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111
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1 /* Routines for reading trees from 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 "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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145
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44 streamer_read_string_cst (class data_in *data_in, class lto_input_block *ib)
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111
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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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145
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60 input_identifier (class data_in *data_in, class lto_input_block *ib)
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111
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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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145
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76 streamer_read_chain (class lto_input_block *ib, class data_in *data_in)
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111
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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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145
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161 else if (TREE_CODE (expr) == CALL_EXPR)
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162 {
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163 CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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164 bp_unpack_value (bp, 8);
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165 }
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111
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166 else
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167 bp_unpack_value (bp, 9);
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168 }
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169
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170
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171 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
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172 expression EXPR from bitpack BP. */
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173
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174 static void
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175 unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
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176 {
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177 int i;
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178 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
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179 TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
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180 }
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181
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182
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183 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
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184 expression EXPR from bitpack BP. */
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185
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186 static void
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187 unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
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188 {
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189 unsigned i;
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190 REAL_VALUE_TYPE r;
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191 REAL_VALUE_TYPE *rp;
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192
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193 /* Clear all bits of the real value type so that we can later do
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194 bitwise comparisons to see if two values are the same. */
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195 memset (&r, 0, sizeof r);
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196 r.cl = (unsigned) bp_unpack_value (bp, 2);
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197 r.decimal = (unsigned) bp_unpack_value (bp, 1);
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198 r.sign = (unsigned) bp_unpack_value (bp, 1);
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199 r.signalling = (unsigned) bp_unpack_value (bp, 1);
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200 r.canonical = (unsigned) bp_unpack_value (bp, 1);
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201 r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
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202 for (i = 0; i < SIGSZ; i++)
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203 r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
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204
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205 rp = ggc_alloc<real_value> ();
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206 memcpy (rp, &r, sizeof (REAL_VALUE_TYPE));
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207 TREE_REAL_CST_PTR (expr) = rp;
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208 }
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209
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210
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211 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
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212 expression EXPR from bitpack BP. */
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213
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214 static void
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215 unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
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216 {
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217 FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
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218 fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp));
