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Revert LIS handling in MachineDCE

Description

Revert LIS handling in MachineDCE

One of out of tree targets has regressed with this patch. Reverting
it for now and let liveness to be fully reconstructed in case pass
was used after the LIS is created to resolve the regression.

Differential Revision: https://reviews.llvm.org/D60466

Details

Committed
rampitecApr 9 2019, 9:13 AM
Differential Revision
D60466: Revert LIS handling in MachineDCE
Parents
rL358014: [ValueTracking] Use computeConstantRange() in signed add overflow determination
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