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annotate ir/irstruct.cpp @ 983:6e68054cfc20

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Fix out-ouf-source build for runtime as well. To build out-of-source, follow these steps: # [[Insert LLVM build instructions here]] mkdir my_build_dir cd my_build_dir svn co http://svn.dsource.org/projects/tango/trunk tango ccmake <PATH_TO_SOURCE> # (Regular ccmake stuff, press 'c' a few times followed by 'g') make make runtime # add `PWD`/bin to PATH closes #213
author Frits van Bommel <fvbommel wxs.nl>
date Thu, 19 Feb 2009 11:01:34 +0100
parents 1714836f2c0b
children 79758fd2f48a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
136
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1 #include "gen/llvm.h"
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2
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3 #include "mtype.h"
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4 #include "aggregate.h"
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5 #include "declaration.h"
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6 #include "init.h"
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7
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8 #include "ir/irstruct.h"
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9 #include "gen/irstate.h"
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10 #include "gen/tollvm.h"
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11 #include "gen/logger.h"
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12 #include "gen/llvmhelpers.h"
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13
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14 IrInterface::IrInterface(BaseClass* b)
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15 : vtblInitTy(llvm::OpaqueType::get())
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16 {
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17 base = b;
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18 decl = b->base;
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19 vtblInit = NULL;
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20 vtbl = NULL;
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21 infoTy = NULL;
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22 infoInit = NULL;
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23 info = NULL;
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24
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25 index = 0;
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26 }
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27
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28 //////////////////////////////////////////////////////////////////////////////
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29 //////////////////////////////////////////////////////////////////////////////
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30 //////////////////////////////////////////////////////////////////////////////
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31
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32 IrStruct::IrStruct(AggregateDeclaration* aggr)
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33 : initOpaque(llvm::OpaqueType::get()),
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34 classInfoOpaque(llvm::OpaqueType::get()),
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35 vtblTy(llvm::OpaqueType::get()),
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36 vtblInitTy(llvm::OpaqueType::get()),
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37 diCompositeType(NULL)
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38 {
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39 aggrdecl = aggr;
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40 defaultFound = false;
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41 anon = NULL;
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42 index = 0;
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43
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44 type = aggr->type;
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45 defined = false;
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46 constinited = false;
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47
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48 interfaceInfos = NULL;
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49 vtbl = NULL;
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50 constVtbl = NULL;
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51
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52 init = NULL;
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53 constInit = NULL;
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54
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55 classInfo = NULL;
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56 constClassInfo = NULL;
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57 classInfoDeclared = false;
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58 classInfoDefined = false;
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59
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60 packed = false;
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61 }
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62
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63 IrStruct::~IrStruct()
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64 {
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65 }
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67 //////////////////////////////////////////
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68
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69 void IrStruct::pushAnon(bool isunion)
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70 {
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71 anon = new Anon(isunion, anon);
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72 }
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73
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74 //////////////////////////////////////////
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75
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76 void IrStruct::popAnon()
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77 {
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78 assert(anon);
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79
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80 const LLType* BT;
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81
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82 // get the anon type
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83 if (anon->isunion)
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84 {
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85 // get biggest type in block
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86 const LLType* biggest = getBiggestType(&anon->types[0], anon->types.size());
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87 std::vector<const LLType*> vec(1, biggest);
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88 BT = LLStructType::get(vec, aggrdecl->ir.irStruct->packed);
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89 }
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90 else
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91 {
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92 // build a struct from the types
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93 BT = LLStructType::get(anon->types, aggrdecl->ir.irStruct->packed);
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94 }
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95
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96 // pop anon
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97 Anon* tmp = anon;
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98 anon = anon->parent;
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99 delete tmp;
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100
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101 // is there a parent anon?
