Dan Gohman f94b5edc45 Extend CaptureTracking to indicate when a value is never stored, even ...

if it is not ultimately captured. Teach BasicAliasAnalysis that a 
local object address which does not escape and is never stored does
not alias with a value resulting from a load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89398 91177308-0d34-0410-b5e6-96231b3b80d8

2009-11-19 21:57:48 +00:00

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