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LSR reassociates small constants that fit into add immediate operands as unfolded offset. Since unfolded offset is not combined with loop-invariant registers, LSR does not consider solutions that bump invariant registers by these constants outside the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@341835 91177308-0d34-0410-b5e6-96231b3b80d8