Mercurial > hg > CbC > CbC_gcc

annotate gcc/lto-wpa-fixup.c @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents
children
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rev   line source
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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1 /* Write and read any fix-up information generated by the WPA mode.
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2
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3 Copyright 2009 Free Software Foundation, Inc.
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4 Contributed by Doug Kwan <dougkwan@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 "tm.h"
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26 #include "toplev.h"
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27 #include "tree.h"
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28 #include "expr.h"
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29 #include "flags.h"
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30 #include "cgraph.h"
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31 #include "function.h"
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32 #include "diagnostic.h"
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33 #include "vec.h"
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34 #include "bitmap.h"
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35 #include "timevar.h"
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36 #include "tree-flow.h"
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37 #include "tree-pass.h"
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38 #include "lto-streamer.h"
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39
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40 /* LTO fix-up.
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41
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42 In WPA mode, LTO cannot access function bodies. Some modifications in
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43 IR require additional updates in function bodies, which are not possible
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44 in WPA mode. So we write out information about these modifications for
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45 LTRANS to fix up the function bodies accordingly. */
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46
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47 /* The vectors records function DECLs having multiple copies with different
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48 exception throwing attributes. We do not mark a DECL if all copies of it
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49 have the same exception throwing attribute. */
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50 static bitmap lto_nothrow_fndecls;
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51
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52 /* We need to fix up GIMPLE bodies due to changes in exception setting.
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53 Consider this example:
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54
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55 a.h:
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56 class a {
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57 public:
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58 a();
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59 ~a();
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60 };
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61
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62 main.cc:
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63 #include "a.h"
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64
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65 int
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66 main (int argc, char **argv)
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67 {
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68 a x;
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69 return 0;
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70 }
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71
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72 a.cc:
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73 #include "a.h"
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74 a::a() {}
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75 a::~a() {}
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76
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77 When main.cc is compiled, gcc only sees the constructor declaration, so
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78 the constructor and hence the call to it are marked as exception throwing.
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79 When a.cc is compiled, the body of the constructor is available and is
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80 obviously not exception throwing. Thus DECL of a::a in a.o has the NOTHROW
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81 attribute. When LTO runs, two DECLs of a::a with different exception
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82 attributes are merged. We want the merged DECL to be not exception
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83 throwing for better generated code. To do that, we need to fix up any
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84 function calls that have been marked as exception throwing. */
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85
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86 /* Fix up all the call statements whose target fndecls might have changed
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87 to NOTHROW. Note that this problem is not WPA specific. We can also
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88 run into this problem in normal LTO with multiple input files. */
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89
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90 void
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91 lto_fixup_nothrow_decls (void)
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92 {
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93 struct cgraph_node *node;
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94 struct cgraph_edge *edge;
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95 struct function *caller_function;
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96 gimple call_stmt;
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97
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98 /* Quit if we are in WPA mode or have not marked any DECLs. */
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99 if (flag_wpa || !lto_nothrow_fndecls)
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100 return;
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101
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102 /* For each node that has been marked, go over all call edges to it. */
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103 for (node = cgraph_nodes; node; node = node->next)
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104 if (bitmap_bit_p (lto_nothrow_fndecls, DECL_UID (node->decl)))
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105 {
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106 gcc_assert (TREE_NOTHROW (node->decl));
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107 for (edge = node->callers; edge; edge = edge->next_caller)
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108 {
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109 caller_function = DECL_STRUCT_FUNCTION (edge->caller->decl);
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110 call_stmt = edge->call_stmt;
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111 gcc_assert (call_stmt);
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112 if (lookup_stmt_eh_lp_fn (caller_function, call_stmt) != 0)
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113 remove_stmt_from_eh_lp_fn (caller_function, call_stmt);
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114 }
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115 }
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116 }
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117
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118 /* Mark FNDECL as becoming not exception throwing. */
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119
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120 void
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121 lto_mark_nothrow_fndecl (tree fndecl)
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122 {
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diff changeset
123 gcc_assert (TREE_CODE (fndecl) == FUNCTION_DECL);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 if (!lto_nothrow_fndecls)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125 lto_nothrow_fndecls = lto_bitmap_alloc ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 bitmap_set_bit (lto_nothrow_fndecls, DECL_UID (fndecl));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 /* Write out fix-up information. Currently the only WPA fix-up
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 information is the list of DECLs marked as not exception throwing. SET
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 is a cgraph node set whose fix-up information is to be written. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 lto_output_wpa_fixup (cgraph_node_set set)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 struct lto_simple_output_block *ob;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 cgraph_node_set_iterator csi;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 tree fndecl;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 bitmap seen_decls;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 VEC(tree, heap) *decls = NULL;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 unsigned HOST_WIDE_INT i, count;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 ob = lto_create_simple_output_block (LTO_section_wpa_fixup);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 /* Accumulate the DECLs to be written out. Since we do not want
