[PATCH] D57713: [WebAssembly] Make disassembler always emit most canonical name.

[Wouter van Oortmerssen via Phabricator via llvm-commits]

aardappel created this revision.
aardappel added reviewers: dschuff, tlively.
Herald added subscribers: llvm-commits, aheejin, jgravelle-google, sbc100.
Herald added a project: LLVM.

There are a few instructions that all map to the same opcode, so
when disassembling, we have to pick one. That was just the first one
before (the except_ref variant in the case of "call"), now it is the
one marked as IsCanonical in tablegen, or failing that, the shortest
name (which is typically the "canonical" one).

Also introduced a canonical "end" instruction for this purpose.


Repository:
  rL LLVM

https://reviews.llvm.org/D57713

Files:
  lib/Target/WebAssembly/WebAssemblyInstrCall.td
  lib/Target/WebAssembly/WebAssemblyInstrControl.td
  lib/Target/WebAssembly/WebAssemblyInstrFormats.td
  lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
  test/MC/Disassembler/WebAssembly/wasm.txt
  test/MC/WebAssembly/objdump.s
  utils/TableGen/WebAssemblyDisassemblerEmitter.cpp

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