Dan Gohman
cd5c123a1d
Teach memdep to use pointsToConstantMemory to determine that loads
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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.
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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.
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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
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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.
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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.
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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
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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
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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.
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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
