111
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1 /* Routines for emitting trees to a file stream.
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2
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145
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3 Copyright (C) 2011-2020 Free Software Foundation, Inc.
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111
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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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145
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132 else if (TREE_CODE (expr) == CALL_EXPR)
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133 {
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134 bp_pack_value (bp, CALL_EXPR_BY_DESCRIPTOR (expr), 1);
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135 bp_pack_value (bp, 0, 8);
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136 }
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111
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137 else
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138 bp_pack_value (bp, 0, 9);
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139 }
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140
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141
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142 /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
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143 expression EXPR into bitpack BP. */
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144
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145 static void
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146 pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
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147 {
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148 int i;
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149 /* Note that the number of elements has already been written out in
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150 streamer_write_tree_header. */
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151 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
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152 bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
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153 }
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154
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155
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156 /* Pack all the non-pointer fields of the TS_REAL_CST structure of
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157 expression EXPR into bitpack BP. */
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158
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159 static void
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160 pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
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161 {
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162 unsigned i;
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163 REAL_VALUE_TYPE r;
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164
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165 r = TREE_REAL_CST (expr);
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166 bp_pack_value (bp, r.cl, 2);
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167 bp_pack_value (bp, r.decimal, 1);
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168 bp_pack_value (bp, r.sign, 1);
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169 bp_pack_value (bp, r.signalling, 1);
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170 bp_pack_value (bp, r.canonical, 1);
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171 bp_pack_value (bp, r.uexp, EXP_BITS);
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172 for (i = 0; i < SIGSZ; i++)
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173 bp_pack_value (bp, r.sig[i], HOST_BITS_PER_LONG);
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174 }
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175
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176
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177 /* Pack all the non-pointer fields of the TS_FIXED_CST structure of
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178 expression EXPR into bitpack BP. */
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179
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180 static void
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181 pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
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182 {
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183 struct fixed_value fv = TREE_FIXED_CST (expr);
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184 bp_pack_machine_mode (bp, fv.mode);
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185 bp_pack_var_len_int (bp, fv.data.low);
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186 bp_pack_var_len_int (bp, fv.data.high);
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187 }
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188
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189 /* Pack all the non-pointer fields of the TS_DECL_COMMON structure
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190 of expression EXPR into bitpack BP. */
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191
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192 static void
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193 pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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194 {
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195 bp_pack_machine_mode (bp, DECL_MODE (expr));
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196 bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
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197 bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
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198 bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
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199 bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
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200 bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
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201 bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
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202 bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
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203 bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
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204 bp_pack_value (bp, DECL_GIMPLE_REG_P (expr), 1);
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205 bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
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206
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207 if (TREE_CODE (expr) == LABEL_DECL)
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208 {
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209 /* Note that we do not write LABEL_DECL_UID. The reader will
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210 always assume an initial value of -1 so that the
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211 label_to_block_map is recreated by gimple_set_bb. */
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212 bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
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213 }
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214
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145
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215 else if (TREE_CODE (expr) == FIELD_DECL)
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111
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216 {
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217 bp_pack_value (bp, DECL_PACKED (expr), 1);
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218 bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
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131
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219 bp_pack_value (bp, DECL_PADDING_P (expr), 1);
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111
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220 bp_pack_value (bp, expr->decl_common.off_align, 8);
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221 }
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222
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145
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223 else if (VAR_P (expr))
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111
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224 {
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225 bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
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226 bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
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227 }
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228
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145
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229 else if (TREE_CODE (expr) == PARM_DECL)
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230 bp_pack_value (bp, DECL_HIDDEN_STRING_LENGTH (expr), 1);
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231
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111
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232 if (TREE_CODE (expr) == RESULT_DECL
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233 || TREE_CODE (expr) == PARM_DECL
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234 || VAR_P (expr))
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235 {
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236 bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
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237 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
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238 bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
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239 }
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240 }
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241
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242
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243 /* Pack all the non-pointer fields of the TS_DECL_WRTL structure
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244 of expression EXPR into bitpack BP. */
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245
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246 static void
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247 pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
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248 {
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249 bp_pack_value (bp, DECL_REGISTER (expr), 1);
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250 }
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251
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252
