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annotate libinterp/corefcn/pt-jit.h @ 18701:67445219aee2 draft

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-Werror at JIT related files
author LYH <lyh.kernel@gmail.com>
date Fri, 21 Mar 2014 14:59:39 -0400
parents 97e49b588f5d
children
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18701
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LYH <lyh.kernel@gmail.com>
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1 #pragma GCC diagnostic push
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2 #pragma GCC diagnostic error "-Werror"
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3 /*
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4
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5 Copyright (C) 2012-2013 Max Brister
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 // Author: Max Brister <max@2bass.com>
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26
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27 #if !defined (octave_pt_jit_h)
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28 #define octave_pt_jit_h 1
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29
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30 #ifdef HAVE_LLVM
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31
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32 #include "jit-ir.h"
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33 #include "pt-walk.h"
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34 #include "symtab.h"
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35
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36 class octave_value_list;
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37
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38 // Convert from the parse tree (AST) to the low level Octave IR.
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39 class
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40 jit_convert : public tree_walker
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41 {
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42 public:
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43 typedef std::pair<jit_type *, std::string> type_bound;
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44 typedef std::vector<type_bound> type_bound_vector;
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45 typedef std::map<std::string, jit_variable *> variable_map;
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46
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47 jit_convert (tree &tee, jit_type *for_bounds = 0);
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48
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49 jit_convert (octave_user_function& fcn, const std::vector<jit_type *>& args);
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50
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51 #define DECL_ARG(n) const ARG ## n& arg ## n
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52 #define JIT_CREATE_CHECKED(N) \
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53 template <OCT_MAKE_DECL_LIST (typename, ARG, N)> \
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54 jit_call *create_checked (OCT_MAKE_LIST (DECL_ARG, N)) \
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55 { \
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56 jit_call *ret = factory.create<jit_call> (OCT_MAKE_ARG_LIST (arg, N)); \
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57 return create_checked_impl (ret); \
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58 }
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59
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60 JIT_CREATE_CHECKED (1)
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61 JIT_CREATE_CHECKED (2)
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62 JIT_CREATE_CHECKED (3)
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63 JIT_CREATE_CHECKED (4)
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64
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65 #undef JIT_CREATE_CHECKED
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66 #undef DECL_ARG
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67
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68 jit_block_list& get_blocks (void) { return blocks; }
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69
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70 const type_bound_vector& get_bounds (void) const { return bounds; }
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71
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72 jit_factory& get_factory (void) { return factory; }
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73
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74 llvm::Function *get_function (void) const { return function; }
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75
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76 const variable_map &get_variable_map (void) const { return vmap; }
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77
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78 void visit_anon_fcn_handle (tree_anon_fcn_handle&);
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79
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80 void visit_argument_list (tree_argument_list&);
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81
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82 void visit_binary_expression (tree_binary_expression&);
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83
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84 void visit_break_command (tree_break_command&);
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85
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86 void visit_colon_expression (tree_colon_expression&);
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87
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88 void visit_continue_command (tree_continue_command&);
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89
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90 void visit_global_command (tree_global_command&);
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91
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92 void visit_persistent_command (tree_persistent_command&);
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93
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94 void visit_decl_elt (tree_decl_elt&);
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95
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96 void visit_decl_init_list (tree_decl_init_list&);
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97
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98 void visit_simple_for_command (tree_simple_for_command&);
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99
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100 void visit_complex_for_command (tree_complex_for_command&);
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101
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102 void visit_octave_user_script (octave_user_script&);
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103
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104 void visit_octave_user_function (octave_user_function&);
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105
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106 void visit_octave_user_function_header (octave_user_function&);
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107
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108 void visit_octave_user_function_trailer (octave_user_function&);
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109
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110 void visit_function_def (tree_function_def&);
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111
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112 void visit_identifier (tree_identifier&);
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113
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114 void visit_if_clause (tree_if_clause&);
