[all-commits] [llvm/llvm-project] 9eb0df: [BOLT][DWARF] Fix handling of inlined subroutine w...

[Alexander Yermolovich via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9eb0df3aa98eeaf100f31eccf34963cdf1fbb8cd
      https://github.com/llvm/llvm-project/commit/9eb0df3aa98eeaf100f31eccf34963cdf1fbb8cd
  Author: Alexander Yermolovich <ayermolo at meta.com>
  Date:   2023-07-31 (Mon, 31 Jul 2023)

  Changed paths:
    M bolt/lib/Rewrite/DWARFRewriter.cpp
    A bolt/test/X86/Inputs/dwarf4-df-inlined-subroutine-lowpc-0-main.s
    A bolt/test/X86/Inputs/dwarf5-df-inlined-subroutine-gc-sections-range-helper.s
    A bolt/test/X86/Inputs/dwarf5-df-inlined-subroutine-gc-sections-range-main.s
    A bolt/test/X86/Inputs/dwarf5-df-inlined-subroutine-range-0-main.s
    A bolt/test/X86/dwarf4-df-inlined-subroutine-lowpc-0.test
    A bolt/test/X86/dwarf5-df-inlined-subroutine-gc-sections-range.test
    A bolt/test/X86/dwarf5-df-inlined-subroutine-range-0.test

  Log Message:
  -----------
  [BOLT][DWARF] Fix handling of inlined subroutine with no output PC

Clang can generate DW_TAG_inlined_subroutine with low_pc 0. With split dwarf
this led to range offset being a negative number.

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D156742