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253 /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
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254 of expression EXPR into bitpack BP. */
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255
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256 static void
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257 pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
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258 {
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259 bp_pack_value (bp, DECL_COMMON (expr), 1);
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260 bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
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261 bp_pack_value (bp, DECL_WEAK (expr), 1);
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262 bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1);
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263 bp_pack_value (bp, DECL_COMDAT (expr), 1);
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264 bp_pack_value (bp, DECL_VISIBILITY (expr), 2);
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265 bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1);
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266
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267 if (VAR_P (expr))
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268 {
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269 bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
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270 /* DECL_IN_TEXT_SECTION is set during final asm output only. */
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271 bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
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272 }
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273
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274 if (TREE_CODE (expr) == FUNCTION_DECL)
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275 {
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276 bp_pack_value (bp, DECL_FINAL_P (expr), 1);
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277 bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
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278 bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
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279 }
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280 }
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281
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282
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283 /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
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284 of expression EXPR into bitpack BP. */
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285
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286 static void
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287 pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
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288 {
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289 bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
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290 DECL_BUILT_IN_CLASS (expr));
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291 bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
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292 bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
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293 bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
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294 bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
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295 bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
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296 bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
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297 bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
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145
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298 bp_pack_value (bp, DECL_IS_OPERATOR_NEW_P (expr), 1);
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299 bp_pack_value (bp, DECL_IS_OPERATOR_DELETE_P (expr), 1);
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111
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300 bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
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301 bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
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302 bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
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303 bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
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304 bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
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305 bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
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306 bp_pack_value (bp, DECL_PURE_P (expr), 1);
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307 bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
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308 if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
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145
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309 bp_pack_value (bp, DECL_UNCHECKED_FUNCTION_CODE (expr), 32);
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111
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310 }
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311
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312
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313 /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
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314 of expression EXPR into bitpack BP. */
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315
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316 static void
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317 pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
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318 {
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319 /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
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320 not necessary valid in a global context.
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321 Use the raw value previously set by layout_type. */
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322 bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
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323 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
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324 no streaming. */
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325 bp_pack_value (bp, TYPE_PACKED (expr), 1);
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326 bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
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327 bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
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328 bp_pack_value (bp, TYPE_READONLY (expr), 1);
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145
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329 unsigned vla_p;
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330 if (in_lto_p)
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331 vla_p = TYPE_LANG_FLAG_0 (TYPE_MAIN_VARIANT (expr));
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332 else
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333 vla_p = variably_modified_type_p (expr, NULL_TREE);
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334 bp_pack_value (bp, vla_p, 1);
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111
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335 /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
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336 types that are opaque for TBAA. This however did not work as intended,
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337 because TYPE_ALIAS_SET == 0 was regularly lost in type merging. */
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338 if (RECORD_OR_UNION_TYPE_P (expr))
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339 {
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340 bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
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341 bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
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145
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342 bp_pack_value (bp, TYPE_CXX_ODR_P (expr), 1);
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111
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343 }
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344 else if (TREE_CODE (expr) == ARRAY_TYPE)
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345 bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
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145
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346 if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
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347 bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
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111
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348 if (AGGREGATE_TYPE_P (expr))
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349 bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
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131
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350 bp_pack_value (bp, TYPE_EMPTY_P (expr), 1);
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111
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351 bp_pack_var_len_unsigned (bp, TYPE_PRECISION (expr));
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352 bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
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353 }
|
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354
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355
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356 /* Pack all the non-pointer fields of the TS_BLOCK structure
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357 of expression EXPR into bitpack BP. */
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358
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359 static void
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360 pack_ts_block_value_fields (struct output_block *ob,
|
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361 struct bitpack_d *bp, tree expr)
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362 {
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363 /* BLOCK_NUMBER is recomputed. */
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364 /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
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365 that represent inlined function scopes.