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219 fp->data.low = bp_unpack_var_len_int (bp);
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220 fp->data.high = bp_unpack_var_len_int (bp);
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221 TREE_FIXED_CST_PTR (expr) = fp;
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222 }
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223
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224 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
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225 of expression EXPR from bitpack BP. */
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226
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227 static void
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228 unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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229 {
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230 SET_DECL_MODE (expr, bp_unpack_machine_mode (bp));
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231 DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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232 DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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233 DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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234 DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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235 DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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236 DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
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237 DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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238 DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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239 DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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240 SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp));
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241 #ifdef ACCEL_COMPILER
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242 if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
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243 SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment);
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244 #endif
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245 if (TREE_CODE (expr) == LABEL_DECL)
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246 {
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247 EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
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248
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249 /* Always assume an initial value of -1 for LABEL_DECL_UID to
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250 force gimple_set_bb to recreate label_to_block_map. */
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251 LABEL_DECL_UID (expr) = -1;
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252 }
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253
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145
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254 else if (TREE_CODE (expr) == FIELD_DECL)
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111
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255 {
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256 DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
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257 DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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131
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258 DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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111
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259 expr->decl_common.off_align = bp_unpack_value (bp, 8);
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260 }
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261
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145
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262 else if (VAR_P (expr))
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111
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263 {
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264 DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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265 DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
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266 }
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267
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145
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268 else if (TREE_CODE (expr) == PARM_DECL)
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269 DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, 1);
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270
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111
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271 if (TREE_CODE (expr) == RESULT_DECL
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272 || TREE_CODE (expr) == PARM_DECL
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273 || VAR_P (expr))
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274 {
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275 DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
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276 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
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277 DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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278 }
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279 }
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280
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281
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282 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
