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4 Commits

Author SHA1 Message Date
Shuxin Yang
69bd41dfe3 Revert r193251 : Use address-taken to disambiguate global variable and indirect memops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193489 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-27 03:08:44 +00:00
Shuxin Yang
8e3851a6eb Use address-taken to disambiguate global variable and indirect memops. 
Major steps include:
 1). introduces a not-addr-taken bit-field in GlobalVariable
 2). GlobalOpt pass sets "not-address-taken" if it proves a global varirable 
    dosen't have its address taken.
 3). AA use this info for disambiguation. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193251 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-23 17:28:19 +00:00
Rafael Espindola
c4440e3e30 Add unnamed_addr when we can show that address of a global is not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123834 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-19 16:32:21 +00:00
Victor Hernandez
3a73bb38ba Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 18:07:17 +00:00