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103 Commits

Author SHA1 Message Date
Michael Gottesman
de48699d49 [sil-aa] Teach SILAA how to prove that two GEPs from the same base pointer with the same projections must alias. 
Swift SVN r13768
 2014-02-11 00:55:09 +00:00
Michael Gottesman
3a1d46d145 [sil-code-motion] Refactor out the address projection path computation from findExtractPathBetweenValues to a new function findAddressProjectionPathBetweenValues and wire up the old method to use the results of the refactored method. 
This is in preparation for using the refactored functionality in Alias
Analysis's address projection disambiguation code.

Swift SVN r13765
 2014-02-11 00:09:15 +00:00
Michael Gottesman
5b3423308d Refactor out the class Projection class into its own header swift/SIL/Projection.h. 
This class allows you to deal with tuple and nominal projections in a way that
is agnostic of either of them.

Expect some incoming utilities based off of this for dealing with what I call
'aggregate type trees'.

Swift SVN r13735
 2014-02-10 05:07:36 +00:00