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annotate tools/binding/llvm/builder.d @ 1273:1ba61de8796b

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Committing LLVM binding for D as it currently exists in the SVN repository.
author Frits van Bommel <fvbommel wxs.nl>
date Mon, 27 Apr 2009 22:33:17 +0200
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children 4ff9ab0d472c
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1273
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1 // Written in the D programming language by Tomas Lindquist Olsen 2008
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2 // Binding of llvm.c.Core builder for D.
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3 //
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4 // This file is distributed under the University of Illinois Open Source
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5 // License. See LICENSE.TXT for details.
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6 //
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7 module llvm.builder;
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8
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9 import llvm.c.Core;
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10 import llvm.c.Ext;
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11
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12 import llvm.llvm;
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13 import llvm.util;
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14
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15 private
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16 {
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17 template Build_NoArgs_Mixin(char[] N) {
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18 const Build_NoArgs_Mixin = "
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19 Value build"~N~"() {
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20 return new Value(LLVMBuild"~N~"(builder));
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21 }
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22 ";
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23 }
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24
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25 template Build_Mixin(char[] NAME, char[] ARGS, char[] VALUES) {
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26 const Build_Mixin = "
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27 Value build"~NAME~"("~ARGS~") {
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28 return new Value(LLVMBuild"~NAME~"(builder, "~VALUES~"));
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29 }
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30 ";
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31 static assert(ARGS != "");
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32 static assert(VALUES != "");
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33 }
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34
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35 // unnamed
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36 template Build_Value(char[] N) {
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37 const Build_Value = Build_Mixin!(N, "Value v", `v.value`);
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38 }
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39 template Build_Value_Value(char[] N) {
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40 const Build_Value_Value = Build_Mixin!(N, "Value v, Value w", `v.value, w.value`);
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41 }
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42 template Build_BB(char[] N) {
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43 const Build_BB = Build_Mixin!(N, "BasicBlock b", `b.bb`);
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44 }
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45 template Build_Value_BB_BB(char[] N) {
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46 const Build_Value_BB_BB = Build_Mixin!(N, "Value v, BasicBlock b1, BasicBlock b2", `v.value, b1.bb, b2.bb`);
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47 }
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48 template Build_Value_BB_uint(char[] N) {
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49 const Build_Value_BB_uint = Build_Mixin!(N, "Value v, BasicBlock b, uint n", `v.value, b.bb, n`);
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50 }
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51
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52 // named
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53 template Build_Named_Mixin(char[] NAME, char[] ARGS, char[] VALUES) {
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54 const Build_Named_Mixin = Build_Mixin!(NAME, ARGS~", char[] name", VALUES~`, to_stringz(name)`);
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55 }
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56
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57 template Build_Type_Name(char[] N) {
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58 const Build_Type_Name = Build_Named_Mixin!(N, "Type t", `t.ll`);
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59 }
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60 template Build_Value_Name(char[] N) {
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61 const Build_Value_Name = Build_Named_Mixin!(N, "Value v", `v.value`);
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62 }
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63 template Build_Type_Value_Name(char[] N) {
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64 const Build_Type_Value_Name = Build_Named_Mixin!(N, "Type t, Value v", `t.ll, v.value`);
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65 }
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66 template Build_Value_Type_Name(char[] N) {
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67 const Build_Value_Type_Name = Build_Named_Mixin!(N, "Value v, Type t", `v.value, t.ll`);
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68 }
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69 template Build_Value_Value_Name(char[] N) {
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70 const Build_Value_Value_Name = Build_Named_Mixin!(N, "Value a, Value b", `a.value, b.value`);
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71 }
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72 template Build_Value_Value_Value_Name(char[] N) {
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73 const Build_Value_Value_Value_Name = Build_Named_Mixin!(N, "Value a, Value b, Value c", `a.value, b.value, c.value`);
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74 }
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75 template Build_Cmp(char[] PRED, char[] N) {
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76 const Build_Cmp = Build_Named_Mixin!(N, ""~PRED~"Predicate p, Value l, Value r", `p, l.value, r.value`);
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77 }
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78
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79 template StringDistribute(alias T, U...)
