[PATCH] D99579: [X86] add dwarf annotation for inline stack probe

[YangKeao via Phabricator via llvm-commits]

YangKeao created this revision.
Herald added subscribers: pengfei, hiraditya.
YangKeao requested review of this revision.
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While probing stack, the stack register is moved without dwarf
information, which could cause panic if unwind the backtrace.
This commit only add annotation for the inline stack probe case.
Dwarf information for the loop case should be done in another
patch and need further discussion.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99579

Files:
  llvm/lib/Target/X86/X86FrameLowering.cpp
  llvm/lib/Target/X86/X86FrameLowering.h
  llvm/test/CodeGen/X86/stack-clash-medium-natural-probes-mutliple-objects.ll
  llvm/test/CodeGen/X86/stack-clash-medium-natural-probes.ll
  llvm/test/CodeGen/X86/stack-clash-medium.ll
  llvm/test/CodeGen/X86/stack-clash-unknown-call.ll

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