[all-commits] [llvm/llvm-project] e8bce8: [X86] Enable compilation of user interrupt handlers.

[Pengfei Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e8bce83996313ed3f4f5fce43107530d49fc3b64
      https://github.com/llvm/llvm-project/commit/e8bce83996313ed3f4f5fce43107530d49fc3b64
  Author: Wang, Pengfei <pengfei.wang at intel.com>
  Date:   2021-04-23 (Fri, 23 Apr 2021)

  Changed paths:
    M clang/lib/Headers/uintrintrin.h
    M llvm/lib/Target/X86/X86ExpandPseudo.cpp
    A llvm/test/CodeGen/X86/x86-64-intrcc-uintr.ll

  Log Message:
  -----------
  [X86] Enable compilation of user interrupt handlers.

Add __uintr_frame structure and use UIRET instruction for functions with
x86 interrupt calling convention when UINTR is present.

Reviewed By: LuoYuanke

Differential Revision: https://reviews.llvm.org/D99708