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366 For the rest them on the floor instead of ICEing in dwarf2out.c. */
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367 if (inlined_function_outer_scope_p (expr))
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368 stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
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369 else
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370 stream_output_location (ob, bp, UNKNOWN_LOCATION);
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371 }
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372
|
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373 /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
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374 of expression EXPR into bitpack BP. */
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375
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376 static void
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377 pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
|
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378 struct bitpack_d *bp, tree expr)
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379 {
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380 bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
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381 }
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382
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383
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384 /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
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385 of expression EXPR into bitpack BP. */
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386
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387 static void
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388 pack_ts_omp_clause_value_fields (struct output_block *ob,
|
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389 struct bitpack_d *bp, tree expr)
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390 {
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391 stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
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392 switch (OMP_CLAUSE_CODE (expr))
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393 {
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394 case OMP_CLAUSE_DEFAULT:
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395 bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
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396 OMP_CLAUSE_DEFAULT_KIND (expr));
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397 break;
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398 case OMP_CLAUSE_SCHEDULE:
|
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399 bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
|
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400 OMP_CLAUSE_SCHEDULE_KIND (expr));
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401 break;
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402 case OMP_CLAUSE_DEPEND:
|
|
403 bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
|
|
404 OMP_CLAUSE_DEPEND_KIND (expr));
|
|
405 break;
|
|
406 case OMP_CLAUSE_MAP:
|
|
407 bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
|
|
408 OMP_CLAUSE_MAP_KIND (expr));
|
|
409 break;
|
|
410 case OMP_CLAUSE_PROC_BIND:
|
|
411 bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
|
|
412 OMP_CLAUSE_PROC_BIND_KIND (expr));
|
|
413 break;
|
|
414 case OMP_CLAUSE_REDUCTION:
|
145
|
415 case OMP_CLAUSE_TASK_REDUCTION:
|
|
416 case OMP_CLAUSE_IN_REDUCTION:
|
111
|
417 bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
|
|
418 OMP_CLAUSE_REDUCTION_CODE (expr));
|
|
419 break;
|
|
420 default:
|
|
421 break;
|
|
422 }
|
|
423 }
|
|
424
|
|
425
|
|
426 /* Pack all the bitfields in EXPR into a bit pack. */
|
|
427
|
|
428 void
|
|
429 streamer_write_tree_bitfields (struct output_block *ob, tree expr)
|
|
430 {
|
|
431 bitpack_d bp = bitpack_create (ob->main_stream);
|
|
432 enum tree_code code;
|
|
433
|
|
434 code = TREE_CODE (expr);
|
|
435
|
|
436 /* Note that all these functions are highly sensitive to changes in
|
|
437 the types and sizes of each of the fields being packed. */
|
|
438 pack_ts_base_value_fields (&bp, expr);
|
|
439
|
|
440 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
441 pack_ts_int_cst_value_fields (&bp, expr);
|
|
442
|
|
443 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
