[PATCH] D24208: [WIP] MIR: Support parsing of liveins with lane masks

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: MatzeB.
arsenm added a subscriber: llvm-commits.
Herald added a reviewer: tstellarAMD.
Herald added subscribers: nhaehnle, wdng.

This currently breaks some tests because currently hex constants are treated as floating point. I'm not sure what change should be made to support both, but I think it would be greatly preferable to switch to normal hex constants to be integers and only use c99 hex syntax for FP immediates

https://reviews.llvm.org/D24208

Files:
  lib/CodeGen/MIRParser/MILexer.cpp
  lib/CodeGen/MIRParser/MIParser.cpp
  lib/CodeGen/MIRPrinter.cpp
  test/CodeGen/MIR/AMDGPU/lane-mask-livein.mir

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