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283 of expression EXPR from bitpack BP. */
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284
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285 static void
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286 unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
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287 {
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288 DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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289 }
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290
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291
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292 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
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293 of expression EXPR from bitpack BP. */
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294
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295 static void
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296 unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
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297 {
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298 DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
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299 DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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300 DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
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301 DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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302 DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
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303 DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
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304 DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
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305
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306 if (VAR_P (expr))
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307 {
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308 DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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309 DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
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310 }
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311
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312 if (TREE_CODE (expr) == FUNCTION_DECL)
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313 {
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314 DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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315 DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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316 DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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317 }
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318 }
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319
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320
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321 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
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322 of expression EXPR from bitpack BP. */
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323
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324 static void
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325 unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
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326 {
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145
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327 built_in_class cl = bp_unpack_enum (bp, built_in_class, BUILT_IN_LAST);
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111
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328 DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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329 DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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330 DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
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331 DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
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332 DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
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333 DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
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334 DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
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145
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335 DECL_SET_IS_OPERATOR_NEW (expr, (unsigned) bp_unpack_value (bp, 1));
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336 DECL_SET_IS_OPERATOR_DELETE (expr, (unsigned) bp_unpack_value (bp, 1));
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111
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337 DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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338 DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
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339 DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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340 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
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341 = (unsigned) bp_unpack_value (bp, 1);
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342 DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
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343 DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
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344 DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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345 DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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145
|
346 unsigned int fcode = 0;
|
|
|
347 if (cl != NOT_BUILT_IN)
|
|
111
|
348 {
|
|
145
|
349 fcode = bp_unpack_value (bp, 32);
|
|
|