|
444 pack_ts_real_cst_value_fields (&bp, expr);
|
|
445
|
|
446 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
|
447 pack_ts_fixed_cst_value_fields (&bp, expr);
|
|
448
|
|
449 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
450 stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
|
|
451
|
|
452 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
453 pack_ts_decl_common_value_fields (&bp, expr);
|
|
454
|
|
455 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
|
456 pack_ts_decl_wrtl_value_fields (&bp, expr);
|
|
457
|
|
458 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
459 pack_ts_decl_with_vis_value_fields (&bp, expr);
|
|
460
|
|
461 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
462 pack_ts_function_decl_value_fields (&bp, expr);
|
|
463
|
|
464 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
465 pack_ts_type_common_value_fields (&bp, expr);
|
|
466
|
|
467 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
468 {
|
|
469 stream_output_location (ob, &bp, EXPR_LOCATION (expr));
|
|
470 if (code == MEM_REF
|
|
471 || code == TARGET_MEM_REF)
|
|
472 {
|
|
473 bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
|
|
474 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
|
|
475 bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
|
|
476 }
|
145
|
477 else if (code == CALL_EXPR)
|
|
478 bp_pack_enum (&bp, internal_fn, IFN_LAST, CALL_EXPR_IFN (expr));
|
111
|
479 }
|
|
480
|
|
481 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
482 pack_ts_block_value_fields (ob, &bp, expr);
|
|
483
|
|
484 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
|
485 pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
|
|
486
|
|
487 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
131
|
488 cl_optimization_stream_out (ob, &bp, TREE_OPTIMIZATION (expr));
|
111
|
489
|
|
490 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
491 bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
|
|
492
|
|
493 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
|
|
494 /* Don't stream these when passing things to a different target. */
|
|
495 && !lto_stream_offload_p)
|
|
496 cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
|
|
497
|
|
498 if (code == OMP_CLAUSE)
|
|
499 pack_ts_omp_clause_value_fields (ob, &bp, expr);
|
|
500
|
|
501 streamer_write_bitpack (&bp);
|
|
502 }
|
|
503
|
|
504
|
|
505 /* Emit the chain of tree nodes starting at T. OB is the output block
|
|
506 to write to. REF_P is true if chain elements should be emitted
|
|
507 as references. */
|
|
508
|
|
509 void
|
|
510 streamer_write_chain (struct output_block *ob, tree t, bool ref_p)
|
|
511 {
|
|
512 while (t)
|
|
513 {
|
|
514 /* We avoid outputting external vars or functions by reference
|
|
515 to the global decls section as we do not want to have them
|
131
|
516 enter decl merging. We should not need to do this anymore because
|
|
517 free_lang_data removes them from block scopes. */
|
|
518 gcc_assert (!VAR_OR_FUNCTION_DECL_P (t) || !DECL_EXTERNAL (t));
|
|
519 stream_write_tree (ob, t, ref_p);
|
111
|
520
|
|
521 t = TREE_CHAIN (t);
|
|
522 }
|
|
523
|
|
524 /* Write a sentinel to terminate the chain. */
|
|
525 stream_write_tree (ob, NULL_TREE, ref_p);
|
|
526 }
|
|
527
|
|
528
|
|
529 /* Write all pointer fields in the TS_COMMON structure of EXPR to output
|
|
530 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
531 fields. */
|
|
532
|
|
533 static void
|
|
534 write_ts_common_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
535 {
|
|
536 if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
|
537 stream_write_tree (ob, TREE_TYPE (expr), ref_p);
|
|
538 }
|
|
539
|
|
540
|
|
541 /* Write all pointer fields in the TS_VECTOR structure of EXPR to output
|
|
542 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
543 fields. */
|
|
544
|
|
545 static void
|
|
546 write_ts_vector_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
547 {
|
|
548 /* Note that the number of elements for EXPR has already been emitted
|
|
549 in EXPR's header (see streamer_write_tree_header). */
|
131
|
550 unsigned int count = vector_cst_encoded_nelts (expr);
|
|
551 for (unsigned int i = 0; i < count; ++i)
|
|
552 stream_write_tree (ob, VECTOR_CST_ENCODED_ELT (expr, i), ref_p);
|
|
553 }
|
|
554
|
|
555
|
|
556 /* Write all pointer fields in the TS_POLY_INT_CST structure of EXPR to
|
|
557 output block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
558 fields. */
|
|
559
|
|
560 static void
|
|
