[PATCH] D14257: [AsmParser] Generalize matching for grammars without mnemonic-lead statements.

[Colin LeMahieu via llvm-commits]

colinl created this revision.
colinl added reviewers: sidneym, mcrosier.
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Right now one of the assumptions from tablegen and the asm matcher is that instruction statements are lead by a mnemonic.  Hexagon doesn't follow this assumption and even trivial instructions like a register transfer

r0 = r1

Breaks tablegen when generating match tables.

Repository:
  rL LLVM

http://reviews.llvm.org/D14257

Files:
  utils/TableGen/AsmMatcherEmitter.cpp

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