350 if (cl == BUILT_IN_NORMAL && fcode >= END_BUILTINS)
|
|
111
|
351 fatal_error (input_location,
|
|
|
352 "machine independent builtin code out of range");
|
|
145
|
353 else if (cl == BUILT_IN_MD)
|
|
111
|
354 {
|
|
145
|
355 tree result = targetm.builtin_decl (fcode, true);
|
|
111
|
356 if (!result || result == error_mark_node)
|
|
|
357 fatal_error (input_location,
|
|
|
358 "target specific builtin not available");
|
|
|
359 }
|
|
|
360 }
|
|
145
|
361 set_decl_built_in_function (expr, cl, fcode);
|
|
111
|
362 }
|
|
|
363
|
|
|
364
|
|
|
365 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
|
|
|
366 of expression EXPR from bitpack BP. */
|
|
|
367
|
|
|
368 static void
|
|
|
369 unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
|
|
|
370 {
|
|
|
371 machine_mode mode;
|
|
|
372
|
|
|
373 mode = bp_unpack_machine_mode (bp);
|
|
|
374 SET_TYPE_MODE (expr, mode);
|
|
|
375 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
|
|
|
376 no streaming. */
|
|
|
377 TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
|
378 TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
|
379 TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
|
380 TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
145
|
381 TYPE_LANG_FLAG_0 (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
111
|
382 if (RECORD_OR_UNION_TYPE_P (expr))
|
|
|
383 {
|
|
|
384 TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
|
385 TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
145
|
386 TYPE_CXX_ODR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
111
|
387 }
|
|
|
388 else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
|
389 TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
145
|
390 if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
|
|
|
391 TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
111
|
392 if (AGGREGATE_TYPE_P (expr))
|
|
|
393 TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
131
|
394 TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1);
|
|
111
|
395 TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
|
|
|
396 SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp));
|
|
|
397 #ifdef ACCEL_COMPILER
|
|
|
398 if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
|
|
|
399 SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment);
|
|
|
400 #endif
|
|
|
401 }
|
|
|
402
|
|
|
403
|
|
|
404 /* Unpack all the non-pointer fields of the TS_BLOCK structure
|
|
|
405 of expression EXPR from bitpack BP. */
|
|
|
406
|
|
|
407 static void
|
|
145
|
408 unpack_ts_block_value_fields (class data_in *data_in,
|
|
111
|
409 struct bitpack_d *bp, tree expr)
|
|
|
410 {
|
|
|
411 /* BLOCK_NUMBER is recomputed. */
|
|
|
412 stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
|
|
|
413 }
|
|
|
414
|
|
|
415 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
|
|
|
416 structure of expression EXPR from bitpack BP. */
|
|
|
417
|
|
|
418 static void
|
|
145
|
419 unpack_ts_translation_unit_decl_value_fields (class data_in *data_in,
|
|
111
|
420 struct bitpack_d *bp, tree expr)
|
|
|
421 {
|
|
|
422 TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
|
|
|
423 vec_safe_push (all_translation_units, expr);
|
|
|
424 }
|
|
|
425
|
|
|
426
|
|
|
427 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
|
|
|
428 structure of expression EXPR from bitpack BP. */
|
|
|
429
|
|
|
430 static void
|
|
145
|
431 unpack_ts_omp_clause_value_fields (class data_in *data_in,
|
|
111
|
432 struct bitpack_d *bp, tree expr)
|
|
|
433 {
|
|
|
434 stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
|
|
|
435 switch (OMP_CLAUSE_CODE (expr))
|
|
|
436 {
|
|
|
437 case OMP_CLAUSE_DEFAULT:
|
|
|
438 OMP_CLAUSE_DEFAULT_KIND (expr)
|
|
|
439 = bp_unpack_enum (bp, omp_clause_default_kind,
|
|
|
440 OMP_CLAUSE_DEFAULT_LAST);
|
|
|
441 break;
|
|
|
442 case OMP_CLAUSE_SCHEDULE:
|
|
|
443 OMP_CLAUSE_SCHEDULE_KIND (expr)
|
|
|
444 = bp_unpack_enum (bp, omp_clause_schedule_kind,
|
|
|
445 OMP_CLAUSE_SCHEDULE_LAST);
|
|
|
446 break;
|
|
|
447 case OMP_CLAUSE_DEPEND:
|
|
|
448 OMP_CLAUSE_DEPEND_KIND (expr)
|
|
|
449 = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
|
|
|
450 break;
|
|
|
451 case OMP_CLAUSE_MAP:
|
|
|
452 OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
|
|
|
453 GOMP_MAP_LAST));
|
|
|
454 break;
|
|
|
455 case OMP_CLAUSE_PROC_BIND:
|
|
|
456 OMP_CLAUSE_PROC_BIND_KIND (expr)
|
|
|
457 = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
|
|
|
458 OMP_CLAUSE_PROC_BIND_LAST);
|
|
|
459 break;
|
|
|
460 case OMP_CLAUSE_REDUCTION:
|
|
145
|
461 case OMP_CLAUSE_TASK_REDUCTION:
|
|
|
462 case OMP_CLAUSE_IN_REDUCTION:
|
|
111
|
463 OMP_CLAUSE_REDUCTION_CODE (expr)
|
|
|
464 = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
|
|
|
465 break;
|
|
|
466 default:
|
|
|
467 break;
|
|
|
468 }
|
|
|
469 }
|
|
|
470
|
|
|
471
|
|
|
472 /* Read all the language-independent bitfield values for EXPR from IB.
|
|
|
473 Return the partially unpacked bitpack so the caller can unpack any other
|
|
|
474 bitfield values that the writer may have written. */
|
|
|
475
|
|
|
476 void
|
|
145
|
477 streamer_read_tree_bitfields (class lto_input_block *ib,
|
|
|
478 class data_in *data_in, tree expr)
|
|
111
|
479 {
|
|
|
480 enum tree_code code;
|
|
|
481 struct bitpack_d bp;
|
|
|
482
|
|
|
483 /* Read the bitpack of non-pointer values from IB. */
|
|
|
484 bp = streamer_read_bitpack (ib);
|
|
|
485
|
|
|
486 /* The first word in BP contains the code of the tree that we
|
|
|
487 are about to read. */
|
|
|
488 code = (enum tree_code) bp_unpack_value (&bp, 16);
|
|
|
489 lto_tag_check (lto_tree_code_to_tag (code),
|
|
|
490 lto_tree_code_to_tag (TREE_CODE (expr)));
|
|
|
491
|
|
|
492 /* Note that all these functions are highly sensitive to changes in
|
|
|
493 the types and sizes of each of the fields being packed. */
|
|
|
494 unpack_ts_base_value_fields (&bp, expr);
|
|
|
495
|
|
|
496 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
|
497 unpack_ts_int_cst_value_fields (&bp, expr);
|
|
|
498
|
|
|
499 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
|
|
500 unpack_ts_real_cst_value_fields (&bp, expr);
|
|
|
501
|
|
|
502 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
|
|
