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	Commit message (Collapse)	Author	Age	Files	Lines
*	Make SCEVUnknown a CallbackVH, so that it can be notified directly	Dan Gohman	2010-08-02	2	-0/+97
\| \| \| \| \| \| \| \| \| \| \| \|	of Value deletions and RAUWs, instead of relying on ScalarEvolution's Scalars map being notified, as that's complicated at best, and insufficient in general. This means SCEVUnknown needs a non-trivial destructor, so introduce a mechanism to allow ScalarEvolution to locate all the SCEVUnknowns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110086 91177308-0d34-0410-b5e6-96231b3b80d8
*	Speculatively revert r109705 since it seems to be causing some build bot	Eric Christopher	2010-07-29	2	-93/+0
\| \| \| \| \| \| \|	angst. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109718 91177308-0d34-0410-b5e6-96231b3b80d8
*	Factor out some of the code for updating old SCEVUnknown values, and	Dan Gohman	2010-07-29	2	-0/+93
	extend it to handle the case where multiple RAUWs affect a single SCEVUnknown. Add a ScalarEvolution unittest to test for this situation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109705 91177308-0d34-0410-b5e6-96231b3b80d8