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bbb75718b2
There is a one-to-one relationship between X86Subtarget and X86FrameLowering, but every frame lowering method would previously pull the subtarget off the MachineFunction and query some subtarget properties. Over time, these locals began to grow in complexity and it became important to keep their names and meaning in sync across all of the frame lowering methods, leading to duplication. We can eliminate that duplication by computing them once in the constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239948 91177308-0d34-0410-b5e6-96231b3b80d8
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