503 unpack_ts_fixed_cst_value_fields (&bp, expr);
|
|
|
504
|
|
|
505 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
|
506 stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
|
|
|
507
|
|
|
508 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
|
509 unpack_ts_decl_common_value_fields (&bp, expr);
|
|
|
510
|
|
|
511 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
|
|
512 unpack_ts_decl_wrtl_value_fields (&bp, expr);
|
|
|
513
|
|
|
514 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
|
515 unpack_ts_decl_with_vis_value_fields (&bp, expr);
|
|
|
516
|
|
|
517 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
|
518 unpack_ts_function_decl_value_fields (&bp, expr);
|
|
|
519
|
|
|
520 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
|
521 unpack_ts_type_common_value_fields (&bp, expr);
|
|
|
522
|
|
|
523 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
|
524 {
|
|
|
525 stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
|
|
|
526 if (code == MEM_REF
|
|
|
527 || code == TARGET_MEM_REF)
|
|
|
528 {
|
|
|
529 MR_DEPENDENCE_CLIQUE (expr)
|
|
|
530 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
|
|
|
531 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
|
|
|
532 MR_DEPENDENCE_BASE (expr)
|
|
|
533 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
|
|
|
534 }
|
|
145
|
535 else if (code == CALL_EXPR)
|
|
|
536 CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST);
|
|
111
|
537 }
|
|
|
538
|
|
|
539 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
|
540 unpack_ts_block_value_fields (data_in, &bp, expr);
|
|
|
541
|
|
|
542 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
|
|
543 unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
|
|
|
544
|
|
|
545 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
|
131
|
546 cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr));
|
|
111
|
547
|
|
|
548 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
|
549 {
|
|
|
550 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
|
|
|
551 if (length > 0)
|
|
|
552 vec_safe_grow (CONSTRUCTOR_ELTS (expr), length);
|
|
|
553 }
|
|
|
554
|
|
|
555 #ifndef ACCEL_COMPILER
|
|
|
556 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
|
|
|
557 {
|
|
|
558 cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
|
|
|
559 if (targetm.target_option.post_stream_in)
|
|
|
560 targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
|
|
|
561 }
|
|
|
562 #endif
|
|
|
563
|
|
|
564 if (code == OMP_CLAUSE)
|
|
|
565 unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
|
|
|
566 }
|
|
|
567
|
|
|
568
|
|
|
569 /* Materialize a new tree from input block IB using descriptors in
|
|
|
570 DATA_IN. The code for the new tree should match TAG. Store in
|
|
|
571 *IX_P the index into the reader cache where the new tree is stored. */
|
|
|
572
|
|
|
573 tree
|
|
145
|
574 streamer_alloc_tree (class lto_input_block *ib, class data_in *data_in,
|
|
111
|
575 enum LTO_tags tag)
|
|
|
576 {
|
|
|
577 enum tree_code code;
|
|
|
578 tree result;
|
|
|
579
|
|
|
580 result = NULL_TREE;
|
|
|
581
|
|
|
582 code = lto_tag_to_tree_code (tag);
|
|
|
583
|
|
|
584 /* We should never see an SSA_NAME tree. Only the version numbers of
|
|
|
585 SSA names are ever written out. See input_ssa_names. */
|
|
|
586 gcc_assert (code != SSA_NAME);
|
|
|
587
|
|
|
588 /* Instantiate a new tree using the header data. */
|
|
|
589 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
|
|
590 result = streamer_read_string_cst (data_in, ib);
|
|
|
591 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
|
|
592 result = input_identifier (data_in, ib);
|
|
|
593 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
|
594 {
|
|
|
595 HOST_WIDE_INT len = streamer_read_hwi (ib);
|
|
|
596 result = make_tree_vec (len);
|
|
|
597 }
|
|
|
598 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
|
599 {
|
|
131
|
600 bitpack_d bp = streamer_read_bitpack (ib);
|
|
|
601 unsigned int log2_npatterns = bp_unpack_value (&bp, 8);
|
|
|
602 unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8);
|
|
|
603 result = make_vector (log2_npatterns, nelts_per_pattern);
|
|
111
|
604 }
|
|
|
605 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
|
606 {
|
|
|
607 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
|
|
|
608 result = make_tree_binfo (len);
|
|
|
609 }
|
|
|
610 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
|
611 {
|
|
|
612 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
|
|
|
613 unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
|
|
|
614 result = make_int_cst (len, ext_len);
|
|
|
615 }
|
|
|
616 else if (code == CALL_EXPR)
|
|
|
617 {
|
|
|
618 unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
|
|
|
619 return build_vl_exp (CALL_EXPR, nargs + 3);
|
|
|
620 }
|
|
|
621 else if (code == OMP_CLAUSE)
|
|
|
622 {
|
|
|
623 enum omp_clause_code subcode
|
|
|
624 = (enum omp_clause_code) streamer_read_uhwi (ib);
|
|
|
625 return build_omp_clause (UNKNOWN_LOCATION, subcode);
|
|
|
626 }
|
|
|
627 else
|
|
|
628 {
|
|
|
629 /* For all other nodes, materialize the tree with a raw
|
|
|
630 make_node call. */
|
|
|
631 result = make_node (code);
|
|
|
632 }
|
|
|
633
|
|
|
634 return result;
|
|
|
635 }
|
|
|
636
|
|
|
637
|
|
|
638 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
|
|
|
639 block IB. DATA_IN contains tables and descriptors for the
|
|
|
640 file being read. */
|
|
|
641
|
|
|
642
|
|
|
643 static void
|
|
145
|
644 lto_input_ts_common_tree_pointers (class lto_input_block *ib,
|
|
|
645 class data_in *data_in, tree expr)
|
|
111
|
646 {
|
|
|
647 if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
|
|
648 TREE_TYPE (expr) = stream_read_tree (ib, data_in);
|
|
|
649 }
|
|
|
650
|
|
|
651
|
|
|
652 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
|
|
|
653 block IB. DATA_IN contains tables and descriptors for the
|
|
|
654 file being read. */
|
|
|
655
|
|
|
656 static void
|
|
145
|
657 lto_input_ts_vector_tree_pointers (class lto_input_block *ib,
|
|
|
658 class data_in *data_in, tree expr)
|
|
111
|
659 {
|
|
131
|
660 unsigned int count = vector_cst_encoded_nelts (expr);
|
|
|
661 for (unsigned int i = 0; i < count; ++i)
|
|
|
662 VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree (ib, data_in);
