1 //===- llvm/Metadata.def - Metadata definitions -----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Macros for running through all types of metadata.
12 //===----------------------------------------------------------------------===//
14 #if !(defined HANDLE_METADATA || defined HANDLE_METADATA_LEAF || \
15 defined HANDLE_METADATA_BRANCH || defined HANDLE_UNIQUABLE_LEAF || \
16 defined HANDLE_UNIQUABLE_BRANCH)
17 #error "Missing macro definition of HANDLE_METADATA*"
20 // Handler for all types of metadata.
21 #ifndef HANDLE_METADATA
22 #define HANDLE_METADATA(CLASS)
25 // Handler for leaf nodes in the class hierarchy.
26 #ifndef HANDLE_METADATA_LEAF
27 #define HANDLE_METADATA_LEAF(CLASS) HANDLE_METADATA(CLASS)
30 // Handler for non-leaf nodes in the class hierarchy.
31 #ifndef HANDLE_METADATA_BRANCH
32 #define HANDLE_METADATA_BRANCH(CLASS) HANDLE_METADATA(CLASS)
35 // Handler for leaf nodes under UniquableMDNode.
36 #ifndef HANDLE_UNIQUABLE_LEAF
37 #define HANDLE_UNIQUABLE_LEAF(CLASS) HANDLE_METADATA_LEAF(CLASS)
40 // Handler for non-leaf nodes under UniquableMDNode.
41 #ifndef HANDLE_UNIQUABLE_BRANCH
42 #define HANDLE_UNIQUABLE_BRANCH(CLASS) HANDLE_METADATA_BRANCH(CLASS)
45 HANDLE_METADATA_LEAF(MDString)
46 HANDLE_METADATA_BRANCH(ValueAsMetadata)
47 HANDLE_METADATA_LEAF(ConstantAsMetadata)
48 HANDLE_METADATA_LEAF(LocalAsMetadata)
49 HANDLE_METADATA_BRANCH(MDNode)
50 HANDLE_METADATA_LEAF(MDNodeFwdDecl)
51 HANDLE_UNIQUABLE_BRANCH(UniquableMDNode)
52 HANDLE_UNIQUABLE_LEAF(MDTuple)
54 #undef HANDLE_METADATA
55 #undef HANDLE_METADATA_LEAF
56 #undef HANDLE_METADATA_BRANCH
57 #undef HANDLE_UNIQUABLE_LEAF
58 #undef HANDLE_UNIQUABLE_BRANCH