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6ef7da0197
This makes global live range splitting behave identically with and without register mask operands. This is not necessarily the best way of using register masks for live range splitting. It would be more efficient to first split global live ranges around calls (i.e., register masks), and reserve the fine grained per-physreg interference guidance for global live ranges that do not cross calls. For now the goal is to produce identical assembly when enabling register masks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150259 91177308-0d34-0410-b5e6-96231b3b80d8
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