|
569 if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
|
|
|
570 && ! DECL_CONTEXT (expr))
|
|
|
571 stream_write_tree (ob, (*all_translation_units)[0], ref_p);
|
|
|
572 else
|
|
|
573 stream_write_tree (ob, DECL_CONTEXT (expr), ref_p);
|
|
|
574 }
|
|
|
575
|
|
|
576
|
|
|
577 /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
|
|
|
578 output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
579 pointer fields. */
|
|
|
580
|
|
|
581 static void
|
|
|
582 write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr,
|
|
|
583 bool ref_p)
|
|
|
584 {
|
|
|
585 stream_write_tree (ob, DECL_SIZE (expr), ref_p);
|
|
|
586 stream_write_tree (ob, DECL_SIZE_UNIT (expr), ref_p);
|
|
|
587
|
|
|
588 /* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs
|
|
|
589 special handling in LTO, it must be handled by streamer hooks. */
|
|
|
590
|
|
|
591 stream_write_tree (ob, DECL_ATTRIBUTES (expr), ref_p);
|
|
|
592 stream_write_tree (ob, DECL_ABSTRACT_ORIGIN (expr), ref_p);
|
|
|
593
|
|
|
594 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
|
|
|
595 && DECL_HAS_VALUE_EXPR_P (expr))
|
|
|
596 stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p);
|
|
|
597
|
|
|
598 if (VAR_P (expr))
|
|
|
599 stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p);
|
|
|
600 }
|
|
|
601
|
|
|
602
|
|
|
603 /* Write all pointer fields in the TS_DECL_NON_COMMON structure of
|
|
|
604 EXPR to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
605 pointer fields. */
|
|
|
606
|
|
|
607 static void
|
|
|
608 write_ts_decl_non_common_tree_pointers (struct output_block *ob, tree expr,
|
|
|
609 bool ref_p)
|
|
|
610 {
|
|
|
611 if (TREE_CODE (expr) == TYPE_DECL)
|
|
|
612 stream_write_tree (ob, DECL_ORIGINAL_TYPE (expr), ref_p);
|
|
|
613 }
|
|
|
614
|
|
|
615
|
|
|
616 /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
|
|
617 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
618 pointer fields. */
|
|
|
619
|
|
|
620 static void
|
|
|
621 write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr,
|
|
|
622 bool ref_p)
|
|
|
623 {
|
|
|
624 /* Make sure we don't inadvertently set the assembler name. */
|
|
|
625 if (DECL_ASSEMBLER_NAME_SET_P (expr))
|
|
|
626 stream_write_tree (ob, DECL_ASSEMBLER_NAME (expr), ref_p);
|
|
|
627 else
|
|
|
628 stream_write_tree (ob, NULL_TREE, false);
|
|
|
629 }
|
|
|
630
|
|
|
631
|
|
|
632 /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
|
|
|
633 output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
634 pointer fields. */
|
|
|
635
|
|
|
636 static void
|
|
|
637 write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
|
638 bool ref_p)
|
|
|
639 {
|
|
|
640 stream_write_tree (ob, DECL_FIELD_OFFSET (expr), ref_p);
|
|
|
641 stream_write_tree (ob, DECL_BIT_FIELD_TYPE (expr), ref_p);
|
|
|
642 stream_write_tree (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr), ref_p);
|
|
|
643 stream_write_tree (ob, DECL_FIELD_BIT_OFFSET (expr), ref_p);
|
|
|
644 stream_write_tree (ob, DECL_FCONTEXT (expr), ref_p);
|
|
|
645 }
|
|
|
646
|
|
|
647
|
|
|
648 /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
|
|
649 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
650 pointer fields. */
|
|
|
651
|
|
|
652 static void
|
|
|
653 write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
|
654 bool ref_p)
|
|
|
655 {
|
|
|
656 stream_write_tree (ob, DECL_VINDEX (expr), ref_p);
|
|
|
657 /* DECL_STRUCT_FUNCTION is handled by lto_output_function. */
|
|
|
658 stream_write_tree (ob, DECL_FUNCTION_PERSONALITY (expr), ref_p);
|
|
|
