111
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1 /* Routines for reading trees from a file stream.
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2
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131
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3 Copyright (C) 2011-2018 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 "stringpool.h"
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30 #include "tree-streamer.h"
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31 #include "cgraph.h"
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32 #include "builtins.h"
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33 #include "gomp-constants.h"
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34 #include "stringpool.h"
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35 #include "attribs.h"
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36 #include "asan.h"
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37 #include "opts.h"
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38
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39
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40 /* Read a STRING_CST from the string table in DATA_IN using input
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41 block IB. */
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42
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43 tree
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44 streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib)
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45 {
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46 unsigned int len;
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47 const char * ptr;
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48
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49 ptr = streamer_read_indexed_string (data_in, ib, &len);
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50 if (!ptr)
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51 return NULL;
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52 return build_string (len, ptr);
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53 }
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54
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55
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56 /* Read an IDENTIFIER from the string table in DATA_IN using input
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57 block IB. */
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58
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59 static tree
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60 input_identifier (struct data_in *data_in, struct lto_input_block *ib)
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61 {
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62 unsigned int len;
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63 const char *ptr;
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64
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65 ptr = streamer_read_indexed_string (data_in, ib, &len);
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66 if (!ptr)
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67 return NULL;
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68 return get_identifier_with_length (ptr, len);
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69 }
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70
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71
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72 /* Read a chain of tree nodes from input block IB. DATA_IN contains
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73 tables and descriptors for the file being read. */
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74
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75 tree
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76 streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in)
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77 {
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78 tree first, prev, curr;
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79
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80 /* The chain is written as NULL terminated list of trees. */
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81 first = prev = NULL_TREE;
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82 do
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83 {
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84 curr = stream_read_tree (ib, data_in);
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85 if (prev)
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86 TREE_CHAIN (prev) = curr;
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87 else
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88 first = curr;
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89
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90 prev = curr;
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91 }
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92 while (curr);
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93
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94 return first;
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95 }
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96
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97
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98 /* Unpack all the non-pointer fields of the TS_BASE structure of
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99 expression EXPR from bitpack BP. */
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100
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101 static inline void
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102 unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
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103 {
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104 /* Note that the code for EXPR has already been unpacked to create EXPR in
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105 streamer_alloc_tree. */
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106 if (!TYPE_P (expr))
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107 {
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108 TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
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109 TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
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110 TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
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111
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112 /* TREE_PUBLIC is used on types to indicate that the type
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113 has a TYPE_CACHED_VALUES vector. This is not streamed out,
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114 so we skip it here. */
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115 TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
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116 }
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117 else
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118 bp_unpack_value (bp, 4);
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119 TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
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120 TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
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121 if (DECL_P (expr))
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122 {
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123 DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
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124 DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1);
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125 }
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126 else if (TYPE_P (expr))
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127 TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
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128 else
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129 bp_unpack_value (bp, 1);
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130 TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
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131 if (TYPE_P (expr))
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132 TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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133 else
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134 TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
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135 TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
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136 TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
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137 if (TREE_CODE (expr) != TREE_BINFO)
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138 TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
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139 else
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140 bp_unpack_value (bp, 1);
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141 TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
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142 TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
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143 if (TYPE_P (expr))
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144 {
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145 if (AGGREGATE_TYPE_P (expr))
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146 TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
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147 else
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148 TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
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149 TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
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150 }
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151 else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
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152 {
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153 REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
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154 bp_unpack_value (bp, 8);
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155 }
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156 else if (TREE_CODE (expr) == SSA_NAME)
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157 {
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158 SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
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159 bp_unpack_value (bp, 8);
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160 }
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161 else
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162 bp_unpack_value (bp, 9);
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163 }
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164
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165
