1 Commits

Author	SHA1	Message	Date
Chris Lattner	4a34461d64	Split up subtracts into add+negate if they have a reassociable use or operand ... that is also a subtract. This implements PR2047 and Transforms/Reassociate/subtest2.ll llvm-svn: 47241	2008-02-17 20:51:26 +00:00