|
|
|
663 }
|
|
|
664
|
|
|
665
|
|
|
666 /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
|
|
|
667 input block IB. DATA_IN contains tables and descriptors for the
|
|
|
668 file being read. */
|
|
|
669
|
|
|
670 static void
|
|
145
|
671 lto_input_ts_poly_tree_pointers (class lto_input_block *ib,
|
|
|
672 class data_in *data_in, tree expr)
|
|
131
|
673 {
|
|
|
674 for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
|
|
|
675 POLY_INT_CST_COEFF (expr, i) = stream_read_tree (ib, data_in);
|
|
111
|
676 }
|
|
|
677
|
|
|
678
|
|
|
679 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
|
|
|
680 block IB. DATA_IN contains tables and descriptors for the
|
|
|
681 file being read. */
|
|
|
682
|
|
|
683 static void
|
|
145
|
684 lto_input_ts_complex_tree_pointers (class lto_input_block *ib,
|
|
|
685 class data_in *data_in, tree expr)
|
|
111
|
686 {
|
|
|
687 TREE_REALPART (expr) = stream_read_tree (ib, data_in);
|
|
|
688 TREE_IMAGPART (expr) = stream_read_tree (ib, data_in);
|
|
|
689 }
|
|
|
690
|
|
|
691
|
|
|
692 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
|
|
693 from input block IB. DATA_IN contains tables and descriptors for the
|
|
|
694 file being read. */
|
|
|
695
|
|
|
696 static void
|
|
145
|
697 lto_input_ts_decl_minimal_tree_pointers (class lto_input_block *ib,
|
|
|
698 class data_in *data_in, tree expr)
|
|
111
|
699 {
|
|
|
700 DECL_NAME (expr) = stream_read_tree (ib, data_in);
|
|
|
701 DECL_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
|
702 }
|
|
|
703
|
|
|
704
|
|
|
705 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
|
|
|
706 input block IB. DATA_IN contains tables and descriptors for the
|
|
|
707 file being read. */
|
|
|
708
|
|
|
709 static void
|
|
145
|
710 lto_input_ts_decl_common_tree_pointers (class lto_input_block *ib,
|
|
|
711 class data_in *data_in, tree expr)
|
|
111
|
712 {
|
|
|
713 DECL_SIZE (expr) = stream_read_tree (ib, data_in);
|
|
|
714 DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
|
|
715 DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
|
|
716 DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
|
|
|
717
|
|
|
718 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
|
|
|
719 && DECL_HAS_VALUE_EXPR_P (expr))
|
|
|
720 SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
|
|
|
721
|
|
131
|
722 if (VAR_P (expr)
|
|
|
723 && DECL_HAS_DEBUG_EXPR_P (expr))
|
|
111
|
724 {
|
|
|
725 tree dexpr = stream_read_tree (ib, data_in);
|
|
|
726 if (dexpr)
|
|
|
727 SET_DECL_DEBUG_EXPR (expr, dexpr);
|
|
|
728 }
|
|
|
729 }
|
|
|
730
|
|
|
731
|
|
|
732 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
|
|
|
733 EXPR from input block IB. DATA_IN contains tables and descriptors for the
|
|
|
734 file being read. */
|
|
|
735
|
|
|
736 static void
|
|
145
|
737 lto_input_ts_decl_non_common_tree_pointers (class lto_input_block *,
|
|
|
738 class data_in *, tree)
|
|
111
|
739 {
|
|
|
740 }
|
|
|
741
|
|
|
742
|
|
|
743 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
|
|
744 from input block IB. DATA_IN contains tables and descriptors for the
|
|
|
745 file being read. */
|
|
|
746
|
|
|
747 static void
|
|
145
|
748 lto_input_ts_decl_with_vis_tree_pointers (class lto_input_block *ib,
|
|
|
749 class data_in *data_in, tree expr)
|
|
111
|
750 {
|
|
|
751 tree id;
|
|
|
752
|
|
|
753 id = stream_read_tree (ib, data_in);
|
|
|
754 if (id)
|
|
|
755 {
|
|
|
756 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
|
|
|
757 SET_DECL_ASSEMBLER_NAME (expr, id);
|
|
|
758 }
|
|
|
759 }
|
|
|
760
|
|
|
761
|
|
|
762 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
|
|
|
763 input block IB. DATA_IN contains tables and descriptors for the
|
|
|
764 file being read. */
|
|
|
765
|
|
|
766 static void
|
|
145
|
767 lto_input_ts_field_decl_tree_pointers (class lto_input_block *ib,
|
|
|
768 class data_in *data_in, tree expr)
|
|
111
|
769 {
|
|
|
770 DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
|
771 DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in);
|
|
|
772 DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in);
|
|
|
773 DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
|
774 }
|
|
|
775
|
|
|
776
|
|
|
777 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
|
|
778 from input block IB. DATA_IN contains tables and descriptors for the
|
|
|
779 file being read. */
|
|
|
780
|
|
|
781 static void
|
|
145
|
782 lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib,
|
|
|
783 class data_in *data_in, tree expr)
|
|
111
|
784 {
|
|
|
785 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
|
|
|
786 DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
|
|
|
787 #ifndef ACCEL_COMPILER
|
|
|
788 DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
|
|
|
789 #endif
|
|
|
790 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
|
|
|
791 #ifdef ACCEL_COMPILER
|
|
|
792 {
|
|
|
793 tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr);
|
|
|
794 if (opts)
|
|
|
795 {
|
|
|
796 struct gcc_options tmp;
|
|
|
797 init_options_struct (&tmp, NULL);
|
|
|
798 cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts));
|
|
|
799 finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION);
|
|
|
800 opts = build_optimization_node (&tmp);
|
|
|
801 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts;
|
|
|
802 }
|
|
|
803 }
|
|
|
804 #endif
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
|
|
|
809 input block IB. DATA_IN contains tables and descriptors for the file
|
|
|
810 being read. */
|
|
|
811
|
|
|
812 static void
|
|
145
|
813 lto_input_ts_type_common_tree_pointers (class lto_input_block *ib,
|
|
|
814 class data_in *data_in, tree expr)
|
|
111
|
815 {
|
|
|
816 TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
|
|
|
817 TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
|
|
818 TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
|
|
819 TYPE_NAME (expr) = stream_read_tree (ib, data_in);
|
|
|
820 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
|
|
821 reconstructed during fixup. */
|
|
|
822 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
|
|
823 during fixup. */
|
|
|
824 TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
|
|
|