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102 if (anon)
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103 {
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104 // make sure type gets pushed in the anon, not the main
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105 anon->types.push_back(BT);
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106 // index is only manipulated at the top level, anons use raw offsets
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107 }
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108 // no parent anon, finally add to aggrdecl
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109 else
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110 {
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111 types.push_back(BT);
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112 // only advance to next position if main is not a union
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113 if (!aggrdecl->isUnionDeclaration())
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114 {
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115 index++;
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116 }
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117 }
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118 }
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119
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120 //////////////////////////////////////////
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121
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122 void IrStruct::addVar(VarDeclaration * var)
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123 {
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124 TypeVector* tvec = &types;
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125 if (anon)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
126 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
127 // make sure type gets pushed in the anon, not the main
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
128 tvec = &anon->types;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
129
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
130 // set but don't advance index
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diff changeset
131 var->ir.irField->index = index;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
132
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
133 // set offset in bytes from start of anon block
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
134 var->ir.irField->unionOffset = var->offset - var->offset2;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
135 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
136 else if (aggrdecl->isUnionDeclaration())
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
137 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
138 // set but don't advance index
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
139 var->ir.irField->index = index;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
140 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
141 else
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
142 {
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
143 // set and advance index
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
144 var->ir.irField->index = index++;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
145 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
146
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
147 // add type
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
148 tvec->push_back(DtoType(var->type));
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
149
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
150 // add var
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
151 varDecls.push_back(var);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
152 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
153
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
154 //////////////////////////////////////////
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
155
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
156 const LLType* IrStruct::build()
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
157 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
158 // if types is empty, add a byte
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
159 if (types.empty())
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
160 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
161 types.push_back(LLType::Int8Ty);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
162 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
163
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
164 // union type
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
165 if (aggrdecl->isUnionDeclaration())
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
166 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
167 const LLType* biggest = getBiggestType(&types[0], types.size());
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diff changeset
168 std::vector<const LLType*> vec(1, biggest);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
169 return LLStructType::get(vec, aggrdecl->ir.irStruct->packed);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
170 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
171 // struct/class type
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
172 else
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
173 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
174 return LLStructType::get(types, aggrdecl->ir.irStruct->packed);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
175 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
176 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
177
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
178 void addZeros(std::vector<const llvm::Type*>& inits, size_t pos, size_t offset)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
179 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
180 assert(offset > pos);
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diff changeset
181 size_t diff = offset - pos;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
182
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
183 size_t sz;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
184
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
185 do
737
041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
186 {
797
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
187 if (pos%8 == 0 && diff >= 8)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
188 sz = 8;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
189 else if (pos%4 == 0 && diff >= 4)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
190 sz = 4;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
191 else if (pos%2 == 0 && diff >= 2)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
192 sz = 2;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
193 else // if (pos % 1 == 0)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
194 sz = 1;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
195 inits.push_back(LLIntegerType::get(sz*8));
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
196 pos += sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
197 diff -= sz;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
198 } while (pos < offset);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
199
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
200 assert(pos == offset);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
201 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
202
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
203 void addZeros(std::vector<llvm::Constant*>& inits, size_t pos, size_t offset)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
204 {
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
205 assert(offset > pos);
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
206 size_t diff = offset - pos;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
207
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
208 size_t sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
209
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
210 do
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
211 {
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
212 if (pos%8 == 0 && diff >= 8)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
213 sz = 8;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
214 else if (pos%4 == 0 && diff >= 4)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
215 sz = 4;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
216 else if (pos%2 == 0 && diff >= 2)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
217 sz = 2;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
218 else // if (pos % 1 == 0)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
219 sz = 1;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
220 inits.push_back(LLConstant::getNullValue(LLIntegerType::get(sz*8)));
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
221 pos += sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
222 diff -= sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
223 } while (pos < offset);
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
224
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
225 assert(pos == offset);
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
226 }
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
227
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
228 // FIXME: body is exact copy of above
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
229 void addZeros(std::vector<llvm::Value*>& inits, size_t pos, size_t offset)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
230 {
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
231 assert(offset > pos);
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
232 size_t diff = offset - pos;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
233
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
234 size_t sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
235
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
236 do
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
237 {
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
238 if (pos%8 == 0 && diff >= 8)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
239 sz = 8;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
240 else if (pos%4 == 0 && diff >= 4)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
241 sz = 4;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
