Mercurial > projects > ldc
annotate gen/irstate.cpp @ 91:3f949c6e2e9d trunk
[svn r95] added support for mains like:
T main(string[] args)
fixed a bug with slicing a pointer that is an argument with no storage
| author | lindquist |
|---|---|
| date | Wed, 07 Nov 2007 04:52:56 +0100 |
| parents | fd32135dca3e |
| children | 61615fa85940 |
| rev | line source |
|---|---|
| 1 | 1 /* DMDFE backend stubs |
| 2 * This file contains the implementations of the backend routines. | |
| 3 * For dmdfe these do nothing but print a message saying the module | |
| 4 * has been parsed. Substitute your own behaviors for these routimes. | |
| 5 */ | |
| 6 | |
| 40 | 7 #include <cstdarg> |
| 8 | |
| 9 #include "gen/llvm.h" | |
| 10 | |
| 1 | 11 #include "mtype.h" |
| 40 | 12 #include "declaration.h" |
| 13 | |
|
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[svn r8] changed backend includes to always use the gen/<foo>.h prefix
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14 #include "gen/irstate.h" |
| 40 | 15 #include "tollvm.h" |
| 1 | 16 |
| 17 IRState* gIR = 0; | |
| 73 | 18 const llvm::TargetData* gTargetData = 0; |
| 1 | 19 |
| 20 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 21 IRScope::IRScope() | |
| 22 { | |
| 40 | 23 begin = end = NULL; |
| 1 | 24 } |
| 25 | |
| 26 IRScope::IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e) | |
| 27 { | |
| 28 begin = b; | |
| 29 end = e; | |
| 40 | 30 builder.SetInsertPoint(b); |
| 1 | 31 } |
| 32 | |
| 33 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 34 IRState::IRState() | |
| 35 { | |
| 36 dmodule = 0; | |
| 37 module = 0; | |
| 38 emitMain = false; | |
| 39 mainFunc = 0; | |
| 40 | 40 ir.state = this; |
|
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[svn r86] Changed the way arguments are given storage. It is now detected if they will need it during semantic passes.
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41 dwarfCompileUnit = 0; |
| 40 | 42 } |
| 43 | |
| 44 IRFunction& IRState::func() | |
| 45 { | |
| 46 assert(!functions.empty() && "Function stack is empty!"); | |
| 47 return functions.back(); | |
| 1 | 48 } |
| 49 | |
| 50 llvm::Function* IRState::topfunc() | |
| 51 { | |
| 40 | 52 assert(!functions.empty() && "Function stack is empty!"); |
| 53 return functions.back().func; | |
| 1 | 54 } |
| 55 | |
| 56 TypeFunction* IRState::topfunctype() | |
| 57 { | |
| 40 | 58 assert(!functions.empty() && "Function stack is empty!"); |
| 59 return functions.back().type; | |
| 1 | 60 } |
| 61 | |
| 62 llvm::Instruction* IRState::topallocapoint() | |
| 63 { | |
| 40 | 64 assert(!functions.empty() && "AllocaPoint stack is empty!"); |
| 65 return functions.back().allocapoint; | |
| 1 | 66 } |
| 67 | |
| 68 IRStruct& IRState::topstruct() | |
| 69 { | |
| 70 assert(!structs.empty() && "Struct vector is empty!"); | |
| 71 return structs.back(); | |
| 72 } | |
| 73 | |
|
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[svn r58] Fixed cond expression resulting in a non-basic type.
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74 IRExp* IRState::topexp() |
| 1 | 75 { |
|
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76 return exps.empty() ? NULL : &exps.back(); |
| 1 | 77 } |
| 78 | |
| 79 IRScope& IRState::scope() | |
| 80 { | |
| 81 assert(!scopes.empty()); | |
| 82 return scopes.back(); | |
| 83 } | |
| 84 | |
| 85 llvm::BasicBlock* IRState::scopebb() | |
| 86 { | |
| 87 return scopebegin(); | |
| 88 } | |
| 89 llvm::BasicBlock* IRState::scopebegin() | |
| 90 { | |
| 91 IRScope& s = scope(); | |
| 92 assert(s.begin); | |
| 93 return s.begin; | |
| 94 } | |
| 95 llvm::BasicBlock* IRState::scopeend() | |
| 96 { | |
| 97 IRScope& s = scope(); | |
| 98 assert(s.end); | |
| 99 return s.end; | |
| 100 } | |
| 101 bool IRState::scopereturned() | |
| 102 { | |
|
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[svn r18] * Initial support for switch statements - No string switches yet.
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103 //return scope().returned; |
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[svn r18] * Initial support for switch statements - No string switches yet.
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104 return !scopebb()->empty() && scopebb()->back().isTerminator(); |
| 1 | 105 } |
| 106 | |
| 107 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 108 | |
| 109 IRStruct::IRStruct() | |
| 110 : recty(llvm::OpaqueType::get()) | |
| 111 { | |
| 112 type = 0; | |
|
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[svn r35] * Attributes on struct fields/methods now work
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113 queueFuncs = true; |
| 1 | 114 } |
| 115 | |
| 6 | 116 IRStruct::IRStruct(Type* t) |
| 1 | 117 : recty(llvm::OpaqueType::get()) |
| 118 { | |
| 119 type = t; | |
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120 queueFuncs = true; |
| 1 | 121 } |
| 122 | |
| 40 | 123 ////////////////////////////////////////////////////////////////////////////////////////// |
| 124 | |
| 125 IRFinally::IRFinally() | |
| 126 { | |
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3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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127 bb = 0; |
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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128 retbb = 0; |
| 40 | 129 } |
| 130 | |
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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131 IRFinally::IRFinally(llvm::BasicBlock* b, llvm::BasicBlock* rb) |
| 1 | 132 { |
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133 bb = b; |
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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134 retbb = rb; |
| 1 | 135 } |
| 40 | 136 |
| 137 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 138 | |
| 139 LLVMBuilder* IRBuilderHelper::operator->() | |
| 140 { | |
| 141 LLVMBuilder& b = state->scope().builder; | |
| 142 assert(b.GetInsertBlock() != NULL); | |
| 143 return &b; | |
| 144 } | |
| 145 | |
| 146 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 147 | |
| 148 IRFunction::IRFunction(FuncDeclaration* fd) | |
| 149 { | |
| 150 decl = fd; | |
|
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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151 Type* t = DtoDType(fd->type); |
| 40 | 152 assert(t->ty == Tfunction); |
| 153 type = (TypeFunction*)t; | |
| 154 func = NULL; | |
| 155 allocapoint = NULL; | |
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156 finallyretval = NULL; |
| 40 | 157 } |
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158 |
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159 ////////////////////////////////////////////////////////////////////////////////////////// |
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160 |
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161 IRExp::IRExp() |
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162 { |
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163 e1 = e2 = NULL; |
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164 v = NULL; |
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165 } |
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166 |
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[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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167 IRExp::IRExp(Expression* l, Expression* r, DValue* val) |
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168 { |
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169 e1 = l; |
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170 e2 = r; |
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171 v = val; |
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172 } |