[all-commits] [llvm/llvm-project] 1eb160: [ARM] Fix tail call validity checking for varargs ...

[Eli Friedman via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 1eb160fe8dc4c3359289853415730a73bfe4bb23
      https://github.com/llvm/llvm-project/commit/1eb160fe8dc4c3359289853415730a73bfe4bb23
  Author: Eli Friedman <efriedma at quicinc.com>
  Date:   2020-05-04 (Mon, 04 May 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    A llvm/test/CodeGen/ARM/tail-call-results.ll

  Log Message:
  -----------
  [ARM] Fix tail call validity checking for varargs calls.

If a varargs function is calling a non-varargs function, or vice versa,
make sure we use the correct "varargs" bit for each.

Fixes https://bugs.llvm.org/show_bug.cgi?id=45234

Differential Revision: https://reviews.llvm.org/D79199