[all-commits] [llvm/llvm-project] 8c8dbc: X86: pass swift_async context in R14 on Win64

[Saleem Abdulrasool via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c8dbc10825cf099607af3da58b839e10c68320f
      https://github.com/llvm/llvm-project/commit/8c8dbc10825cf099607af3da58b839e10c68320f
  Author: Saleem Abdulrasool <compnerd at compnerd.org>
  Date:   2021-06-14 (Mon, 14 Jun 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86CallingConv.td
    A llvm/test/CodeGen/X86/swift-async-reg-win64.ll

  Log Message:
  -----------
  X86: pass swift_async context in R14 on Win64

Pass swift_async context in a callee-saved register rather than as a
regular parameter.  This is similar to the Swift `self` and `error`
parameters.