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115
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116 void visit_if_command (tree_if_command&);
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117
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118 void visit_if_command_list (tree_if_command_list&);
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119
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120 void visit_index_expression (tree_index_expression&);
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121
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122 void visit_matrix (tree_matrix&);
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123
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124 void visit_cell (tree_cell&);
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125
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126 void visit_multi_assignment (tree_multi_assignment&);
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127
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128 void visit_no_op_command (tree_no_op_command&);
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129
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130 void visit_constant (tree_constant&);
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131
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132 void visit_fcn_handle (tree_fcn_handle&);
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133
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134 void visit_funcall (tree_funcall&);
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135
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136 void visit_parameter_list (tree_parameter_list&);
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137
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138 void visit_postfix_expression (tree_postfix_expression&);
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139
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140 void visit_prefix_expression (tree_prefix_expression&);
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141
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142 void visit_return_command (tree_return_command&);
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143
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144 void visit_return_list (tree_return_list&);
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145
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146 void visit_simple_assignment (tree_simple_assignment&);
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147
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148 void visit_statement (tree_statement&);
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149
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150 void visit_statement_list (tree_statement_list&);
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151
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152 void visit_switch_case (tree_switch_case&);
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153
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154 void visit_switch_case_list (tree_switch_case_list&);
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155
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156 void visit_switch_command (tree_switch_command&);
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157
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158 void visit_try_catch_command (tree_try_catch_command&);
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159
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160 void visit_unwind_protect_command (tree_unwind_protect_command&);
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161
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162 void visit_while_command (tree_while_command&);
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163
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164 void visit_do_until_command (tree_do_until_command&);
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165 private:
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166 std::vector<std::pair<std::string, bool> > arguments;
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167 type_bound_vector bounds;
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168
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169 bool converting_function;
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170
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171 // the scope of the function we are converting, or the current scope
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172 symbol_table::scope_id scope;
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173
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174 jit_factory factory;
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175
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176 // used instead of return values from visit_* functions
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177 jit_value *result;
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178
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179 jit_block *entry_block;
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180
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181 jit_block *final_block;
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182
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183 jit_block *block;
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184
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185 llvm::Function *function;
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186
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187 jit_block_list blocks;
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188
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189 std::vector<jit_magic_end::context> end_context;
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190
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191 size_t iterator_count;
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192 size_t for_bounds_count;
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193 size_t short_count;
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194
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195 variable_map vmap;
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196
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197 void initialize (symbol_table::scope_id s);
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198
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199 jit_call *create_checked_impl (jit_call *ret);
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200
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201 // get an existing vairable. If the variable does not exist, it will not be
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202 // created
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203 jit_variable *find_variable (const std::string& vname) const;
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204
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205 // get a variable, create it if it does not exist. The type will default to
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206 // the variable's current type in the symbol table.
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207 jit_variable *get_variable (const std::string& vname);
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208
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209 // create a variable of the given name and given type. Will also insert an
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210 // extract statement
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211 jit_variable *create_variable (const std::string& vname, jit_type *type,
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212 bool isarg = true);
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213
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214 // The name of the next for loop iterator. If inc is false, then the iterator
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215 // counter will not be incremented.
