[PATCH] D92058: [XCOFF][AIX] Alternative path in EHStreamer for platforms do not have uleb128 support

[Jason Liu via Phabricator via llvm-commits]

jasonliu created this revision.
jasonliu added reviewers: daltenty, DiggerLin, xingxue, hubert.reinterpretcast, sfertile.
Herald added subscribers: llvm-commits, pengfei, hiraditya, nemanjai.
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jasonliu requested review of this revision.

Not all system assembler supports `.uleb128 label2 - label1` form.
When the target do not support this form, we have to take alternative manual calculation to get the offsets from them.


https://reviews.llvm.org/D92058

Files:
  llvm/include/llvm/MC/MCAsmInfo.h
  llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp
  llvm/lib/MC/MCAsmInfo.cpp
  llvm/lib/MC/MCAsmInfoXCOFF.cpp
  llvm/test/CodeGen/PowerPC/aix-exception.ll
  llvm/test/CodeGen/X86/gnu-eh-alternative.ll

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