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annotate gen/statements.c @ 14:0e86428ee567 trunk

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[svn r18] * Initial support for switch statements - No string switches yet. * Moved Statement::toIR definitions into gen/statements.c - toir.c is still too big. * Removed some BB bloat with ScopeStatements.
author lindquist
date Wed, 03 Oct 2007 02:15:12 +0200
parents
children 37a4fdab33fc
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14
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1 // Statements: D -> LLVM glue
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2
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3 #include <stdio.h>
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4 #include <math.h>
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5 #include <sstream>
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6 #include <fstream>
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7 #include <iostream>
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8
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9 #include "llvm/Type.h"
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10 #include "llvm/DerivedTypes.h"
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11 #include "llvm/Constants.h"
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12 #include "llvm/Instructions.h"
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13 #include "llvm/IntrinsicInst.h"
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14 #include "llvm/CallingConv.h"
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15
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16 #include "total.h"
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17 #include "init.h"
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18 #include "symbol.h"
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19 #include "mtype.h"
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20 #include "hdrgen.h"
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21 #include "port.h"
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22
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23 #include "gen/irstate.h"
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24 #include "gen/elem.h"
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25 #include "gen/logger.h"
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26 #include "gen/tollvm.h"
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27 #include "gen/runtime.h"
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28 #include "gen/arrays.h"
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29
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30 /* --------------------------------------------------------------------------------------- */
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31
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32 void CompoundStatement::toIR(IRState* p)
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33 {
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34 static int csi = 0;
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35 Logger::println("CompoundStatement::toIR(%d):\n<<<\n%s>>>", csi++, toChars());
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36 LOG_SCOPE;
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37
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38 /*
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39 const char* labelname;
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40 bool insterm = false;
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41
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42 if (!p->scopes()) {
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43 labelname = "bb";
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44 insterm = true;
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45 }
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46 else
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47 labelname = "entry";
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48
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49 //if (!llvm::isa<llvm::TerminatorInst>(p->topfunc()->back().back()))
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50 // insterm = true;
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51
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52 llvm::BasicBlock* bb = new llvm::BasicBlock(labelname, p->topfunc());
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53
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54 if (insterm) {
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55 new llvm::BranchInst(bb,p->topbb());
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56 }
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57
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58 p->bbs.push(bb);
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59 */
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60
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61 size_t n = statements->dim;
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62 for (size_t i=0; i<n; i++)
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63 {
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64 Statement* s = (Statement*)statements->data[i];
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65 if (s)
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66 s->toIR(p);
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67 else
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68 Logger::println("NULL statement found in CompoundStatement !! :S");
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69 }
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70
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71 //p->bbs.pop();
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72 }
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73
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74 void ReturnStatement::toIR(IRState* p)
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75 {
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76 static int rsi = 0;
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77 Logger::println("ReturnStatement::toIR(%d): %s", rsi++, toChars());
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78 LOG_SCOPE;
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79
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80 if (exp)
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81 {
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82 TY expty = exp->type->ty;
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83 if (p->topfunc()->getReturnType() == llvm::Type::VoidTy) {
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84 assert(expty == Tstruct || expty == Tdelegate || expty == Tarray);
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85
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86 TypeFunction* f = p->topfunctype();
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87 assert(f->llvmRetInPtr && f->llvmRetArg);
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88
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89 p->lvals.push_back(f->llvmRetArg);
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90 elem* e = exp->toElem(p);
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91 p->lvals.pop_back();
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92
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93 // structliterals do this themselves
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94 // also they dont produce any value
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95 if (expty == Tstruct) {
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96 if (!e->inplace) {
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97 TypeStruct* ts = (TypeStruct*)exp->type;
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98 assert(e->mem);
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99 LLVM_DtoStructCopy(ts,f->llvmRetArg,e->mem);
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100 }
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101 }
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102 else if (expty == Tdelegate) {
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103 // do nothing, handled by the DelegateExp
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104 LLVM_DtoDelegateCopy(f->llvmRetArg,e->mem);
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105 }
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106 else if (expty == Tarray) {
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107 if (e->type == elem::SLICE) {
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108 LLVM_DtoSetArray(f->llvmRetArg,e->arg,e->mem);
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109 }
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110 // else the return value is a variable and should already have been assigned by now
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111 }
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112 else
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113 assert(0);
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114
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115 new llvm::ReturnInst(p->scopebb());
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116 delete e;
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117 }
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118 else {
