test/tools/llvm-ifs/strip-needed.test

## Test --strip-needed flag

# RUN: llvm-ifs --input-format=IFS --strip-needed --output-ifs=- %s | FileCheck %s

# RUN: llvm-ifs --input-format=IFS --output-elf=- %s | \
# RUN: obj2yaml | FileCheck %s --check-prefix=FROM-ELF

# RUN: llvm-ifs --input-format=IFS --strip-needed --output-elf=- %s | \
# RUN: obj2yaml | FileCheck %s --check-prefix=FROM-ELF-STRIP-NEEDED

--- !ifs-v1
IfsVersion: 3.0
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
NeededLibs:
  - ''
Symbols: []
...

# CHECK:      --- !ifs-v1
# CHECK-NEXT: IfsVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols: []
# CHECK-NEXT: ...

# FROM-ELF: DT_NEEDED
# FROM-ELF-STRIP-NEEDED-NOT: DT_NEEDED