659 /* Don't stream these when passing things to a different target. */
|
|
|
660 if (!lto_stream_offload_p)
|
|
|
661 stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p);
|
|
|
662 stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr), ref_p);
|
|
|
663 }
|
|
|
664
|
|
|
665
|
|
|
666 /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
|
|
|
667 output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
668 pointer fields. */
|
|
|
669
|
|
|
670 static void
|
|
|
671 write_ts_type_common_tree_pointers (struct output_block *ob, tree expr,
|
|
|
672 bool ref_p)
|
|
|
673 {
|
|
|
674 stream_write_tree (ob, TYPE_SIZE (expr), ref_p);
|
|
|
675 stream_write_tree (ob, TYPE_SIZE_UNIT (expr), ref_p);
|
|
|
676 stream_write_tree (ob, TYPE_ATTRIBUTES (expr), ref_p);
|
|
|
677 stream_write_tree (ob, TYPE_NAME (expr), ref_p);
|
|
|
678 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
|
|
679 reconstructed during fixup. */
|
|
|
680 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
|
|
681 during fixup. */
|
|
|
682 stream_write_tree (ob, TYPE_MAIN_VARIANT (expr), ref_p);
|
|
|
683 stream_write_tree (ob, TYPE_CONTEXT (expr), ref_p);
|
|
|
684 /* TYPE_CANONICAL is re-computed during type merging, so no need
|
|
|
685 to stream it here. */
|
|
|
686 stream_write_tree (ob, TYPE_STUB_DECL (expr), ref_p);
|
|
|
687 }
|
|
|
688
|
|
|
689 /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
|
|
690 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
691 pointer fields. */
|
|
|
692
|
|
|
693 static void
|
|
|
694 write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr,
|
|
|
695 bool ref_p)
|
|
|
696 {
|
|
|
697 if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
|
|
698 stream_write_tree (ob, TYPE_VALUES (expr), ref_p);
|
|
|
699 else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
|
700 stream_write_tree (ob, TYPE_DOMAIN (expr), ref_p);
|
|
|
701 else if (RECORD_OR_UNION_TYPE_P (expr))
|
|
|
702 streamer_write_chain (ob, TYPE_FIELDS (expr), ref_p);
|
|
|
703 else if (TREE_CODE (expr) == FUNCTION_TYPE
|
|
|
704 || TREE_CODE (expr) == METHOD_TYPE)
|
|
|
705 stream_write_tree (ob, TYPE_ARG_TYPES (expr), ref_p);
|
|
|
706
|
|
|
707 if (!POINTER_TYPE_P (expr))
|
|
|
708 stream_write_tree (ob, TYPE_MIN_VALUE_RAW (expr), ref_p);
|
|
|
709 stream_write_tree (ob, TYPE_MAX_VALUE_RAW (expr), ref_p);
|
|
|
710 }
|
|
|
711
|
|
|
712
|
|
|
713 /* Write all pointer fields in the TS_LIST structure of EXPR to output
|
|
|
714 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
715 fields. */
|
|
|
716
|
|
|
717 static void
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|
|
718 write_ts_list_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
719 {
|
|
|
720 stream_write_tree (ob, TREE_PURPOSE (expr), ref_p);
|
|
|
721 stream_write_tree (ob, TREE_VALUE (expr), ref_p);
|
|
|
722 stream_write_tree (ob, TREE_CHAIN (expr), ref_p);
|
|
|
723 }
|
|
|
724
|
|
|
725
|
|
|
726 /* Write all pointer fields in the TS_VEC structure of EXPR to output
|
|
|
727 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
728 fields. */
|
|
|
729
|
|
|
730 static void
|
|
|
731 write_ts_vec_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
732 {
|
|
|
733 int i;
|
|
|
734
|
|
|
735 /* Note that the number of slots for EXPR has already been emitted
|
|
|
736 in EXPR's header (see streamer_write_tree_header). */
|
|
|
737 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
|
|
738 stream_write_tree (ob, TREE_VEC_ELT (expr, i), ref_p);
|
|
|
739 }
|
|
|
740
|
|
|
741
|
|
|
742 /* Write all pointer fields in the TS_EXP structure of EXPR to output