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166 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
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167 expression EXPR from bitpack BP. */
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168
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169 static void
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170 unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
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171 {
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172 int i;
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173 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
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174 TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
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175 }
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176
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177
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178 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
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179 expression EXPR from bitpack BP. */
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180
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181 static void
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182 unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
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183 {
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184 unsigned i;
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185 REAL_VALUE_TYPE r;
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186 REAL_VALUE_TYPE *rp;
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187
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188 /* Clear all bits of the real value type so that we can later do
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189 bitwise comparisons to see if two values are the same. */
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190 memset (&r, 0, sizeof r);
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191 r.cl = (unsigned) bp_unpack_value (bp, 2);
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192 r.decimal = (unsigned) bp_unpack_value (bp, 1);
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193 r.sign = (unsigned) bp_unpack_value (bp, 1);
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194 r.signalling = (unsigned) bp_unpack_value (bp, 1);
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195 r.canonical = (unsigned) bp_unpack_value (bp, 1);
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196 r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
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197 for (i = 0; i < SIGSZ; i++)
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198 r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
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199
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200 rp = ggc_alloc<real_value> ();
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201 memcpy (rp, &r, sizeof (REAL_VALUE_TYPE));
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202 TREE_REAL_CST_PTR (expr) = rp;
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203 }
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204
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205
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206 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
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207 expression EXPR from bitpack BP. */
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208
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209 static void
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210 unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
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211 {
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212 FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
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213 fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp));
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214 fp->data.low = bp_unpack_var_len_int (bp);
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215 fp->data.high = bp_unpack_var_len_int (bp);
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216 TREE_FIXED_CST_PTR (expr) = fp;
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217 }
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218
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219 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
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220 of expression EXPR from bitpack BP. */
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221
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222 static void
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223 unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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224 {
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225 SET_DECL_MODE (expr, bp_unpack_machine_mode (bp));
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226 DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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227 DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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228 DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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229 DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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230 DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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231 DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
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232 DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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233 DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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234 DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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235 SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp));
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236 #ifdef ACCEL_COMPILER
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237 if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
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238 SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment);
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239 #endif
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240 if (TREE_CODE (expr) == LABEL_DECL)
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241 {
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242 EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
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243
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244 /* Always assume an initial value of -1 for LABEL_DECL_UID to
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245 force gimple_set_bb to recreate label_to_block_map. */
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246 LABEL_DECL_UID (expr) = -1;
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247 }
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248
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249 if (TREE_CODE (expr) == FIELD_DECL)
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250 {
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251 DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
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252 DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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131
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253 DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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111
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254 expr->decl_common.off_align = bp_unpack_value (bp, 8);
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255 }
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256
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257 if (VAR_P (expr))
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258 {
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259 DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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260 DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
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261 }
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262
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263 if (TREE_CODE (expr) == RESULT_DECL
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264 || TREE_CODE (expr) == PARM_DECL
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265 || VAR_P (expr))
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266 {
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267 DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
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268 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
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269 DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 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 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
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275 of expression EXPR from bitpack BP. */
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276
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277 static void
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278 unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
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279 {
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280 DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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281 }
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282
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283
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284 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
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285 of expression EXPR from bitpack BP. */
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286
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287 static void
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288 unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
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289 {
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290 DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
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291 DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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292 DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
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293 DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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294 DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
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295 DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
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296 DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
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297
