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2d4c98d79b
flag rotate left word immediate then mask insert (rlwimi) as a two-address instruction, and update the ISel usage of the instruction accordingly. This will allow us to properly schedule rlwimi, and use it to efficiently codegen bitfield operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17068 91177308-0d34-0410-b5e6-96231b3b80d8
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