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LiveVariables: Do not remove dead flags from vreg operands

Authored by MatzeB on Mar 28 2016, 8:08 PM.

Description

LiveVariables: Do not remove dead flags from vreg operands

Also add a FIXME comment on why Mips RDDSP causes bogus dead flags to be
added which LiveVariables cleans up by accident.

llvm-svn: 264695

Details

Committed
MatzeBMar 28 2016, 8:08 PM
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rG3c8edde1411d: [clang-tidy] Add performance check to flag function parameters of expensive to…
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