llvm-project

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# REQUIRES: x86
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 -emit-compact-unwind-non-canonical=true %t/eh-frame.s -o %t/eh-frame.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 -emit-compact-unwind-non-canonical=true %t/cu.s -o %t/cu.o
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# RUN: %lld -dylib %t/cu.o %t/eh-frame.o -o %t/out
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## Sanity check: we want our input to contain a section (and not symbol)
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## relocation for the personality reference.
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# RUN: llvm-readobj --relocations %t/cu.o | FileCheck %s --check-prefix=SECT-RELOC
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# SECT-RELOC:      Section __compact_unwind {
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# SECT-RELOC-NEXT:   __text
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# SECT-RELOC-NEXT:   __text
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# SECT-RELOC-NEXT: }
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## Verify that the personality referenced via a symbol reloc in eh-frame.s gets
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## dedup'ed with the personality referenced via a section reloc in cu.s.
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# RUN: llvm-objdump --macho --unwind-info %t/out | FileCheck %s
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# CHECK: Personality functions: (count = 1)
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#--- eh-frame.s
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_fun:
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  .cfi_startproc
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  .cfi_personality 155, _my_personality
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  ## cfi_escape cannot be encoded in compact unwind
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  .cfi_escape 0
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  ret
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  .cfi_endproc
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.subsections_via_symbols
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#--- cu.s
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.globl _my_personality
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_fun:
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  .cfi_startproc
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  .cfi_personality 155, _my_personality
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  .cfi_def_cfa_offset 16
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  ret
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  .cfi_endproc
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_my_personality:
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  nop
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.subsections_via_symbols
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