[LLVMdev] hacking clang IdentifierTable

[Yabin Hu]

Hi all，

Clang use a hash table to store all its identifiers. The hash table
definition is:

typedef llvm::StringMap<IdentifierInfo*, llvm::BumpPtrAllocator>
HashTableTy;
HashTableTy HashTable;

Can anyone explain the mechnism of handling the name string key collision
for me? Is there a IdentifierInfo objects chain or list for
variable or function with the same name?

Thanks very much!


Yabin
-- 
The question is how do you generate these offline annotations and how
expensive and accurate they are and why they are usefil in which
applications?
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