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path: root/lib/Analysis/LazyValueInfo.cpp
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2009-12-23Convert debug messages to use dbgs(). Generally this meansDavid Greene
s/errs/dbgs/g except for certain special cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16typo spotted by duncan.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88884 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15teach LVI to infer edge information from switch instructions.Chris Lattner
This allows JT to eliminate a ton of infeasible edges when handling code like the templates in PatternMatch.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15fix a logic error that would cause LVI-JT to miscompileChris Lattner
some conditionals git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88868 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15implement the first stab at caching queries. This isn't correctChris Lattner
(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
2009-11-15refactor a bunch of code forming the new LazyValueInfoCacheChris Lattner
and LVIQuery classes, no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12various fixes to the lattice transfer functions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Add a new getPredicateOnEdge method which returns more rich information forChris Lattner
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
2009-11-12expose edge information and switch j-t to use it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12move some stuff into DEBUG's and turn on lazy-value-info forChris Lattner
the basic.ll testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11make LazyValueInfo actually to some stuff. This isn't very tested but improvesChris Lattner
strswitch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11stub out some LazyValueInfo interfaces, and have JumpThreadingChris Lattner
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
2009-11-11Stub out a new lazy value info pass, which will eventuallyChris Lattner
vend value constraint information to the optimizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86767 91177308-0d34-0410-b5e6-96231b3b80d8
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