File: common-gc.s

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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t

# RUN: ld.lld %t -o %t2
# RUN: llvm-readobj --sections --symbols %t2 | FileCheck %s --check-prefix=NOGC

# NOGC:      Name: .bss
# NOGC-NEXT: Type:
# NOGC-NEXT: Flags [
# NOGC-NEXT:   SHF_ALLOC
# NOGC-NEXT:   SHF_WRITE
# NOGC-NEXT: ]
# NOGC-NEXT: Address:
# NOGC-NEXT: Offset:
# NOGC-NEXT: Size: 8

# NOGC: Name: bar
# NOGC: Name: foo

# RUN: ld.lld -gc-sections %t -o %t1
# RUN: llvm-readobj --sections --symbols %t1 | FileCheck %s --check-prefix=GC

# GC:      Name: .bss
# GC-NEXT: Type:
# GC-NEXT: Flags [
# GC-NEXT:   SHF_ALLOC
# GC-NEXT:   SHF_WRITE
# GC-NEXT: ]
# GC-NEXT: Address:
# GC-NEXT: Offset:
# GC-NEXT: Size: 4

# GC-NOT: Name: bar

.comm bar,4,4
.comm foo,4,4

.text
.globl _start
_start:
 .quad foo