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Introduce MetadataBase, a base class for MDString and MDNode.

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Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-07-22 17:43:22 +00:00
parent dbe77cfa0b
commit e54abc90fe
16 changed files with 231 additions and 130 deletions
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7
include/llvm/Bitcode/LLVMBitCodes.h
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@ -33,7 +33,8 @@ namespace bitc {
CONSTANTS_BLOCK_ID,
FUNCTION_BLOCK_ID,
TYPE_SYMTAB_BLOCK_ID,
VALUE_SYMTAB_BLOCK_ID
VALUE_SYMTAB_BLOCK_ID,
METADATA_BLOCK_ID
};
@ -106,6 +107,9 @@ namespace bitc {
VST_CODE_BBENTRY = 2 // VST_BBENTRY: [bbid, namechar x N]
};
enum MetadataCodes {
METADATA_STRING = 1 // MDString: [values]
};
// The constants block (CONSTANTS_BLOCK_ID) describes emission for each
// constant and maintains an implicit current type value.
enum ConstantsCodes {
@ -128,7 +132,6 @@ namespace bitc {
CST_CODE_CE_CMP = 17, // CE_CMP: [opty, opval, opval, pred]
CST_CODE_INLINEASM = 18, // INLINEASM: [sideeffect,asmstr,conststr]
CST_CODE_CE_SHUFVEC_EX = 19, // SHUFVEC_EX: [opty, opval, opval, opval]
CST_CODE_MDSTRING = 20, // MDSTRING: [values]
CST_CODE_MDNODE = 21 // MDNODE: [n x (type num, value num)]
};