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216 std::string next_iterator (bool inc = true)
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217 { return next_name ("#iter", iterator_count, inc); }
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218
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219 std::string next_for_bounds (bool inc = true)
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220 { return next_name ("#for_bounds", for_bounds_count, inc); }
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221
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222 std::string next_shortcircut_result (bool inc = true)
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223 { return next_name ("#shortcircut_result", short_count, inc); }
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224
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225 std::string next_name (const char *prefix, size_t& count, bool inc);
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226
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227 jit_instruction *resolve (tree_index_expression& exp,
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228 jit_value *extra_arg = 0, bool lhs = false);
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229
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230 jit_value *do_assign (tree_expression *exp, jit_value *rhs,
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231 bool artificial = false);
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232
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233 jit_value *do_assign (const std::string& lhs, jit_value *rhs, bool print,
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234 bool artificial = false);
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235
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236 jit_value *visit (tree *tee) { return visit (*tee); }
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237
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238 jit_value *visit (tree& tee);
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239
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240 typedef std::list<jit_block *> block_list;
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241 block_list breaks;
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242 block_list continues;
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243
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244 void finish_breaks (jit_block *dest, const block_list& lst);
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245 };
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246
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247 // Convert from the low level Octave IR to LLVM
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248 class
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249 jit_convert_llvm : public jit_ir_walker
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250 {
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251 public:
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252 llvm::Function *convert_loop (llvm::Module *module,
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253 const jit_block_list& blocks,
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254 const std::list<jit_value *>& constants);
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255
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256 jit_function convert_function (llvm::Module *module,
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257 const jit_block_list& blocks,
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258 const std::list<jit_value *>& constants,
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259 octave_user_function& fcn,
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260 const std::vector<jit_type *>& args);
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261
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262 // arguments to the llvm::Function for loops
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diff changeset
263 const std::vector<std::pair<std::string, bool> >& get_arguments(void) const
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264 { return argument_vec; }
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diff changeset
265
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266 #define JIT_METH(clname) \
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267 virtual void visit (jit_ ## clname&);
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268
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diff changeset
269 JIT_VISIT_IR_CLASSES;
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270
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271 #undef JIT_METH
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272 private:
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273 // name -> argument index (used for compiling functions)
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274 std::map<std::string, int> argument_index;
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275
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diff changeset
276 std::vector<std::pair<std::string, bool> > argument_vec;
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277
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278 // name -> llvm argument (used for compiling loops)
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diff changeset
279 std::map<std::string, llvm::Value *> arguments;
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280
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diff changeset
281 bool converting_function;
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282
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283 // only used if we are converting a function
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diff changeset
284 jit_function creating;
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diff changeset
285
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diff changeset
286 llvm::Function *function;
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diff changeset
287 llvm::BasicBlock *prelude;
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diff changeset
288
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diff changeset
289 void convert (const jit_block_list& blocks,
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diff changeset
290 const std::list<jit_value *>& constants);
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291
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diff changeset
292 void finish_phi (jit_phi *phi);
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293
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294 void visit (jit_value *jvalue)
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295 {
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296 return visit (*jvalue);
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297 }
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298
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299 void visit (jit_value &jvalue)
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300 {
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301 jvalue.accept (*this);
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302 }
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303 };
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304
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305 // type inference and SSA construction on the low level Octave IR
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306 class
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307 jit_infer
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308 {
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309 public:
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310 typedef jit_convert::variable_map variable_map;
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311
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312 jit_infer (jit_factory& afactory, jit_block_list& ablocks,
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313 const variable_map& avmap);
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314
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315 jit_block_list& get_blocks (void) const { return blocks; }
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316
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317 jit_factory& get_factory (void) const { return factory; }
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318
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319 void infer (void);
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320 private:
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321 jit_block_list& blocks;
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322 jit_factory& factory;
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323 const variable_map& vmap;
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324 std::list<jit_instruction *> worklist;
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325
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326 void append_users (jit_value *v);
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327
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328 void append_users_term (jit_terminator *term);
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329
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330 void construct_ssa (void);
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331
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332 void do_construct_ssa (jit_block& block, size_t avisit_count);
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333
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334 jit_block& entry_block (void) { return *blocks.front (); }
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335
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336 jit_block& final_block (void) { return *blocks.back (); }
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337
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338 void place_releases (void);
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339
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340 void push_worklist (jit_instruction *instr);
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341
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342 void remove_dead ();
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343
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344 void release_dead_phi (jit_block& ablock);
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345
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346 void release_temp (jit_block& ablock, std::set<jit_value *>& temp);
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347
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348 void simplify_phi (void);
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349
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350 void simplify_phi (jit_phi& phi);
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351 };
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352
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353 class
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354 tree_jit
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355 {
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356 public:
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357 ~tree_jit (void);
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358
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359 static bool execute (tree_simple_for_command& cmd,
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360 const octave_value& bounds);
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361
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362 static bool execute (tree_while_command& cmd);
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363
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364 static bool execute (octave_user_function& fcn, const octave_value_list& args,
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365 octave_value_list& retval);
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75d1bc2fd6d2 Compile top level while loops in JIT.