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298 if (VAR_P (expr))
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299 {
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300 DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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301 DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
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302 }
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303
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304 if (TREE_CODE (expr) == FUNCTION_DECL)
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305 {
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306 DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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307 DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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308 DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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309 }
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310 }
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311
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312
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313 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
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314 of expression EXPR from bitpack BP. */
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315
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316 static void
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317 unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
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318 {
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319 DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class,
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320 BUILT_IN_LAST);
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321 DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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322 DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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323 DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
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324 DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
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325 DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
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326 DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
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327 DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
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328 DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1);
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329 DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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330 DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
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331 DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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332 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
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333 = (unsigned) bp_unpack_value (bp, 1);
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334 DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
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335 DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
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336 DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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337 DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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338 if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
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339 {
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340 DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp,
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341 12);
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342 if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL
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343 && DECL_FUNCTION_CODE (expr) >= END_BUILTINS)
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344 fatal_error (input_location,
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345 "machine independent builtin code out of range");
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346 else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD)
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347 {
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348 tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true);
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349 if (!result || result == error_mark_node)
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350 fatal_error (input_location,
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351 "target specific builtin not available");
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352 }
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353 }
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354 }
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355
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356
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357 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
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358 of expression EXPR from bitpack BP. */
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359
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360 static void
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361 unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
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362 {
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363 machine_mode mode;
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364
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365 mode = bp_unpack_machine_mode (bp);
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366 SET_TYPE_MODE (expr, mode);
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367 TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
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368 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
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369 no streaming. */
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370 TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1);
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371 TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
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372 TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
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373 TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
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374 TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
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375 if (RECORD_OR_UNION_TYPE_P (expr))
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376 {
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377 TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
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378 TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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379 }
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380 else if (TREE_CODE (expr) == ARRAY_TYPE)
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381 TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
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382 if (AGGREGATE_TYPE_P (expr))
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383 TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1);
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131
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384 TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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111
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385 TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
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386 SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp));
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387 #ifdef ACCEL_COMPILER
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388 if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
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389 SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment);
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390 #endif
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391 }
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392
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393
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394 /* Unpack all the non-pointer fields of the TS_BLOCK structure
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395 of expression EXPR from bitpack BP. */
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396
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397 static void
|
|
398 unpack_ts_block_value_fields (struct data_in *data_in,
|
|
399 struct bitpack_d *bp, tree expr)
|
|
400 {
|
|
401 /* BLOCK_NUMBER is recomputed. */
|
|
402 stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
|
|
403 }
|
|
404
|
|
405 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
|
|
406 structure of expression EXPR from bitpack BP. */
|
|
407
|
|
408 static void
|
|
409 unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in,
|
|
410 struct bitpack_d *bp, tree expr)
|
|
411 {
|
|
412 TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
|
|
413 vec_safe_push (all_translation_units, expr);
|
|
414 }
|
|
415
|
|
416
|
|
417 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
|
|
418 structure of expression EXPR from bitpack BP. */
|
|
419
|
|
420 static void
|
|
421 unpack_ts_omp_clause_value_fields (struct data_in *data_in,
|
|
422 struct bitpack_d *bp, tree expr)
|
|
423 {
|
|
424 stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
|
|
425 switch (OMP_CLAUSE_CODE (expr))
|
|
426 {
|
|
427 case OMP_CLAUSE_DEFAULT:
|
|
428 OMP_CLAUSE_DEFAULT_KIND (expr)
|
|
429 = bp_unpack_enum (bp, omp_clause_default_kind,
|
|
430 OMP_CLAUSE_DEFAULT_LAST);
|
|
431 break;
|
|
432 case OMP_CLAUSE_SCHEDULE:
|
|
433 OMP_CLAUSE_SCHEDULE_KIND (expr)
|
|
434 = bp_unpack_enum (bp, omp_clause_schedule_kind,
|
|
435 OMP_CLAUSE_SCHEDULE_LAST);
|
|
436 break;
|
|
437 case OMP_CLAUSE_DEPEND:
|
|
438 OMP_CLAUSE_DEPEND_KIND (expr)
|
|
439 = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
|
|
440 break;
|
|
441 case OMP_CLAUSE_MAP:
|
|
442 OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
|
|
443 GOMP_MAP_LAST));
|
|
444 break;
|
|
445 case OMP_CLAUSE_PROC_BIND:
|
|
446 OMP_CLAUSE_PROC_BIND_KIND (expr)
|
|
447 = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
|
|
448 OMP_CLAUSE_PROC_BIND_LAST);
|
|
449 break;
|
|
450 case OMP_CLAUSE_REDUCTION:
|
|
451 OMP_CLAUSE_REDUCTION_CODE (expr)
|
|
452 = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
|
|
453 break;
|
|
454 default:
|
|
455 break;
|
|
456 }
|
|
457 }
|
|
458
|
|
459
|
|
460 /* Read all the language-independent bitfield values for EXPR from IB.