242 else if (pos%2 == 0 && diff >= 2)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
243 sz = 2;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
244 else // if (pos % 1 == 0)
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
245 sz = 1;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
246 inits.push_back(LLConstant::getNullValue(LLIntegerType::get(sz*8)));
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
247 pos += sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
248 diff -= sz;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
249 } while (pos < offset);
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
250
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diff changeset
251 assert(pos == offset);
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252 }
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253
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
254 void IrStruct::buildDefaultConstInit(std::vector<llvm::Constant*>& inits)
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255 {
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256 assert(!defaultFound);
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257 defaultFound = true;
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258
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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259 const llvm::StructType* structtype = isaStruct(aggrdecl->type->ir.type->get());
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diff changeset
260 Logger::cout() << "struct type: " << *structtype << '\n';
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261
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262 size_t lastoffset = 0;
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diff changeset
263 size_t lastsize = 0;
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264
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265 {
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266 Logger::println("Find the default fields");
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267 LOG_SCOPE;
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268
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269 // go through all vars and find the ones that contribute to the default
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diff changeset
270 size_t nvars = varDecls.size();
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diff changeset
271 for (size_t i=0; i<nvars; i++)
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272 {
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diff changeset
273 VarDeclaration* var = varDecls[i];
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274
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275 Logger::println("field %s %s = %s : +%u", var->type->toChars(), var->toChars(), var->init ? var->init->toChars() : var->type->defaultInit(var->loc)->toChars(), var->offset);
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diff changeset
276
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
277 // only add vars that don't overlap
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diff changeset
278 size_t offset = var->offset;
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diff changeset
279 size_t size = var->type->size();
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diff changeset
280 if (offset >= lastoffset+lastsize)
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281 {
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diff changeset
282 Logger::println(" added");
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
283 lastoffset = offset;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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284 lastsize = size;
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diff changeset
285 defVars.push_back(var);
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286 }
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287 }
737
041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
288 }
797
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diff changeset
289
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290 {
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diff changeset
291 Logger::println("Build the default initializer");
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
292 LOG_SCOPE;
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diff changeset
293
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
294 lastoffset = 0;
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diff changeset
295 lastsize = 0;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
296
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diff changeset
297 // go through the default vars and build the default constant initializer
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diff changeset
298 // adding zeros along the way to live up to alignment expectations
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
299 size_t nvars = defVars.size();
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diff changeset
300 for (size_t i=0; i<nvars; i++)
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diff changeset
301 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
302 VarDeclaration* var = defVars[i];
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diff changeset
303
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
304 Logger::println("field %s %s = %s : +%u", var->type->toChars(), var->toChars(), var->init ? var->init->toChars() : var->type->defaultInit(var->loc)->toChars(), var->offset);
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diff changeset
305
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
306 // get offset and size
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
307 size_t offset = var->offset;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
308 size_t size = var->type->size();
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diff changeset
309
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diff changeset
310 // is there space in between last last offset and this one?
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diff changeset
311 // if so, fill it with zeros
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diff changeset
312 if (offset > lastoffset+lastsize)
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diff changeset
313 {
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diff changeset
314 size_t pos = lastoffset + lastsize;
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diff changeset
315 addZeros(inits, pos, offset);
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diff changeset
316 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
317
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diff changeset
318 // add the field
800
d14e4594c7d7 Changed aggregate field initializers to be created lazily, fixes problem with static void arrays in aggregates.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 797
diff changeset
319 // lazily default initialize
d14e4594c7d7 Changed aggregate field initializers to be created lazily, fixes problem with static void arrays in aggregates.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
320 if (!var->ir.irField->constInit)
803
c62c6936635b Removed DtoConstFieldInitializer, it's no longer needed and was buggy.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 802
diff changeset
321 var->ir.irField->constInit = DtoConstInitializer(var->loc, var->type, var->init);
797
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diff changeset
322 inits.push_back(var->ir.irField->constInit);
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diff changeset
323
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
324 lastoffset = offset;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
325 lastsize = var->type->size();
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
326 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
327
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
328 // there might still be padding after the last one, make sure that is zeroed as well
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
329 // is there space in between last last offset and this one?
945
03d7c4aac654 SWITCHED TO LLVM 2.5 !
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 803
diff changeset
330 size_t structsize = getTypePaddedSize(structtype);
797
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
331
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
332 if (structsize > lastoffset+lastsize)
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
333 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
334 size_t pos = lastoffset + lastsize;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
335 addZeros(inits, pos, structsize);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
336 }
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
337 }
737
041c1596d217 Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
338 }
797
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
339
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
340 LLConstant* IrStruct::buildDefaultConstInit()
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
341 {
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
342 // doesn't work for classes, they add stuff before and maybe after data fields
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
343 assert(!aggrdecl->isClassDeclaration());
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
344
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
345 // initializer llvm constant list
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
346 std::vector<LLConstant*> inits;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
347
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
348 // just start with an empty list
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
349 buildDefaultConstInit(inits);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
350
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
351 // build the constant
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
352 // note that the type matches the initializer, not the aggregate in cases with unions
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
353 LLConstant* c = LLConstantStruct::get(inits, aggrdecl->ir.irStruct->packed);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
354 Logger::cout() << "llvm constant: " << *c << '\n';
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
355 // assert(0);
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
356 return c;
340acf1535d0 Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 737
diff changeset
357 }