[PATCH] D62877: [WebAssembly] Implement tail calls and unify tablegen call classes

[Thomas Lively via Phabricator via llvm-commits]

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

Implements direct and indirect tail calls enabled by the 'tail-call'
feature in both DAG ISel and FastISel. Updates existing call tests and
adds new tests including a binary encoding test.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D62877

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyCallIndirectFixup.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyISD.def
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td
  llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
  llvm/lib/Target/WebAssembly/WebAssemblyMemIntrinsicResults.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp
  llvm/test/CodeGen/WebAssembly/call.ll
  llvm/test/CodeGen/WebAssembly/tailcall.ll
  llvm/test/DebugInfo/WebAssembly/dbg-value-move-reg-stackify.mir
  llvm/test/MC/WebAssembly/tail-call-encodings.s

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