|
|
461 Return the partially unpacked bitpack so the caller can unpack any other
|
|
462 bitfield values that the writer may have written. */
|
|
463
|
|
464 void
|
|
465 streamer_read_tree_bitfields (struct lto_input_block *ib,
|
|
466 struct data_in *data_in, tree expr)
|
|
467 {
|
|
468 enum tree_code code;
|
|
469 struct bitpack_d bp;
|
|
470
|
|
471 /* Read the bitpack of non-pointer values from IB. */
|
|
472 bp = streamer_read_bitpack (ib);
|
|
473
|
|
474 /* The first word in BP contains the code of the tree that we
|
|
475 are about to read. */
|
|
476 code = (enum tree_code) bp_unpack_value (&bp, 16);
|
|
477 lto_tag_check (lto_tree_code_to_tag (code),
|
|
478 lto_tree_code_to_tag (TREE_CODE (expr)));
|
|
479
|
|
480 /* Note that all these functions are highly sensitive to changes in
|
|
481 the types and sizes of each of the fields being packed. */
|
|
482 unpack_ts_base_value_fields (&bp, expr);
|
|
483
|
|
484 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
485 unpack_ts_int_cst_value_fields (&bp, expr);
|
|
486
|
|
487 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
|
488 unpack_ts_real_cst_value_fields (&bp, expr);
|
|
489
|
|
490 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
|
491 unpack_ts_fixed_cst_value_fields (&bp, expr);
|
|
492
|
|
493 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
494 stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
|
|
495
|
|
496 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
497 unpack_ts_decl_common_value_fields (&bp, expr);
|
|
498
|
|
499 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
|
500 unpack_ts_decl_wrtl_value_fields (&bp, expr);
|
|
501
|
|
502 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
503 unpack_ts_decl_with_vis_value_fields (&bp, expr);
|
|
504
|
|
505 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
506 unpack_ts_function_decl_value_fields (&bp, expr);
|
|
507
|
|
508 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
509 unpack_ts_type_common_value_fields (&bp, expr);
|
|
510
|
|
511 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
512 {
|
|
513 stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
|
|
514 if (code == MEM_REF
|
|
515 || code == TARGET_MEM_REF)
|
|
516 {
|
|
517 MR_DEPENDENCE_CLIQUE (expr)
|
|
518 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
|
|
519 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
|
|
520 MR_DEPENDENCE_BASE (expr)
|
|
521 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
|
|
522 }
|
|
523 }
|
|
524
|
|
525 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
526 unpack_ts_block_value_fields (data_in, &bp, expr);
|
|
527
|
|
528 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
|
529 unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
|
|
530
|
|
531 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
131
|
532 cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr));
|
111
|
533
|
|
534 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
535 {
|
|
536 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
|
|
537 if (length > 0)
|
|
538 vec_safe_grow (CONSTRUCTOR_ELTS (expr), length);
|
|
539 }
|
|
540
|
|
541 #ifndef ACCEL_COMPILER
|
|
542 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
|
|
543 {
|
|
544 cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
|
|
545 if (targetm.target_option.post_stream_in)
|
|
546 targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
|
|
547 }
|
|
548 #endif
|
|
549
|
|
550 if (code == OMP_CLAUSE)
|
|
551 unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
|
|
552 }
|
|
553
|
|
554
|
|
555 /* Materialize a new tree from input block IB using descriptors in
|
|
556 DATA_IN. The code for the new tree should match TAG. Store in
|
|
557 *IX_P the index into the reader cache where the new tree is stored. */
|
|
558
|
|
559 tree
|
|
560 streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in,
|
|
561 enum LTO_tags tag)
|
|
562 {
|
|
563 enum tree_code code;
|
|
564 tree result;
|
|
565
|
|
566 result = NULL_TREE;
|
|
567
|
|
568 code = lto_tag_to_tree_code (tag);
|
|
569
|
|
570 /* We should never see an SSA_NAME tree. Only the version numbers of
|
|
571 SSA names are ever written out. See input_ssa_names. */
|
|
572 gcc_assert (code != SSA_NAME);
|
|
573
|
|
574 /* Instantiate a new tree using the header data. */
|
|
575 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
|
576 result = streamer_read_string_cst (data_in, ib);
|
|
577 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
|
578 result = input_identifier (data_in, ib);
|
|
579 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
580 {
|
|
581 HOST_WIDE_INT len = streamer_read_hwi (ib);
|
|
582 result = make_tree_vec (len);
|
|
583 }
|
|
584 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
