[all-commits] [llvm/llvm-project] cd953e: [JITLink][COFF] Don't dead strip seh frame of expo...

[Sunho Kim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cd953e4ffcfe63ce9133ff7037a2c54aeb9b7421
      https://github.com/llvm/llvm-project/commit/cd953e4ffcfe63ce9133ff7037a2c54aeb9b7421
  Author: Sunho Kim <ksunhokim123 at gmail.com>
  Date:   2022-07-26 (Tue, 26 Jul 2022)

  Changed paths:
    M llvm/lib/ExecutionEngine/JITLink/COFF_x86_64.cpp
    A llvm/lib/ExecutionEngine/JITLink/SEHFrameSupport.h
    A llvm/test/ExecutionEngine/JITLink/X86/COFF_pdata_no_strip.s
    A llvm/test/ExecutionEngine/JITLink/X86/COFF_pdata_strip.s

  Log Message:
  -----------
  [JITLink][COFF] Don't dead strip seh frame of exported function.

Adds keep-alive edges to pdata section to prevent dead strip of block when its parent function is alive.

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D129945