825 TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
|
826 /* TYPE_CANONICAL gets re-computed during type merging. */
|
|
|
827 TYPE_CANONICAL (expr) = NULL_TREE;
|
|
|
828 }
|
|
|
829
|
|
|
830 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
|
|
831 from input block IB. DATA_IN contains tables and descriptors for the
|
|
|
832 file being read. */
|
|
|
833
|
|
|
834 static void
|
|
145
|
835 lto_input_ts_type_non_common_tree_pointers (class lto_input_block *ib,
|
|
|
836 class data_in *data_in,
|
|
111
|
837 tree expr)
|
|
|
838 {
|
|
|
839 if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
|
|
840 TYPE_VALUES (expr) = stream_read_tree (ib, data_in);
|
|
|
841 else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
|
842 TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in);
|
|
|
843 else if (RECORD_OR_UNION_TYPE_P (expr))
|
|
|
844 TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
|
|
|
845 else if (TREE_CODE (expr) == FUNCTION_TYPE
|
|
|
846 || TREE_CODE (expr) == METHOD_TYPE)
|
|
|
847 TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in);
|
|
|
848
|
|
|
849 if (!POINTER_TYPE_P (expr))
|
|
|
850 TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
|
|
|
851 TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
|
|
|
852 }
|
|
|
853
|
|
|
854
|
|
|
855 /* Read all pointer fields in the TS_LIST structure of EXPR from input
|
|
|
856 block IB. DATA_IN contains tables and descriptors for the
|
|
|
857 file being read. */
|
|
|
858
|
|
|
859 static void
|
|
145
|
860 lto_input_ts_list_tree_pointers (class lto_input_block *ib,
|
|
|
861 class data_in *data_in, tree expr)
|
|
111
|
862 {
|
|
|
863 TREE_PURPOSE (expr) = stream_read_tree (ib, data_in);
|
|
|
864 TREE_VALUE (expr) = stream_read_tree (ib, data_in);
|
|
|
865 TREE_CHAIN (expr) = stream_read_tree (ib, data_in);
|
|
|
866 }
|
|
|
867
|
|
|
868
|
|
|
869 /* Read all pointer fields in the TS_VEC structure of EXPR from input
|
|
|
870 block IB. DATA_IN contains tables and descriptors for the
|
|
|
871 file being read. */
|
|
|
872
|
|
|
873 static void
|
|
145
|
874 lto_input_ts_vec_tree_pointers (class lto_input_block *ib,
|
|
|
875 class data_in *data_in, tree expr)
|
|
111
|
876 {
|
|
|
877 int i;
|
|
|
878
|
|
|
879 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
|
|
|
880 instantiate EXPR. */
|
|
|
881 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
|
|
882 TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in);
|
|
|
883 }
|
|
|
884
|
|
|
885
|
|
|
886 /* Read all pointer fields in the TS_EXP structure of EXPR from input
|
|
|
887 block IB. DATA_IN contains tables and descriptors for the
|
|
|
888 file being read. */
|
|
|
889
|
|
|
890
|
|
|
891 static void
|
|
145
|
892 lto_input_ts_exp_tree_pointers (class lto_input_block *ib,
|
|
|
893 class data_in *data_in, tree expr)
|
|
111
|
894 {
|
|
|
895 int i;
|
|
|
896 tree block;
|
|
|
897
|
|
|
898 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
|
|
|
899 TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
|
|
|
900
|
|
|
901 block = stream_read_tree (ib, data_in);
|
|
|
902
|
|
|
903 /* TODO: Block is stored in the locus information. It may make more sense to
|
|
|
904 to make it go via the location cache. */
|
|
|
905 if (block)
|
|
|
906 {
|
|
|
907 data_in->location_cache.apply_location_cache ();
|
|
|
908 TREE_SET_BLOCK (expr, block);
|
|
|
909 }
|
|
|
910 }
|
|
|
911
|
|
|
912
|
|
|
913 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
|
|
|
914 block IB. DATA_IN contains tables and descriptors for the
|
|
|
915 file being read. */
|
|
|
916
|
|
|
917 static void
|
|
145
|
918 lto_input_ts_block_tree_pointers (class lto_input_block *ib,
|
|
|
919 class data_in *data_in, tree expr)
|
|
111
|
920 {
|
|
|
921 BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
|
|
|
922
|
|
|
923 BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in);
|
|
|
924 BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
|
|
145
|
925 /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
|
|
|
926 which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
|
|
|
927 ultimate origin. Fixup here.
|
|
|
928 ??? This should get fixed with moving to DIE references. */
|
|
|
929 if (DECL_P (BLOCK_ORIGIN (expr)))
|
|
|
930 BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr));
|
|
111
|
931 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
|
|
932 for early inlined BLOCKs so drop it on the floor instead of ICEing in
|
|
|
933 dwarf2out.c. */
|
|
|
934
|
|
|
935 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
|
|
|
936 streaming time. */
|
|
|
937
|
|
|
938 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
|
|
|
939 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
|
|
|
940 stream the child relationship explicitly. */
|
|
|
941 if (BLOCK_SUPERCONTEXT (expr)
|
|
|
942 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
|
|
|
943 {
|
|
|
944 BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
|
|
|
945 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
|
|
|
946 }
|
|
|
947
|
|
|
948 /* The global block is rooted at the TU decl. Hook it here to
|
|
|
949 avoid the need to stream in this block during WPA time. */
|
|
|
950 else if (BLOCK_SUPERCONTEXT (expr)
|
|
|
951 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
|
|
|
952 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
|
|
|
953
|
|
|
954 /* The function-level block is connected at the time we read in
|
|
|
955 function bodies for the same reason. */
|
|
|
956 }
|
|
|
957
|
|
|
958
|
|
|
959 /* Read all pointer fields in the TS_BINFO structure of EXPR from input
|
|
|
960 block IB. DATA_IN contains tables and descriptors for the
|
|
|
961 file being read. */
|
|
|
962
|
|
|
963 static void
|
|
145
|
964 lto_input_ts_binfo_tree_pointers (class lto_input_block *ib,
|
|
|
965 class data_in *data_in, tree expr)
|
|
111
|
966 {
|
|
|
967 tree t;
|
|
|
968
|
|
|
969 /* Note that the number of slots in EXPR was read in
|
|
|
970 streamer_alloc_tree when instantiating EXPR. However, the
|
|
|
971 vector is empty so we cannot rely on vec::length to know how many
|
|
|
972 elements to read. So, this list is emitted as a 0-terminated
|
|
|
973 list on the writer side. */
|
|
|
974 do
|
|
|
975 {
|
|
|
