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Commit bbd1c727 authored by Pete Cooper's avatar Pete Cooper
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Refactor UpdatePredRedefs and StepForward to avoid duplication. NFC 

The code was basically the same here already.  Just added an out parameter for a vector of seen defs so that UpdatePredRedefs can call StepForward first, then do its own post processing on the seen defs.

Will be used in the next commit to also handle regmasks.

llvm-svn: 236514
parent 32a0bee2
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