[PATCH] D94777: [AMDGPU][MC] Refactored parsing of dpp ctrl

[Dmitry Preobrazhensky via Phabricator via llvm-commits]

dp created this revision.
dp added a reviewer: rampitec.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, arsenm.
dp requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Summary of changes:

- simplified code to improve maintainability;
- replaced lex() with higher level parser functions;
- improved errors handling.


https://reviews.llvm.org/D94777

Files:
  llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
  llvm/test/MC/AMDGPU/gfx10_err_pos.s
  llvm/test/MC/AMDGPU/regression/bug28538.s

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