[all-commits] [llvm/llvm-project] eaeb7d: ARM: make FastISel & GISel pass -1 to ADJCALLSTACK...

[Tim Northover via All-commits]

  Branch: refs/heads/release/13.x
  Home:   https://github.com/llvm/llvm-project
  Commit: eaeb7dcf32495155b5d430d2a650a211c9b230af
      https://github.com/llvm/llvm-project/commit/eaeb7dcf32495155b5d430d2a650a211c9b230af
  Author: Tim Northover <t.p.northover at gmail.com>
  Date:   2022-01-11 (Tue, 11 Jan 2022)

  Changed paths:
    M llvm/lib/Target/ARM/ARMCallLowering.cpp
    M llvm/lib/Target/ARM/ARMFastISel.cpp
    M llvm/test/CodeGen/ARM/GlobalISel/arm-call-lowering.ll
    M llvm/test/CodeGen/ARM/GlobalISel/arm-param-lowering.ll
    M llvm/test/CodeGen/ARM/GlobalISel/irtranslator-varargs-lowering.ll
    A llvm/test/CodeGen/ARM/fast-call-frame-restore.ll

  Log Message:
  -----------
  ARM: make FastISel & GISel pass -1 to ADJCALLSTACKUP to signal no callee pop.

The interface for these instructions changed with support for mandatory tail
calls, and now -1 indicates the CalleePopAmount argument is not valid.
Unfortunately I didn't realise FastISel or GISel did calls at the time so
didn't update them.

(cherry picked from commit 0b5b35fdbdbf029bb6915e183541556c4eeadd3f)