561 write_ts_poly_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
562 {
|
|
563 for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
|
|
564 stream_write_tree (ob, POLY_INT_CST_COEFF (expr, i), ref_p);
|
111
|
565 }
|
|
566
|
|
567
|
|
568 /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
|
|
569 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
570 fields. */
|
|
571
|
|
572 static void
|
|
573 write_ts_complex_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
574 {
|
|
575 stream_write_tree (ob, TREE_REALPART (expr), ref_p);
|
|
576 stream_write_tree (ob, TREE_IMAGPART (expr), ref_p);
|
|
577 }
|
|
578
|
|
579
|
|
580 /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
|
581 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
582 pointer fields. */
|
|
583
|
|
584 static void
|
|
585 write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr,
|
|
586 bool ref_p)
|
|
587 {
|
|
588 /* Drop names that were created for anonymous entities. */
|
|
589 if (DECL_NAME (expr)
|
|
590 && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
|
145
|
591 && IDENTIFIER_ANON_P (DECL_NAME (expr)))
|
111
|
592 stream_write_tree (ob, NULL_TREE, ref_p);
|
|
593 else
|
|
594 stream_write_tree (ob, DECL_NAME (expr), ref_p);
|
|
595 if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
|
|
596 && ! DECL_CONTEXT (expr))
|
|
597 stream_write_tree (ob, (*all_translation_units)[0], ref_p);
|
|
598 else
|
|
599 stream_write_tree (ob, DECL_CONTEXT (expr), ref_p);
|
|
600 }
|
|
601
|
|
602
|
|
603 /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
|
|
604 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_common_tree_pointers (struct output_block *ob, tree expr,
|
|
609 bool ref_p)
|
|
610 {
|
|
611 stream_write_tree (ob, DECL_SIZE (expr), ref_p);
|
|
612 stream_write_tree (ob, DECL_SIZE_UNIT (expr), ref_p);
|
|
613
|
|
614 /* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs
|
|
615 special handling in LTO, it must be handled by streamer hooks. */
|
|
616
|
|
617 stream_write_tree (ob, DECL_ATTRIBUTES (expr), ref_p);
|
145
|
618
|
|
619 /* On non-early-LTO enabled targets we claim we compiled with -g0
|
|
620 but dwarf2out still did its set_decl_origin_self game fooling
|
|
621 itself late. Und that here since we won't have access to the
|
|
622 early generated abstract DIEs. */
|
|
623 tree ao = DECL_ABSTRACT_ORIGIN (expr);
|
|
624 if (debug_info_level == DINFO_LEVEL_NONE
|
|
625 && ao == expr)
|
|
626 ao = NULL_TREE;
|
|
627 stream_write_tree (ob, ao, ref_p);
|
111
|
628
|
|
629 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
|
|
630 && DECL_HAS_VALUE_EXPR_P (expr))
|
|
631 stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p);
|
|
632
|
131
|
633 if (VAR_P (expr)
|
|
634 && DECL_HAS_DEBUG_EXPR_P (expr))
|
111
|
635 stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p);
|
|
636 }
|
|
637
|
|
638
|
|
639 /* Write all pointer fields in the TS_DECL_NON_COMMON structure of
|
|
640 EXPR to output block OB. If REF_P is true, write a reference to EXPR's
|
|
641 pointer fields. */
|
|
642
|
|
643 static void
|
131
|
644 write_ts_decl_non_common_tree_pointers (struct output_block *, tree, bool)
|
111
|
645 {
|
|
646 }
|
|
647
|
|
648
|
|
649 /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
|
650 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
651 pointer fields. */
|
|
652
|
|
653 static void
|
|
654 write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr,
|
|
655 bool ref_p)
|
|
656 {
|
|
657 /* Make sure we don't inadvertently set the assembler name. */
|
|
658 if (DECL_ASSEMBLER_NAME_SET_P (expr))
|
|
659 stream_write_tree (ob, DECL_ASSEMBLER_NAME (expr), ref_p);
|
|
660 else
|
|
661 stream_write_tree (ob, NULL_TREE, false);
|
|
662 }
|
|
663
|
|
664
|
|
665 /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
|
|
666 output block OB. If REF_P is true, write a reference to EXPR's
|
|
667 pointer fields. */
|
|
668
|
|
669 static void
|
|
670 write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
671 bool ref_p)
|
|
672 {
|
|
673 stream_write_tree (ob, DECL_FIELD_OFFSET (expr), ref_p);
|
|
674 stream_write_tree (ob, DECL_BIT_FIELD_TYPE (expr), ref_p);
|
|
675 stream_write_tree (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr), ref_p);
|
|
676 stream_write_tree (ob, DECL_FIELD_BIT_OFFSET (expr), ref_p);
|
|
677 }
|
|
678
|
|
679
|
|
680 /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
|
681 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
682 pointer fields. */
|
|
683
|
|
684 static void
|
|