|
|
|
743 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
744 fields. */
|
|
|
745
|
|
|
746 static void
|
|
|
747 write_ts_exp_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
748 {
|
|
|
749 int i;
|
|
|
750
|
|
|
751 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
|
|
|
752 stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p);
|
|
|
753 stream_write_tree (ob, TREE_BLOCK (expr), ref_p);
|
|
|
754 }
|
|
|
755
|
|
|
756
|
|
|
757 /* Write all pointer fields in the TS_BLOCK structure of EXPR to output
|
|
|
758 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
759 fields. */
|
|
|
760
|
|
|
761 static void
|
|
|
762 write_ts_block_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
763 {
|
|
|
764 streamer_write_chain (ob, BLOCK_VARS (expr), ref_p);
|
|
|
765
|
|
|
766 stream_write_tree (ob, BLOCK_SUPERCONTEXT (expr), ref_p);
|
|
|
767
|
|
|
768 /* Stream BLOCK_ABSTRACT_ORIGIN for the limited cases we can handle - those
|
|
|
769 that represent inlined function scopes.
|
|
|
770 For the rest them on the floor instead of ICEing in dwarf2out.c, but
|
|
|
771 keep the notion of whether the block is an inlined block by refering
|
|
|
772 to itself for the sake of tree_nonartificial_location. */
|
|
|
773 if (inlined_function_outer_scope_p (expr))
|
|
|
774 {
|
|
|
775 tree ultimate_origin = block_ultimate_origin (expr);
|
|
|
776 stream_write_tree (ob, ultimate_origin, ref_p);
|
|
|
777 }
|
|
|
778 else
|
|
|
779 stream_write_tree (ob, (BLOCK_ABSTRACT_ORIGIN (expr)
|
|
|
780 ? expr : NULL_TREE), ref_p);
|
|
|
781 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
|
|
782 for early inlined BLOCKs so drop it on the floor instead of ICEing in
|
|
|
783 dwarf2out.c. */
|
|
|
784
|
|
|
785 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
|
|
|
786 streaming time. */
|
|
|
787
|
|
|
788 /* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this
|
|
|
789 list is re-constructed from BLOCK_SUPERCONTEXT. */
|
|
|
790 }
|
|
|
791
|
|
|
792
|
|
|
793 /* Write all pointer fields in the TS_BINFO structure of EXPR to output
|
|
|
794 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
|
795 fields. */
|
|
|
796
|
|
|
797 static void
|
|
|
798 write_ts_binfo_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
|
799 {
|
|
|
800 unsigned i;
|
|
|
801 tree t;
|
|
|
802
|
|
|
803 /* Note that the number of BINFO slots has already been emitted in
|
|
|
804 EXPR's header (see streamer_write_tree_header) because this length
|
|
|
805 is needed to build the empty BINFO node on the reader side. */
|
|
|
806 FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
|
|
|
807 stream_write_tree (ob, t, ref_p);
|
|
|
808 stream_write_tree (ob, NULL_TREE, false);
|
|
|
809
|
|
|
810 stream_write_tree (ob, BINFO_OFFSET (expr), ref_p);
|
|
|
811 stream_write_tree (ob, BINFO_VTABLE (expr), ref_p);
|
|
|
812 stream_write_tree (ob, BINFO_VPTR_FIELD (expr), ref_p);
|
|
|
813
|
|
|
814 /* The number of BINFO_BASE_ACCESSES has already been emitted in
|
|
|
815 EXPR's bitfield section. */
|
|
|
816 FOR_EACH_VEC_SAFE_ELT (BINFO_BASE_ACCESSES (expr), i, t)
|
|
|
817 stream_write_tree (ob, t, ref_p);
|
|
|
818
|
|
|
819 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX
|
|
|
820 and BINFO_VPTR_INDEX; these are used by C++ FE only. */
|
|
|
821 }
|
|
|
822
|
|
|
823
|
|
|
824 /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
|
|
|
825 output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
826 pointer fields. */
|
|
|
827
|
|
|
828 static void
|
|
|
