forked from OSchip/llvm-project
63 lines
1.9 KiB
ArmAsm
63 lines
1.9 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
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## Discard an unused .gcc_except_table in a COMDAT group or having SHF_LINK_ORDER
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## if the associated text section is discarded.
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# RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov %t.o -o /dev/null | \
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# RUN: FileCheck %s --implicit-check-not=.gcc_except_table
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# CHECK: removing unused section {{.*}}.o:(.text._Z6comdatv)
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# CHECK-NEXT: removing unused section {{.*}}.o:(.text._Z9linkorderv)
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# CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z6comdatv)
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# CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z9linkorderv)
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## An unused non-group non-SHF_LINK_ORDER .gcc_except_table is not discarded.
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# RUN: ld.lld --gc-sections --print-gc-sections -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \
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# RUN: FileCheck /dev/null --implicit-check-not=.gcc_except_table
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## If the text sections are live, the .gcc_except_table sections are retained as
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## well because they are referenced by .eh_frame pieces.
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# RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \
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# RUN: FileCheck %s --check-prefix=KEEP
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# KEEP-NOT: .gcc_except_table
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.section .text._Z3foov,"ax",@progbits
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.globl _Z3foov
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_Z3foov:
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.cfi_startproc
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ret
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.cfi_lsda 0x1b,.Lexception0
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.cfi_endproc
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.section .text._Z6comdatv,"axG",@progbits,_Z6comdatv,comdat
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.globl _Z6comdatv
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_Z6comdatv:
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.cfi_startproc
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ret
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.cfi_lsda 0x1b,.Lexception1
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.cfi_endproc
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.section .text._Z9linkorderv,"ax",@progbits
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.globl _Z9linkorderv
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_Z9linkorderv:
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.cfi_startproc
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ret
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.cfi_lsda 0x1b,.Lexception2
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.cfi_endproc
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.section .gcc_except_table._Z3foov,"a",@progbits
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.Lexception0:
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.byte 255
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.section .gcc_except_table._Z6comdatv,"aG",@progbits,_Z6comdatv,comdat
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.Lexception1:
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.byte 255
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.section .gcc_except_table._Z9linkorderv,"ao",@progbits,_Z9linkorderv
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.Lexception2:
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.byte 255
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