llvm-project/lld/test/COFF/icf-local.test

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# COMDAT sections with non-external linkage should not be merged by ICF.
# RUN: yaml2obj %s -o %t1.obj
# RUN: sed s/foo/main/ %s | yaml2obj > %t2.obj
# RUN: lld-link /out:%t.exe /entry:main /subsystem:console /verbose \
# RUN: %t1.obj %t2.obj > %t.log 2>&1
# RUN: FileCheck %s < %t.log
# CHECK-NOT: Removed bar
--- !COFF
header:
Machine: IMAGE_FILE_MACHINE_AMD64
Characteristics: []
sections:
- Name: .text
Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
Alignment: 16
SectionData: 488D0500000000C3
Relocations:
- VirtualAddress: 3
SymbolName: bar
Type: IMAGE_REL_AMD64_REL32
- Name: .rdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_READ ]
Alignment: 8
SectionData: 2A000000000000002B00000000000000
symbols:
- Name: .text
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 8
NumberOfRelocations: 1
NumberOfLinenumbers: 0
CheckSum: 1092178131
Number: 1
- Name: .rdata
Value: 0
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 16
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 1200668497
Number: 5
Selection: IMAGE_COMDAT_SELECT_ANY
- Name: foo
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_FUNCTION
StorageClass: IMAGE_SYM_CLASS_EXTERNAL
- Name: bar
Value: 0
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
...