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7 Commits

Author SHA1 Message Date
Bill Wendling
d5cc8b81ca FileCheck-ize these tests. Harden some of them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155432 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-24 09:15:38 +00:00
Dan Gohman
5f1312c36e Reapply r131781, now that the GVN bug with partially-aliasing loads 
is disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132632 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 06:50:18 +00:00
Dan Gohman
9a9d218ed0 Revert r131781 again. Apparently there is more going on here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 05:11:22 +00:00
Dan Gohman
c122c625ce Reapply r131781 (revert r131809), now that some BasicAA shortcomings 
it exposed are fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132611 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 00:46:31 +00:00
Duncan Sands
d22920aae8 Revert commit 131781, to see if it fixes the x86-64 dragonegg buildbot. 
Original log message:
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131809 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-21 20:54:46 +00:00
Dan Gohman
424b777171 When BasicAA can determine that two pointers have the same base but 
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131781 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-21 01:05:08 +00:00
Eli Friedman
39e30124e5 PR7959: Handle negative scales in GEPs correctly in BasicAA for non-64-bit 
targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-15 20:08:03 +00:00