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with the VST4 instructions. Until after register allocation, we want to represent sets of adjacent registers by a single super-register. These VST4 pseudo instructions have a single QQ or QQQQ source register operand. They get expanded to the real VST4 instructions with 4 separate D register operands. Once this conversion is complete, we'll be able to remove the NEONPreAllocPass and avoid some fragile and hacky code elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112108 91177308-0d34-0410-b5e6-96231b3b80d8
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