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Commit bdbb8af7 authored by Richard Sandiford's avatar Richard Sandiford
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[SystemZ] Split out comparison elimination into a separate pass

Perhaps predictably, doing comparison elimination on the fly during
SystemZLongBranch turned out to be a bad idea.  The next patches make
use of LOAD AND TEST and BRANCH ON COUNT, both of which require
changes to earlier instructions.

No functionality change intended.

llvm-svn: 187718
parent 40864b69
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