[PATCH] D143445: [RISCV] Refactor RISCVDisassembler::getInstruction to remove repeated code. NFC

[Craig Topper via Phabricator via llvm-commits]

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For 4 byte instructions we were always setting size to 4 eventually. Same
for 2 byte instructions. So do it as soon as we know the from the opcode.

Add a return to the end of the 4 byte code so we don't have to have an else
around the 2 byte code.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143445

Files:
  llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp

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