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Begin adding experimental support for preserving use-list ordering of bitcode

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files.  First, add a new block USELIST_BLOCK to the bitcode format.  This is 
where USELIST_CODE_ENTRYs will be stored.  The format of the USELIST_CODE_ENTRYs
have not yet been defined.  Add support in the BitcodeReader for parsing the
USELIST_BLOCK.
Part of rdar://9860654 and PR5680.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146078 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2011-12-07 21:44:12 +00:00
parent e77ae2d692
commit cbbb09687f
4 changed files with 85 additions and 1 deletions
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2
lib/Bitcode/Reader/BitcodeReader.h
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@ -135,6 +135,7 @@ class BitcodeReader : public GVMaterializer {
BitcodeReaderValueList ValueList;
BitcodeReaderMDValueList MDValueList;
SmallVector<Instruction *, 64> InstructionList;
SmallVector<SmallVector<uint64_t, 64>, 64> UseListRecords;
std::vector<std::pair<GlobalVariable*, unsigned> > GlobalInits;
std::vector<std::pair<GlobalAlias*, unsigned> > AliasInits;
@ -268,6 +269,7 @@ private:
bool ParseMetadata();
bool ParseMetadataAttachment();
bool ParseModuleTriple(std::string &Triple);
bool ParseUseLists();
};
} // End llvm namespace