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119 elem* e = exp->toElem(p);
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120 llvm::Value* v = e->getValue();
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121 Logger::cout() << *v << '\n';
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122 new llvm::ReturnInst(v, p->scopebb());
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123 delete e;
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124 }
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125 }
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126 else
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127 {
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128 if (p->topfunc()->getReturnType() == llvm::Type::VoidTy)
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129 new llvm::ReturnInst(p->scopebb());
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130 else
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131 new llvm::UnreachableInst(p->scopebb());
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132 }
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133
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134 p->scope().returned = true;
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135 }
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136
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137 void ExpStatement::toIR(IRState* p)
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138 {
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139 static int esi = 0;
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140 Logger::println("ExpStatement::toIR(%d): %s", esi++, toChars());
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141 LOG_SCOPE;
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142
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143 if (exp != 0) {
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144 elem* e = exp->toElem(p);
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145 delete e;
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146 }
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147 /*elem* e = exp->toElem(p);
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148 p->buf.printf("%s", e->toChars());
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149 delete e;
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150 p->buf.writenl();*/
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151 }
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152
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153 void IfStatement::toIR(IRState* p)
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154 {
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155 static int wsi = 0;
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156 Logger::println("IfStatement::toIR(%d): %s", wsi++, toChars());
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157 LOG_SCOPE;
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158
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159 elem* cond_e = condition->toElem(p);
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160 llvm::Value* cond_val = cond_e->getValue();
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lindquist
parents:
diff changeset
161 delete cond_e;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
162
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
163 llvm::BasicBlock* oldend = gIR->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
164
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
165 llvm::BasicBlock* ifbb = new llvm::BasicBlock("if", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
166 llvm::BasicBlock* endbb = new llvm::BasicBlock("endif", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
167 llvm::BasicBlock* elsebb = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
168 if (elsebody) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
169 elsebb = new llvm::BasicBlock("else", gIR->topfunc(), endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
170 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
171 else {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
172 elsebb = endbb;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
173 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
174
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
175 if (cond_val->getType() != llvm::Type::Int1Ty) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
176 Logger::cout() << "if conditional: " << *cond_val << '\n';
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
177 cond_val = LLVM_DtoBoolean(cond_val);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
178 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
179 llvm::Value* ifgoback = new llvm::BranchInst(ifbb, elsebb, cond_val, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
180
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
181 // replace current scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
182 gIR->scope() = IRScope(ifbb,elsebb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
183
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
184 bool endifUsed = false;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
185
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
186 // do scoped statements
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
187 ifbody->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
188 if (!gIR->scopereturned()) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
189 new llvm::BranchInst(endbb,gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
190 endifUsed = true;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
191 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
192
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
193 if (elsebody) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
194 //assert(0);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
195 gIR->scope() = IRScope(elsebb,endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
196 elsebody->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
197 if (!gIR->scopereturned()) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
198 new llvm::BranchInst(endbb,gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
199 endifUsed = true;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
200 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
201 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
202
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
203 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
204 gIR->scope() = IRScope(endbb,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
205 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
206
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
207 void ScopeStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
208 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
209 Logger::println("ScopeStatement::toIR(): %s", toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
210 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
211
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
212 llvm::BasicBlock* oldend = p->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
213
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
214 IRScope irs;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
215 // remove useless branches by clearing and reusing the current basicblock
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
216 llvm::BasicBlock* bb = p->scopebegin();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
217 if (bb->empty()) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
218 irs.begin = bb;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
219 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
220 else {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
221 irs.begin = new llvm::BasicBlock("scope", p->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
222 new llvm::BranchInst(irs.begin, p->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
223 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
224 irs.end = new llvm::BasicBlock("endscope", p->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
225
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
226 gIR->scope() = irs;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
227
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
228 statement->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
229
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
230 p->scope() = IRScope(p->scopebb(),oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
231 irs.end->eraseFromParent();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
232
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
233 /*
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
234 if (!gIR->scopereturned()) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
235 new llvm::BranchInst(irs.end, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
236 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
237
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
238 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
239 gIR->scope() = IRScope(irs.end,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
240 */
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
241 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
242
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
243 void WhileStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
