# RUN: yaml2obj %s -o %t

# No symbol matches, because pattern is implicitly enveloped in '^$'
# RUN: llvm-objcopy --discard-all --regex -K 'ba' %t %t2
# RUN: llvm-readobj --symbols %t2 | FileCheck %s --check-prefix=REGEX1

# Symbol 'bar' matches
# RUN: llvm-objcopy --discard-all --regex -K 'ba.*' %t %t3
# RUN: llvm-readobj --symbols %t3 | FileCheck %s --check-prefix=REGEX2

# All symbols match
# RUN: llvm-objcopy --discard-all --regex -K '.*ba.*' %t %t4
# RUN: llvm-readobj --symbols %t4 | FileCheck %s --check-prefix=REGEX3

# All symbols match
# RUN: llvm-objcopy --discard-all --regex -K '^([a-z]+)*ba.*$' %t %t5
# RUN: cmp %t4 %t5
 
!ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000000010
    Size:            64
Symbols:
  - Name:     foobaz
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1000
    Size:     8
  - Name:     bar
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1008
    Size:     8
  - Name:     rebar
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1010
    Size:     8

#REGEX1:     Symbols [
#REGEX1-NOT:   Name: foobaz
#REGEX1-NOT:   Name: bar
#REGEX1-NOT:   Name: rebar
#REGEX1:     ]

#REGEX2:     Symbols [
#REGEX2-NOT:   Name: foobaz
#REGEX2:       Name: bar
#REGEX2-NOT:   Name: rebar
#REGEX2:     ]

#REGEX3: Symbols [
#REGEX3:   Name: foobaz
#REGEX3:   Name: bar
#REGEX3:   Name: rebar
#REGEX3: ]