685 write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
686 bool ref_p)
|
|
687 {
|
|
688 /* DECL_STRUCT_FUNCTION is handled by lto_output_function. */
|
|
689 stream_write_tree (ob, DECL_FUNCTION_PERSONALITY (expr), ref_p);
|
|
690 /* Don't stream these when passing things to a different target. */
|
|
691 if (!lto_stream_offload_p)
|
|
692 stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p);
|
|
693 stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr), ref_p);
|
|
694 }
|
|
695
|
|
696
|
|
697 /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
|
|
698 output block OB. If REF_P is true, write a reference to EXPR's
|
|
699 pointer fields. */
|
|
700
|
|
701 static void
|
|
702 write_ts_type_common_tree_pointers (struct output_block *ob, tree expr,
|
|
703 bool ref_p)
|
|
704 {
|
|
705 stream_write_tree (ob, TYPE_SIZE (expr), ref_p);
|
|
706 stream_write_tree (ob, TYPE_SIZE_UNIT (expr), ref_p);
|
|
707 stream_write_tree (ob, TYPE_ATTRIBUTES (expr), ref_p);
|
|
708 stream_write_tree (ob, TYPE_NAME (expr), ref_p);
|
|
709 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
|
710 reconstructed during fixup. */
|
|
711 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
|
712 during fixup. */
|
|
713 stream_write_tree (ob, TYPE_MAIN_VARIANT (expr), ref_p);
|
|
714 stream_write_tree (ob, TYPE_CONTEXT (expr), ref_p);
|
|
715 /* TYPE_CANONICAL is re-computed during type merging, so no need
|
|
716 to stream it here. */
|
131
|
717 /* Do not stream TYPE_STUB_DECL; it is not needed by LTO but currently
|
145
|
718 it cannot be freed by free_lang_data without triggering ICEs in
|
131
|
719 langhooks. */
|
111
|
720 }
|
|
721
|
|
722 /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
|
723 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
724 pointer fields. */
|
|
725
|
|
726 static void
|
|
727 write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr,
|
|
728 bool ref_p)
|
|
729 {
|
|
730 if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
|
731 stream_write_tree (ob, TYPE_VALUES (expr), ref_p);
|
|
732 else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
733 stream_write_tree (ob, TYPE_DOMAIN (expr), ref_p);
|
|
734 else if (RECORD_OR_UNION_TYPE_P (expr))
|
|
735 streamer_write_chain (ob, TYPE_FIELDS (expr), ref_p);
|
|
736 else if (TREE_CODE (expr) == FUNCTION_TYPE
|
|
737 || TREE_CODE (expr) == METHOD_TYPE)
|
|
738 stream_write_tree (ob, TYPE_ARG_TYPES (expr), ref_p);
|
|
739
|
|
740 if (!POINTER_TYPE_P (expr))
|
|
741 stream_write_tree (ob, TYPE_MIN_VALUE_RAW (expr), ref_p);
|
|
742 stream_write_tree (ob, TYPE_MAX_VALUE_RAW (expr), ref_p);
|
|
743 }
|
|
744
|
|
745
|
|
746 /* Write all pointer fields in the TS_LIST structure of EXPR to output
|
|
747 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
748 fields. */
|
|
749
|
|
750 static void
|
|
751 write_ts_list_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
752 {
|
|
753 stream_write_tree (ob, TREE_PURPOSE (expr), ref_p);
|
|
754 stream_write_tree (ob, TREE_VALUE (expr), ref_p);
|
|
755 stream_write_tree (ob, TREE_CHAIN (expr), ref_p);
|
|
756 }
|
|
757
|
|
758
|
|
759 /* Write all pointer fields in the TS_VEC structure of EXPR to output
|
|
760 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
761 fields. */
|
|
762
|
|
763 static void
|
|
764 write_ts_vec_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
765 {
|
|
766 int i;
|
|
767
|
|
768 /* Note that the number of slots for EXPR has already been emitted
|
|
769 in EXPR's header (see streamer_write_tree_header). */
|
|
770 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
|
771 stream_write_tree (ob, TREE_VEC_ELT (expr, i), ref_p);
|
|
772 }
|
|
773
|
|
774
|
|
775 /* Write all pointer fields in the TS_EXP structure of EXPR to output
|
|
776 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
777 fields. */
|
|
778
|
|
779 static void
|
|
780 write_ts_exp_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
781 {
|
|
782 int i;
|
|
783
|
|
784 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
|
|
785 stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p);
|
|
786 stream_write_tree (ob, TREE_BLOCK (expr), ref_p);
|
|
787 }
|
|
788
|
|
789
|
|
790 /* Write all pointer fields in the TS_BLOCK structure of EXPR to output
|
|
791 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
792 fields. */
|
|
793
|
|
794 static void
|
|
795 write_ts_block_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
796 {
|
|
797 streamer_write_chain (ob, BLOCK_VARS (expr), ref_p);
|
|
798
|
|