976 t = stream_read_tree (ib, data_in);
|
|
|
977 if (t)
|
|
|
978 BINFO_BASE_BINFOS (expr)->quick_push (t);
|
|
|
979 }
|
|
|
980 while (t);
|
|
|
981
|
|
|
982 BINFO_OFFSET (expr) = stream_read_tree (ib, data_in);
|
|
|
983 BINFO_VTABLE (expr) = stream_read_tree (ib, data_in);
|
|
|
984
|
|
131
|
985 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
|
|
|
986 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
|
|
|
987 only. */
|
|
111
|
988 }
|
|
|
989
|
|
|
990
|
|
|
991 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
|
|
|
992 input block IB. DATA_IN contains tables and descriptors for the
|
|
|
993 file being read. */
|
|
|
994
|
|
|
995 static void
|
|
145
|
996 lto_input_ts_constructor_tree_pointers (class lto_input_block *ib,
|
|
|
997 class data_in *data_in, tree expr)
|
|
111
|
998 {
|
|
|
999 unsigned i;
|
|
|
1000
|
|
|
1001 for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
|
|
|
1002 {
|
|
|
1003 constructor_elt e;
|
|
|
1004 e.index = stream_read_tree (ib, data_in);
|
|
|
1005 e.value = stream_read_tree (ib, data_in);
|
|
|
1006 (*CONSTRUCTOR_ELTS (expr))[i] = e;
|
|
|
1007 }
|
|
|
1008 }
|
|
|
1009
|
|
|
1010
|
|
|
1011 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
|
|
|
1012 input block IB. DATA_IN contains tables and descriptors for the
|
|
|
1013 file being read. */
|
|
|
1014
|
|
|
1015 static void
|
|
145
|
1016 lto_input_ts_omp_clause_tree_pointers (class lto_input_block *ib,
|
|
|
1017 class data_in *data_in, tree expr)
|
|
111
|
1018 {
|
|
|
1019 int i;
|
|
|
1020
|
|
|
1021 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
|
|
|
1022 OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
|
|
|
1023 OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in);
|
|
|
1024 }
|
|
|
1025
|
|
|
1026
|
|
|
1027 /* Read all pointer fields in EXPR from input block IB. DATA_IN
|
|
|
1028 contains tables and descriptors for the file being read. */
|
|
|
1029
|
|
|
1030 void
|
|
145
|
1031 streamer_read_tree_body (class lto_input_block *ib, class data_in *data_in,
|
|
111
|
1032 tree expr)
|
|
|
1033 {
|
|
|
1034 enum tree_code code;
|
|
|
1035
|
|
|
1036 code = TREE_CODE (expr);
|
|
|
1037
|
|
|
1038 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
|
|
1039 lto_input_ts_common_tree_pointers (ib, data_in, expr);
|
|
|
1040
|
|
|
1041 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
|
1042 lto_input_ts_vector_tree_pointers (ib, data_in, expr);
|
|
|
1043
|
|
131
|
1044 if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
|
|
|
1045 lto_input_ts_poly_tree_pointers (ib, data_in, expr);
|
|
|
1046
|
|
111
|
1047 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
|
|
1048 lto_input_ts_complex_tree_pointers (ib, data_in, expr);
|
|
|
1049
|
|
|
1050 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
|
1051 lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
|
|
|
1052
|
|
|
1053 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
|
1054 lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
|
|
|
1055
|
|
|
1056 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
|
|
1057 lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
|
|
|
1058
|
|
|
1059 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
|
1060 lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
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|
|
1061
|
|
|
1062 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
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|
|
1063 lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
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|
|
1064
|
|
|
1065 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
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|
|
1066 lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
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|
|
1067
|
|
|
1068 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
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|
|
1069 lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
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|
|
1070
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|
|
1071 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
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|
|
1072 lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
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|
|
1073
|
|
|
1074 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
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|
|
1075 lto_input_ts_list_tree_pointers (ib, data_in, expr);
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|
|
1076
|
|
|
1077 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
|
1078 lto_input_ts_vec_tree_pointers (ib, data_in, expr);
|
|
|
1079
|
|
|
1080 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
|
1081 lto_input_ts_exp_tree_pointers (ib, data_in, expr);
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|
|
1082
|
|
|
1083 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
|
1084 lto_input_ts_block_tree_pointers (ib, data_in, expr);
|
|
|
1085
|
|
|
1086 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
|
1087 lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
|
|
|
1088
|
|
|
1089 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
|
1090 lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
|
|
|
1091
|
|
|
1092 if (code == OMP_CLAUSE)
|
|
|
1093 lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
|
|
|
1094 }
|
|
|
1095
|
|
|
1096
|
|
|
1097 /* Read an index IX from input block IB and return the tree node at
|
|
|
1098 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
|
|
|
1099
|
|
|
1100 tree
|
|
145
|
1101 streamer_get_pickled_tree (class lto_input_block *ib, class data_in *data_in)
|
|
111
|
1102 {
|
|
|
1103 unsigned HOST_WIDE_INT ix;
|
|
|
1104 tree result;
|
|
|
1105 enum LTO_tags expected_tag;
|
|
|
1106
|
|
|
1107 ix = streamer_read_uhwi (ib);
|
|
|
1108 expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
|
|
|
1109
|
|
|
1110 result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
|
|
|
1111 gcc_assert (result
|
|
|
1112 && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
|
|
|
1113
|
|
|
1114 return result;
|
|
|
1115 }
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