e5642812d3
implement the first stab at caching queries. This isn't correct
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(because the invalidation logic is missing) but LVI isn't enabled
by default anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88867 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 20:00:52 +00:00
2c5adf832a
refactor a bunch of code forming the new LazyValueInfoCache
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and LVIQuery classes, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 19:59:49 +00:00
f496e79f44
various fixes to the lattice transfer functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12 04:57:13 +00:00
b52675b643
Add a new getPredicateOnEdge method which returns more rich information for
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constant constraints. Improve the LVI lattice to include inequality
constraints.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86950 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12 04:36:58 +00:00
38392bbeb8
expose edge information and switch j-t to use it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12 01:29:10 +00:00
b8c124c343
move some stuff into DEBUG's and turn on lazy-value-info for
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the basic.ll testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12 01:22:16 +00:00
1697652922
make LazyValueInfo actually to some stuff. This isn't very tested but improves
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strswitch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11 22:48:44 +00:00
cc4d3b25f3
stub out some LazyValueInfo interfaces, and have JumpThreading
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start using them in a trivial way when -enable-jump-threading-lvi
is passed. enable-jump-threading-lvi will be my playground for
awhile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86789 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11 02:08:33 +00:00
10f2d13d58
Stub out a new lazy value info pass, which will eventually
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vend value constraint information to the optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86767 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11 00:22:30 +00:00