585 {
|
131
|
586 bitpack_d bp = streamer_read_bitpack (ib);
|
|
587 unsigned int log2_npatterns = bp_unpack_value (&bp, 8);
|
|
588 unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8);
|
|
589 result = make_vector (log2_npatterns, nelts_per_pattern);
|
111
|
590 }
|
|
591 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
592 {
|
|
593 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
|
|
594 result = make_tree_binfo (len);
|
|
595 }
|
|
596 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
597 {
|
|
598 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
|
|
599 unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
|
|
600 result = make_int_cst (len, ext_len);
|
|
601 }
|
|
602 else if (code == CALL_EXPR)
|
|
603 {
|
|
604 unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
|
|
605 return build_vl_exp (CALL_EXPR, nargs + 3);
|
|
606 }
|
|
607 else if (code == OMP_CLAUSE)
|
|
608 {
|
|
609 enum omp_clause_code subcode
|
|
610 = (enum omp_clause_code) streamer_read_uhwi (ib);
|
|
611 return build_omp_clause (UNKNOWN_LOCATION, subcode);
|
|
612 }
|
|
613 else
|
|
614 {
|
|
615 /* For all other nodes, materialize the tree with a raw
|
|
616 make_node call. */
|
|
617 result = make_node (code);
|
|
618 }
|
|
619
|
|
620 return result;
|
|
621 }
|
|
622
|
|
623
|
|
624 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
|
|
625 block IB. DATA_IN contains tables and descriptors for the
|
|
626 file being read. */
|
|
627
|
|
628
|
|
629 static void
|
|
630 lto_input_ts_common_tree_pointers (struct lto_input_block *ib,
|
|
631 struct data_in *data_in, tree expr)
|
|
632 {
|
|
633 if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
|
634 TREE_TYPE (expr) = stream_read_tree (ib, data_in);
|
|
635 }
|
|
636
|
|
637
|
|
638 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
|
|
639 block IB. DATA_IN contains tables and descriptors for the
|
|
640 file being read. */
|
|
641
|
|
642 static void
|
|
643 lto_input_ts_vector_tree_pointers (struct lto_input_block *ib,
|
|
644 struct data_in *data_in, tree expr)
|
|
645 {
|
131
|
646 unsigned int count = vector_cst_encoded_nelts (expr);
|
|
647 for (unsigned int i = 0; i < count; ++i)
|
|
648 VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree (ib, data_in);
|
|
649 }
|
|
650
|
|
651
|
|
652 /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
|
|
653 input block IB. DATA_IN contains tables and descriptors for the
|
|
654 file being read. */
|
|
655
|
|
656 static void
|
|
657 lto_input_ts_poly_tree_pointers (struct lto_input_block *ib,
|
|
658 struct data_in *data_in, tree expr)
|
|
659 {
|
|
660 for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
|
|
661 POLY_INT_CST_COEFF (expr, i) = stream_read_tree (ib, data_in);
|
111
|
662 }
|
|
663
|
|
664
|
|
665 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
|
|
666 block IB. DATA_IN contains tables and descriptors for the
|
|
667 file being read. */
|
|
668
|
|
669 static void
|
|
670 lto_input_ts_complex_tree_pointers (struct lto_input_block *ib,
|
|
671 struct data_in *data_in, tree expr)
|
|
672 {
|
|
673 TREE_REALPART (expr) = stream_read_tree (ib, data_in);
|
|
674 TREE_IMAGPART (expr) = stream_read_tree (ib, data_in);
|
|
675 }
|
|
676
|
|
677
|
|
678 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
|
679 from input block IB. DATA_IN contains tables and descriptors for the
|
|
680 file being read. */
|
|
681
|
|
682 static void
|
|
683 lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib,
|
|
684 struct data_in *data_in, tree expr)
|
|
685 {
|
|
686 DECL_NAME (expr) = stream_read_tree (ib, data_in);
|
|
687 DECL_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
688 }
|
|
689
|
|
690
|
|
691 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
|
|
692 input block IB. DATA_IN contains tables and descriptors for the
|
|
693 file being read. */
|
|
694
|
|
695 static void
|
|
696 lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib,
|
|
697 struct data_in *data_in, tree expr)
|
|
698 {
|
|
699 DECL_SIZE (expr) = stream_read_tree (ib, data_in);
|
|
700 DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
|
701 DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
|
702 DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
|
|
703
|
|
704 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
|
|
705 && DECL_HAS_VALUE_EXPR_P (expr))
|
|
706 SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
|
|
707
|
131
|
708 if (VAR_P (expr)
|
|
709 && DECL_HAS_DEBUG_EXPR_P (expr))
|
111
|
710 {
|
|
711 tree dexpr = stream_read_tree (ib, data_in);
|
|
712 if (dexpr)
|
|
713 SET_DECL_DEBUG_EXPR (expr, dexpr);
|
|
714 }
|
|
715 }
|
|
716
|
|
717
|
|
718 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
|
|