799 stream_write_tree (ob, BLOCK_SUPERCONTEXT (expr), ref_p);
|
131
|
800 stream_write_tree (ob, BLOCK_ABSTRACT_ORIGIN (expr), ref_p);
|
111
|
801
|
|
802 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
|
803 for early inlined BLOCKs so drop it on the floor instead of ICEing in
|
|
804 dwarf2out.c. */
|
|
805
|
|
806 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
|
|
807 streaming time. */
|
|
808
|
|
809 /* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this
|
|
810 list is re-constructed from BLOCK_SUPERCONTEXT. */
|
|
811 }
|
|
812
|
|
813
|
|
814 /* Write all pointer fields in the TS_BINFO structure of EXPR to output
|
|
815 block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
816 fields. */
|
|
817
|
|
818 static void
|
|
819 write_ts_binfo_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
820 {
|
|
821 unsigned i;
|
|
822 tree t;
|
|
823
|
|
824 /* Note that the number of BINFO slots has already been emitted in
|
|
825 EXPR's header (see streamer_write_tree_header) because this length
|
|
826 is needed to build the empty BINFO node on the reader side. */
|
|
827 FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
|
|
828 stream_write_tree (ob, t, ref_p);
|
|
829 stream_write_tree (ob, NULL_TREE, false);
|
|
830
|
|
831 stream_write_tree (ob, BINFO_OFFSET (expr), ref_p);
|
|
832 stream_write_tree (ob, BINFO_VTABLE (expr), ref_p);
|
|
833
|
131
|
834 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
|
|
835 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE only. */
|
111
|
836 }
|
|
837
|
|
838
|
|
839 /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
|
|
840 output block OB. If REF_P is true, write a reference to EXPR's
|
|
841 pointer fields. */
|
|
842
|
|
843 static void
|
|
844 write_ts_constructor_tree_pointers (struct output_block *ob, tree expr,
|
|
845 bool ref_p)
|
|
846 {
|
|
847 unsigned i;
|
|
848 tree index, value;
|
|
849
|
|
850 FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
|
|
851 {
|
|
852 stream_write_tree (ob, index, ref_p);
|
|
853 stream_write_tree (ob, value, ref_p);
|
|
854 }
|
|
855 }
|
|
856
|
|
857
|
|
858 /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
|
|
859 to output block OB. If REF_P is true, write a reference to EXPR's
|
|
860 pointer fields. */
|
|
861
|
|
862 static void
|
|
863 write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr,
|
|
864 bool ref_p)
|
|
865 {
|
|
866 int i;
|
|
867 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
|
|
868 stream_write_tree (ob, OMP_CLAUSE_OPERAND (expr, i), ref_p);
|
145
|
869 switch (OMP_CLAUSE_CODE (expr))
|
111
|
870 {
|
145
|
871 case OMP_CLAUSE_REDUCTION:
|
|
872 case OMP_CLAUSE_TASK_REDUCTION:
|
|
873 case OMP_CLAUSE_IN_REDUCTION:
|
111
|
874 /* We don't stream these right now, handle it if streaming
|
|
875 of them is needed. */
|
|
876 gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
|
|
877 gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
|
145
|
878 break;
|
|
879 default:
|
|
880 break;
|
111
|
881 }
|
|
882 stream_write_tree (ob, OMP_CLAUSE_CHAIN (expr), ref_p);
|
|
883 }
|
|
884
|
|
885
|
|
886 /* Write all pointer fields in EXPR to output block OB. If REF_P is true,
|
|
887 the leaves of EXPR are emitted as references. */
|
|
888
|
|
889 void
|
|
890 streamer_write_tree_body (struct output_block *ob, tree expr, bool ref_p)
|
|
891 {
|
|
892 enum tree_code code;
|
|
893
|
|
894 lto_stats.num_tree_bodies_output++;
|
|
895
|
|
896 code = TREE_CODE (expr);
|
|
897
|
|
898 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
|
899 write_ts_common_tree_pointers (ob, expr, ref_p);
|
|
900
|
|
901 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
902 write_ts_vector_tree_pointers (ob, expr, ref_p);
|
|
903
|
131
|
904 if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
|
|
905 write_ts_poly_tree_pointers (ob, expr, ref_p);
|
|
906
|
111
|
907 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
|
908 write_ts_complex_tree_pointers (ob, expr, ref_p);
|
|
909
|
|
910 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
911 write_ts_decl_minimal_tree_pointers (ob, expr, ref_p);
|
|
912
|
|
913 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
914 write_ts_decl_common_tree_pointers (ob, expr, ref_p);
|
|
915
|
|
916 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
|
917 write_ts_decl_non_common_tree_pointers (ob, expr, ref_p);
|
|
918
|
|
919 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
920 write_ts_decl_with_vis_tree_pointers (ob, expr, ref_p);
|
|
921
|
|
