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Author SHA1 Message Date
Chris Lattner c1f19071f8 rename SimplifyCompare -> SimplifyCmpInst and split it into 
Simplify[IF]Cmp pieces.  Add some predicates to CmpInst to 
determine whether a predicate is fp or int.

llvm-svn: 86624
 2009-11-09 23:28:39 +00:00
Chris Lattner cdfb80de16 fix ConstantFoldCompareInstOperands to take the LHS/RHS as 
individual operands instead of taking a temporary array

llvm-svn: 86619
 2009-11-09 23:06:58 +00:00
Chris Lattner 084a1b5581 stub out a new libanalysis "instruction simplify" interface that 
takes decimated instructions and applies identities to them.  This
is pretty minimal at this point, but I plan to pull some instcombine
logic out into these and similar routines.

llvm-svn: 86613
 2009-11-09 22:57:59 +00:00