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annotate gen/metadata.h @ 1291:875afb7a93b6

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Factor out some constants into the header so producers and consumers of metadata stay in sync (and are more readable).
author Frits van Bommel <fvbommel wxs.nl>
date Sat, 02 May 2009 20:42:58 +0200
parents 5851c18e4c6d
children 8c65217be813
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5851c18e4c6d Add metadata for TypeInfo -> llvm::Type mapping.
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1 #ifndef LDC_GEN_METADATA_H
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2 #define LDC_GEN_METADATA_H
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3
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4 #include "gen/llvm-version.h"
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5
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6 #if LLVM_REV >= 68420
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7 // Yay, we have metadata!
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8
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9 #define USE_METADATA
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10 #define METADATA_LINKAGE_TYPE llvm::GlobalValue::WeakODRLinkage
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11
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12 // *** Metadata for TypeInfo instances ***
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13 #define TD_PREFIX "llvm.ldc.typeinfo."
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14
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15 /// The fields in the metadata node for a TypeInfo instance.
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16 /// (Its name will be TD_PREFIX ~ <Name of TypeInfo global>)
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17 enum TypeDataFields {
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18 TD_Confirm, /// The TypeInfo this node is for
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19 TD_Type, /// A value of the LLVM type corresponding to this D type
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20
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21 // Must be kept last:
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22 TD_NumFields /// The number of fields in TypeInfo metadata
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23 };
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24
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25 #endif
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26
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27 #endif