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Commit 9e3e14b5 authored by Jun Bum Lim's avatar Jun Bum Lim
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[PostRASink] extend the live-in check for all aliased registers 

Extend the live-in check for all aliased registers so that we can
allow sinking Copy instructions when only implicit def is in successor's
live-in.

llvm-svn: 331072
parent 27fe8a50
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