[PATCH] D72047: Add an interface emitPrefix for MCCodeEmitter

[Kan Shengchen via Phabricator via llvm-commits]

skan created this revision.
skan added reviewers: craig.topper, LuoYuanke, annita.zhang, tianqing.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

We need to emit the prefixes of instructions only in some condition,  so the code of emtting prefixes is extracted out from the function `encodeInstruction`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D72047

Files:
  llvm/include/llvm/MC/MCCodeEmitter.h
  llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp

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