719 EXPR from input block IB. DATA_IN contains tables and descriptors for the
|
|
720 file being read. */
|
|
721
|
|
722 static void
|
131
|
723 lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *,
|
|
724 struct data_in *, tree)
|
111
|
725 {
|
|
726 }
|
|
727
|
|
728
|
|
729 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
|
730 from input block IB. DATA_IN contains tables and descriptors for the
|
|
731 file being read. */
|
|
732
|
|
733 static void
|
|
734 lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib,
|
|
735 struct data_in *data_in, tree expr)
|
|
736 {
|
|
737 tree id;
|
|
738
|
|
739 id = stream_read_tree (ib, data_in);
|
|
740 if (id)
|
|
741 {
|
|
742 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
|
|
743 SET_DECL_ASSEMBLER_NAME (expr, id);
|
|
744 }
|
|
745 }
|
|
746
|
|
747
|
|
748 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
|
|
749 input block IB. DATA_IN contains tables and descriptors for the
|
|
750 file being read. */
|
|
751
|
|
752 static void
|
|
753 lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib,
|
|
754 struct data_in *data_in, tree expr)
|
|
755 {
|
|
756 DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
757 DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in);
|
|
758 DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in);
|
|
759 DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
760 }
|
|
761
|
|
762
|
|
763 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
|
764 from input block IB. DATA_IN contains tables and descriptors for the
|
|
765 file being read. */
|
|
766
|
|
767 static void
|
|
768 lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib,
|
|
769 struct data_in *data_in, tree expr)
|
|
770 {
|
|
771 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
|
|
772 DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
|
|
773 #ifndef ACCEL_COMPILER
|
|
774 DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
|
|
775 #endif
|
|
776 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
|
|
777 #ifdef ACCEL_COMPILER
|
|
778 {
|
|
779 tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr);
|
|
780 if (opts)
|
|
781 {
|
|
782 struct gcc_options tmp;
|
|
783 init_options_struct (&tmp, NULL);
|
|
784 cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts));
|
|
785 finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION);
|
|
786 opts = build_optimization_node (&tmp);
|
|
787 finalize_options_struct (&tmp);
|
|
788 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts;
|
|
789 }
|
|
790 }
|
|
791 #endif
|
|
792
|
|
793 /* If the file contains a function with an EH personality set,
|
|
794 then it was compiled with -fexceptions. In that case, initialize
|
|
795 the backend EH machinery. */
|
|
796 if (DECL_FUNCTION_PERSONALITY (expr))
|
|
797 lto_init_eh ();
|
|
798 }
|
|
799
|
|
800
|
|
801 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
|
|
802 input block IB. DATA_IN contains tables and descriptors for the file
|
|
803 being read. */
|
|
804
|
|
805 static void
|
|
806 lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib,
|
|
807 struct data_in *data_in, tree expr)
|
|
808 {
|
|
809 TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
|
|
810 TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
|
811 TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
|
812 TYPE_NAME (expr) = stream_read_tree (ib, data_in);
|
|
813 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
|
814 reconstructed during fixup. */
|
|
815 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
|
816 during fixup. */
|
|
817 TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
|
|
818 TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
819 /* TYPE_CANONICAL gets re-computed during type merging. */
|
|
820 TYPE_CANONICAL (expr) = NULL_TREE;
|
|
821 }
|
|
822
|
|
823 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
|
824 from input block IB. DATA_IN contains tables and descriptors for the
|
|
825 file being read. */
|
|
826
|
|
827 static void
|
|
828 lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib,
|
|
829 struct data_in *data_in,
|
|
830 tree expr)
|
|
831 {
|
|
832 if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
|
833 TYPE_VALUES (expr) = stream_read_tree (ib, data_in);
|
|
834 else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
835 TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in);
|
|
836 else if (RECORD_OR_UNION_TYPE_P (expr))
|
|
837 TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
|
|
838 else if (TREE_CODE (expr) == FUNCTION_TYPE
|
|
839 || TREE_CODE (expr) == METHOD_TYPE)
|
|
840 TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in);
|
|
841
|
|
842 if (!POINTER_TYPE_P (expr))
|
|
843 TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
|
|