244 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
245 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
246 Logger::println("WhileStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
247 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
248
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
249 // create while blocks
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
250 llvm::BasicBlock* oldend = gIR->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
251 llvm::BasicBlock* whilebb = new llvm::BasicBlock("whilecond", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
252 llvm::BasicBlock* endbb = new llvm::BasicBlock("endwhile", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
253
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
254 // move into the while block
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
255 new llvm::BranchInst(whilebb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
256
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
257 // replace current scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
258 gIR->scope() = IRScope(whilebb,endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
259
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
260 // create the condition
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
261 elem* cond_e = condition->toElem(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
262 llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
263 delete cond_e;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
264
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
265 // while body block
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
266 llvm::BasicBlock* whilebodybb = new llvm::BasicBlock("whilebody", gIR->topfunc(), endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
267
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
268 // conditional branch
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
269 llvm::Value* ifbreak = new llvm::BranchInst(whilebodybb, endbb, cond_val, whilebb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
270
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
271 // rewrite scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
272 gIR->scope() = IRScope(whilebodybb,endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
273
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
274 // do while body code
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
275 body->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
276
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
277 // loop
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
278 new llvm::BranchInst(whilebb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
279
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
280 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
281 gIR->scope() = IRScope(endbb,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
282 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
283
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
284 void DoStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
285 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
286 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
287 Logger::println("DoStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
288 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
289
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
290 // create while blocks
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
291 llvm::BasicBlock* oldend = gIR->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
292 llvm::BasicBlock* dowhilebb = new llvm::BasicBlock("dowhile", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
293 llvm::BasicBlock* endbb = new llvm::BasicBlock("enddowhile", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
294
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
295 // move into the while block
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
296 new llvm::BranchInst(dowhilebb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
297
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
298 // replace current scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
299 gIR->scope() = IRScope(dowhilebb,endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
300
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
301 // do do-while body code
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
302 body->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
303
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
304 // create the condition
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
305 elem* cond_e = condition->toElem(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
306 llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
307 delete cond_e;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
308
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
309 // conditional branch
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
310 llvm::Value* ifbreak = new llvm::BranchInst(dowhilebb, endbb, cond_val, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
311
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
312 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
313 gIR->scope() = IRScope(endbb,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
314 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
315
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
316 void ForStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
317 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
318 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
319 Logger::println("ForStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
320 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
321
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
322 // create for blocks
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
323 llvm::BasicBlock* oldend = gIR->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
324 llvm::BasicBlock* forbb = new llvm::BasicBlock("forcond", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
325 llvm::BasicBlock* forbodybb = new llvm::BasicBlock("forbody", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
326 llvm::BasicBlock* forincbb = new llvm::BasicBlock("forinc", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
327 llvm::BasicBlock* endbb = new llvm::BasicBlock("endfor", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
328
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
329 // init
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
330 if (init != 0)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
331 init->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
332
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
333 // move into the for condition block, ie. start the loop
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
334 new llvm::BranchInst(forbb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
335
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
336 IRScope loop;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
337 loop.begin = forincbb;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
338 loop.end = endbb;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
339 p->loopbbs.push_back(loop);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
340
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
341 // replace current scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
342 gIR->scope() = IRScope(forbb,forbodybb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
343
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
344 // create the condition
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
345 elem* cond_e = condition->toElem(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
346 llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
347 delete cond_e;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
348
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
349 // conditional branch
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
350 llvm::Value* ifbreak = new llvm::BranchInst(forbodybb, endbb, cond_val, forbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
351
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
352 // rewrite scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
353 gIR->scope() = IRScope(forbodybb,forincbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
354
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
355 // do for body code
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
356 body->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
357
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
358 // move into the for increment block
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
359 new llvm::BranchInst(forincbb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
360 gIR->scope() = IRScope(forincbb, endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
361
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
362 // increment
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
363 if (increment) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
364 elem* inc = increment->toElem(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
365 delete inc;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
366 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
367
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
368 // loop
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
