[PATCH] D99708: [X86] Enable compilation of user interrupt handlers.

[Wang Tianqing via Phabricator via cfe-commits]

tianqing created this revision.
tianqing added reviewers: pengfei, LuoYuanke, craig.topper.
Herald added a subscriber: hiraditya.
tianqing requested review of this revision.
Herald added projects: clang, LLVM.
Herald added subscribers: llvm-commits, cfe-commits.

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


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99708

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

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