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 duplicates, we need to use a bitmap and a vector to save the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 DECLs we want. Note that we need to check if lto_nothrow_fndecls
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 is NULL. This happens when no DECL has been marked. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 seen_decls = lto_bitmap_alloc ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 if (lto_nothrow_fndecls)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 for (csi = csi_start (set); !csi_end_p (csi); csi_next (&csi))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 struct cgraph_edge *e;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 struct cgraph_node *n;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 n = csi_node (csi);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 fndecl = n->decl;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 /* Check if the N's function is in the set of nothrow functions. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 if (!bitmap_bit_p (seen_decls, DECL_UID (fndecl)))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 bitmap_set_bit (seen_decls, (DECL_UID (fndecl)));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 if (bitmap_bit_p (lto_nothrow_fndecls, DECL_UID (fndecl)))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 VEC_safe_push (tree, heap, decls, fndecl);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 /* Now check the callees and also add them if they are nothrow. This
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 is needed because node N may end up in a different partition than
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 its callees. In which case, when the file holding N is compiled,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 the calls it makes to nothrow functions will not be fixed up,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 causing verification issues. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 for (e = n->callees; e; e = e->next_callee)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 fndecl = e->callee->decl;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 if (!bitmap_bit_p (seen_decls, DECL_UID (fndecl)))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 bitmap_set_bit (seen_decls, (DECL_UID (fndecl)));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 if (bitmap_bit_p (lto_nothrow_fndecls, DECL_UID (fndecl)))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 VEC_safe_push (tree, heap, decls, fndecl);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 /* Write out number of DECLs, followed by the DECLs. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 count = VEC_length (tree, decls);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 lto_output_uleb128_stream (ob->main_stream, count);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 for (i = 0; i < count; i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 fndecl = VEC_index (tree, decls, i);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 lto_output_fn_decl_index (ob->decl_state, ob->main_stream, fndecl);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 /* Release resources. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 lto_destroy_simple_output_block (ob);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 VEC_free(tree, heap, decls);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 lto_bitmap_free (seen_decls);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 /* Read in WPA fix-up information from one file. FILE_DATA points to
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 DECL information of the file where as IB is the input block for the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 WPA fix-up section. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 lto_input_wpa_fixup_1 (struct lto_file_decl_data *file_data,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 struct lto_input_block *ib)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 unsigned HOST_WIDE_INT i, count, decl_index;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 tree fndecl;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 count = lto_input_uleb128 (ib);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 for (i = 0; i < count; i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 decl_index = lto_input_uleb128 (ib);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 fndecl = lto_file_decl_data_get_fn_decl (file_data, decl_index);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 lto_mark_nothrow_fndecl (fndecl);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 /* Read in WPA fix-up information. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 lto_input_wpa_fixup (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 struct lto_file_decl_data ** file_data_vec
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 = lto_get_file_decl_data ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 struct lto_file_decl_data * file_data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 int i = 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 /* Fix up information is only used in LTRANS mode. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 if (!flag_ltrans)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 return;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 while ((file_data = file_data_vec[i++]))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 const char *data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 size_t len;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 struct lto_input_block *ib
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 = lto_create_simple_input_block (file_data, LTO_section_wpa_fixup,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 &data, &len);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 lto_input_wpa_fixup_1 (file_data, ib);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 lto_destroy_simple_input_block (file_data, LTO_section_wpa_fixup, ib,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 data, len);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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246 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 /* Gate function for all lto streaming passes. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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250 static bool
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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251 gate_wpa_fixup (void)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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252 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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253 return (flag_wpa || flag_ltrans) && gate_lto_out ();
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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254 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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255
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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256 struct ipa_opt_pass_d pass_ipa_lto_wpa_fixup =
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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257 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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258 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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259 IPA_PASS,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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260 "lto_wpa_fixup", /* name */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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261 gate_wpa_fixup, /* gate */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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262 NULL, /* execute */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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263 NULL, /* sub */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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264 NULL, /* next */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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265 0, /* static_pass_number */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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266 TV_WHOPR_WPA_FIXUP, /* tv_id */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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267 0, /* properties_required */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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268 0, /* properties_provided */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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269 0, /* properties_destroyed */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 0, /* todo_flags_start */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 TODO_dump_func /* todo_flags_finish */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 },
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 NULL, /* generate_summary */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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274 lto_output_wpa_fixup, /* write_summary */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 lto_input_wpa_fixup, /* read_summary */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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276 NULL, /* function_read_summary */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 NULL, /* stmt_fixup */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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278 0, /* TODOs */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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279 NULL, /* function_transform */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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280 NULL /* variable_transform */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 };
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
282