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Author SHA1 Message Date
Dale Johannesen a94e36bbee Reapply 122353-122355 with fixes. 122354 was wrong; 
the shift type was needed one place, the shift count
type another.  The transform in 123555 had the same
problem.

llvm-svn: 122366
 2010-12-21 21:55:50 +00:00
Dale Johannesen 87c47499c6 Revert 122353-122355 for the moment, they broke stuff. 
llvm-svn: 122360
 2010-12-21 21:22:27 +00:00
Dale Johannesen fa5dc82fda Get the type of a shift from the shift, not from its shift 
count operand.  These should be the same but apparently are
not always, and this is cleaner anyway.  This improves the
code in an existing test.

llvm-svn: 122354
 2010-12-21 20:06:19 +00:00
Chris Lattner 15090e1eb0 take care of some todos, transforming [us]mul_lohi into 
a wider mul if the wider mul is legal.

llvm-svn: 121848
 2010-12-15 06:04:19 +00:00
Chris Lattner c3301e970c merge two tests 
llvm-svn: 121847
 2010-12-15 05:58:59 +00:00
Chris Lattner 8e21a02c19 rename test 
llvm-svn: 121697
 2010-12-13 08:39:40 +00:00