844 TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
|
|
845 }
|
|
846
|
|
847
|
|
848 /* Read all pointer fields in the TS_LIST structure of EXPR from input
|
|
849 block IB. DATA_IN contains tables and descriptors for the
|
|
850 file being read. */
|
|
851
|
|
852 static void
|
|
853 lto_input_ts_list_tree_pointers (struct lto_input_block *ib,
|
|
854 struct data_in *data_in, tree expr)
|
|
855 {
|
|
856 TREE_PURPOSE (expr) = stream_read_tree (ib, data_in);
|
|
857 TREE_VALUE (expr) = stream_read_tree (ib, data_in);
|
|
858 TREE_CHAIN (expr) = stream_read_tree (ib, data_in);
|
|
859 }
|
|
860
|
|
861
|
|
862 /* Read all pointer fields in the TS_VEC structure of EXPR from input
|
|
863 block IB. DATA_IN contains tables and descriptors for the
|
|
864 file being read. */
|
|
865
|
|
866 static void
|
|
867 lto_input_ts_vec_tree_pointers (struct lto_input_block *ib,
|
|
868 struct data_in *data_in, tree expr)
|
|
869 {
|
|
870 int i;
|
|
871
|
|
872 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
|
|
873 instantiate EXPR. */
|
|
874 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
|
875 TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in);
|
|
876 }
|
|
877
|
|
878
|
|
879 /* Read all pointer fields in the TS_EXP structure of EXPR from input
|
|
880 block IB. DATA_IN contains tables and descriptors for the
|
|
881 file being read. */
|
|
882
|
|
883
|
|
884 static void
|
|
885 lto_input_ts_exp_tree_pointers (struct lto_input_block *ib,
|
|
886 struct data_in *data_in, tree expr)
|
|
887 {
|
|
888 int i;
|
|
889 tree block;
|
|
890
|
|
891 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
|
|
892 TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
|
|
893
|
|
894 block = stream_read_tree (ib, data_in);
|
|
895
|
|
896 /* TODO: Block is stored in the locus information. It may make more sense to
|
|
897 to make it go via the location cache. */
|
|
898 if (block)
|
|
899 {
|
|
900 data_in->location_cache.apply_location_cache ();
|
|
901 TREE_SET_BLOCK (expr, block);
|
|
902 }
|
|
903 }
|
|
904
|
|
905
|
|
906 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
|
|
907 block IB. DATA_IN contains tables and descriptors for the
|
|
908 file being read. */
|
|
909
|
|
910 static void
|
|
911 lto_input_ts_block_tree_pointers (struct lto_input_block *ib,
|
|
912 struct data_in *data_in, tree expr)
|
|
913 {
|
|
914 BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
|
|
915
|
|
916 BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
917 BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
|
|
918 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
|
919 for early inlined BLOCKs so drop it on the floor instead of ICEing in
|
|
920 dwarf2out.c. */
|
|
921
|
|
922 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
|
|
923 streaming time. */
|
|
924
|
|
925 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
|
|
926 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
|
|
927 stream the child relationship explicitly. */
|
|
928 if (BLOCK_SUPERCONTEXT (expr)
|
|
929 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
|
|
930 {
|
|
931 BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
|
|
932 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
|
|
933 }
|
|
934
|
|
935 /* The global block is rooted at the TU decl. Hook it here to
|
|
936 avoid the need to stream in this block during WPA time. */
|
|
937 else if (BLOCK_SUPERCONTEXT (expr)
|
|
938 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
|
|
939 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
|
|
940
|
|
941 /* The function-level block is connected at the time we read in
|
|
942 function bodies for the same reason. */
|
|
943 }
|
|
944
|
|
945
|
|
946 /* Read all pointer fields in the TS_BINFO structure of EXPR from input
|
|
947 block IB. DATA_IN contains tables and descriptors for the
|
|
948 file being read. */
|
|
949
|
|
950 static void
|
|
951 lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib,
|
|
952 struct data_in *data_in, tree expr)
|
|
953 {
|
|
954 tree t;
|
|
955
|
|
956 /* Note that the number of slots in EXPR was read in
|
|
957 streamer_alloc_tree when instantiating EXPR. However, the
|
|
958 vector is empty so we cannot rely on vec::length to know how many
|
|
959 elements to read. So, this list is emitted as a 0-terminated
|
|
960 list on the writer side. */
|
|
961 do
|
|
962 {
|
|
963 t = stream_read_tree (ib, data_in);
|
|
964 if (t)
|
|
965 BINFO_BASE_BINFOS (expr)->quick_push (t);
|
|
966 }
|
|
967 while (t);
|
|
968
|
|
969 BINFO_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
970 BINFO_VTABLE (expr) = stream_read_tree (ib, data_in);
|
|
971
|
131
|
972 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
|
|
973 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
