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annotate gen/metadata.h @ 1316:8c65217be813

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Work around an LLVM bug by not referring to globals from metadata. This was only used for consistency checking anyway. For the LLVM bug, see http://llvm.org/PR4180 / http://llvm.org/PR4046
author Frits van Bommel <fvbommel wxs.nl>
date Fri, 08 May 2009 16:00:44 +0200
parents 875afb7a93b6
children 4099548c80e0
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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 is disabled for now due to an LLVM bug when MDNodes contain
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19 // globals (see http://llvm.org/PR4180 / http://llvm.org/PR4046 )
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20 TD_Confirm = -1,/// The TypeInfo this node is for.
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21
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22 TD_Type, /// A value of the LLVM type corresponding to this D type
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23
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24 // Must be kept last:
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25 TD_NumFields /// The number of fields in TypeInfo metadata
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26 };
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27
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28 #endif
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29
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30 #endif