369 new llvm::BranchInst(forbb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
370
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
371 p->loopbbs.pop_back();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
372
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
373 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
374 gIR->scope() = IRScope(endbb,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
375 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
376
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
377 void BreakStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
378 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
379 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
380 Logger::println("BreakStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
381 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
382
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
383 if (ident != 0) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
384 Logger::println("ident = %s", ident->toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
385 assert(0);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
386 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
387 else {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
388 new llvm::BranchInst(gIR->loopbbs.back().end, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
389 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
390 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
391
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
392 void ContinueStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
393 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
394 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
395 Logger::println("ContinueStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
396 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
397
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
398 if (ident != 0) {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
399 Logger::println("ident = %s", ident->toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
400 assert(0);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
401 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
402 else {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
403 new llvm::BranchInst(gIR->loopbbs.back().begin, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
404 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
405 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
406
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
407 void OnScopeStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
408 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
409 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
410 Logger::println("OnScopeStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
411 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
412
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
413 assert(statement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
414 //statement->toIR(p); // this seems to be redundant
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
415 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
416
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
417 void TryFinallyStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
418 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
419 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
420 Logger::println("TryFinallyStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
421 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
422
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
423 llvm::BasicBlock* oldend = gIR->scopeend();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
424
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
425 llvm::BasicBlock* trybb = new llvm::BasicBlock("try", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
426 llvm::BasicBlock* finallybb = new llvm::BasicBlock("finally", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
427 llvm::BasicBlock* endbb = new llvm::BasicBlock("endtryfinally", gIR->topfunc(), oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
428
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
429 // pass the previous BB into this
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
430 new llvm::BranchInst(trybb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
431
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
432 gIR->scope() = IRScope(trybb,finallybb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
433
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
434 assert(body);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
435 body->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
436 new llvm::BranchInst(finallybb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
437
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
438 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
439 gIR->scope() = IRScope(finallybb,endbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
440
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
441 assert(finalbody);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
442 finalbody->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
443 new llvm::BranchInst(endbb, gIR->scopebegin());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
444
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
445 // rewrite the scope
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
446 gIR->scope() = IRScope(endbb,oldend);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
447 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
448
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
449 void TryCatchStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
450 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
451 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
452 Logger::println("TryCatchStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
453 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
454
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
455 assert(0 && "try-catch is not properly");
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
456
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
457 assert(body);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
458 body->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
459
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
460 assert(catches);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
461 for(size_t i=0; i<catches->dim; ++i)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
462 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
463 Catch* c = (Catch*)catches->data[i];
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
464 c->handler->toIR(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
465 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
466 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
467
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
468 void ThrowStatement::toIR(IRState* p)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
469 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
470 static int wsi = 0;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
471 Logger::println("ThrowStatement::toIR(%d): %s", wsi++, toChars());
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
472 LOG_SCOPE;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
473
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
474 assert(0 && "throw is not implemented");
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
475
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
476 assert(exp);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
477 elem* e = exp->toElem(p);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
478 delete e;
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
479 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
480
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
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481 void SwitchStatement::toIR(IRState* p)
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482 {
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483 Logger::println("SwitchStatement::toIR(): %s", toChars());
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484 LOG_SCOPE;
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485
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486 llvm::BasicBlock* oldend = gIR->scopeend();
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487
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488 // collect the needed cases
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489 typedef std::pair<llvm::BasicBlock*, llvm::ConstantInt*> CasePair;
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490 std::vector<CasePair> vcases;
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491 for (int i=0; i<cases->dim; ++i)
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492 {
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493 CaseStatement* cs = (CaseStatement*)cases->data[i];
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494
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495 // get the case value
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496 elem* e = cs->exp->toElem(p);
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497 assert(e->val && llvm::isa<llvm::ConstantInt>(e->val));
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498 llvm::ConstantInt* ec = llvm::cast<llvm::ConstantInt>(e->val);
