Mercurial > projects > ldc
annotate ir/irsymbol.h @ 1047:6bb04dbee21f
Some calling convention work for x86-64:
- Implement x86-64 extern(C), hopefully correctly.
- Tried to be a bit smarter about extern(D) while I was there.
Interestingly, this code seems to be generating more efficient code than
gcc and llvm-gcc in some edge cases, like returning a `{ [7 x i8] }` loaded from
a stack slot from an extern(C) function. (gcc generates 7 1-byte loads, while
this code generates a 4-byte, a 2-byte and a 1-byte load)
I also added some changes to make sure structs being returned from functions or
passed in as parameters are stored in memory where the rest of the backend seems
to expect them to be. These should be removed when support for first-class
aggregates improves.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Fri, 06 Mar 2009 16:00:47 +0100 |
parents | eef8ac26c66c |
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rev | line source |
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Some missed LLVMDC -> LDC.
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1 #ifndef LDC_IR_IRSYMBOL_H |
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2 #define LDC_IR_IRSYMBOL_H |
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3 |
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4 #include <set> |
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5 |
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6 struct IrModule; |
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7 struct IrFunction; |
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8 struct IrStruct; |
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9 struct IrGlobal; |
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10 struct IrLocal; |
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11 struct IrField; |
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12 struct IrVar; |
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13 struct Dsymbol; |
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14 |
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15 namespace llvm { |
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16 struct Value; |
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17 } |
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18 |
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19 struct IrDsymbol |
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20 { |
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21 static std::set<IrDsymbol*> list; |
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22 static void resetAll(); |
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23 |
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24 // overload all of these to make sure |
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25 // the static list is up to date |
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26 IrDsymbol(); |
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27 IrDsymbol(const IrDsymbol& s); |
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28 ~IrDsymbol(); |
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29 |
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30 void reset(); |
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31 |
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32 Module* DModule; |
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33 |
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34 bool resolved; |
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35 bool declared; |
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36 bool initialized; |
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37 bool defined; |
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38 |
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39 IrModule* irModule; |
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40 |
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41 IrStruct* irStruct; |
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42 |
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43 IrFunction* irFunc; |
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44 |
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45 IrGlobal* irGlobal; |
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46 IrLocal* irLocal; |
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47 IrField* irField; |
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48 IrVar* getIrVar(); |
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49 llvm::Value*& getIrValue(); |
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50 |
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51 bool isSet(); |
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52 }; |
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53 |
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54 #endif |