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Commit 289ba4f3 authored by Evan Cheng's avatar Evan Cheng
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Avoid commuting a def MI in order to coalesce a copy instruction away if any...

Avoid commuting a def MI in order to coalesce a copy instruction away if any use of the same val# is a copy instruction that has already been coalesced.

llvm-svn: 48833
parent 358e04a1
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