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22 Commits

Author SHA1 Message Date
Dan Gohman
a4bdf2ea48 -enable-tbaa is on by default now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 02:53:48 +00:00
Dan Gohman
387f28aff4 Make memcpyopt TBAA-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121944 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 02:51:19 +00:00
Dan Gohman
0f7f194416 Reapply r121520, PartialAlias implementation for BasicAA, now that 
memdep is updated to handle it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121725 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-13 22:50:24 +00:00
Dan Gohman
839c092548 Revert r121520, which may have introduced miscompilations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:48:28 +00:00
Dan Gohman
3bd5e52676 Implement PartialAlias checking in BasicAA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121520 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:47:03 +00:00
Dan Gohman
32d1fe52e2 Delete unneeded ssp attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:08:46 +00:00
Dan Gohman
56653f0df8 TBAA-enable ArgumentPromotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:09:32 +00:00
Dan Gohman
5aae3dcb53 Make Sink tbaa-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:21:47 +00:00
Dan Gohman
f00833c401 Add a testcase which demonstrates alias analysis pass precedence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 01:03:30 +00:00
Dan Gohman
733c54da1e Fully invalidate cached results when a prior query's size or 
type is insufficient for, or incompatible with, the current query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 21:45:11 +00:00
Dan Gohman
4cf0dcfb44 Teach FunctionAttrs about the VAArg instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 20:17:38 +00:00
Dan Gohman
e5dd6624ea Add a testcase for a call which BasicAA says only accesses memory through 
its arguments and which TBAA says doesn't write to memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 20:20:11 +00:00
Dan Gohman
ea8900f5df Make FunctionAttrs TBAA-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118417 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 17:12:04 +00:00
Dan Gohman
cd5c123a1d Teach memdep to use pointsToConstantMemory to determine that loads 
from constant memory don't alias any stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 01:14:04 +00:00
Dan Gohman
b338bcb0b4 Add a basic testcase for TBAA-aware DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117632 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:54:02 +00:00
Dan Gohman
561ac17d20 Add some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116957 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 22:04:02 +00:00
Dan Gohman
fb8096dee5 Don't pass the raw invalid pointer used to represent conflicting 
TBAA information to AliasAnalysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 21:28:00 +00:00
Dan Gohman
992ac3e6c6 Add a basic testcase for TBAA-aware LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 21:00:09 +00:00
Dan Gohman
bdcbf6152b Run tbaa before basicaa, since that's how it's expected to be used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:45:59 +00:00
Dan Gohman
01b58f637c Make TypeBasedAliasAnalysis default to doing nothing, with a command-line 
option to enable it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:17:47 +00:00
Dan Gohman
c1be92f3bb Make BasicAliasAnalysis a normal AliasAnalysis implementation which 
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:04:47 +00:00
Dan Gohman
c015723131 Add a simple testcase for tbaa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 23:54:13 +00:00