922 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
|
|
923 write_ts_field_decl_tree_pointers (ob, expr, ref_p);
|
|
924
|
|
925 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
926 write_ts_function_decl_tree_pointers (ob, expr, ref_p);
|
|
927
|
|
928 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
929 write_ts_type_common_tree_pointers (ob, expr, ref_p);
|
|
930
|
|
931 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
|
|
932 write_ts_type_non_common_tree_pointers (ob, expr, ref_p);
|
|
933
|
|
934 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
|
|
935 write_ts_list_tree_pointers (ob, expr, ref_p);
|
|
936
|
|
937 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
938 write_ts_vec_tree_pointers (ob, expr, ref_p);
|
|
939
|
|
940 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
941 write_ts_exp_tree_pointers (ob, expr, ref_p);
|
|
942
|
|
943 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
944 write_ts_block_tree_pointers (ob, expr, ref_p);
|
|
945
|
|
946 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
947 write_ts_binfo_tree_pointers (ob, expr, ref_p);
|
|
948
|
|
949 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
950 write_ts_constructor_tree_pointers (ob, expr, ref_p);
|
|
951
|
|
952 if (code == OMP_CLAUSE)
|
|
953 write_ts_omp_clause_tree_pointers (ob, expr, ref_p);
|
|
954 }
|
|
955
|
|
956
|
|
957 /* Emit header information for tree EXPR to output block OB. The header
|
|
958 contains everything needed to instantiate an empty skeleton for
|
|
959 EXPR on the reading side. IX is the index into the streamer cache
|
|
960 where EXPR is stored. */
|
|
961
|
|
962 void
|
|
963 streamer_write_tree_header (struct output_block *ob, tree expr)
|
|
964 {
|
|
965 enum LTO_tags tag;
|
|
966 enum tree_code code;
|
|
967
|
|
968 /* We should not see any tree nodes not handled by the streamer. */
|
|
969 code = TREE_CODE (expr);
|
|
970
|
|
971 /* The header of a tree node consists of its tag, the size of
|
|
972 the node, and any other information needed to instantiate
|
|
973 EXPR on the reading side (such as the number of slots in
|
|
974 variable sized nodes). */
|
|
975 tag = lto_tree_code_to_tag (code);
|
|
976 streamer_write_record_start (ob, tag);
|
|
977
|
|
978 /* The text in strings and identifiers are completely emitted in
|
|
979 the header. */
|
|
980 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
|
981 streamer_write_string_cst (ob, ob->main_stream, expr);
|
|
982 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
|
983 write_identifier (ob, ob->main_stream, expr);
|
|
984 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
131
|
985 {
|
|
986 bitpack_d bp = bitpack_create (ob->main_stream);
|
|
987 bp_pack_value (&bp, VECTOR_CST_LOG2_NPATTERNS (expr), 8);
|
|
988 bp_pack_value (&bp, VECTOR_CST_NELTS_PER_PATTERN (expr), 8);
|
|
989 streamer_write_bitpack (&bp);
|
|
990 }
|
111
|
991 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
992 streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
|
|
993 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
994 streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
|
|
995 else if (TREE_CODE (expr) == CALL_EXPR)
|
|
996 streamer_write_uhwi (ob, call_expr_nargs (expr));
|
|
997 else if (TREE_CODE (expr) == OMP_CLAUSE)
|
|
998 streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
|
|
999 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
1000 {
|
|
1001 gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
|
|
1002 streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
|
|
1003 streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
|
|
1004 }
|
|
1005 }
|
|
1006
|
|
1007
|
|
1008 /* Emit the integer constant CST to output block OB. If REF_P is true,
|
|
1009 CST's type will be emitted as a reference. */
|
|
1010
|
|
1011 void
|
|
1012 streamer_write_integer_cst (struct output_block *ob, tree cst, bool ref_p)
|
|
1013 {
|
|
1014 int i;
|
|
1015 int len = TREE_INT_CST_NUNITS (cst);
|
|
1016 gcc_assert (!TREE_OVERFLOW (cst));
|
|
1017 streamer_write_record_start (ob, LTO_integer_cst);
|
|
1018 stream_write_tree (ob, TREE_TYPE (cst), ref_p);
|
|
1019 /* We're effectively streaming a non-sign-extended wide_int here,
|
|
1020 so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
|
|
1021 array members beyond LEN. We'll recreate the tree from the
|
|
1022 wide_int and the type. */
|
|
1023 streamer_write_uhwi (ob, len);
|
|
1024 for (i = 0; i < len; i++)
|
|
1025 streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
|
|
1026 }
|