829 write_ts_constructor_tree_pointers (struct output_block *ob, tree expr,
|
|
|
830 bool ref_p)
|
|
|
831 {
|
|
|
832 unsigned i;
|
|
|
833 tree index, value;
|
|
|
834
|
|
|
835 FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
|
|
|
836 {
|
|
|
837 stream_write_tree (ob, index, ref_p);
|
|
|
838 stream_write_tree (ob, value, ref_p);
|
|
|
839 }
|
|
|
840 }
|
|
|
841
|
|
|
842
|
|
|
843 /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
|
|
|
844 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
|
845 pointer fields. */
|
|
|
846
|
|
|
847 static void
|
|
|
848 write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr,
|
|
|
849 bool ref_p)
|
|
|
850 {
|
|
|
851 int i;
|
|
|
852 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
|
|
|
853 stream_write_tree (ob, OMP_CLAUSE_OPERAND (expr, i), ref_p);
|
|
|
854 if (OMP_CLAUSE_CODE (expr) == OMP_CLAUSE_REDUCTION)
|
|
|
855 {
|
|
|
856 /* We don't stream these right now, handle it if streaming
|
|
|
857 of them is needed. */
|
|
|
858 gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
|
|
|
859 gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
|
|
|
860 }
|
|
|
861 stream_write_tree (ob, OMP_CLAUSE_CHAIN (expr), ref_p);
|
|
|
862 }
|
|
|
863
|
|
|
864
|
|
|
865 /* Write all pointer fields in EXPR to output block OB. If REF_P is true,
|
|
|
866 the leaves of EXPR are emitted as references. */
|
|
|
867
|
|
|
868 void
|
|
|
869 streamer_write_tree_body (struct output_block *ob, tree expr, bool ref_p)
|
|
|
870 {
|
|
|
871 enum tree_code code;
|
|
|
872
|
|
|
873 lto_stats.num_tree_bodies_output++;
|
|
|
874
|
|
|
875 code = TREE_CODE (expr);
|
|
|
876
|
|
|
877 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
|
|
878 write_ts_common_tree_pointers (ob, expr, ref_p);
|
|
|
879
|
|
|
880 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
|
881 write_ts_vector_tree_pointers (ob, expr, ref_p);
|
|
|
882
|
|
|
883 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
|
|
884 write_ts_complex_tree_pointers (ob, expr, ref_p);
|
|
|
885
|
|
|
886 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
|
887 write_ts_decl_minimal_tree_pointers (ob, expr, ref_p);
|
|
|
888
|
|
|
889 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
|
890 write_ts_decl_common_tree_pointers (ob, expr, ref_p);
|
|
|
891
|
|
|
892 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
|
|
893 write_ts_decl_non_common_tree_pointers (ob, expr, ref_p);
|
|
|
894
|
|
|
895 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
|
896 write_ts_decl_with_vis_tree_pointers (ob, expr, ref_p);
|
|
|
897
|
|
|
898 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
|
|
|
899 write_ts_field_decl_tree_pointers (ob, expr, ref_p);
|
|
|
900
|
|
|
901 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
|
902 write_ts_function_decl_tree_pointers (ob, expr, ref_p);
|
|
|
903
|
|
|
904 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
|
905 write_ts_type_common_tree_pointers (ob, expr, ref_p);
|
|
|
906
|
|
|
907 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
|
|
|
908 write_ts_type_non_common_tree_pointers (ob, expr, ref_p);
|
|
|
909
|
|
|
910 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
|
|
|
911 write_ts_list_tree_pointers (ob, expr, ref_p);
|
|
|
912
|
|
|
913 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
|
914 write_ts_vec_tree_pointers (ob, expr, ref_p);
|
|
|
915
|
|
|
916 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
|
917 write_ts_exp_tree_pointers (ob, expr, ref_p);
|
|
|
918
|
|
|
919 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