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366
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367 llvm::ExecutionEngine *get_engine (void) const { return engine; }
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368
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369 llvm::Module *get_module (void) const { return module; }
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370
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371 void optimize (llvm::Function *fn);
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
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372 private:
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373 tree_jit (void);
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374
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375 static tree_jit& instance (void);
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376
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377 bool initialize (void);
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378
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379 bool do_execute (tree_simple_for_command& cmd, const octave_value& bounds);
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380
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381 bool do_execute (tree_while_command& cmd);
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382
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383 bool do_execute (octave_user_function& fcn, const octave_value_list& args,
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384 octave_value_list& retval);
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385
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386 bool enabled (void);
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387
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388 size_t trip_count (const octave_value& bounds) const;
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389
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390 llvm::Module *module;
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391 llvm::PassManager *module_pass_manager;
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392 llvm::FunctionPassManager *pass_manager;
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393 llvm::ExecutionEngine *engine;
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394 };
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395
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396 class
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397 jit_function_info
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398 {
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399 public:
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400 jit_function_info (tree_jit& tjit, octave_user_function& fcn,
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401 const octave_value_list& ov_args);
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402
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403 bool execute (const octave_value_list& ov_args,
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404 octave_value_list& retval) const;
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405
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406 bool match (const octave_value_list& ov_args) const;
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407 private:
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408 typedef octave_base_value *(*jited_function)(octave_base_value**);
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409
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410 std::vector<jit_type *> argument_types;
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411 jited_function function;
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412 };
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413
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414 class
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415 jit_info
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416 {
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417 public:
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418 // we use a pointer here so we don't have to include ov.h
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419 typedef std::map<std::string, const octave_value *> vmap;
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420
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421 jit_info (tree_jit& tjit, tree& tee);
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422
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423 jit_info (tree_jit& tjit, tree& tee, const octave_value& for_bounds);
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424
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609dcc297db5 src/pt-jit.cc (jit_info::~jit_info): New function
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425 ~jit_info (void);
609dcc297db5 src/pt-jit.cc (jit_info::~jit_info): New function
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426
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427 bool execute (const vmap& extra_vars = vmap ()) const;
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428
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429 bool match (const vmap& extra_vars = vmap ()) const;
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430 private:
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431 typedef jit_convert::type_bound type_bound;
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432 typedef jit_convert::type_bound_vector type_bound_vector;
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433 typedef void (*jited_function)(octave_base_value**);
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434
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435 void compile (tree_jit& tjit, tree& tee, jit_type *for_bounds = 0);
15027
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436
741d2dbcc117 Check trip count before compiling for loops.
Max Brister <max@2bass.com>
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diff changeset
437 octave_value find (const vmap& extra_vars, const std::string& vname) const;
741d2dbcc117 Check trip count before compiling for loops.
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438
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439 llvm::ExecutionEngine *engine;
14917
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440 jited_function function;
14955
609dcc297db5 src/pt-jit.cc (jit_info::~jit_info): New function
Max Brister <max@2bass.com>
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441 llvm::Function *llvm_function;
14917
232d8ab07932 Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents: 14915
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442
232d8ab07932 Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents: 14915
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443 std::vector<std::pair<std::string, bool> > arguments;
232d8ab07932 Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents: 14915
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444 type_bound_vector bounds;
14899
f25d2224fa02 Initial JIT support
Max Brister <max@2bass.com>
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445 };
14937
78e1457c5bf5 Remove some macros from pt-jit.h and pt-jit.cc
Max Brister <max@2bass.com>
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446
14899
f25d2224fa02 Initial JIT support
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447 #endif
14932
1f914446157d Locate and link with LLVM properly
Max Brister <max@2bass.com>
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448 #endif
18701
67445219aee2 -Werror at JIT related files
LYH <lyh.kernel@gmail.com>
parents: 17856
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449
67445219aee2 -Werror at JIT related files
LYH <lyh.kernel@gmail.com>
parents: 17856
diff changeset
450 #pragma GCC diagnostic pop