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6 Commits

Author SHA1 Message Date
Chris Lattner 09e3b65a99 "This patch adds a virtual call to AbstractLatticeFunction to derive a 
type lattice value for an Argument*, giving clients the opportunity to
use something other than Top for it if they choose to."

Patch by John McCall!

llvm-svn: 54589
 2008-08-09 17:23:35 +00:00
Dan Gohman a61379eeea Use Function::getEntryBlock instead of Function::begin, for clarity. 
llvm-svn: 51613
 2008-05-27 20:55:29 +00:00
Dan Gohman 3ec5520286 Print debug output when any edge becomes executable, including 
the first visited edge.

llvm-svn: 51612
 2008-05-27 20:47:30 +00:00
Chris Lattner f479856957 Add a bool to isEdgeFeasible that tells it whether to treat unknown 
value as undef or untracked.

llvm-svn: 51295
 2008-05-20 03:39:39 +00:00
Chris Lattner 9fdb814a56 prune #includes. 
llvm-svn: 50962
 2008-05-12 01:13:53 +00:00
Chris Lattner 5287765d1a Add a new SparsePropagation analysis utility, which allows you to do 
SCCP like sparse lattice analysis with relative ease.  Just pick your
lattice function and implement the transfer function and you're good.
Just make sure you don't break monotonicity ;-)

llvm-svn: 50961
 2008-05-12 01:12:24 +00:00