|
920 write_ts_block_tree_pointers (ob, expr, ref_p);
|
|
|
921
|
|
|
922 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
|
923 write_ts_binfo_tree_pointers (ob, expr, ref_p);
|
|
|
924
|
|
|
925 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
|
926 write_ts_constructor_tree_pointers (ob, expr, ref_p);
|
|
|
927
|
|
|
928 if (code == OMP_CLAUSE)
|
|
|
929 write_ts_omp_clause_tree_pointers (ob, expr, ref_p);
|
|
|
930 }
|
|
|
931
|
|
|
932
|
|
|
933 /* Emit header information for tree EXPR to output block OB. The header
|
|
|
934 contains everything needed to instantiate an empty skeleton for
|
|
|
935 EXPR on the reading side. IX is the index into the streamer cache
|
|
|
936 where EXPR is stored. */
|
|
|
937
|
|
|
938 void
|
|
|
939 streamer_write_tree_header (struct output_block *ob, tree expr)
|
|
|
940 {
|
|
|
941 enum LTO_tags tag;
|
|
|
942 enum tree_code code;
|
|
|
943
|
|
|
944 /* We should not see any tree nodes not handled by the streamer. */
|
|
|
945 code = TREE_CODE (expr);
|
|
|
946
|
|
|
947 /* The header of a tree node consists of its tag, the size of
|
|
|
948 the node, and any other information needed to instantiate
|
|
|
949 EXPR on the reading side (such as the number of slots in
|
|
|
950 variable sized nodes). */
|
|
|
951 tag = lto_tree_code_to_tag (code);
|
|
|
952 streamer_write_record_start (ob, tag);
|
|
|
953
|
|
|
954 /* The text in strings and identifiers are completely emitted in
|
|
|
955 the header. */
|
|
|
956 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
|
|
957 streamer_write_string_cst (ob, ob->main_stream, expr);
|
|
|
958 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
|
|
959 write_identifier (ob, ob->main_stream, expr);
|
|
|
960 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
|
961 streamer_write_hwi (ob, VECTOR_CST_NELTS (expr));
|
|
|
962 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
|
963 streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
|
|
|
964 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
|
965 streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
|
|
|
966 else if (TREE_CODE (expr) == CALL_EXPR)
|
|
|
967 streamer_write_uhwi (ob, call_expr_nargs (expr));
|
|
|
968 else if (TREE_CODE (expr) == OMP_CLAUSE)
|
|
|
969 streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
|
|
|
970 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
|
971 {
|
|
|
972 gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
|
|
|
973 streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
|
|
|
974 streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
|
|
|
975 }
|
|
|
976 }
|
|
|
977
|
|
|
978
|
|
|
979 /* Emit the integer constant CST to output block OB. If REF_P is true,
|
|
|
980 CST's type will be emitted as a reference. */
|
|
|
981
|
|
|
982 void
|
|
|
983 streamer_write_integer_cst (struct output_block *ob, tree cst, bool ref_p)
|
|
|
984 {
|
|
|
985 int i;
|
|
|
986 int len = TREE_INT_CST_NUNITS (cst);
|
|
|
987 gcc_assert (!TREE_OVERFLOW (cst));
|
|
|
988 streamer_write_record_start (ob, LTO_integer_cst);
|
|
|
989 stream_write_tree (ob, TREE_TYPE (cst), ref_p);
|
|
|
990 /* We're effectively streaming a non-sign-extended wide_int here,
|
|
|
991 so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
|
|
|
992 array members beyond LEN. We'll recreate the tree from the
|
|
|
993 wide_int and the type. */
|
|
|
994 streamer_write_uhwi (ob, len);
|
|
|
995 for (i = 0; i < len; i++)
|
|
|
996 streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
|
|
|
997 }
|
