derek.holloway
7502bf64a4
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44 lines
1.4 KiB
ArmAsm
44 lines
1.4 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 -save-temp-labels %s -o %t.o
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# RUN: ld.lld --discard-locals %t.o -o %tlocal
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# RUN: llvm-readelf -s %tlocal | FileCheck --check-prefixes=DISCARD-LOCALS,DISCARD-LOCALS-NOGC %s
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## --gc-sections can discard symbols relative to GCed sections (including STT_SECTION).
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# RUN: ld.lld --discard-locals --gc-sections %t.o -o %tlocal.gc
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# RUN: llvm-readelf -s %tlocal.gc | FileCheck --check-prefix=DISCARD-LOCALS %s
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# RUN: ld.lld --discard-all %t.o -o %tall
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# RUN: llvm-readelf -s %tall | FileCheck --check-prefix=DISCARD-ALL %s
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# RUN: ld.lld --discard-all --gc-sections %t.o -o %tall.gc
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# RUN: llvm-readelf -s %tall.gc | FileCheck --check-prefix=DISCARD-ALL %s
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## --discard-locals removes local symbols which start with ".L"
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# DISCARD-LOCALS: 0: {{0+}} 0 NOTYPE LOCAL DEFAULT UND
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} used
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} unused
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# DISCARD-LOCALS-NOGC-NEXT: NOTYPE LOCAL DEFAULT {{.*}} unused_gc
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# DISCARD-LOCALS-NEXT: NOTYPE GLOBAL DEFAULT {{.*}} _start
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## --discard-all removes all regular local symbols.
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# DISCARD-ALL: 0: {{0+}} 0 NOTYPE LOCAL DEFAULT UND
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# DISCARD-ALL-NEXT: NOTYPE GLOBAL DEFAULT {{.*}} _start
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.globl _start
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_start:
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call text@plt
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jmp .Lused@plt
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call used@plt
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.section text,"ax"
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.Lunused:
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.Lused:
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unused:
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used:
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.section gc,"ax"
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.Lunused_gc:
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unused_gc:
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ret
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