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a602c10686
In case CSE reuses a previoulsy unused register the dead-def flag has to be cleared on the def operand, as exposed by the arm64-cse.ll test. This fixes PR22439 and the corresponding rdar://19694987 Differential Revision: http://reviews.llvm.org/D7395 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228178 91177308-0d34-0410-b5e6-96231b3b80d8
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