[PATCH] D64705: Add missing utility methods for exnref type

[Heejin Ahn via Phabricator via llvm-commits]

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

This adds missing utility methods and copy instruction handling for
`exnref` type and also adds tests.

`tee` instruction tests are missing because `isTee` is currently only
used in ExplicitLocals pass and testing that pass in mir requires
serialization of stackified registers in mir files, which is a bit
nontrivial because `MachineFunctionInfo` only has info of vreg numbers
(which are large integers) but not the mir's register numbers. But this
change is quite trivial anyway.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D64705

Files:
  llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
  llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.cpp
  llvm/test/CodeGen/WebAssembly/reg-argument.mir
  llvm/test/CodeGen/WebAssembly/reg-copy.mir

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