|
|
974 only. */
|
111
|
975 }
|
|
976
|
|
977
|
|
978 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
|
|
979 input block IB. DATA_IN contains tables and descriptors for the
|
|
980 file being read. */
|
|
981
|
|
982 static void
|
|
983 lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib,
|
|
984 struct data_in *data_in, tree expr)
|
|
985 {
|
|
986 unsigned i;
|
|
987
|
|
988 for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
|
|
989 {
|
|
990 constructor_elt e;
|
|
991 e.index = stream_read_tree (ib, data_in);
|
|
992 e.value = stream_read_tree (ib, data_in);
|
|
993 (*CONSTRUCTOR_ELTS (expr))[i] = e;
|
|
994 }
|
|
995 }
|
|
996
|
|
997
|
|
998 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
|
|
999 input block IB. DATA_IN contains tables and descriptors for the
|
|
1000 file being read. */
|
|
1001
|
|
1002 static void
|
|
1003 lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib,
|
|
1004 struct data_in *data_in, tree expr)
|
|
1005 {
|
|
1006 int i;
|
|
1007
|
|
1008 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
|
|
1009 OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
|
|
1010 OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in);
|
|
1011 }
|
|
1012
|
|
1013
|
|
1014 /* Read all pointer fields in EXPR from input block IB. DATA_IN
|
|
1015 contains tables and descriptors for the file being read. */
|
|
1016
|
|
1017 void
|
|
1018 streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in,
|
|
1019 tree expr)
|
|
1020 {
|
|
1021 enum tree_code code;
|
|
1022
|
|
1023 code = TREE_CODE (expr);
|
|
1024
|
|
1025 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
|
1026 lto_input_ts_common_tree_pointers (ib, data_in, expr);
|
|
1027
|
|
1028 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
1029 lto_input_ts_vector_tree_pointers (ib, data_in, expr);
|
|
1030
|
131
|
1031 if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
|
|
1032 lto_input_ts_poly_tree_pointers (ib, data_in, expr);
|
|
1033
|
111
|
1034 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
|
1035 lto_input_ts_complex_tree_pointers (ib, data_in, expr);
|
|
1036
|
|
1037 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
1038 lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
|
|
1039
|
|
1040 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
1041 lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
|
|
1042
|
|
1043 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
|
1044 lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
|
|
1045
|
|
1046 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
1047 lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
|
|
1048
|
|
1049 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
|
|
1050 lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
|
|
1051
|
|
1052 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
1053 lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
|
|
1054
|
|
1055 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
1056 lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
|
|
1057
|
|
1058 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
|
|
1059 lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
|
|
1060
|
|
1061 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
|
|
1062 lto_input_ts_list_tree_pointers (ib, data_in, expr);
|
|
1063
|
|
1064 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
1065 lto_input_ts_vec_tree_pointers (ib, data_in, expr);
|
|
1066
|
|
1067 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
1068 lto_input_ts_exp_tree_pointers (ib, data_in, expr);
|
|
1069
|
|
1070 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
1071 lto_input_ts_block_tree_pointers (ib, data_in, expr);
|
|
1072
|
|
1073 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
1074 lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
|
|
1075
|
|
1076 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
1077 lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
|
|
1078
|
|
1079 if (code == OMP_CLAUSE)
|
|
1080 lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
|
|
1081 }
|
|
1082
|
|
1083
|
|
1084 /* Read an index IX from input block IB and return the tree node at
|
|
1085 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
|
|
1086
|
|
1087 tree
|
|
1088 streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in)
|
|
1089 {
|
|
1090 unsigned HOST_WIDE_INT ix;
|
|
1091 tree result;
|
|
1092 enum LTO_tags expected_tag;
|
|
1093
|
|
1094 ix = streamer_read_uhwi (ib);
|
|
1095 expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
|
|
1096
|
|
1097 result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
|
|
1098 gcc_assert (result
|
|
1099 && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
|
|
1100
|
|
1101 return result;
|
|
1102 }
|