Chris Lattner
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0b0803ae15
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47241 91177308-0d34-0410-b5e6-96231b3b80d8
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2008-02-17 20:51:26 +00:00 |
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