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499 delete e;
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500
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501 // create the case bb with a nice label
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502 std::string lblname("case"+std::string(cs->exp->toChars()));
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503 llvm::BasicBlock* bb = new llvm::BasicBlock(lblname, p->topfunc(), oldend);
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504
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505 vcases.push_back(CasePair(bb,ec));
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506 }
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507
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508 // default
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509 llvm::BasicBlock* defbb = 0;
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510 if (!hasNoDefault) {
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511 defbb = new llvm::BasicBlock("default", p->topfunc(), oldend);
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512 }
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513
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514 // end (break point)
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515 llvm::BasicBlock* endbb = new llvm::BasicBlock("switchend", p->topfunc(), oldend);
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516
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517 // condition var
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518 elem* cond = condition->toElem(p);
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519 llvm::SwitchInst* si = new llvm::SwitchInst(cond->getValue(), defbb ? defbb : endbb, cases->dim, p->scopebb());
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520 delete cond;
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521
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522 // add the cases
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523 size_t n = vcases.size();
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524 for (size_t i=0; i<n; ++i)
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525 {
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lindquist
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526 si->addCase(vcases[i].second, vcases[i].first);
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527 }
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parents:
diff changeset
528
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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529 // insert case statements
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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530 for (size_t i=0; i<n; ++i)
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531 {
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532 llvm::BasicBlock* nextbb = (i == n-1) ? (defbb ? defbb : endbb) : vcases[i+1].first;
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533 p->scope() = IRScope(vcases[i].first,nextbb);
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534
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535 p->loopbbs.push_back(IRScope(p->scopebb(),endbb));
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536 static_cast<CaseStatement*>(cases->data[i])->statement->toIR(p);
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537 p->loopbbs.pop_back();
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538
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lindquist
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diff changeset
539 llvm::BasicBlock* curbb = p->scopebb();
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diff changeset
540 if (!curbb->empty() && !curbb->back().isTerminator())
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lindquist
parents:
diff changeset
541 {
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lindquist
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diff changeset
542 new llvm::BranchInst(nextbb, curbb);
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diff changeset
543 }
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544 }
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diff changeset
545
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parents:
diff changeset
546 // default statement
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parents:
diff changeset
547 if (defbb)
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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parents:
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548 {
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diff changeset
549 p->scope() = IRScope(defbb,endbb);
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parents:
diff changeset
550 p->loopbbs.push_back(IRScope(defbb,endbb));
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lindquist
parents:
diff changeset
551 sdefault->statement->toIR(p);
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diff changeset
552 p->loopbbs.pop_back();
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lindquist
parents:
diff changeset
553
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
554 llvm::BasicBlock* curbb = p->scopebb();
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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parents:
diff changeset
555 if (!curbb->empty() && !curbb->back().isTerminator())
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lindquist
parents:
diff changeset
556 {
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
557 new llvm::BranchInst(endbb, curbb);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
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558 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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parents:
diff changeset
559 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
560
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
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parents:
diff changeset
561 gIR->scope() = IRScope(endbb,oldend);
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diff changeset
562 }
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
563
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lindquist
parents:
diff changeset
564 #define STUBST(x) void x::toIR(IRState * p) {error("Statement type "#x" not implemented: %s", toChars());fatal();}
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565 //STUBST(BreakStatement);
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parents:
diff changeset
566 //STUBST(ForStatement);
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parents:
diff changeset
567 STUBST(WithStatement);
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lindquist
parents:
diff changeset
568 STUBST(SynchronizedStatement);
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lindquist
parents:
diff changeset
569 //STUBST(ReturnStatement);
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lindquist
parents:
diff changeset
570 //STUBST(ContinueStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
571 STUBST(DefaultStatement);
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lindquist
parents:
diff changeset
572 STUBST(CaseStatement);
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lindquist
parents:
diff changeset
573 //STUBST(SwitchStatement);
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lindquist
parents:
diff changeset
574 STUBST(SwitchErrorStatement);
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lindquist
parents:
diff changeset
575 STUBST(Statement);
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lindquist
parents:
diff changeset
576 //STUBST(IfStatement);
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lindquist
parents:
diff changeset
577 STUBST(ForeachStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
578 //STUBST(DoStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
579 //STUBST(WhileStatement);
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lindquist
parents:
diff changeset
580 //STUBST(ExpStatement);
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lindquist
parents:
diff changeset
581 //STUBST(CompoundStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
582 //STUBST(ScopeStatement);
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lindquist
parents:
diff changeset
583 STUBST(AsmStatement);
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lindquist
parents:
diff changeset
584 //STUBST(TryCatchStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
585 //STUBST(TryFinallyStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
586 STUBST(VolatileStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
587 STUBST(LabelStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
588 //STUBST(ThrowStatement);
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lindquist
parents:
diff changeset
589 STUBST(GotoCaseStatement);
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lindquist
parents:
diff changeset
590 STUBST(GotoDefaultStatement);
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lindquist
parents:
diff changeset
591 STUBST(GotoStatement);
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lindquist
parents:
diff changeset
592 STUBST(UnrolledLoopStatement);
0e86428ee567 [svn r18] * Initial support for switch statements - No string switches yet.
lindquist
parents:
diff changeset
593 //STUBST(OnScopeStatement);