[PATCH] D43001: [CodeGen] Emit smaller exception tables for non-SJLJ mode

[Ryan Prichard via Phabricator via llvm-commits]

rprichard created this revision.
Herald added subscribers: llvm-commits, JDevlieghere, javed.absar, aprantl.
rprichard added a dependency: D42720: [CodeGen] Use assembler expressions to lay out the EH LSDA.

- Use uleb128 for code offsets in the LSDA call site table.
- Omit the TTBase offset if the type table is empty.

This change can reduce the size of the DWARF/Itanium LSDA by about half.


Repository:
  rL LLVM

https://reviews.llvm.org/D43001

Files:
  lib/CodeGen/AsmPrinter/EHStreamer.cpp
  test/CodeGen/ARM/dwarf-eh.ll
  test/CodeGen/ARM/ehabi-handlerdata-nounwind.ll
  test/CodeGen/ARM/ehabi-handlerdata.ll
  test/CodeGen/X86/eh-label.ll
  test/CodeGen/X86/eh-unknown.ll
  test/CodeGen/X86/patchpoint-invoke.ll
  test/CodeGen/X86/push-cfi-obj.ll
  test/CodeGen/X86/statepoint-invoke.ll
  test/CodeGen/XCore/exception.ll

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