llvm/lld/test/COFF/opt.test

# RUN: yaml2obj %s -o %t.obj

# RUN: lld-link /out:%t.exe /entry:main %t.obj \
# RUN:   /verbose 2>&1 | FileCheck -check-prefix=REF %s

# /debug disables the /opt:ref default...
# RUN: lld-link /out:%t.exe /debug /entry:main %t.obj \
# RUN:   /verbose 2>&1 | FileCheck -check-prefix=NOREF %s

# ...unless /profile is passed as well.
# RUN: lld-link /out:%t.exe /profile /debug /entry:main %t.obj \
# RUN:   /verbose 2>&1 | FileCheck -check-prefix=REF %s

# RUN: lld-link /out:%t.exe /opt:ref /debug /entry:main %t.obj \
# RUN:   /verbose 2>&1 | FileCheck -check-prefix=REF %s

# RUN: lld-link /out:%t.exe /entry:main %t.obj \
# RUN:   /verbose /opt:noref /profile 2>&1 | FileCheck -check-prefix=NOREF %s

# REF:       Discarded unused
# NOREF-NOT: Discarded unused

--- !COFF
header:
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: []
sections:
  - Name:            '.text$mn'
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     B82A000000C3
  - Name:            '.text$mn'
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     B82A000000C3
symbols:
  - Name:            '.text$mn'
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          6
      NumberOfRelocations: 0
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          0
      Selection:       IMAGE_COMDAT_SELECT_ANY
  - Name:            '.text$mn'
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          6
      NumberOfRelocations: 0
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          0
      Selection:       IMAGE_COMDAT_SELECT_ANY
  - Name:            main
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            unused
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
...