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Author SHA1 Message Date
George Burgess IV 6d30aa03a0 [CFLAA] Add an initial CFLAnders implementation. 
This adds an incomplete anders-style implementation for CFLAA. It's
incomplete in that it's missing interprocedural analysis, attrs
handling, etc. and that it needs more tests. More tests and features
will be added in future commits.

Patch by Jia Chen.

Differential Revision: https://reviews.llvm.org/D22291

llvm-svn: 275602
 2016-07-15 19:53:25 +00:00
George Burgess IV 1cbd039234 Attempt to make buildbots happy. 
Woohoo, unused variable warnings in builds without asserts (as a result
of r275122).

llvm-svn: 275126
 2016-07-11 23:18:32 +00:00
George Burgess IV de1be7171a [CFLAA] Simplify CFLGraphBuilder. NFC. 
This patch simplifies the graph builder by encoding nodes as {Value,
Dereference Level} pairs. This lets us kill edge types, and allows us to
get rid of hacks in StratifiedSets (like addAttrsBelow/...). This
simplification also allows us to remove InstantiatedRelations and
InstantiatedAttrs.

Patch by Jia Chen.

Differential Revision: http://reviews.llvm.org/D22080

llvm-svn: 275122
 2016-07-11 22:59:09 +00:00
George Burgess IV c294d0dcc2 [CFLAA] Move the graph builder out from CFLSteens. NFC. 
Patch by Jia Chen.

Differential Revision: http://reviews.llvm.org/D22022

llvm-svn: 274958
 2016-07-09 02:54:42 +00:00
George Burgess IV e191996a57 [CFLAA] Split out more things from CFLSteens. NFC. 
"More things" = StratifiedAttrs and various bits like interprocedural
summaries.

Patch by Jia Chen.

Differential Revision: http://reviews.llvm.org/D21964

llvm-svn: 274592
 2016-07-06 00:47:21 +00:00
George Burgess IV 1ca8affb24 [CFLAA] Split the CFL graph out from CFLSteens. NFC. 
Patch by Jia Chen.

Differential Revision: http://reviews.llvm.org/D21963

llvm-svn: 274591
 2016-07-06 00:36:12 +00:00