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80 {
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81 static if (!U.length)
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82 const char[] StringDistribute="";
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83 else
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84 const char[] StringDistribute = T!(U[0]) ~ StringDistribute!(T, U[1..$]);
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85 }
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86 }
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87
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88 ///
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89 class Builder
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90 {
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91 ///
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92 private LLVMBuilderRef builder;
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93 ///
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94 this()
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95 {
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96 builder = LLVMCreateBuilder();
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97 }
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98 ///
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99 void dispose()
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100 {
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101 LLVMDisposeBuilder(builder);
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102 builder = null;
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103 }
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104 ///
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105 ~this()
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106 {
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107 // safe because builder isn't on the GC heap and isn't exposed.
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108 dispose();
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109 }
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110 ///
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111 void positionBefore(Value v)
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112 {
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113 assert(builder !is null);
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114 LLVMPositionBuilderBefore(builder, v.value);
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115 }
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116 ///
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117 void positionAtEnd(BasicBlock bb)
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118 {
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119 assert(builder !is null);
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120 LLVMPositionBuilderAtEnd(builder, bb.bb);
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121 }
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122 ///
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123 void positionAtStart(BasicBlock bb)
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124 {
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125 assert(builder !is null);
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126 LLVMPositionBuilderBefore(builder, LLVMGetFirstInstruction(bb.bb));
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127 }
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128 ///
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129 BasicBlock getInsertBlock()
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130 {
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131 return new BasicBlock(LLVMGetInsertBlock(builder));
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132 }
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133
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134 ///
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135 mixin(StringDistribute!(Build_NoArgs_Mixin, "RetVoid", "Unwind", "Unreachable"));
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136 mixin(Build_BB!("Br"));
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137 mixin(Build_Value_BB_BB!("CondBr"));
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138 mixin(Build_Value_BB_uint!("Switch"));
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139 ///
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140 mixin(StringDistribute!(Build_Value, "Ret", "Free"));
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141 ///
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142 mixin(Build_Value_Value!("Store"));
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143 ///
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144 mixin(StringDistribute!(Build_Value_Value_Name,
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145 "Add","Sub","Mul","UDiv","SDiv","FDiv","URem","SRem","FRem",
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146 "Shl","LShr","AShr","And","Or","Xor",
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147 "ExtractElement"
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148 ));
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149 ///
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150 mixin(StringDistribute!(Build_Value_Name, "Neg","Not", "Load"));
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151 ///
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152 mixin(StringDistribute!(Build_Value_Type_Name,
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153 "Trunc","SExt","ZExt","FPTrunc","FPExt",
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154 "UIToFP","SIToFP","FPToUI","FPToSI",
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155 "PtrToInt","IntToPtr","BitCast",
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156 "VAArg"
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157 ));
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158 ///
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159 mixin(Build_Cmp!("Int","ICmp"));
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160 ///
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161 mixin(Build_Cmp!("Real","FCmp"));
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162 ///
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163 mixin(StringDistribute!(Build_Type_Name,
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164 "Phi", "Malloc", "Alloca"
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165 ));
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166 ///
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167 mixin(StringDistribute!(Build_Type_Value_Name,
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168 "ArrayMalloc", "ArrayAlloca"
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169 ));
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170 ///
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171 mixin(StringDistribute!(Build_Value_Value_Value_Name,
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172 "Select", "InsertElement", "ShuffleVector"
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173 ));
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174 ///
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175 Value buildCall(Value fn, Value[] args, char[] name) {
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176 auto llargs = new LLVMValueRef[args.length];
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177 foreach(i,a; args) llargs[i] = a.value;
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178 return new Value(LLVMBuildCall(builder, fn.value, llargs.ptr, llargs.length, to_stringz(name)));
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179 }
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180 ///
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181 Value buildGEP(Value ptr, Value[] indices, char[] name) {
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182 auto llindices = new LLVMValueRef[indices.length];
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183 foreach(i,idx; indices) llindices[i] = idx.value;
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184 return new Value(LLVMBuildGEP(builder, ptr.value, llindices.ptr, llindices.length, to_stringz(name)));
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185 }
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186 ///
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187 Value buildInvoke(Value fn, Value[] args, BasicBlock thenbb, BasicBlock catchbb, char[] name) {
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188 auto llargs = new LLVMValueRef[args.length];
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189 foreach(i,a; args) llargs[i] = a.value;
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190 return new Value(LLVMBuildInvoke(builder, fn.value, llargs.ptr, llargs.length, thenbb.bb, catchbb.bb, to_stringz(name)));
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191 }
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192 }